diff options
1099 files changed, 14509 insertions, 7350 deletions
diff --git a/Documentation/ABI/obsolete/proc-pid-oom_adj b/Documentation/ABI/obsolete/proc-pid-oom_adj new file mode 100644 index 00000000000..cf63f264ce0 --- /dev/null +++ b/Documentation/ABI/obsolete/proc-pid-oom_adj @@ -0,0 +1,22 @@ +What: /proc/<pid>/oom_adj +When: August 2012 +Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's + badness heuristic used to determine which task to kill when the kernel + is out of memory. + + The badness heuristic has since been rewritten since the introduction of + this tunable such that its meaning is deprecated. The value was + implemented as a bitshift on a score generated by the badness() + function that did not have any precise units of measure. With the + rewrite, the score is given as a proportion of available memory to the + task allocating pages, so using a bitshift which grows the score + exponentially is, thus, impossible to tune with fine granularity. + + A much more powerful interface, /proc/<pid>/oom_score_adj, was + introduced with the oom killer rewrite that allows users to increase or + decrease the badness() score linearly. This interface will replace + /proc/<pid>/oom_adj. + + A warning will be emitted to the kernel log if an application uses this + deprecated interface. After it is printed once, future warnings will be + suppressed until the kernel is rebooted. diff --git a/Documentation/DocBook/uio-howto.tmpl b/Documentation/DocBook/uio-howto.tmpl index 4d4ce0e61e4..b4665b9c40b 100644 --- a/Documentation/DocBook/uio-howto.tmpl +++ b/Documentation/DocBook/uio-howto.tmpl @@ -16,7 +16,7 @@ </orgname> <address> - <email>hjk@linutronix.de</email> + <email>hjk@hansjkoch.de</email> </address> </affiliation> </author> @@ -114,7 +114,7 @@ GPL version 2. <para>If you know of any translations for this document, or you are interested in translating it, please email me -<email>hjk@linutronix.de</email>. +<email>hjk@hansjkoch.de</email>. </para> </sect1> @@ -171,7 +171,7 @@ interested in translating it, please email me <title>Feedback</title> <para>Find something wrong with this document? (Or perhaps something right?) I would love to hear from you. Please email me at - <email>hjk@linutronix.de</email>.</para> + <email>hjk@hansjkoch.de</email>.</para> </sect1> </chapter> diff --git a/Documentation/arm/OMAP/DSS b/Documentation/arm/OMAP/DSS index 0af0e9eed5d..888ae7b83ae 100644 --- a/Documentation/arm/OMAP/DSS +++ b/Documentation/arm/OMAP/DSS @@ -255,9 +255,10 @@ framebuffer parameters. Kernel boot arguments --------------------- -vram=<size> - - Amount of total VRAM to preallocate. For example, "10M". omapfb - allocates memory for framebuffers from VRAM. +vram=<size>[,<physaddr>] + - Amount of total VRAM to preallocate and optionally a physical start + memory address. For example, "10M". omapfb allocates memory for + framebuffers from VRAM. omapfb.mode=<display>:<mode>[,...] - Default video mode for specified displays. For example, diff --git a/Documentation/block/switching-sched.txt b/Documentation/block/switching-sched.txt index d5af3f63081..71cfbdc0f74 100644 --- a/Documentation/block/switching-sched.txt +++ b/Documentation/block/switching-sched.txt @@ -16,7 +16,7 @@ you can do so by typing: As of the Linux 2.6.10 kernel, it is now possible to change the IO scheduler for a given block device on the fly (thus making it possible, for instance, to set the CFQ scheduler for the system default, but -set a specific device to use the anticipatory or noop schedulers - which +set a specific device to use the deadline or noop schedulers - which can improve that device's throughput). To set a specific scheduler, simply do this: @@ -31,7 +31,7 @@ a "cat /sys/block/DEV/queue/scheduler" - the list of valid names will be displayed, with the currently selected scheduler in brackets: # cat /sys/block/hda/queue/scheduler -noop anticipatory deadline [cfq] -# echo anticipatory > /sys/block/hda/queue/scheduler +noop deadline [cfq] +# echo deadline > /sys/block/hda/queue/scheduler # cat /sys/block/hda/queue/scheduler -noop [anticipatory] deadline cfq +noop [deadline] cfq diff --git a/Documentation/development-process/2.Process b/Documentation/development-process/2.Process index 97726eba610..911a4518634 100644 --- a/Documentation/development-process/2.Process +++ b/Documentation/development-process/2.Process @@ -154,7 +154,7 @@ The stages that a patch goes through are, generally: inclusion, it should be accepted by a relevant subsystem maintainer - though this acceptance is not a guarantee that the patch will make it all the way to the mainline. The patch will show up in the maintainer's - subsystem tree and into the staging trees (described below). When the + subsystem tree and into the -next trees (described below). When the process works, this step leads to more extensive review of the patch and the discovery of any problems resulting from the integration of this patch with work being done by others. @@ -236,7 +236,7 @@ finding the right maintainer. Sending patches directly to Linus is not normally the right way to go. -2.4: STAGING TREES +2.4: NEXT TREES The chain of subsystem trees guides the flow of patches into the kernel, but it also raises an interesting question: what if somebody wants to look @@ -250,7 +250,7 @@ changes land in the mainline kernel. One could pull changes from all of the interesting subsystem trees, but that would be a big and error-prone job. -The answer comes in the form of staging trees, where subsystem trees are +The answer comes in the form of -next trees, where subsystem trees are collected for testing and review. The older of these trees, maintained by Andrew Morton, is called "-mm" (for memory management, which is how it got started). The -mm tree integrates patches from a long list of subsystem @@ -275,7 +275,7 @@ directory at: Use of the MMOTM tree is likely to be a frustrating experience, though; there is a definite chance that it will not even compile. -The other staging tree, started more recently, is linux-next, maintained by +The other -next tree, started more recently, is linux-next, maintained by Stephen Rothwell. The linux-next tree is, by design, a snapshot of what the mainline is expected to look like after the next merge window closes. Linux-next trees are announced on the linux-kernel and linux-next mailing @@ -303,12 +303,25 @@ volatility of linux-next tends to make it a difficult development target. See http://lwn.net/Articles/289013/ for more information on this topic, and stay tuned; much is still in flux where linux-next is involved. -Besides the mmotm and linux-next trees, the kernel source tree now contains -the drivers/staging/ directory and many sub-directories for drivers or -filesystems that are on their way to being added to the kernel tree -proper, but they remain in drivers/staging/ while they still need more -work. - +2.4.1: STAGING TREES + +The kernel source tree now contains the drivers/staging/ directory, where +many sub-directories for drivers or filesystems that are on their way to +being added to the kernel tree live. They remain in drivers/staging while +they still need more work; once complete, they can be moved into the +kernel proper. This is a way to keep track of drivers that aren't +up to Linux kernel coding or quality standards, but people may want to use +them and track development. + +Greg Kroah-Hartman currently (as of 2.6.36) maintains the staging tree. +Drivers that still need work are sent to him, with each driver having +its own subdirectory in drivers/staging/. Along with the driver source +files, a TODO file should be present in the directory as well. The TODO +file lists the pending work that the driver needs for acceptance into +the kernel proper, as well as a list of people that should be Cc'd for any +patches to the driver. Staging drivers that don't currently build should +have their config entries depend upon CONFIG_BROKEN. Once they can +be successfully built without outside patches, CONFIG_BROKEN can be removed. 2.5: TOOLS diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index d8f36f984fa..6c2f55e05f1 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -554,3 +554,13 @@ Why: This is a legacy interface which have been replaced by a more Who: NeilBrown <neilb@suse.de> ---------------------------- + +What: i2c_adapter.id +When: June 2011 +Why: This field is deprecated. I2C device drivers shouldn't change their + behavior based on the underlying I2C adapter. Instead, the I2C + adapter driver should instantiate the I2C devices and provide the + needed platform-specific information. +Who: Jean Delvare <khali@linux-fr.org> + +---------------------------- diff --git a/Documentation/filesystems/configfs/configfs_example_explicit.c b/Documentation/filesystems/configfs/configfs_example_explicit.c index d428cc9f07f..fd53869f563 100644 --- a/Documentation/filesystems/configfs/configfs_example_explicit.c +++ b/Documentation/filesystems/configfs/configfs_example_explicit.c @@ -89,7 +89,7 @@ static ssize_t childless_storeme_write(struct childless *childless, char *p = (char *) page; tmp = simple_strtoul(p, &p, 10); - if (!p || (*p && (*p != '\n'))) + if ((*p != '\0') && (*p != '\n')) return -EINVAL; if (tmp > INT_MAX) diff --git a/Documentation/filesystems/xfs-delayed-logging-design.txt b/Documentation/filesystems/xfs-delayed-logging-design.txt index 96d0df28bed..7445bf335da 100644 --- a/Documentation/filesystems/xfs-delayed-logging-design.txt +++ b/Documentation/filesystems/xfs-delayed-logging-design.txt @@ -794,17 +794,6 @@ designed. Roadmap: -2.6.37 Remove experimental tag from mount option - => should be roughly 6 months after initial merge - => enough time to: - => gain confidence and fix problems reported by early - adopters (a.k.a. guinea pigs) - => address worst performance regressions and undesired - behaviours - => start tuning/optimising code for parallelism - => start tuning/optimising algorithms consuming - excessive CPU time - 2.6.39 Switch default mount option to use delayed logging => should be roughly 12 months after initial merge => enough time to shake out remaining problems before next round of diff --git a/Documentation/gpio.txt b/Documentation/gpio.txt index 9633da01ff4..792faa3c06c 100644 --- a/Documentation/gpio.txt +++ b/Documentation/gpio.txt @@ -617,6 +617,16 @@ and have the following read/write attributes: is configured as an output, this value may be written; any nonzero value is treated as high. + If the pin can be configured as interrupt-generating interrupt + and if it has been configured to generate interrupts (see the + description of "edge"), you can poll(2) on that file and + poll(2) will return whenever the interrupt was triggered. If + you use poll(2), set the events POLLPRI and POLLERR. If you + use select(2), set the file descriptor in exceptfds. After + poll(2) returns, either lseek(2) to the beginning of the sysfs + file and read the new value or close the file and re-open it + to read the value. + "edge" ... reads as either "none", "rising", "falling", or "both". Write these strings to select the signal edge(s) that will make poll(2) on the "value" file return. diff --git a/Documentation/hwmon/lm93 b/Documentation/hwmon/lm93 index ac711f357fa..7a10616d0b4 100644 --- a/Documentation/hwmon/lm93 +++ b/Documentation/hwmon/lm93 @@ -11,7 +11,7 @@ Authors: Mark M. Hoffman <mhoffman@lightlink.com> Ported to 2.6 by Eric J. Bowersox <ericb@aspsys.com> Adapted to 2.6.20 by Carsten Emde <ce@osadl.org> - Modified for mainline integration by Hans J. Koch <hjk@linutronix.de> + Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de> Module Parameters ----------------- diff --git a/Documentation/hwmon/max6650 b/Documentation/hwmon/max6650 index 8be7beb9e3e..c565650fcfc 100644 --- a/Documentation/hwmon/max6650 +++ b/Documentation/hwmon/max6650 @@ -8,7 +8,7 @@ Supported chips: Datasheet: http://pdfserv.maxim-ic.com/en/ds/MAX6650-MAX6651.pdf Authors: - Hans J. Koch <hjk@linutronix.de> + Hans J. Koch <hjk@hansjkoch.de> John Morris <john.morris@spirentcom.com> Claus Gindhart <claus.gindhart@kontron.com> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index ed45e9802aa..92e83e53148 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -706,7 +706,7 @@ and is between 256 and 4096 characters. It is defined in the file arch/x86/kernel/cpu/cpufreq/elanfreq.c. elevator= [IOSCHED] - Format: {"anticipatory" | "cfq" | "deadline" | "noop"} + Format: {"cfq" | "deadline" | "noop"} See Documentation/block/as-iosched.txt and Documentation/block/deadline-iosched.txt for details. diff --git a/Documentation/leds-class.txt b/Documentation/leds-class.txt index 8fd5ca2ae32..58b266bd184 100644 --- a/Documentation/leds-class.txt +++ b/Documentation/leds-class.txt @@ -60,15 +60,18 @@ Hardware accelerated blink of LEDs Some LEDs can be programmed to blink without any CPU interaction. To support this feature, a LED driver can optionally implement the -blink_set() function (see <linux/leds.h>). If implemented, triggers can -attempt to use it before falling back to software timers. The blink_set() -function should return 0 if the blink setting is supported, or -EINVAL -otherwise, which means that LED blinking will be handled by software. - -The blink_set() function should choose a user friendly blinking -value if it is called with *delay_on==0 && *delay_off==0 parameters. In -this case the driver should give back the chosen value through delay_on -and delay_off parameters to the leds subsystem. +blink_set() function (see <linux/leds.h>). To set an LED to blinking, +however, it is better to use use the API function led_blink_set(), +as it will check and implement software fallback if necessary. + +To turn off blinking again, use the API function led_brightness_set() +as that will not just set the LED brightness but also stop any software +timers that may have been required for blinking. + +The blink_set() function should choose a user friendly blinking value +if it is called with *delay_on==0 && *delay_off==0 parameters. In this +case the driver should give back the chosen value through delay_on and +delay_off parameters to the leds subsystem. Setting the brightness to zero with brightness_set() callback function should completely turn off the LED and cancel the previously programmed diff --git a/Documentation/leds/leds-lp5521.txt b/Documentation/leds/leds-lp5521.txt new file mode 100644 index 00000000000..c4d8d151e0f --- /dev/null +++ b/Documentation/leds/leds-lp5521.txt @@ -0,0 +1,88 @@ +Kernel driver for lp5521 +======================== + +* National Semiconductor LP5521 led driver chip +* Datasheet: http://www.national.com/pf/LP/LP5521.html + +Authors: Mathias Nyman, Yuri Zaporozhets, Samu Onkalo +Contact: Samu Onkalo (samu.p.onkalo-at-nokia.com) + +Description +----------- + +LP5521 can drive up to 3 channels. Leds can be controlled directly via +the led class control interface. Channels have generic names: +lp5521:channelx, where x is 0 .. 2 + +All three channels can be also controlled using the engine micro programs. +More details of the instructions can be found from the public data sheet. + +Control interface for the engines: +x is 1 .. 3 +enginex_mode : disabled, load, run +enginex_load : store program (visible only in engine load mode) + +Example (start to blink the channel 2 led): +cd /sys/class/leds/lp5521:channel2/device +echo "load" > engine3_mode +echo "037f4d0003ff6000" > engine3_load +echo "run" > engine3_mode + +stop the engine: +echo "disabled" > engine3_mode + +sysfs contains a selftest entry. +The test communicates with the chip and checks that +the clock mode is automatically set to the requested one. + +Each channel has its own led current settings. +/sys/class/leds/lp5521:channel0/led_current - RW +/sys/class/leds/lp5521:channel0/max_current - RO +Format: 10x mA i.e 10 means 1.0 mA + +example platform data: + +Note: chan_nr can have values between 0 and 2. + +static struct lp5521_led_config lp5521_led_config[] = { + { + .chan_nr = 0, + .led_current = 50, + .max_current = 130, + }, { + .chan_nr = 1, + .led_current = 0, + .max_current = 130, + }, { + .chan_nr = 2, + .led_current = 0, + .max_current = 130, + } +}; + +static int lp5521_setup(void) +{ + /* setup HW resources */ +} + +static void lp5521_release(void) +{ + /* Release HW resources */ +} + +static void lp5521_enable(bool state) +{ + /* Control of chip enable signal */ +} + +static struct lp5521_platform_data lp5521_platform_data = { + .led_config = lp5521_led_config, + .num_channels = ARRAY_SIZE(lp5521_led_config), + .clock_mode = LP5521_CLOCK_EXT, + .setup_resources = lp5521_setup, + .release_resources = lp5521_release, + .enable = lp5521_enable, +}; + +If the current is set to 0 in the platform data, that channel is +disabled and it is not visible in the sysfs. diff --git a/Documentation/leds/leds-lp5523.txt b/Documentation/leds/leds-lp5523.txt new file mode 100644 index 00000000000..fad2feb8b7c --- /dev/null +++ b/Documentation/leds/leds-lp5523.txt @@ -0,0 +1,83 @@ +Kernel driver for lp5523 +======================== + +* National Semiconductor LP5523 led driver chip +* Datasheet: http://www.national.com/pf/LP/LP5523.html + +Authors: Mathias Nyman, Yuri Zaporozhets, Samu Onkalo +Contact: Samu Onkalo (samu.p.onkalo-at-nokia.com) + +Description +----------- +LP5523 can drive up to 9 channels. Leds can be controlled directly via +the led class control interface. Channels have generic names: +lp5523:channelx where x is 0...8 + +The chip provides 3 engines. Each engine can control channels without +interaction from the main CPU. Details of the micro engine code can be found +from the public data sheet. Leds can be muxed to different channels. + +Control interface for the engines: +x is 1 .. 3 +enginex_mode : disabled, load, run +enginex_load : microcode load (visible only in load mode) +enginex_leds : led mux control (visible only in load mode) + +cd /sys/class/leds/lp5523:channel2/device +echo "load" > engine3_mode +echo "9d80400004ff05ff437f0000" > engine3_load +echo "111111111" > engine3_leds +echo "run" > engine3_mode + +sysfs contains a selftest entry. It measures each channel +voltage level and checks if it looks reasonable. If the level is too high, +the led is missing; if the level is too low, there is a short circuit. + +Selftest uses always the current from the platform data. + +Each channel contains led current settings. +/sys/class/leds/lp5523:channel2/led_current - RW +/sys/class/leds/lp5523:channel2/max_current - RO +Format: 10x mA i.e 10 means 1.0 mA + +Example platform data: + +Note - chan_nr can have values between 0 and 8. + +static struct lp5523_led_config lp5523_led_config[] = { + { + .chan_nr = 0, + .led_current = 50, + .max_current = 130, + }, +... + }, { + .chan_nr = 8, + .led_current = 50, + .max_current = 130, + } +}; + +static int lp5523_setup(void) +{ + /* Setup HW resources */ +} + +static void lp5523_release(void) +{ + /* Release HW resources */ +} + +static void lp5523_enable(bool state) +{ + /* Control chip enable signal */ +} + +static struct lp5523_platform_data lp5523_platform_data = { + .led_config = lp5523_led_config, + .num_channels = ARRAY_SIZE(lp5523_led_config), + .clock_mode = LP5523_CLOCK_EXT, + .setup_resources = lp5523_setup, + .release_resources = lp5523_release, + .enable = lp5523_enable, +}; diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index c7165f4cb79..fe95105992c 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -20,6 +20,15 @@ ip_no_pmtu_disc - BOOLEAN min_pmtu - INTEGER default 562 - minimum discovered Path MTU +route/max_size - INTEGER + Maximum number of routes allowed in the kernel. Increase + this when using large numbers of interfaces and/or routes. + +neigh/default/gc_thresh3 - INTEGER + Maximum number of neighbor entries allowed. Increase this + when using large numbers of interfaces and when communicating + with large numbers of directly-connected peers. + mtu_expires - INTEGER Time, in seconds, that cached PMTU information is kept. diff --git a/Documentation/power/opp.txt b/Documentation/power/opp.txt index 44d87ad3cea..cd445582d1f 100644 --- a/Documentation/power/opp.txt +++ b/Documentation/power/opp.txt @@ -37,6 +37,9 @@ Typical usage of the OPP library is as follows: SoC framework -> modifies on required cases certain OPPs -> OPP layer -> queries to search/retrieve information -> +Architectures that provide a SoC framework for OPP should select ARCH_HAS_OPP +to make the OPP layer available. + OPP layer expects each domain to be represented by a unique device pointer. SoC framework registers a set of initial OPPs per device with the OPP layer. This list is expected to be an optimally small number typically around 5 per device. diff --git a/Documentation/rbtree.txt b/Documentation/rbtree.txt index 221f38be98f..19f8278c385 100644 --- a/Documentation/rbtree.txt +++ b/Documentation/rbtree.txt @@ -21,8 +21,8 @@ three rotations, respectively, to balance the tree), with slightly slower To quote Linux Weekly News: There are a number of red-black trees in use in the kernel. - The anticipatory, deadline, and CFQ I/O schedulers all employ - rbtrees to track requests; the packet CD/DVD driver does the same. + The deadline and CFQ I/O schedulers employ rbtrees to + track requests; the packet CD/DVD driver does the same. The high-resolution timer code uses an rbtree to organize outstanding timer requests. The ext3 filesystem tracks directory entries in a red-black tree. Virtual memory areas (VMAs) are tracked with red-black diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index 3894eaa2348..209e1584c3d 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -28,6 +28,7 @@ show up in /proc/sys/kernel: - core_uses_pid - ctrl-alt-del - dentry-state +- dmesg_restrict - domainname - hostname - hotplug @@ -213,6 +214,19 @@ to decide what to do with it. ============================================================== +dmesg_restrict: + +This toggle indicates whether unprivileged users are prevented from using +dmesg(8) to view messages from the kernel's log buffer. When +dmesg_restrict is set to (0) there are no restrictions. When +dmesg_restrict is set set to (1), users must have CAP_SYS_ADMIN to use +dmesg(8). + +The kernel config option CONFIG_SECURITY_DMESG_RESTRICT sets the default +value of dmesg_restrict. + +============================================================== + domainname & hostname: These files can be used to set the NIS/YP domainname and the diff --git a/MAINTAINERS b/MAINTAINERS index 0094224ca79..b49ba9a43bf 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -161,7 +161,7 @@ M: Greg Kroah-Hartman <gregkh@suse.de> L: linux-serial@vger.kernel.org W: http://serial.sourceforge.net S: Maintained -T: quilt kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git F: drivers/serial/8250* F: include/linux/serial_8250.h @@ -945,7 +945,7 @@ M: Magnus Damm <magnus.damm@gmail.com> L: linux-sh@vger.kernel.org W: http://oss.renesas.com Q: http://patchwork.kernel.org/project/linux-sh/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/genesis-2.6.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.git rmobile-latest S: Supported F: arch/arm/mach-shmobile/ F: drivers/sh/ @@ -1359,7 +1359,7 @@ F: include/net/bluetooth/ BONDING DRIVER M: Jay Vosburgh <fubar@us.ibm.com> -L: bonding-devel@lists.sourceforge.net +L: netdev@vger.kernel.org W: http://sourceforge.net/projects/bonding/ S: Supported F: drivers/net/bonding/ @@ -1829,6 +1829,13 @@ W: http://www.chelsio.com S: Supported F: drivers/net/cxgb4vf/ +STMMAC ETHERNET DRIVER +M: Giuseppe Cavallaro <peppe.cavallaro@st.com> +L: netdev@vger.kernel.org +W: http://www.stlinux.com +S: Supported +F: drivers/net/stmmac/ + CYBERPRO FB DRIVER M: Russell King <linux@arm.linux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -2008,6 +2015,7 @@ F: drivers/hwmon/dme1737.c DOCBOOK FOR DOCUMENTATION M: Randy Dunlap <rdunlap@xenotime.net> S: Maintained +F: scripts/kernel-doc DOCKING STATION DRIVER M: Shaohua Li <shaohua.li@intel.com> @@ -2018,6 +2026,7 @@ F: drivers/acpi/dock.c DOCUMENTATION M: Randy Dunlap <rdunlap@xenotime.net> L: linux-doc@vger.kernel.org +T: quilt oss.oracle.com/~rdunlap/kernel-doc-patches/current/ S: Maintained F: Documentation/ @@ -2435,6 +2444,7 @@ F: drivers/net/wan/sdla.c FRAMEBUFFER LAYER L: linux-fbdev@vger.kernel.org W: http://linux-fbdev.sourceforge.net/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6.git S: Orphan F: Documentation/fb/ F: drivers/video/fb* @@ -5676,7 +5686,7 @@ S: Maintained STAGING SUBSYSTEM M: Greg Kroah-Hartman <gregkh@suse.de> -T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-next-2.6.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6.git L: devel@driverdev.osuosl.org S: Maintained F: drivers/staging/ @@ -5705,7 +5715,7 @@ M: Paul Mundt <lethal@linux-sh.org> L: linux-sh@vger.kernel.org W: http://www.linux-sh.org Q: http://patchwork.kernel.org/project/linux-sh/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.git sh-latest S: Supported F: Documentation/sh/ F: arch/sh/ @@ -5910,7 +5920,7 @@ S: Maintained TTY LAYER M: Greg Kroah-Hartman <gregkh@suse.de> S: Maintained -T: quilt kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git F: drivers/char/tty_* F: drivers/serial/serial_core.c F: include/linux/serial_core.h @@ -6233,7 +6243,7 @@ USB SUBSYSTEM M: Greg Kroah-Hartman <gregkh@suse.de> L: linux-usb@vger.kernel.org W: http://www.linux-usb.org -T: quilt kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6.git S: Supported F: Documentation/usb/ F: drivers/net/usb/ @@ -6598,14 +6608,14 @@ F: drivers/platform/x86 XEN PCI SUBSYSTEM M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> -L: xen-devel@lists.xensource.com +L: xen-devel@lists.xensource.com (moderated for non-subscribers) S: Supported F: arch/x86/pci/*xen* F: drivers/pci/*xen* XEN SWIOTLB SUBSYSTEM M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> -L: xen-devel@lists.xensource.com +L: xen-devel@lists.xensource.com (moderated for non-subscribers) S: Supported F: arch/x86/xen/*swiotlb* F: drivers/xen/*swiotlb* @@ -6613,7 +6623,7 @@ F: drivers/xen/*swiotlb* XEN HYPERVISOR INTERFACE M: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> -L: xen-devel@lists.xen.org +L: xen-devel@lists.xensource.com (moderated for non-subscribers) L: virtualization@lists.osdl.org S: Supported F: arch/x86/xen/ @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 37 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc3 NAME = Flesh-Eating Bats with Fangs # *DOCUMENTATION* diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a19a5266d5f..db524e75c4a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -6,7 +6,7 @@ config ARM select HAVE_MEMBLOCK select RTC_LIB select SYS_SUPPORTS_APM_EMULATION - select GENERIC_ATOMIC64 if (!CPU_32v6K) + select GENERIC_ATOMIC64 if (!CPU_32v6K || !AEABI) select HAVE_OPROFILE if (HAVE_PERF_EVENTS) select HAVE_ARCH_KGDB select HAVE_KPROBES if (!XIP_KERNEL) @@ -646,7 +646,7 @@ config ARCH_S3C2410 select ARCH_HAS_CPUFREQ select HAVE_CLK select ARCH_USES_GETTIMEOFFSET - select HAVE_S3C2410_I2C + select HAVE_S3C2410_I2C if I2C help Samsung S3C2410X CPU based systems, such as the Simtec Electronics BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or @@ -676,8 +676,8 @@ config ARCH_S3C64XX select S3C_DEV_NAND select USB_ARCH_HAS_OHCI select SAMSUNG_GPIOLIB_4BIT - select HAVE_S3C2410_I2C - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C2410_I2C if I2C + select HAVE_S3C2410_WATCHDOG if WATCHDOG help Samsung S3C64XX series based systems @@ -686,10 +686,10 @@ config ARCH_S5P64X0 select CPU_V6 select GENERIC_GPIO select HAVE_CLK - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C2410_WATCHDOG if WATCHDOG select ARCH_USES_GETTIMEOFFSET - select HAVE_S3C2410_I2C - select HAVE_S3C_RTC + select HAVE_S3C2410_I2C if I2C + select HAVE_S3C_RTC if RTC_CLASS help Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440, SMDK6450. @@ -700,7 +700,7 @@ config ARCH_S5P6442 select GENERIC_GPIO select HAVE_CLK select ARCH_USES_GETTIMEOFFSET - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C2410_WATCHDOG if WATCHDOG help Samsung S5P6442 CPU based systems @@ -711,9 +711,9 @@ config ARCH_S5PC100 select CPU_V7 select ARM_L1_CACHE_SHIFT_6 select ARCH_USES_GETTIMEOFFSET - select HAVE_S3C2410_I2C - select HAVE_S3C_RTC - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C2410_I2C if I2C + select HAVE_S3C_RTC if RTC_CLASS + select HAVE_S3C2410_WATCHDOG if WATCHDOG help Samsung S5PC100 series based systems @@ -726,9 +726,9 @@ config ARCH_S5PV210 select ARM_L1_CACHE_SHIFT_6 select ARCH_HAS_CPUFREQ select ARCH_USES_GETTIMEOFFSET - select HAVE_S3C2410_I2C - select HAVE_S3C_RTC - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C2410_I2C if I2C + select HAVE_S3C_RTC if RTC_CLASS + select HAVE_S3C2410_WATCHDOG if WATCHDOG help Samsung S5PV210/S5PC110 series based systems @@ -739,9 +739,9 @@ config ARCH_S5PV310 select GENERIC_GPIO select HAVE_CLK select GENERIC_CLOCKEVENTS - select HAVE_S3C_RTC - select HAVE_S3C2410_I2C - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C_RTC if RTC_CLASS + select HAVE_S3C2410_I2C if I2C + select HAVE_S3C2410_WATCHDOG if WATCHDOG help Samsung S5PV310 series based systems diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index ada6359160e..772f95f1aec 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -251,15 +251,16 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base, writel(cpumask, base + GIC_DIST_TARGET + i * 4 / 4); /* - * Set priority on all interrupts. + * Set priority on all global interrupts. */ - for (i = 0; i < max_irq; i += 4) + for (i = 32; i < max_irq; i += 4) writel(0xa0a0a0a0, base + GIC_DIST_PRI + i * 4 / 4); /* - * Disable all interrupts. + * Disable all interrupts. Leave the PPI and SGIs alone + * as these enables are banked registers. */ - for (i = 0; i < max_irq; i += 32) + for (i = 32; i < max_irq; i += 32) writel(0xffffffff, base + GIC_DIST_ENABLE_CLEAR + i * 4 / 32); /* @@ -277,11 +278,30 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base, void __cpuinit gic_cpu_init(unsigned int gic_nr, void __iomem *base) { + void __iomem *dist_base; + int i; + if (gic_nr >= MAX_GIC_NR) BUG(); + dist_base = gic_data[gic_nr].dist_base; + BUG_ON(!dist_base); + gic_data[gic_nr].cpu_base = base; + /* + * Deal with the banked PPI and SGI interrupts - disable all + * PPI interrupts, ensure all SGI interrupts are enabled. + */ + writel(0xffff0000, dist_base + GIC_DIST_ENABLE_CLEAR); + writel(0x0000ffff, dist_base + GIC_DIST_ENABLE_SET); + + /* + * Set priority on PPI and SGI interrupts + */ + for (i = 0; i < 32; i += 4) + writel(0xa0a0a0a0, dist_base + GIC_DIST_PRI + i * 4 / 4); + writel(0xf0, base + GIC_CPU_PRIMASK); writel(1, base + GIC_CPU_CTRL); } diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h index 6700c7fc7eb..21fa272301f 100644 --- a/arch/arm/include/asm/hardware/it8152.h +++ b/arch/arm/include/asm/hardware/it8152.h @@ -75,7 +75,7 @@ extern unsigned long it8152_base_address; IT8152_PD_IRQ(1) USB (USBR) IT8152_PD_IRQ(0) Audio controller (ACR) */ -#define IT8152_IRQ(x) (IRQ_BOARD_END + (x)) +#define IT8152_IRQ(x) (IRQ_BOARD_START + (x)) /* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */ #define IT8152_LD_IRQ_COUNT 9 diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index 54593b0c241..21e3a4ab3b8 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -748,8 +748,7 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr, breakpoint_handler(addr, regs); break; case ARM_ENTRY_ASYNC_WATCHPOINT: - WARN_ON("Asynchronous watchpoint exception taken. " - "Debugging results may be unreliable"); + WARN(1, "Asynchronous watchpoint exception taken. Debugging results may be unreliable\n"); case ARM_ENTRY_SYNC_WATCHPOINT: watchpoint_handler(addr, regs); break; diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 49643b1467e..07a50357492 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -1749,7 +1749,7 @@ static inline int armv7_pmnc_has_overflowed(unsigned long pmnc) static inline int armv7_pmnc_counter_has_overflowed(unsigned long pmnc, enum armv7_counters counter) { - int ret; + int ret = 0; if (counter == ARMV7_CYCLE_COUNTER) ret = pmnc & ARMV7_FLAG_C; diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c index 20b7411e47f..c2e112e1a05 100644 --- a/arch/arm/kernel/stacktrace.c +++ b/arch/arm/kernel/stacktrace.c @@ -28,7 +28,7 @@ int notrace unwind_frame(struct stackframe *frame) /* only go to a higher address on the stack */ low = frame->sp; - high = ALIGN(low, THREAD_SIZE) + THREAD_SIZE; + high = ALIGN(low, THREAD_SIZE); /* check current frame pointer is within bounds */ if (fp < (low + 12) || fp + 4 >= high) diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index cda78d59aa3..446aee97436 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -53,10 +53,7 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long); void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) { #ifdef CONFIG_KALLSYMS - char sym1[KSYM_SYMBOL_LEN], sym2[KSYM_SYMBOL_LEN]; - sprint_symbol(sym1, where); - sprint_symbol(sym2, from); - printk("[<%08lx>] (%s) from [<%08lx>] (%s)\n", where, sym1, from, sym2); + printk("[<%08lx>] (%pS) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from); #else printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from); #endif diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c index 2a161765f6d..d2cb0b3c987 100644 --- a/arch/arm/kernel/unwind.c +++ b/arch/arm/kernel/unwind.c @@ -279,7 +279,7 @@ int unwind_frame(struct stackframe *frame) /* only go to a higher address on the stack */ low = frame->sp; - high = ALIGN(low, THREAD_SIZE) + THREAD_SIZE; + high = ALIGN(low, THREAD_SIZE); pr_debug("%s(pc = %08lx lr = %08lx sp = %08lx)\n", __func__, frame->pc, frame->lr, frame->sp); diff --git a/arch/arm/mach-ep93xx/include/mach/dma.h b/arch/arm/mach-ep93xx/include/mach/dma.h index 3a5961d3f3b..5e31b2b25da 100644 --- a/arch/arm/mach-ep93xx/include/mach/dma.h +++ b/arch/arm/mach-ep93xx/include/mach/dma.h @@ -1,5 +1,13 @@ -/* - * arch/arm/mach-ep93xx/include/mach/dma.h +/** + * DOC: EP93xx DMA M2P memory to peripheral and peripheral to memory engine + * + * The EP93xx DMA M2P subsystem handles DMA transfers between memory and + * peripherals. DMA M2P channels are available for audio, UARTs and IrDA. + * See chapter 10 of the EP93xx users guide for full details on the DMA M2P + * engine. + * + * See sound/soc/ep93xx/ep93xx-pcm.c for an example use of the DMA M2P code. + * */ #ifndef __ASM_ARCH_DMA_H @@ -8,12 +16,34 @@ #include <linux/list.h> #include <linux/types.h> +/** + * struct ep93xx_dma_buffer - Information about a buffer to be transferred + * using the DMA M2P engine + * + * @list: Entry in DMA buffer list + * @bus_addr: Physical address of the buffer + * @size: Size of the buffer in bytes + */ struct ep93xx_dma_buffer { struct list_head list; u32 bus_addr; u16 size; }; +/** + * struct ep93xx_dma_m2p_client - Information about a DMA M2P client + * + * @name: Unique name for this client + * @flags: Client flags + * @cookie: User data to pass to callback functions + * @buffer_started: Non NULL function to call when a transfer is started. + * The arguments are the user data cookie and the DMA + * buffer which is starting. + * @buffer_finished: Non NULL function to call when a transfer is completed. + * The arguments are the user data cookie, the DMA buffer + * which has completed, and a boolean flag indicating if + * the transfer had an error. + */ struct ep93xx_dma_m2p_client { char *name; u8 flags; @@ -24,10 +54,11 @@ struct ep93xx_dma_m2p_client { struct ep93xx_dma_buffer *buf, int bytes, int error); - /* Internal to the DMA code. */ + /* private: Internal use only */ void *channel; }; +/* DMA M2P ports */ #define EP93XX_DMA_M2P_PORT_I2S1 0x00 #define EP93XX_DMA_M2P_PORT_I2S2 0x01 #define EP93XX_DMA_M2P_PORT_AAC1 0x02 @@ -39,18 +70,80 @@ struct ep93xx_dma_m2p_client { #define EP93XX_DMA_M2P_PORT_UART3 0x08 #define EP93XX_DMA_M2P_PORT_IRDA 0x09 #define EP93XX_DMA_M2P_PORT_MASK 0x0f -#define EP93XX_DMA_M2P_TX 0x00 -#define EP93XX_DMA_M2P_RX 0x10 -#define EP93XX_DMA_M2P_ABORT_ON_ERROR 0x20 -#define EP93XX_DMA_M2P_IGNORE_ERROR 0x40 -#define EP93XX_DMA_M2P_ERROR_MASK 0x60 -int ep93xx_dma_m2p_client_register(struct ep93xx_dma_m2p_client *m2p); +/* DMA M2P client flags */ +#define EP93XX_DMA_M2P_TX 0x00 /* Memory to peripheral */ +#define EP93XX_DMA_M2P_RX 0x10 /* Peripheral to memory */ + +/* + * DMA M2P client error handling flags. See the EP93xx users guide + * documentation on the DMA M2P CONTROL register for more details + */ +#define EP93XX_DMA_M2P_ABORT_ON_ERROR 0x20 /* Abort on peripheral error */ +#define EP93XX_DMA_M2P_IGNORE_ERROR 0x40 /* Ignore peripheral errors */ +#define EP93XX_DMA_M2P_ERROR_MASK 0x60 /* Mask of error bits */ + +/** + * ep93xx_dma_m2p_client_register - Register a client with the DMA M2P + * subsystem + * + * @m2p: Client information to register + * returns 0 on success + * + * The DMA M2P subsystem allocates a channel and an interrupt line for the DMA + * client + */ +int ep93xx_dma_m2p_client_register(struct ep93xx_dma_m2p_client *m2p); + +/** + * ep93xx_dma_m2p_client_unregister - Unregister a client from the DMA M2P + * subsystem + * + * @m2p: Client to unregister + * + * Any transfers currently in progress will be completed in hardware, but + * ignored in software. + */ void ep93xx_dma_m2p_client_unregister(struct ep93xx_dma_m2p_client *m2p); + +/** + * ep93xx_dma_m2p_submit - Submit a DMA M2P transfer + * + * @m2p: DMA Client to submit the transfer on + * @buf: DMA Buffer to submit + * + * If the current or next transfer positions are free on the M2P client then + * the transfer is started immediately. If not, the transfer is added to the + * list of pending transfers. This function must not be called from the + * buffer_finished callback for an M2P channel. + * + */ void ep93xx_dma_m2p_submit(struct ep93xx_dma_m2p_client *m2p, struct ep93xx_dma_buffer *buf); + +/** + * ep93xx_dma_m2p_submit_recursive - Put a DMA transfer on the pending list + * for an M2P channel + * + * @m2p: DMA Client to submit the transfer on + * @buf: DMA Buffer to submit + * + * This function must only be called from the buffer_finished callback for an + * M2P channel. It is commonly used to add the next transfer in a chained list + * of DMA transfers. + */ void ep93xx_dma_m2p_submit_recursive(struct ep93xx_dma_m2p_client *m2p, struct ep93xx_dma_buffer *buf); + +/** + * ep93xx_dma_m2p_flush - Flush all pending transfers on a DMA M2P client + * + * @m2p: DMA client to flush transfers on + * + * Any transfers currently in progress will be completed in hardware, but + * ignored in software. + * + */ void ep93xx_dma_m2p_flush(struct ep93xx_dma_m2p_client *m2p); #endif /* __ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 51ff23b72d3..3688123b5ad 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -854,10 +854,9 @@ int __init kirkwood_find_tclk(void) kirkwood_pcie_id(&dev, &rev); - if ((dev == MV88F6281_DEV_ID && (rev == MV88F6281_REV_A0 || - rev == MV88F6281_REV_A1)) || - (dev == MV88F6282_DEV_ID)) - return 200000000; + if (dev == MV88F6281_DEV_ID || dev == MV88F6282_DEV_ID) + if (((readl(SAMPLE_AT_RESET) >> 21) & 1) == 0) + return 200000000; return 166666667; } diff --git a/arch/arm/mach-kirkwood/d2net_v2-setup.c b/arch/arm/mach-kirkwood/d2net_v2-setup.c index 4aa86e4a152..a31c9499ab3 100644 --- a/arch/arm/mach-kirkwood/d2net_v2-setup.c +++ b/arch/arm/mach-kirkwood/d2net_v2-setup.c @@ -225,5 +225,5 @@ MACHINE_START(D2NET_V2, "LaCie d2 Network v2") .init_machine = d2net_v2_init, .map_io = kirkwood_map_io, .init_irq = kirkwood_init_irq, - .timer = &lacie_v2_timer, + .timer = &kirkwood_timer, MACHINE_END diff --git a/arch/arm/mach-kirkwood/lacie_v2-common.c b/arch/arm/mach-kirkwood/lacie_v2-common.c index d3ea1b6c8a0..285edab776e 100644 --- a/arch/arm/mach-kirkwood/lacie_v2-common.c +++ b/arch/arm/mach-kirkwood/lacie_v2-common.c @@ -111,17 +111,3 @@ void __init lacie_v2_hdd_power_init(int hdd_num) pr_err("Failed to power up HDD%d\n", i + 1); } } - -/***************************************************************************** - * Timer - ****************************************************************************/ - -static void lacie_v2_timer_init(void) -{ - kirkwood_tclk = 166666667; - orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); -} - -struct sys_timer lacie_v2_timer = { - .init = lacie_v2_timer_init, -}; diff --git a/arch/arm/mach-kirkwood/lacie_v2-common.h b/arch/arm/mach-kirkwood/lacie_v2-common.h index af521315b87..fc64f578536 100644 --- a/arch/arm/mach-kirkwood/lacie_v2-common.h +++ b/arch/arm/mach-kirkwood/lacie_v2-common.h @@ -13,6 +13,4 @@ void lacie_v2_register_flash(void); void lacie_v2_register_i2c_devices(void); void lacie_v2_hdd_power_init(int hdd_num); -extern struct sys_timer lacie_v2_timer; - #endif diff --git a/arch/arm/mach-kirkwood/mpp.c b/arch/arm/mach-kirkwood/mpp.c index 065187d177c..27901f702fe 100644 --- a/arch/arm/mach-kirkwood/mpp.c +++ b/arch/arm/mach-kirkwood/mpp.c @@ -59,7 +59,7 @@ void __init kirkwood_mpp_conf(unsigned int *mpp_list) } printk("\n"); - while (*mpp_list) { + for ( ; *mpp_list; mpp_list++) { unsigned int num = MPP_NUM(*mpp_list); unsigned int sel = MPP_SEL(*mpp_list); int shift, gpio_mode; @@ -88,8 +88,6 @@ void __init kirkwood_mpp_conf(unsigned int *mpp_list) if (sel != 0) gpio_mode = 0; orion_gpio_set_valid(num, gpio_mode); - - mpp_list++; } printk(KERN_DEBUG " final MPP regs:"); diff --git a/arch/arm/mach-kirkwood/netspace_v2-setup.c b/arch/arm/mach-kirkwood/netspace_v2-setup.c index 5ea66f1f417..65ee21fd2f3 100644 --- a/arch/arm/mach-kirkwood/netspace_v2-setup.c +++ b/arch/arm/mach-kirkwood/netspace_v2-setup.c @@ -262,7 +262,7 @@ MACHINE_START(NETSPACE_V2, "LaCie Network Space v2") .init_machine = netspace_v2_init, .map_io = kirkwood_map_io, .init_irq = kirkwood_init_irq, - .timer = &lacie_v2_timer, + .timer = &kirkwood_timer, MACHINE_END #endif @@ -272,7 +272,7 @@ MACHINE_START(INETSPACE_V2, "LaCie Internet Space v2") .init_machine = netspace_v2_init, .map_io = kirkwood_map_io, .init_irq = kirkwood_init_irq, - .timer = &lacie_v2_timer, + .timer = &kirkwood_timer, MACHINE_END #endif @@ -282,6 +282,6 @@ MACHINE_START(NETSPACE_MAX_V2, "LaCie Network Space Max v2") .init_machine = netspace_v2_init, .map_io = kirkwood_map_io, .init_irq = kirkwood_init_irq, - .timer = &lacie_v2_timer, + .timer = &kirkwood_timer, MACHINE_END #endif diff --git a/arch/arm/mach-kirkwood/netxbig_v2-setup.c b/arch/arm/mach-kirkwood/netxbig_v2-setup.c index a1b45d501ae..93afd3c8bfd 100644 --- a/arch/arm/mach-kirkwood/netxbig_v2-setup.c +++ b/arch/arm/mach-kirkwood/netxbig_v2-setup.c @@ -403,7 +403,7 @@ MACHINE_START(NET2BIG_V2, "LaCie 2Big Network v2") .init_machine = netxbig_v2_init, .map_io = kirkwood_map_io, .init_irq = kirkwood_init_irq, - .timer = &lacie_v2_timer, + .timer = &kirkwood_timer, MACHINE_END #endif @@ -413,6 +413,6 @@ MACHINE_START(NET5BIG_V2, "LaCie 5Big Network v2") .init_machine = netxbig_v2_init, .map_io = kirkwood_map_io, .init_irq = kirkwood_init_irq, - .timer = &lacie_v2_timer, + .timer = &kirkwood_timer, MACHINE_END #endif diff --git a/arch/arm/mach-kirkwood/ts41x-setup.c b/arch/arm/mach-kirkwood/ts41x-setup.c index 8be09a0ce4a..3587a281d99 100644 --- a/arch/arm/mach-kirkwood/ts41x-setup.c +++ b/arch/arm/mach-kirkwood/ts41x-setup.c @@ -27,6 +27,10 @@ #include "mpp.h" #include "tsx1x-common.h" +/* for the PCIe reset workaround */ +#include <plat/pcie.h> + + #define QNAP_TS41X_JUMPER_JP1 45 static struct i2c_board_info __initdata qnap_ts41x_i2c_rtc = { @@ -140,8 +144,16 @@ static void __init qnap_ts41x_init(void) static int __init ts41x_pci_init(void) { - if (machine_is_ts41x()) + if (machine_is_ts41x()) { + /* + * Without this explicit reset, the PCIe SATA controller + * (Marvell 88sx7042/sata_mv) is known to stop working + * after a few minutes. + */ + orion_pcie_reset((void __iomem *)PCIE_VIRT_BASE); + kirkwood_pcie_init(KW_PCIE0); + } return 0; } diff --git a/arch/arm/mach-mmp/include/mach/cputype.h b/arch/arm/mach-mmp/include/mach/cputype.h index f43a68b213f..8a3b56dfd35 100644 --- a/arch/arm/mach-mmp/include/mach/cputype.h +++ b/arch/arm/mach-mmp/include/mach/cputype.h @@ -46,7 +46,8 @@ static inline int cpu_is_pxa910(void) #ifdef CONFIG_CPU_MMP2 static inline int cpu_is_mmp2(void) { - return (((cpu_readid_id() >> 8) & 0xff) == 0x58); + return (((read_cpuid_id() >> 8) & 0xff) == 0x58); +} #else #define cpu_is_mmp2() (0) #endif diff --git a/arch/arm/mach-mv78xx0/mpp.c b/arch/arm/mach-mv78xx0/mpp.c index 354ac514eb8..84db2dfc475 100644 --- a/arch/arm/mach-mv78xx0/mpp.c +++ b/arch/arm/mach-mv78xx0/mpp.c @@ -54,7 +54,7 @@ void __init mv78xx0_mpp_conf(unsigned int *mpp_list) } printk("\n"); - while (*mpp_list) { + for ( ; *mpp_list; mpp_list++) { unsigned int num = MPP_NUM(*mpp_list); unsigned int sel = MPP_SEL(*mpp_list); int shift, gpio_mode; @@ -83,8 +83,6 @@ void __init mv78xx0_mpp_conf(unsigned int *mpp_list) if (sel != 0) gpio_mode = 0; orion_gpio_set_valid(num, gpio_mode); - - mpp_list++; } printk(KERN_DEBUG " final MPP regs:"); diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c index ea0d80a89da..e7f9ee63dce 100644 --- a/arch/arm/mach-omap1/devices.c +++ b/arch/arm/mach-omap1/devices.c @@ -321,10 +321,9 @@ static struct platform_device omap_wdt_device = { static int __init omap_init_wdt(void) { if (!cpu_is_omap16xx()) - return; + return -ENODEV; - platform_device_register(&omap_wdt_device); - return 0; + return platform_device_register(&omap_wdt_device); } subsys_initcall(omap_init_wdt); #endif diff --git a/arch/arm/mach-omap1/include/mach/camera.h b/arch/arm/mach-omap1/include/mach/camera.h index fd54b452eb2..847d00f0bb0 100644 --- a/arch/arm/mach-omap1/include/mach/camera.h +++ b/arch/arm/mach-omap1/include/mach/camera.h @@ -1,6 +1,8 @@ #ifndef __ASM_ARCH_CAMERA_H_ #define __ASM_ARCH_CAMERA_H_ +#include <media/omap1_camera.h> + void omap1_camera_init(void *); static inline void omap1_set_camera_info(struct omap1_cam_platform_data *info) diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index 067f4379c87..53ac762518b 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -242,9 +242,6 @@ static int devkit8000_twl_gpio_setup(struct device *dev, mmc[0].gpio_cd = gpio + 0; omap2_hsmmc_init(mmc); - /* link regulators to MMC adapters */ - devkit8000_vmmc1_supply.dev = mmc[0].dev; - /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; diff --git a/arch/arm/mach-orion5x/mpp.c b/arch/arm/mach-orion5x/mpp.c index bc4c3b9aaf8..db485d3b814 100644 --- a/arch/arm/mach-orion5x/mpp.c +++ b/arch/arm/mach-orion5x/mpp.c @@ -127,7 +127,7 @@ void __init orion5x_mpp_conf(struct orion5x_mpp_mode *mode) /* Initialize gpiolib. */ orion_gpio_init(); - while (mode->mpp >= 0) { + for ( ; mode->mpp >= 0; mode++) { u32 *reg; int num_type; int shift; @@ -160,8 +160,6 @@ void __init orion5x_mpp_conf(struct orion5x_mpp_mode *mode) orion_gpio_set_unused(mode->mpp); orion_gpio_set_valid(mode->mpp, !!(mode->type == MPP_GPIO)); - - mode++; } writel(mpp_0_7_ctrl, MPP_0_7_CTRL); diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c index 16f1bd5324b..c1c1cd04bdd 100644 --- a/arch/arm/mach-orion5x/ts78xx-setup.c +++ b/arch/arm/mach-orion5x/ts78xx-setup.c @@ -239,7 +239,7 @@ static struct platform_nand_data ts78xx_ts_nand_data = { static struct resource ts78xx_ts_nand_resources = { .start = TS_NAND_DATA, .end = TS_NAND_DATA + 4, - .flags = IORESOURCE_IO, + .flags = IORESOURCE_MEM, }; static struct platform_device ts78xx_ts_nand_device = { diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c index ac5598ce972..d34b99febeb 100644 --- a/arch/arm/mach-pxa/cm-x2xx.c +++ b/arch/arm/mach-pxa/cm-x2xx.c @@ -476,8 +476,6 @@ static void __init cmx2xx_init(void) static void __init cmx2xx_init_irq(void) { - pxa27x_init_irq(); - if (cpu_is_pxa25x()) { pxa25x_init_irq(); cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ); diff --git a/arch/arm/mach-pxa/saar.c b/arch/arm/mach-pxa/saar.c index 4b521e045d7..ffa50e633ee 100644 --- a/arch/arm/mach-pxa/saar.c +++ b/arch/arm/mach-pxa/saar.c @@ -116,7 +116,7 @@ static struct platform_device smc91x_device = { }, }; -#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULE) +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) static uint16_t lcd_power_on[] = { /* single frame */ SMART_CMD_NOOP, diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig index 1ca7bdc6485..579d2f0f4dd 100644 --- a/arch/arm/mach-s3c64xx/Kconfig +++ b/arch/arm/mach-s3c64xx/Kconfig @@ -143,7 +143,7 @@ config MACH_SMDK6410 select S3C_DEV_USB_HSOTG select S3C_DEV_WDT select SAMSUNG_DEV_KEYPAD - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C2410_WATCHDOG if WATCHDOG select S3C64XX_SETUP_SDHCI select S3C64XX_SETUP_I2C1 select S3C64XX_SETUP_IDE diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 54b479c35ee..51dcd59eda6 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -116,4 +116,6 @@ endmenu config SH_CLK_CPG bool +source "drivers/sh/Kconfig" + endif diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 46ca4d4abf9..d3260542b94 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -163,11 +163,13 @@ static struct mtd_partition nor_flash_partitions[] = { .name = "loader", .offset = 0x00000000, .size = 512 * 1024, + .mask_flags = MTD_WRITEABLE, }, { .name = "bootenv", .offset = MTDPART_OFS_APPEND, .size = 512 * 1024, + .mask_flags = MTD_WRITEABLE, }, { .name = "kernel_ro", @@ -565,12 +567,54 @@ static struct platform_device *qhd_devices[] __initdata = { /* FSI */ #define IRQ_FSI evt2irq(0x1840) + +static int fsi_set_rate(int is_porta, int rate) +{ + struct clk *fsib_clk; + struct clk *fdiv_clk = &sh7372_fsidivb_clk; + int ret; + + /* set_rate is not needed if port A */ + if (is_porta) + return 0; + + fsib_clk = clk_get(NULL, "fsib_clk"); + if (IS_ERR(fsib_clk)) + return -EINVAL; + + switch (rate) { + case 44100: + clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 11283000)); + ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64; + break; + case 48000: + clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 85428000)); + clk_set_rate(fdiv_clk, clk_round_rate(fdiv_clk, 12204000)); + ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64; + break; + default: + pr_err("unsupported rate in FSI2 port B\n"); + ret = -EINVAL; + break; + } + + clk_put(fsib_clk); + + return ret; +} + static struct sh_fsi_platform_info fsi_info = { .porta_flags = SH_FSI_BRS_INV | SH_FSI_OUT_SLAVE_MODE | SH_FSI_IN_SLAVE_MODE | SH_FSI_OFMT(PCM) | SH_FSI_IFMT(PCM), + + .portb_flags = SH_FSI_BRS_INV | + SH_FSI_BRM_INV | + SH_FSI_LRS_INV | + SH_FSI_OFMT(SPDIF), + .set_rate = fsi_set_rate, }; static struct resource fsi_resources[] = { @@ -634,6 +678,7 @@ static struct platform_device lcdc1_device = { static struct sh_mobile_hdmi_info hdmi_info = { .lcd_chan = &sh_mobile_lcdc1_info.ch[0], .lcd_dev = &lcdc1_device.dev, + .flags = HDMI_SND_SRC_SPDIF, }; static struct resource hdmi_resources[] = { @@ -992,6 +1037,7 @@ static void __init ap4evb_map_io(void) #define GPIO_PORT9CR 0xE6051009 #define GPIO_PORT10CR 0xE605100A +#define USCCR1 0xE6058144 static void __init ap4evb_init(void) { u32 srcr4; @@ -1062,7 +1108,7 @@ static void __init ap4evb_init(void) /* setup USB phy */ __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */ - /* enable FSI2 */ + /* enable FSI2 port A (ak4643) */ gpio_request(GPIO_FN_FSIAIBT, NULL); gpio_request(GPIO_FN_FSIAILR, NULL); gpio_request(GPIO_FN_FSIAISLD, NULL); @@ -1079,6 +1125,10 @@ static void __init ap4evb_init(void) gpio_request(GPIO_PORT41, NULL); gpio_direction_input(GPIO_PORT41); + /* setup FSI2 port B (HDMI) */ + gpio_request(GPIO_FN_FSIBCK, NULL); + __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */ + /* set SPU2 clock to 119.6 MHz */ clk = clk_get(NULL, "spu_clk"); if (!IS_ERR(clk)) { diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index 8565aefa21f..7db31e6c6bf 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -50,6 +50,9 @@ #define SMSTPCR3 0xe615013c #define SMSTPCR4 0xe6150140 +#define FSIDIVA 0xFE1F8000 +#define FSIDIVB 0xFE1F8008 + /* Platforms must set frequency on their DV_CLKI pin */ struct clk sh7372_dv_clki_clk = { }; @@ -288,6 +291,7 @@ struct clk sh7372_pllc2_clk = { .ops = &pllc2_clk_ops, .parent = &extal1_div2_clk, .freq_table = pllc2_freq_table, + .nr_freqs = ARRAY_SIZE(pllc2_freq_table) - 1, .parent_table = pllc2_parent, .parent_num = ARRAY_SIZE(pllc2_parent), }; @@ -417,6 +421,101 @@ static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = { fsibckcr_parent, ARRAY_SIZE(fsibckcr_parent), 6, 2), }; +/* FSI DIV */ +static unsigned long fsidiv_recalc(struct clk *clk) +{ + unsigned long value; + + value = __raw_readl(clk->mapping->base); + + if ((value & 0x3) != 0x3) + return 0; + + value >>= 16; + if (value < 2) + return 0; + + return clk->parent->rate / value; +} + +static long fsidiv_round_rate(struct clk *clk, unsigned long rate) +{ + return clk_rate_div_range_round(clk, 2, 0xffff, rate); +} + +static void fsidiv_disable(struct clk *clk) +{ + __raw_writel(0, clk->mapping->base); +} + +static int fsidiv_enable(struct clk *clk) +{ + unsigned long value; + + value = __raw_readl(clk->mapping->base) >> 16; + if (value < 2) { + fsidiv_disable(clk); + return -ENOENT; + } + + __raw_writel((value << 16) | 0x3, clk->mapping->base); + + return 0; +} + +static int fsidiv_set_rate(struct clk *clk, + unsigned long rate, int algo_id) +{ + int idx; + + if (clk->parent->rate == rate) { + fsidiv_disable(clk); + return 0; + } + + idx = (clk->parent->rate / rate) & 0xffff; + if (idx < 2) + return -ENOENT; + + __raw_writel(idx << 16, clk->mapping->base); + return fsidiv_enable(clk); +} + +static struct clk_ops fsidiv_clk_ops = { + .recalc = fsidiv_recalc, + .round_rate = fsidiv_round_rate, + .set_rate = fsidiv_set_rate, + .enable = fsidiv_enable, + .disable = fsidiv_disable, +}; + +static struct clk_mapping sh7372_fsidiva_clk_mapping = { + .phys = FSIDIVA, + .len = 8, +}; + +struct clk sh7372_fsidiva_clk = { + .ops = &fsidiv_clk_ops, + .parent = &div6_reparent_clks[DIV6_FSIA], /* late install */ + .mapping = &sh7372_fsidiva_clk_mapping, +}; + +static struct clk_mapping sh7372_fsidivb_clk_mapping = { + .phys = FSIDIVB, + .len = 8, +}; + +struct clk sh7372_fsidivb_clk = { + .ops = &fsidiv_clk_ops, + .parent = &div6_reparent_clks[DIV6_FSIB], /* late install */ + .mapping = &sh7372_fsidivb_clk_mapping, +}; + +static struct clk *late_main_clks[] = { + &sh7372_fsidiva_clk, + &sh7372_fsidivb_clk, +}; + enum { MSTP001, MSTP131, MSTP130, MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, @@ -585,6 +684,9 @@ void __init sh7372_clock_init(void) if (!ret) ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++) + ret = clk_register(late_main_clks[k]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); if (!ret) diff --git a/arch/arm/mach-shmobile/include/mach/gpio.h b/arch/arm/mach-shmobile/include/mach/gpio.h index 5bc6bd444d7..2b1bb9e43dd 100644 --- a/arch/arm/mach-shmobile/include/mach/gpio.h +++ b/arch/arm/mach-shmobile/include/mach/gpio.h @@ -35,12 +35,12 @@ static inline int gpio_cansleep(unsigned gpio) static inline int gpio_to_irq(unsigned gpio) { - return -ENOSYS; + return __gpio_to_irq(gpio); } static inline int irq_to_gpio(unsigned int irq) { - return -EINVAL; + return -ENOSYS; } #endif /* CONFIG_GPIOLIB */ diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index 147775a94bc..e4f9004e710 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -464,5 +464,7 @@ extern struct clk sh7372_dv_clki_div2_clk; extern struct clk sh7372_pllc2_clk; extern struct clk sh7372_fsiack_clk; extern struct clk sh7372_fsibck_clk; +extern struct clk sh7372_fsidiva_clk; +extern struct clk sh7372_fsidivb_clk; #endif /* __ASM_SH7372_H__ */ diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c index 4cd3cae38e7..30b2f400666 100644 --- a/arch/arm/mach-shmobile/intc-sh7372.c +++ b/arch/arm/mach-shmobile/intc-sh7372.c @@ -98,7 +98,7 @@ static struct intc_vect intca_vectors[] __initdata = { INTC_VECT(IRQ14A, 0x03c0), INTC_VECT(IRQ15A, 0x03e0), INTC_VECT(IRQ16A, 0x3200), INTC_VECT(IRQ17A, 0x3220), INTC_VECT(IRQ18A, 0x3240), INTC_VECT(IRQ19A, 0x3260), - INTC_VECT(IRQ20A, 0x3280), INTC_VECT(IRQ31A, 0x32a0), + INTC_VECT(IRQ20A, 0x3280), INTC_VECT(IRQ21A, 0x32a0), INTC_VECT(IRQ22A, 0x32c0), INTC_VECT(IRQ23A, 0x32e0), INTC_VECT(IRQ24A, 0x3300), INTC_VECT(IRQ25A, 0x3320), INTC_VECT(IRQ26A, 0x3340), INTC_VECT(IRQ27A, 0x3360), diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c index c2e405a9e02..fd25ccd7272 100644 --- a/arch/arm/mach-vexpress/ct-ca9x4.c +++ b/arch/arm/mach-vexpress/ct-ca9x4.c @@ -54,7 +54,9 @@ static struct map_desc ct_ca9x4_io_desc[] __initdata = { static void __init ct_ca9x4_map_io(void) { +#ifdef CONFIG_LOCAL_TIMERS twd_base = MMIO_P2V(A9_MPCORE_TWD); +#endif v2m_map_io(ct_ca9x4_io_desc, ARRAY_SIZE(ct_ca9x4_io_desc)); } diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index e4dd0646e85..ac6a36142fc 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -198,7 +198,7 @@ __dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot) * fragmentation of the DMA space, and also prevents allocations * smaller than a section from crossing a section boundary. */ - bit = fls(size - 1) + 1; + bit = fls(size - 1); if (bit > SECTION_SHIFT) bit = SECTION_SHIFT; align = 1 << bit; diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index 6f42a18b8aa..fc819120978 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -284,12 +284,14 @@ void __init omap_dsp_reserve_sdram_memblock(void) if (!size) return; - paddr = __memblock_alloc_base(size, SZ_1M, MEMBLOCK_REAL_LIMIT); + paddr = memblock_alloc(size, SZ_1M); if (!paddr) { pr_err("%s: failed to reserve %x bytes\n", __func__, size); return; } + memblock_free(paddr, size); + memblock_remove(paddr, size); omap_dsp_phys_mempool_base = paddr; } diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index f5c5b8da9a8..2c2826571d4 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -1983,6 +1983,8 @@ static int omap2_dma_handle_ch(int ch) dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR(ch)); dma_write(1 << ch, IRQSTATUS_L0); + /* read back the register to flush the write */ + dma_read(IRQSTATUS_L0); /* If the ch is not chained then chain_id will be -1 */ if (dma_chan[ch].chain_id != -1) { diff --git a/arch/arm/plat-orion/include/plat/pcie.h b/arch/arm/plat-orion/include/plat/pcie.h index 3ebfef72b4e..cc99163e73f 100644 --- a/arch/arm/plat-orion/include/plat/pcie.h +++ b/arch/arm/plat-orion/include/plat/pcie.h @@ -11,12 +11,15 @@ #ifndef __PLAT_PCIE_H #define __PLAT_PCIE_H +struct pci_bus; + u32 orion_pcie_dev_id(void __iomem *base); u32 orion_pcie_rev(void __iomem *base); int orion_pcie_link_up(void __iomem *base); int orion_pcie_x4_mode(void __iomem *base); int orion_pcie_get_local_bus_nr(void __iomem *base); void orion_pcie_set_local_bus_nr(void __iomem *base, int nr); +void orion_pcie_reset(void __iomem *base); void orion_pcie_setup(void __iomem *base, struct mbus_dram_target_info *dram); int orion_pcie_rd_conf(void __iomem *base, struct pci_bus *bus, diff --git a/arch/arm/plat-orion/pcie.c b/arch/arm/plat-orion/pcie.c index 779553a1595..af2d733c50b 100644 --- a/arch/arm/plat-orion/pcie.c +++ b/arch/arm/plat-orion/pcie.c @@ -182,11 +182,6 @@ void __init orion_pcie_setup(void __iomem *base, u32 mask; /* - * soft reset PCIe unit - */ - orion_pcie_reset(base); - - /* * Point PCIe unit MBUS decode windows to DRAM space. */ orion_pcie_setup_wins(base, dram); diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c index cd0c090ebc5..b407bc8ad91 100644 --- a/arch/blackfin/kernel/process.c +++ b/arch/blackfin/kernel/process.c @@ -7,7 +7,6 @@ */ #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/unistd.h> #include <linux/user.h> #include <linux/uaccess.h> diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c index 2b63b0191f5..efad12071c2 100644 --- a/arch/frv/kernel/process.c +++ b/arch/frv/kernel/process.c @@ -16,7 +16,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c index 97478138e36..933bd388efb 100644 --- a/arch/h8300/kernel/process.c +++ b/arch/h8300/kernel/process.c @@ -28,7 +28,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c index 3a078ad3aa4..331de723c67 100644 --- a/arch/ia64/hp/sim/simscsi.c +++ b/arch/ia64/hp/sim/simscsi.c @@ -202,7 +202,7 @@ simscsi_readwrite10 (struct scsi_cmnd *sc, int mode) } static int -simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) +simscsi_queuecommand_lck (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) { unsigned int target_id = sc->device->id; char fname[MAX_ROOT_LEN+16]; @@ -326,6 +326,8 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) return 0; } +static DEF_SCSI_QCMD(simscsi_queuecommand) + static int simscsi_host_reset (struct scsi_cmnd *sc) { diff --git a/arch/m68k/include/asm/irqflags.h b/arch/m68k/include/asm/irqflags.h index 4a5b284a155..7ef4115b8c4 100644 --- a/arch/m68k/include/asm/irqflags.h +++ b/arch/m68k/include/asm/irqflags.h @@ -2,7 +2,9 @@ #define _M68K_IRQFLAGS_H #include <linux/types.h> +#ifdef CONFIG_MMU #include <linux/hardirq.h> +#endif #include <linux/preempt.h> #include <asm/thread_info.h> #include <asm/entry.h> diff --git a/arch/m68k/include/asm/machdep.h b/arch/m68k/include/asm/machdep.h index 789f3b2de0e..415d5484916 100644 --- a/arch/m68k/include/asm/machdep.h +++ b/arch/m68k/include/asm/machdep.h @@ -40,5 +40,6 @@ extern unsigned long hw_timer_offset(void); extern irqreturn_t arch_timer_interrupt(int irq, void *dummy); extern void config_BSP(char *command, int len); +extern void do_IRQ(int irq, struct pt_regs *fp); #endif /* _M68K_MACHDEP_H */ diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index 18732ab2329..c2a1fc23dd7 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -18,7 +18,6 @@ #include <linux/slab.h> #include <linux/fs.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c index 6d3390590e5..e2a63af5d51 100644 --- a/arch/m68knommu/kernel/process.c +++ b/arch/m68knommu/kernel/process.c @@ -19,7 +19,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c index 0d0f8049a17..e1b14a6ed54 100644 --- a/arch/mn10300/kernel/process.c +++ b/arch/mn10300/kernel/process.c @@ -14,7 +14,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/parisc/hpux/sys_hpux.c b/arch/parisc/hpux/sys_hpux.c index ba430a03bc7..30394081d9b 100644 --- a/arch/parisc/hpux/sys_hpux.c +++ b/arch/parisc/hpux/sys_hpux.c @@ -28,7 +28,6 @@ #include <linux/namei.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/utsname.h> #include <linux/vfs.h> diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index 9779ece2b07..88a0ad14a9c 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -20,7 +20,6 @@ #include <linux/times.h> #include <linux/time.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index b6447190e1a..e625e9e034a 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -4,6 +4,10 @@ config PPC32 bool default y if !PPC64 +config 32BIT + bool + default y if PPC32 + config 64BIT bool default y if PPC64 diff --git a/arch/powerpc/boot/div64.S b/arch/powerpc/boot/div64.S index 722f360a32a..d271ab54267 100644 --- a/arch/powerpc/boot/div64.S +++ b/arch/powerpc/boot/div64.S @@ -33,9 +33,10 @@ __div64_32: cntlzw r0,r5 # we are shifting the dividend right li r10,-1 # to make it < 2^32, and shifting srw r10,r10,r0 # the divisor right the same amount, - add r9,r4,r10 # rounding up (so the estimate cannot + addc r9,r4,r10 # rounding up (so the estimate cannot andc r11,r6,r10 # ever be too large, only too small) andc r9,r9,r10 + addze r9,r9 or r11,r5,r11 rotlw r9,r9,r0 rotlw r11,r11,r0 diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c index 7a9db64f3f0..42850ee00ad 100644 --- a/arch/powerpc/kernel/kgdb.c +++ b/arch/powerpc/kernel/kgdb.c @@ -337,7 +337,7 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs) /* FP registers 32 -> 63 */ #if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE) if (current) - memcpy(mem, current->thread.evr[regno-32], + memcpy(mem, ¤t->thread.evr[regno-32], dbg_reg_def[regno].size); #else /* fp registers not used by kernel, leave zero */ @@ -362,7 +362,7 @@ int dbg_set_reg(int regno, void *mem, struct pt_regs *regs) if (regno >= 32 && regno < 64) { /* FP registers 32 -> 63 */ #if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE) - memcpy(current->thread.evr[regno-32], mem, + memcpy(¤t->thread.evr[regno-32], mem, dbg_reg_def[regno].size); #else /* fp registers not used by kernel, leave zero */ diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c index 428d0e538ae..b06bdae0406 100644 --- a/arch/powerpc/kernel/kvm.c +++ b/arch/powerpc/kernel/kvm.c @@ -127,7 +127,7 @@ static void kvm_patch_ins_nop(u32 *inst) static void kvm_patch_ins_b(u32 *inst, int addr) { -#ifdef CONFIG_RELOCATABLE +#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_PPC_BOOK3S) /* On relocatable kernels interrupts handlers and our code can be in different regions, so we don't patch them */ diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 2a178b0ebcd..ce6f61c6f87 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -497,9 +497,8 @@ static void __init emergency_stack_init(void) } /* - * Called into from start_kernel, after lock_kernel has been called. - * Initializes bootmem, which is unsed to manage page allocation until - * mem_init is called. + * Called into from start_kernel this initializes bootmem, which is used + * to manage page allocation until mem_init is called. */ void __init setup_arch(char **cmdline_p) { diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index b1b6043a56c..4e5bf1edc0f 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -23,7 +23,6 @@ #include <linux/resource.h> #include <linux/times.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S index 049846911ce..1cc471faac2 100644 --- a/arch/powerpc/kvm/booke_interrupts.S +++ b/arch/powerpc/kvm/booke_interrupts.S @@ -416,7 +416,7 @@ lightweight_exit: lwz r3, VCPU_PC(r4) mtsrr0 r3 lwz r3, VCPU_SHARED(r4) - lwz r3, VCPU_SHARED_MSR(r3) + lwz r3, (VCPU_SHARED_MSR + 4)(r3) oris r3, r3, KVMPPC_MSR_MASK@h ori r3, r3, KVMPPC_MSR_MASK@l mtsrr1 r3 diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c index 71750f2dd5d..e3768ee9b59 100644 --- a/arch/powerpc/kvm/e500.c +++ b/arch/powerpc/kvm/e500.c @@ -138,8 +138,8 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); free_page((unsigned long)vcpu->arch.shared); - kvmppc_e500_tlb_uninit(vcpu_e500); kvm_vcpu_uninit(vcpu); + kvmppc_e500_tlb_uninit(vcpu_e500); kmem_cache_free(kvm_vcpu_cache, vcpu_e500); } diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 2f87a1627f6..38f756f2505 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -617,6 +617,7 @@ long kvm_arch_vm_ioctl(struct file *filp, switch (ioctl) { case KVM_PPC_GET_PVINFO: { struct kvm_ppc_pvinfo pvinfo; + memset(&pvinfo, 0, sizeof(pvinfo)); r = kvm_vm_ioctl_get_pvinfo(&pvinfo); if (copy_to_user(argp, &pvinfo, sizeof(pvinfo))) { r = -EFAULT; diff --git a/arch/powerpc/kvm/timing.c b/arch/powerpc/kvm/timing.c index 46fa04f12a9..a021f5827a3 100644 --- a/arch/powerpc/kvm/timing.c +++ b/arch/powerpc/kvm/timing.c @@ -35,7 +35,6 @@ void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu) int i; /* pause guest execution to avoid concurrent updates */ - local_irq_disable(); mutex_lock(&vcpu->mutex); vcpu->arch.last_exit_type = 0xDEAD; @@ -51,7 +50,6 @@ void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu) vcpu->arch.timing_last_enter.tv64 = 0; mutex_unlock(&vcpu->mutex); - local_irq_enable(); } static void add_exit_timing(struct kvm_vcpu *vcpu, u64 duration, int type) diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 83f534d862d..5e9584405c4 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -1123,7 +1123,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea, else #endif /* CONFIG_PPC_HAS_HASH_64K */ rc = __hash_page_4K(ea, access, vsid, ptep, trap, local, ssize, - subpage_protection(pgdir, ea)); + subpage_protection(mm, ea)); /* Dump some info in case of hash insertion failure, they should * never happen so it is really useful to know if/when they do diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S index 8b04c54e596..8526bd9d2aa 100644 --- a/arch/powerpc/mm/tlb_low_64e.S +++ b/arch/powerpc/mm/tlb_low_64e.S @@ -138,8 +138,11 @@ cmpldi cr0,r15,0 /* Check for user region */ std r14,EX_TLB_ESR(r12) /* write crazy -1 to frame */ beq normal_tlb_miss + + li r11,_PAGE_PRESENT|_PAGE_BAP_SX /* Base perm */ + oris r11,r11,_PAGE_ACCESSED@h /* XXX replace the RMW cycles with immediate loads + writes */ -1: mfspr r10,SPRN_MAS1 + mfspr r10,SPRN_MAS1 cmpldi cr0,r15,8 /* Check for vmalloc region */ rlwinm r10,r10,0,16,1 /* Clear TID */ mtspr SPRN_MAS1,r10 diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c index 36c0c449a89..2a030d89bbc 100644 --- a/arch/powerpc/mm/tlb_nohash.c +++ b/arch/powerpc/mm/tlb_nohash.c @@ -585,6 +585,6 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base, ppc64_rma_size = min_t(u64, first_memblock_size, 0x40000000); /* Finally limit subsequent allocations */ - memblock_set_current_limit(ppc64_memblock_base + ppc64_rma_size); + memblock_set_current_limit(first_memblock_base + ppc64_rma_size); } #endif /* CONFIG_PPC64 */ diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index c667f0f02c3..3139814f643 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -47,6 +47,12 @@ config LPARCFG config PPC_PSERIES_DEBUG depends on PPC_PSERIES && PPC_EARLY_DEBUG bool "Enable extra debug logging in platforms/pseries" + help + Say Y here if you want the pseries core to produce a bunch of + debug messages to the system log. Select this if you are having a + problem with the pseries core and want to see more of what is + going on. This does not enable debugging in lpar.c, which must + be manually done due to its verbosity. default y config PPC_SMLPAR diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 34b7dc12e73..17a11c82e6f 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -21,8 +21,6 @@ * Please address comments and feedback to Linas Vepstas <linas@austin.ibm.com> */ -#undef DEBUG - #include <linux/delay.h> #include <linux/init.h> #include <linux/list.h> diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index 4b7a062dee1..5fcc92a12d3 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -25,8 +25,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#undef DEBUG - #include <linux/pci.h> #include <asm/pci-bridge.h> #include <asm/ppc-pci.h> diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug index 45e0c6199f3..05221b13ffb 100644 --- a/arch/s390/Kconfig.debug +++ b/arch/s390/Kconfig.debug @@ -6,6 +6,18 @@ config TRACE_IRQFLAGS_SUPPORT source "lib/Kconfig.debug" +config STRICT_DEVMEM + def_bool y + prompt "Filter access to /dev/mem" + ---help--- + This option restricts access to /dev/mem. If this option is + disabled, you allow userspace access to all memory, including + kernel and userspace memory. Accidental memory access is likely + to be disastrous. + Memory access is required for experts who want to debug the kernel. + + If you are unsure, say Y. + config DEBUG_STRICT_USER_COPY_CHECKS bool "Strict user copy size checks" ---help--- diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index a8729ea7e9a..3c987e9ec8d 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -130,6 +130,11 @@ struct page; void arch_free_page(struct page *page, int order); void arch_alloc_page(struct page *page, int order); +static inline int devmem_is_allowed(unsigned long pfn) +{ + return 0; +} + #define HAVE_ARCH_FREE_PAGE #define HAVE_ARCH_ALLOC_PAGE diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 1e6449c79ab..53acaa86dd9 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -25,7 +25,6 @@ #include <linux/resource.h> #include <linux/times.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index d60fc439851..2564793ec2b 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -30,6 +30,7 @@ #include <asm/sections.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/hardirq.h> DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL; DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); @@ -212,7 +213,7 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) /* Set the PER control regs, turns on single step for this address */ __ctl_load(kprobe_per_regs, 9, 11); regs->psw.mask |= PSW_MASK_PER; - regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK); + regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT); } static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb) @@ -239,7 +240,7 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs, __get_cpu_var(current_kprobe) = p; /* Save the interrupt and per flags */ kcb->kprobe_saved_imask = regs->psw.mask & - (PSW_MASK_PER | PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK); + (PSW_MASK_PER | PSW_MASK_IO | PSW_MASK_EXT); /* Save the control regs that govern PER */ __ctl_store(kcb->kprobe_saved_ctl, 9, 11); } @@ -316,8 +317,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) return 1; ss_probe: - if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO)) - local_irq_disable(); prepare_singlestep(p, regs); kcb->kprobe_status = KPROBE_HIT_SS; return 1; @@ -350,6 +349,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p, struct hlist_node *node, *tmp; unsigned long flags, orig_ret_address = 0; unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline; + kprobe_opcode_t *correct_ret_addr = NULL; INIT_HLIST_HEAD(&empty_rp); kretprobe_hash_lock(current, &head, &flags); @@ -372,10 +372,32 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p, /* another task is sharing our hash bucket */ continue; - if (ri->rp && ri->rp->handler) - ri->rp->handler(ri, regs); + orig_ret_address = (unsigned long)ri->ret_addr; + + if (orig_ret_address != trampoline_address) + /* + * This is the real return address. Any other + * instances associated with this task are for + * other calls deeper on the call stack + */ + break; + } + + kretprobe_assert(ri, orig_ret_address, trampoline_address); + + correct_ret_addr = ri->ret_addr; + hlist_for_each_entry_safe(ri, node, tmp, head, hlist) { + if (ri->task != current) + /* another task is sharing our hash bucket */ + continue; orig_ret_address = (unsigned long)ri->ret_addr; + + if (ri->rp && ri->rp->handler) { + ri->ret_addr = correct_ret_addr; + ri->rp->handler(ri, regs); + } + recycle_rp_inst(ri, &empty_rp); if (orig_ret_address != trampoline_address) { @@ -387,7 +409,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p, break; } } - kretprobe_assert(ri, orig_ret_address, trampoline_address); + regs->psw.addr = orig_ret_address | PSW_ADDR_AMODE; reset_current_kprobe(); @@ -465,8 +487,6 @@ static int __kprobes post_kprobe_handler(struct pt_regs *regs) goto out; } reset_current_kprobe(); - if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO)) - local_irq_enable(); out: preempt_enable_no_resched(); @@ -482,7 +502,7 @@ out: return 1; } -int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) +static int __kprobes kprobe_trap_handler(struct pt_regs *regs, int trapnr) { struct kprobe *cur = kprobe_running(); struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); @@ -508,8 +528,6 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) restore_previous_kprobe(kcb); else { reset_current_kprobe(); - if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO)) - local_irq_enable(); } preempt_enable_no_resched(); break; @@ -553,6 +571,18 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) return 0; } +int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) +{ + int ret; + + if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT)) + local_irq_disable(); + ret = kprobe_trap_handler(regs, trapnr); + if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT)) + local_irq_restore(regs->psw.mask & ~PSW_MASK_PER); + return ret; +} + /* * Wrapper routine to for handling exceptions. */ @@ -560,8 +590,12 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data) { struct die_args *args = (struct die_args *)data; + struct pt_regs *regs = args->regs; int ret = NOTIFY_DONE; + if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT)) + local_irq_disable(); + switch (val) { case DIE_BPT: if (kprobe_handler(args->regs)) @@ -572,16 +606,17 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, ret = NOTIFY_STOP; break; case DIE_TRAP: - /* kprobe_running() needs smp_processor_id() */ - preempt_disable(); - if (kprobe_running() && - kprobe_fault_handler(args->regs, args->trapnr)) + if (!preemptible() && kprobe_running() && + kprobe_trap_handler(args->regs, args->trapnr)) ret = NOTIFY_STOP; - preempt_enable(); break; default: break; } + + if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT)) + local_irq_restore(regs->psw.mask & ~PSW_MASK_PER); + return ret; } @@ -595,6 +630,7 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) /* setup return addr to the jprobe handler routine */ regs->psw.addr = (unsigned long)(jp->entry) | PSW_ADDR_AMODE; + regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT); /* r14 is the function return address */ kcb->jprobe_saved_r14 = (unsigned long)regs->gprs[14]; diff --git a/arch/s390/mm/gup.c b/arch/s390/mm/gup.c index 38e641cdd97..45b405ca256 100644 --- a/arch/s390/mm/gup.c +++ b/arch/s390/mm/gup.c @@ -20,18 +20,17 @@ static inline int gup_pte_range(pmd_t *pmdp, pmd_t pmd, unsigned long addr, unsigned long end, int write, struct page **pages, int *nr) { - unsigned long mask, result; + unsigned long mask; pte_t *ptep, pte; struct page *page; - result = write ? 0 : _PAGE_RO; - mask = result | _PAGE_INVALID | _PAGE_SPECIAL; + mask = (write ? _PAGE_RO : 0) | _PAGE_INVALID | _PAGE_SPECIAL; ptep = ((pte_t *) pmd_deref(pmd)) + pte_index(addr); do { pte = *ptep; barrier(); - if ((pte_val(pte) & mask) != result) + if ((pte_val(pte) & mask) != 0) return 0; VM_BUG_ON(!pfn_valid(pte_pfn(pte))); page = pte_page(pte); diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 5c075f562eb..7f217b3a50a 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -193,6 +193,7 @@ config CPU_SH2 config CPU_SH2A bool select CPU_SH2 + select UNCACHED_MAPPING config CPU_SH3 bool diff --git a/arch/sh/Makefile b/arch/sh/Makefile index 307b3a4a790..9c8c6e1a2a1 100644 --- a/arch/sh/Makefile +++ b/arch/sh/Makefile @@ -133,10 +133,7 @@ machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast machdir-$(CONFIG_SH_SH03) += mach-sh03 -machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d -machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh -machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705 machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander machdir-$(CONFIG_SH_MIGOR) += mach-migor machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig index 9c94711aa6c..2018c7ea4c9 100644 --- a/arch/sh/boards/Kconfig +++ b/arch/sh/boards/Kconfig @@ -81,13 +81,6 @@ config SH_7343_SOLUTION_ENGINE Select 7343 SolutionEngine if configuring for a Hitachi SH7343 (SH-Mobile 3AS) evaluation board. -config SH_7751_SYSTEMH - bool "SystemH7751R" - depends on CPU_SUBTYPE_SH7751R - help - Select SystemH if you are configuring for a Renesas SystemH - 7751R evaluation board. - config SH_HP6XX bool "HP6XX" select SYS_SUPPORTS_APM_EMULATION diff --git a/arch/sh/boards/Makefile b/arch/sh/boards/Makefile index 38ef655cc0f..be7d11d04b2 100644 --- a/arch/sh/boards/Makefile +++ b/arch/sh/boards/Makefile @@ -2,10 +2,12 @@ # Specific board support, not covered by a mach group. # obj-$(CONFIG_SH_MAGIC_PANEL_R2) += board-magicpanelr2.o +obj-$(CONFIG_SH_SECUREEDGE5410) += board-secureedge5410.o obj-$(CONFIG_SH_SH2007) += board-sh2007.o obj-$(CONFIG_SH_SH7785LCR) += board-sh7785lcr.o obj-$(CONFIG_SH_URQUELL) += board-urquell.o obj-$(CONFIG_SH_SHMIN) += board-shmin.o +obj-$(CONFIG_SH_EDOSK7705) += board-edosk7705.o obj-$(CONFIG_SH_EDOSK7760) += board-edosk7760.o obj-$(CONFIG_SH_ESPT) += board-espt.o obj-$(CONFIG_SH_POLARIS) += board-polaris.o diff --git a/arch/sh/boards/board-edosk7705.c b/arch/sh/boards/board-edosk7705.c new file mode 100644 index 00000000000..4cb3bb74c36 --- /dev/null +++ b/arch/sh/boards/board-edosk7705.c @@ -0,0 +1,78 @@ +/* + * arch/sh/boards/renesas/edosk7705/setup.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Hitachi SolutionEngine Support. + * + * Modified for edosk7705 development + * board by S. Dunn, 2003. + */ +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/smc91x.h> +#include <asm/machvec.h> +#include <asm/sizes.h> + +#define SMC_IOBASE 0xA2000000 +#define SMC_IO_OFFSET 0x300 +#define SMC_IOADDR (SMC_IOBASE + SMC_IO_OFFSET) + +#define ETHERNET_IRQ 0x09 + +static void __init sh_edosk7705_init_irq(void) +{ + make_imask_irq(ETHERNET_IRQ); +} + +/* eth initialization functions */ +static struct smc91x_platdata smc91x_info = { + .flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL, +}; + +static struct resource smc91x_res[] = { + [0] = { + .start = SMC_IOADDR, + .end = SMC_IOADDR + SZ_32 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = ETHERNET_IRQ, + .end = ETHERNET_IRQ, + .flags = IORESOURCE_IRQ , + } +}; + +static struct platform_device smc91x_dev = { + .name = "smc91x", + .id = -1, + .num_resources = ARRAY_SIZE(smc91x_res), + .resource = smc91x_res, + + .dev = { + .platform_data = &smc91x_info, + }, +}; + +/* platform init code */ +static struct platform_device *edosk7705_devices[] __initdata = { + &smc91x_dev, +}; + +static int __init init_edosk7705_devices(void) +{ + return platform_add_devices(edosk7705_devices, + ARRAY_SIZE(edosk7705_devices)); +} +__initcall(init_edosk7705_devices); + +/* + * The Machine Vector + */ +static struct sh_machine_vector mv_edosk7705 __initmv = { + .mv_name = "EDOSK7705", + .mv_nr_irqs = 80, + .mv_init_irq = sh_edosk7705_init_irq, +}; diff --git a/arch/sh/boards/mach-snapgear/setup.c b/arch/sh/boards/board-secureedge5410.c index 331745dee37..32f875e8493 100644 --- a/arch/sh/boards/mach-snapgear/setup.c +++ b/arch/sh/boards/board-secureedge5410.c @@ -1,6 +1,4 @@ /* - * linux/arch/sh/boards/snapgear/setup.c - * * Copyright (C) 2002 David McCullough <davidm@snapgear.com> * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org> * @@ -19,18 +17,19 @@ #include <linux/module.h> #include <linux/sched.h> #include <asm/machvec.h> -#include <mach/snapgear.h> +#include <mach/secureedge5410.h> #include <asm/irq.h> #include <asm/io.h> #include <cpu/timer.h> +unsigned short secureedge5410_ioport; + /* * EraseConfig handling functions */ - static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id) { - (void)__raw_readb(0xb8000000); /* dummy read */ + ctrl_delay(); /* dummy read */ printk("SnapGear: erase switch interrupt!\n"); @@ -39,21 +38,22 @@ static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id) static int __init eraseconfig_init(void) { + unsigned int irq = evt2irq(0x240); + printk("SnapGear: EraseConfig init\n"); + /* Setup "EraseConfig" switch on external IRQ 0 */ - if (request_irq(IRL0_IRQ, eraseconfig_interrupt, IRQF_DISABLED, + if (request_irq(irq, eraseconfig_interrupt, IRQF_DISABLED, "Erase Config", NULL)) printk("SnapGear: failed to register IRQ%d for Reset witch\n", - IRL0_IRQ); + irq); else printk("SnapGear: registered EraseConfig switch on IRQ%d\n", - IRL0_IRQ); - return(0); + irq); + return 0; } - module_init(eraseconfig_init); -/****************************************************************************/ /* * Initialize IRQ setting * @@ -62,7 +62,6 @@ module_init(eraseconfig_init); * IRL2 = eth1 * IRL3 = crypto */ - static void __init init_snapgear_IRQ(void) { printk("Setup SnapGear IRQ/IPR ...\n"); @@ -76,20 +75,5 @@ static void __init init_snapgear_IRQ(void) static struct sh_machine_vector mv_snapgear __initmv = { .mv_name = "SnapGear SecureEdge5410", .mv_nr_irqs = 72, - - .mv_inb = snapgear_inb, - .mv_inw = snapgear_inw, - .mv_inl = snapgear_inl, - .mv_outb = snapgear_outb, - .mv_outw = snapgear_outw, - .mv_outl = snapgear_outl, - - .mv_inb_p = snapgear_inb_p, - .mv_inw_p = snapgear_inw, - .mv_inl_p = snapgear_inl, - .mv_outb_p = snapgear_outb_p, - .mv_outw_p = snapgear_outw, - .mv_outl_p = snapgear_outl, - .mv_init_irq = init_snapgear_IRQ, }; diff --git a/arch/sh/boards/mach-edosk7705/Makefile b/arch/sh/boards/mach-edosk7705/Makefile deleted file mode 100644 index cd54acb5149..00000000000 --- a/arch/sh/boards/mach-edosk7705/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the EDOSK7705 specific parts of the kernel -# - -obj-y := setup.o io.o diff --git a/arch/sh/boards/mach-edosk7705/io.c b/arch/sh/boards/mach-edosk7705/io.c deleted file mode 100644 index 5b9c57c4324..00000000000 --- a/arch/sh/boards/mach-edosk7705/io.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * arch/sh/boards/renesas/edosk7705/io.c - * - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routines for Hitachi EDOSK7705 board. - * - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/io.h> -#include <mach/edosk7705.h> -#include <asm/addrspace.h> - -#define SMC_IOADDR 0xA2000000 - -/* Map the Ethernet addresses as if it is at 0x300 - 0x320 */ -static unsigned long sh_edosk7705_isa_port2addr(unsigned long port) -{ - /* - * SMC91C96 registers are 4 byte aligned rather than the - * usual 2 byte! - */ - if (port >= 0x300 && port < 0x320) - return SMC_IOADDR + ((port - 0x300) * 2); - - maybebadio(port); - return port; -} - -/* Trying to read / write bytes on odd-byte boundaries to the Ethernet - * registers causes problems. So we bit-shift the value and read / write - * in 2 byte chunks. Setting the low byte to 0 does not cause problems - * now as odd byte writes are only made on the bit mask / interrupt - * register. This may not be the case in future Mar-2003 SJD - */ -unsigned char sh_edosk7705_inb(unsigned long port) -{ - if (port >= 0x300 && port < 0x320 && port & 0x01) - return __raw_readw(port - 1) >> 8; - - return __raw_readb(sh_edosk7705_isa_port2addr(port)); -} - -void sh_edosk7705_outb(unsigned char value, unsigned long port) -{ - if (port >= 0x300 && port < 0x320 && port & 0x01) { - __raw_writew(((unsigned short)value << 8), port - 1); - return; - } - - __raw_writeb(value, sh_edosk7705_isa_port2addr(port)); -} - -void sh_edosk7705_insb(unsigned long port, void *addr, unsigned long count) -{ - unsigned char *p = addr; - - while (count--) - *p++ = sh_edosk7705_inb(port); -} - -void sh_edosk7705_outsb(unsigned long port, const void *addr, unsigned long count) -{ - unsigned char *p = (unsigned char *)addr; - - while (count--) - sh_edosk7705_outb(*p++, port); -} diff --git a/arch/sh/boards/mach-edosk7705/setup.c b/arch/sh/boards/mach-edosk7705/setup.c deleted file mode 100644 index d59225e26fb..00000000000 --- a/arch/sh/boards/mach-edosk7705/setup.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * arch/sh/boards/renesas/edosk7705/setup.c - * - * Copyright (C) 2000 Kazumoto Kojima - * - * Hitachi SolutionEngine Support. - * - * Modified for edosk7705 development - * board by S. Dunn, 2003. - */ -#include <linux/init.h> -#include <linux/irq.h> -#include <asm/machvec.h> -#include <mach/edosk7705.h> - -static void __init sh_edosk7705_init_irq(void) -{ - /* This is the Ethernet interrupt */ - make_imask_irq(0x09); -} - -/* - * The Machine Vector - */ -static struct sh_machine_vector mv_edosk7705 __initmv = { - .mv_name = "EDOSK7705", - .mv_nr_irqs = 80, - - .mv_inb = sh_edosk7705_inb, - .mv_outb = sh_edosk7705_outb, - - .mv_insb = sh_edosk7705_insb, - .mv_outsb = sh_edosk7705_outsb, - - .mv_init_irq = sh_edosk7705_init_irq, -}; diff --git a/arch/sh/boards/mach-microdev/io.c b/arch/sh/boards/mach-microdev/io.c index 2960c659020..acdafb0c640 100644 --- a/arch/sh/boards/mach-microdev/io.c +++ b/arch/sh/boards/mach-microdev/io.c @@ -54,7 +54,7 @@ /* * map I/O ports to memory-mapped addresses */ -static unsigned long microdev_isa_port2addr(unsigned long offset) +void __iomem *microdev_ioport_map(unsigned long offset, unsigned int len) { unsigned long result; @@ -72,16 +72,6 @@ static unsigned long microdev_isa_port2addr(unsigned long offset) * Configuration Registers */ result = IO_SUPERIO_PHYS + (offset << 1); -#if 0 - } else if (offset == KBD_DATA_REG || offset == KBD_CNTL_REG || - offset == KBD_STATUS_REG) { - /* - * SMSC FDC37C93xAPM SuperIO chip - * - * PS/2 Keyboard + Mouse (ports 0x60 and 0x64). - */ - result = IO_SUPERIO_PHYS + (offset << 1); -#endif } else if (((offset >= IO_IDE1_BASE) && (offset < IO_IDE1_BASE + IO_IDE_EXTENT)) || (offset == IO_IDE1_MISC)) { @@ -131,237 +121,5 @@ static unsigned long microdev_isa_port2addr(unsigned long offset) result = PVR; } - return result; -} - -#define PORT2ADDR(x) (microdev_isa_port2addr(x)) - -static inline void delay(void) -{ -#if defined(CONFIG_PCI) - /* System board present, just make a dummy SRAM access. (CS0 will be - mapped to PCI memory, probably good to avoid it.) */ - __raw_readw(0xa6800000); -#else - /* CS0 will be mapped to flash, ROM etc so safe to access it. */ - __raw_readw(0xa0000000); -#endif -} - -unsigned char microdev_inb(unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) - return microdev_pci_inb(port); -#endif - return *(volatile unsigned char*)PORT2ADDR(port); -} - -unsigned short microdev_inw(unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) - return microdev_pci_inw(port); -#endif - return *(volatile unsigned short*)PORT2ADDR(port); -} - -unsigned int microdev_inl(unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) - return microdev_pci_inl(port); -#endif - return *(volatile unsigned int*)PORT2ADDR(port); -} - -void microdev_outw(unsigned short b, unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) { - microdev_pci_outw(b, port); - return; - } -#endif - *(volatile unsigned short*)PORT2ADDR(port) = b; -} - -void microdev_outb(unsigned char b, unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) { - microdev_pci_outb(b, port); - return; - } -#endif - - /* - * There is a board feature with the current SH4-202 MicroDev in - * that the 2 byte enables (nBE0 and nBE1) are tied together (and - * to the Chip Select Line (Ethernet_CS)). Due to this connectivity, - * it is not possible to safely perform 8-bit writes to the - * Ethernet registers, as 16-bits will be consumed from the Data - * lines (corrupting the other byte). Hence, this function is - * written to implement 16-bit read/modify/write for all byte-wide - * accesses. - * - * Note: there is no problem with byte READS (even or odd). - * - * Sean McGoogan - 16th June 2003. - */ - if ((port >= IO_LAN91C111_BASE) && - (port < IO_LAN91C111_BASE + IO_LAN91C111_EXTENT)) { - /* - * Then are trying to perform a byte-write to the - * LAN91C111. This needs special care. - */ - if (port % 2 == 1) { /* is the port odd ? */ - /* unset bit-0, i.e. make even */ - const unsigned long evenPort = port-1; - unsigned short word; - - /* - * do a 16-bit read/write to write to 'port', - * preserving even byte. - * - * Even addresses are bits 0-7 - * Odd addresses are bits 8-15 - */ - word = microdev_inw(evenPort); - word = (word & 0xffu) | (b << 8); - microdev_outw(word, evenPort); - } else { - /* else, we are trying to do an even byte write */ - unsigned short word; - - /* - * do a 16-bit read/write to write to 'port', - * preserving odd byte. - * - * Even addresses are bits 0-7 - * Odd addresses are bits 8-15 - */ - word = microdev_inw(port); - word = (word & 0xff00u) | (b); - microdev_outw(word, port); - } - } else { - *(volatile unsigned char*)PORT2ADDR(port) = b; - } -} - -void microdev_outl(unsigned int b, unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) { - microdev_pci_outl(b, port); - return; - } -#endif - *(volatile unsigned int*)PORT2ADDR(port) = b; -} - -unsigned char microdev_inb_p(unsigned long port) -{ - unsigned char v = microdev_inb(port); - delay(); - return v; -} - -unsigned short microdev_inw_p(unsigned long port) -{ - unsigned short v = microdev_inw(port); - delay(); - return v; -} - -unsigned int microdev_inl_p(unsigned long port) -{ - unsigned int v = microdev_inl(port); - delay(); - return v; -} - -void microdev_outb_p(unsigned char b, unsigned long port) -{ - microdev_outb(b, port); - delay(); -} - -void microdev_outw_p(unsigned short b, unsigned long port) -{ - microdev_outw(b, port); - delay(); -} - -void microdev_outl_p(unsigned int b, unsigned long port) -{ - microdev_outl(b, port); - delay(); -} - -void microdev_insb(unsigned long port, void *buffer, unsigned long count) -{ - volatile unsigned char *port_addr; - unsigned char *buf = buffer; - - port_addr = (volatile unsigned char *)PORT2ADDR(port); - - while (count--) - *buf++ = *port_addr; -} - -void microdev_insw(unsigned long port, void *buffer, unsigned long count) -{ - volatile unsigned short *port_addr; - unsigned short *buf = buffer; - - port_addr = (volatile unsigned short *)PORT2ADDR(port); - - while (count--) - *buf++ = *port_addr; -} - -void microdev_insl(unsigned long port, void *buffer, unsigned long count) -{ - volatile unsigned long *port_addr; - unsigned int *buf = buffer; - - port_addr = (volatile unsigned long *)PORT2ADDR(port); - - while (count--) - *buf++ = *port_addr; -} - -void microdev_outsb(unsigned long port, const void *buffer, unsigned long count) -{ - volatile unsigned char *port_addr; - const unsigned char *buf = buffer; - - port_addr = (volatile unsigned char *)PORT2ADDR(port); - - while (count--) - *port_addr = *buf++; -} - -void microdev_outsw(unsigned long port, const void *buffer, unsigned long count) -{ - volatile unsigned short *port_addr; - const unsigned short *buf = buffer; - - port_addr = (volatile unsigned short *)PORT2ADDR(port); - - while (count--) - *port_addr = *buf++; -} - -void microdev_outsl(unsigned long port, const void *buffer, unsigned long count) -{ - volatile unsigned long *port_addr; - const unsigned int *buf = buffer; - - port_addr = (volatile unsigned long *)PORT2ADDR(port); - - while (count--) - *port_addr = *buf++; + return (void __iomem *)result; } diff --git a/arch/sh/boards/mach-microdev/setup.c b/arch/sh/boards/mach-microdev/setup.c index d1df2a4fb9b..d8a747291e0 100644 --- a/arch/sh/boards/mach-microdev/setup.c +++ b/arch/sh/boards/mach-microdev/setup.c @@ -195,27 +195,6 @@ device_initcall(microdev_devices_setup); static struct sh_machine_vector mv_sh4202_microdev __initmv = { .mv_name = "SH4-202 MicroDev", .mv_nr_irqs = 72, - - .mv_inb = microdev_inb, - .mv_inw = microdev_inw, - .mv_inl = microdev_inl, - .mv_outb = microdev_outb, - .mv_outw = microdev_outw, - .mv_outl = microdev_outl, - - .mv_inb_p = microdev_inb_p, - .mv_inw_p = microdev_inw_p, - .mv_inl_p = microdev_inl_p, - .mv_outb_p = microdev_outb_p, - .mv_outw_p = microdev_outw_p, - .mv_outl_p = microdev_outl_p, - - .mv_insb = microdev_insb, - .mv_insw = microdev_insw, - .mv_insl = microdev_insl, - .mv_outsb = microdev_outsb, - .mv_outsw = microdev_outsw, - .mv_outsl = microdev_outsl, - + .mv_ioport_map = microdev_ioport_map, .mv_init_irq = init_microdev_irq, }; diff --git a/arch/sh/boards/mach-se/7206/Makefile b/arch/sh/boards/mach-se/7206/Makefile index 63e7ed699f3..5c9eaa0535b 100644 --- a/arch/sh/boards/mach-se/7206/Makefile +++ b/arch/sh/boards/mach-se/7206/Makefile @@ -2,4 +2,4 @@ # Makefile for the 7206 SolutionEngine specific parts of the kernel # -obj-y := setup.o io.o irq.o +obj-y := setup.o irq.o diff --git a/arch/sh/boards/mach-se/7206/io.c b/arch/sh/boards/mach-se/7206/io.c deleted file mode 100644 index adadc77532e..00000000000 --- a/arch/sh/boards/mach-se/7206/io.c +++ /dev/null @@ -1,104 +0,0 @@ -/* $Id: io.c,v 1.5 2004/02/22 23:08:43 kkojima Exp $ - * - * linux/arch/sh/boards/se/7206/io.c - * - * Copyright (C) 2006 Yoshinori Sato - * - * I/O routine for Hitachi 7206 SolutionEngine. - * - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/io.h> -#include <mach-se/mach/se7206.h> - - -static inline void delay(void) -{ - __raw_readw(0x20000000); /* P2 ROM Area */ -} - -/* MS7750 requires special versions of in*, out* routines, since - PC-like io ports are located at upper half byte of 16-bit word which - can be accessed only with 16-bit wide. */ - -static inline volatile __u16 * -port2adr(unsigned int port) -{ - if (port >= 0x2000 && port < 0x2020) - return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); - else if (port >= 0x300 && port < 0x310) - return (volatile __u16 *) (PA_SMSC + (port - 0x300)); - - return (volatile __u16 *)port; -} - -unsigned char se7206_inb(unsigned long port) -{ - return (*port2adr(port)) & 0xff; -} - -unsigned char se7206_inb_p(unsigned long port) -{ - unsigned long v; - - v = (*port2adr(port)) & 0xff; - delay(); - return v; -} - -unsigned short se7206_inw(unsigned long port) -{ - return *port2adr(port); -} - -void se7206_outb(unsigned char value, unsigned long port) -{ - *(port2adr(port)) = value; -} - -void se7206_outb_p(unsigned char value, unsigned long port) -{ - *(port2adr(port)) = value; - delay(); -} - -void se7206_outw(unsigned short value, unsigned long port) -{ - *port2adr(port) = value; -} - -void se7206_insb(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - __u8 *ap = addr; - - while (count--) - *ap++ = *p; -} - -void se7206_insw(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - __u16 *ap = addr; - while (count--) - *ap++ = *p; -} - -void se7206_outsb(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - const __u8 *ap = addr; - - while (count--) - *p = *ap++; -} - -void se7206_outsw(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - const __u16 *ap = addr; - while (count--) - *p = *ap++; -} diff --git a/arch/sh/boards/mach-se/7206/irq.c b/arch/sh/boards/mach-se/7206/irq.c index 883b21eacaa..d961949600f 100644 --- a/arch/sh/boards/mach-se/7206/irq.c +++ b/arch/sh/boards/mach-se/7206/irq.c @@ -139,11 +139,13 @@ void __init init_se7206_IRQ(void) make_se7206_irq(IRQ0_IRQ); /* SMC91C111 */ make_se7206_irq(IRQ1_IRQ); /* ATA */ make_se7206_irq(IRQ3_IRQ); /* SLOT / PCM */ - __raw_writew(inw(INTC_ICR1) | 0x000b ,INTC_ICR1 ) ; /* ICR1 */ + + __raw_writew(__raw_readw(INTC_ICR1) | 0x000b, INTC_ICR); /* ICR1 */ /* FPGA System register setup*/ __raw_writew(0x0000,INTSTS0); /* Clear INTSTS0 */ __raw_writew(0x0000,INTSTS1); /* Clear INTSTS1 */ + /* IRQ0=LAN, IRQ1=ATA, IRQ3=SLT,PCM */ __raw_writew(0x0001,INTSEL); } diff --git a/arch/sh/boards/mach-se/7206/setup.c b/arch/sh/boards/mach-se/7206/setup.c index 8f5c65d43d1..7f4871c71a0 100644 --- a/arch/sh/boards/mach-se/7206/setup.c +++ b/arch/sh/boards/mach-se/7206/setup.c @@ -86,20 +86,5 @@ __initcall(se7206_devices_setup); static struct sh_machine_vector mv_se __initmv = { .mv_name = "SolutionEngine", .mv_nr_irqs = 256, - .mv_inb = se7206_inb, - .mv_inw = se7206_inw, - .mv_outb = se7206_outb, - .mv_outw = se7206_outw, - - .mv_inb_p = se7206_inb_p, - .mv_inw_p = se7206_inw, - .mv_outb_p = se7206_outb_p, - .mv_outw_p = se7206_outw, - - .mv_insb = se7206_insb, - .mv_insw = se7206_insw, - .mv_outsb = se7206_outsb, - .mv_outsw = se7206_outsw, - .mv_init_irq = init_se7206_IRQ, }; diff --git a/arch/sh/boards/mach-se/770x/Makefile b/arch/sh/boards/mach-se/770x/Makefile index 8e624b06d5e..43ea14feef5 100644 --- a/arch/sh/boards/mach-se/770x/Makefile +++ b/arch/sh/boards/mach-se/770x/Makefile @@ -2,4 +2,4 @@ # Makefile for the 770x SolutionEngine specific parts of the kernel # -obj-y := setup.o io.o irq.o +obj-y := setup.o irq.o diff --git a/arch/sh/boards/mach-se/770x/io.c b/arch/sh/boards/mach-se/770x/io.c deleted file mode 100644 index 28833c8786e..00000000000 --- a/arch/sh/boards/mach-se/770x/io.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Copyright (C) 2000 Kazumoto Kojima - * - * I/O routine for Hitachi SolutionEngine. - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/io.h> -#include <mach-se/mach/se.h> - -/* MS7750 requires special versions of in*, out* routines, since - PC-like io ports are located at upper half byte of 16-bit word which - can be accessed only with 16-bit wide. */ - -static inline volatile __u16 * -port2adr(unsigned int port) -{ - if (port & 0xff000000) - return ( volatile __u16 *) port; - if (port >= 0x2000) - return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); - else if (port >= 0x1000) - return (volatile __u16 *) (PA_83902 + (port << 1)); - else - return (volatile __u16 *) (PA_SUPERIO + (port << 1)); -} - -static inline int -shifted_port(unsigned long port) -{ - /* For IDE registers, value is not shifted */ - if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) - return 0; - else - return 1; -} - -unsigned char se_inb(unsigned long port) -{ - if (shifted_port(port)) - return (*port2adr(port) >> 8); - else - return (*port2adr(port))&0xff; -} - -unsigned char se_inb_p(unsigned long port) -{ - unsigned long v; - - if (shifted_port(port)) - v = (*port2adr(port) >> 8); - else - v = (*port2adr(port))&0xff; - ctrl_delay(); - return v; -} - -unsigned short se_inw(unsigned long port) -{ - if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(port); - return 0; -} - -unsigned int se_inl(unsigned long port) -{ - maybebadio(port); - return 0; -} - -void se_outb(unsigned char value, unsigned long port) -{ - if (shifted_port(port)) - *(port2adr(port)) = value << 8; - else - *(port2adr(port)) = value; -} - -void se_outb_p(unsigned char value, unsigned long port) -{ - if (shifted_port(port)) - *(port2adr(port)) = value << 8; - else - *(port2adr(port)) = value; - ctrl_delay(); -} - -void se_outw(unsigned short value, unsigned long port) -{ - if (port >= 0x2000) - *port2adr(port) = value; - else - maybebadio(port); -} - -void se_outl(unsigned int value, unsigned long port) -{ - maybebadio(port); -} - -void se_insb(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - __u8 *ap = addr; - - if (shifted_port(port)) { - while (count--) - *ap++ = *p >> 8; - } else { - while (count--) - *ap++ = *p; - } -} - -void se_insw(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - __u16 *ap = addr; - while (count--) - *ap++ = *p; -} - -void se_insl(unsigned long port, void *addr, unsigned long count) -{ - maybebadio(port); -} - -void se_outsb(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - const __u8 *ap = addr; - - if (shifted_port(port)) { - while (count--) - *p = *ap++ << 8; - } else { - while (count--) - *p = *ap++; - } -} - -void se_outsw(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - const __u16 *ap = addr; - - while (count--) - *p = *ap++; -} - -void se_outsl(unsigned long port, const void *addr, unsigned long count) -{ - maybebadio(port); -} diff --git a/arch/sh/boards/mach-se/770x/setup.c b/arch/sh/boards/mach-se/770x/setup.c index 66d39d1b090..31330c65c0c 100644 --- a/arch/sh/boards/mach-se/770x/setup.c +++ b/arch/sh/boards/mach-se/770x/setup.c @@ -195,27 +195,5 @@ static struct sh_machine_vector mv_se __initmv = { #elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) .mv_nr_irqs = 104, #endif - - .mv_inb = se_inb, - .mv_inw = se_inw, - .mv_inl = se_inl, - .mv_outb = se_outb, - .mv_outw = se_outw, - .mv_outl = se_outl, - - .mv_inb_p = se_inb_p, - .mv_inw_p = se_inw, - .mv_inl_p = se_inl, - .mv_outb_p = se_outb_p, - .mv_outw_p = se_outw, - .mv_outl_p = se_outl, - - .mv_insb = se_insb, - .mv_insw = se_insw, - .mv_insl = se_insl, - .mv_outsb = se_outsb, - .mv_outsw = se_outsw, - .mv_outsl = se_outsl, - .mv_init_irq = init_se_IRQ, }; diff --git a/arch/sh/boards/mach-se/7751/Makefile b/arch/sh/boards/mach-se/7751/Makefile index e6f4341bfe6..a338fd9d503 100644 --- a/arch/sh/boards/mach-se/7751/Makefile +++ b/arch/sh/boards/mach-se/7751/Makefile @@ -2,4 +2,4 @@ # Makefile for the 7751 SolutionEngine specific parts of the kernel # -obj-y := setup.o io.o irq.o +obj-y := setup.o irq.o diff --git a/arch/sh/boards/mach-se/7751/io.c b/arch/sh/boards/mach-se/7751/io.c deleted file mode 100644 index 6e75bd4459e..00000000000 --- a/arch/sh/boards/mach-se/7751/io.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routine for Hitachi 7751 SolutionEngine. - * - * Initial version only to support LAN access; some - * placeholder code from io_se.c left in with the - * expectation of later SuperIO and PCMCIA access. - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <asm/io.h> -#include <mach-se/mach/se7751.h> -#include <asm/addrspace.h> - -static inline volatile u16 *port2adr(unsigned int port) -{ - if (port >= 0x2000) - return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); - maybebadio((unsigned long)port); - return (volatile __u16*)port; -} - -/* - * General outline: remap really low stuff [eventually] to SuperIO, - * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) - * is mapped through the PCI IO window. Stuff with high bits (PXSEG) - * should be way beyond the window, and is used w/o translation for - * compatibility. - */ -unsigned char sh7751se_inb(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned char *)port; - else - return (*port2adr(port)) & 0xff; -} - -unsigned char sh7751se_inb_p(unsigned long port) -{ - unsigned char v; - - if (PXSEG(port)) - v = *(volatile unsigned char *)port; - else - v = (*port2adr(port)) & 0xff; - ctrl_delay(); - return v; -} - -unsigned short sh7751se_inw(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned short *)port; - else if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(port); - return 0; -} - -unsigned int sh7751se_inl(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned long *)port; - else if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(port); - return 0; -} - -void sh7751se_outb(unsigned char value, unsigned long port) -{ - - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else - *(port2adr(port)) = value; -} - -void sh7751se_outb_p(unsigned char value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else - *(port2adr(port)) = value; - ctrl_delay(); -} - -void sh7751se_outw(unsigned short value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned short *)port = value; - else if (port >= 0x2000) - *port2adr(port) = value; - else - maybebadio(port); -} - -void sh7751se_outl(unsigned int value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned long *)port = value; - else - maybebadio(port); -} - -void sh7751se_insl(unsigned long port, void *addr, unsigned long count) -{ - maybebadio(port); -} - -void sh7751se_outsl(unsigned long port, const void *addr, unsigned long count) -{ - maybebadio(port); -} diff --git a/arch/sh/boards/mach-se/7751/setup.c b/arch/sh/boards/mach-se/7751/setup.c index 50572512e3e..9fbc51beb18 100644 --- a/arch/sh/boards/mach-se/7751/setup.c +++ b/arch/sh/boards/mach-se/7751/setup.c @@ -56,23 +56,5 @@ __initcall(se7751_devices_setup); static struct sh_machine_vector mv_7751se __initmv = { .mv_name = "7751 SolutionEngine", .mv_nr_irqs = 72, - - .mv_inb = sh7751se_inb, - .mv_inw = sh7751se_inw, - .mv_inl = sh7751se_inl, - .mv_outb = sh7751se_outb, - .mv_outw = sh7751se_outw, - .mv_outl = sh7751se_outl, - - .mv_inb_p = sh7751se_inb_p, - .mv_inw_p = sh7751se_inw, - .mv_inl_p = sh7751se_inl, - .mv_outb_p = sh7751se_outb_p, - .mv_outw_p = sh7751se_outw, - .mv_outl_p = sh7751se_outl, - - .mv_insl = sh7751se_insl, - .mv_outsl = sh7751se_outsl, - .mv_init_irq = init_7751se_IRQ, }; diff --git a/arch/sh/boards/mach-snapgear/Makefile b/arch/sh/boards/mach-snapgear/Makefile deleted file mode 100644 index d2d2f4b6a50..00000000000 --- a/arch/sh/boards/mach-snapgear/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the SnapGear specific parts of the kernel -# - -obj-y := setup.o io.o diff --git a/arch/sh/boards/mach-snapgear/io.c b/arch/sh/boards/mach-snapgear/io.c deleted file mode 100644 index 476650e42db..00000000000 --- a/arch/sh/boards/mach-snapgear/io.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright (C) 2002 David McCullough <davidm@snapgear.com> - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routine for Hitachi 7751 SolutionEngine. - * - * Initial version only to support LAN access; some - * placeholder code from io_se.c left in with the - * expectation of later SuperIO and PCMCIA access. - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <asm/io.h> -#include <asm/addrspace.h> - -#ifdef CONFIG_SH_SECUREEDGE5410 -unsigned short secureedge5410_ioport; -#endif - -static inline volatile __u16 *port2adr(unsigned int port) -{ - maybebadio((unsigned long)port); - return (volatile __u16*)port; -} - -/* - * General outline: remap really low stuff [eventually] to SuperIO, - * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) - * is mapped through the PCI IO window. Stuff with high bits (PXSEG) - * should be way beyond the window, and is used w/o translation for - * compatibility. - */ -unsigned char snapgear_inb(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned char *)port; - else - return (*port2adr(port)) & 0xff; -} - -unsigned char snapgear_inb_p(unsigned long port) -{ - unsigned char v; - - if (PXSEG(port)) - v = *(volatile unsigned char *)port; - else - v = (*port2adr(port))&0xff; - ctrl_delay(); - return v; -} - -unsigned short snapgear_inw(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned short *)port; - else if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(port); - return 0; -} - -unsigned int snapgear_inl(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned long *)port; - else if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(port); - return 0; -} - -void snapgear_outb(unsigned char value, unsigned long port) -{ - - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else - *(port2adr(port)) = value; -} - -void snapgear_outb_p(unsigned char value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else - *(port2adr(port)) = value; - ctrl_delay(); -} - -void snapgear_outw(unsigned short value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned short *)port = value; - else if (port >= 0x2000) - *port2adr(port) = value; - else - maybebadio(port); -} - -void snapgear_outl(unsigned int value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned long *)port = value; - else - maybebadio(port); -} - -void snapgear_insl(unsigned long port, void *addr, unsigned long count) -{ - maybebadio(port); -} - -void snapgear_outsl(unsigned long port, const void *addr, unsigned long count) -{ - maybebadio(port); -} diff --git a/arch/sh/boards/mach-systemh/Makefile b/arch/sh/boards/mach-systemh/Makefile deleted file mode 100644 index 2cc6a23d9d3..00000000000 --- a/arch/sh/boards/mach-systemh/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -# -# Makefile for the SystemH specific parts of the kernel -# - -obj-y := setup.o irq.o io.o - -# XXX: This wants to be consolidated in arch/sh/drivers/pci, and more -# importantly, with the generic sh7751_pcic_init() code. For now, we'll -# just abuse the hell out of kbuild, because we can.. - -obj-$(CONFIG_PCI) += pci.o -pci-y := ../../se/7751/pci.o - diff --git a/arch/sh/boards/mach-systemh/io.c b/arch/sh/boards/mach-systemh/io.c deleted file mode 100644 index 15577ff1f71..00000000000 --- a/arch/sh/boards/mach-systemh/io.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * linux/arch/sh/boards/renesas/systemh/io.c - * - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routine for Hitachi 7751 Systemh. - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <mach/systemh7751.h> -#include <asm/addrspace.h> -#include <asm/io.h> - -#define ETHER_IOMAP(adr) (0xB3000000 + (adr)) /*map to 16bits access area - of smc lan chip*/ -static inline volatile __u16 * -port2adr(unsigned int port) -{ - if (port >= 0x2000) - return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); - maybebadio((unsigned long)port); - return (volatile __u16*)port; -} - -/* - * General outline: remap really low stuff [eventually] to SuperIO, - * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) - * is mapped through the PCI IO window. Stuff with high bits (PXSEG) - * should be way beyond the window, and is used w/o translation for - * compatibility. - */ -unsigned char sh7751systemh_inb(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned char *)port; - else if (port <= 0x3F1) - return *(volatile unsigned char *)ETHER_IOMAP(port); - else - return (*port2adr(port))&0xff; -} - -unsigned char sh7751systemh_inb_p(unsigned long port) -{ - unsigned char v; - - if (PXSEG(port)) - v = *(volatile unsigned char *)port; - else if (port <= 0x3F1) - v = *(volatile unsigned char *)ETHER_IOMAP(port); - else - v = (*port2adr(port))&0xff; - ctrl_delay(); - return v; -} - -unsigned short sh7751systemh_inw(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned short *)port; - else if (port >= 0x2000) - return *port2adr(port); - else if (port <= 0x3F1) - return *(volatile unsigned int *)ETHER_IOMAP(port); - else - maybebadio(port); - return 0; -} - -unsigned int sh7751systemh_inl(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned long *)port; - else if (port >= 0x2000) - return *port2adr(port); - else if (port <= 0x3F1) - return *(volatile unsigned int *)ETHER_IOMAP(port); - else - maybebadio(port); - return 0; -} - -void sh7751systemh_outb(unsigned char value, unsigned long port) -{ - - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else if (port <= 0x3F1) - *(volatile unsigned char *)ETHER_IOMAP(port) = value; - else - *(port2adr(port)) = value; -} - -void sh7751systemh_outb_p(unsigned char value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else if (port <= 0x3F1) - *(volatile unsigned char *)ETHER_IOMAP(port) = value; - else - *(port2adr(port)) = value; - ctrl_delay(); -} - -void sh7751systemh_outw(unsigned short value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned short *)port = value; - else if (port >= 0x2000) - *port2adr(port) = value; - else if (port <= 0x3F1) - *(volatile unsigned short *)ETHER_IOMAP(port) = value; - else - maybebadio(port); -} - -void sh7751systemh_outl(unsigned int value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned long *)port = value; - else - maybebadio(port); -} - -void sh7751systemh_insb(unsigned long port, void *addr, unsigned long count) -{ - unsigned char *p = addr; - while (count--) *p++ = sh7751systemh_inb(port); -} - -void sh7751systemh_insw(unsigned long port, void *addr, unsigned long count) -{ - unsigned short *p = addr; - while (count--) *p++ = sh7751systemh_inw(port); -} - -void sh7751systemh_insl(unsigned long port, void *addr, unsigned long count) -{ - maybebadio(port); -} - -void sh7751systemh_outsb(unsigned long port, const void *addr, unsigned long count) -{ - unsigned char *p = (unsigned char*)addr; - while (count--) sh7751systemh_outb(*p++, port); -} - -void sh7751systemh_outsw(unsigned long port, const void *addr, unsigned long count) -{ - unsigned short *p = (unsigned short*)addr; - while (count--) sh7751systemh_outw(*p++, port); -} - -void sh7751systemh_outsl(unsigned long port, const void *addr, unsigned long count) -{ - maybebadio(port); -} diff --git a/arch/sh/boards/mach-systemh/irq.c b/arch/sh/boards/mach-systemh/irq.c deleted file mode 100644 index e5ee13adeff..00000000000 --- a/arch/sh/boards/mach-systemh/irq.c +++ /dev/null @@ -1,61 +0,0 @@ -/* - * linux/arch/sh/boards/renesas/systemh/irq.c - * - * Copyright (C) 2000 Kazumoto Kojima - * - * Hitachi SystemH Support. - * - * Modified for 7751 SystemH by - * Jonathan Short. - */ - -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/io.h> - -#include <mach/systemh7751.h> -#include <asm/smc37c93x.h> - -/* address of external interrupt mask register - * address must be set prior to use these (maybe in init_XXX_irq()) - * XXX : is it better to use .config than specifying it in code? */ -static unsigned long *systemh_irq_mask_register = (unsigned long *)0xB3F10004; -static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000; - -static void disable_systemh_irq(struct irq_data *data) -{ - unsigned long val, mask = 0x01 << 1; - - /* Clear the "irq"th bit in the mask and set it in the request */ - val = __raw_readl((unsigned long)systemh_irq_mask_register); - val &= ~mask; - __raw_writel(val, (unsigned long)systemh_irq_mask_register); - - val = __raw_readl((unsigned long)systemh_irq_request_register); - val |= mask; - __raw_writel(val, (unsigned long)systemh_irq_request_register); -} - -static void enable_systemh_irq(struct irq_data *data) -{ - unsigned long val, mask = 0x01 << 1; - - /* Set "irq"th bit in the mask register */ - val = __raw_readl((unsigned long)systemh_irq_mask_register); - val |= mask; - __raw_writel(val, (unsigned long)systemh_irq_mask_register); -} - -static struct irq_chip systemh_irq_type = { - .name = "SystemH Register", - .irq_unmask = enable_systemh_irq, - .irq_mask = disable_systemh_irq, -}; - -void make_systemh_irq(unsigned int irq) -{ - disable_irq_nosync(irq); - set_irq_chip_and_handler(irq, &systemh_irq_type, handle_level_irq); - disable_systemh_irq(irq_get_irq_data(irq)); -} diff --git a/arch/sh/boards/mach-systemh/setup.c b/arch/sh/boards/mach-systemh/setup.c deleted file mode 100644 index 219fd800a43..00000000000 --- a/arch/sh/boards/mach-systemh/setup.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * linux/arch/sh/boards/renesas/systemh/setup.c - * - * Copyright (C) 2000 Kazumoto Kojima - * Copyright (C) 2003 Paul Mundt - * - * Hitachi SystemH Support. - * - * Modified for 7751 SystemH by Jonathan Short. - * - * Rewritten for 2.6 by Paul Mundt. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/init.h> -#include <asm/machvec.h> -#include <mach/systemh7751.h> - -extern void make_systemh_irq(unsigned int irq); - -/* - * Initialize IRQ setting - */ -static void __init sh7751systemh_init_irq(void) -{ - make_systemh_irq(0xb); /* Ethernet interrupt */ -} - -static struct sh_machine_vector mv_7751systemh __initmv = { - .mv_name = "7751 SystemH", - .mv_nr_irqs = 72, - - .mv_inb = sh7751systemh_inb, - .mv_inw = sh7751systemh_inw, - .mv_inl = sh7751systemh_inl, - .mv_outb = sh7751systemh_outb, - .mv_outw = sh7751systemh_outw, - .mv_outl = sh7751systemh_outl, - - .mv_inb_p = sh7751systemh_inb_p, - .mv_inw_p = sh7751systemh_inw, - .mv_inl_p = sh7751systemh_inl, - .mv_outb_p = sh7751systemh_outb_p, - .mv_outw_p = sh7751systemh_outw, - .mv_outl_p = sh7751systemh_outl, - - .mv_insb = sh7751systemh_insb, - .mv_insw = sh7751systemh_insw, - .mv_insl = sh7751systemh_insl, - .mv_outsb = sh7751systemh_outsb, - .mv_outsw = sh7751systemh_outsw, - .mv_outsl = sh7751systemh_outsl, - - .mv_init_irq = sh7751systemh_init_irq, -}; diff --git a/arch/sh/configs/snapgear_defconfig b/arch/sh/configs/secureedge5410_defconfig index 7eae4e59d7f..7eae4e59d7f 100644 --- a/arch/sh/configs/snapgear_defconfig +++ b/arch/sh/configs/secureedge5410_defconfig diff --git a/arch/sh/configs/systemh_defconfig b/arch/sh/configs/systemh_defconfig deleted file mode 100644 index b58dfc505ef..00000000000 --- a/arch/sh/configs/systemh_defconfig +++ /dev/null @@ -1,28 +0,0 @@ -CONFIG_EXPERIMENTAL=y -CONFIG_LOG_BUF_SHIFT=14 -CONFIG_BLK_DEV_INITRD=y -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -# CONFIG_SYSCTL_SYSCALL is not set -# CONFIG_HOTPLUG is not set -CONFIG_SLAB=y -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -# CONFIG_BLK_DEV_BSG is not set -CONFIG_CPU_SUBTYPE_SH7751R=y -CONFIG_MEMORY_START=0x0c000000 -CONFIG_MEMORY_SIZE=0x00400000 -CONFIG_FLATMEM_MANUAL=y -CONFIG_SH_7751_SYSTEMH=y -CONFIG_PREEMPT=y -# CONFIG_STANDALONE is not set -CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_SIZE=1024 -# CONFIG_INPUT is not set -# CONFIG_SERIO_SERPORT is not set -# CONFIG_VT is not set -CONFIG_HW_RANDOM=y -CONFIG_PROC_KCORE=y -CONFIG_TMPFS=y -CONFIG_CRAMFS=y -CONFIG_ROMFS_FS=y -# CONFIG_RCU_CPU_STALL_DETECTOR is not set diff --git a/arch/sh/include/asm/addrspace.h b/arch/sh/include/asm/addrspace.h index 446b3831c21..3d1ae2bfaa6 100644 --- a/arch/sh/include/asm/addrspace.h +++ b/arch/sh/include/asm/addrspace.h @@ -44,10 +44,10 @@ /* * These will never work in 32-bit, don't even bother. */ -#define P1SEGADDR(a) __futile_remapping_attempt -#define P2SEGADDR(a) __futile_remapping_attempt -#define P3SEGADDR(a) __futile_remapping_attempt -#define P4SEGADDR(a) __futile_remapping_attempt +#define P1SEGADDR(a) ({ (void)(a); BUG(); NULL; }) +#define P2SEGADDR(a) ({ (void)(a); BUG(); NULL; }) +#define P3SEGADDR(a) ({ (void)(a); BUG(); NULL; }) +#define P4SEGADDR(a) ({ (void)(a); BUG(); NULL; }) #endif #endif /* P1SEG */ diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h index a15f1058bbf..083ea068e81 100644 --- a/arch/sh/include/asm/pgtable.h +++ b/arch/sh/include/asm/pgtable.h @@ -66,7 +66,6 @@ static inline unsigned long long neff_sign_extend(unsigned long val) #define PHYS_ADDR_MASK29 0x1fffffff #define PHYS_ADDR_MASK32 0xffffffff -#ifdef CONFIG_PMB static inline unsigned long phys_addr_mask(void) { /* Is the MMU in 29bit mode? */ @@ -75,17 +74,6 @@ static inline unsigned long phys_addr_mask(void) return PHYS_ADDR_MASK32; } -#elif defined(CONFIG_32BIT) -static inline unsigned long phys_addr_mask(void) -{ - return PHYS_ADDR_MASK32; -} -#else -static inline unsigned long phys_addr_mask(void) -{ - return PHYS_ADDR_MASK29; -} -#endif #define PTE_PHYS_MASK (phys_addr_mask() & PAGE_MASK) #define PTE_FLAGS_MASK (~(PTE_PHYS_MASK) << PAGE_SHIFT) diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h index 1f1af5afff0..10c8b1823a1 100644 --- a/arch/sh/include/asm/system.h +++ b/arch/sh/include/asm/system.h @@ -10,6 +10,7 @@ #include <linux/compiler.h> #include <linux/linkage.h> #include <asm/types.h> +#include <asm/uncached.h> #define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */ @@ -137,9 +138,6 @@ extern unsigned int instruction_size(unsigned int insn); #define instruction_size(insn) (4) #endif -extern unsigned long cached_to_uncached; -extern unsigned long uncached_size; - void per_cpu_trap_init(void); void default_idle(void); void cpu_idle_wait(void); diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h index c941b273940..a4ad1cd9bc4 100644 --- a/arch/sh/include/asm/system_32.h +++ b/arch/sh/include/asm/system_32.h @@ -145,42 +145,6 @@ do { \ __restore_dsp(prev); \ } while (0) -/* - * Jump to uncached area. - * When handling TLB or caches, we need to do it from an uncached area. - */ -#define jump_to_uncached() \ -do { \ - unsigned long __dummy; \ - \ - __asm__ __volatile__( \ - "mova 1f, %0\n\t" \ - "add %1, %0\n\t" \ - "jmp @%0\n\t" \ - " nop\n\t" \ - ".balign 4\n" \ - "1:" \ - : "=&z" (__dummy) \ - : "r" (cached_to_uncached)); \ -} while (0) - -/* - * Back to cached area. - */ -#define back_to_cached() \ -do { \ - unsigned long __dummy; \ - ctrl_barrier(); \ - __asm__ __volatile__( \ - "mov.l 1f, %0\n\t" \ - "jmp @%0\n\t" \ - " nop\n\t" \ - ".balign 4\n" \ - "1: .long 2f\n" \ - "2:" \ - : "=&r" (__dummy)); \ -} while (0) - #ifdef CONFIG_CPU_HAS_SR_RB #define lookup_exception_vector() \ ({ \ diff --git a/arch/sh/include/asm/system_64.h b/arch/sh/include/asm/system_64.h index 36338646dfc..8593bc8d1a4 100644 --- a/arch/sh/include/asm/system_64.h +++ b/arch/sh/include/asm/system_64.h @@ -34,9 +34,6 @@ do { \ &next->thread); \ } while (0) -#define jump_to_uncached() do { } while (0) -#define back_to_cached() do { } while (0) - #define __icbi(addr) __asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr)) #define __ocbp(addr) __asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr)) #define __ocbi(addr) __asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr)) diff --git a/arch/sh/include/asm/uncached.h b/arch/sh/include/asm/uncached.h index e3419f96626..6f8816b79cf 100644 --- a/arch/sh/include/asm/uncached.h +++ b/arch/sh/include/asm/uncached.h @@ -4,15 +4,55 @@ #include <linux/bug.h> #ifdef CONFIG_UNCACHED_MAPPING +extern unsigned long cached_to_uncached; +extern unsigned long uncached_size; extern unsigned long uncached_start, uncached_end; extern int virt_addr_uncached(unsigned long kaddr); extern void uncached_init(void); extern void uncached_resize(unsigned long size); + +/* + * Jump to uncached area. + * When handling TLB or caches, we need to do it from an uncached area. + */ +#define jump_to_uncached() \ +do { \ + unsigned long __dummy; \ + \ + __asm__ __volatile__( \ + "mova 1f, %0\n\t" \ + "add %1, %0\n\t" \ + "jmp @%0\n\t" \ + " nop\n\t" \ + ".balign 4\n" \ + "1:" \ + : "=&z" (__dummy) \ + : "r" (cached_to_uncached)); \ +} while (0) + +/* + * Back to cached area. + */ +#define back_to_cached() \ +do { \ + unsigned long __dummy; \ + ctrl_barrier(); \ + __asm__ __volatile__( \ + "mov.l 1f, %0\n\t" \ + "jmp @%0\n\t" \ + " nop\n\t" \ + ".balign 4\n" \ + "1: .long 2f\n" \ + "2:" \ + : "=&r" (__dummy)); \ +} while (0) #else #define virt_addr_uncached(kaddr) (0) #define uncached_init() do { } while (0) #define uncached_resize(size) BUG() +#define jump_to_uncached() do { } while (0) +#define back_to_cached() do { } while (0) #endif #endif /* __ASM_SH_UNCACHED_H */ diff --git a/arch/sh/include/mach-common/mach/edosk7705.h b/arch/sh/include/mach-common/mach/edosk7705.h deleted file mode 100644 index efc43b32346..00000000000 --- a/arch/sh/include/mach-common/mach/edosk7705.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __ASM_SH_EDOSK7705_H -#define __ASM_SH_EDOSK7705_H - -#define __IO_PREFIX sh_edosk7705 -#include <asm/io_generic.h> - -#endif /* __ASM_SH_EDOSK7705_H */ diff --git a/arch/sh/include/mach-common/mach/microdev.h b/arch/sh/include/mach-common/mach/microdev.h index 1aed15856e1..dcb05fa8c16 100644 --- a/arch/sh/include/mach-common/mach/microdev.h +++ b/arch/sh/include/mach-common/mach/microdev.h @@ -68,13 +68,4 @@ extern void microdev_print_fpga_intc_status(void); #define __IO_PREFIX microdev #include <asm/io_generic.h> -#if defined(CONFIG_PCI) -unsigned char microdev_pci_inb(unsigned long port); -unsigned short microdev_pci_inw(unsigned long port); -unsigned long microdev_pci_inl(unsigned long port); -void microdev_pci_outb(unsigned char data, unsigned long port); -void microdev_pci_outw(unsigned short data, unsigned long port); -void microdev_pci_outl(unsigned long data, unsigned long port); -#endif - #endif /* __ASM_SH_MICRODEV_H */ diff --git a/arch/sh/include/mach-common/mach/snapgear.h b/arch/sh/include/mach-common/mach/secureedge5410.h index 042d95f51c4..3653b9a4bac 100644 --- a/arch/sh/include/mach-common/mach/snapgear.h +++ b/arch/sh/include/mach-common/mach/secureedge5410.h @@ -12,30 +12,9 @@ #ifndef _ASM_SH_IO_SNAPGEAR_H #define _ASM_SH_IO_SNAPGEAR_H -#if defined(CONFIG_CPU_SH4) -/* - * The external interrupt lines, these take up ints 0 - 15 inclusive - * depending on the priority for the interrupt. In fact the priority - * is the interrupt :-) - */ - -#define IRL0_IRQ 2 -#define IRL0_PRIORITY 13 - -#define IRL1_IRQ 5 -#define IRL1_PRIORITY 10 - -#define IRL2_IRQ 8 -#define IRL2_PRIORITY 7 - -#define IRL3_IRQ 11 -#define IRL3_PRIORITY 4 -#endif - #define __IO_PREFIX snapgear #include <asm/io_generic.h> -#ifdef CONFIG_SH_SECUREEDGE5410 /* * We need to remember what was written to the ioport as some bits * are shared with other functions and you cannot read back what was @@ -66,6 +45,5 @@ extern unsigned short secureedge5410_ioport; ((secureedge5410_ioport & ~(mask)) | ((val) & (mask))))) #define SECUREEDGE_READ_IOPORT() \ ((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817)) -#endif #endif /* _ASM_SH_IO_SNAPGEAR_H */ diff --git a/arch/sh/include/mach-common/mach/systemh7751.h b/arch/sh/include/mach-common/mach/systemh7751.h deleted file mode 100644 index 4161122c84e..00000000000 --- a/arch/sh/include/mach-common/mach/systemh7751.h +++ /dev/null @@ -1,71 +0,0 @@ -#ifndef __ASM_SH_SYSTEMH_7751SYSTEMH_H -#define __ASM_SH_SYSTEMH_7751SYSTEMH_H - -/* - * linux/include/asm-sh/systemh/7751systemh.h - * - * Copyright (C) 2000 Kazumoto Kojima - * - * Hitachi SystemH support - - * Modified for 7751 SystemH by - * Jonathan Short, 2002. - */ - -/* Box specific addresses. */ - -#define PA_ROM 0x00000000 /* EPROM */ -#define PA_ROM_SIZE 0x00400000 /* EPROM size 4M byte */ -#define PA_FROM 0x01000000 /* EPROM */ -#define PA_FROM_SIZE 0x00400000 /* EPROM size 4M byte */ -#define PA_EXT1 0x04000000 -#define PA_EXT1_SIZE 0x04000000 -#define PA_EXT2 0x08000000 -#define PA_EXT2_SIZE 0x04000000 -#define PA_SDRAM 0x0c000000 -#define PA_SDRAM_SIZE 0x04000000 - -#define PA_EXT4 0x12000000 -#define PA_EXT4_SIZE 0x02000000 -#define PA_EXT5 0x14000000 -#define PA_EXT5_SIZE 0x04000000 -#define PA_PCIC 0x18000000 /* MR-SHPC-01 PCMCIA */ - -#define PA_DIPSW0 0xb9000000 /* Dip switch 5,6 */ -#define PA_DIPSW1 0xb9000002 /* Dip switch 7,8 */ -#define PA_LED 0xba000000 /* LED */ -#define PA_BCR 0xbb000000 /* FPGA on the MS7751SE01 */ - -#define PA_MRSHPC 0xb83fffe0 /* MR-SHPC-01 PCMCIA controller */ -#define PA_MRSHPC_MW1 0xb8400000 /* MR-SHPC-01 memory window base */ -#define PA_MRSHPC_MW2 0xb8500000 /* MR-SHPC-01 attribute window base */ -#define PA_MRSHPC_IO 0xb8600000 /* MR-SHPC-01 I/O window base */ -#define MRSHPC_MODE (PA_MRSHPC + 4) -#define MRSHPC_OPTION (PA_MRSHPC + 6) -#define MRSHPC_CSR (PA_MRSHPC + 8) -#define MRSHPC_ISR (PA_MRSHPC + 10) -#define MRSHPC_ICR (PA_MRSHPC + 12) -#define MRSHPC_CPWCR (PA_MRSHPC + 14) -#define MRSHPC_MW0CR1 (PA_MRSHPC + 16) -#define MRSHPC_MW1CR1 (PA_MRSHPC + 18) -#define MRSHPC_IOWCR1 (PA_MRSHPC + 20) -#define MRSHPC_MW0CR2 (PA_MRSHPC + 22) -#define MRSHPC_MW1CR2 (PA_MRSHPC + 24) -#define MRSHPC_IOWCR2 (PA_MRSHPC + 26) -#define MRSHPC_CDCR (PA_MRSHPC + 28) -#define MRSHPC_PCIC_INFO (PA_MRSHPC + 30) - -#define BCR_ILCRA (PA_BCR + 0) -#define BCR_ILCRB (PA_BCR + 2) -#define BCR_ILCRC (PA_BCR + 4) -#define BCR_ILCRD (PA_BCR + 6) -#define BCR_ILCRE (PA_BCR + 8) -#define BCR_ILCRF (PA_BCR + 10) -#define BCR_ILCRG (PA_BCR + 12) - -#define IRQ_79C973 13 - -#define __IO_PREFIX sh7751systemh -#include <asm/io_generic.h> - -#endif /* __ASM_SH_SYSTEMH_7751SYSTEMH_H */ diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c index 2d9700c6b53..0fe2e9329cb 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c @@ -48,7 +48,7 @@ static struct clk r_clk = { * Default rate for the root input clock, reset this with clk_set_rate() * from the platform code. */ -struct clk extal_clk = { +static struct clk extal_clk = { .rate = 33333333, }; @@ -111,7 +111,7 @@ static struct clk div3_clk = { .parent = &pll_clk, }; -struct clk *main_clks[] = { +static struct clk *main_clks[] = { &r_clk, &extal_clk, &fll_clk, @@ -156,7 +156,7 @@ struct clk div4_clks[DIV4_NR] = { enum { DIV6_V, DIV6_FA, DIV6_FB, DIV6_I, DIV6_S, DIV6_NR }; -struct clk div6_clks[DIV6_NR] = { +static struct clk div6_clks[DIV6_NR] = { [DIV6_V] = SH_CLK_DIV6(&div3_clk, VCLKCR, 0), [DIV6_FA] = SH_CLK_DIV6(&div3_clk, FCLKACR, 0), [DIV6_FB] = SH_CLK_DIV6(&div3_clk, FCLKBCR, 0), diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 09370392aff..c3e61b36649 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -79,7 +79,7 @@ config 29BIT config 32BIT bool - default y if CPU_SH5 + default y if CPU_SH5 || !MMU config PMB bool "Support 32-bit physical addressing through PMB" diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index 03879328699..40733a95240 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -79,21 +79,20 @@ void dma_generic_free_coherent(struct device *dev, size_t size, void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { -#if defined(CONFIG_CPU_SH5) || defined(CONFIG_PMB) - void *p1addr = vaddr; -#else - void *p1addr = (void*) P1SEGADDR((unsigned long)vaddr); -#endif + void *addr; + + addr = __in_29bit_mode() ? + (void *)P1SEGADDR((unsigned long)vaddr) : vaddr; switch (direction) { case DMA_FROM_DEVICE: /* invalidate only */ - __flush_invalidate_region(p1addr, size); + __flush_invalidate_region(addr, size); break; case DMA_TO_DEVICE: /* writeback only */ - __flush_wback_region(p1addr, size); + __flush_wback_region(addr, size); break; case DMA_BIDIRECTIONAL: /* writeback and invalidate */ - __flush_purge_region(p1addr, size); + __flush_purge_region(addr, size); break; default: BUG(); diff --git a/arch/sh/mm/uncached.c b/arch/sh/mm/uncached.c index 8a4eca551fc..a7767da815e 100644 --- a/arch/sh/mm/uncached.c +++ b/arch/sh/mm/uncached.c @@ -28,7 +28,7 @@ EXPORT_SYMBOL(virt_addr_uncached); void __init uncached_init(void) { -#ifdef CONFIG_29BIT +#if defined(CONFIG_29BIT) || !defined(CONFIG_MMU) uncached_start = P2SEG; #else uncached_start = memory_end; diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types index 9f56eb97802..0e68465e7b5 100644 --- a/arch/sh/tools/mach-types +++ b/arch/sh/tools/mach-types @@ -26,7 +26,6 @@ HD64461 HD64461 7724SE SH_7724_SOLUTION_ENGINE 7751SE SH_7751_SOLUTION_ENGINE 7780SE SH_7780_SOLUTION_ENGINE -7751SYSTEMH SH_7751_SYSTEMH HP6XX SH_HP6XX DREAMCAST SH_DREAMCAST SNAPGEAR SH_SECUREEDGE5410 diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c index 7524689b03d..16582d85368 100644 --- a/arch/sparc/kernel/leon_smp.c +++ b/arch/sparc/kernel/leon_smp.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/threads.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/init.h> diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c index e6375a750d9..6db18c6927f 100644 --- a/arch/sparc/kernel/sys_sparc32.c +++ b/arch/sparc/kernel/sys_sparc32.c @@ -17,7 +17,6 @@ #include <linux/resource.h> #include <linux/times.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c index 675c9e11ada..42b282fa611 100644 --- a/arch/sparc/kernel/sys_sparc_32.c +++ b/arch/sparc/kernel/sys_sparc_32.c @@ -19,7 +19,6 @@ #include <linux/mman.h> #include <linux/utsname.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/ipc.h> #include <asm/uaccess.h> diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c index 12b9f352595..4491f4cb269 100644 --- a/arch/sparc/kernel/unaligned_32.c +++ b/arch/sparc/kernel/unaligned_32.c @@ -16,7 +16,6 @@ #include <asm/system.h> #include <asm/uaccess.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/perf_event.h> enum direction { diff --git a/arch/sparc/kernel/windows.c b/arch/sparc/kernel/windows.c index b351770cbdd..3107381e576 100644 --- a/arch/sparc/kernel/windows.c +++ b/arch/sparc/kernel/windows.c @@ -9,7 +9,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> diff --git a/arch/tile/include/asm/highmem.h b/arch/tile/include/asm/highmem.h index e0f7ee18672..b2a6c5de79a 100644 --- a/arch/tile/include/asm/highmem.h +++ b/arch/tile/include/asm/highmem.h @@ -23,7 +23,6 @@ #include <linux/interrupt.h> #include <linux/threads.h> -#include <asm/kmap_types.h> #include <asm/tlbflush.h> #include <asm/homecache.h> diff --git a/arch/tile/include/asm/kmap_types.h b/arch/tile/include/asm/kmap_types.h index 1480106d1c0..3d0f2024626 100644 --- a/arch/tile/include/asm/kmap_types.h +++ b/arch/tile/include/asm/kmap_types.h @@ -16,28 +16,42 @@ #define _ASM_TILE_KMAP_TYPES_H /* - * In TILE Linux each set of four of these uses another 16MB chunk of - * address space, given 64 tiles and 64KB pages, so we only enable - * ones that are required by the kernel configuration. + * In 32-bit TILE Linux we have to balance the desire to have a lot of + * nested atomic mappings with the fact that large page sizes and many + * processors chew up address space quickly. In a typical + * 64-processor, 64KB-page layout build, making KM_TYPE_NR one larger + * adds 4MB of required address-space. For now we leave KM_TYPE_NR + * set to depth 8. */ enum km_type { + KM_TYPE_NR = 8 +}; + +/* + * We provide dummy definitions of all the stray values that used to be + * required for kmap_atomic() and no longer are. + */ +enum { KM_BOUNCE_READ, KM_SKB_SUNRPC_DATA, KM_SKB_DATA_SOFTIRQ, KM_USER0, KM_USER1, KM_BIO_SRC_IRQ, + KM_BIO_DST_IRQ, + KM_PTE0, + KM_PTE1, KM_IRQ0, KM_IRQ1, KM_SOFTIRQ0, KM_SOFTIRQ1, - KM_MEMCPY0, - KM_MEMCPY1, -#if defined(CONFIG_HIGHPTE) - KM_PTE0, - KM_PTE1, -#endif - KM_TYPE_NR + KM_SYNC_ICACHE, + KM_SYNC_DCACHE, + KM_UML_USERCOPY, + KM_IRQ_PTE, + KM_NMI, + KM_NMI_PTE, + KM_KDB }; #endif /* _ASM_TILE_KMAP_TYPES_H */ diff --git a/arch/tile/include/asm/pgtable.h b/arch/tile/include/asm/pgtable.h index dc4ccdd855b..a6604e9485d 100644 --- a/arch/tile/include/asm/pgtable.h +++ b/arch/tile/include/asm/pgtable.h @@ -344,10 +344,8 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #define pgd_offset_k(address) pgd_offset(&init_mm, address) #if defined(CONFIG_HIGHPTE) -extern pte_t *_pte_offset_map(pmd_t *, unsigned long address, enum km_type); -#define pte_offset_map(dir, address) \ - _pte_offset_map(dir, address, KM_PTE0) -#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0) +extern pte_t *pte_offset_map(pmd_t *, unsigned long address); +#define pte_unmap(pte) kunmap_atomic(pte) #else #define pte_offset_map(dir, address) pte_offset_kernel(dir, address) #define pte_unmap(pte) do { } while (0) diff --git a/arch/tile/include/asm/stat.h b/arch/tile/include/asm/stat.h index 3dc90fa92c7..b16e5db8f0e 100644 --- a/arch/tile/include/asm/stat.h +++ b/arch/tile/include/asm/stat.h @@ -1 +1,4 @@ +#ifdef CONFIG_COMPAT +#define __ARCH_WANT_STAT64 /* Used for compat_sys_stat64() etc. */ +#endif #include <asm-generic/stat.h> diff --git a/arch/tile/include/asm/unistd.h b/arch/tile/include/asm/unistd.h index f2e3ff48533..b35c2db7119 100644 --- a/arch/tile/include/asm/unistd.h +++ b/arch/tile/include/asm/unistd.h @@ -41,6 +41,7 @@ __SYSCALL(__NR_cmpxchg_badaddr, sys_cmpxchg_badaddr) #ifdef CONFIG_COMPAT #define __ARCH_WANT_SYS_LLSEEK #endif +#define __ARCH_WANT_SYS_NEWFSTATAT #endif #endif /* _ASM_TILE_UNISTD_H */ diff --git a/arch/tile/kernel/compat.c b/arch/tile/kernel/compat.c index 77739cdd946..dbc213adf5e 100644 --- a/arch/tile/kernel/compat.c +++ b/arch/tile/kernel/compat.c @@ -21,7 +21,6 @@ #include <linux/kdev_t.h> #include <linux/fs.h> #include <linux/fcntl.h> -#include <linux/smp_lock.h> #include <linux/uaccess.h> #include <linux/signal.h> #include <asm/syscalls.h> @@ -148,11 +147,11 @@ long tile_compat_sys_msgrcv(int msqid, #define compat_sys_readahead sys32_readahead #define compat_sys_sync_file_range compat_sys_sync_file_range2 -/* The native 64-bit "struct stat" matches the 32-bit "struct stat64". */ -#define compat_sys_stat64 sys_newstat -#define compat_sys_lstat64 sys_newlstat -#define compat_sys_fstat64 sys_newfstat -#define compat_sys_fstatat64 sys_newfstatat +/* We leverage the "struct stat64" type for 32-bit time_t/nsec. */ +#define compat_sys_stat64 sys_stat64 +#define compat_sys_lstat64 sys_lstat64 +#define compat_sys_fstat64 sys_fstat64 +#define compat_sys_fstatat64 sys_fstatat64 /* The native sys_ptrace dynamically handles compat binaries. */ #define compat_sys_ptrace sys_ptrace diff --git a/arch/tile/kernel/compat_signal.c b/arch/tile/kernel/compat_signal.c index fb64b99959d..543d6a33aa2 100644 --- a/arch/tile/kernel/compat_signal.c +++ b/arch/tile/kernel/compat_signal.c @@ -15,7 +15,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/tile/kernel/early_printk.c b/arch/tile/kernel/early_printk.c index 2c54fd43a8a..493a0e66d91 100644 --- a/arch/tile/kernel/early_printk.c +++ b/arch/tile/kernel/early_printk.c @@ -54,7 +54,7 @@ void early_printk(const char *fmt, ...) void early_panic(const char *fmt, ...) { va_list ap; - raw_local_irq_disable_all(); + arch_local_irq_disable_all(); va_start(ap, fmt); early_printk("Kernel panic - not syncing: "); early_vprintk(fmt, ap); diff --git a/arch/tile/kernel/hardwall.c b/arch/tile/kernel/hardwall.c index 1e54a784341..e910530436e 100644 --- a/arch/tile/kernel/hardwall.c +++ b/arch/tile/kernel/hardwall.c @@ -151,12 +151,12 @@ enum direction_protect { static void enable_firewall_interrupts(void) { - raw_local_irq_unmask_now(INT_UDN_FIREWALL); + arch_local_irq_unmask_now(INT_UDN_FIREWALL); } static void disable_firewall_interrupts(void) { - raw_local_irq_mask_now(INT_UDN_FIREWALL); + arch_local_irq_mask_now(INT_UDN_FIREWALL); } /* Set up hardwall on this cpu based on the passed hardwall_info. */ @@ -768,13 +768,13 @@ static int hardwall_release(struct inode *inode, struct file *file) } static const struct file_operations dev_hardwall_fops = { + .open = nonseekable_open, .unlocked_ioctl = hardwall_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = hardwall_compat_ioctl, #endif .flush = hardwall_flush, .release = hardwall_release, - .llseek = noop_llseek, }; static struct cdev hardwall_dev; diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c index e63917687e9..128805ef8f2 100644 --- a/arch/tile/kernel/irq.c +++ b/arch/tile/kernel/irq.c @@ -26,7 +26,7 @@ #define IS_HW_CLEARED 1 /* - * The set of interrupts we enable for raw_local_irq_enable(). + * The set of interrupts we enable for arch_local_irq_enable(). * This is initialized to have just a single interrupt that the kernel * doesn't actually use as a sentinel. During kernel init, * interrupts are added as the kernel gets prepared to support them. @@ -225,7 +225,7 @@ void __cpuinit setup_irq_regs(void) /* Enable interrupt delivery. */ unmask_irqs(~0UL); #if CHIP_HAS_IPI() - raw_local_irq_unmask(INT_IPI_K); + arch_local_irq_unmask(INT_IPI_K); #endif } diff --git a/arch/tile/kernel/machine_kexec.c b/arch/tile/kernel/machine_kexec.c index ba7a265d617..0d8b9e93348 100644 --- a/arch/tile/kernel/machine_kexec.c +++ b/arch/tile/kernel/machine_kexec.c @@ -182,13 +182,13 @@ static void kexec_find_and_set_command_line(struct kimage *image) if ((entry & IND_SOURCE)) { void *va = - kmap_atomic_pfn(entry >> PAGE_SHIFT, KM_USER0); + kmap_atomic_pfn(entry >> PAGE_SHIFT); r = kexec_bn2cl(va); if (r) { command_line = r; break; } - kunmap_atomic(va, KM_USER0); + kunmap_atomic(va); } } @@ -198,7 +198,7 @@ static void kexec_find_and_set_command_line(struct kimage *image) hverr = hv_set_command_line( (HV_VirtAddr) command_line, strlen(command_line)); - kunmap_atomic(command_line, KM_USER0); + kunmap_atomic(command_line); } else { pr_info("%s: no command line found; making empty\n", __func__); diff --git a/arch/tile/kernel/messaging.c b/arch/tile/kernel/messaging.c index 997e3933f72..0858ee6b520 100644 --- a/arch/tile/kernel/messaging.c +++ b/arch/tile/kernel/messaging.c @@ -34,7 +34,7 @@ void __cpuinit init_messaging(void) panic("hv_register_message_state: error %d", rc); /* Make sure downcall interrupts will be enabled. */ - raw_local_irq_unmask(INT_INTCTRL_K); + arch_local_irq_unmask(INT_INTCTRL_K); } void hv_message_intr(struct pt_regs *regs, int intnum) diff --git a/arch/tile/kernel/ptrace.c b/arch/tile/kernel/ptrace.c index 9cd29884c09..e92e40527d6 100644 --- a/arch/tile/kernel/ptrace.c +++ b/arch/tile/kernel/ptrace.c @@ -50,10 +50,10 @@ long arch_ptrace(struct task_struct *child, long request, { unsigned long __user *datap = (long __user __force *)data; unsigned long tmp; - int i; long ret = -EIO; - unsigned long *childregs; char *childreg; + struct pt_regs copyregs; + int ex1_offset; switch (request) { @@ -80,6 +80,16 @@ long arch_ptrace(struct task_struct *child, long request, if (addr >= PTREGS_SIZE) break; childreg = (char *)task_pt_regs(child) + addr; + + /* Guard against overwrites of the privilege level. */ + ex1_offset = PTREGS_OFFSET_EX1; +#if defined(CONFIG_COMPAT) && defined(__BIG_ENDIAN) + if (is_compat_task()) /* point at low word */ + ex1_offset += sizeof(compat_long_t); +#endif + if (addr == ex1_offset) + data = PL_ICS_EX1(USER_PL, EX1_ICS(data)); + #ifdef CONFIG_COMPAT if (is_compat_task()) { if (addr & (sizeof(compat_long_t)-1)) @@ -96,26 +106,19 @@ long arch_ptrace(struct task_struct *child, long request, break; case PTRACE_GETREGS: /* Get all registers from the child. */ - if (!access_ok(VERIFY_WRITE, datap, PTREGS_SIZE)) - break; - childregs = (long *)task_pt_regs(child); - for (i = 0; i < sizeof(struct pt_regs)/sizeof(unsigned long); - ++i) { - ret = __put_user(childregs[i], &datap[i]); - if (ret != 0) - break; + if (copy_to_user(datap, task_pt_regs(child), + sizeof(struct pt_regs)) == 0) { + ret = 0; } break; case PTRACE_SETREGS: /* Set all registers in the child. */ - if (!access_ok(VERIFY_READ, datap, PTREGS_SIZE)) - break; - childregs = (long *)task_pt_regs(child); - for (i = 0; i < sizeof(struct pt_regs)/sizeof(unsigned long); - ++i) { - ret = __get_user(childregs[i], &datap[i]); - if (ret != 0) - break; + if (copy_from_user(©regs, datap, + sizeof(struct pt_regs)) == 0) { + copyregs.ex1 = + PL_ICS_EX1(USER_PL, EX1_ICS(copyregs.ex1)); + *task_pt_regs(child) = copyregs; + ret = 0; } break; diff --git a/arch/tile/kernel/reboot.c b/arch/tile/kernel/reboot.c index acd86d20beb..baa3d905fee 100644 --- a/arch/tile/kernel/reboot.c +++ b/arch/tile/kernel/reboot.c @@ -27,7 +27,7 @@ void machine_halt(void) { warn_early_printk(); - raw_local_irq_disable_all(); + arch_local_irq_disable_all(); smp_send_stop(); hv_halt(); } @@ -35,14 +35,14 @@ void machine_halt(void) void machine_power_off(void) { warn_early_printk(); - raw_local_irq_disable_all(); + arch_local_irq_disable_all(); smp_send_stop(); hv_power_off(); } void machine_restart(char *cmd) { - raw_local_irq_disable_all(); + arch_local_irq_disable_all(); smp_send_stop(); hv_restart((HV_VirtAddr) "vmlinux", (HV_VirtAddr) cmd); } diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index ae51cad12da..fb0b3cbeae1 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -868,14 +868,14 @@ void __cpuinit setup_cpu(int boot) /* Allow asynchronous TLB interrupts. */ #if CHIP_HAS_TILE_DMA() - raw_local_irq_unmask(INT_DMATLB_MISS); - raw_local_irq_unmask(INT_DMATLB_ACCESS); + arch_local_irq_unmask(INT_DMATLB_MISS); + arch_local_irq_unmask(INT_DMATLB_ACCESS); #endif #if CHIP_HAS_SN_PROC() - raw_local_irq_unmask(INT_SNITLB_MISS); + arch_local_irq_unmask(INT_SNITLB_MISS); #endif #ifdef __tilegx__ - raw_local_irq_unmask(INT_SINGLE_STEP_K); + arch_local_irq_unmask(INT_SINGLE_STEP_K); #endif /* diff --git a/arch/tile/kernel/signal.c b/arch/tile/kernel/signal.c index fb28e85ae3a..757407e3669 100644 --- a/arch/tile/kernel/signal.c +++ b/arch/tile/kernel/signal.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> @@ -71,6 +70,9 @@ int restore_sigcontext(struct pt_regs *regs, for (i = 0; i < sizeof(struct pt_regs)/sizeof(long); ++i) err |= __get_user(regs->regs[i], &sc->gregs[i]); + /* Ensure that the PL is always set to USER_PL. */ + regs->ex1 = PL_ICS_EX1(USER_PL, EX1_ICS(regs->ex1)); + regs->faultnum = INT_SWINT_1_SIGRETURN; err |= __get_user(*pr0, &sc->gregs[0]); @@ -330,7 +332,7 @@ void do_signal(struct pt_regs *regs) current_thread_info()->status &= ~TS_RESTORE_SIGMASK; } - return; + goto done; } /* Did we come from a system call? */ @@ -358,4 +360,8 @@ void do_signal(struct pt_regs *regs) current_thread_info()->status &= ~TS_RESTORE_SIGMASK; sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); } + +done: + /* Avoid double syscall restart if there are nested signals. */ + regs->faultnum = INT_SWINT_1_SIGRETURN; } diff --git a/arch/tile/kernel/smp.c b/arch/tile/kernel/smp.c index 75255d90aff..9575b37a8b7 100644 --- a/arch/tile/kernel/smp.c +++ b/arch/tile/kernel/smp.c @@ -115,7 +115,7 @@ static void smp_start_cpu_interrupt(void) static void smp_stop_cpu_interrupt(void) { set_cpu_online(smp_processor_id(), 0); - raw_local_irq_disable_all(); + arch_local_irq_disable_all(); for (;;) asm("nap"); } diff --git a/arch/tile/kernel/smpboot.c b/arch/tile/kernel/smpboot.c index 74d62d098ed..b949edcec20 100644 --- a/arch/tile/kernel/smpboot.c +++ b/arch/tile/kernel/smpboot.c @@ -18,7 +18,6 @@ #include <linux/mm.h> #include <linux/sched.h> #include <linux/kernel_stat.h> -#include <linux/smp_lock.h> #include <linux/bootmem.h> #include <linux/notifier.h> #include <linux/cpu.h> diff --git a/arch/tile/kernel/sys.c b/arch/tile/kernel/sys.c index 7e764669a02..e2187d24a9b 100644 --- a/arch/tile/kernel/sys.c +++ b/arch/tile/kernel/sys.c @@ -20,7 +20,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/mman.h> #include <linux/file.h> diff --git a/arch/tile/kernel/time.c b/arch/tile/kernel/time.c index 6bed820e142..f2e156e4469 100644 --- a/arch/tile/kernel/time.c +++ b/arch/tile/kernel/time.c @@ -132,7 +132,7 @@ static int tile_timer_set_next_event(unsigned long ticks, { BUG_ON(ticks > MAX_TICK); __insn_mtspr(SPR_TILE_TIMER_CONTROL, ticks); - raw_local_irq_unmask_now(INT_TILE_TIMER); + arch_local_irq_unmask_now(INT_TILE_TIMER); return 0; } @@ -143,7 +143,7 @@ static int tile_timer_set_next_event(unsigned long ticks, static void tile_timer_set_mode(enum clock_event_mode mode, struct clock_event_device *evt) { - raw_local_irq_mask_now(INT_TILE_TIMER); + arch_local_irq_mask_now(INT_TILE_TIMER); } /* @@ -172,7 +172,7 @@ void __cpuinit setup_tile_timer(void) evt->cpumask = cpumask_of(smp_processor_id()); /* Start out with timer not firing. */ - raw_local_irq_mask_now(INT_TILE_TIMER); + arch_local_irq_mask_now(INT_TILE_TIMER); /* Register tile timer. */ clockevents_register_device(evt); @@ -188,7 +188,7 @@ void do_timer_interrupt(struct pt_regs *regs, int fault_num) * Mask the timer interrupt here, since we are a oneshot timer * and there are now by definition no events pending. */ - raw_local_irq_mask(INT_TILE_TIMER); + arch_local_irq_mask(INT_TILE_TIMER); /* Track time spent here in an interrupt context */ irq_enter(); diff --git a/arch/tile/lib/memcpy_tile64.c b/arch/tile/lib/memcpy_tile64.c index dfedea7b266..f7d4a6ad61e 100644 --- a/arch/tile/lib/memcpy_tile64.c +++ b/arch/tile/lib/memcpy_tile64.c @@ -54,7 +54,7 @@ typedef unsigned long (*memcpy_t)(void *, const void *, unsigned long); * we must run with interrupts disabled to avoid the risk of some * other code seeing the incoherent data in our cache. (Recall that * our cache is indexed by PA, so even if the other code doesn't use - * our KM_MEMCPY virtual addresses, they'll still hit in cache using + * our kmap_atomic virtual addresses, they'll still hit in cache using * the normal VAs that aren't supposed to hit in cache.) */ static void memcpy_multicache(void *dest, const void *source, @@ -64,6 +64,7 @@ static void memcpy_multicache(void *dest, const void *source, unsigned long flags, newsrc, newdst; pmd_t *pmdp; pte_t *ptep; + int type0, type1; int cpu = get_cpu(); /* @@ -77,7 +78,8 @@ static void memcpy_multicache(void *dest, const void *source, sim_allow_multiple_caching(1); /* Set up the new dest mapping */ - idx = FIX_KMAP_BEGIN + (KM_TYPE_NR * cpu) + KM_MEMCPY0; + type0 = kmap_atomic_idx_push(); + idx = FIX_KMAP_BEGIN + (KM_TYPE_NR * cpu) + type0; newdst = __fix_to_virt(idx) + ((unsigned long)dest & (PAGE_SIZE-1)); pmdp = pmd_offset(pud_offset(pgd_offset_k(newdst), newdst), newdst); ptep = pte_offset_kernel(pmdp, newdst); @@ -87,7 +89,8 @@ static void memcpy_multicache(void *dest, const void *source, } /* Set up the new source mapping */ - idx += (KM_MEMCPY0 - KM_MEMCPY1); + type1 = kmap_atomic_idx_push(); + idx += (type0 - type1); src_pte = hv_pte_set_nc(src_pte); src_pte = hv_pte_clear_writable(src_pte); /* be paranoid */ newsrc = __fix_to_virt(idx) + ((unsigned long)source & (PAGE_SIZE-1)); @@ -119,6 +122,8 @@ static void memcpy_multicache(void *dest, const void *source, * We're done: notify the simulator that all is back to normal, * and re-enable interrupts and pre-emption. */ + kmap_atomic_idx_pop(); + kmap_atomic_idx_pop(); sim_allow_multiple_caching(0); local_irq_restore(flags); put_cpu(); diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c index f295b4ac941..dcebfc831cd 100644 --- a/arch/tile/mm/fault.c +++ b/arch/tile/mm/fault.c @@ -24,7 +24,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/tty.h> diff --git a/arch/tile/mm/highmem.c b/arch/tile/mm/highmem.c index abb57331cf6..31dbbd9afe4 100644 --- a/arch/tile/mm/highmem.c +++ b/arch/tile/mm/highmem.c @@ -227,7 +227,7 @@ EXPORT_SYMBOL(kmap_atomic_prot); void *__kmap_atomic(struct page *page) { /* PAGE_NONE is a magic value that tells us to check immutability. */ - return kmap_atomic_prot(page, type, PAGE_NONE); + return kmap_atomic_prot(page, PAGE_NONE); } EXPORT_SYMBOL(__kmap_atomic); diff --git a/arch/tile/mm/hugetlbpage.c b/arch/tile/mm/hugetlbpage.c index 24688b697a8..201a582c413 100644 --- a/arch/tile/mm/hugetlbpage.c +++ b/arch/tile/mm/hugetlbpage.c @@ -21,7 +21,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/sysctl.h> diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c index 78e1982cb6c..0b9ce69b0ee 100644 --- a/arch/tile/mm/init.c +++ b/arch/tile/mm/init.c @@ -988,8 +988,12 @@ static long __write_once initfree = 1; /* Select whether to free (1) or mark unusable (0) the __init pages. */ static int __init set_initfree(char *str) { - strict_strtol(str, 0, &initfree); - pr_info("initfree: %s free init pages\n", initfree ? "will" : "won't"); + long val; + if (strict_strtol(str, 0, &val)) { + initfree = val; + pr_info("initfree: %s free init pages\n", + initfree ? "will" : "won't"); + } return 1; } __setup("initfree=", set_initfree); diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c index 335c24621c4..1f5430c53d0 100644 --- a/arch/tile/mm/pgtable.c +++ b/arch/tile/mm/pgtable.c @@ -134,9 +134,9 @@ void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t flags) } #if defined(CONFIG_HIGHPTE) -pte_t *_pte_offset_map(pmd_t *dir, unsigned long address, enum km_type type) +pte_t *_pte_offset_map(pmd_t *dir, unsigned long address) { - pte_t *pte = kmap_atomic(pmd_page(*dir), type) + + pte_t *pte = kmap_atomic(pmd_page(*dir)) + (pmd_ptfn(*dir) << HV_LOG2_PAGE_TABLE_ALIGN) & ~PAGE_MASK; return &pte[pte_index(address)]; } diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h index 2cd899f75a3..b7c5bab9bd7 100644 --- a/arch/um/include/asm/ptrace-generic.h +++ b/arch/um/include/asm/ptrace-generic.h @@ -38,8 +38,8 @@ struct pt_regs { struct task_struct; -extern long subarch_ptrace(struct task_struct *child, long request, long addr, - long data); +extern long subarch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data); extern unsigned long getreg(struct task_struct *child, int regno); extern int putreg(struct task_struct *child, int regno, unsigned long value); extern int get_fpregs(struct user_i387_struct __user *buf, diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index 340268be00b..09bd7b58572 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -5,7 +5,6 @@ #include "linux/stddef.h" #include "linux/fs.h" -#include "linux/smp_lock.h" #include "linux/ptrace.h" #include "linux/sched.h" #include "linux/slab.h" diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index a5e33f29bbe..701b672c112 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -122,7 +122,7 @@ long arch_ptrace(struct task_struct *child, long request, break; case PTRACE_SET_THREAD_AREA: - ret = ptrace_set_thread_area(child, addr, datavp); + ret = ptrace_set_thread_area(child, addr, vp); break; case PTRACE_FAULTINFO: { diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c index 849813f398e..5852519b2d0 100644 --- a/arch/x86/ia32/sys_ia32.c +++ b/arch/x86/ia32/sys_ia32.c @@ -28,7 +28,6 @@ #include <linux/syscalls.h> #include <linux/times.h> #include <linux/utsname.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/uio.h> #include <linux/poll.h> diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 286de34b0ed..f6ce0bda3b9 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -141,13 +141,13 @@ static inline void native_apic_msr_write(u32 reg, u32 v) static inline u32 native_apic_msr_read(u32 reg) { - u32 low, high; + u64 msr; if (reg == APIC_DFR) return -1; - rdmsr(APIC_BASE_MSR + (reg >> 4), low, high); - return low; + rdmsrl(APIC_BASE_MSR + (reg >> 4), msr); + return (u32)msr; } static inline void native_x2apic_wait_icr_idle(void) @@ -181,12 +181,12 @@ extern void enable_x2apic(void); extern void x2apic_icr_write(u32 low, u32 id); static inline int x2apic_enabled(void) { - int msr, msr2; + u64 msr; if (!cpu_has_x2apic) return 0; - rdmsr(MSR_IA32_APICBASE, msr, msr2); + rdmsrl(MSR_IA32_APICBASE, msr); if (msr & X2APIC_ENABLE) return 1; return 0; diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h index b2f2d2e05ce..6d90adf4428 100644 --- a/arch/x86/include/asm/uv/uv_mmrs.h +++ b/arch/x86/include/asm/uv/uv_mmrs.h @@ -806,6 +806,78 @@ union uvh_node_present_table_u { }; /* ========================================================================= */ +/* UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR */ +/* ========================================================================= */ +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR 0x16000c8UL + +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_BASE_SHFT 24 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_BASE_MASK 0x00000000ff000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_M_ALIAS_SHFT 48 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_M_ALIAS_MASK 0x001f000000000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_ENABLE_SHFT 63 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_ENABLE_MASK 0x8000000000000000UL + +union uvh_rh_gam_alias210_overlay_config_0_mmr_u { + unsigned long v; + struct uvh_rh_gam_alias210_overlay_config_0_mmr_s { + unsigned long rsvd_0_23: 24; /* */ + unsigned long base : 8; /* RW */ + unsigned long rsvd_32_47: 16; /* */ + unsigned long m_alias : 5; /* RW */ + unsigned long rsvd_53_62: 10; /* */ + unsigned long enable : 1; /* RW */ + } s; +}; + +/* ========================================================================= */ +/* UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR */ +/* ========================================================================= */ +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR 0x16000d8UL + +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_BASE_SHFT 24 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_BASE_MASK 0x00000000ff000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_M_ALIAS_SHFT 48 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_M_ALIAS_MASK 0x001f000000000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_ENABLE_SHFT 63 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_ENABLE_MASK 0x8000000000000000UL + +union uvh_rh_gam_alias210_overlay_config_1_mmr_u { + unsigned long v; + struct uvh_rh_gam_alias210_overlay_config_1_mmr_s { + unsigned long rsvd_0_23: 24; /* */ + unsigned long base : 8; /* RW */ + unsigned long rsvd_32_47: 16; /* */ + unsigned long m_alias : 5; /* RW */ + unsigned long rsvd_53_62: 10; /* */ + unsigned long enable : 1; /* RW */ + } s; +}; + +/* ========================================================================= */ +/* UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR */ +/* ========================================================================= */ +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR 0x16000e8UL + +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_BASE_SHFT 24 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_BASE_MASK 0x00000000ff000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_M_ALIAS_SHFT 48 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_M_ALIAS_MASK 0x001f000000000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_ENABLE_SHFT 63 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_ENABLE_MASK 0x8000000000000000UL + +union uvh_rh_gam_alias210_overlay_config_2_mmr_u { + unsigned long v; + struct uvh_rh_gam_alias210_overlay_config_2_mmr_s { + unsigned long rsvd_0_23: 24; /* */ + unsigned long base : 8; /* RW */ + unsigned long rsvd_32_47: 16; /* */ + unsigned long m_alias : 5; /* RW */ + unsigned long rsvd_53_62: 10; /* */ + unsigned long enable : 1; /* RW */ + } s; +}; + +/* ========================================================================= */ /* UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR */ /* ========================================================================= */ #define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR 0x16000d0UL @@ -857,6 +929,29 @@ union uvh_rh_gam_alias210_redirect_config_2_mmr_u { }; /* ========================================================================= */ +/* UVH_RH_GAM_CONFIG_MMR */ +/* ========================================================================= */ +#define UVH_RH_GAM_CONFIG_MMR 0x1600000UL + +#define UVH_RH_GAM_CONFIG_MMR_M_SKT_SHFT 0 +#define UVH_RH_GAM_CONFIG_MMR_M_SKT_MASK 0x000000000000003fUL +#define UVH_RH_GAM_CONFIG_MMR_N_SKT_SHFT 6 +#define UVH_RH_GAM_CONFIG_MMR_N_SKT_MASK 0x00000000000003c0UL +#define UVH_RH_GAM_CONFIG_MMR_MMIOL_CFG_SHFT 12 +#define UVH_RH_GAM_CONFIG_MMR_MMIOL_CFG_MASK 0x0000000000001000UL + +union uvh_rh_gam_config_mmr_u { + unsigned long v; + struct uvh_rh_gam_config_mmr_s { + unsigned long m_skt : 6; /* RW */ + unsigned long n_skt : 4; /* RW */ + unsigned long rsvd_10_11: 2; /* */ + unsigned long mmiol_cfg : 1; /* RW */ + unsigned long rsvd_13_63: 51; /* */ + } s; +}; + +/* ========================================================================= */ /* UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR */ /* ========================================================================= */ #define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR 0x1600010UL @@ -987,97 +1082,5 @@ union uvh_rtc1_int_config_u { } s; }; -/* ========================================================================= */ -/* UVH_SI_ADDR_MAP_CONFIG */ -/* ========================================================================= */ -#define UVH_SI_ADDR_MAP_CONFIG 0xc80000UL - -#define UVH_SI_ADDR_MAP_CONFIG_M_SKT_SHFT 0 -#define UVH_SI_ADDR_MAP_CONFIG_M_SKT_MASK 0x000000000000003fUL -#define UVH_SI_ADDR_MAP_CONFIG_N_SKT_SHFT 8 -#define UVH_SI_ADDR_MAP_CONFIG_N_SKT_MASK 0x0000000000000f00UL - -union uvh_si_addr_map_config_u { - unsigned long v; - struct uvh_si_addr_map_config_s { - unsigned long m_skt : 6; /* RW */ - unsigned long rsvd_6_7: 2; /* */ - unsigned long n_skt : 4; /* RW */ - unsigned long rsvd_12_63: 52; /* */ - } s; -}; - -/* ========================================================================= */ -/* UVH_SI_ALIAS0_OVERLAY_CONFIG */ -/* ========================================================================= */ -#define UVH_SI_ALIAS0_OVERLAY_CONFIG 0xc80008UL - -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_BASE_SHFT 24 -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_M_ALIAS_SHFT 48 -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_ENABLE_SHFT 63 -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL - -union uvh_si_alias0_overlay_config_u { - unsigned long v; - struct uvh_si_alias0_overlay_config_s { - unsigned long rsvd_0_23: 24; /* */ - unsigned long base : 8; /* RW */ - unsigned long rsvd_32_47: 16; /* */ - unsigned long m_alias : 5; /* RW */ - unsigned long rsvd_53_62: 10; /* */ - unsigned long enable : 1; /* RW */ - } s; -}; - -/* ========================================================================= */ -/* UVH_SI_ALIAS1_OVERLAY_CONFIG */ -/* ========================================================================= */ -#define UVH_SI_ALIAS1_OVERLAY_CONFIG 0xc80010UL - -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_BASE_SHFT 24 -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_M_ALIAS_SHFT 48 -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_ENABLE_SHFT 63 -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL - -union uvh_si_alias1_overlay_config_u { - unsigned long v; - struct uvh_si_alias1_overlay_config_s { - unsigned long rsvd_0_23: 24; /* */ - unsigned long base : 8; /* RW */ - unsigned long rsvd_32_47: 16; /* */ - unsigned long m_alias : 5; /* RW */ - unsigned long rsvd_53_62: 10; /* */ - unsigned long enable : 1; /* RW */ - } s; -}; - -/* ========================================================================= */ -/* UVH_SI_ALIAS2_OVERLAY_CONFIG */ -/* ========================================================================= */ -#define UVH_SI_ALIAS2_OVERLAY_CONFIG 0xc80018UL - -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_BASE_SHFT 24 -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_M_ALIAS_SHFT 48 -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_ENABLE_SHFT 63 -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL - -union uvh_si_alias2_overlay_config_u { - unsigned long v; - struct uvh_si_alias2_overlay_config_s { - unsigned long rsvd_0_23: 24; /* */ - unsigned long base : 8; /* RW */ - unsigned long rsvd_32_47: 16; /* */ - unsigned long m_alias : 5; /* RW */ - unsigned long rsvd_53_62: 10; /* */ - unsigned long enable : 1; /* RW */ - } s; -}; - -#endif /* _ASM_X86_UV_UV_MMRS_H */ +#endif /* __ASM_UV_MMRS_X86_H__ */ diff --git a/arch/x86/include/asm/xen/interface.h b/arch/x86/include/asm/xen/interface.h index e8506c1f0c5..1c10c88ee4e 100644 --- a/arch/x86/include/asm/xen/interface.h +++ b/arch/x86/include/asm/xen/interface.h @@ -61,9 +61,9 @@ DEFINE_GUEST_HANDLE(void); #define HYPERVISOR_VIRT_START mk_unsigned_long(__HYPERVISOR_VIRT_START) #endif -#ifndef machine_to_phys_mapping -#define machine_to_phys_mapping ((unsigned long *)HYPERVISOR_VIRT_START) -#endif +#define MACH2PHYS_VIRT_START mk_unsigned_long(__MACH2PHYS_VIRT_START) +#define MACH2PHYS_VIRT_END mk_unsigned_long(__MACH2PHYS_VIRT_END) +#define MACH2PHYS_NR_ENTRIES ((MACH2PHYS_VIRT_END-MACH2PHYS_VIRT_START)>>__MACH2PHYS_SHIFT) /* Maximum number of virtual CPUs in multi-processor guests. */ #define MAX_VIRT_CPUS 32 diff --git a/arch/x86/include/asm/xen/interface_32.h b/arch/x86/include/asm/xen/interface_32.h index 42a7e004ae5..8413688b257 100644 --- a/arch/x86/include/asm/xen/interface_32.h +++ b/arch/x86/include/asm/xen/interface_32.h @@ -32,6 +32,11 @@ /* And the trap vector is... */ #define TRAP_INSTR "int $0x82" +#define __MACH2PHYS_VIRT_START 0xF5800000 +#define __MACH2PHYS_VIRT_END 0xF6800000 + +#define __MACH2PHYS_SHIFT 2 + /* * Virtual addresses beyond this are not modifiable by guest OSes. The * machine->physical mapping table starts at this address, read-only. diff --git a/arch/x86/include/asm/xen/interface_64.h b/arch/x86/include/asm/xen/interface_64.h index 100d2662b97..839a4811cf9 100644 --- a/arch/x86/include/asm/xen/interface_64.h +++ b/arch/x86/include/asm/xen/interface_64.h @@ -39,18 +39,7 @@ #define __HYPERVISOR_VIRT_END 0xFFFF880000000000 #define __MACH2PHYS_VIRT_START 0xFFFF800000000000 #define __MACH2PHYS_VIRT_END 0xFFFF804000000000 - -#ifndef HYPERVISOR_VIRT_START -#define HYPERVISOR_VIRT_START mk_unsigned_long(__HYPERVISOR_VIRT_START) -#define HYPERVISOR_VIRT_END mk_unsigned_long(__HYPERVISOR_VIRT_END) -#endif - -#define MACH2PHYS_VIRT_START mk_unsigned_long(__MACH2PHYS_VIRT_START) -#define MACH2PHYS_VIRT_END mk_unsigned_long(__MACH2PHYS_VIRT_END) -#define MACH2PHYS_NR_ENTRIES ((MACH2PHYS_VIRT_END-MACH2PHYS_VIRT_START)>>3) -#ifndef machine_to_phys_mapping -#define machine_to_phys_mapping ((unsigned long *)HYPERVISOR_VIRT_START) -#endif +#define __MACH2PHYS_SHIFT 3 /* * int HYPERVISOR_set_segment_base(unsigned int which, unsigned long base) diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h index dd8c1414b3d..8760cc60a21 100644 --- a/arch/x86/include/asm/xen/page.h +++ b/arch/x86/include/asm/xen/page.h @@ -5,6 +5,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/pfn.h> +#include <linux/mm.h> #include <asm/uaccess.h> #include <asm/page.h> @@ -35,6 +36,8 @@ typedef struct xpaddr { #define MAX_DOMAIN_PAGES \ ((unsigned long)((u64)CONFIG_XEN_MAX_DOMAIN_MEMORY * 1024 * 1024 * 1024 / PAGE_SIZE)) +extern unsigned long *machine_to_phys_mapping; +extern unsigned int machine_to_phys_order; extern unsigned long get_phys_to_machine(unsigned long pfn); extern bool set_phys_to_machine(unsigned long pfn, unsigned long mfn); @@ -69,10 +72,8 @@ static inline unsigned long mfn_to_pfn(unsigned long mfn) if (xen_feature(XENFEAT_auto_translated_physmap)) return mfn; -#if 0 if (unlikely((mfn >> machine_to_phys_order) != 0)) - return max_mapnr; -#endif + return ~0; pfn = 0; /* diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 850657d1b0e..3f838d53739 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -52,7 +52,6 @@ #include <asm/mce.h> #include <asm/kvm_para.h> #include <asm/tsc.h> -#include <asm/atomic.h> unsigned int num_processors; diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index ed4118de249..194539aea17 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -379,14 +379,14 @@ struct redir_addr { #define DEST_SHIFT UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR_DEST_BASE_SHFT static __initdata struct redir_addr redir_addrs[] = { - {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR, UVH_SI_ALIAS0_OVERLAY_CONFIG}, - {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR, UVH_SI_ALIAS1_OVERLAY_CONFIG}, - {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR, UVH_SI_ALIAS2_OVERLAY_CONFIG}, + {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR}, + {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR}, + {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR}, }; static __init void get_lowmem_redirect(unsigned long *base, unsigned long *size) { - union uvh_si_alias0_overlay_config_u alias; + union uvh_rh_gam_alias210_overlay_config_2_mmr_u alias; union uvh_rh_gam_alias210_redirect_config_2_mmr_u redirect; int i; @@ -660,7 +660,7 @@ void uv_nmi_init(void) void __init uv_system_init(void) { - union uvh_si_addr_map_config_u m_n_config; + union uvh_rh_gam_config_mmr_u m_n_config; union uvh_node_id_u node_id; unsigned long gnode_upper, lowmem_redir_base, lowmem_redir_size; int bytes, nid, cpu, lcpu, pnode, blade, i, j, m_val, n_val; @@ -670,7 +670,7 @@ void __init uv_system_init(void) map_low_mmrs(); - m_n_config.v = uv_read_local_mmr(UVH_SI_ADDR_MAP_CONFIG); + m_n_config.v = uv_read_local_mmr(UVH_RH_GAM_CONFIG_MMR ); m_val = m_n_config.s.m_skt; n_val = m_n_config.s.n_skt; mmr_base = diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c index 46d58448c3a..e421b8cd694 100644 --- a/arch/x86/kernel/cpu/perf_event_amd.c +++ b/arch/x86/kernel/cpu/perf_event_amd.c @@ -280,11 +280,11 @@ static struct amd_nb *amd_alloc_nb(int cpu, int nb_id) struct amd_nb *nb; int i; - nb = kmalloc(sizeof(struct amd_nb), GFP_KERNEL); + nb = kmalloc_node(sizeof(struct amd_nb), GFP_KERNEL | __GFP_ZERO, + cpu_to_node(cpu)); if (!nb) return NULL; - memset(nb, 0, sizeof(*nb)); nb->nb_id = nb_id; /* diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index 1b7b31ab7d8..212a6a42527 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -33,7 +33,6 @@ #include <linux/init.h> #include <linux/poll.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/major.h> #include <linux/fs.h> #include <linux/device.h> diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index ec592caac4b..cd21b654dec 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -315,14 +315,18 @@ static void kgdb_remove_all_hw_break(void) if (!breakinfo[i].enabled) continue; bp = *per_cpu_ptr(breakinfo[i].pev, cpu); - if (bp->attr.disabled == 1) + if (!bp->attr.disabled) { + arch_uninstall_hw_breakpoint(bp); + bp->attr.disabled = 1; continue; + } if (dbg_is_early) early_dr7 &= ~encode_dr7(i, breakinfo[i].len, breakinfo[i].type); - else - arch_uninstall_hw_breakpoint(bp); - bp->attr.disabled = 1; + else if (hw_break_release_slot(i)) + printk(KERN_ERR "KGDB: hw bpt remove failed %lx\n", + breakinfo[i].addr); + breakinfo[i].enabled = 0; } } diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index e1af7c055c7..ce0cb4721c9 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -212,7 +212,7 @@ static int install_equiv_cpu_table(const u8 *buf) return 0; } - equiv_cpu_table = (struct equiv_cpu_entry *) vmalloc(size); + equiv_cpu_table = vmalloc(size); if (!equiv_cpu_table) { pr_err("failed to allocate equivalent CPU table\n"); return 0; diff --git a/arch/x86/kernel/mmconf-fam10h_64.c b/arch/x86/kernel/mmconf-fam10h_64.c index 71825806cd4..6da143c2a6b 100644 --- a/arch/x86/kernel/mmconf-fam10h_64.c +++ b/arch/x86/kernel/mmconf-fam10h_64.c @@ -217,13 +217,13 @@ void __cpuinit fam10h_check_enable_mmcfg(void) wrmsrl(address, val); } -static int __devinit set_check_enable_amd_mmconf(const struct dmi_system_id *d) +static int __init set_check_enable_amd_mmconf(const struct dmi_system_id *d) { pci_probe |= PCI_CHECK_ENABLE_AMD_MMCONF; return 0; } -static const struct dmi_system_id __cpuinitconst mmconf_dmi_table[] = { +static const struct dmi_system_id __initconst mmconf_dmi_table[] = { { .callback = set_check_enable_amd_mmconf, .ident = "Sun Microsystems Machine", @@ -234,7 +234,8 @@ static const struct dmi_system_id __cpuinitconst mmconf_dmi_table[] = { {} }; -void __cpuinit check_enable_amd_mmconf_dmi(void) +/* Called from a __cpuinit function, but only on the BSP. */ +void __ref check_enable_amd_mmconf_dmi(void) { dmi_check_system(mmconf_dmi_table); } diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c index 7bf2dc4c8f7..12fcbe2c143 100644 --- a/arch/x86/kernel/msr.c +++ b/arch/x86/kernel/msr.c @@ -30,7 +30,6 @@ #include <linux/init.h> #include <linux/poll.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/major.h> #include <linux/fs.h> #include <linux/device.h> diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c index bab3b9e6f66..008b91eefa1 100644 --- a/arch/x86/kernel/pvclock.c +++ b/arch/x86/kernel/pvclock.c @@ -41,44 +41,6 @@ void pvclock_set_flags(u8 flags) valid_flags = flags; } -/* - * Scale a 64-bit delta by scaling and multiplying by a 32-bit fraction, - * yielding a 64-bit result. - */ -static inline u64 scale_delta(u64 delta, u32 mul_frac, int shift) -{ - u64 product; -#ifdef __i386__ - u32 tmp1, tmp2; -#endif - - if (shift < 0) - delta >>= -shift; - else - delta <<= shift; - -#ifdef __i386__ - __asm__ ( - "mul %5 ; " - "mov %4,%%eax ; " - "mov %%edx,%4 ; " - "mul %5 ; " - "xor %5,%5 ; " - "add %4,%%eax ; " - "adc %5,%%edx ; " - : "=A" (product), "=r" (tmp1), "=r" (tmp2) - : "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) ); -#elif defined(__x86_64__) - __asm__ ( - "mul %%rdx ; shrd $32,%%rdx,%%rax" - : "=a" (product) : "0" (delta), "d" ((u64)mul_frac) ); -#else -#error implement me! -#endif - - return product; -} - static u64 pvclock_get_nsec_offset(struct pvclock_shadow_time *shadow) { u64 delta = native_read_tsc() - shadow->tsc_timestamp; diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 908ea5464a5..fb8b376bf28 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -720,7 +720,7 @@ static void rmap_remove(struct kvm *kvm, u64 *spte) } } -static void set_spte_track_bits(u64 *sptep, u64 new_spte) +static int set_spte_track_bits(u64 *sptep, u64 new_spte) { pfn_t pfn; u64 old_spte = *sptep; @@ -731,19 +731,20 @@ static void set_spte_track_bits(u64 *sptep, u64 new_spte) old_spte = __xchg_spte(sptep, new_spte); if (!is_rmap_spte(old_spte)) - return; + return 0; pfn = spte_to_pfn(old_spte); if (!shadow_accessed_mask || old_spte & shadow_accessed_mask) kvm_set_pfn_accessed(pfn); if (!shadow_dirty_mask || (old_spte & shadow_dirty_mask)) kvm_set_pfn_dirty(pfn); + return 1; } static void drop_spte(struct kvm *kvm, u64 *sptep, u64 new_spte) { - set_spte_track_bits(sptep, new_spte); - rmap_remove(kvm, sptep); + if (set_spte_track_bits(sptep, new_spte)) + rmap_remove(kvm, sptep); } static u64 *rmap_next(struct kvm *kvm, unsigned long *rmapp, u64 *spte) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 82e144a4e51..1ca12298ffc 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3395,6 +3395,7 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip; load_host_msrs(vcpu); + kvm_load_ldt(ldt_selector); loadsegment(fs, fs_selector); #ifdef CONFIG_X86_64 load_gs_index(gs_selector); @@ -3402,7 +3403,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) #else loadsegment(gs, gs_selector); #endif - kvm_load_ldt(ldt_selector); reload_tss(vcpu); diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 8da0e45ff7c..ff21fdda0c5 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -821,10 +821,9 @@ static void vmx_save_host_state(struct kvm_vcpu *vcpu) #endif #ifdef CONFIG_X86_64 - if (is_long_mode(&vmx->vcpu)) { - rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base); + rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base); + if (is_long_mode(&vmx->vcpu)) wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base); - } #endif for (i = 0; i < vmx->save_nmsrs; ++i) kvm_set_shared_msr(vmx->guest_msrs[i].index, @@ -839,23 +838,23 @@ static void __vmx_load_host_state(struct vcpu_vmx *vmx) ++vmx->vcpu.stat.host_state_reload; vmx->host_state.loaded = 0; - if (vmx->host_state.fs_reload_needed) - loadsegment(fs, vmx->host_state.fs_sel); +#ifdef CONFIG_X86_64 + if (is_long_mode(&vmx->vcpu)) + rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base); +#endif if (vmx->host_state.gs_ldt_reload_needed) { kvm_load_ldt(vmx->host_state.ldt_sel); #ifdef CONFIG_X86_64 load_gs_index(vmx->host_state.gs_sel); - wrmsrl(MSR_KERNEL_GS_BASE, current->thread.gs); #else loadsegment(gs, vmx->host_state.gs_sel); #endif } + if (vmx->host_state.fs_reload_needed) + loadsegment(fs, vmx->host_state.fs_sel); reload_tss(); #ifdef CONFIG_X86_64 - if (is_long_mode(&vmx->vcpu)) { - rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base); - wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base); - } + wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base); #endif if (current_thread_info()->status & TS_USEDFPU) clts(); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 2288ad829b3..cdac9e592aa 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2560,6 +2560,7 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu, !kvm_exception_is_soft(vcpu->arch.exception.nr); events->exception.nr = vcpu->arch.exception.nr; events->exception.has_error_code = vcpu->arch.exception.has_error_code; + events->exception.pad = 0; events->exception.error_code = vcpu->arch.exception.error_code; events->interrupt.injected = @@ -2573,12 +2574,14 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu, events->nmi.injected = vcpu->arch.nmi_injected; events->nmi.pending = vcpu->arch.nmi_pending; events->nmi.masked = kvm_x86_ops->get_nmi_mask(vcpu); + events->nmi.pad = 0; events->sipi_vector = vcpu->arch.sipi_vector; events->flags = (KVM_VCPUEVENT_VALID_NMI_PENDING | KVM_VCPUEVENT_VALID_SIPI_VECTOR | KVM_VCPUEVENT_VALID_SHADOW); + memset(&events->reserved, 0, sizeof(events->reserved)); } static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu, @@ -2623,6 +2626,7 @@ static void kvm_vcpu_ioctl_x86_get_debugregs(struct kvm_vcpu *vcpu, dbgregs->dr6 = vcpu->arch.dr6; dbgregs->dr7 = vcpu->arch.dr7; dbgregs->flags = 0; + memset(&dbgregs->reserved, 0, sizeof(dbgregs->reserved)); } static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu, @@ -3106,6 +3110,7 @@ static int kvm_vm_ioctl_get_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps) sizeof(ps->channels)); ps->flags = kvm->arch.vpit->pit_state.flags; mutex_unlock(&kvm->arch.vpit->pit_state.lock); + memset(&ps->reserved, 0, sizeof(ps->reserved)); return r; } @@ -3169,10 +3174,6 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_memslots *slots, *old_slots; unsigned long *dirty_bitmap; - spin_lock(&kvm->mmu_lock); - kvm_mmu_slot_remove_write_access(kvm, log->slot); - spin_unlock(&kvm->mmu_lock); - r = -ENOMEM; dirty_bitmap = vmalloc(n); if (!dirty_bitmap) @@ -3194,6 +3195,10 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, dirty_bitmap = old_slots->memslots[log->slot].dirty_bitmap; kfree(old_slots); + spin_lock(&kvm->mmu_lock); + kvm_mmu_slot_remove_write_access(kvm, log->slot); + spin_unlock(&kvm->mmu_lock); + r = -EFAULT; if (copy_to_user(log->dirty_bitmap, dirty_bitmap, n)) { vfree(dirty_bitmap); @@ -3486,6 +3491,7 @@ long kvm_arch_vm_ioctl(struct file *filp, user_ns.clock = kvm->arch.kvmclock_offset + now_ns; local_irq_enable(); user_ns.flags = 0; + memset(&user_ns.pad, 0, sizeof(user_ns.pad)); r = -EFAULT; if (copy_to_user(argp, &user_ns, sizeof(user_ns))) @@ -3972,8 +3978,10 @@ int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu) return X86EMUL_CONTINUE; if (kvm_x86_ops->has_wbinvd_exit()) { + preempt_disable(); smp_call_function_many(vcpu->arch.wbinvd_dirty_mask, wbinvd_ipi, NULL, 1); + preempt_enable(); cpumask_clear(vcpu->arch.wbinvd_dirty_mask); } wbinvd(); diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 49358481c73..12cdbb17ad1 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -251,7 +251,7 @@ static void __cpuinit calculate_tlb_offset(void) } } -static int tlb_cpuhp_notify(struct notifier_block *n, +static int __cpuinit tlb_cpuhp_notify(struct notifier_block *n, unsigned long action, void *hcpu) { switch (action & 0xf) { diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 15466c096ba..0972315c386 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -138,7 +138,6 @@ setup_resource(struct acpi_resource *acpi_res, void *data) struct acpi_resource_address64 addr; acpi_status status; unsigned long flags; - struct resource *root, *conflict; u64 start, end; status = resource_to_addr(acpi_res, &addr); @@ -146,12 +145,10 @@ setup_resource(struct acpi_resource *acpi_res, void *data) return AE_OK; if (addr.resource_type == ACPI_MEMORY_RANGE) { - root = &iomem_resource; flags = IORESOURCE_MEM; if (addr.info.mem.caching == ACPI_PREFETCHABLE_MEMORY) flags |= IORESOURCE_PREFETCH; } else if (addr.resource_type == ACPI_IO_RANGE) { - root = &ioport_resource; flags = IORESOURCE_IO; } else return AE_OK; @@ -172,25 +169,90 @@ setup_resource(struct acpi_resource *acpi_res, void *data) return AE_OK; } - conflict = insert_resource_conflict(root, res); - if (conflict) { - dev_err(&info->bridge->dev, - "address space collision: host bridge window %pR " - "conflicts with %s %pR\n", - res, conflict->name, conflict); - } else { - pci_bus_add_resource(info->bus, res, 0); - info->res_num++; - if (addr.translation_offset) - dev_info(&info->bridge->dev, "host bridge window %pR " - "(PCI address [%#llx-%#llx])\n", - res, res->start - addr.translation_offset, - res->end - addr.translation_offset); + info->res_num++; + if (addr.translation_offset) + dev_info(&info->bridge->dev, "host bridge window %pR " + "(PCI address [%#llx-%#llx])\n", + res, res->start - addr.translation_offset, + res->end - addr.translation_offset); + else + dev_info(&info->bridge->dev, "host bridge window %pR\n", res); + + return AE_OK; +} + +static bool resource_contains(struct resource *res, resource_size_t point) +{ + if (res->start <= point && point <= res->end) + return true; + return false; +} + +static void coalesce_windows(struct pci_root_info *info, int type) +{ + int i, j; + struct resource *res1, *res2; + + for (i = 0; i < info->res_num; i++) { + res1 = &info->res[i]; + if (!(res1->flags & type)) + continue; + + for (j = i + 1; j < info->res_num; j++) { + res2 = &info->res[j]; + if (!(res2->flags & type)) + continue; + + /* + * I don't like throwing away windows because then + * our resources no longer match the ACPI _CRS, but + * the kernel resource tree doesn't allow overlaps. + */ + if (resource_contains(res1, res2->start) || + resource_contains(res1, res2->end) || + resource_contains(res2, res1->start) || + resource_contains(res2, res1->end)) { + res1->start = min(res1->start, res2->start); + res1->end = max(res1->end, res2->end); + dev_info(&info->bridge->dev, + "host bridge window expanded to %pR; %pR ignored\n", + res1, res2); + res2->flags = 0; + } + } + } +} + +static void add_resources(struct pci_root_info *info) +{ + int i; + struct resource *res, *root, *conflict; + + if (!pci_use_crs) + return; + + coalesce_windows(info, IORESOURCE_MEM); + coalesce_windows(info, IORESOURCE_IO); + + for (i = 0; i < info->res_num; i++) { + res = &info->res[i]; + + if (res->flags & IORESOURCE_MEM) + root = &iomem_resource; + else if (res->flags & IORESOURCE_IO) + root = &ioport_resource; else - dev_info(&info->bridge->dev, - "host bridge window %pR\n", res); + continue; + + conflict = insert_resource_conflict(root, res); + if (conflict) + dev_err(&info->bridge->dev, + "address space collision: host bridge window %pR " + "conflicts with %s %pR\n", + res, conflict->name, conflict); + else + pci_bus_add_resource(info->bus, res, 0); } - return AE_OK; } static void @@ -224,6 +286,7 @@ get_current_resources(struct acpi_device *device, int busnum, acpi_walk_resources(device->handle, METHOD_NAME__CRS, setup_resource, &info); + add_resources(&info); return; name_alloc_fail: diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 117f5b8daf7..d7b5109f7a9 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -147,8 +147,10 @@ static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) irq = xen_allocate_pirq(v[i], 0, /* not sharable */ (type == PCI_CAP_ID_MSIX) ? "pcifront-msi-x" : "pcifront-msi"); - if (irq < 0) - return -1; + if (irq < 0) { + ret = -1; + goto free; + } ret = set_irq_msi(irq, msidesc); if (ret) @@ -164,7 +166,7 @@ error: if (ret == -ENODEV) dev_err(&dev->dev, "Xen PCI frontend has not registered" \ " MSI/MSI-X support!\n"); - +free: kfree(v); return ret; } diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index 20ea20a39e2..a318194002b 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -1343,8 +1343,8 @@ uv_activation_descriptor_init(int node, int pnode) * each bau_desc is 64 bytes; there are 8 (UV_ITEMS_PER_DESCRIPTOR) * per cpu; and up to 32 (UV_ADP_SIZE) cpu's per uvhub */ - bau_desc = (struct bau_desc *)kmalloc_node(sizeof(struct bau_desc)* - UV_ADP_SIZE*UV_ITEMS_PER_DESCRIPTOR, GFP_KERNEL, node); + bau_desc = kmalloc_node(sizeof(struct bau_desc) * UV_ADP_SIZE + * UV_ITEMS_PER_DESCRIPTOR, GFP_KERNEL, node); BUG_ON(!bau_desc); pa = uv_gpa(bau_desc); /* need the real nasid*/ @@ -1402,9 +1402,9 @@ uv_payload_queue_init(int node, int pnode) struct bau_payload_queue_entry *pqp_malloc; struct bau_control *bcp; - pqp = (struct bau_payload_queue_entry *) kmalloc_node( - (DEST_Q_SIZE + 1) * sizeof(struct bau_payload_queue_entry), - GFP_KERNEL, node); + pqp = kmalloc_node((DEST_Q_SIZE + 1) + * sizeof(struct bau_payload_queue_entry), + GFP_KERNEL, node); BUG_ON(!pqp); pqp_malloc = pqp; @@ -1520,8 +1520,7 @@ static void __init uv_init_per_cpu(int nuvhubs) timeout_us = calculate_destination_timeout(); - uvhub_descs = (struct uvhub_desc *) - kmalloc(nuvhubs * sizeof(struct uvhub_desc), GFP_KERNEL); + uvhub_descs = kmalloc(nuvhubs * sizeof(struct uvhub_desc), GFP_KERNEL); memset(uvhub_descs, 0, nuvhubs * sizeof(struct uvhub_desc)); uvhub_mask = kzalloc((nuvhubs+7)/8, GFP_KERNEL); for_each_present_cpu(cpu) { diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 235c0f4d386..7250bef7f49 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -75,6 +75,11 @@ DEFINE_PER_CPU(struct vcpu_info, xen_vcpu_info); enum xen_domain_type xen_domain_type = XEN_NATIVE; EXPORT_SYMBOL_GPL(xen_domain_type); +unsigned long *machine_to_phys_mapping = (void *)MACH2PHYS_VIRT_START; +EXPORT_SYMBOL(machine_to_phys_mapping); +unsigned int machine_to_phys_order; +EXPORT_SYMBOL(machine_to_phys_order); + struct start_info *xen_start_info; EXPORT_SYMBOL_GPL(xen_start_info); @@ -1090,6 +1095,8 @@ static void __init xen_setup_stackprotector(void) /* First C function to be called on Xen boot */ asmlinkage void __init xen_start_kernel(void) { + struct physdev_set_iopl set_iopl; + int rc; pgd_t *pgd; if (!xen_start_info) @@ -1097,6 +1104,8 @@ asmlinkage void __init xen_start_kernel(void) xen_domain_type = XEN_PV_DOMAIN; + xen_setup_machphys_mapping(); + /* Install Xen paravirt ops */ pv_info = xen_info; pv_init_ops = xen_init_ops; @@ -1202,10 +1211,18 @@ asmlinkage void __init xen_start_kernel(void) #else pv_info.kernel_rpl = 0; #endif - /* set the limit of our address space */ xen_reserve_top(); + /* We used to do this in xen_arch_setup, but that is too late on AMD + * were early_cpu_init (run before ->arch_setup()) calls early_amd_init + * which pokes 0xcf8 port. + */ + set_iopl.iopl = 1; + rc = HYPERVISOR_physdev_op(PHYSDEVOP_set_iopl, &set_iopl); + if (rc != 0) + xen_raw_printk("physdev_op failed %d\n", rc); + #ifdef CONFIG_X86_32 /* set up basic CPUID stuff */ cpu_detect(&new_cpu_data); diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index c237b810b03..790af908284 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -2034,6 +2034,20 @@ static __init void xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn) set_page_prot(pmd, PAGE_KERNEL_RO); } +void __init xen_setup_machphys_mapping(void) +{ + struct xen_machphys_mapping mapping; + unsigned long machine_to_phys_nr_ents; + + if (HYPERVISOR_memory_op(XENMEM_machphys_mapping, &mapping) == 0) { + machine_to_phys_mapping = (unsigned long *)mapping.v_start; + machine_to_phys_nr_ents = mapping.max_mfn + 1; + } else { + machine_to_phys_nr_ents = MACH2PHYS_NR_ENTRIES; + } + machine_to_phys_order = fls(machine_to_phys_nr_ents - 1); +} + #ifdef CONFIG_X86_64 static void convert_pfn_mfn(void *v) { @@ -2126,7 +2140,7 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, { pmd_t *kernel_pmd; - level2_kernel_pgt = extend_brk(sizeof(pmd_t *) * PTRS_PER_PMD, PAGE_SIZE); + level2_kernel_pgt = extend_brk(sizeof(pmd_t) * PTRS_PER_PMD, PAGE_SIZE); max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->pt_base) + xen_start_info->nr_pt_frames * PAGE_SIZE + @@ -2627,7 +2641,8 @@ int xen_remap_domain_mfn_range(struct vm_area_struct *vma, prot = __pgprot(pgprot_val(prot) | _PAGE_IOMAP); - vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; + BUG_ON(!((vma->vm_flags & (VM_PFNMAP | VM_RESERVED | VM_IO)) == + (VM_PFNMAP | VM_RESERVED | VM_IO))); rmd.mfn = mfn; rmd.prot = prot; diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index b1dbdaa23ec..38fdffaa71d 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -118,16 +118,18 @@ static unsigned long __init xen_return_unused_memory(unsigned long max_pfn, const struct e820map *e820) { phys_addr_t max_addr = PFN_PHYS(max_pfn); - phys_addr_t last_end = 0; + phys_addr_t last_end = ISA_END_ADDRESS; unsigned long released = 0; int i; + /* Free any unused memory above the low 1Mbyte. */ for (i = 0; i < e820->nr_map && last_end < max_addr; i++) { phys_addr_t end = e820->map[i].addr; end = min(max_addr, end); - released += xen_release_chunk(last_end, end); - last_end = e820->map[i].addr + e820->map[i].size; + if (last_end < end) + released += xen_release_chunk(last_end, end); + last_end = max(last_end, e820->map[i].addr + e820->map[i].size); } if (last_end < max_addr) @@ -164,6 +166,7 @@ char * __init xen_memory_setup(void) XENMEM_memory_map; rc = HYPERVISOR_memory_op(op, &memmap); if (rc == -ENOSYS) { + BUG_ON(xen_initial_domain()); memmap.nr_entries = 1; map[0].addr = 0ULL; map[0].size = mem_end; @@ -201,12 +204,13 @@ char * __init xen_memory_setup(void) } /* - * Even though this is normal, usable memory under Xen, reserve - * ISA memory anyway because too many things think they can poke + * In domU, the ISA region is normal, usable memory, but we + * reserve ISA memory anyway because too many things poke * about in there. * - * In a dom0 kernel, this region is identity mapped with the - * hardware ISA area, so it really is out of bounds. + * In Dom0, the host E820 information can leave gaps in the + * ISA range, which would cause us to release those pages. To + * avoid this, we unconditionally reserve them here. */ e820_add_region(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS, E820_RESERVED); @@ -244,8 +248,7 @@ char * __init xen_memory_setup(void) else extra_pages = 0; - if (!xen_initial_domain()) - xen_add_extra_mem(extra_pages); + xen_add_extra_mem(extra_pages); return "Xen"; } @@ -333,9 +336,6 @@ void __cpuinit xen_enable_syscall(void) void __init xen_arch_setup(void) { - struct physdev_set_iopl set_iopl; - int rc; - xen_panic_handler_init(); HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_4gb_segments); @@ -352,11 +352,6 @@ void __init xen_arch_setup(void) xen_enable_sysenter(); xen_enable_syscall(); - set_iopl.iopl = 1; - rc = HYPERVISOR_physdev_op(PHYSDEVOP_set_iopl, &set_iopl); - if (rc != 0) - printk(KERN_INFO "physdev_op failed %d\n", rc); - #ifdef CONFIG_ACPI if (!(xen_start_info->flags & SIF_INITDOMAIN)) { printk(KERN_INFO "ACPI in unprivileged domain disabled\n"); diff --git a/block/blk-core.c b/block/blk-core.c index f0834e2f572..4ce953f1b39 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1194,13 +1194,6 @@ static int __make_request(struct request_queue *q, struct bio *bio) int where = ELEVATOR_INSERT_SORT; int rw_flags; - /* REQ_HARDBARRIER is no more */ - if (WARN_ONCE(bio->bi_rw & REQ_HARDBARRIER, - "block: HARDBARRIER is deprecated, use FLUSH/FUA instead\n")) { - bio_endio(bio, -EOPNOTSUPP); - return 0; - } - /* * low level driver can indicate that it wants pages above a * certain limit bounced to low memory (ie for highmem, or even @@ -1351,7 +1344,7 @@ static void handle_bad_sector(struct bio *bio) bdevname(bio->bi_bdev, b), bio->bi_rw, (unsigned long long)bio->bi_sector + bio_sectors(bio), - (long long)(bio->bi_bdev->bd_inode->i_size >> 9)); + (long long)(i_size_read(bio->bi_bdev->bd_inode) >> 9)); set_bit(BIO_EOF, &bio->bi_flags); } @@ -1404,7 +1397,7 @@ static inline int bio_check_eod(struct bio *bio, unsigned int nr_sectors) return 0; /* Test device or partition size, when known. */ - maxsector = bio->bi_bdev->bd_inode->i_size >> 9; + maxsector = i_size_read(bio->bi_bdev->bd_inode) >> 9; if (maxsector) { sector_t sector = bio->bi_sector; diff --git a/block/blk-ioc.c b/block/blk-ioc.c index d22c4c55c40..3c7a339fe38 100644 --- a/block/blk-ioc.c +++ b/block/blk-ioc.c @@ -153,20 +153,6 @@ struct io_context *get_io_context(gfp_t gfp_flags, int node) } EXPORT_SYMBOL(get_io_context); -void copy_io_context(struct io_context **pdst, struct io_context **psrc) -{ - struct io_context *src = *psrc; - struct io_context *dst = *pdst; - - if (src) { - BUG_ON(atomic_long_read(&src->refcount) == 0); - atomic_long_inc(&src->refcount); - put_io_context(dst); - *pdst = src; - } -} -EXPORT_SYMBOL(copy_io_context); - static int __init blk_ioc_init(void) { iocontext_cachep = kmem_cache_create("blkdev_ioc", diff --git a/block/blk-map.c b/block/blk-map.c index d4a586d8691..5d5dbe47c22 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -205,6 +205,8 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, unaligned = 1; break; } + if (!iov[i].iov_len) + return -EINVAL; } if (unaligned || (q->dma_pad_mask & len) || map_data) diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c index 119f07b74dc..cc3eb78e333 100644 --- a/block/compat_ioctl.c +++ b/block/compat_ioctl.c @@ -8,7 +8,6 @@ #include <linux/hdreg.h> #include <linux/slab.h> #include <linux/syscalls.h> -#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/uaccess.h> @@ -744,13 +743,13 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg) bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE; return 0; case BLKGETSIZE: - size = bdev->bd_inode->i_size; + size = i_size_read(bdev->bd_inode); if ((size >> 9) > ~0UL) return -EFBIG; return compat_put_ulong(arg, size >> 9); case BLKGETSIZE64_32: - return compat_put_u64(arg, bdev->bd_inode->i_size); + return compat_put_u64(arg, i_size_read(bdev->bd_inode)); case BLKTRACESETUP32: case BLKTRACESTART: /* compatible */ diff --git a/block/elevator.c b/block/elevator.c index 282e8308f7e..2569512830d 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -429,7 +429,7 @@ void elv_dispatch_sort(struct request_queue *q, struct request *rq) q->nr_sorted--; boundary = q->end_sector; - stop_flags = REQ_SOFTBARRIER | REQ_HARDBARRIER | REQ_STARTED; + stop_flags = REQ_SOFTBARRIER | REQ_STARTED; list_for_each_prev(entry, &q->queue_head) { struct request *pos = list_entry_rq(entry); @@ -691,7 +691,7 @@ void elv_insert(struct request_queue *q, struct request *rq, int where) void __elv_add_request(struct request_queue *q, struct request *rq, int where, int plug) { - if (rq->cmd_flags & (REQ_SOFTBARRIER | REQ_HARDBARRIER)) { + if (rq->cmd_flags & REQ_SOFTBARRIER) { /* barriers are scheduling boundary, update end_sector */ if (rq->cmd_type == REQ_TYPE_FS || (rq->cmd_flags & REQ_DISCARD)) { diff --git a/block/ioctl.c b/block/ioctl.c index d724ceb1d46..a9a302eba01 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -5,7 +5,6 @@ #include <linux/hdreg.h> #include <linux/backing-dev.h> #include <linux/buffer_head.h> -#include <linux/smp_lock.h> #include <linux/blktrace_api.h> #include <asm/uaccess.h> @@ -125,7 +124,7 @@ static int blk_ioctl_discard(struct block_device *bdev, uint64_t start, start >>= 9; len >>= 9; - if (start + len > (bdev->bd_inode->i_size >> 9)) + if (start + len > (i_size_read(bdev->bd_inode) >> 9)) return -EINVAL; if (secure) flags |= BLKDEV_DISCARD_SECURE; @@ -242,6 +241,7 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, * We need to set the startsect first, the driver may * want to override it. */ + memset(&geo, 0, sizeof(geo)); geo.start = get_start_sect(bdev); ret = disk->fops->getgeo(bdev, &geo); if (ret) @@ -307,12 +307,12 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, ret = blkdev_reread_part(bdev); break; case BLKGETSIZE: - size = bdev->bd_inode->i_size; + size = i_size_read(bdev->bd_inode); if ((size >> 9) > ~0UL) return -EFBIG; return put_ulong(arg, size >> 9); case BLKGETSIZE64: - return put_u64(arg, bdev->bd_inode->i_size); + return put_u64(arg, i_size_read(bdev->bd_inode)); case BLKTRACESTART: case BLKTRACESTOP: case BLKTRACESETUP: diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index a8b5a10eb5b..4f4230b79bb 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -321,33 +321,47 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, if (hdr->iovec_count) { const int size = sizeof(struct sg_iovec) * hdr->iovec_count; size_t iov_data_len; - struct sg_iovec *iov; + struct sg_iovec *sg_iov; + struct iovec *iov; + int i; - iov = kmalloc(size, GFP_KERNEL); - if (!iov) { + sg_iov = kmalloc(size, GFP_KERNEL); + if (!sg_iov) { ret = -ENOMEM; goto out; } - if (copy_from_user(iov, hdr->dxferp, size)) { - kfree(iov); + if (copy_from_user(sg_iov, hdr->dxferp, size)) { + kfree(sg_iov); ret = -EFAULT; goto out; } + /* + * Sum up the vecs, making sure they don't overflow + */ + iov = (struct iovec *) sg_iov; + iov_data_len = 0; + for (i = 0; i < hdr->iovec_count; i++) { + if (iov_data_len + iov[i].iov_len < iov_data_len) { + kfree(sg_iov); + ret = -EINVAL; + goto out; + } + iov_data_len += iov[i].iov_len; + } + /* SG_IO howto says that the shorter of the two wins */ - iov_data_len = iov_length((struct iovec *)iov, - hdr->iovec_count); if (hdr->dxfer_len < iov_data_len) { - hdr->iovec_count = iov_shorten((struct iovec *)iov, + hdr->iovec_count = iov_shorten(iov, hdr->iovec_count, hdr->dxfer_len); iov_data_len = hdr->dxfer_len; } - ret = blk_rq_map_user_iov(q, rq, NULL, iov, hdr->iovec_count, + ret = blk_rq_map_user_iov(q, rq, NULL, sg_iov, hdr->iovec_count, iov_data_len, GFP_KERNEL); - kfree(iov); + kfree(sg_iov); } else if (hdr->dxfer_len) ret = blk_rq_map_user(q, rq, NULL, hdr->dxferp, hdr->dxfer_len, GFP_KERNEL); diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index de3078215fe..75586f1f86e 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -504,7 +504,6 @@ err: static void pcrypt_fini_padata(struct padata_pcrypt *pcrypt) { - kobject_put(&pcrypt->pinst->kobj); free_cpumask_var(pcrypt->cb_cpumask->mask); kfree(pcrypt->cb_cpumask); diff --git a/drivers/Makefile b/drivers/Makefile index 14cf9077bb2..f3ebb30f1b7 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_REGULATOR) += regulator/ # char/ comes before serial/ etc so that the VT console is the boot-time # default. +obj-y += tty/ obj-y += char/ # gpu/ comes after char for AGP vs DRM startup diff --git a/drivers/acpi/debugfs.c b/drivers/acpi/debugfs.c index 6355b575ee5..5df67f1d6c6 100644 --- a/drivers/acpi/debugfs.c +++ b/drivers/acpi/debugfs.c @@ -80,7 +80,7 @@ int __init acpi_debugfs_init(void) if (!acpi_dir) goto err; - cm_dentry = debugfs_create_file("custom_method", S_IWUGO, + cm_dentry = debugfs_create_file("custom_method", S_IWUSR, acpi_dir, NULL, &cm_fops); if (!cm_dentry) goto err; diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index d050e073e57..66aa4bee80a 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2552,8 +2552,11 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc) * * If door lock fails, always clear sdev->locked to * avoid this infinite loop. + * + * This may happen before SCSI scan is complete. Make + * sure qc->dev->sdev isn't NULL before dereferencing. */ - if (qc->cdb[0] == ALLOW_MEDIUM_REMOVAL) + if (qc->cdb[0] == ALLOW_MEDIUM_REMOVAL && qc->dev->sdev) qc->dev->sdev->locked = 0; qc->scsicmd->result = SAM_STAT_CHECK_CONDITION; @@ -3163,8 +3166,8 @@ static inline int __ata_scsi_queuecmd(struct scsi_cmnd *scmd, /** * ata_scsi_queuecmd - Issue SCSI cdb to libata-managed device + * @shost: SCSI host of command to be sent * @cmd: SCSI command to be sent - * @done: Completion function, called when command is complete * * In some cases, this function translates SCSI commands into * ATA taskfiles, and queues the taskfiles to be sent to @@ -3174,37 +3177,36 @@ static inline int __ata_scsi_queuecmd(struct scsi_cmnd *scmd, * ATA and ATAPI devices appearing as SCSI devices. * * LOCKING: - * Releases scsi-layer-held lock, and obtains host lock. + * ATA host lock * * RETURNS: * Return value from __ata_scsi_queuecmd() if @cmd can be queued, * 0 otherwise. */ -int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) +int ata_scsi_queuecmd(struct Scsi_Host *shost, struct scsi_cmnd *cmd) { struct ata_port *ap; struct ata_device *dev; struct scsi_device *scsidev = cmd->device; - struct Scsi_Host *shost = scsidev->host; int rc = 0; + unsigned long irq_flags; ap = ata_shost_to_port(shost); - spin_unlock(shost->host_lock); - spin_lock(ap->lock); + spin_lock_irqsave(ap->lock, irq_flags); ata_scsi_dump_cdb(ap, cmd); dev = ata_scsi_find_dev(ap, scsidev); if (likely(dev)) - rc = __ata_scsi_queuecmd(cmd, done, dev); + rc = __ata_scsi_queuecmd(cmd, cmd->scsi_done, dev); else { cmd->result = (DID_BAD_TARGET << 16); - done(cmd); + cmd->scsi_done(cmd); } - spin_unlock(ap->lock); - spin_lock(shost->host_lock); + spin_unlock_irqrestore(ap->lock, irq_flags); + return rc; } diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index eaf194138f2..6bd9425ba5a 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -142,7 +142,7 @@ static int autospeed; /* Chip present which snoops speed changes */ static int pio_mask = ATA_PIO4; /* PIO range for autospeed devices */ static int iordy_mask = 0xFFFFFFFF; /* Use iordy if available */ -#ifdef PATA_WINBOND_VLB_MODULE +#ifdef CONFIG_PATA_WINBOND_VLB_MODULE static int winbond = 1; /* Set to probe Winbond controllers, give I/O port if non standard */ #else diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c index 74b82981789..fa1b95a9a7f 100644 --- a/drivers/ata/pata_octeon_cf.c +++ b/drivers/ata/pata_octeon_cf.c @@ -653,8 +653,6 @@ static irqreturn_t octeon_cf_interrupt(int irq, void *dev_instance) ap = host->ports[i]; ocd = ap->dev->platform_data; - - ocd = ap->dev->platform_data; cf_port = ap->private_data; dma_int.u64 = cvmx_read_csr(CVMX_MIO_BOOT_DMA_INTX(ocd->dma_engine)); diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index c21589986c6..8b677bbf2d3 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -538,7 +538,7 @@ static int vt8251_prepare_host(struct pci_dev *pdev, struct ata_host **r_host) return 0; } -static void svia_configure(struct pci_dev *pdev) +static void svia_configure(struct pci_dev *pdev, int board_id) { u8 tmp8; @@ -577,7 +577,7 @@ static void svia_configure(struct pci_dev *pdev) } /* - * vt6421 has problems talking to some drives. The following + * vt6420/1 has problems talking to some drives. The following * is the fix from Joseph Chan <JosephChan@via.com.tw>. * * When host issues HOLD, device may send up to 20DW of data @@ -596,8 +596,9 @@ static void svia_configure(struct pci_dev *pdev) * * https://bugzilla.kernel.org/show_bug.cgi?id=15173 * http://article.gmane.org/gmane.linux.ide/46352 + * http://thread.gmane.org/gmane.linux.kernel/1062139 */ - if (pdev->device == 0x3249) { + if (board_id == vt6420 || board_id == vt6421) { pci_read_config_byte(pdev, 0x52, &tmp8); tmp8 |= 1 << 2; pci_write_config_byte(pdev, 0x52, tmp8); @@ -652,7 +653,7 @@ static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) return rc; - svia_configure(pdev); + svia_configure(pdev, board_id); pci_set_master(pdev); return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt, diff --git a/drivers/atm/solos-attrlist.c b/drivers/atm/solos-attrlist.c index 1a9332e4efe..9a676ee3082 100644 --- a/drivers/atm/solos-attrlist.c +++ b/drivers/atm/solos-attrlist.c @@ -1,6 +1,7 @@ SOLOS_ATTR_RO(DriverVersion) SOLOS_ATTR_RO(APIVersion) SOLOS_ATTR_RO(FirmwareVersion) +SOLOS_ATTR_RO(Version) // SOLOS_ATTR_RO(DspVersion) // SOLOS_ATTR_RO(CommonHandshake) SOLOS_ATTR_RO(Connected) diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c index f46138ab38b..2e08c996fd3 100644 --- a/drivers/atm/solos-pci.c +++ b/drivers/atm/solos-pci.c @@ -1161,6 +1161,14 @@ static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id) dev_info(&dev->dev, "Solos FPGA Version %d.%02d svn-%d\n", major_ver, minor_ver, fpga_ver); + if (fpga_ver < 37 && (fpga_upgrade || firmware_upgrade || + db_fpga_upgrade || db_firmware_upgrade)) { + dev_warn(&dev->dev, + "FPGA too old; cannot upgrade flash. Use JTAG.\n"); + fpga_upgrade = firmware_upgrade = 0; + db_fpga_upgrade = db_firmware_upgrade = 0; + } + if (card->fpga_version >= DMA_SUPPORTED){ card->using_dma = 1; } else { diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 31b526661ec..ead3e79d6fc 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -475,20 +475,33 @@ End: */ void dpm_resume_noirq(pm_message_t state) { - struct device *dev; + struct list_head list; ktime_t starttime = ktime_get(); + INIT_LIST_HEAD(&list); mutex_lock(&dpm_list_mtx); transition_started = false; - list_for_each_entry(dev, &dpm_list, power.entry) + while (!list_empty(&dpm_list)) { + struct device *dev = to_device(dpm_list.next); + + get_device(dev); if (dev->power.status > DPM_OFF) { int error; dev->power.status = DPM_OFF; + mutex_unlock(&dpm_list_mtx); + error = device_resume_noirq(dev, state); + + mutex_lock(&dpm_list_mtx); if (error) pm_dev_err(dev, state, " early", error); } + if (!list_empty(&dev->power.entry)) + list_move_tail(&dev->power.entry, &list); + put_device(dev); + } + list_splice(&list, &dpm_list); mutex_unlock(&dpm_list_mtx); dpm_show_time(starttime, state, "early"); resume_device_irqs(); @@ -789,20 +802,33 @@ End: */ int dpm_suspend_noirq(pm_message_t state) { - struct device *dev; + struct list_head list; ktime_t starttime = ktime_get(); int error = 0; + INIT_LIST_HEAD(&list); suspend_device_irqs(); mutex_lock(&dpm_list_mtx); - list_for_each_entry_reverse(dev, &dpm_list, power.entry) { + while (!list_empty(&dpm_list)) { + struct device *dev = to_device(dpm_list.prev); + + get_device(dev); + mutex_unlock(&dpm_list_mtx); + error = device_suspend_noirq(dev, state); + + mutex_lock(&dpm_list_mtx); if (error) { pm_dev_err(dev, state, " late", error); + put_device(dev); break; } dev->power.status = DPM_OFF_IRQ; + if (!list_empty(&dev->power.entry)) + list_move(&dev->power.entry, &list); + put_device(dev); } + list_splice_tail(&list, &dpm_list); mutex_unlock(&dpm_list_mtx); if (error) dpm_resume_noirq(resume_event(state)); diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 541e1887996..528f6318ded 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -180,9 +180,6 @@ aoeblk_make_request(struct request_queue *q, struct bio *bio) BUG(); bio_endio(bio, -ENXIO); return 0; - } else if (bio->bi_rw & REQ_HARDBARRIER) { - bio_endio(bio, -EOPNOTSUPP); - return 0; } else if (bio->bi_io_vec == NULL) { printk(KERN_ERR "aoe: bi_io_vec is NULL\n"); BUG(); diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 2cc4dda4627..a67d0a611a8 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -113,6 +113,8 @@ static struct board_type products[] = { {0x409D0E11, "Smart Array 6400 EM", &SA5_access}, {0x40910E11, "Smart Array 6i", &SA5_access}, {0x3225103C, "Smart Array P600", &SA5_access}, + {0x3223103C, "Smart Array P800", &SA5_access}, + {0x3234103C, "Smart Array P400", &SA5_access}, {0x3235103C, "Smart Array P400i", &SA5_access}, {0x3211103C, "Smart Array E200i", &SA5_access}, {0x3212103C, "Smart Array E200", &SA5_access}, @@ -3753,7 +3755,7 @@ static void __devinit cciss_wait_for_mode_change_ack(ctlr_info_t *h) for (i = 0; i < MAX_CONFIG_WAIT; i++) { if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) break; - msleep(10); + usleep_range(10000, 20000); } } @@ -3937,10 +3939,9 @@ static int __devinit cciss_lookup_board_id(struct pci_dev *pdev, u32 *board_id) *board_id = ((subsystem_device_id << 16) & 0xffff0000) | subsystem_vendor_id; - for (i = 0; i < ARRAY_SIZE(products); i++) { + for (i = 0; i < ARRAY_SIZE(products); i++) if (*board_id == products[i].board_id) return i; - } dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x, ignoring.\n", *board_id); return -ENODEV; @@ -3971,18 +3972,31 @@ static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev, return -ENODEV; } -static int __devinit cciss_wait_for_board_ready(ctlr_info_t *h) +static int __devinit cciss_wait_for_board_state(struct pci_dev *pdev, + void __iomem *vaddr, int wait_for_ready) +#define BOARD_READY 1 +#define BOARD_NOT_READY 0 { - int i; + int i, iterations; u32 scratchpad; - for (i = 0; i < CCISS_BOARD_READY_ITERATIONS; i++) { - scratchpad = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET); - if (scratchpad == CCISS_FIRMWARE_READY) - return 0; + if (wait_for_ready) + iterations = CCISS_BOARD_READY_ITERATIONS; + else + iterations = CCISS_BOARD_NOT_READY_ITERATIONS; + + for (i = 0; i < iterations; i++) { + scratchpad = readl(vaddr + SA5_SCRATCHPAD_OFFSET); + if (wait_for_ready) { + if (scratchpad == CCISS_FIRMWARE_READY) + return 0; + } else { + if (scratchpad != CCISS_FIRMWARE_READY) + return 0; + } msleep(CCISS_BOARD_READY_POLL_INTERVAL_MSECS); } - dev_warn(&h->pdev->dev, "board not ready, timed out.\n"); + dev_warn(&pdev->dev, "board not ready, timed out.\n"); return -ENODEV; } @@ -4031,6 +4045,11 @@ static int __devinit cciss_find_cfgtables(ctlr_info_t *h) static void __devinit cciss_get_max_perf_mode_cmds(struct ctlr_info *h) { h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands)); + + /* Limit commands in memory limited kdump scenario. */ + if (reset_devices && h->max_commands > 32) + h->max_commands = 32; + if (h->max_commands < 16) { dev_warn(&h->pdev->dev, "Controller reports " "max supported commands of %d, an obvious lie. " @@ -4148,7 +4167,7 @@ static int __devinit cciss_pci_init(ctlr_info_t *h) err = -ENOMEM; goto err_out_free_res; } - err = cciss_wait_for_board_ready(h); + err = cciss_wait_for_board_state(h->pdev, h->vaddr, BOARD_READY); if (err) goto err_out_free_res; err = cciss_find_cfgtables(h); @@ -4313,36 +4332,6 @@ static __devinit int cciss_message(struct pci_dev *pdev, unsigned char opcode, u #define cciss_soft_reset_controller(p) cciss_message(p, 1, 0) #define cciss_noop(p) cciss_message(p, 3, 0) -static __devinit int cciss_reset_msi(struct pci_dev *pdev) -{ -/* the #defines are stolen from drivers/pci/msi.h. */ -#define msi_control_reg(base) (base + PCI_MSI_FLAGS) -#define PCI_MSIX_FLAGS_ENABLE (1 << 15) - - int pos; - u16 control = 0; - - pos = pci_find_capability(pdev, PCI_CAP_ID_MSI); - if (pos) { - pci_read_config_word(pdev, msi_control_reg(pos), &control); - if (control & PCI_MSI_FLAGS_ENABLE) { - dev_info(&pdev->dev, "resetting MSI\n"); - pci_write_config_word(pdev, msi_control_reg(pos), control & ~PCI_MSI_FLAGS_ENABLE); - } - } - - pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); - if (pos) { - pci_read_config_word(pdev, msi_control_reg(pos), &control); - if (control & PCI_MSIX_FLAGS_ENABLE) { - dev_info(&pdev->dev, "resetting MSI-X\n"); - pci_write_config_word(pdev, msi_control_reg(pos), control & ~PCI_MSIX_FLAGS_ENABLE); - } - } - - return 0; -} - static int cciss_controller_hard_reset(struct pci_dev *pdev, void * __iomem vaddr, bool use_doorbell) { @@ -4397,17 +4386,17 @@ static int cciss_controller_hard_reset(struct pci_dev *pdev, * states or using the doorbell register. */ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) { - u16 saved_config_space[32]; u64 cfg_offset; u32 cfg_base_addr; u64 cfg_base_addr_index; void __iomem *vaddr; unsigned long paddr; u32 misc_fw_support, active_transport; - int rc, i; + int rc; CfgTable_struct __iomem *cfgtable; bool use_doorbell; u32 board_id; + u16 command_register; /* For controllers as old a the p600, this is very nearly * the same thing as @@ -4417,14 +4406,6 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) * pci_set_power_state(pci_dev, PCI_D0); * pci_restore_state(pci_dev); * - * but we can't use these nice canned kernel routines on - * kexec, because they also check the MSI/MSI-X state in PCI - * configuration space and do the wrong thing when it is - * set/cleared. Also, the pci_save/restore_state functions - * violate the ordering requirements for restoring the - * configuration space from the CCISS document (see the - * comment below). So we roll our own .... - * * For controllers newer than the P600, the pci power state * method of resetting doesn't work so we have another way * using the doorbell register. @@ -4443,8 +4424,13 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) return -ENODEV; } - for (i = 0; i < 32; i++) - pci_read_config_word(pdev, 2*i, &saved_config_space[i]); + /* Save the PCI command register */ + pci_read_config_word(pdev, 4, &command_register); + /* Turn the board off. This is so that later pci_restore_state() + * won't turn the board on before the rest of config space is ready. + */ + pci_disable_device(pdev); + pci_save_state(pdev); /* find the first memory BAR, so we can find the cfg table */ rc = cciss_pci_find_memory_BAR(pdev, &paddr); @@ -4479,26 +4465,32 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell); if (rc) goto unmap_cfgtable; - - /* Restore the PCI configuration space. The Open CISS - * Specification says, "Restore the PCI Configuration - * Registers, offsets 00h through 60h. It is important to - * restore the command register, 16-bits at offset 04h, - * last. Do not restore the configuration status register, - * 16-bits at offset 06h." Note that the offset is 2*i. - */ - for (i = 0; i < 32; i++) { - if (i == 2 || i == 3) - continue; - pci_write_config_word(pdev, 2*i, saved_config_space[i]); + pci_restore_state(pdev); + rc = pci_enable_device(pdev); + if (rc) { + dev_warn(&pdev->dev, "failed to enable device.\n"); + goto unmap_cfgtable; } - wmb(); - pci_write_config_word(pdev, 4, saved_config_space[2]); + pci_write_config_word(pdev, 4, command_register); /* Some devices (notably the HP Smart Array 5i Controller) need a little pause here */ msleep(CCISS_POST_RESET_PAUSE_MSECS); + /* Wait for board to become not ready, then ready. */ + dev_info(&pdev->dev, "Waiting for board to become ready.\n"); + rc = cciss_wait_for_board_state(pdev, vaddr, BOARD_NOT_READY); + if (rc) /* Don't bail, might be E500, etc. which can't be reset */ + dev_warn(&pdev->dev, + "failed waiting for board to become not ready\n"); + rc = cciss_wait_for_board_state(pdev, vaddr, BOARD_READY); + if (rc) { + dev_warn(&pdev->dev, + "failed waiting for board to become ready\n"); + goto unmap_cfgtable; + } + dev_info(&pdev->dev, "board ready.\n"); + /* Controller should be in simple mode at this point. If it's not, * It means we're on one of those controllers which doesn't support * the doorbell reset method and on which the PCI power management reset @@ -4539,8 +4531,6 @@ static __devinit int cciss_init_reset_devices(struct pci_dev *pdev) return 0; /* just try to do the kdump anyhow. */ if (rc) return -ENODEV; - if (cciss_reset_msi(pdev)) - return -ENODEV; /* Now try to get the controller to respond to a no-op */ for (i = 0; i < CCISS_POST_RESET_NOOP_RETRIES; i++) { @@ -4936,7 +4926,8 @@ static void __exit cciss_cleanup(void) } } kthread_stop(cciss_scan_thread); - remove_proc_entry("driver/cciss", NULL); + if (proc_cciss) + remove_proc_entry("driver/cciss", NULL); bus_unregister(&cciss_bus_type); } diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h index ae340ffc8f8..4b8933d778f 100644 --- a/drivers/block/cciss.h +++ b/drivers/block/cciss.h @@ -200,10 +200,14 @@ struct ctlr_info * the above. */ #define CCISS_BOARD_READY_WAIT_SECS (120) +#define CCISS_BOARD_NOT_READY_WAIT_SECS (10) #define CCISS_BOARD_READY_POLL_INTERVAL_MSECS (100) #define CCISS_BOARD_READY_ITERATIONS \ ((CCISS_BOARD_READY_WAIT_SECS * 1000) / \ CCISS_BOARD_READY_POLL_INTERVAL_MSECS) +#define CCISS_BOARD_NOT_READY_ITERATIONS \ + ((CCISS_BOARD_NOT_READY_WAIT_SECS * 1000) / \ + CCISS_BOARD_READY_POLL_INTERVAL_MSECS) #define CCISS_POST_RESET_PAUSE_MSECS (3000) #define CCISS_POST_RESET_NOOP_INTERVAL_MSECS (1000) #define CCISS_POST_RESET_NOOP_RETRIES (12) diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c index 575495f3c4b..727d0225b7d 100644 --- a/drivers/block/cciss_scsi.c +++ b/drivers/block/cciss_scsi.c @@ -62,8 +62,8 @@ static int cciss_scsi_proc_info( int length, /* length of data in buffer */ int func); /* 0 == read, 1 == write */ -static int cciss_scsi_queue_command (struct scsi_cmnd *cmd, - void (* done)(struct scsi_cmnd *)); +static int cciss_scsi_queue_command (struct Scsi_Host *h, + struct scsi_cmnd *cmd); static int cciss_eh_device_reset_handler(struct scsi_cmnd *); static int cciss_eh_abort_handler(struct scsi_cmnd *); @@ -1406,7 +1406,7 @@ static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *c, static int -cciss_scsi_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) +cciss_scsi_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { ctlr_info_t *h; int rc; @@ -1504,6 +1504,8 @@ cciss_scsi_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd return 0; } +static DEF_SCSI_QCMD(cciss_scsi_queue_command) + static void cciss_unregister_scsi(ctlr_info_t *h) { struct cciss_scsi_adapter_data_t *sa; diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index ac04ef97eac..ba95cba192b 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -78,11 +78,10 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, init_completion(&md_io.event); md_io.error = 0; - if ((rw & WRITE) && !test_bit(MD_NO_BARRIER, &mdev->flags)) - rw |= REQ_HARDBARRIER; + if ((rw & WRITE) && !test_bit(MD_NO_FUA, &mdev->flags)) + rw |= REQ_FUA; rw |= REQ_UNPLUG | REQ_SYNC; - retry: bio = bio_alloc(GFP_NOIO, 1); bio->bi_bdev = bdev->md_bdev; bio->bi_sector = sector; @@ -100,17 +99,6 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, wait_for_completion(&md_io.event); ok = bio_flagged(bio, BIO_UPTODATE) && md_io.error == 0; - /* check for unsupported barrier op. - * would rather check on EOPNOTSUPP, but that is not reliable. - * don't try again for ANY return value != 0 */ - if (unlikely((bio->bi_rw & REQ_HARDBARRIER) && !ok)) { - /* Try again with no barrier */ - dev_warn(DEV, "Barriers not supported on meta data device - disabling\n"); - set_bit(MD_NO_BARRIER, &mdev->flags); - rw &= ~REQ_HARDBARRIER; - bio_put(bio); - goto retry; - } out: bio_put(bio); return ok; @@ -284,18 +272,32 @@ w_al_write_transaction(struct drbd_conf *mdev, struct drbd_work *w, int unused) u32 xor_sum = 0; if (!get_ldev(mdev)) { - dev_err(DEV, "get_ldev() failed in w_al_write_transaction\n"); + dev_err(DEV, + "disk is %s, cannot start al transaction (-%d +%d)\n", + drbd_disk_str(mdev->state.disk), evicted, new_enr); complete(&((struct update_al_work *)w)->event); return 1; } /* do we have to do a bitmap write, first? * TODO reduce maximum latency: * submit both bios, then wait for both, - * instead of doing two synchronous sector writes. */ + * instead of doing two synchronous sector writes. + * For now, we must not write the transaction, + * if we cannot write out the bitmap of the evicted extent. */ if (mdev->state.conn < C_CONNECTED && evicted != LC_FREE) drbd_bm_write_sect(mdev, evicted/AL_EXT_PER_BM_SECT); - mutex_lock(&mdev->md_io_mutex); /* protects md_io_page, al_tr_cycle, ... */ + /* The bitmap write may have failed, causing a state change. */ + if (mdev->state.disk < D_INCONSISTENT) { + dev_err(DEV, + "disk is %s, cannot write al transaction (-%d +%d)\n", + drbd_disk_str(mdev->state.disk), evicted, new_enr); + complete(&((struct update_al_work *)w)->event); + put_ldev(mdev); + return 1; + } + + mutex_lock(&mdev->md_io_mutex); /* protects md_io_buffer, al_tr_cycle, ... */ buffer = (struct al_transaction *)page_address(mdev->md_io_page); buffer->magic = __constant_cpu_to_be32(DRBD_MAGIC); @@ -739,7 +741,7 @@ void drbd_al_apply_to_bm(struct drbd_conf *mdev) unsigned int enr; unsigned long add = 0; char ppb[10]; - int i; + int i, tmp; wait_event(mdev->al_wait, lc_try_lock(mdev->act_log)); @@ -747,7 +749,9 @@ void drbd_al_apply_to_bm(struct drbd_conf *mdev) enr = lc_element_by_index(mdev->act_log, i)->lc_number; if (enr == LC_FREE) continue; - add += drbd_bm_ALe_set_all(mdev, enr); + tmp = drbd_bm_ALe_set_all(mdev, enr); + dynamic_dev_dbg(DEV, "AL: set %d bits in extent %u\n", tmp, enr); + add += tmp; } lc_unlock(mdev->act_log); diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 9bdcf4393c0..1ea1a34e78b 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -114,11 +114,11 @@ struct drbd_conf; #define D_ASSERT(exp) if (!(exp)) \ dev_err(DEV, "ASSERT( " #exp " ) in %s:%d\n", __FILE__, __LINE__) -#define ERR_IF(exp) if (({ \ - int _b = (exp) != 0; \ - if (_b) dev_err(DEV, "%s: (%s) in %s:%d\n", \ - __func__, #exp, __FILE__, __LINE__); \ - _b; \ +#define ERR_IF(exp) if (({ \ + int _b = (exp) != 0; \ + if (_b) dev_err(DEV, "ASSERT FAILED: %s: (%s) in %s:%d\n", \ + __func__, #exp, __FILE__, __LINE__); \ + _b; \ })) /* Defines to control fault insertion */ @@ -749,17 +749,12 @@ struct drbd_epoch { /* drbd_epoch flag bits */ enum { - DE_BARRIER_IN_NEXT_EPOCH_ISSUED, - DE_BARRIER_IN_NEXT_EPOCH_DONE, - DE_CONTAINS_A_BARRIER, DE_HAVE_BARRIER_NUMBER, - DE_IS_FINISHING, }; enum epoch_event { EV_PUT, EV_GOT_BARRIER_NR, - EV_BARRIER_DONE, EV_BECAME_LAST, EV_CLEANUP = 32, /* used as flag */ }; @@ -801,11 +796,6 @@ enum { __EE_CALL_AL_COMPLETE_IO, __EE_MAY_SET_IN_SYNC, - /* This epoch entry closes an epoch using a barrier. - * On sucessful completion, the epoch is released, - * and the P_BARRIER_ACK send. */ - __EE_IS_BARRIER, - /* In case a barrier failed, * we need to resubmit without the barrier flag. */ __EE_RESUBMITTED, @@ -820,7 +810,6 @@ enum { }; #define EE_CALL_AL_COMPLETE_IO (1<<__EE_CALL_AL_COMPLETE_IO) #define EE_MAY_SET_IN_SYNC (1<<__EE_MAY_SET_IN_SYNC) -#define EE_IS_BARRIER (1<<__EE_IS_BARRIER) #define EE_RESUBMITTED (1<<__EE_RESUBMITTED) #define EE_WAS_ERROR (1<<__EE_WAS_ERROR) #define EE_HAS_DIGEST (1<<__EE_HAS_DIGEST) @@ -843,16 +832,15 @@ enum { * Gets cleared when the state.conn * goes into C_CONNECTED state. */ WRITE_BM_AFTER_RESYNC, /* A kmalloc() during resync failed */ - NO_BARRIER_SUPP, /* underlying block device doesn't implement barriers */ CONSIDER_RESYNC, - MD_NO_BARRIER, /* meta data device does not support barriers, - so don't even try */ + MD_NO_FUA, /* Users wants us to not use FUA/FLUSH on meta data dev */ SUSPEND_IO, /* suspend application io */ BITMAP_IO, /* suspend application io; once no more io in flight, start bitmap io */ BITMAP_IO_QUEUED, /* Started bitmap IO */ - GO_DISKLESS, /* Disk failed, local_cnt reached zero, we are going diskless */ + GO_DISKLESS, /* Disk is being detached, on io-error or admin request. */ + WAS_IO_ERROR, /* Local disk failed returned IO error */ RESYNC_AFTER_NEG, /* Resync after online grow after the attach&negotiate finished. */ NET_CONGESTED, /* The data socket is congested */ @@ -947,7 +935,6 @@ enum write_ordering_e { WO_none, WO_drain_io, WO_bdev_flush, - WO_bio_barrier }; struct fifo_buffer { @@ -1281,6 +1268,7 @@ extern int drbd_bmio_set_n_write(struct drbd_conf *mdev); extern int drbd_bmio_clear_n_write(struct drbd_conf *mdev); extern int drbd_bitmap_io(struct drbd_conf *mdev, int (*io_fn)(struct drbd_conf *), char *why); extern void drbd_go_diskless(struct drbd_conf *mdev); +extern void drbd_ldev_destroy(struct drbd_conf *mdev); /* Meta data layout @@ -1798,17 +1786,17 @@ static inline void __drbd_chk_io_error_(struct drbd_conf *mdev, int forcedetach, case EP_PASS_ON: if (!forcedetach) { if (__ratelimit(&drbd_ratelimit_state)) - dev_err(DEV, "Local IO failed in %s." - "Passing error on...\n", where); + dev_err(DEV, "Local IO failed in %s.\n", where); break; } /* NOTE fall through to detach case if forcedetach set */ case EP_DETACH: case EP_CALL_HELPER: + set_bit(WAS_IO_ERROR, &mdev->flags); if (mdev->state.disk > D_FAILED) { _drbd_set_state(_NS(mdev, disk, D_FAILED), CS_HARD, NULL); - dev_err(DEV, "Local IO failed in %s." - "Detaching...\n", where); + dev_err(DEV, + "Local IO failed in %s. Detaching...\n", where); } break; } @@ -1874,7 +1862,7 @@ static inline sector_t drbd_md_last_sector(struct drbd_backing_dev *bdev) static inline sector_t drbd_get_capacity(struct block_device *bdev) { /* return bdev ? get_capacity(bdev->bd_disk) : 0; */ - return bdev ? bdev->bd_inode->i_size >> 9 : 0; + return bdev ? i_size_read(bdev->bd_inode) >> 9 : 0; } /** @@ -2127,7 +2115,11 @@ static inline void put_ldev(struct drbd_conf *mdev) __release(local); D_ASSERT(i >= 0); if (i == 0) { + if (mdev->state.disk == D_DISKLESS) + /* even internal references gone, safe to destroy */ + drbd_ldev_destroy(mdev); if (mdev->state.disk == D_FAILED) + /* all application IO references gone. */ drbd_go_diskless(mdev); wake_up(&mdev->misc_wait); } @@ -2138,6 +2130,10 @@ static inline int _get_ldev_if_state(struct drbd_conf *mdev, enum drbd_disk_stat { int io_allowed; + /* never get a reference while D_DISKLESS */ + if (mdev->state.disk == D_DISKLESS) + return 0; + atomic_inc(&mdev->local_cnt); io_allowed = (mdev->state.disk >= mins); if (!io_allowed) @@ -2406,12 +2402,12 @@ static inline void drbd_md_flush(struct drbd_conf *mdev) { int r; - if (test_bit(MD_NO_BARRIER, &mdev->flags)) + if (test_bit(MD_NO_FUA, &mdev->flags)) return; r = blkdev_issue_flush(mdev->ldev->md_bdev, GFP_KERNEL, NULL); if (r) { - set_bit(MD_NO_BARRIER, &mdev->flags); + set_bit(MD_NO_FUA, &mdev->flags); dev_err(DEV, "meta data flush failed with status %d, disabling md-flushes\n", r); } } diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 25c7a73c506..6be5401d0e8 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -835,6 +835,15 @@ static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state ns.conn != C_UNCONNECTED && ns.conn != C_DISCONNECTING && ns.conn <= C_TEAR_DOWN) ns.conn = os.conn; + /* we cannot fail (again) if we already detached */ + if (ns.disk == D_FAILED && os.disk == D_DISKLESS) + ns.disk = D_DISKLESS; + + /* if we are only D_ATTACHING yet, + * we can (and should) go directly to D_DISKLESS. */ + if (ns.disk == D_FAILED && os.disk == D_ATTACHING) + ns.disk = D_DISKLESS; + /* After C_DISCONNECTING only C_STANDALONE may follow */ if (os.conn == C_DISCONNECTING && ns.conn != C_STANDALONE) ns.conn = os.conn; @@ -1056,7 +1065,15 @@ int __drbd_set_state(struct drbd_conf *mdev, !test_and_set_bit(CONFIG_PENDING, &mdev->flags)) set_bit(DEVICE_DYING, &mdev->flags); - mdev->state.i = ns.i; + /* if we are going -> D_FAILED or D_DISKLESS, grab one extra reference + * on the ldev here, to be sure the transition -> D_DISKLESS resp. + * drbd_ldev_destroy() won't happen before our corresponding + * after_state_ch works run, where we put_ldev again. */ + if ((os.disk != D_FAILED && ns.disk == D_FAILED) || + (os.disk != D_DISKLESS && ns.disk == D_DISKLESS)) + atomic_inc(&mdev->local_cnt); + + mdev->state = ns; wake_up(&mdev->misc_wait); wake_up(&mdev->state_wait); @@ -1268,7 +1285,6 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os, if (test_bit(NEW_CUR_UUID, &mdev->flags)) { drbd_uuid_new_current(mdev); clear_bit(NEW_CUR_UUID, &mdev->flags); - drbd_md_sync(mdev); } spin_lock_irq(&mdev->req_lock); _drbd_set_state(_NS(mdev, susp_fen, 0), CS_VERBOSE, NULL); @@ -1365,63 +1381,64 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os, os.disk > D_INCONSISTENT && ns.disk == D_INCONSISTENT) drbd_queue_bitmap_io(mdev, &drbd_bmio_set_n_write, NULL, "set_n_write from invalidate"); - /* first half of local IO error */ - if (os.disk > D_FAILED && ns.disk == D_FAILED) { - enum drbd_io_error_p eh = EP_PASS_ON; + /* first half of local IO error, failure to attach, + * or administrative detach */ + if (os.disk != D_FAILED && ns.disk == D_FAILED) { + enum drbd_io_error_p eh; + int was_io_error; + /* corresponding get_ldev was in __drbd_set_state, to serialize + * our cleanup here with the transition to D_DISKLESS, + * so it is safe to dreference ldev here. */ + eh = mdev->ldev->dc.on_io_error; + was_io_error = test_and_clear_bit(WAS_IO_ERROR, &mdev->flags); + + /* current state still has to be D_FAILED, + * there is only one way out: to D_DISKLESS, + * and that may only happen after our put_ldev below. */ + if (mdev->state.disk != D_FAILED) + dev_err(DEV, + "ASSERT FAILED: disk is %s during detach\n", + drbd_disk_str(mdev->state.disk)); if (drbd_send_state(mdev)) - dev_warn(DEV, "Notified peer that my disk is broken.\n"); + dev_warn(DEV, "Notified peer that I am detaching my disk\n"); else - dev_err(DEV, "Sending state for drbd_io_error() failed\n"); + dev_err(DEV, "Sending state for detaching disk failed\n"); drbd_rs_cancel_all(mdev); - if (get_ldev_if_state(mdev, D_FAILED)) { - eh = mdev->ldev->dc.on_io_error; - put_ldev(mdev); - } - if (eh == EP_CALL_HELPER) + /* In case we want to get something to stable storage still, + * this may be the last chance. + * Following put_ldev may transition to D_DISKLESS. */ + drbd_md_sync(mdev); + put_ldev(mdev); + + if (was_io_error && eh == EP_CALL_HELPER) drbd_khelper(mdev, "local-io-error"); } + /* second half of local IO error, failure to attach, + * or administrative detach, + * after local_cnt references have reached zero again */ + if (os.disk != D_DISKLESS && ns.disk == D_DISKLESS) { + /* We must still be diskless, + * re-attach has to be serialized with this! */ + if (mdev->state.disk != D_DISKLESS) + dev_err(DEV, + "ASSERT FAILED: disk is %s while going diskless\n", + drbd_disk_str(mdev->state.disk)); - /* second half of local IO error handling, - * after local_cnt references have reached zero: */ - if (os.disk == D_FAILED && ns.disk == D_DISKLESS) { - mdev->rs_total = 0; - mdev->rs_failed = 0; - atomic_set(&mdev->rs_pending_cnt, 0); - } - - if (os.disk > D_DISKLESS && ns.disk == D_DISKLESS) { - /* We must still be diskless, - * re-attach has to be serialized with this! */ - if (mdev->state.disk != D_DISKLESS) - dev_err(DEV, - "ASSERT FAILED: disk is %s while going diskless\n", - drbd_disk_str(mdev->state.disk)); + mdev->rs_total = 0; + mdev->rs_failed = 0; + atomic_set(&mdev->rs_pending_cnt, 0); - /* we cannot assert local_cnt == 0 here, as get_ldev_if_state - * will inc/dec it frequently. Since we became D_DISKLESS, no - * one has touched the protected members anymore, though, so we - * are safe to free them here. */ if (drbd_send_state(mdev)) - dev_warn(DEV, "Notified peer that I detached my disk.\n"); + dev_warn(DEV, "Notified peer that I'm now diskless.\n"); else - dev_err(DEV, "Sending state for detach failed\n"); - - lc_destroy(mdev->resync); - mdev->resync = NULL; - lc_destroy(mdev->act_log); - mdev->act_log = NULL; - __no_warn(local, - drbd_free_bc(mdev->ldev); - mdev->ldev = NULL;); - - if (mdev->md_io_tmpp) { - __free_page(mdev->md_io_tmpp); - mdev->md_io_tmpp = NULL; - } + dev_err(DEV, "Sending state for being diskless failed\n"); + /* corresponding get_ldev in __drbd_set_state + * this may finaly trigger drbd_ldev_destroy. */ + put_ldev(mdev); } /* Disks got bigger while they were detached */ @@ -2772,11 +2789,6 @@ void drbd_init_set_defaults(struct drbd_conf *mdev) drbd_set_defaults(mdev); - /* for now, we do NOT yet support it, - * even though we start some framework - * to eventually support barriers */ - set_bit(NO_BARRIER_SUPP, &mdev->flags); - atomic_set(&mdev->ap_bio_cnt, 0); atomic_set(&mdev->ap_pending_cnt, 0); atomic_set(&mdev->rs_pending_cnt, 0); @@ -2842,7 +2854,7 @@ void drbd_init_set_defaults(struct drbd_conf *mdev) drbd_thread_init(mdev, &mdev->asender, drbd_asender); mdev->agreed_pro_version = PRO_VERSION_MAX; - mdev->write_ordering = WO_bio_barrier; + mdev->write_ordering = WO_bdev_flush; mdev->resync_wenr = LC_FREE; } @@ -2899,7 +2911,6 @@ void drbd_mdev_cleanup(struct drbd_conf *mdev) D_ASSERT(list_empty(&mdev->resync_work.list)); D_ASSERT(list_empty(&mdev->unplug_work.list)); D_ASSERT(list_empty(&mdev->go_diskless.list)); - } @@ -3660,6 +3671,8 @@ void drbd_uuid_new_current(struct drbd_conf *mdev) __must_hold(local) get_random_bytes(&val, sizeof(u64)); _drbd_uuid_set(mdev, UI_CURRENT, val); + /* get it to stable storage _now_ */ + drbd_md_sync(mdev); } void drbd_uuid_set_bm(struct drbd_conf *mdev, u64 val) __must_hold(local) @@ -3756,19 +3769,31 @@ static int w_bitmap_io(struct drbd_conf *mdev, struct drbd_work *w, int unused) return 1; } +void drbd_ldev_destroy(struct drbd_conf *mdev) +{ + lc_destroy(mdev->resync); + mdev->resync = NULL; + lc_destroy(mdev->act_log); + mdev->act_log = NULL; + __no_warn(local, + drbd_free_bc(mdev->ldev); + mdev->ldev = NULL;); + + if (mdev->md_io_tmpp) { + __free_page(mdev->md_io_tmpp); + mdev->md_io_tmpp = NULL; + } + clear_bit(GO_DISKLESS, &mdev->flags); +} + static int w_go_diskless(struct drbd_conf *mdev, struct drbd_work *w, int unused) { D_ASSERT(mdev->state.disk == D_FAILED); /* we cannot assert local_cnt == 0 here, as get_ldev_if_state will * inc/dec it frequently. Once we are D_DISKLESS, no one will touch - * the protected members anymore, though, so in the after_state_ch work - * it will be safe to free them. */ + * the protected members anymore, though, so once put_ldev reaches zero + * again, it will be safe to free them. */ drbd_force_state(mdev, NS(disk, D_DISKLESS)); - /* We need to wait for return of references checked out while we still - * have been D_FAILED, though (drbd_md_sync, bitmap io). */ - wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt)); - - clear_bit(GO_DISKLESS, &mdev->flags); return 1; } @@ -3777,9 +3802,6 @@ void drbd_go_diskless(struct drbd_conf *mdev) D_ASSERT(mdev->state.disk == D_FAILED); if (!test_and_set_bit(GO_DISKLESS, &mdev->flags)) drbd_queue_work(&mdev->data.work, &mdev->go_diskless); - /* don't drbd_queue_work_front, - * we need to serialize with the after_state_ch work - * of the -> D_FAILED transition. */ } /** diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 87925e97e61..29e5c70e4e2 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -870,6 +870,11 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp retcode = ERR_DISK_CONFIGURED; goto fail; } + /* It may just now have detached because of IO error. Make sure + * drbd_ldev_destroy is done already, we may end up here very fast, + * e.g. if someone calls attach from the on-io-error handler, + * to realize a "hot spare" feature (not that I'd recommend that) */ + wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt)); /* allocation not in the IO path, cqueue thread context */ nbc = kzalloc(sizeof(struct drbd_backing_dev), GFP_KERNEL); @@ -1098,9 +1103,9 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp /* Reset the "barriers don't work" bits here, then force meta data to * be written, to ensure we determine if barriers are supported. */ if (nbc->dc.no_md_flush) - set_bit(MD_NO_BARRIER, &mdev->flags); + set_bit(MD_NO_FUA, &mdev->flags); else - clear_bit(MD_NO_BARRIER, &mdev->flags); + clear_bit(MD_NO_FUA, &mdev->flags); /* Point of no return reached. * Devices and memory are no longer released by error cleanup below. @@ -1112,8 +1117,8 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp nbc = NULL; resync_lru = NULL; - mdev->write_ordering = WO_bio_barrier; - drbd_bump_write_ordering(mdev, WO_bio_barrier); + mdev->write_ordering = WO_bdev_flush; + drbd_bump_write_ordering(mdev, WO_bdev_flush); if (drbd_md_test_flag(mdev->ldev, MDF_CRASHED_PRIMARY)) set_bit(CRASHED_PRIMARY, &mdev->flags); @@ -1262,7 +1267,7 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp force_diskless_dec: put_ldev(mdev); force_diskless: - drbd_force_state(mdev, NS(disk, D_DISKLESS)); + drbd_force_state(mdev, NS(disk, D_FAILED)); drbd_md_sync(mdev); release_bdev2_fail: if (nbc) @@ -1285,10 +1290,19 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp return 0; } +/* Detaching the disk is a process in multiple stages. First we need to lock + * out application IO, in-flight IO, IO stuck in drbd_al_begin_io. + * Then we transition to D_DISKLESS, and wait for put_ldev() to return all + * internal references as well. + * Only then we have finally detached. */ static int drbd_nl_detach(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp, struct drbd_nl_cfg_reply *reply) { + drbd_suspend_io(mdev); /* so no-one is stuck in drbd_al_begin_io */ reply->ret_code = drbd_request_state(mdev, NS(disk, D_DISKLESS)); + if (mdev->state.disk == D_DISKLESS) + wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt)); + drbd_resume_io(mdev); return 0; } @@ -1953,7 +1967,6 @@ static int drbd_nl_resume_io(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp if (test_bit(NEW_CUR_UUID, &mdev->flags)) { drbd_uuid_new_current(mdev); clear_bit(NEW_CUR_UUID, &mdev->flags); - drbd_md_sync(mdev); } drbd_suspend_io(mdev); reply->ret_code = drbd_request_state(mdev, NS3(susp, 0, susp_nod, 0, susp_fen, 0)); diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c index ad325c5d0ce..7e6ac307e2d 100644 --- a/drivers/block/drbd/drbd_proc.c +++ b/drivers/block/drbd/drbd_proc.c @@ -158,7 +158,6 @@ static int drbd_seq_show(struct seq_file *seq, void *v) [WO_none] = 'n', [WO_drain_io] = 'd', [WO_bdev_flush] = 'f', - [WO_bio_barrier] = 'b', }; seq_printf(seq, "version: " REL_VERSION " (api:%d/proto:%d-%d)\n%s\n", diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index efd6169acf2..89d8a7cc405 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -36,7 +36,6 @@ #include <linux/memcontrol.h> #include <linux/mm_inline.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/pkt_sched.h> #define __KERNEL_SYSCALLS__ #include <linux/unistd.h> @@ -49,11 +48,6 @@ #include "drbd_vli.h" -struct flush_work { - struct drbd_work w; - struct drbd_epoch *epoch; -}; - enum finish_epoch { FE_STILL_LIVE, FE_DESTROYED, @@ -66,16 +60,6 @@ static int drbd_do_auth(struct drbd_conf *mdev); static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *, struct drbd_epoch *, enum epoch_event); static int e_end_block(struct drbd_conf *, struct drbd_work *, int); -static struct drbd_epoch *previous_epoch(struct drbd_conf *mdev, struct drbd_epoch *epoch) -{ - struct drbd_epoch *prev; - spin_lock(&mdev->epoch_lock); - prev = list_entry(epoch->list.prev, struct drbd_epoch, list); - if (prev == epoch || prev == mdev->current_epoch) - prev = NULL; - spin_unlock(&mdev->epoch_lock); - return prev; -} #define GFP_TRY (__GFP_HIGHMEM | __GFP_NOWARN) @@ -981,7 +965,7 @@ static int drbd_recv_header(struct drbd_conf *mdev, enum drbd_packets *cmd, unsi return TRUE; } -static enum finish_epoch drbd_flush_after_epoch(struct drbd_conf *mdev, struct drbd_epoch *epoch) +static void drbd_flush(struct drbd_conf *mdev) { int rv; @@ -997,24 +981,6 @@ static enum finish_epoch drbd_flush_after_epoch(struct drbd_conf *mdev, struct d } put_ldev(mdev); } - - return drbd_may_finish_epoch(mdev, epoch, EV_BARRIER_DONE); -} - -static int w_flush(struct drbd_conf *mdev, struct drbd_work *w, int cancel) -{ - struct flush_work *fw = (struct flush_work *)w; - struct drbd_epoch *epoch = fw->epoch; - - kfree(w); - - if (!test_and_set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags)) - drbd_flush_after_epoch(mdev, epoch); - - drbd_may_finish_epoch(mdev, epoch, EV_PUT | - (mdev->state.conn < C_CONNECTED ? EV_CLEANUP : 0)); - - return 1; } /** @@ -1027,15 +993,13 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev, struct drbd_epoch *epoch, enum epoch_event ev) { - int finish, epoch_size; + int epoch_size; struct drbd_epoch *next_epoch; - int schedule_flush = 0; enum finish_epoch rv = FE_STILL_LIVE; spin_lock(&mdev->epoch_lock); do { next_epoch = NULL; - finish = 0; epoch_size = atomic_read(&epoch->epoch_size); @@ -1045,16 +1009,6 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev, break; case EV_GOT_BARRIER_NR: set_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags); - - /* Special case: If we just switched from WO_bio_barrier to - WO_bdev_flush we should not finish the current epoch */ - if (test_bit(DE_CONTAINS_A_BARRIER, &epoch->flags) && epoch_size == 1 && - mdev->write_ordering != WO_bio_barrier && - epoch == mdev->current_epoch) - clear_bit(DE_CONTAINS_A_BARRIER, &epoch->flags); - break; - case EV_BARRIER_DONE: - set_bit(DE_BARRIER_IN_NEXT_EPOCH_DONE, &epoch->flags); break; case EV_BECAME_LAST: /* nothing to do*/ @@ -1063,23 +1017,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev, if (epoch_size != 0 && atomic_read(&epoch->active) == 0 && - test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags) && - epoch->list.prev == &mdev->current_epoch->list && - !test_bit(DE_IS_FINISHING, &epoch->flags)) { - /* Nearly all conditions are met to finish that epoch... */ - if (test_bit(DE_BARRIER_IN_NEXT_EPOCH_DONE, &epoch->flags) || - mdev->write_ordering == WO_none || - (epoch_size == 1 && test_bit(DE_CONTAINS_A_BARRIER, &epoch->flags)) || - ev & EV_CLEANUP) { - finish = 1; - set_bit(DE_IS_FINISHING, &epoch->flags); - } else if (!test_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags) && - mdev->write_ordering == WO_bio_barrier) { - atomic_inc(&epoch->active); - schedule_flush = 1; - } - } - if (finish) { + test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags)) { if (!(ev & EV_CLEANUP)) { spin_unlock(&mdev->epoch_lock); drbd_send_b_ack(mdev, epoch->barrier_nr, epoch_size); @@ -1102,6 +1040,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev, /* atomic_set(&epoch->active, 0); is already zero */ if (rv == FE_STILL_LIVE) rv = FE_RECYCLED; + wake_up(&mdev->ee_wait); } } @@ -1113,22 +1052,6 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev, spin_unlock(&mdev->epoch_lock); - if (schedule_flush) { - struct flush_work *fw; - fw = kmalloc(sizeof(*fw), GFP_ATOMIC); - if (fw) { - fw->w.cb = w_flush; - fw->epoch = epoch; - drbd_queue_work(&mdev->data.work, &fw->w); - } else { - dev_warn(DEV, "Could not kmalloc a flush_work obj\n"); - set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags); - /* That is not a recursion, only one level */ - drbd_may_finish_epoch(mdev, epoch, EV_BARRIER_DONE); - drbd_may_finish_epoch(mdev, epoch, EV_PUT); - } - } - return rv; } @@ -1144,19 +1067,16 @@ void drbd_bump_write_ordering(struct drbd_conf *mdev, enum write_ordering_e wo) [WO_none] = "none", [WO_drain_io] = "drain", [WO_bdev_flush] = "flush", - [WO_bio_barrier] = "barrier", }; pwo = mdev->write_ordering; wo = min(pwo, wo); - if (wo == WO_bio_barrier && mdev->ldev->dc.no_disk_barrier) - wo = WO_bdev_flush; if (wo == WO_bdev_flush && mdev->ldev->dc.no_disk_flush) wo = WO_drain_io; if (wo == WO_drain_io && mdev->ldev->dc.no_disk_drain) wo = WO_none; mdev->write_ordering = wo; - if (pwo != mdev->write_ordering || wo == WO_bio_barrier) + if (pwo != mdev->write_ordering || wo == WO_bdev_flush) dev_info(DEV, "Method to ensure write ordering: %s\n", write_ordering_str[mdev->write_ordering]); } @@ -1192,7 +1112,7 @@ next_bio: bio->bi_sector = sector; bio->bi_bdev = mdev->ldev->backing_bdev; /* we special case some flags in the multi-bio case, see below - * (REQ_UNPLUG, REQ_HARDBARRIER) */ + * (REQ_UNPLUG) */ bio->bi_rw = rw; bio->bi_private = e; bio->bi_end_io = drbd_endio_sec; @@ -1226,11 +1146,6 @@ next_bio: bio->bi_rw &= ~REQ_UNPLUG; drbd_generic_make_request(mdev, fault_type, bio); - - /* strip off REQ_HARDBARRIER, - * unless it is the first or last bio */ - if (bios && bios->bi_next) - bios->bi_rw &= ~REQ_HARDBARRIER; } while (bios); maybe_kick_lo(mdev); return 0; @@ -1244,45 +1159,9 @@ fail: return -ENOMEM; } -/** - * w_e_reissue() - Worker callback; Resubmit a bio, without REQ_HARDBARRIER set - * @mdev: DRBD device. - * @w: work object. - * @cancel: The connection will be closed anyways (unused in this callback) - */ -int w_e_reissue(struct drbd_conf *mdev, struct drbd_work *w, int cancel) __releases(local) -{ - struct drbd_epoch_entry *e = (struct drbd_epoch_entry *)w; - /* We leave DE_CONTAINS_A_BARRIER and EE_IS_BARRIER in place, - (and DE_BARRIER_IN_NEXT_EPOCH_ISSUED in the previous Epoch) - so that we can finish that epoch in drbd_may_finish_epoch(). - That is necessary if we already have a long chain of Epochs, before - we realize that REQ_HARDBARRIER is actually not supported */ - - /* As long as the -ENOTSUPP on the barrier is reported immediately - that will never trigger. If it is reported late, we will just - print that warning and continue correctly for all future requests - with WO_bdev_flush */ - if (previous_epoch(mdev, e->epoch)) - dev_warn(DEV, "Write ordering was not enforced (one time event)\n"); - - /* we still have a local reference, - * get_ldev was done in receive_Data. */ - - e->w.cb = e_end_block; - if (drbd_submit_ee(mdev, e, WRITE, DRBD_FAULT_DT_WR) != 0) { - /* drbd_submit_ee fails for one reason only: - * if was not able to allocate sufficient bios. - * requeue, try again later. */ - e->w.cb = w_e_reissue; - drbd_queue_work(&mdev->data.work, &e->w); - } - return 1; -} - static int receive_Barrier(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned int data_size) { - int rv, issue_flush; + int rv; struct p_barrier *p = &mdev->data.rbuf.barrier; struct drbd_epoch *epoch; @@ -1300,44 +1179,40 @@ static int receive_Barrier(struct drbd_conf *mdev, enum drbd_packets cmd, unsign * Therefore we must send the barrier_ack after the barrier request was * completed. */ switch (mdev->write_ordering) { - case WO_bio_barrier: case WO_none: if (rv == FE_RECYCLED) return TRUE; - break; + + /* receiver context, in the writeout path of the other node. + * avoid potential distributed deadlock */ + epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); + if (epoch) + break; + else + dev_warn(DEV, "Allocation of an epoch failed, slowing down\n"); + /* Fall through */ case WO_bdev_flush: case WO_drain_io: - if (rv == FE_STILL_LIVE) { - set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &mdev->current_epoch->flags); - drbd_wait_ee_list_empty(mdev, &mdev->active_ee); - rv = drbd_flush_after_epoch(mdev, mdev->current_epoch); - } - if (rv == FE_RECYCLED) - return TRUE; - - /* The asender will send all the ACKs and barrier ACKs out, since - all EEs moved from the active_ee to the done_ee. We need to - provide a new epoch object for the EEs that come in soon */ - break; - } - - /* receiver context, in the writeout path of the other node. - * avoid potential distributed deadlock */ - epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); - if (!epoch) { - dev_warn(DEV, "Allocation of an epoch failed, slowing down\n"); - issue_flush = !test_and_set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &mdev->current_epoch->flags); drbd_wait_ee_list_empty(mdev, &mdev->active_ee); - if (issue_flush) { - rv = drbd_flush_after_epoch(mdev, mdev->current_epoch); - if (rv == FE_RECYCLED) - return TRUE; + drbd_flush(mdev); + + if (atomic_read(&mdev->current_epoch->epoch_size)) { + epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); + if (epoch) + break; } - drbd_wait_ee_list_empty(mdev, &mdev->done_ee); + epoch = mdev->current_epoch; + wait_event(mdev->ee_wait, atomic_read(&epoch->epoch_size) == 0); + + D_ASSERT(atomic_read(&epoch->active) == 0); + D_ASSERT(epoch->flags == 0); return TRUE; + default: + dev_err(DEV, "Strangeness in mdev->write_ordering %d\n", mdev->write_ordering); + return FALSE; } epoch->flags = 0; @@ -1652,15 +1527,8 @@ static int e_end_block(struct drbd_conf *mdev, struct drbd_work *w, int cancel) { struct drbd_epoch_entry *e = (struct drbd_epoch_entry *)w; sector_t sector = e->sector; - struct drbd_epoch *epoch; int ok = 1, pcmd; - if (e->flags & EE_IS_BARRIER) { - epoch = previous_epoch(mdev, e->epoch); - if (epoch) - drbd_may_finish_epoch(mdev, epoch, EV_BARRIER_DONE + (cancel ? EV_CLEANUP : 0)); - } - if (mdev->net_conf->wire_protocol == DRBD_PROT_C) { if (likely((e->flags & EE_WAS_ERROR) == 0)) { pcmd = (mdev->state.conn >= C_SYNC_SOURCE && @@ -1817,27 +1685,6 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned e->epoch = mdev->current_epoch; atomic_inc(&e->epoch->epoch_size); atomic_inc(&e->epoch->active); - - if (mdev->write_ordering == WO_bio_barrier && atomic_read(&e->epoch->epoch_size) == 1) { - struct drbd_epoch *epoch; - /* Issue a barrier if we start a new epoch, and the previous epoch - was not a epoch containing a single request which already was - a Barrier. */ - epoch = list_entry(e->epoch->list.prev, struct drbd_epoch, list); - if (epoch == e->epoch) { - set_bit(DE_CONTAINS_A_BARRIER, &e->epoch->flags); - rw |= REQ_HARDBARRIER; - e->flags |= EE_IS_BARRIER; - } else { - if (atomic_read(&epoch->epoch_size) > 1 || - !test_bit(DE_CONTAINS_A_BARRIER, &epoch->flags)) { - set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags); - set_bit(DE_CONTAINS_A_BARRIER, &e->epoch->flags); - rw |= REQ_HARDBARRIER; - e->flags |= EE_IS_BARRIER; - } - } - } spin_unlock(&mdev->epoch_lock); dp_flags = be32_to_cpu(p->dp_flags); @@ -1995,10 +1842,11 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned break; } - if (mdev->state.pdsk == D_DISKLESS) { + if (mdev->state.pdsk < D_INCONSISTENT) { /* In case we have the only disk of the cluster, */ drbd_set_out_of_sync(mdev, e->sector, e->size); e->flags |= EE_CALL_AL_COMPLETE_IO; + e->flags &= ~EE_MAY_SET_IN_SYNC; drbd_al_begin_io(mdev, e->sector); } @@ -3362,7 +3210,7 @@ static int receive_state(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned if (ns.conn == C_MASK) { ns.conn = C_CONNECTED; if (mdev->state.disk == D_NEGOTIATING) { - drbd_force_state(mdev, NS(disk, D_DISKLESS)); + drbd_force_state(mdev, NS(disk, D_FAILED)); } else if (peer_state.disk == D_NEGOTIATING) { dev_err(DEV, "Disk attach process on the peer node was aborted.\n"); peer_state.disk = D_DISKLESS; diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 9e91a2545fc..11a75d32a2e 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -258,7 +258,7 @@ void _req_may_be_done(struct drbd_request *req, struct bio_and_error *m) if (!hlist_unhashed(&req->colision)) hlist_del(&req->colision); else - D_ASSERT((s & RQ_NET_MASK) == 0); + D_ASSERT((s & (RQ_NET_MASK & ~RQ_NET_DONE)) == 0); /* for writes we need to do some extra housekeeping */ if (rw == WRITE) @@ -813,7 +813,8 @@ static int drbd_make_request_common(struct drbd_conf *mdev, struct bio *bio) mdev->state.conn >= C_CONNECTED)); if (!(local || remote) && !is_susp(mdev->state)) { - dev_err(DEV, "IO ERROR: neither local nor remote disk\n"); + if (__ratelimit(&drbd_ratelimit_state)) + dev_err(DEV, "IO ERROR: neither local nor remote disk\n"); goto fail_free_complete; } @@ -942,12 +943,21 @@ allocate_barrier: if (local) { req->private_bio->bi_bdev = mdev->ldev->backing_bdev; - if (FAULT_ACTIVE(mdev, rw == WRITE ? DRBD_FAULT_DT_WR - : rw == READ ? DRBD_FAULT_DT_RD - : DRBD_FAULT_DT_RA)) + /* State may have changed since we grabbed our reference on the + * mdev->ldev member. Double check, and short-circuit to endio. + * In case the last activity log transaction failed to get on + * stable storage, and this is a WRITE, we may not even submit + * this bio. */ + if (get_ldev(mdev)) { + if (FAULT_ACTIVE(mdev, rw == WRITE ? DRBD_FAULT_DT_WR + : rw == READ ? DRBD_FAULT_DT_RD + : DRBD_FAULT_DT_RA)) + bio_endio(req->private_bio, -EIO); + else + generic_make_request(req->private_bio); + put_ldev(mdev); + } else bio_endio(req->private_bio, -EIO); - else - generic_make_request(req->private_bio); } /* we need to plug ALWAYS since we possibly need to kick lo_dev. @@ -1022,20 +1032,6 @@ int drbd_make_request_26(struct request_queue *q, struct bio *bio) return 0; } - /* Reject barrier requests if we know the underlying device does - * not support them. - * XXX: Need to get this info from peer as well some how so we - * XXX: reject if EITHER side/data/metadata area does not support them. - * - * because of those XXX, this is not yet enabled, - * i.e. in drbd_init_set_defaults we set the NO_BARRIER_SUPP bit. - */ - if (unlikely(bio->bi_rw & REQ_HARDBARRIER) && test_bit(NO_BARRIER_SUPP, &mdev->flags)) { - /* dev_warn(DEV, "Rejecting barrier request as underlying device does not support\n"); */ - bio_endio(bio, -EOPNOTSUPP); - return 0; - } - /* * what we "blindly" assume: */ diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 108d58015cd..47d223c2409 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -26,7 +26,6 @@ #include <linux/module.h> #include <linux/drbd.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/wait.h> #include <linux/mm.h> #include <linux/memcontrol.h> @@ -102,12 +101,6 @@ void drbd_endio_read_sec_final(struct drbd_epoch_entry *e) __releases(local) put_ldev(mdev); } -static int is_failed_barrier(int ee_flags) -{ - return (ee_flags & (EE_IS_BARRIER|EE_WAS_ERROR|EE_RESUBMITTED)) - == (EE_IS_BARRIER|EE_WAS_ERROR); -} - /* writes on behalf of the partner, or resync writes, * "submitted" by the receiver, final stage. */ static void drbd_endio_write_sec_final(struct drbd_epoch_entry *e) __releases(local) @@ -119,21 +112,6 @@ static void drbd_endio_write_sec_final(struct drbd_epoch_entry *e) __releases(lo int is_syncer_req; int do_al_complete_io; - /* if this is a failed barrier request, disable use of barriers, - * and schedule for resubmission */ - if (is_failed_barrier(e->flags)) { - drbd_bump_write_ordering(mdev, WO_bdev_flush); - spin_lock_irqsave(&mdev->req_lock, flags); - list_del(&e->w.list); - e->flags = (e->flags & ~EE_WAS_ERROR) | EE_RESUBMITTED; - e->w.cb = w_e_reissue; - /* put_ldev actually happens below, once we come here again. */ - __release(local); - spin_unlock_irqrestore(&mdev->req_lock, flags); - drbd_queue_work(&mdev->data.work, &e->w); - return; - } - D_ASSERT(e->block_id != ID_VACANT); /* after we moved e to done_ee, @@ -925,7 +903,7 @@ out: drbd_md_sync(mdev); if (test_and_clear_bit(WRITE_BM_AFTER_RESYNC, &mdev->flags)) { - dev_warn(DEV, "Writing the whole bitmap, due to failed kmalloc\n"); + dev_info(DEV, "Writing the whole bitmap\n"); drbd_queue_bitmap_io(mdev, &drbd_bm_write, NULL, "write from resync_finished"); } diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 767107cce98..3951020e494 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4363,9 +4363,9 @@ out_unreg_blkdev: out_put_disk: while (dr--) { del_timer(&motor_off_timer[dr]); - put_disk(disks[dr]); if (disks[dr]->queue) blk_cleanup_queue(disks[dr]->queue); + put_disk(disks[dr]); } return err; } @@ -4573,8 +4573,8 @@ static void __exit floppy_module_exit(void) device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos); platform_device_unregister(&floppy_device[drive]); } - put_disk(disks[drive]); blk_cleanup_queue(disks[drive]->queue); + put_disk(disks[drive]); } del_timer_sync(&fd_timeout); diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 1e5284ef65f..7ea0bea2f7e 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -481,12 +481,6 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio) if (bio_rw(bio) == WRITE) { struct file *file = lo->lo_backing_file; - /* REQ_HARDBARRIER is deprecated */ - if (bio->bi_rw & REQ_HARDBARRIER) { - ret = -EOPNOTSUPP; - goto out; - } - if (bio->bi_rw & REQ_FLUSH) { ret = vfs_fsync(file, 0); if (unlikely(ret && ret != -EINVAL)) { diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 06e2812ba12..255035cfc88 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -289,8 +289,6 @@ static int blkif_queue_request(struct request *req) ring_req->operation = rq_data_dir(req) ? BLKIF_OP_WRITE : BLKIF_OP_READ; - if (req->cmd_flags & REQ_HARDBARRIER) - ring_req->operation = BLKIF_OP_WRITE_BARRIER; ring_req->nr_segments = blk_rq_map_sg(req->q, req, info->sg); BUG_ON(ring_req->nr_segments > BLKIF_MAX_SEGMENTS_PER_REQUEST); diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index d120a5c1c09..ab3894f742c 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -68,6 +68,9 @@ static struct usb_device_id btusb_table[] = { /* Apple MacBookPro6,2 */ { USB_DEVICE(0x05ac, 0x8218) }, + /* Apple MacBookAir3,1, MacBookAir3,2 */ + { USB_DEVICE(0x05ac, 0x821b) }, + /* AVM BlueFRITZ! USB v2.0 */ { USB_DEVICE(0x057c, 0x3800) }, @@ -1029,6 +1032,8 @@ static int btusb_probe(struct usb_interface *intf, usb_set_intfdata(intf, data); + usb_enable_autosuspend(interface_to_usbdev(intf)); + return 0; } diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 3a9c0141683..ba53ec956c9 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -2,24 +2,10 @@ # Makefile for the kernel character device drivers. # -# -# This file contains the font map for the default (hardware) font -# -FONTMAPFILE = cp437.uni - -obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o tty_buffer.o tty_port.o - -obj-y += tty_mutex.o -obj-$(CONFIG_LEGACY_PTYS) += pty.o -obj-$(CONFIG_UNIX98_PTYS) += pty.o +obj-y += mem.o random.o obj-$(CONFIG_TTY_PRINTK) += ttyprintk.o obj-y += misc.o -obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o selection.o keyboard.o obj-$(CONFIG_BFIN_JTAG_COMM) += bfin_jtag_comm.o -obj-$(CONFIG_CONSOLE_TRANSLATIONS) += consolemap.o consolemap_deftbl.o -obj-$(CONFIG_HW_CONSOLE) += vt.o defkeymap.o -obj-$(CONFIG_AUDIT) += tty_audit.o -obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o obj-$(CONFIG_MVME147_SCC) += generic_serial.o vme_scc.o obj-$(CONFIG_MVME162_SCC) += generic_serial.o vme_scc.o obj-$(CONFIG_BVME6000_SCC) += generic_serial.o vme_scc.o @@ -41,8 +27,6 @@ obj-$(CONFIG_ISI) += isicom.o obj-$(CONFIG_SYNCLINK) += synclink.o obj-$(CONFIG_SYNCLINKMP) += synclinkmp.o obj-$(CONFIG_SYNCLINK_GT) += synclink_gt.o -obj-$(CONFIG_N_HDLC) += n_hdlc.o -obj-$(CONFIG_N_GSM) += n_gsm.o obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o obj-$(CONFIG_SX) += sx.o generic_serial.o obj-$(CONFIG_RIO) += rio/ generic_serial.o @@ -74,7 +58,6 @@ obj-$(CONFIG_PRINTER) += lp.o obj-$(CONFIG_APM_EMULATION) += apm-emulation.o obj-$(CONFIG_DTLK) += dtlk.o -obj-$(CONFIG_R3964) += n_r3964.o obj-$(CONFIG_APPLICOM) += applicom.o obj-$(CONFIG_SONYPI) += sonypi.o obj-$(CONFIG_RTC) += rtc.o @@ -115,28 +98,3 @@ obj-$(CONFIG_RAMOOPS) += ramoops.o obj-$(CONFIG_JS_RTC) += js-rtc.o js-rtc-y = rtc.o - -# Files generated that shall be removed upon make clean -clean-files := consolemap_deftbl.c defkeymap.c - -quiet_cmd_conmk = CONMK $@ - cmd_conmk = scripts/conmakehash $< > $@ - -$(obj)/consolemap_deftbl.c: $(src)/$(FONTMAPFILE) - $(call cmd,conmk) - -$(obj)/defkeymap.o: $(obj)/defkeymap.c - -# Uncomment if you're changing the keymap and have an appropriate -# loadkeys version for the map. By default, we'll use the shipped -# versions. -# GENERATE_KEYMAP := 1 - -ifdef GENERATE_KEYMAP - -$(obj)/defkeymap.c: $(obj)/%.c: $(src)/%.map - loadkeys --mktable $< > $@.tmp - sed -e 's/^static *//' $@.tmp > $@ - rm $@.tmp - -endif diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c index 43412c03969..3cb4539a98b 100644 --- a/drivers/char/agp/frontend.c +++ b/drivers/char/agp/frontend.c @@ -39,7 +39,6 @@ #include <linux/mm.h> #include <linux/fs.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include "agp.h" diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 6b6760ea243..9272c38dd3c 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -1210,14 +1210,14 @@ static void gen6_write_entry(dma_addr_t addr, unsigned int entry, unsigned int gfdt = flags & AGP_USER_CACHED_MEMORY_GFDT; u32 pte_flags; - if (type_mask == AGP_USER_UNCACHED_MEMORY) + if (type_mask == AGP_USER_MEMORY) pte_flags = GEN6_PTE_UNCACHED | I810_PTE_VALID; else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC) { - pte_flags = GEN6_PTE_LLC | I810_PTE_VALID; + pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID; if (gfdt) pte_flags |= GEN6_PTE_GFDT; } else { /* set 'normal'/'cached' to LLC by default */ - pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID; + pte_flags = GEN6_PTE_LLC | I810_PTE_VALID; if (gfdt) pte_flags |= GEN6_PTE_GFDT; } diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index b0a70461a12..6ee3348bc3e 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -81,7 +81,6 @@ static char *serial_version = "4.30"; #include <linux/mm.h> #include <linux/seq_file.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/bitops.h> #include <linux/platform_device.h> @@ -1299,7 +1298,6 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file, { struct async_struct * info = tty->driver_data; struct async_icount cprev, cnow; /* kernel counter temps */ - struct serial_icounter_struct icount; void __user *argp = (void __user *)arg; unsigned long flags; diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c index f6718f05dad..095ab90535c 100644 --- a/drivers/char/briq_panel.c +++ b/drivers/char/briq_panel.c @@ -6,7 +6,6 @@ #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/tty.h> diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 55b8667f739..7066e801b9d 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -14,7 +14,6 @@ #include <linux/interrupt.h> #include <linux/module.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/miscdevice.h> #include <linux/major.h> diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 788da05190c..2016aad8520 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -37,7 +37,6 @@ #include <linux/kernel.h> #include <linux/fs.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/miscdevice.h> #include <linux/delay.h> diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c index 3bc0eef8871..d72433f2d31 100644 --- a/drivers/char/i8k.c +++ b/drivers/char/i8k.c @@ -120,7 +120,7 @@ static int i8k_smm(struct smm_regs *regs) int eax = regs->eax; #if defined(CONFIG_X86_64) - asm("pushq %%rax\n\t" + asm volatile("pushq %%rax\n\t" "movl 0(%%rax),%%edx\n\t" "pushq %%rdx\n\t" "movl 4(%%rax),%%ebx\n\t" @@ -146,7 +146,7 @@ static int i8k_smm(struct smm_regs *regs) : "a"(regs) : "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory"); #else - asm("pushl %%eax\n\t" + asm volatile("pushl %%eax\n\t" "movl 0(%%eax),%%edx\n\t" "push %%edx\n\t" "movl 4(%%eax),%%ebx\n\t" @@ -167,7 +167,8 @@ static int i8k_smm(struct smm_regs *regs) "movl %%edx,0(%%eax)\n\t" "lahf\n\t" "shrl $8,%%eax\n\t" - "andl $1,%%eax\n":"=a"(rc) + "andl $1,%%eax\n" + :"=a"(rc) : "a"(regs) : "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory"); #endif diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 667abd23ad6..7c6de4c9245 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -21,7 +21,6 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/tty.h> #include <linux/tty_flip.h> diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index dd3f9b1f11b..294d03e8c61 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -1828,7 +1828,6 @@ static int ntty_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { struct port *port = tty->driver_data; - void __user *argp = (void __user *)arg; int rval = -ENOIOCTLCMD; DBG1("******** IOCTL, cmd: %d", cmd); diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index d962f25dcc2..777181a2e60 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -979,8 +979,9 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count, if (dev->flags0 & 1) { set_bit(IS_CMM_ABSENT, &dev->flags); rc = -ENODEV; + } else { + rc = -EIO; } - rc = -EIO; goto release_io; } diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index bfc10f89d95..eaa41992fbe 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -2796,6 +2796,7 @@ static const struct tty_operations mgslpc_ops = { .hangup = mgslpc_hangup, .tiocmget = tiocmget, .tiocmset = tiocmset, + .get_icount = mgslpc_get_icount, .proc_fops = &mgslpc_proc_fops, }; diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c index f646725bd56..748c3b0ecd8 100644 --- a/drivers/char/serial167.c +++ b/drivers/char/serial167.c @@ -52,7 +52,6 @@ #include <linux/interrupt.h> #include <linux/serial.h> #include <linux/serialP.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/fcntl.h> #include <linux/ptrace.h> diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index 9f8495b4fc8..a7616d226a4 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -87,7 +87,6 @@ #include <linux/tty_flip.h> #include <linux/mm.h> #include <linux/serial.h> -#include <linux/smp_lock.h> #include <linux/fcntl.h> #include <linux/major.h> #include <linux/delay.h> diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 4bef6ab8362..461a5a04551 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -40,7 +40,6 @@ #include <linux/stallion.h> #include <linux/ioport.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/device.h> #include <linux/delay.h> #include <linux/ctype.h> diff --git a/drivers/char/sx.c b/drivers/char/sx.c index e53f1686539..a786326cea2 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -216,7 +216,6 @@ #include <linux/eisa.h> #include <linux/pci.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/miscdevice.h> #include <linux/bitops.h> diff --git a/drivers/char/uv_mmtimer.c b/drivers/char/uv_mmtimer.c index 493b47a0d51..956ebe2080a 100644 --- a/drivers/char/uv_mmtimer.c +++ b/drivers/char/uv_mmtimer.c @@ -23,7 +23,6 @@ #include <linux/interrupt.h> #include <linux/time.h> #include <linux/math64.h> -#include <linux/smp_lock.h> #include <asm/genapic.h> #include <asm/uv/uv_hub.h> diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index a4461165228..d68d3aa1814 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -616,13 +616,9 @@ static int sh_cmt_setup(struct sh_cmt_priv *p, struct platform_device *pdev) /* get hold of clock */ p->clk = clk_get(&p->pdev->dev, "cmt_fck"); if (IS_ERR(p->clk)) { - dev_warn(&p->pdev->dev, "using deprecated clock lookup\n"); - p->clk = clk_get(&p->pdev->dev, cfg->clk); - if (IS_ERR(p->clk)) { - dev_err(&p->pdev->dev, "cannot get clock\n"); - ret = PTR_ERR(p->clk); - goto err1; - } + dev_err(&p->pdev->dev, "cannot get clock\n"); + ret = PTR_ERR(p->clk); + goto err1; } if (resource_size(res) == 6) { diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c index ef7a5be8a09..40630cb9823 100644 --- a/drivers/clocksource/sh_mtu2.c +++ b/drivers/clocksource/sh_mtu2.c @@ -287,13 +287,9 @@ static int sh_mtu2_setup(struct sh_mtu2_priv *p, struct platform_device *pdev) /* get hold of clock */ p->clk = clk_get(&p->pdev->dev, "mtu2_fck"); if (IS_ERR(p->clk)) { - dev_warn(&p->pdev->dev, "using deprecated clock lookup\n"); - p->clk = clk_get(&p->pdev->dev, cfg->clk); - if (IS_ERR(p->clk)) { - dev_err(&p->pdev->dev, "cannot get clock\n"); - ret = PTR_ERR(p->clk); - goto err1; - } + dev_err(&p->pdev->dev, "cannot get clock\n"); + ret = PTR_ERR(p->clk); + goto err1; } return sh_mtu2_register(p, (char *)dev_name(&p->pdev->dev), diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c index de715901b82..36aba992306 100644 --- a/drivers/clocksource/sh_tmu.c +++ b/drivers/clocksource/sh_tmu.c @@ -393,13 +393,9 @@ static int sh_tmu_setup(struct sh_tmu_priv *p, struct platform_device *pdev) /* get hold of clock */ p->clk = clk_get(&p->pdev->dev, "tmu_fck"); if (IS_ERR(p->clk)) { - dev_warn(&p->pdev->dev, "using deprecated clock lookup\n"); - p->clk = clk_get(&p->pdev->dev, cfg->clk); - if (IS_ERR(p->clk)) { - dev_err(&p->pdev->dev, "cannot get clock\n"); - ret = PTR_ERR(p->clk); - goto err1; - } + dev_err(&p->pdev->dev, "cannot get clock\n"); + ret = PTR_ERR(p->clk); + goto err1; } return sh_tmu_register(p, (char *)dev_name(&p->pdev->dev), diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c index 88ee01510ec..76141262ea1 100644 --- a/drivers/crypto/n2_core.c +++ b/drivers/crypto/n2_core.c @@ -1832,7 +1832,7 @@ static int __devinit get_irq_props(struct mdesc_handle *mdesc, u64 node, return -ENODEV; ino = mdesc_get_property(mdesc, node, "ino", &ino_len); - if (!intr) + if (!ino) return -ENODEV; if (intr_len != ino_len) diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c index 2e992bc8015..8a515baa38f 100644 --- a/drivers/crypto/padlock-aes.c +++ b/drivers/crypto/padlock-aes.c @@ -286,7 +286,7 @@ static inline u8 *padlock_xcrypt_cbc(const u8 *input, u8 *output, void *key, if (initial) asm volatile (".byte 0xf3,0x0f,0xa7,0xd0" /* rep xcryptcbc */ : "+S" (input), "+D" (output), "+a" (iv) - : "d" (control_word), "b" (key), "c" (count)); + : "d" (control_word), "b" (key), "c" (initial)); asm volatile (".byte 0xf3,0x0f,0xa7,0xd0" /* rep xcryptcbc */ : "+S" (input), "+D" (output), "+a" (iv) diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 9dcb17d51ae..84eb607d6c0 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -577,17 +577,11 @@ static int ohci_update_phy_reg(struct fw_card *card, int addr, return ret; } -static int ar_context_add_page(struct ar_context *ctx) +static void ar_context_link_page(struct ar_context *ctx, + struct ar_buffer *ab, dma_addr_t ab_bus) { - struct device *dev = ctx->ohci->card.device; - struct ar_buffer *ab; - dma_addr_t uninitialized_var(ab_bus); size_t offset; - ab = dma_alloc_coherent(dev, PAGE_SIZE, &ab_bus, GFP_ATOMIC); - if (ab == NULL) - return -ENOMEM; - ab->next = NULL; memset(&ab->descriptor, 0, sizeof(ab->descriptor)); ab->descriptor.control = cpu_to_le16(DESCRIPTOR_INPUT_MORE | @@ -606,6 +600,19 @@ static int ar_context_add_page(struct ar_context *ctx) reg_write(ctx->ohci, CONTROL_SET(ctx->regs), CONTEXT_WAKE); flush_writes(ctx->ohci); +} + +static int ar_context_add_page(struct ar_context *ctx) +{ + struct device *dev = ctx->ohci->card.device; + struct ar_buffer *ab; + dma_addr_t uninitialized_var(ab_bus); + + ab = dma_alloc_coherent(dev, PAGE_SIZE, &ab_bus, GFP_ATOMIC); + if (ab == NULL) + return -ENOMEM; + + ar_context_link_page(ctx, ab, ab_bus); return 0; } @@ -730,16 +737,17 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) static void ar_context_tasklet(unsigned long data) { struct ar_context *ctx = (struct ar_context *)data; - struct fw_ohci *ohci = ctx->ohci; struct ar_buffer *ab; struct descriptor *d; void *buffer, *end; + __le16 res_count; ab = ctx->current_buffer; d = &ab->descriptor; - if (d->res_count == 0) { - size_t size, rest, offset; + res_count = ACCESS_ONCE(d->res_count); + if (res_count == 0) { + size_t size, size2, rest, pktsize, size3, offset; dma_addr_t start_bus; void *start; @@ -750,29 +758,63 @@ static void ar_context_tasklet(unsigned long data) */ offset = offsetof(struct ar_buffer, data); - start = buffer = ab; + start = ab; start_bus = le32_to_cpu(ab->descriptor.data_address) - offset; + buffer = ab->data; ab = ab->next; d = &ab->descriptor; - size = buffer + PAGE_SIZE - ctx->pointer; + size = start + PAGE_SIZE - ctx->pointer; + /* valid buffer data in the next page */ rest = le16_to_cpu(d->req_count) - le16_to_cpu(d->res_count); + /* what actually fits in this page */ + size2 = min(rest, (size_t)PAGE_SIZE - offset - size); memmove(buffer, ctx->pointer, size); - memcpy(buffer + size, ab->data, rest); - ctx->current_buffer = ab; - ctx->pointer = (void *) ab->data + rest; - end = buffer + size + rest; + memcpy(buffer + size, ab->data, size2); + + while (size > 0) { + void *next = handle_ar_packet(ctx, buffer); + pktsize = next - buffer; + if (pktsize >= size) { + /* + * We have handled all the data that was + * originally in this page, so we can now + * continue in the next page. + */ + buffer = next; + break; + } + /* move the next packet to the start of the buffer */ + memmove(buffer, next, size + size2 - pktsize); + size -= pktsize; + /* fill up this page again */ + size3 = min(rest - size2, + (size_t)PAGE_SIZE - offset - size - size2); + memcpy(buffer + size + size2, + (void *) ab->data + size2, size3); + size2 += size3; + } - while (buffer < end) - buffer = handle_ar_packet(ctx, buffer); + if (rest > 0) { + /* handle the packets that are fully in the next page */ + buffer = (void *) ab->data + + (buffer - (start + offset + size)); + end = (void *) ab->data + rest; + + while (buffer < end) + buffer = handle_ar_packet(ctx, buffer); - dma_free_coherent(ohci->card.device, PAGE_SIZE, - start, start_bus); - ar_context_add_page(ctx); + ctx->current_buffer = ab; + ctx->pointer = end; + + ar_context_link_page(ctx, start, start_bus); + } else { + ctx->pointer = start + PAGE_SIZE; + } } else { buffer = ctx->pointer; ctx->pointer = end = - (void *) ab + PAGE_SIZE - le16_to_cpu(d->res_count); + (void *) ab + PAGE_SIZE - le16_to_cpu(res_count); while (buffer < end) buffer = handle_ar_packet(ctx, buffer); diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c index bfae4b30979..afa576a75a8 100644 --- a/drivers/firewire/sbp2.c +++ b/drivers/firewire/sbp2.c @@ -1468,7 +1468,7 @@ static int sbp2_map_scatterlist(struct sbp2_command_orb *orb, /* SCSI stack integration */ -static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done) +static int sbp2_scsi_queuecommand_lck(struct scsi_cmnd *cmd, scsi_done_fn_t done) { struct sbp2_logical_unit *lu = cmd->device->hostdata; struct fw_device *device = target_device(lu->tgt); @@ -1534,6 +1534,8 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done) return retval; } +static DEF_SCSI_QCMD(sbp2_scsi_queuecommand) + static int sbp2_scsi_slave_alloc(struct scsi_device *sdev) { struct sbp2_logical_unit *lu = sdev->hostdata; diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index dcbeb98f195..f7af91cb273 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -276,7 +276,7 @@ static bool drm_encoder_crtc_ok(struct drm_encoder *encoder, struct drm_crtc *tmp; int crtc_mask = 1; - WARN(!crtc, "checking null crtc?"); + WARN(!crtc, "checking null crtc?\n"); dev = crtc->dev; diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index c1a26217a53..a245d17165a 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -240,7 +240,7 @@ drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf, .addr = DDC_ADDR, .flags = I2C_M_RD, .len = len, - .buf = buf + start, + .buf = buf, } }; @@ -253,7 +253,7 @@ drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf, static u8 * drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter) { - int i, j = 0; + int i, j = 0, valid_extensions = 0; u8 *block, *new; if ((block = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL) @@ -280,14 +280,28 @@ drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter) for (j = 1; j <= block[0x7e]; j++) { for (i = 0; i < 4; i++) { - if (drm_do_probe_ddc_edid(adapter, block, j, - EDID_LENGTH)) + if (drm_do_probe_ddc_edid(adapter, + block + (valid_extensions + 1) * EDID_LENGTH, + j, EDID_LENGTH)) goto out; - if (drm_edid_block_valid(block + j * EDID_LENGTH)) + if (drm_edid_block_valid(block + (valid_extensions + 1) * EDID_LENGTH)) { + valid_extensions++; break; + } } if (i == 4) - goto carp; + dev_warn(connector->dev->dev, + "%s: Ignoring invalid EDID block %d.\n", + drm_get_connector_name(connector), j); + } + + if (valid_extensions != block[0x7e]) { + block[EDID_LENGTH-1] += block[0x7e] - valid_extensions; + block[0x7e] = valid_extensions; + new = krealloc(block, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL); + if (!new) + goto out; + block = new; } return block; diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index b744dad5c23..a39794bac04 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -37,7 +37,6 @@ #include "drmP.h" #include <linux/poll.h> #include <linux/slab.h> -#include <linux/smp_lock.h> /* from BKL pushdown: note that nothing else serializes idr_find() */ DEFINE_MUTEX(drm_global_mutex); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 3467dd42076..f737960712e 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -44,7 +44,7 @@ unsigned int i915_fbpercrtc = 0; module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400); unsigned int i915_powersave = 1; -module_param_named(powersave, i915_powersave, int, 0400); +module_param_named(powersave, i915_powersave, int, 0600); unsigned int i915_lvds_downclock = 0; module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400); @@ -150,7 +150,8 @@ static const struct intel_device_info intel_ironlake_d_info = { static const struct intel_device_info intel_ironlake_m_info = { .gen = 5, .is_mobile = 1, - .need_gfx_hws = 1, .has_fbc = 1, .has_rc6 = 1, .has_hotplug = 1, + .need_gfx_hws = 1, .has_rc6 = 1, .has_hotplug = 1, + .has_fbc = 0, /* disabled due to buggy hardware */ .has_bsd_ring = 1, }; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 2c2c19b6285..409826da309 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1045,6 +1045,8 @@ void i915_gem_clflush_object(struct drm_gem_object *obj); int i915_gem_object_set_domain(struct drm_gem_object *obj, uint32_t read_domains, uint32_t write_domain); +int i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj, + bool interruptible); int i915_gem_init_ringbuffer(struct drm_device *dev); void i915_gem_cleanup_ringbuffer(struct drm_device *dev); int i915_gem_do_init(struct drm_device *dev, unsigned long start, @@ -1321,6 +1323,7 @@ static inline void i915_write(struct drm_i915_private *dev_priv, u32 reg, #define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type) #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT) +#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX) #define PRIMARY_RINGBUFFER_SIZE (128*1024) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 8eb8453208b..17b1cba3b5f 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -547,6 +547,19 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data, struct drm_i915_gem_object *obj_priv; int ret = 0; + if (args->size == 0) + return 0; + + if (!access_ok(VERIFY_WRITE, + (char __user *)(uintptr_t)args->data_ptr, + args->size)) + return -EFAULT; + + ret = fault_in_pages_writeable((char __user *)(uintptr_t)args->data_ptr, + args->size); + if (ret) + return -EFAULT; + ret = i915_mutex_lock_interruptible(dev); if (ret) return ret; @@ -564,23 +577,6 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data, goto out; } - if (args->size == 0) - goto out; - - if (!access_ok(VERIFY_WRITE, - (char __user *)(uintptr_t)args->data_ptr, - args->size)) { - ret = -EFAULT; - goto out; - } - - ret = fault_in_pages_writeable((char __user *)(uintptr_t)args->data_ptr, - args->size); - if (ret) { - ret = -EFAULT; - goto out; - } - ret = i915_gem_object_get_pages_or_evict(obj); if (ret) goto out; @@ -981,7 +977,20 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, struct drm_i915_gem_pwrite *args = data; struct drm_gem_object *obj; struct drm_i915_gem_object *obj_priv; - int ret = 0; + int ret; + + if (args->size == 0) + return 0; + + if (!access_ok(VERIFY_READ, + (char __user *)(uintptr_t)args->data_ptr, + args->size)) + return -EFAULT; + + ret = fault_in_pages_readable((char __user *)(uintptr_t)args->data_ptr, + args->size); + if (ret) + return -EFAULT; ret = i915_mutex_lock_interruptible(dev); if (ret) @@ -994,30 +1003,12 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, } obj_priv = to_intel_bo(obj); - /* Bounds check destination. */ if (args->offset > obj->size || args->size > obj->size - args->offset) { ret = -EINVAL; goto out; } - if (args->size == 0) - goto out; - - if (!access_ok(VERIFY_READ, - (char __user *)(uintptr_t)args->data_ptr, - args->size)) { - ret = -EFAULT; - goto out; - } - - ret = fault_in_pages_readable((char __user *)(uintptr_t)args->data_ptr, - args->size); - if (ret) { - ret = -EFAULT; - goto out; - } - /* We can only do the GTT pwrite on untiled buffers, as otherwise * it would end up going through the fenced access, and we'll get * different detiling behavior between reading and writing. @@ -2172,7 +2163,7 @@ i915_gem_object_unbind(struct drm_gem_object *obj) static int i915_ring_idle(struct drm_device *dev, struct intel_ring_buffer *ring) { - if (list_empty(&ring->gpu_write_list)) + if (list_empty(&ring->gpu_write_list) && list_empty(&ring->active_list)) return 0; i915_gem_flush_ring(dev, NULL, ring, @@ -2190,9 +2181,7 @@ i915_gpu_idle(struct drm_device *dev) int ret; lists_empty = (list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->render_ring.active_list) && - list_empty(&dev_priv->bsd_ring.active_list) && - list_empty(&dev_priv->blt_ring.active_list)); + list_empty(&dev_priv->mm.active_list)); if (lists_empty) return 0; @@ -2909,6 +2898,20 @@ i915_gem_object_set_to_display_plane(struct drm_gem_object *obj, return 0; } +int +i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj, + bool interruptible) +{ + if (!obj->active) + return 0; + + if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) + i915_gem_flush_ring(obj->base.dev, NULL, obj->ring, + 0, obj->base.write_domain); + + return i915_gem_object_wait_rendering(&obj->base, interruptible); +} + /** * Moves a single object to the CPU read, and possibly write domain. * @@ -3108,7 +3111,8 @@ i915_gem_object_set_to_gpu_domain(struct drm_gem_object *obj, * write domain */ if (obj->write_domain && - obj->write_domain != obj->pending_read_domains) { + (obj->write_domain != obj->pending_read_domains || + obj_priv->ring != ring)) { flush_domains |= obj->write_domain; invalidate_domains |= obj->pending_read_domains & ~obj->write_domain; @@ -3497,6 +3501,52 @@ i915_gem_execbuffer_pin(struct drm_device *dev, return 0; } +static int +i915_gem_execbuffer_move_to_gpu(struct drm_device *dev, + struct drm_file *file, + struct intel_ring_buffer *ring, + struct drm_gem_object **objects, + int count) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + int ret, i; + + /* Zero the global flush/invalidate flags. These + * will be modified as new domains are computed + * for each object + */ + dev->invalidate_domains = 0; + dev->flush_domains = 0; + dev_priv->mm.flush_rings = 0; + for (i = 0; i < count; i++) + i915_gem_object_set_to_gpu_domain(objects[i], ring); + + if (dev->invalidate_domains | dev->flush_domains) { +#if WATCH_EXEC + DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n", + __func__, + dev->invalidate_domains, + dev->flush_domains); +#endif + i915_gem_flush(dev, file, + dev->invalidate_domains, + dev->flush_domains, + dev_priv->mm.flush_rings); + } + + for (i = 0; i < count; i++) { + struct drm_i915_gem_object *obj = to_intel_bo(objects[i]); + /* XXX replace with semaphores */ + if (obj->ring && ring != obj->ring) { + ret = i915_gem_object_wait_rendering(&obj->base, true); + if (ret) + return ret; + } + } + + return 0; +} + /* Throttle our rendering by waiting until the ring has completed our requests * emitted over 20 msec ago. * @@ -3757,33 +3807,10 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, goto err; } - /* Zero the global flush/invalidate flags. These - * will be modified as new domains are computed - * for each object - */ - dev->invalidate_domains = 0; - dev->flush_domains = 0; - dev_priv->mm.flush_rings = 0; - - for (i = 0; i < args->buffer_count; i++) { - struct drm_gem_object *obj = object_list[i]; - - /* Compute new gpu domains and update invalidate/flush */ - i915_gem_object_set_to_gpu_domain(obj, ring); - } - - if (dev->invalidate_domains | dev->flush_domains) { -#if WATCH_EXEC - DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n", - __func__, - dev->invalidate_domains, - dev->flush_domains); -#endif - i915_gem_flush(dev, file, - dev->invalidate_domains, - dev->flush_domains, - dev_priv->mm.flush_rings); - } + ret = i915_gem_execbuffer_move_to_gpu(dev, file, ring, + object_list, args->buffer_count); + if (ret) + goto err; for (i = 0; i < args->buffer_count; i++) { struct drm_gem_object *obj = object_list[i]; @@ -4043,8 +4070,7 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment) alignment = i915_gem_get_gtt_alignment(obj); if (obj_priv->gtt_offset & (alignment - 1)) { WARN(obj_priv->pin_count, - "bo is already pinned with incorrect alignment:" - " offset=%x, req.alignment=%x\n", + "bo is already pinned with incorrect alignment: offset=%x, req.alignment=%x\n", obj_priv->gtt_offset, alignment); ret = i915_gem_object_unbind(obj); if (ret) @@ -4856,17 +4882,24 @@ i915_gem_phys_pwrite(struct drm_device *dev, struct drm_gem_object *obj, struct drm_file *file_priv) { struct drm_i915_gem_object *obj_priv = to_intel_bo(obj); - void *obj_addr; - int ret; - char __user *user_data; + void *vaddr = obj_priv->phys_obj->handle->vaddr + args->offset; + char __user *user_data = (char __user *) (uintptr_t) args->data_ptr; - user_data = (char __user *) (uintptr_t) args->data_ptr; - obj_addr = obj_priv->phys_obj->handle->vaddr + args->offset; + DRM_DEBUG_DRIVER("vaddr %p, %lld\n", vaddr, args->size); - DRM_DEBUG_DRIVER("obj_addr %p, %lld\n", obj_addr, args->size); - ret = copy_from_user(obj_addr, user_data, args->size); - if (ret) - return -EFAULT; + if (__copy_from_user_inatomic_nocache(vaddr, user_data, args->size)) { + unsigned long unwritten; + + /* The physical object once assigned is fixed for the lifetime + * of the obj, so we can safely drop the lock and continue + * to access vaddr. + */ + mutex_unlock(&dev->struct_mutex); + unwritten = copy_from_user(vaddr, user_data, args->size); + mutex_lock(&dev->struct_mutex); + if (unwritten) + return -EFAULT; + } drm_agp_chipset_flush(dev); return 0; @@ -4900,9 +4933,7 @@ i915_gpu_is_active(struct drm_device *dev) int lists_empty; lists_empty = list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->render_ring.active_list) && - list_empty(&dev_priv->bsd_ring.active_list) && - list_empty(&dev_priv->blt_ring.active_list); + list_empty(&dev_priv->mm.active_list); return !lists_empty; } diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c index 43a4013f53f..d8ae7d1d0cc 100644 --- a/drivers/gpu/drm/i915/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/i915_gem_evict.c @@ -165,9 +165,7 @@ i915_gem_evict_everything(struct drm_device *dev) lists_empty = (list_empty(&dev_priv->mm.inactive_list) && list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->render_ring.active_list) && - list_empty(&dev_priv->bsd_ring.active_list) && - list_empty(&dev_priv->blt_ring.active_list)); + list_empty(&dev_priv->mm.active_list)); if (lists_empty) return -ENOSPC; @@ -184,9 +182,7 @@ i915_gem_evict_everything(struct drm_device *dev) lists_empty = (list_empty(&dev_priv->mm.inactive_list) && list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->render_ring.active_list) && - list_empty(&dev_priv->bsd_ring.active_list) && - list_empty(&dev_priv->blt_ring.active_list)); + list_empty(&dev_priv->mm.active_list)); BUG_ON(!lists_empty); return 0; diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 989c19d2d95..454c064f8ef 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -862,8 +862,10 @@ int i915_restore_state(struct drm_device *dev) /* Clock gating state */ intel_init_clock_gating(dev); - if (HAS_PCH_SPLIT(dev)) + if (HAS_PCH_SPLIT(dev)) { ironlake_enable_drps(dev); + intel_init_emon(dev); + } /* Cache mode state */ I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000); diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index c55c7704335..8df57431606 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -34,6 +34,25 @@ #include "i915_drm.h" #include "i915_drv.h" +/* Here's the desired hotplug mode */ +#define ADPA_HOTPLUG_BITS (ADPA_CRT_HOTPLUG_PERIOD_128 | \ + ADPA_CRT_HOTPLUG_WARMUP_10MS | \ + ADPA_CRT_HOTPLUG_SAMPLE_4S | \ + ADPA_CRT_HOTPLUG_VOLTAGE_50 | \ + ADPA_CRT_HOTPLUG_VOLREF_325MV | \ + ADPA_CRT_HOTPLUG_ENABLE) + +struct intel_crt { + struct intel_encoder base; + bool force_hotplug_required; +}; + +static struct intel_crt *intel_attached_crt(struct drm_connector *connector) +{ + return container_of(intel_attached_encoder(connector), + struct intel_crt, base); +} + static void intel_crt_dpms(struct drm_encoder *encoder, int mode) { struct drm_device *dev = encoder->dev; @@ -129,7 +148,7 @@ static void intel_crt_mode_set(struct drm_encoder *encoder, dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK); } - adpa = 0; + adpa = ADPA_HOTPLUG_BITS; if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) adpa |= ADPA_HSYNC_ACTIVE_HIGH; if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) @@ -157,53 +176,44 @@ static void intel_crt_mode_set(struct drm_encoder *encoder, static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector) { struct drm_device *dev = connector->dev; + struct intel_crt *crt = intel_attached_crt(connector); struct drm_i915_private *dev_priv = dev->dev_private; - u32 adpa, temp; + u32 adpa; bool ret; - bool turn_off_dac = false; - temp = adpa = I915_READ(PCH_ADPA); + /* The first time through, trigger an explicit detection cycle */ + if (crt->force_hotplug_required) { + bool turn_off_dac = HAS_PCH_SPLIT(dev); + u32 save_adpa; - if (HAS_PCH_SPLIT(dev)) - turn_off_dac = true; - - adpa &= ~ADPA_CRT_HOTPLUG_MASK; - if (turn_off_dac) - adpa &= ~ADPA_DAC_ENABLE; - - /* disable HPD first */ - I915_WRITE(PCH_ADPA, adpa); - (void)I915_READ(PCH_ADPA); - - adpa |= (ADPA_CRT_HOTPLUG_PERIOD_128 | - ADPA_CRT_HOTPLUG_WARMUP_10MS | - ADPA_CRT_HOTPLUG_SAMPLE_4S | - ADPA_CRT_HOTPLUG_VOLTAGE_50 | /* default */ - ADPA_CRT_HOTPLUG_VOLREF_325MV | - ADPA_CRT_HOTPLUG_ENABLE | - ADPA_CRT_HOTPLUG_FORCE_TRIGGER); - - DRM_DEBUG_KMS("pch crt adpa 0x%x", adpa); - I915_WRITE(PCH_ADPA, adpa); - - if (wait_for((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) == 0, - 1000)) - DRM_DEBUG_KMS("timed out waiting for FORCE_TRIGGER"); - - if (turn_off_dac) { - /* Make sure hotplug is enabled */ - I915_WRITE(PCH_ADPA, temp | ADPA_CRT_HOTPLUG_ENABLE); - (void)I915_READ(PCH_ADPA); + crt->force_hotplug_required = 0; + + save_adpa = adpa = I915_READ(PCH_ADPA); + DRM_DEBUG_KMS("trigger hotplug detect cycle: adpa=0x%x\n", adpa); + + adpa |= ADPA_CRT_HOTPLUG_FORCE_TRIGGER; + if (turn_off_dac) + adpa &= ~ADPA_DAC_ENABLE; + + I915_WRITE(PCH_ADPA, adpa); + + if (wait_for((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) == 0, + 1000)) + DRM_DEBUG_KMS("timed out waiting for FORCE_TRIGGER"); + + if (turn_off_dac) { + I915_WRITE(PCH_ADPA, save_adpa); + POSTING_READ(PCH_ADPA); + } } /* Check the status to see if both blue and green are on now */ adpa = I915_READ(PCH_ADPA); - adpa &= ADPA_CRT_HOTPLUG_MONITOR_MASK; - if ((adpa == ADPA_CRT_HOTPLUG_MONITOR_COLOR) || - (adpa == ADPA_CRT_HOTPLUG_MONITOR_MONO)) + if ((adpa & ADPA_CRT_HOTPLUG_MONITOR_MASK) != 0) ret = true; else ret = false; + DRM_DEBUG_KMS("ironlake hotplug adpa=0x%x, result %d\n", adpa, ret); return ret; } @@ -277,13 +287,12 @@ static bool intel_crt_ddc_probe(struct drm_i915_private *dev_priv, int ddc_bus) return i2c_transfer(&dev_priv->gmbus[ddc_bus].adapter, msgs, 1) == 1; } -static bool intel_crt_detect_ddc(struct drm_encoder *encoder) +static bool intel_crt_detect_ddc(struct intel_crt *crt) { - struct intel_encoder *intel_encoder = to_intel_encoder(encoder); - struct drm_i915_private *dev_priv = encoder->dev->dev_private; + struct drm_i915_private *dev_priv = crt->base.base.dev->dev_private; /* CRT should always be at 0, but check anyway */ - if (intel_encoder->type != INTEL_OUTPUT_ANALOG) + if (crt->base.type != INTEL_OUTPUT_ANALOG) return false; if (intel_crt_ddc_probe(dev_priv, dev_priv->crt_ddc_pin)) { @@ -291,7 +300,7 @@ static bool intel_crt_detect_ddc(struct drm_encoder *encoder) return true; } - if (intel_ddc_probe(intel_encoder, dev_priv->crt_ddc_pin)) { + if (intel_ddc_probe(&crt->base, dev_priv->crt_ddc_pin)) { DRM_DEBUG_KMS("CRT detected via DDC:0x50 [EDID]\n"); return true; } @@ -300,9 +309,9 @@ static bool intel_crt_detect_ddc(struct drm_encoder *encoder) } static enum drm_connector_status -intel_crt_load_detect(struct drm_crtc *crtc, struct intel_encoder *intel_encoder) +intel_crt_load_detect(struct drm_crtc *crtc, struct intel_crt *crt) { - struct drm_encoder *encoder = &intel_encoder->base; + struct drm_encoder *encoder = &crt->base.base; struct drm_device *dev = encoder->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); @@ -434,7 +443,7 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connector, bool force) { struct drm_device *dev = connector->dev; - struct intel_encoder *encoder = intel_attached_encoder(connector); + struct intel_crt *crt = intel_attached_crt(connector); struct drm_crtc *crtc; int dpms_mode; enum drm_connector_status status; @@ -443,28 +452,31 @@ intel_crt_detect(struct drm_connector *connector, bool force) if (intel_crt_detect_hotplug(connector)) { DRM_DEBUG_KMS("CRT detected via hotplug\n"); return connector_status_connected; - } else + } else { + DRM_DEBUG_KMS("CRT not detected via hotplug\n"); return connector_status_disconnected; + } } - if (intel_crt_detect_ddc(&encoder->base)) + if (intel_crt_detect_ddc(crt)) return connector_status_connected; if (!force) return connector->status; /* for pre-945g platforms use load detect */ - if (encoder->base.crtc && encoder->base.crtc->enabled) { - status = intel_crt_load_detect(encoder->base.crtc, encoder); + crtc = crt->base.base.crtc; + if (crtc && crtc->enabled) { + status = intel_crt_load_detect(crtc, crt); } else { - crtc = intel_get_load_detect_pipe(encoder, connector, + crtc = intel_get_load_detect_pipe(&crt->base, connector, NULL, &dpms_mode); if (crtc) { - if (intel_crt_detect_ddc(&encoder->base)) + if (intel_crt_detect_ddc(crt)) status = connector_status_connected; else - status = intel_crt_load_detect(crtc, encoder); - intel_release_load_detect_pipe(encoder, + status = intel_crt_load_detect(crtc, crt); + intel_release_load_detect_pipe(&crt->base, connector, dpms_mode); } else status = connector_status_unknown; @@ -536,17 +548,17 @@ static const struct drm_encoder_funcs intel_crt_enc_funcs = { void intel_crt_init(struct drm_device *dev) { struct drm_connector *connector; - struct intel_encoder *intel_encoder; + struct intel_crt *crt; struct intel_connector *intel_connector; struct drm_i915_private *dev_priv = dev->dev_private; - intel_encoder = kzalloc(sizeof(struct intel_encoder), GFP_KERNEL); - if (!intel_encoder) + crt = kzalloc(sizeof(struct intel_crt), GFP_KERNEL); + if (!crt) return; intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL); if (!intel_connector) { - kfree(intel_encoder); + kfree(crt); return; } @@ -554,20 +566,20 @@ void intel_crt_init(struct drm_device *dev) drm_connector_init(dev, &intel_connector->base, &intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA); - drm_encoder_init(dev, &intel_encoder->base, &intel_crt_enc_funcs, + drm_encoder_init(dev, &crt->base.base, &intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC); - intel_connector_attach_encoder(intel_connector, intel_encoder); + intel_connector_attach_encoder(intel_connector, &crt->base); - intel_encoder->type = INTEL_OUTPUT_ANALOG; - intel_encoder->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) | - (1 << INTEL_ANALOG_CLONE_BIT) | - (1 << INTEL_SDVO_LVDS_CLONE_BIT); - intel_encoder->crtc_mask = (1 << 0) | (1 << 1); + crt->base.type = INTEL_OUTPUT_ANALOG; + crt->base.clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT | + 1 << INTEL_ANALOG_CLONE_BIT | + 1 << INTEL_SDVO_LVDS_CLONE_BIT); + crt->base.crtc_mask = (1 << 0) | (1 << 1); connector->interlace_allowed = 1; connector->doublescan_allowed = 0; - drm_encoder_helper_add(&intel_encoder->base, &intel_crt_helper_funcs); + drm_encoder_helper_add(&crt->base.base, &intel_crt_helper_funcs); drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); drm_sysfs_connector_add(connector); @@ -577,5 +589,22 @@ void intel_crt_init(struct drm_device *dev) else connector->polled = DRM_CONNECTOR_POLL_CONNECT; + /* + * Configure the automatic hotplug detection stuff + */ + crt->force_hotplug_required = 0; + if (HAS_PCH_SPLIT(dev)) { + u32 adpa; + + adpa = I915_READ(PCH_ADPA); + adpa &= ~ADPA_CRT_HOTPLUG_MASK; + adpa |= ADPA_HOTPLUG_BITS; + I915_WRITE(PCH_ADPA, adpa); + POSTING_READ(PCH_ADPA); + + DRM_DEBUG_KMS("pch crt adpa set to 0x%x\n", adpa); + crt->force_hotplug_required = 1; + } + dev_priv->hotplug_supported_mask |= CRT_HOTPLUG_INT_STATUS; } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 990f065374b..bee24b1a58e 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1611,6 +1611,18 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, wait_event(dev_priv->pending_flip_queue, atomic_read(&obj_priv->pending_flip) == 0); + + /* Big Hammer, we also need to ensure that any pending + * MI_WAIT_FOR_EVENT inside a user batch buffer on the + * current scanout is retired before unpinning the old + * framebuffer. + */ + ret = i915_gem_object_flush_gpu(obj_priv, false); + if (ret) { + i915_gem_object_unpin(to_intel_framebuffer(crtc->fb)->obj); + mutex_unlock(&dev->struct_mutex); + return ret; + } } ret = intel_pipe_set_base_atomic(crtc, crtc->fb, x, y, @@ -1681,6 +1693,37 @@ static void ironlake_set_pll_edp(struct drm_crtc *crtc, int clock) udelay(500); } +static void intel_fdi_normal_train(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + int pipe = intel_crtc->pipe; + u32 reg, temp; + + /* enable normal train */ + reg = FDI_TX_CTL(pipe); + temp = I915_READ(reg); + temp &= ~FDI_LINK_TRAIN_NONE; + temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; + I915_WRITE(reg, temp); + + reg = FDI_RX_CTL(pipe); + temp = I915_READ(reg); + if (HAS_PCH_CPT(dev)) { + temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; + temp |= FDI_LINK_TRAIN_NORMAL_CPT; + } else { + temp &= ~FDI_LINK_TRAIN_NONE; + temp |= FDI_LINK_TRAIN_NONE; + } + I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); + + /* wait one idle pattern time */ + POSTING_READ(reg); + udelay(1000); +} + /* The FDI link training functions for ILK/Ibexpeak. */ static void ironlake_fdi_link_train(struct drm_crtc *crtc) { @@ -1767,27 +1810,6 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc) DRM_DEBUG_KMS("FDI train done\n"); - /* enable normal train */ - reg = FDI_TX_CTL(pipe); - temp = I915_READ(reg); - temp &= ~FDI_LINK_TRAIN_NONE; - temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; - I915_WRITE(reg, temp); - - reg = FDI_RX_CTL(pipe); - temp = I915_READ(reg); - if (HAS_PCH_CPT(dev)) { - temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; - temp |= FDI_LINK_TRAIN_NORMAL_CPT; - } else { - temp &= ~FDI_LINK_TRAIN_NONE; - temp |= FDI_LINK_TRAIN_NONE; - } - I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); - - /* wait one idle pattern time */ - POSTING_READ(reg); - udelay(1000); } static const int const snb_b_fdi_train_param [] = { @@ -2090,6 +2112,8 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) I915_WRITE(TRANS_VBLANK(pipe), I915_READ(VBLANK(pipe))); I915_WRITE(TRANS_VSYNC(pipe), I915_READ(VSYNC(pipe))); + intel_fdi_normal_train(crtc); + /* For PCH DP, enable TRANS_DP_CTL */ if (HAS_PCH_CPT(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { @@ -2200,9 +2224,10 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc) udelay(100); /* Ironlake workaround, disable clock pointer after downing FDI */ - I915_WRITE(FDI_RX_CHICKEN(pipe), - I915_READ(FDI_RX_CHICKEN(pipe) & - ~FDI_RX_PHASE_SYNC_POINTER_ENABLE)); + if (HAS_PCH_IBX(dev)) + I915_WRITE(FDI_RX_CHICKEN(pipe), + I915_READ(FDI_RX_CHICKEN(pipe) & + ~FDI_RX_PHASE_SYNC_POINTER_ENABLE)); /* still set train pattern 1 */ reg = FDI_TX_CTL(pipe); @@ -5581,20 +5606,19 @@ void ironlake_enable_drps(struct drm_device *dev) fmin = (rgvmodectl & MEMMODE_FMIN_MASK); fstart = (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT; - fstart = fmax; vstart = (I915_READ(PXVFREQ_BASE + (fstart * 4)) & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT; - dev_priv->fmax = fstart; /* IPS callback will increase this */ + dev_priv->fmax = fmax; /* IPS callback will increase this */ dev_priv->fstart = fstart; - dev_priv->max_delay = fmax; + dev_priv->max_delay = fstart; dev_priv->min_delay = fmin; dev_priv->cur_delay = fstart; - DRM_DEBUG_DRIVER("fmax: %d, fmin: %d, fstart: %d\n", fmax, fmin, - fstart); + DRM_DEBUG_DRIVER("fmax: %d, fmin: %d, fstart: %d\n", + fmax, fmin, fstart); I915_WRITE(MEMINTREN, MEMINT_CX_SUPR_EN | MEMINT_EVAL_CHG_EN); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 891f4f1d63b..c8e00555331 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1517,7 +1517,7 @@ g4x_dp_detect(struct intel_dp *intel_dp) status = connector_status_connected; } - return bit; + return status; } /** diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 9af9f86a876..21551fe7454 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -296,6 +296,7 @@ extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, extern void intel_init_clock_gating(struct drm_device *dev); extern void ironlake_enable_drps(struct drm_device *dev); extern void ironlake_disable_drps(struct drm_device *dev); +extern void intel_init_emon(struct drm_device *dev); extern int intel_pin_and_fence_fb_obj(struct drm_device *dev, struct drm_gem_object *obj, diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 2be4f728ed0..3dba086e7ee 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -160,7 +160,7 @@ intel_gpio_create(struct drm_i915_private *dev_priv, u32 pin) }; struct intel_gpio *gpio; - if (pin < 1 || pin > 7) + if (pin >= ARRAY_SIZE(map_pin_to_reg) || !map_pin_to_reg[pin]) return NULL; gpio = kzalloc(sizeof(struct intel_gpio), GFP_KERNEL); @@ -172,7 +172,8 @@ intel_gpio_create(struct drm_i915_private *dev_priv, u32 pin) gpio->reg += PCH_GPIOA - GPIOA; gpio->dev_priv = dev_priv; - snprintf(gpio->adapter.name, I2C_NAME_SIZE, "GPIO%c", "?BACDEF?"[pin]); + snprintf(gpio->adapter.name, sizeof(gpio->adapter.name), + "i915 GPIO%c", "?BACDE?F"[pin]); gpio->adapter.owner = THIS_MODULE; gpio->adapter.algo_data = &gpio->algo; gpio->adapter.dev.parent = &dev_priv->dev->pdev->dev; @@ -349,7 +350,7 @@ int intel_setup_gmbus(struct drm_device *dev) "panel", "dpc", "dpb", - "reserved" + "reserved", "dpd", }; struct drm_i915_private *dev_priv = dev->dev_private; @@ -366,8 +367,8 @@ int intel_setup_gmbus(struct drm_device *dev) bus->adapter.owner = THIS_MODULE; bus->adapter.class = I2C_CLASS_DDC; snprintf(bus->adapter.name, - I2C_NAME_SIZE, - "gmbus %s", + sizeof(bus->adapter.name), + "i915 gmbus %s", names[i]); bus->adapter.dev.parent = &dev->pdev->dev; diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index f1a649990ea..4324a326f98 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -481,11 +481,8 @@ static int intel_lvds_get_modes(struct drm_connector *connector) struct drm_device *dev = connector->dev; struct drm_display_mode *mode; - if (intel_lvds->edid) { - drm_mode_connector_update_edid_property(connector, - intel_lvds->edid); + if (intel_lvds->edid) return drm_add_edid_modes(connector, intel_lvds->edid); - } mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode); if (mode == 0) @@ -939,7 +936,16 @@ void intel_lvds_init(struct drm_device *dev) */ intel_lvds->edid = drm_get_edid(connector, &dev_priv->gmbus[pin].adapter); - + if (intel_lvds->edid) { + if (drm_add_edid_modes(connector, + intel_lvds->edid)) { + drm_mode_connector_update_edid_property(connector, + intel_lvds->edid); + } else { + kfree(intel_lvds->edid); + intel_lvds->edid = NULL; + } + } if (!intel_lvds->edid) { /* Didn't get an EDID, so * Set wide sync ranges so we get all modes diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 917c7dc3cd6..9b0d9a867ae 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -512,6 +512,6 @@ int intel_opregion_setup(struct drm_device *dev) return 0; err_out: - iounmap(opregion->header); + iounmap(base); return err; } diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index afb96d25219..02ff0a481f4 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -946,7 +946,9 @@ static int check_overlay_src(struct drm_device *dev, { int uv_hscale = uv_hsubsampling(rec->flags); int uv_vscale = uv_vsubsampling(rec->flags); - u32 stride_mask, depth, tmp; + u32 stride_mask; + int depth; + u32 tmp; /* check src dimensions */ if (IS_845G(dev) || IS_I830(dev)) { diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 09f2dc353ae..b83306f9244 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -177,7 +177,7 @@ static int init_ring_common(struct drm_device *dev, I915_WRITE_CTL(ring, ((ring->gem_object->size - PAGE_SIZE) & RING_NR_PAGES) - | RING_NO_REPORT | RING_VALID); + | RING_REPORT_64K | RING_VALID); head = I915_READ_HEAD(ring) & HEAD_ADDR; /* If the head is still not zero, the ring is dead */ @@ -654,6 +654,10 @@ void intel_cleanup_ring_buffer(struct drm_device *dev, i915_gem_object_unpin(ring->gem_object); drm_gem_object_unreference(ring->gem_object); ring->gem_object = NULL; + + if (ring->cleanup) + ring->cleanup(ring); + cleanup_status_page(dev, ring); } @@ -688,6 +692,17 @@ int intel_wait_ring_buffer(struct drm_device *dev, { unsigned long end; drm_i915_private_t *dev_priv = dev->dev_private; + u32 head; + + head = intel_read_status_page(ring, 4); + if (head) { + ring->head = head & HEAD_ADDR; + ring->space = ring->head - (ring->tail + 8); + if (ring->space < 0) + ring->space += ring->size; + if (ring->space >= n) + return 0; + } trace_i915_ring_wait_begin (dev); end = jiffies + 3 * HZ; @@ -854,19 +869,125 @@ blt_ring_put_user_irq(struct drm_device *dev, /* do nothing */ } + +/* Workaround for some stepping of SNB, + * each time when BLT engine ring tail moved, + * the first command in the ring to be parsed + * should be MI_BATCH_BUFFER_START + */ +#define NEED_BLT_WORKAROUND(dev) \ + (IS_GEN6(dev) && (dev->pdev->revision < 8)) + +static inline struct drm_i915_gem_object * +to_blt_workaround(struct intel_ring_buffer *ring) +{ + return ring->private; +} + +static int blt_ring_init(struct drm_device *dev, + struct intel_ring_buffer *ring) +{ + if (NEED_BLT_WORKAROUND(dev)) { + struct drm_i915_gem_object *obj; + u32 __iomem *ptr; + int ret; + + obj = to_intel_bo(i915_gem_alloc_object(dev, 4096)); + if (obj == NULL) + return -ENOMEM; + + ret = i915_gem_object_pin(&obj->base, 4096); + if (ret) { + drm_gem_object_unreference(&obj->base); + return ret; + } + + ptr = kmap(obj->pages[0]); + iowrite32(MI_BATCH_BUFFER_END, ptr); + iowrite32(MI_NOOP, ptr+1); + kunmap(obj->pages[0]); + + ret = i915_gem_object_set_to_gtt_domain(&obj->base, false); + if (ret) { + i915_gem_object_unpin(&obj->base); + drm_gem_object_unreference(&obj->base); + return ret; + } + + ring->private = obj; + } + + return init_ring_common(dev, ring); +} + +static void blt_ring_begin(struct drm_device *dev, + struct intel_ring_buffer *ring, + int num_dwords) +{ + if (ring->private) { + intel_ring_begin(dev, ring, num_dwords+2); + intel_ring_emit(dev, ring, MI_BATCH_BUFFER_START); + intel_ring_emit(dev, ring, to_blt_workaround(ring)->gtt_offset); + } else + intel_ring_begin(dev, ring, 4); +} + +static void blt_ring_flush(struct drm_device *dev, + struct intel_ring_buffer *ring, + u32 invalidate_domains, + u32 flush_domains) +{ + blt_ring_begin(dev, ring, 4); + intel_ring_emit(dev, ring, MI_FLUSH_DW); + intel_ring_emit(dev, ring, 0); + intel_ring_emit(dev, ring, 0); + intel_ring_emit(dev, ring, 0); + intel_ring_advance(dev, ring); +} + +static u32 +blt_ring_add_request(struct drm_device *dev, + struct intel_ring_buffer *ring, + u32 flush_domains) +{ + u32 seqno = i915_gem_get_seqno(dev); + + blt_ring_begin(dev, ring, 4); + intel_ring_emit(dev, ring, MI_STORE_DWORD_INDEX); + intel_ring_emit(dev, ring, + I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT); + intel_ring_emit(dev, ring, seqno); + intel_ring_emit(dev, ring, MI_USER_INTERRUPT); + intel_ring_advance(dev, ring); + + DRM_DEBUG_DRIVER("%s %d\n", ring->name, seqno); + return seqno; +} + +static void blt_ring_cleanup(struct intel_ring_buffer *ring) +{ + if (!ring->private) + return; + + i915_gem_object_unpin(ring->private); + drm_gem_object_unreference(ring->private); + ring->private = NULL; +} + static const struct intel_ring_buffer gen6_blt_ring = { .name = "blt ring", .id = RING_BLT, .mmio_base = BLT_RING_BASE, .size = 32 * PAGE_SIZE, - .init = init_ring_common, + .init = blt_ring_init, .write_tail = ring_write_tail, - .flush = gen6_ring_flush, - .add_request = ring_add_request, + .flush = blt_ring_flush, + .add_request = blt_ring_add_request, .get_seqno = ring_status_page_get_seqno, .user_irq_get = blt_ring_get_user_irq, .user_irq_put = blt_ring_put_user_irq, .dispatch_gem_execbuffer = gen6_ring_dispatch_gem_execbuffer, + .cleanup = blt_ring_cleanup, }; int intel_init_render_ring_buffer(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index a05aff0e576..3126c268198 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -63,6 +63,7 @@ struct intel_ring_buffer { struct drm_i915_gem_execbuffer2 *exec, struct drm_clip_rect *cliprects, uint64_t exec_offset); + void (*cleanup)(struct intel_ring_buffer *ring); /** * List of objects currently involved in rendering from the @@ -98,6 +99,8 @@ struct intel_ring_buffer { wait_queue_head_t irq_queue; drm_local_map_t map; + + void *private; }; static inline u32 diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c index 406228f4a2a..b14c8111057 100644 --- a/drivers/gpu/drm/nouveau/nouveau_backlight.c +++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c @@ -31,6 +31,7 @@ */ #include <linux/backlight.h> +#include <linux/acpi.h> #include "drmP.h" #include "nouveau_drv.h" @@ -136,6 +137,14 @@ int nouveau_backlight_init(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; +#ifdef CONFIG_ACPI + if (acpi_video_backlight_support()) { + NV_INFO(dev, "ACPI backlight interface available, " + "not registering our own\n"); + return 0; + } +#endif + switch (dev_priv->card_type) { case NV_40: return nouveau_nv40_backlight_init(dev); diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index 5f21030a293..b2293576f27 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -6829,7 +6829,7 @@ nouveau_bios_posted(struct drm_device *dev) struct drm_nouveau_private *dev_priv = dev->dev_private; unsigned htotal; - if (dev_priv->chipset >= NV_50) { + if (dev_priv->card_type >= NV_50) { if (NVReadVgaCrtc(dev, 0, 0x00) == 0 && NVReadVgaCrtc(dev, 0, 0x1a) == 0) return false; diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 80353e2b840..c41e1c200ef 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -143,8 +143,10 @@ nouveau_bo_new(struct drm_device *dev, struct nouveau_channel *chan, nvbo->no_vm = no_vm; nvbo->tile_mode = tile_mode; nvbo->tile_flags = tile_flags; + nvbo->bo.bdev = &dev_priv->ttm.bdev; - nouveau_bo_fixup_align(dev, tile_mode, tile_flags, &align, &size); + nouveau_bo_fixup_align(dev, tile_mode, nouveau_bo_tile_layout(nvbo), + &align, &size); align >>= PAGE_SHIFT; nouveau_bo_placement_set(nvbo, flags, 0); @@ -176,6 +178,31 @@ set_placement_list(uint32_t *pl, unsigned *n, uint32_t type, uint32_t flags) pl[(*n)++] = TTM_PL_FLAG_SYSTEM | flags; } +static void +set_placement_range(struct nouveau_bo *nvbo, uint32_t type) +{ + struct drm_nouveau_private *dev_priv = nouveau_bdev(nvbo->bo.bdev); + + if (dev_priv->card_type == NV_10 && + nvbo->tile_mode && (type & TTM_PL_FLAG_VRAM)) { + /* + * Make sure that the color and depth buffers are handled + * by independent memory controller units. Up to a 9x + * speed up when alpha-blending and depth-test are enabled + * at the same time. + */ + int vram_pages = dev_priv->vram_size >> PAGE_SHIFT; + + if (nvbo->tile_flags & NOUVEAU_GEM_TILE_ZETA) { + nvbo->placement.fpfn = vram_pages / 2; + nvbo->placement.lpfn = ~0; + } else { + nvbo->placement.fpfn = 0; + nvbo->placement.lpfn = vram_pages / 2; + } + } +} + void nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t type, uint32_t busy) { @@ -190,6 +217,8 @@ nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t type, uint32_t busy) pl->busy_placement = nvbo->busy_placements; set_placement_list(nvbo->busy_placements, &pl->num_busy_placement, type | busy, flags); + + set_placement_range(nvbo, type); } int @@ -525,7 +554,8 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, stride = 16 * 4; height = amount / stride; - if (new_mem->mem_type == TTM_PL_VRAM && nvbo->tile_flags) { + if (new_mem->mem_type == TTM_PL_VRAM && + nouveau_bo_tile_layout(nvbo)) { ret = RING_SPACE(chan, 8); if (ret) return ret; @@ -546,7 +576,8 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, BEGIN_RING(chan, NvSubM2MF, 0x0200, 1); OUT_RING (chan, 1); } - if (old_mem->mem_type == TTM_PL_VRAM && nvbo->tile_flags) { + if (old_mem->mem_type == TTM_PL_VRAM && + nouveau_bo_tile_layout(nvbo)) { ret = RING_SPACE(chan, 8); if (ret) return ret; @@ -753,7 +784,8 @@ nouveau_bo_vm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem, if (dev_priv->card_type == NV_50) { ret = nv50_mem_vm_bind_linear(dev, offset + dev_priv->vm_vram_base, - new_mem->size, nvbo->tile_flags, + new_mem->size, + nouveau_bo_tile_layout(nvbo), offset); if (ret) return ret; @@ -894,7 +926,8 @@ nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo) * nothing to do here. */ if (bo->mem.mem_type != TTM_PL_VRAM) { - if (dev_priv->card_type < NV_50 || !nvbo->tile_flags) + if (dev_priv->card_type < NV_50 || + !nouveau_bo_tile_layout(nvbo)) return 0; } diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 0871495096f..52c356e9a3d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -281,7 +281,7 @@ detect_analog: nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG); if (!nv_encoder && !nouveau_tv_disable) nv_encoder = find_encoder_by_type(connector, OUTPUT_TV); - if (nv_encoder) { + if (nv_encoder && force) { struct drm_encoder *encoder = to_drm_encoder(nv_encoder); struct drm_encoder_helper_funcs *helper = encoder->helper_private; @@ -641,11 +641,28 @@ nouveau_connector_get_modes(struct drm_connector *connector) return ret; } +static unsigned +get_tmds_link_bandwidth(struct drm_connector *connector) +{ + struct nouveau_connector *nv_connector = nouveau_connector(connector); + struct drm_nouveau_private *dev_priv = connector->dev->dev_private; + struct dcb_entry *dcb = nv_connector->detected_encoder->dcb; + + if (dcb->location != DCB_LOC_ON_CHIP || + dev_priv->chipset >= 0x46) + return 165000; + else if (dev_priv->chipset >= 0x40) + return 155000; + else if (dev_priv->chipset >= 0x18) + return 135000; + else + return 112000; +} + static int nouveau_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - struct drm_nouveau_private *dev_priv = connector->dev->dev_private; struct nouveau_connector *nv_connector = nouveau_connector(connector); struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; struct drm_encoder *encoder = to_drm_encoder(nv_encoder); @@ -663,11 +680,9 @@ nouveau_connector_mode_valid(struct drm_connector *connector, max_clock = 400000; break; case OUTPUT_TMDS: - if ((dev_priv->card_type >= NV_50 && !nouveau_duallink) || - !nv_encoder->dcb->duallink_possible) - max_clock = 165000; - else - max_clock = 330000; + max_clock = get_tmds_link_bandwidth(connector); + if (nouveau_duallink && nv_encoder->dcb->duallink_possible) + max_clock *= 2; break; case OUTPUT_ANALOG: max_clock = nv_encoder->dcb->crtconf.maxfreq; @@ -709,44 +724,6 @@ nouveau_connector_best_encoder(struct drm_connector *connector) return NULL; } -void -nouveau_connector_set_polling(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct drm_crtc *crtc; - bool spare_crtc = false; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - spare_crtc |= !crtc->enabled; - - connector->polled = 0; - - switch (connector->connector_type) { - case DRM_MODE_CONNECTOR_VGA: - case DRM_MODE_CONNECTOR_TV: - if (dev_priv->card_type >= NV_50 || - (nv_gf4_disp_arch(dev) && spare_crtc)) - connector->polled = DRM_CONNECTOR_POLL_CONNECT; - break; - - case DRM_MODE_CONNECTOR_DVII: - case DRM_MODE_CONNECTOR_DVID: - case DRM_MODE_CONNECTOR_HDMIA: - case DRM_MODE_CONNECTOR_DisplayPort: - case DRM_MODE_CONNECTOR_eDP: - if (dev_priv->card_type >= NV_50) - connector->polled = DRM_CONNECTOR_POLL_HPD; - else if (connector->connector_type == DRM_MODE_CONNECTOR_DVID || - spare_crtc) - connector->polled = DRM_CONNECTOR_POLL_CONNECT; - break; - - default: - break; - } -} - static const struct drm_connector_helper_funcs nouveau_connector_helper_funcs = { .get_modes = nouveau_connector_get_modes, @@ -872,6 +849,7 @@ nouveau_connector_create(struct drm_device *dev, int index) dev->mode_config.scaling_mode_property, nv_connector->scaling_mode); } + connector->polled = DRM_CONNECTOR_POLL_CONNECT; /* fall-through */ case DCB_CONNECTOR_TV_0: case DCB_CONNECTOR_TV_1: @@ -888,11 +866,16 @@ nouveau_connector_create(struct drm_device *dev, int index) dev->mode_config.dithering_mode_property, nv_connector->use_dithering ? DRM_MODE_DITHERING_ON : DRM_MODE_DITHERING_OFF); + + if (dcb->type != DCB_CONNECTOR_LVDS) { + if (dev_priv->card_type >= NV_50) + connector->polled = DRM_CONNECTOR_POLL_HPD; + else + connector->polled = DRM_CONNECTOR_POLL_CONNECT; + } break; } - nouveau_connector_set_polling(connector); - drm_sysfs_connector_add(connector); dcb->drm = connector; return dcb->drm; diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.h b/drivers/gpu/drm/nouveau/nouveau_connector.h index c21ed6b16f8..711b1e9203a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.h +++ b/drivers/gpu/drm/nouveau/nouveau_connector.h @@ -52,9 +52,6 @@ static inline struct nouveau_connector *nouveau_connector( struct drm_connector * nouveau_connector_create(struct drm_device *, int index); -void -nouveau_connector_set_polling(struct drm_connector *); - int nouveau_connector_bpp(struct drm_connector *); diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 3a07e580d27..1c7db64c03b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -100,6 +100,9 @@ struct nouveau_bo { int pin_refcnt; }; +#define nouveau_bo_tile_layout(nvbo) \ + ((nvbo)->tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK) + static inline struct nouveau_bo * nouveau_bo(struct ttm_buffer_object *bo) { @@ -304,6 +307,7 @@ struct nouveau_fifo_engine { void (*destroy_context)(struct nouveau_channel *); int (*load_context)(struct nouveau_channel *); int (*unload_context)(struct drm_device *); + void (*tlb_flush)(struct drm_device *dev); }; struct nouveau_pgraph_object_method { @@ -336,6 +340,7 @@ struct nouveau_pgraph_engine { void (*destroy_context)(struct nouveau_channel *); int (*load_context)(struct nouveau_channel *); int (*unload_context)(struct drm_device *); + void (*tlb_flush)(struct drm_device *dev); void (*set_region_tiling)(struct drm_device *dev, int i, uint32_t addr, uint32_t size, uint32_t pitch); @@ -485,13 +490,13 @@ enum nv04_fp_display_regs { }; struct nv04_crtc_reg { - unsigned char MiscOutReg; /* */ + unsigned char MiscOutReg; uint8_t CRTC[0xa0]; uint8_t CR58[0x10]; uint8_t Sequencer[5]; uint8_t Graphics[9]; uint8_t Attribute[21]; - unsigned char DAC[768]; /* Internal Colorlookuptable */ + unsigned char DAC[768]; /* PCRTC regs */ uint32_t fb_start; @@ -539,43 +544,9 @@ struct nv04_output_reg { }; struct nv04_mode_state { - uint32_t bpp; - uint32_t width; - uint32_t height; - uint32_t interlace; - uint32_t repaint0; - uint32_t repaint1; - uint32_t screen; - uint32_t scale; - uint32_t dither; - uint32_t extra; - uint32_t fifo; - uint32_t pixel; - uint32_t horiz; - int arbitration0; - int arbitration1; - uint32_t pll; - uint32_t pllB; - uint32_t vpll; - uint32_t vpll2; - uint32_t vpllB; - uint32_t vpll2B; + struct nv04_crtc_reg crtc_reg[2]; uint32_t pllsel; uint32_t sel_clk; - uint32_t general; - uint32_t crtcOwner; - uint32_t head; - uint32_t head2; - uint32_t cursorConfig; - uint32_t cursor0; - uint32_t cursor1; - uint32_t cursor2; - uint32_t timingH; - uint32_t timingV; - uint32_t displayV; - uint32_t crtcSync; - - struct nv04_crtc_reg crtc_reg[2]; }; enum nouveau_card_type { @@ -613,6 +584,12 @@ struct drm_nouveau_private { struct work_struct irq_work; struct work_struct hpd_work; + struct { + spinlock_t lock; + uint32_t hpd0_bits; + uint32_t hpd1_bits; + } hpd_state; + struct list_head vbl_waiting; struct { @@ -1045,6 +1022,7 @@ extern int nv50_fifo_create_context(struct nouveau_channel *); extern void nv50_fifo_destroy_context(struct nouveau_channel *); extern int nv50_fifo_load_context(struct nouveau_channel *); extern int nv50_fifo_unload_context(struct drm_device *); +extern void nv50_fifo_tlb_flush(struct drm_device *dev); /* nvc0_fifo.c */ extern int nvc0_fifo_init(struct drm_device *); @@ -1122,6 +1100,8 @@ extern int nv50_graph_load_context(struct nouveau_channel *); extern int nv50_graph_unload_context(struct drm_device *); extern void nv50_graph_context_switch(struct drm_device *); extern int nv50_grctx_init(struct nouveau_grctx *); +extern void nv50_graph_tlb_flush(struct drm_device *dev); +extern void nv86_graph_tlb_flush(struct drm_device *dev); /* nvc0_graph.c */ extern int nvc0_graph_init(struct drm_device *); @@ -1239,7 +1219,6 @@ extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index); extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val); extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index); extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val); -extern int nouveau_bo_sync_gpu(struct nouveau_bo *, struct nouveau_channel *); /* nouveau_fence.c */ struct nouveau_fence; diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 441b12420bb..ab1bbfbf266 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -249,6 +249,7 @@ alloc_semaphore(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_semaphore *sema; + int ret; if (!USE_SEMA(dev)) return NULL; @@ -257,10 +258,14 @@ alloc_semaphore(struct drm_device *dev) if (!sema) goto fail; + ret = drm_mm_pre_get(&dev_priv->fence.heap); + if (ret) + goto fail; + spin_lock(&dev_priv->fence.lock); sema->mem = drm_mm_search_free(&dev_priv->fence.heap, 4, 0, 0); if (sema->mem) - sema->mem = drm_mm_get_block(sema->mem, 4, 0); + sema->mem = drm_mm_get_block_atomic(sema->mem, 4, 0); spin_unlock(&dev_priv->fence.lock); if (!sema->mem) diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 5c4c929d7f7..9a1fdcf400c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -107,23 +107,29 @@ nouveau_gem_info(struct drm_gem_object *gem, struct drm_nouveau_gem_info *rep) } static bool -nouveau_gem_tile_flags_valid(struct drm_device *dev, uint32_t tile_flags) { - switch (tile_flags) { - case 0x0000: - case 0x1800: - case 0x2800: - case 0x4800: - case 0x7000: - case 0x7400: - case 0x7a00: - case 0xe000: - break; - default: - NV_ERROR(dev, "bad page flags: 0x%08x\n", tile_flags); - return false; +nouveau_gem_tile_flags_valid(struct drm_device *dev, uint32_t tile_flags) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + if (dev_priv->card_type >= NV_50) { + switch (tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK) { + case 0x0000: + case 0x1800: + case 0x2800: + case 0x4800: + case 0x7000: + case 0x7400: + case 0x7a00: + case 0xe000: + return true; + } + } else { + if (!(tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)) + return true; } - return true; + NV_ERROR(dev, "bad page flags: 0x%08x\n", tile_flags); + return false; } int diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.c b/drivers/gpu/drm/nouveau/nouveau_hw.c index bed669a54a2..b9672a05c41 100644 --- a/drivers/gpu/drm/nouveau/nouveau_hw.c +++ b/drivers/gpu/drm/nouveau/nouveau_hw.c @@ -519,11 +519,11 @@ nouveau_hw_fix_bad_vpll(struct drm_device *dev, int head) struct pll_lims pll_lim; struct nouveau_pll_vals pv; - uint32_t pllreg = head ? NV_RAMDAC_VPLL2 : NV_PRAMDAC_VPLL_COEFF; + enum pll_types pll = head ? PLL_VPLL1 : PLL_VPLL0; - if (get_pll_limits(dev, pllreg, &pll_lim)) + if (get_pll_limits(dev, pll, &pll_lim)) return; - nouveau_hw_get_pllvals(dev, pllreg, &pv); + nouveau_hw_get_pllvals(dev, pll, &pv); if (pv.M1 >= pll_lim.vco1.min_m && pv.M1 <= pll_lim.vco1.max_m && pv.N1 >= pll_lim.vco1.min_n && pv.N1 <= pll_lim.vco1.max_n && @@ -536,7 +536,7 @@ nouveau_hw_fix_bad_vpll(struct drm_device *dev, int head) pv.M1 = pll_lim.vco1.max_m; pv.N1 = pll_lim.vco1.min_n; pv.log2P = pll_lim.max_usable_log2p; - nouveau_hw_setpll(dev, pllreg, &pv); + nouveau_hw_setpll(dev, pll_lim.reg, &pv); } /* diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.h b/drivers/gpu/drm/nouveau/nouveau_hw.h index 869130f8360..2989090b943 100644 --- a/drivers/gpu/drm/nouveau/nouveau_hw.h +++ b/drivers/gpu/drm/nouveau/nouveau_hw.h @@ -416,6 +416,25 @@ nv_fix_nv40_hw_cursor(struct drm_device *dev, int head) } static inline void +nv_set_crtc_base(struct drm_device *dev, int head, uint32_t offset) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + NVWriteCRTC(dev, head, NV_PCRTC_START, offset); + + if (dev_priv->card_type == NV_04) { + /* + * Hilarious, the 24th bit doesn't want to stick to + * PCRTC_START... + */ + int cre_heb = NVReadVgaCrtc(dev, head, NV_CIO_CRE_HEB__INDEX); + + NVWriteVgaCrtc(dev, head, NV_CIO_CRE_HEB__INDEX, + (cre_heb & ~0x40) | ((offset >> 18) & 0x40)); + } +} + +static inline void nv_show_cursor(struct drm_device *dev, int head, bool show) { struct drm_nouveau_private *dev_priv = dev->dev_private; diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c index fdd7e3de79c..cb389d01432 100644 --- a/drivers/gpu/drm/nouveau/nouveau_i2c.c +++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c @@ -256,7 +256,7 @@ nouveau_i2c_find(struct drm_device *dev, int index) if (index >= DCB_MAX_NUM_I2C_ENTRIES) return NULL; - if (dev_priv->chipset >= NV_50 && (i2c->entry & 0x00000100)) { + if (dev_priv->card_type >= NV_50 && (i2c->entry & 0x00000100)) { uint32_t reg = 0xe500, val; if (i2c->port_type == 6) { diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c index 6fd51a51c60..7bfd9e6c9d6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_irq.c +++ b/drivers/gpu/drm/nouveau/nouveau_irq.c @@ -42,6 +42,13 @@ #include "nouveau_connector.h" #include "nv50_display.h" +static DEFINE_RATELIMIT_STATE(nouveau_ratelimit_state, 3 * HZ, 20); + +static int nouveau_ratelimit(void) +{ + return __ratelimit(&nouveau_ratelimit_state); +} + void nouveau_irq_preinstall(struct drm_device *dev) { @@ -53,6 +60,7 @@ nouveau_irq_preinstall(struct drm_device *dev) if (dev_priv->card_type >= NV_50) { INIT_WORK(&dev_priv->irq_work, nv50_display_irq_handler_bh); INIT_WORK(&dev_priv->hpd_work, nv50_display_irq_hotplug_bh); + spin_lock_init(&dev_priv->hpd_state.lock); INIT_LIST_HEAD(&dev_priv->vbl_waiting); } } @@ -202,8 +210,8 @@ nouveau_fifo_irq_handler(struct drm_device *dev) } if (status & NV_PFIFO_INTR_DMA_PUSHER) { - u32 get = nv_rd32(dev, 0x003244); - u32 put = nv_rd32(dev, 0x003240); + u32 dma_get = nv_rd32(dev, 0x003244); + u32 dma_put = nv_rd32(dev, 0x003240); u32 push = nv_rd32(dev, 0x003220); u32 state = nv_rd32(dev, 0x003228); @@ -213,16 +221,18 @@ nouveau_fifo_irq_handler(struct drm_device *dev) u32 ib_get = nv_rd32(dev, 0x003334); u32 ib_put = nv_rd32(dev, 0x003330); - NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d Get 0x%02x%08x " + if (nouveau_ratelimit()) + NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d Get 0x%02x%08x " "Put 0x%02x%08x IbGet 0x%08x IbPut 0x%08x " "State 0x%08x Push 0x%08x\n", - chid, ho_get, get, ho_put, put, ib_get, ib_put, - state, push); + chid, ho_get, dma_get, ho_put, + dma_put, ib_get, ib_put, state, + push); /* METHOD_COUNT, in DMA_STATE on earlier chipsets */ nv_wr32(dev, 0x003364, 0x00000000); - if (get != put || ho_get != ho_put) { - nv_wr32(dev, 0x003244, put); + if (dma_get != dma_put || ho_get != ho_put) { + nv_wr32(dev, 0x003244, dma_put); nv_wr32(dev, 0x003328, ho_put); } else if (ib_get != ib_put) { @@ -231,10 +241,10 @@ nouveau_fifo_irq_handler(struct drm_device *dev) } else { NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d Get 0x%08x " "Put 0x%08x State 0x%08x Push 0x%08x\n", - chid, get, put, state, push); + chid, dma_get, dma_put, state, push); - if (get != put) - nv_wr32(dev, 0x003244, put); + if (dma_get != dma_put) + nv_wr32(dev, 0x003244, dma_put); } nv_wr32(dev, 0x003228, 0x00000000); @@ -266,8 +276,9 @@ nouveau_fifo_irq_handler(struct drm_device *dev) } if (status) { - NV_INFO(dev, "PFIFO_INTR 0x%08x - Ch %d\n", - status, chid); + if (nouveau_ratelimit()) + NV_INFO(dev, "PFIFO_INTR 0x%08x - Ch %d\n", + status, chid); nv_wr32(dev, NV03_PFIFO_INTR_0, status); status = 0; } @@ -544,13 +555,6 @@ nouveau_pgraph_intr_notify(struct drm_device *dev, uint32_t nsource) nouveau_graph_dump_trap_info(dev, "PGRAPH_NOTIFY", &trap); } -static DEFINE_RATELIMIT_STATE(nouveau_ratelimit_state, 3 * HZ, 20); - -static int nouveau_ratelimit(void) -{ - return __ratelimit(&nouveau_ratelimit_state); -} - static inline void nouveau_pgraph_intr_error(struct drm_device *dev, uint32_t nsource) diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index a163c7c612e..fe4a30dc4b4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -33,9 +33,9 @@ #include "drmP.h" #include "drm.h" #include "drm_sarea.h" -#include "nouveau_drv.h" -#define MIN(a,b) a < b ? a : b +#include "nouveau_drv.h" +#include "nouveau_pm.h" /* * NV10-NV40 tiling helpers @@ -175,11 +175,10 @@ nv50_mem_vm_bind_linear(struct drm_device *dev, uint64_t virt, uint32_t size, } } } - dev_priv->engine.instmem.flush(dev); - nv50_vm_flush(dev, 5); - nv50_vm_flush(dev, 0); - nv50_vm_flush(dev, 4); + dev_priv->engine.instmem.flush(dev); + dev_priv->engine.fifo.tlb_flush(dev); + dev_priv->engine.graph.tlb_flush(dev); nv50_vm_flush(dev, 6); return 0; } @@ -209,11 +208,10 @@ nv50_mem_vm_unbind(struct drm_device *dev, uint64_t virt, uint32_t size) pte++; } } - dev_priv->engine.instmem.flush(dev); - nv50_vm_flush(dev, 5); - nv50_vm_flush(dev, 0); - nv50_vm_flush(dev, 4); + dev_priv->engine.instmem.flush(dev); + dev_priv->engine.fifo.tlb_flush(dev); + dev_priv->engine.graph.tlb_flush(dev); nv50_vm_flush(dev, 6); } @@ -653,6 +651,7 @@ nouveau_mem_gart_init(struct drm_device *dev) void nouveau_mem_timing_init(struct drm_device *dev) { + /* cards < NVC0 only */ struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_pm_engine *pm = &dev_priv->engine.pm; struct nouveau_pm_memtimings *memtimings = &pm->memtimings; @@ -719,14 +718,14 @@ nouveau_mem_timing_init(struct drm_device *dev) tUNK_19 = 1; tUNK_20 = 0; tUNK_21 = 0; - switch (MIN(recordlen,21)) { - case 21: + switch (min(recordlen, 22)) { + case 22: tUNK_21 = entry[21]; - case 20: + case 21: tUNK_20 = entry[20]; - case 19: + case 20: tUNK_19 = entry[19]; - case 18: + case 19: tUNK_18 = entry[18]; default: tUNK_0 = entry[0]; @@ -756,24 +755,30 @@ nouveau_mem_timing_init(struct drm_device *dev) timing->reg_100228 = (tUNK_12 << 16 | tUNK_11 << 8 | tUNK_10); if(recordlen > 19) { timing->reg_100228 += (tUNK_19 - 1) << 24; - } else { + }/* I cannot back-up this else-statement right now + else { timing->reg_100228 += tUNK_12 << 24; - } + }*/ /* XXX: reg_10022c */ + timing->reg_10022c = tUNK_2 - 1; timing->reg_100230 = (tUNK_20 << 24 | tUNK_21 << 16 | tUNK_13 << 8 | tUNK_13); /* XXX: +6? */ timing->reg_100234 = (tRAS << 24 | (tUNK_19 + 6) << 8 | tRC); - if(tUNK_10 > tUNK_11) { - timing->reg_100234 += tUNK_10 << 16; - } else { - timing->reg_100234 += tUNK_11 << 16; + timing->reg_100234 += max(tUNK_10,tUNK_11) << 16; + + /* XXX; reg_100238, reg_10023c + * reg: 0x00?????? + * reg_10023c: + * 0 for pre-NV50 cards + * 0x????0202 for NV50+ cards (empirical evidence) */ + if(dev_priv->card_type >= NV_50) { + timing->reg_10023c = 0x202; } - /* XXX; reg_100238, reg_10023c */ NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", i, timing->reg_100220, timing->reg_100224, timing->reg_100228, timing->reg_10022c); diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c index 896cf863414..dd572adca02 100644 --- a/drivers/gpu/drm/nouveau/nouveau_object.c +++ b/drivers/gpu/drm/nouveau/nouveau_object.c @@ -129,7 +129,7 @@ nouveau_gpuobj_new(struct drm_device *dev, struct nouveau_channel *chan, if (ramin == NULL) { spin_unlock(&dev_priv->ramin_lock); nouveau_gpuobj_ref(NULL, &gpuobj); - return ret; + return -ENOMEM; } ramin = drm_mm_get_block_atomic(ramin, size, align); diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c index 1c99c55d6d4..9f7b158f582 100644 --- a/drivers/gpu/drm/nouveau/nouveau_pm.c +++ b/drivers/gpu/drm/nouveau/nouveau_pm.c @@ -284,6 +284,7 @@ nouveau_sysfs_fini(struct drm_device *dev) } } +#ifdef CONFIG_HWMON static ssize_t nouveau_hwmon_show_temp(struct device *d, struct device_attribute *a, char *buf) { @@ -395,10 +396,12 @@ static struct attribute *hwmon_attributes[] = { static const struct attribute_group hwmon_attrgroup = { .attrs = hwmon_attributes, }; +#endif static int nouveau_hwmon_init(struct drm_device *dev) { +#ifdef CONFIG_HWMON struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_pm_engine *pm = &dev_priv->engine.pm; struct device *hwmon_dev; @@ -425,13 +428,14 @@ nouveau_hwmon_init(struct drm_device *dev) } pm->hwmon = hwmon_dev; - +#endif return 0; } static void nouveau_hwmon_fini(struct drm_device *dev) { +#ifdef CONFIG_HWMON struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_pm_engine *pm = &dev_priv->engine.pm; @@ -439,6 +443,7 @@ nouveau_hwmon_fini(struct drm_device *dev) sysfs_remove_group(&pm->hwmon->kobj, &hwmon_attrgroup); hwmon_device_unregister(pm->hwmon); } +#endif } int diff --git a/drivers/gpu/drm/nouveau/nouveau_ramht.c b/drivers/gpu/drm/nouveau/nouveau_ramht.c index 7f16697cc96..2d8580927ca 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ramht.c +++ b/drivers/gpu/drm/nouveau/nouveau_ramht.c @@ -153,26 +153,42 @@ nouveau_ramht_insert(struct nouveau_channel *chan, u32 handle, return -ENOMEM; } +static struct nouveau_ramht_entry * +nouveau_ramht_remove_entry(struct nouveau_channel *chan, u32 handle) +{ + struct nouveau_ramht *ramht = chan ? chan->ramht : NULL; + struct nouveau_ramht_entry *entry; + unsigned long flags; + + if (!ramht) + return NULL; + + spin_lock_irqsave(&ramht->lock, flags); + list_for_each_entry(entry, &ramht->entries, head) { + if (entry->channel == chan && + (!handle || entry->handle == handle)) { + list_del(&entry->head); + spin_unlock_irqrestore(&ramht->lock, flags); + + return entry; + } + } + spin_unlock_irqrestore(&ramht->lock, flags); + + return NULL; +} + static void -nouveau_ramht_remove_locked(struct nouveau_channel *chan, u32 handle) +nouveau_ramht_remove_hash(struct nouveau_channel *chan, u32 handle) { struct drm_device *dev = chan->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem; struct nouveau_gpuobj *ramht = chan->ramht->gpuobj; - struct nouveau_ramht_entry *entry, *tmp; + unsigned long flags; u32 co, ho; - list_for_each_entry_safe(entry, tmp, &chan->ramht->entries, head) { - if (entry->channel != chan || entry->handle != handle) - continue; - - nouveau_gpuobj_ref(NULL, &entry->gpuobj); - list_del(&entry->head); - kfree(entry); - break; - } - + spin_lock_irqsave(&chan->ramht->lock, flags); co = ho = nouveau_ramht_hash_handle(chan, handle); do { if (nouveau_ramht_entry_valid(dev, ramht, co) && @@ -184,7 +200,7 @@ nouveau_ramht_remove_locked(struct nouveau_channel *chan, u32 handle) nv_wo32(ramht, co + 0, 0x00000000); nv_wo32(ramht, co + 4, 0x00000000); instmem->flush(dev); - return; + goto out; } co += 8; @@ -194,17 +210,22 @@ nouveau_ramht_remove_locked(struct nouveau_channel *chan, u32 handle) NV_ERROR(dev, "RAMHT entry not found. ch=%d, handle=0x%08x\n", chan->id, handle); +out: + spin_unlock_irqrestore(&chan->ramht->lock, flags); } void nouveau_ramht_remove(struct nouveau_channel *chan, u32 handle) { - struct nouveau_ramht *ramht = chan->ramht; - unsigned long flags; + struct nouveau_ramht_entry *entry; - spin_lock_irqsave(&ramht->lock, flags); - nouveau_ramht_remove_locked(chan, handle); - spin_unlock_irqrestore(&ramht->lock, flags); + entry = nouveau_ramht_remove_entry(chan, handle); + if (!entry) + return; + + nouveau_ramht_remove_hash(chan, entry->handle); + nouveau_gpuobj_ref(NULL, &entry->gpuobj); + kfree(entry); } struct nouveau_gpuobj * @@ -265,23 +286,19 @@ void nouveau_ramht_ref(struct nouveau_ramht *ref, struct nouveau_ramht **ptr, struct nouveau_channel *chan) { - struct nouveau_ramht_entry *entry, *tmp; + struct nouveau_ramht_entry *entry; struct nouveau_ramht *ramht; - unsigned long flags; if (ref) kref_get(&ref->refcount); ramht = *ptr; if (ramht) { - spin_lock_irqsave(&ramht->lock, flags); - list_for_each_entry_safe(entry, tmp, &ramht->entries, head) { - if (entry->channel != chan) - continue; - - nouveau_ramht_remove_locked(chan, entry->handle); + while ((entry = nouveau_ramht_remove_entry(chan, 0))) { + nouveau_ramht_remove_hash(chan, entry->handle); + nouveau_gpuobj_ref(NULL, &entry->gpuobj); + kfree(entry); } - spin_unlock_irqrestore(&ramht->lock, flags); kref_put(&ramht->refcount, nouveau_ramht_del); } diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c index 288bacac7e5..d4ac9700703 100644 --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c @@ -120,8 +120,8 @@ nouveau_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem) dev_priv->engine.instmem.flush(nvbe->dev); if (dev_priv->card_type == NV_50) { - nv50_vm_flush(dev, 5); /* PGRAPH */ - nv50_vm_flush(dev, 0); /* PFIFO */ + dev_priv->engine.fifo.tlb_flush(dev); + dev_priv->engine.graph.tlb_flush(dev); } nvbe->bound = true; @@ -162,8 +162,8 @@ nouveau_sgdma_unbind(struct ttm_backend *be) dev_priv->engine.instmem.flush(nvbe->dev); if (dev_priv->card_type == NV_50) { - nv50_vm_flush(dev, 5); - nv50_vm_flush(dev, 0); + dev_priv->engine.fifo.tlb_flush(dev); + dev_priv->engine.graph.tlb_flush(dev); } nvbe->bound = false; @@ -224,7 +224,11 @@ nouveau_sgdma_init(struct drm_device *dev) int i, ret; if (dev_priv->card_type < NV_50) { - aper_size = (64 * 1024 * 1024); + if(dev_priv->ramin_rsvd_vram < 2 * 1024 * 1024) + aper_size = 64 * 1024 * 1024; + else + aper_size = 512 * 1024 * 1024; + obj_size = (aper_size >> NV_CTXDMA_PAGE_SHIFT) * 4; obj_size += 8; /* ctxdma header */ } else { diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index ed7757f1408..049f755567e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -354,6 +354,15 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->graph.destroy_context = nv50_graph_destroy_context; engine->graph.load_context = nv50_graph_load_context; engine->graph.unload_context = nv50_graph_unload_context; + if (dev_priv->chipset != 0x86) + engine->graph.tlb_flush = nv50_graph_tlb_flush; + else { + /* from what i can see nvidia do this on every + * pre-NVA3 board except NVAC, but, we've only + * ever seen problems on NV86 + */ + engine->graph.tlb_flush = nv86_graph_tlb_flush; + } engine->fifo.channels = 128; engine->fifo.init = nv50_fifo_init; engine->fifo.takedown = nv50_fifo_takedown; @@ -365,6 +374,7 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->fifo.destroy_context = nv50_fifo_destroy_context; engine->fifo.load_context = nv50_fifo_load_context; engine->fifo.unload_context = nv50_fifo_unload_context; + engine->fifo.tlb_flush = nv50_fifo_tlb_flush; engine->display.early_init = nv50_display_early_init; engine->display.late_takedown = nv50_display_late_takedown; engine->display.create = nv50_display_create; @@ -1041,6 +1051,9 @@ int nouveau_ioctl_getparam(struct drm_device *dev, void *data, case NOUVEAU_GETPARAM_PTIMER_TIME: getparam->value = dev_priv->engine.timer.read(dev); break; + case NOUVEAU_GETPARAM_HAS_BO_USAGE: + getparam->value = 1; + break; case NOUVEAU_GETPARAM_GRAPH_UNITS: /* NV40 and NV50 versions are quite different, but register * address is the same. User is supposed to know the card @@ -1051,7 +1064,7 @@ int nouveau_ioctl_getparam(struct drm_device *dev, void *data, } /* FALLTHRU */ default: - NV_ERROR(dev, "unknown parameter %lld\n", getparam->param); + NV_DEBUG(dev, "unknown parameter %lld\n", getparam->param); return -EINVAL; } @@ -1066,7 +1079,7 @@ nouveau_ioctl_setparam(struct drm_device *dev, void *data, switch (setparam->param) { default: - NV_ERROR(dev, "unknown parameter %lld\n", setparam->param); + NV_DEBUG(dev, "unknown parameter %lld\n", setparam->param); return -EINVAL; } diff --git a/drivers/gpu/drm/nouveau/nouveau_temp.c b/drivers/gpu/drm/nouveau/nouveau_temp.c index 16bbbf1eff6..7ecc4adc1e4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_temp.c +++ b/drivers/gpu/drm/nouveau/nouveau_temp.c @@ -191,7 +191,7 @@ nv40_temp_get(struct drm_device *dev) int offset = sensor->offset_mult / sensor->offset_div; int core_temp; - if (dev_priv->chipset >= 0x50) { + if (dev_priv->card_type >= NV_50) { core_temp = nv_rd32(dev, 0x20008); } else { core_temp = nv_rd32(dev, 0x0015b4) & 0x1fff; diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c index c71abc2a34d..40e18074162 100644 --- a/drivers/gpu/drm/nouveau/nv04_crtc.c +++ b/drivers/gpu/drm/nouveau/nv04_crtc.c @@ -158,7 +158,6 @@ nv_crtc_dpms(struct drm_crtc *crtc, int mode) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_device *dev = crtc->dev; - struct drm_connector *connector; unsigned char seq1 = 0, crtc17 = 0; unsigned char crtc1A; @@ -213,10 +212,6 @@ nv_crtc_dpms(struct drm_crtc *crtc, int mode) NVVgaSeqReset(dev, nv_crtc->index, false); NVWriteVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RPC1_INDEX, crtc1A); - - /* Update connector polling modes */ - list_for_each_entry(connector, &dev->mode_config.connector_list, head) - nouveau_connector_set_polling(connector); } static bool @@ -831,7 +826,7 @@ nv04_crtc_do_mode_set_base(struct drm_crtc *crtc, /* Update the framebuffer location. */ regp->fb_start = nv_crtc->fb.offset & ~3; regp->fb_start += (y * drm_fb->pitch) + (x * drm_fb->bits_per_pixel / 8); - NVWriteCRTC(dev, nv_crtc->index, NV_PCRTC_START, regp->fb_start); + nv_set_crtc_base(dev, nv_crtc->index, regp->fb_start); /* Update the arbitration parameters. */ nouveau_calc_arb(dev, crtc->mode.clock, drm_fb->bits_per_pixel, diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c index c936403b26e..ef23550407b 100644 --- a/drivers/gpu/drm/nouveau/nv04_dfp.c +++ b/drivers/gpu/drm/nouveau/nv04_dfp.c @@ -185,14 +185,15 @@ static bool nv04_dfp_mode_fixup(struct drm_encoder *encoder, struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct nouveau_connector *nv_connector = nouveau_encoder_connector_get(nv_encoder); - /* For internal panels and gpu scaling on DVI we need the native mode */ - if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) { - if (!nv_connector->native_mode) - return false; + if (!nv_connector->native_mode || + nv_connector->scaling_mode == DRM_MODE_SCALE_NONE || + mode->hdisplay > nv_connector->native_mode->hdisplay || + mode->vdisplay > nv_connector->native_mode->vdisplay) { + nv_encoder->mode = *adjusted_mode; + + } else { nv_encoder->mode = *nv_connector->native_mode; adjusted_mode->clock = nv_connector->native_mode->clock; - } else { - nv_encoder->mode = *adjusted_mode; } return true; diff --git a/drivers/gpu/drm/nouveau/nv04_pm.c b/drivers/gpu/drm/nouveau/nv04_pm.c index 6a6eb697d38..eb1c70dd82e 100644 --- a/drivers/gpu/drm/nouveau/nv04_pm.c +++ b/drivers/gpu/drm/nouveau/nv04_pm.c @@ -76,6 +76,15 @@ nv04_pm_clock_set(struct drm_device *dev, void *pre_state) reg += 4; nouveau_hw_setpll(dev, reg, &state->calc); + + if (dev_priv->card_type < NV_30 && reg == NV_PRAMDAC_MPLL_COEFF) { + if (dev_priv->card_type == NV_20) + nv_mask(dev, 0x1002c4, 0, 1 << 20); + + /* Reset the DLLs */ + nv_mask(dev, 0x1002c0, 0, 1 << 8); + } + kfree(state); } diff --git a/drivers/gpu/drm/nouveau/nv50_calc.c b/drivers/gpu/drm/nouveau/nv50_calc.c index 2cdc2bfe717..de81151648f 100644 --- a/drivers/gpu/drm/nouveau/nv50_calc.c +++ b/drivers/gpu/drm/nouveau/nv50_calc.c @@ -51,24 +51,28 @@ nv50_calc_pll2(struct drm_device *dev, struct pll_lims *pll, int clk, int *N, int *fN, int *M, int *P) { fixed20_12 fb_div, a, b; + u32 refclk = pll->refclk / 10; + u32 max_vco_freq = pll->vco1.maxfreq / 10; + u32 max_vco_inputfreq = pll->vco1.max_inputfreq / 10; + clk /= 10; - *P = pll->vco1.maxfreq / clk; + *P = max_vco_freq / clk; if (*P > pll->max_p) *P = pll->max_p; if (*P < pll->min_p) *P = pll->min_p; - /* *M = ceil(refclk / pll->vco.max_inputfreq); */ - a.full = dfixed_const(pll->refclk); - b.full = dfixed_const(pll->vco1.max_inputfreq); + /* *M = floor((refclk + max_vco_inputfreq) / max_vco_inputfreq); */ + a.full = dfixed_const(refclk + max_vco_inputfreq); + b.full = dfixed_const(max_vco_inputfreq); a.full = dfixed_div(a, b); - a.full = dfixed_ceil(a); + a.full = dfixed_floor(a); *M = dfixed_trunc(a); /* fb_div = (vco * *M) / refclk; */ fb_div.full = dfixed_const(clk * *P); fb_div.full = dfixed_mul(fb_div, a); - a.full = dfixed_const(pll->refclk); + a.full = dfixed_const(refclk); fb_div.full = dfixed_div(fb_div, a); /* *N = floor(fb_div); */ diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c index 16380d52cd8..56476d0c6de 100644 --- a/drivers/gpu/drm/nouveau/nv50_crtc.c +++ b/drivers/gpu/drm/nouveau/nv50_crtc.c @@ -546,7 +546,7 @@ nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, } nv_crtc->fb.offset = fb->nvbo->bo.offset - dev_priv->vm_vram_base; - nv_crtc->fb.tile_flags = fb->nvbo->tile_flags; + nv_crtc->fb.tile_flags = nouveau_bo_tile_layout(fb->nvbo); nv_crtc->fb.cpp = drm_fb->bits_per_pixel / 8; if (!nv_crtc->fb.blanked && dev_priv->chipset != 0x50) { ret = RING_SPACE(evo, 2); @@ -578,7 +578,7 @@ nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, fb->nvbo->tile_mode); } if (dev_priv->chipset == 0x50) - OUT_RING(evo, (fb->nvbo->tile_flags << 8) | format); + OUT_RING(evo, (nv_crtc->fb.tile_flags << 8) | format); else OUT_RING(evo, format); diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 55c9663ef2b..f624c611dde 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -1032,11 +1032,18 @@ nv50_display_irq_hotplug_bh(struct work_struct *work) struct drm_connector *connector; const uint32_t gpio_reg[4] = { 0xe104, 0xe108, 0xe280, 0xe284 }; uint32_t unplug_mask, plug_mask, change_mask; - uint32_t hpd0, hpd1 = 0; + uint32_t hpd0, hpd1; - hpd0 = nv_rd32(dev, 0xe054) & nv_rd32(dev, 0xe050); + spin_lock_irq(&dev_priv->hpd_state.lock); + hpd0 = dev_priv->hpd_state.hpd0_bits; + dev_priv->hpd_state.hpd0_bits = 0; + hpd1 = dev_priv->hpd_state.hpd1_bits; + dev_priv->hpd_state.hpd1_bits = 0; + spin_unlock_irq(&dev_priv->hpd_state.lock); + + hpd0 &= nv_rd32(dev, 0xe050); if (dev_priv->chipset >= 0x90) - hpd1 = nv_rd32(dev, 0xe074) & nv_rd32(dev, 0xe070); + hpd1 &= nv_rd32(dev, 0xe070); plug_mask = (hpd0 & 0x0000ffff) | (hpd1 << 16); unplug_mask = (hpd0 >> 16) | (hpd1 & 0xffff0000); @@ -1078,10 +1085,6 @@ nv50_display_irq_hotplug_bh(struct work_struct *work) helper->dpms(connector->encoder, DRM_MODE_DPMS_OFF); } - nv_wr32(dev, 0xe054, nv_rd32(dev, 0xe054)); - if (dev_priv->chipset >= 0x90) - nv_wr32(dev, 0xe074, nv_rd32(dev, 0xe074)); - drm_helper_hpd_irq_event(dev); } @@ -1092,8 +1095,22 @@ nv50_display_irq_handler(struct drm_device *dev) uint32_t delayed = 0; if (nv_rd32(dev, NV50_PMC_INTR_0) & NV50_PMC_INTR_0_HOTPLUG) { - if (!work_pending(&dev_priv->hpd_work)) - queue_work(dev_priv->wq, &dev_priv->hpd_work); + uint32_t hpd0_bits, hpd1_bits = 0; + + hpd0_bits = nv_rd32(dev, 0xe054); + nv_wr32(dev, 0xe054, hpd0_bits); + + if (dev_priv->chipset >= 0x90) { + hpd1_bits = nv_rd32(dev, 0xe074); + nv_wr32(dev, 0xe074, hpd1_bits); + } + + spin_lock(&dev_priv->hpd_state.lock); + dev_priv->hpd_state.hpd0_bits |= hpd0_bits; + dev_priv->hpd_state.hpd1_bits |= hpd1_bits; + spin_unlock(&dev_priv->hpd_state.lock); + + queue_work(dev_priv->wq, &dev_priv->hpd_work); } while (nv_rd32(dev, NV50_PMC_INTR_0) & NV50_PMC_INTR_0_DISPLAY) { diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c b/drivers/gpu/drm/nouveau/nv50_fifo.c index a46a961102f..1da65bd60c1 100644 --- a/drivers/gpu/drm/nouveau/nv50_fifo.c +++ b/drivers/gpu/drm/nouveau/nv50_fifo.c @@ -464,3 +464,8 @@ nv50_fifo_unload_context(struct drm_device *dev) return 0; } +void +nv50_fifo_tlb_flush(struct drm_device *dev) +{ + nv50_vm_flush(dev, 5); +} diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c index cbf5ae2f67d..8b669d0af61 100644 --- a/drivers/gpu/drm/nouveau/nv50_graph.c +++ b/drivers/gpu/drm/nouveau/nv50_graph.c @@ -402,3 +402,55 @@ struct nouveau_pgraph_object_class nv50_graph_grclass[] = { { 0x8597, false, NULL }, /* tesla (nva3, nva5, nva8) */ {} }; + +void +nv50_graph_tlb_flush(struct drm_device *dev) +{ + nv50_vm_flush(dev, 0); +} + +void +nv86_graph_tlb_flush(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer; + bool idle, timeout = false; + unsigned long flags; + u64 start; + u32 tmp; + + spin_lock_irqsave(&dev_priv->context_switch_lock, flags); + nv_mask(dev, 0x400500, 0x00000001, 0x00000000); + + start = ptimer->read(dev); + do { + idle = true; + + for (tmp = nv_rd32(dev, 0x400380); tmp && idle; tmp >>= 3) { + if ((tmp & 7) == 1) + idle = false; + } + + for (tmp = nv_rd32(dev, 0x400384); tmp && idle; tmp >>= 3) { + if ((tmp & 7) == 1) + idle = false; + } + + for (tmp = nv_rd32(dev, 0x400388); tmp && idle; tmp >>= 3) { + if ((tmp & 7) == 1) + idle = false; + } + } while (!idle && !(timeout = ptimer->read(dev) - start > 2000000000)); + + if (timeout) { + NV_ERROR(dev, "PGRAPH TLB flush idle timeout fail: " + "0x%08x 0x%08x 0x%08x 0x%08x\n", + nv_rd32(dev, 0x400700), nv_rd32(dev, 0x400380), + nv_rd32(dev, 0x400384), nv_rd32(dev, 0x400388)); + } + + nv50_vm_flush(dev, 0); + + nv_mask(dev, 0x400500, 0x00000001, 0x00000001); + spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); +} diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c index a53fc974332..b773229b764 100644 --- a/drivers/gpu/drm/nouveau/nv50_instmem.c +++ b/drivers/gpu/drm/nouveau/nv50_instmem.c @@ -402,7 +402,6 @@ nv50_instmem_bind(struct drm_device *dev, struct nouveau_gpuobj *gpuobj) } dev_priv->engine.instmem.flush(dev); - nv50_vm_flush(dev, 4); nv50_vm_flush(dev, 6); gpuobj->im_bound = 1; diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index f12a5b3ec05..4dc5b4714c5 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1650,7 +1650,36 @@ static void evergreen_gpu_init(struct radeon_device *rdev) } } - rdev->config.evergreen.tile_config = gb_addr_config; + /* setup tiling info dword. gb_addr_config is not adequate since it does + * not have bank info, so create a custom tiling dword. + * bits 3:0 num_pipes + * bits 7:4 num_banks + * bits 11:8 group_size + * bits 15:12 row_size + */ + rdev->config.evergreen.tile_config = 0; + switch (rdev->config.evergreen.max_tile_pipes) { + case 1: + default: + rdev->config.evergreen.tile_config |= (0 << 0); + break; + case 2: + rdev->config.evergreen.tile_config |= (1 << 0); + break; + case 4: + rdev->config.evergreen.tile_config |= (2 << 0); + break; + case 8: + rdev->config.evergreen.tile_config |= (3 << 0); + break; + } + rdev->config.evergreen.tile_config |= + ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4; + rdev->config.evergreen.tile_config |= + ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) << 8; + rdev->config.evergreen.tile_config |= + ((gb_addr_config & 0x30000000) >> 28) << 12; + WREG32(GB_BACKEND_MAP, gb_backend_map); WREG32(GB_ADDR_CONFIG, gb_addr_config); WREG32(DMIF_ADDR_CONFIG, gb_addr_config); @@ -2033,7 +2062,7 @@ int evergreen_irq_set(struct radeon_device *rdev) u32 grbm_int_cntl = 0; if (!rdev->irq.installed) { - WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n"); + WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); return -EINVAL; } /* don't enable anything if the ih is disabled */ @@ -2295,6 +2324,7 @@ restart_ih: case 0: /* D1 vblank */ if (disp_int & LB_D1_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 0); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int &= ~LB_D1_VBLANK_INTERRUPT; DRM_DEBUG("IH: D1 vblank\n"); @@ -2316,6 +2346,7 @@ restart_ih: case 0: /* D2 vblank */ if (disp_int_cont & LB_D2_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 1); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; DRM_DEBUG("IH: D2 vblank\n"); @@ -2337,6 +2368,7 @@ restart_ih: case 0: /* D3 vblank */ if (disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 2); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; DRM_DEBUG("IH: D3 vblank\n"); @@ -2358,6 +2390,7 @@ restart_ih: case 0: /* D4 vblank */ if (disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 3); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; DRM_DEBUG("IH: D4 vblank\n"); @@ -2379,6 +2412,7 @@ restart_ih: case 0: /* D5 vblank */ if (disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 4); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; DRM_DEBUG("IH: D5 vblank\n"); @@ -2400,6 +2434,7 @@ restart_ih: case 0: /* D6 vblank */ if (disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 5); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; DRM_DEBUG("IH: D6 vblank\n"); diff --git a/drivers/gpu/drm/radeon/evergreen_blit_kms.c b/drivers/gpu/drm/radeon/evergreen_blit_kms.c index ac3b6dde23d..e0e590110dd 100644 --- a/drivers/gpu/drm/radeon/evergreen_blit_kms.c +++ b/drivers/gpu/drm/radeon/evergreen_blit_kms.c @@ -459,7 +459,7 @@ int evergreen_blit_init(struct radeon_device *rdev) obj_size += evergreen_ps_size * 4; obj_size = ALIGN(obj_size, 256); - r = radeon_bo_create(rdev, NULL, obj_size, true, RADEON_GEM_DOMAIN_VRAM, + r = radeon_bo_create(rdev, NULL, obj_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, &rdev->r600_blit.shader_obj); if (r) { DRM_ERROR("evergreen failed to allocate shader\n"); diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 0e8f28a6892..8e10aa9f74b 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -442,7 +442,7 @@ int r100_pci_gart_init(struct radeon_device *rdev) int r; if (rdev->gart.table.ram.ptr) { - WARN(1, "R100 PCI GART already initialized.\n"); + WARN(1, "R100 PCI GART already initialized\n"); return 0; } /* Initialize common gart structure */ @@ -516,7 +516,7 @@ int r100_irq_set(struct radeon_device *rdev) uint32_t tmp = 0; if (!rdev->irq.installed) { - WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n"); + WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); WREG32(R_000040_GEN_INT_CNTL, 0); return -EINVAL; } diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index 34527e600fe..cde1d3480d9 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -91,7 +91,7 @@ int rv370_pcie_gart_init(struct radeon_device *rdev) int r; if (rdev->gart.table.vram.robj) { - WARN(1, "RV370 PCIE GART already initialized.\n"); + WARN(1, "RV370 PCIE GART already initialized\n"); return 0; } /* Initialize common gart structure */ diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 33952a12f0a..a3552594ccc 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -97,14 +97,8 @@ u32 rv6xx_get_temp(struct radeon_device *rdev) { u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >> ASIC_T_SHIFT; - u32 actual_temp = 0; - if ((temp >> 7) & 1) - actual_temp = 0; - else - actual_temp = (temp >> 1) & 0xff; - - return actual_temp * 1000; + return temp * 1000; } void r600_pm_get_dynpm_state(struct radeon_device *rdev) @@ -919,7 +913,7 @@ int r600_pcie_gart_init(struct radeon_device *rdev) int r; if (rdev->gart.table.vram.robj) { - WARN(1, "R600 PCIE GART already initialized.\n"); + WARN(1, "R600 PCIE GART already initialized\n"); return 0; } /* Initialize common gart structure */ @@ -2724,7 +2718,7 @@ static int r600_ih_ring_alloc(struct radeon_device *rdev) /* Allocate ring buffer */ if (rdev->ih.ring_obj == NULL) { r = radeon_bo_create(rdev, NULL, rdev->ih.ring_size, - true, + PAGE_SIZE, true, RADEON_GEM_DOMAIN_GTT, &rdev->ih.ring_obj); if (r) { @@ -2995,7 +2989,7 @@ int r600_irq_set(struct radeon_device *rdev) u32 hdmi1, hdmi2; if (!rdev->irq.installed) { - WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n"); + WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); return -EINVAL; } /* don't enable anything if the ih is disabled */ diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c index 8362974ef41..86e5aa07f0d 100644 --- a/drivers/gpu/drm/radeon/r600_blit_kms.c +++ b/drivers/gpu/drm/radeon/r600_blit_kms.c @@ -501,7 +501,7 @@ int r600_blit_init(struct radeon_device *rdev) obj_size += r6xx_ps_size * 4; obj_size = ALIGN(obj_size, 256); - r = radeon_bo_create(rdev, NULL, obj_size, true, RADEON_GEM_DOMAIN_VRAM, + r = radeon_bo_create(rdev, NULL, obj_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, &rdev->r600_blit.shader_obj); if (r) { DRM_ERROR("r600 failed to allocate shader\n"); diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index 37cc2aa9f92..9bebac1ec00 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -50,6 +50,7 @@ struct r600_cs_track { u32 nsamples; u32 cb_color_base_last[8]; struct radeon_bo *cb_color_bo[8]; + u64 cb_color_bo_mc[8]; u32 cb_color_bo_offset[8]; struct radeon_bo *cb_color_frag_bo[8]; struct radeon_bo *cb_color_tile_bo[8]; @@ -67,6 +68,7 @@ struct r600_cs_track { u32 db_depth_size; u32 db_offset; struct radeon_bo *db_bo; + u64 db_bo_mc; }; static inline int r600_bpe_from_format(u32 *bpe, u32 format) @@ -140,6 +142,68 @@ static inline int r600_bpe_from_format(u32 *bpe, u32 format) return 0; } +struct array_mode_checker { + int array_mode; + u32 group_size; + u32 nbanks; + u32 npipes; + u32 nsamples; + u32 bpe; +}; + +/* returns alignment in pixels for pitch/height/depth and bytes for base */ +static inline int r600_get_array_mode_alignment(struct array_mode_checker *values, + u32 *pitch_align, + u32 *height_align, + u32 *depth_align, + u64 *base_align) +{ + u32 tile_width = 8; + u32 tile_height = 8; + u32 macro_tile_width = values->nbanks; + u32 macro_tile_height = values->npipes; + u32 tile_bytes = tile_width * tile_height * values->bpe * values->nsamples; + u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes; + + switch (values->array_mode) { + case ARRAY_LINEAR_GENERAL: + /* technically tile_width/_height for pitch/height */ + *pitch_align = 1; /* tile_width */ + *height_align = 1; /* tile_height */ + *depth_align = 1; + *base_align = 1; + break; + case ARRAY_LINEAR_ALIGNED: + *pitch_align = max((u32)64, (u32)(values->group_size / values->bpe)); + *height_align = tile_height; + *depth_align = 1; + *base_align = values->group_size; + break; + case ARRAY_1D_TILED_THIN1: + *pitch_align = max((u32)tile_width, + (u32)(values->group_size / + (tile_height * values->bpe * values->nsamples))); + *height_align = tile_height; + *depth_align = 1; + *base_align = values->group_size; + break; + case ARRAY_2D_TILED_THIN1: + *pitch_align = max((u32)macro_tile_width, + (u32)(((values->group_size / tile_height) / + (values->bpe * values->nsamples)) * + values->nbanks)) * tile_width; + *height_align = macro_tile_height * tile_height; + *depth_align = 1; + *base_align = max(macro_tile_bytes, + (*pitch_align) * values->bpe * (*height_align) * values->nsamples); + break; + default: + return -EINVAL; + } + + return 0; +} + static void r600_cs_track_init(struct r600_cs_track *track) { int i; @@ -153,10 +217,12 @@ static void r600_cs_track_init(struct r600_cs_track *track) track->cb_color_info[i] = 0; track->cb_color_bo[i] = NULL; track->cb_color_bo_offset[i] = 0xFFFFFFFF; + track->cb_color_bo_mc[i] = 0xFFFFFFFF; } track->cb_target_mask = 0xFFFFFFFF; track->cb_shader_mask = 0xFFFFFFFF; track->db_bo = NULL; + track->db_bo_mc = 0xFFFFFFFF; /* assume the biggest format and that htile is enabled */ track->db_depth_info = 7 | (1 << 25); track->db_depth_view = 0xFFFFC000; @@ -168,7 +234,10 @@ static void r600_cs_track_init(struct r600_cs_track *track) static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) { struct r600_cs_track *track = p->track; - u32 bpe = 0, pitch, slice_tile_max, size, tmp, height, pitch_align; + u32 bpe = 0, slice_tile_max, size, tmp; + u32 height, height_align, pitch, pitch_align, depth_align; + u64 base_offset, base_align; + struct array_mode_checker array_check; volatile u32 *ib = p->ib->ptr; unsigned array_mode; @@ -183,60 +252,40 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) i, track->cb_color_info[i]); return -EINVAL; } - /* pitch is the number of 8x8 tiles per row */ - pitch = G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1; + /* pitch in pixels */ + pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8; slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1; slice_tile_max *= 64; - height = slice_tile_max / (pitch * 8); + height = slice_tile_max / pitch; if (height > 8192) height = 8192; array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]); + + base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i]; + array_check.array_mode = array_mode; + array_check.group_size = track->group_size; + array_check.nbanks = track->nbanks; + array_check.npipes = track->npipes; + array_check.nsamples = track->nsamples; + array_check.bpe = bpe; + if (r600_get_array_mode_alignment(&array_check, + &pitch_align, &height_align, &depth_align, &base_align)) { + dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__, + G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i, + track->cb_color_info[i]); + return -EINVAL; + } switch (array_mode) { case V_0280A0_ARRAY_LINEAR_GENERAL: - /* technically height & 0x7 */ break; case V_0280A0_ARRAY_LINEAR_ALIGNED: - pitch_align = max((u32)64, (u32)(track->group_size / bpe)) / 8; - if (!IS_ALIGNED(pitch, pitch_align)) { - dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n", - __func__, __LINE__, pitch); - return -EINVAL; - } - if (!IS_ALIGNED(height, 8)) { - dev_warn(p->dev, "%s:%d cb height (%d) invalid\n", - __func__, __LINE__, height); - return -EINVAL; - } break; case V_0280A0_ARRAY_1D_TILED_THIN1: - pitch_align = max((u32)8, (u32)(track->group_size / (8 * bpe * track->nsamples))) / 8; - if (!IS_ALIGNED(pitch, pitch_align)) { - dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n", - __func__, __LINE__, pitch); - return -EINVAL; - } /* avoid breaking userspace */ if (height > 7) height &= ~0x7; - if (!IS_ALIGNED(height, 8)) { - dev_warn(p->dev, "%s:%d cb height (%d) invalid\n", - __func__, __LINE__, height); - return -EINVAL; - } break; case V_0280A0_ARRAY_2D_TILED_THIN1: - pitch_align = max((u32)track->nbanks, - (u32)(((track->group_size / 8) / (bpe * track->nsamples)) * track->nbanks)) / 8; - if (!IS_ALIGNED(pitch, pitch_align)) { - dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n", - __func__, __LINE__, pitch); - return -EINVAL; - } - if (!IS_ALIGNED((height / 8), track->npipes)) { - dev_warn(p->dev, "%s:%d cb height (%d) invalid\n", - __func__, __LINE__, height); - return -EINVAL; - } break; default: dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__, @@ -244,13 +293,29 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) track->cb_color_info[i]); return -EINVAL; } + + if (!IS_ALIGNED(pitch, pitch_align)) { + dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n", + __func__, __LINE__, pitch); + return -EINVAL; + } + if (!IS_ALIGNED(height, height_align)) { + dev_warn(p->dev, "%s:%d cb height (%d) invalid\n", + __func__, __LINE__, height); + return -EINVAL; + } + if (!IS_ALIGNED(base_offset, base_align)) { + dev_warn(p->dev, "%s offset[%d] 0x%llx not aligned\n", __func__, i, base_offset); + return -EINVAL; + } + /* check offset */ - tmp = height * pitch * 8 * bpe; + tmp = height * pitch * bpe; if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) { if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) { /* the initial DDX does bad things with the CB size occasionally */ /* it rounds up height too far for slice tile max but the BO is smaller */ - tmp = (height - 7) * 8 * bpe; + tmp = (height - 7) * pitch * bpe; if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) { dev_warn(p->dev, "%s offset[%d] %d %d %lu too big\n", __func__, i, track->cb_color_bo_offset[i], tmp, radeon_bo_size(track->cb_color_bo[i])); return -EINVAL; @@ -260,15 +325,11 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) return -EINVAL; } } - if (!IS_ALIGNED(track->cb_color_bo_offset[i], track->group_size)) { - dev_warn(p->dev, "%s offset[%d] %d not aligned\n", __func__, i, track->cb_color_bo_offset[i]); - return -EINVAL; - } /* limit max tile */ - tmp = (height * pitch * 8) >> 6; + tmp = (height * pitch) >> 6; if (tmp < slice_tile_max) slice_tile_max = tmp; - tmp = S_028060_PITCH_TILE_MAX(pitch - 1) | + tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) | S_028060_SLICE_TILE_MAX(slice_tile_max - 1); ib[track->cb_color_size_idx[i]] = tmp; return 0; @@ -310,7 +371,12 @@ static int r600_cs_track_check(struct radeon_cs_parser *p) /* Check depth buffer */ if (G_028800_STENCIL_ENABLE(track->db_depth_control) || G_028800_Z_ENABLE(track->db_depth_control)) { - u32 nviews, bpe, ntiles, pitch, pitch_align, height, size, slice_tile_max; + u32 nviews, bpe, ntiles, size, slice_tile_max; + u32 height, height_align, pitch, pitch_align, depth_align; + u64 base_offset, base_align; + struct array_mode_checker array_check; + int array_mode; + if (track->db_bo == NULL) { dev_warn(p->dev, "z/stencil with no depth buffer\n"); return -EINVAL; @@ -353,41 +419,34 @@ static int r600_cs_track_check(struct radeon_cs_parser *p) ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF); } else { size = radeon_bo_size(track->db_bo); - pitch = G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1; + /* pitch in pixels */ + pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8; slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1; slice_tile_max *= 64; - height = slice_tile_max / (pitch * 8); + height = slice_tile_max / pitch; if (height > 8192) height = 8192; - switch (G_028010_ARRAY_MODE(track->db_depth_info)) { + base_offset = track->db_bo_mc + track->db_offset; + array_mode = G_028010_ARRAY_MODE(track->db_depth_info); + array_check.array_mode = array_mode; + array_check.group_size = track->group_size; + array_check.nbanks = track->nbanks; + array_check.npipes = track->npipes; + array_check.nsamples = track->nsamples; + array_check.bpe = bpe; + if (r600_get_array_mode_alignment(&array_check, + &pitch_align, &height_align, &depth_align, &base_align)) { + dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__, + G_028010_ARRAY_MODE(track->db_depth_info), + track->db_depth_info); + return -EINVAL; + } + switch (array_mode) { case V_028010_ARRAY_1D_TILED_THIN1: - pitch_align = (max((u32)8, (u32)(track->group_size / (8 * bpe))) / 8); - if (!IS_ALIGNED(pitch, pitch_align)) { - dev_warn(p->dev, "%s:%d db pitch (%d) invalid\n", - __func__, __LINE__, pitch); - return -EINVAL; - } /* don't break userspace */ height &= ~0x7; - if (!IS_ALIGNED(height, 8)) { - dev_warn(p->dev, "%s:%d db height (%d) invalid\n", - __func__, __LINE__, height); - return -EINVAL; - } break; case V_028010_ARRAY_2D_TILED_THIN1: - pitch_align = max((u32)track->nbanks, - (u32)(((track->group_size / 8) / bpe) * track->nbanks)) / 8; - if (!IS_ALIGNED(pitch, pitch_align)) { - dev_warn(p->dev, "%s:%d db pitch (%d) invalid\n", - __func__, __LINE__, pitch); - return -EINVAL; - } - if (!IS_ALIGNED((height / 8), track->npipes)) { - dev_warn(p->dev, "%s:%d db height (%d) invalid\n", - __func__, __LINE__, height); - return -EINVAL; - } break; default: dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__, @@ -395,15 +454,27 @@ static int r600_cs_track_check(struct radeon_cs_parser *p) track->db_depth_info); return -EINVAL; } - if (!IS_ALIGNED(track->db_offset, track->group_size)) { - dev_warn(p->dev, "%s offset[%d] %d not aligned\n", __func__, i, track->db_offset); + + if (!IS_ALIGNED(pitch, pitch_align)) { + dev_warn(p->dev, "%s:%d db pitch (%d) invalid\n", + __func__, __LINE__, pitch); + return -EINVAL; + } + if (!IS_ALIGNED(height, height_align)) { + dev_warn(p->dev, "%s:%d db height (%d) invalid\n", + __func__, __LINE__, height); return -EINVAL; } + if (!IS_ALIGNED(base_offset, base_align)) { + dev_warn(p->dev, "%s offset[%d] 0x%llx not aligned\n", __func__, i, base_offset); + return -EINVAL; + } + ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1; nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1; tmp = ntiles * bpe * 64 * nviews; if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) { - dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %d -> %d have %ld)\n", + dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %d -> %u have %lu)\n", track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset, radeon_bo_size(track->db_bo)); return -EINVAL; @@ -954,6 +1025,7 @@ static inline int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); track->cb_color_base_last[tmp] = ib[idx]; track->cb_color_bo[tmp] = reloc->robj; + track->cb_color_bo_mc[tmp] = reloc->lobj.gpu_offset; break; case DB_DEPTH_BASE: r = r600_cs_packet_next_reloc(p, &reloc); @@ -965,6 +1037,7 @@ static inline int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx track->db_offset = radeon_get_ib_value(p, idx) << 8; ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); track->db_bo = reloc->robj; + track->db_bo_mc = reloc->lobj.gpu_offset; break; case DB_HTILE_DATA_BASE: case SQ_PGM_START_FS: @@ -1086,16 +1159,25 @@ static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned nlevels static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 idx, struct radeon_bo *texture, struct radeon_bo *mipmap, + u64 base_offset, + u64 mip_offset, u32 tiling_flags) { struct r600_cs_track *track = p->track; u32 nfaces, nlevels, blevel, w0, h0, d0, bpe = 0; - u32 word0, word1, l0_size, mipmap_size, pitch, pitch_align; + u32 word0, word1, l0_size, mipmap_size; + u32 height_align, pitch, pitch_align, depth_align; + u64 base_align; + struct array_mode_checker array_check; /* on legacy kernel we don't perform advanced check */ if (p->rdev == NULL) return 0; + /* convert to bytes */ + base_offset <<= 8; + mip_offset <<= 8; + word0 = radeon_get_ib_value(p, idx + 0); if (tiling_flags & RADEON_TILING_MACRO) word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1); @@ -1128,46 +1210,38 @@ static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 i return -EINVAL; } - pitch = G_038000_PITCH(word0) + 1; - switch (G_038000_TILE_MODE(word0)) { - case V_038000_ARRAY_LINEAR_GENERAL: - pitch_align = 1; - /* XXX check height align */ - break; - case V_038000_ARRAY_LINEAR_ALIGNED: - pitch_align = max((u32)64, (u32)(track->group_size / bpe)) / 8; - if (!IS_ALIGNED(pitch, pitch_align)) { - dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n", - __func__, __LINE__, pitch); - return -EINVAL; - } - /* XXX check height align */ - break; - case V_038000_ARRAY_1D_TILED_THIN1: - pitch_align = max((u32)8, (u32)(track->group_size / (8 * bpe))) / 8; - if (!IS_ALIGNED(pitch, pitch_align)) { - dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n", - __func__, __LINE__, pitch); - return -EINVAL; - } - /* XXX check height align */ - break; - case V_038000_ARRAY_2D_TILED_THIN1: - pitch_align = max((u32)track->nbanks, - (u32)(((track->group_size / 8) / bpe) * track->nbanks)) / 8; - if (!IS_ALIGNED(pitch, pitch_align)) { - dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n", - __func__, __LINE__, pitch); - return -EINVAL; - } - /* XXX check height align */ - break; - default: - dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__, - G_038000_TILE_MODE(word0), word0); + /* pitch in texels */ + pitch = (G_038000_PITCH(word0) + 1) * 8; + array_check.array_mode = G_038000_TILE_MODE(word0); + array_check.group_size = track->group_size; + array_check.nbanks = track->nbanks; + array_check.npipes = track->npipes; + array_check.nsamples = 1; + array_check.bpe = bpe; + if (r600_get_array_mode_alignment(&array_check, + &pitch_align, &height_align, &depth_align, &base_align)) { + dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n", + __func__, __LINE__, G_038000_TILE_MODE(word0)); + return -EINVAL; + } + + /* XXX check height as well... */ + + if (!IS_ALIGNED(pitch, pitch_align)) { + dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n", + __func__, __LINE__, pitch); + return -EINVAL; + } + if (!IS_ALIGNED(base_offset, base_align)) { + dev_warn(p->dev, "%s:%d tex base offset (0x%llx) invalid\n", + __func__, __LINE__, base_offset); + return -EINVAL; + } + if (!IS_ALIGNED(mip_offset, base_align)) { + dev_warn(p->dev, "%s:%d tex mip offset (0x%llx) invalid\n", + __func__, __LINE__, mip_offset); return -EINVAL; } - /* XXX check offset align */ word0 = radeon_get_ib_value(p, idx + 4); word1 = radeon_get_ib_value(p, idx + 5); @@ -1402,7 +1476,10 @@ static int r600_packet3_check(struct radeon_cs_parser *p, mip_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); mipmap = reloc->robj; r = r600_check_texture_resource(p, idx+(i*7)+1, - texture, mipmap, reloc->lobj.tiling_flags); + texture, mipmap, + base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2), + mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3), + reloc->lobj.tiling_flags); if (r) return r; ib[idx+1+(i*7)+2] += base_offset; diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index 966a793e225..bff4dc4f410 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -51,6 +51,12 @@ #define PTE_READABLE (1 << 5) #define PTE_WRITEABLE (1 << 6) +/* tiling bits */ +#define ARRAY_LINEAR_GENERAL 0x00000000 +#define ARRAY_LINEAR_ALIGNED 0x00000001 +#define ARRAY_1D_TILED_THIN1 0x00000002 +#define ARRAY_2D_TILED_THIN1 0x00000004 + /* Registers */ #define ARB_POP 0x2418 #define ENABLE_TC128 (1 << 30) diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 73f600d39ad..3a7095743d4 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1262,6 +1262,10 @@ void r100_pll_errata_after_index(struct radeon_device *rdev); (rdev->family == CHIP_RS400) || \ (rdev->family == CHIP_RS480)) #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600)) +#define ASIC_IS_DCE2(rdev) ((rdev->family == CHIP_RS600) || \ + (rdev->family == CHIP_RS690) || \ + (rdev->family == CHIP_RS740) || \ + (rdev->family >= CHIP_R600)) #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620)) #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730)) #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR)) diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 04cac7ec903..87ead090c7d 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -526,8 +526,6 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) if (crev < 2) return false; - router.valid = false; - obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset); path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *) (ctx->bios + data_offset + @@ -624,6 +622,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) if (connector_type == DRM_MODE_CONNECTOR_Unknown) continue; + router.ddc_valid = false; + router.cd_valid = false; for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) { uint8_t grph_obj_id, grph_obj_num, grph_obj_type; @@ -647,9 +647,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) usDeviceTag)); } else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) { - router.valid = false; for (k = 0; k < router_obj->ucNumberOfObjects; k++) { - u16 router_obj_id = le16_to_cpu(router_obj->asObjects[j].usObjectID); + u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID); if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) { ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *) (ctx->bios + data_offset + @@ -657,6 +656,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) ATOM_I2C_RECORD *i2c_record; ATOM_I2C_ID_CONFIG_ACCESS *i2c_config; ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path; + ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path; ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table = (ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *) (ctx->bios + data_offset + @@ -690,10 +690,18 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE: ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *) record; - router.valid = true; - router.mux_type = ddc_path->ucMuxType; - router.mux_control_pin = ddc_path->ucMuxControlPin; - router.mux_state = ddc_path->ucMuxState[enum_id]; + router.ddc_valid = true; + router.ddc_mux_type = ddc_path->ucMuxType; + router.ddc_mux_control_pin = ddc_path->ucMuxControlPin; + router.ddc_mux_state = ddc_path->ucMuxState[enum_id]; + break; + case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE: + cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *) + record; + router.cd_valid = true; + router.cd_mux_type = cd_path->ucMuxType; + router.cd_mux_control_pin = cd_path->ucMuxControlPin; + router.cd_mux_state = cd_path->ucMuxState[enum_id]; break; } record = (ATOM_COMMON_RECORD_HEADER *) @@ -860,7 +868,8 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct size_t bc_size = sizeof(*bios_connectors) * ATOM_MAX_SUPPORTED_DEVICE; struct radeon_router router; - router.valid = false; + router.ddc_valid = false; + router.cd_valid = false; bios_connectors = kzalloc(bc_size, GFP_KERNEL); if (!bios_connectors) diff --git a/drivers/gpu/drm/radeon/radeon_benchmark.c b/drivers/gpu/drm/radeon/radeon_benchmark.c index 7932dc4d6b9..c558685cc63 100644 --- a/drivers/gpu/drm/radeon/radeon_benchmark.c +++ b/drivers/gpu/drm/radeon/radeon_benchmark.c @@ -41,7 +41,7 @@ void radeon_benchmark_move(struct radeon_device *rdev, unsigned bsize, size = bsize; n = 1024; - r = radeon_bo_create(rdev, NULL, size, true, sdomain, &sobj); + r = radeon_bo_create(rdev, NULL, size, PAGE_SIZE, true, sdomain, &sobj); if (r) { goto out_cleanup; } @@ -53,7 +53,7 @@ void radeon_benchmark_move(struct radeon_device *rdev, unsigned bsize, if (r) { goto out_cleanup; } - r = radeon_bo_create(rdev, NULL, size, true, ddomain, &dobj); + r = radeon_bo_create(rdev, NULL, size, PAGE_SIZE, true, ddomain, &dobj); if (r) { goto out_cleanup; } diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 7b7ea269549..3bddea5b529 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -571,6 +571,7 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde } if (clk_mask && data_mask) { + /* system specific masks */ i2c.mask_clk_mask = clk_mask; i2c.mask_data_mask = data_mask; i2c.a_clk_mask = clk_mask; @@ -579,7 +580,19 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde i2c.en_data_mask = data_mask; i2c.y_clk_mask = clk_mask; i2c.y_data_mask = data_mask; + } else if ((ddc_line == RADEON_GPIOPAD_MASK) || + (ddc_line == RADEON_MDGPIO_MASK)) { + /* default gpiopad masks */ + i2c.mask_clk_mask = (0x20 << 8); + i2c.mask_data_mask = 0x80; + i2c.a_clk_mask = (0x20 << 8); + i2c.a_data_mask = 0x80; + i2c.en_clk_mask = (0x20 << 8); + i2c.en_data_mask = 0x80; + i2c.y_clk_mask = (0x20 << 8); + i2c.y_data_mask = 0x80; } else { + /* default masks for ddc pads */ i2c.mask_clk_mask = RADEON_GPIO_EN_1; i2c.mask_data_mask = RADEON_GPIO_EN_0; i2c.a_clk_mask = RADEON_GPIO_A_1; diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 4dac4b0a02e..3bef9f6d66f 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -183,13 +183,13 @@ radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, continue; if (priority == true) { - DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict)); - DRM_INFO("in favor of %s\n", drm_get_connector_name(connector)); + DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict)); + DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector)); conflict->status = connector_status_disconnected; radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); } else { - DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector)); - DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict)); + DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector)); + DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict)); current_status = connector_status_disconnected; } break; @@ -432,13 +432,13 @@ static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, mode->vdisplay == native_mode->vdisplay) { *native_mode = *mode; drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); - DRM_INFO("Determined LVDS native mode details from EDID\n"); + DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); break; } } } if (!native_mode->clock) { - DRM_INFO("No LVDS native mode details, disabling RMX\n"); + DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); radeon_encoder->rmx_type = RMX_OFF; } } @@ -1008,9 +1008,21 @@ static void radeon_dp_connector_destroy(struct drm_connector *connector) static int radeon_dp_get_modes(struct drm_connector *connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); + struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; int ret; + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { + if (!radeon_dig_connector->edp_on) + atombios_set_edp_panel_power(connector, + ATOM_TRANSMITTER_ACTION_POWER_ON); + } ret = radeon_ddc_get_modes(radeon_connector); + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { + if (!radeon_dig_connector->edp_on) + atombios_set_edp_panel_power(connector, + ATOM_TRANSMITTER_ACTION_POWER_OFF); + } + return ret; } @@ -1029,8 +1041,14 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { /* eDP is always DP */ radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; + if (!radeon_dig_connector->edp_on) + atombios_set_edp_panel_power(connector, + ATOM_TRANSMITTER_ACTION_POWER_ON); if (radeon_dp_getdpcd(radeon_connector)) ret = connector_status_connected; + if (!radeon_dig_connector->edp_on) + atombios_set_edp_panel_power(connector, + ATOM_TRANSMITTER_ACTION_POWER_OFF); } else { radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { @@ -1116,7 +1134,7 @@ radeon_add_atom_connector(struct drm_device *dev, radeon_connector->shared_ddc = true; shared_ddc = true; } - if (radeon_connector->router_bus && router->valid && + if (radeon_connector->router_bus && router->ddc_valid && (radeon_connector->router.router_id == router->router_id)) { radeon_connector->shared_ddc = false; shared_ddc = false; @@ -1136,7 +1154,7 @@ radeon_add_atom_connector(struct drm_device *dev, radeon_connector->connector_object_id = connector_object_id; radeon_connector->hpd = *hpd; radeon_connector->router = *router; - if (router->valid) { + if (router->ddc_valid || router->cd_valid) { radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); if (!radeon_connector->router_bus) goto failed; diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 8adfedfe547..d8ac1849180 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -180,7 +180,7 @@ int radeon_wb_init(struct radeon_device *rdev) int r; if (rdev->wb.wb_obj == NULL) { - r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true, + r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true, RADEON_GEM_DOMAIN_GTT, &rdev->wb.wb_obj); if (r) { dev_warn(rdev->dev, "(%d) create WB bo failed\n", r); diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 0383631da69..1df4dc6c063 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -315,10 +315,14 @@ static void radeon_print_display_setup(struct drm_device *dev) radeon_connector->ddc_bus->rec.en_data_reg, radeon_connector->ddc_bus->rec.y_clk_reg, radeon_connector->ddc_bus->rec.y_data_reg); - if (radeon_connector->router_bus) + if (radeon_connector->router.ddc_valid) DRM_INFO(" DDC Router 0x%x/0x%x\n", - radeon_connector->router.mux_control_pin, - radeon_connector->router.mux_state); + radeon_connector->router.ddc_mux_control_pin, + radeon_connector->router.ddc_mux_state); + if (radeon_connector->router.cd_valid) + DRM_INFO(" Clock/Data Router 0x%x/0x%x\n", + radeon_connector->router.cd_mux_control_pin, + radeon_connector->router.cd_mux_state); } else { if (connector->connector_type == DRM_MODE_CONNECTOR_VGA || connector->connector_type == DRM_MODE_CONNECTOR_DVII || @@ -398,8 +402,8 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) int ret = 0; /* on hw with routers, select right port */ - if (radeon_connector->router.valid) - radeon_router_select_port(radeon_connector); + if (radeon_connector->router.ddc_valid) + radeon_router_select_ddc_port(radeon_connector); if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) { @@ -432,8 +436,8 @@ static int radeon_ddc_dump(struct drm_connector *connector) int ret = 0; /* on hw with routers, select right port */ - if (radeon_connector->router.valid) - radeon_router_select_port(radeon_connector); + if (radeon_connector->router.ddc_valid) + radeon_router_select_ddc_port(radeon_connector); if (!radeon_connector->ddc_bus) return -1; diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index ae58b6849a2..041943df966 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -176,6 +176,7 @@ static inline bool radeon_encoder_is_digital(struct drm_encoder *encoder) return false; } } + void radeon_link_encoder_connector(struct drm_device *dev) { @@ -228,6 +229,27 @@ radeon_get_connector_for_encoder(struct drm_encoder *encoder) return NULL; } +struct drm_encoder *radeon_atom_get_external_encoder(struct drm_encoder *encoder) +{ + struct drm_device *dev = encoder->dev; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_encoder *other_encoder; + struct radeon_encoder *other_radeon_encoder; + + if (radeon_encoder->is_ext_encoder) + return NULL; + + list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { + if (other_encoder == encoder) + continue; + other_radeon_encoder = to_radeon_encoder(other_encoder); + if (other_radeon_encoder->is_ext_encoder && + (radeon_encoder->devices & other_radeon_encoder->devices)) + return other_encoder; + } + return NULL; +} + void radeon_panel_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *adjusted_mode) { @@ -426,52 +448,49 @@ atombios_tv_setup(struct drm_encoder *encoder, int action) } -void -atombios_external_tmds_setup(struct drm_encoder *encoder, int action) -{ - struct drm_device *dev = encoder->dev; - struct radeon_device *rdev = dev->dev_private; - struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION args; - int index = 0; - - memset(&args, 0, sizeof(args)); - - index = GetIndexIntoMasterTable(COMMAND, DVOEncoderControl); - - args.sXTmdsEncoder.ucEnable = action; - - if (radeon_encoder->pixel_clock > 165000) - args.sXTmdsEncoder.ucMisc = PANEL_ENCODER_MISC_DUAL; - - /*if (pScrn->rgbBits == 8)*/ - args.sXTmdsEncoder.ucMisc |= (1 << 1); - - atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); - -} +union dvo_encoder_control { + ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION ext_tmds; + DVO_ENCODER_CONTROL_PS_ALLOCATION dvo; + DVO_ENCODER_CONTROL_PS_ALLOCATION_V3 dvo_v3; +}; -static void -atombios_ddia_setup(struct drm_encoder *encoder, int action) +void +atombios_dvo_setup(struct drm_encoder *encoder, int action) { struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - DVO_ENCODER_CONTROL_PS_ALLOCATION args; - int index = 0; + union dvo_encoder_control args; + int index = GetIndexIntoMasterTable(COMMAND, DVOEncoderControl); memset(&args, 0, sizeof(args)); - index = GetIndexIntoMasterTable(COMMAND, DVOEncoderControl); + if (ASIC_IS_DCE3(rdev)) { + /* DCE3+ */ + args.dvo_v3.ucAction = action; + args.dvo_v3.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10); + args.dvo_v3.ucDVOConfig = 0; /* XXX */ + } else if (ASIC_IS_DCE2(rdev)) { + /* DCE2 (pre-DCE3 R6xx, RS600/690/740 */ + args.dvo.sDVOEncoder.ucAction = action; + args.dvo.sDVOEncoder.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10); + /* DFP1, CRT1, TV1 depending on the type of port */ + args.dvo.sDVOEncoder.ucDeviceType = ATOM_DEVICE_DFP1_INDEX; + + if (radeon_encoder->pixel_clock > 165000) + args.dvo.sDVOEncoder.usDevAttr.sDigAttrib.ucAttribute |= PANEL_ENCODER_MISC_DUAL; + } else { + /* R4xx, R5xx */ + args.ext_tmds.sXTmdsEncoder.ucEnable = action; - args.sDVOEncoder.ucAction = action; - args.sDVOEncoder.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10); + if (radeon_encoder->pixel_clock > 165000) + args.ext_tmds.sXTmdsEncoder.ucMisc |= PANEL_ENCODER_MISC_DUAL; - if (radeon_encoder->pixel_clock > 165000) - args.sDVOEncoder.usDevAttr.sDigAttrib.ucAttribute = PANEL_ENCODER_MISC_DUAL; + /*if (pScrn->rgbBits == 8)*/ + args.ext_tmds.sXTmdsEncoder.ucMisc |= ATOM_PANEL_MISC_888RGB; + } atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); - } union lvds_encoder_control { @@ -532,14 +551,14 @@ atombios_digital_setup(struct drm_encoder *encoder, int action) if (dig->lcd_misc & ATOM_PANEL_MISC_DUAL) args.v1.ucMisc |= PANEL_ENCODER_MISC_DUAL; if (dig->lcd_misc & ATOM_PANEL_MISC_888RGB) - args.v1.ucMisc |= (1 << 1); + args.v1.ucMisc |= ATOM_PANEL_MISC_888RGB; } else { if (dig->linkb) args.v1.ucMisc |= PANEL_ENCODER_MISC_TMDS_LINKB; if (radeon_encoder->pixel_clock > 165000) args.v1.ucMisc |= PANEL_ENCODER_MISC_DUAL; /*if (pScrn->rgbBits == 8) */ - args.v1.ucMisc |= (1 << 1); + args.v1.ucMisc |= ATOM_PANEL_MISC_888RGB; } break; case 2: @@ -595,6 +614,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action) int atombios_get_encoder_mode(struct drm_encoder *encoder) { + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; struct drm_connector *connector; @@ -602,9 +622,20 @@ atombios_get_encoder_mode(struct drm_encoder *encoder) struct radeon_connector_atom_dig *dig_connector; connector = radeon_get_connector_for_encoder(encoder); - if (!connector) - return 0; - + if (!connector) { + switch (radeon_encoder->encoder_id) { + case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: + case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: + case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: + case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA: + case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: + return ATOM_ENCODER_MODE_DVI; + case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: + case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2: + default: + return ATOM_ENCODER_MODE_CRT; + } + } radeon_connector = to_radeon_connector(connector); switch (connector->connector_type) { @@ -834,6 +865,9 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t memset(&args, 0, sizeof(args)); switch (radeon_encoder->encoder_id) { + case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: + index = GetIndexIntoMasterTable(COMMAND, DVOOutputControl); + break; case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: @@ -978,6 +1012,105 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); } +void +atombios_set_edp_panel_power(struct drm_connector *connector, int action) +{ + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + struct drm_device *dev = radeon_connector->base.dev; + struct radeon_device *rdev = dev->dev_private; + union dig_transmitter_control args; + int index = GetIndexIntoMasterTable(COMMAND, UNIPHYTransmitterControl); + uint8_t frev, crev; + + if (connector->connector_type != DRM_MODE_CONNECTOR_eDP) + return; + + if (!ASIC_IS_DCE4(rdev)) + return; + + if ((action != ATOM_TRANSMITTER_ACTION_POWER_ON) || + (action != ATOM_TRANSMITTER_ACTION_POWER_OFF)) + return; + + if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev)) + return; + + memset(&args, 0, sizeof(args)); + + args.v1.ucAction = action; + + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); +} + +union external_encoder_control { + EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION v1; +}; + +static void +atombios_external_encoder_setup(struct drm_encoder *encoder, + struct drm_encoder *ext_encoder, + int action) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + union external_encoder_control args; + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); + int index = GetIndexIntoMasterTable(COMMAND, ExternalEncoderControl); + u8 frev, crev; + int dp_clock = 0; + int dp_lane_count = 0; + int connector_object_id = 0; + + if (connector) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + struct radeon_connector_atom_dig *dig_connector = + radeon_connector->con_priv; + + dp_clock = dig_connector->dp_clock; + dp_lane_count = dig_connector->dp_lane_count; + connector_object_id = + (radeon_connector->connector_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; + } + + memset(&args, 0, sizeof(args)); + + if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev)) + return; + + switch (frev) { + case 1: + /* no params on frev 1 */ + break; + case 2: + switch (crev) { + case 1: + case 2: + args.v1.sDigEncoder.ucAction = action; + args.v1.sDigEncoder.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10); + args.v1.sDigEncoder.ucEncoderMode = atombios_get_encoder_mode(encoder); + + if (args.v1.sDigEncoder.ucEncoderMode == ATOM_ENCODER_MODE_DP) { + if (dp_clock == 270000) + args.v1.sDigEncoder.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ; + args.v1.sDigEncoder.ucLaneNum = dp_lane_count; + } else if (radeon_encoder->pixel_clock > 165000) + args.v1.sDigEncoder.ucLaneNum = 8; + else + args.v1.sDigEncoder.ucLaneNum = 4; + break; + default: + DRM_ERROR("Unknown table version: %d, %d\n", frev, crev); + return; + } + break; + default: + DRM_ERROR("Unknown table version: %d, %d\n", frev, crev); + return; + } + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); +} + static void atombios_yuv_setup(struct drm_encoder *encoder, bool enable) { @@ -1021,6 +1154,7 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode) struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_encoder *ext_encoder = radeon_atom_get_external_encoder(encoder); DISPLAY_DEVICE_OUTPUT_CONTROL_PS_ALLOCATION args; int index = 0; bool is_dig = false; @@ -1043,9 +1177,14 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode) break; case ENCODER_OBJECT_ID_INTERNAL_DVO1: case ENCODER_OBJECT_ID_INTERNAL_DDI: - case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: index = GetIndexIntoMasterTable(COMMAND, DVOOutputControl); break; + case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: + if (ASIC_IS_DCE3(rdev)) + is_dig = true; + else + index = GetIndexIntoMasterTable(COMMAND, DVOOutputControl); + break; case ENCODER_OBJECT_ID_INTERNAL_LVDS: index = GetIndexIntoMasterTable(COMMAND, LCD1OutputControl); break; @@ -1082,34 +1221,85 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode) if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP) { struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); + if (connector && + (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + struct radeon_connector_atom_dig *radeon_dig_connector = + radeon_connector->con_priv; + atombios_set_edp_panel_power(connector, + ATOM_TRANSMITTER_ACTION_POWER_ON); + radeon_dig_connector->edp_on = true; + } dp_link_train(encoder, connector); if (ASIC_IS_DCE4(rdev)) atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON); } + if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) + atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0); if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP) { + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); + if (ASIC_IS_DCE4(rdev)) atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF); + if (connector && + (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + struct radeon_connector_atom_dig *radeon_dig_connector = + radeon_connector->con_priv; + atombios_set_edp_panel_power(connector, + ATOM_TRANSMITTER_ACTION_POWER_OFF); + radeon_dig_connector->edp_on = false; + } } + if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) + atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_LCD_BLOFF, 0, 0); break; } } else { switch (mode) { case DRM_MODE_DPMS_ON: args.ucAction = ATOM_ENABLE; + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { + args.ucAction = ATOM_LCD_BLON; + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + } break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: args.ucAction = ATOM_DISABLE; + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { + args.ucAction = ATOM_LCD_BLOFF; + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + } break; } - atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); } + + if (ext_encoder) { + int action; + + switch (mode) { + case DRM_MODE_DPMS_ON: + default: + action = ATOM_ENABLE; + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + action = ATOM_DISABLE; + break; + } + atombios_external_encoder_setup(encoder, ext_encoder, action); + } + radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); } @@ -1242,7 +1432,7 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder) break; default: DRM_ERROR("Unknown table version: %d, %d\n", frev, crev); - break; + return; } atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); @@ -1357,6 +1547,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder, struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_encoder *ext_encoder = radeon_atom_get_external_encoder(encoder); radeon_encoder->pixel_clock = adjusted_mode->clock; @@ -1400,11 +1591,9 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder, } break; case ENCODER_OBJECT_ID_INTERNAL_DDI: - atombios_ddia_setup(encoder, ATOM_ENABLE); - break; case ENCODER_OBJECT_ID_INTERNAL_DVO1: case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: - atombios_external_tmds_setup(encoder, ATOM_ENABLE); + atombios_dvo_setup(encoder, ATOM_ENABLE); break; case ENCODER_OBJECT_ID_INTERNAL_DAC1: case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: @@ -1419,6 +1608,11 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder, } break; } + + if (ext_encoder) { + atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE); + } + atombios_apply_encoder_quirks(encoder, adjusted_mode); if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) { @@ -1520,6 +1714,7 @@ radeon_atom_dac_detect(struct drm_encoder *encoder, struct drm_connector *connec static void radeon_atom_encoder_prepare(struct drm_encoder *encoder) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); if (radeon_encoder->active_device & (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) { @@ -1531,6 +1726,13 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder) radeon_atom_output_lock(encoder, true); radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); + /* select the clock/data port if it uses a router */ + if (connector) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + if (radeon_connector->router.cd_valid) + radeon_router_select_cd_port(radeon_connector); + } + /* this is needed for the pll/ss setup to work correctly in some cases */ atombios_set_encoder_crtc_source(encoder); } @@ -1547,6 +1749,23 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder) struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig; + + /* check for pre-DCE3 cards with shared encoders; + * can't really use the links individually, so don't disable + * the encoder if it's in use by another connector + */ + if (!ASIC_IS_DCE3(rdev)) { + struct drm_encoder *other_encoder; + struct radeon_encoder *other_radeon_encoder; + + list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { + other_radeon_encoder = to_radeon_encoder(other_encoder); + if ((radeon_encoder->encoder_id == other_radeon_encoder->encoder_id) && + drm_helper_encoder_in_use(other_encoder)) + goto disable_done; + } + } + radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); switch (radeon_encoder->encoder_id) { @@ -1570,11 +1789,9 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder) } break; case ENCODER_OBJECT_ID_INTERNAL_DDI: - atombios_ddia_setup(encoder, ATOM_DISABLE); - break; case ENCODER_OBJECT_ID_INTERNAL_DVO1: case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: - atombios_external_tmds_setup(encoder, ATOM_DISABLE); + atombios_dvo_setup(encoder, ATOM_DISABLE); break; case ENCODER_OBJECT_ID_INTERNAL_DAC1: case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1: @@ -1586,6 +1803,7 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder) break; } +disable_done: if (radeon_encoder_is_digital(encoder)) { if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) r600_hdmi_disable(encoder); @@ -1595,6 +1813,53 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder) radeon_encoder->active_device = 0; } +/* these are handled by the primary encoders */ +static void radeon_atom_ext_prepare(struct drm_encoder *encoder) +{ + +} + +static void radeon_atom_ext_commit(struct drm_encoder *encoder) +{ + +} + +static void +radeon_atom_ext_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + +} + +static void radeon_atom_ext_disable(struct drm_encoder *encoder) +{ + +} + +static void +radeon_atom_ext_dpms(struct drm_encoder *encoder, int mode) +{ + +} + +static bool radeon_atom_ext_mode_fixup(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +static const struct drm_encoder_helper_funcs radeon_atom_ext_helper_funcs = { + .dpms = radeon_atom_ext_dpms, + .mode_fixup = radeon_atom_ext_mode_fixup, + .prepare = radeon_atom_ext_prepare, + .mode_set = radeon_atom_ext_mode_set, + .commit = radeon_atom_ext_commit, + .disable = radeon_atom_ext_disable, + /* no detect for TMDS/LVDS yet */ +}; + static const struct drm_encoder_helper_funcs radeon_atom_dig_helper_funcs = { .dpms = radeon_atom_encoder_dpms, .mode_fixup = radeon_atom_mode_fixup, @@ -1704,6 +1969,7 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t radeon_encoder->devices = supported_device; radeon_encoder->rmx_type = RMX_OFF; radeon_encoder->underscan_type = UNDERSCAN_OFF; + radeon_encoder->is_ext_encoder = false; switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_INTERNAL_LVDS: @@ -1745,6 +2011,9 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t radeon_encoder->rmx_type = RMX_FULL; drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_LVDS); radeon_encoder->enc_priv = radeon_atombios_get_lvds_info(radeon_encoder); + } else if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) { + drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_DAC); + radeon_encoder->enc_priv = radeon_atombios_set_dig_info(radeon_encoder); } else { drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_TMDS); radeon_encoder->enc_priv = radeon_atombios_set_dig_info(radeon_encoder); @@ -1753,5 +2022,22 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t } drm_encoder_helper_add(encoder, &radeon_atom_dig_helper_funcs); break; + case ENCODER_OBJECT_ID_SI170B: + case ENCODER_OBJECT_ID_CH7303: + case ENCODER_OBJECT_ID_EXTERNAL_SDVOA: + case ENCODER_OBJECT_ID_EXTERNAL_SDVOB: + case ENCODER_OBJECT_ID_TITFP513: + case ENCODER_OBJECT_ID_VT1623: + case ENCODER_OBJECT_ID_HDMI_SI1930: + /* these are handled by the primary encoders */ + radeon_encoder->is_ext_encoder = true; + if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) + drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_LVDS); + else if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) + drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_DAC); + else + drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_TMDS); + drm_encoder_helper_add(encoder, &radeon_atom_ext_helper_funcs); + break; } } diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index 216392d0353..daacb281dfa 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -240,7 +240,8 @@ retry: */ if (seq == rdev->fence_drv.last_seq && radeon_gpu_is_lockup(rdev)) { /* good news we believe it's a lockup */ - WARN(1, "GPU lockup (waiting for 0x%08X last fence id 0x%08X)\n", fence->seq, seq); + WARN(1, "GPU lockup (waiting for 0x%08X last fence id 0x%08X)\n", + fence->seq, seq); /* FIXME: what should we do ? marking everyone * as signaled for now */ diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index e65b90317fa..65016117d95 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -79,8 +79,8 @@ int radeon_gart_table_vram_alloc(struct radeon_device *rdev) if (rdev->gart.table.vram.robj == NULL) { r = radeon_bo_create(rdev, NULL, rdev->gart.table_size, - true, RADEON_GEM_DOMAIN_VRAM, - &rdev->gart.table.vram.robj); + PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, + &rdev->gart.table.vram.robj); if (r) { return r; } diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index d1e595d9172..df95eb83dac 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -67,7 +67,7 @@ int radeon_gem_object_create(struct radeon_device *rdev, int size, if (alignment < PAGE_SIZE) { alignment = PAGE_SIZE; } - r = radeon_bo_create(rdev, gobj, size, kernel, initial_domain, &robj); + r = radeon_bo_create(rdev, gobj, size, alignment, kernel, initial_domain, &robj); if (r) { if (r != -ERESTARTSYS) DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n", diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c index 6a13ee38a5b..ded2a45bc95 100644 --- a/drivers/gpu/drm/radeon/radeon_i2c.c +++ b/drivers/gpu/drm/radeon/radeon_i2c.c @@ -53,8 +53,8 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector) }; /* on hw with routers, select right port */ - if (radeon_connector->router.valid) - radeon_router_select_port(radeon_connector); + if (radeon_connector->router.ddc_valid) + radeon_router_select_ddc_port(radeon_connector); ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2); if (ret == 2) @@ -896,7 +896,8 @@ struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev, ((rdev->family <= CHIP_RS480) || ((rdev->family >= CHIP_RV515) && (rdev->family <= CHIP_R580))))) { /* set the radeon hw i2c adapter */ - sprintf(i2c->adapter.name, "Radeon i2c hw bus %s", name); + snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), + "Radeon i2c hw bus %s", name); i2c->adapter.algo = &radeon_i2c_algo; ret = i2c_add_adapter(&i2c->adapter); if (ret) { @@ -905,7 +906,8 @@ struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev, } } else { /* set the radeon bit adapter */ - sprintf(i2c->adapter.name, "Radeon i2c bit bus %s", name); + snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), + "Radeon i2c bit bus %s", name); i2c->adapter.algo_data = &i2c->algo.bit; i2c->algo.bit.pre_xfer = pre_xfer; i2c->algo.bit.post_xfer = post_xfer; @@ -946,6 +948,8 @@ struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev, i2c->rec = *rec; i2c->adapter.owner = THIS_MODULE; i2c->dev = dev; + snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), + "Radeon aux bus %s", name); i2c_set_adapdata(&i2c->adapter, i2c); i2c->adapter.algo_data = &i2c->algo.dp; i2c->algo.dp.aux_ch = radeon_dp_i2c_aux_ch; @@ -1084,26 +1088,51 @@ void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c_bus, addr, val); } -/* router switching */ -void radeon_router_select_port(struct radeon_connector *radeon_connector) +/* ddc router switching */ +void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector) { u8 val; - if (!radeon_connector->router.valid) + if (!radeon_connector->router.ddc_valid) return; radeon_i2c_get_byte(radeon_connector->router_bus, radeon_connector->router.i2c_addr, 0x3, &val); - val &= radeon_connector->router.mux_control_pin; + val &= ~radeon_connector->router.ddc_mux_control_pin; radeon_i2c_put_byte(radeon_connector->router_bus, radeon_connector->router.i2c_addr, 0x3, val); radeon_i2c_get_byte(radeon_connector->router_bus, radeon_connector->router.i2c_addr, 0x1, &val); - val &= radeon_connector->router.mux_control_pin; - val |= radeon_connector->router.mux_state; + val &= ~radeon_connector->router.ddc_mux_control_pin; + val |= radeon_connector->router.ddc_mux_state; + radeon_i2c_put_byte(radeon_connector->router_bus, + radeon_connector->router.i2c_addr, + 0x1, val); +} + +/* clock/data router switching */ +void radeon_router_select_cd_port(struct radeon_connector *radeon_connector) +{ + u8 val; + + if (!radeon_connector->router.cd_valid) + return; + + radeon_i2c_get_byte(radeon_connector->router_bus, + radeon_connector->router.i2c_addr, + 0x3, &val); + val &= ~radeon_connector->router.cd_mux_control_pin; + radeon_i2c_put_byte(radeon_connector->router_bus, + radeon_connector->router.i2c_addr, + 0x3, val); + radeon_i2c_get_byte(radeon_connector->router_bus, + radeon_connector->router.i2c_addr, + 0x1, &val); + val &= ~radeon_connector->router.cd_mux_control_pin; + val |= radeon_connector->router.cd_mux_state; radeon_i2c_put_byte(radeon_connector->router_bus, radeon_connector->router.i2c_addr, 0x1, val); diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c index 2f349a30019..465746bd51b 100644 --- a/drivers/gpu/drm/radeon/radeon_irq.c +++ b/drivers/gpu/drm/radeon/radeon_irq.c @@ -76,7 +76,7 @@ int radeon_enable_vblank(struct drm_device *dev, int crtc) default: DRM_ERROR("tried to enable vblank on non-existent crtc %d\n", crtc); - return EINVAL; + return -EINVAL; } } else { switch (crtc) { @@ -89,7 +89,7 @@ int radeon_enable_vblank(struct drm_device *dev, int crtc) default: DRM_ERROR("tried to enable vblank on non-existent crtc %d\n", crtc); - return EINVAL; + return -EINVAL; } } diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index 0b8397000f4..59f834ba283 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -670,7 +670,7 @@ static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder, if (rdev->is_atom_bios) { radeon_encoder->pixel_clock = adjusted_mode->clock; - atombios_external_tmds_setup(encoder, ATOM_ENABLE); + atombios_dvo_setup(encoder, ATOM_ENABLE); fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL); } else { fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL); diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 92457163d07..e301c6f9e05 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -375,6 +375,7 @@ struct radeon_encoder { int hdmi_config_offset; int hdmi_audio_workaround; int hdmi_buffer_status; + bool is_ext_encoder; }; struct radeon_connector_atom_dig { @@ -385,6 +386,7 @@ struct radeon_connector_atom_dig { u8 dp_sink_type; int dp_clock; int dp_lane_count; + bool edp_on; }; struct radeon_gpio_rec { @@ -401,13 +403,19 @@ struct radeon_hpd { }; struct radeon_router { - bool valid; u32 router_id; struct radeon_i2c_bus_rec i2c_info; u8 i2c_addr; - u8 mux_type; - u8 mux_control_pin; - u8 mux_state; + /* i2c mux */ + bool ddc_valid; + u8 ddc_mux_type; + u8 ddc_mux_control_pin; + u8 ddc_mux_state; + /* clock/data mux */ + bool cd_valid; + u8 cd_mux_type; + u8 cd_mux_control_pin; + u8 cd_mux_state; }; struct radeon_connector { @@ -488,7 +496,8 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c, u8 slave_addr, u8 addr, u8 val); -extern void radeon_router_select_port(struct radeon_connector *radeon_connector); +extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector); +extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector); extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector); extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector); @@ -516,9 +525,10 @@ struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv); struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index); struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index); -extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action); +extern void atombios_dvo_setup(struct drm_encoder *encoder, int action); extern void atombios_digital_setup(struct drm_encoder *encoder, int action); extern int atombios_get_encoder_mode(struct drm_encoder *encoder); +extern void atombios_set_edp_panel_power(struct drm_connector *connector, int action); extern void radeon_encoder_set_active_device(struct drm_encoder *encoder); extern void radeon_crtc_load_lut(struct drm_crtc *crtc); diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index d7ab9141641..1d067743fee 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -86,11 +86,12 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) } int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, - unsigned long size, bool kernel, u32 domain, - struct radeon_bo **bo_ptr) + unsigned long size, int byte_align, bool kernel, u32 domain, + struct radeon_bo **bo_ptr) { struct radeon_bo *bo; enum ttm_bo_type type; + int page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT; int r; if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) { @@ -102,6 +103,8 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, type = ttm_bo_type_device; } *bo_ptr = NULL; + +retry: bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL); if (bo == NULL) return -ENOMEM; @@ -109,13 +112,11 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, bo->gobj = gobj; bo->surface_reg = -1; INIT_LIST_HEAD(&bo->list); - -retry: radeon_ttm_placement_from_domain(bo, domain); /* Kernel allocation are uninterruptible */ mutex_lock(&rdev->vram_mutex); r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type, - &bo->placement, 0, 0, !kernel, NULL, size, + &bo->placement, page_align, 0, !kernel, NULL, size, &radeon_ttm_bo_destroy); mutex_unlock(&rdev->vram_mutex); if (unlikely(r != 0)) { diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h index 3481bc7f6f5..d143702b244 100644 --- a/drivers/gpu/drm/radeon/radeon_object.h +++ b/drivers/gpu/drm/radeon/radeon_object.h @@ -137,9 +137,10 @@ static inline int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type, } extern int radeon_bo_create(struct radeon_device *rdev, - struct drm_gem_object *gobj, unsigned long size, - bool kernel, u32 domain, - struct radeon_bo **bo_ptr); + struct drm_gem_object *gobj, unsigned long size, + int byte_align, + bool kernel, u32 domain, + struct radeon_bo **bo_ptr); extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr); extern void radeon_bo_kunmap(struct radeon_bo *bo); extern void radeon_bo_unref(struct radeon_bo **bo); diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 6ea798ce821..06e79822a2b 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -176,8 +176,8 @@ int radeon_ib_pool_init(struct radeon_device *rdev) INIT_LIST_HEAD(&rdev->ib_pool.bogus_ib); /* Allocate 1M object buffer */ r = radeon_bo_create(rdev, NULL, RADEON_IB_POOL_SIZE*64*1024, - true, RADEON_GEM_DOMAIN_GTT, - &rdev->ib_pool.robj); + PAGE_SIZE, true, RADEON_GEM_DOMAIN_GTT, + &rdev->ib_pool.robj); if (r) { DRM_ERROR("radeon: failed to ib pool (%d).\n", r); return r; @@ -332,7 +332,7 @@ int radeon_ring_init(struct radeon_device *rdev, unsigned ring_size) rdev->cp.ring_size = ring_size; /* Allocate ring buffer */ if (rdev->cp.ring_obj == NULL) { - r = radeon_bo_create(rdev, NULL, rdev->cp.ring_size, true, + r = radeon_bo_create(rdev, NULL, rdev->cp.ring_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_GTT, &rdev->cp.ring_obj); if (r) { diff --git a/drivers/gpu/drm/radeon/radeon_test.c b/drivers/gpu/drm/radeon/radeon_test.c index 313c96bc09d..5b44f652145 100644 --- a/drivers/gpu/drm/radeon/radeon_test.c +++ b/drivers/gpu/drm/radeon/radeon_test.c @@ -52,7 +52,7 @@ void radeon_test_moves(struct radeon_device *rdev) goto out_cleanup; } - r = radeon_bo_create(rdev, NULL, size, true, RADEON_GEM_DOMAIN_VRAM, + r = radeon_bo_create(rdev, NULL, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, &vram_obj); if (r) { DRM_ERROR("Failed to create VRAM object\n"); @@ -71,7 +71,7 @@ void radeon_test_moves(struct radeon_device *rdev) void **gtt_start, **gtt_end; void **vram_start, **vram_end; - r = radeon_bo_create(rdev, NULL, size, true, + r = radeon_bo_create(rdev, NULL, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_GTT, gtt_obj + i); if (r) { DRM_ERROR("Failed to create GTT object %d\n", i); diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index fe95bb35317..1272e4b6a1d 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -529,7 +529,7 @@ int radeon_ttm_init(struct radeon_device *rdev) DRM_ERROR("Failed initializing VRAM heap.\n"); return r; } - r = radeon_bo_create(rdev, NULL, 256 * 1024, true, + r = radeon_bo_create(rdev, NULL, 256 * 1024, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, &rdev->stollen_vga_memory); if (r) { @@ -689,7 +689,8 @@ static int radeon_ttm_backend_bind(struct ttm_backend *backend, gtt = container_of(backend, struct radeon_ttm_backend, backend); gtt->offset = bo_mem->start << PAGE_SHIFT; if (!gtt->num_pages) { - WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n", gtt->num_pages, bo_mem, backend); + WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n", + gtt->num_pages, bo_mem, backend); } r = radeon_gart_bind(gtt->rdev, gtt->offset, gtt->num_pages, gtt->pages); diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c index f683e51a2a0..5512e4e5e63 100644 --- a/drivers/gpu/drm/radeon/rs400.c +++ b/drivers/gpu/drm/radeon/rs400.c @@ -78,7 +78,7 @@ int rs400_gart_init(struct radeon_device *rdev) int r; if (rdev->gart.table.ram.ptr) { - WARN(1, "RS400 GART already initialized.\n"); + WARN(1, "RS400 GART already initialized\n"); return 0; } /* Check gart size */ diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index b091a1f6fa4..f1c6e02c2e6 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -375,7 +375,7 @@ int rs600_gart_init(struct radeon_device *rdev) int r; if (rdev->gart.table.vram.robj) { - WARN(1, "RS600 GART already initialized.\n"); + WARN(1, "RS600 GART already initialized\n"); return 0; } /* Initialize common gart structure */ @@ -505,7 +505,7 @@ int rs600_irq_set(struct radeon_device *rdev) ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1); if (!rdev->irq.installed) { - WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n"); + WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); WREG32(R_000040_GEN_INT_CNTL, 0); return -EINVAL; } diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 245374e2b77..4dfead8cee3 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -915,8 +915,8 @@ static int rv770_vram_scratch_init(struct radeon_device *rdev) if (rdev->vram_scratch.robj == NULL) { r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, - true, RADEON_GEM_DOMAIN_VRAM, - &rdev->vram_scratch.robj); + PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, + &rdev->vram_scratch.robj); if (r) { return r; } diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index a1cb783c713..148a322d8f5 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -27,14 +27,6 @@ /* * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com> */ -/* Notes: - * - * We store bo pointer in drm_mm_node struct so we know which bo own a - * specific node. There is no protection on the pointer, thus to make - * sure things don't go berserk you have to access this pointer while - * holding the global lru lock and make sure anytime you free a node you - * reset the pointer to NULL. - */ #include "ttm/ttm_module.h" #include "ttm/ttm_bo_driver.h" @@ -45,6 +37,7 @@ #include <linux/mm.h> #include <linux/file.h> #include <linux/module.h> +#include <asm/atomic.h> #define TTM_ASSERT_LOCKED(param) #define TTM_DEBUG(fmt, arg...) @@ -231,6 +224,9 @@ int ttm_bo_reserve_locked(struct ttm_buffer_object *bo, int ret; while (unlikely(atomic_cmpxchg(&bo->reserved, 0, 1) != 0)) { + /** + * Deadlock avoidance for multi-bo reserving. + */ if (use_sequence && bo->seq_valid && (sequence - bo->val_seq < (1 << 31))) { return -EAGAIN; @@ -248,6 +244,14 @@ int ttm_bo_reserve_locked(struct ttm_buffer_object *bo, } if (use_sequence) { + /** + * Wake up waiters that may need to recheck for deadlock, + * if we decreased the sequence number. + */ + if (unlikely((bo->val_seq - sequence < (1 << 31)) + || !bo->seq_valid)) + wake_up_all(&bo->event_queue); + bo->val_seq = sequence; bo->seq_valid = true; } else { @@ -452,6 +456,11 @@ static void ttm_bo_cleanup_memtype_use(struct ttm_buffer_object *bo) ttm_bo_mem_put(bo, &bo->mem); atomic_set(&bo->reserved, 0); + + /* + * Make processes trying to reserve really pick it up. + */ + smp_mb__after_atomic_dec(); wake_up_all(&bo->event_queue); } @@ -460,7 +469,7 @@ static void ttm_bo_cleanup_refs_or_queue(struct ttm_buffer_object *bo) struct ttm_bo_device *bdev = bo->bdev; struct ttm_bo_global *glob = bo->glob; struct ttm_bo_driver *driver; - void *sync_obj; + void *sync_obj = NULL; void *sync_obj_arg; int put_count; int ret; @@ -495,17 +504,20 @@ static void ttm_bo_cleanup_refs_or_queue(struct ttm_buffer_object *bo) spin_lock(&glob->lru_lock); } queue: - sync_obj = bo->sync_obj; - sync_obj_arg = bo->sync_obj_arg; driver = bdev->driver; + if (bo->sync_obj) + sync_obj = driver->sync_obj_ref(bo->sync_obj); + sync_obj_arg = bo->sync_obj_arg; kref_get(&bo->list_kref); list_add_tail(&bo->ddestroy, &bdev->ddestroy); spin_unlock(&glob->lru_lock); spin_unlock(&bo->lock); - if (sync_obj) + if (sync_obj) { driver->sync_obj_flush(sync_obj, sync_obj_arg); + driver->sync_obj_unref(&sync_obj); + } schedule_delayed_work(&bdev->wq, ((HZ / 100) < 1) ? 1 : HZ / 100); } @@ -822,7 +834,6 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo, bool no_wait_gpu) { struct ttm_bo_device *bdev = bo->bdev; - struct ttm_bo_global *glob = bdev->glob; struct ttm_mem_type_manager *man = &bdev->man[mem_type]; int ret; @@ -832,12 +843,6 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo, return ret; if (mem->mm_node) break; - spin_lock(&glob->lru_lock); - if (list_empty(&man->lru)) { - spin_unlock(&glob->lru_lock); - break; - } - spin_unlock(&glob->lru_lock); ret = ttm_mem_evict_first(bdev, mem_type, interruptible, no_wait_reserve, no_wait_gpu); if (unlikely(ret != 0)) @@ -1125,35 +1130,9 @@ EXPORT_SYMBOL(ttm_bo_validate); int ttm_bo_check_placement(struct ttm_buffer_object *bo, struct ttm_placement *placement) { - int i; + BUG_ON((placement->fpfn || placement->lpfn) && + (bo->mem.num_pages > (placement->lpfn - placement->fpfn))); - if (placement->fpfn || placement->lpfn) { - if (bo->mem.num_pages > (placement->lpfn - placement->fpfn)) { - printk(KERN_ERR TTM_PFX "Page number range to small " - "Need %lu pages, range is [%u, %u]\n", - bo->mem.num_pages, placement->fpfn, - placement->lpfn); - return -EINVAL; - } - } - for (i = 0; i < placement->num_placement; i++) { - if (!capable(CAP_SYS_ADMIN)) { - if (placement->placement[i] & TTM_PL_FLAG_NO_EVICT) { - printk(KERN_ERR TTM_PFX "Need to be root to " - "modify NO_EVICT status.\n"); - return -EINVAL; - } - } - } - for (i = 0; i < placement->num_busy_placement; i++) { - if (!capable(CAP_SYS_ADMIN)) { - if (placement->busy_placement[i] & TTM_PL_FLAG_NO_EVICT) { - printk(KERN_ERR TTM_PFX "Need to be root to " - "modify NO_EVICT status.\n"); - return -EINVAL; - } - } - } return 0; } @@ -1176,6 +1155,10 @@ int ttm_bo_init(struct ttm_bo_device *bdev, num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; if (num_pages == 0) { printk(KERN_ERR TTM_PFX "Illegal buffer object size.\n"); + if (destroy) + (*destroy)(bo); + else + kfree(bo); return -EINVAL; } bo->destroy = destroy; @@ -1369,18 +1352,9 @@ int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type, int ret = -EINVAL; struct ttm_mem_type_manager *man; - if (type >= TTM_NUM_MEM_TYPES) { - printk(KERN_ERR TTM_PFX "Illegal memory type %d\n", type); - return ret; - } - + BUG_ON(type >= TTM_NUM_MEM_TYPES); man = &bdev->man[type]; - if (man->has_type) { - printk(KERN_ERR TTM_PFX - "Memory manager already initialized for type %d\n", - type); - return ret; - } + BUG_ON(man->has_type); ret = bdev->driver->init_mem_type(bdev, type, man); if (ret) @@ -1389,13 +1363,6 @@ int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type, ret = 0; if (type != TTM_PL_SYSTEM) { - if (!p_size) { - printk(KERN_ERR TTM_PFX - "Zero size memory manager type %d\n", - type); - return ret; - } - ret = (*man->func->init)(man, p_size); if (ret) return ret; diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c index 7410c190c89..038e947d00f 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_manager.c +++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright (c) 2007-2009 VMware, Inc., Palo Alto, CA., USA + * Copyright (c) 2007-2010 VMware, Inc., Palo Alto, CA., USA * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -31,20 +31,29 @@ #include "ttm/ttm_module.h" #include "ttm/ttm_bo_driver.h" #include "ttm/ttm_placement.h" -#include <linux/jiffies.h> +#include "drm_mm.h" #include <linux/slab.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/file.h> +#include <linux/spinlock.h> #include <linux/module.h> +/** + * Currently we use a spinlock for the lock, but a mutex *may* be + * more appropriate to reduce scheduling latency if the range manager + * ends up with very fragmented allocation patterns. + */ + +struct ttm_range_manager { + struct drm_mm mm; + spinlock_t lock; +}; + static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man, struct ttm_buffer_object *bo, struct ttm_placement *placement, struct ttm_mem_reg *mem) { - struct ttm_bo_global *glob = man->bdev->glob; - struct drm_mm *mm = man->priv; + struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv; + struct drm_mm *mm = &rman->mm; struct drm_mm_node *node = NULL; unsigned long lpfn; int ret; @@ -57,19 +66,19 @@ static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man, if (unlikely(ret)) return ret; - spin_lock(&glob->lru_lock); + spin_lock(&rman->lock); node = drm_mm_search_free_in_range(mm, mem->num_pages, mem->page_alignment, placement->fpfn, lpfn, 1); if (unlikely(node == NULL)) { - spin_unlock(&glob->lru_lock); + spin_unlock(&rman->lock); return 0; } node = drm_mm_get_block_atomic_range(node, mem->num_pages, - mem->page_alignment, - placement->fpfn, - lpfn); - spin_unlock(&glob->lru_lock); + mem->page_alignment, + placement->fpfn, + lpfn); + spin_unlock(&rman->lock); } while (node == NULL); mem->mm_node = node; @@ -80,12 +89,12 @@ static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man, static void ttm_bo_man_put_node(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem) { - struct ttm_bo_global *glob = man->bdev->glob; + struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv; if (mem->mm_node) { - spin_lock(&glob->lru_lock); + spin_lock(&rman->lock); drm_mm_put_block(mem->mm_node); - spin_unlock(&glob->lru_lock); + spin_unlock(&rman->lock); mem->mm_node = NULL; } } @@ -93,49 +102,49 @@ static void ttm_bo_man_put_node(struct ttm_mem_type_manager *man, static int ttm_bo_man_init(struct ttm_mem_type_manager *man, unsigned long p_size) { - struct drm_mm *mm; + struct ttm_range_manager *rman; int ret; - mm = kzalloc(sizeof(*mm), GFP_KERNEL); - if (!mm) + rman = kzalloc(sizeof(*rman), GFP_KERNEL); + if (!rman) return -ENOMEM; - ret = drm_mm_init(mm, 0, p_size); + ret = drm_mm_init(&rman->mm, 0, p_size); if (ret) { - kfree(mm); + kfree(rman); return ret; } - man->priv = mm; + spin_lock_init(&rman->lock); + man->priv = rman; return 0; } static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man) { - struct ttm_bo_global *glob = man->bdev->glob; - struct drm_mm *mm = man->priv; - int ret = 0; + struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv; + struct drm_mm *mm = &rman->mm; - spin_lock(&glob->lru_lock); + spin_lock(&rman->lock); if (drm_mm_clean(mm)) { drm_mm_takedown(mm); - kfree(mm); + spin_unlock(&rman->lock); + kfree(rman); man->priv = NULL; - } else - ret = -EBUSY; - spin_unlock(&glob->lru_lock); - return ret; + return 0; + } + spin_unlock(&rman->lock); + return -EBUSY; } static void ttm_bo_man_debug(struct ttm_mem_type_manager *man, const char *prefix) { - struct ttm_bo_global *glob = man->bdev->glob; - struct drm_mm *mm = man->priv; + struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv; - spin_lock(&glob->lru_lock); - drm_mm_debug_table(mm, prefix); - spin_unlock(&glob->lru_lock); + spin_lock(&rman->lock); + drm_mm_debug_table(&rman->mm, prefix); + spin_unlock(&rman->lock); } const struct ttm_mem_type_manager_func ttm_bo_manager_func = { diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index a7bab87a548..af789dc869b 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -440,10 +440,8 @@ int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) return ret; ret = be->func->bind(be, bo_mem); - if (ret) { - printk(KERN_ERR TTM_PFX "Couldn't bind backend.\n"); + if (unlikely(ret != 0)) return ret; - } ttm->state = tt_bound; diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c index 9b5b4d9dd62..3e038a394c5 100644 --- a/drivers/gpu/drm/via/via_dmablit.c +++ b/drivers/gpu/drm/via/via_dmablit.c @@ -235,9 +235,9 @@ via_lock_all_dma_pages(drm_via_sg_info_t *vsg, drm_via_dmablit_t *xfer) vsg->num_pages = VIA_PFN(xfer->mem_addr + (xfer->num_lines * xfer->mem_stride - 1)) - first_pfn + 1; - if (NULL == (vsg->pages = vmalloc(sizeof(struct page *) * vsg->num_pages))) + vsg->pages = vzalloc(sizeof(struct page *) * vsg->num_pages); + if (NULL == vsg->pages) return -ENOMEM; - memset(vsg->pages, 0, sizeof(struct page *) * vsg->num_pages); down_read(¤t->mm->mmap_sem); ret = get_user_pages(current, current->mm, (unsigned long)xfer->mem_addr, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 51d9f9f1d7f..76954e3528c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -691,6 +691,7 @@ int vmw_execbuf_ioctl(struct drm_device *dev, void *data, fence_rep.error = ret; fence_rep.fence_seq = (uint64_t) sequence; + fence_rep.pad64 = 0; user_fence_rep = (struct drm_vmw_fence_rep __user *) (unsigned long)arg->fence_rep; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 87c6e6156d7..cceeb42789b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -720,6 +720,8 @@ static int vmw_surface_dmabuf_pin(struct vmw_framebuffer *vfb) &vmw_vram_ne_placement, false, &vmw_dmabuf_bo_free); vmw_overlay_resume_all(dev_priv); + if (unlikely(ret != 0)) + vfbs->buffer = NULL; return ret; } @@ -730,6 +732,9 @@ static int vmw_surface_dmabuf_unpin(struct vmw_framebuffer *vfb) struct vmw_framebuffer_surface *vfbs = vmw_framebuffer_to_vfbs(&vfb->base); + if (unlikely(vfbs->buffer == NULL)) + return 0; + bo = &vfbs->buffer->base; ttm_bo_unref(&bo); vfbs->buffer = NULL; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index a01c47ddb5b..29113c9b26a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -557,7 +557,7 @@ int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv) return -EINVAL; } - dev_priv->ldu_priv = kmalloc(GFP_KERNEL, sizeof(*dev_priv->ldu_priv)); + dev_priv->ldu_priv = kmalloc(sizeof(*dev_priv->ldu_priv), GFP_KERNEL); if (!dev_priv->ldu_priv) return -ENOMEM; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c index df2036ed18d..f1a52f9e729 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c @@ -585,7 +585,7 @@ int vmw_overlay_init(struct vmw_private *dev_priv) return -ENOSYS; } - overlay = kmalloc(GFP_KERNEL, sizeof(*overlay)); + overlay = kmalloc(sizeof(*overlay), GFP_KERNEL); if (!overlay) return -ENOMEM; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 36e129f0023..5408b1b7996 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -862,7 +862,7 @@ int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data, &vmw_vram_sys_placement, true, &vmw_user_dmabuf_destroy); if (unlikely(ret != 0)) - return ret; + goto out_no_dmabuf; tmp = ttm_bo_reference(&vmw_user_bo->dma.base); ret = ttm_base_object_init(vmw_fpriv(file_priv)->tfile, @@ -870,19 +870,21 @@ int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data, false, ttm_buffer_type, &vmw_user_dmabuf_release, NULL); - if (unlikely(ret != 0)) { - ttm_bo_unref(&tmp); - } else { + if (unlikely(ret != 0)) + goto out_no_base_object; + else { rep->handle = vmw_user_bo->base.hash.key; rep->map_handle = vmw_user_bo->dma.base.addr_space_offset; rep->cur_gmr_id = vmw_user_bo->base.hash.key; rep->cur_gmr_offset = 0; } - ttm_bo_unref(&tmp); +out_no_base_object: + ttm_bo_unref(&tmp); +out_no_dmabuf: ttm_read_unlock(&vmaster->lock); - return 0; + return ret; } int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data, diff --git a/drivers/gpu/stub/Kconfig b/drivers/gpu/stub/Kconfig index 742c423567c..0e1edd7311f 100644 --- a/drivers/gpu/stub/Kconfig +++ b/drivers/gpu/stub/Kconfig @@ -3,6 +3,9 @@ config STUB_POULSBO depends on PCI # Poulsbo stub depends on ACPI_VIDEO when ACPI is enabled # but for select to work, need to select ACPI_VIDEO's dependencies, ick + select VIDEO_OUTPUT_CONTROL if ACPI + select BACKLIGHT_CLASS_DEVICE if ACPI + select INPUT if ACPI select ACPI_VIDEO if ACPI help Choose this option if you have a system that has Intel GMA500 diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 8a4b32dca9f..e1f07483691 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -32,7 +32,6 @@ #include <linux/hid.h> #include <linux/mutex.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/hidraw.h> diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index fedd88df9a1..984feb351a5 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -29,7 +29,6 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/input.h> #include <linux/usb.h> #include <linux/hid.h> diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c index 1e4c21fc1a8..86d822aa9bb 100644 --- a/drivers/hwmon/ad7414.c +++ b/drivers/hwmon/ad7414.c @@ -178,11 +178,13 @@ static int ad7414_probe(struct i2c_client *client, { struct ad7414_data *data; int conf; - int err = 0; + int err; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA | - I2C_FUNC_SMBUS_READ_WORD_DATA)) + I2C_FUNC_SMBUS_READ_WORD_DATA)) { + err = -EOPNOTSUPP; goto exit; + } data = kzalloc(sizeof(struct ad7414_data), GFP_KERNEL); if (!data) { diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index 9e775717abb..87d92a56a93 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -1286,8 +1286,10 @@ static int adt7470_probe(struct i2c_client *client, init_completion(&data->auto_update_stop); data->auto_update = kthread_run(adt7470_update_thread, client, dev_name(data->hwmon_dev)); - if (IS_ERR(data->auto_update)) + if (IS_ERR(data->auto_update)) { + err = PTR_ERR(data->auto_update); goto exit_unregister; + } return 0; diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c index fa9708c2d72..4033974d1bb 100644 --- a/drivers/hwmon/amc6821.c +++ b/drivers/hwmon/amc6821.c @@ -4,7 +4,7 @@ Copyright (C) 2009 T. Mertelj <tomaz.mertelj@guest.arnes.si> Based on max6650.c: - Copyright (C) 2007 Hans J. Koch <hjk@linutronix.de> + Copyright (C) 2007 Hans J. Koch <hjk@hansjkoch.de> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index aa701a18370..f141a1de519 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -376,10 +376,6 @@ static int fan_ctrl_init(struct gpio_fan_data *fan_data, } } - err = sysfs_create_group(&pdev->dev.kobj, &gpio_fan_ctrl_group); - if (err) - goto err_free_gpio; - fan_data->num_ctrl = num_ctrl; fan_data->ctrl = ctrl; fan_data->num_speed = pdata->num_speed; @@ -391,6 +387,10 @@ static int fan_ctrl_init(struct gpio_fan_data *fan_data, goto err_free_gpio; } + err = sysfs_create_group(&pdev->dev.kobj, &gpio_fan_ctrl_group); + if (err) + goto err_free_gpio; + return 0; err_free_gpio: diff --git a/drivers/hwmon/lm93.c b/drivers/hwmon/lm93.c index 6669255aadc..c9ed14eba5a 100644 --- a/drivers/hwmon/lm93.c +++ b/drivers/hwmon/lm93.c @@ -20,7 +20,7 @@ Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org> Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab - Modified for mainline integration by Hans J. Koch <hjk@linutronix.de> + Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de> Copyright (c) 2007 Hans J. Koch, Linutronix GmbH This program is free software; you can redistribute it and/or modify @@ -2629,7 +2629,7 @@ static void __exit lm93_exit(void) } MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, " - "Hans J. Koch <hjk@linutronix.de"); + "Hans J. Koch <hjk@hansjkoch.de>"); MODULE_DESCRIPTION("LM93 driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c index 464340f2549..4546d82f024 100644 --- a/drivers/hwmon/lm95241.c +++ b/drivers/hwmon/lm95241.c @@ -128,9 +128,12 @@ static ssize_t set_interval(struct device *dev, struct device_attribute *attr, { struct i2c_client *client = to_i2c_client(dev); struct lm95241_data *data = i2c_get_clientdata(client); + unsigned long val; - strict_strtol(buf, 10, &data->interval); - data->interval = data->interval * HZ / 1000; + if (strict_strtoul(buf, 10, &val) < 0) + return -EINVAL; + + data->interval = val * HZ / 1000; return count; } @@ -188,7 +191,9 @@ static ssize_t set_type##flag(struct device *dev, \ struct lm95241_data *data = i2c_get_clientdata(client); \ \ long val; \ - strict_strtol(buf, 10, &val); \ +\ + if (strict_strtol(buf, 10, &val) < 0) \ + return -EINVAL; \ \ if ((val == 1) || (val == 2)) { \ \ @@ -227,7 +232,9 @@ static ssize_t set_min##flag(struct device *dev, \ struct lm95241_data *data = i2c_get_clientdata(client); \ \ long val; \ - strict_strtol(buf, 10, &val); \ +\ + if (strict_strtol(buf, 10, &val) < 0) \ + return -EINVAL;\ \ mutex_lock(&data->update_lock); \ \ @@ -256,7 +263,9 @@ static ssize_t set_max##flag(struct device *dev, \ struct lm95241_data *data = i2c_get_clientdata(client); \ \ long val; \ - strict_strtol(buf, 10, &val); \ +\ + if (strict_strtol(buf, 10, &val) < 0) \ + return -EINVAL; \ \ mutex_lock(&data->update_lock); \ \ diff --git a/drivers/hwmon/ltc4261.c b/drivers/hwmon/ltc4261.c index 26762617867..4b50601027d 100644 --- a/drivers/hwmon/ltc4261.c +++ b/drivers/hwmon/ltc4261.c @@ -82,7 +82,7 @@ static struct ltc4261_data *ltc4261_update_device(struct device *dev) val = i2c_smbus_read_byte_data(client, i); if (unlikely(val < 0)) { dev_dbg(dev, - "Failed to read ADC value: error %d", + "Failed to read ADC value: error %d\n", val); ret = ERR_PTR(val); goto abort; @@ -230,8 +230,7 @@ static int ltc4261_probe(struct i2c_client *client, return -ENODEV; if (i2c_smbus_read_byte_data(client, LTC4261_STATUS) < 0) { - dev_err(&client->dev, "Failed to read register %d:%02x:%02x\n", - adapter->id, client->addr, LTC4261_STATUS); + dev_err(&client->dev, "Failed to read status register\n"); return -ENODEV; } diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c index a0160ee5cae..9a11532ecae 100644 --- a/drivers/hwmon/max6650.c +++ b/drivers/hwmon/max6650.c @@ -2,7 +2,7 @@ * max6650.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring. * - * (C) 2007 by Hans J. Koch <hjk@linutronix.de> + * (C) 2007 by Hans J. Koch <hjk@hansjkoch.de> * * based on code written by John Morris <john.morris@spirentcom.com> * Copyright (c) 2003 Spirent Communications diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c index 1d840aa8378..cdbc7448491 100644 --- a/drivers/hwmon/w83795.c +++ b/drivers/hwmon/w83795.c @@ -165,10 +165,14 @@ static const u8 IN_LSB_SHIFT_IDX[][2] = { #define W83795_REG_VID_CTRL 0x6A +#define W83795_REG_ALARM_CTRL 0x40 +#define ALARM_CTRL_RTSACS (1 << 7) #define W83795_REG_ALARM(index) (0x41 + (index)) +#define W83795_REG_CLR_CHASSIS 0x4D #define W83795_REG_BEEP(index) (0x50 + (index)) -#define W83795_REG_CLR_CHASSIS 0x4D +#define W83795_REG_OVT_CFG 0x58 +#define OVT_CFG_SEL (1 << 7) #define W83795_REG_FCMS1 0x201 @@ -178,6 +182,14 @@ static const u8 IN_LSB_SHIFT_IDX[][2] = { #define W83795_REG_TSS(index) (0x209 + (index)) +#define TSS_MAP_RESERVED 0xff +static const u8 tss_map[4][6] = { + { 0, 1, 2, 3, 4, 5}, + { 6, 7, 8, 9, 0, 1}, + {10, 11, 12, 13, 2, 3}, + { 4, 5, 4, 5, TSS_MAP_RESERVED, TSS_MAP_RESERVED}, +}; + #define PWM_OUTPUT 0 #define PWM_FREQ 1 #define PWM_START 2 @@ -369,6 +381,7 @@ struct w83795_data { u8 setup_pwm[3]; /* Register value */ u8 alarms[6]; /* Register value */ + u8 enable_beep; u8 beeps[6]; /* Register value */ char valid; @@ -499,8 +512,11 @@ static void w83795_update_limits(struct i2c_client *client) } /* Read beep settings */ - for (i = 0; i < ARRAY_SIZE(data->beeps); i++) - data->beeps[i] = w83795_read(client, W83795_REG_BEEP(i)); + if (data->enable_beep) { + for (i = 0; i < ARRAY_SIZE(data->beeps); i++) + data->beeps[i] = + w83795_read(client, W83795_REG_BEEP(i)); + } data->valid_limits = 1; } @@ -577,6 +593,7 @@ static struct w83795_data *w83795_update_device(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct w83795_data *data = i2c_get_clientdata(client); u16 tmp; + u8 intrusion; int i; mutex_lock(&data->update_lock); @@ -648,9 +665,24 @@ static struct w83795_data *w83795_update_device(struct device *dev) w83795_read(client, W83795_REG_PWM(i, PWM_OUTPUT)); } - /* update alarm */ + /* Update intrusion and alarms + * It is important to read intrusion first, because reading from + * register SMI STS6 clears the interrupt status temporarily. */ + tmp = w83795_read(client, W83795_REG_ALARM_CTRL); + /* Switch to interrupt status for intrusion if needed */ + if (tmp & ALARM_CTRL_RTSACS) + w83795_write(client, W83795_REG_ALARM_CTRL, + tmp & ~ALARM_CTRL_RTSACS); + intrusion = w83795_read(client, W83795_REG_ALARM(5)) & (1 << 6); + /* Switch to real-time alarms */ + w83795_write(client, W83795_REG_ALARM_CTRL, tmp | ALARM_CTRL_RTSACS); for (i = 0; i < ARRAY_SIZE(data->alarms); i++) data->alarms[i] = w83795_read(client, W83795_REG_ALARM(i)); + data->alarms[5] |= intrusion; + /* Restore original configuration if needed */ + if (!(tmp & ALARM_CTRL_RTSACS)) + w83795_write(client, W83795_REG_ALARM_CTRL, + tmp & ~ALARM_CTRL_RTSACS); data->last_updated = jiffies; data->valid = 1; @@ -730,6 +762,10 @@ store_chassis_clear(struct device *dev, val = w83795_read(client, W83795_REG_CLR_CHASSIS); val |= 0x80; w83795_write(client, W83795_REG_CLR_CHASSIS, val); + + /* Clear status and force cache refresh */ + w83795_read(client, W83795_REG_ALARM(5)); + data->valid = 0; mutex_unlock(&data->update_lock); return count; } @@ -857,20 +893,20 @@ show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) int index = sensor_attr->index; u8 tmp; - if (1 == (data->pwm_fcms[0] & (1 << index))) { + /* Speed cruise mode */ + if (data->pwm_fcms[0] & (1 << index)) { tmp = 2; goto out; } + /* Thermal cruise or SmartFan IV mode */ for (tmp = 0; tmp < 6; tmp++) { if (data->pwm_tfmr[tmp] & (1 << index)) { tmp = 3; goto out; } } - if (data->pwm_fomc & (1 << index)) - tmp = 0; - else - tmp = 1; + /* Manual mode */ + tmp = 1; out: return sprintf(buf, "%u\n", tmp); @@ -890,23 +926,21 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr, if (strict_strtoul(buf, 10, &val) < 0) return -EINVAL; - if (val > 2) + if (val < 1 || val > 2) return -EINVAL; mutex_lock(&data->update_lock); switch (val) { - case 0: case 1: + /* Clear speed cruise mode bits */ data->pwm_fcms[0] &= ~(1 << index); w83795_write(client, W83795_REG_FCMS1, data->pwm_fcms[0]); + /* Clear thermal cruise mode bits */ for (i = 0; i < 6; i++) { data->pwm_tfmr[i] &= ~(1 << index); w83795_write(client, W83795_REG_TFMR(i), data->pwm_tfmr[i]); } - data->pwm_fomc |= 1 << index; - data->pwm_fomc ^= val << index; - w83795_write(client, W83795_REG_FOMC, data->pwm_fomc); break; case 2: data->pwm_fcms[0] |= (1 << index); @@ -918,23 +952,60 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr, } static ssize_t +show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct w83795_data *data = w83795_update_pwm_config(dev); + int index = to_sensor_dev_attr_2(attr)->index; + unsigned int mode; + + if (data->pwm_fomc & (1 << index)) + mode = 0; /* DC */ + else + mode = 1; /* PWM */ + + return sprintf(buf, "%u\n", mode); +} + +/* + * Check whether a given temperature source can ever be useful. + * Returns the number of selectable temperature channels which are + * enabled. + */ +static int w83795_tss_useful(const struct w83795_data *data, int tsrc) +{ + int useful = 0, i; + + for (i = 0; i < 4; i++) { + if (tss_map[i][tsrc] == TSS_MAP_RESERVED) + continue; + if (tss_map[i][tsrc] < 6) /* Analog */ + useful += (data->has_temp >> tss_map[i][tsrc]) & 1; + else /* Digital */ + useful += (data->has_dts >> (tss_map[i][tsrc] - 6)) & 1; + } + + return useful; +} + +static ssize_t show_temp_src(struct device *dev, struct device_attribute *attr, char *buf) { struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); struct w83795_data *data = w83795_update_pwm_config(dev); int index = sensor_attr->index; - u8 val = index / 2; - u8 tmp = data->temp_src[val]; + u8 tmp = data->temp_src[index / 2]; if (index & 1) - val = 4; + tmp >>= 4; /* Pick high nibble */ else - val = 0; - tmp >>= val; - tmp &= 0x0f; + tmp &= 0x0f; /* Pick low nibble */ - return sprintf(buf, "%u\n", tmp); + /* Look-up the actual temperature channel number */ + if (tmp >= 4 || tss_map[tmp][index] == TSS_MAP_RESERVED) + return -EINVAL; /* Shouldn't happen */ + + return sprintf(buf, "%u\n", (unsigned int)tss_map[tmp][index] + 1); } static ssize_t @@ -946,12 +1017,21 @@ store_temp_src(struct device *dev, struct device_attribute *attr, struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); int index = sensor_attr->index; - unsigned long tmp; + int tmp; + unsigned long channel; u8 val = index / 2; - if (strict_strtoul(buf, 10, &tmp) < 0) + if (strict_strtoul(buf, 10, &channel) < 0 || + channel < 1 || channel > 14) + return -EINVAL; + + /* Check if request can be fulfilled */ + for (tmp = 0; tmp < 4; tmp++) { + if (tss_map[tmp][index] == channel - 1) + break; + } + if (tmp == 4) /* No match */ return -EINVAL; - tmp = SENSORS_LIMIT(tmp, 0, 15); mutex_lock(&data->update_lock); if (index & 1) { @@ -1515,7 +1595,7 @@ store_sf_setup(struct device *dev, struct device_attribute *attr, #define NOT_USED -1 -/* Don't change the attribute order, _max and _min are accessed by index +/* Don't change the attribute order, _max, _min and _beep are accessed by index * somewhere else in the code */ #define SENSOR_ATTR_IN(index) { \ SENSOR_ATTR_2(in##index##_input, S_IRUGO, show_in, NULL, \ @@ -1530,6 +1610,8 @@ store_sf_setup(struct device *dev, struct device_attribute *attr, show_alarm_beep, store_beep, BEEP_ENABLE, \ index + ((index > 14) ? 1 : 0)) } +/* Don't change the attribute order, _beep is accessed by index + * somewhere else in the code */ #define SENSOR_ATTR_FAN(index) { \ SENSOR_ATTR_2(fan##index##_input, S_IRUGO, show_fan, \ NULL, FAN_INPUT, index - 1), \ @@ -1553,9 +1635,13 @@ store_sf_setup(struct device *dev, struct device_attribute *attr, show_pwm, store_pwm, PWM_FREQ, index - 1), \ SENSOR_ATTR_2(pwm##index##_enable, S_IWUSR | S_IRUGO, \ show_pwm_enable, store_pwm_enable, NOT_USED, index - 1), \ + SENSOR_ATTR_2(pwm##index##_mode, S_IRUGO, \ + show_pwm_mode, NULL, NOT_USED, index - 1), \ SENSOR_ATTR_2(fan##index##_target, S_IWUSR | S_IRUGO, \ show_fanin, store_fanin, FANIN_TARGET, index - 1) } +/* Don't change the attribute order, _beep is accessed by index + * somewhere else in the code */ #define SENSOR_ATTR_DTS(index) { \ SENSOR_ATTR_2(temp##index##_type, S_IRUGO , \ show_dts_mode, NULL, NOT_USED, index - 7), \ @@ -1574,6 +1660,8 @@ store_sf_setup(struct device *dev, struct device_attribute *attr, SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \ show_alarm_beep, store_beep, BEEP_ENABLE, index + 17) } +/* Don't change the attribute order, _beep is accessed by index + * somewhere else in the code */ #define SENSOR_ATTR_TEMP(index) { \ SENSOR_ATTR_2(temp##index##_type, S_IRUGO | (index < 4 ? S_IWUSR : 0), \ show_temp_mode, store_temp_mode, NOT_USED, index - 1), \ @@ -1593,8 +1681,6 @@ store_sf_setup(struct device *dev, struct device_attribute *attr, SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \ show_alarm_beep, store_beep, BEEP_ENABLE, \ index + (index > 4 ? 11 : 17)), \ - SENSOR_ATTR_2(temp##index##_source_sel, S_IWUSR | S_IRUGO, \ - show_temp_src, store_temp_src, NOT_USED, index - 1), \ SENSOR_ATTR_2(temp##index##_pwm_enable, S_IWUSR | S_IRUGO, \ show_temp_pwm_enable, store_temp_pwm_enable, \ TEMP_PWM_ENABLE, index - 1), \ @@ -1680,7 +1766,7 @@ static const struct sensor_device_attribute_2 w83795_fan[][4] = { SENSOR_ATTR_FAN(14), }; -static const struct sensor_device_attribute_2 w83795_temp[][29] = { +static const struct sensor_device_attribute_2 w83795_temp[][28] = { SENSOR_ATTR_TEMP(1), SENSOR_ATTR_TEMP(2), SENSOR_ATTR_TEMP(3), @@ -1700,7 +1786,7 @@ static const struct sensor_device_attribute_2 w83795_dts[][8] = { SENSOR_ATTR_DTS(14), }; -static const struct sensor_device_attribute_2 w83795_pwm[][7] = { +static const struct sensor_device_attribute_2 w83795_pwm[][8] = { SENSOR_ATTR_PWM(1), SENSOR_ATTR_PWM(2), SENSOR_ATTR_PWM(3), @@ -1711,13 +1797,24 @@ static const struct sensor_device_attribute_2 w83795_pwm[][7] = { SENSOR_ATTR_PWM(8), }; +static const struct sensor_device_attribute_2 w83795_tss[6] = { + SENSOR_ATTR_2(temp1_source_sel, S_IWUSR | S_IRUGO, + show_temp_src, store_temp_src, NOT_USED, 0), + SENSOR_ATTR_2(temp2_source_sel, S_IWUSR | S_IRUGO, + show_temp_src, store_temp_src, NOT_USED, 1), + SENSOR_ATTR_2(temp3_source_sel, S_IWUSR | S_IRUGO, + show_temp_src, store_temp_src, NOT_USED, 2), + SENSOR_ATTR_2(temp4_source_sel, S_IWUSR | S_IRUGO, + show_temp_src, store_temp_src, NOT_USED, 3), + SENSOR_ATTR_2(temp5_source_sel, S_IWUSR | S_IRUGO, + show_temp_src, store_temp_src, NOT_USED, 4), + SENSOR_ATTR_2(temp6_source_sel, S_IWUSR | S_IRUGO, + show_temp_src, store_temp_src, NOT_USED, 5), +}; + static const struct sensor_device_attribute_2 sda_single_files[] = { SENSOR_ATTR_2(intrusion0_alarm, S_IWUSR | S_IRUGO, show_alarm_beep, store_chassis_clear, ALARM_STATUS, 46), - SENSOR_ATTR_2(intrusion0_beep, S_IWUSR | S_IRUGO, show_alarm_beep, - store_beep, BEEP_ENABLE, 46), - SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_alarm_beep, - store_beep, BEEP_ENABLE, 47), #ifdef CONFIG_SENSORS_W83795_FANCTRL SENSOR_ATTR_2(speed_cruise_tolerance, S_IWUSR | S_IRUGO, show_fanin, store_fanin, FANIN_TOL, NOT_USED), @@ -1730,6 +1827,13 @@ static const struct sensor_device_attribute_2 sda_single_files[] = { #endif }; +static const struct sensor_device_attribute_2 sda_beep_files[] = { + SENSOR_ATTR_2(intrusion0_beep, S_IWUSR | S_IRUGO, show_alarm_beep, + store_beep, BEEP_ENABLE, 46), + SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_alarm_beep, + store_beep, BEEP_ENABLE, 47), +}; + /* * Driver interface */ @@ -1859,6 +1963,8 @@ static int w83795_handle_files(struct device *dev, int (*fn)(struct device *, if (!(data->has_in & (1 << i))) continue; for (j = 0; j < ARRAY_SIZE(w83795_in[0]); j++) { + if (j == 4 && !data->enable_beep) + continue; err = fn(dev, &w83795_in[i][j].dev_attr); if (err) return err; @@ -1869,18 +1975,37 @@ static int w83795_handle_files(struct device *dev, int (*fn)(struct device *, if (!(data->has_fan & (1 << i))) continue; for (j = 0; j < ARRAY_SIZE(w83795_fan[0]); j++) { + if (j == 3 && !data->enable_beep) + continue; err = fn(dev, &w83795_fan[i][j].dev_attr); if (err) return err; } } + for (i = 0; i < ARRAY_SIZE(w83795_tss); i++) { + j = w83795_tss_useful(data, i); + if (!j) + continue; + err = fn(dev, &w83795_tss[i].dev_attr); + if (err) + return err; + } + for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) { err = fn(dev, &sda_single_files[i].dev_attr); if (err) return err; } + if (data->enable_beep) { + for (i = 0; i < ARRAY_SIZE(sda_beep_files); i++) { + err = fn(dev, &sda_beep_files[i].dev_attr); + if (err) + return err; + } + } + #ifdef CONFIG_SENSORS_W83795_FANCTRL for (i = 0; i < data->has_pwm; i++) { for (j = 0; j < ARRAY_SIZE(w83795_pwm[0]); j++) { @@ -1899,6 +2024,8 @@ static int w83795_handle_files(struct device *dev, int (*fn)(struct device *, #else for (j = 0; j < 8; j++) { #endif + if (j == 7 && !data->enable_beep) + continue; err = fn(dev, &w83795_temp[i][j].dev_attr); if (err) return err; @@ -1910,6 +2037,8 @@ static int w83795_handle_files(struct device *dev, int (*fn)(struct device *, if (!(data->has_dts & (1 << i))) continue; for (j = 0; j < ARRAY_SIZE(w83795_dts[0]); j++) { + if (j == 7 && !data->enable_beep) + continue; err = fn(dev, &w83795_dts[i][j].dev_attr); if (err) return err; @@ -2049,6 +2178,18 @@ static int w83795_probe(struct i2c_client *client, else data->has_pwm = 2; + /* Check if BEEP pin is available */ + if (data->chip_type == w83795g) { + /* The W83795G has a dedicated BEEP pin */ + data->enable_beep = 1; + } else { + /* The W83795ADG has a shared pin for OVT# and BEEP, so you + * can't have both */ + tmp = w83795_read(client, W83795_REG_OVT_CFG); + if ((tmp & OVT_CFG_SEL) == 0) + data->enable_beep = 1; + } + err = w83795_handle_files(dev, device_create_file); if (err) goto exit_remove; diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index d231f683f57..6b4cc567645 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -848,6 +848,18 @@ static int i2c_register_adapter(struct i2c_adapter *adap) goto out_list; } + /* Sanity checks */ + if (unlikely(adap->name[0] == '\0')) { + pr_err("i2c-core: Attempt to register an adapter with " + "no name!\n"); + return -EINVAL; + } + if (unlikely(!adap->algo)) { + pr_err("i2c-core: Attempt to register adapter '%s' with " + "no algo!\n", adap->name); + return -EINVAL; + } + rt_mutex_init(&adap->bus_lock); mutex_init(&adap->userspace_clients_lock); INIT_LIST_HEAD(&adap->userspace_clients); diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c index d32a4843fc3..d7a4833be41 100644 --- a/drivers/i2c/i2c-mux.c +++ b/drivers/i2c/i2c-mux.c @@ -120,7 +120,6 @@ struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent, snprintf(priv->adap.name, sizeof(priv->adap.name), "i2c-%d-mux (chan_id %d)", i2c_adapter_id(parent), chan_id); priv->adap.owner = THIS_MODULE; - priv->adap.id = parent->id; priv->adap.algo = &priv->algo; priv->adap.algo_data = priv; priv->adap.dev.parent = &parent->dev; diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c index 6078992da3f..9292a15ad7c 100644 --- a/drivers/infiniband/hw/ipath/ipath_file_ops.c +++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c @@ -40,7 +40,6 @@ #include <linux/highmem.h> #include <linux/io.h> #include <linux/jiffies.h> -#include <linux/smp_lock.h> #include <asm/pgtable.h> #include "ipath_kernel.h" diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index cfc1d65c457..1e1e347a771 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1123,7 +1123,7 @@ static void srp_send_completion(struct ib_cq *cq, void *target_ptr) } } -static int srp_queuecommand(struct scsi_cmnd *scmnd, +static int srp_queuecommand_lck(struct scsi_cmnd *scmnd, void (*done)(struct scsi_cmnd *)) { struct srp_target_port *target = host_to_target(scmnd->device->host); @@ -1196,6 +1196,8 @@ err: return SCSI_MLQUEUE_HOST_BUSY; } +static DEF_SCSI_QCMD(srp_queuecommand) + static int srp_alloc_iu_bufs(struct srp_target_port *target) { int i; diff --git a/drivers/input/input.c b/drivers/input/input.c index d092ef9291d..db409d6bd5d 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -24,7 +24,6 @@ #include <linux/device.h> #include <linux/mutex.h> #include <linux/rcupdate.h> -#include <linux/smp_lock.h> #include "input-compat.h" MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>"); @@ -74,6 +73,7 @@ static int input_defuzz_abs_event(int value, int old_val, int fuzz) * dev->event_lock held and interrupts disabled. */ static void input_pass_event(struct input_dev *dev, + struct input_handler *src_handler, unsigned int type, unsigned int code, int value) { struct input_handler *handler; @@ -92,6 +92,15 @@ static void input_pass_event(struct input_dev *dev, continue; handler = handle->handler; + + /* + * If this is the handler that injected this + * particular event we want to skip it to avoid + * filters firing again and again. + */ + if (handler == src_handler) + continue; + if (!handler->filter) { if (filtered) break; @@ -121,7 +130,7 @@ static void input_repeat_key(unsigned long data) if (test_bit(dev->repeat_key, dev->key) && is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) { - input_pass_event(dev, EV_KEY, dev->repeat_key, 2); + input_pass_event(dev, NULL, EV_KEY, dev->repeat_key, 2); if (dev->sync) { /* @@ -130,7 +139,7 @@ static void input_repeat_key(unsigned long data) * Otherwise assume that the driver will send * SYN_REPORT once it's done. */ - input_pass_event(dev, EV_SYN, SYN_REPORT, 1); + input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); } if (dev->rep[REP_PERIOD]) @@ -163,6 +172,7 @@ static void input_stop_autorepeat(struct input_dev *dev) #define INPUT_PASS_TO_ALL (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE) static int input_handle_abs_event(struct input_dev *dev, + struct input_handler *src_handler, unsigned int code, int *pval) { bool is_mt_event; @@ -206,13 +216,15 @@ static int input_handle_abs_event(struct input_dev *dev, /* Flush pending "slot" event */ if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) { input_abs_set_val(dev, ABS_MT_SLOT, dev->slot); - input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot); + input_pass_event(dev, src_handler, + EV_ABS, ABS_MT_SLOT, dev->slot); } return INPUT_PASS_TO_HANDLERS; } static void input_handle_event(struct input_dev *dev, + struct input_handler *src_handler, unsigned int type, unsigned int code, int value) { int disposition = INPUT_IGNORE_EVENT; @@ -265,7 +277,8 @@ static void input_handle_event(struct input_dev *dev, case EV_ABS: if (is_event_supported(code, dev->absbit, ABS_MAX)) - disposition = input_handle_abs_event(dev, code, &value); + disposition = input_handle_abs_event(dev, src_handler, + code, &value); break; @@ -323,7 +336,7 @@ static void input_handle_event(struct input_dev *dev, dev->event(dev, type, code, value); if (disposition & INPUT_PASS_TO_HANDLERS) - input_pass_event(dev, type, code, value); + input_pass_event(dev, src_handler, type, code, value); } /** @@ -352,7 +365,7 @@ void input_event(struct input_dev *dev, spin_lock_irqsave(&dev->event_lock, flags); add_input_randomness(type, code, value); - input_handle_event(dev, type, code, value); + input_handle_event(dev, NULL, type, code, value); spin_unlock_irqrestore(&dev->event_lock, flags); } } @@ -382,7 +395,8 @@ void input_inject_event(struct input_handle *handle, rcu_read_lock(); grab = rcu_dereference(dev->grab); if (!grab || grab == handle) - input_handle_event(dev, type, code, value); + input_handle_event(dev, handle->handler, + type, code, value); rcu_read_unlock(); spin_unlock_irqrestore(&dev->event_lock, flags); @@ -595,10 +609,10 @@ static void input_dev_release_keys(struct input_dev *dev) for (code = 0; code <= KEY_MAX; code++) { if (is_event_supported(code, dev->keybit, KEY_MAX) && __test_and_clear_bit(code, dev->key)) { - input_pass_event(dev, EV_KEY, code, 0); + input_pass_event(dev, NULL, EV_KEY, code, 0); } } - input_pass_event(dev, EV_SYN, SYN_REPORT, 1); + input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); } } @@ -738,7 +752,7 @@ static int input_default_setkeycode(struct input_dev *dev, if (index >= dev->keycodemax) return -EINVAL; - if (dev->keycodesize < sizeof(dev->keycode) && + if (dev->keycodesize < sizeof(ke->keycode) && (ke->keycode >> (dev->keycodesize * 8))) return -EINVAL; @@ -873,9 +887,9 @@ int input_set_keycode(struct input_dev *dev, !is_event_supported(old_keycode, dev->keybit, KEY_MAX) && __test_and_clear_bit(old_keycode, dev->key)) { - input_pass_event(dev, EV_KEY, old_keycode, 0); + input_pass_event(dev, NULL, EV_KEY, old_keycode, 0); if (dev->sync) - input_pass_event(dev, EV_SYN, SYN_REPORT, 1); + input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); } out: @@ -1565,8 +1579,7 @@ static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env) } \ } while (0) -#ifdef CONFIG_PM -static void input_dev_reset(struct input_dev *dev, bool activate) +static void input_dev_toggle(struct input_dev *dev, bool activate) { if (!dev->event) return; @@ -1580,12 +1593,44 @@ static void input_dev_reset(struct input_dev *dev, bool activate) } } +/** + * input_reset_device() - reset/restore the state of input device + * @dev: input device whose state needs to be reset + * + * This function tries to reset the state of an opened input device and + * bring internal state and state if the hardware in sync with each other. + * We mark all keys as released, restore LED state, repeat rate, etc. + */ +void input_reset_device(struct input_dev *dev) +{ + mutex_lock(&dev->mutex); + + if (dev->users) { + input_dev_toggle(dev, true); + + /* + * Keys that have been pressed at suspend time are unlikely + * to be still pressed when we resume. + */ + spin_lock_irq(&dev->event_lock); + input_dev_release_keys(dev); + spin_unlock_irq(&dev->event_lock); + } + + mutex_unlock(&dev->mutex); +} +EXPORT_SYMBOL(input_reset_device); + +#ifdef CONFIG_PM static int input_dev_suspend(struct device *dev) { struct input_dev *input_dev = to_input_dev(dev); mutex_lock(&input_dev->mutex); - input_dev_reset(input_dev, false); + + if (input_dev->users) + input_dev_toggle(input_dev, false); + mutex_unlock(&input_dev->mutex); return 0; @@ -1595,18 +1640,7 @@ static int input_dev_resume(struct device *dev) { struct input_dev *input_dev = to_input_dev(dev); - mutex_lock(&input_dev->mutex); - input_dev_reset(input_dev, true); - - /* - * Keys that have been pressed at suspend time are unlikely - * to be still pressed when we resume. - */ - spin_lock_irq(&input_dev->event_lock); - input_dev_release_keys(input_dev); - spin_unlock_irq(&input_dev->event_lock); - - mutex_unlock(&input_dev->mutex); + input_reset_device(input_dev); return 0; } diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index b92d1cd5cba..af45d275f68 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -4,7 +4,7 @@ * I2C QWERTY Keypad and IO Expander * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2008-2009 Analog Devices Inc. + * Copyright (C) 2008-2010 Analog Devices Inc. * Licensed under the GPL-2 or later. */ @@ -24,29 +24,6 @@ #include <linux/i2c/adp5588.h> - /* Configuration Register1 */ -#define AUTO_INC (1 << 7) -#define GPIEM_CFG (1 << 6) -#define OVR_FLOW_M (1 << 5) -#define INT_CFG (1 << 4) -#define OVR_FLOW_IEN (1 << 3) -#define K_LCK_IM (1 << 2) -#define GPI_IEN (1 << 1) -#define KE_IEN (1 << 0) - -/* Interrupt Status Register */ -#define CMP2_INT (1 << 5) -#define CMP1_INT (1 << 4) -#define OVR_FLOW_INT (1 << 3) -#define K_LCK_INT (1 << 2) -#define GPI_INT (1 << 1) -#define KE_INT (1 << 0) - -/* Key Lock and Event Counter Register */ -#define K_LCK_EN (1 << 6) -#define LCK21 0x30 -#define KEC 0xF - /* Key Event Register xy */ #define KEY_EV_PRESSED (1 << 7) #define KEY_EV_MASK (0x7F) @@ -55,10 +32,6 @@ #define KEYP_MAX_EVENT 10 -#define MAXGPIO 18 -#define ADP_BANK(offs) ((offs) >> 3) -#define ADP_BIT(offs) (1u << ((offs) & 0x7)) - /* * Early pre 4.0 Silicon required to delay readout by at least 25ms, * since the Event Counter Register updated 25ms after the interrupt @@ -75,7 +48,7 @@ struct adp5588_kpad { const struct adp5588_gpi_map *gpimap; unsigned short gpimapsize; #ifdef CONFIG_GPIOLIB - unsigned char gpiomap[MAXGPIO]; + unsigned char gpiomap[ADP5588_MAXGPIO]; bool export_gpio; struct gpio_chip gc; struct mutex gpio_lock; /* Protect cached dir, dat_out */ @@ -103,8 +76,8 @@ static int adp5588_write(struct i2c_client *client, u8 reg, u8 val) static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off) { struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc); - unsigned int bank = ADP_BANK(kpad->gpiomap[off]); - unsigned int bit = ADP_BIT(kpad->gpiomap[off]); + unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); + unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]); return !!(adp5588_read(kpad->client, GPIO_DAT_STAT1 + bank) & bit); } @@ -113,8 +86,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip, unsigned off, int val) { struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc); - unsigned int bank = ADP_BANK(kpad->gpiomap[off]); - unsigned int bit = ADP_BIT(kpad->gpiomap[off]); + unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); + unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]); mutex_lock(&kpad->gpio_lock); @@ -132,8 +105,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip, static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off) { struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc); - unsigned int bank = ADP_BANK(kpad->gpiomap[off]); - unsigned int bit = ADP_BIT(kpad->gpiomap[off]); + unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); + unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]); int ret; mutex_lock(&kpad->gpio_lock); @@ -150,8 +123,8 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip, unsigned off, int val) { struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc); - unsigned int bank = ADP_BANK(kpad->gpiomap[off]); - unsigned int bit = ADP_BIT(kpad->gpiomap[off]); + unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); + unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]); int ret; mutex_lock(&kpad->gpio_lock); @@ -176,7 +149,7 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip, static int __devinit adp5588_build_gpiomap(struct adp5588_kpad *kpad, const struct adp5588_kpad_platform_data *pdata) { - bool pin_used[MAXGPIO]; + bool pin_used[ADP5588_MAXGPIO]; int n_unused = 0; int i; @@ -191,7 +164,7 @@ static int __devinit adp5588_build_gpiomap(struct adp5588_kpad *kpad, for (i = 0; i < kpad->gpimapsize; i++) pin_used[kpad->gpimap[i].pin - GPI_PIN_BASE] = true; - for (i = 0; i < MAXGPIO; i++) + for (i = 0; i < ADP5588_MAXGPIO; i++) if (!pin_used[i]) kpad->gpiomap[n_unused++] = i; @@ -234,7 +207,7 @@ static int __devinit adp5588_gpio_add(struct adp5588_kpad *kpad) return error; } - for (i = 0; i <= ADP_BANK(MAXGPIO); i++) { + for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) { kpad->dat_out[i] = adp5588_read(kpad->client, GPIO_DAT_OUT1 + i); kpad->dir[i] = adp5588_read(kpad->client, GPIO_DIR1 + i); @@ -318,11 +291,11 @@ static void adp5588_work(struct work_struct *work) status = adp5588_read(client, INT_STAT); - if (status & OVR_FLOW_INT) /* Unlikely and should never happen */ + if (status & ADP5588_OVR_FLOW_INT) /* Unlikely and should never happen */ dev_err(&client->dev, "Event Overflow Error\n"); - if (status & KE_INT) { - ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & KEC; + if (status & ADP5588_KE_INT) { + ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & ADP5588_KEC; if (ev_cnt) { adp5588_report_events(kpad, ev_cnt); input_sync(kpad->input); @@ -360,7 +333,7 @@ static int __devinit adp5588_setup(struct i2c_client *client) if (pdata->en_keylock) { ret |= adp5588_write(client, UNLOCK1, pdata->unlock_key1); ret |= adp5588_write(client, UNLOCK2, pdata->unlock_key2); - ret |= adp5588_write(client, KEY_LCK_EC_STAT, K_LCK_EN); + ret |= adp5588_write(client, KEY_LCK_EC_STAT, ADP5588_K_LCK_EN); } for (i = 0; i < KEYP_MAX_EVENT; i++) @@ -384,7 +357,7 @@ static int __devinit adp5588_setup(struct i2c_client *client) } if (gpio_data) { - for (i = 0; i <= ADP_BANK(MAXGPIO); i++) { + for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) { int pull_mask = gpio_data->pullup_dis_mask; ret |= adp5588_write(client, GPIO_PULL1 + i, @@ -392,11 +365,14 @@ static int __devinit adp5588_setup(struct i2c_client *client) } } - ret |= adp5588_write(client, INT_STAT, CMP2_INT | CMP1_INT | - OVR_FLOW_INT | K_LCK_INT | - GPI_INT | KE_INT); /* Status is W1C */ + ret |= adp5588_write(client, INT_STAT, + ADP5588_CMP2_INT | ADP5588_CMP1_INT | + ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT | + ADP5588_GPI_INT | ADP5588_KE_INT); /* Status is W1C */ - ret |= adp5588_write(client, CFG, INT_CFG | OVR_FLOW_IEN | KE_IEN); + ret |= adp5588_write(client, CFG, ADP5588_INT_CFG | + ADP5588_OVR_FLOW_IEN | + ADP5588_KE_IEN); if (ret < 0) { dev_err(&client->dev, "Write Error\n"); diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index d358ef8623f..11478eb2c27 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -63,6 +63,10 @@ static bool atkbd_extra; module_param_named(extra, atkbd_extra, bool, 0); MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards"); +static bool atkbd_terminal; +module_param_named(terminal, atkbd_terminal, bool, 0); +MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2"); + /* * Scancode to keycode tables. These are just the default setting, and * are loadable via a userland utility. @@ -136,7 +140,8 @@ static const unsigned short atkbd_unxlate_table[128] = { #define ATKBD_CMD_ENABLE 0x00f4 #define ATKBD_CMD_RESET_DIS 0x00f5 /* Reset to defaults and disable */ #define ATKBD_CMD_RESET_DEF 0x00f6 /* Reset to defaults */ -#define ATKBD_CMD_SETALL_MBR 0x00fa +#define ATKBD_CMD_SETALL_MB 0x00f8 /* Set all keys to give break codes */ +#define ATKBD_CMD_SETALL_MBR 0x00fa /* ... and repeat */ #define ATKBD_CMD_RESET_BAT 0x02ff #define ATKBD_CMD_RESEND 0x00fe #define ATKBD_CMD_EX_ENABLE 0x10ea @@ -764,6 +769,11 @@ static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra } } + if (atkbd_terminal) { + ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MB); + return 3; + } + if (target_set != 3) return 2; diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c index 4b42ffc0532..d1583aea172 100644 --- a/drivers/input/misc/pcf8574_keypad.c +++ b/drivers/input/misc/pcf8574_keypad.c @@ -127,14 +127,6 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2 idev->id.product = 0x0001; idev->id.version = 0x0100; - input_set_drvdata(idev, lp); - - ret = input_register_device(idev); - if (ret) { - dev_err(&client->dev, "input_register_device() failed\n"); - goto fail_register; - } - lp->laststate = read_state(lp); ret = request_threaded_irq(client->irq, NULL, pcf8574_kp_irq_handler, @@ -142,16 +134,21 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2 DRV_NAME, lp); if (ret) { dev_err(&client->dev, "IRQ %d is not free\n", client->irq); - goto fail_irq; + goto fail_free_device; + } + + ret = input_register_device(idev); + if (ret) { + dev_err(&client->dev, "input_register_device() failed\n"); + goto fail_free_irq; } i2c_set_clientdata(client, lp); return 0; - fail_irq: - input_unregister_device(idev); - fail_register: - input_set_drvdata(idev, NULL); + fail_free_irq: + free_irq(client->irq, lp); + fail_free_device: input_free_device(idev); fail_allocate: kfree(lp); diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index ed7ad7416b2..a5475b57708 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -351,6 +351,17 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { }, }, { + /* + * Most (all?) VAIOs do not have external PS/2 ports nor + * they implement active multiplexing properly, and + * MUX discovery usually messes up keyboard/touchpad. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "VAIO"), + }, + }, + { /* Amoi M636/A737 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."), diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c index cd82bb12591..b7ba4597f7f 100644 --- a/drivers/input/serio/serio_raw.c +++ b/drivers/input/serio/serio_raw.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/poll.h> #include <linux/module.h> #include <linux/serio.h> diff --git a/drivers/input/tablet/acecad.c b/drivers/input/tablet/acecad.c index aea9a9399a3..d94f7e9aa99 100644 --- a/drivers/input/tablet/acecad.c +++ b/drivers/input/tablet/acecad.c @@ -229,12 +229,13 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_ err = input_register_device(acecad->input); if (err) - goto fail2; + goto fail3; usb_set_intfdata(intf, acecad); return 0; + fail3: usb_free_urb(acecad->irq); fail2: usb_free_coherent(dev, 8, acecad->data, acecad->data_dma); fail1: input_free_device(input_dev); kfree(acecad); diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c index 57b25b84d1f..0a619c558bf 100644 --- a/drivers/input/tablet/aiptek.c +++ b/drivers/input/tablet/aiptek.c @@ -1097,7 +1097,7 @@ store_tabletPointerMode(struct device *dev, struct device_attribute *attr, const } static DEVICE_ATTR(pointer_mode, - S_IRUGO | S_IWUGO, + S_IRUGO | S_IWUSR, show_tabletPointerMode, store_tabletPointerMode); /*********************************************************************** @@ -1134,7 +1134,7 @@ store_tabletCoordinateMode(struct device *dev, struct device_attribute *attr, co } static DEVICE_ATTR(coordinate_mode, - S_IRUGO | S_IWUGO, + S_IRUGO | S_IWUSR, show_tabletCoordinateMode, store_tabletCoordinateMode); /*********************************************************************** @@ -1176,7 +1176,7 @@ store_tabletToolMode(struct device *dev, struct device_attribute *attr, const ch } static DEVICE_ATTR(tool_mode, - S_IRUGO | S_IWUGO, + S_IRUGO | S_IWUSR, show_tabletToolMode, store_tabletToolMode); /*********************************************************************** @@ -1219,7 +1219,7 @@ store_tabletXtilt(struct device *dev, struct device_attribute *attr, const char } static DEVICE_ATTR(xtilt, - S_IRUGO | S_IWUGO, show_tabletXtilt, store_tabletXtilt); + S_IRUGO | S_IWUSR, show_tabletXtilt, store_tabletXtilt); /*********************************************************************** * support routines for the 'ytilt' file. Note that this file @@ -1261,7 +1261,7 @@ store_tabletYtilt(struct device *dev, struct device_attribute *attr, const char } static DEVICE_ATTR(ytilt, - S_IRUGO | S_IWUGO, show_tabletYtilt, store_tabletYtilt); + S_IRUGO | S_IWUSR, show_tabletYtilt, store_tabletYtilt); /*********************************************************************** * support routines for the 'jitter' file. Note that this file @@ -1288,7 +1288,7 @@ store_tabletJitterDelay(struct device *dev, struct device_attribute *attr, const } static DEVICE_ATTR(jitter, - S_IRUGO | S_IWUGO, + S_IRUGO | S_IWUSR, show_tabletJitterDelay, store_tabletJitterDelay); /*********************************************************************** @@ -1317,7 +1317,7 @@ store_tabletProgrammableDelay(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR(delay, - S_IRUGO | S_IWUGO, + S_IRUGO | S_IWUSR, show_tabletProgrammableDelay, store_tabletProgrammableDelay); /*********************************************************************** @@ -1406,7 +1406,7 @@ store_tabletStylusUpper(struct device *dev, struct device_attribute *attr, const } static DEVICE_ATTR(stylus_upper, - S_IRUGO | S_IWUGO, + S_IRUGO | S_IWUSR, show_tabletStylusUpper, store_tabletStylusUpper); /*********************************************************************** @@ -1437,7 +1437,7 @@ store_tabletStylusLower(struct device *dev, struct device_attribute *attr, const } static DEVICE_ATTR(stylus_lower, - S_IRUGO | S_IWUGO, + S_IRUGO | S_IWUSR, show_tabletStylusLower, store_tabletStylusLower); /*********************************************************************** @@ -1475,7 +1475,7 @@ store_tabletMouseLeft(struct device *dev, struct device_attribute *attr, const c } static DEVICE_ATTR(mouse_left, - S_IRUGO | S_IWUGO, + S_IRUGO | S_IWUSR, show_tabletMouseLeft, store_tabletMouseLeft); /*********************************************************************** @@ -1505,7 +1505,7 @@ store_tabletMouseMiddle(struct device *dev, struct device_attribute *attr, const } static DEVICE_ATTR(mouse_middle, - S_IRUGO | S_IWUGO, + S_IRUGO | S_IWUSR, show_tabletMouseMiddle, store_tabletMouseMiddle); /*********************************************************************** @@ -1535,7 +1535,7 @@ store_tabletMouseRight(struct device *dev, struct device_attribute *attr, const } static DEVICE_ATTR(mouse_right, - S_IRUGO | S_IWUGO, + S_IRUGO | S_IWUSR, show_tabletMouseRight, store_tabletMouseRight); /*********************************************************************** @@ -1567,7 +1567,7 @@ store_tabletWheel(struct device *dev, struct device_attribute *attr, const char } static DEVICE_ATTR(wheel, - S_IRUGO | S_IWUGO, show_tabletWheel, store_tabletWheel); + S_IRUGO | S_IWUSR, show_tabletWheel, store_tabletWheel); /*********************************************************************** * support routines for the 'execute' file. Note that this file @@ -1600,7 +1600,7 @@ store_tabletExecute(struct device *dev, struct device_attribute *attr, const cha } static DEVICE_ATTR(execute, - S_IRUGO | S_IWUGO, show_tabletExecute, store_tabletExecute); + S_IRUGO | S_IWUSR, show_tabletExecute, store_tabletExecute); /*********************************************************************** * support routines for the 'odm_code' file. Note that this file diff --git a/drivers/isdn/hisax/isar.c b/drivers/isdn/hisax/isar.c index 40b914bded8..2e72227bd07 100644 --- a/drivers/isdn/hisax/isar.c +++ b/drivers/isdn/hisax/isar.c @@ -1427,8 +1427,8 @@ modeisar(struct BCState *bcs, int mode, int bc) &bcs->hw.isar.reg->Flags)) bcs->hw.isar.dpath = 1; else { - printk(KERN_WARNING"isar modeisar analog funktions only with DP1\n"); - debugl1(cs, "isar modeisar analog funktions only with DP1"); + printk(KERN_WARNING"isar modeisar analog functions only with DP1\n"); + debugl1(cs, "isar modeisar analog functions only with DP1"); return(1); } break; diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index cc2a88d5192..77b8fd20cd9 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -10,7 +10,7 @@ menuconfig NEW_LEDS if NEW_LEDS config LEDS_CLASS - tristate "LED Class Support" + bool "LED Class Support" help This option enables the led sysfs class in /sys/class/leds. You'll need this to do anything useful with LEDs. If unsure, say N. @@ -176,6 +176,24 @@ config LEDS_LP3944 To compile this driver as a module, choose M here: the module will be called leds-lp3944. +config LEDS_LP5521 + tristate "LED Support for N.S. LP5521 LED driver chip" + depends on LEDS_CLASS && I2C + help + If you say yes here you get support for the National Semiconductor + LP5521 LED driver. It is 3 channel chip with programmable engines. + Driver provides direct control via LED class and interface for + programming the engines. + +config LEDS_LP5523 + tristate "LED Support for N.S. LP5523 LED driver chip" + depends on LEDS_CLASS && I2C + help + If you say yes here you get support for the National Semiconductor + LP5523 LED driver. It is 9 channel chip with programmable engines. + Driver provides direct control via LED class and interface for + programming the engines. + config LEDS_CLEVO_MAIL tristate "Mail LED on Clevo notebook" depends on X86 && SERIO_I8042 && DMI diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 9c96db40ef6..aae6989ff6b 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -23,6 +23,8 @@ obj-$(CONFIG_LEDS_SUNFIRE) += leds-sunfire.o obj-$(CONFIG_LEDS_PCA9532) += leds-pca9532.o obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o obj-$(CONFIG_LEDS_LP3944) += leds-lp3944.o +obj-$(CONFIG_LEDS_LP5521) += leds-lp5521.o +obj-$(CONFIG_LEDS_LP5523) += leds-lp5523.o obj-$(CONFIG_LEDS_CLEVO_MAIL) += leds-clevo-mail.o obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o obj-$(CONFIG_LEDS_FSG) += leds-fsg.o diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 26066007650..211e21f34bd 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -81,6 +81,79 @@ static struct device_attribute led_class_attrs[] = { __ATTR_NULL, }; +static void led_timer_function(unsigned long data) +{ + struct led_classdev *led_cdev = (void *)data; + unsigned long brightness; + unsigned long delay; + + if (!led_cdev->blink_delay_on || !led_cdev->blink_delay_off) { + led_set_brightness(led_cdev, LED_OFF); + return; + } + + brightness = led_get_brightness(led_cdev); + if (!brightness) { + /* Time to switch the LED on. */ + brightness = led_cdev->blink_brightness; + delay = led_cdev->blink_delay_on; + } else { + /* Store the current brightness value to be able + * to restore it when the delay_off period is over. + */ + led_cdev->blink_brightness = brightness; + brightness = LED_OFF; + delay = led_cdev->blink_delay_off; + } + + led_set_brightness(led_cdev, brightness); + + mod_timer(&led_cdev->blink_timer, jiffies + msecs_to_jiffies(delay)); +} + +static void led_stop_software_blink(struct led_classdev *led_cdev) +{ + /* deactivate previous settings */ + del_timer_sync(&led_cdev->blink_timer); + led_cdev->blink_delay_on = 0; + led_cdev->blink_delay_off = 0; +} + +static void led_set_software_blink(struct led_classdev *led_cdev, + unsigned long delay_on, + unsigned long delay_off) +{ + int current_brightness; + + current_brightness = led_get_brightness(led_cdev); + if (current_brightness) + led_cdev->blink_brightness = current_brightness; + if (!led_cdev->blink_brightness) + led_cdev->blink_brightness = led_cdev->max_brightness; + + if (delay_on == led_cdev->blink_delay_on && + delay_off == led_cdev->blink_delay_off) + return; + + led_stop_software_blink(led_cdev); + + led_cdev->blink_delay_on = delay_on; + led_cdev->blink_delay_off = delay_off; + + /* never on - don't blink */ + if (!delay_on) + return; + + /* never off - just set to brightness */ + if (!delay_off) { + led_set_brightness(led_cdev, led_cdev->blink_brightness); + return; + } + + mod_timer(&led_cdev->blink_timer, jiffies + 1); +} + + /** * led_classdev_suspend - suspend an led_classdev. * @led_cdev: the led_classdev to suspend. @@ -148,6 +221,10 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) led_update_brightness(led_cdev); + init_timer(&led_cdev->blink_timer); + led_cdev->blink_timer.function = led_timer_function; + led_cdev->blink_timer.data = (unsigned long)led_cdev; + #ifdef CONFIG_LEDS_TRIGGERS led_trigger_set_default(led_cdev); #endif @@ -157,7 +234,6 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) return 0; } - EXPORT_SYMBOL_GPL(led_classdev_register); /** @@ -175,6 +251,9 @@ void led_classdev_unregister(struct led_classdev *led_cdev) up_write(&led_cdev->trigger_lock); #endif + /* Stop blinking */ + led_brightness_set(led_cdev, LED_OFF); + device_unregister(led_cdev->dev); down_write(&leds_list_lock); @@ -183,6 +262,30 @@ void led_classdev_unregister(struct led_classdev *led_cdev) } EXPORT_SYMBOL_GPL(led_classdev_unregister); +void led_blink_set(struct led_classdev *led_cdev, + unsigned long *delay_on, + unsigned long *delay_off) +{ + if (led_cdev->blink_set && + led_cdev->blink_set(led_cdev, delay_on, delay_off)) + return; + + /* blink with 1 Hz as default if nothing specified */ + if (!*delay_on && !*delay_off) + *delay_on = *delay_off = 500; + + led_set_software_blink(led_cdev, *delay_on, *delay_off); +} +EXPORT_SYMBOL(led_blink_set); + +void led_brightness_set(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + led_stop_software_blink(led_cdev); + led_cdev->brightness_set(led_cdev, brightness); +} +EXPORT_SYMBOL(led_brightness_set); + static int __init leds_init(void) { leds_class = class_create(THIS_MODULE, "leds"); diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index f1c00db88b5..c41eb6180c9 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -113,7 +113,7 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trigger) if (led_cdev->trigger->deactivate) led_cdev->trigger->deactivate(led_cdev); led_cdev->trigger = NULL; - led_set_brightness(led_cdev, LED_OFF); + led_brightness_set(led_cdev, LED_OFF); } if (trigger) { write_lock_irqsave(&trigger->leddev_list_lock, flags); diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index ea57e05d08f..4d9fa38d9ff 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -316,7 +316,7 @@ static struct of_platform_driver of_gpio_leds_driver = { static int __init gpio_led_init(void) { - int ret; + int ret = 0; #ifdef CONFIG_LEDS_GPIO_PLATFORM ret = platform_driver_register(&gpio_led_driver); diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c new file mode 100644 index 00000000000..3782f31f06d --- /dev/null +++ b/drivers/leds/leds-lp5521.c @@ -0,0 +1,821 @@ +/* + * LP5521 LED chip driver. + * + * Copyright (C) 2010 Nokia Corporation + * + * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/i2c.h> +#include <linux/mutex.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/ctype.h> +#include <linux/spinlock.h> +#include <linux/wait.h> +#include <linux/leds.h> +#include <linux/leds-lp5521.h> +#include <linux/workqueue.h> +#include <linux/slab.h> + +#define LP5521_PROGRAM_LENGTH 32 /* in bytes */ + +#define LP5521_MAX_LEDS 3 /* Maximum number of LEDs */ +#define LP5521_MAX_ENGINES 3 /* Maximum number of engines */ + +#define LP5521_ENG_MASK_BASE 0x30 /* 00110000 */ +#define LP5521_ENG_STATUS_MASK 0x07 /* 00000111 */ + +#define LP5521_CMD_LOAD 0x15 /* 00010101 */ +#define LP5521_CMD_RUN 0x2a /* 00101010 */ +#define LP5521_CMD_DIRECT 0x3f /* 00111111 */ +#define LP5521_CMD_DISABLED 0x00 /* 00000000 */ + +/* Registers */ +#define LP5521_REG_ENABLE 0x00 +#define LP5521_REG_OP_MODE 0x01 +#define LP5521_REG_R_PWM 0x02 +#define LP5521_REG_G_PWM 0x03 +#define LP5521_REG_B_PWM 0x04 +#define LP5521_REG_R_CURRENT 0x05 +#define LP5521_REG_G_CURRENT 0x06 +#define LP5521_REG_B_CURRENT 0x07 +#define LP5521_REG_CONFIG 0x08 +#define LP5521_REG_R_CHANNEL_PC 0x09 +#define LP5521_REG_G_CHANNEL_PC 0x0A +#define LP5521_REG_B_CHANNEL_PC 0x0B +#define LP5521_REG_STATUS 0x0C +#define LP5521_REG_RESET 0x0D +#define LP5521_REG_GPO 0x0E +#define LP5521_REG_R_PROG_MEM 0x10 +#define LP5521_REG_G_PROG_MEM 0x30 +#define LP5521_REG_B_PROG_MEM 0x50 + +#define LP5521_PROG_MEM_BASE LP5521_REG_R_PROG_MEM +#define LP5521_PROG_MEM_SIZE 0x20 + +/* Base register to set LED current */ +#define LP5521_REG_LED_CURRENT_BASE LP5521_REG_R_CURRENT + +/* Base register to set the brightness */ +#define LP5521_REG_LED_PWM_BASE LP5521_REG_R_PWM + +/* Bits in ENABLE register */ +#define LP5521_MASTER_ENABLE 0x40 /* Chip master enable */ +#define LP5521_LOGARITHMIC_PWM 0x80 /* Logarithmic PWM adjustment */ +#define LP5521_EXEC_RUN 0x2A + +/* Bits in CONFIG register */ +#define LP5521_PWM_HF 0x40 /* PWM: 0 = 256Hz, 1 = 558Hz */ +#define LP5521_PWRSAVE_EN 0x20 /* 1 = Power save mode */ +#define LP5521_CP_MODE_OFF 0 /* Charge pump (CP) off */ +#define LP5521_CP_MODE_BYPASS 8 /* CP forced to bypass mode */ +#define LP5521_CP_MODE_1X5 0x10 /* CP forced to 1.5x mode */ +#define LP5521_CP_MODE_AUTO 0x18 /* Automatic mode selection */ +#define LP5521_R_TO_BATT 4 /* R out: 0 = CP, 1 = Vbat */ +#define LP5521_CLK_SRC_EXT 0 /* Ext-clk source (CLK_32K) */ +#define LP5521_CLK_INT 1 /* Internal clock */ +#define LP5521_CLK_AUTO 2 /* Automatic clock selection */ + +/* Status */ +#define LP5521_EXT_CLK_USED 0x08 + +struct lp5521_engine { + const struct attribute_group *attributes; + int id; + u8 mode; + u8 prog_page; + u8 engine_mask; +}; + +struct lp5521_led { + int id; + u8 chan_nr; + u8 led_current; + u8 max_current; + struct led_classdev cdev; + struct work_struct brightness_work; + u8 brightness; +}; + +struct lp5521_chip { + struct lp5521_platform_data *pdata; + struct mutex lock; /* Serialize control */ + struct i2c_client *client; + struct lp5521_engine engines[LP5521_MAX_ENGINES]; + struct lp5521_led leds[LP5521_MAX_LEDS]; + u8 num_channels; + u8 num_leds; +}; + +#define cdev_to_led(c) container_of(c, struct lp5521_led, cdev) +#define engine_to_lp5521(eng) container_of((eng), struct lp5521_chip, \ + engines[(eng)->id - 1]) +#define led_to_lp5521(led) container_of((led), struct lp5521_chip, \ + leds[(led)->id]) + +static void lp5521_led_brightness_work(struct work_struct *work); + +static inline int lp5521_write(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} + +static int lp5521_read(struct i2c_client *client, u8 reg, u8 *buf) +{ + s32 ret; + + ret = i2c_smbus_read_byte_data(client, reg); + if (ret < 0) + return -EIO; + + *buf = ret; + return 0; +} + +static int lp5521_set_engine_mode(struct lp5521_engine *engine, u8 mode) +{ + struct lp5521_chip *chip = engine_to_lp5521(engine); + struct i2c_client *client = chip->client; + int ret; + u8 engine_state; + + /* Only transition between RUN and DIRECT mode are handled here */ + if (mode == LP5521_CMD_LOAD) + return 0; + + if (mode == LP5521_CMD_DISABLED) + mode = LP5521_CMD_DIRECT; + + ret = lp5521_read(client, LP5521_REG_OP_MODE, &engine_state); + + /* set mode only for this engine */ + engine_state &= ~(engine->engine_mask); + mode &= engine->engine_mask; + engine_state |= mode; + ret |= lp5521_write(client, LP5521_REG_OP_MODE, engine_state); + + return ret; +} + +static int lp5521_load_program(struct lp5521_engine *eng, const u8 *pattern) +{ + struct lp5521_chip *chip = engine_to_lp5521(eng); + struct i2c_client *client = chip->client; + int ret; + int addr; + u8 mode; + + /* move current engine to direct mode and remember the state */ + ret = lp5521_set_engine_mode(eng, LP5521_CMD_DIRECT); + usleep_range(1000, 10000); + ret |= lp5521_read(client, LP5521_REG_OP_MODE, &mode); + + /* For loading, all the engines to load mode */ + lp5521_write(client, LP5521_REG_OP_MODE, LP5521_CMD_DIRECT); + usleep_range(1000, 10000); + lp5521_write(client, LP5521_REG_OP_MODE, LP5521_CMD_LOAD); + usleep_range(1000, 10000); + + addr = LP5521_PROG_MEM_BASE + eng->prog_page * LP5521_PROG_MEM_SIZE; + i2c_smbus_write_i2c_block_data(client, + addr, + LP5521_PROG_MEM_SIZE, + pattern); + + ret |= lp5521_write(client, LP5521_REG_OP_MODE, mode); + return ret; +} + +static int lp5521_set_led_current(struct lp5521_chip *chip, int led, u8 curr) +{ + return lp5521_write(chip->client, + LP5521_REG_LED_CURRENT_BASE + chip->leds[led].chan_nr, + curr); +} + +static void lp5521_init_engine(struct lp5521_chip *chip, + const struct attribute_group *attr_group) +{ + int i; + for (i = 0; i < ARRAY_SIZE(chip->engines); i++) { + chip->engines[i].id = i + 1; + chip->engines[i].engine_mask = LP5521_ENG_MASK_BASE >> (i * 2); + chip->engines[i].prog_page = i; + chip->engines[i].attributes = &attr_group[i]; + } +} + +static int lp5521_configure(struct i2c_client *client, + const struct attribute_group *attr_group) +{ + struct lp5521_chip *chip = i2c_get_clientdata(client); + int ret; + + lp5521_init_engine(chip, attr_group); + + lp5521_write(client, LP5521_REG_RESET, 0xff); + + usleep_range(10000, 20000); + + /* Set all PWMs to direct control mode */ + ret = lp5521_write(client, LP5521_REG_OP_MODE, 0x3F); + + /* Enable auto-powersave, set charge pump to auto, red to battery */ + ret |= lp5521_write(client, LP5521_REG_CONFIG, + LP5521_PWRSAVE_EN | LP5521_CP_MODE_AUTO | LP5521_R_TO_BATT); + + /* Initialize all channels PWM to zero -> leds off */ + ret |= lp5521_write(client, LP5521_REG_R_PWM, 0); + ret |= lp5521_write(client, LP5521_REG_G_PWM, 0); + ret |= lp5521_write(client, LP5521_REG_B_PWM, 0); + + /* Set engines are set to run state when OP_MODE enables engines */ + ret |= lp5521_write(client, LP5521_REG_ENABLE, + LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM | + LP5521_EXEC_RUN); + /* enable takes 500us */ + usleep_range(500, 20000); + + return ret; +} + +static int lp5521_run_selftest(struct lp5521_chip *chip, char *buf) +{ + int ret; + u8 status; + + ret = lp5521_read(chip->client, LP5521_REG_STATUS, &status); + if (ret < 0) + return ret; + + /* Check that ext clock is really in use if requested */ + if (chip->pdata && chip->pdata->clock_mode == LP5521_CLOCK_EXT) + if ((status & LP5521_EXT_CLK_USED) == 0) + return -EIO; + return 0; +} + +static void lp5521_set_brightness(struct led_classdev *cdev, + enum led_brightness brightness) +{ + struct lp5521_led *led = cdev_to_led(cdev); + led->brightness = (u8)brightness; + schedule_work(&led->brightness_work); +} + +static void lp5521_led_brightness_work(struct work_struct *work) +{ + struct lp5521_led *led = container_of(work, + struct lp5521_led, + brightness_work); + struct lp5521_chip *chip = led_to_lp5521(led); + struct i2c_client *client = chip->client; + + mutex_lock(&chip->lock); + lp5521_write(client, LP5521_REG_LED_PWM_BASE + led->chan_nr, + led->brightness); + mutex_unlock(&chip->lock); +} + +/* Detect the chip by setting its ENABLE register and reading it back. */ +static int lp5521_detect(struct i2c_client *client) +{ + int ret; + u8 buf; + + ret = lp5521_write(client, LP5521_REG_ENABLE, + LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM); + if (ret) + return ret; + usleep_range(1000, 10000); + ret = lp5521_read(client, LP5521_REG_ENABLE, &buf); + if (ret) + return ret; + if (buf != (LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM)) + return -ENODEV; + + return 0; +} + +/* Set engine mode and create appropriate sysfs attributes, if required. */ +static int lp5521_set_mode(struct lp5521_engine *engine, u8 mode) +{ + struct lp5521_chip *chip = engine_to_lp5521(engine); + struct i2c_client *client = chip->client; + struct device *dev = &client->dev; + int ret = 0; + + /* if in that mode already do nothing, except for run */ + if (mode == engine->mode && mode != LP5521_CMD_RUN) + return 0; + + if (mode == LP5521_CMD_RUN) { + ret = lp5521_set_engine_mode(engine, LP5521_CMD_RUN); + } else if (mode == LP5521_CMD_LOAD) { + lp5521_set_engine_mode(engine, LP5521_CMD_DISABLED); + lp5521_set_engine_mode(engine, LP5521_CMD_LOAD); + + ret = sysfs_create_group(&dev->kobj, engine->attributes); + if (ret) + return ret; + } else if (mode == LP5521_CMD_DISABLED) { + lp5521_set_engine_mode(engine, LP5521_CMD_DISABLED); + } + + /* remove load attribute from sysfs if not in load mode */ + if (engine->mode == LP5521_CMD_LOAD && mode != LP5521_CMD_LOAD) + sysfs_remove_group(&dev->kobj, engine->attributes); + + engine->mode = mode; + + return ret; +} + +static int lp5521_do_store_load(struct lp5521_engine *engine, + const char *buf, size_t len) +{ + struct lp5521_chip *chip = engine_to_lp5521(engine); + struct i2c_client *client = chip->client; + int ret, nrchars, offset = 0, i = 0; + char c[3]; + unsigned cmd; + u8 pattern[LP5521_PROGRAM_LENGTH] = {0}; + + while ((offset < len - 1) && (i < LP5521_PROGRAM_LENGTH)) { + /* separate sscanfs because length is working only for %s */ + ret = sscanf(buf + offset, "%2s%n ", c, &nrchars); + ret = sscanf(c, "%2x", &cmd); + if (ret != 1) + goto fail; + pattern[i] = (u8)cmd; + + offset += nrchars; + i++; + } + + /* Each instruction is 16bit long. Check that length is even */ + if (i % 2) + goto fail; + + mutex_lock(&chip->lock); + ret = lp5521_load_program(engine, pattern); + mutex_unlock(&chip->lock); + + if (ret) { + dev_err(&client->dev, "failed loading pattern\n"); + return ret; + } + + return len; +fail: + dev_err(&client->dev, "wrong pattern format\n"); + return -EINVAL; +} + +static ssize_t store_engine_load(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5521_chip *chip = i2c_get_clientdata(client); + return lp5521_do_store_load(&chip->engines[nr - 1], buf, len); +} + +#define store_load(nr) \ +static ssize_t store_engine##nr##_load(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t len) \ +{ \ + return store_engine_load(dev, attr, buf, len, nr); \ +} +store_load(1) +store_load(2) +store_load(3) + +static ssize_t show_engine_mode(struct device *dev, + struct device_attribute *attr, + char *buf, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5521_chip *chip = i2c_get_clientdata(client); + switch (chip->engines[nr - 1].mode) { + case LP5521_CMD_RUN: + return sprintf(buf, "run\n"); + case LP5521_CMD_LOAD: + return sprintf(buf, "load\n"); + case LP5521_CMD_DISABLED: + return sprintf(buf, "disabled\n"); + default: + return sprintf(buf, "disabled\n"); + } +} + +#define show_mode(nr) \ +static ssize_t show_engine##nr##_mode(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_engine_mode(dev, attr, buf, nr); \ +} +show_mode(1) +show_mode(2) +show_mode(3) + +static ssize_t store_engine_mode(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5521_chip *chip = i2c_get_clientdata(client); + struct lp5521_engine *engine = &chip->engines[nr - 1]; + mutex_lock(&chip->lock); + + if (!strncmp(buf, "run", 3)) + lp5521_set_mode(engine, LP5521_CMD_RUN); + else if (!strncmp(buf, "load", 4)) + lp5521_set_mode(engine, LP5521_CMD_LOAD); + else if (!strncmp(buf, "disabled", 8)) + lp5521_set_mode(engine, LP5521_CMD_DISABLED); + + mutex_unlock(&chip->lock); + return len; +} + +#define store_mode(nr) \ +static ssize_t store_engine##nr##_mode(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t len) \ +{ \ + return store_engine_mode(dev, attr, buf, len, nr); \ +} +store_mode(1) +store_mode(2) +store_mode(3) + +static ssize_t show_max_current(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5521_led *led = cdev_to_led(led_cdev); + + return sprintf(buf, "%d\n", led->max_current); +} + +static ssize_t show_current(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5521_led *led = cdev_to_led(led_cdev); + + return sprintf(buf, "%d\n", led->led_current); +} + +static ssize_t store_current(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5521_led *led = cdev_to_led(led_cdev); + struct lp5521_chip *chip = led_to_lp5521(led); + ssize_t ret; + unsigned long curr; + + if (strict_strtoul(buf, 0, &curr)) + return -EINVAL; + + if (curr > led->max_current) + return -EINVAL; + + mutex_lock(&chip->lock); + ret = lp5521_set_led_current(chip, led->id, curr); + mutex_unlock(&chip->lock); + + if (ret < 0) + return ret; + + led->led_current = (u8)curr; + + return len; +} + +static ssize_t lp5521_selftest(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5521_chip *chip = i2c_get_clientdata(client); + int ret; + + mutex_lock(&chip->lock); + ret = lp5521_run_selftest(chip, buf); + mutex_unlock(&chip->lock); + return sprintf(buf, "%s\n", ret ? "FAIL" : "OK"); +} + +/* led class device attributes */ +static DEVICE_ATTR(led_current, S_IRUGO | S_IWUGO, show_current, store_current); +static DEVICE_ATTR(max_current, S_IRUGO , show_max_current, NULL); + +static struct attribute *lp5521_led_attributes[] = { + &dev_attr_led_current.attr, + &dev_attr_max_current.attr, + NULL, +}; + +static struct attribute_group lp5521_led_attribute_group = { + .attrs = lp5521_led_attributes +}; + +/* device attributes */ +static DEVICE_ATTR(engine1_mode, S_IRUGO | S_IWUGO, + show_engine1_mode, store_engine1_mode); +static DEVICE_ATTR(engine2_mode, S_IRUGO | S_IWUGO, + show_engine2_mode, store_engine2_mode); +static DEVICE_ATTR(engine3_mode, S_IRUGO | S_IWUGO, + show_engine3_mode, store_engine3_mode); +static DEVICE_ATTR(engine1_load, S_IWUGO, NULL, store_engine1_load); +static DEVICE_ATTR(engine2_load, S_IWUGO, NULL, store_engine2_load); +static DEVICE_ATTR(engine3_load, S_IWUGO, NULL, store_engine3_load); +static DEVICE_ATTR(selftest, S_IRUGO, lp5521_selftest, NULL); + +static struct attribute *lp5521_attributes[] = { + &dev_attr_engine1_mode.attr, + &dev_attr_engine2_mode.attr, + &dev_attr_engine3_mode.attr, + &dev_attr_selftest.attr, + NULL +}; + +static struct attribute *lp5521_engine1_attributes[] = { + &dev_attr_engine1_load.attr, + NULL +}; + +static struct attribute *lp5521_engine2_attributes[] = { + &dev_attr_engine2_load.attr, + NULL +}; + +static struct attribute *lp5521_engine3_attributes[] = { + &dev_attr_engine3_load.attr, + NULL +}; + +static const struct attribute_group lp5521_group = { + .attrs = lp5521_attributes, +}; + +static const struct attribute_group lp5521_engine_group[] = { + {.attrs = lp5521_engine1_attributes }, + {.attrs = lp5521_engine2_attributes }, + {.attrs = lp5521_engine3_attributes }, +}; + +static int lp5521_register_sysfs(struct i2c_client *client) +{ + struct device *dev = &client->dev; + return sysfs_create_group(&dev->kobj, &lp5521_group); +} + +static void lp5521_unregister_sysfs(struct i2c_client *client) +{ + struct lp5521_chip *chip = i2c_get_clientdata(client); + struct device *dev = &client->dev; + int i; + + sysfs_remove_group(&dev->kobj, &lp5521_group); + + for (i = 0; i < ARRAY_SIZE(chip->engines); i++) { + if (chip->engines[i].mode == LP5521_CMD_LOAD) + sysfs_remove_group(&dev->kobj, + chip->engines[i].attributes); + } + + for (i = 0; i < chip->num_leds; i++) + sysfs_remove_group(&chip->leds[i].cdev.dev->kobj, + &lp5521_led_attribute_group); +} + +static int __init lp5521_init_led(struct lp5521_led *led, + struct i2c_client *client, + int chan, struct lp5521_platform_data *pdata) +{ + struct device *dev = &client->dev; + char name[32]; + int res; + + if (chan >= LP5521_MAX_LEDS) + return -EINVAL; + + if (pdata->led_config[chan].led_current == 0) + return 0; + + led->led_current = pdata->led_config[chan].led_current; + led->max_current = pdata->led_config[chan].max_current; + led->chan_nr = pdata->led_config[chan].chan_nr; + + if (led->chan_nr >= LP5521_MAX_LEDS) { + dev_err(dev, "Use channel numbers between 0 and %d\n", + LP5521_MAX_LEDS - 1); + return -EINVAL; + } + + snprintf(name, sizeof(name), "%s:channel%d", client->name, chan); + led->cdev.brightness_set = lp5521_set_brightness; + led->cdev.name = name; + res = led_classdev_register(dev, &led->cdev); + if (res < 0) { + dev_err(dev, "couldn't register led on channel %d\n", chan); + return res; + } + + res = sysfs_create_group(&led->cdev.dev->kobj, + &lp5521_led_attribute_group); + if (res < 0) { + dev_err(dev, "couldn't register current attribute\n"); + led_classdev_unregister(&led->cdev); + return res; + } + return 0; +} + +static int lp5521_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct lp5521_chip *chip; + struct lp5521_platform_data *pdata; + int ret, i, led; + + chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + i2c_set_clientdata(client, chip); + chip->client = client; + + pdata = client->dev.platform_data; + + if (!pdata) { + dev_err(&client->dev, "no platform data\n"); + ret = -EINVAL; + goto fail1; + } + + mutex_init(&chip->lock); + + chip->pdata = pdata; + + if (pdata->setup_resources) { + ret = pdata->setup_resources(); + if (ret < 0) + goto fail1; + } + + if (pdata->enable) { + pdata->enable(0); + usleep_range(1000, 10000); + pdata->enable(1); + usleep_range(1000, 10000); /* Spec says min 500us */ + } + + ret = lp5521_detect(client); + + if (ret) { + dev_err(&client->dev, "Chip not found\n"); + goto fail2; + } + + dev_info(&client->dev, "%s programmable led chip found\n", id->name); + + ret = lp5521_configure(client, lp5521_engine_group); + if (ret < 0) { + dev_err(&client->dev, "error configuring chip\n"); + goto fail2; + } + + /* Initialize leds */ + chip->num_channels = pdata->num_channels; + chip->num_leds = 0; + led = 0; + for (i = 0; i < pdata->num_channels; i++) { + /* Do not initialize channels that are not connected */ + if (pdata->led_config[i].led_current == 0) + continue; + + ret = lp5521_init_led(&chip->leds[led], client, i, pdata); + if (ret) { + dev_err(&client->dev, "error initializing leds\n"); + goto fail3; + } + chip->num_leds++; + + chip->leds[led].id = led; + /* Set initial LED current */ + lp5521_set_led_current(chip, led, + chip->leds[led].led_current); + + INIT_WORK(&(chip->leds[led].brightness_work), + lp5521_led_brightness_work); + + led++; + } + + ret = lp5521_register_sysfs(client); + if (ret) { + dev_err(&client->dev, "registering sysfs failed\n"); + goto fail3; + } + return ret; +fail3: + for (i = 0; i < chip->num_leds; i++) { + led_classdev_unregister(&chip->leds[i].cdev); + cancel_work_sync(&chip->leds[i].brightness_work); + } +fail2: + if (pdata->enable) + pdata->enable(0); + if (pdata->release_resources) + pdata->release_resources(); +fail1: + kfree(chip); + return ret; +} + +static int lp5521_remove(struct i2c_client *client) +{ + struct lp5521_chip *chip = i2c_get_clientdata(client); + int i; + + lp5521_unregister_sysfs(client); + + for (i = 0; i < chip->num_leds; i++) { + led_classdev_unregister(&chip->leds[i].cdev); + cancel_work_sync(&chip->leds[i].brightness_work); + } + + if (chip->pdata->enable) + chip->pdata->enable(0); + if (chip->pdata->release_resources) + chip->pdata->release_resources(); + kfree(chip); + return 0; +} + +static const struct i2c_device_id lp5521_id[] = { + { "lp5521", 0 }, /* Three channel chip */ + { } +}; +MODULE_DEVICE_TABLE(i2c, lp5521_id); + +static struct i2c_driver lp5521_driver = { + .driver = { + .name = "lp5521", + }, + .probe = lp5521_probe, + .remove = lp5521_remove, + .id_table = lp5521_id, +}; + +static int __init lp5521_init(void) +{ + int ret; + + ret = i2c_add_driver(&lp5521_driver); + + if (ret < 0) + printk(KERN_ALERT "Adding lp5521 driver failed\n"); + + return ret; +} + +static void __exit lp5521_exit(void) +{ + i2c_del_driver(&lp5521_driver); +} + +module_init(lp5521_init); +module_exit(lp5521_exit); + +MODULE_AUTHOR("Mathias Nyman, Yuri Zaporozhets, Samu Onkalo"); +MODULE_DESCRIPTION("LP5521 LED engine"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c new file mode 100644 index 00000000000..1e11fcc08b2 --- /dev/null +++ b/drivers/leds/leds-lp5523.c @@ -0,0 +1,1065 @@ +/* + * lp5523.c - LP5523 LED Driver + * + * Copyright (C) 2010 Nokia Corporation + * + * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/i2c.h> +#include <linux/mutex.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/ctype.h> +#include <linux/spinlock.h> +#include <linux/wait.h> +#include <linux/leds.h> +#include <linux/leds-lp5523.h> +#include <linux/workqueue.h> +#include <linux/slab.h> + +#define LP5523_REG_ENABLE 0x00 +#define LP5523_REG_OP_MODE 0x01 +#define LP5523_REG_RATIOMETRIC_MSB 0x02 +#define LP5523_REG_RATIOMETRIC_LSB 0x03 +#define LP5523_REG_ENABLE_LEDS_MSB 0x04 +#define LP5523_REG_ENABLE_LEDS_LSB 0x05 +#define LP5523_REG_LED_CNTRL_BASE 0x06 +#define LP5523_REG_LED_PWM_BASE 0x16 +#define LP5523_REG_LED_CURRENT_BASE 0x26 +#define LP5523_REG_CONFIG 0x36 +#define LP5523_REG_CHANNEL1_PC 0x37 +#define LP5523_REG_CHANNEL2_PC 0x38 +#define LP5523_REG_CHANNEL3_PC 0x39 +#define LP5523_REG_STATUS 0x3a +#define LP5523_REG_GPO 0x3b +#define LP5523_REG_VARIABLE 0x3c +#define LP5523_REG_RESET 0x3d +#define LP5523_REG_TEMP_CTRL 0x3e +#define LP5523_REG_TEMP_READ 0x3f +#define LP5523_REG_TEMP_WRITE 0x40 +#define LP5523_REG_LED_TEST_CTRL 0x41 +#define LP5523_REG_LED_TEST_ADC 0x42 +#define LP5523_REG_ENG1_VARIABLE 0x45 +#define LP5523_REG_ENG2_VARIABLE 0x46 +#define LP5523_REG_ENG3_VARIABLE 0x47 +#define LP5523_REG_MASTER_FADER1 0x48 +#define LP5523_REG_MASTER_FADER2 0x49 +#define LP5523_REG_MASTER_FADER3 0x4a +#define LP5523_REG_CH1_PROG_START 0x4c +#define LP5523_REG_CH2_PROG_START 0x4d +#define LP5523_REG_CH3_PROG_START 0x4e +#define LP5523_REG_PROG_PAGE_SEL 0x4f +#define LP5523_REG_PROG_MEM 0x50 + +#define LP5523_CMD_LOAD 0x15 /* 00010101 */ +#define LP5523_CMD_RUN 0x2a /* 00101010 */ +#define LP5523_CMD_DISABLED 0x00 /* 00000000 */ + +#define LP5523_ENABLE 0x40 +#define LP5523_AUTO_INC 0x40 +#define LP5523_PWR_SAVE 0x20 +#define LP5523_PWM_PWR_SAVE 0x04 +#define LP5523_CP_1 0x08 +#define LP5523_CP_1_5 0x10 +#define LP5523_CP_AUTO 0x18 +#define LP5523_INT_CLK 0x01 +#define LP5523_AUTO_CLK 0x02 +#define LP5523_EN_LEDTEST 0x80 +#define LP5523_LEDTEST_DONE 0x80 + +#define LP5523_DEFAULT_CURRENT 50 /* microAmps */ +#define LP5523_PROGRAM_LENGTH 32 /* in bytes */ +#define LP5523_PROGRAM_PAGES 6 +#define LP5523_ADC_SHORTCIRC_LIM 80 + +#define LP5523_LEDS 9 +#define LP5523_ENGINES 3 + +#define LP5523_ENG_MASK_BASE 0x30 /* 00110000 */ + +#define LP5523_ENG_STATUS_MASK 0x07 /* 00000111 */ + +#define LP5523_IRQ_FLAGS IRQF_TRIGGER_FALLING + +#define LP5523_EXT_CLK_USED 0x08 + +#define LED_ACTIVE(mux, led) (!!(mux & (0x0001 << led))) +#define SHIFT_MASK(id) (((id) - 1) * 2) + +struct lp5523_engine { + const struct attribute_group *attributes; + int id; + u8 mode; + u8 prog_page; + u8 mux_page; + u16 led_mux; + u8 engine_mask; +}; + +struct lp5523_led { + int id; + u8 chan_nr; + u8 led_current; + u8 max_current; + struct led_classdev cdev; + struct work_struct brightness_work; + u8 brightness; +}; + +struct lp5523_chip { + struct mutex lock; /* Serialize control */ + struct i2c_client *client; + struct lp5523_engine engines[LP5523_ENGINES]; + struct lp5523_led leds[LP5523_LEDS]; + struct lp5523_platform_data *pdata; + u8 num_channels; + u8 num_leds; +}; + +#define cdev_to_led(c) container_of(c, struct lp5523_led, cdev) + +static struct lp5523_chip *engine_to_lp5523(struct lp5523_engine *engine) +{ + return container_of(engine, struct lp5523_chip, + engines[engine->id - 1]); +} + +static struct lp5523_chip *led_to_lp5523(struct lp5523_led *led) +{ + return container_of(led, struct lp5523_chip, + leds[led->id]); +} + +static int lp5523_set_mode(struct lp5523_engine *engine, u8 mode); +static int lp5523_set_engine_mode(struct lp5523_engine *engine, u8 mode); +static int lp5523_load_program(struct lp5523_engine *engine, u8 *pattern); + +static void lp5523_led_brightness_work(struct work_struct *work); + +static int lp5523_write(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} + +static int lp5523_read(struct i2c_client *client, u8 reg, u8 *buf) +{ + s32 ret = i2c_smbus_read_byte_data(client, reg); + + if (ret < 0) + return -EIO; + + *buf = ret; + return 0; +} + +static int lp5523_detect(struct i2c_client *client) +{ + int ret; + u8 buf; + + ret = lp5523_write(client, LP5523_REG_ENABLE, 0x40); + if (ret) + return ret; + ret = lp5523_read(client, LP5523_REG_ENABLE, &buf); + if (ret) + return ret; + if (buf == 0x40) + return 0; + else + return -ENODEV; +} + +static int lp5523_configure(struct i2c_client *client) +{ + struct lp5523_chip *chip = i2c_get_clientdata(client); + int ret = 0; + u8 status; + + /* one pattern per engine setting led mux start and stop addresses */ + u8 pattern[][LP5523_PROGRAM_LENGTH] = { + { 0x9c, 0x30, 0x9c, 0xb0, 0x9d, 0x80, 0xd8, 0x00, 0}, + { 0x9c, 0x40, 0x9c, 0xc0, 0x9d, 0x80, 0xd8, 0x00, 0}, + { 0x9c, 0x50, 0x9c, 0xd0, 0x9d, 0x80, 0xd8, 0x00, 0}, + }; + + lp5523_write(client, LP5523_REG_RESET, 0xff); + + usleep_range(10000, 100000); + + ret |= lp5523_write(client, LP5523_REG_ENABLE, LP5523_ENABLE); + /* Chip startup time after reset is 500 us */ + usleep_range(1000, 10000); + + ret |= lp5523_write(client, LP5523_REG_CONFIG, + LP5523_AUTO_INC | LP5523_PWR_SAVE | + LP5523_CP_AUTO | LP5523_AUTO_CLK | + LP5523_PWM_PWR_SAVE); + + /* turn on all leds */ + ret |= lp5523_write(client, LP5523_REG_ENABLE_LEDS_MSB, 0x01); + ret |= lp5523_write(client, LP5523_REG_ENABLE_LEDS_LSB, 0xff); + + /* hardcode 32 bytes of memory for each engine from program memory */ + ret |= lp5523_write(client, LP5523_REG_CH1_PROG_START, 0x00); + ret |= lp5523_write(client, LP5523_REG_CH2_PROG_START, 0x10); + ret |= lp5523_write(client, LP5523_REG_CH3_PROG_START, 0x20); + + /* write led mux address space for each channel */ + ret |= lp5523_load_program(&chip->engines[0], pattern[0]); + ret |= lp5523_load_program(&chip->engines[1], pattern[1]); + ret |= lp5523_load_program(&chip->engines[2], pattern[2]); + + if (ret) { + dev_err(&client->dev, "could not load mux programs\n"); + return -1; + } + + /* set all engines exec state and mode to run 00101010 */ + ret |= lp5523_write(client, LP5523_REG_ENABLE, + (LP5523_CMD_RUN | LP5523_ENABLE)); + + ret |= lp5523_write(client, LP5523_REG_OP_MODE, LP5523_CMD_RUN); + + if (ret) { + dev_err(&client->dev, "could not start mux programs\n"); + return -1; + } + + /* Wait 3ms and check the engine status */ + usleep_range(3000, 20000); + lp5523_read(client, LP5523_REG_STATUS, &status); + status &= LP5523_ENG_STATUS_MASK; + + if (status == LP5523_ENG_STATUS_MASK) { + dev_dbg(&client->dev, "all engines configured\n"); + } else { + dev_info(&client->dev, "status == %x\n", status); + dev_err(&client->dev, "cound not configure LED engine\n"); + return -1; + } + + dev_info(&client->dev, "disabling engines\n"); + + ret |= lp5523_write(client, LP5523_REG_OP_MODE, LP5523_CMD_DISABLED); + + return ret; +} + +static int lp5523_set_engine_mode(struct lp5523_engine *engine, u8 mode) +{ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + int ret; + u8 engine_state; + + ret = lp5523_read(client, LP5523_REG_OP_MODE, &engine_state); + if (ret) + goto fail; + + engine_state &= ~(engine->engine_mask); + + /* set mode only for this engine */ + mode &= engine->engine_mask; + + engine_state |= mode; + + ret |= lp5523_write(client, LP5523_REG_OP_MODE, engine_state); +fail: + return ret; +} + +static int lp5523_load_mux(struct lp5523_engine *engine, u16 mux) +{ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + int ret = 0; + + ret |= lp5523_set_engine_mode(engine, LP5523_CMD_LOAD); + + ret |= lp5523_write(client, LP5523_REG_PROG_PAGE_SEL, engine->mux_page); + ret |= lp5523_write(client, LP5523_REG_PROG_MEM, + (u8)(mux >> 8)); + ret |= lp5523_write(client, LP5523_REG_PROG_MEM + 1, (u8)(mux)); + engine->led_mux = mux; + + return ret; +} + +static int lp5523_load_program(struct lp5523_engine *engine, u8 *pattern) +{ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + + int ret = 0; + + ret |= lp5523_set_engine_mode(engine, LP5523_CMD_LOAD); + + ret |= lp5523_write(client, LP5523_REG_PROG_PAGE_SEL, + engine->prog_page); + ret |= i2c_smbus_write_i2c_block_data(client, LP5523_REG_PROG_MEM, + LP5523_PROGRAM_LENGTH, pattern); + + return ret; +} + +static int lp5523_run_program(struct lp5523_engine *engine) +{ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + int ret; + + ret = lp5523_write(client, LP5523_REG_ENABLE, + LP5523_CMD_RUN | LP5523_ENABLE); + if (ret) + goto fail; + + ret = lp5523_set_engine_mode(engine, LP5523_CMD_RUN); +fail: + return ret; +} + +static int lp5523_mux_parse(const char *buf, u16 *mux, size_t len) +{ + int i; + u16 tmp_mux = 0; + len = len < LP5523_LEDS ? len : LP5523_LEDS; + for (i = 0; i < len; i++) { + switch (buf[i]) { + case '1': + tmp_mux |= (1 << i); + break; + case '0': + break; + case '\n': + i = len; + break; + default: + return -1; + } + } + *mux = tmp_mux; + + return 0; +} + +static void lp5523_mux_to_array(u16 led_mux, char *array) +{ + int i, pos = 0; + for (i = 0; i < LP5523_LEDS; i++) + pos += sprintf(array + pos, "%x", LED_ACTIVE(led_mux, i)); + + array[pos] = '\0'; +} + +/*--------------------------------------------------------------*/ +/* Sysfs interface */ +/*--------------------------------------------------------------*/ + +static ssize_t show_engine_leds(struct device *dev, + struct device_attribute *attr, + char *buf, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + char mux[LP5523_LEDS + 1]; + + lp5523_mux_to_array(chip->engines[nr - 1].led_mux, mux); + + return sprintf(buf, "%s\n", mux); +} + +#define show_leds(nr) \ +static ssize_t show_engine##nr##_leds(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_engine_leds(dev, attr, buf, nr); \ +} +show_leds(1) +show_leds(2) +show_leds(3) + +static ssize_t store_engine_leds(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + u16 mux = 0; + + if (lp5523_mux_parse(buf, &mux, len)) + return -EINVAL; + + if (lp5523_load_mux(&chip->engines[nr - 1], mux)) + return -EINVAL; + + return len; +} + +#define store_leds(nr) \ +static ssize_t store_engine##nr##_leds(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t len) \ +{ \ + return store_engine_leds(dev, attr, buf, len, nr); \ +} +store_leds(1) +store_leds(2) +store_leds(3) + +static ssize_t lp5523_selftest(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + int i, ret, pos = 0; + int led = 0; + u8 status, adc, vdd; + + mutex_lock(&chip->lock); + + ret = lp5523_read(chip->client, LP5523_REG_STATUS, &status); + if (ret < 0) + goto fail; + + /* Check that ext clock is really in use if requested */ + if ((chip->pdata) && (chip->pdata->clock_mode == LP5523_CLOCK_EXT)) + if ((status & LP5523_EXT_CLK_USED) == 0) + goto fail; + + /* Measure VDD (i.e. VBAT) first (channel 16 corresponds to VDD) */ + lp5523_write(chip->client, LP5523_REG_LED_TEST_CTRL, + LP5523_EN_LEDTEST | 16); + usleep_range(3000, 10000); + ret = lp5523_read(chip->client, LP5523_REG_STATUS, &status); + if (!(status & LP5523_LEDTEST_DONE)) + usleep_range(3000, 10000); + + ret |= lp5523_read(chip->client, LP5523_REG_LED_TEST_ADC, &vdd); + vdd--; /* There may be some fluctuation in measurement */ + + for (i = 0; i < LP5523_LEDS; i++) { + /* Skip non-existing channels */ + if (chip->pdata->led_config[i].led_current == 0) + continue; + + /* Set default current */ + lp5523_write(chip->client, + LP5523_REG_LED_CURRENT_BASE + i, + chip->pdata->led_config[i].led_current); + + lp5523_write(chip->client, LP5523_REG_LED_PWM_BASE + i, 0xff); + /* let current stabilize 2ms before measurements start */ + usleep_range(2000, 10000); + lp5523_write(chip->client, + LP5523_REG_LED_TEST_CTRL, + LP5523_EN_LEDTEST | i); + /* ledtest takes 2.7ms */ + usleep_range(3000, 10000); + ret = lp5523_read(chip->client, LP5523_REG_STATUS, &status); + if (!(status & LP5523_LEDTEST_DONE)) + usleep_range(3000, 10000); + ret |= lp5523_read(chip->client, LP5523_REG_LED_TEST_ADC, &adc); + + if (adc >= vdd || adc < LP5523_ADC_SHORTCIRC_LIM) + pos += sprintf(buf + pos, "LED %d FAIL\n", i); + + lp5523_write(chip->client, LP5523_REG_LED_PWM_BASE + i, 0x00); + + /* Restore current */ + lp5523_write(chip->client, + LP5523_REG_LED_CURRENT_BASE + i, + chip->leds[led].led_current); + led++; + } + if (pos == 0) + pos = sprintf(buf, "OK\n"); + goto release_lock; +fail: + pos = sprintf(buf, "FAIL\n"); + +release_lock: + mutex_unlock(&chip->lock); + + return pos; +} + +static void lp5523_set_brightness(struct led_classdev *cdev, + enum led_brightness brightness) +{ + struct lp5523_led *led = cdev_to_led(cdev); + + led->brightness = (u8)brightness; + + schedule_work(&led->brightness_work); +} + +static void lp5523_led_brightness_work(struct work_struct *work) +{ + struct lp5523_led *led = container_of(work, + struct lp5523_led, + brightness_work); + struct lp5523_chip *chip = led_to_lp5523(led); + struct i2c_client *client = chip->client; + + mutex_lock(&chip->lock); + + lp5523_write(client, LP5523_REG_LED_PWM_BASE + led->chan_nr, + led->brightness); + + mutex_unlock(&chip->lock); +} + +static int lp5523_do_store_load(struct lp5523_engine *engine, + const char *buf, size_t len) +{ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + int ret, nrchars, offset = 0, i = 0; + char c[3]; + unsigned cmd; + u8 pattern[LP5523_PROGRAM_LENGTH] = {0}; + + while ((offset < len - 1) && (i < LP5523_PROGRAM_LENGTH)) { + /* separate sscanfs because length is working only for %s */ + ret = sscanf(buf + offset, "%2s%n ", c, &nrchars); + ret = sscanf(c, "%2x", &cmd); + if (ret != 1) + goto fail; + pattern[i] = (u8)cmd; + + offset += nrchars; + i++; + } + + /* Each instruction is 16bit long. Check that length is even */ + if (i % 2) + goto fail; + + mutex_lock(&chip->lock); + + ret = lp5523_load_program(engine, pattern); + mutex_unlock(&chip->lock); + + if (ret) { + dev_err(&client->dev, "failed loading pattern\n"); + return ret; + } + + return len; +fail: + dev_err(&client->dev, "wrong pattern format\n"); + return -EINVAL; +} + +static ssize_t store_engine_load(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + return lp5523_do_store_load(&chip->engines[nr - 1], buf, len); +} + +#define store_load(nr) \ +static ssize_t store_engine##nr##_load(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t len) \ +{ \ + return store_engine_load(dev, attr, buf, len, nr); \ +} +store_load(1) +store_load(2) +store_load(3) + +static ssize_t show_engine_mode(struct device *dev, + struct device_attribute *attr, + char *buf, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + switch (chip->engines[nr - 1].mode) { + case LP5523_CMD_RUN: + return sprintf(buf, "run\n"); + case LP5523_CMD_LOAD: + return sprintf(buf, "load\n"); + case LP5523_CMD_DISABLED: + return sprintf(buf, "disabled\n"); + default: + return sprintf(buf, "disabled\n"); + } +} + +#define show_mode(nr) \ +static ssize_t show_engine##nr##_mode(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_engine_mode(dev, attr, buf, nr); \ +} +show_mode(1) +show_mode(2) +show_mode(3) + +static ssize_t store_engine_mode(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + struct lp5523_engine *engine = &chip->engines[nr - 1]; + mutex_lock(&chip->lock); + + if (!strncmp(buf, "run", 3)) + lp5523_set_mode(engine, LP5523_CMD_RUN); + else if (!strncmp(buf, "load", 4)) + lp5523_set_mode(engine, LP5523_CMD_LOAD); + else if (!strncmp(buf, "disabled", 8)) + lp5523_set_mode(engine, LP5523_CMD_DISABLED); + + mutex_unlock(&chip->lock); + return len; +} + +#define store_mode(nr) \ +static ssize_t store_engine##nr##_mode(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t len) \ +{ \ + return store_engine_mode(dev, attr, buf, len, nr); \ +} +store_mode(1) +store_mode(2) +store_mode(3) + +static ssize_t show_max_current(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5523_led *led = cdev_to_led(led_cdev); + + return sprintf(buf, "%d\n", led->max_current); +} + +static ssize_t show_current(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5523_led *led = cdev_to_led(led_cdev); + + return sprintf(buf, "%d\n", led->led_current); +} + +static ssize_t store_current(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5523_led *led = cdev_to_led(led_cdev); + struct lp5523_chip *chip = led_to_lp5523(led); + ssize_t ret; + unsigned long curr; + + if (strict_strtoul(buf, 0, &curr)) + return -EINVAL; + + if (curr > led->max_current) + return -EINVAL; + + mutex_lock(&chip->lock); + ret = lp5523_write(chip->client, + LP5523_REG_LED_CURRENT_BASE + led->chan_nr, + (u8)curr); + mutex_unlock(&chip->lock); + + if (ret < 0) + return ret; + + led->led_current = (u8)curr; + + return len; +} + +/* led class device attributes */ +static DEVICE_ATTR(led_current, S_IRUGO | S_IWUGO, show_current, store_current); +static DEVICE_ATTR(max_current, S_IRUGO , show_max_current, NULL); + +static struct attribute *lp5523_led_attributes[] = { + &dev_attr_led_current.attr, + &dev_attr_max_current.attr, + NULL, +}; + +static struct attribute_group lp5523_led_attribute_group = { + .attrs = lp5523_led_attributes +}; + +/* device attributes */ +static DEVICE_ATTR(engine1_mode, S_IRUGO | S_IWUGO, + show_engine1_mode, store_engine1_mode); +static DEVICE_ATTR(engine2_mode, S_IRUGO | S_IWUGO, + show_engine2_mode, store_engine2_mode); +static DEVICE_ATTR(engine3_mode, S_IRUGO | S_IWUGO, + show_engine3_mode, store_engine3_mode); +static DEVICE_ATTR(engine1_leds, S_IRUGO | S_IWUGO, + show_engine1_leds, store_engine1_leds); +static DEVICE_ATTR(engine2_leds, S_IRUGO | S_IWUGO, + show_engine2_leds, store_engine2_leds); +static DEVICE_ATTR(engine3_leds, S_IRUGO | S_IWUGO, + show_engine3_leds, store_engine3_leds); +static DEVICE_ATTR(engine1_load, S_IWUGO, NULL, store_engine1_load); +static DEVICE_ATTR(engine2_load, S_IWUGO, NULL, store_engine2_load); +static DEVICE_ATTR(engine3_load, S_IWUGO, NULL, store_engine3_load); +static DEVICE_ATTR(selftest, S_IRUGO, lp5523_selftest, NULL); + +static struct attribute *lp5523_attributes[] = { + &dev_attr_engine1_mode.attr, + &dev_attr_engine2_mode.attr, + &dev_attr_engine3_mode.attr, + &dev_attr_selftest.attr, + NULL +}; + +static struct attribute *lp5523_engine1_attributes[] = { + &dev_attr_engine1_load.attr, + &dev_attr_engine1_leds.attr, + NULL +}; + +static struct attribute *lp5523_engine2_attributes[] = { + &dev_attr_engine2_load.attr, + &dev_attr_engine2_leds.attr, + NULL +}; + +static struct attribute *lp5523_engine3_attributes[] = { + &dev_attr_engine3_load.attr, + &dev_attr_engine3_leds.attr, + NULL +}; + +static const struct attribute_group lp5523_group = { + .attrs = lp5523_attributes, +}; + +static const struct attribute_group lp5523_engine_group[] = { + {.attrs = lp5523_engine1_attributes }, + {.attrs = lp5523_engine2_attributes }, + {.attrs = lp5523_engine3_attributes }, +}; + +static int lp5523_register_sysfs(struct i2c_client *client) +{ + struct device *dev = &client->dev; + int ret; + + ret = sysfs_create_group(&dev->kobj, &lp5523_group); + if (ret < 0) + return ret; + + return 0; +} + +static void lp5523_unregister_sysfs(struct i2c_client *client) +{ + struct lp5523_chip *chip = i2c_get_clientdata(client); + struct device *dev = &client->dev; + int i; + + sysfs_remove_group(&dev->kobj, &lp5523_group); + + for (i = 0; i < ARRAY_SIZE(chip->engines); i++) + if (chip->engines[i].mode == LP5523_CMD_LOAD) + sysfs_remove_group(&dev->kobj, &lp5523_engine_group[i]); + + for (i = 0; i < chip->num_leds; i++) + sysfs_remove_group(&chip->leds[i].cdev.dev->kobj, + &lp5523_led_attribute_group); +} + +/*--------------------------------------------------------------*/ +/* Set chip operating mode */ +/*--------------------------------------------------------------*/ +static int lp5523_set_mode(struct lp5523_engine *engine, u8 mode) +{ + /* engine to chip */ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + struct device *dev = &client->dev; + int ret = 0; + + /* if in that mode already do nothing, except for run */ + if (mode == engine->mode && mode != LP5523_CMD_RUN) + return 0; + + if (mode == LP5523_CMD_RUN) { + ret = lp5523_run_program(engine); + } else if (mode == LP5523_CMD_LOAD) { + lp5523_set_engine_mode(engine, LP5523_CMD_DISABLED); + lp5523_set_engine_mode(engine, LP5523_CMD_LOAD); + + ret = sysfs_create_group(&dev->kobj, engine->attributes); + if (ret) + return ret; + } else if (mode == LP5523_CMD_DISABLED) { + lp5523_set_engine_mode(engine, LP5523_CMD_DISABLED); + } + + /* remove load attribute from sysfs if not in load mode */ + if (engine->mode == LP5523_CMD_LOAD && mode != LP5523_CMD_LOAD) + sysfs_remove_group(&dev->kobj, engine->attributes); + + engine->mode = mode; + + return ret; +} + +/*--------------------------------------------------------------*/ +/* Probe, Attach, Remove */ +/*--------------------------------------------------------------*/ +static int __init lp5523_init_engine(struct lp5523_engine *engine, int id) +{ + if (id < 1 || id > LP5523_ENGINES) + return -1; + engine->id = id; + engine->engine_mask = LP5523_ENG_MASK_BASE >> SHIFT_MASK(id); + engine->prog_page = id - 1; + engine->mux_page = id + 2; + engine->attributes = &lp5523_engine_group[id - 1]; + + return 0; +} + +static int __init lp5523_init_led(struct lp5523_led *led, struct device *dev, + int chan, struct lp5523_platform_data *pdata) +{ + char name[32]; + int res; + + if (chan >= LP5523_LEDS) + return -EINVAL; + + if (pdata->led_config[chan].led_current) { + led->led_current = pdata->led_config[chan].led_current; + led->max_current = pdata->led_config[chan].max_current; + led->chan_nr = pdata->led_config[chan].chan_nr; + + if (led->chan_nr >= LP5523_LEDS) { + dev_err(dev, "Use channel numbers between 0 and %d\n", + LP5523_LEDS - 1); + return -EINVAL; + } + + snprintf(name, 32, "lp5523:channel%d", chan); + + led->cdev.name = name; + led->cdev.brightness_set = lp5523_set_brightness; + res = led_classdev_register(dev, &led->cdev); + if (res < 0) { + dev_err(dev, "couldn't register led on channel %d\n", + chan); + return res; + } + res = sysfs_create_group(&led->cdev.dev->kobj, + &lp5523_led_attribute_group); + if (res < 0) { + dev_err(dev, "couldn't register current attribute\n"); + led_classdev_unregister(&led->cdev); + return res; + } + } else { + led->led_current = 0; + } + return 0; +} + +static struct i2c_driver lp5523_driver; + +static int lp5523_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct lp5523_chip *chip; + struct lp5523_platform_data *pdata; + int ret, i, led; + + chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + i2c_set_clientdata(client, chip); + chip->client = client; + + pdata = client->dev.platform_data; + + if (!pdata) { + dev_err(&client->dev, "no platform data\n"); + ret = -EINVAL; + goto fail1; + } + + mutex_init(&chip->lock); + + chip->pdata = pdata; + + if (pdata->setup_resources) { + ret = pdata->setup_resources(); + if (ret < 0) + goto fail1; + } + + if (pdata->enable) { + pdata->enable(0); + usleep_range(1000, 10000); + pdata->enable(1); + usleep_range(1000, 10000); /* Spec says min 500us */ + } + + ret = lp5523_detect(client); + if (ret) + goto fail2; + + dev_info(&client->dev, "LP5523 Programmable led chip found\n"); + + /* Initialize engines */ + for (i = 0; i < ARRAY_SIZE(chip->engines); i++) { + ret = lp5523_init_engine(&chip->engines[i], i + 1); + if (ret) { + dev_err(&client->dev, "error initializing engine\n"); + goto fail2; + } + } + ret = lp5523_configure(client); + if (ret < 0) { + dev_err(&client->dev, "error configuring chip\n"); + goto fail2; + } + + /* Initialize leds */ + chip->num_channels = pdata->num_channels; + chip->num_leds = 0; + led = 0; + for (i = 0; i < pdata->num_channels; i++) { + /* Do not initialize channels that are not connected */ + if (pdata->led_config[i].led_current == 0) + continue; + + ret = lp5523_init_led(&chip->leds[led], &client->dev, i, pdata); + if (ret) { + dev_err(&client->dev, "error initializing leds\n"); + goto fail3; + } + chip->num_leds++; + + chip->leds[led].id = led; + /* Set LED current */ + lp5523_write(client, + LP5523_REG_LED_CURRENT_BASE + chip->leds[led].chan_nr, + chip->leds[led].led_current); + + INIT_WORK(&(chip->leds[led].brightness_work), + lp5523_led_brightness_work); + + led++; + } + + ret = lp5523_register_sysfs(client); + if (ret) { + dev_err(&client->dev, "registering sysfs failed\n"); + goto fail3; + } + return ret; +fail3: + for (i = 0; i < chip->num_leds; i++) { + led_classdev_unregister(&chip->leds[i].cdev); + cancel_work_sync(&chip->leds[i].brightness_work); + } +fail2: + if (pdata->enable) + pdata->enable(0); + if (pdata->release_resources) + pdata->release_resources(); +fail1: + kfree(chip); + return ret; +} + +static int lp5523_remove(struct i2c_client *client) +{ + struct lp5523_chip *chip = i2c_get_clientdata(client); + int i; + + lp5523_unregister_sysfs(client); + + for (i = 0; i < chip->num_leds; i++) { + led_classdev_unregister(&chip->leds[i].cdev); + cancel_work_sync(&chip->leds[i].brightness_work); + } + + if (chip->pdata->enable) + chip->pdata->enable(0); + if (chip->pdata->release_resources) + chip->pdata->release_resources(); + kfree(chip); + return 0; +} + +static const struct i2c_device_id lp5523_id[] = { + { "lp5523", 0 }, + { } +}; + +MODULE_DEVICE_TABLE(i2c, lp5523_id); + +static struct i2c_driver lp5523_driver = { + .driver = { + .name = "lp5523", + }, + .probe = lp5523_probe, + .remove = lp5523_remove, + .id_table = lp5523_id, +}; + +static int __init lp5523_init(void) +{ + int ret; + + ret = i2c_add_driver(&lp5523_driver); + + if (ret < 0) + printk(KERN_ALERT "Adding lp5523 driver failed\n"); + + return ret; +} + +static void __exit lp5523_exit(void) +{ + i2c_del_driver(&lp5523_driver); +} + +module_init(lp5523_init); +module_exit(lp5523_exit); + +MODULE_AUTHOR("Mathias Nyman <mathias.nyman@nokia.com>"); +MODULE_DESCRIPTION("LP5523 LED engine"); +MODULE_LICENSE("GPL"); diff --git a/drivers/leds/leds-net5501.c b/drivers/leds/leds-net5501.c index 3063f591f0d..1739557a903 100644 --- a/drivers/leds/leds-net5501.c +++ b/drivers/leds/leds-net5501.c @@ -92,3 +92,5 @@ unmap: } arch_initcall(soekris_init); + +MODULE_LICENSE("GPL"); diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c index 82b77bd482f..b09bcbeade9 100644 --- a/drivers/leds/ledtrig-timer.c +++ b/drivers/leds/ledtrig-timer.c @@ -12,73 +12,25 @@ */ #include <linux/module.h> -#include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/list.h> -#include <linux/spinlock.h> #include <linux/device.h> -#include <linux/sysdev.h> -#include <linux/timer.h> #include <linux/ctype.h> #include <linux/leds.h> -#include <linux/slab.h> #include "leds.h" -struct timer_trig_data { - int brightness_on; /* LED brightness during "on" period. - * (LED_OFF < brightness_on <= LED_FULL) - */ - unsigned long delay_on; /* milliseconds on */ - unsigned long delay_off; /* milliseconds off */ - struct timer_list timer; -}; - -static void led_timer_function(unsigned long data) -{ - struct led_classdev *led_cdev = (struct led_classdev *) data; - struct timer_trig_data *timer_data = led_cdev->trigger_data; - unsigned long brightness; - unsigned long delay; - - if (!timer_data->delay_on || !timer_data->delay_off) { - led_set_brightness(led_cdev, LED_OFF); - return; - } - - brightness = led_get_brightness(led_cdev); - if (!brightness) { - /* Time to switch the LED on. */ - brightness = timer_data->brightness_on; - delay = timer_data->delay_on; - } else { - /* Store the current brightness value to be able - * to restore it when the delay_off period is over. - */ - timer_data->brightness_on = brightness; - brightness = LED_OFF; - delay = timer_data->delay_off; - } - - led_set_brightness(led_cdev, brightness); - - mod_timer(&timer_data->timer, jiffies + msecs_to_jiffies(delay)); -} - static ssize_t led_delay_on_show(struct device *dev, struct device_attribute *attr, char *buf) { struct led_classdev *led_cdev = dev_get_drvdata(dev); - struct timer_trig_data *timer_data = led_cdev->trigger_data; - return sprintf(buf, "%lu\n", timer_data->delay_on); + return sprintf(buf, "%lu\n", led_cdev->blink_delay_on); } static ssize_t led_delay_on_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { struct led_classdev *led_cdev = dev_get_drvdata(dev); - struct timer_trig_data *timer_data = led_cdev->trigger_data; int ret = -EINVAL; char *after; unsigned long state = simple_strtoul(buf, &after, 10); @@ -88,21 +40,7 @@ static ssize_t led_delay_on_store(struct device *dev, count++; if (count == size) { - if (timer_data->delay_on != state) { - /* the new value differs from the previous */ - timer_data->delay_on = state; - - /* deactivate previous settings */ - del_timer_sync(&timer_data->timer); - - /* try to activate hardware acceleration, if any */ - if (!led_cdev->blink_set || - led_cdev->blink_set(led_cdev, - &timer_data->delay_on, &timer_data->delay_off)) { - /* no hardware acceleration, blink via timer */ - mod_timer(&timer_data->timer, jiffies + 1); - } - } + led_blink_set(led_cdev, &state, &led_cdev->blink_delay_off); ret = count; } @@ -113,16 +51,14 @@ static ssize_t led_delay_off_show(struct device *dev, struct device_attribute *attr, char *buf) { struct led_classdev *led_cdev = dev_get_drvdata(dev); - struct timer_trig_data *timer_data = led_cdev->trigger_data; - return sprintf(buf, "%lu\n", timer_data->delay_off); + return sprintf(buf, "%lu\n", led_cdev->blink_delay_off); } static ssize_t led_delay_off_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { struct led_classdev *led_cdev = dev_get_drvdata(dev); - struct timer_trig_data *timer_data = led_cdev->trigger_data; int ret = -EINVAL; char *after; unsigned long state = simple_strtoul(buf, &after, 10); @@ -132,21 +68,7 @@ static ssize_t led_delay_off_store(struct device *dev, count++; if (count == size) { - if (timer_data->delay_off != state) { - /* the new value differs from the previous */ - timer_data->delay_off = state; - - /* deactivate previous settings */ - del_timer_sync(&timer_data->timer); - - /* try to activate hardware acceleration, if any */ - if (!led_cdev->blink_set || - led_cdev->blink_set(led_cdev, - &timer_data->delay_on, &timer_data->delay_off)) { - /* no hardware acceleration, blink via timer */ - mod_timer(&timer_data->timer, jiffies + 1); - } - } + led_blink_set(led_cdev, &led_cdev->blink_delay_on, &state); ret = count; } @@ -158,60 +80,34 @@ static DEVICE_ATTR(delay_off, 0644, led_delay_off_show, led_delay_off_store); static void timer_trig_activate(struct led_classdev *led_cdev) { - struct timer_trig_data *timer_data; int rc; - timer_data = kzalloc(sizeof(struct timer_trig_data), GFP_KERNEL); - if (!timer_data) - return; - - timer_data->brightness_on = led_get_brightness(led_cdev); - if (timer_data->brightness_on == LED_OFF) - timer_data->brightness_on = led_cdev->max_brightness; - led_cdev->trigger_data = timer_data; - - init_timer(&timer_data->timer); - timer_data->timer.function = led_timer_function; - timer_data->timer.data = (unsigned long) led_cdev; + led_cdev->trigger_data = NULL; rc = device_create_file(led_cdev->dev, &dev_attr_delay_on); if (rc) - goto err_out; + return; rc = device_create_file(led_cdev->dev, &dev_attr_delay_off); if (rc) goto err_out_delayon; - /* If there is hardware support for blinking, start one - * user friendly blink rate chosen by the driver. - */ - if (led_cdev->blink_set) - led_cdev->blink_set(led_cdev, - &timer_data->delay_on, &timer_data->delay_off); + led_cdev->trigger_data = (void *)1; return; err_out_delayon: device_remove_file(led_cdev->dev, &dev_attr_delay_on); -err_out: - led_cdev->trigger_data = NULL; - kfree(timer_data); } static void timer_trig_deactivate(struct led_classdev *led_cdev) { - struct timer_trig_data *timer_data = led_cdev->trigger_data; - unsigned long on = 0, off = 0; - - if (timer_data) { + if (led_cdev->trigger_data) { device_remove_file(led_cdev->dev, &dev_attr_delay_on); device_remove_file(led_cdev->dev, &dev_attr_delay_off); - del_timer_sync(&timer_data->timer); - kfree(timer_data); } - /* If there is hardware support for blinking, stop it */ - if (led_cdev->blink_set) - led_cdev->blink_set(led_cdev, &on, &off); + /* Stop blinking */ + led_brightness_set(led_cdev, LED_OFF); } static struct led_trigger timer_led_trigger = { diff --git a/drivers/macintosh/adb-iop.c b/drivers/macintosh/adb-iop.c index 44469662517..f5f4da3d0b6 100644 --- a/drivers/macintosh/adb-iop.c +++ b/drivers/macintosh/adb-iop.c @@ -80,7 +80,7 @@ static void adb_iop_end_req(struct adb_request *req, int state) static void adb_iop_complete(struct iop_msg *msg) { struct adb_request *req; - uint flags; + unsigned long flags; local_irq_save(flags); @@ -103,7 +103,7 @@ static void adb_iop_listen(struct iop_msg *msg) { struct adb_iopmsg *amsg = (struct adb_iopmsg *) msg->message; struct adb_request *req; - uint flags; + unsigned long flags; #ifdef DEBUG_ADB_IOP int i; #endif diff --git a/drivers/md/md.c b/drivers/md/md.c index 4e957f3140a..324a3663fcd 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -706,7 +706,7 @@ static struct mdk_personality *find_pers(int level, char *clevel) /* return the offset of the super block in 512byte sectors */ static inline sector_t calc_dev_sboffset(struct block_device *bdev) { - sector_t num_sectors = bdev->bd_inode->i_size / 512; + sector_t num_sectors = i_size_read(bdev->bd_inode) / 512; return MD_NEW_SIZE_SECTORS(num_sectors); } @@ -1386,7 +1386,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version) */ switch(minor_version) { case 0: - sb_start = rdev->bdev->bd_inode->i_size >> 9; + sb_start = i_size_read(rdev->bdev->bd_inode) >> 9; sb_start -= 8*2; sb_start &= ~(sector_t)(4*2-1); break; @@ -1472,7 +1472,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version) ret = 0; } if (minor_version) - rdev->sectors = (rdev->bdev->bd_inode->i_size >> 9) - + rdev->sectors = (i_size_read(rdev->bdev->bd_inode) >> 9) - le64_to_cpu(sb->data_offset); else rdev->sectors = rdev->sb_start; @@ -1680,7 +1680,7 @@ super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors) return 0; /* component must fit device */ if (rdev->sb_start < rdev->data_offset) { /* minor versions 1 and 2; superblock before data */ - max_sectors = rdev->bdev->bd_inode->i_size >> 9; + max_sectors = i_size_read(rdev->bdev->bd_inode) >> 9; max_sectors -= rdev->data_offset; if (!num_sectors || num_sectors > max_sectors) num_sectors = max_sectors; @@ -1690,7 +1690,7 @@ super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors) } else { /* minor version 0; superblock after data */ sector_t sb_start; - sb_start = (rdev->bdev->bd_inode->i_size >> 9) - 8*2; + sb_start = (i_size_read(rdev->bdev->bd_inode) >> 9) - 8*2; sb_start &= ~(sector_t)(4*2 - 1); max_sectors = rdev->sectors + sb_start - rdev->sb_start; if (!num_sectors || num_sectors > max_sectors) @@ -2584,7 +2584,7 @@ rdev_size_store(mdk_rdev_t *rdev, const char *buf, size_t len) if (!sectors) return -EBUSY; } else if (!sectors) - sectors = (rdev->bdev->bd_inode->i_size >> 9) - + sectors = (i_size_read(rdev->bdev->bd_inode) >> 9) - rdev->data_offset; } if (sectors < my_mddev->dev_sectors) @@ -2797,7 +2797,7 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi kobject_init(&rdev->kobj, &rdev_ktype); - size = rdev->bdev->bd_inode->i_size >> BLOCK_SIZE_BITS; + size = i_size_read(rdev->bdev->bd_inode) >> BLOCK_SIZE_BITS; if (!size) { printk(KERN_WARNING "md: %s has zero or unknown size, marking faulty!\n", @@ -5235,8 +5235,8 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info) if (!mddev->persistent) { printk(KERN_INFO "md: nonpersistent superblock ...\n"); - rdev->sb_start = rdev->bdev->bd_inode->i_size / 512; - } else + rdev->sb_start = i_size_read(rdev->bdev->bd_inode) / 512; + } else rdev->sb_start = calc_dev_sboffset(rdev->bdev); rdev->sectors = rdev->sb_start; @@ -5306,7 +5306,7 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev) if (mddev->persistent) rdev->sb_start = calc_dev_sboffset(rdev->bdev); else - rdev->sb_start = rdev->bdev->bd_inode->i_size / 512; + rdev->sb_start = i_size_read(rdev->bdev->bd_inode) / 512; rdev->sectors = rdev->sb_start; diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index bad2cedb8d9..a28541b2b1a 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -19,7 +19,6 @@ comment "Multimedia core support" config VIDEO_DEV tristate "Video For Linux" - depends on BKL # used in many drivers for ioctl handling, need to kill ---help--- V4L core support for video capture and overlay devices, webcams and AM/FM radio cards. diff --git a/drivers/media/common/saa7146_i2c.c b/drivers/media/common/saa7146_i2c.c index 3d88542612e..74ee172b5bc 100644 --- a/drivers/media/common/saa7146_i2c.c +++ b/drivers/media/common/saa7146_i2c.c @@ -391,7 +391,6 @@ static int saa7146_i2c_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, in /*****************************************************************************/ /* i2c-adapter helper functions */ -#include <linux/i2c-id.h> /* exported algorithm data */ static struct i2c_algorithm saa7146_algo = { diff --git a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c index 4d0646da608..7ea517b7e18 100644 --- a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c @@ -36,7 +36,6 @@ #include <linux/delay.h> #include <linux/spinlock.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/kthread.h> #include "dvb_ca_en50221.h" diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 1589d5a5cb4..cad6634610e 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -36,7 +36,6 @@ #include <linux/list.h> #include <linux/freezer.h> #include <linux/jiffies.h> -#include <linux/smp_lock.h> #include <linux/kthread.h> #include <asm/processor.h> diff --git a/drivers/media/dvb/frontends/dibx000_common.c b/drivers/media/dvb/frontends/dibx000_common.c index a4991026254..2311c0a3406 100644 --- a/drivers/media/dvb/frontends/dibx000_common.c +++ b/drivers/media/dvb/frontends/dibx000_common.c @@ -130,6 +130,7 @@ static int i2c_adapter_init(struct i2c_adapter *i2c_adap, struct dibx000_i2c_master *mst) { strncpy(i2c_adap->name, name, sizeof(i2c_adap->name)); + i2c_adap->algo = algo; i2c_adap->algo_data = NULL; i2c_set_adapdata(i2c_adap, mst); if (i2c_add_adapter(i2c_adap) < 0) diff --git a/drivers/media/dvb/ngene/ngene-core.c b/drivers/media/dvb/ngene/ngene-core.c index 4caeb163a66..3a7ef71087b 100644 --- a/drivers/media/dvb/ngene/ngene-core.c +++ b/drivers/media/dvb/ngene/ngene-core.c @@ -34,7 +34,6 @@ #include <linux/io.h> #include <asm/div64.h> #include <linux/pci.h> -#include <linux/smp_lock.h> #include <linux/timer.h> #include <linux/byteorder/generic.h> #include <linux/firmware.h> diff --git a/drivers/media/dvb/ngene/ngene-dvb.c b/drivers/media/dvb/ngene/ngene-dvb.c index 48f980b21d6..3832e5983c1 100644 --- a/drivers/media/dvb/ngene/ngene-dvb.c +++ b/drivers/media/dvb/ngene/ngene-dvb.c @@ -35,7 +35,6 @@ #include <linux/io.h> #include <asm/div64.h> #include <linux/pci.h> -#include <linux/smp_lock.h> #include <linux/timer.h> #include <linux/byteorder/generic.h> #include <linux/firmware.h> diff --git a/drivers/media/dvb/ngene/ngene-i2c.c b/drivers/media/dvb/ngene/ngene-i2c.c index c3ae956714e..d28554f8ce9 100644 --- a/drivers/media/dvb/ngene/ngene-i2c.c +++ b/drivers/media/dvb/ngene/ngene-i2c.c @@ -37,7 +37,6 @@ #include <asm/div64.h> #include <linux/pci.h> #include <linux/pci_ids.h> -#include <linux/smp_lock.h> #include <linux/timer.h> #include <linux/byteorder/generic.h> #include <linux/firmware.h> diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c index b540e8072e9..e6b2d085a44 100644 --- a/drivers/media/radio/radio-mr800.c +++ b/drivers/media/radio/radio-mr800.c @@ -58,7 +58,6 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/input.h> #include <linux/videodev2.h> #include <media/v4l2-device.h> diff --git a/drivers/media/radio/si470x/radio-si470x.h b/drivers/media/radio/si470x/radio-si470x.h index ea12782359a..b9914d7a0c9 100644 --- a/drivers/media/radio/si470x/radio-si470x.h +++ b/drivers/media/radio/si470x/radio-si470x.h @@ -31,7 +31,6 @@ #include <linux/init.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/input.h> #include <linux/version.h> #include <linux/videodev2.h> diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index 3da6e80e104..a529619e51f 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -42,7 +42,6 @@ #include <linux/fs.h> #include <linux/kernel.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kdev_t.h> #include "bttvp.h" diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c index 2934770dacc..7bc36670071 100644 --- a/drivers/media/video/cafe_ccic.c +++ b/drivers/media/video/cafe_ccic.c @@ -2065,8 +2065,9 @@ static int cafe_pci_probe(struct pci_dev *pdev, sensor_cfg.clock_speed = 45; cam->sensor_addr = 0x42; - cam->sensor = v4l2_i2c_new_subdev(&cam->v4l2_dev, &cam->i2c_adapter, - NULL, "ov7670", cam->sensor_addr, NULL); + cam->sensor = v4l2_i2c_new_subdev_cfg(&cam->v4l2_dev, &cam->i2c_adapter, + "ov7670", "ov7670", 0, &sensor_cfg, cam->sensor_addr, + NULL); if (cam->sensor == NULL) { ret = -ENODEV; goto out_smbus; diff --git a/drivers/media/video/cx231xx/cx231xx-417.c b/drivers/media/video/cx231xx/cx231xx-417.c index aab21f3ce47..4c7cac3b625 100644 --- a/drivers/media/video/cx231xx/cx231xx-417.c +++ b/drivers/media/video/cx231xx/cx231xx-417.c @@ -31,7 +31,6 @@ #include <linux/delay.h> #include <linux/device.h> #include <linux/firmware.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> @@ -1927,10 +1926,9 @@ static int mpeg_open(struct file *file) dev = h; } - if (dev == NULL) { - unlock_kernel(); + if (dev == NULL) return -ENODEV; - } + mutex_lock(&dev->lock); /* allocate + initialize per filehandle data */ diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c index a6cc12f8736..9a98dc55f65 100644 --- a/drivers/media/video/cx23885/cx23885-417.c +++ b/drivers/media/video/cx23885/cx23885-417.c @@ -31,7 +31,6 @@ #include <linux/delay.h> #include <linux/device.h> #include <linux/firmware.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> @@ -1576,12 +1575,8 @@ static int mpeg_open(struct file *file) /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh), GFP_KERNEL); - if (NULL == fh) { - unlock_kernel(); + if (!fh) return -ENOMEM; - } - - lock_kernel(); file->private_data = fh; fh->dev = dev; @@ -1592,8 +1587,6 @@ static int mpeg_open(struct file *file) V4L2_FIELD_INTERLACED, sizeof(struct cx23885_buffer), fh, NULL); - unlock_kernel(); - return 0; } diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index 93af9c65b48..3cc9f462d08 100644 --- a/drivers/media/video/cx23885/cx23885-video.c +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -26,7 +26,6 @@ #include <linux/kmod.h> #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/kthread.h> @@ -743,8 +742,6 @@ static int video_open(struct file *file) if (NULL == fh) return -ENOMEM; - lock_kernel(); - file->private_data = fh; fh->dev = dev; fh->radio = radio; @@ -762,8 +759,6 @@ static int video_open(struct file *file) dprintk(1, "post videobuf_queue_init()\n"); - unlock_kernel(); - return 0; } diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index 417d1d5c73c..d7c94848249 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -33,7 +33,6 @@ #include <linux/delay.h> #include <linux/device.h> #include <linux/firmware.h> -#include <linux/smp_lock.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> #include <media/cx2341x.h> diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index d2f159daa8b..88b51194f91 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -31,7 +31,6 @@ #include <linux/kmod.h> #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/dma-mapping.h> #include <linux/delay.h> diff --git a/drivers/media/video/imx074.c b/drivers/media/video/imx074.c index 380e459f899..27b5dfdfbb9 100644 --- a/drivers/media/video/imx074.c +++ b/drivers/media/video/imx074.c @@ -451,7 +451,6 @@ static int imx074_probe(struct i2c_client *client, ret = imx074_video_probe(icd, client); if (ret < 0) { icd->ops = NULL; - i2c_set_clientdata(client, NULL); kfree(priv); return ret; } @@ -468,7 +467,6 @@ static int imx074_remove(struct i2c_client *client) icd->ops = NULL; if (icl->free_bus) icl->free_bus(icl); - i2c_set_clientdata(client, NULL); client->driver = NULL; kfree(priv); diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c index 5a000c65ae9..ce4a7537590 100644 --- a/drivers/media/video/ir-kbd-i2c.c +++ b/drivers/media/video/ir-kbd-i2c.c @@ -44,7 +44,6 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/i2c.h> -#include <linux/i2c-id.h> #include <linux/workqueue.h> #include <media/ir-core.h> diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c index 4a27862da30..072bd2d1cfa 100644 --- a/drivers/media/video/mx2_camera.c +++ b/drivers/media/video/mx2_camera.c @@ -31,6 +31,7 @@ #include <media/v4l2-common.h> #include <media/v4l2-dev.h> +#include <media/videobuf-core.h> #include <media/videobuf-dma-contig.h> #include <media/soc_camera.h> #include <media/soc_mediabus.h> @@ -903,8 +904,6 @@ static int mx2_camera_set_crop(struct soc_camera_device *icd, static int mx2_camera_set_fmt(struct soc_camera_device *icd, struct v4l2_format *f) { - struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); - struct mx2_camera_dev *pcdev = ici->priv; struct v4l2_subdev *sd = soc_camera_to_subdev(icd); const struct soc_camera_format_xlate *xlate; struct v4l2_pix_format *pix = &f->fmt.pix; @@ -943,8 +942,6 @@ static int mx2_camera_set_fmt(struct soc_camera_device *icd, static int mx2_camera_try_fmt(struct soc_camera_device *icd, struct v4l2_format *f) { - struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); - struct mx2_camera_dev *pcdev = ici->priv; struct v4l2_subdev *sd = soc_camera_to_subdev(icd); const struct soc_camera_format_xlate *xlate; struct v4l2_pix_format *pix = &f->fmt.pix; @@ -1024,13 +1021,13 @@ static int mx2_camera_querycap(struct soc_camera_host *ici, return 0; } -static int mx2_camera_reqbufs(struct soc_camera_file *icf, +static int mx2_camera_reqbufs(struct soc_camera_device *icd, struct v4l2_requestbuffers *p) { int i; for (i = 0; i < p->count; i++) { - struct mx2_buffer *buf = container_of(icf->vb_vidq.bufs[i], + struct mx2_buffer *buf = container_of(icd->vb_vidq.bufs[i], struct mx2_buffer, vb); INIT_LIST_HEAD(&buf->vb.queue); } @@ -1151,9 +1148,9 @@ err_out: static unsigned int mx2_camera_poll(struct file *file, poll_table *pt) { - struct soc_camera_file *icf = file->private_data; + struct soc_camera_device *icd = file->private_data; - return videobuf_poll_stream(file, &icf->vb_vidq, pt); + return videobuf_poll_stream(file, &icd->vb_vidq, pt); } static struct soc_camera_host_ops mx2_soc_camera_host_ops = { diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c index 29c5fc34813..aa871c2936b 100644 --- a/drivers/media/video/mx3_camera.c +++ b/drivers/media/video/mx3_camera.c @@ -27,6 +27,7 @@ #include <mach/ipu.h> #include <mach/mx3_camera.h> +#include <mach/dma.h> #define MX3_CAM_DRV_NAME "mx3-camera" @@ -638,6 +639,9 @@ static bool chan_filter(struct dma_chan *chan, void *arg) struct dma_chan_request *rq = arg; struct mx3_camera_pdata *pdata; + if (!imx_dma_is_ipu(chan)) + return false; + if (!rq) return false; diff --git a/drivers/media/video/omap1_camera.c b/drivers/media/video/omap1_camera.c index 7c30e62b50d..cbfd07f2d9d 100644 --- a/drivers/media/video/omap1_camera.c +++ b/drivers/media/video/omap1_camera.c @@ -235,7 +235,7 @@ static void free_buffer(struct videobuf_queue *vq, struct omap1_cam_buf *buf, BUG_ON(in_interrupt()); - videobuf_waiton(vb, 0, 0); + videobuf_waiton(vq, vb, 0, 0); if (vb_mode == OMAP1_CAM_DMA_CONTIG) { videobuf_dma_contig_free(vq, vb); @@ -504,7 +504,7 @@ static void omap1_videobuf_queue(struct videobuf_queue *vq, * empty. Since the transfer of the DMA programming register set * content to the DMA working register set is done automatically * by the DMA hardware, this can pretty well happen while we - * are keeping the lock here. Levae fetching it from the queue + * are keeping the lock here. Leave fetching it from the queue * to be done when a next DMA interrupt occures instead. */ return; @@ -1365,12 +1365,12 @@ static void omap1_cam_init_videobuf(struct videobuf_queue *q, videobuf_queue_dma_contig_init(q, &omap1_videobuf_ops, icd->dev.parent, &pcdev->lock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE, - sizeof(struct omap1_cam_buf), icd); + sizeof(struct omap1_cam_buf), icd, NULL); else videobuf_queue_sg_init(q, &omap1_videobuf_ops, icd->dev.parent, &pcdev->lock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE, - sizeof(struct omap1_cam_buf), icd); + sizeof(struct omap1_cam_buf), icd, NULL); /* use videobuf mode (auto)selected with the module parameter */ pcdev->vb_mode = sg_mode ? OMAP1_CAM_DMA_SG : OMAP1_CAM_DMA_CONTIG; @@ -1386,7 +1386,7 @@ static void omap1_cam_init_videobuf(struct videobuf_queue *q, } } -static int omap1_cam_reqbufs(struct soc_camera_file *icf, +static int omap1_cam_reqbufs(struct soc_camera_device *icd, struct v4l2_requestbuffers *p) { int i; @@ -1398,7 +1398,7 @@ static int omap1_cam_reqbufs(struct soc_camera_file *icf, * it hadn't triggered */ for (i = 0; i < p->count; i++) { - struct omap1_cam_buf *buf = container_of(icf->vb_vidq.bufs[i], + struct omap1_cam_buf *buf = container_of(icd->vb_vidq.bufs[i], struct omap1_cam_buf, vb); buf->inwork = 0; INIT_LIST_HEAD(&buf->vb.queue); @@ -1485,10 +1485,10 @@ static int omap1_cam_set_bus_param(struct soc_camera_device *icd, static unsigned int omap1_cam_poll(struct file *file, poll_table *pt) { - struct soc_camera_file *icf = file->private_data; + struct soc_camera_device *icd = file->private_data; struct omap1_cam_buf *buf; - buf = list_entry(icf->vb_vidq.stream.next, struct omap1_cam_buf, + buf = list_entry(icd->vb_vidq.stream.next, struct omap1_cam_buf, vb.stream); poll_wait(file, &buf->vb.done, pt); diff --git a/drivers/media/video/ov6650.c b/drivers/media/video/ov6650.c index b7cfeab0948..cf93de98806 100644 --- a/drivers/media/video/ov6650.c +++ b/drivers/media/video/ov6650.c @@ -754,7 +754,7 @@ static int ov6650_g_fmt(struct v4l2_subdev *sd, static bool is_unscaled_ok(int width, int height, struct v4l2_rect *rect) { - return (width > rect->width >> 1 || height > rect->height >> 1); + return width > rect->width >> 1 || height > rect->height >> 1; } static u8 to_clkrc(struct v4l2_fract *timeperframe, @@ -840,8 +840,6 @@ static int ov6650_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf) coma_mask |= COMA_BW | COMA_BYTE_SWAP | COMA_WORD_SWAP; coma_set |= COMA_RAW_RGB | COMA_RGB; break; - case 0: - break; default: dev_err(&client->dev, "Pixel format not handled: 0x%x\n", code); return -EINVAL; @@ -1176,7 +1174,6 @@ static int ov6650_probe(struct i2c_client *client, if (ret) { icd->ops = NULL; - i2c_set_clientdata(client, NULL); kfree(priv); } @@ -1187,7 +1184,6 @@ static int ov6650_remove(struct i2c_client *client) { struct ov6650 *priv = to_ov6650(client); - i2c_set_clientdata(client, NULL); kfree(priv); return 0; } diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index e62beb4efdb..f3dc89da4c4 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -62,7 +62,6 @@ #include <linux/module.h> #include <linux/poll.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #ifdef CONFIG_USB_PWC_INPUT_EVDEV #include <linux/usb/input.h> #endif diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c index f5a46c45871..a845753665c 100644 --- a/drivers/media/video/s2255drv.c +++ b/drivers/media/video/s2255drv.c @@ -49,7 +49,6 @@ #include <linux/videodev2.h> #include <linux/version.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <media/videobuf-vmalloc.h> #include <media/v4l2-common.h> #include <media/v4l2-device.h> diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 10a6cbf6a79..0911cb580e1 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -6661,6 +6661,18 @@ struct pci_device_id saa7134_pci_tbl[] = { .subdevice = 0x2804, .driver_data = SAA7134_BOARD_TECHNOTREND_BUDGET_T3000, }, { + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7133, + .subvendor = 0x5ace, /* Beholder Intl. Ltd. */ + .subdevice = 0x7190, + .driver_data = SAA7134_BOARD_BEHOLD_H7, + }, { + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7133, + .subvendor = 0x5ace, /* Beholder Intl. Ltd. */ + .subdevice = 0x7090, + .driver_data = SAA7134_BOARD_BEHOLD_A7, + }, { /* --- boards without eeprom + subsystem ID --- */ .vendor = PCI_VENDOR_ID_PHILIPS, .device = PCI_DEVICE_ID_PHILIPS_SAA7134, @@ -6698,18 +6710,6 @@ struct pci_device_id saa7134_pci_tbl[] = { .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, .driver_data = SAA7134_BOARD_UNKNOWN, - }, { - .vendor = PCI_VENDOR_ID_PHILIPS, - .device = PCI_DEVICE_ID_PHILIPS_SAA7133, - .subvendor = 0x5ace, /* Beholder Intl. Ltd. */ - .subdevice = 0x7190, - .driver_data = SAA7134_BOARD_BEHOLD_H7, - }, { - .vendor = PCI_VENDOR_ID_PHILIPS, - .device = PCI_DEVICE_ID_PHILIPS_SAA7133, - .subvendor = 0x5ace, /* Beholder Intl. Ltd. */ - .subdevice = 0x7090, - .driver_data = SAA7134_BOARD_BEHOLD_A7, },{ /* --- end of list --- */ } diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index 1467a30a434..b890aafe7d6 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -21,7 +21,6 @@ #include <linux/list.h> #include <linux/module.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include "saa7134-reg.h" diff --git a/drivers/media/video/saa7164/saa7164.h b/drivers/media/video/saa7164/saa7164.h index 1d9c5cbbbc5..041ae8e20f6 100644 --- a/drivers/media/video/saa7164/saa7164.h +++ b/drivers/media/video/saa7164/saa7164.h @@ -58,7 +58,6 @@ #include <media/tveeprom.h> #include <media/videobuf-dma-sg.h> #include <media/videobuf-dvb.h> -#include <linux/smp_lock.h> #include <dvb_demux.h> #include <dvb_frontend.h> #include <dvb_net.h> diff --git a/drivers/media/video/se401.c b/drivers/media/video/se401.c index 41d0166c0f9..41360d7c3e9 100644 --- a/drivers/media/video/se401.c +++ b/drivers/media/video/se401.c @@ -31,7 +31,6 @@ static const char version[] = "0.24"; #include <linux/init.h> #include <linux/vmalloc.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/pagemap.h> #include <linux/usb.h> #include "se401.h" @@ -951,9 +950,9 @@ static int se401_open(struct file *file) struct usb_se401 *se401 = (struct usb_se401 *)dev; int err = 0; - lock_kernel(); + mutex_lock(&se401->lock); if (se401->user) { - unlock_kernel(); + mutex_unlock(&se401->lock); return -EBUSY; } se401->fbuf = rvmalloc(se401->maxframesize * SE401_NUMFRAMES); @@ -962,7 +961,7 @@ static int se401_open(struct file *file) else err = -ENOMEM; se401->user = !err; - unlock_kernel(); + mutex_unlock(&se401->lock); return err; } diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c index f07a0f6b71c..b5afe5f841c 100644 --- a/drivers/media/video/stk-webcam.c +++ b/drivers/media/video/stk-webcam.c @@ -27,7 +27,6 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/usb.h> #include <linux/mm.h> @@ -673,14 +672,11 @@ static int v4l_stk_open(struct file *fp) vdev = video_devdata(fp); dev = vdev_to_camera(vdev); - lock_kernel(); if (dev == NULL || !is_present(dev)) { - unlock_kernel(); return -ENXIO; } fp->private_data = dev; usb_autopm_get_interface(dev->interface); - unlock_kernel(); return 0; } diff --git a/drivers/media/video/tlg2300/pd-main.c b/drivers/media/video/tlg2300/pd-main.c index 4555f4a5f4c..c91424c0c13 100644 --- a/drivers/media/video/tlg2300/pd-main.c +++ b/drivers/media/video/tlg2300/pd-main.c @@ -36,7 +36,6 @@ #include <linux/string.h> #include <linux/types.h> #include <linux/firmware.h> -#include <linux/smp_lock.h> #include "vendorcmds.h" #include "pd-common.h" @@ -485,15 +484,11 @@ static void poseidon_disconnect(struct usb_interface *interface) /*unregister v4l2 device */ v4l2_device_unregister(&pd->v4l2_dev); - lock_kernel(); - { - pd_dvb_usb_device_exit(pd); - poseidon_fm_exit(pd); + pd_dvb_usb_device_exit(pd); + poseidon_fm_exit(pd); - poseidon_audio_free(pd); - pd_video_exit(pd); - } - unlock_kernel(); + poseidon_audio_free(pd); + pd_video_exit(pd); usb_set_intfdata(interface, NULL); kref_put(&pd->kref, poseidon_delete); diff --git a/drivers/media/video/usbvideo/vicam.c b/drivers/media/video/usbvideo/vicam.c index 5d6fd01f918..dc17cce2fbb 100644 --- a/drivers/media/video/usbvideo/vicam.c +++ b/drivers/media/video/usbvideo/vicam.c @@ -43,7 +43,6 @@ #include <linux/vmalloc.h> #include <linux/mm.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/mutex.h> #include <linux/firmware.h> #include <linux/ihex.h> @@ -483,29 +482,28 @@ vicam_open(struct file *file) return -EINVAL; } - /* the videodev_lock held above us protects us from - * simultaneous opens...for now. we probably shouldn't - * rely on this fact forever. + /* cam_lock/open_count protects us from simultaneous opens + * ... for now. we probably shouldn't rely on this fact forever. */ - lock_kernel(); + mutex_lock(&cam->cam_lock); if (cam->open_count > 0) { printk(KERN_INFO "vicam_open called on already opened camera"); - unlock_kernel(); + mutex_unlock(&cam->cam_lock); return -EBUSY; } cam->raw_image = kmalloc(VICAM_MAX_READ_SIZE, GFP_KERNEL); if (!cam->raw_image) { - unlock_kernel(); + mutex_unlock(&cam->cam_lock); return -ENOMEM; } cam->framebuf = rvmalloc(VICAM_MAX_FRAME_SIZE * VICAM_FRAMES); if (!cam->framebuf) { kfree(cam->raw_image); - unlock_kernel(); + mutex_unlock(&cam->cam_lock); return -ENOMEM; } @@ -513,10 +511,17 @@ vicam_open(struct file *file) if (!cam->cntrlbuf) { kfree(cam->raw_image); rvfree(cam->framebuf, VICAM_MAX_FRAME_SIZE * VICAM_FRAMES); - unlock_kernel(); + mutex_unlock(&cam->cam_lock); return -ENOMEM; } + cam->needsDummyRead = 1; + cam->open_count++; + + file->private_data = cam; + mutex_unlock(&cam->cam_lock); + + // First upload firmware, then turn the camera on if (!cam->is_initialized) { @@ -527,12 +532,6 @@ vicam_open(struct file *file) set_camera_power(cam, 1); - cam->needsDummyRead = 1; - cam->open_count++; - - file->private_data = cam; - unlock_kernel(); - return 0; } diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c index db6b828594f..011c0c38699 100644 --- a/drivers/media/video/usbvision/usbvision-video.c +++ b/drivers/media/video/usbvision/usbvision-video.c @@ -50,7 +50,6 @@ #include <linux/list.h> #include <linux/timer.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/highmem.h> #include <linux/vmalloc.h> diff --git a/drivers/media/video/v4l2-compat-ioctl32.c b/drivers/media/video/v4l2-compat-ioctl32.c index 86294ed35c9..e30e8dfb620 100644 --- a/drivers/media/video/v4l2-compat-ioctl32.c +++ b/drivers/media/video/v4l2-compat-ioctl32.c @@ -18,7 +18,6 @@ #include <linux/videodev.h> #include <linux/videodev2.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <media/v4l2-ioctl.h> #ifdef CONFIG_COMPAT diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 0ca7978654b..03f7f4670e9 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -25,7 +25,6 @@ #include <linux/init.h> #include <linux/kmod.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -247,10 +246,12 @@ static long v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) mutex_unlock(vdev->lock); } else if (vdev->fops->ioctl) { /* TODO: convert all drivers to unlocked_ioctl */ - lock_kernel(); + static DEFINE_MUTEX(v4l2_ioctl_mutex); + + mutex_lock(&v4l2_ioctl_mutex); if (video_is_registered(vdev)) ret = vdev->fops->ioctl(filp, cmd, arg); - unlock_kernel(); + mutex_unlock(&v4l2_ioctl_mutex); } else ret = -ENOTTY; diff --git a/drivers/media/video/zoran/zoran.h b/drivers/media/video/zoran/zoran.h index 37fe16181e3..27f05551183 100644 --- a/drivers/media/video/zoran/zoran.h +++ b/drivers/media/video/zoran/zoran.h @@ -388,6 +388,7 @@ struct zoran { struct videocodec *vfe; /* video front end */ struct mutex resource_lock; /* prevent evil stuff */ + struct mutex other_lock; /* please merge with above */ u8 initialized; /* flag if zoran has been correctly initialized */ int user; /* number of current users */ diff --git a/drivers/media/video/zoran/zoran_card.c b/drivers/media/video/zoran/zoran_card.c index 0aac376c3f7..7e6d62467ea 100644 --- a/drivers/media/video/zoran/zoran_card.c +++ b/drivers/media/video/zoran/zoran_card.c @@ -1227,6 +1227,7 @@ static int __devinit zoran_probe(struct pci_dev *pdev, snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id); spin_lock_init(&zr->spinlock); mutex_init(&zr->resource_lock); + mutex_init(&zr->other_lock); if (pci_enable_device(pdev)) goto zr_unreg; pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION, &zr->revision); diff --git a/drivers/media/video/zoran/zoran_driver.c b/drivers/media/video/zoran/zoran_driver.c index 401082b853f..67a52e844ae 100644 --- a/drivers/media/video/zoran/zoran_driver.c +++ b/drivers/media/video/zoran/zoran_driver.c @@ -49,7 +49,6 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/pci.h> #include <linux/vmalloc.h> #include <linux/wait.h> @@ -913,7 +912,7 @@ static int zoran_open(struct file *file) dprintk(2, KERN_INFO "%s: %s(%s, pid=[%d]), users(-)=%d\n", ZR_DEVNAME(zr), __func__, current->comm, task_pid_nr(current), zr->user + 1); - lock_kernel(); + mutex_lock(&zr->other_lock); if (zr->user >= 2048) { dprintk(1, KERN_ERR "%s: too many users (%d) on device\n", @@ -963,14 +962,14 @@ static int zoran_open(struct file *file) file->private_data = fh; fh->zr = zr; zoran_open_init_session(fh); - unlock_kernel(); + mutex_unlock(&zr->other_lock); return 0; fail_fh: kfree(fh); fail_unlock: - unlock_kernel(); + mutex_unlock(&zr->other_lock); dprintk(2, KERN_INFO "%s: open failed (%d), users(-)=%d\n", ZR_DEVNAME(zr), res, zr->user); @@ -989,7 +988,7 @@ zoran_close(struct file *file) /* kernel locks (fs/device.c), so don't do that ourselves * (prevents deadlocks) */ - /*mutex_lock(&zr->resource_lock);*/ + mutex_lock(&zr->other_lock); zoran_close_end_session(fh); @@ -1023,6 +1022,7 @@ zoran_close(struct file *file) encoder_call(zr, video, s_routing, 2, 0, 0); } } + mutex_unlock(&zr->other_lock); file->private_data = NULL; kfree(fh->overlay_mask); @@ -3370,11 +3370,26 @@ static const struct v4l2_ioctl_ops zoran_ioctl_ops = { #endif }; +/* please use zr->resource_lock consistently and kill this wrapper */ +static long zoran_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct zoran_fh *fh = file->private_data; + struct zoran *zr = fh->zr; + int ret; + + mutex_lock(&zr->other_lock); + ret = video_ioctl2(file, cmd, arg); + mutex_unlock(&zr->other_lock); + + return ret; +} + static const struct v4l2_file_operations zoran_fops = { .owner = THIS_MODULE, .open = zoran_open, .release = zoran_close, - .ioctl = video_ioctl2, + .unlocked_ioctl = zoran_ioctl, .read = zoran_read, .write = zoran_write, .mmap = zoran_mmap, diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index e15220ff52f..d784c36707c 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -97,8 +97,7 @@ static u8 mptfcInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; static int mptfc_target_alloc(struct scsi_target *starget); static int mptfc_slave_alloc(struct scsi_device *sdev); -static int mptfc_qcmd(struct scsi_cmnd *SCpnt, - void (*done)(struct scsi_cmnd *)); +static int mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt); static void mptfc_target_destroy(struct scsi_target *starget); static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout); static void __devexit mptfc_remove(struct pci_dev *pdev); @@ -650,7 +649,7 @@ mptfc_slave_alloc(struct scsi_device *sdev) } static int -mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +mptfc_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { struct mptfc_rport_info *ri; struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); @@ -681,6 +680,8 @@ mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) return mptscsih_qcmd(SCpnt,done); } +static DEF_SCSI_QCMD(mptfc_qcmd) + /* * mptfc_display_port_link_speed - displaying link speed * @ioc: Pointer to MPT_ADAPTER structure diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 83a5115f025..d48c2c6058e 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -1889,7 +1889,7 @@ mptsas_slave_alloc(struct scsi_device *sdev) } static int -mptsas_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +mptsas_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { MPT_SCSI_HOST *hd; MPT_ADAPTER *ioc; @@ -1913,6 +1913,8 @@ mptsas_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) return mptscsih_qcmd(SCpnt,done); } +static DEF_SCSI_QCMD(mptsas_qcmd) + /** * mptsas_mptsas_eh_timed_out - resets the scsi_cmnd timeout * if the device under question is currently in the diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c index 0e2803155ae..6d9568d2ec5 100644 --- a/drivers/message/fusion/mptspi.c +++ b/drivers/message/fusion/mptspi.c @@ -780,7 +780,7 @@ static int mptspi_slave_configure(struct scsi_device *sdev) } static int -mptspi_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +mptspi_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { struct _MPT_SCSI_HOST *hd = shost_priv(SCpnt->device->host); VirtDevice *vdevice = SCpnt->device->hostdata; @@ -805,6 +805,8 @@ mptspi_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) return mptscsih_qcmd(SCpnt,done); } +static DEF_SCSI_QCMD(mptspi_qcmd) + static void mptspi_slave_destroy(struct scsi_device *sdev) { struct scsi_target *starget = scsi_target(sdev); diff --git a/drivers/message/i2o/i2o_scsi.c b/drivers/message/i2o/i2o_scsi.c index ea6b2197da8..97bdf82ec90 100644 --- a/drivers/message/i2o/i2o_scsi.c +++ b/drivers/message/i2o/i2o_scsi.c @@ -506,7 +506,7 @@ static struct i2o_driver i2o_scsi_driver = { * Locks: takes the controller lock on error path only */ -static int i2o_scsi_queuecommand(struct scsi_cmnd *SCpnt, +static int i2o_scsi_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done) (struct scsi_cmnd *)) { struct i2o_controller *c; @@ -688,7 +688,9 @@ static int i2o_scsi_queuecommand(struct scsi_cmnd *SCpnt, exit: return rc; -}; +} + +static DEF_SCSI_QCMD(i2o_scsi_queuecommand) /** * i2o_scsi_abort - abort a running command diff --git a/drivers/misc/apds9802als.c b/drivers/misc/apds9802als.c index f9b91ba8900..644d4cd071c 100644 --- a/drivers/misc/apds9802als.c +++ b/drivers/misc/apds9802als.c @@ -123,7 +123,7 @@ static ssize_t als_sensing_range_store(struct device *dev, { struct i2c_client *client = to_i2c_client(dev); struct als_data *data = i2c_get_clientdata(client); - unsigned int ret_val; + int ret_val; unsigned long val; if (strict_strtoul(buf, 10, &val)) @@ -251,7 +251,6 @@ static int apds9802als_probe(struct i2c_client *client, return res; als_error1: - i2c_set_clientdata(client, NULL); kfree(data); return res; } diff --git a/drivers/misc/bh1770glc.c b/drivers/misc/bh1770glc.c index cee632e645e..d79a972f2c7 100644 --- a/drivers/misc/bh1770glc.c +++ b/drivers/misc/bh1770glc.c @@ -649,7 +649,7 @@ static ssize_t bh1770_power_state_store(struct device *dev, { struct bh1770_chip *chip = dev_get_drvdata(dev); unsigned long value; - size_t ret; + ssize_t ret; if (strict_strtoul(buf, 0, &value)) return -EINVAL; @@ -659,8 +659,12 @@ static ssize_t bh1770_power_state_store(struct device *dev, pm_runtime_get_sync(dev); ret = bh1770_lux_rate(chip, chip->lux_rate_index); - ret |= bh1770_lux_interrupt_control(chip, BH1770_ENABLE); + if (ret < 0) { + pm_runtime_put(dev); + goto leave; + } + ret = bh1770_lux_interrupt_control(chip, BH1770_ENABLE); if (ret < 0) { pm_runtime_put(dev); goto leave; diff --git a/drivers/misc/isl29020.c b/drivers/misc/isl29020.c index 34fe835921c..ca47e628507 100644 --- a/drivers/misc/isl29020.c +++ b/drivers/misc/isl29020.c @@ -87,7 +87,7 @@ static ssize_t als_sensing_range_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); - unsigned int ret_val; + int ret_val; unsigned long val; if (strict_strtoul(buf, 10, &val)) @@ -106,6 +106,8 @@ static ssize_t als_sensing_range_store(struct device *dev, val = 4; ret_val = i2c_smbus_read_byte_data(client, 0x00); + if (ret_val < 0) + return ret_val; ret_val &= 0xFC; /*reset the bit before setting them */ ret_val |= val - 1; diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c index e1da258bbfb..0a92436f053 100644 --- a/drivers/net/3c59x.c +++ b/drivers/net/3c59x.c @@ -699,7 +699,8 @@ DEFINE_WINDOW_IO(32) #define DEVICE_PCI(dev) NULL #endif -#define VORTEX_PCI(vp) (((vp)->gendev) ? DEVICE_PCI((vp)->gendev) : NULL) +#define VORTEX_PCI(vp) \ + ((struct pci_dev *) (((vp)->gendev) ? DEVICE_PCI((vp)->gendev) : NULL)) #ifdef CONFIG_EISA #define DEVICE_EISA(dev) (((dev)->bus == &eisa_bus_type) ? to_eisa_device((dev)) : NULL) @@ -707,7 +708,8 @@ DEFINE_WINDOW_IO(32) #define DEVICE_EISA(dev) NULL #endif -#define VORTEX_EISA(vp) (((vp)->gendev) ? DEVICE_EISA((vp)->gendev) : NULL) +#define VORTEX_EISA(vp) \ + ((struct eisa_device *) (((vp)->gendev) ? DEVICE_EISA((vp)->gendev) : NULL)) /* The action to take with a media selection timer tick. Note that we deviate from the 3Com order by checking 10base2 before AUI. diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c index ac422cd332e..dd16e83933a 100644 --- a/drivers/net/8139cp.c +++ b/drivers/net/8139cp.c @@ -490,13 +490,11 @@ static inline unsigned int cp_rx_csum_ok (u32 status) { unsigned int protocol = (status >> 16) & 0x3; - if (likely((protocol == RxProtoTCP) && (!(status & TCPFail)))) + if (((protocol == RxProtoTCP) && !(status & TCPFail)) || + ((protocol == RxProtoUDP) && !(status & UDPFail))) return 1; - else if ((protocol == RxProtoUDP) && (!(status & UDPFail))) - return 1; - else if ((protocol == RxProtoIP) && (!(status & IPFail))) - return 1; - return 0; + else + return 0; } static int cp_rx_poll(struct napi_struct *napi, int budget) diff --git a/drivers/net/atl1c/atl1c_hw.c b/drivers/net/atl1c/atl1c_hw.c index 919080b2c3a..1bf67200994 100644 --- a/drivers/net/atl1c/atl1c_hw.c +++ b/drivers/net/atl1c/atl1c_hw.c @@ -82,7 +82,7 @@ static int atl1c_get_permanent_address(struct atl1c_hw *hw) addr[0] = addr[1] = 0; AT_READ_REG(hw, REG_OTP_CTRL, &otp_ctrl_data); if (atl1c_check_eeprom_exist(hw)) { - if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c_b) { + if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c) { /* Enable OTP CLK */ if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) { otp_ctrl_data |= OTP_CTRL_CLK_EN; diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c index 43579b3b24a..53363108994 100644 --- a/drivers/net/atlx/atl1.c +++ b/drivers/net/atlx/atl1.c @@ -3043,7 +3043,6 @@ static int __devinit atl1_probe(struct pci_dev *pdev, atl1_pcie_patch(adapter); /* assume we have no link for now */ netif_carrier_off(netdev); - netif_stop_queue(netdev); setup_timer(&adapter->phy_config_timer, atl1_phy_config, (unsigned long)adapter); diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index c36cd2ffbad..93354eee2cf 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -2458,6 +2458,12 @@ int be_load_fw(struct be_adapter *adapter, u8 *func) int status, i = 0, num_imgs = 0; const u8 *p; + if (!netif_running(adapter->netdev)) { + dev_err(&adapter->pdev->dev, + "Firmware load not allowed (interface is down)\n"); + return -EPERM; + } + strcpy(fw_file, func); status = request_firmware(&fw, fw_file, &adapter->pdev->dev); diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h index 9eea225deca..863e73a85fb 100644 --- a/drivers/net/bnx2x/bnx2x.h +++ b/drivers/net/bnx2x/bnx2x.h @@ -20,8 +20,8 @@ * (you will need to reboot afterwards) */ /* #define BNX2X_STOP_ON_ERROR */ -#define DRV_MODULE_VERSION "1.60.00-3" -#define DRV_MODULE_RELDATE "2010/10/19" +#define DRV_MODULE_VERSION "1.60.00-4" +#define DRV_MODULE_RELDATE "2010/11/01" #define BNX2X_BC_VER 0x040200 #define BNX2X_MULTI_QUEUE diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c index 459614d2d7b..94d5f59d5a6 100644 --- a/drivers/net/bnx2x/bnx2x_cmn.c +++ b/drivers/net/bnx2x/bnx2x_cmn.c @@ -1680,7 +1680,7 @@ static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb) rc = XMIT_PLAIN; else { - if (skb->protocol == htons(ETH_P_IPV6)) { + if (vlan_get_protocol(skb) == htons(ETH_P_IPV6)) { rc = XMIT_CSUM_V6; if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) rc |= XMIT_CSUM_TCP; diff --git a/drivers/net/bnx2x/bnx2x_hsi.h b/drivers/net/bnx2x/bnx2x_hsi.h index 18c8e23a0e8..4cfd4e9b558 100644 --- a/drivers/net/bnx2x/bnx2x_hsi.h +++ b/drivers/net/bnx2x/bnx2x_hsi.h @@ -244,7 +244,14 @@ struct port_hw_cfg { /* port 0: 0x12c port 1: 0x2bc */ u16 xgxs_config_tx[4]; /* 0x1A0 */ - u32 Reserved1[57]; /* 0x1A8 */ + u32 Reserved1[56]; /* 0x1A8 */ + u32 default_cfg; /* 0x288 */ + /* Enable BAM on KR */ +#define PORT_HW_CFG_ENABLE_BAM_ON_KR_MASK 0x00100000 +#define PORT_HW_CFG_ENABLE_BAM_ON_KR_SHIFT 20 +#define PORT_HW_CFG_ENABLE_BAM_ON_KR_DISABLED 0x00000000 +#define PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED 0x00100000 + u32 speed_capability_mask2; /* 0x28C */ #define PORT_HW_CFG_SPEED_CAPABILITY2_D3_MASK 0x0000FFFF #define PORT_HW_CFG_SPEED_CAPABILITY2_D3_SHIFT 0 diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c index 2326774df84..58091961925 100644 --- a/drivers/net/bnx2x/bnx2x_link.c +++ b/drivers/net/bnx2x/bnx2x_link.c @@ -610,7 +610,7 @@ static u8 bnx2x_bmac_enable(struct link_params *params, /* reset and unreset the BigMac */ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); - udelay(10); + msleep(1); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); @@ -3525,13 +3525,19 @@ static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy, DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1); /* Enable CL37 BAM */ - bnx2x_cl45_read(bp, phy, - MDIO_AN_DEVAD, - MDIO_AN_REG_8073_BAM, &val); - bnx2x_cl45_write(bp, phy, - MDIO_AN_DEVAD, - MDIO_AN_REG_8073_BAM, val | 1); + if (REG_RD(bp, params->shmem_base + + offsetof(struct shmem_region, dev_info. + port_hw_config[params->port].default_cfg)) & + PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) { + bnx2x_cl45_read(bp, phy, + MDIO_AN_DEVAD, + MDIO_AN_REG_8073_BAM, &val); + bnx2x_cl45_write(bp, phy, + MDIO_AN_DEVAD, + MDIO_AN_REG_8073_BAM, val | 1); + DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n"); + } if (params->loopback_mode == LOOPBACK_EXT) { bnx2x_807x_force_10G(bp, phy); DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n"); @@ -5302,7 +5308,7 @@ static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy, { struct bnx2x *bp = params->bp; u16 autoneg_val, an_1000_val, an_10_100_val; - bnx2x_wait_reset_complete(bp, phy); + bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4, 1 << NIG_LATCH_BC_ENABLE_MI_INT); @@ -5431,6 +5437,7 @@ static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy, /* HW reset */ bnx2x_ext_phy_hw_reset(bp, params->port); + bnx2x_wait_reset_complete(bp, phy); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); return bnx2x_848xx_cmn_config_init(phy, params, vars); @@ -5441,7 +5448,7 @@ static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy, struct link_vars *vars) { struct bnx2x *bp = params->bp; - u8 port = params->port, initialize = 1; + u8 port, initialize = 1; u16 val; u16 temp; u32 actual_phy_selection; @@ -5450,11 +5457,16 @@ static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy, /* This is just for MDIO_CTL_REG_84823_MEDIA register. */ msleep(1); + if (CHIP_IS_E2(bp)) + port = BP_PATH(bp); + else + port = params->port; bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, MISC_REGISTERS_GPIO_OUTPUT_HIGH, port); - msleep(200); /* 100 is not enough */ - + bnx2x_wait_reset_complete(bp, phy); + /* Wait for GPHY to come out of reset */ + msleep(50); /* BCM84823 requires that XGXS links up first @ 10G for normal behavior */ temp = vars->line_speed; @@ -5625,7 +5637,11 @@ static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; - u8 port = params->port; + u8 port; + if (CHIP_IS_E2(bp)) + port = BP_PATH(bp); + else + port = params->port; bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, MISC_REGISTERS_GPIO_OUTPUT_LOW, port); @@ -6928,7 +6944,7 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars, u8 reset_ext_phy) { struct bnx2x *bp = params->bp; - u8 phy_index, port = params->port; + u8 phy_index, port = params->port, clear_latch_ind = 0; DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port); /* disable attentions */ vars->link_status = 0; @@ -6966,9 +6982,18 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars, params->phy[phy_index].link_reset( ¶ms->phy[phy_index], params); + if (params->phy[phy_index].flags & + FLAGS_REARM_LATCH_SIGNAL) + clear_latch_ind = 1; } } + if (clear_latch_ind) { + /* Clear latching indication */ + bnx2x_rearm_latch_signal(bp, port, 0); + bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4, + 1 << NIG_LATCH_BC_ENABLE_MI_INT); + } if (params->phy[INT_PHY].link_reset) params->phy[INT_PHY].link_reset( ¶ms->phy[INT_PHY], params); @@ -6999,6 +7024,7 @@ static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, s8 port; s8 port_of_path = 0; + bnx2x_ext_phy_hw_reset(bp, 0); /* PART1 - Reset both phys */ for (port = PORT_MAX - 1; port >= PORT_0; port--) { u32 shmem_base, shmem2_base; @@ -7021,7 +7047,8 @@ static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, return -EINVAL; } /* disable attentions */ - bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, + bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + + port_of_path*4, (NIG_MASK_XGXS0_LINK_STATUS | NIG_MASK_XGXS0_LINK10G | NIG_MASK_SERDES0_LINK_STATUS | @@ -7132,7 +7159,7 @@ static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp, (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT))); REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val); - bnx2x_ext_phy_hw_reset(bp, 1); + bnx2x_ext_phy_hw_reset(bp, 0); msleep(5); for (port = 0; port < PORT_MAX; port++) { u32 shmem_base, shmem2_base; diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c index e9ad16f00b5..9709b856966 100644 --- a/drivers/net/bnx2x/bnx2x_main.c +++ b/drivers/net/bnx2x/bnx2x_main.c @@ -9064,7 +9064,7 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev, default: pr_err("Unknown board_type (%ld), aborting\n", ent->driver_data); - return ENODEV; + return -ENODEV; } cid_count += CNIC_CONTEXT_USE; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index bdb68a60038..71a169740d0 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -878,8 +878,10 @@ static void __bond_resend_igmp_join_requests(struct net_device *dev) rcu_read_lock(); in_dev = __in_dev_get_rcu(dev); if (in_dev) { + read_lock(&in_dev->mc_list_lock); for (im = in_dev->mc_list; im; im = im->next) ip_mc_rejoin_group(im); + read_unlock(&in_dev->mc_list_lock); } rcu_read_unlock(); diff --git a/drivers/net/caif/caif_spi.c b/drivers/net/caif/caif_spi.c index 8427533fe31..20da1996d35 100644 --- a/drivers/net/caif/caif_spi.c +++ b/drivers/net/caif/caif_spi.c @@ -33,6 +33,9 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Daniel Martensson<daniel.martensson@stericsson.com>"); MODULE_DESCRIPTION("CAIF SPI driver"); +/* Returns the number of padding bytes for alignment. */ +#define PAD_POW2(x, pow) ((((x)&((pow)-1))==0) ? 0 : (((pow)-((x)&((pow)-1))))) + static int spi_loop; module_param(spi_loop, bool, S_IRUGO); MODULE_PARM_DESC(spi_loop, "SPI running in loopback mode."); @@ -41,7 +44,10 @@ MODULE_PARM_DESC(spi_loop, "SPI running in loopback mode."); module_param(spi_frm_align, int, S_IRUGO); MODULE_PARM_DESC(spi_frm_align, "SPI frame alignment."); -/* SPI padding options. */ +/* + * SPI padding options. + * Warning: must be a base of 2 (& operation used) and can not be zero ! + */ module_param(spi_up_head_align, int, S_IRUGO); MODULE_PARM_DESC(spi_up_head_align, "SPI uplink head alignment."); @@ -240,15 +246,13 @@ static ssize_t dbgfs_frame(struct file *file, char __user *user_buf, static const struct file_operations dbgfs_state_fops = { .open = dbgfs_open, .read = dbgfs_state, - .owner = THIS_MODULE, - .llseek = default_llseek, + .owner = THIS_MODULE }; static const struct file_operations dbgfs_frame_fops = { .open = dbgfs_open, .read = dbgfs_frame, - .owner = THIS_MODULE, - .llseek = default_llseek, + .owner = THIS_MODULE }; static inline void dev_debugfs_add(struct cfspi *cfspi) @@ -337,6 +341,9 @@ int cfspi_xmitfrm(struct cfspi *cfspi, u8 *buf, size_t len) u8 *dst = buf; caif_assert(buf); + if (cfspi->slave && !cfspi->slave_talked) + cfspi->slave_talked = true; + do { struct sk_buff *skb; struct caif_payload_info *info; @@ -357,8 +364,8 @@ int cfspi_xmitfrm(struct cfspi *cfspi, u8 *buf, size_t len) * Compute head offset i.e. number of bytes to add to * get the start of the payload aligned. */ - if (spi_up_head_align) { - spad = 1 + ((info->hdr_len + 1) & spi_up_head_align); + if (spi_up_head_align > 1) { + spad = 1 + PAD_POW2((info->hdr_len + 1), spi_up_head_align); *dst = (u8)(spad - 1); dst += spad; } @@ -373,7 +380,7 @@ int cfspi_xmitfrm(struct cfspi *cfspi, u8 *buf, size_t len) * Compute tail offset i.e. number of bytes to add to * get the complete CAIF frame aligned. */ - epad = (skb->len + spad) & spi_up_tail_align; + epad = PAD_POW2((skb->len + spad), spi_up_tail_align); dst += epad; dev_kfree_skb(skb); @@ -417,14 +424,14 @@ int cfspi_xmitlen(struct cfspi *cfspi) * Compute head offset i.e. number of bytes to add to * get the start of the payload aligned. */ - if (spi_up_head_align) - spad = 1 + ((info->hdr_len + 1) & spi_up_head_align); + if (spi_up_head_align > 1) + spad = 1 + PAD_POW2((info->hdr_len + 1), spi_up_head_align); /* * Compute tail offset i.e. number of bytes to add to * get the complete CAIF frame aligned. */ - epad = (skb->len + spad) & spi_up_tail_align; + epad = PAD_POW2((skb->len + spad), spi_up_tail_align); if ((skb->len + spad + epad + frm_len) <= CAIF_MAX_SPI_FRAME) { skb_queue_tail(&cfspi->chead, skb); @@ -433,6 +440,7 @@ int cfspi_xmitlen(struct cfspi *cfspi) } else { /* Put back packet. */ skb_queue_head(&cfspi->qhead, skb); + break; } } while (pkts <= CAIF_MAX_SPI_PKTS); @@ -453,6 +461,15 @@ static void cfspi_ss_cb(bool assert, struct cfspi_ifc *ifc) { struct cfspi *cfspi = (struct cfspi *)ifc->priv; + /* + * The slave device is the master on the link. Interrupts before the + * slave has transmitted are considered spurious. + */ + if (cfspi->slave && !cfspi->slave_talked) { + printk(KERN_WARNING "CFSPI: Spurious SS interrupt.\n"); + return; + } + if (!in_interrupt()) spin_lock(&cfspi->lock); if (assert) { @@ -465,7 +482,8 @@ static void cfspi_ss_cb(bool assert, struct cfspi_ifc *ifc) spin_unlock(&cfspi->lock); /* Wake up the xfer thread. */ - wake_up_interruptible(&cfspi->wait); + if (assert) + wake_up_interruptible(&cfspi->wait); } static void cfspi_xfer_done_cb(struct cfspi_ifc *ifc) @@ -523,7 +541,7 @@ int cfspi_rxfrm(struct cfspi *cfspi, u8 *buf, size_t len) * Compute head offset i.e. number of bytes added to * get the start of the payload aligned. */ - if (spi_down_head_align) { + if (spi_down_head_align > 1) { spad = 1 + *src; src += spad; } @@ -564,7 +582,7 @@ int cfspi_rxfrm(struct cfspi *cfspi, u8 *buf, size_t len) * Compute tail offset i.e. number of bytes added to * get the complete CAIF frame aligned. */ - epad = (pkt_len + spad) & spi_down_tail_align; + epad = PAD_POW2((pkt_len + spad), spi_down_tail_align); src += epad; } while ((src - buf) < len); @@ -617,19 +635,28 @@ int cfspi_spi_probe(struct platform_device *pdev) ndev = alloc_netdev(sizeof(struct cfspi), "cfspi%d", cfspi_setup); - if (!dev) - return -ENODEV; + if (!ndev) + return -ENOMEM; cfspi = netdev_priv(ndev); netif_stop_queue(ndev); cfspi->ndev = ndev; cfspi->pdev = pdev; - /* Set flow info */ + /* Set flow info. */ cfspi->flow_off_sent = 0; cfspi->qd_low_mark = LOW_WATER_MARK; cfspi->qd_high_mark = HIGH_WATER_MARK; + /* Set slave info. */ + if (!strncmp(cfspi_spi_driver.driver.name, "cfspi_sspi", 10)) { + cfspi->slave = true; + cfspi->slave_talked = false; + } else { + cfspi->slave = false; + cfspi->slave_talked = false; + } + /* Assign the SPI device. */ cfspi->dev = dev; /* Assign the device ifc to this SPI interface. */ diff --git a/drivers/net/caif/caif_spi_slave.c b/drivers/net/caif/caif_spi_slave.c index 2111dbfea6f..1b9943a4eda 100644 --- a/drivers/net/caif/caif_spi_slave.c +++ b/drivers/net/caif/caif_spi_slave.c @@ -36,10 +36,15 @@ static inline int forward_to_spi_cmd(struct cfspi *cfspi) #endif int spi_frm_align = 2; -int spi_up_head_align = 1; -int spi_up_tail_align; -int spi_down_head_align = 3; -int spi_down_tail_align = 1; + +/* + * SPI padding options. + * Warning: must be a base of 2 (& operation used) and can not be zero ! + */ +int spi_up_head_align = 1 << 1; +int spi_up_tail_align = 1 << 0; +int spi_down_head_align = 1 << 2; +int spi_down_tail_align = 1 << 1; #ifdef CONFIG_DEBUG_FS static inline void debugfs_store_prev(struct cfspi *cfspi) diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index 407d4e27207..046d846c652 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -3341,7 +3341,6 @@ static int __devinit init_one(struct pci_dev *pdev, adapter->name = adapter->port[i]->name; __set_bit(i, &adapter->registered_device_map); - netif_tx_stop_all_queues(adapter->port[i]); } } if (!adapter->registered_device_map) { diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c index f17703f410b..f50bc98310f 100644 --- a/drivers/net/cxgb4/cxgb4_main.c +++ b/drivers/net/cxgb4/cxgb4_main.c @@ -3736,7 +3736,6 @@ static int __devinit init_one(struct pci_dev *pdev, __set_bit(i, &adapter->registered_device_map); adapter->chan_map[adap2pinfo(adapter, i)->tx_chan] = i; - netif_tx_stop_all_queues(adapter->port[i]); } } if (!adapter->registered_device_map) { diff --git a/drivers/net/cxgb4vf/cxgb4vf_main.c b/drivers/net/cxgb4vf/cxgb4vf_main.c index 555ecc5a2e9..c3449bbc585 100644 --- a/drivers/net/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/cxgb4vf/cxgb4vf_main.c @@ -753,7 +753,9 @@ static int cxgb4vf_open(struct net_device *dev) if (err) return err; set_bit(pi->port_id, &adapter->open_device_map); - link_start(dev); + err = link_start(dev); + if (err) + return err; netif_tx_start_all_queues(dev); return 0; } @@ -1103,18 +1105,6 @@ static int cxgb4vf_set_mac_addr(struct net_device *dev, void *_addr) return 0; } -/* - * Return a TX Queue on which to send the specified skb. - */ -static u16 cxgb4vf_select_queue(struct net_device *dev, struct sk_buff *skb) -{ - /* - * XXX For now just use the default hash but we probably want to - * XXX look at other possibilities ... - */ - return skb_tx_hash(dev, skb); -} - #ifdef CONFIG_NET_POLL_CONTROLLER /* * Poll all of our receive queues. This is called outside of normal interrupt @@ -2075,6 +2065,22 @@ static int adap_init0(struct adapter *adapter) } /* + * Some environments do not properly handle PCIE FLRs -- e.g. in Linux + * 2.6.31 and later we can't call pci_reset_function() in order to + * issue an FLR because of a self- deadlock on the device semaphore. + * Meanwhile, the OS infrastructure doesn't issue FLRs in all the + * cases where they're needed -- for instance, some versions of KVM + * fail to reset "Assigned Devices" when the VM reboots. Therefore we + * use the firmware based reset in order to reset any per function + * state. + */ + err = t4vf_fw_reset(adapter); + if (err < 0) { + dev_err(adapter->pdev_dev, "FW reset failed: err=%d\n", err); + return err; + } + + /* * Grab basic operational parameters. These will predominantly have * been set up by the Physical Function Driver or will be hard coded * into the adapter. We just have to live with them ... Note that @@ -2417,7 +2423,6 @@ static const struct net_device_ops cxgb4vf_netdev_ops = { .ndo_get_stats = cxgb4vf_get_stats, .ndo_set_rx_mode = cxgb4vf_set_rxmode, .ndo_set_mac_address = cxgb4vf_set_mac_addr, - .ndo_select_queue = cxgb4vf_select_queue, .ndo_validate_addr = eth_validate_addr, .ndo_do_ioctl = cxgb4vf_do_ioctl, .ndo_change_mtu = cxgb4vf_change_mtu, @@ -2600,7 +2605,6 @@ static int __devinit cxgb4vf_pci_probe(struct pci_dev *pdev, pi->xact_addr_filt = -1; pi->rx_offload = RX_CSO; netif_carrier_off(netdev); - netif_tx_stop_all_queues(netdev); netdev->irq = pdev->irq; netdev->features = (NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | @@ -2625,7 +2629,6 @@ static int __devinit cxgb4vf_pci_probe(struct pci_dev *pdev, netdev->do_ioctl = cxgb4vf_do_ioctl; netdev->change_mtu = cxgb4vf_change_mtu; netdev->set_mac_address = cxgb4vf_set_mac_addr; - netdev->select_queue = cxgb4vf_select_queue; #ifdef CONFIG_NET_POLL_CONTROLLER netdev->poll_controller = cxgb4vf_poll_controller; #endif @@ -2844,6 +2847,14 @@ static struct pci_device_id cxgb4vf_pci_tbl[] = { CH_DEVICE(0x4800, 0), /* T440-dbg */ CH_DEVICE(0x4801, 0), /* T420-cr */ CH_DEVICE(0x4802, 0), /* T422-cr */ + CH_DEVICE(0x4803, 0), /* T440-cr */ + CH_DEVICE(0x4804, 0), /* T420-bch */ + CH_DEVICE(0x4805, 0), /* T440-bch */ + CH_DEVICE(0x4806, 0), /* T460-ch */ + CH_DEVICE(0x4807, 0), /* T420-so */ + CH_DEVICE(0x4808, 0), /* T420-cx */ + CH_DEVICE(0x4809, 0), /* T420-bt */ + CH_DEVICE(0x480a, 0), /* T404-bt */ { 0, } }; diff --git a/drivers/net/cxgb4vf/sge.c b/drivers/net/cxgb4vf/sge.c index f10864ddafb..ecf0770bf0f 100644 --- a/drivers/net/cxgb4vf/sge.c +++ b/drivers/net/cxgb4vf/sge.c @@ -154,13 +154,14 @@ enum { */ RX_COPY_THRES = 256, RX_PULL_LEN = 128, -}; -/* - * Can't define this in the above enum because PKTSHIFT isn't a constant in - * the VF Driver ... - */ -#define RX_PKT_PULL_LEN (RX_PULL_LEN + PKTSHIFT) + /* + * Main body length for sk_buffs used for RX Ethernet packets with + * fragments. Should be >= RX_PULL_LEN but possibly bigger to give + * pskb_may_pull() some room. + */ + RX_SKB_LEN = 512, +}; /* * Software state per TX descriptor. @@ -1355,6 +1356,67 @@ out_free: } /** + * t4vf_pktgl_to_skb - build an sk_buff from a packet gather list + * @gl: the gather list + * @skb_len: size of sk_buff main body if it carries fragments + * @pull_len: amount of data to move to the sk_buff's main body + * + * Builds an sk_buff from the given packet gather list. Returns the + * sk_buff or %NULL if sk_buff allocation failed. + */ +struct sk_buff *t4vf_pktgl_to_skb(const struct pkt_gl *gl, + unsigned int skb_len, unsigned int pull_len) +{ + struct sk_buff *skb; + struct skb_shared_info *ssi; + + /* + * If the ingress packet is small enough, allocate an skb large enough + * for all of the data and copy it inline. Otherwise, allocate an skb + * with enough room to pull in the header and reference the rest of + * the data via the skb fragment list. + * + * Below we rely on RX_COPY_THRES being less than the smallest Rx + * buff! size, which is expected since buffers are at least + * PAGE_SIZEd. In this case packets up to RX_COPY_THRES have only one + * fragment. + */ + if (gl->tot_len <= RX_COPY_THRES) { + /* small packets have only one fragment */ + skb = alloc_skb(gl->tot_len, GFP_ATOMIC); + if (unlikely(!skb)) + goto out; + __skb_put(skb, gl->tot_len); + skb_copy_to_linear_data(skb, gl->va, gl->tot_len); + } else { + skb = alloc_skb(skb_len, GFP_ATOMIC); + if (unlikely(!skb)) + goto out; + __skb_put(skb, pull_len); + skb_copy_to_linear_data(skb, gl->va, pull_len); + + ssi = skb_shinfo(skb); + ssi->frags[0].page = gl->frags[0].page; + ssi->frags[0].page_offset = gl->frags[0].page_offset + pull_len; + ssi->frags[0].size = gl->frags[0].size - pull_len; + if (gl->nfrags > 1) + memcpy(&ssi->frags[1], &gl->frags[1], + (gl->nfrags-1) * sizeof(skb_frag_t)); + ssi->nr_frags = gl->nfrags; + + skb->len = gl->tot_len; + skb->data_len = skb->len - pull_len; + skb->truesize += skb->data_len; + + /* Get a reference for the last page, we don't own it */ + get_page(gl->frags[gl->nfrags - 1].page); + } + +out: + return skb; +} + +/** * t4vf_pktgl_free - free a packet gather list * @gl: the gather list * @@ -1463,10 +1525,8 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, { struct sk_buff *skb; struct port_info *pi; - struct skb_shared_info *ssi; const struct cpl_rx_pkt *pkt = (void *)&rsp[1]; bool csum_ok = pkt->csum_calc && !pkt->err_vec; - unsigned int len = be16_to_cpu(pkt->len); struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq); /* @@ -1481,42 +1541,14 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, } /* - * If the ingress packet is small enough, allocate an skb large enough - * for all of the data and copy it inline. Otherwise, allocate an skb - * with enough room to pull in the header and reference the rest of - * the data via the skb fragment list. + * Convert the Packet Gather List into an skb. */ - if (len <= RX_COPY_THRES) { - /* small packets have only one fragment */ - skb = alloc_skb(gl->frags[0].size, GFP_ATOMIC); - if (!skb) - goto nomem; - __skb_put(skb, gl->frags[0].size); - skb_copy_to_linear_data(skb, gl->va, gl->frags[0].size); - } else { - skb = alloc_skb(RX_PKT_PULL_LEN, GFP_ATOMIC); - if (!skb) - goto nomem; - __skb_put(skb, RX_PKT_PULL_LEN); - skb_copy_to_linear_data(skb, gl->va, RX_PKT_PULL_LEN); - - ssi = skb_shinfo(skb); - ssi->frags[0].page = gl->frags[0].page; - ssi->frags[0].page_offset = (gl->frags[0].page_offset + - RX_PKT_PULL_LEN); - ssi->frags[0].size = gl->frags[0].size - RX_PKT_PULL_LEN; - if (gl->nfrags > 1) - memcpy(&ssi->frags[1], &gl->frags[1], - (gl->nfrags-1) * sizeof(skb_frag_t)); - ssi->nr_frags = gl->nfrags; - skb->len = len + PKTSHIFT; - skb->data_len = skb->len - RX_PKT_PULL_LEN; - skb->truesize += skb->data_len; - - /* Get a reference for the last page, we don't own it */ - get_page(gl->frags[gl->nfrags - 1].page); + skb = t4vf_pktgl_to_skb(gl, RX_SKB_LEN, RX_PULL_LEN); + if (unlikely(!skb)) { + t4vf_pktgl_free(gl); + rxq->stats.rx_drops++; + return 0; } - __skb_pull(skb, PKTSHIFT); skb->protocol = eth_type_trans(skb, rspq->netdev); skb_record_rx_queue(skb, rspq->idx); @@ -1549,11 +1581,6 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, netif_receive_skb(skb); return 0; - -nomem: - t4vf_pktgl_free(gl); - rxq->stats.rx_drops++; - return 0; } /** @@ -1679,6 +1706,7 @@ int process_responses(struct sge_rspq *rspq, int budget) } len = RSPD_LEN(len); } + gl.tot_len = len; /* * Gather packet fragments. diff --git a/drivers/net/cxgb4vf/t4vf_common.h b/drivers/net/cxgb4vf/t4vf_common.h index 873cb7d86c5..a65c80aed1f 100644 --- a/drivers/net/cxgb4vf/t4vf_common.h +++ b/drivers/net/cxgb4vf/t4vf_common.h @@ -235,6 +235,7 @@ static inline int t4vf_wr_mbox_ns(struct adapter *adapter, const void *cmd, int __devinit t4vf_wait_dev_ready(struct adapter *); int __devinit t4vf_port_init(struct adapter *, int); +int t4vf_fw_reset(struct adapter *); int t4vf_query_params(struct adapter *, unsigned int, const u32 *, u32 *); int t4vf_set_params(struct adapter *, unsigned int, const u32 *, const u32 *); diff --git a/drivers/net/cxgb4vf/t4vf_hw.c b/drivers/net/cxgb4vf/t4vf_hw.c index ea1c123f0cb..e306c20dfae 100644 --- a/drivers/net/cxgb4vf/t4vf_hw.c +++ b/drivers/net/cxgb4vf/t4vf_hw.c @@ -326,6 +326,25 @@ int __devinit t4vf_port_init(struct adapter *adapter, int pidx) } /** + * t4vf_fw_reset - issue a reset to FW + * @adapter: the adapter + * + * Issues a reset command to FW. For a Physical Function this would + * result in the Firmware reseting all of its state. For a Virtual + * Function this just resets the state associated with the VF. + */ +int t4vf_fw_reset(struct adapter *adapter) +{ + struct fw_reset_cmd cmd; + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_write = cpu_to_be32(FW_CMD_OP(FW_RESET_CMD) | + FW_CMD_WRITE); + cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); + return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); +} + +/** * t4vf_query_params - query FW or device parameters * @adapter: the adapter * @nparams: the number of parameters diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 4686c3983fc..4d62f7bfa03 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -31,7 +31,7 @@ char e1000_driver_name[] = "e1000"; static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver"; -#define DRV_VERSION "7.3.21-k6-NAPI" +#define DRV_VERSION "7.3.21-k8-NAPI" const char e1000_driver_version[] = DRV_VERSION; static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation."; @@ -485,9 +485,6 @@ void e1000_down(struct e1000_adapter *adapter) struct net_device *netdev = adapter->netdev; u32 rctl, tctl; - /* signal that we're down so the interrupt handler does not - * reschedule our watchdog timer */ - set_bit(__E1000_DOWN, &adapter->flags); /* disable receives in the hardware */ rctl = er32(RCTL); @@ -508,6 +505,13 @@ void e1000_down(struct e1000_adapter *adapter) e1000_irq_disable(adapter); + /* + * Setting DOWN must be after irq_disable to prevent + * a screaming interrupt. Setting DOWN also prevents + * timers and tasks from rescheduling. + */ + set_bit(__E1000_DOWN, &adapter->flags); + del_timer_sync(&adapter->tx_fifo_stall_timer); del_timer_sync(&adapter->watchdog_timer); del_timer_sync(&adapter->phy_info_timer); diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 49e4ce1246a..d1bec626917 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -577,11 +577,10 @@ static int gfar_parse_group(struct device_node *np, irq_of_parse_and_map(np, 1); priv->gfargrp[priv->num_grps].interruptError = irq_of_parse_and_map(np,2); - if (priv->gfargrp[priv->num_grps].interruptTransmit < 0 || - priv->gfargrp[priv->num_grps].interruptReceive < 0 || - priv->gfargrp[priv->num_grps].interruptError < 0) { + if (priv->gfargrp[priv->num_grps].interruptTransmit == NO_IRQ || + priv->gfargrp[priv->num_grps].interruptReceive == NO_IRQ || + priv->gfargrp[priv->num_grps].interruptError == NO_IRQ) return -EINVAL; - } } priv->gfargrp[priv->num_grps].grp_id = priv->num_grps; diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c index 5c566ebc54b..3bc8e276ba4 100644 --- a/drivers/net/gianfar_ethtool.c +++ b/drivers/net/gianfar_ethtool.c @@ -635,9 +635,10 @@ static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) if (wol->wolopts & ~WAKE_MAGIC) return -EINVAL; + device_set_wakeup_enable(&dev->dev, wol->wolopts & WAKE_MAGIC); + spin_lock_irqsave(&priv->bflock, flags); - priv->wol_en = wol->wolopts & WAKE_MAGIC ? 1 : 0; - device_set_wakeup_enable(&dev->dev, priv->wol_en); + priv->wol_en = !!device_may_wakeup(&dev->dev); spin_unlock_irqrestore(&priv->bflock, flags); return 0; diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c index 385dc3204cb..06bb9b79945 100644 --- a/drivers/net/ibm_newemac/core.c +++ b/drivers/net/ibm_newemac/core.c @@ -2871,7 +2871,6 @@ static int __devinit emac_probe(struct platform_device *ofdev, SET_ETHTOOL_OPS(ndev, &emac_ethtool_ops); netif_carrier_off(ndev); - netif_stop_queue(ndev); err = register_netdev(ndev); if (err) { diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c index dc019809234..aa93655c3aa 100644 --- a/drivers/net/ipg.c +++ b/drivers/net/ipg.c @@ -88,16 +88,14 @@ static const char *ipg_brand_name[] = { "IC PLUS IP1000 1000/100/10 based NIC", "Sundance Technology ST2021 based NIC", "Tamarack Microelectronics TC9020/9021 based NIC", - "Tamarack Microelectronics TC9020/9021 based NIC", "D-Link NIC IP1000A" }; static DEFINE_PCI_DEVICE_TABLE(ipg_pci_tbl) = { { PCI_VDEVICE(SUNDANCE, 0x1023), 0 }, { PCI_VDEVICE(SUNDANCE, 0x2021), 1 }, - { PCI_VDEVICE(SUNDANCE, 0x1021), 2 }, - { PCI_VDEVICE(DLINK, 0x9021), 3 }, - { PCI_VDEVICE(DLINK, 0x4020), 4 }, + { PCI_VDEVICE(DLINK, 0x9021), 2 }, + { PCI_VDEVICE(DLINK, 0x4020), 3 }, { 0, } }; diff --git a/drivers/net/irda/sh_sir.c b/drivers/net/irda/sh_sir.c index 00b38bccd6d..52a7c86af66 100644 --- a/drivers/net/irda/sh_sir.c +++ b/drivers/net/irda/sh_sir.c @@ -258,7 +258,7 @@ static int sh_sir_set_baudrate(struct sh_sir_self *self, u32 baudrate) /* Baud Rate Error Correction x 10000 */ u32 rate_err_array[] = { - 0000, 0625, 1250, 1875, + 0, 625, 1250, 1875, 2500, 3125, 3750, 4375, 5000, 5625, 6250, 6875, 7500, 8125, 8750, 9375, diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 2bd3eb4ee5a..fbad4d81960 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -764,8 +764,9 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector, #ifdef IXGBE_FCOE /* adjust for FCoE Sequence Offload */ if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) - && (skb->protocol == htons(ETH_P_FCOE)) && - skb_is_gso(skb)) { + && skb_is_gso(skb) + && vlan_get_protocol(skb) == + htons(ETH_P_FCOE)) { hlen = skb_transport_offset(skb) + sizeof(struct fc_frame_header) + sizeof(struct fcoe_crc_eof); @@ -5823,7 +5824,7 @@ static void ixgbe_watchdog_task(struct work_struct *work) static int ixgbe_tso(struct ixgbe_adapter *adapter, struct ixgbe_ring *tx_ring, struct sk_buff *skb, - u32 tx_flags, u8 *hdr_len) + u32 tx_flags, u8 *hdr_len, __be16 protocol) { struct ixgbe_adv_tx_context_desc *context_desc; unsigned int i; @@ -5841,7 +5842,7 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter, l4len = tcp_hdrlen(skb); *hdr_len += l4len; - if (skb->protocol == htons(ETH_P_IP)) { + if (protocol == htons(ETH_P_IP)) { struct iphdr *iph = ip_hdr(skb); iph->tot_len = 0; iph->check = 0; @@ -5880,7 +5881,7 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter, type_tucmd_mlhl = (IXGBE_TXD_CMD_DEXT | IXGBE_ADVTXD_DTYP_CTXT); - if (skb->protocol == htons(ETH_P_IP)) + if (protocol == htons(ETH_P_IP)) type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4; type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP; context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl); @@ -5906,16 +5907,10 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter, return false; } -static u32 ixgbe_psum(struct ixgbe_adapter *adapter, struct sk_buff *skb) +static u32 ixgbe_psum(struct ixgbe_adapter *adapter, struct sk_buff *skb, + __be16 protocol) { u32 rtn = 0; - __be16 protocol; - - if (skb->protocol == cpu_to_be16(ETH_P_8021Q)) - protocol = ((const struct vlan_ethhdr *)skb->data)-> - h_vlan_encapsulated_proto; - else - protocol = skb->protocol; switch (protocol) { case cpu_to_be16(ETH_P_IP): @@ -5943,7 +5938,7 @@ static u32 ixgbe_psum(struct ixgbe_adapter *adapter, struct sk_buff *skb) default: if (unlikely(net_ratelimit())) e_warn(probe, "partial checksum but proto=%x!\n", - skb->protocol); + protocol); break; } @@ -5952,7 +5947,8 @@ static u32 ixgbe_psum(struct ixgbe_adapter *adapter, struct sk_buff *skb) static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter, struct ixgbe_ring *tx_ring, - struct sk_buff *skb, u32 tx_flags) + struct sk_buff *skb, u32 tx_flags, + __be16 protocol) { struct ixgbe_adv_tx_context_desc *context_desc; unsigned int i; @@ -5981,7 +5977,7 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter, IXGBE_ADVTXD_DTYP_CTXT); if (skb->ip_summed == CHECKSUM_PARTIAL) - type_tucmd_mlhl |= ixgbe_psum(adapter, skb); + type_tucmd_mlhl |= ixgbe_psum(adapter, skb, protocol); context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl); /* use index zero for tx checksum offload */ @@ -6179,7 +6175,7 @@ static void ixgbe_tx_queue(struct ixgbe_adapter *adapter, } static void ixgbe_atr(struct ixgbe_adapter *adapter, struct sk_buff *skb, - int queue, u32 tx_flags) + int queue, u32 tx_flags, __be16 protocol) { struct ixgbe_atr_input atr_input; struct tcphdr *th; @@ -6190,7 +6186,7 @@ static void ixgbe_atr(struct ixgbe_adapter *adapter, struct sk_buff *skb, u8 l4type = 0; /* Right now, we support IPv4 only */ - if (skb->protocol != htons(ETH_P_IP)) + if (protocol != htons(ETH_P_IP)) return; /* check if we're UDP or TCP */ if (iph->protocol == IPPROTO_TCP) { @@ -6257,10 +6253,13 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb) { struct ixgbe_adapter *adapter = netdev_priv(dev); int txq = smp_processor_id(); - #ifdef IXGBE_FCOE - if ((skb->protocol == htons(ETH_P_FCOE)) || - (skb->protocol == htons(ETH_P_FIP))) { + __be16 protocol; + + protocol = vlan_get_protocol(skb); + + if ((protocol == htons(ETH_P_FCOE)) || + (protocol == htons(ETH_P_FIP))) { if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) { txq &= (adapter->ring_feature[RING_F_FCOE].indices - 1); txq += adapter->ring_feature[RING_F_FCOE].mask; @@ -6303,6 +6302,9 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct net_device *netdev int tso; int count = 0; unsigned int f; + __be16 protocol; + + protocol = vlan_get_protocol(skb); if (vlan_tx_tag_present(skb)) { tx_flags |= vlan_tx_tag_get(skb); @@ -6323,8 +6325,8 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct net_device *netdev /* for FCoE with DCB, we force the priority to what * was specified by the switch */ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED && - (skb->protocol == htons(ETH_P_FCOE) || - skb->protocol == htons(ETH_P_FIP))) { + (protocol == htons(ETH_P_FCOE) || + protocol == htons(ETH_P_FIP))) { #ifdef CONFIG_IXGBE_DCB if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { tx_flags &= ~(IXGBE_TX_FLAGS_VLAN_PRIO_MASK @@ -6334,7 +6336,7 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct net_device *netdev } #endif /* flag for FCoE offloads */ - if (skb->protocol == htons(ETH_P_FCOE)) + if (protocol == htons(ETH_P_FCOE)) tx_flags |= IXGBE_TX_FLAGS_FCOE; } #endif @@ -6368,9 +6370,10 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct net_device *netdev tx_flags |= IXGBE_TX_FLAGS_FSO; #endif /* IXGBE_FCOE */ } else { - if (skb->protocol == htons(ETH_P_IP)) + if (protocol == htons(ETH_P_IP)) tx_flags |= IXGBE_TX_FLAGS_IPV4; - tso = ixgbe_tso(adapter, tx_ring, skb, tx_flags, &hdr_len); + tso = ixgbe_tso(adapter, tx_ring, skb, tx_flags, &hdr_len, + protocol); if (tso < 0) { dev_kfree_skb_any(skb); return NETDEV_TX_OK; @@ -6378,7 +6381,8 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct net_device *netdev if (tso) tx_flags |= IXGBE_TX_FLAGS_TSO; - else if (ixgbe_tx_csum(adapter, tx_ring, skb, tx_flags) && + else if (ixgbe_tx_csum(adapter, tx_ring, skb, tx_flags, + protocol) && (skb->ip_summed == CHECKSUM_PARTIAL)) tx_flags |= IXGBE_TX_FLAGS_CSUM; } @@ -6392,7 +6396,7 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct net_device *netdev test_bit(__IXGBE_FDIR_INIT_DONE, &tx_ring->reinit_state)) { ixgbe_atr(adapter, skb, tx_ring->queue_index, - tx_flags); + tx_flags, protocol); tx_ring->atr_count = 0; } } diff --git a/drivers/net/jme.c b/drivers/net/jme.c index d85edf3119c..c57d9a43cec 100644 --- a/drivers/net/jme.c +++ b/drivers/net/jme.c @@ -2955,11 +2955,7 @@ jme_init_one(struct pci_dev *pdev, * Tell stack that we are not ready to work until open() */ netif_carrier_off(netdev); - netif_stop_queue(netdev); - /* - * Register netdev - */ rc = register_netdev(netdev); if (rc) { pr_err("Cannot register net device\n"); diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index a75ba951740..e1d30d7f207 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -41,9 +41,6 @@ MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Converged Ethernet Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); -MODULE_FIRMWARE(NX_P2_MN_ROMIMAGE_NAME); -MODULE_FIRMWARE(NX_P3_CT_ROMIMAGE_NAME); -MODULE_FIRMWARE(NX_P3_MN_ROMIMAGE_NAME); MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME); char netxen_nic_driver_name[] = "netxen_nic"; diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c index d2e166e29dd..8a4d19e5de0 100644 --- a/drivers/net/pcmcia/axnet_cs.c +++ b/drivers/net/pcmcia/axnet_cs.c @@ -111,13 +111,14 @@ static irqreturn_t ax_interrupt(int irq, void *dev_id); typedef struct axnet_dev_t { struct pcmcia_device *p_dev; - caddr_t base; - struct timer_list watchdog; - int stale, fast_poll; - u_short link_status; - u_char duplex_flag; - int phy_id; - int flags; + caddr_t base; + struct timer_list watchdog; + int stale, fast_poll; + u_short link_status; + u_char duplex_flag; + int phy_id; + int flags; + int active_low; } axnet_dev_t; static inline axnet_dev_t *PRIV(struct net_device *dev) @@ -322,6 +323,8 @@ static int axnet_config(struct pcmcia_device *link) if (info->flags & IS_AX88790) outb(0x10, dev->base_addr + AXNET_GPIO); /* select Internal PHY */ + info->active_low = 0; + for (i = 0; i < 32; i++) { j = mdio_read(dev->base_addr + AXNET_MII_EEP, i, 1); j2 = mdio_read(dev->base_addr + AXNET_MII_EEP, i, 2); @@ -329,15 +332,18 @@ static int axnet_config(struct pcmcia_device *link) if ((j != 0) && (j != 0xffff)) break; } - /* Maybe PHY is in power down mode. (PPD_SET = 1) - Bit 2 of CCSR is active low. */ if (i == 32) { + /* Maybe PHY is in power down mode. (PPD_SET = 1) + Bit 2 of CCSR is active low. */ pcmcia_write_config_byte(link, CISREG_CCSR, 0x04); for (i = 0; i < 32; i++) { j = mdio_read(dev->base_addr + AXNET_MII_EEP, i, 1); j2 = mdio_read(dev->base_addr + AXNET_MII_EEP, i, 2); if (j == j2) continue; - if ((j != 0) && (j != 0xffff)) break; + if ((j != 0) && (j != 0xffff)) { + info->active_low = 1; + break; + } } } @@ -383,8 +389,12 @@ static int axnet_suspend(struct pcmcia_device *link) static int axnet_resume(struct pcmcia_device *link) { struct net_device *dev = link->priv; + axnet_dev_t *info = PRIV(dev); if (link->open) { + if (info->active_low == 1) + pcmcia_write_config_byte(link, CISREG_CCSR, 0x04); + axnet_reset_8390(dev); AX88190_init(dev, 1); netif_device_attach(dev); diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index f0bd1a1aba3..e8b9c53c304 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -30,11 +30,14 @@ #include <linux/ethtool.h> #include <linux/phy.h> #include <linux/marvell_phy.h> +#include <linux/of.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/uaccess.h> +#define MII_MARVELL_PHY_PAGE 22 + #define MII_M1011_IEVENT 0x13 #define MII_M1011_IEVENT_CLEAR 0x0000 @@ -80,7 +83,6 @@ #define MII_88E1121_PHY_LED_CTRL 16 #define MII_88E1121_PHY_LED_PAGE 3 #define MII_88E1121_PHY_LED_DEF 0x0030 -#define MII_88E1121_PHY_PAGE 22 #define MII_M1011_PHY_STATUS 0x11 #define MII_M1011_PHY_STATUS_1000 0x8000 @@ -186,13 +188,94 @@ static int marvell_config_aneg(struct phy_device *phydev) return 0; } +#ifdef CONFIG_OF_MDIO +/* + * Set and/or override some configuration registers based on the + * marvell,reg-init property stored in the of_node for the phydev. + * + * marvell,reg-init = <reg-page reg mask value>,...; + * + * There may be one or more sets of <reg-page reg mask value>: + * + * reg-page: which register bank to use. + * reg: the register. + * mask: if non-zero, ANDed with existing register value. + * value: ORed with the masked value and written to the regiser. + * + */ +static int marvell_of_reg_init(struct phy_device *phydev) +{ + const __be32 *paddr; + int len, i, saved_page, current_page, page_changed, ret; + + if (!phydev->dev.of_node) + return 0; + + paddr = of_get_property(phydev->dev.of_node, "marvell,reg-init", &len); + if (!paddr || len < (4 * sizeof(*paddr))) + return 0; + + saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE); + if (saved_page < 0) + return saved_page; + page_changed = 0; + current_page = saved_page; + + ret = 0; + len /= sizeof(*paddr); + for (i = 0; i < len - 3; i += 4) { + u16 reg_page = be32_to_cpup(paddr + i); + u16 reg = be32_to_cpup(paddr + i + 1); + u16 mask = be32_to_cpup(paddr + i + 2); + u16 val_bits = be32_to_cpup(paddr + i + 3); + int val; + + if (reg_page != current_page) { + current_page = reg_page; + page_changed = 1; + ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page); + if (ret < 0) + goto err; + } + + val = 0; + if (mask) { + val = phy_read(phydev, reg); + if (val < 0) { + ret = val; + goto err; + } + val &= mask; + } + val |= val_bits; + + ret = phy_write(phydev, reg, val); + if (ret < 0) + goto err; + + } +err: + if (page_changed) { + i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page); + if (ret == 0) + ret = i; + } + return ret; +} +#else +static int marvell_of_reg_init(struct phy_device *phydev) +{ + return 0; +} +#endif /* CONFIG_OF_MDIO */ + static int m88e1121_config_aneg(struct phy_device *phydev) { int err, oldpage, mscr; - oldpage = phy_read(phydev, MII_88E1121_PHY_PAGE); + oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE); - err = phy_write(phydev, MII_88E1121_PHY_PAGE, + err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_MSCR_PAGE); if (err < 0) return err; @@ -218,7 +301,7 @@ static int m88e1121_config_aneg(struct phy_device *phydev) return err; } - phy_write(phydev, MII_88E1121_PHY_PAGE, oldpage); + phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage); err = phy_write(phydev, MII_BMCR, BMCR_RESET); if (err < 0) @@ -229,11 +312,11 @@ static int m88e1121_config_aneg(struct phy_device *phydev) if (err < 0) return err; - oldpage = phy_read(phydev, MII_88E1121_PHY_PAGE); + oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE); - phy_write(phydev, MII_88E1121_PHY_PAGE, MII_88E1121_PHY_LED_PAGE); + phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE); phy_write(phydev, MII_88E1121_PHY_LED_CTRL, MII_88E1121_PHY_LED_DEF); - phy_write(phydev, MII_88E1121_PHY_PAGE, oldpage); + phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage); err = genphy_config_aneg(phydev); @@ -244,9 +327,9 @@ static int m88e1318_config_aneg(struct phy_device *phydev) { int err, oldpage, mscr; - oldpage = phy_read(phydev, MII_88E1121_PHY_PAGE); + oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE); - err = phy_write(phydev, MII_88E1121_PHY_PAGE, + err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_MSCR_PAGE); if (err < 0) return err; @@ -258,7 +341,7 @@ static int m88e1318_config_aneg(struct phy_device *phydev) if (err < 0) return err; - err = phy_write(phydev, MII_88E1121_PHY_PAGE, oldpage); + err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage); if (err < 0) return err; @@ -368,6 +451,9 @@ static int m88e1111_config_init(struct phy_device *phydev) return err; } + err = marvell_of_reg_init(phydev); + if (err < 0) + return err; err = phy_write(phydev, MII_BMCR, BMCR_RESET); if (err < 0) @@ -398,7 +484,7 @@ static int m88e1118_config_init(struct phy_device *phydev) int err; /* Change address */ - err = phy_write(phydev, 0x16, 0x0002); + err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002); if (err < 0) return err; @@ -408,7 +494,7 @@ static int m88e1118_config_init(struct phy_device *phydev) return err; /* Change address */ - err = phy_write(phydev, 0x16, 0x0003); + err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003); if (err < 0) return err; @@ -420,8 +506,42 @@ static int m88e1118_config_init(struct phy_device *phydev) if (err < 0) return err; + err = marvell_of_reg_init(phydev); + if (err < 0) + return err; + /* Reset address */ - err = phy_write(phydev, 0x16, 0x0); + err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0); + if (err < 0) + return err; + + err = phy_write(phydev, MII_BMCR, BMCR_RESET); + if (err < 0) + return err; + + return 0; +} + +static int m88e1149_config_init(struct phy_device *phydev) +{ + int err; + + /* Change address */ + err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002); + if (err < 0) + return err; + + /* Enable 1000 Mbit */ + err = phy_write(phydev, 0x15, 0x1048); + if (err < 0) + return err; + + err = marvell_of_reg_init(phydev); + if (err < 0) + return err; + + /* Reset address */ + err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0); if (err < 0) return err; @@ -491,6 +611,10 @@ static int m88e1145_config_init(struct phy_device *phydev) } } + err = marvell_of_reg_init(phydev); + if (err < 0) + return err; + return 0; } @@ -685,6 +809,19 @@ static struct phy_driver marvell_drivers[] = { .driver = { .owner = THIS_MODULE }, }, { + .phy_id = MARVELL_PHY_ID_88E1149R, + .phy_id_mask = MARVELL_PHY_ID_MASK, + .name = "Marvell 88E1149R", + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_init = &m88e1149_config_init, + .config_aneg = &m88e1118_config_aneg, + .read_status = &genphy_read_status, + .ack_interrupt = &marvell_ack_interrupt, + .config_intr = &marvell_config_intr, + .driver = { .owner = THIS_MODULE }, + }, + { .phy_id = MARVELL_PHY_ID_88E1240, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1240", @@ -735,6 +872,7 @@ static struct mdio_device_id __maybe_unused marvell_tbl[] = { { 0x01410e10, 0xfffffff0 }, { 0x01410cb0, 0xfffffff0 }, { 0x01410cd0, 0xfffffff0 }, + { 0x01410e50, 0xfffffff0 }, { 0x01410e30, 0xfffffff0 }, { 0x01410e90, 0xfffffff0 }, { } diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index 7a298cdf9ab..a3dcd04be22 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -1450,7 +1450,6 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter, netdev->irq = adapter->msix_entries[0].vector; netif_carrier_off(netdev); - netif_stop_queue(netdev); err = register_netdev(netdev); if (err) { diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index c30e0fe55a3..528eaef5308 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -62,15 +62,15 @@ static const u32 default_msg = /* NETIF_MSG_PKTDATA | */ NETIF_MSG_HW | NETIF_MSG_WOL | 0; -static int debug = 0x00007fff; /* defaults above */ -module_param(debug, int, 0); +static int debug = -1; /* defaults above */ +module_param(debug, int, 0664); MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); #define MSIX_IRQ 0 #define MSI_IRQ 1 #define LEG_IRQ 2 static int qlge_irq_type = MSIX_IRQ; -module_param(qlge_irq_type, int, MSIX_IRQ); +module_param(qlge_irq_type, int, 0664); MODULE_PARM_DESC(qlge_irq_type, "0 = MSI-X, 1 = MSI, 2 = Legacy."); static int qlge_mpi_coredump; diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index d88ce9fb1cb..7d33ef4bcb4 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -846,10 +846,10 @@ static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) else tp->features &= ~RTL_FEATURE_WOL; __rtl8169_set_wol(tp, wol->wolopts); - device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts); - spin_unlock_irq(&tp->lock); + device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts); + return 0; } @@ -2931,7 +2931,7 @@ static const struct rtl_cfg_info { .hw_start = rtl_hw_start_8168, .region = 2, .align = 8, - .intr_event = SYSErr | RxFIFOOver | LinkChg | RxOverflow | + .intr_event = SYSErr | LinkChg | RxOverflow | TxErr | TxOK | RxOK | RxErr, .napi_event = TxErr | TxOK | RxOK | RxOverflow, .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI, @@ -4440,8 +4440,7 @@ static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1) u32 status = opts1 & RxProtoMask; if (((status == RxProtoTCP) && !(opts1 & TCPFail)) || - ((status == RxProtoUDP) && !(opts1 & UDPFail)) || - ((status == RxProtoIP) && !(opts1 & IPFail))) + ((status == RxProtoUDP) && !(opts1 & UDPFail))) skb->ip_summed = CHECKSUM_UNNECESSARY; else skb_checksum_none_assert(skb); @@ -4588,7 +4587,8 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) } /* Work around for rx fifo overflow */ - if (unlikely(status & RxFIFOOver)) { + if (unlikely(status & RxFIFOOver) && + (tp->mac_version == RTL_GIGA_MAC_VER_11)) { netif_stop_queue(dev); rtl8169_tx_timeout(dev); break; diff --git a/drivers/net/skge.c b/drivers/net/skge.c index bfec2e0f527..220e0398f1d 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -3858,7 +3858,6 @@ static struct net_device *skge_devinit(struct skge_hw *hw, int port, /* device is off until link detection */ netif_carrier_off(dev); - netif_stop_queue(dev); return dev; } diff --git a/drivers/net/smsc911x.h b/drivers/net/smsc911x.h index 52f38e12a87..50f712e99e9 100644 --- a/drivers/net/smsc911x.h +++ b/drivers/net/smsc911x.h @@ -22,7 +22,7 @@ #define __SMSC911X_H__ #define TX_FIFO_LOW_THRESHOLD ((u32)1600) -#define SMSC911X_EEPROM_SIZE ((u32)7) +#define SMSC911X_EEPROM_SIZE ((u32)128) #define USE_DEBUG 0 /* This is the maximum number of packets to be received every diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index 28e1ffb13db..c78a50586c1 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -2021,7 +2021,6 @@ static int __devinit de_init_one (struct pci_dev *pdev, de->media_timer.data = (unsigned long) de; netif_carrier_off(dev); - netif_stop_queue(dev); /* wake up device, assign resources */ rc = pci_enable_device(pdev); diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index a4c3f570824..acbdab3d66c 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -2050,12 +2050,16 @@ static void ucc_geth_stop(struct ucc_geth_private *ugeth) ugeth_vdbg("%s: IN", __func__); + /* + * Tell the kernel the link is down. + * Must be done before disabling the controller + * or deadlock may happen. + */ + phy_stop(phydev); + /* Disable the controller */ ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); - /* Tell the kernel the link is down */ - phy_stop(phydev); - /* Mask all interrupts */ out_be32(ugeth->uccf->p_uccm, 0x00000000); @@ -2065,9 +2069,6 @@ static void ucc_geth_stop(struct ucc_geth_private *ugeth) /* Disable Rx and Tx */ clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX); - phy_disconnect(ugeth->phydev); - ugeth->phydev = NULL; - ucc_geth_memclean(ugeth); } @@ -3550,7 +3551,10 @@ static int ucc_geth_close(struct net_device *dev) napi_disable(&ugeth->napi); + cancel_work_sync(&ugeth->timeout_work); ucc_geth_stop(ugeth); + phy_disconnect(ugeth->phydev); + ugeth->phydev = NULL; free_irq(ugeth->ug_info->uf_info.irq, ugeth->ndev); @@ -3579,8 +3583,12 @@ static void ucc_geth_timeout_work(struct work_struct *work) * Must reset MAC *and* PHY. This is done by reopening * the device. */ - ucc_geth_close(dev); - ucc_geth_open(dev); + netif_tx_stop_all_queues(dev); + ucc_geth_stop(ugeth); + ucc_geth_init_mac(ugeth); + /* Must start PHY here */ + phy_start(ugeth->phydev); + netif_tx_start_all_queues(dev); } netif_tx_schedule_all(dev); @@ -3594,7 +3602,6 @@ static void ucc_geth_timeout(struct net_device *dev) { struct ucc_geth_private *ugeth = netdev_priv(dev); - netif_carrier_off(dev); schedule_work(&ugeth->timeout_work); } diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index ca7fc9df1cc..c04d49e31f8 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -45,6 +45,7 @@ #include <linux/usb/usbnet.h> #include <linux/slab.h> #include <linux/kernel.h> +#include <linux/pm_runtime.h> #define DRIVER_VERSION "22-Aug-2005" @@ -1273,6 +1274,16 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) struct usb_device *xdev; int status; const char *name; + struct usb_driver *driver = to_usb_driver(udev->dev.driver); + + /* usbnet already took usb runtime pm, so have to enable the feature + * for usb interface, otherwise usb_autopm_get_interface may return + * failure if USB_SUSPEND(RUNTIME_PM) is enabled. + */ + if (!driver->supports_autosuspend) { + driver->supports_autosuspend = 1; + pm_runtime_enable(&udev->dev); + } name = udev->dev.driver->name; info = (struct driver_info *) prod->driver_info; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index bb6b67f6b0c..b6d402806ae 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -986,9 +986,15 @@ static int virtnet_probe(struct virtio_device *vdev) goto unregister; } - vi->status = VIRTIO_NET_S_LINK_UP; - virtnet_update_status(vi); - netif_carrier_on(dev); + /* Assume link up if device can't report link status, + otherwise get link status from config. */ + if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_STATUS)) { + netif_carrier_off(dev); + virtnet_update_status(vi); + } else { + vi->status = VIRTIO_NET_S_LINK_UP; + netif_carrier_on(dev); + } pr_debug("virtnet: registered device %s\n", dev->name); return 0; diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c index a0471f2e1c7..48261b7252d 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c @@ -410,6 +410,9 @@ static void ar9002_hw_configpcipowersave(struct ath_hw *ah, val &= ~(AR_WA_BIT6 | AR_WA_BIT7); } + if (AR_SREV_9280(ah)) + val |= AR_WA_BIT22; + if (AR_SREV_9285E_20(ah)) val |= AR_WA_BIT23; diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 9b8e7e3fceb..170d44a35cc 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -675,6 +675,7 @@ static inline void ath_read_cachesize(struct ath_common *common, int *csz) } extern struct ieee80211_ops ath9k_ops; +extern struct pm_qos_request_list ath9k_pm_qos_req; extern int modparam_nohwcrypt; extern int led_blink; diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c index 966b9496a9d..195406db3bd 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c @@ -37,7 +37,7 @@ static bool ath9k_hw_ar9287_fill_eeprom(struct ath_hw *ah) int addr, eep_start_loc; eep_data = (u16 *)eep; - if (ah->hw_version.devid == 0x7015) + if (AR9287_HTC_DEVID(ah)) eep_start_loc = AR9287_HTC_EEP_START_LOC; else eep_start_loc = AR9287_EEP_START_LOC; diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 6576f683dba..dfb6560dab9 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -35,8 +35,14 @@ static struct usb_device_id ath9k_hif_usb_ids[] = { { USB_DEVICE(0x07D1, 0x3A10) }, /* Dlink Wireless 150 */ { USB_DEVICE(0x13D3, 0x3327) }, /* Azurewave */ { USB_DEVICE(0x13D3, 0x3328) }, /* Azurewave */ + { USB_DEVICE(0x13D3, 0x3346) }, /* IMC Networks */ + { USB_DEVICE(0x13D3, 0x3348) }, /* Azurewave */ + { USB_DEVICE(0x13D3, 0x3349) }, /* Azurewave */ + { USB_DEVICE(0x13D3, 0x3350) }, /* Azurewave */ { USB_DEVICE(0x04CA, 0x4605) }, /* Liteon */ { USB_DEVICE(0x083A, 0xA704) }, /* SMC Networks */ + { USB_DEVICE(0x040D, 0x3801) }, /* VIA */ + { USB_DEVICE(0x1668, 0x1200) }, /* Verizon */ { }, }; @@ -540,11 +546,11 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb) return; } - usb_fill_int_urb(urb, hif_dev->udev, + usb_fill_bulk_urb(urb, hif_dev->udev, usb_rcvbulkpipe(hif_dev->udev, USB_REG_IN_PIPE), nskb->data, MAX_REG_IN_BUF_SIZE, - ath9k_hif_usb_reg_in_cb, nskb, 1); + ath9k_hif_usb_reg_in_cb, nskb); ret = usb_submit_urb(urb, GFP_ATOMIC); if (ret) { @@ -720,11 +726,11 @@ static int ath9k_hif_usb_alloc_reg_in_urb(struct hif_device_usb *hif_dev) if (!skb) goto err; - usb_fill_int_urb(hif_dev->reg_in_urb, hif_dev->udev, + usb_fill_bulk_urb(hif_dev->reg_in_urb, hif_dev->udev, usb_rcvbulkpipe(hif_dev->udev, USB_REG_IN_PIPE), skb->data, MAX_REG_IN_BUF_SIZE, - ath9k_hif_usb_reg_in_cb, skb, 1); + ath9k_hif_usb_reg_in_cb, skb); if (usb_submit_urb(hif_dev->reg_in_urb, GFP_KERNEL) != 0) goto err; @@ -805,6 +811,8 @@ static int ath9k_hif_usb_download_fw(struct hif_device_usb *hif_dev) case 0x7010: case 0x7015: case 0x9018: + case 0xA704: + case 0x1200: firm_offset = AR7010_FIRMWARE_TEXT; break; default: @@ -843,14 +851,6 @@ static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev) goto err_fw_req; } - /* Alloc URBs */ - ret = ath9k_hif_usb_alloc_urbs(hif_dev); - if (ret) { - dev_err(&hif_dev->udev->dev, - "ath9k_htc: Unable to allocate URBs\n"); - goto err_urb; - } - /* Download firmware */ ret = ath9k_hif_usb_download_fw(hif_dev); if (ret) { @@ -866,16 +866,22 @@ static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev) */ for (idx = 0; idx < alt->desc.bNumEndpoints; idx++) { endp = &alt->endpoint[idx].desc; - if (((endp->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK) - == 0x04) && - ((endp->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_INT)) { + if ((endp->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) + == USB_ENDPOINT_XFER_INT) { endp->bmAttributes &= ~USB_ENDPOINT_XFERTYPE_MASK; endp->bmAttributes |= USB_ENDPOINT_XFER_BULK; endp->bInterval = 0; } } + /* Alloc URBs */ + ret = ath9k_hif_usb_alloc_urbs(hif_dev); + if (ret) { + dev_err(&hif_dev->udev->dev, + "ath9k_htc: Unable to allocate URBs\n"); + goto err_urb; + } + return 0; err_fw_download: @@ -929,6 +935,8 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface, case 0x7010: case 0x7015: case 0x9018: + case 0xA704: + case 0x1200: if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x0202) hif_dev->fw_name = FIRMWARE_AR7010_1_1; else diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index 3d7b97f1b3a..7c8a38d0456 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -249,6 +249,8 @@ static int ath9k_init_htc_services(struct ath9k_htc_priv *priv, u16 devid) case 0x7010: case 0x7015: case 0x9018: + case 0xA704: + case 0x1200: priv->htc->credits = 45; break; default: diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index 3d19b5bc937..29d80ca7839 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -121,7 +121,7 @@ int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb) tx_hdr.data_type = ATH9K_HTC_NORMAL; } - if (ieee80211_is_data(fc)) { + if (ieee80211_is_data_qos(fc)) { qc = ieee80211_get_qos_ctl(hdr); tx_hdr.tidno = qc[0] & IEEE80211_QOS_CTL_TID_MASK; } diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index cc13ee11782..6ebc68bca91 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -484,6 +484,7 @@ static int ath9k_hw_post_init(struct ath_hw *ah) ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL, "Failed allocating banks for " "external radio\n"); + ath9k_hw_rf_free_ext_banks(ah); return ecode; } @@ -952,9 +953,12 @@ static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode) REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION); break; case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_MONITOR: REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE); break; + default: + if (ah->is_monitoring) + REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE); + break; } } @@ -1634,7 +1638,6 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period) switch (ah->opmode) { case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_MONITOR: REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon)); REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, 0xffff); REG_WRITE(ah, AR_NEXT_SWBA, 0x7ffff); @@ -1663,6 +1666,14 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period) AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN; break; default: + if (ah->is_monitoring) { + REG_WRITE(ah, AR_NEXT_TBTT_TIMER, + TU_TO_USEC(next_beacon)); + REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, 0xffff); + REG_WRITE(ah, AR_NEXT_SWBA, 0x7ffff); + flags |= AR_TBTT_TIMER_EN; + break; + } ath_print(ath9k_hw_common(ah), ATH_DBG_BEACON, "%s: unsupported opmode: %d\n", __func__, ah->opmode); diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index d032939768b..d47d1b4b600 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -622,6 +622,7 @@ struct ath_hw { bool sw_mgmt_crypto; bool is_pciexpress; + bool is_monitoring; bool need_an_top2_fixup; u16 tx_trig_level; diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 95b41db0d86..92bc5c5f487 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -15,6 +15,7 @@ */ #include <linux/slab.h> +#include <linux/pm_qos_params.h> #include "ath9k.h" @@ -179,6 +180,8 @@ static const struct ath_ops ath9k_common_ops = { .write = ath9k_iowrite32, }; +struct pm_qos_request_list ath9k_pm_qos_req; + /**************************/ /* Initialization */ /**************************/ @@ -756,6 +759,9 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid, ath_init_leds(sc); ath_start_rfkill_poll(sc); + pm_qos_add_request(&ath9k_pm_qos_req, PM_QOS_CPU_DMA_LATENCY, + PM_QOS_DEFAULT_VALUE); + return 0; error_world: @@ -824,6 +830,7 @@ void ath9k_deinit_device(struct ath_softc *sc) } ieee80211_unregister_hw(hw); + pm_qos_remove_request(&ath9k_pm_qos_req); ath_rx_cleanup(sc); ath_tx_cleanup(sc); ath9k_deinit_softc(sc); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index b52f1cf8a60..25d3ef4c338 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -15,6 +15,7 @@ */ #include <linux/nl80211.h> +#include <linux/pm_qos_params.h> #include "ath9k.h" #include "btcoex.h" @@ -93,11 +94,13 @@ void ath9k_ps_wakeup(struct ath_softc *sc) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); unsigned long flags; + enum ath9k_power_mode power_mode; spin_lock_irqsave(&sc->sc_pm_lock, flags); if (++sc->ps_usecount != 1) goto unlock; + power_mode = sc->sc_ah->power_mode; ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE); /* @@ -105,10 +108,12 @@ void ath9k_ps_wakeup(struct ath_softc *sc) * useful data. Better clear them now so that they don't mess up * survey data results. */ - spin_lock(&common->cc_lock); - ath_hw_cycle_counters_update(common); - memset(&common->cc_survey, 0, sizeof(common->cc_survey)); - spin_unlock(&common->cc_lock); + if (power_mode != ATH9K_PM_AWAKE) { + spin_lock(&common->cc_lock); + ath_hw_cycle_counters_update(common); + memset(&common->cc_survey, 0, sizeof(common->cc_survey)); + spin_unlock(&common->cc_lock); + } unlock: spin_unlock_irqrestore(&sc->sc_pm_lock, flags); @@ -1217,6 +1222,7 @@ static int ath9k_start(struct ieee80211_hw *hw) ah->imask |= ATH9K_INT_CST; sc->sc_flags &= ~SC_OP_INVALID; + sc->sc_ah->is_monitoring = false; /* Disable BMISS interrupt when we're not associated */ ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS); @@ -1238,6 +1244,8 @@ static int ath9k_start(struct ieee80211_hw *hw) ath9k_btcoex_timer_resume(sc); } + pm_qos_update_request(&ath9k_pm_qos_req, 55); + mutex_unlock: mutex_unlock(&sc->mutex); @@ -1415,6 +1423,8 @@ static void ath9k_stop(struct ieee80211_hw *hw) sc->sc_flags |= SC_OP_INVALID; + pm_qos_update_request(&ath9k_pm_qos_req, PM_QOS_DEFAULT_VALUE); + mutex_unlock(&sc->mutex); ath_print(common, ATH_DBG_CONFIG, "Driver halt\n"); @@ -1493,8 +1503,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw, ath9k_hw_set_interrupts(ah, ah->imask); if (vif->type == NL80211_IFTYPE_AP || - vif->type == NL80211_IFTYPE_ADHOC || - vif->type == NL80211_IFTYPE_MONITOR) { + vif->type == NL80211_IFTYPE_ADHOC) { sc->sc_flags |= SC_OP_ANI_RUN; ath_start_ani(common); } @@ -1644,8 +1653,12 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) if (changed & IEEE80211_CONF_CHANGE_MONITOR) { if (conf->flags & IEEE80211_CONF_MONITOR) { ath_print(common, ATH_DBG_CONFIG, - "HW opmode set to Monitor mode\n"); - sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR; + "Monitor mode is enabled\n"); + sc->sc_ah->is_monitoring = true; + } else { + ath_print(common, ATH_DBG_CONFIG, + "Monitor mode is disabled\n"); + sc->sc_ah->is_monitoring = false; } } diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index fddb0129bb5..c76ea53c20c 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -441,7 +441,7 @@ u32 ath_calcrxfilter(struct ath_softc *sc) */ if (((sc->sc_ah->opmode != NL80211_IFTYPE_AP) && (sc->rx.rxfilter & FIF_PROMISC_IN_BSS)) || - (sc->sc_ah->opmode == NL80211_IFTYPE_MONITOR)) + (sc->sc_ah->is_monitoring)) rfilt |= ATH9K_RX_FILTER_PROM; if (sc->rx.rxfilter & FIF_CONTROL) @@ -897,7 +897,7 @@ static bool ath9k_rx_accept(struct ath_common *common, * decryption and MIC failures. For monitor mode, * we also ignore the CRC error. */ - if (ah->opmode == NL80211_IFTYPE_MONITOR) { + if (ah->is_monitoring) { if (rx_stats->rs_status & ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC | ATH9K_RXERR_CRC)) diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index 42976b0a01c..dddf579aacf 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -703,6 +703,7 @@ #define AR_WA_RESET_EN (1 << 18) /* Sw Control to enable PCI-Reset to POR (bit 15) */ #define AR_WA_ANALOG_SHIFT (1 << 20) #define AR_WA_POR_SHORT (1 << 21) /* PCI-E Phy reset control */ +#define AR_WA_BIT22 (1 << 22) #define AR9285_WA_DEFAULT 0x004a050b #define AR9280_WA_DEFAULT 0x0040073b #define AR_WA_DEFAULT 0x0000073f @@ -865,7 +866,13 @@ #define AR_DEVID_7010(_ah) \ (((_ah)->hw_version.devid == 0x7010) || \ ((_ah)->hw_version.devid == 0x7015) || \ - ((_ah)->hw_version.devid == 0x9018)) + ((_ah)->hw_version.devid == 0x9018) || \ + ((_ah)->hw_version.devid == 0xA704) || \ + ((_ah)->hw_version.devid == 0x1200)) + +#define AR9287_HTC_DEVID(_ah) \ + (((_ah)->hw_version.devid == 0x7015) || \ + ((_ah)->hw_version.devid == 0x1200)) #define AR_RADIO_SREV_MAJOR 0xf0 #define AR_RAD5133_SREV_MAJOR 0xc0 diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c index d8607f4c144..7504ed14c72 100644 --- a/drivers/net/wireless/ath/carl9170/usb.c +++ b/drivers/net/wireless/ath/carl9170/usb.c @@ -82,9 +82,11 @@ static struct usb_device_id carl9170_usb_ids[] = { { USB_DEVICE(0x07d1, 0x3c10) }, /* D-Link DWA 160 A2 */ { USB_DEVICE(0x07d1, 0x3a09) }, + /* D-Link DWA 130 D */ + { USB_DEVICE(0x07d1, 0x3a0f) }, /* Netgear WNA1000 */ { USB_DEVICE(0x0846, 0x9040) }, - /* Netgear WNDA3100 */ + /* Netgear WNDA3100 (v1) */ { USB_DEVICE(0x0846, 0x9010) }, /* Netgear WN111 v2 */ { USB_DEVICE(0x0846, 0x9001), .driver_info = CARL9170_ONE_LED }, @@ -551,12 +553,12 @@ static int carl9170_usb_flush(struct ar9170 *ar) usb_free_urb(urb); } - ret = usb_wait_anchor_empty_timeout(&ar->tx_cmd, HZ); + ret = usb_wait_anchor_empty_timeout(&ar->tx_cmd, 1000); if (ret == 0) err = -ETIMEDOUT; /* lets wait a while until the tx - queues are dried out */ - ret = usb_wait_anchor_empty_timeout(&ar->tx_anch, HZ); + ret = usb_wait_anchor_empty_timeout(&ar->tx_anch, 1000); if (ret == 0) err = -ETIMEDOUT; diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c index 32dee2ce5d3..d5ef696298e 100644 --- a/drivers/net/wireless/ipw2x00/libipw_module.c +++ b/drivers/net/wireless/ipw2x00/libipw_module.c @@ -54,6 +54,7 @@ #define DRV_DESCRIPTION "802.11 data/management/control stack" #define DRV_NAME "libipw" +#define DRV_PROCNAME "ieee80211" #define DRV_VERSION LIBIPW_VERSION #define DRV_COPYRIGHT "Copyright (C) 2004-2005 Intel Corporation <jketreno@linux.intel.com>" @@ -293,16 +294,16 @@ static int __init libipw_init(void) struct proc_dir_entry *e; libipw_debug_level = debug; - libipw_proc = proc_mkdir("ieee80211", init_net.proc_net); + libipw_proc = proc_mkdir(DRV_PROCNAME, init_net.proc_net); if (libipw_proc == NULL) { - LIBIPW_ERROR("Unable to create " DRV_NAME + LIBIPW_ERROR("Unable to create " DRV_PROCNAME " proc directory\n"); return -EIO; } e = proc_create("debug_level", S_IRUGO | S_IWUSR, libipw_proc, &debug_level_proc_fops); if (!e) { - remove_proc_entry(DRV_NAME, init_net.proc_net); + remove_proc_entry(DRV_PROCNAME, init_net.proc_net); libipw_proc = NULL; return -EIO; } @@ -319,7 +320,7 @@ static void __exit libipw_exit(void) #ifdef CONFIG_LIBIPW_DEBUG if (libipw_proc) { remove_proc_entry("debug_level", libipw_proc); - remove_proc_entry(DRV_NAME, init_net.proc_net); + remove_proc_entry(DRV_PROCNAME, init_net.proc_net); libipw_proc = NULL; } #endif /* CONFIG_LIBIPW_DEBUG */ diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 8f8c4b73f8b..7edf8c2fb8c 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -4000,7 +4000,8 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e * "the hard way", rather than using device's scan. */ if (iwl3945_mod_params.disable_hw_scan) { - IWL_ERR(priv, "sw scan support is deprecated\n"); + dev_printk(KERN_DEBUG, &(pdev->dev), + "sw scan support is deprecated\n"); iwl3945_hw_ops.hw_scan = NULL; } diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index 5046a000503..373930afc26 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -700,8 +700,9 @@ static void lbs_scan_worker(struct work_struct *work) if (priv->scan_channel < priv->scan_req->n_channels) { cancel_delayed_work(&priv->scan_work); - queue_delayed_work(priv->work_thread, &priv->scan_work, - msecs_to_jiffies(300)); + if (!priv->stopping) + queue_delayed_work(priv->work_thread, &priv->scan_work, + msecs_to_jiffies(300)); } /* This is the final data we are about to send */ diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h index f062ed58390..cb14c38caf3 100644 --- a/drivers/net/wireless/libertas/dev.h +++ b/drivers/net/wireless/libertas/dev.h @@ -36,6 +36,7 @@ struct lbs_private { /* CFG80211 */ struct wireless_dev *wdev; bool wiphy_registered; + bool stopping; struct cfg80211_scan_request *scan_req; u8 assoc_bss[ETH_ALEN]; u8 disassoc_reason; diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index 47ce5a6ba12..46b88b118c9 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c @@ -104,6 +104,7 @@ static int lbs_dev_open(struct net_device *dev) lbs_deb_enter(LBS_DEB_NET); spin_lock_irq(&priv->driver_lock); + priv->stopping = false; if (priv->connect_status == LBS_CONNECTED) netif_carrier_on(dev); @@ -131,10 +132,16 @@ static int lbs_eth_stop(struct net_device *dev) lbs_deb_enter(LBS_DEB_NET); spin_lock_irq(&priv->driver_lock); + priv->stopping = true; netif_stop_queue(dev); spin_unlock_irq(&priv->driver_lock); schedule_work(&priv->mcast_work); + cancel_delayed_work_sync(&priv->scan_work); + if (priv->scan_req) { + cfg80211_scan_done(priv->scan_req, false); + priv->scan_req = NULL; + } lbs_deb_leave(LBS_DEB_NET); return 0; diff --git a/drivers/net/wireless/orinoco/orinoco_usb.c b/drivers/net/wireless/orinoco/orinoco_usb.c index a38a7bd25f1..b9aedf18a04 100644 --- a/drivers/net/wireless/orinoco/orinoco_usb.c +++ b/drivers/net/wireless/orinoco/orinoco_usb.c @@ -57,7 +57,6 @@ #include <linux/fcntl.h> #include <linux/spinlock.h> #include <linux/list.h> -#include <linux/smp_lock.h> #include <linux/usb.h> #include <linux/timer.h> diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig index eea1ef2f502..4396d4b9bfb 100644 --- a/drivers/net/wireless/rt2x00/Kconfig +++ b/drivers/net/wireless/rt2x00/Kconfig @@ -221,9 +221,6 @@ config RT2X00_LIB_LEDS boolean default y if (RT2X00_LIB=y && LEDS_CLASS=y) || (RT2X00_LIB=m && LEDS_CLASS!=n) -comment "rt2x00 leds support disabled due to modularized LEDS_CLASS and built-in rt2x00" - depends on RT2X00_LIB=y && LEDS_CLASS=m - config RT2X00_LIB_DEBUGFS bool "Ralink debugfs support" depends on RT2X00_LIB && MAC80211_DEBUGFS diff --git a/drivers/parisc/eisa_eeprom.c b/drivers/parisc/eisa_eeprom.c index cce00ed81f3..af212c6a615 100644 --- a/drivers/parisc/eisa_eeprom.c +++ b/drivers/parisc/eisa_eeprom.c @@ -24,7 +24,6 @@ #include <linux/kernel.h> #include <linux/miscdevice.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <asm/io.h> #include <asm/uaccess.h> diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 5624db8c9ad..003170ea2e3 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -64,17 +64,57 @@ void pci_bus_remove_resources(struct pci_bus *bus) } } +static bool pci_bus_resource_better(struct resource *res1, bool pos1, + struct resource *res2, bool pos2) +{ + /* If exactly one is positive decode, always prefer that one */ + if (pos1 != pos2) + return pos1 ? true : false; + + /* Prefer the one that contains the highest address */ + if (res1->end != res2->end) + return (res1->end > res2->end) ? true : false; + + /* Otherwise, prefer the one with highest "center of gravity" */ + if (res1->start != res2->start) + return (res1->start > res2->start) ? true : false; + + /* Otherwise, choose one arbitrarily (but consistently) */ + return (res1 > res2) ? true : false; +} + +static bool pci_bus_resource_positive(struct pci_bus *bus, struct resource *res) +{ + struct pci_bus_resource *bus_res; + + /* + * This relies on the fact that pci_bus.resource[] refers to P2P or + * CardBus bridge base/limit registers, which are always positively + * decoded. The pci_bus.resources list contains host bridge or + * subtractively decoded resources. + */ + list_for_each_entry(bus_res, &bus->resources, list) { + if (bus_res->res == res) + return (bus_res->flags & PCI_SUBTRACTIVE_DECODE) ? + false : true; + } + return true; +} + /* - * Find the highest-address bus resource below the cursor "res". If the - * cursor is NULL, return the highest resource. + * Find the next-best bus resource after the cursor "res". If the cursor is + * NULL, return the best resource. "Best" means that we prefer positive + * decode regions over subtractive decode, then those at higher addresses. */ static struct resource *pci_bus_find_resource_prev(struct pci_bus *bus, unsigned int type, struct resource *res) { + bool res_pos, r_pos, prev_pos = false; struct resource *r, *prev = NULL; int i; + res_pos = pci_bus_resource_positive(bus, res); pci_bus_for_each_resource(bus, r, i) { if (!r) continue; @@ -82,26 +122,14 @@ static struct resource *pci_bus_find_resource_prev(struct pci_bus *bus, if ((r->flags & IORESOURCE_TYPE_BITS) != type) continue; - /* If this resource is at or past the cursor, skip it */ - if (res) { - if (r == res) - continue; - if (r->end > res->end) - continue; - if (r->end == res->end && r->start > res->start) - continue; + r_pos = pci_bus_resource_positive(bus, r); + if (!res || pci_bus_resource_better(res, res_pos, r, r_pos)) { + if (!prev || pci_bus_resource_better(r, r_pos, + prev, prev_pos)) { + prev = r; + prev_pos = r_pos; + } } - - if (!prev) - prev = r; - - /* - * A small resource is higher than a large one that ends at - * the same address. - */ - if (r->end > prev->end || - (r->end == prev->end && r->start > prev->start)) - prev = r; } return prev; diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c index 5becbdee402..2850e64deda 100644 --- a/drivers/pci/hotplug/ibmphp_ebda.c +++ b/drivers/pci/hotplug/ibmphp_ebda.c @@ -276,6 +276,12 @@ int __init ibmphp_access_ebda (void) for (;;) { offset = next_offset; + + /* Make sure what we read is still in the mapped section */ + if (WARN(offset > (ebda_sz * 1024 - 4), + "ibmphp_ebda: next read is beyond ebda_sz\n")) + break; + next_offset = readw (io_mem + offset); /* offset of next blk */ offset += 2; diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index b5a7d9bfcb2..63d5042f207 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -705,17 +705,21 @@ void pci_remove_legacy_files(struct pci_bus *b) #ifdef HAVE_PCI_MMAP -int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vma) +int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vma, + enum pci_mmap_api mmap_api) { - unsigned long nr, start, size; + unsigned long nr, start, size, pci_start; + if (pci_resource_len(pdev, resno) == 0) + return 0; nr = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; start = vma->vm_pgoff; size = ((pci_resource_len(pdev, resno) - 1) >> PAGE_SHIFT) + 1; - if (start < size && size - start >= nr) + pci_start = (mmap_api == PCI_MMAP_PROCFS) ? + pci_resource_start(pdev, resno) >> PAGE_SHIFT : 0; + if (start >= pci_start && start < pci_start + size && + start + nr <= pci_start + size) return 1; - WARN(1, "process \"%s\" tried to map 0x%08lx-0x%08lx on %s BAR %d (size 0x%08lx)\n", - current->comm, start, start+nr, pci_name(pdev), resno, size); return 0; } @@ -745,8 +749,15 @@ pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr, if (i >= PCI_ROM_RESOURCE) return -ENODEV; - if (!pci_mmap_fits(pdev, i, vma)) + if (!pci_mmap_fits(pdev, i, vma, PCI_MMAP_SYSFS)) { + WARN(1, "process \"%s\" tried to map 0x%08lx bytes " + "at page 0x%08lx on %s BAR %d (start 0x%16Lx, size 0x%16Lx)\n", + current->comm, vma->vm_end-vma->vm_start, vma->vm_pgoff, + pci_name(pdev), i, + (u64)pci_resource_start(pdev, i), + (u64)pci_resource_len(pdev, i)); return -EINVAL; + } /* pci_mmap_page_range() expects the same kind of entry as coming * from /proc/bus/pci/ which is a "user visible" value. If this is diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e98c8104297..710c8a29be0 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1007,6 +1007,18 @@ static int __pci_enable_device_flags(struct pci_dev *dev, int err; int i, bars = 0; + /* + * Power state could be unknown at this point, either due to a fresh + * boot or a device removal call. So get the current power state + * so that things like MSI message writing will behave as expected + * (e.g. if the device really is in D0 at enable time). + */ + if (dev->pm_cap) { + u16 pmcsr; + pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); + dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK); + } + if (atomic_add_return(1, &dev->enable_cnt) > 1) return 0; /* already enabled */ diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index f5c7c382765..7d33f667386 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -22,8 +22,13 @@ extern void pci_remove_firmware_label_files(struct pci_dev *pdev); #endif extern void pci_cleanup_rom(struct pci_dev *dev); #ifdef HAVE_PCI_MMAP +enum pci_mmap_api { + PCI_MMAP_SYSFS, /* mmap on /sys/bus/pci/devices/<BDF>/resource<N> */ + PCI_MMAP_PROCFS /* mmap on /proc/bus/pci/<BDF> */ +}; extern int pci_mmap_fits(struct pci_dev *pdev, int resno, - struct vm_area_struct *vma); + struct vm_area_struct *vmai, + enum pci_mmap_api mmap_api); #endif int pci_probe_reset_function(struct pci_dev *dev); diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 297b72c880a..27911b55c2a 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -10,7 +10,6 @@ #include <linux/module.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <linux/capability.h> #include <asm/uaccess.h> #include <asm/byteorder.h> @@ -257,7 +256,7 @@ static int proc_bus_pci_mmap(struct file *file, struct vm_area_struct *vma) /* Make sure the caller is mapping a real resource for this device */ for (i = 0; i < PCI_ROM_RESOURCE; i++) { - if (pci_mmap_fits(dev, i, vma)) + if (pci_mmap_fits(dev, i, vma, PCI_MMAP_PROCFS)) break; } diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c index a87c4985326..3a5a6fcc0ea 100644 --- a/drivers/pci/xen-pcifront.c +++ b/drivers/pci/xen-pcifront.c @@ -13,7 +13,6 @@ #include <linux/spinlock.h> #include <linux/pci.h> #include <linux/msi.h> -#include <xen/xenbus.h> #include <xen/interface/io/pciif.h> #include <asm/xen/pci.h> #include <linux/interrupt.h> @@ -576,8 +575,9 @@ static pci_ers_result_t pcifront_common_process(int cmd, pcidev = pci_get_bus_and_slot(bus, devfn); if (!pcidev || !pcidev->driver) { - dev_err(&pcidev->dev, - "device or driver is NULL\n"); + dev_err(&pdev->xdev->dev, "device or AER driver is NULL\n"); + if (pcidev) + pci_dev_put(pcidev); return result; } pdrv = pcidev->driver; diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c index 8cbfa067171..96c72e90b79 100644 --- a/drivers/pcmcia/pd6729.c +++ b/drivers/pcmcia/pd6729.c @@ -725,17 +725,17 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev, return 0; - err_out_free_res2: +err_out_free_res2: if (irq_mode == 1) free_irq(dev->irq, socket); else del_timer_sync(&socket->poll_timer); - err_out_free_res: +err_out_free_res: pci_release_regions(dev); - err_out_disable: +err_out_disable: pci_disable_device(dev); - err_out_free_mem: +err_out_free_mem: kfree(socket); return ret; } diff --git a/drivers/pcmcia/pd6729.h b/drivers/pcmcia/pd6729.h index 41418d394c5..c8e84bdece3 100644 --- a/drivers/pcmcia/pd6729.h +++ b/drivers/pcmcia/pd6729.h @@ -15,7 +15,7 @@ struct pd6729_socket { int number; int card_irq; - unsigned long io_base; /* base io address of the socket */ + unsigned long io_base; /* base io address of the socket */ struct pcmcia_socket socket; struct timer_list poll_timer; }; diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c index 0ea3b29440e..81af2b3bcc0 100644 --- a/drivers/pcmcia/pxa2xx_sharpsl.c +++ b/drivers/pcmcia/pxa2xx_sharpsl.c @@ -237,7 +237,7 @@ static struct pcmcia_low_level sharpsl_pcmcia_ops __initdata = { #ifdef CONFIG_SA1100_COLLIE #include "sa11xx_base.h" -int __init pcmcia_collie_init(struct device *dev) +int __devinit pcmcia_collie_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/sa1100_assabet.c b/drivers/pcmcia/sa1100_assabet.c index fd013a1ef47..f1e882272ab 100644 --- a/drivers/pcmcia/sa1100_assabet.c +++ b/drivers/pcmcia/sa1100_assabet.c @@ -130,7 +130,7 @@ static struct pcmcia_low_level assabet_pcmcia_ops = { .socket_suspend = assabet_pcmcia_socket_suspend, }; -int pcmcia_assabet_init(struct device *dev) +int __devinit pcmcia_assabet_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/sa1100_cerf.c b/drivers/pcmcia/sa1100_cerf.c index 9bf088b1727..30560df8c76 100644 --- a/drivers/pcmcia/sa1100_cerf.c +++ b/drivers/pcmcia/sa1100_cerf.c @@ -97,7 +97,7 @@ static struct pcmcia_low_level cerf_pcmcia_ops = { .socket_suspend = cerf_pcmcia_socket_suspend, }; -int __init pcmcia_cerf_init(struct device *dev) +int __devinit pcmcia_cerf_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/sa1100_generic.c b/drivers/pcmcia/sa1100_generic.c index 945857f8c28..6b228590b3f 100644 --- a/drivers/pcmcia/sa1100_generic.c +++ b/drivers/pcmcia/sa1100_generic.c @@ -64,7 +64,7 @@ static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) = { #endif }; -static int sa11x0_drv_pcmcia_probe(struct platform_device *dev) +static int __devinit sa11x0_drv_pcmcia_probe(struct platform_device *dev) { int i, ret = -ENODEV; diff --git a/drivers/pcmcia/sa1100_h3600.c b/drivers/pcmcia/sa1100_h3600.c index 56329ad575a..edf8f002889 100644 --- a/drivers/pcmcia/sa1100_h3600.c +++ b/drivers/pcmcia/sa1100_h3600.c @@ -219,7 +219,7 @@ struct pcmcia_low_level h3600_pcmcia_ops = { .socket_suspend = h3600_pcmcia_socket_suspend, }; -int __init pcmcia_h3600_init(struct device *dev) +int __devinit pcmcia_h3600_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/sa1100_shannon.c b/drivers/pcmcia/sa1100_shannon.c index c4d51867a05..7ff1b43540b 100644 --- a/drivers/pcmcia/sa1100_shannon.c +++ b/drivers/pcmcia/sa1100_shannon.c @@ -113,7 +113,7 @@ static struct pcmcia_low_level shannon_pcmcia_ops = { .socket_suspend = shannon_pcmcia_socket_suspend, }; -int __init pcmcia_shannon_init(struct device *dev) +int __devinit pcmcia_shannon_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/sa1100_simpad.c b/drivers/pcmcia/sa1100_simpad.c index 05bd504e6f1..c998f7aaadb 100644 --- a/drivers/pcmcia/sa1100_simpad.c +++ b/drivers/pcmcia/sa1100_simpad.c @@ -123,7 +123,7 @@ static struct pcmcia_low_level simpad_pcmcia_ops = { .socket_suspend = simpad_pcmcia_socket_suspend, }; -int __init pcmcia_simpad_init(struct device *dev) +int __devinit pcmcia_simpad_init(struct device *dev) { int ret = -ENODEV; diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index 689e3c02edb..3753fd0722e 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -57,11 +57,16 @@ module_param(pc_debug, int, 0644); void soc_pcmcia_debug(struct soc_pcmcia_socket *skt, const char *func, int lvl, const char *fmt, ...) { + struct va_format vaf; va_list args; if (pc_debug > lvl) { - printk(KERN_DEBUG "skt%u: %s: ", skt->nr, func); va_start(args, fmt); - vprintk(fmt, args); + + vaf.fmt = fmt; + vaf.va = &args; + + printk(KERN_DEBUG "skt%u: %s: %pV", skt->nr, func, &vaf); + va_end(args); } } diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c index e73ebefdf3e..315b3112aca 100644 --- a/drivers/pnp/isapnp/proc.c +++ b/drivers/pnp/isapnp/proc.c @@ -21,7 +21,6 @@ #include <linux/isapnp.h> #include <linux/proc_fs.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> extern struct pnp_protocol isapnp_protocol; diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index 68cf0c99138..7b5080c4556 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -1159,11 +1159,11 @@ int __devinit rio_init_mports(void) list_for_each_entry(port, &rio_mports, node) { if (!request_mem_region(port->iores.start, - port->iores.end - port->iores.start, + resource_size(&port->iores), port->name)) { printk(KERN_ERR "RIO: Error requesting master port region 0x%016llx-0x%016llx\n", - (u64)port->iores.start, (u64)port->iores.end - 1); + (u64)port->iores.start, (u64)port->iores.end); rc = -ENOMEM; goto out; } diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c index 359d1e04626..f0d63892264 100644 --- a/drivers/rtc/rtc-ds1302.c +++ b/drivers/rtc/rtc-ds1302.c @@ -35,7 +35,7 @@ #ifdef CONFIG_SH_SECUREEDGE5410 #include <asm/rtc.h> -#include <mach/snapgear.h> +#include <mach/secureedge5410.h> #define RTC_RESET 0x1000 #define RTC_IODATA 0x0800 diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index 5efbd5990ff..06e41ed9323 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -761,7 +761,7 @@ err_unmap: clk_put(rtc->clk); iounmap(rtc->regbase); err_badmap: - release_resource(rtc->res); + release_mem_region(rtc->res->start, rtc->regsize); err_badres: kfree(rtc); @@ -786,7 +786,7 @@ static int __exit sh_rtc_remove(struct platform_device *pdev) } iounmap(rtc->regbase); - release_resource(rtc->res); + release_mem_region(rtc->res->start, rtc->regsize); clk_disable(rtc->clk); clk_put(rtc->clk); diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c index c71d89dba30..83b4615a3b6 100644 --- a/drivers/s390/block/dasd_eer.c +++ b/drivers/s390/block/dasd_eer.c @@ -17,7 +17,6 @@ #include <linux/device.h> #include <linux/poll.h> #include <linux/mutex.h> -#include <linux/smp_lock.h> #include <linux/err.h> #include <linux/slab.h> diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index eb28fb01a38..f6489eb7e97 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -14,7 +14,6 @@ #include <linux/list.h> #include <linux/slab.h> #include <linux/types.h> -#include <linux/smp_lock.h> #include <asm/compat.h> #include <asm/ccwdev.h> diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c index 883e2db02bd..e090a307fde 100644 --- a/drivers/s390/char/tape_char.c +++ b/drivers/s390/char/tape_char.c @@ -17,7 +17,6 @@ #include <linux/types.h> #include <linux/proc_fs.h> #include <linux/mtio.h> -#include <linux/smp_lock.h> #include <linux/compat.h> #include <asm/uaccess.h> diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index 6c408670e08..b3a3e8e8656 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -209,29 +209,79 @@ tape_state_set(struct tape_device *device, enum tape_state newstate) wake_up(&device->state_change_wq); } +struct tape_med_state_work_data { + struct tape_device *device; + enum tape_medium_state state; + struct work_struct work; +}; + +static void +tape_med_state_work_handler(struct work_struct *work) +{ + static char env_state_loaded[] = "MEDIUM_STATE=LOADED"; + static char env_state_unloaded[] = "MEDIUM_STATE=UNLOADED"; + struct tape_med_state_work_data *p = + container_of(work, struct tape_med_state_work_data, work); + struct tape_device *device = p->device; + char *envp[] = { NULL, NULL }; + + switch (p->state) { + case MS_UNLOADED: + pr_info("%s: The tape cartridge has been successfully " + "unloaded\n", dev_name(&device->cdev->dev)); + envp[0] = env_state_unloaded; + kobject_uevent_env(&device->cdev->dev.kobj, KOBJ_CHANGE, envp); + break; + case MS_LOADED: + pr_info("%s: A tape cartridge has been mounted\n", + dev_name(&device->cdev->dev)); + envp[0] = env_state_loaded; + kobject_uevent_env(&device->cdev->dev.kobj, KOBJ_CHANGE, envp); + break; + default: + break; + } + tape_put_device(device); + kfree(p); +} + +static void +tape_med_state_work(struct tape_device *device, enum tape_medium_state state) +{ + struct tape_med_state_work_data *p; + + p = kzalloc(sizeof(*p), GFP_ATOMIC); + if (p) { + INIT_WORK(&p->work, tape_med_state_work_handler); + p->device = tape_get_device(device); + p->state = state; + schedule_work(&p->work); + } +} + void tape_med_state_set(struct tape_device *device, enum tape_medium_state newstate) { - if (device->medium_state == newstate) + enum tape_medium_state oldstate; + + oldstate = device->medium_state; + if (oldstate == newstate) return; + device->medium_state = newstate; switch(newstate){ case MS_UNLOADED: device->tape_generic_status |= GMT_DR_OPEN(~0); - if (device->medium_state == MS_LOADED) - pr_info("%s: The tape cartridge has been successfully " - "unloaded\n", dev_name(&device->cdev->dev)); + if (oldstate == MS_LOADED) + tape_med_state_work(device, MS_UNLOADED); break; case MS_LOADED: device->tape_generic_status &= ~GMT_DR_OPEN(~0); - if (device->medium_state == MS_UNLOADED) - pr_info("%s: A tape cartridge has been mounted\n", - dev_name(&device->cdev->dev)); + if (oldstate == MS_UNLOADED) + tape_med_state_work(device, MS_LOADED); break; default: - // print nothing break; } - device->medium_state = newstate; wake_up(&device->state_change_wq); } diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index 9f661426e4a..c837d7419a6 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -30,7 +30,6 @@ #include <linux/kmod.h> #include <linux/cdev.h> #include <linux/device.h> -#include <linux/smp_lock.h> #include <linux/string.h> MODULE_AUTHOR @@ -249,27 +248,25 @@ static int vmlogrdr_recording(struct vmlogrdr_priv_t * logptr, char cp_command[80]; char cp_response[160]; char *onoff, *qid_string; + int rc; - memset(cp_command, 0x00, sizeof(cp_command)); - memset(cp_response, 0x00, sizeof(cp_response)); - - onoff = ((action == 1) ? "ON" : "OFF"); + onoff = ((action == 1) ? "ON" : "OFF"); qid_string = ((recording_class_AB == 1) ? " QID * " : ""); - /* + /* * The recording commands needs to be called with option QID * for guests that have previlege classes A or B. * Purging has to be done as separate step, because recording * can't be switched on as long as records are on the queue. * Doing both at the same time doesn't work. */ - - if (purge) { + if (purge && (action == 1)) { + memset(cp_command, 0x00, sizeof(cp_command)); + memset(cp_response, 0x00, sizeof(cp_response)); snprintf(cp_command, sizeof(cp_command), "RECORDING %s PURGE %s", logptr->recording_name, qid_string); - cpcmd(cp_command, cp_response, sizeof(cp_response), NULL); } @@ -279,19 +276,33 @@ static int vmlogrdr_recording(struct vmlogrdr_priv_t * logptr, logptr->recording_name, onoff, qid_string); - cpcmd(cp_command, cp_response, sizeof(cp_response), NULL); /* The recording command will usually answer with 'Command complete' * on success, but when the specific service was never connected * before then there might be an additional informational message * 'HCPCRC8072I Recording entry not found' before the - * 'Command complete'. So I use strstr rather then the strncmp. + * 'Command complete'. So I use strstr rather then the strncmp. */ if (strstr(cp_response,"Command complete")) - return 0; + rc = 0; else - return -EIO; + rc = -EIO; + /* + * If we turn recording off, we have to purge any remaining records + * afterwards, as a large number of queued records may impact z/VM + * performance. + */ + if (purge && (action == 0)) { + memset(cp_command, 0x00, sizeof(cp_command)); + memset(cp_response, 0x00, sizeof(cp_response)); + snprintf(cp_command, sizeof(cp_command), + "RECORDING %s PURGE %s", + logptr->recording_name, + qid_string); + cpcmd(cp_command, cp_response, sizeof(cp_response), NULL); + } + return rc; } diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c index 1de672f2103..f7e4ae6bf15 100644 --- a/drivers/s390/char/vmur.c +++ b/drivers/s390/char/vmur.c @@ -13,7 +13,6 @@ #include <linux/cdev.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/cio.h> diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 2ff8a22d425..e8391b89eff 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1455,7 +1455,16 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process) break; case IO_SCH_UNREG_ATTACH: case IO_SCH_UNREG: - if (cdev) + if (!cdev) + break; + if (cdev->private->state == DEV_STATE_SENSE_ID) { + /* + * Note: delayed work triggered by this event + * and repeated calls to sch_event are synchronized + * by the above check for work_pending(cdev). + */ + dev_fsm_event(cdev, DEV_EVENT_NOTOPER); + } else ccw_device_set_notoper(cdev); break; case IO_SCH_NOP: diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index f5221749d18..7fca9c10ffc 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -35,7 +35,6 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/compat.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <asm/atomic.h> #include <asm/uaccess.h> diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 6be43eb126b..f47a714538d 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -440,7 +440,6 @@ struct qeth_qdio_out_q { * index of buffer to be filled by driver; state EMPTY or PACKING */ int next_buf_to_fill; - int sync_iqdio_error; /* * number of buffers that are currently filled (PRIMED) * -> these buffers are hardware-owned @@ -695,14 +694,6 @@ struct qeth_mc_mac { int is_vmac; }; -struct qeth_skb_data { - __u32 magic; - int count; -}; - -#define QETH_SKB_MAGIC 0x71657468 -#define QETH_SIGA_CC2_RETRIES 3 - struct qeth_rx { int b_count; int b_index; diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 76426706260..e6b2df0e73f 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -877,8 +877,8 @@ out: return; } -static void __qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, - struct qeth_qdio_out_buffer *buf, unsigned int qeth_skip_skb) +static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, + struct qeth_qdio_out_buffer *buf) { int i; struct sk_buff *skb; @@ -887,13 +887,11 @@ static void __qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, if (buf->buffer->element[0].flags & 0x40) atomic_dec(&queue->set_pci_flags_count); - if (!qeth_skip_skb) { + skb = skb_dequeue(&buf->skb_list); + while (skb) { + atomic_dec(&skb->users); + dev_kfree_skb_any(skb); skb = skb_dequeue(&buf->skb_list); - while (skb) { - atomic_dec(&skb->users); - dev_kfree_skb_any(skb); - skb = skb_dequeue(&buf->skb_list); - } } for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i) { if (buf->buffer->element[i].addr && buf->is_header[i]) @@ -909,12 +907,6 @@ static void __qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY); } -static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, - struct qeth_qdio_out_buffer *buf) -{ - __qeth_clear_output_buffer(queue, buf, 0); -} - void qeth_clear_qdio_buffers(struct qeth_card *card) { int i, j; @@ -2833,7 +2825,6 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, } } - queue->sync_iqdio_error = 0; queue->card->dev->trans_start = jiffies; if (queue->card->options.performance_stats) { queue->card->perf_stats.outbound_do_qdio_cnt++; @@ -2849,10 +2840,6 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() - queue->card->perf_stats.outbound_do_qdio_start_time; - if (rc > 0) { - if (!(rc & QDIO_ERROR_SIGA_BUSY)) - queue->sync_iqdio_error = rc & 3; - } if (rc) { queue->card->stats.tx_errors += count; /* ignore temporary SIGA errors without busy condition */ @@ -2916,7 +2903,7 @@ void qeth_qdio_start_poll(struct ccw_device *ccwdev, int queue, { struct qeth_card *card = (struct qeth_card *)card_ptr; - if (card->dev) + if (card->dev && (card->dev->flags & IFF_UP)) napi_schedule(&card->napi); } EXPORT_SYMBOL_GPL(qeth_qdio_start_poll); @@ -2940,7 +2927,6 @@ void qeth_qdio_output_handler(struct ccw_device *ccwdev, struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue]; struct qeth_qdio_out_buffer *buffer; int i; - unsigned qeth_send_err; QETH_CARD_TEXT(card, 6, "qdouhdl"); if (qdio_error & QDIO_ERROR_ACTIVATE_CHECK_CONDITION) { @@ -2956,9 +2942,8 @@ void qeth_qdio_output_handler(struct ccw_device *ccwdev, } for (i = first_element; i < (first_element + count); ++i) { buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; - qeth_send_err = qeth_handle_send_error(card, buffer, qdio_error); - __qeth_clear_output_buffer(queue, buffer, - (qeth_send_err == QETH_SEND_ERROR_RETRY) ? 1 : 0); + qeth_handle_send_error(card, buffer, qdio_error); + qeth_clear_output_buffer(queue, buffer); } atomic_sub(count, &queue->used_buffers); /* check if we need to do something on this outbound queue */ @@ -3183,10 +3168,7 @@ int qeth_do_send_packet_fast(struct qeth_card *card, int offset, int hd_len) { struct qeth_qdio_out_buffer *buffer; - struct sk_buff *skb1; - struct qeth_skb_data *retry_ctrl; int index; - int rc; /* spin until we get the queue ... */ while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, @@ -3205,25 +3187,6 @@ int qeth_do_send_packet_fast(struct qeth_card *card, atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len); qeth_flush_buffers(queue, index, 1); - if (queue->sync_iqdio_error == 2) { - skb1 = skb_dequeue(&buffer->skb_list); - while (skb1) { - atomic_dec(&skb1->users); - skb1 = skb_dequeue(&buffer->skb_list); - } - retry_ctrl = (struct qeth_skb_data *) &skb->cb[16]; - if (retry_ctrl->magic != QETH_SKB_MAGIC) { - retry_ctrl->magic = QETH_SKB_MAGIC; - retry_ctrl->count = 0; - } - if (retry_ctrl->count < QETH_SIGA_CC2_RETRIES) { - retry_ctrl->count++; - rc = dev_queue_xmit(skb); - } else { - dev_kfree_skb_any(skb); - QETH_CARD_TEXT(card, 2, "qrdrop"); - } - } return 0; out: atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 50286d8707f..6bd2dbc4c31 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -76,7 +76,7 @@ static void zfcp_scsi_command_fail(struct scsi_cmnd *scpnt, int result) scpnt->scsi_done(scpnt); } -static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt, +static int zfcp_scsi_queuecommand_lck(struct scsi_cmnd *scpnt, void (*done) (struct scsi_cmnd *)) { struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device); @@ -127,6 +127,8 @@ static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt, return ret; } +static DEF_SCSI_QCMD(zfcp_scsi_queuecommand) + static int zfcp_scsi_slave_alloc(struct scsi_device *sdev) { struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index fcf08b3f52c..b7bd5b0cc7a 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -1765,7 +1765,7 @@ out: } /* End twa_scsi_eh_reset() */ /* This is the main scsi queue function to handle scsi opcodes */ -static int twa_scsi_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +static int twa_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { int request_id, retval; TW_Device_Extension *tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; @@ -1812,6 +1812,8 @@ out: return retval; } /* End twa_scsi_queue() */ +static DEF_SCSI_QCMD(twa_scsi_queue) + /* This function hands scsi cdb's to the firmware */ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, char *cdb, int use_sg, TW_SG_Entry *sglistarg) { diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c index 6a95d111d20..13e39e1fdfe 100644 --- a/drivers/scsi/3w-sas.c +++ b/drivers/scsi/3w-sas.c @@ -1501,7 +1501,7 @@ out: } /* End twl_scsi_eh_reset() */ /* This is the main scsi queue function to handle scsi opcodes */ -static int twl_scsi_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +static int twl_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { int request_id, retval; TW_Device_Extension *tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; @@ -1536,6 +1536,8 @@ out: return retval; } /* End twl_scsi_queue() */ +static DEF_SCSI_QCMD(twl_scsi_queue) + /* This function tells the controller to shut down */ static void __twl_shutdown(TW_Device_Extension *tw_dev) { diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c index b1125341f4c..7fe96ff60c5 100644 --- a/drivers/scsi/3w-xxxx.c +++ b/drivers/scsi/3w-xxxx.c @@ -1947,7 +1947,7 @@ static int tw_scsiop_test_unit_ready_complete(TW_Device_Extension *tw_dev, int r } /* End tw_scsiop_test_unit_ready_complete() */ /* This is the main scsi queue function to handle scsi opcodes */ -static int tw_scsi_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +static int tw_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { unsigned char *command = SCpnt->cmnd; int request_id = 0; @@ -2023,6 +2023,8 @@ static int tw_scsi_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd return retval; } /* End tw_scsi_queue() */ +static DEF_SCSI_QCMD(tw_scsi_queue) + /* This function is the interrupt service routine */ static irqreturn_t tw_interrupt(int irq, void *dev_instance) { diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 89fc1c8af86..f672491774e 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -167,7 +167,7 @@ MODULE_LICENSE("GPL"); #include "53c700_d.h" -STATIC int NCR_700_queuecommand(struct scsi_cmnd *, void (*done)(struct scsi_cmnd *)); +STATIC int NCR_700_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *); STATIC int NCR_700_abort(struct scsi_cmnd * SCpnt); STATIC int NCR_700_bus_reset(struct scsi_cmnd * SCpnt); STATIC int NCR_700_host_reset(struct scsi_cmnd * SCpnt); @@ -1749,8 +1749,8 @@ NCR_700_intr(int irq, void *dev_id) return IRQ_RETVAL(handled); } -STATIC int -NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)) +static int +NCR_700_queuecommand_lck(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)) { struct NCR_700_Host_Parameters *hostdata = (struct NCR_700_Host_Parameters *)SCp->device->host->hostdata[0]; @@ -1904,6 +1904,8 @@ NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)) return 0; } +STATIC DEF_SCSI_QCMD(NCR_700_queuecommand) + STATIC int NCR_700_abort(struct scsi_cmnd * SCp) { diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c index fc0b4b81d55..f66c33b9ab4 100644 --- a/drivers/scsi/BusLogic.c +++ b/drivers/scsi/BusLogic.c @@ -2807,7 +2807,7 @@ static int BusLogic_host_reset(struct scsi_cmnd * SCpnt) Outgoing Mailbox for execution by the associated Host Adapter. */ -static int BusLogic_QueueCommand(struct scsi_cmnd *Command, void (*CompletionRoutine) (struct scsi_cmnd *)) +static int BusLogic_QueueCommand_lck(struct scsi_cmnd *Command, void (*CompletionRoutine) (struct scsi_cmnd *)) { struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) Command->device->host->hostdata; struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[Command->device->id]; @@ -2994,6 +2994,7 @@ static int BusLogic_QueueCommand(struct scsi_cmnd *Command, void (*CompletionRou return 0; } +static DEF_SCSI_QCMD(BusLogic_QueueCommand) #if 0 /* diff --git a/drivers/scsi/BusLogic.h b/drivers/scsi/BusLogic.h index 73f237a1ed9..649fcb31f26 100644 --- a/drivers/scsi/BusLogic.h +++ b/drivers/scsi/BusLogic.h @@ -1319,7 +1319,7 @@ static inline void BusLogic_IncrementSizeBucket(BusLogic_CommandSizeBuckets_T Co */ static const char *BusLogic_DriverInfo(struct Scsi_Host *); -static int BusLogic_QueueCommand(struct scsi_cmnd *, void (*CompletionRoutine) (struct scsi_cmnd *)); +static int BusLogic_QueueCommand(struct Scsi_Host *h, struct scsi_cmnd *); static int BusLogic_BIOSDiskParameters(struct scsi_device *, struct block_device *, sector_t, int *); static int BusLogic_ProcDirectoryInfo(struct Scsi_Host *, char *, char **, off_t, int, int); static int BusLogic_SlaveConfigure(struct scsi_device *); diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index 5d2f148889a..9a5629f94f9 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -952,7 +952,7 @@ static void NCR5380_exit(struct Scsi_Host *instance) * Locks: host lock taken by caller */ -static int NCR5380_queue_command(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) +static int NCR5380_queue_command_lck(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) { struct Scsi_Host *instance = cmd->device->host; struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata; @@ -1021,6 +1021,7 @@ static int NCR5380_queue_command(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) return 0; } +static DEF_SCSI_QCMD(NCR5380_queue_command) /** * NCR5380_main - NCR state machines diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h index bdc468c9e1d..fd40a32b1f6 100644 --- a/drivers/scsi/NCR5380.h +++ b/drivers/scsi/NCR5380.h @@ -313,7 +313,7 @@ static void NCR5380_print(struct Scsi_Host *instance); #endif static int NCR5380_abort(Scsi_Cmnd * cmd); static int NCR5380_bus_reset(Scsi_Cmnd * cmd); -static int NCR5380_queue_command(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)); +static int NCR5380_queue_command(struct Scsi_Host *, struct scsi_cmnd *); static int __maybe_unused NCR5380_proc_info(struct Scsi_Host *instance, char *buffer, char **start, off_t offset, int length, int inout); diff --git a/drivers/scsi/NCR53c406a.c b/drivers/scsi/NCR53c406a.c index 6961f78742a..c91888a0a23 100644 --- a/drivers/scsi/NCR53c406a.c +++ b/drivers/scsi/NCR53c406a.c @@ -693,7 +693,7 @@ static void wait_intr(void) } #endif -static int NCR53c406a_queue(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) +static int NCR53c406a_queue_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) { int i; @@ -726,6 +726,8 @@ static int NCR53c406a_queue(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) return 0; } +static DEF_SCSI_QCMD(NCR53c406a_queue) + static int NCR53c406a_host_reset(Scsi_Cmnd * SCpnt) { DEB(printk("NCR53c406a_reset called\n")); diff --git a/drivers/scsi/a100u2w.c b/drivers/scsi/a100u2w.c index dbbc601948e..dc5ac6e528c 100644 --- a/drivers/scsi/a100u2w.c +++ b/drivers/scsi/a100u2w.c @@ -911,7 +911,7 @@ static int inia100_build_scb(struct orc_host * host, struct orc_scb * scb, struc * queue the command down to the controller */ -static int inia100_queue(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *)) +static int inia100_queue_lck(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *)) { struct orc_scb *scb; struct orc_host *host; /* Point to Host adapter control block */ @@ -930,6 +930,8 @@ static int inia100_queue(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd return 0; } +static DEF_SCSI_QCMD(inia100_queue) + /***************************************************************************** Function name : inia100_abort Description : Abort a queued command. diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 29c0ed1cf50..2c93d9496d6 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -248,7 +248,7 @@ static struct aac_driver_ident aac_drivers[] = { * TODO: unify with aac_scsi_cmd(). */ -static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) +static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct Scsi_Host *host = cmd->device->host; struct aac_dev *dev = (struct aac_dev *)host->hostdata; @@ -267,6 +267,8 @@ static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd return (aac_scsi_cmd(cmd) ? FAILED : 0); } +static DEF_SCSI_QCMD(aac_queuecommand) + /** * aac_info - Returns the host adapter name * @shost: Scsi host to report on diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index 0ec3da6f3e1..081c6de92bc 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -9500,7 +9500,7 @@ static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp) * in the 'scp' result field. */ static int -advansys_queuecommand(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) +advansys_queuecommand_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) { struct Scsi_Host *shost = scp->device->host; int asc_res, result = 0; @@ -9525,6 +9525,8 @@ advansys_queuecommand(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) return result; } +static DEF_SCSI_QCMD(advansys_queuecommand) + static ushort __devinit AscGetEisaChipCfg(PortAddr iop_base) { PortAddr eisa_cfg_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) | diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index 8eab8587ff2..c5169f01c1c 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -1056,7 +1056,7 @@ static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct completion *complete, * queue a command * */ -static int aha152x_queue(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)) +static int aha152x_queue_lck(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)) { #if 0 if(*SCpnt->cmnd == REQUEST_SENSE) { @@ -1070,6 +1070,8 @@ static int aha152x_queue(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)) return aha152x_internal_queue(SCpnt, NULL, 0, done); } +static DEF_SCSI_QCMD(aha152x_queue) + /* * diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index 4f785f254c1..195823a51aa 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -558,7 +558,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost) }; } -static int aha1542_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) +static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) { unchar ahacmd = CMD_START_SCSI; unchar direction; @@ -718,6 +718,8 @@ static int aha1542_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) return 0; } +static DEF_SCSI_QCMD(aha1542_queuecommand) + /* Initialize mailboxes */ static void setup_mailboxes(int bse, struct Scsi_Host *shpnt) { diff --git a/drivers/scsi/aha1542.h b/drivers/scsi/aha1542.h index 1db538552d5..b871d2b57f9 100644 --- a/drivers/scsi/aha1542.h +++ b/drivers/scsi/aha1542.h @@ -132,7 +132,7 @@ struct ccb { /* Command Control Block 5.3 */ }; static int aha1542_detect(struct scsi_host_template *); -static int aha1542_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); +static int aha1542_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); static int aha1542_bus_reset(Scsi_Cmnd * SCpnt); static int aha1542_dev_reset(Scsi_Cmnd * SCpnt); static int aha1542_host_reset(Scsi_Cmnd * SCpnt); diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c index 0107a4cc333..d058f1ab82b 100644 --- a/drivers/scsi/aha1740.c +++ b/drivers/scsi/aha1740.c @@ -331,7 +331,7 @@ static irqreturn_t aha1740_intr_handle(int irq, void *dev_id) return IRQ_RETVAL(handled); } -static int aha1740_queuecommand(Scsi_Cmnd * SCpnt, void (*done)(Scsi_Cmnd *)) +static int aha1740_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done)(Scsi_Cmnd *)) { unchar direction; unchar *cmd = (unchar *) SCpnt->cmnd; @@ -503,6 +503,8 @@ static int aha1740_queuecommand(Scsi_Cmnd * SCpnt, void (*done)(Scsi_Cmnd *)) return 0; } +static DEF_SCSI_QCMD(aha1740_queuecommand) + /* Query the board for its irq_level and irq_type. Nothing else matters in enhanced mode on an EISA bus. */ diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 88ad8482ef5..25d06662447 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -573,7 +573,7 @@ ahd_linux_info(struct Scsi_Host *host) * Queue an SCB to the controller. */ static int -ahd_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *)) +ahd_linux_queue_lck(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *)) { struct ahd_softc *ahd; struct ahd_linux_device *dev = scsi_transport_device_data(cmd->device); @@ -588,6 +588,8 @@ ahd_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *)) return rtn; } +static DEF_SCSI_QCMD(ahd_linux_queue) + static struct scsi_target ** ahd_linux_target_in_softc(struct scsi_target *starget) { diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index aeea7a61478..4a359bb307c 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -528,7 +528,7 @@ ahc_linux_info(struct Scsi_Host *host) * Queue an SCB to the controller. */ static int -ahc_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *)) +ahc_linux_queue_lck(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *)) { struct ahc_softc *ahc; struct ahc_linux_device *dev = scsi_transport_device_data(cmd->device); @@ -548,6 +548,8 @@ ahc_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *)) return rtn; } +static DEF_SCSI_QCMD(ahc_linux_queue) + static inline struct scsi_target ** ahc_linux_target_in_softc(struct scsi_target *starget) { diff --git a/drivers/scsi/aic7xxx_old.c b/drivers/scsi/aic7xxx_old.c index aee73fafccc..4ff60a08df0 100644 --- a/drivers/scsi/aic7xxx_old.c +++ b/drivers/scsi/aic7xxx_old.c @@ -10234,7 +10234,7 @@ static void aic7xxx_buildscb(struct aic7xxx_host *p, struct scsi_cmnd *cmd, * Description: * Queue a SCB to the controller. *-F*************************************************************************/ -static int aic7xxx_queue(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)) +static int aic7xxx_queue_lck(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)) { struct aic7xxx_host *p; struct aic7xxx_scb *scb; @@ -10292,6 +10292,8 @@ static int aic7xxx_queue(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)) return (0); } +static DEF_SCSI_QCMD(aic7xxx_queue) + /*+F************************************************************************* * Function: * aic7xxx_bus_device_reset diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 05a78e515a2..17e3df4f016 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -85,8 +85,7 @@ static int arcmsr_abort(struct scsi_cmnd *); static int arcmsr_bus_reset(struct scsi_cmnd *); static int arcmsr_bios_param(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int *info); -static int arcmsr_queue_command(struct scsi_cmnd *cmd, - void (*done) (struct scsi_cmnd *)); +static int arcmsr_queue_command(struct Scsi_Host *h, struct scsi_cmnd *cmd); static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id); static void arcmsr_remove(struct pci_dev *pdev); @@ -2081,7 +2080,7 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, } } -static int arcmsr_queue_command(struct scsi_cmnd *cmd, +static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) { struct Scsi_Host *host = cmd->device->host; @@ -2124,6 +2123,8 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd, return 0; } +static DEF_SCSI_QCMD(arcmsr_queue_command) + static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index 918ccf81875..ec166726b31 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -2511,7 +2511,7 @@ acornscsi_intr(int irq, void *dev_id) * done - function called on completion, with pointer to command descriptor * Returns : 0, or < 0 on error. */ -int acornscsi_queuecmd(struct scsi_cmnd *SCpnt, +static int acornscsi_queuecmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { AS_Host *host = (AS_Host *)SCpnt->device->host->hostdata; @@ -2561,6 +2561,8 @@ int acornscsi_queuecmd(struct scsi_cmnd *SCpnt, return 0; } +DEF_SCSI_QCMD(acornscsi_queuecmd) + /* * Prototype: void acornscsi_reportstatus(struct scsi_cmnd **SCpntp1, struct scsi_cmnd **SCpntp2, int result) * Purpose : pass a result to *SCpntp1, and check if *SCpntp1 = *SCpntp2 diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index 9e71ac61114..2b2ce21e227 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -2198,7 +2198,7 @@ no_command: * Returns: 0 on success, else error. * Notes: io_request_lock is held, interrupts are disabled. */ -int fas216_queue_command(struct scsi_cmnd *SCpnt, +static int fas216_queue_command_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; @@ -2240,6 +2240,8 @@ int fas216_queue_command(struct scsi_cmnd *SCpnt, return result; } +DEF_SCSI_QCMD(fas216_queue_command) + /** * fas216_internal_done - trigger restart of a waiting thread in fas216_noqueue_command * @SCpnt: Command to wake @@ -2263,7 +2265,7 @@ static void fas216_internal_done(struct scsi_cmnd *SCpnt) * Returns: scsi result code. * Notes: io_request_lock is held, interrupts are disabled. */ -int fas216_noqueue_command(struct scsi_cmnd *SCpnt, +static int fas216_noqueue_command_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; @@ -2277,7 +2279,7 @@ int fas216_noqueue_command(struct scsi_cmnd *SCpnt, BUG_ON(info->scsi.irq != NO_IRQ); info->internal_done = 0; - fas216_queue_command(SCpnt, fas216_internal_done); + fas216_queue_command_lck(SCpnt, fas216_internal_done); /* * This wastes time, since we can't return until the command is @@ -2310,6 +2312,8 @@ int fas216_noqueue_command(struct scsi_cmnd *SCpnt, return 0; } +DEF_SCSI_QCMD(fas216_noqueue_command) + /* * Error handler timeout function. Indicate that we timed out, * and wake up any error handler process so it can continue. diff --git a/drivers/scsi/arm/fas216.h b/drivers/scsi/arm/fas216.h index b65f4cf0eec..377cfb72cc6 100644 --- a/drivers/scsi/arm/fas216.h +++ b/drivers/scsi/arm/fas216.h @@ -331,23 +331,21 @@ extern int fas216_init (struct Scsi_Host *instance); */ extern int fas216_add (struct Scsi_Host *instance, struct device *dev); -/* Function: int fas216_queue_command(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +/* Function: int fas216_queue_command(struct Scsi_Host *h, struct scsi_cmnd *SCpnt) * Purpose : queue a command for adapter to process. - * Params : SCpnt - Command to queue - * done - done function to call once command is complete + * Params : h - host adapter + * : SCpnt - Command to queue * Returns : 0 - success, else error */ -extern int fas216_queue_command(struct scsi_cmnd *, - void (*done)(struct scsi_cmnd *)); +extern int fas216_queue_command(struct Scsi_Host *h, struct scsi_cmnd *SCpnt); -/* Function: int fas216_noqueue_command(istruct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +/* Function: int fas216_noqueue_command(struct Scsi_Host *h, struct scsi_cmnd *SCpnt) * Purpose : queue a command for adapter to process, and process it to completion. - * Params : SCpnt - Command to queue - * done - done function to call once command is complete + * Params : h - host adapter + * : SCpnt - Command to queue * Returns : 0 - success, else error */ -extern int fas216_noqueue_command(struct scsi_cmnd *, - void (*done)(struct scsi_cmnd *)); +extern int fas216_noqueue_command(struct Scsi_Host *, struct scsi_cmnd *) /* Function: irqreturn_t fas216_intr (FAS216_Info *info) * Purpose : handle interrupts from the interface to progress a command diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c index 158ebc3644d..88b2928b4d3 100644 --- a/drivers/scsi/atari_NCR5380.c +++ b/drivers/scsi/atari_NCR5380.c @@ -910,7 +910,7 @@ static int __init NCR5380_init(struct Scsi_Host *instance, int flags) * */ -static int NCR5380_queue_command(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *)) +static int NCR5380_queue_command_lck(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *)) { SETUP_HOSTDATA(cmd->device->host); Scsi_Cmnd *tmp; @@ -1022,6 +1022,8 @@ static int NCR5380_queue_command(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *)) return 0; } +static DEF_SCSI_QCMD(NCR5380_queue_command) + /* * Function : NCR5380_main (void) * diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c index ad7a23aef0e..3e8658e2f15 100644 --- a/drivers/scsi/atari_scsi.c +++ b/drivers/scsi/atari_scsi.c @@ -572,23 +572,6 @@ static void falcon_get_lock(void) } -/* This is the wrapper function for NCR5380_queue_command(). It just - * tries to get the lock on the ST-DMA (see above) and then calls the - * original function. - */ - -#if 0 -int atari_queue_command(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *)) -{ - /* falcon_get_lock(); - * ++guenther: moved to NCR5380_queue_command() to prevent - * race condition, see there for an explanation. - */ - return NCR5380_queue_command(cmd, done); -} -#endif - - int __init atari_scsi_detect(struct scsi_host_template *host) { static int called = 0; diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c index ab5bdda6903..76029d570be 100644 --- a/drivers/scsi/atp870u.c +++ b/drivers/scsi/atp870u.c @@ -605,7 +605,7 @@ handled: * * Queue a command to the ATP queue. Called with the host lock held. */ -static int atp870u_queuecommand(struct scsi_cmnd * req_p, +static int atp870u_queuecommand_lck(struct scsi_cmnd *req_p, void (*done) (struct scsi_cmnd *)) { unsigned char c; @@ -694,6 +694,8 @@ static int atp870u_queuecommand(struct scsi_cmnd * req_p, return 0; } +static DEF_SCSI_QCMD(atp870u_queuecommand) + /** * send_s870 - send a command to the controller * @host: host diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c index 8daa716739d..8ca967dee66 100644 --- a/drivers/scsi/bfa/bfad_im.c +++ b/drivers/scsi/bfa/bfad_im.c @@ -30,8 +30,7 @@ DEFINE_IDR(bfad_im_port_index); struct scsi_transport_template *bfad_im_scsi_transport_template; struct scsi_transport_template *bfad_im_scsi_vport_transport_template; static void bfad_im_itnim_work_handler(struct work_struct *work); -static int bfad_im_queuecommand(struct scsi_cmnd *cmnd, - void (*done)(struct scsi_cmnd *)); +static int bfad_im_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmnd); static int bfad_im_slave_alloc(struct scsi_device *sdev); static void bfad_im_fc_rport_add(struct bfad_im_port_s *im_port, struct bfad_itnim_s *itnim); @@ -1120,7 +1119,7 @@ bfad_im_itnim_work_handler(struct work_struct *work) * Scsi_Host template entry, queue a SCSI command to the BFAD. */ static int -bfad_im_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) +bfad_im_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) { struct bfad_im_port_s *im_port = (struct bfad_im_port_s *) cmnd->device->host->hostdata[0]; @@ -1187,6 +1186,8 @@ out_fail_cmd: return 0; } +static DEF_SCSI_QCMD(bfad_im_queuecommand) + void bfad_os_rport_online_wait(struct bfad_s *bfad) { diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c index 54f50b07dac..8f1b5c8bf90 100644 --- a/drivers/scsi/dc395x.c +++ b/drivers/scsi/dc395x.c @@ -1080,7 +1080,7 @@ static void build_srb(struct scsi_cmnd *cmd, struct DeviceCtlBlk *dcb, * and is expected to be held on return. * **/ -static int dc395x_queue_command(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) +static int dc395x_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct DeviceCtlBlk *dcb; struct ScsiReqBlk *srb; @@ -1154,6 +1154,7 @@ complete: return 0; } +static DEF_SCSI_QCMD(dc395x_queue_command) /* * Return the disk geometry for the given SCSI device. diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 23dec006338..cffcb108ac9 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -423,7 +423,7 @@ static int adpt_slave_configure(struct scsi_device * device) return 0; } -static int adpt_queue(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *)) +static int adpt_queue_lck(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *)) { adpt_hba* pHba = NULL; struct adpt_device* pDev = NULL; /* dpt per device information */ @@ -491,6 +491,8 @@ static int adpt_queue(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *)) return adpt_scsi_to_i2o(pHba, cmd, pDev); } +static DEF_SCSI_QCMD(adpt_queue) + static int adpt_bios_param(struct scsi_device *sdev, struct block_device *dev, sector_t capacity, int geom[]) { diff --git a/drivers/scsi/dpti.h b/drivers/scsi/dpti.h index 337746d4604..beded716f93 100644 --- a/drivers/scsi/dpti.h +++ b/drivers/scsi/dpti.h @@ -29,7 +29,7 @@ */ static int adpt_detect(struct scsi_host_template * sht); -static int adpt_queue(struct scsi_cmnd * cmd, void (*cmdcomplete) (struct scsi_cmnd *)); +static int adpt_queue(struct Scsi_Host *h, struct scsi_cmnd * cmd); static int adpt_abort(struct scsi_cmnd * cmd); static int adpt_reset(struct scsi_cmnd* cmd); static int adpt_release(struct Scsi_Host *host); diff --git a/drivers/scsi/dtc.h b/drivers/scsi/dtc.h index 0b205f8c732..cdc621204b6 100644 --- a/drivers/scsi/dtc.h +++ b/drivers/scsi/dtc.h @@ -36,7 +36,7 @@ static int dtc_abort(Scsi_Cmnd *); static int dtc_biosparam(struct scsi_device *, struct block_device *, sector_t, int*); static int dtc_detect(struct scsi_host_template *); -static int dtc_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); +static int dtc_queue_command(struct Scsi_Host *, struct scsi_cmnd *); static int dtc_bus_reset(Scsi_Cmnd *); #ifndef CMD_PER_LUN diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c index d1c31378f6d..53925ac178f 100644 --- a/drivers/scsi/eata.c +++ b/drivers/scsi/eata.c @@ -505,8 +505,7 @@ static int eata2x_detect(struct scsi_host_template *); static int eata2x_release(struct Scsi_Host *); -static int eata2x_queuecommand(struct scsi_cmnd *, - void (*done) (struct scsi_cmnd *)); +static int eata2x_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); static int eata2x_eh_abort(struct scsi_cmnd *); static int eata2x_eh_host_reset(struct scsi_cmnd *); static int eata2x_bios_param(struct scsi_device *, struct block_device *, @@ -1758,7 +1757,7 @@ static void scsi_to_dev_dir(unsigned int i, struct hostdata *ha) } -static int eata2x_queuecommand(struct scsi_cmnd *SCpnt, +static int eata2x_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done) (struct scsi_cmnd *)) { struct Scsi_Host *shost = SCpnt->device->host; @@ -1843,6 +1842,8 @@ static int eata2x_queuecommand(struct scsi_cmnd *SCpnt, return 0; } +static DEF_SCSI_QCMD(eata2x_queuecommand) + static int eata2x_eh_abort(struct scsi_cmnd *SCarg) { struct Scsi_Host *shost = SCarg->device->host; diff --git a/drivers/scsi/eata_pio.c b/drivers/scsi/eata_pio.c index 60886c19065..4a9641e69f5 100644 --- a/drivers/scsi/eata_pio.c +++ b/drivers/scsi/eata_pio.c @@ -335,7 +335,7 @@ static inline unsigned int eata_pio_send_command(unsigned long base, unsigned ch return 0; } -static int eata_pio_queue(struct scsi_cmnd *cmd, +static int eata_pio_queue_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { unsigned int x, y; @@ -438,6 +438,8 @@ static int eata_pio_queue(struct scsi_cmnd *cmd, return 0; } +static DEF_SCSI_QCMD(eata_pio_queue) + static int eata_pio_abort(struct scsi_cmnd *cmd) { unsigned int loop = 100; diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c index e2bc779f86c..57558523c1b 100644 --- a/drivers/scsi/esp_scsi.c +++ b/drivers/scsi/esp_scsi.c @@ -916,7 +916,7 @@ static void esp_event_queue_full(struct esp *esp, struct esp_cmd_entry *ent) scsi_track_queue_full(dev, lp->num_tagged - 1); } -static int esp_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) +static int esp_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct scsi_device *dev = cmd->device; struct esp *esp = shost_priv(dev->host); @@ -941,6 +941,8 @@ static int esp_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd return 0; } +static DEF_SCSI_QCMD(esp_queuecommand) + static int esp_check_gross_error(struct esp *esp) { if (esp->sreg & ESP_STAT_SPAM) { diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c index 2ad95aa8f58..a2c6135d337 100644 --- a/drivers/scsi/fd_mcs.c +++ b/drivers/scsi/fd_mcs.c @@ -1072,7 +1072,7 @@ static int fd_mcs_release(struct Scsi_Host *shpnt) return 0; } -static int fd_mcs_queue(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) +static int fd_mcs_queue_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) { struct Scsi_Host *shpnt = SCpnt->device->host; @@ -1122,6 +1122,8 @@ static int fd_mcs_queue(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) return 0; } +static DEF_SCSI_QCMD(fd_mcs_queue) + #if DEBUG_ABORT || DEBUG_RESET static void fd_mcs_print_info(Scsi_Cmnd * SCpnt) { diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index e296bcc57d5..69b7aa54f43 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -1419,7 +1419,7 @@ static irqreturn_t do_fdomain_16x0_intr(int irq, void *dev_id) return IRQ_HANDLED; } -static int fdomain_16x0_queue(struct scsi_cmnd *SCpnt, +static int fdomain_16x0_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { if (in_command) { @@ -1469,6 +1469,8 @@ static int fdomain_16x0_queue(struct scsi_cmnd *SCpnt, return 0; } +static DEF_SCSI_QCMD(fdomain_16x0_queue) + #if DEBUG_ABORT static void print_info(struct scsi_cmnd *SCpnt) { diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h index cbb20b13b22..92f185081e6 100644 --- a/drivers/scsi/fnic/fnic.h +++ b/drivers/scsi/fnic/fnic.h @@ -246,7 +246,7 @@ void fnic_set_port_id(struct fc_lport *, u32, struct fc_frame *); void fnic_update_mac(struct fc_lport *, u8 *new); void fnic_update_mac_locked(struct fnic *, u8 *new); -int fnic_queuecommand(struct scsi_cmnd *, void (*done)(struct scsi_cmnd *)); +int fnic_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); int fnic_abort_cmd(struct scsi_cmnd *); int fnic_device_reset(struct scsi_cmnd *); int fnic_host_reset(struct scsi_cmnd *); diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c index 198cbab3e89..22d02404d15 100644 --- a/drivers/scsi/fnic/fnic_scsi.c +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -349,7 +349,7 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic, * Routine to send a scsi cdb * Called with host_lock held and interrupts disabled. */ -int fnic_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) +static int fnic_queuecommand_lck(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) { struct fc_lport *lp; struct fc_rport *rport; @@ -457,6 +457,8 @@ out: return ret; } +DEF_SCSI_QCMD(fnic_queuecommand) + /* * fnic_fcpio_fw_reset_cmpl_handler * Routine to handle fw reset completion diff --git a/drivers/scsi/g_NCR5380.h b/drivers/scsi/g_NCR5380.h index 921764c9ab2..1bcdb7beb77 100644 --- a/drivers/scsi/g_NCR5380.h +++ b/drivers/scsi/g_NCR5380.h @@ -46,7 +46,7 @@ static int generic_NCR5380_abort(Scsi_Cmnd *); static int generic_NCR5380_detect(struct scsi_host_template *); static int generic_NCR5380_release_resources(struct Scsi_Host *); -static int generic_NCR5380_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); +static int generic_NCR5380_queue_command(struct Scsi_Host *, struct scsi_cmnd *); static int generic_NCR5380_bus_reset(Scsi_Cmnd *); static const char* generic_NCR5380_info(struct Scsi_Host *); diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index 841101846b8..76365700e2d 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -185,7 +185,7 @@ static long gdth_unlocked_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); static void gdth_flush(gdth_ha_str *ha); -static int gdth_queuecommand(Scsi_Cmnd *scp,void (*done)(Scsi_Cmnd *)); +static int gdth_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); static int __gdth_queuecommand(gdth_ha_str *ha, struct scsi_cmnd *scp, struct gdth_cmndinfo *cmndinfo); static void gdth_scsi_done(struct scsi_cmnd *scp); @@ -4004,7 +4004,7 @@ static int gdth_bios_param(struct scsi_device *sdev,struct block_device *bdev,se } -static int gdth_queuecommand(struct scsi_cmnd *scp, +static int gdth_queuecommand_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) { gdth_ha_str *ha = shost_priv(scp->device->host); @@ -4022,6 +4022,8 @@ static int gdth_queuecommand(struct scsi_cmnd *scp, return __gdth_queuecommand(ha, scp, cmndinfo); } +static DEF_SCSI_QCMD(gdth_queuecommand) + static int __gdth_queuecommand(gdth_ha_str *ha, struct scsi_cmnd *scp, struct gdth_cmndinfo *cmndinfo) { diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index c5d0606ad09..b2fb2b2a6e7 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -31,7 +31,6 @@ #include <linux/seq_file.h> #include <linux/init.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/compat.h> #include <linux/blktrace_api.h> #include <linux/uaccess.h> @@ -143,8 +142,7 @@ static void fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h, void *buff, size_t size, u8 page_code, unsigned char *scsi3addr, int cmd_type); -static int hpsa_scsi_queue_command(struct scsi_cmnd *cmd, - void (*done)(struct scsi_cmnd *)); +static int hpsa_scsi_queue_command(struct Scsi_Host *h, struct scsi_cmnd *cmd); static void hpsa_scan_start(struct Scsi_Host *); static int hpsa_scan_finished(struct Scsi_Host *sh, unsigned long elapsed_time); @@ -1926,7 +1924,7 @@ sglist_finished: } -static int hpsa_scsi_queue_command(struct scsi_cmnd *cmd, +static int hpsa_scsi_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct ctlr_info *h; @@ -2020,6 +2018,8 @@ static int hpsa_scsi_queue_command(struct scsi_cmnd *cmd, return 0; } +static DEF_SCSI_QCMD(hpsa_scsi_queue_command) + static void hpsa_scan_start(struct Scsi_Host *sh) { struct ctlr_info *h = shost_to_hba(sh); diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c index 0729f150b33..10b65556937 100644 --- a/drivers/scsi/hptiop.c +++ b/drivers/scsi/hptiop.c @@ -751,7 +751,7 @@ static void hptiop_post_req_mv(struct hptiop_hba *hba, MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba); } -static int hptiop_queuecommand(struct scsi_cmnd *scp, +static int hptiop_queuecommand_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) { struct Scsi_Host *host = scp->device->host; @@ -819,6 +819,8 @@ cmd_done: return 0; } +static DEF_SCSI_QCMD(hptiop_queuecommand) + static const char *hptiop_info(struct Scsi_Host *host) { return driver_name_long; diff --git a/drivers/scsi/ibmmca.c b/drivers/scsi/ibmmca.c index 9a4b69d4f4e..67fc8ffd52e 100644 --- a/drivers/scsi/ibmmca.c +++ b/drivers/scsi/ibmmca.c @@ -39,7 +39,7 @@ #include <scsi/scsi_host.h> /* Common forward declarations for all Linux-versions: */ -static int ibmmca_queuecommand (Scsi_Cmnd *, void (*done) (Scsi_Cmnd *)); +static int ibmmca_queuecommand (struct Scsi_Host *, struct scsi_cmnd *); static int ibmmca_abort (Scsi_Cmnd *); static int ibmmca_host_reset (Scsi_Cmnd *); static int ibmmca_biosparam (struct scsi_device *, struct block_device *, sector_t, int *); @@ -1691,7 +1691,7 @@ static int __devexit ibmmca_remove(struct device *dev) } /* The following routine is the SCSI command queue for the midlevel driver */ -static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) +static int ibmmca_queuecommand_lck(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) { unsigned int ldn; unsigned int scsi_cmd; @@ -1996,6 +1996,8 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) return 0; } +static DEF_SCSI_QCMD(ibmmca_queuecommand) + static int __ibmmca_abort(Scsi_Cmnd * cmd) { /* Abort does not work, as the adapter never generates an interrupt on diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index 00d08b25425..57cad7e20ca 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -1606,7 +1606,7 @@ static inline int ibmvfc_host_chkready(struct ibmvfc_host *vhost) * Returns: * 0 on success / other on failure **/ -static int ibmvfc_queuecommand(struct scsi_cmnd *cmnd, +static int ibmvfc_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) { struct ibmvfc_host *vhost = shost_priv(cmnd->device->host); @@ -1672,6 +1672,8 @@ static int ibmvfc_queuecommand(struct scsi_cmnd *cmnd, return 0; } +static DEF_SCSI_QCMD(ibmvfc_queuecommand) + /** * ibmvfc_sync_completion - Signal that a synchronous command has completed * @evt: ibmvfc event struct diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 67f78a470f5..041958453e2 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -713,7 +713,7 @@ static inline u16 lun_from_dev(struct scsi_device *dev) * @cmd: struct scsi_cmnd to be executed * @done: Callback function to be called when cmd is completed */ -static int ibmvscsi_queuecommand(struct scsi_cmnd *cmnd, +static int ibmvscsi_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) { struct srp_cmd *srp_cmd; @@ -766,6 +766,8 @@ static int ibmvscsi_queuecommand(struct scsi_cmnd *cmnd, return ibmvscsi_send_srp_event(evt_struct, hostdata, 0); } +static DEF_SCSI_QCMD(ibmvscsi_queuecommand) + /* ------------------------------------------------------------ * Routines for driver initialization */ diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index 4734ab0b3ff..99aa0e5699b 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -926,7 +926,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) return 0; } -static int imm_queuecommand(struct scsi_cmnd *cmd, +static int imm_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { imm_struct *dev = imm_dev(cmd->device->host); @@ -949,6 +949,8 @@ static int imm_queuecommand(struct scsi_cmnd *cmd, return 0; } +static DEF_SCSI_QCMD(imm_queuecommand) + /* * Apparently the disk->capacity attribute is off by 1 sector * for all disk drives. We add the one here, but it should really diff --git a/drivers/scsi/in2000.c b/drivers/scsi/in2000.c index 52bdc6df6b9..6568aab745a 100644 --- a/drivers/scsi/in2000.c +++ b/drivers/scsi/in2000.c @@ -334,7 +334,7 @@ static uchar calc_sync_xfer(unsigned int period, unsigned int offset) static void in2000_execute(struct Scsi_Host *instance); -static int in2000_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) +static int in2000_queuecommand_lck(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) { struct Scsi_Host *instance; struct IN2000_hostdata *hostdata; @@ -431,6 +431,8 @@ static int in2000_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) return 0; } +static DEF_SCSI_QCMD(in2000_queuecommand) + /* diff --git a/drivers/scsi/in2000.h b/drivers/scsi/in2000.h index 0fb8b06b839..5821e1fbce0 100644 --- a/drivers/scsi/in2000.h +++ b/drivers/scsi/in2000.h @@ -396,7 +396,7 @@ struct IN2000_hostdata { flags) static int in2000_detect(struct scsi_host_template *) in2000__INIT; -static int in2000_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); +static int in2000_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); static int in2000_abort(Scsi_Cmnd *); static void in2000_setup(char *, int *) in2000__INIT; static int in2000_biosparam(struct scsi_device *, struct block_device *, diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c index 108797761b9..9627d062e16 100644 --- a/drivers/scsi/initio.c +++ b/drivers/scsi/initio.c @@ -2639,7 +2639,7 @@ static void initio_build_scb(struct initio_host * host, struct scsi_ctrl_blk * c * will cause the mid layer to call us again later with the command) */ -static int i91u_queuecommand(struct scsi_cmnd *cmd, +static int i91u_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct initio_host *host = (struct initio_host *) cmd->device->host->hostdata; @@ -2656,6 +2656,8 @@ static int i91u_queuecommand(struct scsi_cmnd *cmd, return 0; } +static DEF_SCSI_QCMD(i91u_queuecommand) + /** * i91u_bus_reset - reset the SCSI bus * @cmnd: Command block we want to trigger the reset for diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index fa60d7df44b..5bbaee597e8 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -5709,7 +5709,7 @@ static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd) * SCSI_MLQUEUE_DEVICE_BUSY if device is busy * SCSI_MLQUEUE_HOST_BUSY if host is busy **/ -static int ipr_queuecommand(struct scsi_cmnd *scsi_cmd, +static int ipr_queuecommand_lck(struct scsi_cmnd *scsi_cmd, void (*done) (struct scsi_cmnd *)) { struct ipr_ioa_cfg *ioa_cfg; @@ -5792,6 +5792,8 @@ static int ipr_queuecommand(struct scsi_cmnd *scsi_cmd, return 0; } +static DEF_SCSI_QCMD(ipr_queuecommand) + /** * ipr_ioctl - IOCTL handler * @sdev: scsi device struct diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index f83a116955f..b2511acd39b 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -232,7 +232,7 @@ static int ips_detect(struct scsi_host_template *); static int ips_release(struct Scsi_Host *); static int ips_eh_abort(struct scsi_cmnd *); static int ips_eh_reset(struct scsi_cmnd *); -static int ips_queue(struct scsi_cmnd *, void (*)(struct scsi_cmnd *)); +static int ips_queue(struct Scsi_Host *, struct scsi_cmnd *); static const char *ips_info(struct Scsi_Host *); static irqreturn_t do_ipsintr(int, void *); static int ips_hainit(ips_ha_t *); @@ -1046,7 +1046,7 @@ static int ips_eh_reset(struct scsi_cmnd *SC) /* Linux obtains io_request_lock before calling this function */ /* */ /****************************************************************************/ -static int ips_queue(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *)) +static int ips_queue_lck(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *)) { ips_ha_t *ha; ips_passthru_t *pt; @@ -1137,6 +1137,8 @@ static int ips_queue(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *)) return (0); } +static DEF_SCSI_QCMD(ips_queue) + /****************************************************************************/ /* */ /* Routine Name: ips_biosparam */ diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index e340373b509..2924363d142 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -1753,7 +1753,7 @@ static inline int fc_fcp_lport_queue_ready(struct fc_lport *lport) * This is the i/o strategy routine, called by the SCSI layer. This routine * is called with the host_lock held. */ -int fc_queuecommand(struct scsi_cmnd *sc_cmd, void (*done)(struct scsi_cmnd *)) +static int fc_queuecommand_lck(struct scsi_cmnd *sc_cmd, void (*done)(struct scsi_cmnd *)) { struct fc_lport *lport; struct fc_rport *rport = starget_to_rport(scsi_target(sc_cmd->device)); @@ -1851,6 +1851,8 @@ out: spin_lock_irq(lport->host->host_lock); return rc; } + +DEF_SCSI_QCMD(fc_queuecommand) EXPORT_SYMBOL(fc_queuecommand); /** diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 633e0903635..c15fde808c3 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1599,7 +1599,7 @@ enum { FAILURE_SESSION_NOT_READY, }; -int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) +static int iscsi_queuecommand_lck(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) { struct iscsi_cls_session *cls_session; struct Scsi_Host *host; @@ -1736,6 +1736,8 @@ fault: spin_lock(host->host_lock); return 0; } + +DEF_SCSI_QCMD(iscsi_queuecommand) EXPORT_SYMBOL_GPL(iscsi_queuecommand); int iscsi_change_queue_depth(struct scsi_device *sdev, int depth, int reason) diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 55f09e92ab5..29251fabecc 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -189,7 +189,7 @@ int sas_queue_up(struct sas_task *task) * Note: XXX: Remove the host unlock/lock pair when SCSI Core can * call us without holding an IRQ spinlock... */ -int sas_queuecommand(struct scsi_cmnd *cmd, +static int sas_queuecommand_lck(struct scsi_cmnd *cmd, void (*scsi_done)(struct scsi_cmnd *)) __releases(host->host_lock) __acquires(dev->sata_dev.ap->lock) @@ -254,6 +254,8 @@ out: return res; } +DEF_SCSI_QCMD(sas_queuecommand) + static void sas_eh_finish_cmd(struct scsi_cmnd *cmd) { struct sas_task *task = TO_SAS_TASK(cmd); diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index f64b65a770b..581837b3c71 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -2899,7 +2899,7 @@ void lpfc_poll_timeout(unsigned long ptr) * SCSI_MLQUEUE_HOST_BUSY - Block all devices served by this host temporarily. **/ static int -lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) +lpfc_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) { struct Scsi_Host *shost = cmnd->device->host; struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; @@ -3060,6 +3060,8 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) return 0; } +static DEF_SCSI_QCMD(lpfc_queuecommand) + /** * lpfc_abort_handler - scsi_host_template eh_abort_handler entry point * @cmnd: Pointer to scsi_cmnd data structure. diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index 3ddb4dc62d5..6c42dff0f4d 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -66,7 +66,7 @@ static void cmd_done(struct fsc_state *, int result); static void set_dma_cmds(struct fsc_state *, struct scsi_cmnd *); -static int mac53c94_queue(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) +static int mac53c94_queue_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct fsc_state *state; @@ -99,6 +99,8 @@ static int mac53c94_queue(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd * return 0; } +static DEF_SCSI_QCMD(mac53c94_queue) + static int mac53c94_host_reset(struct scsi_cmnd *cmd) { struct fsc_state *state = (struct fsc_state *) cmd->device->host->hostdata; diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 7ceb5cf12c6..9aa048525eb 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -366,7 +366,7 @@ mega_runpendq(adapter_t *adapter) * The command queuing entry point for the mid-layer. */ static int -megaraid_queue(Scsi_Cmnd *scmd, void (*done)(Scsi_Cmnd *)) +megaraid_queue_lck(Scsi_Cmnd *scmd, void (*done)(Scsi_Cmnd *)) { adapter_t *adapter; scb_t *scb; @@ -409,6 +409,8 @@ megaraid_queue(Scsi_Cmnd *scmd, void (*done)(Scsi_Cmnd *)) return busy; } +static DEF_SCSI_QCMD(megaraid_queue) + /** * mega_allocate_scb() * @adapter - pointer to our soft state @@ -4456,7 +4458,7 @@ mega_internal_command(adapter_t *adapter, megacmd_t *mc, mega_passthru *pthru) scb->idx = CMDID_INT_CMDS; - megaraid_queue(scmd, mega_internal_done); + megaraid_queue_lck(scmd, mega_internal_done); wait_for_completion(&adapter->int_waitq); diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h index 2b4a048cadf..f5644745e24 100644 --- a/drivers/scsi/megaraid.h +++ b/drivers/scsi/megaraid.h @@ -987,7 +987,7 @@ static int mega_query_adapter(adapter_t *); static int issue_scb(adapter_t *, scb_t *); static int mega_setup_mailbox(adapter_t *); -static int megaraid_queue (Scsi_Cmnd *, void (*)(Scsi_Cmnd *)); +static int megaraid_queue (struct Scsi_Host *, struct scsi_cmnd *); static scb_t * mega_build_cmd(adapter_t *, Scsi_Cmnd *, int *); static void __mega_runpendq(adapter_t *); static int issue_scb_block(adapter_t *, u_char *); diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index a7810a106b3..5708cb27d07 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -113,8 +113,7 @@ static int megaraid_mbox_fire_sync_cmd(adapter_t *); static void megaraid_mbox_display_scb(adapter_t *, scb_t *); static void megaraid_mbox_setup_device_map(adapter_t *); -static int megaraid_queue_command(struct scsi_cmnd *, - void (*)(struct scsi_cmnd *)); +static int megaraid_queue_command(struct Scsi_Host *, struct scsi_cmnd *); static scb_t *megaraid_mbox_build_cmd(adapter_t *, struct scsi_cmnd *, int *); static void megaraid_mbox_runpendq(adapter_t *, scb_t *); static void megaraid_mbox_prepare_pthru(adapter_t *, scb_t *, @@ -1484,7 +1483,7 @@ mbox_post_cmd(adapter_t *adapter, scb_t *scb) * Queue entry point for mailbox based controllers. */ static int -megaraid_queue_command(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) +megaraid_queue_command_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) { adapter_t *adapter; scb_t *scb; @@ -1513,6 +1512,8 @@ megaraid_queue_command(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) return if_busy; } +static DEF_SCSI_QCMD(megaraid_queue_command) + /** * megaraid_mbox_build_cmd - transform the mid-layer scsi commands * @adapter : controller's soft state diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index eb29d508513..7451bc096a0 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -1334,7 +1334,7 @@ megasas_dump_pending_frames(struct megasas_instance *instance) * @done: Callback entry point */ static int -megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *)) +megasas_queue_command_lck(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *)) { u32 frame_count; struct megasas_cmd *cmd; @@ -1417,6 +1417,8 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *)) return 0; } +static DEF_SCSI_QCMD(megasas_queue_command) + static struct megasas_instance *megasas_lookup_instance(u16 host_no) { int i; diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index 1f784fde251..197aa1b3f0f 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -1627,7 +1627,7 @@ static void cmd_complete(struct mesh_state *ms) * Called by midlayer with host locked to queue a new * request */ -static int mesh_queue(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) +static int mesh_queue_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct mesh_state *ms; @@ -1648,6 +1648,8 @@ static int mesh_queue(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) return 0; } +static DEF_SCSI_QCMD(mesh_queue) + /* * Called to handle interrupts, either call by the interrupt * handler (do_mesh_interrupt) or by other functions in diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 16e99b68635..1a96a00418a 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -3315,7 +3315,7 @@ _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full */ static int -_scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) +_scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) { struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); struct MPT2SAS_DEVICE *sas_device_priv_data; @@ -3441,6 +3441,8 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) return SCSI_MLQUEUE_HOST_BUSY; } +static DEF_SCSI_QCMD(_scsih_qcmd) + /** * _scsih_normalize_sense - normalize descriptor and fixed format sense data * @sense_buffer: sense data returned by target diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index d013a2aa2fd..46cc3825638 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -8029,7 +8029,7 @@ static int ncr53c8xx_slave_configure(struct scsi_device *device) return 0; } -static int ncr53c8xx_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) +static int ncr53c8xx_queue_command_lck (struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct ncb *np = ((struct host_data *) cmd->device->host->hostdata)->ncb; unsigned long flags; @@ -8068,6 +8068,8 @@ printk("ncr53c8xx : command successfully queued\n"); return sts; } +static DEF_SCSI_QCMD(ncr53c8xx_queue_command) + irqreturn_t ncr53c8xx_intr(int irq, void *dev_id) { unsigned long flags; diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c index 4c1e5454520..6b8b021400f 100644 --- a/drivers/scsi/nsp32.c +++ b/drivers/scsi/nsp32.c @@ -196,8 +196,7 @@ static void __exit exit_nsp32 (void); static int nsp32_proc_info (struct Scsi_Host *, char *, char **, off_t, int, int); static int nsp32_detect (struct pci_dev *pdev); -static int nsp32_queuecommand(struct scsi_cmnd *, - void (*done)(struct scsi_cmnd *)); +static int nsp32_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); static const char *nsp32_info (struct Scsi_Host *); static int nsp32_release (struct Scsi_Host *); @@ -909,7 +908,7 @@ static int nsp32_setup_sg_table(struct scsi_cmnd *SCpnt) return TRUE; } -static int nsp32_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +static int nsp32_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata; nsp32_target *target; @@ -1050,6 +1049,8 @@ static int nsp32_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_ return 0; } +static DEF_SCSI_QCMD(nsp32_queuecommand) + /* initialize asic */ static int nsp32hw_init(nsp32_hw_data *data) { diff --git a/drivers/scsi/pas16.h b/drivers/scsi/pas16.h index 8dc5b1a5f5d..a04281cace2 100644 --- a/drivers/scsi/pas16.h +++ b/drivers/scsi/pas16.h @@ -118,7 +118,7 @@ static int pas16_abort(Scsi_Cmnd *); static int pas16_biosparam(struct scsi_device *, struct block_device *, sector_t, int*); static int pas16_detect(struct scsi_host_template *); -static int pas16_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); +static int pas16_queue_command(struct Scsi_Host *, struct scsi_cmnd *); static int pas16_bus_reset(Scsi_Cmnd *); #ifndef CMD_PER_LUN diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index 9326c2c1488..be3f33d31a9 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -184,7 +184,7 @@ static void nsp_scsi_done(struct scsi_cmnd *SCpnt) SCpnt->scsi_done(SCpnt); } -static int nsp_queuecommand(struct scsi_cmnd *SCpnt, +static int nsp_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { #ifdef NSP_DEBUG @@ -264,6 +264,8 @@ static int nsp_queuecommand(struct scsi_cmnd *SCpnt, return 0; } +static DEF_SCSI_QCMD(nsp_queuecommand) + /* * setup PIO FIFO transfer mode and enable/disable to data out */ diff --git a/drivers/scsi/pcmcia/nsp_cs.h b/drivers/scsi/pcmcia/nsp_cs.h index d68c9f267c5..7fc9a9d0a44 100644 --- a/drivers/scsi/pcmcia/nsp_cs.h +++ b/drivers/scsi/pcmcia/nsp_cs.h @@ -299,8 +299,7 @@ static int nsp_proc_info ( off_t offset, int length, int inout); -static int nsp_queuecommand(struct scsi_cmnd *SCpnt, - void (* done)(struct scsi_cmnd *SCpnt)); +static int nsp_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *SCpnt); /* Error handler */ /*static int nsp_eh_abort (struct scsi_cmnd *SCpnt);*/ diff --git a/drivers/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c index 0ae27cb5cd6..8552296edaa 100644 --- a/drivers/scsi/pcmcia/sym53c500_cs.c +++ b/drivers/scsi/pcmcia/sym53c500_cs.c @@ -547,7 +547,7 @@ SYM53C500_info(struct Scsi_Host *SChost) } static int -SYM53C500_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +SYM53C500_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { int i; int port_base = SCpnt->device->host->io_port; @@ -583,6 +583,8 @@ SYM53C500_queue(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) return 0; } +static DEF_SCSI_QCMD(SYM53C500_queue) + static int SYM53C500_host_reset(struct scsi_cmnd *SCpnt) { diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index 8e38ca8cd10..7f064f9ca82 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -50,7 +50,6 @@ #include <linux/dma-mapping.h> #include <linux/pci.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <scsi/libsas.h> #include <scsi/scsi_tcq.h> #include <scsi/sas_ata.h> diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index cf89091e4c3..5e76a624cb0 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -3478,7 +3478,7 @@ static int pmcraid_copy_sglist( * SCSI_MLQUEUE_DEVICE_BUSY if device is busy * SCSI_MLQUEUE_HOST_BUSY if host is busy */ -static int pmcraid_queuecommand( +static int pmcraid_queuecommand_lck( struct scsi_cmnd *scsi_cmd, void (*done) (struct scsi_cmnd *) ) @@ -3584,6 +3584,8 @@ static int pmcraid_queuecommand( return rc; } +static DEF_SCSI_QCMD(pmcraid_queuecommand) + /** * pmcraid_open -char node "open" entry, allowed only users with admin access */ diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c index 7bc2d796e40..d164c963936 100644 --- a/drivers/scsi/ppa.c +++ b/drivers/scsi/ppa.c @@ -798,7 +798,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) return 0; } -static int ppa_queuecommand(struct scsi_cmnd *cmd, +static int ppa_queuecommand_lck(struct scsi_cmnd *cmd, void (*done) (struct scsi_cmnd *)) { ppa_struct *dev = ppa_dev(cmd->device->host); @@ -821,6 +821,8 @@ static int ppa_queuecommand(struct scsi_cmnd *cmd, return 0; } +static DEF_SCSI_QCMD(ppa_queuecommand) + /* * Apparently the disk->capacity attribute is off by 1 sector * for all disk drives. We add the one here, but it should really diff --git a/drivers/scsi/ps3rom.c b/drivers/scsi/ps3rom.c index 92ffbb51049..cd178b9e40c 100644 --- a/drivers/scsi/ps3rom.c +++ b/drivers/scsi/ps3rom.c @@ -211,7 +211,7 @@ static int ps3rom_write_request(struct ps3_storage_device *dev, return 0; } -static int ps3rom_queuecommand(struct scsi_cmnd *cmd, +static int ps3rom_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct ps3rom_private *priv = shost_priv(cmd->device->host); @@ -260,6 +260,8 @@ static int ps3rom_queuecommand(struct scsi_cmnd *cmd, return 0; } +static DEF_SCSI_QCMD(ps3rom_queuecommand) + static int decode_lv1_status(u64 status, unsigned char *sense_key, unsigned char *asc, unsigned char *ascq) { diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index b8166ecfd0e..5dec684bf01 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -727,7 +727,7 @@ qla1280_info(struct Scsi_Host *host) * context which is a big NO! NO!. **************************************************************************/ static int -qla1280_queuecommand(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)) +qla1280_queuecommand_lck(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)) { struct Scsi_Host *host = cmd->device->host; struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; @@ -756,6 +756,8 @@ qla1280_queuecommand(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)) return status; } +static DEF_SCSI_QCMD(qla1280_queuecommand) + enum action { ABORT_COMMAND, DEVICE_RESET, diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 1830e6e9731..1644eabaafe 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -179,8 +179,7 @@ static int qla2xxx_slave_alloc(struct scsi_device *); static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time); static void qla2xxx_scan_start(struct Scsi_Host *); static void qla2xxx_slave_destroy(struct scsi_device *); -static int qla2xxx_queuecommand(struct scsi_cmnd *cmd, - void (*fn)(struct scsi_cmnd *)); +static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); static int qla2xxx_eh_abort(struct scsi_cmnd *); static int qla2xxx_eh_device_reset(struct scsi_cmnd *); static int qla2xxx_eh_target_reset(struct scsi_cmnd *); @@ -535,7 +534,7 @@ qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport, } static int -qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) +qla2xxx_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { scsi_qla_host_t *vha = shost_priv(cmd->device->host); fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; @@ -609,6 +608,8 @@ qc24_fail_command: return 0; } +static DEF_SCSI_QCMD(qla2xxx_queuecommand) + /* * qla2x00_eh_wait_on_command diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index f4cd846abf6..0d48fb4d104 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -79,8 +79,7 @@ static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); /* * SCSI host template entry points */ -static int qla4xxx_queuecommand(struct scsi_cmnd *cmd, - void (*done) (struct scsi_cmnd *)); +static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); @@ -464,7 +463,7 @@ void qla4xxx_srb_compl(struct kref *ref) * completion handling). Unfortunely, it sometimes calls the scheduler * in interrupt context which is a big NO! NO!. **/ -static int qla4xxx_queuecommand(struct scsi_cmnd *cmd, +static int qla4xxx_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct scsi_qla_host *ha = to_qla_host(cmd->device->host); @@ -538,6 +537,8 @@ qc_fail_command: return 0; } +static DEF_SCSI_QCMD(qla4xxx_queuecommand) + /** * qla4xxx_mem_free - frees memory allocated to adapter * @ha: Pointer to host adapter structure. diff --git a/drivers/scsi/qlogicfas408.c b/drivers/scsi/qlogicfas408.c index 1ad51552d6b..c3a9151ca82 100644 --- a/drivers/scsi/qlogicfas408.c +++ b/drivers/scsi/qlogicfas408.c @@ -439,7 +439,7 @@ irqreturn_t qlogicfas408_ihandl(int irq, void *dev_id) * Queued command */ -int qlogicfas408_queuecommand(struct scsi_cmnd *cmd, +static int qlogicfas408_queuecommand_lck(struct scsi_cmnd *cmd, void (*done) (struct scsi_cmnd *)) { struct qlogicfas408_priv *priv = get_priv_by_cmd(cmd); @@ -459,6 +459,8 @@ int qlogicfas408_queuecommand(struct scsi_cmnd *cmd, return 0; } +DEF_SCSI_QCMD(qlogicfas408_queuecommand) + /* * Return bios parameters */ diff --git a/drivers/scsi/qlogicfas408.h b/drivers/scsi/qlogicfas408.h index 260626427a3..2f6c0a16620 100644 --- a/drivers/scsi/qlogicfas408.h +++ b/drivers/scsi/qlogicfas408.h @@ -103,8 +103,7 @@ struct qlogicfas408_priv { #define get_priv_by_host(x) (struct qlogicfas408_priv *)&((x)->hostdata[0]) irqreturn_t qlogicfas408_ihandl(int irq, void *dev_id); -int qlogicfas408_queuecommand(struct scsi_cmnd * cmd, - void (*done) (struct scsi_cmnd *)); +int qlogicfas408_queuecommand(struct Scsi_Host *h, struct scsi_cmnd * cmd); int qlogicfas408_biosparam(struct scsi_device * disk, struct block_device *dev, sector_t capacity, int ip[]); diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index f8c561cf751..664c9572d0c 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -1003,7 +1003,7 @@ static int qlogicpti_slave_configure(struct scsi_device *sdev) * * "This code must fly." -davem */ -static int qlogicpti_queuecommand(struct scsi_cmnd *Cmnd, void (*done)(struct scsi_cmnd *)) +static int qlogicpti_queuecommand_lck(struct scsi_cmnd *Cmnd, void (*done)(struct scsi_cmnd *)) { struct Scsi_Host *host = Cmnd->device->host; struct qlogicpti *qpti = (struct qlogicpti *) host->hostdata; @@ -1052,6 +1052,8 @@ toss_command: return 1; } +static DEF_SCSI_QCMD(qlogicpti_queuecommand) + static int qlogicpti_return_status(struct Status_Entry *sts, int id) { int host_status = DID_ERROR; diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 348fba0a897..2aeb2e9c4d3 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -634,12 +634,13 @@ void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) * Description: a serial number identifies a request for error recovery * and debugging purposes. Protected by the Host_Lock of host. */ -static inline void scsi_cmd_get_serial(struct Scsi_Host *host, struct scsi_cmnd *cmd) +void scsi_cmd_get_serial(struct Scsi_Host *host, struct scsi_cmnd *cmd) { cmd->serial_number = host->cmd_serial_number++; if (cmd->serial_number == 0) cmd->serial_number = host->cmd_serial_number++; } +EXPORT_SYMBOL(scsi_cmd_get_serial); /** * scsi_dispatch_command - Dispatch a command to the low-level driver. @@ -651,7 +652,6 @@ static inline void scsi_cmd_get_serial(struct Scsi_Host *host, struct scsi_cmnd int scsi_dispatch_cmd(struct scsi_cmnd *cmd) { struct Scsi_Host *host = cmd->device->host; - unsigned long flags = 0; unsigned long timeout; int rtn = 0; @@ -737,23 +737,15 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) goto out; } - spin_lock_irqsave(host->host_lock, flags); - /* - * AK: unlikely race here: for some reason the timer could - * expire before the serial number is set up below. - * - * TODO: kill serial or move to blk layer - */ - scsi_cmd_get_serial(host, cmd); - if (unlikely(host->shost_state == SHOST_DEL)) { cmd->result = (DID_NO_CONNECT << 16); scsi_done(cmd); } else { trace_scsi_dispatch_cmd_start(cmd); - rtn = host->hostt->queuecommand(cmd, scsi_done); + cmd->scsi_done = scsi_done; + rtn = host->hostt->queuecommand(host, cmd); } - spin_unlock_irqrestore(host->host_lock, flags); + if (rtn) { trace_scsi_dispatch_cmd_error(cmd, rtn); if (rtn != SCSI_MLQUEUE_DEVICE_BUSY && diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 2c36bae3bd4..2f1f9b079b1 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -3538,7 +3538,7 @@ static void sdebug_remove_adapter(void) } static -int scsi_debug_queuecommand(struct scsi_cmnd *SCpnt, done_funct_t done) +int scsi_debug_queuecommand_lck(struct scsi_cmnd *SCpnt, done_funct_t done) { unsigned char *cmd = (unsigned char *) SCpnt->cmnd; int len, k; @@ -3884,6 +3884,8 @@ write: (delay_override ? 0 : scsi_debug_delay)); } +static DEF_SCSI_QCMD(scsi_debug_queuecommand) + static struct scsi_host_template sdebug_driver_template = { .proc_info = scsi_debug_proc_info, .proc_name = sdebug_proc_name, diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 1de30eb83bb..824b8fc03ce 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -320,19 +320,11 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) "changed. The Linux SCSI layer does not " "automatically adjust these parameters.\n"); - if (scmd->request->cmd_flags & REQ_HARDBARRIER) - /* - * barrier requests should always retry on UA - * otherwise block will get a spurious error - */ - return NEEDS_RETRY; - else - /* - * for normal (non barrier) commands, pass the - * UA upwards for a determination in the - * completion functions - */ - return SUCCESS; + /* + * Pass the UA upwards for a determination in the completion + * functions. + */ + return SUCCESS; /* these three are not supported */ case COPY_ABORTED: @@ -781,17 +773,15 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, struct Scsi_Host *shost = sdev->host; DECLARE_COMPLETION_ONSTACK(done); unsigned long timeleft; - unsigned long flags; struct scsi_eh_save ses; int rtn; scsi_eh_prep_cmnd(scmd, &ses, cmnd, cmnd_size, sense_bytes); shost->eh_action = &done; - spin_lock_irqsave(shost->host_lock, flags); scsi_log_send(scmd); - shost->hostt->queuecommand(scmd, scsi_eh_done); - spin_unlock_irqrestore(shost->host_lock, flags); + scmd->scsi_done = scsi_eh_done; + shost->hostt->queuecommand(shost, scmd); timeleft = wait_for_completion_timeout(&done, timeout); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index b9ab3a590e4..956496182c8 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -46,7 +46,6 @@ #include <linux/blkdev.h> #include <linux/blkpg.h> #include <linux/delay.h> -#include <linux/smp_lock.h> #include <linux/mutex.h> #include <linux/string_helpers.h> #include <linux/async.h> diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 9c73dbda3bb..606215e54b8 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -572,7 +572,7 @@ stex_slave_destroy(struct scsi_device *sdev) } static int -stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) +stex_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct st_hba *hba; struct Scsi_Host *host; @@ -698,6 +698,8 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) return 0; } +static DEF_SCSI_QCMD(stex_queuecommand) + static void stex_scsi_done(struct st_ccb *ccb) { struct scsi_cmnd *cmd = ccb->cmd; diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c index 713620ed70d..4f0e5485ffd 100644 --- a/drivers/scsi/sun3_NCR5380.c +++ b/drivers/scsi/sun3_NCR5380.c @@ -908,7 +908,7 @@ static int NCR5380_init (struct Scsi_Host *instance, int flags) */ /* Only make static if a wrapper function is used */ -static int NCR5380_queue_command(struct scsi_cmnd *cmd, +static int NCR5380_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { SETUP_HOSTDATA(cmd->device->host); @@ -1019,6 +1019,8 @@ static int NCR5380_queue_command(struct scsi_cmnd *cmd, return 0; } +static DEF_SCSI_QCMD(NCR5380_queue_command) + /* * Function : NCR5380_main (void) * diff --git a/drivers/scsi/sun3_scsi.h b/drivers/scsi/sun3_scsi.h index b29a9d661ca..bcefd8458e6 100644 --- a/drivers/scsi/sun3_scsi.h +++ b/drivers/scsi/sun3_scsi.h @@ -51,8 +51,7 @@ static int sun3scsi_abort(struct scsi_cmnd *); static int sun3scsi_detect (struct scsi_host_template *); static const char *sun3scsi_info (struct Scsi_Host *); static int sun3scsi_bus_reset(struct scsi_cmnd *); -static int sun3scsi_queue_command(struct scsi_cmnd *, - void (*done)(struct scsi_cmnd *)); +static int sun3scsi_queue_command(struct Scsi_Host *, struct scsi_cmnd *); static int sun3scsi_release (struct Scsi_Host *); #ifndef CMD_PER_LUN diff --git a/drivers/scsi/sym53c416.c b/drivers/scsi/sym53c416.c index e5c369bb568..190107ae120 100644 --- a/drivers/scsi/sym53c416.c +++ b/drivers/scsi/sym53c416.c @@ -734,7 +734,7 @@ const char *sym53c416_info(struct Scsi_Host *SChost) return info; } -int sym53c416_queuecommand(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)) +static int sym53c416_queuecommand_lck(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)) { int base; unsigned long flags = 0; @@ -761,6 +761,8 @@ int sym53c416_queuecommand(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)) return 0; } +DEF_SCSI_QCMD(sym53c416_queuecommand) + static int sym53c416_host_reset(Scsi_Cmnd *SCpnt) { int base; diff --git a/drivers/scsi/sym53c416.h b/drivers/scsi/sym53c416.h index 77860d0748f..387de5d80a7 100644 --- a/drivers/scsi/sym53c416.h +++ b/drivers/scsi/sym53c416.h @@ -25,7 +25,7 @@ static int sym53c416_detect(struct scsi_host_template *); static const char *sym53c416_info(struct Scsi_Host *); static int sym53c416_release(struct Scsi_Host *); -static int sym53c416_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); +static int sym53c416_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); static int sym53c416_host_reset(Scsi_Cmnd *); static int sym53c416_bios_param(struct scsi_device *, struct block_device *, sector_t, int *); diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index 8b955b534a3..6b97ded9d45 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -505,7 +505,7 @@ void sym_log_bus_error(struct Scsi_Host *shost) * queuecommand method. Entered with the host adapter lock held and * interrupts disabled. */ -static int sym53c8xx_queue_command(struct scsi_cmnd *cmd, +static int sym53c8xx_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct sym_hcb *np = SYM_SOFTC_PTR(cmd); @@ -536,6 +536,8 @@ static int sym53c8xx_queue_command(struct scsi_cmnd *cmd, return 0; } +static DEF_SCSI_QCMD(sym53c8xx_queue_command) + /* * Linux entry point of the interrupt handler. */ diff --git a/drivers/scsi/t128.h b/drivers/scsi/t128.h index 76a069b7ac0..ada1115079c 100644 --- a/drivers/scsi/t128.h +++ b/drivers/scsi/t128.h @@ -96,8 +96,7 @@ static int t128_abort(struct scsi_cmnd *); static int t128_biosparam(struct scsi_device *, struct block_device *, sector_t, int*); static int t128_detect(struct scsi_host_template *); -static int t128_queue_command(struct scsi_cmnd *, - void (*done)(struct scsi_cmnd *)); +static int t128_queue_command(struct Scsi_Host *, struct scsi_cmnd *); static int t128_bus_reset(struct scsi_cmnd *); #ifndef CMD_PER_LUN diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c index 27866b0adfe..a124a28f2cc 100644 --- a/drivers/scsi/tmscsim.c +++ b/drivers/scsi/tmscsim.c @@ -1883,7 +1883,7 @@ dc390_ScsiRstDetect( struct dc390_acb* pACB ) return; } -static int DC390_queuecommand(struct scsi_cmnd *cmd, +static int DC390_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct scsi_device *sdev = cmd->device; @@ -1944,6 +1944,8 @@ static int DC390_queuecommand(struct scsi_cmnd *cmd, return SCSI_MLQUEUE_DEVICE_BUSY; } +static DEF_SCSI_QCMD(DC390_queuecommand) + static void dc390_dumpinfo (struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_srb* pSRB) { struct pci_dev *pdev; diff --git a/drivers/scsi/u14-34f.c b/drivers/scsi/u14-34f.c index 5d9fdeeb231..edfc5da8be4 100644 --- a/drivers/scsi/u14-34f.c +++ b/drivers/scsi/u14-34f.c @@ -433,7 +433,7 @@ static int u14_34f_detect(struct scsi_host_template *); static int u14_34f_release(struct Scsi_Host *); -static int u14_34f_queuecommand(struct scsi_cmnd *, void (*done)(struct scsi_cmnd *)); +static int u14_34f_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); static int u14_34f_eh_abort(struct scsi_cmnd *); static int u14_34f_eh_host_reset(struct scsi_cmnd *); static int u14_34f_bios_param(struct scsi_device *, struct block_device *, @@ -1248,7 +1248,7 @@ static void scsi_to_dev_dir(unsigned int i, unsigned int j) { } -static int u14_34f_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { +static int u14_34f_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { unsigned int i, j, k; struct mscp *cpp; @@ -1329,6 +1329,8 @@ static int u14_34f_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scs return 0; } +static DEF_SCSI_QCMD(u14_34f_queuecommand) + static int u14_34f_eh_abort(struct scsi_cmnd *SCarg) { unsigned int i, j; diff --git a/drivers/scsi/ultrastor.c b/drivers/scsi/ultrastor.c index 27aa40f3980..0571ef9639c 100644 --- a/drivers/scsi/ultrastor.c +++ b/drivers/scsi/ultrastor.c @@ -700,7 +700,7 @@ static inline void build_sg_list(struct mscp *mscp, struct scsi_cmnd *SCpnt) mscp->transfer_data_length = transfer_length; } -static int ultrastor_queuecommand(struct scsi_cmnd *SCpnt, +static int ultrastor_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done) (struct scsi_cmnd *)) { struct mscp *my_mscp; @@ -825,6 +825,8 @@ retry: return 0; } +static DEF_SCSI_QCMD(ultrastor_queuecommand) + /* This code must deal with 2 cases: 1. The command has not been written to the OGM. In this case, set diff --git a/drivers/scsi/ultrastor.h b/drivers/scsi/ultrastor.h index a692905f95f..165c18b5cf5 100644 --- a/drivers/scsi/ultrastor.h +++ b/drivers/scsi/ultrastor.h @@ -15,8 +15,7 @@ static int ultrastor_detect(struct scsi_host_template *); static const char *ultrastor_info(struct Scsi_Host *shpnt); -static int ultrastor_queuecommand(struct scsi_cmnd *, - void (*done)(struct scsi_cmnd *)); +static int ultrastor_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); static int ultrastor_abort(struct scsi_cmnd *); static int ultrastor_host_reset(struct scsi_cmnd *); static int ultrastor_biosparam(struct scsi_device *, struct block_device *, diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 26894459c37..a18996d2446 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -690,7 +690,7 @@ static int pvscsi_queue_ring(struct pvscsi_adapter *adapter, return 0; } -static int pvscsi_queue(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) +static int pvscsi_queue_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct Scsi_Host *host = cmd->device->host; struct pvscsi_adapter *adapter = shost_priv(host); @@ -719,6 +719,8 @@ static int pvscsi_queue(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) return 0; } +static DEF_SCSI_QCMD(pvscsi_queue) + static int pvscsi_abort(struct scsi_cmnd *cmd) { struct pvscsi_adapter *adapter = shost_priv(cmd->device->host); diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c index b701bf2cc18..5f697e0bd00 100644 --- a/drivers/scsi/wd33c93.c +++ b/drivers/scsi/wd33c93.c @@ -371,8 +371,8 @@ calc_sync_msg(unsigned int period, unsigned int offset, unsigned int fast, msg[1] = offset; } -int -wd33c93_queuecommand(struct scsi_cmnd *cmd, +static int +wd33c93_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct WD33C93_hostdata *hostdata; @@ -468,6 +468,8 @@ wd33c93_queuecommand(struct scsi_cmnd *cmd, return 0; } +DEF_SCSI_QCMD(wd33c93_queuecommand) + /* * This routine attempts to start a scsi command. If the host_card is * already connected, we give up immediately. Otherwise, look through diff --git a/drivers/scsi/wd33c93.h b/drivers/scsi/wd33c93.h index 1ed5f3bf388..3b463d7304d 100644 --- a/drivers/scsi/wd33c93.h +++ b/drivers/scsi/wd33c93.h @@ -343,8 +343,7 @@ struct WD33C93_hostdata { void wd33c93_init (struct Scsi_Host *instance, const wd33c93_regs regs, dma_setup_t setup, dma_stop_t stop, int clock_freq); int wd33c93_abort (struct scsi_cmnd *cmd); -int wd33c93_queuecommand (struct scsi_cmnd *cmd, - void (*done)(struct scsi_cmnd *)); +int wd33c93_queuecommand (struct Scsi_Host *h, struct scsi_cmnd *cmd); void wd33c93_intr (struct Scsi_Host *instance); int wd33c93_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int); int wd33c93_host_reset (struct scsi_cmnd *); diff --git a/drivers/scsi/wd7000.c b/drivers/scsi/wd7000.c index 333580bf37c..db451ae0a36 100644 --- a/drivers/scsi/wd7000.c +++ b/drivers/scsi/wd7000.c @@ -1082,7 +1082,7 @@ static irqreturn_t wd7000_intr(int irq, void *dev_id) return IRQ_HANDLED; } -static int wd7000_queuecommand(struct scsi_cmnd *SCpnt, +static int wd7000_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { Scb *scb; @@ -1139,6 +1139,8 @@ static int wd7000_queuecommand(struct scsi_cmnd *SCpnt, return 0; } +static DEF_SCSI_QCMD(wd7000_queuecommand) + static int wd7000_diagnostics(Adapter * host, int code) { static IcbDiag icb = { ICB_OP_DIAGNOSTICS }; diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 53be4d35a0a..842e3b2a02b 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -2285,6 +2285,8 @@ static struct pciserial_board pci_boards[] __devinitdata = { static const struct pci_device_id softmodem_blacklist[] = { { PCI_VDEVICE(AL, 0x5457), }, /* ALi Corporation M5457 AC'97 Modem */ + { PCI_VDEVICE(MOTOROLA, 0x3052), }, /* Motorola Si3052-based modem */ + { PCI_DEVICE(0x1543, 0x3052), }, /* Si3052-based modem, default IDs */ }; /* @@ -2863,6 +2865,9 @@ static struct pci_device_id serial_pci_tbl[] = { PCI_SUBVENDOR_ID_SIIG, PCI_SUBDEVICE_ID_SIIG_QUARTET_SERIAL, 0, 0, pbn_b0_4_1152000 }, + { PCI_VENDOR_ID_OXSEMI, 0x9505, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_b0_bt_2_921600 }, /* * The below card is a little controversial since it is the diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index a9eff2b18ea..19cac9f610f 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -23,6 +23,7 @@ #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/serial_core.h> +#include <linux/dma-mapping.h> #if defined(CONFIG_KGDB_SERIAL_CONSOLE) || \ defined(CONFIG_KGDB_SERIAL_CONSOLE_MODULE) @@ -33,12 +34,10 @@ #include <asm/gpio.h> #include <mach/bfin_serial_5xx.h> -#ifdef CONFIG_SERIAL_BFIN_DMA -#include <linux/dma-mapping.h> +#include <asm/dma.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/cacheflush.h> -#endif #ifdef CONFIG_SERIAL_BFIN_MODULE # undef CONFIG_EARLY_PRINTK @@ -360,7 +359,6 @@ static void bfin_serial_tx_chars(struct bfin_serial_port *uart) UART_PUT_CHAR(uart, xmit->buf[xmit->tail]); xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); uart->port.icount.tx++; - SSYNC(); } if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) @@ -688,6 +686,13 @@ static int bfin_serial_startup(struct uart_port *port) # ifdef CONFIG_BF54x { + /* + * UART2 and UART3 on BF548 share interrupt PINs and DMA + * controllers with SPORT2 and SPORT3. UART rx and tx + * interrupts are generated in PIO mode only when configure + * their peripheral mapping registers properly, which means + * request corresponding DMA channels in PIO mode as well. + */ unsigned uart_dma_ch_rx, uart_dma_ch_tx; switch (uart->port.irq) { @@ -734,8 +739,7 @@ static int bfin_serial_startup(struct uart_port *port) IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_DISABLED, "BFIN_UART_CTS", uart)) { uart->cts_pin = -1; - pr_info("Unable to attach BlackFin UART CTS interrupt.\ - So, disable it.\n"); + pr_info("Unable to attach BlackFin UART CTS interrupt. So, disable it.\n"); } } if (uart->rts_pin >= 0) { @@ -747,8 +751,7 @@ static int bfin_serial_startup(struct uart_port *port) if (request_irq(uart->status_irq, bfin_serial_mctrl_cts_int, IRQF_DISABLED, "BFIN_UART_MODEM_STATUS", uart)) { - pr_info("Unable to attach BlackFin UART Modem \ - Status interrupt.\n"); + pr_info("Unable to attach BlackFin UART Modem Status interrupt.\n"); } /* CTS RTS PINs are negative assertive. */ @@ -846,6 +849,8 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios, if (termios->c_cflag & CMSPAR) lcr |= STP; + spin_lock_irqsave(&uart->port.lock, flags); + port->read_status_mask = OE; if (termios->c_iflag & INPCK) port->read_status_mask |= (FE | PE); @@ -875,8 +880,6 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios, if (termios->c_line != N_IRDA) quot -= ANOMALY_05000230; - spin_lock_irqsave(&uart->port.lock, flags); - UART_SET_ANOMALY_THRESHOLD(uart, USEC_PER_SEC / baud * 15); /* Disable UART */ @@ -1321,6 +1324,14 @@ struct console __init *bfin_earlyserial_init(unsigned int port, struct bfin_serial_port *uart; struct ktermios t; +#ifdef CONFIG_SERIAL_BFIN_CONSOLE + /* + * If we are using early serial, don't let the normal console rewind + * log buffer, since that causes things to be printed multiple times + */ + bfin_serial_console.flags &= ~CON_PRINTBUFFER; +#endif + if (port == -1 || port >= nr_active_ports) port = 0; bfin_serial_init_ports(); diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index fa62578fcd2..bcc31f2140a 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -18,7 +18,6 @@ static char *serial_version = "$Revision: 1.25 $"; #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/major.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/fcntl.h> #include <linux/mm.h> diff --git a/drivers/serial/kgdboc.c b/drivers/serial/kgdboc.c index d4b711c9a41..3374618300a 100644 --- a/drivers/serial/kgdboc.c +++ b/drivers/serial/kgdboc.c @@ -18,6 +18,7 @@ #include <linux/tty.h> #include <linux/console.h> #include <linux/vt_kern.h> +#include <linux/input.h> #define MAX_CONFIG_LEN 40 @@ -37,6 +38,61 @@ static struct tty_driver *kgdb_tty_driver; static int kgdb_tty_line; #ifdef CONFIG_KDB_KEYBOARD +static int kgdboc_reset_connect(struct input_handler *handler, + struct input_dev *dev, + const struct input_device_id *id) +{ + input_reset_device(dev); + + /* Retrun an error - we do not want to bind, just to reset */ + return -ENODEV; +} + +static void kgdboc_reset_disconnect(struct input_handle *handle) +{ + /* We do not expect anyone to actually bind to us */ + BUG(); +} + +static const struct input_device_id kgdboc_reset_ids[] = { + { + .flags = INPUT_DEVICE_ID_MATCH_EVBIT, + .evbit = { BIT_MASK(EV_KEY) }, + }, + { } +}; + +static struct input_handler kgdboc_reset_handler = { + .connect = kgdboc_reset_connect, + .disconnect = kgdboc_reset_disconnect, + .name = "kgdboc_reset", + .id_table = kgdboc_reset_ids, +}; + +static DEFINE_MUTEX(kgdboc_reset_mutex); + +static void kgdboc_restore_input_helper(struct work_struct *dummy) +{ + /* + * We need to take a mutex to prevent several instances of + * this work running on different CPUs so they don't try + * to register again already registered handler. + */ + mutex_lock(&kgdboc_reset_mutex); + + if (input_register_handler(&kgdboc_reset_handler) == 0) + input_unregister_handler(&kgdboc_reset_handler); + + mutex_unlock(&kgdboc_reset_mutex); +} + +static DECLARE_WORK(kgdboc_restore_input_work, kgdboc_restore_input_helper); + +static void kgdboc_restore_input(void) +{ + schedule_work(&kgdboc_restore_input_work); +} + static int kgdboc_register_kbd(char **cptr) { if (strncmp(*cptr, "kbd", 3) == 0) { @@ -64,10 +120,12 @@ static void kgdboc_unregister_kbd(void) i--; } } + flush_work_sync(&kgdboc_restore_input_work); } #else /* ! CONFIG_KDB_KEYBOARD */ #define kgdboc_register_kbd(x) 0 #define kgdboc_unregister_kbd() +#define kgdboc_restore_input() #endif /* ! CONFIG_KDB_KEYBOARD */ static int kgdboc_option_setup(char *opt) @@ -231,6 +289,7 @@ static void kgdboc_post_exp_handler(void) dbg_restore_graphics = 0; con_debug_leave(); } + kgdboc_restore_input(); } static struct kgdb_io kgdboc_io_ops = { diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index c4ea14670d4..9ffa5bee44a 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -29,7 +29,6 @@ #include <linux/console.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <linux/device.h> #include <linux/serial.h> /* for serial_state and serial_icounter_struct */ #include <linux/serial_core.h> diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c index fd0d1b98901..cb12a8e1466 100644 --- a/drivers/sh/clk/core.c +++ b/drivers/sh/clk/core.c @@ -90,8 +90,8 @@ struct clk_rate_round_data { static long clk_rate_round_helper(struct clk_rate_round_data *rounder) { unsigned long rate_error, rate_error_prev = ~0UL; - unsigned long rate_best_fit = rounder->rate; unsigned long highest, lowest, freq; + long rate_best_fit = -ENOENT; int i; highest = 0; @@ -146,7 +146,7 @@ long clk_rate_table_round(struct clk *clk, }; if (clk->nr_freqs < 1) - return 0; + return -ENOSYS; return clk_rate_round_helper(&table_round); } @@ -541,6 +541,98 @@ long clk_round_rate(struct clk *clk, unsigned long rate) } EXPORT_SYMBOL_GPL(clk_round_rate); +long clk_round_parent(struct clk *clk, unsigned long target, + unsigned long *best_freq, unsigned long *parent_freq, + unsigned int div_min, unsigned int div_max) +{ + struct cpufreq_frequency_table *freq, *best = NULL; + unsigned long error = ULONG_MAX, freq_high, freq_low, div; + struct clk *parent = clk_get_parent(clk); + + if (!parent) { + *parent_freq = 0; + *best_freq = clk_round_rate(clk, target); + return abs(target - *best_freq); + } + + for (freq = parent->freq_table; freq->frequency != CPUFREQ_TABLE_END; + freq++) { + if (freq->frequency == CPUFREQ_ENTRY_INVALID) + continue; + + if (unlikely(freq->frequency / target <= div_min - 1)) { + unsigned long freq_max; + + freq_max = (freq->frequency + div_min / 2) / div_min; + if (error > target - freq_max) { + error = target - freq_max; + best = freq; + if (best_freq) + *best_freq = freq_max; + } + + pr_debug("too low freq %u, error %lu\n", freq->frequency, + target - freq_max); + + if (!error) + break; + + continue; + } + + if (unlikely(freq->frequency / target >= div_max)) { + unsigned long freq_min; + + freq_min = (freq->frequency + div_max / 2) / div_max; + if (error > freq_min - target) { + error = freq_min - target; + best = freq; + if (best_freq) + *best_freq = freq_min; + } + + pr_debug("too high freq %u, error %lu\n", freq->frequency, + freq_min - target); + + if (!error) + break; + + continue; + } + + div = freq->frequency / target; + freq_high = freq->frequency / div; + freq_low = freq->frequency / (div + 1); + + if (freq_high - target < error) { + error = freq_high - target; + best = freq; + if (best_freq) + *best_freq = freq_high; + } + + if (target - freq_low < error) { + error = target - freq_low; + best = freq; + if (best_freq) + *best_freq = freq_low; + } + + pr_debug("%u / %lu = %lu, / %lu = %lu, best %lu, parent %u\n", + freq->frequency, div, freq_high, div + 1, freq_low, + *best_freq, best->frequency); + + if (!error) + break; + } + + if (parent_freq) + *parent_freq = best->frequency; + + return error; +} +EXPORT_SYMBOL_GPL(clk_round_parent); + #ifdef CONFIG_PM static int clks_sysdev_suspend(struct sys_device *dev, pm_message_t state) { diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c index 873a99ff8f6..e5e9e6735f7 100644 --- a/drivers/sh/intc/core.c +++ b/drivers/sh/intc/core.c @@ -79,7 +79,7 @@ static void __init intc_register_irq(struct intc_desc *desc, * Register the IRQ position with the global IRQ map, then insert * it in to the radix tree. */ - irq_reserve_irqs(irq, 1); + irq_reserve_irq(irq); raw_spin_lock_irqsave(&intc_big_lock, flags); radix_tree_insert(&d->tree, enum_id, intc_irq_xlate_get(irq)); diff --git a/drivers/sh/intc/dynamic.c b/drivers/sh/intc/dynamic.c index 4187cce20ff..a3677c9dfe3 100644 --- a/drivers/sh/intc/dynamic.c +++ b/drivers/sh/intc/dynamic.c @@ -60,5 +60,5 @@ void reserve_intc_vectors(struct intc_vect *vectors, unsigned int nr_vecs) int i; for (i = 0; i < nr_vecs; i++) - irq_reserve_irqs(evt2irq(vectors[i].vect), 1); + irq_reserve_irq(evt2irq(vectors[i].vect)); } diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c index e5bf5d3c698..4e0ff718116 100644 --- a/drivers/sh/intc/virq.c +++ b/drivers/sh/intc/virq.c @@ -215,7 +215,7 @@ restart: entry = radix_tree_deref_slot((void **)entries[i]); if (unlikely(!entry)) continue; - if (unlikely(entry == RADIX_TREE_RETRY)) + if (radix_tree_deref_retry(entry)) goto restart; irq = create_irq(); diff --git a/drivers/staging/ath6kl/Kconfig b/drivers/staging/ath6kl/Kconfig index ae2cdf48b74..8a5caa30b85 100644 --- a/drivers/staging/ath6kl/Kconfig +++ b/drivers/staging/ath6kl/Kconfig @@ -102,7 +102,7 @@ config AR600x_BT_RESET_PIN config ATH6KL_CFG80211 bool "CFG80211 support" - depends on ATH6K_LEGACY + depends on ATH6K_LEGACY && CFG80211 help Enables support for CFG80211 APIs. The default option is to use WEXT. Even with this option enabled, WEXT is not explicitly disabled and the onus of not exercising WEXT lies on the application(s) running in the user space. diff --git a/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c b/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c index 22c6c6659f5..ee8b47746a1 100644 --- a/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c +++ b/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c @@ -285,9 +285,9 @@ A_STATUS SetupHIFScatterSupport(HIF_DEVICE *device, HIF_DEVICE_SCATTER_SUPPORT_I do { /* check if host supports scatter requests and it meets our requirements */ - if (device->func->card->host->max_hw_segs < MAX_SCATTER_ENTRIES_PER_REQ) { + if (device->func->card->host->max_segs < MAX_SCATTER_ENTRIES_PER_REQ) { AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("HIF-SCATTER : host only supports scatter of : %d entries, need: %d \n", - device->func->card->host->max_hw_segs, MAX_SCATTER_ENTRIES_PER_REQ)); + device->func->card->host->max_segs, MAX_SCATTER_ENTRIES_PER_REQ)); status = A_ENOTSUP; break; } diff --git a/drivers/staging/ath6kl/os/linux/ar6000_drv.c b/drivers/staging/ath6kl/os/linux/ar6000_drv.c index c5a6d6c1673..a659f704737 100644 --- a/drivers/staging/ath6kl/os/linux/ar6000_drv.c +++ b/drivers/staging/ath6kl/os/linux/ar6000_drv.c @@ -1126,7 +1126,7 @@ ar6000_transfer_bin_file(AR_SOFTC_T *ar, AR6K_BIN_FILE file, A_UINT32 address, A if ((board_ext_address) && (fw_entry->size == (board_data_size + board_ext_data_size))) { A_UINT32 param; - status = BMIWriteMemory(ar->arHifDevice, board_ext_address, (A_UCHAR *)(((A_UINT32)fw_entry->data) + board_data_size), board_ext_data_size); + status = BMIWriteMemory(ar->arHifDevice, board_ext_address, (A_UCHAR *)(fw_entry->data + board_data_size), board_ext_data_size); if (status != A_OK) { AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("BMI operation failed: %d\n", __LINE__)); @@ -3030,7 +3030,8 @@ ar6000_data_tx(struct sk_buff *skb, struct net_device *dev) A_UINT8 csumDest=0; A_UINT8 csum=skb->ip_summed; if(csumOffload && (csum==CHECKSUM_PARTIAL)){ - csumStart=skb->csum_start-(skb->network_header-skb->head)+sizeof(ATH_LLC_SNAP_HDR); + csumStart = (skb->head + skb->csum_start - skb_network_header(skb) + + sizeof(ATH_LLC_SNAP_HDR)); csumDest=skb->csum_offset+csumStart; } #endif diff --git a/drivers/staging/ath6kl/os/linux/cfg80211.c b/drivers/staging/ath6kl/os/linux/cfg80211.c index c94ad29eeb4..7269d0a1d61 100644 --- a/drivers/staging/ath6kl/os/linux/cfg80211.c +++ b/drivers/staging/ath6kl/os/linux/cfg80211.c @@ -808,7 +808,7 @@ ar6k_cfg80211_scanComplete_event(AR_SOFTC_T *ar, A_STATUS status) static int ar6k_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, - A_UINT8 key_index, const A_UINT8 *mac_addr, + A_UINT8 key_index, bool pairwise, const A_UINT8 *mac_addr, struct key_params *params) { AR_SOFTC_T *ar = (AR_SOFTC_T *)ar6k_priv(ndev); @@ -901,7 +901,7 @@ ar6k_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, static int ar6k_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, - A_UINT8 key_index, const A_UINT8 *mac_addr) + A_UINT8 key_index, bool pairwise, const A_UINT8 *mac_addr) { AR_SOFTC_T *ar = (AR_SOFTC_T *)ar6k_priv(ndev); @@ -936,7 +936,8 @@ ar6k_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, static int ar6k_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, - A_UINT8 key_index, const A_UINT8 *mac_addr, void *cookie, + A_UINT8 key_index, bool pairwise, const A_UINT8 *mac_addr, + void *cookie, void (*callback)(void *cookie, struct key_params*)) { AR_SOFTC_T *ar = (AR_SOFTC_T *)ar6k_priv(ndev); diff --git a/drivers/staging/ath6kl/os/linux/include/athendpack_linux.h b/drivers/staging/ath6kl/os/linux/include/athendpack_linux.h deleted file mode 100644 index e69de29bb2d..00000000000 --- a/drivers/staging/ath6kl/os/linux/include/athendpack_linux.h +++ /dev/null diff --git a/drivers/staging/ath6kl/os/linux/include/athstartpack_linux.h b/drivers/staging/ath6kl/os/linux/include/athstartpack_linux.h deleted file mode 100644 index e69de29bb2d..00000000000 --- a/drivers/staging/ath6kl/os/linux/include/athstartpack_linux.h +++ /dev/null diff --git a/drivers/staging/batman-adv/hard-interface.c b/drivers/staging/batman-adv/hard-interface.c index 80cfa866958..b68a7e5173b 100644 --- a/drivers/staging/batman-adv/hard-interface.c +++ b/drivers/staging/batman-adv/hard-interface.c @@ -165,7 +165,7 @@ static void update_mac_addresses(struct batman_if *batman_if) batman_if->net_dev->dev_addr, ETH_ALEN); } -static void check_known_mac_addr(uint8_t *addr) +static void check_known_mac_addr(struct net_device *net_dev) { struct batman_if *batman_if; @@ -175,11 +175,16 @@ static void check_known_mac_addr(uint8_t *addr) (batman_if->if_status != IF_TO_BE_ACTIVATED)) continue; - if (!compare_orig(batman_if->net_dev->dev_addr, addr)) + if (batman_if->net_dev == net_dev) + continue; + + if (!compare_orig(batman_if->net_dev->dev_addr, + net_dev->dev_addr)) continue; pr_warning("The newly added mac address (%pM) already exists " - "on: %s\n", addr, batman_if->net_dev->name); + "on: %s\n", net_dev->dev_addr, + batman_if->net_dev->name); pr_warning("It is strongly recommended to keep mac addresses " "unique to avoid problems!\n"); } @@ -430,7 +435,7 @@ static struct batman_if *hardif_add_interface(struct net_device *net_dev) atomic_set(&batman_if->refcnt, 0); hardif_hold(batman_if); - check_known_mac_addr(batman_if->net_dev->dev_addr); + check_known_mac_addr(batman_if->net_dev); spin_lock(&if_list_lock); list_add_tail_rcu(&batman_if->list, &if_list); @@ -515,7 +520,7 @@ static int hard_if_event(struct notifier_block *this, goto out; } - check_known_mac_addr(batman_if->net_dev->dev_addr); + check_known_mac_addr(batman_if->net_dev); update_mac_addresses(batman_if); bat_priv = netdev_priv(batman_if->soft_iface); diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c index 90102631330..657b69e6b95 100644 --- a/drivers/staging/batman-adv/routing.c +++ b/drivers/staging/batman-adv/routing.c @@ -1000,10 +1000,10 @@ int recv_icmp_packet(struct sk_buff *skb, struct batman_if *recv_if) /* find a suitable router for this originator, and use * bonding if possible. */ -struct neigh_node *find_router(struct orig_node *orig_node, +struct neigh_node *find_router(struct bat_priv *bat_priv, + struct orig_node *orig_node, struct batman_if *recv_if) { - struct bat_priv *bat_priv; struct orig_node *primary_orig_node; struct orig_node *router_orig; struct neigh_node *router, *first_candidate, *best_router; @@ -1019,13 +1019,9 @@ struct neigh_node *find_router(struct orig_node *orig_node, /* without bonding, the first node should * always choose the default router. */ - if (!recv_if) - return orig_node->router; - - bat_priv = netdev_priv(recv_if->soft_iface); bonding_enabled = atomic_read(&bat_priv->bonding_enabled); - if (!bonding_enabled) + if ((!recv_if) && (!bonding_enabled)) return orig_node->router; router_orig = orig_node->router->orig_node; @@ -1154,7 +1150,7 @@ static int route_unicast_packet(struct sk_buff *skb, orig_node = ((struct orig_node *) hash_find(bat_priv->orig_hash, unicast_packet->dest)); - router = find_router(orig_node, recv_if); + router = find_router(bat_priv, orig_node, recv_if); if (!router) { spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); diff --git a/drivers/staging/batman-adv/routing.h b/drivers/staging/batman-adv/routing.h index 06ea99df370..92674c8d9c0 100644 --- a/drivers/staging/batman-adv/routing.h +++ b/drivers/staging/batman-adv/routing.h @@ -38,8 +38,8 @@ int recv_ucast_frag_packet(struct sk_buff *skb, struct batman_if *recv_if); int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if); int recv_vis_packet(struct sk_buff *skb, struct batman_if *recv_if); int recv_bat_packet(struct sk_buff *skb, struct batman_if *recv_if); -struct neigh_node *find_router(struct orig_node *orig_node, - struct batman_if *recv_if); +struct neigh_node *find_router(struct bat_priv *bat_priv, + struct orig_node *orig_node, struct batman_if *recv_if); void update_bonding_candidates(struct bat_priv *bat_priv, struct orig_node *orig_node); diff --git a/drivers/staging/batman-adv/unicast.c b/drivers/staging/batman-adv/unicast.c index 0dac50d69c0..0459413ff67 100644 --- a/drivers/staging/batman-adv/unicast.c +++ b/drivers/staging/batman-adv/unicast.c @@ -224,7 +224,7 @@ int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv) if (!orig_node) orig_node = transtable_search(bat_priv, ethhdr->h_dest); - router = find_router(orig_node, NULL); + router = find_router(bat_priv, orig_node, NULL); if (!router) goto unlock; diff --git a/drivers/staging/bcm/Bcmchar.c b/drivers/staging/bcm/Bcmchar.c index 77fdfe24d99..fead9c56162 100644 --- a/drivers/staging/bcm/Bcmchar.c +++ b/drivers/staging/bcm/Bcmchar.c @@ -1001,13 +1001,15 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg) } #endif case IOCTL_BE_BUCKET_SIZE: - Adapter->BEBucketSize = *(PULONG)arg; - Status = STATUS_SUCCESS; + Status = 0; + if (get_user(Adapter->BEBucketSize, (unsigned long __user *)arg)) + Status = -EFAULT; break; case IOCTL_RTPS_BUCKET_SIZE: - Adapter->rtPSBucketSize = *(PULONG)arg; - Status = STATUS_SUCCESS; + Status = 0; + if (get_user(Adapter->rtPSBucketSize, (unsigned long __user *)arg)) + Status = -EFAULT; break; case IOCTL_CHIP_RESET: { @@ -1028,11 +1030,15 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg) case IOCTL_QOS_THRESHOLD: { USHORT uiLoopIndex; - for(uiLoopIndex = 0 ; uiLoopIndex < NO_OF_QUEUES ; uiLoopIndex++) - { - Adapter->PackInfo[uiLoopIndex].uiThreshold = *(PULONG)arg; + + Status = 0; + for (uiLoopIndex = 0; uiLoopIndex < NO_OF_QUEUES; uiLoopIndex++) { + if (get_user(Adapter->PackInfo[uiLoopIndex].uiThreshold, + (unsigned long __user *)arg)) { + Status = -EFAULT; + break; + } } - Status = STATUS_SUCCESS; break; } @@ -1093,7 +1099,8 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg) } case IOCTL_BCM_GET_CURRENT_STATUS: { - LINK_STATE *plink_state = NULL; + LINK_STATE plink_state; + /* Copy Ioctl Buffer structure */ if(copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) { @@ -1101,13 +1108,19 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg) Status = -EFAULT; break; } - plink_state = (LINK_STATE*)arg; - plink_state->bIdleMode = (UCHAR)Adapter->IdleMode; - plink_state->bShutdownMode = Adapter->bShutStatus; - plink_state->ucLinkStatus = (UCHAR)Adapter->LinkStatus; - if(copy_to_user(IoBuffer.OutputBuffer, - (PUCHAR)plink_state, (UINT)IoBuffer.OutputLength)) - { + if (IoBuffer.OutputLength != sizeof(plink_state)) { + Status = -EINVAL; + break; + } + + if (copy_from_user(&plink_state, (void __user *)arg, sizeof(plink_state))) { + Status = -EFAULT; + break; + } + plink_state.bIdleMode = (UCHAR)Adapter->IdleMode; + plink_state.bShutdownMode = Adapter->bShutStatus; + plink_state.ucLinkStatus = (UCHAR)Adapter->LinkStatus; + if (copy_to_user(IoBuffer.OutputBuffer, &plink_state, IoBuffer.OutputLength)) { BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "Copy_to_user Failed..\n"); Status = -EFAULT; break; @@ -1331,7 +1344,9 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg) BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0,"Copy From User space failed. status :%d", Status); return -EFAULT; } - uiSectorSize = *((PUINT)(IoBuffer.InputBuffer)); /* FIXME: unchecked __user access */ + if (get_user(uiSectorSize, (unsigned int __user *)IoBuffer.InputBuffer)) + return -EFAULT; + if((uiSectorSize < MIN_SECTOR_SIZE) || (uiSectorSize > MAX_SECTOR_SIZE)) { diff --git a/drivers/staging/brcm80211/README b/drivers/staging/brcm80211/README index c3ba9bb9b11..c8f1cf1b440 100644 --- a/drivers/staging/brcm80211/README +++ b/drivers/staging/brcm80211/README @@ -90,5 +90,5 @@ Contact Info: ============= Brett Rudley brudley@broadcom.com Henry Ptasinski henryp@broadcom.com -Nohee Ko noheek@broadcom.com +Dowan Kim dowan@broadcom.com diff --git a/drivers/staging/brcm80211/TODO b/drivers/staging/brcm80211/TODO index 8803d300b53..dbf90418489 100644 --- a/drivers/staging/brcm80211/TODO +++ b/drivers/staging/brcm80211/TODO @@ -45,5 +45,5 @@ Contact ===== Brett Rudley <brudley@broadcom.com> Henry Ptasinski <henryp@broadcom.com> -Nohee Ko <noheek@broadcom.com> +Dowan Kim <dowan@broadcom.com> diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c index bbbe7c5f749..9335f02029a 100644 --- a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c @@ -2222,8 +2222,6 @@ int dhd_net_attach(dhd_pub_t *dhdp, int ifidx) ASSERT(net); ASSERT(!net->netdev_ops); - net->netdev_ops = &dhd_ops_virt; - net->netdev_ops = &dhd_ops_pri; /* diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c index 3f29488d9c7..ea0825238d5 100644 --- a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c @@ -95,12 +95,12 @@ static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx); static s32 wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_idx, const u8 *mac_addr, + u8 key_idx, bool pairwise, const u8 *mac_addr, struct key_params *params); static s32 wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_idx, const u8 *mac_addr); + u8 key_idx, bool pairwise, const u8 *mac_addr); static s32 wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_idx, const u8 *mac_addr, + u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, void (*callback) (void *cookie, struct key_params * @@ -1615,7 +1615,7 @@ wl_add_keyext(struct wiphy *wiphy, struct net_device *dev, static s32 wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_idx, const u8 *mac_addr, + u8 key_idx, bool pairwise, const u8 *mac_addr, struct key_params *params) { struct wl_wsec_key key; @@ -1700,7 +1700,7 @@ wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, static s32 wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_idx, const u8 *mac_addr) + u8 key_idx, bool pairwise, const u8 *mac_addr) { struct wl_wsec_key key; s32 err = 0; @@ -1756,7 +1756,7 @@ wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, static s32 wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_idx, const u8 *mac_addr, void *cookie, + u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, void (*callback) (void *cookie, struct key_params * params)) { struct key_params params; diff --git a/drivers/staging/cpia/cpia.c b/drivers/staging/cpia/cpia.c index 933ae4c8cb9..0e740b8dafc 100644 --- a/drivers/staging/cpia/cpia.c +++ b/drivers/staging/cpia/cpia.c @@ -3184,13 +3184,9 @@ static int cpia_open(struct file *file) goto oops; } - err = -EINTR; - if(signal_pending(current)) - goto oops; - /* Set ownership of /proc/cpia/videoX to current user */ if(cam->proc_entry) - cam->proc_entry->uid = current_uid(); + cam->proc_entry->uid = current_euid(); /* set mark for loading first frame uncompressed */ cam->first_frame = 1; diff --git a/drivers/staging/easycap/easycap.h b/drivers/staging/easycap/easycap.h index f3c827eb0ab..25961c23dc0 100644 --- a/drivers/staging/easycap/easycap.h +++ b/drivers/staging/easycap/easycap.h @@ -77,7 +77,6 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/kref.h> -#include <linux/smp_lock.h> #include <linux/usb.h> #include <linux/uaccess.h> diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c b/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c index 87a6487531c..20d509836d9 100644 --- a/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c +++ b/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c @@ -286,7 +286,6 @@ int ft1000_CreateDevice(struct ft1000_device *dev) pid = kernel_thread (exec_mknod, (void *)info, 0); // initialize application information - info->appcnt = 0; // if (ft1000_flarion_cnt == 0) { // diff --git a/drivers/staging/hv/hv_utils.c b/drivers/staging/hv/hv_utils.c index 702a478d554..a99e900ec4c 100644 --- a/drivers/staging/hv/hv_utils.c +++ b/drivers/staging/hv/hv_utils.c @@ -212,9 +212,6 @@ static void heartbeat_onchannelcallback(void *context) recvlen, requestid); icmsghdrp = (struct icmsg_hdr *)&buf[ - sizeof(struct vmbuspipe_hdr)]; - - icmsghdrp = (struct icmsg_hdr *)&buf[ sizeof(struct vmbuspipe_hdr)]; if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) { diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c index 41d9acf4cd6..6f8d67d0d64 100644 --- a/drivers/staging/hv/storvsc_drv.c +++ b/drivers/staging/hv/storvsc_drv.c @@ -72,8 +72,7 @@ struct storvsc_driver_context { /* Static decl */ static int storvsc_probe(struct device *dev); -static int storvsc_queuecommand(struct scsi_cmnd *scmnd, - void (*done)(struct scsi_cmnd *)); +static int storvsc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd); static int storvsc_device_alloc(struct scsi_device *); static int storvsc_device_configure(struct scsi_device *); static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd); @@ -595,7 +594,7 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl, /* * storvsc_queuecommand - Initiate command processing */ -static int storvsc_queuecommand(struct scsi_cmnd *scmnd, +static int storvsc_queuecommand_lck(struct scsi_cmnd *scmnd, void (*done)(struct scsi_cmnd *)) { int ret; @@ -783,6 +782,8 @@ retry_request: return ret; } +static DEF_SCSI_QCMD(storvsc_queuecommand) + static int storvsc_merge_bvec(struct request_queue *q, struct bvec_merge_data *bmd, struct bio_vec *bvec) { diff --git a/drivers/staging/intel_sst/intel_sst_app_interface.c b/drivers/staging/intel_sst/intel_sst_app_interface.c index 463e5cba830..991440015e9 100644 --- a/drivers/staging/intel_sst/intel_sst_app_interface.c +++ b/drivers/staging/intel_sst/intel_sst_app_interface.c @@ -34,7 +34,6 @@ #include <linux/uaccess.h> #include <linux/firmware.h> #include <linux/ioctl.h> -#include <linux/smp_lock.h> #ifdef CONFIG_MRST_RAR_HANDLER #include <linux/rar_register.h> #include "../../../drivers/staging/memrar/memrar.h" @@ -244,12 +243,12 @@ static int intel_sst_mmap_play_capture(u32 str_id, int retval, i; struct stream_info *stream; struct snd_sst_mmap_buff_entry *buf_entry; + struct snd_sst_mmap_buff_entry *tmp_buf; pr_debug("sst:called for str_id %d\n", str_id); retval = sst_validate_strid(str_id); if (retval) return -EINVAL; - BUG_ON(!mmap_buf); stream = &sst_drv_ctx->streams[str_id]; if (stream->mmapped != true) @@ -262,14 +261,24 @@ static int intel_sst_mmap_play_capture(u32 str_id, stream->curr_bytes = 0; stream->cumm_bytes = 0; + tmp_buf = kcalloc(mmap_buf->entries, sizeof(*tmp_buf), GFP_KERNEL); + if (!tmp_buf) + return -ENOMEM; + if (copy_from_user(tmp_buf, (void __user *)mmap_buf->buff, + mmap_buf->entries * sizeof(*tmp_buf))) { + retval = -EFAULT; + goto out_free; + } + pr_debug("sst:new buffers count %d status %d\n", mmap_buf->entries, stream->status); - buf_entry = mmap_buf->buff; + buf_entry = tmp_buf; for (i = 0; i < mmap_buf->entries; i++) { - BUG_ON(!buf_entry); bufs = kzalloc(sizeof(*bufs), GFP_KERNEL); - if (!bufs) - return -ENOMEM; + if (!bufs) { + retval = -ENOMEM; + goto out_free; + } bufs->size = buf_entry->size; bufs->offset = buf_entry->offset; bufs->addr = sst_drv_ctx->mmap_mem; @@ -293,13 +302,15 @@ static int intel_sst_mmap_play_capture(u32 str_id, if (sst_play_frame(str_id) < 0) { pr_warn("sst: play frames fail\n"); mutex_unlock(&stream->lock); - return -EIO; + retval = -EIO; + goto out_free; } } else if (stream->ops == STREAM_OPS_CAPTURE) { if (sst_capture_frame(str_id) < 0) { pr_warn("sst: capture frame fail\n"); mutex_unlock(&stream->lock); - return -EIO; + retval = -EIO; + goto out_free; } } } @@ -314,6 +325,9 @@ static int intel_sst_mmap_play_capture(u32 str_id, if (retval >= 0) retval = stream->cumm_bytes; pr_debug("sst:end of play/rec ioctl bytes = %d!!\n", retval); + +out_free: + kfree(tmp_buf); return retval; } @@ -377,7 +391,7 @@ static int snd_sst_fill_kernel_list(struct stream_info *stream, { struct sst_stream_bufs *stream_bufs; unsigned long index, mmap_len; - unsigned char *bufp; + unsigned char __user *bufp; unsigned long size, copied_size; int retval = 0, add_to_list = 0; static int sent_offset; @@ -512,9 +526,7 @@ static int snd_sst_copy_userbuf_capture(struct stream_info *stream, /* copy to user */ list_for_each_entry_safe(entry, _entry, copy_to_list, node) { - if (copy_to_user((void *) - iovec[entry->iov_index].iov_base + - entry->iov_offset, + if (copy_to_user(iovec[entry->iov_index].iov_base + entry->iov_offset, kbufs->addr + entry->offset, entry->size)) { /* Clean up the list and return error */ @@ -590,7 +602,7 @@ static int intel_sst_read_write(unsigned int str_id, char __user *buf, buf, (int) count, (int) stream->status); stream->buf_type = SST_BUF_USER_STATIC; - iovec.iov_base = (void *)buf; + iovec.iov_base = buf; iovec.iov_len = count; nr_segs = 1; @@ -838,7 +850,7 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) break; case _IOC_NR(SNDRV_SST_STREAM_SET_PARAMS): { - struct snd_sst_params *str_param = (struct snd_sst_params *)arg; + struct snd_sst_params str_param; pr_debug("sst: IOCTL_SET_PARAMS recieved!\n"); if (minor != STREAM_MODULE) { @@ -846,17 +858,25 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) break; } + if (copy_from_user(&str_param, (void __user *)arg, + sizeof(str_param))) { + retval = -EFAULT; + break; + } + if (!str_id) { - retval = sst_get_stream(str_param); + retval = sst_get_stream(&str_param); if (retval > 0) { struct stream_info *str_info; + char __user *dest; + sst_drv_ctx->stream_cnt++; data->str_id = retval; str_info = &sst_drv_ctx->streams[retval]; str_info->src = SST_DRV; - retval = copy_to_user(&str_param->stream_id, - &retval, sizeof(__u32)); + dest = (char __user *)arg + offsetof(struct snd_sst_params, stream_id); + retval = copy_to_user(dest, &retval, sizeof(__u32)); if (retval) retval = -EFAULT; } else { @@ -866,16 +886,14 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) } else { pr_debug("sst: SET_STREAM_PARAMS recieved!\n"); /* allocated set params only */ - retval = sst_set_stream_param(str_id, str_param); + retval = sst_set_stream_param(str_id, &str_param); /* Block the call for reply */ if (!retval) { int sfreq = 0, word_size = 0, num_channel = 0; - sfreq = str_param->sparams.uc.pcm_params.sfreq; - word_size = str_param->sparams. - uc.pcm_params.pcm_wd_sz; - num_channel = str_param-> - sparams.uc.pcm_params.num_chan; - if (str_param->ops == STREAM_OPS_CAPTURE) { + sfreq = str_param.sparams.uc.pcm_params.sfreq; + word_size = str_param.sparams.uc.pcm_params.pcm_wd_sz; + num_channel = str_param.sparams.uc.pcm_params.num_chan; + if (str_param.ops == STREAM_OPS_CAPTURE) { sst_drv_ctx->scard_ops->\ set_pcm_audio_params(sfreq, word_size, num_channel); @@ -885,41 +903,39 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) break; } case _IOC_NR(SNDRV_SST_SET_VOL): { - struct snd_sst_vol *set_vol; - struct snd_sst_vol *rec_vol = (struct snd_sst_vol *)arg; + struct snd_sst_vol set_vol; + + if (copy_from_user(&set_vol, (void __user *)arg, + sizeof(set_vol))) { + pr_debug("sst: copy failed\n"); + retval = -EFAULT; + break; + } pr_debug("sst: SET_VOLUME recieved for %d!\n", - rec_vol->stream_id); - if (minor == STREAM_MODULE && rec_vol->stream_id == 0) { + set_vol.stream_id); + if (minor == STREAM_MODULE && set_vol.stream_id == 0) { pr_debug("sst: invalid operation!\n"); retval = -EPERM; break; } - set_vol = kzalloc(sizeof(*set_vol), GFP_ATOMIC); - if (!set_vol) { - pr_debug("sst: mem allocation failed\n"); - retval = -ENOMEM; - break; - } - if (copy_from_user(set_vol, rec_vol, sizeof(*set_vol))) { - pr_debug("sst: copy failed\n"); - retval = -EFAULT; - break; - } - retval = sst_set_vol(set_vol); - kfree(set_vol); + retval = sst_set_vol(&set_vol); break; } case _IOC_NR(SNDRV_SST_GET_VOL): { - struct snd_sst_vol *rec_vol = (struct snd_sst_vol *)arg; struct snd_sst_vol get_vol; + + if (copy_from_user(&get_vol, (void __user *)arg, + sizeof(get_vol))) { + retval = -EFAULT; + break; + } pr_debug("sst: IOCTL_GET_VOLUME recieved for stream = %d!\n", - rec_vol->stream_id); - if (minor == STREAM_MODULE && rec_vol->stream_id == 0) { + get_vol.stream_id); + if (minor == STREAM_MODULE && get_vol.stream_id == 0) { pr_debug("sst: invalid operation!\n"); retval = -EPERM; break; } - get_vol.stream_id = rec_vol->stream_id; retval = sst_get_vol(&get_vol); if (retval) { retval = -EIO; @@ -928,7 +944,7 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) pr_debug("sst: id:%d\n, vol:%d, ramp_dur:%d, ramp_type:%d\n", get_vol.stream_id, get_vol.volume, get_vol.ramp_duration, get_vol.ramp_type); - if (copy_to_user((struct snd_sst_vol *)arg, + if (copy_to_user((struct snd_sst_vol __user *)arg, &get_vol, sizeof(get_vol))) { retval = -EFAULT; break; @@ -938,25 +954,20 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) } case _IOC_NR(SNDRV_SST_MUTE): { - struct snd_sst_mute *set_mute; - struct snd_sst_vol *rec_mute = (struct snd_sst_vol *)arg; - pr_debug("sst: SNDRV_SST_SET_VOLUME recieved for %d!\n", - rec_mute->stream_id); - if (minor == STREAM_MODULE && rec_mute->stream_id == 0) { - retval = -EPERM; - break; - } - set_mute = kzalloc(sizeof(*set_mute), GFP_ATOMIC); - if (!set_mute) { - retval = -ENOMEM; + struct snd_sst_mute set_mute; + + if (copy_from_user(&set_mute, (void __user *)arg, + sizeof(set_mute))) { + retval = -EFAULT; break; } - if (copy_from_user(set_mute, rec_mute, sizeof(*set_mute))) { - retval = -EFAULT; + pr_debug("sst: SNDRV_SST_SET_VOLUME recieved for %d!\n", + set_mute.stream_id); + if (minor == STREAM_MODULE && set_mute.stream_id == 0) { + retval = -EPERM; break; } - retval = sst_set_mute(set_mute); - kfree(set_mute); + retval = sst_set_mute(&set_mute); break; } case _IOC_NR(SNDRV_SST_STREAM_GET_PARAMS): { @@ -973,7 +984,7 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) retval = -EIO; break; } - if (copy_to_user((struct snd_sst_get_stream_params *)arg, + if (copy_to_user((struct snd_sst_get_stream_params __user *)arg, &get_params, sizeof(get_params))) { retval = -EFAULT; break; @@ -983,16 +994,22 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) } case _IOC_NR(SNDRV_SST_MMAP_PLAY): - case _IOC_NR(SNDRV_SST_MMAP_CAPTURE): + case _IOC_NR(SNDRV_SST_MMAP_CAPTURE): { + struct snd_sst_mmap_buffs mmap_buf; + pr_debug("sst: SNDRV_SST_MMAP_PLAY/CAPTURE recieved!\n"); if (minor != STREAM_MODULE) { retval = -EBADRQC; break; } - retval = intel_sst_mmap_play_capture(str_id, - (struct snd_sst_mmap_buffs *)arg); + if (copy_from_user(&mmap_buf, (void __user *)arg, + sizeof(mmap_buf))) { + retval = -EFAULT; + break; + } + retval = intel_sst_mmap_play_capture(str_id, &mmap_buf); break; - + } case _IOC_NR(SNDRV_SST_STREAM_DROP): pr_debug("sst: SNDRV_SST_IOCTL_DROP recieved!\n"); if (minor != STREAM_MODULE) { @@ -1003,7 +1020,6 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) break; case _IOC_NR(SNDRV_SST_STREAM_GET_TSTAMP): { - unsigned long long *ms = (unsigned long long *)arg; struct snd_sst_tstamp tstamp = {0}; unsigned long long time, freq, mod; @@ -1013,14 +1029,14 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) break; } memcpy_fromio(&tstamp, - ((void *)(sst_drv_ctx->mailbox + SST_TIME_STAMP) - +(str_id * sizeof(tstamp))), + sst_drv_ctx->mailbox + SST_TIME_STAMP + str_id * sizeof(tstamp), sizeof(tstamp)); time = tstamp.samples_rendered; freq = (unsigned long long) tstamp.sampling_frequency; time = time * 1000; /* converting it to ms */ mod = do_div(time, freq); - if (copy_to_user(ms, &time, sizeof(*ms))) + if (copy_to_user((void __user *)arg, &time, + sizeof(unsigned long long))) retval = -EFAULT; break; } @@ -1065,92 +1081,118 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) } case _IOC_NR(SNDRV_SST_SET_TARGET_DEVICE): { - struct snd_sst_target_device *target_device; + struct snd_sst_target_device target_device; pr_debug("sst: SET_TARGET_DEVICE recieved!\n"); - target_device = (struct snd_sst_target_device *)arg; - BUG_ON(!target_device); + if (copy_from_user(&target_device, (void __user *)arg, + sizeof(target_device))) { + retval = -EFAULT; + break; + } if (minor != AM_MODULE) { retval = -EBADRQC; break; } - retval = sst_target_device_select(target_device); + retval = sst_target_device_select(&target_device); break; } case _IOC_NR(SNDRV_SST_DRIVER_INFO): { - struct snd_sst_driver_info *info = - (struct snd_sst_driver_info *)arg; + struct snd_sst_driver_info info; pr_debug("sst: SNDRV_SST_DRIVER_INFO recived\n"); - info->version = SST_VERSION_NUM; + info.version = SST_VERSION_NUM; /* hard coding, shud get sumhow later */ - info->active_pcm_streams = sst_drv_ctx->stream_cnt - + info.active_pcm_streams = sst_drv_ctx->stream_cnt - sst_drv_ctx->encoded_cnt; - info->active_enc_streams = sst_drv_ctx->encoded_cnt; - info->max_pcm_streams = MAX_ACTIVE_STREAM - MAX_ENC_STREAM; - info->max_enc_streams = MAX_ENC_STREAM; - info->buf_per_stream = sst_drv_ctx->mmap_len; + info.active_enc_streams = sst_drv_ctx->encoded_cnt; + info.max_pcm_streams = MAX_ACTIVE_STREAM - MAX_ENC_STREAM; + info.max_enc_streams = MAX_ENC_STREAM; + info.buf_per_stream = sst_drv_ctx->mmap_len; + if (copy_to_user((void __user *)arg, &info, + sizeof(info))) + retval = -EFAULT; break; } case _IOC_NR(SNDRV_SST_STREAM_DECODE): { - struct snd_sst_dbufs *param = - (struct snd_sst_dbufs *)arg, dbufs_local; - int i; + struct snd_sst_dbufs param; + struct snd_sst_dbufs dbufs_local; struct snd_sst_buffs ibufs, obufs; - struct snd_sst_buff_entry ibuf_temp[param->ibufs->entries], - obuf_temp[param->obufs->entries]; + struct snd_sst_buff_entry *ibuf_tmp, *obuf_tmp; + char __user *dest; pr_debug("sst: SNDRV_SST_STREAM_DECODE recived\n"); if (minor != STREAM_MODULE) { retval = -EBADRQC; break; } - if (!param) { - retval = -EINVAL; + if (copy_from_user(¶m, (void __user *)arg, + sizeof(param))) { + retval = -EFAULT; break; } - dbufs_local.input_bytes_consumed = param->input_bytes_consumed; + dbufs_local.input_bytes_consumed = param.input_bytes_consumed; dbufs_local.output_bytes_produced = - param->output_bytes_produced; - dbufs_local.ibufs = &ibufs; - dbufs_local.obufs = &obufs; - dbufs_local.ibufs->entries = param->ibufs->entries; - dbufs_local.ibufs->type = param->ibufs->type; - dbufs_local.obufs->entries = param->obufs->entries; - dbufs_local.obufs->type = param->obufs->type; - - dbufs_local.ibufs->buff_entry = ibuf_temp; - for (i = 0; i < dbufs_local.ibufs->entries; i++) { - ibuf_temp[i].buffer = - param->ibufs->buff_entry[i].buffer; - ibuf_temp[i].size = - param->ibufs->buff_entry[i].size; + param.output_bytes_produced; + + if (copy_from_user(&ibufs, (void __user *)param.ibufs, sizeof(ibufs))) { + retval = -EFAULT; + break; + } + if (copy_from_user(&obufs, (void __user *)param.obufs, sizeof(obufs))) { + retval = -EFAULT; + break; } - dbufs_local.obufs->buff_entry = obuf_temp; - for (i = 0; i < dbufs_local.obufs->entries; i++) { - obuf_temp[i].buffer = - param->obufs->buff_entry[i].buffer; - obuf_temp[i].size = - param->obufs->buff_entry[i].size; + + ibuf_tmp = kcalloc(ibufs.entries, sizeof(*ibuf_tmp), GFP_KERNEL); + obuf_tmp = kcalloc(obufs.entries, sizeof(*obuf_tmp), GFP_KERNEL); + if (!ibuf_tmp || !obuf_tmp) { + retval = -ENOMEM; + goto free_iobufs; + } + + if (copy_from_user(ibuf_tmp, (void __user *)ibufs.buff_entry, + ibufs.entries * sizeof(*ibuf_tmp))) { + retval = -EFAULT; + goto free_iobufs; } + ibufs.buff_entry = ibuf_tmp; + dbufs_local.ibufs = &ibufs; + + if (copy_from_user(obuf_tmp, (void __user *)obufs.buff_entry, + obufs.entries * sizeof(*obuf_tmp))) { + retval = -EFAULT; + goto free_iobufs; + } + obufs.buff_entry = obuf_tmp; + dbufs_local.obufs = &obufs; + retval = sst_decode(str_id, &dbufs_local); - if (retval) - retval = -EAGAIN; - if (copy_to_user(¶m->input_bytes_consumed, + if (retval) { + retval = -EAGAIN; + goto free_iobufs; + } + + dest = (char __user *)arg + offsetof(struct snd_sst_dbufs, input_bytes_consumed); + if (copy_to_user(dest, &dbufs_local.input_bytes_consumed, sizeof(unsigned long long))) { - retval = -EFAULT; - break; + retval = -EFAULT; + goto free_iobufs; } - if (copy_to_user(¶m->output_bytes_produced, + + dest = (char __user *)arg + offsetof(struct snd_sst_dbufs, input_bytes_consumed); + if (copy_to_user(dest, &dbufs_local.output_bytes_produced, sizeof(unsigned long long))) { - retval = -EFAULT; - break; + retval = -EFAULT; + goto free_iobufs; } +free_iobufs: + kfree(ibuf_tmp); + kfree(obuf_tmp); break; } @@ -1164,7 +1206,7 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) break; case _IOC_NR(SNDRV_SST_STREAM_BYTES_DECODED): { - unsigned long long *bytes = (unsigned long long *)arg; + unsigned long long __user *bytes = (unsigned long long __user *)arg; struct snd_sst_tstamp tstamp = {0}; pr_debug("sst: STREAM_BYTES_DECODED recieved!\n"); @@ -1173,8 +1215,7 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) break; } memcpy_fromio(&tstamp, - ((void *)(sst_drv_ctx->mailbox + SST_TIME_STAMP) - +(str_id * sizeof(tstamp))), + sst_drv_ctx->mailbox + SST_TIME_STAMP + str_id * sizeof(tstamp), sizeof(tstamp)); if (copy_to_user(bytes, &tstamp.bytes_processed, sizeof(*bytes))) @@ -1197,7 +1238,7 @@ long intel_sst_ioctl(struct file *file_ptr, unsigned int cmd, unsigned long arg) kfree(fw_info); break; } - if (copy_to_user((struct snd_sst_dbufs *)arg, + if (copy_to_user((struct snd_sst_dbufs __user *)arg, fw_info, sizeof(*fw_info))) { kfree(fw_info); retval = -EFAULT; diff --git a/drivers/staging/intel_sst/intel_sst_common.h b/drivers/staging/intel_sst/intel_sst_common.h index 73a98c851e4..bf0ead78bfa 100644 --- a/drivers/staging/intel_sst/intel_sst_common.h +++ b/drivers/staging/intel_sst/intel_sst_common.h @@ -231,8 +231,8 @@ struct stream_info { spinlock_t pcm_lock; bool mmapped; unsigned int sg_index; /* current buf Index */ - unsigned char *cur_ptr; /* Current static bufs */ - struct snd_sst_buf_entry *buf_entry; + unsigned char __user *cur_ptr; /* Current static bufs */ + struct snd_sst_buf_entry __user *buf_entry; struct sst_block data_blk; /* stream ops block */ struct sst_block ctrl_blk; /* stream control cmd block */ enum snd_sst_buf_type buf_type; diff --git a/drivers/staging/keucr/init.c b/drivers/staging/keucr/init.c index 1934805844f..978bf87ff13 100644 --- a/drivers/staging/keucr/init.c +++ b/drivers/staging/keucr/init.c @@ -22,7 +22,7 @@ int ENE_InitMedia(struct us_data *us) int result; BYTE MiscReg03 = 0; - printk("--- Initial Nedia ---\n"); + printk("--- Init Media ---\n"); result = ENE_Read_BYTE(us, REG_CARD_STATUS, &MiscReg03); if (result != USB_STOR_XFER_GOOD) { @@ -64,7 +64,7 @@ int ENE_Read_BYTE(struct us_data *us, WORD index, void *buf) struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; int result; - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x01; bcb->Flags = 0x80; @@ -92,7 +92,7 @@ int ENE_SDInit(struct us_data *us) return USB_STOR_TRANSPORT_ERROR; } - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->Flags = 0x80; bcb->CDB[0] = 0xF2; @@ -112,7 +112,7 @@ int ENE_SDInit(struct us_data *us) return USB_STOR_TRANSPORT_ERROR; } - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; bcb->Flags = 0x80; @@ -161,7 +161,7 @@ int ENE_MSInit(struct us_data *us) return USB_STOR_TRANSPORT_ERROR; } - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; bcb->Flags = 0x80; @@ -219,7 +219,7 @@ int ENE_SMInit(struct us_data *us) return USB_STOR_TRANSPORT_ERROR; } - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; bcb->Flags = 0x80; @@ -341,7 +341,7 @@ int ENE_LoadBinCode(struct us_data *us, BYTE flag) break; } - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x800; bcb->Flags =0x00; @@ -433,7 +433,7 @@ int ENE_Read_Data(struct us_data *us, void *buf, unsigned int length) //printk("transport --- ENE_Read_Data\n"); // set up the command wrapper - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = length; bcb->Flags =0x80; @@ -470,7 +470,7 @@ int ENE_Write_Data(struct us_data *us, void *buf, unsigned int length) //printk("transport --- ENE_Write_Data\n"); // set up the command wrapper - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = length; bcb->Flags =0x00; diff --git a/drivers/staging/keucr/ms.c b/drivers/staging/keucr/ms.c index d4340a9da87..9a3fdb4e4fe 100644 --- a/drivers/staging/keucr/ms.c +++ b/drivers/staging/keucr/ms.c @@ -15,7 +15,7 @@ int MS_ReaderCopyBlock(struct us_data *us, WORD oldphy, WORD newphy, WORD PhyBlo if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200*len; bcb->Flags = 0x00; @@ -53,7 +53,7 @@ int MS_ReaderReadPage(struct us_data *us, DWORD PhyBlockAddr, BYTE PageNum, PDWO return USB_STOR_TRANSPORT_ERROR; // Read Page Data - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; bcb->Flags = 0x80; @@ -69,7 +69,7 @@ int MS_ReaderReadPage(struct us_data *us, DWORD PhyBlockAddr, BYTE PageNum, PDWO return USB_STOR_TRANSPORT_ERROR; // Read Extra Data - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x4; bcb->Flags = 0x80; @@ -108,7 +108,7 @@ int MS_ReaderEraseBlock(struct us_data *us, DWORD PhyBlockAddr) if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; bcb->Flags = 0x80; @@ -673,7 +673,7 @@ int MS_LibReadExtraBlock(struct us_data *us, DWORD PhyBlock, BYTE PageNum, BYTE //printk("MS_LibReadExtraBlock --- PhyBlock = %x, PageNum = %x, blen = %x\n", PhyBlock, PageNum, blen); // Read Extra Data - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x4 * blen; bcb->Flags = 0x80; @@ -700,7 +700,7 @@ int MS_LibReadExtra(struct us_data *us, DWORD PhyBlock, BYTE PageNum, MS_LibType BYTE ExtBuf[4]; //printk("MS_LibReadExtra --- PhyBlock = %x, PageNum = %x\n", PhyBlock, PageNum); - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x4; bcb->Flags = 0x80; @@ -807,7 +807,7 @@ int MS_LibOverwriteExtra(struct us_data *us, DWORD PhyBlockAddr, BYTE PageNum, B if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x4; bcb->Flags = 0x80; diff --git a/drivers/staging/keucr/msscsi.c b/drivers/staging/keucr/msscsi.c index ad0c5c62993..cb92d25acee 100644 --- a/drivers/staging/keucr/msscsi.c +++ b/drivers/staging/keucr/msscsi.c @@ -145,7 +145,7 @@ int MS_SCSI_Read(struct us_data *us, struct scsi_cmnd *srb) } // set up the command wrapper - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = blenByte; bcb->Flags = 0x80; @@ -193,7 +193,7 @@ int MS_SCSI_Read(struct us_data *us, struct scsi_cmnd *srb) blkno = phyblk * 0x20 + PageNum; // set up the command wrapper - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200 * len; bcb->Flags = 0x80; @@ -250,7 +250,7 @@ int MS_SCSI_Write(struct us_data *us, struct scsi_cmnd *srb) } // set up the command wrapper - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = blenByte; bcb->Flags = 0x00; diff --git a/drivers/staging/keucr/scsiglue.c b/drivers/staging/keucr/scsiglue.c index a2671404f7a..da4f42af383 100644 --- a/drivers/staging/keucr/scsiglue.c +++ b/drivers/staging/keucr/scsiglue.c @@ -87,7 +87,7 @@ static int slave_configure(struct scsi_device *sdev) /* This is always called with scsi_lock(host) held */ //----- queuecommand() --------------------- -static int queuecommand(struct scsi_cmnd *srb, void (*done)(struct scsi_cmnd *)) +static int queuecommand_lck(struct scsi_cmnd *srb, void (*done)(struct scsi_cmnd *)) { struct us_data *us = host_to_us(srb->device->host); @@ -117,6 +117,8 @@ static int queuecommand(struct scsi_cmnd *srb, void (*done)(struct scsi_cmnd *)) return 0; } +static DEF_SCSI_QCMD(queuecommand) + /*********************************************************************** * Error handling functions ***********************************************************************/ diff --git a/drivers/staging/keucr/sdscsi.c b/drivers/staging/keucr/sdscsi.c index 6c332f850eb..d646507a361 100644 --- a/drivers/staging/keucr/sdscsi.c +++ b/drivers/staging/keucr/sdscsi.c @@ -152,7 +152,7 @@ int SD_SCSI_Read(struct us_data *us, struct scsi_cmnd *srb) bnByte = bn; // set up the command wrapper - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = blenByte; bcb->Flags = 0x80; @@ -192,7 +192,7 @@ int SD_SCSI_Write(struct us_data *us, struct scsi_cmnd *srb) bnByte = bn; // set up the command wrapper - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = blenByte; bcb->Flags = 0x00; diff --git a/drivers/staging/keucr/smilsub.c b/drivers/staging/keucr/smilsub.c index 844b6598863..1b52535a388 100644 --- a/drivers/staging/keucr/smilsub.c +++ b/drivers/staging/keucr/smilsub.c @@ -266,7 +266,7 @@ int Ssfdc_D_ReadSect(struct us_data *us, BYTE *buf,BYTE *redundant) addr = addr*(WORD)Ssfdc.MaxSectors+Media.Sector; // Read sect data - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; bcb->Flags = 0x80; @@ -281,7 +281,7 @@ int Ssfdc_D_ReadSect(struct us_data *us, BYTE *buf,BYTE *redundant) return USB_STOR_TRANSPORT_ERROR; // Read redundant - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x10; bcb->Flags = 0x80; @@ -319,7 +319,7 @@ int Ssfdc_D_ReadBlock(struct us_data *us, WORD count, BYTE *buf,BYTE *redundant) addr = addr*(WORD)Ssfdc.MaxSectors+Media.Sector; // Read sect data - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200*count; bcb->Flags = 0x80; @@ -334,7 +334,7 @@ int Ssfdc_D_ReadBlock(struct us_data *us, WORD count, BYTE *buf,BYTE *redundant) return USB_STOR_TRANSPORT_ERROR; // Read redundant - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x10; bcb->Flags = 0x80; @@ -536,7 +536,7 @@ int Ssfdc_D_CopyBlock(struct us_data *us, WORD count, BYTE *buf,BYTE *redundant) WriteAddr = WriteAddr*(WORD)Ssfdc.MaxSectors; // Write sect data - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200*count; bcb->Flags = 0x00; @@ -754,7 +754,7 @@ int Ssfdc_D_WriteSectForCopy(struct us_data *us, BYTE *buf, BYTE *redundant) addr = addr*(WORD)Ssfdc.MaxSectors+Media.Sector; // Write sect data - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; bcb->Flags = 0x00; @@ -791,7 +791,7 @@ int Ssfdc_D_EraseBlock(struct us_data *us) addr=(WORD)Media.Zone*Ssfdc.MaxBlocks+Media.PhyBlock; addr=addr*(WORD)Ssfdc.MaxSectors; - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x200; bcb->Flags = 0x80; @@ -827,7 +827,7 @@ int Ssfdc_D_ReadRedtData(struct us_data *us, BYTE *redundant) addr = (WORD)Media.Zone*Ssfdc.MaxBlocks+Media.PhyBlock; addr = addr*(WORD)Ssfdc.MaxSectors+Media.Sector; - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x10; bcb->Flags = 0x80; @@ -870,7 +870,7 @@ int Ssfdc_D_WriteRedtData(struct us_data *us, BYTE *redundant) addr = (WORD)Media.Zone*Ssfdc.MaxBlocks+Media.PhyBlock; addr = addr*(WORD)Ssfdc.MaxSectors+Media.Sector; - memset(bcb, 0, sizeof(bcb)); + memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); bcb->DataTransferLength = 0x10; bcb->Flags = 0x80; diff --git a/drivers/staging/keucr/transport.c b/drivers/staging/keucr/transport.c index fd98df643ab..111160cce44 100644 --- a/drivers/staging/keucr/transport.c +++ b/drivers/staging/keucr/transport.c @@ -40,7 +40,7 @@ static int usb_stor_msg_common(struct us_data *us, int timeout) us->current_urb->error_count = 0; us->current_urb->status = 0; -// us->current_urb->transfer_flags = URB_NO_SETUP_DMA_MAP; + us->current_urb->transfer_flags = 0; if (us->current_urb->transfer_buffer == us->iobuf) us->current_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; us->current_urb->transfer_dma = us->iobuf_dma; diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c index 75aa7a36307..4ca45ec7fd8 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon.c +++ b/drivers/staging/olpc_dcon/olpc_dcon.c @@ -17,7 +17,6 @@ #include <linux/console.h> #include <linux/i2c.h> #include <linux/platform_device.h> -#include <linux/i2c-id.h> #include <linux/pci.h> #include <linux/pci_ids.h> #include <linux/interrupt.h> @@ -733,7 +732,6 @@ static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id) edev: platform_device_unregister(dcon_device); dcon_device = NULL; - i2c_set_clientdata(client, NULL); eirq: free_irq(DCON_IRQ, &dcon_driver); einit: @@ -757,8 +755,6 @@ static int dcon_remove(struct i2c_client *client) platform_device_unregister(dcon_device); cancel_work_sync(&dcon_work); - i2c_set_clientdata(client, NULL); - return 0; } diff --git a/drivers/staging/rt2860/common/cmm_aes.c b/drivers/staging/rt2860/common/cmm_aes.c index 1d159ff82fd..a99879bada4 100644 --- a/drivers/staging/rt2860/common/cmm_aes.c +++ b/drivers/staging/rt2860/common/cmm_aes.c @@ -330,8 +330,6 @@ void construct_mic_iv(unsigned char *mic_iv, for (i = 8; i < 14; i++) mic_iv[i] = pn_vector[13 - i]; /* mic_iv[8:13] = PN[5:0] */ #endif - i = (payload_length / 256); - i = (payload_length % 256); mic_iv[14] = (unsigned char)(payload_length / 256); mic_iv[15] = (unsigned char)(payload_length % 256); diff --git a/drivers/staging/rt2860/usb_main_dev.c b/drivers/staging/rt2860/usb_main_dev.c index ebf9074a908..ddacfc6c486 100644 --- a/drivers/staging/rt2860/usb_main_dev.c +++ b/drivers/staging/rt2860/usb_main_dev.c @@ -65,6 +65,7 @@ struct usb_device_id rtusb_usb_id[] = { {USB_DEVICE(0x14B2, 0x3C07)}, /* AL */ {USB_DEVICE(0x050D, 0x8053)}, /* Belkin */ {USB_DEVICE(0x050D, 0x825B)}, /* Belkin */ + {USB_DEVICE(0x050D, 0x935A)}, /* Belkin F6D4050 v1 */ {USB_DEVICE(0x050D, 0x935B)}, /* Belkin F6D4050 v2 */ {USB_DEVICE(0x14B2, 0x3C23)}, /* Airlink */ {USB_DEVICE(0x14B2, 0x3C27)}, /* Airlink */ diff --git a/drivers/staging/rtl8192e/r8192E_core.c b/drivers/staging/rtl8192e/r8192E_core.c index a202194b5cb..b1786dcac24 100644 --- a/drivers/staging/rtl8192e/r8192E_core.c +++ b/drivers/staging/rtl8192e/r8192E_core.c @@ -5829,6 +5829,9 @@ static void rtl8192_rx(struct net_device *dev) } } + pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb), + priv->rxbuffersize, PCI_DMA_FROMDEVICE); + skb = new_skb; priv->rx_buf[priv->rx_idx] = skb; *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE); diff --git a/drivers/staging/rtl8712/osdep_service.h b/drivers/staging/rtl8712/osdep_service.h index d1674cd282d..831d81e0e42 100644 --- a/drivers/staging/rtl8712/osdep_service.h +++ b/drivers/staging/rtl8712/osdep_service.h @@ -22,7 +22,6 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/kref.h> -#include <linux/smp_lock.h> #include <linux/netdevice.h> #include <linux/skbuff.h> #include <linux/usb.h> diff --git a/drivers/staging/solo6x10/solo6010-v4l2-enc.c b/drivers/staging/solo6x10/solo6010-v4l2-enc.c index bbf3d9c4abb..097e82bc7a6 100644 --- a/drivers/staging/solo6x10/solo6010-v4l2-enc.c +++ b/drivers/staging/solo6x10/solo6010-v4l2-enc.c @@ -766,7 +766,7 @@ static int solo_enc_open(struct file *file) &solo_enc->lock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, - sizeof(struct videobuf_buffer), fh); + sizeof(struct videobuf_buffer), fh, NULL); spin_unlock(&solo_enc->lock); diff --git a/drivers/staging/solo6x10/solo6010-v4l2.c b/drivers/staging/solo6x10/solo6010-v4l2.c index 9731fa02b5e..6ffd21de837 100644 --- a/drivers/staging/solo6x10/solo6010-v4l2.c +++ b/drivers/staging/solo6x10/solo6010-v4l2.c @@ -437,7 +437,7 @@ static int solo_v4l2_open(struct file *file) &solo_dev->pdev->dev, &fh->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, SOLO_DISP_PIX_FIELD, - sizeof(struct videobuf_buffer), fh); + sizeof(struct videobuf_buffer), fh, NULL); return 0; } diff --git a/drivers/staging/speakup/buffers.c b/drivers/staging/speakup/buffers.c index b7b60d5e866..a2db956edd5 100644 --- a/drivers/staging/speakup/buffers.c +++ b/drivers/staging/speakup/buffers.c @@ -1,5 +1,4 @@ #include <linux/console.h> -#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/wait.h> diff --git a/drivers/staging/stradis/Kconfig b/drivers/staging/stradis/Kconfig index 92e89114189..02f0fc504cf 100644 --- a/drivers/staging/stradis/Kconfig +++ b/drivers/staging/stradis/Kconfig @@ -1,6 +1,6 @@ config VIDEO_STRADIS tristate "Stradis 4:2:2 MPEG-2 video driver (DEPRECATED)" - depends on EXPERIMENTAL && PCI && VIDEO_V4L1 && VIRT_TO_BUS + depends on EXPERIMENTAL && PCI && VIDEO_V4L1 && VIRT_TO_BUS && BKL help Say Y here to enable support for the Stradis 4:2:2 MPEG-2 video driver for PCI. There is a product page at diff --git a/drivers/staging/stradis/stradis.c b/drivers/staging/stradis/stradis.c index a057824e7eb..807dd7eb748 100644 --- a/drivers/staging/stradis/stradis.c +++ b/drivers/staging/stradis/stradis.c @@ -1286,6 +1286,7 @@ static long saa_ioctl(struct file *file, case VIDIOCGCAP: { struct video_capability b; + memset(&b, 0, sizeof(b)); strcpy(b.name, saa->video_dev.name); b.type = VID_TYPE_CAPTURE | VID_TYPE_OVERLAY | VID_TYPE_CLIPPING | VID_TYPE_FRAMERAM | @@ -1416,6 +1417,7 @@ static long saa_ioctl(struct file *file, case VIDIOCGWIN: { struct video_window vw; + memset(&vw, 0, sizeof(vw)); vw.x = saa->win.x; vw.y = saa->win.y; vw.width = saa->win.width; @@ -1448,6 +1450,7 @@ static long saa_ioctl(struct file *file, case VIDIOCGFBUF: { struct video_buffer v; + memset(&v, 0, sizeof(v)); v.base = (void *)saa->win.vidadr; v.height = saa->win.sheight; v.width = saa->win.swidth; @@ -1492,6 +1495,7 @@ static long saa_ioctl(struct file *file, case VIDIOCGAUDIO: { struct video_audio v; + memset(&v, 0, sizeof(v)); v = saa->audio_dev; v.flags &= ~(VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE); v.flags |= VIDEO_AUDIO_MUTABLE | VIDEO_AUDIO_VOLUME; @@ -1534,6 +1538,7 @@ static long saa_ioctl(struct file *file, case VIDIOCGUNIT: { struct video_unit vu; + memset(&vu, 0, sizeof(vu)); vu.video = saa->video_dev.minor; vu.vbi = VIDEO_NO_UNIT; vu.radio = VIDEO_NO_UNIT; @@ -1888,6 +1893,7 @@ static int saa_open(struct file *file) saa->user++; if (saa->user > 1) { + saa->user--; unlock_kernel(); return 0; /* device open already, don't reset */ } @@ -2000,10 +2006,13 @@ static int __devinit configure_saa7146(struct pci_dev *pdev, int num) if (retval < 0) { dev_err(&pdev->dev, "%d: error in registering video device!\n", num); - goto errio; + goto errirq; } return 0; + +errirq: + free_irq(saa->irq, saa); errio: iounmap(saa->saa7146_mem); err: diff --git a/drivers/staging/tidspbridge/Kconfig b/drivers/staging/tidspbridge/Kconfig index ff64d464143..93de4f2e8bf 100644 --- a/drivers/staging/tidspbridge/Kconfig +++ b/drivers/staging/tidspbridge/Kconfig @@ -6,7 +6,6 @@ menuconfig TIDSPBRIDGE tristate "DSP Bridge driver" depends on ARCH_OMAP3 select OMAP_MBOX_FWK - select OMAP_IOMMU help DSP/BIOS Bridge is designed for platforms that contain a GPP and one or more attached DSPs. The GPP is considered the master or diff --git a/drivers/staging/tidspbridge/Makefile b/drivers/staging/tidspbridge/Makefile index 50decc2935c..41c644c3318 100644 --- a/drivers/staging/tidspbridge/Makefile +++ b/drivers/staging/tidspbridge/Makefile @@ -2,18 +2,19 @@ obj-$(CONFIG_TIDSPBRIDGE) += bridgedriver.o libgen = gen/gb.o gen/gs.o gen/gh.o gen/uuidutil.o libcore = core/chnl_sm.o core/msg_sm.o core/io_sm.o core/tiomap3430.o \ - core/tiomap3430_pwr.o core/tiomap_io.o core/dsp-mmu.o \ + core/tiomap3430_pwr.o core/tiomap_io.o \ core/ue_deh.o core/wdt.o core/dsp-clock.o core/sync.o libpmgr = pmgr/chnl.o pmgr/io.o pmgr/msg.o pmgr/cod.o pmgr/dev.o pmgr/dspapi.o \ - pmgr/cmm.o pmgr/dbll.o + pmgr/dmm.o pmgr/cmm.o pmgr/dbll.o librmgr = rmgr/dbdcd.o rmgr/disp.o rmgr/drv.o rmgr/mgr.o rmgr/node.o \ rmgr/proc.o rmgr/pwr.o rmgr/rmm.o rmgr/strm.o rmgr/dspdrv.o \ rmgr/nldr.o rmgr/drv_interface.o libdload = dynload/cload.o dynload/getsection.o dynload/reloc.o \ dynload/tramp.o +libhw = hw/hw_mmu.o bridgedriver-y := $(libgen) $(libservices) $(libcore) $(libpmgr) $(librmgr) \ - $(libdload) + $(libdload) $(libhw) #Machine dependent ccflags-y += -D_TI_ -D_DB_TIOMAP -DTMS32060 \ diff --git a/drivers/staging/tidspbridge/core/_deh.h b/drivers/staging/tidspbridge/core/_deh.h index 8ae263387a8..16723cd3483 100644 --- a/drivers/staging/tidspbridge/core/_deh.h +++ b/drivers/staging/tidspbridge/core/_deh.h @@ -27,8 +27,9 @@ struct deh_mgr { struct bridge_dev_context *hbridge_context; /* Bridge context. */ struct ntfy_object *ntfy_obj; /* NTFY object */ -}; -int mmu_fault_isr(struct iommu *mmu); + /* MMU Fault DPC */ + struct tasklet_struct dpc_tasklet; +}; #endif /* _DEH_ */ diff --git a/drivers/staging/tidspbridge/core/_tiomap.h b/drivers/staging/tidspbridge/core/_tiomap.h index e0a801c1cb9..1c1f157e167 100644 --- a/drivers/staging/tidspbridge/core/_tiomap.h +++ b/drivers/staging/tidspbridge/core/_tiomap.h @@ -23,8 +23,8 @@ #include <plat/clockdomain.h> #include <mach-omap2/prm-regbits-34xx.h> #include <mach-omap2/cm-regbits-34xx.h> -#include <dspbridge/dsp-mmu.h> #include <dspbridge/devdefs.h> +#include <hw_defs.h> #include <dspbridge/dspioctl.h> /* for bridge_ioctl_extproc defn */ #include <dspbridge/sync.h> #include <dspbridge/clk.h> @@ -306,18 +306,6 @@ static const struct bpwr_clk_t bpwr_clks[] = { #define CLEAR_BIT_INDEX(reg, index) (reg &= ~(1 << (index))) -struct shm_segs { - u32 seg0_da; - u32 seg0_pa; - u32 seg0_va; - u32 seg0_size; - u32 seg1_da; - u32 seg1_pa; - u32 seg1_va; - u32 seg1_size; -}; - - /* This Bridge driver's device context: */ struct bridge_dev_context { struct dev_object *hdev_obj; /* Handle to Bridge device object. */ @@ -328,6 +316,7 @@ struct bridge_dev_context { */ u32 dw_dsp_ext_base_addr; /* See the comment above */ u32 dw_api_reg_base; /* API mem map'd registers */ + void __iomem *dw_dsp_mmu_base; /* DSP MMU Mapped registers */ u32 dw_api_clk_base; /* CLK Registers */ u32 dw_dsp_clk_m2_base; /* DSP Clock Module m2 */ u32 dw_public_rhea; /* Pub Rhea */ @@ -339,8 +328,7 @@ struct bridge_dev_context { u32 dw_internal_size; /* Internal memory size */ struct omap_mbox *mbox; /* Mail box handle */ - struct iommu *dsp_mmu; /* iommu for iva2 handler */ - struct shm_segs sh_s; + struct cfg_hostres *resources; /* Host Resources */ /* @@ -353,6 +341,7 @@ struct bridge_dev_context { /* TC Settings */ bool tc_word_swap_on; /* Traffic Controller Word Swap */ + struct pg_table_attrs *pt_attrs; u32 dsp_per_clks; }; diff --git a/drivers/staging/tidspbridge/core/dsp-mmu.c b/drivers/staging/tidspbridge/core/dsp-mmu.c deleted file mode 100644 index 983c95adc8f..00000000000 --- a/drivers/staging/tidspbridge/core/dsp-mmu.c +++ /dev/null @@ -1,317 +0,0 @@ -/* - * dsp-mmu.c - * - * DSP-BIOS Bridge driver support functions for TI OMAP processors. - * - * DSP iommu. - * - * Copyright (C) 2010 Texas Instruments, Inc. - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#include <dspbridge/host_os.h> -#include <plat/dmtimer.h> -#include <dspbridge/dbdefs.h> -#include <dspbridge/dev.h> -#include <dspbridge/io_sm.h> -#include <dspbridge/dspdeh.h> -#include "_tiomap.h" - -#include <dspbridge/dsp-mmu.h> - -#define MMU_CNTL_TWL_EN (1 << 2) - -static struct tasklet_struct mmu_tasklet; - -#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE -static void mmu_fault_print_stack(struct bridge_dev_context *dev_context) -{ - void *dummy_addr; - u32 fa, tmp; - struct iotlb_entry e; - struct iommu *mmu = dev_context->dsp_mmu; - dummy_addr = (void *)__get_free_page(GFP_ATOMIC); - - /* - * Before acking the MMU fault, let's make sure MMU can only - * access entry #0. Then add a new entry so that the DSP OS - * can continue in order to dump the stack. - */ - tmp = iommu_read_reg(mmu, MMU_CNTL); - tmp &= ~MMU_CNTL_TWL_EN; - iommu_write_reg(mmu, tmp, MMU_CNTL); - fa = iommu_read_reg(mmu, MMU_FAULT_AD); - e.da = fa & PAGE_MASK; - e.pa = virt_to_phys(dummy_addr); - e.valid = 1; - e.prsvd = 1; - e.pgsz = IOVMF_PGSZ_4K & MMU_CAM_PGSZ_MASK; - e.endian = MMU_RAM_ENDIAN_LITTLE; - e.elsz = MMU_RAM_ELSZ_32; - e.mixed = 0; - - load_iotlb_entry(mmu, &e); - - dsp_clk_enable(DSP_CLK_GPT8); - - dsp_gpt_wait_overflow(DSP_CLK_GPT8, 0xfffffffe); - - /* Clear MMU interrupt */ - tmp = iommu_read_reg(mmu, MMU_IRQSTATUS); - iommu_write_reg(mmu, tmp, MMU_IRQSTATUS); - - dump_dsp_stack(dev_context); - dsp_clk_disable(DSP_CLK_GPT8); - - iopgtable_clear_entry(mmu, fa); - free_page((unsigned long)dummy_addr); -} -#endif - - -static void fault_tasklet(unsigned long data) -{ - struct iommu *mmu = (struct iommu *)data; - struct bridge_dev_context *dev_ctx; - struct deh_mgr *dm; - u32 fa; - dev_get_deh_mgr(dev_get_first(), &dm); - dev_get_bridge_context(dev_get_first(), &dev_ctx); - - if (!dm || !dev_ctx) - return; - - fa = iommu_read_reg(mmu, MMU_FAULT_AD); - -#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE - print_dsp_trace_buffer(dev_ctx); - dump_dl_modules(dev_ctx); - mmu_fault_print_stack(dev_ctx); -#endif - - bridge_deh_notify(dm, DSP_MMUFAULT, fa); -} - -/* - * ======== mmu_fault_isr ======== - * ISR to be triggered by a DSP MMU fault interrupt. - */ -static int mmu_fault_callback(struct iommu *mmu) -{ - if (!mmu) - return -EPERM; - - iommu_write_reg(mmu, 0, MMU_IRQENABLE); - tasklet_schedule(&mmu_tasklet); - return 0; -} - -/** - * dsp_mmu_init() - initialize dsp_mmu module and returns a handle - * - * This function initialize dsp mmu module and returns a struct iommu - * handle to use it for dsp maps. - * - */ -struct iommu *dsp_mmu_init() -{ - struct iommu *mmu; - - mmu = iommu_get("iva2"); - - if (!IS_ERR(mmu)) { - tasklet_init(&mmu_tasklet, fault_tasklet, (unsigned long)mmu); - mmu->isr = mmu_fault_callback; - } - - return mmu; -} - -/** - * dsp_mmu_exit() - destroy dsp mmu module - * @mmu: Pointer to iommu handle. - * - * This function destroys dsp mmu module. - * - */ -void dsp_mmu_exit(struct iommu *mmu) -{ - if (mmu) - iommu_put(mmu); - tasklet_kill(&mmu_tasklet); -} - -/** - * user_va2_pa() - get physical address from userspace address. - * @mm: mm_struct Pointer of the process. - * @address: Virtual user space address. - * - */ -static u32 user_va2_pa(struct mm_struct *mm, u32 address) -{ - pgd_t *pgd; - pmd_t *pmd; - pte_t *ptep, pte; - - pgd = pgd_offset(mm, address); - if (!(pgd_none(*pgd) || pgd_bad(*pgd))) { - pmd = pmd_offset(pgd, address); - if (!(pmd_none(*pmd) || pmd_bad(*pmd))) { - ptep = pte_offset_map(pmd, address); - if (ptep) { - pte = *ptep; - if (pte_present(pte)) - return pte & PAGE_MASK; - } - } - } - - return 0; -} - -/** - * get_io_pages() - pin and get pages of io user's buffer. - * @mm: mm_struct Pointer of the process. - * @uva: Virtual user space address. - * @pages Pages to be pined. - * @usr_pgs struct page array pointer where the user pages will be stored - * - */ -static int get_io_pages(struct mm_struct *mm, u32 uva, unsigned pages, - struct page **usr_pgs) -{ - u32 pa; - int i; - struct page *pg; - - for (i = 0; i < pages; i++) { - pa = user_va2_pa(mm, uva); - - if (!pfn_valid(__phys_to_pfn(pa))) - break; - - pg = phys_to_page(pa); - usr_pgs[i] = pg; - get_page(pg); - } - return i; -} - -/** - * user_to_dsp_map() - maps user to dsp virtual address - * @mmu: Pointer to iommu handle. - * @uva: Virtual user space address. - * @da DSP address - * @size Buffer size to map. - * @usr_pgs struct page array pointer where the user pages will be stored - * - * This function maps a user space buffer into DSP virtual address. - * - */ -u32 user_to_dsp_map(struct iommu *mmu, u32 uva, u32 da, u32 size, - struct page **usr_pgs) -{ - int res, w; - unsigned pages; - int i; - struct vm_area_struct *vma; - struct mm_struct *mm = current->mm; - struct sg_table *sgt; - struct scatterlist *sg; - - if (!size || !usr_pgs) - return -EINVAL; - - pages = size / PG_SIZE4K; - - down_read(&mm->mmap_sem); - vma = find_vma(mm, uva); - while (vma && (uva + size > vma->vm_end)) - vma = find_vma(mm, vma->vm_end + 1); - - if (!vma) { - pr_err("%s: Failed to get VMA region for 0x%x (%d)\n", - __func__, uva, size); - up_read(&mm->mmap_sem); - return -EINVAL; - } - if (vma->vm_flags & (VM_WRITE | VM_MAYWRITE)) - w = 1; - - if (vma->vm_flags & VM_IO) - i = get_io_pages(mm, uva, pages, usr_pgs); - else - i = get_user_pages(current, mm, uva, pages, w, 1, - usr_pgs, NULL); - up_read(&mm->mmap_sem); - - if (i < 0) - return i; - - if (i < pages) { - res = -EFAULT; - goto err_pages; - } - - sgt = kzalloc(sizeof(*sgt), GFP_KERNEL); - if (!sgt) { - res = -ENOMEM; - goto err_pages; - } - - res = sg_alloc_table(sgt, pages, GFP_KERNEL); - - if (res < 0) - goto err_sg; - - for_each_sg(sgt->sgl, sg, sgt->nents, i) - sg_set_page(sg, usr_pgs[i], PAGE_SIZE, 0); - - da = iommu_vmap(mmu, da, sgt, IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_32); - - if (!IS_ERR_VALUE(da)) - return da; - res = (int)da; - - sg_free_table(sgt); -err_sg: - kfree(sgt); - i = pages; -err_pages: - while (i--) - put_page(usr_pgs[i]); - return res; -} - -/** - * user_to_dsp_unmap() - unmaps DSP virtual buffer. - * @mmu: Pointer to iommu handle. - * @da DSP address - * - * This function unmaps a user space buffer into DSP virtual address. - * - */ -int user_to_dsp_unmap(struct iommu *mmu, u32 da) -{ - unsigned i; - struct sg_table *sgt; - struct scatterlist *sg; - - sgt = iommu_vunmap(mmu, da); - if (!sgt) - return -EFAULT; - - for_each_sg(sgt->sgl, sg, sgt->nents, i) - put_page(sg_page(sg)); - sg_free_table(sgt); - kfree(sgt); - - return 0; -} diff --git a/drivers/staging/tidspbridge/core/io_sm.c b/drivers/staging/tidspbridge/core/io_sm.c index 194badaba0e..571864555dd 100644 --- a/drivers/staging/tidspbridge/core/io_sm.c +++ b/drivers/staging/tidspbridge/core/io_sm.c @@ -39,6 +39,10 @@ #include <dspbridge/ntfy.h> #include <dspbridge/sync.h> +/* Hardware Abstraction Layer */ +#include <hw_defs.h> +#include <hw_mmu.h> + /* Bridge Driver */ #include <dspbridge/dspdeh.h> #include <dspbridge/dspio.h> @@ -287,7 +291,6 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr) struct cod_manager *cod_man; struct chnl_mgr *hchnl_mgr; struct msg_mgr *hmsg_mgr; - struct shm_segs *sm_sg; u32 ul_shm_base; u32 ul_shm_base_offset; u32 ul_shm_limit; @@ -310,9 +313,18 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr) struct bridge_ioctl_extproc ae_proc[BRDIOCTL_NUMOFMMUTLB]; struct cfg_hostres *host_res; struct bridge_dev_context *pbridge_context; + u32 map_attrs; u32 shm0_end; u32 ul_dyn_ext_base; u32 ul_seg1_size = 0; + u32 pa_curr = 0; + u32 va_curr = 0; + u32 gpp_va_curr = 0; + u32 num_bytes = 0; + u32 all_bits = 0; + u32 page_size[] = { HW_PAGE_SIZE16MB, HW_PAGE_SIZE1MB, + HW_PAGE_SIZE64KB, HW_PAGE_SIZE4KB + }; status = dev_get_bridge_context(hio_mgr->hdev_obj, &pbridge_context); if (!pbridge_context) { @@ -325,8 +337,6 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr) status = -EFAULT; goto func_end; } - sm_sg = &pbridge_context->sh_s; - status = dev_get_cod_mgr(hio_mgr->hdev_obj, &cod_man); if (!cod_man) { status = -EFAULT; @@ -461,14 +471,129 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr) if (status) goto func_end; - sm_sg->seg1_pa = ul_gpp_pa; - sm_sg->seg1_da = ul_dyn_ext_base; - sm_sg->seg1_va = ul_gpp_va; - sm_sg->seg1_size = ul_seg1_size; - sm_sg->seg0_pa = ul_gpp_pa + ul_pad_size + ul_seg1_size; - sm_sg->seg0_da = ul_dsp_va; - sm_sg->seg0_va = ul_gpp_va + ul_pad_size + ul_seg1_size; - sm_sg->seg0_size = ul_seg_size; + pa_curr = ul_gpp_pa; + va_curr = ul_dyn_ext_base * hio_mgr->word_size; + gpp_va_curr = ul_gpp_va; + num_bytes = ul_seg1_size; + + /* + * Try to fit into TLB entries. If not possible, push them to page + * tables. It is quite possible that if sections are not on + * bigger page boundary, we may end up making several small pages. + * So, push them onto page tables, if that is the case. + */ + map_attrs = 0x00000000; + map_attrs = DSP_MAPLITTLEENDIAN; + map_attrs |= DSP_MAPPHYSICALADDR; + map_attrs |= DSP_MAPELEMSIZE32; + map_attrs |= DSP_MAPDONOTLOCK; + + while (num_bytes) { + /* + * To find the max. page size with which both PA & VA are + * aligned. + */ + all_bits = pa_curr | va_curr; + dev_dbg(bridge, "all_bits %x, pa_curr %x, va_curr %x, " + "num_bytes %x\n", all_bits, pa_curr, va_curr, + num_bytes); + for (i = 0; i < 4; i++) { + if ((num_bytes >= page_size[i]) && ((all_bits & + (page_size[i] - + 1)) == 0)) { + status = + hio_mgr->intf_fxns-> + pfn_brd_mem_map(hio_mgr->hbridge_context, + pa_curr, va_curr, + page_size[i], map_attrs, + NULL); + if (status) + goto func_end; + pa_curr += page_size[i]; + va_curr += page_size[i]; + gpp_va_curr += page_size[i]; + num_bytes -= page_size[i]; + /* + * Don't try smaller sizes. Hopefully we have + * reached an address aligned to a bigger page + * size. + */ + break; + } + } + } + pa_curr += ul_pad_size; + va_curr += ul_pad_size; + gpp_va_curr += ul_pad_size; + + /* Configure the TLB entries for the next cacheable segment */ + num_bytes = ul_seg_size; + va_curr = ul_dsp_va * hio_mgr->word_size; + while (num_bytes) { + /* + * To find the max. page size with which both PA & VA are + * aligned. + */ + all_bits = pa_curr | va_curr; + dev_dbg(bridge, "all_bits for Seg1 %x, pa_curr %x, " + "va_curr %x, num_bytes %x\n", all_bits, pa_curr, + va_curr, num_bytes); + for (i = 0; i < 4; i++) { + if (!(num_bytes >= page_size[i]) || + !((all_bits & (page_size[i] - 1)) == 0)) + continue; + if (ndx < MAX_LOCK_TLB_ENTRIES) { + /* + * This is the physical address written to + * DSP MMU. + */ + ae_proc[ndx].ul_gpp_pa = pa_curr; + /* + * This is the virtual uncached ioremapped + * address!!! + */ + ae_proc[ndx].ul_gpp_va = gpp_va_curr; + ae_proc[ndx].ul_dsp_va = + va_curr / hio_mgr->word_size; + ae_proc[ndx].ul_size = page_size[i]; + ae_proc[ndx].endianism = HW_LITTLE_ENDIAN; + ae_proc[ndx].elem_size = HW_ELEM_SIZE16BIT; + ae_proc[ndx].mixed_mode = HW_MMU_CPUES; + dev_dbg(bridge, "shm MMU TLB entry PA %x" + " VA %x DSP_VA %x Size %x\n", + ae_proc[ndx].ul_gpp_pa, + ae_proc[ndx].ul_gpp_va, + ae_proc[ndx].ul_dsp_va * + hio_mgr->word_size, page_size[i]); + ndx++; + } else { + status = + hio_mgr->intf_fxns-> + pfn_brd_mem_map(hio_mgr->hbridge_context, + pa_curr, va_curr, + page_size[i], map_attrs, + NULL); + dev_dbg(bridge, + "shm MMU PTE entry PA %x" + " VA %x DSP_VA %x Size %x\n", + ae_proc[ndx].ul_gpp_pa, + ae_proc[ndx].ul_gpp_va, + ae_proc[ndx].ul_dsp_va * + hio_mgr->word_size, page_size[i]); + if (status) + goto func_end; + } + pa_curr += page_size[i]; + va_curr += page_size[i]; + gpp_va_curr += page_size[i]; + num_bytes -= page_size[i]; + /* + * Don't try smaller sizes. Hopefully we have reached + * an address aligned to a bigger page size. + */ + break; + } + } /* * Copy remaining entries from CDB. All entries are 1 MB and @@ -509,12 +634,38 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr) "DSP_VA 0x%x\n", ae_proc[ndx].ul_gpp_pa, ae_proc[ndx].ul_dsp_va); ndx++; + } else { + status = hio_mgr->intf_fxns->pfn_brd_mem_map + (hio_mgr->hbridge_context, + hio_mgr->ext_proc_info.ty_tlb[i]. + ul_gpp_phys, + hio_mgr->ext_proc_info.ty_tlb[i]. + ul_dsp_virt, 0x100000, map_attrs, + NULL); } } if (status) goto func_end; } + map_attrs = 0x00000000; + map_attrs = DSP_MAPLITTLEENDIAN; + map_attrs |= DSP_MAPPHYSICALADDR; + map_attrs |= DSP_MAPELEMSIZE32; + map_attrs |= DSP_MAPDONOTLOCK; + + /* Map the L4 peripherals */ + i = 0; + while (l4_peripheral_table[i].phys_addr) { + status = hio_mgr->intf_fxns->pfn_brd_mem_map + (hio_mgr->hbridge_context, l4_peripheral_table[i].phys_addr, + l4_peripheral_table[i].dsp_virt_addr, HW_PAGE_SIZE4KB, + map_attrs, NULL); + if (status) + goto func_end; + i++; + } + for (i = ndx; i < BRDIOCTL_NUMOFMMUTLB; i++) { ae_proc[i].ul_dsp_va = 0; ae_proc[i].ul_gpp_pa = 0; @@ -537,12 +688,12 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr) status = -EFAULT; goto func_end; } else { - if (sm_sg->seg0_da > ul_shm_base) { + if (ae_proc[0].ul_dsp_va > ul_shm_base) { status = -EPERM; goto func_end; } /* ul_shm_base may not be at ul_dsp_va address */ - ul_shm_base_offset = (ul_shm_base - sm_sg->seg0_da) * + ul_shm_base_offset = (ul_shm_base - ae_proc[0].ul_dsp_va) * hio_mgr->word_size; /* * bridge_dev_ctrl() will set dev context dsp-mmu info. In @@ -566,7 +717,8 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr) goto func_end; } /* Register SM */ - status = register_shm_segs(hio_mgr, cod_man, sm_sg->seg0_pa); + status = + register_shm_segs(hio_mgr, cod_man, ae_proc[0].ul_gpp_pa); } hio_mgr->shared_mem = (struct shm *)ul_shm_base; diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c index f22bc12bc0d..1be081f917a 100644 --- a/drivers/staging/tidspbridge/core/tiomap3430.c +++ b/drivers/staging/tidspbridge/core/tiomap3430.c @@ -23,7 +23,6 @@ #include <dspbridge/host_os.h> #include <linux/mm.h> #include <linux/mmzone.h> -#include <plat/control.h> /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> @@ -35,6 +34,10 @@ #include <dspbridge/drv.h> #include <dspbridge/sync.h> +/* ------------------------------------ Hardware Abstraction Layer */ +#include <hw_defs.h> +#include <hw_mmu.h> + /* ----------------------------------- Link Driver */ #include <dspbridge/dspdefs.h> #include <dspbridge/dspchnl.h> @@ -47,6 +50,7 @@ /* ----------------------------------- Platform Manager */ #include <dspbridge/dev.h> #include <dspbridge/dspapi.h> +#include <dspbridge/dmm.h> #include <dspbridge/wdt.h> /* ----------------------------------- Local */ @@ -67,6 +71,20 @@ #define MMU_SMALL_PAGE_MASK 0xFFFFF000 #define OMAP3_IVA2_BOOTADDR_MASK 0xFFFFFC00 #define PAGES_II_LVL_TABLE 512 +#define PHYS_TO_PAGE(phys) pfn_to_page((phys) >> PAGE_SHIFT) + +/* + * This is a totally ugly layer violation, but needed until + * omap_ctrl_set_dsp_boot*() are provided. + */ +#define OMAP3_IVA2_BOOTMOD_IDLE 1 +#define OMAP2_CONTROL_GENERAL 0x270 +#define OMAP343X_CONTROL_IVA2_BOOTADDR (OMAP2_CONTROL_GENERAL + 0x0190) +#define OMAP343X_CONTROL_IVA2_BOOTMOD (OMAP2_CONTROL_GENERAL + 0x0194) + +#define OMAP343X_CTRL_REGADDR(reg) \ + OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE + (reg)) + /* Forward Declarations: */ static int bridge_brd_monitor(struct bridge_dev_context *dev_ctxt); @@ -91,6 +109,12 @@ static int bridge_brd_mem_copy(struct bridge_dev_context *dev_ctxt, static int bridge_brd_mem_write(struct bridge_dev_context *dev_ctxt, u8 *host_buff, u32 dsp_addr, u32 ul_num_bytes, u32 mem_type); +static int bridge_brd_mem_map(struct bridge_dev_context *dev_ctxt, + u32 ul_mpu_addr, u32 virt_addr, + u32 ul_num_bytes, u32 ul_map_attr, + struct page **mapped_pages); +static int bridge_brd_mem_un_map(struct bridge_dev_context *dev_ctxt, + u32 virt_addr, u32 ul_num_bytes); static int bridge_dev_create(struct bridge_dev_context **dev_cntxt, struct dev_object *hdev_obj, @@ -98,8 +122,57 @@ static int bridge_dev_create(struct bridge_dev_context static int bridge_dev_ctrl(struct bridge_dev_context *dev_context, u32 dw_cmd, void *pargs); static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt); +static u32 user_va2_pa(struct mm_struct *mm, u32 address); +static int pte_update(struct bridge_dev_context *dev_ctxt, u32 pa, + u32 va, u32 size, + struct hw_mmu_map_attrs_t *map_attrs); +static int pte_set(struct pg_table_attrs *pt, u32 pa, u32 va, + u32 size, struct hw_mmu_map_attrs_t *attrs); +static int mem_map_vmalloc(struct bridge_dev_context *dev_context, + u32 ul_mpu_addr, u32 virt_addr, + u32 ul_num_bytes, + struct hw_mmu_map_attrs_t *hw_attrs); + bool wait_for_start(struct bridge_dev_context *dev_context, u32 dw_sync_addr); +/* ----------------------------------- Globals */ + +/* Attributes of L2 page tables for DSP MMU */ +struct page_info { + u32 num_entries; /* Number of valid PTEs in the L2 PT */ +}; + +/* Attributes used to manage the DSP MMU page tables */ +struct pg_table_attrs { + spinlock_t pg_lock; /* Critical section object handle */ + + u32 l1_base_pa; /* Physical address of the L1 PT */ + u32 l1_base_va; /* Virtual address of the L1 PT */ + u32 l1_size; /* Size of the L1 PT */ + u32 l1_tbl_alloc_pa; + /* Physical address of Allocated mem for L1 table. May not be aligned */ + u32 l1_tbl_alloc_va; + /* Virtual address of Allocated mem for L1 table. May not be aligned */ + u32 l1_tbl_alloc_sz; + /* Size of consistent memory allocated for L1 table. + * May not be aligned */ + + u32 l2_base_pa; /* Physical address of the L2 PT */ + u32 l2_base_va; /* Virtual address of the L2 PT */ + u32 l2_size; /* Size of the L2 PT */ + u32 l2_tbl_alloc_pa; + /* Physical address of Allocated mem for L2 table. May not be aligned */ + u32 l2_tbl_alloc_va; + /* Virtual address of Allocated mem for L2 table. May not be aligned */ + u32 l2_tbl_alloc_sz; + /* Size of consistent memory allocated for L2 table. + * May not be aligned */ + + u32 l2_num_pages; /* Number of allocated L2 PT */ + /* Array [l2_num_pages] of L2 PT info structs */ + struct page_info *pg_info; +}; + /* * This Bridge driver's function interface table. */ @@ -119,6 +192,8 @@ static struct bridge_drv_interface drv_interface_fxns = { bridge_brd_set_state, bridge_brd_mem_copy, bridge_brd_mem_write, + bridge_brd_mem_map, + bridge_brd_mem_un_map, /* The following CHNL functions are provided by chnl_io.lib: */ bridge_chnl_create, bridge_chnl_destroy, @@ -148,6 +223,27 @@ static struct bridge_drv_interface drv_interface_fxns = { bridge_msg_set_queue_id, }; +static inline void flush_all(struct bridge_dev_context *dev_context) +{ + if (dev_context->dw_brd_state == BRD_DSP_HIBERNATION || + dev_context->dw_brd_state == BRD_HIBERNATION) + wake_dsp(dev_context, NULL); + + hw_mmu_tlb_flush_all(dev_context->dw_dsp_mmu_base); +} + +static void bad_page_dump(u32 pa, struct page *pg) +{ + pr_emerg("DSPBRIDGE: MAP function: COUNT 0 FOR PA 0x%x\n", pa); + pr_emerg("Bad page state in process '%s'\n" + "page:%p flags:0x%0*lx mapping:%p mapcount:%d count:%d\n" + "Backtrace:\n", + current->comm, pg, (int)(2 * sizeof(unsigned long)), + (unsigned long)pg->flags, pg->mapping, + page_mapcount(pg), page_count(pg)); + dump_stack(); +} + /* * ======== bridge_drv_entry ======== * purpose: @@ -203,7 +299,8 @@ static int bridge_brd_monitor(struct bridge_dev_context *dev_ctxt) (*pdata->dsp_cm_write)(OMAP34XX_CLKSTCTRL_DISABLE_AUTO, OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL); } - + (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST2_IVA2_MASK, 0, + OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL); dsp_clk_enable(DSP_CLK_IVA2); /* set the device state to IDLE */ @@ -274,17 +371,14 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt, { int status = 0; struct bridge_dev_context *dev_context = dev_ctxt; - struct iommu *mmu = NULL; - struct shm_segs *sm_sg; - int l4_i = 0, tlb_i = 0; - u32 sg0_da = 0, sg1_da = 0; - struct bridge_ioctl_extproc *tlb = dev_context->atlb_entry; u32 dw_sync_addr = 0; u32 ul_shm_base; /* Gpp Phys SM base addr(byte) */ u32 ul_shm_base_virt; /* Dsp Virt SM base addr */ u32 ul_tlb_base_virt; /* Base of MMU TLB entry */ /* Offset of shm_base_virt from tlb_base_virt */ u32 ul_shm_offset_virt; + s32 entry_ndx; + s32 itmp_entry_ndx = 0; /* DSP-MMU TLB entry base address */ struct cfg_hostres *resources = NULL; u32 temp; u32 ul_dsp_clk_rate; @@ -305,12 +399,12 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt, ul_shm_base_virt *= DSPWORDSIZE; DBC_ASSERT(ul_shm_base_virt != 0); /* DSP Virtual address */ - ul_tlb_base_virt = dev_context->sh_s.seg0_da; + ul_tlb_base_virt = dev_context->atlb_entry[0].ul_dsp_va; DBC_ASSERT(ul_tlb_base_virt <= ul_shm_base_virt); ul_shm_offset_virt = ul_shm_base_virt - (ul_tlb_base_virt * DSPWORDSIZE); /* Kernel logical address */ - ul_shm_base = dev_context->sh_s.seg0_va + ul_shm_offset_virt; + ul_shm_base = dev_context->atlb_entry[0].ul_gpp_va + ul_shm_offset_virt; DBC_ASSERT(ul_shm_base != 0); /* 2nd wd is used as sync field */ @@ -345,83 +439,78 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt, OMAP343X_CONTROL_IVA2_BOOTMOD)); } } - if (!status) { + /* Reset and Unreset the RST2, so that BOOTADDR is copied to + * IVA2 SYSC register */ + (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST2_IVA2_MASK, + OMAP3430_RST2_IVA2_MASK, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL); + udelay(100); (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST2_IVA2_MASK, 0, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL); - mmu = dev_context->dsp_mmu; - if (mmu) - dsp_mmu_exit(mmu); - mmu = dsp_mmu_init(); - if (IS_ERR(mmu)) { - dev_err(bridge, "dsp_mmu_init failed!\n"); - dev_context->dsp_mmu = NULL; - status = (int)mmu; - } - } - if (!status) { - dev_context->dsp_mmu = mmu; - sm_sg = &dev_context->sh_s; - sg0_da = iommu_kmap(mmu, sm_sg->seg0_da, sm_sg->seg0_pa, - sm_sg->seg0_size, IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_32); - if (IS_ERR_VALUE(sg0_da)) { - status = (int)sg0_da; - sg0_da = 0; - } - } - if (!status) { - sg1_da = iommu_kmap(mmu, sm_sg->seg1_da, sm_sg->seg1_pa, - sm_sg->seg1_size, IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_32); - if (IS_ERR_VALUE(sg1_da)) { - status = (int)sg1_da; - sg1_da = 0; - } - } - if (!status) { - u32 da; - for (tlb_i = 0; tlb_i < BRDIOCTL_NUMOFMMUTLB; tlb_i++) { - if (!tlb[tlb_i].ul_gpp_pa) + udelay(100); + + /* Disbale the DSP MMU */ + hw_mmu_disable(resources->dw_dmmu_base); + /* Disable TWL */ + hw_mmu_twl_disable(resources->dw_dmmu_base); + + /* Only make TLB entry if both addresses are non-zero */ + for (entry_ndx = 0; entry_ndx < BRDIOCTL_NUMOFMMUTLB; + entry_ndx++) { + struct bridge_ioctl_extproc *e = &dev_context->atlb_entry[entry_ndx]; + struct hw_mmu_map_attrs_t map_attrs = { + .endianism = e->endianism, + .element_size = e->elem_size, + .mixed_size = e->mixed_mode, + }; + + if (!e->ul_gpp_pa || !e->ul_dsp_va) continue; - dev_dbg(bridge, "IOMMU %d GppPa: 0x%x DspVa 0x%x Size" - " 0x%x\n", tlb_i, tlb[tlb_i].ul_gpp_pa, - tlb[tlb_i].ul_dsp_va, tlb[tlb_i].ul_size); - - da = iommu_kmap(mmu, tlb[tlb_i].ul_dsp_va, - tlb[tlb_i].ul_gpp_pa, PAGE_SIZE, - IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_32); - if (IS_ERR_VALUE(da)) { - status = (int)da; - break; - } - } - } - if (!status) { - u32 da; - l4_i = 0; - while (l4_peripheral_table[l4_i].phys_addr) { - da = iommu_kmap(mmu, l4_peripheral_table[l4_i]. - dsp_virt_addr, l4_peripheral_table[l4_i]. - phys_addr, PAGE_SIZE, - IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_32); - if (IS_ERR_VALUE(da)) { - status = (int)da; - break; - } - l4_i++; + dev_dbg(bridge, + "MMU %d, pa: 0x%x, va: 0x%x, size: 0x%x", + itmp_entry_ndx, + e->ul_gpp_pa, + e->ul_dsp_va, + e->ul_size); + + hw_mmu_tlb_add(dev_context->dw_dsp_mmu_base, + e->ul_gpp_pa, + e->ul_dsp_va, + e->ul_size, + itmp_entry_ndx, + &map_attrs, 1, 1); + + itmp_entry_ndx++; } } /* Lock the above TLB entries and get the BIOS and load monitor timer * information */ if (!status) { + hw_mmu_num_locked_set(resources->dw_dmmu_base, itmp_entry_ndx); + hw_mmu_victim_num_set(resources->dw_dmmu_base, itmp_entry_ndx); + hw_mmu_ttb_set(resources->dw_dmmu_base, + dev_context->pt_attrs->l1_base_pa); + hw_mmu_twl_enable(resources->dw_dmmu_base); + /* Enable the SmartIdle and AutoIdle bit for MMU_SYSCONFIG */ + + temp = __raw_readl((resources->dw_dmmu_base) + 0x10); + temp = (temp & 0xFFFFFFEF) | 0x11; + __raw_writel(temp, (resources->dw_dmmu_base) + 0x10); + + /* Let the DSP MMU run */ + hw_mmu_enable(resources->dw_dmmu_base); + /* Enable the BIOS clock */ (void)dev_get_symbol(dev_context->hdev_obj, BRIDGEINIT_BIOSGPTIMER, &ul_bios_gp_timer); (void)dev_get_symbol(dev_context->hdev_obj, BRIDGEINIT_LOADMON_GPTIMER, &ul_load_monitor_timer); + } + if (!status) { if (ul_load_monitor_timer != 0xFFFF) { clk_cmd = (BPWR_ENABLE_CLOCK << MBX_PM_CLK_CMDSHIFT) | ul_load_monitor_timer; @@ -430,7 +519,9 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt, dev_dbg(bridge, "Not able to get the symbol for Load " "Monitor Timer\n"); } + } + if (!status) { if (ul_bios_gp_timer != 0xFFFF) { clk_cmd = (BPWR_ENABLE_CLOCK << MBX_PM_CLK_CMDSHIFT) | ul_bios_gp_timer; @@ -439,7 +530,9 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt, dev_dbg(bridge, "Not able to get the symbol for BIOS Timer\n"); } + } + if (!status) { /* Set the DSP clock rate */ (void)dev_get_symbol(dev_context->hdev_obj, "_BRIDGEINIT_DSP_FREQ", &ul_dsp_clk_addr); @@ -492,6 +585,9 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt, /* Let DSP go */ dev_dbg(bridge, "%s Unreset\n", __func__); + /* Enable DSP MMU Interrupts */ + hw_mmu_event_enable(resources->dw_dmmu_base, + HW_MMU_ALL_INTERRUPTS); /* release the RST1, DSP starts executing now .. */ (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST1_IVA2_MASK, 0, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL); @@ -521,23 +617,11 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt, /* update board state */ dev_context->dw_brd_state = BRD_RUNNING; - return 0; + /* (void)chnlsm_enable_interrupt(dev_context); */ } else { dev_context->dw_brd_state = BRD_UNKNOWN; } } - - while (tlb_i--) { - if (!tlb[tlb_i].ul_gpp_pa) - continue; - iommu_kunmap(mmu, tlb[tlb_i].ul_gpp_va); - } - while (l4_i--) - iommu_kunmap(mmu, l4_peripheral_table[l4_i].dsp_virt_addr); - if (sg0_da) - iommu_kunmap(mmu, sg0_da); - if (sg1_da) - iommu_kunmap(mmu, sg1_da); return status; } @@ -553,9 +637,8 @@ static int bridge_brd_stop(struct bridge_dev_context *dev_ctxt) { int status = 0; struct bridge_dev_context *dev_context = dev_ctxt; + struct pg_table_attrs *pt_attrs; u32 dsp_pwr_state; - int i; - struct bridge_ioctl_extproc *tlb = dev_context->atlb_entry; struct omap_dsp_platform_data *pdata = omap_dspbridge_dev->dev.platform_data; @@ -591,37 +674,23 @@ static int bridge_brd_stop(struct bridge_dev_context *dev_ctxt) dsp_wdt_enable(false); - /* Reset DSP */ - (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST1_IVA2_MASK, - OMAP3430_RST1_IVA2_MASK, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL); - + /* This is a good place to clear the MMU page tables as well */ + if (dev_context->pt_attrs) { + pt_attrs = dev_context->pt_attrs; + memset((u8 *) pt_attrs->l1_base_va, 0x00, pt_attrs->l1_size); + memset((u8 *) pt_attrs->l2_base_va, 0x00, pt_attrs->l2_size); + memset((u8 *) pt_attrs->pg_info, 0x00, + (pt_attrs->l2_num_pages * sizeof(struct page_info))); + } /* Disable the mailbox interrupts */ if (dev_context->mbox) { omap_mbox_disable_irq(dev_context->mbox, IRQ_RX); omap_mbox_put(dev_context->mbox); dev_context->mbox = NULL; } - if (dev_context->dsp_mmu) { - pr_err("Proc stop mmu if statement\n"); - for (i = 0; i < BRDIOCTL_NUMOFMMUTLB; i++) { - if (!tlb[i].ul_gpp_pa) - continue; - iommu_kunmap(dev_context->dsp_mmu, tlb[i].ul_gpp_va); - } - i = 0; - while (l4_peripheral_table[i].phys_addr) { - iommu_kunmap(dev_context->dsp_mmu, - l4_peripheral_table[i].dsp_virt_addr); - i++; - } - iommu_kunmap(dev_context->dsp_mmu, dev_context->sh_s.seg0_da); - iommu_kunmap(dev_context->dsp_mmu, dev_context->sh_s.seg1_da); - dsp_mmu_exit(dev_context->dsp_mmu); - dev_context->dsp_mmu = NULL; - } - /* Reset IVA IOMMU*/ - (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST2_IVA2_MASK, - OMAP3430_RST2_IVA2_MASK, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL); + /* Reset IVA2 clocks*/ + (*pdata->dsp_prm_write)(OMAP3430_RST1_IVA2_MASK | OMAP3430_RST2_IVA2_MASK | + OMAP3430_RST3_IVA2_MASK, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL); dsp_clock_disable_all(dev_context->dsp_per_clks); dsp_clk_disable(DSP_CLK_IVA2); @@ -681,6 +750,10 @@ static int bridge_dev_create(struct bridge_dev_context struct bridge_dev_context *dev_context = NULL; s32 entry_ndx; struct cfg_hostres *resources = config_param; + struct pg_table_attrs *pt_attrs; + u32 pg_tbl_pa; + u32 pg_tbl_va; + u32 align_size; struct drv_data *drv_datap = dev_get_drvdata(bridge); /* Allocate and initialize a data structure to contain the bridge driver @@ -711,8 +784,97 @@ static int bridge_dev_create(struct bridge_dev_context if (!dev_context->dw_dsp_base_addr) status = -EPERM; + pt_attrs = kzalloc(sizeof(struct pg_table_attrs), GFP_KERNEL); + if (pt_attrs != NULL) { + /* Assuming that we use only DSP's memory map + * until 0x4000:0000 , we would need only 1024 + * L1 enties i.e L1 size = 4K */ + pt_attrs->l1_size = 0x1000; + align_size = pt_attrs->l1_size; + /* Align sizes are expected to be power of 2 */ + /* we like to get aligned on L1 table size */ + pg_tbl_va = (u32) mem_alloc_phys_mem(pt_attrs->l1_size, + align_size, &pg_tbl_pa); + + /* Check if the PA is aligned for us */ + if ((pg_tbl_pa) & (align_size - 1)) { + /* PA not aligned to page table size , + * try with more allocation and align */ + mem_free_phys_mem((void *)pg_tbl_va, pg_tbl_pa, + pt_attrs->l1_size); + /* we like to get aligned on L1 table size */ + pg_tbl_va = + (u32) mem_alloc_phys_mem((pt_attrs->l1_size) * 2, + align_size, &pg_tbl_pa); + /* We should be able to get aligned table now */ + pt_attrs->l1_tbl_alloc_pa = pg_tbl_pa; + pt_attrs->l1_tbl_alloc_va = pg_tbl_va; + pt_attrs->l1_tbl_alloc_sz = pt_attrs->l1_size * 2; + /* Align the PA to the next 'align' boundary */ + pt_attrs->l1_base_pa = + ((pg_tbl_pa) + + (align_size - 1)) & (~(align_size - 1)); + pt_attrs->l1_base_va = + pg_tbl_va + (pt_attrs->l1_base_pa - pg_tbl_pa); + } else { + /* We got aligned PA, cool */ + pt_attrs->l1_tbl_alloc_pa = pg_tbl_pa; + pt_attrs->l1_tbl_alloc_va = pg_tbl_va; + pt_attrs->l1_tbl_alloc_sz = pt_attrs->l1_size; + pt_attrs->l1_base_pa = pg_tbl_pa; + pt_attrs->l1_base_va = pg_tbl_va; + } + if (pt_attrs->l1_base_va) + memset((u8 *) pt_attrs->l1_base_va, 0x00, + pt_attrs->l1_size); + + /* number of L2 page tables = DMM pool used + SHMMEM +EXTMEM + + * L4 pages */ + pt_attrs->l2_num_pages = ((DMMPOOLSIZE >> 20) + 6); + pt_attrs->l2_size = HW_MMU_COARSE_PAGE_SIZE * + pt_attrs->l2_num_pages; + align_size = 4; /* Make it u32 aligned */ + /* we like to get aligned on L1 table size */ + pg_tbl_va = (u32) mem_alloc_phys_mem(pt_attrs->l2_size, + align_size, &pg_tbl_pa); + pt_attrs->l2_tbl_alloc_pa = pg_tbl_pa; + pt_attrs->l2_tbl_alloc_va = pg_tbl_va; + pt_attrs->l2_tbl_alloc_sz = pt_attrs->l2_size; + pt_attrs->l2_base_pa = pg_tbl_pa; + pt_attrs->l2_base_va = pg_tbl_va; + + if (pt_attrs->l2_base_va) + memset((u8 *) pt_attrs->l2_base_va, 0x00, + pt_attrs->l2_size); + + pt_attrs->pg_info = kzalloc(pt_attrs->l2_num_pages * + sizeof(struct page_info), GFP_KERNEL); + dev_dbg(bridge, + "L1 pa %x, va %x, size %x\n L2 pa %x, va " + "%x, size %x\n", pt_attrs->l1_base_pa, + pt_attrs->l1_base_va, pt_attrs->l1_size, + pt_attrs->l2_base_pa, pt_attrs->l2_base_va, + pt_attrs->l2_size); + dev_dbg(bridge, "pt_attrs %p L2 NumPages %x pg_info %p\n", + pt_attrs, pt_attrs->l2_num_pages, pt_attrs->pg_info); + } + if ((pt_attrs != NULL) && (pt_attrs->l1_base_va != 0) && + (pt_attrs->l2_base_va != 0) && (pt_attrs->pg_info != NULL)) + dev_context->pt_attrs = pt_attrs; + else + status = -ENOMEM; + if (!status) { + spin_lock_init(&pt_attrs->pg_lock); dev_context->tc_word_swap_on = drv_datap->tc_wordswapon; + + /* Set the Clock Divisor for the DSP module */ + udelay(5); + /* MMU address is obtained from the host + * resources struct */ + dev_context->dw_dsp_mmu_base = resources->dw_dmmu_base; + } + if (!status) { dev_context->hdev_obj = hdev_obj; /* Store current board state. */ dev_context->dw_brd_state = BRD_UNKNOWN; @@ -722,6 +884,23 @@ static int bridge_dev_create(struct bridge_dev_context /* Return ptr to our device state to the DSP API for storage */ *dev_cntxt = dev_context; } else { + if (pt_attrs != NULL) { + kfree(pt_attrs->pg_info); + + if (pt_attrs->l2_tbl_alloc_va) { + mem_free_phys_mem((void *) + pt_attrs->l2_tbl_alloc_va, + pt_attrs->l2_tbl_alloc_pa, + pt_attrs->l2_tbl_alloc_sz); + } + if (pt_attrs->l1_tbl_alloc_va) { + mem_free_phys_mem((void *) + pt_attrs->l1_tbl_alloc_va, + pt_attrs->l1_tbl_alloc_pa, + pt_attrs->l1_tbl_alloc_sz); + } + } + kfree(pt_attrs); kfree(dev_context); } func_end: @@ -789,6 +968,7 @@ static int bridge_dev_ctrl(struct bridge_dev_context *dev_context, */ static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt) { + struct pg_table_attrs *pt_attrs; int status = 0; struct bridge_dev_context *dev_context = (struct bridge_dev_context *) dev_ctxt; @@ -802,6 +982,23 @@ static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt) /* first put the device to stop state */ bridge_brd_stop(dev_context); + if (dev_context->pt_attrs) { + pt_attrs = dev_context->pt_attrs; + kfree(pt_attrs->pg_info); + + if (pt_attrs->l2_tbl_alloc_va) { + mem_free_phys_mem((void *)pt_attrs->l2_tbl_alloc_va, + pt_attrs->l2_tbl_alloc_pa, + pt_attrs->l2_tbl_alloc_sz); + } + if (pt_attrs->l1_tbl_alloc_va) { + mem_free_phys_mem((void *)pt_attrs->l1_tbl_alloc_va, + pt_attrs->l1_tbl_alloc_pa, + pt_attrs->l1_tbl_alloc_sz); + } + kfree(pt_attrs); + + } if (dev_context->resources) { host_res = dev_context->resources; @@ -832,6 +1029,8 @@ static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt) iounmap((void *)host_res->dw_mem_base[3]); if (host_res->dw_mem_base[4]) iounmap((void *)host_res->dw_mem_base[4]); + if (host_res->dw_dmmu_base) + iounmap(host_res->dw_dmmu_base); if (host_res->dw_per_base) iounmap(host_res->dw_per_base); if (host_res->dw_per_pm_base) @@ -845,6 +1044,7 @@ static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt) host_res->dw_mem_base[2] = (u32) NULL; host_res->dw_mem_base[3] = (u32) NULL; host_res->dw_mem_base[4] = (u32) NULL; + host_res->dw_dmmu_base = NULL; host_res->dw_sys_ctrl_base = NULL; kfree(host_res); @@ -928,6 +1128,673 @@ static int bridge_brd_mem_write(struct bridge_dev_context *dev_ctxt, } /* + * ======== bridge_brd_mem_map ======== + * This function maps MPU buffer to the DSP address space. It performs + * linear to physical address translation if required. It translates each + * page since linear addresses can be physically non-contiguous + * All address & size arguments are assumed to be page aligned (in proc.c) + * + * TODO: Disable MMU while updating the page tables (but that'll stall DSP) + */ +static int bridge_brd_mem_map(struct bridge_dev_context *dev_ctxt, + u32 ul_mpu_addr, u32 virt_addr, + u32 ul_num_bytes, u32 ul_map_attr, + struct page **mapped_pages) +{ + u32 attrs; + int status = 0; + struct bridge_dev_context *dev_context = dev_ctxt; + struct hw_mmu_map_attrs_t hw_attrs; + struct vm_area_struct *vma; + struct mm_struct *mm = current->mm; + u32 write = 0; + u32 num_usr_pgs = 0; + struct page *mapped_page, *pg; + s32 pg_num; + u32 va = virt_addr; + struct task_struct *curr_task = current; + u32 pg_i = 0; + u32 mpu_addr, pa; + + dev_dbg(bridge, + "%s hDevCtxt %p, pa %x, va %x, size %x, ul_map_attr %x\n", + __func__, dev_ctxt, ul_mpu_addr, virt_addr, ul_num_bytes, + ul_map_attr); + if (ul_num_bytes == 0) + return -EINVAL; + + if (ul_map_attr & DSP_MAP_DIR_MASK) { + attrs = ul_map_attr; + } else { + /* Assign default attributes */ + attrs = ul_map_attr | (DSP_MAPVIRTUALADDR | DSP_MAPELEMSIZE16); + } + /* Take mapping properties */ + if (attrs & DSP_MAPBIGENDIAN) + hw_attrs.endianism = HW_BIG_ENDIAN; + else + hw_attrs.endianism = HW_LITTLE_ENDIAN; + + hw_attrs.mixed_size = (enum hw_mmu_mixed_size_t) + ((attrs & DSP_MAPMIXEDELEMSIZE) >> 2); + /* Ignore element_size if mixed_size is enabled */ + if (hw_attrs.mixed_size == 0) { + if (attrs & DSP_MAPELEMSIZE8) { + /* Size is 8 bit */ + hw_attrs.element_size = HW_ELEM_SIZE8BIT; + } else if (attrs & DSP_MAPELEMSIZE16) { + /* Size is 16 bit */ + hw_attrs.element_size = HW_ELEM_SIZE16BIT; + } else if (attrs & DSP_MAPELEMSIZE32) { + /* Size is 32 bit */ + hw_attrs.element_size = HW_ELEM_SIZE32BIT; + } else if (attrs & DSP_MAPELEMSIZE64) { + /* Size is 64 bit */ + hw_attrs.element_size = HW_ELEM_SIZE64BIT; + } else { + /* + * Mixedsize isn't enabled, so size can't be + * zero here + */ + return -EINVAL; + } + } + if (attrs & DSP_MAPDONOTLOCK) + hw_attrs.donotlockmpupage = 1; + else + hw_attrs.donotlockmpupage = 0; + + if (attrs & DSP_MAPVMALLOCADDR) { + return mem_map_vmalloc(dev_ctxt, ul_mpu_addr, virt_addr, + ul_num_bytes, &hw_attrs); + } + /* + * Do OS-specific user-va to pa translation. + * Combine physically contiguous regions to reduce TLBs. + * Pass the translated pa to pte_update. + */ + if ((attrs & DSP_MAPPHYSICALADDR)) { + status = pte_update(dev_context, ul_mpu_addr, virt_addr, + ul_num_bytes, &hw_attrs); + goto func_cont; + } + + /* + * Important Note: ul_mpu_addr is mapped from user application process + * to current process - it must lie completely within the current + * virtual memory address space in order to be of use to us here! + */ + down_read(&mm->mmap_sem); + vma = find_vma(mm, ul_mpu_addr); + if (vma) + dev_dbg(bridge, + "VMAfor UserBuf: ul_mpu_addr=%x, ul_num_bytes=%x, " + "vm_start=%lx, vm_end=%lx, vm_flags=%lx\n", ul_mpu_addr, + ul_num_bytes, vma->vm_start, vma->vm_end, + vma->vm_flags); + + /* + * It is observed that under some circumstances, the user buffer is + * spread across several VMAs. So loop through and check if the entire + * user buffer is covered + */ + while ((vma) && (ul_mpu_addr + ul_num_bytes > vma->vm_end)) { + /* jump to the next VMA region */ + vma = find_vma(mm, vma->vm_end + 1); + dev_dbg(bridge, + "VMA for UserBuf ul_mpu_addr=%x ul_num_bytes=%x, " + "vm_start=%lx, vm_end=%lx, vm_flags=%lx\n", ul_mpu_addr, + ul_num_bytes, vma->vm_start, vma->vm_end, + vma->vm_flags); + } + if (!vma) { + pr_err("%s: Failed to get VMA region for 0x%x (%d)\n", + __func__, ul_mpu_addr, ul_num_bytes); + status = -EINVAL; + up_read(&mm->mmap_sem); + goto func_cont; + } + + if (vma->vm_flags & VM_IO) { + num_usr_pgs = ul_num_bytes / PG_SIZE4K; + mpu_addr = ul_mpu_addr; + + /* Get the physical addresses for user buffer */ + for (pg_i = 0; pg_i < num_usr_pgs; pg_i++) { + pa = user_va2_pa(mm, mpu_addr); + if (!pa) { + status = -EPERM; + pr_err("DSPBRIDGE: VM_IO mapping physical" + "address is invalid\n"); + break; + } + if (pfn_valid(__phys_to_pfn(pa))) { + pg = PHYS_TO_PAGE(pa); + get_page(pg); + if (page_count(pg) < 1) { + pr_err("Bad page in VM_IO buffer\n"); + bad_page_dump(pa, pg); + } + } + status = pte_set(dev_context->pt_attrs, pa, + va, HW_PAGE_SIZE4KB, &hw_attrs); + if (status) + break; + + va += HW_PAGE_SIZE4KB; + mpu_addr += HW_PAGE_SIZE4KB; + pa += HW_PAGE_SIZE4KB; + } + } else { + num_usr_pgs = ul_num_bytes / PG_SIZE4K; + if (vma->vm_flags & (VM_WRITE | VM_MAYWRITE)) + write = 1; + + for (pg_i = 0; pg_i < num_usr_pgs; pg_i++) { + pg_num = get_user_pages(curr_task, mm, ul_mpu_addr, 1, + write, 1, &mapped_page, NULL); + if (pg_num > 0) { + if (page_count(mapped_page) < 1) { + pr_err("Bad page count after doing" + "get_user_pages on" + "user buffer\n"); + bad_page_dump(page_to_phys(mapped_page), + mapped_page); + } + status = pte_set(dev_context->pt_attrs, + page_to_phys(mapped_page), va, + HW_PAGE_SIZE4KB, &hw_attrs); + if (status) + break; + + if (mapped_pages) + mapped_pages[pg_i] = mapped_page; + + va += HW_PAGE_SIZE4KB; + ul_mpu_addr += HW_PAGE_SIZE4KB; + } else { + pr_err("DSPBRIDGE: get_user_pages FAILED," + "MPU addr = 0x%x," + "vma->vm_flags = 0x%lx," + "get_user_pages Err" + "Value = %d, Buffer" + "size=0x%x\n", ul_mpu_addr, + vma->vm_flags, pg_num, ul_num_bytes); + status = -EPERM; + break; + } + } + } + up_read(&mm->mmap_sem); +func_cont: + if (status) { + /* + * Roll out the mapped pages incase it failed in middle of + * mapping + */ + if (pg_i) { + bridge_brd_mem_un_map(dev_context, virt_addr, + (pg_i * PG_SIZE4K)); + } + status = -EPERM; + } + /* + * In any case, flush the TLB + * This is called from here instead from pte_update to avoid unnecessary + * repetition while mapping non-contiguous physical regions of a virtual + * region + */ + flush_all(dev_context); + dev_dbg(bridge, "%s status %x\n", __func__, status); + return status; +} + +/* + * ======== bridge_brd_mem_un_map ======== + * Invalidate the PTEs for the DSP VA block to be unmapped. + * + * PTEs of a mapped memory block are contiguous in any page table + * So, instead of looking up the PTE address for every 4K block, + * we clear consecutive PTEs until we unmap all the bytes + */ +static int bridge_brd_mem_un_map(struct bridge_dev_context *dev_ctxt, + u32 virt_addr, u32 ul_num_bytes) +{ + u32 l1_base_va; + u32 l2_base_va; + u32 l2_base_pa; + u32 l2_page_num; + u32 pte_val; + u32 pte_size; + u32 pte_count; + u32 pte_addr_l1; + u32 pte_addr_l2 = 0; + u32 rem_bytes; + u32 rem_bytes_l2; + u32 va_curr; + struct page *pg = NULL; + int status = 0; + struct bridge_dev_context *dev_context = dev_ctxt; + struct pg_table_attrs *pt = dev_context->pt_attrs; + u32 temp; + u32 paddr; + u32 numof4k_pages = 0; + + va_curr = virt_addr; + rem_bytes = ul_num_bytes; + rem_bytes_l2 = 0; + l1_base_va = pt->l1_base_va; + pte_addr_l1 = hw_mmu_pte_addr_l1(l1_base_va, va_curr); + dev_dbg(bridge, "%s dev_ctxt %p, va %x, NumBytes %x l1_base_va %x, " + "pte_addr_l1 %x\n", __func__, dev_ctxt, virt_addr, + ul_num_bytes, l1_base_va, pte_addr_l1); + + while (rem_bytes && !status) { + u32 va_curr_orig = va_curr; + /* Find whether the L1 PTE points to a valid L2 PT */ + pte_addr_l1 = hw_mmu_pte_addr_l1(l1_base_va, va_curr); + pte_val = *(u32 *) pte_addr_l1; + pte_size = hw_mmu_pte_size_l1(pte_val); + + if (pte_size != HW_MMU_COARSE_PAGE_SIZE) + goto skip_coarse_page; + + /* + * Get the L2 PA from the L1 PTE, and find + * corresponding L2 VA + */ + l2_base_pa = hw_mmu_pte_coarse_l1(pte_val); + l2_base_va = l2_base_pa - pt->l2_base_pa + pt->l2_base_va; + l2_page_num = + (l2_base_pa - pt->l2_base_pa) / HW_MMU_COARSE_PAGE_SIZE; + /* + * Find the L2 PTE address from which we will start + * clearing, the number of PTEs to be cleared on this + * page, and the size of VA space that needs to be + * cleared on this L2 page + */ + pte_addr_l2 = hw_mmu_pte_addr_l2(l2_base_va, va_curr); + pte_count = pte_addr_l2 & (HW_MMU_COARSE_PAGE_SIZE - 1); + pte_count = (HW_MMU_COARSE_PAGE_SIZE - pte_count) / sizeof(u32); + if (rem_bytes < (pte_count * PG_SIZE4K)) + pte_count = rem_bytes / PG_SIZE4K; + rem_bytes_l2 = pte_count * PG_SIZE4K; + + /* + * Unmap the VA space on this L2 PT. A quicker way + * would be to clear pte_count entries starting from + * pte_addr_l2. However, below code checks that we don't + * clear invalid entries or less than 64KB for a 64KB + * entry. Similar checking is done for L1 PTEs too + * below + */ + while (rem_bytes_l2 && !status) { + pte_val = *(u32 *) pte_addr_l2; + pte_size = hw_mmu_pte_size_l2(pte_val); + /* va_curr aligned to pte_size? */ + if (pte_size == 0 || rem_bytes_l2 < pte_size || + va_curr & (pte_size - 1)) { + status = -EPERM; + break; + } + + /* Collect Physical addresses from VA */ + paddr = (pte_val & ~(pte_size - 1)); + if (pte_size == HW_PAGE_SIZE64KB) + numof4k_pages = 16; + else + numof4k_pages = 1; + temp = 0; + while (temp++ < numof4k_pages) { + if (!pfn_valid(__phys_to_pfn(paddr))) { + paddr += HW_PAGE_SIZE4KB; + continue; + } + pg = PHYS_TO_PAGE(paddr); + if (page_count(pg) < 1) { + pr_info("DSPBRIDGE: UNMAP function: " + "COUNT 0 FOR PA 0x%x, size = " + "0x%x\n", paddr, ul_num_bytes); + bad_page_dump(paddr, pg); + } else { + set_page_dirty(pg); + page_cache_release(pg); + } + paddr += HW_PAGE_SIZE4KB; + } + if (hw_mmu_pte_clear(pte_addr_l2, va_curr, pte_size)) { + status = -EPERM; + goto EXIT_LOOP; + } + + status = 0; + rem_bytes_l2 -= pte_size; + va_curr += pte_size; + pte_addr_l2 += (pte_size >> 12) * sizeof(u32); + } + spin_lock(&pt->pg_lock); + if (rem_bytes_l2 == 0) { + pt->pg_info[l2_page_num].num_entries -= pte_count; + if (pt->pg_info[l2_page_num].num_entries == 0) { + /* + * Clear the L1 PTE pointing to the L2 PT + */ + if (!hw_mmu_pte_clear(l1_base_va, va_curr_orig, + HW_MMU_COARSE_PAGE_SIZE)) + status = 0; + else { + status = -EPERM; + spin_unlock(&pt->pg_lock); + goto EXIT_LOOP; + } + } + rem_bytes -= pte_count * PG_SIZE4K; + } else + status = -EPERM; + + spin_unlock(&pt->pg_lock); + continue; +skip_coarse_page: + /* va_curr aligned to pte_size? */ + /* pte_size = 1 MB or 16 MB */ + if (pte_size == 0 || rem_bytes < pte_size || + va_curr & (pte_size - 1)) { + status = -EPERM; + break; + } + + if (pte_size == HW_PAGE_SIZE1MB) + numof4k_pages = 256; + else + numof4k_pages = 4096; + temp = 0; + /* Collect Physical addresses from VA */ + paddr = (pte_val & ~(pte_size - 1)); + while (temp++ < numof4k_pages) { + if (pfn_valid(__phys_to_pfn(paddr))) { + pg = PHYS_TO_PAGE(paddr); + if (page_count(pg) < 1) { + pr_info("DSPBRIDGE: UNMAP function: " + "COUNT 0 FOR PA 0x%x, size = " + "0x%x\n", paddr, ul_num_bytes); + bad_page_dump(paddr, pg); + } else { + set_page_dirty(pg); + page_cache_release(pg); + } + } + paddr += HW_PAGE_SIZE4KB; + } + if (!hw_mmu_pte_clear(l1_base_va, va_curr, pte_size)) { + status = 0; + rem_bytes -= pte_size; + va_curr += pte_size; + } else { + status = -EPERM; + goto EXIT_LOOP; + } + } + /* + * It is better to flush the TLB here, so that any stale old entries + * get flushed + */ +EXIT_LOOP: + flush_all(dev_context); + dev_dbg(bridge, + "%s: va_curr %x, pte_addr_l1 %x pte_addr_l2 %x rem_bytes %x," + " rem_bytes_l2 %x status %x\n", __func__, va_curr, pte_addr_l1, + pte_addr_l2, rem_bytes, rem_bytes_l2, status); + return status; +} + +/* + * ======== user_va2_pa ======== + * Purpose: + * This function walks through the page tables to convert a userland + * virtual address to physical address + */ +static u32 user_va2_pa(struct mm_struct *mm, u32 address) +{ + pgd_t *pgd; + pmd_t *pmd; + pte_t *ptep, pte; + + pgd = pgd_offset(mm, address); + if (!(pgd_none(*pgd) || pgd_bad(*pgd))) { + pmd = pmd_offset(pgd, address); + if (!(pmd_none(*pmd) || pmd_bad(*pmd))) { + ptep = pte_offset_map(pmd, address); + if (ptep) { + pte = *ptep; + if (pte_present(pte)) + return pte & PAGE_MASK; + } + } + } + + return 0; +} + +/* + * ======== pte_update ======== + * This function calculates the optimum page-aligned addresses and sizes + * Caller must pass page-aligned values + */ +static int pte_update(struct bridge_dev_context *dev_ctxt, u32 pa, + u32 va, u32 size, + struct hw_mmu_map_attrs_t *map_attrs) +{ + u32 i; + u32 all_bits; + u32 pa_curr = pa; + u32 va_curr = va; + u32 num_bytes = size; + struct bridge_dev_context *dev_context = dev_ctxt; + int status = 0; + u32 page_size[] = { HW_PAGE_SIZE16MB, HW_PAGE_SIZE1MB, + HW_PAGE_SIZE64KB, HW_PAGE_SIZE4KB + }; + + while (num_bytes && !status) { + /* To find the max. page size with which both PA & VA are + * aligned */ + all_bits = pa_curr | va_curr; + + for (i = 0; i < 4; i++) { + if ((num_bytes >= page_size[i]) && ((all_bits & + (page_size[i] - + 1)) == 0)) { + status = + pte_set(dev_context->pt_attrs, pa_curr, + va_curr, page_size[i], map_attrs); + pa_curr += page_size[i]; + va_curr += page_size[i]; + num_bytes -= page_size[i]; + /* Don't try smaller sizes. Hopefully we have + * reached an address aligned to a bigger page + * size */ + break; + } + } + } + + return status; +} + +/* + * ======== pte_set ======== + * This function calculates PTE address (MPU virtual) to be updated + * It also manages the L2 page tables + */ +static int pte_set(struct pg_table_attrs *pt, u32 pa, u32 va, + u32 size, struct hw_mmu_map_attrs_t *attrs) +{ + u32 i; + u32 pte_val; + u32 pte_addr_l1; + u32 pte_size; + /* Base address of the PT that will be updated */ + u32 pg_tbl_va; + u32 l1_base_va; + /* Compiler warns that the next three variables might be used + * uninitialized in this function. Doesn't seem so. Working around, + * anyways. */ + u32 l2_base_va = 0; + u32 l2_base_pa = 0; + u32 l2_page_num = 0; + int status = 0; + + l1_base_va = pt->l1_base_va; + pg_tbl_va = l1_base_va; + if ((size == HW_PAGE_SIZE64KB) || (size == HW_PAGE_SIZE4KB)) { + /* Find whether the L1 PTE points to a valid L2 PT */ + pte_addr_l1 = hw_mmu_pte_addr_l1(l1_base_va, va); + if (pte_addr_l1 <= (pt->l1_base_va + pt->l1_size)) { + pte_val = *(u32 *) pte_addr_l1; + pte_size = hw_mmu_pte_size_l1(pte_val); + } else { + return -EPERM; + } + spin_lock(&pt->pg_lock); + if (pte_size == HW_MMU_COARSE_PAGE_SIZE) { + /* Get the L2 PA from the L1 PTE, and find + * corresponding L2 VA */ + l2_base_pa = hw_mmu_pte_coarse_l1(pte_val); + l2_base_va = + l2_base_pa - pt->l2_base_pa + pt->l2_base_va; + l2_page_num = + (l2_base_pa - + pt->l2_base_pa) / HW_MMU_COARSE_PAGE_SIZE; + } else if (pte_size == 0) { + /* L1 PTE is invalid. Allocate a L2 PT and + * point the L1 PTE to it */ + /* Find a free L2 PT. */ + for (i = 0; (i < pt->l2_num_pages) && + (pt->pg_info[i].num_entries != 0); i++) + ;; + if (i < pt->l2_num_pages) { + l2_page_num = i; + l2_base_pa = pt->l2_base_pa + (l2_page_num * + HW_MMU_COARSE_PAGE_SIZE); + l2_base_va = pt->l2_base_va + (l2_page_num * + HW_MMU_COARSE_PAGE_SIZE); + /* Endianness attributes are ignored for + * HW_MMU_COARSE_PAGE_SIZE */ + status = + hw_mmu_pte_set(l1_base_va, l2_base_pa, va, + HW_MMU_COARSE_PAGE_SIZE, + attrs); + } else { + status = -ENOMEM; + } + } else { + /* Found valid L1 PTE of another size. + * Should not overwrite it. */ + status = -EPERM; + } + if (!status) { + pg_tbl_va = l2_base_va; + if (size == HW_PAGE_SIZE64KB) + pt->pg_info[l2_page_num].num_entries += 16; + else + pt->pg_info[l2_page_num].num_entries++; + dev_dbg(bridge, "PTE: L2 BaseVa %x, BasePa %x, PageNum " + "%x, num_entries %x\n", l2_base_va, + l2_base_pa, l2_page_num, + pt->pg_info[l2_page_num].num_entries); + } + spin_unlock(&pt->pg_lock); + } + if (!status) { + dev_dbg(bridge, "PTE: pg_tbl_va %x, pa %x, va %x, size %x\n", + pg_tbl_va, pa, va, size); + dev_dbg(bridge, "PTE: endianism %x, element_size %x, " + "mixed_size %x\n", attrs->endianism, + attrs->element_size, attrs->mixed_size); + status = hw_mmu_pte_set(pg_tbl_va, pa, va, size, attrs); + } + + return status; +} + +/* Memory map kernel VA -- memory allocated with vmalloc */ +static int mem_map_vmalloc(struct bridge_dev_context *dev_context, + u32 ul_mpu_addr, u32 virt_addr, + u32 ul_num_bytes, + struct hw_mmu_map_attrs_t *hw_attrs) +{ + int status = 0; + struct page *page[1]; + u32 i; + u32 pa_curr; + u32 pa_next; + u32 va_curr; + u32 size_curr; + u32 num_pages; + u32 pa; + u32 num_of4k_pages; + u32 temp = 0; + + /* + * Do Kernel va to pa translation. + * Combine physically contiguous regions to reduce TLBs. + * Pass the translated pa to pte_update. + */ + num_pages = ul_num_bytes / PAGE_SIZE; /* PAGE_SIZE = OS page size */ + i = 0; + va_curr = ul_mpu_addr; + page[0] = vmalloc_to_page((void *)va_curr); + pa_next = page_to_phys(page[0]); + while (!status && (i < num_pages)) { + /* + * Reuse pa_next from the previous iteraion to avoid + * an extra va2pa call + */ + pa_curr = pa_next; + size_curr = PAGE_SIZE; + /* + * If the next page is physically contiguous, + * map it with the current one by increasing + * the size of the region to be mapped + */ + while (++i < num_pages) { + page[0] = + vmalloc_to_page((void *)(va_curr + size_curr)); + pa_next = page_to_phys(page[0]); + + if (pa_next == (pa_curr + size_curr)) + size_curr += PAGE_SIZE; + else + break; + + } + if (pa_next == 0) { + status = -ENOMEM; + break; + } + pa = pa_curr; + num_of4k_pages = size_curr / HW_PAGE_SIZE4KB; + while (temp++ < num_of4k_pages) { + get_page(PHYS_TO_PAGE(pa)); + pa += HW_PAGE_SIZE4KB; + } + status = pte_update(dev_context, pa_curr, virt_addr + + (va_curr - ul_mpu_addr), size_curr, + hw_attrs); + va_curr += size_curr; + } + /* + * In any case, flush the TLB + * This is called from here instead from pte_update to avoid unnecessary + * repetition while mapping non-contiguous physical regions of a virtual + * region + */ + flush_all(dev_context); + dev_dbg(bridge, "%s status %x\n", __func__, status); + return status; +} + +/* * ======== wait_for_start ======== * Wait for the singal from DSP that it has started, or time out. */ diff --git a/drivers/staging/tidspbridge/core/tiomap3430_pwr.c b/drivers/staging/tidspbridge/core/tiomap3430_pwr.c index b57a9fd5e75..fb9026e1403 100644 --- a/drivers/staging/tidspbridge/core/tiomap3430_pwr.c +++ b/drivers/staging/tidspbridge/core/tiomap3430_pwr.c @@ -31,6 +31,10 @@ #include <dspbridge/dev.h> #include <dspbridge/iodefs.h> +/* ------------------------------------ Hardware Abstraction Layer */ +#include <hw_defs.h> +#include <hw_mmu.h> + #include <dspbridge/pwr_sh.h> /* ----------------------------------- Bridge Driver */ diff --git a/drivers/staging/tidspbridge/core/tiomap_io.c b/drivers/staging/tidspbridge/core/tiomap_io.c index 66dbf02549e..ba2961049da 100644 --- a/drivers/staging/tidspbridge/core/tiomap_io.c +++ b/drivers/staging/tidspbridge/core/tiomap_io.c @@ -134,16 +134,17 @@ int read_ext_dsp_data(struct bridge_dev_context *dev_ctxt, if (!status) { ul_tlb_base_virt = - dev_context->sh_s.seg0_da * DSPWORDSIZE; + dev_context->atlb_entry[0].ul_dsp_va * DSPWORDSIZE; DBC_ASSERT(ul_tlb_base_virt <= ul_shm_base_virt); - dw_ext_prog_virt_mem = dev_context->sh_s.seg0_va; + dw_ext_prog_virt_mem = + dev_context->atlb_entry[0].ul_gpp_va; if (!trace_read) { ul_shm_offset_virt = ul_shm_base_virt - ul_tlb_base_virt; ul_shm_offset_virt += PG_ALIGN_HIGH(ul_ext_end - ul_dyn_ext_base + - 1, PAGE_SIZE * 16); + 1, HW_PAGE_SIZE64KB); dw_ext_prog_virt_mem -= ul_shm_offset_virt; dw_ext_prog_virt_mem += (ul_ext_base - ul_dyn_ext_base); @@ -317,9 +318,8 @@ int write_ext_dsp_data(struct bridge_dev_context *dev_context, ret = -EPERM; if (!ret) { - ul_tlb_base_virt = dev_context->sh_s.seg0_da * - DSPWORDSIZE; - + ul_tlb_base_virt = + dev_context->atlb_entry[0].ul_dsp_va * DSPWORDSIZE; DBC_ASSERT(ul_tlb_base_virt <= ul_shm_base_virt); if (symbols_reloaded) { @@ -337,7 +337,7 @@ int write_ext_dsp_data(struct bridge_dev_context *dev_context, ul_shm_base_virt - ul_tlb_base_virt; if (trace_load) { dw_ext_prog_virt_mem = - dev_context->sh_s.seg0_va; + dev_context->atlb_entry[0].ul_gpp_va; } else { dw_ext_prog_virt_mem = host_res->dw_mem_base[1]; dw_ext_prog_virt_mem += @@ -393,6 +393,7 @@ int sm_interrupt_dsp(struct bridge_dev_context *dev_context, u16 mb_val) omap_dspbridge_dev->dev.platform_data; struct cfg_hostres *resources = dev_context->resources; int status = 0; + u32 temp; if (!dev_context->mbox) return 0; @@ -436,7 +437,7 @@ int sm_interrupt_dsp(struct bridge_dev_context *dev_context, u16 mb_val) omap_mbox_restore_ctx(dev_context->mbox); /* Access MMU SYS CONFIG register to generate a short wakeup */ - iommu_read_reg(dev_context->dsp_mmu, MMU_SYSCONFIG); + temp = readl(resources->dw_dmmu_base + 0x10); dev_context->dw_brd_state = BRD_RUNNING; } else if (dev_context->dw_brd_state == BRD_RETENTION) { diff --git a/drivers/staging/tidspbridge/core/ue_deh.c b/drivers/staging/tidspbridge/core/ue_deh.c index e24ea0c7391..3430418190d 100644 --- a/drivers/staging/tidspbridge/core/ue_deh.c +++ b/drivers/staging/tidspbridge/core/ue_deh.c @@ -31,6 +31,57 @@ #include <dspbridge/drv.h> #include <dspbridge/wdt.h> +static u32 fault_addr; + +static void mmu_fault_dpc(unsigned long data) +{ + struct deh_mgr *deh = (void *)data; + + if (!deh) + return; + + bridge_deh_notify(deh, DSP_MMUFAULT, 0); +} + +static irqreturn_t mmu_fault_isr(int irq, void *data) +{ + struct deh_mgr *deh = data; + struct cfg_hostres *resources; + u32 event; + + if (!deh) + return IRQ_HANDLED; + + resources = deh->hbridge_context->resources; + if (!resources) { + dev_dbg(bridge, "%s: Failed to get Host Resources\n", + __func__); + return IRQ_HANDLED; + } + + hw_mmu_event_status(resources->dw_dmmu_base, &event); + if (event == HW_MMU_TRANSLATION_FAULT) { + hw_mmu_fault_addr_read(resources->dw_dmmu_base, &fault_addr); + dev_dbg(bridge, "%s: event=0x%x, fault_addr=0x%x\n", __func__, + event, fault_addr); + /* + * Schedule a DPC directly. In the future, it may be + * necessary to check if DSP MMU fault is intended for + * Bridge. + */ + tasklet_schedule(&deh->dpc_tasklet); + + /* Disable the MMU events, else once we clear it will + * start to raise INTs again */ + hw_mmu_event_disable(resources->dw_dmmu_base, + HW_MMU_TRANSLATION_FAULT); + } else { + hw_mmu_event_disable(resources->dw_dmmu_base, + HW_MMU_ALL_INTERRUPTS); + } + return IRQ_HANDLED; +} + int bridge_deh_create(struct deh_mgr **ret_deh, struct dev_object *hdev_obj) { @@ -58,9 +109,18 @@ int bridge_deh_create(struct deh_mgr **ret_deh, } ntfy_init(deh->ntfy_obj); + /* Create a MMUfault DPC */ + tasklet_init(&deh->dpc_tasklet, mmu_fault_dpc, (u32) deh); + /* Fill in context structure */ deh->hbridge_context = hbridge_context; + /* Install ISR function for DSP MMU fault */ + status = request_irq(INT_DSP_MMU_IRQ, mmu_fault_isr, 0, + "DspBridge\tiommu fault", deh); + if (status < 0) + goto err; + *ret_deh = deh; return 0; @@ -80,6 +140,11 @@ int bridge_deh_destroy(struct deh_mgr *deh) ntfy_delete(deh->ntfy_obj); kfree(deh->ntfy_obj); } + /* Disable DSP MMU fault */ + free_irq(INT_DSP_MMU_IRQ, deh); + + /* Free DPC object */ + tasklet_kill(&deh->dpc_tasklet); /* Deallocate the DEH manager object */ kfree(deh); @@ -101,6 +166,48 @@ int bridge_deh_register_notify(struct deh_mgr *deh, u32 event_mask, return ntfy_unregister(deh->ntfy_obj, hnotification); } +#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE +static void mmu_fault_print_stack(struct bridge_dev_context *dev_context) +{ + struct cfg_hostres *resources; + struct hw_mmu_map_attrs_t map_attrs = { + .endianism = HW_LITTLE_ENDIAN, + .element_size = HW_ELEM_SIZE16BIT, + .mixed_size = HW_MMU_CPUES, + }; + void *dummy_va_addr; + + resources = dev_context->resources; + dummy_va_addr = (void*)__get_free_page(GFP_ATOMIC); + + /* + * Before acking the MMU fault, let's make sure MMU can only + * access entry #0. Then add a new entry so that the DSP OS + * can continue in order to dump the stack. + */ + hw_mmu_twl_disable(resources->dw_dmmu_base); + hw_mmu_tlb_flush_all(resources->dw_dmmu_base); + + hw_mmu_tlb_add(resources->dw_dmmu_base, + virt_to_phys(dummy_va_addr), fault_addr, + HW_PAGE_SIZE4KB, 1, + &map_attrs, HW_SET, HW_SET); + + dsp_clk_enable(DSP_CLK_GPT8); + + dsp_gpt_wait_overflow(DSP_CLK_GPT8, 0xfffffffe); + + /* Clear MMU interrupt */ + hw_mmu_event_ack(resources->dw_dmmu_base, + HW_MMU_TRANSLATION_FAULT); + dump_dsp_stack(dev_context); + dsp_clk_disable(DSP_CLK_GPT8); + + hw_mmu_disable(resources->dw_dmmu_base); + free_page((unsigned long)dummy_va_addr); +} +#endif + static inline const char *event_to_string(int event) { switch (event) { @@ -133,7 +240,13 @@ void bridge_deh_notify(struct deh_mgr *deh, int event, int info) #endif break; case DSP_MMUFAULT: - dev_err(bridge, "%s: %s, addr=0x%x", __func__, str, info); + dev_err(bridge, "%s: %s, addr=0x%x", __func__, + str, fault_addr); +#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE + print_dsp_trace_buffer(dev_context); + dump_dl_modules(dev_context); + mmu_fault_print_stack(dev_context); +#endif break; default: dev_err(bridge, "%s: %s", __func__, str); diff --git a/drivers/staging/tidspbridge/hw/EasiGlobal.h b/drivers/staging/tidspbridge/hw/EasiGlobal.h new file mode 100644 index 00000000000..e48d7f67c60 --- /dev/null +++ b/drivers/staging/tidspbridge/hw/EasiGlobal.h @@ -0,0 +1,41 @@ +/* + * EasiGlobal.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2007 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _EASIGLOBAL_H +#define _EASIGLOBAL_H +#include <linux/types.h> + +/* + * DEFINE: READ_ONLY, WRITE_ONLY & READ_WRITE + * + * DESCRIPTION: Defines used to describe register types for EASI-checker tests. + */ + +#define READ_ONLY 1 +#define WRITE_ONLY 2 +#define READ_WRITE 3 + +/* + * MACRO: _DEBUG_LEVEL1_EASI + * + * DESCRIPTION: A MACRO which can be used to indicate that a particular beach + * register access function was called. + * + * NOTE: We currently dont use this functionality. + */ +#define _DEBUG_LEVEL1_EASI(easi_num) ((void)0) + +#endif /* _EASIGLOBAL_H */ diff --git a/drivers/staging/tidspbridge/hw/MMUAccInt.h b/drivers/staging/tidspbridge/hw/MMUAccInt.h new file mode 100644 index 00000000000..1cefca321d7 --- /dev/null +++ b/drivers/staging/tidspbridge/hw/MMUAccInt.h @@ -0,0 +1,76 @@ +/* + * MMUAccInt.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2007 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _MMU_ACC_INT_H +#define _MMU_ACC_INT_H + +/* Mappings of level 1 EASI function numbers to function names */ + +#define EASIL1_MMUMMU_SYSCONFIG_READ_REGISTER32 (MMU_BASE_EASIL1 + 3) +#define EASIL1_MMUMMU_SYSCONFIG_IDLE_MODE_WRITE32 (MMU_BASE_EASIL1 + 17) +#define EASIL1_MMUMMU_SYSCONFIG_AUTO_IDLE_WRITE32 (MMU_BASE_EASIL1 + 39) +#define EASIL1_MMUMMU_IRQSTATUS_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 51) +#define EASIL1_MMUMMU_IRQENABLE_READ_REGISTER32 (MMU_BASE_EASIL1 + 102) +#define EASIL1_MMUMMU_IRQENABLE_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 103) +#define EASIL1_MMUMMU_WALKING_STTWL_RUNNING_READ32 (MMU_BASE_EASIL1 + 156) +#define EASIL1_MMUMMU_CNTLTWL_ENABLE_READ32 (MMU_BASE_EASIL1 + 174) +#define EASIL1_MMUMMU_CNTLTWL_ENABLE_WRITE32 (MMU_BASE_EASIL1 + 180) +#define EASIL1_MMUMMU_CNTLMMU_ENABLE_WRITE32 (MMU_BASE_EASIL1 + 190) +#define EASIL1_MMUMMU_FAULT_AD_READ_REGISTER32 (MMU_BASE_EASIL1 + 194) +#define EASIL1_MMUMMU_TTB_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 198) +#define EASIL1_MMUMMU_LOCK_READ_REGISTER32 (MMU_BASE_EASIL1 + 203) +#define EASIL1_MMUMMU_LOCK_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 204) +#define EASIL1_MMUMMU_LOCK_BASE_VALUE_READ32 (MMU_BASE_EASIL1 + 205) +#define EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_READ32 (MMU_BASE_EASIL1 + 209) +#define EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_WRITE32 (MMU_BASE_EASIL1 + 211) +#define EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_SET32 (MMU_BASE_EASIL1 + 212) +#define EASIL1_MMUMMU_LD_TLB_READ_REGISTER32 (MMU_BASE_EASIL1 + 213) +#define EASIL1_MMUMMU_LD_TLB_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 214) +#define EASIL1_MMUMMU_CAM_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 226) +#define EASIL1_MMUMMU_RAM_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 268) +#define EASIL1_MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 322) + +/* Register offset address definitions */ +#define MMU_MMU_SYSCONFIG_OFFSET 0x10 +#define MMU_MMU_IRQSTATUS_OFFSET 0x18 +#define MMU_MMU_IRQENABLE_OFFSET 0x1c +#define MMU_MMU_WALKING_ST_OFFSET 0x40 +#define MMU_MMU_CNTL_OFFSET 0x44 +#define MMU_MMU_FAULT_AD_OFFSET 0x48 +#define MMU_MMU_TTB_OFFSET 0x4c +#define MMU_MMU_LOCK_OFFSET 0x50 +#define MMU_MMU_LD_TLB_OFFSET 0x54 +#define MMU_MMU_CAM_OFFSET 0x58 +#define MMU_MMU_RAM_OFFSET 0x5c +#define MMU_MMU_GFLUSH_OFFSET 0x60 +#define MMU_MMU_FLUSH_ENTRY_OFFSET 0x64 +/* Bitfield mask and offset declarations */ +#define MMU_MMU_SYSCONFIG_IDLE_MODE_MASK 0x18 +#define MMU_MMU_SYSCONFIG_IDLE_MODE_OFFSET 3 +#define MMU_MMU_SYSCONFIG_AUTO_IDLE_MASK 0x1 +#define MMU_MMU_SYSCONFIG_AUTO_IDLE_OFFSET 0 +#define MMU_MMU_WALKING_ST_TWL_RUNNING_MASK 0x1 +#define MMU_MMU_WALKING_ST_TWL_RUNNING_OFFSET 0 +#define MMU_MMU_CNTL_TWL_ENABLE_MASK 0x4 +#define MMU_MMU_CNTL_TWL_ENABLE_OFFSET 2 +#define MMU_MMU_CNTL_MMU_ENABLE_MASK 0x2 +#define MMU_MMU_CNTL_MMU_ENABLE_OFFSET 1 +#define MMU_MMU_LOCK_BASE_VALUE_MASK 0xfc00 +#define MMU_MMU_LOCK_BASE_VALUE_OFFSET 10 +#define MMU_MMU_LOCK_CURRENT_VICTIM_MASK 0x3f0 +#define MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET 4 + +#endif /* _MMU_ACC_INT_H */ diff --git a/drivers/staging/tidspbridge/hw/MMURegAcM.h b/drivers/staging/tidspbridge/hw/MMURegAcM.h new file mode 100644 index 00000000000..ab1a16da731 --- /dev/null +++ b/drivers/staging/tidspbridge/hw/MMURegAcM.h @@ -0,0 +1,225 @@ +/* + * MMURegAcM.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2007 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _MMU_REG_ACM_H +#define _MMU_REG_ACM_H + +#include <linux/io.h> +#include <EasiGlobal.h> + +#include "MMUAccInt.h" + +#if defined(USE_LEVEL_1_MACROS) + +#define MMUMMU_SYSCONFIG_READ_REGISTER32(base_address)\ + (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_SYSCONFIG_READ_REGISTER32),\ + __raw_readl((base_address)+MMU_MMU_SYSCONFIG_OFFSET)) + +#define MMUMMU_SYSCONFIG_IDLE_MODE_WRITE32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_SYSCONFIG_OFFSET;\ + register u32 data = __raw_readl((base_address)+offset);\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_SYSCONFIG_IDLE_MODE_WRITE32);\ + data &= ~(MMU_MMU_SYSCONFIG_IDLE_MODE_MASK);\ + new_value <<= MMU_MMU_SYSCONFIG_IDLE_MODE_OFFSET;\ + new_value &= MMU_MMU_SYSCONFIG_IDLE_MODE_MASK;\ + new_value |= data;\ + __raw_writel(new_value, base_address+offset);\ +} + +#define MMUMMU_SYSCONFIG_AUTO_IDLE_WRITE32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_SYSCONFIG_OFFSET;\ + register u32 data = __raw_readl((base_address)+offset);\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_SYSCONFIG_AUTO_IDLE_WRITE32);\ + data &= ~(MMU_MMU_SYSCONFIG_AUTO_IDLE_MASK);\ + new_value <<= MMU_MMU_SYSCONFIG_AUTO_IDLE_OFFSET;\ + new_value &= MMU_MMU_SYSCONFIG_AUTO_IDLE_MASK;\ + new_value |= data;\ + __raw_writel(new_value, base_address+offset);\ +} + +#define MMUMMU_IRQSTATUS_READ_REGISTER32(base_address)\ + (_DEBUG_LEVEL1_EASI(easil1_mmummu_irqstatus_read_register32),\ + __raw_readl((base_address)+MMU_MMU_IRQSTATUS_OFFSET)) + +#define MMUMMU_IRQSTATUS_WRITE_REGISTER32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_IRQSTATUS_OFFSET;\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_IRQSTATUS_WRITE_REGISTER32);\ + __raw_writel(new_value, (base_address)+offset);\ +} + +#define MMUMMU_IRQENABLE_READ_REGISTER32(base_address)\ + (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_IRQENABLE_READ_REGISTER32),\ + __raw_readl((base_address)+MMU_MMU_IRQENABLE_OFFSET)) + +#define MMUMMU_IRQENABLE_WRITE_REGISTER32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_IRQENABLE_OFFSET;\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_IRQENABLE_WRITE_REGISTER32);\ + __raw_writel(new_value, (base_address)+offset);\ +} + +#define MMUMMU_WALKING_STTWL_RUNNING_READ32(base_address)\ + (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_WALKING_STTWL_RUNNING_READ32),\ + (((__raw_readl(((base_address)+(MMU_MMU_WALKING_ST_OFFSET))))\ + & MMU_MMU_WALKING_ST_TWL_RUNNING_MASK) >>\ + MMU_MMU_WALKING_ST_TWL_RUNNING_OFFSET)) + +#define MMUMMU_CNTLTWL_ENABLE_READ32(base_address)\ + (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CNTLTWL_ENABLE_READ32),\ + (((__raw_readl(((base_address)+(MMU_MMU_CNTL_OFFSET)))) &\ + MMU_MMU_CNTL_TWL_ENABLE_MASK) >>\ + MMU_MMU_CNTL_TWL_ENABLE_OFFSET)) + +#define MMUMMU_CNTLTWL_ENABLE_WRITE32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_CNTL_OFFSET;\ + register u32 data = __raw_readl((base_address)+offset);\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CNTLTWL_ENABLE_WRITE32);\ + data &= ~(MMU_MMU_CNTL_TWL_ENABLE_MASK);\ + new_value <<= MMU_MMU_CNTL_TWL_ENABLE_OFFSET;\ + new_value &= MMU_MMU_CNTL_TWL_ENABLE_MASK;\ + new_value |= data;\ + __raw_writel(new_value, base_address+offset);\ +} + +#define MMUMMU_CNTLMMU_ENABLE_WRITE32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_CNTL_OFFSET;\ + register u32 data = __raw_readl((base_address)+offset);\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CNTLMMU_ENABLE_WRITE32);\ + data &= ~(MMU_MMU_CNTL_MMU_ENABLE_MASK);\ + new_value <<= MMU_MMU_CNTL_MMU_ENABLE_OFFSET;\ + new_value &= MMU_MMU_CNTL_MMU_ENABLE_MASK;\ + new_value |= data;\ + __raw_writel(new_value, base_address+offset);\ +} + +#define MMUMMU_FAULT_AD_READ_REGISTER32(base_address)\ + (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_FAULT_AD_READ_REGISTER32),\ + __raw_readl((base_address)+MMU_MMU_FAULT_AD_OFFSET)) + +#define MMUMMU_TTB_WRITE_REGISTER32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_TTB_OFFSET;\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_TTB_WRITE_REGISTER32);\ + __raw_writel(new_value, (base_address)+offset);\ +} + +#define MMUMMU_LOCK_READ_REGISTER32(base_address)\ + (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_READ_REGISTER32),\ + __raw_readl((base_address)+MMU_MMU_LOCK_OFFSET)) + +#define MMUMMU_LOCK_WRITE_REGISTER32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_LOCK_OFFSET;\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_WRITE_REGISTER32);\ + __raw_writel(new_value, (base_address)+offset);\ +} + +#define MMUMMU_LOCK_BASE_VALUE_READ32(base_address)\ + (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_BASE_VALUE_READ32),\ + (((__raw_readl(((base_address)+(MMU_MMU_LOCK_OFFSET)))) &\ + MMU_MMU_LOCK_BASE_VALUE_MASK) >>\ + MMU_MMU_LOCK_BASE_VALUE_OFFSET)) + +#define MMUMMU_LOCK_BASE_VALUE_WRITE32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_LOCK_OFFSET;\ + register u32 data = __raw_readl((base_address)+offset);\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(easil1_mmummu_lock_base_value_write32);\ + data &= ~(MMU_MMU_LOCK_BASE_VALUE_MASK);\ + new_value <<= MMU_MMU_LOCK_BASE_VALUE_OFFSET;\ + new_value &= MMU_MMU_LOCK_BASE_VALUE_MASK;\ + new_value |= data;\ + __raw_writel(new_value, base_address+offset);\ +} + +#define MMUMMU_LOCK_CURRENT_VICTIM_READ32(base_address)\ + (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_READ32),\ + (((__raw_readl(((base_address)+(MMU_MMU_LOCK_OFFSET)))) &\ + MMU_MMU_LOCK_CURRENT_VICTIM_MASK) >>\ + MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET)) + +#define MMUMMU_LOCK_CURRENT_VICTIM_WRITE32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_LOCK_OFFSET;\ + register u32 data = __raw_readl((base_address)+offset);\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_WRITE32);\ + data &= ~(MMU_MMU_LOCK_CURRENT_VICTIM_MASK);\ + new_value <<= MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET;\ + new_value &= MMU_MMU_LOCK_CURRENT_VICTIM_MASK;\ + new_value |= data;\ + __raw_writel(new_value, base_address+offset);\ +} + +#define MMUMMU_LOCK_CURRENT_VICTIM_SET32(var, value)\ + (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_SET32),\ + (((var) & ~(MMU_MMU_LOCK_CURRENT_VICTIM_MASK)) |\ + (((value) << MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET) &\ + MMU_MMU_LOCK_CURRENT_VICTIM_MASK))) + +#define MMUMMU_LD_TLB_READ_REGISTER32(base_address)\ + (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LD_TLB_READ_REGISTER32),\ + __raw_readl((base_address)+MMU_MMU_LD_TLB_OFFSET)) + +#define MMUMMU_LD_TLB_WRITE_REGISTER32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_LD_TLB_OFFSET;\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LD_TLB_WRITE_REGISTER32);\ + __raw_writel(new_value, (base_address)+offset);\ +} + +#define MMUMMU_CAM_WRITE_REGISTER32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_CAM_OFFSET;\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CAM_WRITE_REGISTER32);\ + __raw_writel(new_value, (base_address)+offset);\ +} + +#define MMUMMU_RAM_WRITE_REGISTER32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_RAM_OFFSET;\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_RAM_WRITE_REGISTER32);\ + __raw_writel(new_value, (base_address)+offset);\ +} + +#define MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32(base_address, value)\ +{\ + const u32 offset = MMU_MMU_FLUSH_ENTRY_OFFSET;\ + register u32 new_value = (value);\ + _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32);\ + __raw_writel(new_value, (base_address)+offset);\ +} + +#endif /* USE_LEVEL_1_MACROS */ + +#endif /* _MMU_REG_ACM_H */ diff --git a/drivers/staging/tidspbridge/hw/hw_defs.h b/drivers/staging/tidspbridge/hw/hw_defs.h new file mode 100644 index 00000000000..d5266d4c163 --- /dev/null +++ b/drivers/staging/tidspbridge/hw/hw_defs.h @@ -0,0 +1,58 @@ +/* + * hw_defs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Global HW definitions + * + * Copyright (C) 2007 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _HW_DEFS_H +#define _HW_DEFS_H + +/* Page size */ +#define HW_PAGE_SIZE4KB 0x1000 +#define HW_PAGE_SIZE64KB 0x10000 +#define HW_PAGE_SIZE1MB 0x100000 +#define HW_PAGE_SIZE16MB 0x1000000 + +/* hw_status: return type for HW API */ +typedef long hw_status; + +/* Macro used to set and clear any bit */ +#define HW_CLEAR 0 +#define HW_SET 1 + +/* hw_endianism_t: Enumerated Type used to specify the endianism + * Do NOT change these values. They are used as bit fields. */ +enum hw_endianism_t { + HW_LITTLE_ENDIAN, + HW_BIG_ENDIAN +}; + +/* hw_element_size_t: Enumerated Type used to specify the element size + * Do NOT change these values. They are used as bit fields. */ +enum hw_element_size_t { + HW_ELEM_SIZE8BIT, + HW_ELEM_SIZE16BIT, + HW_ELEM_SIZE32BIT, + HW_ELEM_SIZE64BIT +}; + +/* hw_idle_mode_t: Enumerated Type used to specify Idle modes */ +enum hw_idle_mode_t { + HW_FORCE_IDLE, + HW_NO_IDLE, + HW_SMART_IDLE +}; + +#endif /* _HW_DEFS_H */ diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.c b/drivers/staging/tidspbridge/hw/hw_mmu.c new file mode 100644 index 00000000000..014f5d5293a --- /dev/null +++ b/drivers/staging/tidspbridge/hw/hw_mmu.c @@ -0,0 +1,562 @@ +/* + * hw_mmu.c + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * API definitions to setup MMU TLB and PTE + * + * Copyright (C) 2007 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#include <linux/io.h> +#include "MMURegAcM.h" +#include <hw_defs.h> +#include <hw_mmu.h> +#include <linux/types.h> +#include <linux/err.h> + +#define MMU_BASE_VAL_MASK 0xFC00 +#define MMU_PAGE_MAX 3 +#define MMU_ELEMENTSIZE_MAX 3 +#define MMU_ADDR_MASK 0xFFFFF000 +#define MMU_TTB_MASK 0xFFFFC000 +#define MMU_SECTION_ADDR_MASK 0xFFF00000 +#define MMU_SSECTION_ADDR_MASK 0xFF000000 +#define MMU_PAGE_TABLE_MASK 0xFFFFFC00 +#define MMU_LARGE_PAGE_MASK 0xFFFF0000 +#define MMU_SMALL_PAGE_MASK 0xFFFFF000 + +#define MMU_LOAD_TLB 0x00000001 +#define MMU_GFLUSH 0x60 + +/* + * hw_mmu_page_size_t: Enumerated Type used to specify the MMU Page Size(SLSS) + */ +enum hw_mmu_page_size_t { + HW_MMU_SECTION, + HW_MMU_LARGE_PAGE, + HW_MMU_SMALL_PAGE, + HW_MMU_SUPERSECTION +}; + +/* + * FUNCTION : mmu_flush_entry + * + * INPUTS: + * + * Identifier : base_address + * Type : const u32 + * Description : Base Address of instance of MMU module + * + * RETURNS: + * + * Type : hw_status + * Description : 0 -- No errors occured + * RET_BAD_NULL_PARAM -- A Pointer + * Paramater was set to NULL + * + * PURPOSE: : Flush the TLB entry pointed by the + * lock counter register + * even if this entry is set protected + * + * METHOD: : Check the Input parameter and Flush a + * single entry in the TLB. + */ +static hw_status mmu_flush_entry(const void __iomem *base_address); + +/* + * FUNCTION : mmu_set_cam_entry + * + * INPUTS: + * + * Identifier : base_address + * TypE : const u32 + * Description : Base Address of instance of MMU module + * + * Identifier : page_sz + * TypE : const u32 + * Description : It indicates the page size + * + * Identifier : preserved_bit + * Type : const u32 + * Description : It indicates the TLB entry is preserved entry + * or not + * + * Identifier : valid_bit + * Type : const u32 + * Description : It indicates the TLB entry is valid entry or not + * + * + * Identifier : virtual_addr_tag + * Type : const u32 + * Description : virtual Address + * + * RETURNS: + * + * Type : hw_status + * Description : 0 -- No errors occured + * RET_BAD_NULL_PARAM -- A Pointer Paramater + * was set to NULL + * RET_PARAM_OUT_OF_RANGE -- Input Parameter out + * of Range + * + * PURPOSE: : Set MMU_CAM reg + * + * METHOD: : Check the Input parameters and set the CAM entry. + */ +static hw_status mmu_set_cam_entry(const void __iomem *base_address, + const u32 page_sz, + const u32 preserved_bit, + const u32 valid_bit, + const u32 virtual_addr_tag); + +/* + * FUNCTION : mmu_set_ram_entry + * + * INPUTS: + * + * Identifier : base_address + * Type : const u32 + * Description : Base Address of instance of MMU module + * + * Identifier : physical_addr + * Type : const u32 + * Description : Physical Address to which the corresponding + * virtual Address shouldpoint + * + * Identifier : endianism + * Type : hw_endianism_t + * Description : endianism for the given page + * + * Identifier : element_size + * Type : hw_element_size_t + * Description : The element size ( 8,16, 32 or 64 bit) + * + * Identifier : mixed_size + * Type : hw_mmu_mixed_size_t + * Description : Element Size to follow CPU or TLB + * + * RETURNS: + * + * Type : hw_status + * Description : 0 -- No errors occured + * RET_BAD_NULL_PARAM -- A Pointer Paramater + * was set to NULL + * RET_PARAM_OUT_OF_RANGE -- Input Parameter + * out of Range + * + * PURPOSE: : Set MMU_CAM reg + * + * METHOD: : Check the Input parameters and set the RAM entry. + */ +static hw_status mmu_set_ram_entry(const void __iomem *base_address, + const u32 physical_addr, + enum hw_endianism_t endianism, + enum hw_element_size_t element_size, + enum hw_mmu_mixed_size_t mixed_size); + +/* HW FUNCTIONS */ + +hw_status hw_mmu_enable(const void __iomem *base_address) +{ + hw_status status = 0; + + MMUMMU_CNTLMMU_ENABLE_WRITE32(base_address, HW_SET); + + return status; +} + +hw_status hw_mmu_disable(const void __iomem *base_address) +{ + hw_status status = 0; + + MMUMMU_CNTLMMU_ENABLE_WRITE32(base_address, HW_CLEAR); + + return status; +} + +hw_status hw_mmu_num_locked_set(const void __iomem *base_address, + u32 num_locked_entries) +{ + hw_status status = 0; + + MMUMMU_LOCK_BASE_VALUE_WRITE32(base_address, num_locked_entries); + + return status; +} + +hw_status hw_mmu_victim_num_set(const void __iomem *base_address, + u32 victim_entry_num) +{ + hw_status status = 0; + + MMUMMU_LOCK_CURRENT_VICTIM_WRITE32(base_address, victim_entry_num); + + return status; +} + +hw_status hw_mmu_event_ack(const void __iomem *base_address, u32 irq_mask) +{ + hw_status status = 0; + + MMUMMU_IRQSTATUS_WRITE_REGISTER32(base_address, irq_mask); + + return status; +} + +hw_status hw_mmu_event_disable(const void __iomem *base_address, u32 irq_mask) +{ + hw_status status = 0; + u32 irq_reg; + + irq_reg = MMUMMU_IRQENABLE_READ_REGISTER32(base_address); + + MMUMMU_IRQENABLE_WRITE_REGISTER32(base_address, irq_reg & ~irq_mask); + + return status; +} + +hw_status hw_mmu_event_enable(const void __iomem *base_address, u32 irq_mask) +{ + hw_status status = 0; + u32 irq_reg; + + irq_reg = MMUMMU_IRQENABLE_READ_REGISTER32(base_address); + + MMUMMU_IRQENABLE_WRITE_REGISTER32(base_address, irq_reg | irq_mask); + + return status; +} + +hw_status hw_mmu_event_status(const void __iomem *base_address, u32 *irq_mask) +{ + hw_status status = 0; + + *irq_mask = MMUMMU_IRQSTATUS_READ_REGISTER32(base_address); + + return status; +} + +hw_status hw_mmu_fault_addr_read(const void __iomem *base_address, u32 *addr) +{ + hw_status status = 0; + + /* read values from register */ + *addr = MMUMMU_FAULT_AD_READ_REGISTER32(base_address); + + return status; +} + +hw_status hw_mmu_ttb_set(const void __iomem *base_address, u32 ttb_phys_addr) +{ + hw_status status = 0; + u32 load_ttb; + + load_ttb = ttb_phys_addr & ~0x7FUL; + /* write values to register */ + MMUMMU_TTB_WRITE_REGISTER32(base_address, load_ttb); + + return status; +} + +hw_status hw_mmu_twl_enable(const void __iomem *base_address) +{ + hw_status status = 0; + + MMUMMU_CNTLTWL_ENABLE_WRITE32(base_address, HW_SET); + + return status; +} + +hw_status hw_mmu_twl_disable(const void __iomem *base_address) +{ + hw_status status = 0; + + MMUMMU_CNTLTWL_ENABLE_WRITE32(base_address, HW_CLEAR); + + return status; +} + +hw_status hw_mmu_tlb_flush(const void __iomem *base_address, u32 virtual_addr, + u32 page_sz) +{ + hw_status status = 0; + u32 virtual_addr_tag; + enum hw_mmu_page_size_t pg_size_bits; + + switch (page_sz) { + case HW_PAGE_SIZE4KB: + pg_size_bits = HW_MMU_SMALL_PAGE; + break; + + case HW_PAGE_SIZE64KB: + pg_size_bits = HW_MMU_LARGE_PAGE; + break; + + case HW_PAGE_SIZE1MB: + pg_size_bits = HW_MMU_SECTION; + break; + + case HW_PAGE_SIZE16MB: + pg_size_bits = HW_MMU_SUPERSECTION; + break; + + default: + return -EINVAL; + } + + /* Generate the 20-bit tag from virtual address */ + virtual_addr_tag = ((virtual_addr & MMU_ADDR_MASK) >> 12); + + mmu_set_cam_entry(base_address, pg_size_bits, 0, 0, virtual_addr_tag); + + mmu_flush_entry(base_address); + + return status; +} + +hw_status hw_mmu_tlb_add(const void __iomem *base_address, + u32 physical_addr, + u32 virtual_addr, + u32 page_sz, + u32 entry_num, + struct hw_mmu_map_attrs_t *map_attrs, + s8 preserved_bit, s8 valid_bit) +{ + hw_status status = 0; + u32 lock_reg; + u32 virtual_addr_tag; + enum hw_mmu_page_size_t mmu_pg_size; + + /*Check the input Parameters */ + switch (page_sz) { + case HW_PAGE_SIZE4KB: + mmu_pg_size = HW_MMU_SMALL_PAGE; + break; + + case HW_PAGE_SIZE64KB: + mmu_pg_size = HW_MMU_LARGE_PAGE; + break; + + case HW_PAGE_SIZE1MB: + mmu_pg_size = HW_MMU_SECTION; + break; + + case HW_PAGE_SIZE16MB: + mmu_pg_size = HW_MMU_SUPERSECTION; + break; + + default: + return -EINVAL; + } + + lock_reg = MMUMMU_LOCK_READ_REGISTER32(base_address); + + /* Generate the 20-bit tag from virtual address */ + virtual_addr_tag = ((virtual_addr & MMU_ADDR_MASK) >> 12); + + /* Write the fields in the CAM Entry Register */ + mmu_set_cam_entry(base_address, mmu_pg_size, preserved_bit, valid_bit, + virtual_addr_tag); + + /* Write the different fields of the RAM Entry Register */ + /* endianism of the page,Element Size of the page (8, 16, 32, 64 bit) */ + mmu_set_ram_entry(base_address, physical_addr, map_attrs->endianism, + map_attrs->element_size, map_attrs->mixed_size); + + /* Update the MMU Lock Register */ + /* currentVictim between lockedBaseValue and (MMU_Entries_Number - 1) */ + MMUMMU_LOCK_CURRENT_VICTIM_WRITE32(base_address, entry_num); + + /* Enable loading of an entry in TLB by writing 1 + into LD_TLB_REG register */ + MMUMMU_LD_TLB_WRITE_REGISTER32(base_address, MMU_LOAD_TLB); + + MMUMMU_LOCK_WRITE_REGISTER32(base_address, lock_reg); + + return status; +} + +hw_status hw_mmu_pte_set(const u32 pg_tbl_va, + u32 physical_addr, + u32 virtual_addr, + u32 page_sz, struct hw_mmu_map_attrs_t *map_attrs) +{ + hw_status status = 0; + u32 pte_addr, pte_val; + s32 num_entries = 1; + + switch (page_sz) { + case HW_PAGE_SIZE4KB: + pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va, + virtual_addr & + MMU_SMALL_PAGE_MASK); + pte_val = + ((physical_addr & MMU_SMALL_PAGE_MASK) | + (map_attrs->endianism << 9) | (map_attrs-> + element_size << 4) | + (map_attrs->mixed_size << 11) | 2); + break; + + case HW_PAGE_SIZE64KB: + num_entries = 16; + pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va, + virtual_addr & + MMU_LARGE_PAGE_MASK); + pte_val = + ((physical_addr & MMU_LARGE_PAGE_MASK) | + (map_attrs->endianism << 9) | (map_attrs-> + element_size << 4) | + (map_attrs->mixed_size << 11) | 1); + break; + + case HW_PAGE_SIZE1MB: + pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va, + virtual_addr & + MMU_SECTION_ADDR_MASK); + pte_val = + ((((physical_addr & MMU_SECTION_ADDR_MASK) | + (map_attrs->endianism << 15) | (map_attrs-> + element_size << 10) | + (map_attrs->mixed_size << 17)) & ~0x40000) | 0x2); + break; + + case HW_PAGE_SIZE16MB: + num_entries = 16; + pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va, + virtual_addr & + MMU_SSECTION_ADDR_MASK); + pte_val = + (((physical_addr & MMU_SSECTION_ADDR_MASK) | + (map_attrs->endianism << 15) | (map_attrs-> + element_size << 10) | + (map_attrs->mixed_size << 17) + ) | 0x40000 | 0x2); + break; + + case HW_MMU_COARSE_PAGE_SIZE: + pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va, + virtual_addr & + MMU_SECTION_ADDR_MASK); + pte_val = (physical_addr & MMU_PAGE_TABLE_MASK) | 1; + break; + + default: + return -EINVAL; + } + + while (--num_entries >= 0) + ((u32 *) pte_addr)[num_entries] = pte_val; + + return status; +} + +hw_status hw_mmu_pte_clear(const u32 pg_tbl_va, u32 virtual_addr, u32 page_size) +{ + hw_status status = 0; + u32 pte_addr; + s32 num_entries = 1; + + switch (page_size) { + case HW_PAGE_SIZE4KB: + pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va, + virtual_addr & + MMU_SMALL_PAGE_MASK); + break; + + case HW_PAGE_SIZE64KB: + num_entries = 16; + pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va, + virtual_addr & + MMU_LARGE_PAGE_MASK); + break; + + case HW_PAGE_SIZE1MB: + case HW_MMU_COARSE_PAGE_SIZE: + pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va, + virtual_addr & + MMU_SECTION_ADDR_MASK); + break; + + case HW_PAGE_SIZE16MB: + num_entries = 16; + pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va, + virtual_addr & + MMU_SSECTION_ADDR_MASK); + break; + + default: + return -EINVAL; + } + + while (--num_entries >= 0) + ((u32 *) pte_addr)[num_entries] = 0; + + return status; +} + +/* mmu_flush_entry */ +static hw_status mmu_flush_entry(const void __iomem *base_address) +{ + hw_status status = 0; + u32 flush_entry_data = 0x1; + + /* write values to register */ + MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32(base_address, flush_entry_data); + + return status; +} + +/* mmu_set_cam_entry */ +static hw_status mmu_set_cam_entry(const void __iomem *base_address, + const u32 page_sz, + const u32 preserved_bit, + const u32 valid_bit, + const u32 virtual_addr_tag) +{ + hw_status status = 0; + u32 mmu_cam_reg; + + mmu_cam_reg = (virtual_addr_tag << 12); + mmu_cam_reg = (mmu_cam_reg) | (page_sz) | (valid_bit << 2) | + (preserved_bit << 3); + + /* write values to register */ + MMUMMU_CAM_WRITE_REGISTER32(base_address, mmu_cam_reg); + + return status; +} + +/* mmu_set_ram_entry */ +static hw_status mmu_set_ram_entry(const void __iomem *base_address, + const u32 physical_addr, + enum hw_endianism_t endianism, + enum hw_element_size_t element_size, + enum hw_mmu_mixed_size_t mixed_size) +{ + hw_status status = 0; + u32 mmu_ram_reg; + + mmu_ram_reg = (physical_addr & MMU_ADDR_MASK); + mmu_ram_reg = (mmu_ram_reg) | ((endianism << 9) | (element_size << 7) | + (mixed_size << 6)); + + /* write values to register */ + MMUMMU_RAM_WRITE_REGISTER32(base_address, mmu_ram_reg); + + return status; + +} + +void hw_mmu_tlb_flush_all(const void __iomem *base) +{ + __raw_writeb(1, base + MMU_GFLUSH); +} diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.h b/drivers/staging/tidspbridge/hw/hw_mmu.h new file mode 100644 index 00000000000..1458a2c6027 --- /dev/null +++ b/drivers/staging/tidspbridge/hw/hw_mmu.h @@ -0,0 +1,163 @@ +/* + * hw_mmu.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * MMU types and API declarations + * + * Copyright (C) 2007 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _HW_MMU_H +#define _HW_MMU_H + +#include <linux/types.h> + +/* Bitmasks for interrupt sources */ +#define HW_MMU_TRANSLATION_FAULT 0x2 +#define HW_MMU_ALL_INTERRUPTS 0x1F + +#define HW_MMU_COARSE_PAGE_SIZE 0x400 + +/* hw_mmu_mixed_size_t: Enumerated Type used to specify whether to follow + CPU/TLB Element size */ +enum hw_mmu_mixed_size_t { + HW_MMU_TLBES, + HW_MMU_CPUES +}; + +/* hw_mmu_map_attrs_t: Struct containing MMU mapping attributes */ +struct hw_mmu_map_attrs_t { + enum hw_endianism_t endianism; + enum hw_element_size_t element_size; + enum hw_mmu_mixed_size_t mixed_size; + bool donotlockmpupage; +}; + +extern hw_status hw_mmu_enable(const void __iomem *base_address); + +extern hw_status hw_mmu_disable(const void __iomem *base_address); + +extern hw_status hw_mmu_num_locked_set(const void __iomem *base_address, + u32 num_locked_entries); + +extern hw_status hw_mmu_victim_num_set(const void __iomem *base_address, + u32 victim_entry_num); + +/* For MMU faults */ +extern hw_status hw_mmu_event_ack(const void __iomem *base_address, + u32 irq_mask); + +extern hw_status hw_mmu_event_disable(const void __iomem *base_address, + u32 irq_mask); + +extern hw_status hw_mmu_event_enable(const void __iomem *base_address, + u32 irq_mask); + +extern hw_status hw_mmu_event_status(const void __iomem *base_address, + u32 *irq_mask); + +extern hw_status hw_mmu_fault_addr_read(const void __iomem *base_address, + u32 *addr); + +/* Set the TT base address */ +extern hw_status hw_mmu_ttb_set(const void __iomem *base_address, + u32 ttb_phys_addr); + +extern hw_status hw_mmu_twl_enable(const void __iomem *base_address); + +extern hw_status hw_mmu_twl_disable(const void __iomem *base_address); + +extern hw_status hw_mmu_tlb_flush(const void __iomem *base_address, + u32 virtual_addr, u32 page_sz); + +extern hw_status hw_mmu_tlb_add(const void __iomem *base_address, + u32 physical_addr, + u32 virtual_addr, + u32 page_sz, + u32 entry_num, + struct hw_mmu_map_attrs_t *map_attrs, + s8 preserved_bit, s8 valid_bit); + +/* For PTEs */ +extern hw_status hw_mmu_pte_set(const u32 pg_tbl_va, + u32 physical_addr, + u32 virtual_addr, + u32 page_sz, + struct hw_mmu_map_attrs_t *map_attrs); + +extern hw_status hw_mmu_pte_clear(const u32 pg_tbl_va, + u32 virtual_addr, u32 page_size); + +void hw_mmu_tlb_flush_all(const void __iomem *base); + +static inline u32 hw_mmu_pte_addr_l1(u32 l1_base, u32 va) +{ + u32 pte_addr; + u32 va31_to20; + + va31_to20 = va >> (20 - 2); /* Left-shift by 2 here itself */ + va31_to20 &= 0xFFFFFFFCUL; + pte_addr = l1_base + va31_to20; + + return pte_addr; +} + +static inline u32 hw_mmu_pte_addr_l2(u32 l2_base, u32 va) +{ + u32 pte_addr; + + pte_addr = (l2_base & 0xFFFFFC00) | ((va >> 10) & 0x3FC); + + return pte_addr; +} + +static inline u32 hw_mmu_pte_coarse_l1(u32 pte_val) +{ + u32 pte_coarse; + + pte_coarse = pte_val & 0xFFFFFC00; + + return pte_coarse; +} + +static inline u32 hw_mmu_pte_size_l1(u32 pte_val) +{ + u32 pte_size = 0; + + if ((pte_val & 0x3) == 0x1) { + /* Points to L2 PT */ + pte_size = HW_MMU_COARSE_PAGE_SIZE; + } + + if ((pte_val & 0x3) == 0x2) { + if (pte_val & (1 << 18)) + pte_size = HW_PAGE_SIZE16MB; + else + pte_size = HW_PAGE_SIZE1MB; + } + + return pte_size; +} + +static inline u32 hw_mmu_pte_size_l2(u32 pte_val) +{ + u32 pte_size = 0; + + if (pte_val & 0x2) + pte_size = HW_PAGE_SIZE4KB; + else if (pte_val & 0x1) + pte_size = HW_PAGE_SIZE64KB; + + return pte_size; +} + +#endif /* _HW_MMU_H */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h b/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h index dfb55cca34c..38122dbf877 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h +++ b/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h @@ -68,6 +68,7 @@ struct cfg_hostres { void __iomem *dw_per_base; u32 dw_per_pm_base; u32 dw_core_pm_base; + void __iomem *dw_dmmu_base; void __iomem *dw_sys_ctrl_base; }; diff --git a/drivers/staging/tidspbridge/include/dspbridge/dev.h b/drivers/staging/tidspbridge/include/dspbridge/dev.h index 9bdd48f5742..357458fadd2 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/dev.h +++ b/drivers/staging/tidspbridge/include/dspbridge/dev.h @@ -27,6 +27,7 @@ #include <dspbridge/nodedefs.h> #include <dspbridge/dispdefs.h> #include <dspbridge/dspdefs.h> +#include <dspbridge/dmm.h> #include <dspbridge/host_os.h> /* ----------------------------------- This */ @@ -233,6 +234,29 @@ extern int dev_get_cmm_mgr(struct dev_object *hdev_obj, struct cmm_object **mgr); /* + * ======== dev_get_dmm_mgr ======== + * Purpose: + * Retrieve the handle to the dynamic memory manager created for this + * device. + * Parameters: + * hdev_obj: Handle to device object created with + * dev_create_device(). + * *mgr: Ptr to location to store handle. + * Returns: + * 0: Success. + * -EFAULT: Invalid hdev_obj. + * Requires: + * mgr != NULL. + * DEV Initialized. + * Ensures: + * 0: *mgr contains a handle to a channel manager object, + * or NULL. + * else: *mgr is NULL. + */ +extern int dev_get_dmm_mgr(struct dev_object *hdev_obj, + struct dmm_object **mgr); + +/* * ======== dev_get_cod_mgr ======== * Purpose: * Retrieve the COD manager create for this device. diff --git a/drivers/staging/tidspbridge/include/dspbridge/dmm.h b/drivers/staging/tidspbridge/include/dspbridge/dmm.h new file mode 100644 index 00000000000..6c58335c5f6 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dmm.h @@ -0,0 +1,75 @@ +/* + * dmm.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * The Dynamic Memory Mapping(DMM) module manages the DSP Virtual address + * space that can be directly mapped to any MPU buffer or memory region. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DMM_ +#define DMM_ + +#include <dspbridge/dbdefs.h> + +struct dmm_object; + +/* DMM attributes used in dmm_create() */ +struct dmm_mgrattrs { + u32 reserved; +}; + +#define DMMPOOLSIZE 0x4000000 + +/* + * ======== dmm_get_handle ======== + * Purpose: + * Return the dynamic memory manager object for this device. + * This is typically called from the client process. + */ + +extern int dmm_get_handle(void *hprocessor, + struct dmm_object **dmm_manager); + +extern int dmm_reserve_memory(struct dmm_object *dmm_mgr, + u32 size, u32 *prsv_addr); + +extern int dmm_un_reserve_memory(struct dmm_object *dmm_mgr, + u32 rsv_addr); + +extern int dmm_map_memory(struct dmm_object *dmm_mgr, u32 addr, + u32 size); + +extern int dmm_un_map_memory(struct dmm_object *dmm_mgr, + u32 addr, u32 *psize); + +extern int dmm_destroy(struct dmm_object *dmm_mgr); + +extern int dmm_delete_tables(struct dmm_object *dmm_mgr); + +extern int dmm_create(struct dmm_object **dmm_manager, + struct dev_object *hdev_obj, + const struct dmm_mgrattrs *mgr_attrts); + +extern bool dmm_init(void); + +extern void dmm_exit(void); + +extern int dmm_create_tables(struct dmm_object *dmm_mgr, + u32 addr, u32 size); + +#ifdef DSP_DMM_DEBUG +u32 dmm_mem_map_dump(struct dmm_object *dmm_mgr); +#endif + +#endif /* DMM_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/drv.h b/drivers/staging/tidspbridge/include/dspbridge/drv.h index 75a2c9b5c6f..c1f363ec9af 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/drv.h +++ b/drivers/staging/tidspbridge/include/dspbridge/drv.h @@ -108,6 +108,12 @@ struct dmm_map_object { struct bridge_dma_map_info dma_info; }; +/* Used for DMM reserved memory accounting */ +struct dmm_rsv_object { + struct list_head link; + u32 dsp_reserved_addr; +}; + /* New structure (member of process context) abstracts DMM resource info */ struct dspheap_res_object { s32 heap_allocated; /* DMM status */ @@ -159,6 +165,10 @@ struct process_context { struct list_head dmm_map_list; spinlock_t dmm_map_lock; + /* DMM reserved memory resources */ + struct list_head dmm_rsv_list; + spinlock_t dmm_rsv_lock; + /* DSP Heap resources */ struct dspheap_res_object *pdspheap_list; diff --git a/drivers/staging/tidspbridge/include/dspbridge/dsp-mmu.h b/drivers/staging/tidspbridge/include/dspbridge/dsp-mmu.h deleted file mode 100644 index cb38d4cc073..00000000000 --- a/drivers/staging/tidspbridge/include/dspbridge/dsp-mmu.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - * dsp-mmu.h - * - * DSP-BIOS Bridge driver support functions for TI OMAP processors. - * - * DSP iommu. - * - * Copyright (C) 2005-2010 Texas Instruments, Inc. - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#ifndef _DSP_MMU_ -#define _DSP_MMU_ - -#include <plat/iommu.h> -#include <plat/iovmm.h> - -/** - * dsp_mmu_init() - initialize dsp_mmu module and returns a handle - * - * This function initialize dsp mmu module and returns a struct iommu - * handle to use it for dsp maps. - * - */ -struct iommu *dsp_mmu_init(void); - -/** - * dsp_mmu_exit() - destroy dsp mmu module - * @mmu: Pointer to iommu handle. - * - * This function destroys dsp mmu module. - * - */ -void dsp_mmu_exit(struct iommu *mmu); - -/** - * user_to_dsp_map() - maps user to dsp virtual address - * @mmu: Pointer to iommu handle. - * @uva: Virtual user space address. - * @da DSP address - * @size Buffer size to map. - * @usr_pgs struct page array pointer where the user pages will be stored - * - * This function maps a user space buffer into DSP virtual address. - * - */ -u32 user_to_dsp_map(struct iommu *mmu, u32 uva, u32 da, u32 size, - struct page **usr_pgs); - -/** - * user_to_dsp_unmap() - unmaps DSP virtual buffer. - * @mmu: Pointer to iommu handle. - * @da DSP address - * - * This function unmaps a user space buffer into DSP virtual address. - * - */ -int user_to_dsp_unmap(struct iommu *mmu, u32 da); - -#endif diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h b/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h index 61536347481..0ae7d1646a1 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h +++ b/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h @@ -162,6 +162,48 @@ typedef int(*fxn_brd_memwrite) (struct bridge_dev_context u32 mem_type); /* + * ======== bridge_brd_mem_map ======== + * Purpose: + * Map a MPU memory region to a DSP/IVA memory space + * Parameters: + * dev_ctxt: Handle to Bridge driver defined device info. + * ul_mpu_addr: MPU memory region start address. + * virt_addr: DSP/IVA memory region u8 address. + * ul_num_bytes: Number of bytes to map. + * map_attrs: Mapping attributes (e.g. endianness). + * Returns: + * 0: Success. + * -EPERM: Other, unspecified error. + * Requires: + * dev_ctxt != NULL; + * Ensures: + */ +typedef int(*fxn_brd_memmap) (struct bridge_dev_context + * dev_ctxt, u32 ul_mpu_addr, + u32 virt_addr, u32 ul_num_bytes, + u32 map_attr, + struct page **mapped_pages); + +/* + * ======== bridge_brd_mem_un_map ======== + * Purpose: + * UnMap an MPU memory region from DSP/IVA memory space + * Parameters: + * dev_ctxt: Handle to Bridge driver defined device info. + * virt_addr: DSP/IVA memory region u8 address. + * ul_num_bytes: Number of bytes to unmap. + * Returns: + * 0: Success. + * -EPERM: Other, unspecified error. + * Requires: + * dev_ctxt != NULL; + * Ensures: + */ +typedef int(*fxn_brd_memunmap) (struct bridge_dev_context + * dev_ctxt, + u32 virt_addr, u32 ul_num_bytes); + +/* * ======== bridge_brd_stop ======== * Purpose: * Bring board to the BRD_STOPPED state. @@ -951,6 +993,8 @@ struct bridge_drv_interface { fxn_brd_setstate pfn_brd_set_state; /* Sets the Board State */ fxn_brd_memcopy pfn_brd_mem_copy; /* Copies DSP Memory */ fxn_brd_memwrite pfn_brd_mem_write; /* Write DSP Memory w/o halt */ + fxn_brd_memmap pfn_brd_mem_map; /* Maps MPU mem to DSP mem */ + fxn_brd_memunmap pfn_brd_mem_un_map; /* Unmaps MPU mem to DSP mem */ fxn_chnl_create pfn_chnl_create; /* Create channel manager. */ fxn_chnl_destroy pfn_chnl_destroy; /* Destroy channel manager. */ fxn_chnl_open pfn_chnl_open; /* Create a new channel. */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h b/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h index bad180108ad..41e0594dff3 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h +++ b/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h @@ -19,6 +19,10 @@ #ifndef DSPIOCTL_ #define DSPIOCTL_ +/* ------------------------------------ Hardware Abstraction Layer */ +#include <hw_defs.h> +#include <hw_mmu.h> + /* * Any IOCTLS at or above this value are reserved for standard Bridge driver * interfaces. @@ -61,6 +65,9 @@ struct bridge_ioctl_extproc { /* GPP virtual address. __va does not work for ioremapped addresses */ u32 ul_gpp_va; u32 ul_size; /* Size of the mapped memory in bytes */ + enum hw_endianism_t endianism; + enum hw_mmu_mixed_size_t mixed_mode; + enum hw_element_size_t elem_size; }; #endif /* DSPIOCTL_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/proc.h b/drivers/staging/tidspbridge/include/dspbridge/proc.h index 2d12aab6b5b..5e09fd165d9 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/proc.h +++ b/drivers/staging/tidspbridge/include/dspbridge/proc.h @@ -551,6 +551,29 @@ extern int proc_map(void *hprocessor, struct process_context *pr_ctxt); /* + * ======== proc_reserve_memory ======== + * Purpose: + * Reserve a virtually contiguous region of DSP address space. + * Parameters: + * hprocessor : The processor handle. + * ul_size : Size of the address space to reserve. + * pp_rsv_addr : Ptr to DSP side reserved u8 address. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : General failure. + * -ENOMEM : Cannot reserve chunk of this size. + * Requires: + * pp_rsv_addr is not NULL + * PROC Initialized. + * Ensures: + * Details: + */ +extern int proc_reserve_memory(void *hprocessor, + u32 ul_size, void **pp_rsv_addr, + struct process_context *pr_ctxt); + +/* * ======== proc_un_map ======== * Purpose: * Removes a MPU buffer mapping from the DSP address space. @@ -572,4 +595,27 @@ extern int proc_map(void *hprocessor, extern int proc_un_map(void *hprocessor, void *map_addr, struct process_context *pr_ctxt); +/* + * ======== proc_un_reserve_memory ======== + * Purpose: + * Frees a previously reserved region of DSP address space. + * Parameters: + * hprocessor : The processor handle. + * prsv_addr : Ptr to DSP side reservedBYTE address. + * Returns: + * 0 : Success. + * -EFAULT : Invalid processor handle. + * -EPERM : General failure. + * -ENOENT : Cannot find a reserved region starting with this + * : address. + * Requires: + * prsv_addr is not NULL + * PROC Initialized. + * Ensures: + * Details: + */ +extern int proc_un_reserve_memory(void *hprocessor, + void *prsv_addr, + struct process_context *pr_ctxt); + #endif /* PROC_ */ diff --git a/drivers/staging/tidspbridge/pmgr/dev.c b/drivers/staging/tidspbridge/pmgr/dev.c index 7b30267ef0e..132e960967b 100644 --- a/drivers/staging/tidspbridge/pmgr/dev.c +++ b/drivers/staging/tidspbridge/pmgr/dev.c @@ -34,6 +34,7 @@ #include <dspbridge/cod.h> #include <dspbridge/drv.h> #include <dspbridge/proc.h> +#include <dspbridge/dmm.h> /* ----------------------------------- Resource Manager */ #include <dspbridge/mgr.h> @@ -74,6 +75,7 @@ struct dev_object { struct msg_mgr *hmsg_mgr; /* Message manager. */ struct io_mgr *hio_mgr; /* IO manager (CHNL, msg_ctrl) */ struct cmm_object *hcmm_mgr; /* SM memory manager. */ + struct dmm_object *dmm_mgr; /* Dynamic memory manager. */ struct ldr_module *module_obj; /* Bridge Module handle. */ u32 word_size; /* DSP word size: quick access. */ struct drv_object *hdrv_obj; /* Driver Object */ @@ -248,6 +250,9 @@ int dev_create_device(struct dev_object **device_obj, /* Instantiate the DEH module */ status = bridge_deh_create(&dev_obj->hdeh_mgr, dev_obj); } + /* Create DMM mgr . */ + status = dmm_create(&dev_obj->dmm_mgr, + (struct dev_object *)dev_obj, NULL); } /* Add the new DEV_Object to the global list: */ if (!status) { @@ -273,6 +278,8 @@ leave: kfree(dev_obj->proc_list); if (dev_obj->cod_mgr) cod_delete(dev_obj->cod_mgr); + if (dev_obj->dmm_mgr) + dmm_destroy(dev_obj->dmm_mgr); kfree(dev_obj); } @@ -382,6 +389,11 @@ int dev_destroy_device(struct dev_object *hdev_obj) dev_obj->hcmm_mgr = NULL; } + if (dev_obj->dmm_mgr) { + dmm_destroy(dev_obj->dmm_mgr); + dev_obj->dmm_mgr = NULL; + } + /* Call the driver's bridge_dev_destroy() function: */ /* Require of DevDestroy */ if (dev_obj->hbridge_context) { @@ -462,6 +474,32 @@ int dev_get_cmm_mgr(struct dev_object *hdev_obj, } /* + * ======== dev_get_dmm_mgr ======== + * Purpose: + * Retrieve the handle to the dynamic memory manager created for this + * device. + */ +int dev_get_dmm_mgr(struct dev_object *hdev_obj, + struct dmm_object **mgr) +{ + int status = 0; + struct dev_object *dev_obj = hdev_obj; + + DBC_REQUIRE(refs > 0); + DBC_REQUIRE(mgr != NULL); + + if (hdev_obj) { + *mgr = dev_obj->dmm_mgr; + } else { + *mgr = NULL; + status = -EFAULT; + } + + DBC_ENSURE(!status || (mgr != NULL && *mgr == NULL)); + return status; +} + +/* * ======== dev_get_cod_mgr ======== * Purpose: * Retrieve the COD manager create for this device. @@ -713,8 +751,10 @@ void dev_exit(void) refs--; - if (refs == 0) + if (refs == 0) { cmm_exit(); + dmm_exit(); + } DBC_ENSURE(refs >= 0); } @@ -726,12 +766,25 @@ void dev_exit(void) */ bool dev_init(void) { - bool ret = true; + bool cmm_ret, dmm_ret, ret = true; DBC_REQUIRE(refs >= 0); - if (refs == 0) - ret = cmm_init(); + if (refs == 0) { + cmm_ret = cmm_init(); + dmm_ret = dmm_init(); + + ret = cmm_ret && dmm_ret; + + if (!ret) { + if (cmm_ret) + cmm_exit(); + + if (dmm_ret) + dmm_exit(); + + } + } if (ret) refs++; @@ -1065,6 +1118,8 @@ static void store_interface_fxns(struct bridge_drv_interface *drv_fxns, STORE_FXN(fxn_brd_setstate, pfn_brd_set_state); STORE_FXN(fxn_brd_memcopy, pfn_brd_mem_copy); STORE_FXN(fxn_brd_memwrite, pfn_brd_mem_write); + STORE_FXN(fxn_brd_memmap, pfn_brd_mem_map); + STORE_FXN(fxn_brd_memunmap, pfn_brd_mem_un_map); STORE_FXN(fxn_chnl_create, pfn_chnl_create); STORE_FXN(fxn_chnl_destroy, pfn_chnl_destroy); STORE_FXN(fxn_chnl_open, pfn_chnl_open); diff --git a/drivers/staging/tidspbridge/pmgr/dmm.c b/drivers/staging/tidspbridge/pmgr/dmm.c new file mode 100644 index 00000000000..8685233d762 --- /dev/null +++ b/drivers/staging/tidspbridge/pmgr/dmm.c @@ -0,0 +1,533 @@ +/* + * dmm.c + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * The Dynamic Memory Manager (DMM) module manages the DSP Virtual address + * space that can be directly mapped to any MPU buffer or memory region + * + * Notes: + * Region: Generic memory entitiy having a start address and a size + * Chunk: Reserved region + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ +#include <linux/types.h> + +/* ----------------------------------- Host OS */ +#include <dspbridge/host_os.h> + +/* ----------------------------------- DSP/BIOS Bridge */ +#include <dspbridge/dbdefs.h> + +/* ----------------------------------- Trace & Debug */ +#include <dspbridge/dbc.h> + +/* ----------------------------------- OS Adaptation Layer */ +#include <dspbridge/sync.h> + +/* ----------------------------------- Platform Manager */ +#include <dspbridge/dev.h> +#include <dspbridge/proc.h> + +/* ----------------------------------- This */ +#include <dspbridge/dmm.h> + +/* ----------------------------------- Defines, Data Structures, Typedefs */ +#define DMM_ADDR_VIRTUAL(a) \ + (((struct map_page *)(a) - virtual_mapping_table) * PG_SIZE4K +\ + dyn_mem_map_beg) +#define DMM_ADDR_TO_INDEX(a) (((a) - dyn_mem_map_beg) / PG_SIZE4K) + +/* DMM Mgr */ +struct dmm_object { + /* Dmm Lock is used to serialize access mem manager for + * multi-threads. */ + spinlock_t dmm_lock; /* Lock to access dmm mgr */ +}; + +/* ----------------------------------- Globals */ +static u32 refs; /* module reference count */ +struct map_page { + u32 region_size:15; + u32 mapped_size:15; + u32 reserved:1; + u32 mapped:1; +}; + +/* Create the free list */ +static struct map_page *virtual_mapping_table; +static u32 free_region; /* The index of free region */ +static u32 free_size; +static u32 dyn_mem_map_beg; /* The Beginning of dynamic memory mapping */ +static u32 table_size; /* The size of virt and phys pages tables */ + +/* ----------------------------------- Function Prototypes */ +static struct map_page *get_region(u32 addr); +static struct map_page *get_free_region(u32 len); +static struct map_page *get_mapped_region(u32 addrs); + +/* ======== dmm_create_tables ======== + * Purpose: + * Create table to hold the information of physical address + * the buffer pages that is passed by the user, and the table + * to hold the information of the virtual memory that is reserved + * for DSP. + */ +int dmm_create_tables(struct dmm_object *dmm_mgr, u32 addr, u32 size) +{ + struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; + int status = 0; + + status = dmm_delete_tables(dmm_obj); + if (!status) { + dyn_mem_map_beg = addr; + table_size = PG_ALIGN_HIGH(size, PG_SIZE4K) / PG_SIZE4K; + /* Create the free list */ + virtual_mapping_table = __vmalloc(table_size * + sizeof(struct map_page), GFP_KERNEL | + __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL); + if (virtual_mapping_table == NULL) + status = -ENOMEM; + else { + /* On successful allocation, + * all entries are zero ('free') */ + free_region = 0; + free_size = table_size * PG_SIZE4K; + virtual_mapping_table[0].region_size = table_size; + } + } + + if (status) + pr_err("%s: failure, status 0x%x\n", __func__, status); + + return status; +} + +/* + * ======== dmm_create ======== + * Purpose: + * Create a dynamic memory manager object. + */ +int dmm_create(struct dmm_object **dmm_manager, + struct dev_object *hdev_obj, + const struct dmm_mgrattrs *mgr_attrts) +{ + struct dmm_object *dmm_obj = NULL; + int status = 0; + DBC_REQUIRE(refs > 0); + DBC_REQUIRE(dmm_manager != NULL); + + *dmm_manager = NULL; + /* create, zero, and tag a cmm mgr object */ + dmm_obj = kzalloc(sizeof(struct dmm_object), GFP_KERNEL); + if (dmm_obj != NULL) { + spin_lock_init(&dmm_obj->dmm_lock); + *dmm_manager = dmm_obj; + } else { + status = -ENOMEM; + } + + return status; +} + +/* + * ======== dmm_destroy ======== + * Purpose: + * Release the communication memory manager resources. + */ +int dmm_destroy(struct dmm_object *dmm_mgr) +{ + struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; + int status = 0; + + DBC_REQUIRE(refs > 0); + if (dmm_mgr) { + status = dmm_delete_tables(dmm_obj); + if (!status) + kfree(dmm_obj); + } else + status = -EFAULT; + + return status; +} + +/* + * ======== dmm_delete_tables ======== + * Purpose: + * Delete DMM Tables. + */ +int dmm_delete_tables(struct dmm_object *dmm_mgr) +{ + int status = 0; + + DBC_REQUIRE(refs > 0); + /* Delete all DMM tables */ + if (dmm_mgr) + vfree(virtual_mapping_table); + else + status = -EFAULT; + return status; +} + +/* + * ======== dmm_exit ======== + * Purpose: + * Discontinue usage of module; free resources when reference count + * reaches 0. + */ +void dmm_exit(void) +{ + DBC_REQUIRE(refs > 0); + + refs--; +} + +/* + * ======== dmm_get_handle ======== + * Purpose: + * Return the dynamic memory manager object for this device. + * This is typically called from the client process. + */ +int dmm_get_handle(void *hprocessor, struct dmm_object **dmm_manager) +{ + int status = 0; + struct dev_object *hdev_obj; + + DBC_REQUIRE(refs > 0); + DBC_REQUIRE(dmm_manager != NULL); + if (hprocessor != NULL) + status = proc_get_dev_object(hprocessor, &hdev_obj); + else + hdev_obj = dev_get_first(); /* default */ + + if (!status) + status = dev_get_dmm_mgr(hdev_obj, dmm_manager); + + return status; +} + +/* + * ======== dmm_init ======== + * Purpose: + * Initializes private state of DMM module. + */ +bool dmm_init(void) +{ + bool ret = true; + + DBC_REQUIRE(refs >= 0); + + if (ret) + refs++; + + DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); + + virtual_mapping_table = NULL; + table_size = 0; + + return ret; +} + +/* + * ======== dmm_map_memory ======== + * Purpose: + * Add a mapping block to the reserved chunk. DMM assumes that this block + * will be mapped in the DSP/IVA's address space. DMM returns an error if a + * mapping overlaps another one. This function stores the info that will be + * required later while unmapping the block. + */ +int dmm_map_memory(struct dmm_object *dmm_mgr, u32 addr, u32 size) +{ + struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; + struct map_page *chunk; + int status = 0; + + spin_lock(&dmm_obj->dmm_lock); + /* Find the Reserved memory chunk containing the DSP block to + * be mapped */ + chunk = (struct map_page *)get_region(addr); + if (chunk != NULL) { + /* Mark the region 'mapped', leave the 'reserved' info as-is */ + chunk->mapped = true; + chunk->mapped_size = (size / PG_SIZE4K); + } else + status = -ENOENT; + spin_unlock(&dmm_obj->dmm_lock); + + dev_dbg(bridge, "%s dmm_mgr %p, addr %x, size %x\n\tstatus %x, " + "chunk %p", __func__, dmm_mgr, addr, size, status, chunk); + + return status; +} + +/* + * ======== dmm_reserve_memory ======== + * Purpose: + * Reserve a chunk of virtually contiguous DSP/IVA address space. + */ +int dmm_reserve_memory(struct dmm_object *dmm_mgr, u32 size, + u32 *prsv_addr) +{ + int status = 0; + struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; + struct map_page *node; + u32 rsv_addr = 0; + u32 rsv_size = 0; + + spin_lock(&dmm_obj->dmm_lock); + + /* Try to get a DSP chunk from the free list */ + node = get_free_region(size); + if (node != NULL) { + /* DSP chunk of given size is available. */ + rsv_addr = DMM_ADDR_VIRTUAL(node); + /* Calculate the number entries to use */ + rsv_size = size / PG_SIZE4K; + if (rsv_size < node->region_size) { + /* Mark remainder of free region */ + node[rsv_size].mapped = false; + node[rsv_size].reserved = false; + node[rsv_size].region_size = + node->region_size - rsv_size; + node[rsv_size].mapped_size = 0; + } + /* get_region will return first fit chunk. But we only use what + is requested. */ + node->mapped = false; + node->reserved = true; + node->region_size = rsv_size; + node->mapped_size = 0; + /* Return the chunk's starting address */ + *prsv_addr = rsv_addr; + } else + /*dSP chunk of given size is not available */ + status = -ENOMEM; + + spin_unlock(&dmm_obj->dmm_lock); + + dev_dbg(bridge, "%s dmm_mgr %p, size %x, prsv_addr %p\n\tstatus %x, " + "rsv_addr %x, rsv_size %x\n", __func__, dmm_mgr, size, + prsv_addr, status, rsv_addr, rsv_size); + + return status; +} + +/* + * ======== dmm_un_map_memory ======== + * Purpose: + * Remove the mapped block from the reserved chunk. + */ +int dmm_un_map_memory(struct dmm_object *dmm_mgr, u32 addr, u32 *psize) +{ + struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; + struct map_page *chunk; + int status = 0; + + spin_lock(&dmm_obj->dmm_lock); + chunk = get_mapped_region(addr); + if (chunk == NULL) + status = -ENOENT; + + if (!status) { + /* Unmap the region */ + *psize = chunk->mapped_size * PG_SIZE4K; + chunk->mapped = false; + chunk->mapped_size = 0; + } + spin_unlock(&dmm_obj->dmm_lock); + + dev_dbg(bridge, "%s: dmm_mgr %p, addr %x, psize %p\n\tstatus %x, " + "chunk %p\n", __func__, dmm_mgr, addr, psize, status, chunk); + + return status; +} + +/* + * ======== dmm_un_reserve_memory ======== + * Purpose: + * Free a chunk of reserved DSP/IVA address space. + */ +int dmm_un_reserve_memory(struct dmm_object *dmm_mgr, u32 rsv_addr) +{ + struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; + struct map_page *chunk; + u32 i; + int status = 0; + u32 chunk_size; + + spin_lock(&dmm_obj->dmm_lock); + + /* Find the chunk containing the reserved address */ + chunk = get_mapped_region(rsv_addr); + if (chunk == NULL) + status = -ENOENT; + + if (!status) { + /* Free all the mapped pages for this reserved region */ + i = 0; + while (i < chunk->region_size) { + if (chunk[i].mapped) { + /* Remove mapping from the page tables. */ + chunk_size = chunk[i].mapped_size; + /* Clear the mapping flags */ + chunk[i].mapped = false; + chunk[i].mapped_size = 0; + i += chunk_size; + } else + i++; + } + /* Clear the flags (mark the region 'free') */ + chunk->reserved = false; + /* NOTE: We do NOT coalesce free regions here. + * Free regions are coalesced in get_region(), as it traverses + *the whole mapping table + */ + } + spin_unlock(&dmm_obj->dmm_lock); + + dev_dbg(bridge, "%s: dmm_mgr %p, rsv_addr %x\n\tstatus %x chunk %p", + __func__, dmm_mgr, rsv_addr, status, chunk); + + return status; +} + +/* + * ======== get_region ======== + * Purpose: + * Returns a region containing the specified memory region + */ +static struct map_page *get_region(u32 addr) +{ + struct map_page *curr_region = NULL; + u32 i = 0; + + if (virtual_mapping_table != NULL) { + /* find page mapped by this address */ + i = DMM_ADDR_TO_INDEX(addr); + if (i < table_size) + curr_region = virtual_mapping_table + i; + } + + dev_dbg(bridge, "%s: curr_region %p, free_region %d, free_size %d\n", + __func__, curr_region, free_region, free_size); + return curr_region; +} + +/* + * ======== get_free_region ======== + * Purpose: + * Returns the requested free region + */ +static struct map_page *get_free_region(u32 len) +{ + struct map_page *curr_region = NULL; + u32 i = 0; + u32 region_size = 0; + u32 next_i = 0; + + if (virtual_mapping_table == NULL) + return curr_region; + if (len > free_size) { + /* Find the largest free region + * (coalesce during the traversal) */ + while (i < table_size) { + region_size = virtual_mapping_table[i].region_size; + next_i = i + region_size; + if (virtual_mapping_table[i].reserved == false) { + /* Coalesce, if possible */ + if (next_i < table_size && + virtual_mapping_table[next_i].reserved + == false) { + virtual_mapping_table[i].region_size += + virtual_mapping_table + [next_i].region_size; + continue; + } + region_size *= PG_SIZE4K; + if (region_size > free_size) { + free_region = i; + free_size = region_size; + } + } + i = next_i; + } + } + if (len <= free_size) { + curr_region = virtual_mapping_table + free_region; + free_region += (len / PG_SIZE4K); + free_size -= len; + } + return curr_region; +} + +/* + * ======== get_mapped_region ======== + * Purpose: + * Returns the requestedmapped region + */ +static struct map_page *get_mapped_region(u32 addrs) +{ + u32 i = 0; + struct map_page *curr_region = NULL; + + if (virtual_mapping_table == NULL) + return curr_region; + + i = DMM_ADDR_TO_INDEX(addrs); + if (i < table_size && (virtual_mapping_table[i].mapped || + virtual_mapping_table[i].reserved)) + curr_region = virtual_mapping_table + i; + return curr_region; +} + +#ifdef DSP_DMM_DEBUG +u32 dmm_mem_map_dump(struct dmm_object *dmm_mgr) +{ + struct map_page *curr_node = NULL; + u32 i; + u32 freemem = 0; + u32 bigsize = 0; + + spin_lock(&dmm_mgr->dmm_lock); + + if (virtual_mapping_table != NULL) { + for (i = 0; i < table_size; i += + virtual_mapping_table[i].region_size) { + curr_node = virtual_mapping_table + i; + if (curr_node->reserved) { + /*printk("RESERVED size = 0x%x, " + "Map size = 0x%x\n", + (curr_node->region_size * PG_SIZE4K), + (curr_node->mapped == false) ? 0 : + (curr_node->mapped_size * PG_SIZE4K)); + */ + } else { +/* printk("UNRESERVED size = 0x%x\n", + (curr_node->region_size * PG_SIZE4K)); + */ + freemem += (curr_node->region_size * PG_SIZE4K); + if (curr_node->region_size > bigsize) + bigsize = curr_node->region_size; + } + } + } + spin_unlock(&dmm_mgr->dmm_lock); + printk(KERN_INFO "Total DSP VA FREE memory = %d Mbytes\n", + freemem / (1024 * 1024)); + printk(KERN_INFO "Total DSP VA USED memory= %d Mbytes \n", + (((table_size * PG_SIZE4K) - freemem)) / (1024 * 1024)); + printk(KERN_INFO "DSP VA - Biggest FREE block = %d Mbytes \n\n", + (bigsize * PG_SIZE4K / (1024 * 1024))); + + return 0; +} +#endif diff --git a/drivers/staging/tidspbridge/pmgr/dspapi.c b/drivers/staging/tidspbridge/pmgr/dspapi.c index 981551ce4d7..86ca785f191 100644 --- a/drivers/staging/tidspbridge/pmgr/dspapi.c +++ b/drivers/staging/tidspbridge/pmgr/dspapi.c @@ -993,10 +993,27 @@ u32 procwrap_register_notify(union trapped_args *args, void *pr_ctxt) /* * ======== procwrap_reserve_memory ======== */ -u32 __deprecated procwrap_reserve_memory(union trapped_args *args, - void *pr_ctxt) +u32 procwrap_reserve_memory(union trapped_args *args, void *pr_ctxt) { - return 0; + int status; + void *prsv_addr; + void *hprocessor = ((struct process_context *)pr_ctxt)->hprocessor; + + if ((args->args_proc_rsvmem.ul_size <= 0) || + (args->args_proc_rsvmem.ul_size & (PG_SIZE4K - 1)) != 0) + return -EINVAL; + + status = proc_reserve_memory(hprocessor, + args->args_proc_rsvmem.ul_size, &prsv_addr, + pr_ctxt); + if (!status) { + if (put_user(prsv_addr, args->args_proc_rsvmem.pp_rsv_addr)) { + status = -EINVAL; + proc_un_reserve_memory(args->args_proc_rsvmem. + hprocessor, prsv_addr, pr_ctxt); + } + } + return status; } /* @@ -1025,10 +1042,15 @@ u32 procwrap_un_map(union trapped_args *args, void *pr_ctxt) /* * ======== procwrap_un_reserve_memory ======== */ -u32 __deprecated procwrap_un_reserve_memory(union trapped_args *args, - void *pr_ctxt) +u32 procwrap_un_reserve_memory(union trapped_args *args, void *pr_ctxt) { - return 0; + int status; + void *hprocessor = ((struct process_context *)pr_ctxt)->hprocessor; + + status = proc_un_reserve_memory(hprocessor, + args->args_proc_unrsvmem.prsv_addr, + pr_ctxt); + return status; } /* diff --git a/drivers/staging/tidspbridge/rmgr/drv.c b/drivers/staging/tidspbridge/rmgr/drv.c index 91cc168516e..81b1b901355 100644 --- a/drivers/staging/tidspbridge/rmgr/drv.c +++ b/drivers/staging/tidspbridge/rmgr/drv.c @@ -146,6 +146,7 @@ int drv_remove_all_dmm_res_elements(void *process_ctxt) struct process_context *ctxt = (struct process_context *)process_ctxt; int status = 0; struct dmm_map_object *temp_map, *map_obj; + struct dmm_rsv_object *temp_rsv, *rsv_obj; /* Free DMM mapped memory resources */ list_for_each_entry_safe(map_obj, temp_map, &ctxt->dmm_map_list, link) { @@ -155,6 +156,16 @@ int drv_remove_all_dmm_res_elements(void *process_ctxt) pr_err("%s: proc_un_map failed!" " status = 0x%xn", __func__, status); } + + /* Free DMM reserved memory resources */ + list_for_each_entry_safe(rsv_obj, temp_rsv, &ctxt->dmm_rsv_list, link) { + status = proc_un_reserve_memory(ctxt->hprocessor, (void *) + rsv_obj->dsp_reserved_addr, + ctxt); + if (status) + pr_err("%s: proc_un_reserve_memory failed!" + " status = 0x%xn", __func__, status); + } return status; } @@ -732,6 +743,7 @@ static int request_bridge_resources(struct cfg_hostres *res) host_res->dw_sys_ctrl_base = ioremap(OMAP_SYSC_BASE, OMAP_SYSC_SIZE); dev_dbg(bridge, "dw_mem_base[0] 0x%x\n", host_res->dw_mem_base[0]); dev_dbg(bridge, "dw_mem_base[3] 0x%x\n", host_res->dw_mem_base[3]); + dev_dbg(bridge, "dw_dmmu_base %p\n", host_res->dw_dmmu_base); /* for 24xx base port is not mapping the mamory for DSP * internal memory TODO Do a ioremap here */ @@ -785,6 +797,8 @@ int drv_request_bridge_res_dsp(void **phost_resources) OMAP_PER_PRM_SIZE); host_res->dw_core_pm_base = (u32) ioremap(OMAP_CORE_PRM_BASE, OMAP_CORE_PRM_SIZE); + host_res->dw_dmmu_base = ioremap(OMAP_DMMU_BASE, + OMAP_DMMU_SIZE); dev_dbg(bridge, "dw_mem_base[0] 0x%x\n", host_res->dw_mem_base[0]); @@ -796,6 +810,7 @@ int drv_request_bridge_res_dsp(void **phost_resources) host_res->dw_mem_base[3]); dev_dbg(bridge, "dw_mem_base[4] 0x%x\n", host_res->dw_mem_base[4]); + dev_dbg(bridge, "dw_dmmu_base %p\n", host_res->dw_dmmu_base); shm_size = drv_datap->shm_size; if (shm_size >= 0x10000) { diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c index 34be43fec04..324fcdffb3b 100644 --- a/drivers/staging/tidspbridge/rmgr/drv_interface.c +++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c @@ -509,6 +509,8 @@ static int bridge_open(struct inode *ip, struct file *filp) pr_ctxt->res_state = PROC_RES_ALLOCATED; spin_lock_init(&pr_ctxt->dmm_map_lock); INIT_LIST_HEAD(&pr_ctxt->dmm_map_list); + spin_lock_init(&pr_ctxt->dmm_rsv_lock); + INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list); pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL); if (pr_ctxt->node_id) { diff --git a/drivers/staging/tidspbridge/rmgr/node.c b/drivers/staging/tidspbridge/rmgr/node.c index a660247f527..1562f3c1281 100644 --- a/drivers/staging/tidspbridge/rmgr/node.c +++ b/drivers/staging/tidspbridge/rmgr/node.c @@ -56,6 +56,7 @@ /* ----------------------------------- This */ #include <dspbridge/nodepriv.h> #include <dspbridge/node.h> +#include <dspbridge/dmm.h> /* Static/Dynamic Loader includes */ #include <dspbridge/dbll.h> @@ -316,6 +317,10 @@ int node_allocate(struct proc_object *hprocessor, u32 mapped_addr = 0; u32 map_attrs = 0x0; struct dsp_processorstate proc_state; +#ifdef DSP_DMM_DEBUG + struct dmm_object *dmm_mgr; + struct proc_object *p_proc_object = (struct proc_object *)hprocessor; +#endif void *node_res; @@ -425,12 +430,34 @@ int node_allocate(struct proc_object *hprocessor, if (status) goto func_cont; + status = proc_reserve_memory(hprocessor, + pnode->create_args.asa.task_arg_obj. + heap_size + PAGE_SIZE, + (void **)&(pnode->create_args.asa. + task_arg_obj.udsp_heap_res_addr), + pr_ctxt); + if (status) { + pr_err("%s: Failed to reserve memory for heap: 0x%x\n", + __func__, status); + goto func_cont; + } +#ifdef DSP_DMM_DEBUG + status = dmm_get_handle(p_proc_object, &dmm_mgr); + if (!dmm_mgr) { + status = DSP_EHANDLE; + goto func_cont; + } + + dmm_mem_map_dump(dmm_mgr); +#endif + map_attrs |= DSP_MAPLITTLEENDIAN; map_attrs |= DSP_MAPELEMSIZE32; map_attrs |= DSP_MAPVIRTUALADDR; status = proc_map(hprocessor, (void *)attr_in->pgpp_virt_addr, pnode->create_args.asa.task_arg_obj.heap_size, - NULL, (void **)&mapped_addr, map_attrs, + (void *)pnode->create_args.asa.task_arg_obj. + udsp_heap_res_addr, (void **)&mapped_addr, map_attrs, pr_ctxt); if (status) pr_err("%s: Failed to map memory for Heap: 0x%x\n", @@ -2484,7 +2511,11 @@ static void delete_node(struct node_object *hnode, struct stream_chnl stream; struct node_msgargs node_msg_args; struct node_taskargs task_arg_obj; - +#ifdef DSP_DMM_DEBUG + struct dmm_object *dmm_mgr; + struct proc_object *p_proc_object = + (struct proc_object *)hnode->hprocessor; +#endif int status; if (!hnode) goto func_end; @@ -2545,6 +2576,19 @@ static void delete_node(struct node_object *hnode, status = proc_un_map(hnode->hprocessor, (void *) task_arg_obj.udsp_heap_addr, pr_ctxt); + + status = proc_un_reserve_memory(hnode->hprocessor, + (void *) + task_arg_obj. + udsp_heap_res_addr, + pr_ctxt); +#ifdef DSP_DMM_DEBUG + status = dmm_get_handle(p_proc_object, &dmm_mgr); + if (dmm_mgr) + dmm_mem_map_dump(dmm_mgr); + else + status = DSP_EHANDLE; +#endif } } if (node_type != NODE_MESSAGE) { diff --git a/drivers/staging/tidspbridge/rmgr/proc.c b/drivers/staging/tidspbridge/rmgr/proc.c index 7a15a02efed..b47d7aa747b 100644 --- a/drivers/staging/tidspbridge/rmgr/proc.c +++ b/drivers/staging/tidspbridge/rmgr/proc.c @@ -39,6 +39,7 @@ #include <dspbridge/cod.h> #include <dspbridge/dev.h> #include <dspbridge/procpriv.h> +#include <dspbridge/dmm.h> /* ----------------------------------- Resource Manager */ #include <dspbridge/mgr.h> @@ -51,7 +52,6 @@ #include <dspbridge/msg.h> #include <dspbridge/dspioctl.h> #include <dspbridge/drv.h> -#include <_tiomap.h> /* ----------------------------------- This */ #include <dspbridge/proc.h> @@ -151,21 +151,34 @@ static struct dmm_map_object *add_mapping_info(struct process_context *pr_ctxt, return map_obj; } +static int match_exact_map_obj(struct dmm_map_object *map_obj, + u32 dsp_addr, u32 size) +{ + if (map_obj->dsp_addr == dsp_addr && map_obj->size != size) + pr_err("%s: addr match (0x%x), size don't (0x%x != 0x%x)\n", + __func__, dsp_addr, map_obj->size, size); + + return map_obj->dsp_addr == dsp_addr && + map_obj->size == size; +} + static void remove_mapping_information(struct process_context *pr_ctxt, - u32 dsp_addr) + u32 dsp_addr, u32 size) { struct dmm_map_object *map_obj; - pr_debug("%s: looking for virt 0x%x\n", __func__, dsp_addr); + pr_debug("%s: looking for virt 0x%x size 0x%x\n", __func__, + dsp_addr, size); spin_lock(&pr_ctxt->dmm_map_lock); list_for_each_entry(map_obj, &pr_ctxt->dmm_map_list, link) { - pr_debug("%s: candidate: mpu_addr 0x%x virt 0x%x\n", + pr_debug("%s: candidate: mpu_addr 0x%x virt 0x%x size 0x%x\n", __func__, map_obj->mpu_addr, - map_obj->dsp_addr); + map_obj->dsp_addr, + map_obj->size); - if (map_obj->dsp_addr == dsp_addr) { + if (match_exact_map_obj(map_obj, dsp_addr, size)) { pr_debug("%s: match, deleting map info\n", __func__); list_del(&map_obj->link); kfree(map_obj->dma_info.sg); @@ -1077,6 +1090,7 @@ int proc_load(void *hprocessor, const s32 argc_index, s32 cnew_envp; /* " " in new_envp[] */ s32 nproc_id = 0; /* Anticipate MP version. */ struct dcd_manager *hdcd_handle; + struct dmm_object *dmm_mgr; u32 dw_ext_end; u32 proc_id; int brd_state; @@ -1267,6 +1281,25 @@ int proc_load(void *hprocessor, const s32 argc_index, if (!status) status = cod_get_sym_value(cod_mgr, EXTEND, &dw_ext_end); + + /* Reset DMM structs and add an initial free chunk */ + if (!status) { + status = + dev_get_dmm_mgr(p_proc_object->hdev_obj, + &dmm_mgr); + if (dmm_mgr) { + /* Set dw_ext_end to DMM START u8 + * address */ + dw_ext_end = + (dw_ext_end + 1) * DSPWORDSIZE; + /* DMM memory is from EXT_END */ + status = dmm_create_tables(dmm_mgr, + dw_ext_end, + DMMPOOLSIZE); + } else { + status = -EFAULT; + } + } } } /* Restore the original argv[0] */ @@ -1319,10 +1352,12 @@ int proc_map(void *hprocessor, void *pmpu_addr, u32 ul_size, { u32 va_align; u32 pa_align; + struct dmm_object *dmm_mgr; u32 size_align; int status = 0; struct proc_object *p_proc_object = (struct proc_object *)hprocessor; struct dmm_map_object *map_obj; + u32 tmp_addr = 0; #ifdef CONFIG_TIDSPBRIDGE_CACHE_LINE_CHECK if ((ul_map_attr & BUFMODE_MASK) != RBUF) { @@ -1347,30 +1382,33 @@ int proc_map(void *hprocessor, void *pmpu_addr, u32 ul_size, } /* Critical section */ mutex_lock(&proc_lock); + dmm_get_handle(p_proc_object, &dmm_mgr); + if (dmm_mgr) + status = dmm_map_memory(dmm_mgr, va_align, size_align); + else + status = -EFAULT; /* Add mapping to the page tables. */ if (!status) { + + /* Mapped address = MSB of VA | LSB of PA */ + tmp_addr = (va_align | ((u32) pmpu_addr & (PG_SIZE4K - 1))); /* mapped memory resource tracking */ - map_obj = add_mapping_info(pr_ctxt, pa_align, va_align, + map_obj = add_mapping_info(pr_ctxt, pa_align, tmp_addr, size_align); - if (!map_obj) { + if (!map_obj) status = -ENOMEM; - } else { - va_align = user_to_dsp_map( - p_proc_object->hbridge_context->dsp_mmu, - pa_align, va_align, size_align, - map_obj->pages); - if (IS_ERR_VALUE(va_align)) - status = (int)va_align; - } + else + status = (*p_proc_object->intf_fxns->pfn_brd_mem_map) + (p_proc_object->hbridge_context, pa_align, va_align, + size_align, ul_map_attr, map_obj->pages); } if (!status) { /* Mapped address = MSB of VA | LSB of PA */ - map_obj->dsp_addr = (va_align | - ((u32)pmpu_addr & (PG_SIZE4K - 1))); - *pp_map_addr = (void *)map_obj->dsp_addr; + *pp_map_addr = (void *) tmp_addr; } else { - remove_mapping_information(pr_ctxt, va_align); + remove_mapping_information(pr_ctxt, tmp_addr, size_align); + dmm_un_map_memory(dmm_mgr, va_align, &size_align); } mutex_unlock(&proc_lock); @@ -1463,6 +1501,55 @@ func_end: } /* + * ======== proc_reserve_memory ======== + * Purpose: + * Reserve a virtually contiguous region of DSP address space. + */ +int proc_reserve_memory(void *hprocessor, u32 ul_size, + void **pp_rsv_addr, + struct process_context *pr_ctxt) +{ + struct dmm_object *dmm_mgr; + int status = 0; + struct proc_object *p_proc_object = (struct proc_object *)hprocessor; + struct dmm_rsv_object *rsv_obj; + + if (!p_proc_object) { + status = -EFAULT; + goto func_end; + } + + status = dmm_get_handle(p_proc_object, &dmm_mgr); + if (!dmm_mgr) { + status = -EFAULT; + goto func_end; + } + + status = dmm_reserve_memory(dmm_mgr, ul_size, (u32 *) pp_rsv_addr); + if (status != 0) + goto func_end; + + /* + * A successful reserve should be followed by insertion of rsv_obj + * into dmm_rsv_list, so that reserved memory resource tracking + * remains uptodate + */ + rsv_obj = kmalloc(sizeof(struct dmm_rsv_object), GFP_KERNEL); + if (rsv_obj) { + rsv_obj->dsp_reserved_addr = (u32) *pp_rsv_addr; + spin_lock(&pr_ctxt->dmm_rsv_lock); + list_add(&rsv_obj->link, &pr_ctxt->dmm_rsv_list); + spin_unlock(&pr_ctxt->dmm_rsv_lock); + } + +func_end: + dev_dbg(bridge, "%s: hprocessor: 0x%p ul_size: 0x%x pp_rsv_addr: 0x%p " + "status 0x%x\n", __func__, hprocessor, + ul_size, pp_rsv_addr, status); + return status; +} + +/* * ======== proc_start ======== * Purpose: * Start a processor running. @@ -1610,7 +1697,9 @@ int proc_un_map(void *hprocessor, void *map_addr, { int status = 0; struct proc_object *p_proc_object = (struct proc_object *)hprocessor; + struct dmm_object *dmm_mgr; u32 va_align; + u32 size_align; va_align = PG_ALIGN_LOW((u32) map_addr, PG_SIZE4K); if (!p_proc_object) { @@ -1618,11 +1707,24 @@ int proc_un_map(void *hprocessor, void *map_addr, goto func_end; } + status = dmm_get_handle(hprocessor, &dmm_mgr); + if (!dmm_mgr) { + status = -EFAULT; + goto func_end; + } + /* Critical section */ mutex_lock(&proc_lock); + /* + * Update DMM structures. Get the size to unmap. + * This function returns error if the VA is not mapped + */ + status = dmm_un_map_memory(dmm_mgr, (u32) va_align, &size_align); /* Remove mapping from the page tables. */ - status = user_to_dsp_unmap(p_proc_object->hbridge_context->dsp_mmu, - va_align); + if (!status) { + status = (*p_proc_object->intf_fxns->pfn_brd_mem_un_map) + (p_proc_object->hbridge_context, va_align, size_align); + } mutex_unlock(&proc_lock); if (status) @@ -1633,7 +1735,7 @@ int proc_un_map(void *hprocessor, void *map_addr, * from dmm_map_list, so that mapped memory resource tracking * remains uptodate */ - remove_mapping_information(pr_ctxt, (u32) map_addr); + remove_mapping_information(pr_ctxt, (u32) map_addr, size_align); func_end: dev_dbg(bridge, "%s: hprocessor: 0x%p map_addr: 0x%p status: 0x%x\n", @@ -1642,6 +1744,55 @@ func_end: } /* + * ======== proc_un_reserve_memory ======== + * Purpose: + * Frees a previously reserved region of DSP address space. + */ +int proc_un_reserve_memory(void *hprocessor, void *prsv_addr, + struct process_context *pr_ctxt) +{ + struct dmm_object *dmm_mgr; + int status = 0; + struct proc_object *p_proc_object = (struct proc_object *)hprocessor; + struct dmm_rsv_object *rsv_obj; + + if (!p_proc_object) { + status = -EFAULT; + goto func_end; + } + + status = dmm_get_handle(p_proc_object, &dmm_mgr); + if (!dmm_mgr) { + status = -EFAULT; + goto func_end; + } + + status = dmm_un_reserve_memory(dmm_mgr, (u32) prsv_addr); + if (status != 0) + goto func_end; + + /* + * A successful unreserve should be followed by removal of rsv_obj + * from dmm_rsv_list, so that reserved memory resource tracking + * remains uptodate + */ + spin_lock(&pr_ctxt->dmm_rsv_lock); + list_for_each_entry(rsv_obj, &pr_ctxt->dmm_rsv_list, link) { + if (rsv_obj->dsp_reserved_addr == (u32) prsv_addr) { + list_del(&rsv_obj->link); + kfree(rsv_obj); + break; + } + } + spin_unlock(&pr_ctxt->dmm_rsv_lock); + +func_end: + dev_dbg(bridge, "%s: hprocessor: 0x%p prsv_addr: 0x%p status: 0x%x\n", + __func__, hprocessor, prsv_addr, status); + return status; +} + +/* * ======== = proc_monitor ======== == * Purpose: * Place the Processor in Monitor State. This is an internal diff --git a/drivers/staging/tm6000/tm6000-video.c b/drivers/staging/tm6000/tm6000-video.c index 9ec82796634..c5690b2a892 100644 --- a/drivers/staging/tm6000/tm6000-video.c +++ b/drivers/staging/tm6000/tm6000-video.c @@ -1032,6 +1032,7 @@ static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm) struct tm6000_fh *fh=priv; struct tm6000_core *dev = fh->dev; + dev->norm = *norm; rc = tm6000_init_analog_mode(dev); fh->width = dev->width; diff --git a/drivers/staging/udlfb/udlfb.c b/drivers/staging/udlfb/udlfb.c index 5969e848d29..fed25105970 100644 --- a/drivers/staging/udlfb/udlfb.c +++ b/drivers/staging/udlfb/udlfb.c @@ -887,7 +887,7 @@ static int dlfb_ops_open(struct fb_info *info, int user) struct fb_deferred_io *fbdefio; - fbdefio = kmalloc(GFP_KERNEL, sizeof(struct fb_deferred_io)); + fbdefio = kmalloc(sizeof(struct fb_deferred_io), GFP_KERNEL); if (fbdefio) { fbdefio->delay = DL_DEFIO_WRITE_DELAY; diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index e992d5d9e15..7cc3d2407d1 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -1675,13 +1675,14 @@ static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { { char essid[IW_ESSID_MAX_SIZE+1]; - if (wrq->u.essid.pointer) + if (wrq->u.essid.pointer) { rc = iwctl_giwessid(dev, NULL, &(wrq->u.essid), essid); if (copy_to_user(wrq->u.essid.pointer, essid, wrq->u.essid.length) ) rc = -EFAULT; + } } break; diff --git a/drivers/staging/westbridge/astoria/api/src/cyasusb.c b/drivers/staging/westbridge/astoria/api/src/cyasusb.c index 5a219701206..7777d9a60a5 100644 --- a/drivers/staging/westbridge/astoria/api/src/cyasusb.c +++ b/drivers/staging/westbridge/astoria/api/src/cyasusb.c @@ -1417,7 +1417,6 @@ cy_as_usb_set_enum_config(cy_as_device_handle handle, */ bus_mask = 0; media_mask = 0; - media_mask = 0; for (bus = 0; bus < CY_AS_MAX_BUSES; bus++) { for (device = 0; device < CY_AS_MAX_STORAGE_DEVICES; device++) { if (config_p->devices_to_enumerate[bus][device] == diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c index 4af83d5318f..6a71f52c59b 100644 --- a/drivers/staging/wlan-ng/cfg80211.c +++ b/drivers/staging/wlan-ng/cfg80211.c @@ -139,7 +139,7 @@ exit: } int prism2_add_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_index, const u8 *mac_addr, + u8 key_index, bool pairwise, const u8 *mac_addr, struct key_params *params) { wlandevice_t *wlandev = dev->ml_priv; @@ -198,7 +198,7 @@ exit: } int prism2_get_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_index, const u8 *mac_addr, void *cookie, + u8 key_index, bool pairwise, const u8 *mac_addr, void *cookie, void (*callback)(void *cookie, struct key_params*)) { wlandevice_t *wlandev = dev->ml_priv; @@ -227,7 +227,7 @@ int prism2_get_key(struct wiphy *wiphy, struct net_device *dev, } int prism2_del_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_index, const u8 *mac_addr) + u8 key_index, bool pairwise, const u8 *mac_addr) { wlandevice_t *wlandev = dev->ml_priv; u32 did; diff --git a/drivers/staging/wlan-ng/p80211netdev.c b/drivers/staging/wlan-ng/p80211netdev.c index aa1792c8429..b7b4a733b46 100644 --- a/drivers/staging/wlan-ng/p80211netdev.c +++ b/drivers/staging/wlan-ng/p80211netdev.c @@ -522,8 +522,8 @@ static int p80211netdev_ethtool(wlandevice_t *wlandev, void __user *useraddr) if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; return 0; - } #endif + } return -EOPNOTSUPP; } diff --git a/drivers/tty/Makefile b/drivers/tty/Makefile new file mode 100644 index 00000000000..c43ef48b1a0 --- /dev/null +++ b/drivers/tty/Makefile @@ -0,0 +1,11 @@ +obj-y += tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o \ + tty_buffer.o tty_port.o tty_mutex.o +obj-$(CONFIG_LEGACY_PTYS) += pty.o +obj-$(CONFIG_UNIX98_PTYS) += pty.o +obj-$(CONFIG_AUDIT) += tty_audit.o +obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o +obj-$(CONFIG_N_HDLC) += n_hdlc.o +obj-$(CONFIG_N_GSM) += n_gsm.o +obj-$(CONFIG_R3964) += n_r3964.o + +obj-y += vt/ diff --git a/drivers/char/n_gsm.c b/drivers/tty/n_gsm.c index 04ef3ef0a42..81b46585edf 100644 --- a/drivers/char/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -716,8 +716,8 @@ static void __gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg) if (msg->len < 128) *--dp = (msg->len << 1) | EA; else { - *--dp = (msg->len >> 6) | EA; - *--dp = (msg->len & 127) << 1; + *--dp = ((msg->len & 127) << 1) | EA; + *--dp = (msg->len >> 6) & 0xfe; } } @@ -2375,6 +2375,7 @@ static int gsmld_config(struct tty_struct *tty, struct gsm_mux *gsm, gsm->mru = c->mru; gsm->encoding = c->encapsulation; gsm->adaption = c->adaption; + gsm->n2 = c->n2; if (c->i == 1) gsm->ftype = UIH; diff --git a/drivers/char/n_hdlc.c b/drivers/tty/n_hdlc.c index 47d32281032..47d32281032 100644 --- a/drivers/char/n_hdlc.c +++ b/drivers/tty/n_hdlc.c diff --git a/drivers/char/n_r3964.c b/drivers/tty/n_r3964.c index 88dda0c45ee..88dda0c45ee 100644 --- a/drivers/char/n_r3964.c +++ b/drivers/tty/n_r3964.c diff --git a/drivers/char/n_tty.c b/drivers/tty/n_tty.c index 428f4fe0b5f..428f4fe0b5f 100644 --- a/drivers/char/n_tty.c +++ b/drivers/tty/n_tty.c diff --git a/drivers/char/pty.c b/drivers/tty/pty.c index 923a4858550..923a4858550 100644 --- a/drivers/char/pty.c +++ b/drivers/tty/pty.c diff --git a/drivers/char/sysrq.c b/drivers/tty/sysrq.c index eaa5d3efa79..c556ed9db13 100644 --- a/drivers/char/sysrq.c +++ b/drivers/tty/sysrq.c @@ -554,7 +554,7 @@ EXPORT_SYMBOL(handle_sysrq); #ifdef CONFIG_INPUT /* Simple translation table for the SysRq keys */ -static const unsigned char sysrq_xlate[KEY_MAX + 1] = +static const unsigned char sysrq_xlate[KEY_CNT] = "\000\0331234567890-=\177\t" /* 0x00 - 0x0f */ "qwertyuiop[]\r\000as" /* 0x10 - 0x1f */ "dfghjkl;'`\000\\zxcv" /* 0x20 - 0x2f */ @@ -563,53 +563,129 @@ static const unsigned char sysrq_xlate[KEY_MAX + 1] = "230\177\000\000\213\214\000\000\000\000\000\000\000\000\000\000" /* 0x50 - 0x5f */ "\r\000/"; /* 0x60 - 0x6f */ -static bool sysrq_down; -static int sysrq_alt_use; -static int sysrq_alt; -static DEFINE_SPINLOCK(sysrq_event_lock); +struct sysrq_state { + struct input_handle handle; + struct work_struct reinject_work; + unsigned long key_down[BITS_TO_LONGS(KEY_CNT)]; + unsigned int alt; + unsigned int alt_use; + bool active; + bool need_reinject; +}; + +static void sysrq_reinject_alt_sysrq(struct work_struct *work) +{ + struct sysrq_state *sysrq = + container_of(work, struct sysrq_state, reinject_work); + struct input_handle *handle = &sysrq->handle; + unsigned int alt_code = sysrq->alt_use; + + if (sysrq->need_reinject) { + /* Simulate press and release of Alt + SysRq */ + input_inject_event(handle, EV_KEY, alt_code, 1); + input_inject_event(handle, EV_KEY, KEY_SYSRQ, 1); + input_inject_event(handle, EV_SYN, SYN_REPORT, 1); + + input_inject_event(handle, EV_KEY, KEY_SYSRQ, 0); + input_inject_event(handle, EV_KEY, alt_code, 0); + input_inject_event(handle, EV_SYN, SYN_REPORT, 1); + } +} -static bool sysrq_filter(struct input_handle *handle, unsigned int type, - unsigned int code, int value) +static bool sysrq_filter(struct input_handle *handle, + unsigned int type, unsigned int code, int value) { + struct sysrq_state *sysrq = handle->private; + bool was_active = sysrq->active; bool suppress; - /* We are called with interrupts disabled, just take the lock */ - spin_lock(&sysrq_event_lock); + switch (type) { - if (type != EV_KEY) - goto out; + case EV_SYN: + suppress = false; + break; - switch (code) { + case EV_KEY: + switch (code) { - case KEY_LEFTALT: - case KEY_RIGHTALT: - if (value) - sysrq_alt = code; - else { - if (sysrq_down && code == sysrq_alt_use) - sysrq_down = false; + case KEY_LEFTALT: + case KEY_RIGHTALT: + if (!value) { + /* One of ALTs is being released */ + if (sysrq->active && code == sysrq->alt_use) + sysrq->active = false; - sysrq_alt = 0; + sysrq->alt = KEY_RESERVED; + + } else if (value != 2) { + sysrq->alt = code; + sysrq->need_reinject = false; + } + break; + + case KEY_SYSRQ: + if (value == 1 && sysrq->alt != KEY_RESERVED) { + sysrq->active = true; + sysrq->alt_use = sysrq->alt; + /* + * If nothing else will be pressed we'll need + * to * re-inject Alt-SysRq keysroke. + */ + sysrq->need_reinject = true; + } + + /* + * Pretend that sysrq was never pressed at all. This + * is needed to properly handle KGDB which will try + * to release all keys after exiting debugger. If we + * do not clear key bit it KGDB will end up sending + * release events for Alt and SysRq, potentially + * triggering print screen function. + */ + if (sysrq->active) + clear_bit(KEY_SYSRQ, handle->dev->key); + + break; + + default: + if (sysrq->active && value && value != 2) { + sysrq->need_reinject = false; + __handle_sysrq(sysrq_xlate[code], true); + } + break; } - break; - case KEY_SYSRQ: - if (value == 1 && sysrq_alt) { - sysrq_down = true; - sysrq_alt_use = sysrq_alt; + suppress = sysrq->active; + + if (!sysrq->active) { + /* + * If we are not suppressing key presses keep track of + * keyboard state so we can release keys that have been + * pressed before entering SysRq mode. + */ + if (value) + set_bit(code, sysrq->key_down); + else + clear_bit(code, sysrq->key_down); + + if (was_active) + schedule_work(&sysrq->reinject_work); + + } else if (value == 0 && + test_and_clear_bit(code, sysrq->key_down)) { + /* + * Pass on release events for keys that was pressed before + * entering SysRq mode. + */ + suppress = false; } break; default: - if (sysrq_down && value && value != 2) - __handle_sysrq(sysrq_xlate[code], true); + suppress = sysrq->active; break; } -out: - suppress = sysrq_down; - spin_unlock(&sysrq_event_lock); - return suppress; } @@ -617,28 +693,28 @@ static int sysrq_connect(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id) { - struct input_handle *handle; + struct sysrq_state *sysrq; int error; - sysrq_down = false; - sysrq_alt = 0; - - handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL); - if (!handle) + sysrq = kzalloc(sizeof(struct sysrq_state), GFP_KERNEL); + if (!sysrq) return -ENOMEM; - handle->dev = dev; - handle->handler = handler; - handle->name = "sysrq"; + INIT_WORK(&sysrq->reinject_work, sysrq_reinject_alt_sysrq); + + sysrq->handle.dev = dev; + sysrq->handle.handler = handler; + sysrq->handle.name = "sysrq"; + sysrq->handle.private = sysrq; - error = input_register_handle(handle); + error = input_register_handle(&sysrq->handle); if (error) { pr_err("Failed to register input sysrq handler, error %d\n", error); goto err_free; } - error = input_open_device(handle); + error = input_open_device(&sysrq->handle); if (error) { pr_err("Failed to open input device, error %d\n", error); goto err_unregister; @@ -647,17 +723,20 @@ static int sysrq_connect(struct input_handler *handler, return 0; err_unregister: - input_unregister_handle(handle); + input_unregister_handle(&sysrq->handle); err_free: - kfree(handle); + kfree(sysrq); return error; } static void sysrq_disconnect(struct input_handle *handle) { + struct sysrq_state *sysrq = handle->private; + input_close_device(handle); + cancel_work_sync(&sysrq->reinject_work); input_unregister_handle(handle); - kfree(handle); + kfree(sysrq); } /* diff --git a/drivers/char/tty_audit.c b/drivers/tty/tty_audit.c index f64582b0f62..f64582b0f62 100644 --- a/drivers/char/tty_audit.c +++ b/drivers/tty/tty_audit.c diff --git a/drivers/char/tty_buffer.c b/drivers/tty/tty_buffer.c index cc1e9850d65..d8210ca0072 100644 --- a/drivers/char/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -413,7 +413,8 @@ static void flush_to_ldisc(struct work_struct *work) spin_lock_irqsave(&tty->buf.lock, flags); if (!test_and_set_bit(TTY_FLUSHING, &tty->flags)) { - struct tty_buffer *head; + struct tty_buffer *head, *tail = tty->buf.tail; + int seen_tail = 0; while ((head = tty->buf.head) != NULL) { int count; char *char_buf; @@ -423,6 +424,15 @@ static void flush_to_ldisc(struct work_struct *work) if (!count) { if (head->next == NULL) break; + /* + There's a possibility tty might get new buffer + added during the unlock window below. We could + end up spinning in here forever hogging the CPU + completely. To avoid this let's have a rest each + time we processed the tail buffer. + */ + if (tail == head) + seen_tail = 1; tty->buf.head = head->next; tty_buffer_free(tty, head); continue; @@ -432,7 +442,7 @@ static void flush_to_ldisc(struct work_struct *work) line discipline as we want to empty the queue */ if (test_bit(TTY_FLUSHPENDING, &tty->flags)) break; - if (!tty->receive_room) { + if (!tty->receive_room || seen_tail) { schedule_delayed_work(&tty->buf.work, 1); break; } diff --git a/drivers/char/tty_io.c b/drivers/tty/tty_io.c index c05c5af5aa0..c05c5af5aa0 100644 --- a/drivers/char/tty_io.c +++ b/drivers/tty/tty_io.c diff --git a/drivers/char/tty_ioctl.c b/drivers/tty/tty_ioctl.c index 0c188997145..0c188997145 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c diff --git a/drivers/char/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 412f9775d19..d8e96b00502 100644 --- a/drivers/char/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -47,6 +47,7 @@ static DEFINE_SPINLOCK(tty_ldisc_lock); static DECLARE_WAIT_QUEUE_HEAD(tty_ldisc_wait); +static DECLARE_WAIT_QUEUE_HEAD(tty_ldisc_idle); /* Line disc dispatch table */ static struct tty_ldisc_ops *tty_ldiscs[NR_LDISCS]; @@ -83,6 +84,7 @@ static void put_ldisc(struct tty_ldisc *ld) return; } local_irq_restore(flags); + wake_up(&tty_ldisc_idle); } /** @@ -531,6 +533,23 @@ static int tty_ldisc_halt(struct tty_struct *tty) } /** + * tty_ldisc_wait_idle - wait for the ldisc to become idle + * @tty: tty to wait for + * + * Wait for the line discipline to become idle. The discipline must + * have been halted for this to guarantee it remains idle. + */ +static int tty_ldisc_wait_idle(struct tty_struct *tty) +{ + int ret; + ret = wait_event_interruptible_timeout(tty_ldisc_idle, + atomic_read(&tty->ldisc->users) == 1, 5 * HZ); + if (ret < 0) + return ret; + return ret > 0 ? 0 : -EBUSY; +} + +/** * tty_set_ldisc - set line discipline * @tty: the terminal to set * @ldisc: the line discipline @@ -634,8 +653,17 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) flush_scheduled_work(); + retval = tty_ldisc_wait_idle(tty); + tty_lock(); mutex_lock(&tty->ldisc_mutex); + + /* handle wait idle failure locked */ + if (retval) { + tty_ldisc_put(new_ldisc); + goto enable; + } + if (test_bit(TTY_HUPPED, &tty->flags)) { /* We were raced by the hangup method. It will have stomped the ldisc data and closed the ldisc down */ @@ -669,6 +697,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) tty_ldisc_put(o_ldisc); +enable: /* * Allow ldisc referencing to occur again */ @@ -714,9 +743,12 @@ static void tty_reset_termios(struct tty_struct *tty) * state closed */ -static void tty_ldisc_reinit(struct tty_struct *tty, int ldisc) +static int tty_ldisc_reinit(struct tty_struct *tty, int ldisc) { - struct tty_ldisc *ld; + struct tty_ldisc *ld = tty_ldisc_get(ldisc); + + if (IS_ERR(ld)) + return -1; tty_ldisc_close(tty, tty->ldisc); tty_ldisc_put(tty->ldisc); @@ -724,10 +756,10 @@ static void tty_ldisc_reinit(struct tty_struct *tty, int ldisc) /* * Switch the line discipline back */ - ld = tty_ldisc_get(ldisc); - BUG_ON(IS_ERR(ld)); tty_ldisc_assign(tty, ld); tty_set_termios_ldisc(tty, ldisc); + + return 0; } /** @@ -802,13 +834,16 @@ void tty_ldisc_hangup(struct tty_struct *tty) a FIXME */ if (tty->ldisc) { /* Not yet closed */ if (reset == 0) { - tty_ldisc_reinit(tty, tty->termios->c_line); - err = tty_ldisc_open(tty, tty->ldisc); + + if (!tty_ldisc_reinit(tty, tty->termios->c_line)) + err = tty_ldisc_open(tty, tty->ldisc); + else + err = 1; } /* If the re-open fails or we reset then go to N_TTY. The N_TTY open cannot fail */ if (reset || err) { - tty_ldisc_reinit(tty, N_TTY); + BUG_ON(tty_ldisc_reinit(tty, N_TTY)); WARN_ON(tty_ldisc_open(tty, tty->ldisc)); } tty_ldisc_enable(tty); diff --git a/drivers/char/tty_mutex.c b/drivers/tty/tty_mutex.c index 133697540c7..133697540c7 100644 --- a/drivers/char/tty_mutex.c +++ b/drivers/tty/tty_mutex.c diff --git a/drivers/char/tty_port.c b/drivers/tty/tty_port.c index 33d37d230f8..33d37d230f8 100644 --- a/drivers/char/tty_port.c +++ b/drivers/tty/tty_port.c diff --git a/drivers/char/.gitignore b/drivers/tty/vt/.gitignore index 83683a2d8e6..83683a2d8e6 100644 --- a/drivers/char/.gitignore +++ b/drivers/tty/vt/.gitignore diff --git a/drivers/tty/vt/Makefile b/drivers/tty/vt/Makefile new file mode 100644 index 00000000000..14a51c9960d --- /dev/null +++ b/drivers/tty/vt/Makefile @@ -0,0 +1,34 @@ +# +# This file contains the font map for the default (hardware) font +# +FONTMAPFILE = cp437.uni + +obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o \ + selection.o keyboard.o +obj-$(CONFIG_CONSOLE_TRANSLATIONS) += consolemap.o consolemap_deftbl.o +obj-$(CONFIG_HW_CONSOLE) += vt.o defkeymap.o + +# Files generated that shall be removed upon make clean +clean-files := consolemap_deftbl.c defkeymap.c + +quiet_cmd_conmk = CONMK $@ + cmd_conmk = scripts/conmakehash $< > $@ + +$(obj)/consolemap_deftbl.c: $(src)/$(FONTMAPFILE) + $(call cmd,conmk) + +$(obj)/defkeymap.o: $(obj)/defkeymap.c + +# Uncomment if you're changing the keymap and have an appropriate +# loadkeys version for the map. By default, we'll use the shipped +# versions. +# GENERATE_KEYMAP := 1 + +ifdef GENERATE_KEYMAP + +$(obj)/defkeymap.c: $(obj)/%.c: $(src)/%.map + loadkeys --mktable $< > $@.tmp + sed -e 's/^static *//' $@.tmp > $@ + rm $@.tmp + +endif diff --git a/drivers/char/consolemap.c b/drivers/tty/vt/consolemap.c index 45d3e80156d..45d3e80156d 100644 --- a/drivers/char/consolemap.c +++ b/drivers/tty/vt/consolemap.c diff --git a/drivers/char/cp437.uni b/drivers/tty/vt/cp437.uni index bc6163484f6..bc6163484f6 100644 --- a/drivers/char/cp437.uni +++ b/drivers/tty/vt/cp437.uni diff --git a/drivers/char/defkeymap.c_shipped b/drivers/tty/vt/defkeymap.c_shipped index d2208dfe3f6..d2208dfe3f6 100644 --- a/drivers/char/defkeymap.c_shipped +++ b/drivers/tty/vt/defkeymap.c_shipped diff --git a/drivers/char/defkeymap.map b/drivers/tty/vt/defkeymap.map index 50b30cace26..50b30cace26 100644 --- a/drivers/char/defkeymap.map +++ b/drivers/tty/vt/defkeymap.map diff --git a/drivers/char/keyboard.c b/drivers/tty/vt/keyboard.c index e95d7876ca6..e95d7876ca6 100644 --- a/drivers/char/keyboard.c +++ b/drivers/tty/vt/keyboard.c diff --git a/drivers/char/selection.c b/drivers/tty/vt/selection.c index ebae344ce91..ebae344ce91 100644 --- a/drivers/char/selection.c +++ b/drivers/tty/vt/selection.c diff --git a/drivers/char/vc_screen.c b/drivers/tty/vt/vc_screen.c index 273ab44cc91..eab3a1ff99e 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/tty/vt/vc_screen.c @@ -553,12 +553,12 @@ static unsigned int vcs_poll(struct file *file, poll_table *wait) { struct vcs_poll_data *poll = vcs_poll_data_get(file); - int ret = 0; + int ret = DEFAULT_POLLMASK|POLLERR|POLLPRI; if (poll) { poll_wait(file, &poll->waitq, wait); - if (!poll->seen_last_update) - ret = POLLIN | POLLRDNORM; + if (poll->seen_last_update) + ret = DEFAULT_POLLMASK; } return ret; } diff --git a/drivers/char/vt.c b/drivers/tty/vt/vt.c index a8ec48ed14d..a8ec48ed14d 100644 --- a/drivers/char/vt.c +++ b/drivers/tty/vt/vt.c diff --git a/drivers/char/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 6b68a0fb461..6b68a0fb461 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index ea071a5b6ee..44447f54942 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -2301,7 +2301,7 @@ out: return ret; } -static DEVICE_ATTR(stat_status, S_IWUGO | S_IRUGO, read_status, reboot); +static DEVICE_ATTR(stat_status, S_IWUSR | S_IRUGO, read_status, reboot); static ssize_t read_human_status(struct device *dev, struct device_attribute *attr, char *buf) @@ -2364,8 +2364,7 @@ out: return ret; } -static DEVICE_ATTR(stat_human_status, S_IWUGO | S_IRUGO, - read_human_status, NULL); +static DEVICE_ATTR(stat_human_status, S_IRUGO, read_human_status, NULL); static ssize_t read_delin(struct device *dev, struct device_attribute *attr, char *buf) @@ -2397,7 +2396,7 @@ out: return ret; } -static DEVICE_ATTR(stat_delin, S_IWUGO | S_IRUGO, read_delin, NULL); +static DEVICE_ATTR(stat_delin, S_IRUGO, read_delin, NULL); #define UEA_ATTR(name, reset) \ \ diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index ddb4dc98092..a3d2e239965 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -54,7 +54,6 @@ #include <linux/gfp.h> #include <linux/poll.h> #include <linux/usb.h> -#include <linux/smp_lock.h> #include <linux/usbdevice_fs.h> #include <linux/usb/hcd.h> #include <linux/mutex.h> diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index f1aaff6202a..a7131ad630f 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -37,7 +37,6 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/signal.h> #include <linux/poll.h> #include <linux/module.h> @@ -965,10 +964,11 @@ static int proc_getdriver(struct dev_state *ps, void __user *arg) static int proc_connectinfo(struct dev_state *ps, void __user *arg) { - struct usbdevfs_connectinfo ci; + struct usbdevfs_connectinfo ci = { + .devnum = ps->dev->devnum, + .slow = ps->dev->speed == USB_SPEED_LOW + }; - ci.devnum = ps->dev->devnum; - ci.slow = ps->dev->speed == USB_SPEED_LOW; if (copy_to_user(arg, &ci, sizeof(ci))) return -EFAULT; return 0; diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c index 9fe34fb78ef..cf6a5423de0 100644 --- a/drivers/usb/core/file.c +++ b/drivers/usb/core/file.c @@ -19,7 +19,6 @@ #include <linux/errno.h> #include <linux/rwsem.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/usb.h> #include "usb.h" diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index 9819a4cc3b2..b690aa35df9 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -39,7 +39,6 @@ #include <linux/parser.h> #include <linux/notifier.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <linux/usb/hcd.h> #include <asm/byteorder.h> #include "usb.h" diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index b739ca81465..607d0db4a98 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -158,7 +158,7 @@ config USB_GADGET_FSL_USB2 boolean "Freescale Highspeed USB DR Peripheral Controller" depends on FSL_SOC || ARCH_MXC select USB_GADGET_DUALSPEED - select USB_FSL_MPH_DR_OF + select USB_FSL_MPH_DR_OF if OF help Some of Freescale PowerPC processors have a High Speed Dual-Role(DR) USB controller, which supports device mode. diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index b5e20e873cb..717ff653fa2 100644 --- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -2017,7 +2017,7 @@ static int __init usba_udc_probe(struct platform_device *pdev) } } else { /* gpio_request fail so use -EINVAL for gpio_is_valid */ - ubc->vbus_pin = -EINVAL; + udc->vbus_pin = -EINVAL; } } diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 4a830df4fc3..484c5ba5450 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -30,7 +30,6 @@ #include <linux/blkdev.h> #include <linux/pagemap.h> #include <asm/unaligned.h> -#include <linux/smp_lock.h> #include <linux/usb/composite.h> #include <linux/usb/functionfs.h> diff --git a/drivers/usb/gadget/f_hid.c b/drivers/usb/gadget/f_hid.c index 4f891eddd06..598e7e2ab80 100644 --- a/drivers/usb/gadget/f_hid.c +++ b/drivers/usb/gadget/f_hid.c @@ -25,7 +25,6 @@ #include <linux/cdev.h> #include <linux/mutex.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include <linux/uaccess.h> #include <linux/wait.h> #include <linux/usb/g_hid.h> diff --git a/drivers/usb/gadget/goku_udc.h b/drivers/usb/gadget/goku_udc.h index 566cb231905..e7e0c69d3b1 100644 --- a/drivers/usb/gadget/goku_udc.h +++ b/drivers/usb/gadget/goku_udc.h @@ -251,7 +251,8 @@ struct goku_udc { got_region:1, req_config:1, configured:1, - enabled:1; + enabled:1, + registered:1; /* pci state used to access those endpoints */ struct pci_dev *pdev; diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index cb23355f52d..fbe86ca9580 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -811,7 +811,6 @@ int gether_setup(struct usb_gadget *g, u8 ethaddr[ETH_ALEN]) INFO(dev, "MAC %pM\n", net->dev_addr); INFO(dev, "HOST MAC %pM\n", dev->host_mac); - netif_stop_queue(net); the_dev = dev; } diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c index 01e5354a4c2..40f7716b31f 100644 --- a/drivers/usb/gadget/u_serial.c +++ b/drivers/usb/gadget/u_serial.c @@ -105,11 +105,15 @@ struct gs_port { wait_queue_head_t close_wait; /* wait for last close */ struct list_head read_pool; + int read_started; + int read_allocated; struct list_head read_queue; unsigned n_read; struct tasklet_struct push; struct list_head write_pool; + int write_started; + int write_allocated; struct gs_buf port_write_buf; wait_queue_head_t drain_wait; /* wait while writes drain */ @@ -363,6 +367,9 @@ __acquires(&port->port_lock) struct usb_request *req; int len; + if (port->write_started >= QUEUE_SIZE) + break; + req = list_entry(pool->next, struct usb_request, list); len = gs_send_packet(port, req->buf, in->maxpacket); if (len == 0) { @@ -397,6 +404,8 @@ __acquires(&port->port_lock) break; } + port->write_started++; + /* abort immediately after disconnect */ if (!port->port_usb) break; @@ -418,7 +427,6 @@ __acquires(&port->port_lock) { struct list_head *pool = &port->read_pool; struct usb_ep *out = port->port_usb->out; - unsigned started = 0; while (!list_empty(pool)) { struct usb_request *req; @@ -430,6 +438,9 @@ __acquires(&port->port_lock) if (!tty) break; + if (port->read_started >= QUEUE_SIZE) + break; + req = list_entry(pool->next, struct usb_request, list); list_del(&req->list); req->length = out->maxpacket; @@ -447,13 +458,13 @@ __acquires(&port->port_lock) list_add(&req->list, pool); break; } - started++; + port->read_started++; /* abort immediately after disconnect */ if (!port->port_usb) break; } - return started; + return port->read_started; } /* @@ -535,6 +546,7 @@ static void gs_rx_push(unsigned long _port) } recycle: list_move(&req->list, &port->read_pool); + port->read_started--; } /* Push from tty to ldisc; without low_latency set this is handled by @@ -587,6 +599,7 @@ static void gs_write_complete(struct usb_ep *ep, struct usb_request *req) spin_lock(&port->port_lock); list_add(&req->list, &port->write_pool); + port->write_started--; switch (req->status) { default: @@ -608,7 +621,8 @@ static void gs_write_complete(struct usb_ep *ep, struct usb_request *req) spin_unlock(&port->port_lock); } -static void gs_free_requests(struct usb_ep *ep, struct list_head *head) +static void gs_free_requests(struct usb_ep *ep, struct list_head *head, + int *allocated) { struct usb_request *req; @@ -616,25 +630,31 @@ static void gs_free_requests(struct usb_ep *ep, struct list_head *head) req = list_entry(head->next, struct usb_request, list); list_del(&req->list); gs_free_req(ep, req); + if (allocated) + (*allocated)--; } } static int gs_alloc_requests(struct usb_ep *ep, struct list_head *head, - void (*fn)(struct usb_ep *, struct usb_request *)) + void (*fn)(struct usb_ep *, struct usb_request *), + int *allocated) { int i; struct usb_request *req; + int n = allocated ? QUEUE_SIZE - *allocated : QUEUE_SIZE; /* Pre-allocate up to QUEUE_SIZE transfers, but if we can't * do quite that many this time, don't fail ... we just won't * be as speedy as we might otherwise be. */ - for (i = 0; i < QUEUE_SIZE; i++) { + for (i = 0; i < n; i++) { req = gs_alloc_req(ep, ep->maxpacket, GFP_ATOMIC); if (!req) return list_empty(head) ? -ENOMEM : 0; req->complete = fn; list_add_tail(&req->list, head); + if (allocated) + (*allocated)++; } return 0; } @@ -661,14 +681,15 @@ static int gs_start_io(struct gs_port *port) * configurations may use different endpoints with a given port; * and high speed vs full speed changes packet sizes too. */ - status = gs_alloc_requests(ep, head, gs_read_complete); + status = gs_alloc_requests(ep, head, gs_read_complete, + &port->read_allocated); if (status) return status; status = gs_alloc_requests(port->port_usb->in, &port->write_pool, - gs_write_complete); + gs_write_complete, &port->write_allocated); if (status) { - gs_free_requests(ep, head); + gs_free_requests(ep, head, &port->read_allocated); return status; } @@ -680,8 +701,9 @@ static int gs_start_io(struct gs_port *port) if (started) { tty_wakeup(port->port_tty); } else { - gs_free_requests(ep, head); - gs_free_requests(port->port_usb->in, &port->write_pool); + gs_free_requests(ep, head, &port->read_allocated); + gs_free_requests(port->port_usb->in, &port->write_pool, + &port->write_allocated); status = -EIO; } @@ -1315,8 +1337,12 @@ void gserial_disconnect(struct gserial *gser) spin_lock_irqsave(&port->port_lock, flags); if (port->open_count == 0 && !port->openclose) gs_buf_free(&port->port_write_buf); - gs_free_requests(gser->out, &port->read_pool); - gs_free_requests(gser->out, &port->read_queue); - gs_free_requests(gser->in, &port->write_pool); + gs_free_requests(gser->out, &port->read_pool, NULL); + gs_free_requests(gser->out, &port->read_queue, NULL); + gs_free_requests(gser->in, &port->write_pool, NULL); + + port->read_allocated = port->read_started = + port->write_allocated = port->write_started = 0; + spin_unlock_irqrestore(&port->port_lock, flags); } diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 2391c396ca3..6f4f8e6a40c 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -122,7 +122,7 @@ config USB_EHCI_FSL bool "Support for Freescale on-chip EHCI USB controller" depends on USB_EHCI_HCD && FSL_SOC select USB_EHCI_ROOT_HUB_TT - select USB_FSL_MPH_DR_OF + select USB_FSL_MPH_DR_OF if OF ---help--- Variation of ARC USB block used in some Freescale chips. diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index 86afdc73322..6e2599661b5 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c @@ -1067,7 +1067,7 @@ static inline void create_debug_files (struct ehci_hcd *ehci) &debug_registers_fops)) goto file_error; - if (!debugfs_create_file("lpm", S_IRUGO|S_IWUGO, ehci->debug_dir, bus, + if (!debugfs_create_file("lpm", S_IRUGO|S_IWUSR, ehci->debug_dir, bus, &debug_lpm_fops)) goto file_error; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 502a7e6fef4..e9062806d4a 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1063,10 +1063,11 @@ rescan: tmp && tmp != qh; tmp = tmp->qh_next.qh) continue; - /* periodic qh self-unlinks on empty */ - if (!tmp) - goto nogood; - unlink_async (ehci, qh); + /* periodic qh self-unlinks on empty, and a COMPLETING qh + * may already be unlinked. + */ + if (tmp) + unlink_async(ehci, qh); /* FALL THROUGH */ case QH_STATE_UNLINK: /* wait for hw to finish? */ case QH_STATE_UNLINK_WAIT: @@ -1083,7 +1084,6 @@ idle_timeout: } /* else FALL THROUGH */ default: -nogood: /* caller was supposed to have unlinked any requests; * that's not our job. just leak this memory. */ diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c index d36e4e75e08..12f70c302b0 100644 --- a/drivers/usb/host/ehci-mem.c +++ b/drivers/usb/host/ehci-mem.c @@ -141,6 +141,10 @@ static void ehci_mem_cleanup (struct ehci_hcd *ehci) qh_put (ehci->async); ehci->async = NULL; + if (ehci->dummy) + qh_put(ehci->dummy); + ehci->dummy = NULL; + /* DMA consistent memory and pools */ if (ehci->qtd_pool) dma_pool_destroy (ehci->qtd_pool); @@ -227,8 +231,26 @@ static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags) if (ehci->periodic == NULL) { goto fail; } - for (i = 0; i < ehci->periodic_size; i++) - ehci->periodic [i] = EHCI_LIST_END(ehci); + + if (ehci->use_dummy_qh) { + struct ehci_qh_hw *hw; + ehci->dummy = ehci_qh_alloc(ehci, flags); + if (!ehci->dummy) + goto fail; + + hw = ehci->dummy->hw; + hw->hw_next = EHCI_LIST_END(ehci); + hw->hw_qtd_next = EHCI_LIST_END(ehci); + hw->hw_alt_next = EHCI_LIST_END(ehci); + hw->hw_token &= ~QTD_STS_ACTIVE; + ehci->dummy->hw = hw; + + for (i = 0; i < ehci->periodic_size; i++) + ehci->periodic[i] = ehci->dummy->qh_dma; + } else { + for (i = 0; i < ehci->periodic_size; i++) + ehci->periodic[i] = EHCI_LIST_END(ehci); + } /* software shadow of hardware table */ ehci->pshadow = kcalloc(ehci->periodic_size, sizeof(void *), flags); diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index ac9c4d7c44a..bce85055019 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -36,6 +36,8 @@ struct ehci_mxc_priv { static int ehci_mxc_setup(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); + struct device *dev = hcd->self.controller; + struct mxc_usbh_platform_data *pdata = dev_get_platdata(dev); int retval; /* EHCI registers start at offset 0x100 */ @@ -63,6 +65,12 @@ static int ehci_mxc_setup(struct usb_hcd *hcd) ehci_reset(ehci); + /* set up the PORTSCx register */ + ehci_writel(ehci, pdata->portsc, &ehci->regs->port_status[0]); + + /* is this really needed? */ + msleep(10); + ehci_port_power(ehci, 0); return 0; } @@ -114,7 +122,7 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) struct mxc_usbh_platform_data *pdata = pdev->dev.platform_data; struct usb_hcd *hcd; struct resource *res; - int irq, ret, temp; + int irq, ret; struct ehci_mxc_priv *priv; struct device *dev = &pdev->dev; @@ -188,10 +196,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) clk_enable(priv->ahbclk); } - /* set up the PORTSCx register */ - ehci_writel(ehci, pdata->portsc, &ehci->regs->port_status[0]); - mdelay(10); - /* setup specific usb hw */ ret = mxc_initialize_usb_hw(pdev->id, pdata->flags); if (ret < 0) diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index a1e8d273103..01bb72b7183 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -103,6 +103,19 @@ static int ehci_pci_setup(struct usb_hcd *hcd) if (retval) return retval; + if ((pdev->vendor == PCI_VENDOR_ID_AMD && pdev->device == 0x7808) || + (pdev->vendor == PCI_VENDOR_ID_ATI && pdev->device == 0x4396)) { + /* EHCI controller on AMD SB700/SB800/Hudson-2/3 platforms may + * read/write memory space which does not belong to it when + * there is NULL pointer with T-bit set to 1 in the frame list + * table. To avoid the issue, the frame list link pointer + * should always contain a valid pointer to a inactive qh. + */ + ehci->use_dummy_qh = 1; + ehci_info(ehci, "applying AMD SB700/SB800/Hudson-2/3 EHCI " + "dummy qh workaround\n"); + } + /* data structure init */ retval = ehci_init(hcd); if (retval) diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index a92526d6e5a..d9f78eb2657 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -98,7 +98,14 @@ static void periodic_unlink (struct ehci_hcd *ehci, unsigned frame, void *ptr) */ *prev_p = *periodic_next_shadow(ehci, &here, Q_NEXT_TYPE(ehci, *hw_p)); - *hw_p = *shadow_next_periodic(ehci, &here, Q_NEXT_TYPE(ehci, *hw_p)); + + if (!ehci->use_dummy_qh || + *shadow_next_periodic(ehci, &here, Q_NEXT_TYPE(ehci, *hw_p)) + != EHCI_LIST_END(ehci)) + *hw_p = *shadow_next_periodic(ehci, &here, + Q_NEXT_TYPE(ehci, *hw_p)); + else + *hw_p = ehci->dummy->qh_dma; } /* how many of the uframe's 125 usecs are allocated? */ @@ -2335,7 +2342,11 @@ restart: * pointer for much longer, if at all. */ *q_p = q.itd->itd_next; - *hw_p = q.itd->hw_next; + if (!ehci->use_dummy_qh || + q.itd->hw_next != EHCI_LIST_END(ehci)) + *hw_p = q.itd->hw_next; + else + *hw_p = ehci->dummy->qh_dma; type = Q_NEXT_TYPE(ehci, q.itd->hw_next); wmb(); modified = itd_complete (ehci, q.itd); @@ -2368,7 +2379,11 @@ restart: * URB completion. */ *q_p = q.sitd->sitd_next; - *hw_p = q.sitd->hw_next; + if (!ehci->use_dummy_qh || + q.sitd->hw_next != EHCI_LIST_END(ehci)) + *hw_p = q.sitd->hw_next; + else + *hw_p = ehci->dummy->qh_dma; type = Q_NEXT_TYPE(ehci, q.sitd->hw_next); wmb(); modified = sitd_complete (ehci, q.sitd); diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index bde823f704e..ba8eab366b8 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -73,6 +73,7 @@ struct ehci_hcd { /* one per controller */ /* async schedule support */ struct ehci_qh *async; + struct ehci_qh *dummy; /* For AMD quirk use */ struct ehci_qh *reclaim; unsigned scanning : 1; @@ -131,6 +132,7 @@ struct ehci_hcd { /* one per controller */ unsigned need_io_watchdog:1; unsigned broken_periodic:1; unsigned fs_i_thresh:1; /* Intel iso scheduling */ + unsigned use_dummy_qh:1; /* AMD Frame List table quirk*/ /* required for usb32 quirk */ #define OHCI_CTRL_HCFS (3 << 6) diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c index 8196fa11fec..43a39eb56cc 100644 --- a/drivers/usb/host/isp1362-hcd.c +++ b/drivers/usb/host/isp1362-hcd.c @@ -70,7 +70,6 @@ #include <linux/ioport.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/list.h> @@ -2684,7 +2683,7 @@ static int __devexit isp1362_remove(struct platform_device *pdev) return 0; } -static int __init isp1362_probe(struct platform_device *pdev) +static int __devinit isp1362_probe(struct platform_device *pdev) { struct usb_hcd *hcd; struct isp1362_hcd *isp1362_hcd; diff --git a/drivers/usb/host/ohci-jz4740.c b/drivers/usb/host/ohci-jz4740.c index 10e1872f3ab..931d588c3fb 100644 --- a/drivers/usb/host/ohci-jz4740.c +++ b/drivers/usb/host/ohci-jz4740.c @@ -273,4 +273,4 @@ static struct platform_driver ohci_hcd_jz4740_driver = { }, }; -MODULE_ALIAS("platfrom:jz4740-ohci"); +MODULE_ALIAS("platform:jz4740-ohci"); diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c index 6e7fb5f38db..ee60cd3ea64 100644 --- a/drivers/usb/host/uhci-debug.c +++ b/drivers/usb/host/uhci-debug.c @@ -12,7 +12,6 @@ #include <linux/slab.h> #include <linux/kernel.h> #include <linux/debugfs.h> -#include <linux/smp_lock.h> #include <asm/io.h> #include "uhci-hcd.h" diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 202770676da..d178761c398 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1045,7 +1045,7 @@ static inline u32 xhci_get_max_esit_payload(struct xhci_hcd *xhci, if (udev->speed == USB_SPEED_SUPER) return ep->ss_ep_comp.wBytesPerInterval; - max_packet = ep->desc.wMaxPacketSize & 0x3ff; + max_packet = GET_MAX_PACKET(ep->desc.wMaxPacketSize); max_burst = (ep->desc.wMaxPacketSize & 0x1800) >> 11; /* A 0 in max burst means 1 transfer per ESIT */ return max_packet * (max_burst + 1); @@ -1135,7 +1135,7 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, /* Fall through */ case USB_SPEED_FULL: case USB_SPEED_LOW: - max_packet = ep->desc.wMaxPacketSize & 0x3ff; + max_packet = GET_MAX_PACKET(ep->desc.wMaxPacketSize); ep_ctx->ep_info2 |= MAX_PACKET(max_packet); break; default: diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 9f3115e729b..df558f6f84e 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2104,7 +2104,6 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) if (!(status & STS_EINT)) { spin_unlock(&xhci->lock); - xhci_warn(xhci, "Spurious interrupt.\n"); return IRQ_NONE; } xhci_dbg(xhci, "op reg status = %08x\n", status); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 5d7d4e951ea..06fca0835b5 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -577,6 +577,65 @@ static void xhci_restore_registers(struct xhci_hcd *xhci) xhci_write_64(xhci, xhci->s3.erst_base, &xhci->ir_set->erst_base); } +static void xhci_set_cmd_ring_deq(struct xhci_hcd *xhci) +{ + u64 val_64; + + /* step 2: initialize command ring buffer */ + val_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); + val_64 = (val_64 & (u64) CMD_RING_RSVD_BITS) | + (xhci_trb_virt_to_dma(xhci->cmd_ring->deq_seg, + xhci->cmd_ring->dequeue) & + (u64) ~CMD_RING_RSVD_BITS) | + xhci->cmd_ring->cycle_state; + xhci_dbg(xhci, "// Setting command ring address to 0x%llx\n", + (long unsigned long) val_64); + xhci_write_64(xhci, val_64, &xhci->op_regs->cmd_ring); +} + +/* + * The whole command ring must be cleared to zero when we suspend the host. + * + * The host doesn't save the command ring pointer in the suspend well, so we + * need to re-program it on resume. Unfortunately, the pointer must be 64-byte + * aligned, because of the reserved bits in the command ring dequeue pointer + * register. Therefore, we can't just set the dequeue pointer back in the + * middle of the ring (TRBs are 16-byte aligned). + */ +static void xhci_clear_command_ring(struct xhci_hcd *xhci) +{ + struct xhci_ring *ring; + struct xhci_segment *seg; + + ring = xhci->cmd_ring; + seg = ring->deq_seg; + do { + memset(seg->trbs, 0, SEGMENT_SIZE); + seg = seg->next; + } while (seg != ring->deq_seg); + + /* Reset the software enqueue and dequeue pointers */ + ring->deq_seg = ring->first_seg; + ring->dequeue = ring->first_seg->trbs; + ring->enq_seg = ring->deq_seg; + ring->enqueue = ring->dequeue; + + /* + * Ring is now zeroed, so the HW should look for change of ownership + * when the cycle bit is set to 1. + */ + ring->cycle_state = 1; + + /* + * Reset the hardware dequeue pointer. + * Yes, this will need to be re-written after resume, but we're paranoid + * and want to make sure the hardware doesn't access bogus memory + * because, say, the BIOS or an SMI started the host without changing + * the command ring pointers. + */ + xhci_set_cmd_ring_deq(xhci); +} + /* * Stop HC (not bus-specific) * @@ -604,6 +663,7 @@ int xhci_suspend(struct xhci_hcd *xhci) spin_unlock_irq(&xhci->lock); return -ETIMEDOUT; } + xhci_clear_command_ring(xhci); /* step 3: save registers */ xhci_save_registers(xhci); @@ -635,7 +695,6 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) u32 command, temp = 0; struct usb_hcd *hcd = xhci_to_hcd(xhci); struct pci_dev *pdev = to_pci_dev(hcd->self.controller); - u64 val_64; int old_state, retval; old_state = hcd->state; @@ -648,15 +707,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) /* step 1: restore register */ xhci_restore_registers(xhci); /* step 2: initialize command ring buffer */ - val_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); - val_64 = (val_64 & (u64) CMD_RING_RSVD_BITS) | - (xhci_trb_virt_to_dma(xhci->cmd_ring->deq_seg, - xhci->cmd_ring->dequeue) & - (u64) ~CMD_RING_RSVD_BITS) | - xhci->cmd_ring->cycle_state; - xhci_dbg(xhci, "// Setting command ring address to 0x%llx\n", - (long unsigned long) val_64); - xhci_write_64(xhci, val_64, &xhci->op_regs->cmd_ring); + xhci_set_cmd_ring_deq(xhci); /* step 3: restore state and start state*/ /* step 3: set CRS flag */ command = xhci_readl(xhci, &xhci->op_regs->command); @@ -714,6 +765,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) return retval; } + spin_unlock_irq(&xhci->lock); /* Re-setup MSI-X */ if (hcd->irq) free_irq(hcd->irq, hcd); @@ -736,6 +788,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) hcd->irq = pdev->irq; } + spin_lock_irq(&xhci->lock); /* step 4: set Run/Stop bit */ command = xhci_readl(xhci, &xhci->op_regs->command); command |= CMD_RUN; diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 93d3bf4d213..85e65647d44 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -621,6 +621,11 @@ struct xhci_ep_ctx { #define MAX_PACKET_MASK (0xffff << 16) #define MAX_PACKET_DECODED(p) (((p) >> 16) & 0xffff) +/* Get max packet size from ep desc. Bit 10..0 specify the max packet size. + * USB2.0 spec 9.6.6. + */ +#define GET_MAX_PACKET(p) ((p) & 0x7ff) + /* tx_info bitmasks */ #define AVG_TRB_LENGTH_FOR_EP(p) ((p) & 0xffff) #define MAX_ESIT_PAYLOAD_FOR_EP(p) (((p) & 0xffff) << 16) diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index 5a47805d958..c90c89dc000 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -364,7 +364,7 @@ static int mts_scsi_host_reset(struct scsi_cmnd *srb) } static int -mts_scsi_queuecommand(struct scsi_cmnd *srb, mts_scsi_cmnd_callback callback); +mts_scsi_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *srb); static void mts_transfer_cleanup( struct urb *transfer ); static void mts_do_sg(struct urb * transfer); @@ -573,7 +573,7 @@ mts_build_transfer_context(struct scsi_cmnd *srb, struct mts_desc* desc) static int -mts_scsi_queuecommand(struct scsi_cmnd *srb, mts_scsi_cmnd_callback callback) +mts_scsi_queuecommand_lck(struct scsi_cmnd *srb, mts_scsi_cmnd_callback callback) { struct mts_desc* desc = (struct mts_desc*)(srb->device->host->hostdata[0]); int err = 0; @@ -626,6 +626,8 @@ out: return err; } +static DEF_SCSI_QCMD(mts_scsi_queuecommand) + static struct scsi_host_template mts_scsi_host_template = { .module = THIS_MODULE, .name = "microtekX6", diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c index 2f43c57743c..9251773ecef 100644 --- a/drivers/usb/misc/cypress_cy7c63.c +++ b/drivers/usb/misc/cypress_cy7c63.c @@ -196,11 +196,9 @@ static ssize_t get_port1_handler(struct device *dev, return read_port(dev, attr, buf, 1, CYPRESS_READ_PORT_ID1); } -static DEVICE_ATTR(port0, S_IWUGO | S_IRUGO, - get_port0_handler, set_port0_handler); +static DEVICE_ATTR(port0, S_IRUGO | S_IWUSR, get_port0_handler, set_port0_handler); -static DEVICE_ATTR(port1, S_IWUGO | S_IRUGO, - get_port1_handler, set_port1_handler); +static DEVICE_ATTR(port1, S_IRUGO | S_IWUSR, get_port1_handler, set_port1_handler); static int cypress_probe(struct usb_interface *interface, diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 37566419877..c9078e4e1f4 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -553,6 +553,7 @@ static long iowarrior_ioctl(struct file *file, unsigned int cmd, /* needed for power consumption */ struct usb_config_descriptor *cfg_descriptor = &dev->udev->actconfig->desc; + memset(&info, 0, sizeof(info)); /* directly from the descriptor */ info.vendor = le16_to_cpu(dev->udev->descriptor.idVendor); info.product = dev->product_id; diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index 70d00e99a4b..dd573abd2d1 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -3008,6 +3008,7 @@ sisusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) #else x.sisusb_conactive = 0; #endif + memset(x.sisusb_reserved, 0, sizeof(x.sisusb_reserved)); if (copy_to_user((void __user *)arg, &x, sizeof(x))) retval = -EFAULT; diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c index d77aba46ae8..f63776a48e2 100644 --- a/drivers/usb/misc/trancevibrator.c +++ b/drivers/usb/misc/trancevibrator.c @@ -86,7 +86,7 @@ static ssize_t set_speed(struct device *dev, struct device_attribute *attr, return count; } -static DEVICE_ATTR(speed, S_IWUGO | S_IRUGO, show_speed, set_speed); +static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR, show_speed, set_speed); static int tv_probe(struct usb_interface *interface, const struct usb_device_id *id) diff --git a/drivers/usb/misc/usbled.c b/drivers/usb/misc/usbled.c index 63da2c3c838..c96f51de169 100644 --- a/drivers/usb/misc/usbled.c +++ b/drivers/usb/misc/usbled.c @@ -94,7 +94,7 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co change_color(led); \ return count; \ } \ -static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value); +static DEVICE_ATTR(value, S_IRUGO | S_IWUSR, show_##value, set_##value); show_set(blue); show_set(red); show_set(green); diff --git a/drivers/usb/misc/usbsevseg.c b/drivers/usb/misc/usbsevseg.c index de8ef945b53..417b8f207e8 100644 --- a/drivers/usb/misc/usbsevseg.c +++ b/drivers/usb/misc/usbsevseg.c @@ -192,7 +192,7 @@ static ssize_t set_attr_##name(struct device *dev, \ \ return count; \ } \ -static DEVICE_ATTR(name, S_IWUGO | S_IRUGO, show_attr_##name, set_attr_##name); +static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_attr_##name, set_attr_##name); static ssize_t show_attr_text(struct device *dev, struct device_attribute *attr, char *buf) @@ -223,7 +223,7 @@ static ssize_t set_attr_text(struct device *dev, return count; } -static DEVICE_ATTR(text, S_IWUGO | S_IRUGO, show_attr_text, set_attr_text); +static DEVICE_ATTR(text, S_IRUGO | S_IWUSR, show_attr_text, set_attr_text); static ssize_t show_attr_decimals(struct device *dev, struct device_attribute *attr, char *buf) @@ -272,8 +272,7 @@ static ssize_t set_attr_decimals(struct device *dev, return count; } -static DEVICE_ATTR(decimals, S_IWUGO | S_IRUGO, - show_attr_decimals, set_attr_decimals); +static DEVICE_ATTR(decimals, S_IRUGO | S_IWUSR, show_attr_decimals, set_attr_decimals); static ssize_t show_attr_textmode(struct device *dev, struct device_attribute *attr, char *buf) @@ -319,8 +318,7 @@ static ssize_t set_attr_textmode(struct device *dev, return -EINVAL; } -static DEVICE_ATTR(textmode, S_IWUGO | S_IRUGO, - show_attr_textmode, set_attr_textmode); +static DEVICE_ATTR(textmode, S_IRUGO | S_IWUSR, show_attr_textmode, set_attr_textmode); MYDEV_ATTR_SIMPLE_UNSIGNED(powered, update_display_powered); diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index 44cb37b5a4d..c436e1e2c3b 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -15,7 +15,6 @@ #include <linux/poll.h> #include <linux/compat.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/scatterlist.h> #include <linux/slab.h> diff --git a/drivers/usb/mon/mon_stat.c b/drivers/usb/mon/mon_stat.c index 8ec94f15a73..e5ce42bd316 100644 --- a/drivers/usb/mon/mon_stat.c +++ b/drivers/usb/mon/mon_stat.c @@ -11,7 +11,6 @@ #include <linux/slab.h> #include <linux/usb.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include "usb_mon.h" diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c index 611a9d27436..fcb5206a65b 100644 --- a/drivers/usb/musb/blackfin.c +++ b/drivers/usb/musb/blackfin.c @@ -171,8 +171,9 @@ static irqreturn_t blackfin_interrupt(int irq, void *__hci) } /* Start sampling ID pin, when plug is removed from MUSB */ - if (is_otg_enabled(musb) && (musb->xceiv->state == OTG_STATE_B_IDLE - || musb->xceiv->state == OTG_STATE_A_WAIT_BCON)) { + if ((is_otg_enabled(musb) && (musb->xceiv->state == OTG_STATE_B_IDLE + || musb->xceiv->state == OTG_STATE_A_WAIT_BCON)) || + (musb->int_usb & MUSB_INTR_DISCONNECT && is_host_active(musb))) { mod_timer(&musb_conn_timer, jiffies + TIMER_DELAY); musb->a_wait_bcon = TIMER_DELAY; } @@ -323,30 +324,8 @@ int musb_platform_set_mode(struct musb *musb, u8 musb_mode) return -EIO; } -int __init musb_platform_init(struct musb *musb, void *board_data) +static void musb_platform_reg_init(struct musb *musb) { - - /* - * Rev 1.0 BF549 EZ-KITs require PE7 to be high for both DEVICE - * and OTG HOST modes, while rev 1.1 and greater require PE7 to - * be low for DEVICE mode and high for HOST mode. We set it high - * here because we are in host mode - */ - - if (gpio_request(musb->config->gpio_vrsel, "USB_VRSEL")) { - printk(KERN_ERR "Failed ro request USB_VRSEL GPIO_%d \n", - musb->config->gpio_vrsel); - return -ENODEV; - } - gpio_direction_output(musb->config->gpio_vrsel, 0); - - usb_nop_xceiv_register(); - musb->xceiv = otg_get_transceiver(); - if (!musb->xceiv) { - gpio_free(musb->config->gpio_vrsel); - return -ENODEV; - } - if (ANOMALY_05000346) { bfin_write_USB_APHY_CALIB(ANOMALY_05000346_value); SSYNC(); @@ -358,7 +337,8 @@ int __init musb_platform_init(struct musb *musb, void *board_data) } /* Configure PLL oscillator register */ - bfin_write_USB_PLLOSC_CTRL(0x30a8); + bfin_write_USB_PLLOSC_CTRL(0x3080 | + ((480/musb->config->clkin) << 1)); SSYNC(); bfin_write_USB_SRP_CLKDIV((get_sclk()/1000) / 32 - 1); @@ -380,6 +360,33 @@ int __init musb_platform_init(struct musb *musb, void *board_data) EP2_RX_ENA | EP3_RX_ENA | EP4_RX_ENA | EP5_RX_ENA | EP6_RX_ENA | EP7_RX_ENA); SSYNC(); +} + +int __init musb_platform_init(struct musb *musb, void *board_data) +{ + + /* + * Rev 1.0 BF549 EZ-KITs require PE7 to be high for both DEVICE + * and OTG HOST modes, while rev 1.1 and greater require PE7 to + * be low for DEVICE mode and high for HOST mode. We set it high + * here because we are in host mode + */ + + if (gpio_request(musb->config->gpio_vrsel, "USB_VRSEL")) { + printk(KERN_ERR "Failed ro request USB_VRSEL GPIO_%d\n", + musb->config->gpio_vrsel); + return -ENODEV; + } + gpio_direction_output(musb->config->gpio_vrsel, 0); + + usb_nop_xceiv_register(); + musb->xceiv = otg_get_transceiver(); + if (!musb->xceiv) { + gpio_free(musb->config->gpio_vrsel); + return -ENODEV; + } + + musb_platform_reg_init(musb); if (is_host_enabled(musb)) { musb->board_set_vbus = bfin_set_vbus; @@ -394,6 +401,27 @@ int __init musb_platform_init(struct musb *musb, void *board_data) return 0; } +#ifdef CONFIG_PM +void musb_platform_save_context(struct musb *musb, + struct musb_context_registers *musb_context) +{ + if (is_host_active(musb)) + /* + * During hibernate gpio_vrsel will change from high to low + * low which will generate wakeup event resume the system + * immediately. Set it to 0 before hibernate to avoid this + * wakeup event. + */ + gpio_set_value(musb->config->gpio_vrsel, 0); +} + +void musb_platform_restore_context(struct musb *musb, + struct musb_context_registers *musb_context) +{ + musb_platform_reg_init(musb); +} +#endif + int musb_platform_exit(struct musb *musb) { gpio_free(musb->config->gpio_vrsel); diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index c9f9024c551..e6669fc3b80 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -552,7 +552,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, if (int_usb & MUSB_INTR_SESSREQ) { void __iomem *mbase = musb->mregs; - if (devctl & MUSB_DEVCTL_BDEVICE) { + if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS + && (devctl & MUSB_DEVCTL_BDEVICE)) { DBG(3, "SessReq while on B state\n"); return IRQ_HANDLED; } @@ -1052,6 +1053,11 @@ static void musb_shutdown(struct platform_device *pdev) clk_put(musb->clock); spin_unlock_irqrestore(&musb->lock, flags); + if (!is_otg_enabled(musb) && is_host_enabled(musb)) + usb_remove_hcd(musb_to_hcd(musb)); + musb_writeb(musb->mregs, MUSB_DEVCTL, 0); + musb_platform_exit(musb); + /* FIXME power down */ } @@ -2244,13 +2250,6 @@ static int __exit musb_remove(struct platform_device *pdev) */ musb_exit_debugfs(musb); musb_shutdown(pdev); -#ifdef CONFIG_USB_MUSB_HDRC_HCD - if (musb->board_mode == MUSB_HOST) - usb_remove_hcd(musb_to_hcd(musb)); -#endif - musb_writeb(musb->mregs, MUSB_DEVCTL, 0); - musb_platform_exit(musb); - musb_writeb(musb->mregs, MUSB_DEVCTL, 0); musb_free(musb); iounmap(ctrl_base); @@ -2411,9 +2410,6 @@ static int musb_suspend(struct device *dev) unsigned long flags; struct musb *musb = dev_to_musb(&pdev->dev); - if (!musb->clock) - return 0; - spin_lock_irqsave(&musb->lock, flags); if (is_peripheral_active(musb)) { @@ -2428,10 +2424,12 @@ static int musb_suspend(struct device *dev) musb_save_context(musb); - if (musb->set_clock) - musb->set_clock(musb->clock, 0); - else - clk_disable(musb->clock); + if (musb->clock) { + if (musb->set_clock) + musb->set_clock(musb->clock, 0); + else + clk_disable(musb->clock); + } spin_unlock_irqrestore(&musb->lock, flags); return 0; } @@ -2441,13 +2439,12 @@ static int musb_resume_noirq(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct musb *musb = dev_to_musb(&pdev->dev); - if (!musb->clock) - return 0; - - if (musb->set_clock) - musb->set_clock(musb->clock, 1); - else - clk_enable(musb->clock); + if (musb->clock) { + if (musb->set_clock) + musb->set_clock(musb->clock, 1); + else + clk_enable(musb->clock); + } musb_restore_context(musb); diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 69797e5b46a..febaabcc2b3 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -487,7 +487,7 @@ struct musb_context_registers { }; #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \ - defined(CONFIG_ARCH_OMAP4) + defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_BLACKFIN) extern void musb_platform_save_context(struct musb *musb, struct musb_context_registers *musb_context); extern void musb_platform_restore_context(struct musb *musb, diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 5d815049cba..36cfd060dbe 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -644,10 +644,8 @@ static void rxstate(struct musb *musb, struct musb_request *req) */ csr |= MUSB_RXCSR_DMAENAB; - if (!musb_ep->hb_mult && - musb_ep->hw_ep->rx_double_buffered) - csr |= MUSB_RXCSR_AUTOCLEAR; #ifdef USE_MODE1 + csr |= MUSB_RXCSR_AUTOCLEAR; /* csr |= MUSB_RXCSR_DMAMODE; */ /* this special sequence (enabling and then @@ -656,6 +654,10 @@ static void rxstate(struct musb *musb, struct musb_request *req) */ musb_writew(epio, MUSB_RXCSR, csr | MUSB_RXCSR_DMAMODE); +#else + if (!musb_ep->hb_mult && + musb_ep->hw_ep->rx_double_buffered) + csr |= MUSB_RXCSR_AUTOCLEAR; #endif musb_writew(epio, MUSB_RXCSR, csr); @@ -807,7 +809,7 @@ void musb_g_rx(struct musb *musb, u8 epnum) #if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_TUSB_OMAP_DMA) /* Autoclear doesn't clear RxPktRdy for short packets */ - if ((dma->desired_mode == 0) + if ((dma->desired_mode == 0 && !hw_ep->rx_double_buffered) || (dma->actual_len & (musb_ep->packet_sz - 1))) { /* ack the read! */ @@ -818,8 +820,16 @@ void musb_g_rx(struct musb *musb, u8 epnum) /* incomplete, and not short? wait for next IN packet */ if ((request->actual < request->length) && (musb_ep->dma->actual_len - == musb_ep->packet_sz)) + == musb_ep->packet_sz)) { + /* In double buffer case, continue to unload fifo if + * there is Rx packet in FIFO. + **/ + csr = musb_readw(epio, MUSB_RXCSR); + if ((csr & MUSB_RXCSR_RXPKTRDY) && + hw_ep->rx_double_buffered) + goto exit; return; + } #endif musb_g_giveback(musb_ep, request, 0); @@ -827,7 +837,7 @@ void musb_g_rx(struct musb *musb, u8 epnum) if (!request) return; } - +exit: /* Analyze request */ rxstate(musb, to_musb_request(request)); } @@ -916,13 +926,9 @@ static int musb_gadget_enable(struct usb_ep *ep, * likewise high bandwidth periodic tx */ /* Set TXMAXP with the FIFO size of the endpoint - * to disable double buffering mode. Currently, It seems that double - * buffering has problem if musb RTL revision number < 2.0. + * to disable double buffering mode. */ - if (musb->hwvers < MUSB_HWVERS_2000) - musb_writew(regs, MUSB_TXMAXP, hw_ep->max_packet_sz_tx); - else - musb_writew(regs, MUSB_TXMAXP, musb_ep->packet_sz | (musb_ep->hb_mult << 11)); + musb_writew(regs, MUSB_TXMAXP, musb_ep->packet_sz | (musb_ep->hb_mult << 11)); csr = MUSB_TXCSR_MODE | MUSB_TXCSR_CLRDATATOG; if (musb_readw(regs, MUSB_TXCSR) @@ -958,10 +964,7 @@ static int musb_gadget_enable(struct usb_ep *ep, /* Set RXMAXP with the FIFO size of the endpoint * to disable double buffering mode. */ - if (musb->hwvers < MUSB_HWVERS_2000) - musb_writew(regs, MUSB_RXMAXP, hw_ep->max_packet_sz_rx); - else - musb_writew(regs, MUSB_RXMAXP, musb_ep->packet_sz | (musb_ep->hb_mult << 11)); + musb_writew(regs, MUSB_RXMAXP, musb_ep->packet_sz | (musb_ep->hb_mult << 11)); /* force shared fifo to OUT-only mode */ if (hw_ep->is_shared_fifo) { @@ -1166,8 +1169,6 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req, : DMA_FROM_DEVICE); request->mapped = 0; } - } else if (!req->buf) { - return -ENODATA; } else request->mapped = 0; @@ -1695,8 +1696,10 @@ int __init musb_gadget_setup(struct musb *musb) musb_platform_try_idle(musb, 0); status = device_register(&musb->g.dev); - if (status != 0) + if (status != 0) { + put_device(&musb->g.dev); the_gadget = NULL; + } return status; } diff --git a/drivers/usb/musb/musb_regs.h b/drivers/usb/musb/musb_regs.h index 244267527a6..5a727c5b867 100644 --- a/drivers/usb/musb/musb_regs.h +++ b/drivers/usb/musb/musb_regs.h @@ -633,8 +633,9 @@ static inline u8 musb_read_txhubaddr(void __iomem *mbase, u8 epnum) return 0; } -static inline void musb_read_txhubport(void __iomem *mbase, u8 epnum) +static inline u8 musb_read_txhubport(void __iomem *mbase, u8 epnum) { + return 0; } #endif /* CONFIG_BLACKFIN */ diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c index 6f771af5cbd..563114d613d 100644 --- a/drivers/usb/musb/musbhsdma.c +++ b/drivers/usb/musb/musbhsdma.c @@ -158,6 +158,8 @@ static int dma_channel_program(struct dma_channel *channel, dma_addr_t dma_addr, u32 len) { struct musb_dma_channel *musb_channel = channel->private_data; + struct musb_dma_controller *controller = musb_channel->controller; + struct musb *musb = controller->private_data; DBG(2, "ep%d-%s pkt_sz %d, dma_addr 0x%x length %d, mode %d\n", musb_channel->epnum, @@ -167,6 +169,18 @@ static int dma_channel_program(struct dma_channel *channel, BUG_ON(channel->status == MUSB_DMA_STATUS_UNKNOWN || channel->status == MUSB_DMA_STATUS_BUSY); + /* + * The DMA engine in RTL1.8 and above cannot handle + * DMA addresses that are not aligned to a 4 byte boundary. + * It ends up masking the last two bits of the address + * programmed in DMA_ADDR. + * + * Fail such DMA transfers, so that the backup PIO mode + * can carry out the transfer + */ + if ((musb->hwvers >= MUSB_HWVERS_1800) && (dma_addr % 4)) + return false; + channel->actual_len = 0; musb_channel->start_addr = dma_addr; musb_channel->len = len; diff --git a/drivers/usb/otg/langwell_otg.c b/drivers/usb/otg/langwell_otg.c index bdc3ea66be6..9fea48264fa 100644 --- a/drivers/usb/otg/langwell_otg.c +++ b/drivers/usb/otg/langwell_otg.c @@ -1896,7 +1896,7 @@ set_a_bus_req(struct device *dev, struct device_attribute *attr, } return count; } -static DEVICE_ATTR(a_bus_req, S_IRUGO | S_IWUGO, get_a_bus_req, set_a_bus_req); +static DEVICE_ATTR(a_bus_req, S_IRUGO | S_IWUSR, get_a_bus_req, set_a_bus_req); static ssize_t get_a_bus_drop(struct device *dev, struct device_attribute *attr, char *buf) @@ -1942,8 +1942,7 @@ set_a_bus_drop(struct device *dev, struct device_attribute *attr, } return count; } -static DEVICE_ATTR(a_bus_drop, S_IRUGO | S_IWUGO, - get_a_bus_drop, set_a_bus_drop); +static DEVICE_ATTR(a_bus_drop, S_IRUGO | S_IWUSR, get_a_bus_drop, set_a_bus_drop); static ssize_t get_b_bus_req(struct device *dev, struct device_attribute *attr, char *buf) @@ -1988,7 +1987,7 @@ set_b_bus_req(struct device *dev, struct device_attribute *attr, } return count; } -static DEVICE_ATTR(b_bus_req, S_IRUGO | S_IWUGO, get_b_bus_req, set_b_bus_req); +static DEVICE_ATTR(b_bus_req, S_IRUGO | S_IWUSR, get_b_bus_req, set_b_bus_req); static ssize_t set_a_clr_err(struct device *dev, struct device_attribute *attr, @@ -2012,7 +2011,7 @@ set_a_clr_err(struct device *dev, struct device_attribute *attr, } return count; } -static DEVICE_ATTR(a_clr_err, S_IWUGO, NULL, set_a_clr_err); +static DEVICE_ATTR(a_clr_err, S_IWUSR, NULL, set_a_clr_err); static struct attribute *inputs_attrs[] = { &dev_attr_a_bus_req.attr, diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 89a9a584780..76f8b355667 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -794,6 +794,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) }, + { USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 7dfe02f1fb6..263f6255119 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -1100,3 +1100,10 @@ #define FTDI_SCIENCESCOPE_LOGBOOKML_PID 0xFF18 #define FTDI_SCIENCESCOPE_LS_LOGBOOK_PID 0xFF1C #define FTDI_SCIENCESCOPE_HS_LOGBOOK_PID 0xFF1D + +/* + * Milkymist One JTAG/Serial + */ +#define QIHARDWARE_VID 0x20B7 +#define MILKYMISTONE_JTAGSERIAL_PID 0x0713 + diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 2297fb1bcf6..ef2977d3a61 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -518,7 +518,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_ETS1220, 0xff, 0xff, 0xff) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E14AC) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E14AC, 0xff, 0xff, 0xff) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index e64da74bdcc..861223f2af6 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -21,7 +21,6 @@ #include <linux/errno.h> #include <linux/init.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/tty.h> #include <linux/tty_driver.h> #include <linux/tty_flip.h> diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index a688b1e686e..689ee1fb702 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -285,7 +285,7 @@ static int slave_configure(struct scsi_device *sdev) /* queue a command */ /* This is always called with scsi_lock(host) held */ -static int queuecommand(struct scsi_cmnd *srb, +static int queuecommand_lck(struct scsi_cmnd *srb, void (*done)(struct scsi_cmnd *)) { struct us_data *us = host_to_us(srb->device->host); @@ -315,6 +315,8 @@ static int queuecommand(struct scsi_cmnd *srb, return 0; } +static DEF_SCSI_QCMD(queuecommand) + /*********************************************************************** * Error handling functions ***********************************************************************/ diff --git a/drivers/usb/storage/sierra_ms.c b/drivers/usb/storage/sierra_ms.c index 57fc2f532ca..ceba512f84d 100644 --- a/drivers/usb/storage/sierra_ms.c +++ b/drivers/usb/storage/sierra_ms.c @@ -121,7 +121,7 @@ static ssize_t show_truinst(struct device *dev, struct device_attribute *attr, } return result; } -static DEVICE_ATTR(truinst, S_IWUGO | S_IRUGO, show_truinst, NULL); +static DEVICE_ATTR(truinst, S_IRUGO, show_truinst, NULL); int sierra_ms_init(struct us_data *us) { diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 2054b1e25a6..339fac3949d 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -331,10 +331,7 @@ static struct urb *uas_alloc_cmd_urb(struct uas_dev_info *devinfo, gfp_t gfp, iu->iu_id = IU_ID_COMMAND; iu->tag = cpu_to_be16(stream_id); - if (sdev->ordered_tags && (cmnd->request->cmd_flags & REQ_HARDBARRIER)) - iu->prio_attr = UAS_ORDERED_TAG; - else - iu->prio_attr = UAS_SIMPLE_TAG; + iu->prio_attr = UAS_SIMPLE_TAG; iu->len = len; int_to_scsilun(sdev->lun, &iu->lun); memcpy(iu->cdb, cmnd->cmnd, cmnd->cmd_len); @@ -433,7 +430,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, return 0; } -static int uas_queuecommand(struct scsi_cmnd *cmnd, +static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done)(struct scsi_cmnd *)) { struct scsi_device *sdev = cmnd->device; @@ -491,6 +488,8 @@ static int uas_queuecommand(struct scsi_cmnd *cmnd, return 0; } +static DEF_SCSI_QCMD(uas_queuecommand) + static int uas_eh_abort_handler(struct scsi_cmnd *cmnd) { struct scsi_device *sdev = cmnd->device; diff --git a/drivers/uwb/allocator.c b/drivers/uwb/allocator.c index 436e4f7110c..e45e673b877 100644 --- a/drivers/uwb/allocator.c +++ b/drivers/uwb/allocator.c @@ -326,7 +326,8 @@ int uwb_rsv_find_best_allocation(struct uwb_rsv *rsv, struct uwb_mas_bm *availab int bit_index; ai = kzalloc(sizeof(struct uwb_rsv_alloc_info), GFP_KERNEL); - + if (!ai) + return UWB_RSV_ALLOC_NOT_FOUND; ai->min_mas = rsv->min_mas; ai->max_mas = rsv->max_mas; ai->max_interval = rsv->max_interval; diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c index 3ec24609151..734c650a47c 100644 --- a/drivers/video/backlight/adp8860_bl.c +++ b/drivers/video/backlight/adp8860_bl.c @@ -502,8 +502,10 @@ static ssize_t adp8860_bl_l1_daylight_max_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct adp8860_bl *data = dev_get_drvdata(dev); + int ret = strict_strtoul(buf, 10, &data->cached_daylight_max); + if (ret) + return ret; - strict_strtoul(buf, 10, &data->cached_daylight_max); return adp8860_store(dev, buf, count, ADP8860_BLMX1); } static DEVICE_ATTR(l1_daylight_max, 0664, adp8860_bl_l1_daylight_max_show, @@ -614,7 +616,7 @@ static ssize_t adp8860_bl_ambient_light_zone_store(struct device *dev, if (val == 0) { /* Enable automatic ambient light sensing */ adp8860_set_bits(data->client, ADP8860_MDCR, CMP_AUTOEN); - } else if ((val > 0) && (val < 6)) { + } else if ((val > 0) && (val <= 3)) { /* Disable automatic ambient light sensing */ adp8860_clr_bits(data->client, ADP8860_MDCR, CMP_AUTOEN); @@ -622,7 +624,7 @@ static ssize_t adp8860_bl_ambient_light_zone_store(struct device *dev, mutex_lock(&data->lock); adp8860_read(data->client, ADP8860_CFGR, ®_val); reg_val &= ~(CFGR_BLV_MASK << CFGR_BLV_SHIFT); - reg_val |= val << CFGR_BLV_SHIFT; + reg_val |= (val - 1) << CFGR_BLV_SHIFT; adp8860_write(data->client, ADP8860_CFGR, reg_val); mutex_unlock(&data->lock); } diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c index 9093ef0fa86..c67801e57aa 100644 --- a/drivers/video/backlight/l4f00242t03.c +++ b/drivers/video/backlight/l4f00242t03.c @@ -78,7 +78,7 @@ static int l4f00242t03_lcd_power_set(struct lcd_device *ld, int power) const u16 slpin = 0x10; const u16 disoff = 0x28; - if (power) { + if (power <= FB_BLANK_NORMAL) { if (priv->lcd_on) return 0; diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c index abc43a0eb97..5d3cf33953a 100644 --- a/drivers/video/backlight/lms283gf05.c +++ b/drivers/video/backlight/lms283gf05.c @@ -129,7 +129,7 @@ static int lms283gf05_power_set(struct lcd_device *ld, int power) struct spi_device *spi = st->spi; struct lms283gf05_pdata *pdata = spi->dev.platform_data; - if (power) { + if (power <= FB_BLANK_NORMAL) { if (pdata) lms283gf05_reset(pdata->reset_gpio, pdata->reset_inverted); diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c index 9fb533f6373..1485f7345f4 100644 --- a/drivers/video/backlight/mbp_nvidia_bl.c +++ b/drivers/video/backlight/mbp_nvidia_bl.c @@ -335,6 +335,24 @@ static const struct dmi_system_id __initdata mbp_device_table[] = { }, .driver_data = (void *)&nvidia_chipset_data, }, + { + .callback = mbp_dmi_match, + .ident = "MacBookAir 3,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir3,1"), + }, + .driver_data = (void *)&nvidia_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBookAir 3,2", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir3,2"), + }, + .driver_data = (void *)&nvidia_chipset_data, + }, { } }; diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 55044351889..21866ec6965 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -25,6 +25,7 @@ struct pwm_bl_data { struct pwm_device *pwm; struct device *dev; unsigned int period; + unsigned int lth_brightness; int (*notify)(struct device *, int brightness); }; @@ -48,7 +49,9 @@ static int pwm_backlight_update_status(struct backlight_device *bl) pwm_config(pb->pwm, 0, pb->period); pwm_disable(pb->pwm); } else { - pwm_config(pb->pwm, brightness * pb->period / max, pb->period); + brightness = pb->lth_brightness + + (brightness * (pb->period - pb->lth_brightness) / max); + pwm_config(pb->pwm, brightness, pb->period); pwm_enable(pb->pwm); } return 0; @@ -92,6 +95,8 @@ static int pwm_backlight_probe(struct platform_device *pdev) pb->period = data->pwm_period_ns; pb->notify = data->notify; + pb->lth_brightness = data->lth_brightness * + (data->pwm_period_ns / data->max_brightness); pb->dev = &pdev->dev; pb->pwm = pwm_request(data->pwm_id, "backlight"); diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c index a3128c9cb7a..5927db0da99 100644 --- a/drivers/video/backlight/s6e63m0.c +++ b/drivers/video/backlight/s6e63m0.c @@ -729,10 +729,10 @@ static ssize_t s6e63m0_sysfs_show_gamma_table(struct device *dev, return strlen(buf); } -static DEVICE_ATTR(gamma_table, 0644, +static DEVICE_ATTR(gamma_table, 0444, s6e63m0_sysfs_show_gamma_table, NULL); -static int __init s6e63m0_probe(struct spi_device *spi) +static int __devinit s6e63m0_probe(struct spi_device *spi) { int ret = 0; struct s6e63m0 *lcd = NULL; @@ -829,6 +829,9 @@ static int __devexit s6e63m0_remove(struct spi_device *spi) struct s6e63m0 *lcd = dev_get_drvdata(&spi->dev); s6e63m0_power(lcd, FB_BLANK_POWERDOWN); + device_remove_file(&spi->dev, &dev_attr_gamma_table); + device_remove_file(&spi->dev, &dev_attr_gamma_mode); + backlight_device_unregister(lcd->bd); lcd_device_unregister(lcd->ld); kfree(lcd); diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index 54e32c51361..915448ec75b 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -47,7 +47,6 @@ #include <linux/ioport.h> #include <linux/init.h> #include <linux/screen_info.h> -#include <linux/smp_lock.h> #include <video/vga.h> #include <asm/io.h> diff --git a/drivers/video/omap2/vram.c b/drivers/video/omap2/vram.c index fed2a72bc6b..2fd7e5271be 100644 --- a/drivers/video/omap2/vram.c +++ b/drivers/video/omap2/vram.c @@ -554,9 +554,15 @@ void __init omap_vram_reserve_sdram_memblock(void) size = PAGE_ALIGN(size); if (paddr) { - if ((paddr & ~PAGE_MASK) || - !memblock_is_region_memory(paddr, size)) { - pr_err("Illegal SDRAM region for VRAM\n"); + if (paddr & ~PAGE_MASK) { + pr_err("VRAM start address 0x%08x not page aligned\n", + paddr); + return; + } + + if (!memblock_is_region_memory(paddr, size)) { + pr_err("Illegal SDRAM region 0x%08x..0x%08x for VRAM\n", + paddr, paddr + size - 1); return; } @@ -570,9 +576,12 @@ void __init omap_vram_reserve_sdram_memblock(void) return; } } else { - paddr = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_REAL_LIMIT); + paddr = memblock_alloc(size, PAGE_SIZE); } + memblock_free(paddr, size); + memblock_remove(paddr, size); + omap_vram_add_region(paddr, size); pr_info("Reserving %u bytes SDRAM for VRAM\n", size); diff --git a/drivers/video/riva/rivafb-i2c.c b/drivers/video/riva/rivafb-i2c.c index a0e22ac483a..167400e2a18 100644 --- a/drivers/video/riva/rivafb-i2c.c +++ b/drivers/video/riva/rivafb-i2c.c @@ -94,7 +94,6 @@ static int __devinit riva_setup_i2c_bus(struct riva_i2c_chan *chan, strcpy(chan->adapter.name, name); chan->adapter.owner = THIS_MODULE; - chan->adapter.id = I2C_HW_B_RIVA; chan->adapter.class = i2c_class; chan->adapter.algo_data = &chan->algo; chan->adapter.dev.parent = &chan->par->pdev->dev; diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c index 55b3077ff6f..d7df10315d8 100644 --- a/drivers/video/sh_mobile_hdmi.c +++ b/drivers/video/sh_mobile_hdmi.c @@ -1071,6 +1071,10 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work) if (!hdmi->info) goto out; + hdmi->monspec.modedb_len = 0; + fb_destroy_modedb(hdmi->monspec.modedb); + hdmi->monspec.modedb = NULL; + acquire_console_sem(); /* HDMI disconnect */ @@ -1078,7 +1082,6 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work) release_console_sem(); pm_runtime_put(hdmi->dev); - fb_destroy_modedb(hdmi->monspec.modedb); } out: diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index 50963739a40..9b1364723c6 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -115,15 +115,16 @@ static const struct fb_videomode default_720p = { .xres = 1280, .yres = 720, - .left_margin = 200, - .right_margin = 88, - .hsync_len = 48, + .left_margin = 220, + .right_margin = 110, + .hsync_len = 40, .upper_margin = 20, .lower_margin = 5, .vsync_len = 5, .pixclock = 13468, + .refresh = 60, .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT, }; @@ -1197,6 +1198,7 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) const struct fb_videomode *mode = cfg->lcd_cfg; unsigned long max_size = 0; int k; + int num_cfg; ch->info = framebuffer_alloc(0, &pdev->dev); if (!ch->info) { @@ -1232,8 +1234,14 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) info->fix = sh_mobile_lcdc_fix; info->fix.smem_len = max_size * (cfg->bpp / 8) * 2; - if (!mode) + if (!mode) { mode = &default_720p; + num_cfg = 1; + } else { + num_cfg = ch->cfg.num_cfg; + } + + fb_videomode_to_modelist(mode, num_cfg, &info->modelist); fb_videomode_to_var(var, mode); /* Default Y virtual resolution is 2x panel size */ @@ -1281,10 +1289,6 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) for (i = 0; i < j; i++) { struct sh_mobile_lcdc_chan *ch = priv->ch + i; - const struct fb_videomode *mode = ch->cfg.lcd_cfg; - - if (!mode) - mode = &default_720p; info = ch->info; @@ -1297,7 +1301,6 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) } } - fb_videomode_to_modelist(mode, ch->cfg.num_cfg, &info->modelist); error = register_framebuffer(info); if (error < 0) goto err1; diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c index b52f8e4ef1f..3dde12b0ab0 100644 --- a/drivers/video/sis/sis_main.c +++ b/drivers/video/sis/sis_main.c @@ -4181,6 +4181,9 @@ static void __devinit sisfb_post_map_vram(struct sis_video_info *ivideo, unsigned int *mapsize, unsigned int min) { + if (*mapsize < (min << 20)) + return; + ivideo->video_vbase = ioremap(ivideo->video_base, (*mapsize)); if(!ivideo->video_vbase) { @@ -4514,7 +4517,7 @@ sisfb_post_sis300(struct pci_dev *pdev) } else { #endif /* Need to map max FB size for finding out about RAM size */ - mapsize = 64 << 20; + mapsize = ivideo->video_size; sisfb_post_map_vram(ivideo, &mapsize, 4); if(ivideo->video_vbase) { @@ -4680,7 +4683,7 @@ sisfb_post_xgi_ramsize(struct sis_video_info *ivideo) orSISIDXREG(SISSR, 0x20, (0x80 | 0x04)); /* Need to map max FB size for finding out about RAM size */ - mapsize = 256 << 20; + mapsize = ivideo->video_size; sisfb_post_map_vram(ivideo, &mapsize, 32); if(!ivideo->video_vbase) { @@ -5936,6 +5939,7 @@ sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } ivideo->video_base = pci_resource_start(pdev, 0); + ivideo->video_size = pci_resource_len(pdev, 0); ivideo->mmio_base = pci_resource_start(pdev, 1); ivideo->mmio_size = pci_resource_len(pdev, 1); ivideo->SiS_Pr.RelIO = pci_resource_start(pdev, 2) + 0x30; diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile index eb8a78d77d9..533a199e7a3 100644 --- a/drivers/xen/Makefile +++ b/drivers/xen/Makefile @@ -8,9 +8,12 @@ obj-$(CONFIG_BLOCK) += biomerge.o obj-$(CONFIG_HOTPLUG_CPU) += cpu_hotplug.o obj-$(CONFIG_XEN_XENCOMM) += xencomm.o obj-$(CONFIG_XEN_BALLOON) += balloon.o -obj-$(CONFIG_XEN_DEV_EVTCHN) += evtchn.o +obj-$(CONFIG_XEN_DEV_EVTCHN) += xen-evtchn.o obj-$(CONFIG_XENFS) += xenfs/ obj-$(CONFIG_XEN_SYS_HYPERVISOR) += sys-hypervisor.o obj-$(CONFIG_XEN_PLATFORM_PCI) += platform-pci.o obj-$(CONFIG_SWIOTLB_XEN) += swiotlb-xen.o obj-$(CONFIG_XEN_DOM0) += pci.o + +xen-evtchn-y := evtchn.o + diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 500290b150b..2b17ad5b4b3 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -50,6 +50,7 @@ #include <asm/pgtable.h> #include <asm/uaccess.h> #include <asm/tlb.h> +#include <asm/e820.h> #include <asm/xen/hypervisor.h> #include <asm/xen/hypercall.h> @@ -119,7 +120,7 @@ static void scrub_page(struct page *page) } /* balloon_append: add the given page to the balloon. */ -static void balloon_append(struct page *page) +static void __balloon_append(struct page *page) { /* Lowmem is re-populated first, so highmem pages go at list tail. */ if (PageHighMem(page)) { @@ -130,7 +131,11 @@ static void balloon_append(struct page *page) list_add(&page->lru, &ballooned_pages); balloon_stats.balloon_low++; } +} +static void balloon_append(struct page *page) +{ + __balloon_append(page); totalram_pages--; } @@ -191,7 +196,7 @@ static unsigned long current_target(void) static int increase_reservation(unsigned long nr_pages) { - unsigned long pfn, i, flags; + unsigned long pfn, i; struct page *page; long rc; struct xen_memory_reservation reservation = { @@ -203,8 +208,6 @@ static int increase_reservation(unsigned long nr_pages) if (nr_pages > ARRAY_SIZE(frame_list)) nr_pages = ARRAY_SIZE(frame_list); - spin_lock_irqsave(&xen_reservation_lock, flags); - page = balloon_first_page(); for (i = 0; i < nr_pages; i++) { BUG_ON(page == NULL); @@ -247,14 +250,12 @@ static int increase_reservation(unsigned long nr_pages) balloon_stats.current_pages += rc; out: - spin_unlock_irqrestore(&xen_reservation_lock, flags); - return rc < 0 ? rc : rc != nr_pages; } static int decrease_reservation(unsigned long nr_pages) { - unsigned long pfn, i, flags; + unsigned long pfn, i; struct page *page; int need_sleep = 0; int ret; @@ -292,8 +293,6 @@ static int decrease_reservation(unsigned long nr_pages) kmap_flush_unused(); flush_tlb_all(); - spin_lock_irqsave(&xen_reservation_lock, flags); - /* No more mappings: invalidate P2M and add to balloon. */ for (i = 0; i < nr_pages; i++) { pfn = mfn_to_pfn(frame_list[i]); @@ -308,8 +307,6 @@ static int decrease_reservation(unsigned long nr_pages) balloon_stats.current_pages -= nr_pages; - spin_unlock_irqrestore(&xen_reservation_lock, flags); - return need_sleep; } @@ -395,7 +392,7 @@ static struct notifier_block xenstore_notifier; static int __init balloon_init(void) { - unsigned long pfn; + unsigned long pfn, extra_pfn_end; struct page *page; if (!xen_pv_domain()) @@ -416,10 +413,15 @@ static int __init balloon_init(void) register_balloon(&balloon_sysdev); /* Initialise the balloon with excess memory space. */ - for (pfn = xen_start_info->nr_pages; pfn < max_pfn; pfn++) { + extra_pfn_end = min(e820_end_of_ram_pfn(), + (unsigned long)PFN_DOWN(xen_extra_mem_start + xen_extra_mem_size)); + for (pfn = PFN_UP(xen_extra_mem_start); + pfn < extra_pfn_end; + pfn++) { page = pfn_to_page(pfn); - if (!PageReserved(page)) - balloon_append(page); + /* totalram_pages doesn't include the boot-time + balloon extension, so don't subtract from it. */ + __balloon_append(page); } target_watch.callback = watch_target; diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 97612f548a8..2811bb988ea 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -278,17 +278,17 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu) cpumask_copy(irq_to_desc(irq)->affinity, cpumask_of(cpu)); #endif - __clear_bit(chn, cpu_evtchn_mask(cpu_from_irq(irq))); - __set_bit(chn, cpu_evtchn_mask(cpu)); + clear_bit(chn, cpu_evtchn_mask(cpu_from_irq(irq))); + set_bit(chn, cpu_evtchn_mask(cpu)); irq_info[irq].cpu = cpu; } static void init_evtchn_cpu_bindings(void) { + int i; #ifdef CONFIG_SMP struct irq_desc *desc; - int i; /* By default all event channels notify CPU#0. */ for_each_irq_desc(i, desc) { @@ -296,7 +296,10 @@ static void init_evtchn_cpu_bindings(void) } #endif - memset(cpu_evtchn_mask(0), ~0, sizeof(struct cpu_evtchn_s)); + for_each_possible_cpu(i) + memset(cpu_evtchn_mask(i), + (i == 0) ? ~0 : 0, sizeof(struct cpu_evtchn_s)); + } static inline void clear_evtchn(int port) @@ -752,7 +755,7 @@ int xen_destroy_irq(int irq) goto out; if (xen_initial_domain()) { - unmap_irq.pirq = info->u.pirq.gsi; + unmap_irq.pirq = info->u.pirq.pirq; unmap_irq.domid = DOMID_SELF; rc = HYPERVISOR_physdev_op(PHYSDEVOP_unmap_pirq, &unmap_irq); if (rc) { @@ -1299,9 +1302,6 @@ static void restore_cpu_virqs(unsigned int cpu) evtchn_to_irq[evtchn] = irq; irq_info[irq] = mk_virq_info(evtchn, virq); bind_evtchn_to_cpu(evtchn, cpu); - - /* Ready for use. */ - unmask_evtchn(evtchn); } } @@ -1327,10 +1327,6 @@ static void restore_cpu_ipis(unsigned int cpu) evtchn_to_irq[evtchn] = irq; irq_info[irq] = mk_ipi_info(evtchn, ipi); bind_evtchn_to_cpu(evtchn, cpu); - - /* Ready for use. */ - unmask_evtchn(evtchn); - } } @@ -1390,6 +1386,7 @@ void xen_poll_irq(int irq) void xen_irq_resume(void) { unsigned int cpu, irq, evtchn; + struct irq_desc *desc; init_evtchn_cpu_bindings(); @@ -1408,6 +1405,23 @@ void xen_irq_resume(void) restore_cpu_virqs(cpu); restore_cpu_ipis(cpu); } + + /* + * Unmask any IRQF_NO_SUSPEND IRQs which are enabled. These + * are not handled by the IRQ core. + */ + for_each_irq_desc(irq, desc) { + if (!desc->action || !(desc->action->flags & IRQF_NO_SUSPEND)) + continue; + if (desc->status & IRQ_DISABLED) + continue; + + evtchn = evtchn_from_irq(irq); + if (evtchn == -1) + continue; + + unmask_evtchn(evtchn); + } } static struct irq_chip xen_dynamic_chip __read_mostly = { diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index fec6ba3c08a..ef11daf0caf 100644 --- a/drivers/xen/evtchn.c +++ b/drivers/xen/evtchn.c @@ -69,20 +69,51 @@ struct per_user_data { const char *name; }; -/* Who's bound to each port? */ -static struct per_user_data *port_user[NR_EVENT_CHANNELS]; +/* + * Who's bound to each port? This is logically an array of struct + * per_user_data *, but we encode the current enabled-state in bit 0. + */ +static unsigned long *port_user; static DEFINE_SPINLOCK(port_user_lock); /* protects port_user[] and ring_prod */ -irqreturn_t evtchn_interrupt(int irq, void *data) +static inline struct per_user_data *get_port_user(unsigned port) +{ + return (struct per_user_data *)(port_user[port] & ~1); +} + +static inline void set_port_user(unsigned port, struct per_user_data *u) +{ + port_user[port] = (unsigned long)u; +} + +static inline bool get_port_enabled(unsigned port) +{ + return port_user[port] & 1; +} + +static inline void set_port_enabled(unsigned port, bool enabled) +{ + if (enabled) + port_user[port] |= 1; + else + port_user[port] &= ~1; +} + +static irqreturn_t evtchn_interrupt(int irq, void *data) { unsigned int port = (unsigned long)data; struct per_user_data *u; spin_lock(&port_user_lock); - u = port_user[port]; + u = get_port_user(port); + + WARN(!get_port_enabled(port), + "Interrupt for port %d, but apparently not enabled; per-user %p\n", + port, u); disable_irq_nosync(irq); + set_port_enabled(port, false); if ((u->ring_prod - u->ring_cons) < EVTCHN_RING_SIZE) { u->ring[EVTCHN_RING_MASK(u->ring_prod)] = port; @@ -92,9 +123,8 @@ irqreturn_t evtchn_interrupt(int irq, void *data) kill_fasync(&u->evtchn_async_queue, SIGIO, POLL_IN); } - } else { + } else u->ring_overflow = 1; - } spin_unlock(&port_user_lock); @@ -198,9 +228,18 @@ static ssize_t evtchn_write(struct file *file, const char __user *buf, goto out; spin_lock_irq(&port_user_lock); - for (i = 0; i < (count/sizeof(evtchn_port_t)); i++) - if ((kbuf[i] < NR_EVENT_CHANNELS) && (port_user[kbuf[i]] == u)) - enable_irq(irq_from_evtchn(kbuf[i])); + + for (i = 0; i < (count/sizeof(evtchn_port_t)); i++) { + unsigned port = kbuf[i]; + + if (port < NR_EVENT_CHANNELS && + get_port_user(port) == u && + !get_port_enabled(port)) { + set_port_enabled(port, true); + enable_irq(irq_from_evtchn(port)); + } + } + spin_unlock_irq(&port_user_lock); rc = count; @@ -222,8 +261,9 @@ static int evtchn_bind_to_user(struct per_user_data *u, int port) * interrupt handler yet, and our caller has already * serialized bind operations.) */ - BUG_ON(port_user[port] != NULL); - port_user[port] = u; + BUG_ON(get_port_user(port) != NULL); + set_port_user(port, u); + set_port_enabled(port, true); /* start enabled */ rc = bind_evtchn_to_irqhandler(port, evtchn_interrupt, IRQF_DISABLED, u->name, (void *)(unsigned long)port); @@ -239,10 +279,7 @@ static void evtchn_unbind_from_user(struct per_user_data *u, int port) unbind_from_irqhandler(irq, (void *)(unsigned long)port); - /* make sure we unbind the irq handler before clearing the port */ - barrier(); - - port_user[port] = NULL; + set_port_user(port, NULL); } static long evtchn_ioctl(struct file *file, @@ -333,15 +370,17 @@ static long evtchn_ioctl(struct file *file, spin_lock_irq(&port_user_lock); rc = -ENOTCONN; - if (port_user[unbind.port] != u) { + if (get_port_user(unbind.port) != u) { spin_unlock_irq(&port_user_lock); break; } - evtchn_unbind_from_user(u, unbind.port); + disable_irq(irq_from_evtchn(unbind.port)); spin_unlock_irq(&port_user_lock); + evtchn_unbind_from_user(u, unbind.port); + rc = 0; break; } @@ -355,7 +394,7 @@ static long evtchn_ioctl(struct file *file, if (notify.port >= NR_EVENT_CHANNELS) { rc = -EINVAL; - } else if (port_user[notify.port] != u) { + } else if (get_port_user(notify.port) != u) { rc = -ENOTCONN; } else { notify_remote_via_evtchn(notify.port); @@ -431,7 +470,7 @@ static int evtchn_open(struct inode *inode, struct file *filp) filp->private_data = u; - return 0; + return nonseekable_open(inode, filp);; } static int evtchn_release(struct inode *inode, struct file *filp) @@ -444,14 +483,21 @@ static int evtchn_release(struct inode *inode, struct file *filp) free_page((unsigned long)u->ring); for (i = 0; i < NR_EVENT_CHANNELS; i++) { - if (port_user[i] != u) + if (get_port_user(i) != u) continue; - evtchn_unbind_from_user(port_user[i], i); + disable_irq(irq_from_evtchn(i)); } spin_unlock_irq(&port_user_lock); + for (i = 0; i < NR_EVENT_CHANNELS; i++) { + if (get_port_user(i) != u) + continue; + + evtchn_unbind_from_user(get_port_user(i), i); + } + kfree(u->name); kfree(u); @@ -467,12 +513,12 @@ static const struct file_operations evtchn_fops = { .fasync = evtchn_fasync, .open = evtchn_open, .release = evtchn_release, - .llseek = noop_llseek, + .llseek = no_llseek, }; static struct miscdevice evtchn_miscdev = { .minor = MISC_DYNAMIC_MINOR, - .name = "evtchn", + .name = "xen/evtchn", .fops = &evtchn_fops, }; static int __init evtchn_init(void) @@ -482,8 +528,11 @@ static int __init evtchn_init(void) if (!xen_domain()) return -ENODEV; + port_user = kcalloc(NR_EVENT_CHANNELS, sizeof(*port_user), GFP_KERNEL); + if (port_user == NULL) + return -ENOMEM; + spin_lock_init(&port_user_lock); - memset(port_user, 0, sizeof(port_user)); /* Create '/dev/misc/evtchn'. */ err = misc_register(&evtchn_miscdev); @@ -499,6 +548,9 @@ static int __init evtchn_init(void) static void __exit evtchn_cleanup(void) { + kfree(port_user); + port_user = NULL; + misc_deregister(&evtchn_miscdev); } diff --git a/drivers/xen/xenfs/privcmd.c b/drivers/xen/xenfs/privcmd.c index f80be7f6eb9..dbd3b16fd13 100644 --- a/drivers/xen/xenfs/privcmd.c +++ b/drivers/xen/xenfs/privcmd.c @@ -15,7 +15,6 @@ #include <linux/mman.h> #include <linux/uaccess.h> #include <linux/swap.h> -#include <linux/smp_lock.h> #include <linux/highmem.h> #include <linux/pagemap.h> #include <linux/seq_file.h> @@ -266,9 +265,7 @@ static int mmap_return_errors(void *data, void *state) xen_pfn_t *mfnp = data; struct mmap_batch_state *st = state; - put_user(*mfnp, st->user++); - - return 0; + return put_user(*mfnp, st->user++); } static struct vm_operations_struct privcmd_vm_ops; @@ -323,10 +320,8 @@ static long privcmd_ioctl_mmap_batch(void __user *udata) up_write(&mm->mmap_sem); if (state.err > 0) { - ret = 0; - state.user = m.arr; - traverse_pages(m.num, sizeof(xen_pfn_t), + ret = traverse_pages(m.num, sizeof(xen_pfn_t), &pagelist, mmap_return_errors, &state); } @@ -384,8 +379,9 @@ static int privcmd_mmap(struct file *file, struct vm_area_struct *vma) if (xen_feature(XENFEAT_auto_translated_physmap)) return -ENOSYS; - /* DONTCOPY is essential for Xen as copy_page_range is broken. */ - vma->vm_flags |= VM_RESERVED | VM_IO | VM_DONTCOPY; + /* DONTCOPY is essential for Xen because copy_page_range doesn't know + * how to recreate these mappings */ + vma->vm_flags |= VM_RESERVED | VM_IO | VM_DONTCOPY | VM_PFNMAP; vma->vm_ops = &privcmd_vm_ops; vma->vm_private_data = NULL; diff --git a/drivers/xen/xenfs/super.c b/drivers/xen/xenfs/super.c index f6339d11d59..1aa38971984 100644 --- a/drivers/xen/xenfs/super.c +++ b/drivers/xen/xenfs/super.c @@ -12,8 +12,6 @@ #include <linux/module.h> #include <linux/fs.h> #include <linux/magic.h> -#include <linux/mm.h> -#include <linux/backing-dev.h> #include <xen/xen.h> @@ -24,28 +22,12 @@ MODULE_DESCRIPTION("Xen filesystem"); MODULE_LICENSE("GPL"); -static int xenfs_set_page_dirty(struct page *page) -{ - return !TestSetPageDirty(page); -} - -static const struct address_space_operations xenfs_aops = { - .set_page_dirty = xenfs_set_page_dirty, -}; - -static struct backing_dev_info xenfs_backing_dev_info = { - .ra_pages = 0, /* No readahead */ - .capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK, -}; - static struct inode *xenfs_make_inode(struct super_block *sb, int mode) { struct inode *ret = new_inode(sb); if (ret) { ret->i_mode = mode; - ret->i_mapping->a_ops = &xenfs_aops; - ret->i_mapping->backing_dev_info = &xenfs_backing_dev_info; ret->i_uid = ret->i_gid = 0; ret->i_blocks = 0; ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME; @@ -121,9 +103,9 @@ static int xenfs_fill_super(struct super_block *sb, void *data, int silent) return rc; } -static int xenfs_mount(struct file_system_type *fs_type, - int flags, const char *dev_name, - void *data) +static struct dentry *xenfs_mount(struct file_system_type *fs_type, + int flags, const char *dev_name, + void *data) { return mount_single(fs_type, flags, data, xenfs_fill_super); } @@ -137,25 +119,11 @@ static struct file_system_type xenfs_type = { static int __init xenfs_init(void) { - int err; - if (!xen_domain()) { - printk(KERN_INFO "xenfs: not registering filesystem on non-xen platform\n"); - return 0; - } - - err = register_filesystem(&xenfs_type); - if (err) { - printk(KERN_ERR "xenfs: Unable to register filesystem!\n"); - goto out; - } - - err = bdi_init(&xenfs_backing_dev_info); - if (err) - unregister_filesystem(&xenfs_type); - - out: + if (xen_domain()) + return register_filesystem(&xenfs_type); - return err; + printk(KERN_INFO "XENFS: not registering filesystem on non-xen platform\n"); + return 0; } static void __exit xenfs_exit(void) diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c index cafc5045429..e0c84725d3e 100644 --- a/drivers/zorro/proc.c +++ b/drivers/zorro/proc.c @@ -13,7 +13,6 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/amigahw.h> #include <asm/setup.h> @@ -370,6 +370,9 @@ struct bio *bio_kmalloc(gfp_t gfp_mask, int nr_iovecs) { struct bio *bio; + if (nr_iovecs > UIO_MAXIOV) + return NULL; + bio = kmalloc(sizeof(struct bio) + nr_iovecs * sizeof(struct bio_vec), gfp_mask); if (unlikely(!bio)) @@ -697,8 +700,12 @@ static void bio_free_map_data(struct bio_map_data *bmd) static struct bio_map_data *bio_alloc_map_data(int nr_segs, int iov_count, gfp_t gfp_mask) { - struct bio_map_data *bmd = kmalloc(sizeof(*bmd), gfp_mask); + struct bio_map_data *bmd; + if (iov_count > UIO_MAXIOV) + return NULL; + + bmd = kmalloc(sizeof(*bmd), gfp_mask); if (!bmd) return NULL; @@ -827,6 +834,12 @@ struct bio *bio_copy_user_iov(struct request_queue *q, end = (uaddr + iov[i].iov_len + PAGE_SIZE - 1) >> PAGE_SHIFT; start = uaddr >> PAGE_SHIFT; + /* + * Overflow, abort + */ + if (end < start) + return ERR_PTR(-EINVAL); + nr_pages += end - start; len += iov[i].iov_len; } @@ -955,6 +968,12 @@ static struct bio *__bio_map_user_iov(struct request_queue *q, unsigned long end = (uaddr + len + PAGE_SIZE - 1) >> PAGE_SHIFT; unsigned long start = uaddr >> PAGE_SHIFT; + /* + * Overflow, abort + */ + if (end < start) + return ERR_PTR(-EINVAL); + nr_pages += end - start; /* * buffer must be aligned to at least hardsector size for now @@ -982,7 +1001,7 @@ static struct bio *__bio_map_user_iov(struct request_queue *q, unsigned long start = uaddr >> PAGE_SHIFT; const int local_nr_pages = end - start; const int page_limit = cur_page + local_nr_pages; - + ret = get_user_pages_fast(uaddr, local_nr_pages, write_to_vm, &pages[cur_page]); if (ret < local_nr_pages) { diff --git a/fs/block_dev.c b/fs/block_dev.c index 06e8ff12b97..4230252fd68 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -11,7 +11,6 @@ #include <linux/slab.h> #include <linux/kmod.h> #include <linux/major.h> -#include <linux/smp_lock.h> #include <linux/device_cgroup.h> #include <linux/highmem.h> #include <linux/blkdev.h> diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index e9c874abc9e..561438b6a50 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -204,7 +204,7 @@ static int readpage_nounlock(struct file *filp, struct page *page) err = ceph_osdc_readpages(osdc, ceph_vino(inode), &ci->i_layout, page->index << PAGE_CACHE_SHIFT, &len, ci->i_truncate_seq, ci->i_truncate_size, - &page, 1); + &page, 1, 0); if (err == -ENOENT) err = 0; if (err < 0) { @@ -287,7 +287,7 @@ static int ceph_readpages(struct file *file, struct address_space *mapping, rc = ceph_osdc_readpages(osdc, ceph_vino(inode), &ci->i_layout, offset, &len, ci->i_truncate_seq, ci->i_truncate_size, - pages, nr_pages); + pages, nr_pages, 0); if (rc == -ENOENT) rc = 0; if (rc < 0) @@ -774,7 +774,7 @@ get_more_pages: snapc, do_sync, ci->i_truncate_seq, ci->i_truncate_size, - &inode->i_mtime, true, 1); + &inode->i_mtime, true, 1, 0); max_pages = req->r_num_pages; alloc_page_vec(fsc, req); diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 98ab13e2b71..60d27bc9eb8 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1430,8 +1430,8 @@ static int try_nonblocking_invalidate(struct inode *inode) invalidating_gen == ci->i_rdcache_gen) { /* success. */ dout("try_nonblocking_invalidate %p success\n", inode); - ci->i_rdcache_gen = 0; - ci->i_rdcache_revoking = 0; + /* save any racing async invalidate some trouble */ + ci->i_rdcache_revoking = ci->i_rdcache_gen - 1; return 0; } dout("try_nonblocking_invalidate %p failed\n", inode); @@ -2273,8 +2273,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, { struct ceph_inode_info *ci = ceph_inode(inode); int mds = session->s_mds; - unsigned seq = le32_to_cpu(grant->seq); - unsigned issue_seq = le32_to_cpu(grant->issue_seq); + int seq = le32_to_cpu(grant->seq); int newcaps = le32_to_cpu(grant->caps); int issued, implemented, used, wanted, dirty; u64 size = le64_to_cpu(grant->size); @@ -2286,8 +2285,8 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, int revoked_rdcache = 0; int queue_invalidate = 0; - dout("handle_cap_grant inode %p cap %p mds%d seq %u/%u %s\n", - inode, cap, mds, seq, issue_seq, ceph_cap_string(newcaps)); + dout("handle_cap_grant inode %p cap %p mds%d seq %d %s\n", + inode, cap, mds, seq, ceph_cap_string(newcaps)); dout(" size %llu max_size %llu, i_size %llu\n", size, max_size, inode->i_size); @@ -2383,7 +2382,6 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, } cap->seq = seq; - cap->issue_seq = issue_seq; /* file layout may have changed */ ci->i_layout = grant->layout; @@ -2691,6 +2689,11 @@ static void handle_cap_import(struct ceph_mds_client *mdsc, NULL /* no caps context */); try_flush_caps(inode, session, NULL); up_read(&mdsc->snap_rwsem); + + /* make sure we re-request max_size, if necessary */ + spin_lock(&inode->i_lock); + ci->i_requested_max_size = 0; + spin_unlock(&inode->i_lock); } /* diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index e0a2dc6fcaf..7d447af84ec 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -336,7 +336,10 @@ more: if (req->r_reply_info.dir_end) { kfree(fi->last_name); fi->last_name = NULL; - fi->next_offset = 2; + if (ceph_frag_is_rightmost(frag)) + fi->next_offset = 2; + else + fi->next_offset = 0; } else { rinfo = &req->r_reply_info; err = note_last_dentry(fi, @@ -355,18 +358,22 @@ more: u64 pos = ceph_make_fpos(frag, off); struct ceph_mds_reply_inode *in = rinfo->dir_in[off - fi->offset].in; + struct ceph_vino vino; + ino_t ino; + dout("readdir off %d (%d/%d) -> %lld '%.*s' %p\n", off, off - fi->offset, rinfo->dir_nr, pos, rinfo->dir_dname_len[off - fi->offset], rinfo->dir_dname[off - fi->offset], in); BUG_ON(!in); ftype = le32_to_cpu(in->mode) >> 12; + vino.ino = le64_to_cpu(in->ino); + vino.snap = le64_to_cpu(in->snapid); + ino = ceph_vino_to_ino(vino); if (filldir(dirent, rinfo->dir_dname[off - fi->offset], rinfo->dir_dname_len[off - fi->offset], - pos, - le64_to_cpu(in->ino), - ftype) < 0) { + pos, ino, ftype) < 0) { dout("filldir stopping us...\n"); return 0; } @@ -414,6 +421,7 @@ static void reset_readdir(struct ceph_file_info *fi) fi->last_readdir = NULL; } kfree(fi->last_name); + fi->last_name = NULL; fi->next_offset = 2; /* compensate for . and .. */ if (fi->dentry) { dput(fi->dentry); diff --git a/fs/ceph/file.c b/fs/ceph/file.c index e77c28cf369..8d79b8912e3 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -154,11 +154,13 @@ int ceph_open(struct inode *inode, struct file *file) } /* - * No need to block if we have any caps. Update wanted set + * No need to block if we have caps on the auth MDS (for + * write) or any MDS (for read). Update wanted set * asynchronously. */ spin_lock(&inode->i_lock); - if (__ceph_is_any_real_caps(ci)) { + if (__ceph_is_any_real_caps(ci) && + (((fmode & CEPH_FILE_MODE_WR) == 0) || ci->i_auth_cap)) { int mds_wanted = __ceph_caps_mds_wanted(ci); int issued = __ceph_caps_issued(ci, NULL); @@ -280,11 +282,12 @@ int ceph_release(struct inode *inode, struct file *file) static int striped_read(struct inode *inode, u64 off, u64 len, struct page **pages, int num_pages, - int *checkeof) + int *checkeof, bool align_to_pages) { struct ceph_fs_client *fsc = ceph_inode_to_client(inode); struct ceph_inode_info *ci = ceph_inode(inode); u64 pos, this_len; + int io_align, page_align; int page_off = off & ~PAGE_CACHE_MASK; /* first byte's offset in page */ int left, pages_left; int read; @@ -300,14 +303,19 @@ static int striped_read(struct inode *inode, page_pos = pages; pages_left = num_pages; read = 0; + io_align = off & ~PAGE_MASK; more: + if (align_to_pages) + page_align = (pos - io_align) & ~PAGE_MASK; + else + page_align = pos & ~PAGE_MASK; this_len = left; ret = ceph_osdc_readpages(&fsc->client->osdc, ceph_vino(inode), &ci->i_layout, pos, &this_len, ci->i_truncate_seq, ci->i_truncate_size, - page_pos, pages_left); + page_pos, pages_left, page_align); hit_stripe = this_len < left; was_short = ret >= 0 && ret < this_len; if (ret == -ENOENT) @@ -374,26 +382,25 @@ static ssize_t ceph_sync_read(struct file *file, char __user *data, dout("sync_read on file %p %llu~%u %s\n", file, off, len, (file->f_flags & O_DIRECT) ? "O_DIRECT" : ""); - if (file->f_flags & O_DIRECT) { - pages = ceph_get_direct_page_vector(data, num_pages, off, len); - - /* - * flush any page cache pages in this range. this - * will make concurrent normal and O_DIRECT io slow, - * but it will at least behave sensibly when they are - * in sequence. - */ - } else { + if (file->f_flags & O_DIRECT) + pages = ceph_get_direct_page_vector(data, num_pages); + else pages = ceph_alloc_page_vector(num_pages, GFP_NOFS); - } if (IS_ERR(pages)) return PTR_ERR(pages); + /* + * flush any page cache pages in this range. this + * will make concurrent normal and sync io slow, + * but it will at least behave sensibly when they are + * in sequence. + */ ret = filemap_write_and_wait(inode->i_mapping); if (ret < 0) goto done; - ret = striped_read(inode, off, len, pages, num_pages, checkeof); + ret = striped_read(inode, off, len, pages, num_pages, checkeof, + file->f_flags & O_DIRECT); if (ret >= 0 && (file->f_flags & O_DIRECT) == 0) ret = ceph_copy_page_vector_to_user(pages, data, off, ret); @@ -448,6 +455,7 @@ static ssize_t ceph_sync_write(struct file *file, const char __user *data, int flags; int do_sync = 0; int check_caps = 0; + int page_align, io_align; int ret; struct timespec mtime = CURRENT_TIME; @@ -462,6 +470,8 @@ static ssize_t ceph_sync_write(struct file *file, const char __user *data, else pos = *offset; + io_align = pos & ~PAGE_MASK; + ret = filemap_write_and_wait_range(inode->i_mapping, pos, pos + left); if (ret < 0) return ret; @@ -486,20 +496,26 @@ static ssize_t ceph_sync_write(struct file *file, const char __user *data, */ more: len = left; + if (file->f_flags & O_DIRECT) + /* write from beginning of first page, regardless of + io alignment */ + page_align = (pos - io_align) & ~PAGE_MASK; + else + page_align = pos & ~PAGE_MASK; req = ceph_osdc_new_request(&fsc->client->osdc, &ci->i_layout, ceph_vino(inode), pos, &len, CEPH_OSD_OP_WRITE, flags, ci->i_snap_realm->cached_context, do_sync, ci->i_truncate_seq, ci->i_truncate_size, - &mtime, false, 2); + &mtime, false, 2, page_align); if (!req) return -ENOMEM; num_pages = calc_pages_for(pos, len); if (file->f_flags & O_DIRECT) { - pages = ceph_get_direct_page_vector(data, num_pages, pos, len); + pages = ceph_get_direct_page_vector(data, num_pages); if (IS_ERR(pages)) { ret = PTR_ERR(pages); goto out; diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 1d6a45b5a04..bf1286588f2 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -2,7 +2,6 @@ #include <linux/module.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/uaccess.h> @@ -471,7 +470,9 @@ void ceph_fill_file_time(struct inode *inode, int issued, if (issued & (CEPH_CAP_FILE_EXCL| CEPH_CAP_FILE_WR| - CEPH_CAP_FILE_BUFFER)) { + CEPH_CAP_FILE_BUFFER| + CEPH_CAP_AUTH_EXCL| + CEPH_CAP_XATTR_EXCL)) { if (timespec_compare(ctime, &inode->i_ctime) > 0) { dout("ctime %ld.%09ld -> %ld.%09ld inc w/ cap\n", inode->i_ctime.tv_sec, inode->i_ctime.tv_nsec, @@ -511,7 +512,7 @@ void ceph_fill_file_time(struct inode *inode, int issued, warn = 1; } } else { - /* we have no write caps; whatever the MDS says is true */ + /* we have no write|excl caps; whatever the MDS says is true */ if (ceph_seq_cmp(time_warp_seq, ci->i_time_warp_seq) >= 0) { inode->i_ctime = *ctime; inode->i_mtime = *mtime; @@ -567,12 +568,17 @@ static int fill_inode(struct inode *inode, /* * provided version will be odd if inode value is projected, - * even if stable. skip the update if we have a newer info - * (e.g., due to inode info racing form multiple MDSs), or if - * we are getting projected (unstable) inode info. + * even if stable. skip the update if we have newer stable + * info (ours>=theirs, e.g. due to racing mds replies), unless + * we are getting projected (unstable) info (in which case the + * version is odd, and we want ours>theirs). + * us them + * 2 2 skip + * 3 2 skip + * 3 3 update */ if (le64_to_cpu(info->version) > 0 && - (ci->i_version & ~1) > le64_to_cpu(info->version)) + (ci->i_version & ~1) >= le64_to_cpu(info->version)) goto no_change; issued = __ceph_caps_issued(ci, &implemented); @@ -606,7 +612,14 @@ static int fill_inode(struct inode *inode, le32_to_cpu(info->time_warp_seq), &ctime, &mtime, &atime); - ci->i_max_size = le64_to_cpu(info->max_size); + /* only update max_size on auth cap */ + if ((info->cap.flags & CEPH_CAP_FLAG_AUTH) && + ci->i_max_size != le64_to_cpu(info->max_size)) { + dout("max_size %lld -> %llu\n", ci->i_max_size, + le64_to_cpu(info->max_size)); + ci->i_max_size = le64_to_cpu(info->max_size); + } + ci->i_layout = info->layout; inode->i_blkbits = fls(le32_to_cpu(info->layout.fl_stripe_unit)) - 1; @@ -1055,7 +1068,8 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req, ininfo = rinfo->targeti.in; vino.ino = le64_to_cpu(ininfo->ino); vino.snap = le64_to_cpu(ininfo->snapid); - if (!dn->d_inode) { + in = dn->d_inode; + if (!in) { in = ceph_get_inode(sb, vino); if (IS_ERR(in)) { pr_err("fill_trace bad get_inode " @@ -1386,11 +1400,8 @@ static void ceph_invalidate_work(struct work_struct *work) spin_lock(&inode->i_lock); dout("invalidate_pages %p gen %d revoking %d\n", inode, ci->i_rdcache_gen, ci->i_rdcache_revoking); - if (ci->i_rdcache_gen == 0 || - ci->i_rdcache_revoking != ci->i_rdcache_gen) { - BUG_ON(ci->i_rdcache_revoking > ci->i_rdcache_gen); + if (ci->i_rdcache_revoking != ci->i_rdcache_gen) { /* nevermind! */ - ci->i_rdcache_revoking = 0; spin_unlock(&inode->i_lock); goto out; } @@ -1400,15 +1411,16 @@ static void ceph_invalidate_work(struct work_struct *work) ceph_invalidate_nondirty_pages(inode->i_mapping); spin_lock(&inode->i_lock); - if (orig_gen == ci->i_rdcache_gen) { + if (orig_gen == ci->i_rdcache_gen && + orig_gen == ci->i_rdcache_revoking) { dout("invalidate_pages %p gen %d successful\n", inode, ci->i_rdcache_gen); - ci->i_rdcache_gen = 0; - ci->i_rdcache_revoking = 0; + ci->i_rdcache_revoking--; check = 1; } else { - dout("invalidate_pages %p gen %d raced, gen now %d\n", - inode, orig_gen, ci->i_rdcache_gen); + dout("invalidate_pages %p gen %d raced, now %d revoking %d\n", + inode, orig_gen, ci->i_rdcache_gen, + ci->i_rdcache_revoking); } spin_unlock(&inode->i_lock); @@ -1739,7 +1751,7 @@ int ceph_do_getattr(struct inode *inode, int mask) return 0; } - dout("do_getattr inode %p mask %s\n", inode, ceph_cap_string(mask)); + dout("do_getattr inode %p mask %s mode 0%o\n", inode, ceph_cap_string(mask), inode->i_mode); if (ceph_caps_issued_mask(ceph_inode(inode), mask, 1)) return 0; diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 3142b15940c..098b1850847 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -6,7 +6,6 @@ #include <linux/sched.h> #include <linux/debugfs.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include "super.h" #include "mds_client.h" @@ -529,6 +528,9 @@ static void __register_request(struct ceph_mds_client *mdsc, ceph_mdsc_get_request(req); __insert_request(mdsc, req); + req->r_uid = current_fsuid(); + req->r_gid = current_fsgid(); + if (dir) { struct ceph_inode_info *ci = ceph_inode(dir); @@ -1588,8 +1590,8 @@ static struct ceph_msg *create_request_message(struct ceph_mds_client *mdsc, head->mdsmap_epoch = cpu_to_le32(mdsc->mdsmap->m_epoch); head->op = cpu_to_le32(req->r_op); - head->caller_uid = cpu_to_le32(current_fsuid()); - head->caller_gid = cpu_to_le32(current_fsgid()); + head->caller_uid = cpu_to_le32(req->r_uid); + head->caller_gid = cpu_to_le32(req->r_gid); head->args = req->r_args; ceph_encode_filepath(&p, end, ino1, path1); diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index d66d63c7235..9341fd4f143 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -170,6 +170,8 @@ struct ceph_mds_request { union ceph_mds_request_args r_args; int r_fmode; /* file mode, if expecting cap */ + uid_t r_uid; + gid_t r_gid; /* for choosing which mds to send this request to */ int r_direct_mode; diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 1886294e12f..7f01728a465 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -293,9 +293,7 @@ struct ceph_inode_info { int i_rd_ref, i_rdcache_ref, i_wr_ref; int i_wrbuffer_ref, i_wrbuffer_ref_head; u32 i_shared_gen; /* increment each time we get FILE_SHARED */ - u32 i_rdcache_gen; /* we increment this each time we get - FILE_CACHE. If it's non-zero, we - _may_ have cached pages. */ + u32 i_rdcache_gen; /* incremented each time we get FILE_CACHE. */ u32 i_rdcache_revoking; /* RDCACHE gen to async invalidate, if any */ struct list_head i_unsafe_writes; /* uncommitted sync writes */ diff --git a/fs/cifs/TODO b/fs/cifs/TODO index 5aff46c61e5..355abcdcda9 100644 --- a/fs/cifs/TODO +++ b/fs/cifs/TODO @@ -81,7 +81,7 @@ u) DOS attrs - returned as pseudo-xattr in Samba format (check VFAT and NTFS for v) mount check for unmatched uids -w) Add support for new vfs entry points for setlease and fallocate +w) Add support for new vfs entry point for fallocate x) Fix Samba 3 server to handle Linux kernel aio so dbench with lots of processes can proceed better in parallel (on the server) diff --git a/fs/cifs/cifs_fs_sb.h b/fs/cifs/cifs_fs_sb.h index 525ba59a410..e9a393c9c2c 100644 --- a/fs/cifs/cifs_fs_sb.h +++ b/fs/cifs/cifs_fs_sb.h @@ -15,7 +15,7 @@ * the GNU Lesser General Public License for more details. * */ -#include <linux/radix-tree.h> +#include <linux/rbtree.h> #ifndef _CIFS_FS_SB_H #define _CIFS_FS_SB_H @@ -42,9 +42,9 @@ #define CIFS_MOUNT_MULTIUSER 0x20000 /* multiuser mount */ struct cifs_sb_info { - struct radix_tree_root tlink_tree; -#define CIFS_TLINK_MASTER_TAG 0 /* is "master" (mount) tcon */ + struct rb_root tlink_tree; spinlock_t tlink_tree_lock; + struct tcon_link *master_tlink; struct nls_table *local_nls; unsigned int rsize; unsigned int wsize; diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 75c4eaa7958..9c3789762ab 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -116,7 +116,7 @@ cifs_read_super(struct super_block *sb, void *data, return -ENOMEM; spin_lock_init(&cifs_sb->tlink_tree_lock); - INIT_RADIX_TREE(&cifs_sb->tlink_tree, GFP_KERNEL); + cifs_sb->tlink_tree = RB_ROOT; rc = bdi_setup_and_register(&cifs_sb->bdi, "cifs", BDI_CAP_MAP_COPY); if (rc) { @@ -321,8 +321,7 @@ cifs_alloc_inode(struct super_block *sb) /* Until the file is open and we have gotten oplock info back from the server, can not assume caching of file data or metadata */ - cifs_inode->clientCanCacheRead = false; - cifs_inode->clientCanCacheAll = false; + cifs_set_oplock_level(cifs_inode, 0); cifs_inode->delete_pending = false; cifs_inode->invalid_mapping = false; cifs_inode->vfs_inode.i_blkbits = 14; /* 2**14 = CIFS_MAX_MSGSIZE */ diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index f259e4d7612..b577bf0a1bb 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -336,7 +336,8 @@ struct cifsTconInfo { * "get" on the container. */ struct tcon_link { - unsigned long tl_index; + struct rb_node tl_rbnode; + uid_t tl_uid; unsigned long tl_flags; #define TCON_LINK_MASTER 0 #define TCON_LINK_PENDING 1 diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index edb6d90efdf..7ed69b6b5fe 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -104,6 +104,7 @@ extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601); extern u64 cifs_UnixTimeToNT(struct timespec); extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, int offset); +extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock); extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle, struct file *file, struct tcon_link *tlink, diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 9eb327defa1..251a17c0354 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -116,6 +116,7 @@ struct smb_vol { static int ipv4_connect(struct TCP_Server_Info *server); static int ipv6_connect(struct TCP_Server_Info *server); +static void tlink_rb_insert(struct rb_root *root, struct tcon_link *new_tlink); static void cifs_prune_tlinks(struct work_struct *work); /* @@ -2900,24 +2901,16 @@ remote_path_check: goto mount_fail_check; } - tlink->tl_index = pSesInfo->linux_uid; + tlink->tl_uid = pSesInfo->linux_uid; tlink->tl_tcon = tcon; tlink->tl_time = jiffies; set_bit(TCON_LINK_MASTER, &tlink->tl_flags); set_bit(TCON_LINK_IN_TREE, &tlink->tl_flags); - rc = radix_tree_preload(GFP_KERNEL); - if (rc == -ENOMEM) { - kfree(tlink); - goto mount_fail_check; - } - + cifs_sb->master_tlink = tlink; spin_lock(&cifs_sb->tlink_tree_lock); - radix_tree_insert(&cifs_sb->tlink_tree, pSesInfo->linux_uid, tlink); - radix_tree_tag_set(&cifs_sb->tlink_tree, pSesInfo->linux_uid, - CIFS_TLINK_MASTER_TAG); + tlink_rb_insert(&cifs_sb->tlink_tree, tlink); spin_unlock(&cifs_sb->tlink_tree_lock); - radix_tree_preload_end(); queue_delayed_work(system_nrt_wq, &cifs_sb->prune_tlinks, TLINK_IDLE_EXPIRE); @@ -3107,32 +3100,25 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, int cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb) { - int i, ret; + struct rb_root *root = &cifs_sb->tlink_tree; + struct rb_node *node; + struct tcon_link *tlink; char *tmp; - struct tcon_link *tlink[8]; - unsigned long index = 0; cancel_delayed_work_sync(&cifs_sb->prune_tlinks); - do { - spin_lock(&cifs_sb->tlink_tree_lock); - ret = radix_tree_gang_lookup(&cifs_sb->tlink_tree, - (void **)tlink, index, - ARRAY_SIZE(tlink)); - /* increment index for next pass */ - if (ret > 0) - index = tlink[ret - 1]->tl_index + 1; - for (i = 0; i < ret; i++) { - cifs_get_tlink(tlink[i]); - clear_bit(TCON_LINK_IN_TREE, &tlink[i]->tl_flags); - radix_tree_delete(&cifs_sb->tlink_tree, - tlink[i]->tl_index); - } - spin_unlock(&cifs_sb->tlink_tree_lock); + spin_lock(&cifs_sb->tlink_tree_lock); + while ((node = rb_first(root))) { + tlink = rb_entry(node, struct tcon_link, tl_rbnode); + cifs_get_tlink(tlink); + clear_bit(TCON_LINK_IN_TREE, &tlink->tl_flags); + rb_erase(node, root); - for (i = 0; i < ret; i++) - cifs_put_tlink(tlink[i]); - } while (ret != 0); + spin_unlock(&cifs_sb->tlink_tree_lock); + cifs_put_tlink(tlink); + spin_lock(&cifs_sb->tlink_tree_lock); + } + spin_unlock(&cifs_sb->tlink_tree_lock); tmp = cifs_sb->prepath; cifs_sb->prepathlen = 0; @@ -3271,22 +3257,10 @@ out: return tcon; } -static struct tcon_link * +static inline struct tcon_link * cifs_sb_master_tlink(struct cifs_sb_info *cifs_sb) { - struct tcon_link *tlink; - unsigned int ret; - - spin_lock(&cifs_sb->tlink_tree_lock); - ret = radix_tree_gang_lookup_tag(&cifs_sb->tlink_tree, (void **)&tlink, - 0, 1, CIFS_TLINK_MASTER_TAG); - spin_unlock(&cifs_sb->tlink_tree_lock); - - /* the master tcon should always be present */ - if (ret == 0) - BUG(); - - return tlink; + return cifs_sb->master_tlink; } struct cifsTconInfo * @@ -3302,6 +3276,47 @@ cifs_sb_tcon_pending_wait(void *unused) return signal_pending(current) ? -ERESTARTSYS : 0; } +/* find and return a tlink with given uid */ +static struct tcon_link * +tlink_rb_search(struct rb_root *root, uid_t uid) +{ + struct rb_node *node = root->rb_node; + struct tcon_link *tlink; + + while (node) { + tlink = rb_entry(node, struct tcon_link, tl_rbnode); + + if (tlink->tl_uid > uid) + node = node->rb_left; + else if (tlink->tl_uid < uid) + node = node->rb_right; + else + return tlink; + } + return NULL; +} + +/* insert a tcon_link into the tree */ +static void +tlink_rb_insert(struct rb_root *root, struct tcon_link *new_tlink) +{ + struct rb_node **new = &(root->rb_node), *parent = NULL; + struct tcon_link *tlink; + + while (*new) { + tlink = rb_entry(*new, struct tcon_link, tl_rbnode); + parent = *new; + + if (tlink->tl_uid > new_tlink->tl_uid) + new = &((*new)->rb_left); + else + new = &((*new)->rb_right); + } + + rb_link_node(&new_tlink->tl_rbnode, parent, new); + rb_insert_color(&new_tlink->tl_rbnode, root); +} + /* * Find or construct an appropriate tcon given a cifs_sb and the fsuid of the * current task. @@ -3309,7 +3324,7 @@ cifs_sb_tcon_pending_wait(void *unused) * If the superblock doesn't refer to a multiuser mount, then just return * the master tcon for the mount. * - * First, search the radix tree for an existing tcon for this fsuid. If one + * First, search the rbtree for an existing tcon for this fsuid. If one * exists, then check to see if it's pending construction. If it is then wait * for construction to complete. Once it's no longer pending, check to see if * it failed and either return an error or retry construction, depending on @@ -3322,14 +3337,14 @@ struct tcon_link * cifs_sb_tlink(struct cifs_sb_info *cifs_sb) { int ret; - unsigned long fsuid = (unsigned long) current_fsuid(); + uid_t fsuid = current_fsuid(); struct tcon_link *tlink, *newtlink; if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER)) return cifs_get_tlink(cifs_sb_master_tlink(cifs_sb)); spin_lock(&cifs_sb->tlink_tree_lock); - tlink = radix_tree_lookup(&cifs_sb->tlink_tree, fsuid); + tlink = tlink_rb_search(&cifs_sb->tlink_tree, fsuid); if (tlink) cifs_get_tlink(tlink); spin_unlock(&cifs_sb->tlink_tree_lock); @@ -3338,36 +3353,24 @@ cifs_sb_tlink(struct cifs_sb_info *cifs_sb) newtlink = kzalloc(sizeof(*tlink), GFP_KERNEL); if (newtlink == NULL) return ERR_PTR(-ENOMEM); - newtlink->tl_index = fsuid; + newtlink->tl_uid = fsuid; newtlink->tl_tcon = ERR_PTR(-EACCES); set_bit(TCON_LINK_PENDING, &newtlink->tl_flags); set_bit(TCON_LINK_IN_TREE, &newtlink->tl_flags); cifs_get_tlink(newtlink); - ret = radix_tree_preload(GFP_KERNEL); - if (ret != 0) { - kfree(newtlink); - return ERR_PTR(ret); - } - spin_lock(&cifs_sb->tlink_tree_lock); /* was one inserted after previous search? */ - tlink = radix_tree_lookup(&cifs_sb->tlink_tree, fsuid); + tlink = tlink_rb_search(&cifs_sb->tlink_tree, fsuid); if (tlink) { cifs_get_tlink(tlink); spin_unlock(&cifs_sb->tlink_tree_lock); - radix_tree_preload_end(); kfree(newtlink); goto wait_for_construction; } - ret = radix_tree_insert(&cifs_sb->tlink_tree, fsuid, newtlink); - spin_unlock(&cifs_sb->tlink_tree_lock); - radix_tree_preload_end(); - if (ret) { - kfree(newtlink); - return ERR_PTR(ret); - } tlink = newtlink; + tlink_rb_insert(&cifs_sb->tlink_tree, tlink); + spin_unlock(&cifs_sb->tlink_tree_lock); } else { wait_for_construction: ret = wait_on_bit(&tlink->tl_flags, TCON_LINK_PENDING, @@ -3413,39 +3416,39 @@ cifs_prune_tlinks(struct work_struct *work) { struct cifs_sb_info *cifs_sb = container_of(work, struct cifs_sb_info, prune_tlinks.work); - struct tcon_link *tlink[8]; - unsigned long now = jiffies; - unsigned long index = 0; - int i, ret; + struct rb_root *root = &cifs_sb->tlink_tree; + struct rb_node *node = rb_first(root); + struct rb_node *tmp; + struct tcon_link *tlink; - do { - spin_lock(&cifs_sb->tlink_tree_lock); - ret = radix_tree_gang_lookup(&cifs_sb->tlink_tree, - (void **)tlink, index, - ARRAY_SIZE(tlink)); - /* increment index for next pass */ - if (ret > 0) - index = tlink[ret - 1]->tl_index + 1; - for (i = 0; i < ret; i++) { - if (test_bit(TCON_LINK_MASTER, &tlink[i]->tl_flags) || - atomic_read(&tlink[i]->tl_count) != 0 || - time_after(tlink[i]->tl_time + TLINK_IDLE_EXPIRE, - now)) { - tlink[i] = NULL; - continue; - } - cifs_get_tlink(tlink[i]); - clear_bit(TCON_LINK_IN_TREE, &tlink[i]->tl_flags); - radix_tree_delete(&cifs_sb->tlink_tree, - tlink[i]->tl_index); - } - spin_unlock(&cifs_sb->tlink_tree_lock); + /* + * Because we drop the spinlock in the loop in order to put the tlink + * it's not guarded against removal of links from the tree. The only + * places that remove entries from the tree are this function and + * umounts. Because this function is non-reentrant and is canceled + * before umount can proceed, this is safe. + */ + spin_lock(&cifs_sb->tlink_tree_lock); + node = rb_first(root); + while (node != NULL) { + tmp = node; + node = rb_next(tmp); + tlink = rb_entry(tmp, struct tcon_link, tl_rbnode); + + if (test_bit(TCON_LINK_MASTER, &tlink->tl_flags) || + atomic_read(&tlink->tl_count) != 0 || + time_after(tlink->tl_time + TLINK_IDLE_EXPIRE, jiffies)) + continue; - for (i = 0; i < ret; i++) { - if (tlink[i] != NULL) - cifs_put_tlink(tlink[i]); - } - } while (ret != 0); + cifs_get_tlink(tlink); + clear_bit(TCON_LINK_IN_TREE, &tlink->tl_flags); + rb_erase(tmp, root); + + spin_unlock(&cifs_sb->tlink_tree_lock); + cifs_put_tlink(tlink); + spin_lock(&cifs_sb->tlink_tree_lock); + } + spin_unlock(&cifs_sb->tlink_tree_lock); queue_delayed_work(system_nrt_wq, &cifs_sb->prune_tlinks, TLINK_IDLE_EXPIRE); diff --git a/fs/cifs/file.c b/fs/cifs/file.c index ae82159cf7f..06c3e83fa38 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -146,12 +146,7 @@ client_can_cache: rc = cifs_get_inode_info(&inode, full_path, buf, inode->i_sb, xid, NULL); - if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) { - pCifsInode->clientCanCacheAll = true; - pCifsInode->clientCanCacheRead = true; - cFYI(1, "Exclusive Oplock granted on inode %p", inode); - } else if ((oplock & 0xF) == OPLOCK_READ) - pCifsInode->clientCanCacheRead = true; + cifs_set_oplock_level(pCifsInode, oplock); return rc; } @@ -253,12 +248,7 @@ cifs_new_fileinfo(__u16 fileHandle, struct file *file, list_add_tail(&pCifsFile->flist, &pCifsInode->openFileList); spin_unlock(&cifs_file_list_lock); - if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) { - pCifsInode->clientCanCacheAll = true; - pCifsInode->clientCanCacheRead = true; - cFYI(1, "Exclusive Oplock inode %p", inode); - } else if ((oplock & 0xF) == OPLOCK_READ) - pCifsInode->clientCanCacheRead = true; + cifs_set_oplock_level(pCifsInode, oplock); file->private_data = pCifsFile; return pCifsFile; @@ -271,8 +261,9 @@ cifs_new_fileinfo(__u16 fileHandle, struct file *file, */ void cifsFileInfo_put(struct cifsFileInfo *cifs_file) { + struct inode *inode = cifs_file->dentry->d_inode; struct cifsTconInfo *tcon = tlink_tcon(cifs_file->tlink); - struct cifsInodeInfo *cifsi = CIFS_I(cifs_file->dentry->d_inode); + struct cifsInodeInfo *cifsi = CIFS_I(inode); struct cifsLockInfo *li, *tmp; spin_lock(&cifs_file_list_lock); @@ -288,8 +279,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file) if (list_empty(&cifsi->openFileList)) { cFYI(1, "closing last open instance for inode %p", cifs_file->dentry->d_inode); - cifsi->clientCanCacheRead = false; - cifsi->clientCanCacheAll = false; + cifs_set_oplock_level(cifsi, 0); } spin_unlock(&cifs_file_list_lock); @@ -607,8 +597,6 @@ reopen_success: rc = filemap_write_and_wait(inode->i_mapping); mapping_set_error(inode->i_mapping, rc); - pCifsInode->clientCanCacheAll = false; - pCifsInode->clientCanCacheRead = false; if (tcon->unix_ext) rc = cifs_get_inode_info_unix(&inode, full_path, inode->i_sb, xid); @@ -622,18 +610,9 @@ reopen_success: invalidate the current end of file on the server we can not go to the server to get the new inod info */ - if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) { - pCifsInode->clientCanCacheAll = true; - pCifsInode->clientCanCacheRead = true; - cFYI(1, "Exclusive Oplock granted on inode %p", - pCifsFile->dentry->d_inode); - } else if ((oplock & 0xF) == OPLOCK_READ) { - pCifsInode->clientCanCacheRead = true; - pCifsInode->clientCanCacheAll = false; - } else { - pCifsInode->clientCanCacheRead = false; - pCifsInode->clientCanCacheAll = false; - } + + cifs_set_oplock_level(pCifsInode, oplock); + cifs_relock_file(pCifsFile); reopen_error_exit: @@ -775,12 +754,6 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock) cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); tcon = tlink_tcon(((struct cifsFileInfo *)file->private_data)->tlink); - - if (file->private_data == NULL) { - rc = -EBADF; - FreeXid(xid); - return rc; - } netfid = ((struct cifsFileInfo *)file->private_data)->netfid; if ((tcon->ses->capabilities & CAP_UNIX) && @@ -956,6 +929,7 @@ cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset, ssize_t cifs_user_write(struct file *file, const char __user *write_data, size_t write_size, loff_t *poffset) { + struct inode *inode = file->f_path.dentry->d_inode; int rc = 0; unsigned int bytes_written = 0; unsigned int total_written; @@ -963,7 +937,7 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, struct cifsTconInfo *pTcon; int xid, long_op; struct cifsFileInfo *open_file; - struct cifsInodeInfo *cifsi = CIFS_I(file->f_path.dentry->d_inode); + struct cifsInodeInfo *cifsi = CIFS_I(inode); cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); @@ -1029,21 +1003,17 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, cifs_stats_bytes_written(pTcon, total_written); - /* since the write may have blocked check these pointers again */ - if ((file->f_path.dentry) && (file->f_path.dentry->d_inode)) { - struct inode *inode = file->f_path.dentry->d_inode; /* Do not update local mtime - server will set its actual value on write - * inode->i_ctime = inode->i_mtime = - * current_fs_time(inode->i_sb);*/ - if (total_written > 0) { - spin_lock(&inode->i_lock); - if (*poffset > file->f_path.dentry->d_inode->i_size) - i_size_write(file->f_path.dentry->d_inode, - *poffset); - spin_unlock(&inode->i_lock); - } - mark_inode_dirty_sync(file->f_path.dentry->d_inode); + * inode->i_ctime = inode->i_mtime = + * current_fs_time(inode->i_sb);*/ + if (total_written > 0) { + spin_lock(&inode->i_lock); + if (*poffset > inode->i_size) + i_size_write(inode, *poffset); + spin_unlock(&inode->i_lock); } + mark_inode_dirty_sync(inode); + FreeXid(xid); return total_written; } @@ -1178,7 +1148,7 @@ struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *cifs_inode, bool fsuid_only) { struct cifsFileInfo *open_file; - struct cifs_sb_info *cifs_sb = CIFS_SB(cifs_inode->vfs_inode.i_sb); + struct cifs_sb_info *cifs_sb; bool any_available = false; int rc; @@ -1192,6 +1162,8 @@ struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *cifs_inode, return NULL; } + cifs_sb = CIFS_SB(cifs_inode->vfs_inode.i_sb); + /* only filter by fsuid on multiuser mounts */ if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER)) fsuid_only = false; diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 39869c3c3ef..ef3a55bf86b 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -2177,7 +2177,6 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) setattr_copy(inode, attrs); mark_inode_dirty(inode); - return 0; cifs_setattr_exit: kfree(full_path); diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index 077bf756f34..0c98672d012 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -38,10 +38,10 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) struct cifs_sb_info *cifs_sb; #ifdef CONFIG_CIFS_POSIX struct cifsFileInfo *pSMBFile = filep->private_data; - struct cifsTconInfo *tcon = tlink_tcon(pSMBFile->tlink); + struct cifsTconInfo *tcon; __u64 ExtAttrBits = 0; __u64 ExtAttrMask = 0; - __u64 caps = le64_to_cpu(tcon->fsUnixInfo.Capability); + __u64 caps; #endif /* CONFIG_CIFS_POSIX */ xid = GetXid(); @@ -62,9 +62,11 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) break; #ifdef CONFIG_CIFS_POSIX case FS_IOC_GETFLAGS: + if (pSMBFile == NULL) + break; + tcon = tlink_tcon(pSMBFile->tlink); + caps = le64_to_cpu(tcon->fsUnixInfo.Capability); if (CIFS_UNIX_EXTATTR_CAP & caps) { - if (pSMBFile == NULL) - break; rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid, &ExtAttrBits, &ExtAttrMask); if (rc == 0) @@ -75,13 +77,15 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) break; case FS_IOC_SETFLAGS: + if (pSMBFile == NULL) + break; + tcon = tlink_tcon(pSMBFile->tlink); + caps = le64_to_cpu(tcon->fsUnixInfo.Capability); if (CIFS_UNIX_EXTATTR_CAP & caps) { if (get_user(ExtAttrBits, (int __user *)arg)) { rc = -EFAULT; break; } - if (pSMBFile == NULL) - break; /* rc= CIFSGetExtAttr(xid,tcon,pSMBFile->netfid, extAttrBits, &ExtAttrMask);*/ } diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index c4e296fe351..43f10281bc1 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -569,10 +569,9 @@ is_valid_oplock_break(struct smb_hdr *buf, struct TCP_Server_Info *srv) cFYI(1, "file id match, oplock break"); pCifsInode = CIFS_I(netfile->dentry->d_inode); - pCifsInode->clientCanCacheAll = false; - if (pSMB->OplockLevel == 0) - pCifsInode->clientCanCacheRead = false; + cifs_set_oplock_level(pCifsInode, + pSMB->OplockLevel); /* * cifs_oplock_break_put() can't be called * from here. Get reference after queueing @@ -722,3 +721,23 @@ cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb) cifs_sb_master_tcon(cifs_sb)->treeName); } } + +void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock) +{ + oplock &= 0xF; + + if (oplock == OPLOCK_EXCLUSIVE) { + cinode->clientCanCacheAll = true; + cinode->clientCanCacheRead = true; + cFYI(1, "Exclusive Oplock granted on inode %p", + &cinode->vfs_inode); + } else if (oplock == OPLOCK_READ) { + cinode->clientCanCacheAll = false; + cinode->clientCanCacheRead = true; + cFYI(1, "Level II Oplock granted on inode %p", + &cinode->vfs_inode); + } else { + cinode->clientCanCacheAll = false; + cinode->clientCanCacheRead = false; + } +} diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 410ed188faa..a60579b007b 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -19,7 +19,6 @@ #include <linux/compiler.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/ioctl.h> #include <linux/if.h> #include <linux/if_bridge.h> diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c index 253732382d3..2720178b771 100644 --- a/fs/ecryptfs/super.c +++ b/fs/ecryptfs/super.c @@ -28,7 +28,6 @@ #include <linux/key.h> #include <linux/slab.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <linux/file.h> #include <linux/crypto.h> #include "ecryptfs_kernel.h" diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 2fedaf8b501..acf8695fa8f 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -27,7 +27,6 @@ #include <linux/init.h> #include <linux/blkdev.h> #include <linux/parser.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/exportfs.h> #include <linux/vfs.h> diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 8b5dd6369f8..6a5edea2d70 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -177,7 +177,7 @@ struct mpage_da_data { struct ext4_io_page { struct page *p_page; - int p_count; + atomic_t p_count; }; #define MAX_IO_PAGES 128 @@ -858,6 +858,7 @@ struct ext4_inode_info { spinlock_t i_completed_io_lock; /* current io_end structure for async DIO write*/ ext4_io_end_t *cur_aio_dio; + atomic_t i_ioend_count; /* Number of outstanding io_end structs */ /* * Transactions that contain inode's metadata needed to complete @@ -2060,6 +2061,7 @@ extern int ext4_move_extents(struct file *o_filp, struct file *d_filp, /* page-io.c */ extern int __init ext4_init_pageio(void); extern void ext4_exit_pageio(void); +extern void ext4_ioend_wait(struct inode *); extern void ext4_free_io_end(ext4_io_end_t *io); extern ext4_io_end_t *ext4_init_io_end(struct inode *inode, gfp_t flags); extern int ext4_end_io_nolock(ext4_io_end_t *io); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 19161647046..bdbe6990220 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -53,6 +53,7 @@ static inline int ext4_begin_ordered_truncate(struct inode *inode, loff_t new_size) { + trace_ext4_begin_ordered_truncate(inode, new_size); return jbd2_journal_begin_ordered_truncate( EXT4_SB(inode->i_sb)->s_journal, &EXT4_I(inode)->jinode, @@ -178,6 +179,7 @@ void ext4_evict_inode(struct inode *inode) handle_t *handle; int err; + trace_ext4_evict_inode(inode); if (inode->i_nlink) { truncate_inode_pages(&inode->i_data, 0); goto no_delete; @@ -5410,9 +5412,7 @@ int ext4_getattr(struct vfsmount *mnt, struct dentry *dentry, * will return the blocks that include the delayed allocation * blocks for this file. */ - spin_lock(&EXT4_I(inode)->i_block_reservation_lock); delalloc_blocks = EXT4_I(inode)->i_reserved_data_blocks; - spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); stat->blocks += (delalloc_blocks << inode->i_sb->s_blocksize_bits)>>9; return 0; @@ -5649,6 +5649,7 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode) int err, ret; might_sleep(); + trace_ext4_mark_inode_dirty(inode, _RET_IP_); err = ext4_reserve_inode_write(handle, inode, &iloc); if (ext4_handle_valid(handle) && EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize && diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index bf5ae883b1b..eb3bc2fe647 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -331,6 +331,30 @@ mext_out: return err; } + case FITRIM: + { + struct super_block *sb = inode->i_sb; + struct fstrim_range range; + int ret = 0; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + if (copy_from_user(&range, (struct fstrim_range *)arg, + sizeof(range))) + return -EFAULT; + + ret = ext4_trim_fs(sb, &range); + if (ret < 0) + return ret; + + if (copy_to_user((struct fstrim_range *)arg, &range, + sizeof(range))) + return -EFAULT; + + return 0; + } + default: return -ENOTTY; } diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index c58eba34724..5b4d4e3a4d5 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4640,8 +4640,6 @@ do_more: * with group lock held. generate_buddy look at * them with group lock_held */ - if (test_opt(sb, DISCARD)) - ext4_issue_discard(sb, block_group, bit, count); ext4_lock_group(sb, block_group); mb_clear_bits(bitmap_bh->b_data, bit, count); mb_free_blocks(inode, &e4b, bit, count); diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 46a7d6a9d97..beacce11ac5 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -32,8 +32,14 @@ static struct kmem_cache *io_page_cachep, *io_end_cachep; +#define WQ_HASH_SZ 37 +#define to_ioend_wq(v) (&ioend_wq[((unsigned long)v) % WQ_HASH_SZ]) +static wait_queue_head_t ioend_wq[WQ_HASH_SZ]; + int __init ext4_init_pageio(void) { + int i; + io_page_cachep = KMEM_CACHE(ext4_io_page, SLAB_RECLAIM_ACCOUNT); if (io_page_cachep == NULL) return -ENOMEM; @@ -42,6 +48,8 @@ int __init ext4_init_pageio(void) kmem_cache_destroy(io_page_cachep); return -ENOMEM; } + for (i = 0; i < WQ_HASH_SZ; i++) + init_waitqueue_head(&ioend_wq[i]); return 0; } @@ -52,24 +60,37 @@ void ext4_exit_pageio(void) kmem_cache_destroy(io_page_cachep); } +void ext4_ioend_wait(struct inode *inode) +{ + wait_queue_head_t *wq = to_ioend_wq(inode); + + wait_event(*wq, (atomic_read(&EXT4_I(inode)->i_ioend_count) == 0)); +} + +static void put_io_page(struct ext4_io_page *io_page) +{ + if (atomic_dec_and_test(&io_page->p_count)) { + end_page_writeback(io_page->p_page); + put_page(io_page->p_page); + kmem_cache_free(io_page_cachep, io_page); + } +} + void ext4_free_io_end(ext4_io_end_t *io) { int i; + wait_queue_head_t *wq; BUG_ON(!io); if (io->page) put_page(io->page); - for (i = 0; i < io->num_io_pages; i++) { - if (--io->pages[i]->p_count == 0) { - struct page *page = io->pages[i]->p_page; - - end_page_writeback(page); - put_page(page); - kmem_cache_free(io_page_cachep, io->pages[i]); - } - } + for (i = 0; i < io->num_io_pages; i++) + put_io_page(io->pages[i]); io->num_io_pages = 0; - iput(io->inode); + wq = to_ioend_wq(io->inode); + if (atomic_dec_and_test(&EXT4_I(io->inode)->i_ioend_count) && + waitqueue_active(wq)) + wake_up_all(wq); kmem_cache_free(io_end_cachep, io); } @@ -142,8 +163,8 @@ ext4_io_end_t *ext4_init_io_end(struct inode *inode, gfp_t flags) io = kmem_cache_alloc(io_end_cachep, flags); if (io) { memset(io, 0, sizeof(*io)); - io->inode = igrab(inode); - BUG_ON(!io->inode); + atomic_inc(&EXT4_I(inode)->i_ioend_count); + io->inode = inode; INIT_WORK(&io->work, ext4_end_io_work); INIT_LIST_HEAD(&io->list); } @@ -171,35 +192,15 @@ static void ext4_end_bio(struct bio *bio, int error) struct workqueue_struct *wq; struct inode *inode; unsigned long flags; - ext4_fsblk_t err_block; int i; BUG_ON(!io_end); - inode = io_end->inode; bio->bi_private = NULL; bio->bi_end_io = NULL; if (test_bit(BIO_UPTODATE, &bio->bi_flags)) error = 0; - err_block = bio->bi_sector >> (inode->i_blkbits - 9); bio_put(bio); - if (!(inode->i_sb->s_flags & MS_ACTIVE)) { - pr_err("sb umounted, discard end_io request for inode %lu\n", - io_end->inode->i_ino); - ext4_free_io_end(io_end); - return; - } - - if (error) { - io_end->flag |= EXT4_IO_END_ERROR; - ext4_warning(inode->i_sb, "I/O error writing to inode %lu " - "(offset %llu size %ld starting block %llu)", - inode->i_ino, - (unsigned long long) io_end->offset, - (long) io_end->size, - (unsigned long long) err_block); - } - for (i = 0; i < io_end->num_io_pages; i++) { struct page *page = io_end->pages[i]->p_page; struct buffer_head *bh, *head; @@ -236,14 +237,6 @@ static void ext4_end_bio(struct bio *bio, int error) } while (bh != head); } - if (--io_end->pages[i]->p_count == 0) { - struct page *page = io_end->pages[i]->p_page; - - end_page_writeback(page); - put_page(page); - kmem_cache_free(io_page_cachep, io_end->pages[i]); - } - /* * If this is a partial write which happened to make * all buffers uptodate then we can optimize away a @@ -253,9 +246,22 @@ static void ext4_end_bio(struct bio *bio, int error) */ if (!partial_write) SetPageUptodate(page); - } + put_io_page(io_end->pages[i]); + } io_end->num_io_pages = 0; + inode = io_end->inode; + + if (error) { + io_end->flag |= EXT4_IO_END_ERROR; + ext4_warning(inode->i_sb, "I/O error writing to inode %lu " + "(offset %llu size %ld starting block %llu)", + inode->i_ino, + (unsigned long long) io_end->offset, + (long) io_end->size, + (unsigned long long) + bio->bi_sector >> (inode->i_blkbits - 9)); + } /* Add the io_end to per-inode completed io list*/ spin_lock_irqsave(&EXT4_I(inode)->i_completed_io_lock, flags); @@ -305,7 +311,6 @@ static int io_submit_init(struct ext4_io_submit *io, bio->bi_private = io->io_end = io_end; bio->bi_end_io = ext4_end_bio; - io_end->inode = inode; io_end->offset = (page->index << PAGE_CACHE_SHIFT) + bh_offset(bh); io->io_bio = bio; @@ -360,7 +365,7 @@ submit_and_retry: if ((io_end->num_io_pages == 0) || (io_end->pages[io_end->num_io_pages-1] != io_page)) { io_end->pages[io_end->num_io_pages++] = io_page; - io_page->p_count++; + atomic_inc(&io_page->p_count); } return 0; } @@ -389,7 +394,7 @@ int ext4_bio_write_page(struct ext4_io_submit *io, return -ENOMEM; } io_page->p_page = page; - io_page->p_count = 0; + atomic_set(&io_page->p_count, 1); get_page(page); for (bh = head = page_buffers(page), block_start = 0; @@ -421,10 +426,6 @@ int ext4_bio_write_page(struct ext4_io_submit *io, * PageWriteback bit from the page to prevent the system from * wedging later on. */ - if (io_page->p_count == 0) { - put_page(page); - end_page_writeback(page); - kmem_cache_free(io_page_cachep, io_page); - } + put_io_page(io_page); return ret; } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 40131b777af..e32195d6aac 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -828,12 +828,22 @@ static struct inode *ext4_alloc_inode(struct super_block *sb) ei->cur_aio_dio = NULL; ei->i_sync_tid = 0; ei->i_datasync_tid = 0; + atomic_set(&ei->i_ioend_count, 0); return &ei->vfs_inode; } +static int ext4_drop_inode(struct inode *inode) +{ + int drop = generic_drop_inode(inode); + + trace_ext4_drop_inode(inode, drop); + return drop; +} + static void ext4_destroy_inode(struct inode *inode) { + ext4_ioend_wait(inode); if (!list_empty(&(EXT4_I(inode)->i_orphan))) { ext4_msg(inode->i_sb, KERN_ERR, "Inode %lu (%p): orphan list check failed!", @@ -1173,6 +1183,7 @@ static const struct super_operations ext4_sops = { .destroy_inode = ext4_destroy_inode, .write_inode = ext4_write_inode, .dirty_inode = ext4_dirty_inode, + .drop_inode = ext4_drop_inode, .evict_inode = ext4_evict_inode, .put_super = ext4_put_super, .sync_fs = ext4_sync_fs, @@ -1186,7 +1197,6 @@ static const struct super_operations ext4_sops = { .quota_write = ext4_quota_write, #endif .bdev_try_to_free_page = bdev_try_to_free_page, - .trim_fs = ext4_trim_fs }; static const struct super_operations ext4_nojournal_sops = { @@ -1194,6 +1204,7 @@ static const struct super_operations ext4_nojournal_sops = { .destroy_inode = ext4_destroy_inode, .write_inode = ext4_write_inode, .dirty_inode = ext4_dirty_inode, + .drop_inode = ext4_drop_inode, .evict_inode = ext4_evict_inode, .write_super = ext4_write_super, .put_super = ext4_put_super, @@ -2699,7 +2710,6 @@ static int ext4_lazyinit_thread(void *arg) struct ext4_li_request *elr; unsigned long next_wakeup; DEFINE_WAIT(wait); - int ret; BUG_ON(NULL == eli); @@ -2723,13 +2733,12 @@ cont_thread: elr = list_entry(pos, struct ext4_li_request, lr_request); - if (time_after_eq(jiffies, elr->lr_next_sched)) - ret = ext4_run_li_request(elr); - - if (ret) { - ret = 0; - ext4_remove_li_request(elr); - continue; + if (time_after_eq(jiffies, elr->lr_next_sched)) { + if (ext4_run_li_request(elr) != 0) { + /* error, remove the lazy_init job */ + ext4_remove_li_request(elr); + continue; + } } if (time_before(elr->lr_next_sched, next_wakeup)) @@ -2740,7 +2749,8 @@ cont_thread: if (freezing(current)) refrigerator(); - if (time_after_eq(jiffies, next_wakeup)) { + if ((time_after_eq(jiffies, next_wakeup)) || + (MAX_JIFFY_OFFSET == next_wakeup)) { cond_resched(); continue; } @@ -2788,9 +2798,6 @@ static void ext4_clear_request_list(void) struct ext4_li_request *elr; mutex_lock(&ext4_li_info->li_list_mtx); - if (list_empty(&ext4_li_info->li_request_list)) - return; - list_for_each_safe(pos, n, &ext4_li_info->li_request_list) { elr = list_entry(pos, struct ext4_li_request, lr_request); @@ -3257,13 +3264,14 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) * Test whether we have more sectors than will fit in sector_t, * and whether the max offset is addressable by the page cache. */ - ret = generic_check_addressable(sb->s_blocksize_bits, + err = generic_check_addressable(sb->s_blocksize_bits, ext4_blocks_count(es)); - if (ret) { + if (err) { ext4_msg(sb, KERN_ERR, "filesystem" " too large to mount safely on this system"); if (sizeof(sector_t) < 8) ext4_msg(sb, KERN_WARNING, "CONFIG_LBDAF not enabled"); + ret = err; goto failed_mount; } @@ -3348,6 +3356,24 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) get_random_bytes(&sbi->s_next_generation, sizeof(u32)); spin_lock_init(&sbi->s_next_gen_lock); + err = percpu_counter_init(&sbi->s_freeblocks_counter, + ext4_count_free_blocks(sb)); + if (!err) { + err = percpu_counter_init(&sbi->s_freeinodes_counter, + ext4_count_free_inodes(sb)); + } + if (!err) { + err = percpu_counter_init(&sbi->s_dirs_counter, + ext4_count_dirs(sb)); + } + if (!err) { + err = percpu_counter_init(&sbi->s_dirtyblocks_counter, 0); + } + if (err) { + ext4_msg(sb, KERN_ERR, "insufficient memory"); + goto failed_mount3; + } + sbi->s_stripe = ext4_get_stripe_size(sbi); sbi->s_max_writeback_mb_bump = 128; @@ -3446,22 +3472,19 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) } set_task_ioprio(sbi->s_journal->j_task, journal_ioprio); -no_journal: - err = percpu_counter_init(&sbi->s_freeblocks_counter, - ext4_count_free_blocks(sb)); - if (!err) - err = percpu_counter_init(&sbi->s_freeinodes_counter, - ext4_count_free_inodes(sb)); - if (!err) - err = percpu_counter_init(&sbi->s_dirs_counter, - ext4_count_dirs(sb)); - if (!err) - err = percpu_counter_init(&sbi->s_dirtyblocks_counter, 0); - if (err) { - ext4_msg(sb, KERN_ERR, "insufficient memory"); - goto failed_mount_wq; - } + /* + * The journal may have updated the bg summary counts, so we + * need to update the global counters. + */ + percpu_counter_set(&sbi->s_freeblocks_counter, + ext4_count_free_blocks(sb)); + percpu_counter_set(&sbi->s_freeinodes_counter, + ext4_count_free_inodes(sb)); + percpu_counter_set(&sbi->s_dirs_counter, + ext4_count_dirs(sb)); + percpu_counter_set(&sbi->s_dirtyblocks_counter, 0); +no_journal: EXT4_SB(sb)->dio_unwritten_wq = create_workqueue("ext4-dio-unwritten"); if (!EXT4_SB(sb)->dio_unwritten_wq) { printk(KERN_ERR "EXT4-fs: failed to create DIO workqueue\n"); @@ -3611,10 +3634,6 @@ failed_mount_wq: jbd2_journal_destroy(sbi->s_journal); sbi->s_journal = NULL; } - percpu_counter_destroy(&sbi->s_freeblocks_counter); - percpu_counter_destroy(&sbi->s_freeinodes_counter); - percpu_counter_destroy(&sbi->s_dirs_counter); - percpu_counter_destroy(&sbi->s_dirtyblocks_counter); failed_mount3: if (sbi->s_flex_groups) { if (is_vmalloc_addr(sbi->s_flex_groups)) @@ -3622,6 +3641,10 @@ failed_mount3: else kfree(sbi->s_flex_groups); } + percpu_counter_destroy(&sbi->s_freeblocks_counter); + percpu_counter_destroy(&sbi->s_freeinodes_counter); + percpu_counter_destroy(&sbi->s_dirs_counter); + percpu_counter_destroy(&sbi->s_dirtyblocks_counter); failed_mount2: for (i = 0; i < db_count; i++) brelse(sbi->s_group_desc[i]); @@ -3949,13 +3972,11 @@ static int ext4_commit_super(struct super_block *sb, int sync) else es->s_kbytes_written = cpu_to_le64(EXT4_SB(sb)->s_kbytes_written); - if (percpu_counter_initialized(&EXT4_SB(sb)->s_freeblocks_counter)) - ext4_free_blocks_count_set(es, percpu_counter_sum_positive( - &EXT4_SB(sb)->s_freeblocks_counter)); - if (percpu_counter_initialized(&EXT4_SB(sb)->s_freeinodes_counter)) - es->s_free_inodes_count = - cpu_to_le32(percpu_counter_sum_positive( - &EXT4_SB(sb)->s_freeinodes_counter)); + ext4_free_blocks_count_set(es, percpu_counter_sum_positive( + &EXT4_SB(sb)->s_freeblocks_counter)); + es->s_free_inodes_count = + cpu_to_le32(percpu_counter_sum_positive( + &EXT4_SB(sb)->s_freeinodes_counter)); sb->s_dirt = 0; BUFFER_TRACE(sbh, "marking dirty"); mark_buffer_dirty(sbh); @@ -4556,12 +4577,10 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id, static int ext4_quota_off(struct super_block *sb, int type) { - /* Force all delayed allocation blocks to be allocated */ - if (test_opt(sb, DELALLOC)) { - down_read(&sb->s_umount); + /* Force all delayed allocation blocks to be allocated. + * Caller already holds s_umount sem */ + if (test_opt(sb, DELALLOC)) sync_filesystem(sb); - up_read(&sb->s_umount); - } return dquot_quota_off(sb, type); } diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c index 06d582732d3..5ab3839dfcb 100644 --- a/fs/gfs2/export.c +++ b/fs/gfs2/export.c @@ -138,10 +138,8 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb, struct gfs2_inum_host *inum) { struct gfs2_sbd *sdp = sb->s_fs_info; - struct gfs2_holder i_gh; struct inode *inode; struct dentry *dentry; - int error; inode = gfs2_ilookup(sb, inum->no_addr); if (inode) { @@ -152,52 +150,16 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb, goto out_inode; } - error = gfs2_glock_nq_num(sdp, inum->no_addr, &gfs2_inode_glops, - LM_ST_SHARED, LM_FLAG_ANY, &i_gh); - if (error) - return ERR_PTR(error); - - error = gfs2_check_blk_type(sdp, inum->no_addr, GFS2_BLKST_DINODE); - if (error) - goto fail; - - inode = gfs2_inode_lookup(sb, DT_UNKNOWN, inum->no_addr, 0); - if (IS_ERR(inode)) { - error = PTR_ERR(inode); - goto fail; - } - - error = gfs2_inode_refresh(GFS2_I(inode)); - if (error) { - iput(inode); - goto fail; - } - - /* Pick up the works we bypass in gfs2_inode_lookup */ - if (inode->i_state & I_NEW) - gfs2_set_iop(inode); - - if (GFS2_I(inode)->i_no_formal_ino != inum->no_formal_ino) { - iput(inode); - goto fail; - } - - error = -EIO; - if (GFS2_I(inode)->i_diskflags & GFS2_DIF_SYSTEM) { - iput(inode); - goto fail; - } - - gfs2_glock_dq_uninit(&i_gh); + inode = gfs2_lookup_by_inum(sdp, inum->no_addr, &inum->no_formal_ino, + GFS2_BLKST_DINODE); + if (IS_ERR(inode)) + return ERR_CAST(inode); out_inode: dentry = d_obtain_alias(inode); if (!IS_ERR(dentry)) dentry->d_op = &gfs2_dops; return dentry; -fail: - gfs2_glock_dq_uninit(&i_gh); - return ERR_PTR(error); } static struct dentry *gfs2_fh_to_dentry(struct super_block *sb, struct fid *fid, diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 87778857f09..f92c1770416 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -686,21 +686,20 @@ static void delete_work_func(struct work_struct *work) { struct gfs2_glock *gl = container_of(work, struct gfs2_glock, gl_delete); struct gfs2_sbd *sdp = gl->gl_sbd; - struct gfs2_inode *ip = NULL; + struct gfs2_inode *ip; struct inode *inode; - u64 no_addr = 0; + u64 no_addr = gl->gl_name.ln_number; + + ip = gl->gl_object; + /* Note: Unsafe to dereference ip as we don't hold right refs/locks */ - spin_lock(&gl->gl_spin); - ip = (struct gfs2_inode *)gl->gl_object; if (ip) - no_addr = ip->i_no_addr; - spin_unlock(&gl->gl_spin); - if (ip) { inode = gfs2_ilookup(sdp->sd_vfs, no_addr); - if (inode) { - d_prune_aliases(inode); - iput(inode); - } + else + inode = gfs2_lookup_by_inum(sdp, no_addr, NULL, GFS2_BLKST_UNLINKED); + if (inode && !IS_ERR(inode)) { + d_prune_aliases(inode); + iput(inode); } gfs2_glock_put(gl); } diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 06370f8bd8c..e1213f7f921 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -73,49 +73,6 @@ static struct inode *gfs2_iget(struct super_block *sb, u64 no_addr) return iget5_locked(sb, hash, iget_test, iget_set, &no_addr); } -struct gfs2_skip_data { - u64 no_addr; - int skipped; -}; - -static int iget_skip_test(struct inode *inode, void *opaque) -{ - struct gfs2_inode *ip = GFS2_I(inode); - struct gfs2_skip_data *data = opaque; - - if (ip->i_no_addr == data->no_addr) { - if (inode->i_state & (I_FREEING|I_WILL_FREE)){ - data->skipped = 1; - return 0; - } - return 1; - } - return 0; -} - -static int iget_skip_set(struct inode *inode, void *opaque) -{ - struct gfs2_inode *ip = GFS2_I(inode); - struct gfs2_skip_data *data = opaque; - - if (data->skipped) - return 1; - inode->i_ino = (unsigned long)(data->no_addr); - ip->i_no_addr = data->no_addr; - return 0; -} - -static struct inode *gfs2_iget_skip(struct super_block *sb, - u64 no_addr) -{ - struct gfs2_skip_data data; - unsigned long hash = (unsigned long)no_addr; - - data.no_addr = no_addr; - data.skipped = 0; - return iget5_locked(sb, hash, iget_skip_test, iget_skip_set, &data); -} - /** * GFS2 lookup code fills in vfs inode contents based on info obtained * from directory entry inside gfs2_inode_lookup(). This has caused issues @@ -243,93 +200,54 @@ fail: return ERR_PTR(error); } -/** - * gfs2_process_unlinked_inode - Lookup an unlinked inode for reclamation - * and try to reclaim it by doing iput. - * - * This function assumes no rgrp locks are currently held. - * - * @sb: The super block - * no_addr: The inode number - * - */ - -void gfs2_process_unlinked_inode(struct super_block *sb, u64 no_addr) +struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr, + u64 *no_formal_ino, unsigned int blktype) { - struct gfs2_sbd *sdp; - struct gfs2_inode *ip; - struct gfs2_glock *io_gl = NULL; - int error; - struct gfs2_holder gh; + struct super_block *sb = sdp->sd_vfs; + struct gfs2_holder i_gh; struct inode *inode; + int error; - inode = gfs2_iget_skip(sb, no_addr); - - if (!inode) - return; - - /* If it's not a new inode, someone's using it, so leave it alone. */ - if (!(inode->i_state & I_NEW)) { - iput(inode); - return; - } - - ip = GFS2_I(inode); - sdp = GFS2_SB(inode); - ip->i_no_formal_ino = -1; + error = gfs2_glock_nq_num(sdp, no_addr, &gfs2_inode_glops, + LM_ST_SHARED, LM_FLAG_ANY, &i_gh); + if (error) + return ERR_PTR(error); - error = gfs2_glock_get(sdp, no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl); - if (unlikely(error)) + error = gfs2_check_blk_type(sdp, no_addr, blktype); + if (error) goto fail; - ip->i_gl->gl_object = ip; - error = gfs2_glock_get(sdp, no_addr, &gfs2_iopen_glops, CREATE, &io_gl); - if (unlikely(error)) - goto fail_put; - - set_bit(GIF_INVALID, &ip->i_flags); - error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, LM_FLAG_TRY | GL_EXACT, - &ip->i_iopen_gh); - if (unlikely(error)) - goto fail_iopen; + inode = gfs2_inode_lookup(sb, DT_UNKNOWN, no_addr, 0); + if (IS_ERR(inode)) + goto fail; - ip->i_iopen_gh.gh_gl->gl_object = ip; - gfs2_glock_put(io_gl); - io_gl = NULL; + error = gfs2_inode_refresh(GFS2_I(inode)); + if (error) + goto fail_iput; - inode->i_mode = DT2IF(DT_UNKNOWN); + /* Pick up the works we bypass in gfs2_inode_lookup */ + if (inode->i_state & I_NEW) + gfs2_set_iop(inode); - /* - * We must read the inode in order to work out its type in - * this case. Note that this doesn't happen often as we normally - * know the type beforehand. This code path only occurs during - * unlinked inode recovery (where it is safe to do this glock, - * which is not true in the general case). - */ - error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, LM_FLAG_TRY, - &gh); - if (unlikely(error)) - goto fail_glock; + /* Two extra checks for NFS only */ + if (no_formal_ino) { + error = -ESTALE; + if (GFS2_I(inode)->i_no_formal_ino != *no_formal_ino) + goto fail_iput; - /* Inode is now uptodate */ - gfs2_glock_dq_uninit(&gh); - gfs2_set_iop(inode); + error = -EIO; + if (GFS2_I(inode)->i_diskflags & GFS2_DIF_SYSTEM) + goto fail_iput; - /* The iput will cause it to be deleted. */ - iput(inode); - return; + error = 0; + } -fail_glock: - gfs2_glock_dq(&ip->i_iopen_gh); -fail_iopen: - if (io_gl) - gfs2_glock_put(io_gl); -fail_put: - ip->i_gl->gl_object = NULL; - gfs2_glock_put(ip->i_gl); fail: - iget_failed(inode); - return; + gfs2_glock_dq_uninit(&i_gh); + return error ? ERR_PTR(error) : inode; +fail_iput: + iput(inode); + goto fail; } static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h index 6720d7d5fbc..d8499fadcc5 100644 --- a/fs/gfs2/inode.h +++ b/fs/gfs2/inode.h @@ -99,7 +99,9 @@ err: extern void gfs2_set_iop(struct inode *inode); extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type, u64 no_addr, u64 no_formal_ino); -extern void gfs2_process_unlinked_inode(struct super_block *sb, u64 no_addr); +extern struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr, + u64 *no_formal_ino, + unsigned int blktype); extern struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr); extern int gfs2_inode_refresh(struct gfs2_inode *ip); diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index bef3ab6cf5c..33c8407b876 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -963,17 +963,18 @@ static int try_rgrp_fit(struct gfs2_rgrpd *rgd, struct gfs2_alloc *al) * The inode, if one has been found, in inode. */ -static u64 try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, - u64 skip) +static void try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, u64 skip) { u32 goal = 0, block; u64 no_addr; struct gfs2_sbd *sdp = rgd->rd_sbd; unsigned int n; + struct gfs2_glock *gl; + struct gfs2_inode *ip; + int error; + int found = 0; - for(;;) { - if (goal >= rgd->rd_data) - break; + while (goal < rgd->rd_data) { down_write(&sdp->sd_log_flush_lock); n = 1; block = rgblk_search(rgd, goal, GFS2_BLKST_UNLINKED, @@ -990,11 +991,32 @@ static u64 try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, if (no_addr == skip) continue; *last_unlinked = no_addr; - return no_addr; + + error = gfs2_glock_get(sdp, no_addr, &gfs2_inode_glops, CREATE, &gl); + if (error) + continue; + + /* If the inode is already in cache, we can ignore it here + * because the existing inode disposal code will deal with + * it when all refs have gone away. Accessing gl_object like + * this is not safe in general. Here it is ok because we do + * not dereference the pointer, and we only need an approx + * answer to whether it is NULL or not. + */ + ip = gl->gl_object; + + if (ip || queue_work(gfs2_delete_workqueue, &gl->gl_delete) == 0) + gfs2_glock_put(gl); + else + found++; + + /* Limit reclaim to sensible number of tasks */ + if (found > 2*NR_CPUS) + return; } rgd->rd_flags &= ~GFS2_RDF_CHECK; - return 0; + return; } /** @@ -1075,11 +1097,9 @@ static void forward_rgrp_set(struct gfs2_sbd *sdp, struct gfs2_rgrpd *rgd) * Try to acquire rgrp in way which avoids contending with others. * * Returns: errno - * unlinked: the block address of an unlinked block to be reclaimed */ -static int get_local_rgrp(struct gfs2_inode *ip, u64 *unlinked, - u64 *last_unlinked) +static int get_local_rgrp(struct gfs2_inode *ip, u64 *last_unlinked) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct gfs2_rgrpd *rgd, *begin = NULL; @@ -1089,7 +1109,6 @@ static int get_local_rgrp(struct gfs2_inode *ip, u64 *unlinked, int loops = 0; int error, rg_locked; - *unlinked = 0; rgd = gfs2_blk2rgrpd(sdp, ip->i_goal); while (rgd) { @@ -1106,17 +1125,10 @@ static int get_local_rgrp(struct gfs2_inode *ip, u64 *unlinked, case 0: if (try_rgrp_fit(rgd, al)) goto out; - /* If the rg came in already locked, there's no - way we can recover from a failed try_rgrp_unlink - because that would require an iput which can only - happen after the rgrp is unlocked. */ - if (!rg_locked && rgd->rd_flags & GFS2_RDF_CHECK) - *unlinked = try_rgrp_unlink(rgd, last_unlinked, - ip->i_no_addr); + if (rgd->rd_flags & GFS2_RDF_CHECK) + try_rgrp_unlink(rgd, last_unlinked, ip->i_no_addr); if (!rg_locked) gfs2_glock_dq_uninit(&al->al_rgd_gh); - if (*unlinked) - return -EAGAIN; /* fall through */ case GLR_TRYFAILED: rgd = recent_rgrp_next(rgd); @@ -1145,13 +1157,10 @@ static int get_local_rgrp(struct gfs2_inode *ip, u64 *unlinked, case 0: if (try_rgrp_fit(rgd, al)) goto out; - if (!rg_locked && rgd->rd_flags & GFS2_RDF_CHECK) - *unlinked = try_rgrp_unlink(rgd, last_unlinked, - ip->i_no_addr); + if (rgd->rd_flags & GFS2_RDF_CHECK) + try_rgrp_unlink(rgd, last_unlinked, ip->i_no_addr); if (!rg_locked) gfs2_glock_dq_uninit(&al->al_rgd_gh); - if (*unlinked) - return -EAGAIN; break; case GLR_TRYFAILED: @@ -1204,12 +1213,12 @@ int gfs2_inplace_reserve_i(struct gfs2_inode *ip, int hold_rindex, struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct gfs2_alloc *al = ip->i_alloc; int error = 0; - u64 last_unlinked = NO_BLOCK, unlinked; + u64 last_unlinked = NO_BLOCK; + int tries = 0; if (gfs2_assert_warn(sdp, al->al_requested)) return -EINVAL; -try_again: if (hold_rindex) { /* We need to hold the rindex unless the inode we're using is the rindex itself, in which case it's already held. */ @@ -1218,31 +1227,23 @@ try_again: else if (!sdp->sd_rgrps) /* We may not have the rindex read in, so: */ error = gfs2_ri_update_special(ip); + if (error) + return error; } - if (error) - return error; + do { + error = get_local_rgrp(ip, &last_unlinked); + /* If there is no space, flushing the log may release some */ + if (error) + gfs2_log_flush(sdp, NULL); + } while (error && tries++ < 3); - /* Find an rgrp suitable for allocation. If it encounters any unlinked - dinodes along the way, error will equal -EAGAIN and unlinked will - contains it block address. We then need to look up that inode and - try to free it, and try the allocation again. */ - error = get_local_rgrp(ip, &unlinked, &last_unlinked); if (error) { if (hold_rindex && ip != GFS2_I(sdp->sd_rindex)) gfs2_glock_dq_uninit(&al->al_ri_gh); - if (error != -EAGAIN) - return error; - - gfs2_process_unlinked_inode(ip->i_inode.i_sb, unlinked); - /* regardless of whether or not gfs2_process_unlinked_inode - was successful, we don't want to repeat it again. */ - last_unlinked = unlinked; - gfs2_log_flush(sdp, NULL); - error = 0; - - goto try_again; + return error; } + /* no error, so we have the rgrp set in the inode's allocation. */ al->al_file = file; al->al_line = line; diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index d6cfac1f0a4..a5fe68189ee 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -932,8 +932,7 @@ struct file *hugetlb_file_setup(const char *name, size_t size, int acctflag, if (creat_flags == HUGETLB_SHMFS_INODE && !can_do_hugetlb_shm()) { *user = current_user(); if (user_shm_lock(size, *user)) { - WARN_ONCE(1, - "Using mlock ulimits for SHM_HUGETLB deprecated\n"); + printk_once(KERN_WARNING "Using mlock ulimits for SHM_HUGETLB is deprecated\n"); } else { *user = NULL; return ERR_PTR(-EPERM); diff --git a/fs/ioctl.c b/fs/ioctl.c index e92fdbb3bc3..d6cc1647662 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -6,7 +6,6 @@ #include <linux/syscalls.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/capability.h> #include <linux/file.h> #include <linux/fs.h> @@ -530,41 +529,6 @@ static int ioctl_fsthaw(struct file *filp) return thaw_super(sb); } -static int ioctl_fstrim(struct file *filp, void __user *argp) -{ - struct super_block *sb = filp->f_path.dentry->d_inode->i_sb; - struct fstrim_range range; - int ret = 0; - - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - - /* If filesystem doesn't support trim feature, return. */ - if (sb->s_op->trim_fs == NULL) - return -EOPNOTSUPP; - - /* If a blockdevice-backed filesystem isn't specified, return EINVAL. */ - if (sb->s_bdev == NULL) - return -EINVAL; - - if (argp == NULL) { - range.start = 0; - range.len = ULLONG_MAX; - range.minlen = 0; - } else if (copy_from_user(&range, argp, sizeof(range))) - return -EFAULT; - - ret = sb->s_op->trim_fs(sb, &range); - if (ret < 0) - return ret; - - if ((argp != NULL) && - (copy_to_user(argp, &range, sizeof(range)))) - return -EFAULT; - - return 0; -} - /* * When you add any new common ioctls to the switches above and below * please update compat_sys_ioctl() too. @@ -615,10 +579,6 @@ int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd, error = ioctl_fsthaw(filp); break; - case FITRIM: - error = ioctl_fstrim(filp, argp); - break; - case FS_IOC_FIEMAP: return ioctl_fiemap(filp, arg); diff --git a/fs/ioprio.c b/fs/ioprio.c index 748cfb92dcc..2f7d05c8992 100644 --- a/fs/ioprio.c +++ b/fs/ioprio.c @@ -111,12 +111,14 @@ SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio) read_lock(&tasklist_lock); switch (which) { case IOPRIO_WHO_PROCESS: + rcu_read_lock(); if (!who) p = current; else p = find_task_by_vpid(who); if (p) ret = set_task_ioprio(p, ioprio); + rcu_read_unlock(); break; case IOPRIO_WHO_PGRP: if (!who) @@ -139,7 +141,12 @@ SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio) break; do_each_thread(g, p) { - if (__task_cred(p)->uid != who) + int match; + + rcu_read_lock(); + match = __task_cred(p)->uid == who; + rcu_read_unlock(); + if (!match) continue; ret = set_task_ioprio(p, ioprio); if (ret) @@ -200,12 +207,14 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who) read_lock(&tasklist_lock); switch (which) { case IOPRIO_WHO_PROCESS: + rcu_read_lock(); if (!who) p = current; else p = find_task_by_vpid(who); if (p) ret = get_task_ioprio(p); + rcu_read_unlock(); break; case IOPRIO_WHO_PGRP: if (!who) @@ -232,7 +241,12 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who) break; do_each_thread(g, p) { - if (__task_cred(p)->uid != user->uid) + int match; + + rcu_read_lock(); + match = __task_cred(p)->uid == user->uid; + rcu_read_unlock(); + if (!match) continue; tmpio = get_task_ioprio(p); if (tmpio < 0) diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index c590d155c09..f837ba95352 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -899,6 +899,14 @@ journal_t * jbd2_journal_init_dev(struct block_device *bdev, /* journal descriptor can store up to n blocks -bzzz */ journal->j_blocksize = blocksize; + journal->j_dev = bdev; + journal->j_fs_dev = fs_dev; + journal->j_blk_offset = start; + journal->j_maxlen = len; + bdevname(journal->j_dev, journal->j_devname); + p = journal->j_devname; + while ((p = strchr(p, '/'))) + *p = '!'; jbd2_stats_proc_init(journal); n = journal->j_blocksize / sizeof(journal_block_tag_t); journal->j_wbufsize = n; @@ -908,14 +916,6 @@ journal_t * jbd2_journal_init_dev(struct block_device *bdev, __func__); goto out_err; } - journal->j_dev = bdev; - journal->j_fs_dev = fs_dev; - journal->j_blk_offset = start; - journal->j_maxlen = len; - bdevname(journal->j_dev, journal->j_devname); - p = journal->j_devname; - while ((p = strchr(p, '/'))) - *p = '!'; bh = __getblk(journal->j_dev, start, journal->j_blocksize); if (!bh) { diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c index d5bb86866e6..25509eb28fd 100644 --- a/fs/lockd/clntlock.c +++ b/fs/lockd/clntlock.c @@ -14,7 +14,6 @@ #include <linux/sunrpc/clnt.h> #include <linux/sunrpc/svc.h> #include <linux/lockd/lockd.h> -#include <linux/smp_lock.h> #include <linux/kthread.h> #define NLMDBG_FACILITY NLMDBG_CLIENT diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index 47ea1e1925b..332c54cf75e 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -7,7 +7,6 @@ */ #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/types.h> #include <linux/errno.h> diff --git a/fs/lockd/host.c b/fs/lockd/host.c index 25e21e4023b..ed0c59fe23c 100644 --- a/fs/lockd/host.c +++ b/fs/lockd/host.c @@ -124,7 +124,7 @@ static struct nlm_host *nlm_lookup_host(struct nlm_lookup_host_info *ni) continue; if (host->h_server != ni->server) continue; - if (ni->server && + if (ni->server && ni->src_len != 0 && !rpc_cmp_addr(nlm_srcaddr(host), ni->src_sap)) continue; @@ -167,6 +167,7 @@ static struct nlm_host *nlm_lookup_host(struct nlm_lookup_host_info *ni) host->h_addrlen = ni->salen; rpc_set_port(nlm_addr(host), 0); memcpy(nlm_srcaddr(host), ni->src_sap, ni->src_len); + host->h_srcaddrlen = ni->src_len; host->h_version = ni->version; host->h_proto = ni->protocol; host->h_rpcclnt = NULL; @@ -238,9 +239,6 @@ struct nlm_host *nlmclnt_lookup_host(const struct sockaddr *sap, const char *hostname, int noresvport) { - const struct sockaddr source = { - .sa_family = AF_UNSPEC, - }; struct nlm_lookup_host_info ni = { .server = 0, .sap = sap, @@ -249,8 +247,6 @@ struct nlm_host *nlmclnt_lookup_host(const struct sockaddr *sap, .version = version, .hostname = hostname, .hostname_len = strlen(hostname), - .src_sap = &source, - .src_len = sizeof(source), .noresvport = noresvport, }; @@ -357,7 +353,6 @@ nlm_bind_host(struct nlm_host *host) .protocol = host->h_proto, .address = nlm_addr(host), .addrsize = host->h_addrlen, - .saddress = nlm_srcaddr(host), .timeout = &timeparms, .servername = host->h_name, .program = &nlm_program, @@ -376,6 +371,8 @@ nlm_bind_host(struct nlm_host *host) args.flags |= RPC_CLNT_CREATE_HARDRTRY; if (host->h_noresvport) args.flags |= RPC_CLNT_CREATE_NONPRIVPORT; + if (host->h_srcaddrlen) + args.saddress = nlm_srcaddr(host); clnt = rpc_create(&args); if (!IS_ERR(clnt)) diff --git a/fs/lockd/svc4proc.c b/fs/lockd/svc4proc.c index a336e832475..38d26119245 100644 --- a/fs/lockd/svc4proc.c +++ b/fs/lockd/svc4proc.c @@ -9,7 +9,6 @@ #include <linux/types.h> #include <linux/time.h> -#include <linux/smp_lock.h> #include <linux/lockd/lockd.h> #include <linux/lockd/share.h> diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c index c462d346acb..ef5659b211e 100644 --- a/fs/lockd/svclock.c +++ b/fs/lockd/svclock.c @@ -25,7 +25,6 @@ #include <linux/errno.h> #include <linux/kernel.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/sunrpc/clnt.h> #include <linux/sunrpc/svc.h> #include <linux/lockd/nlm.h> diff --git a/fs/lockd/svcproc.c b/fs/lockd/svcproc.c index c3069f38d60..0caea5310ac 100644 --- a/fs/lockd/svcproc.c +++ b/fs/lockd/svcproc.c @@ -9,7 +9,6 @@ #include <linux/types.h> #include <linux/time.h> -#include <linux/smp_lock.h> #include <linux/lockd/lockd.h> #include <linux/lockd/share.h> diff --git a/fs/locks.c b/fs/locks.c index 65765cb6afe..8729347bcd1 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -122,7 +122,6 @@ #include <linux/module.h> #include <linux/security.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/time.h> #include <linux/rcupdate.h> @@ -1504,9 +1503,8 @@ static int do_fcntl_delete_lease(struct file *filp) static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg) { - struct file_lock *fl; + struct file_lock *fl, *ret; struct fasync_struct *new; - struct inode *inode = filp->f_path.dentry->d_inode; int error; fl = lease_alloc(filp, arg); @@ -1518,13 +1516,16 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg) locks_free_lock(fl); return -ENOMEM; } + ret = fl; lock_flocks(); - error = __vfs_setlease(filp, arg, &fl); + error = __vfs_setlease(filp, arg, &ret); if (error) { unlock_flocks(); locks_free_lock(fl); goto out_free_fasync; } + if (ret != fl) + locks_free_lock(fl); /* * fasync_insert_entry() returns the old entry if any. @@ -1532,17 +1533,10 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg) * inserted it into the fasync list. Clear new so that * we don't release it here. */ - if (!fasync_insert_entry(fd, filp, &fl->fl_fasync, new)) + if (!fasync_insert_entry(fd, filp, &ret->fl_fasync, new)) new = NULL; - if (error < 0) { - /* remove lease just inserted by setlease */ - fl->fl_type = F_UNLCK | F_INPROGRESS; - fl->fl_break_time = jiffies - 10; - time_out_leases(inode); - } else { - error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0); - } + error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0); unlock_flocks(); out_free_fasync: diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h index cd51a36b37f..57afd4a6fab 100644 --- a/fs/logfs/logfs.h +++ b/fs/logfs/logfs.h @@ -486,7 +486,7 @@ static inline int logfs_get_sb_bdev(struct logfs_super *s, /* dev_mtd.c */ #ifdef CONFIG_MTD -int logfs_get_sb_mtd(struct logfs_super *s, int mtdnr) +int logfs_get_sb_mtd(struct logfs_super *s, int mtdnr); #else static inline int logfs_get_sb_mtd(struct logfs_super *s, int mtdnr) { diff --git a/fs/namespace.c b/fs/namespace.c index 8a415c9c5e5..3dbfc072ec7 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/percpu.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/acct.h> diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c index aac8832e919..f22b12e7d33 100644 --- a/fs/ncpfs/dir.c +++ b/fs/ncpfs/dir.c @@ -19,7 +19,6 @@ #include <linux/mm.h> #include <asm/uaccess.h> #include <asm/byteorder.h> -#include <linux/smp_lock.h> #include <linux/ncp_fs.h> diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c index 6c754f70c52..cb50aaf981d 100644 --- a/fs/ncpfs/file.c +++ b/fs/ncpfs/file.c @@ -17,7 +17,6 @@ #include <linux/mm.h> #include <linux/vmalloc.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/ncp_fs.h> #include "ncplib_kernel.h" diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c index d290545aa0c..8fb93b604e7 100644 --- a/fs/ncpfs/inode.c +++ b/fs/ncpfs/inode.c @@ -26,7 +26,6 @@ #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/vfs.h> #include <linux/mount.h> #include <linux/seq_file.h> diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c index c2a1f9a155c..d40a547e337 100644 --- a/fs/ncpfs/ioctl.c +++ b/fs/ncpfs/ioctl.c @@ -17,7 +17,6 @@ #include <linux/mount.h> #include <linux/slab.h> #include <linux/highuid.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/sched.h> diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index aeec017fe81..93a8b3bd69e 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -9,7 +9,6 @@ #include <linux/completion.h> #include <linux/ip.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/sunrpc/svc.h> #include <linux/sunrpc/svcsock.h> #include <linux/nfs_fs.h> diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 232a7eead33..1fd62fc49be 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -11,7 +11,6 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/nfs4.h> diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 07ac3847e56..662df2a5fad 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -34,6 +34,7 @@ #include <linux/mount.h> #include <linux/sched.h> #include <linux/vmalloc.h> +#include <linux/kmemleak.h> #include "delegation.h" #include "iostat.h" @@ -194,9 +195,13 @@ typedef struct { static struct nfs_cache_array *nfs_readdir_get_array(struct page *page) { + void *ptr; if (page == NULL) return ERR_PTR(-EIO); - return (struct nfs_cache_array *)kmap(page); + ptr = kmap(page); + if (ptr == NULL) + return ERR_PTR(-ENOMEM); + return ptr; } static @@ -213,6 +218,9 @@ int nfs_readdir_clear_array(struct page *page, gfp_t mask) { struct nfs_cache_array *array = nfs_readdir_get_array(page); int i; + + if (IS_ERR(array)) + return PTR_ERR(array); for (i = 0; i < array->size; i++) kfree(array->array[i].string.name); nfs_readdir_release_array(page); @@ -231,6 +239,11 @@ int nfs_readdir_make_qstr(struct qstr *string, const char *name, unsigned int le string->name = kmemdup(name, len, GFP_KERNEL); if (string->name == NULL) return -ENOMEM; + /* + * Avoid a kmemleak false positive. The pointer to the name is stored + * in a page cache page which kmemleak does not scan. + */ + kmemleak_not_leak(string->name); string->hash = full_name_hash(name, len); return 0; } @@ -244,7 +257,7 @@ int nfs_readdir_add_to_array(struct nfs_entry *entry, struct page *page) if (IS_ERR(array)) return PTR_ERR(array); - ret = -EIO; + ret = -ENOSPC; if (array->size >= MAX_READDIR_ARRAY) goto out; @@ -255,9 +268,9 @@ int nfs_readdir_add_to_array(struct nfs_entry *entry, struct page *page) if (ret) goto out; array->last_cookie = entry->cookie; + array->size++; if (entry->eof == 1) array->eof_index = array->size; - array->size++; out: nfs_readdir_release_array(page); return ret; @@ -272,7 +285,7 @@ int nfs_readdir_search_for_pos(struct nfs_cache_array *array, nfs_readdir_descri if (diff < 0) goto out_eof; if (diff >= array->size) { - if (array->eof_index > 0) + if (array->eof_index >= 0) goto out_eof; desc->current_index += array->size; return -EAGAIN; @@ -281,8 +294,6 @@ int nfs_readdir_search_for_pos(struct nfs_cache_array *array, nfs_readdir_descri index = (unsigned int)diff; *desc->dir_cookie = array->array[index].cookie; desc->cache_entry_index = index; - if (index == array->eof_index) - desc->eof = 1; return 0; out_eof: desc->eof = 1; @@ -296,17 +307,17 @@ int nfs_readdir_search_for_cookie(struct nfs_cache_array *array, nfs_readdir_des int status = -EAGAIN; for (i = 0; i < array->size; i++) { - if (i == array->eof_index) { - desc->eof = 1; - status = -EBADCOOKIE; - } if (array->array[i].cookie == *desc->dir_cookie) { desc->cache_entry_index = i; status = 0; - break; + goto out; } } - + if (i == array->eof_index) { + desc->eof = 1; + status = -EBADCOOKIE; + } +out: return status; } @@ -449,7 +460,7 @@ out: /* Perform conversion from xdr to cache array */ static -void nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *entry, +int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *entry, void *xdr_page, struct page *page, unsigned int buflen) { struct xdr_stream stream; @@ -471,21 +482,29 @@ void nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *e do { status = xdr_decode(desc, entry, &stream); - if (status != 0) + if (status != 0) { + if (status == -EAGAIN) + status = 0; break; + } - if (nfs_readdir_add_to_array(entry, page) == -1) - break; if (desc->plus == 1) nfs_prime_dcache(desc->file->f_path.dentry, entry); + + status = nfs_readdir_add_to_array(entry, page); + if (status != 0) + break; } while (!entry->eof); if (status == -EBADCOOKIE && entry->eof) { array = nfs_readdir_get_array(page); - array->eof_index = array->size - 1; - status = 0; - nfs_readdir_release_array(page); + if (!IS_ERR(array)) { + array->eof_index = array->size; + status = 0; + nfs_readdir_release_array(page); + } } + return status; } static @@ -537,7 +556,7 @@ int nfs_readdir_xdr_to_array(nfs_readdir_descriptor_t *desc, struct page *page, struct nfs_entry entry; struct file *file = desc->file; struct nfs_cache_array *array; - int status = 0; + int status = -ENOMEM; unsigned int array_size = ARRAY_SIZE(pages); entry.prev_cookie = 0; @@ -549,6 +568,10 @@ int nfs_readdir_xdr_to_array(nfs_readdir_descriptor_t *desc, struct page *page, goto out; array = nfs_readdir_get_array(page); + if (IS_ERR(array)) { + status = PTR_ERR(array); + goto out; + } memset(array, 0, sizeof(struct nfs_cache_array)); array->eof_index = -1; @@ -556,12 +579,19 @@ int nfs_readdir_xdr_to_array(nfs_readdir_descriptor_t *desc, struct page *page, if (!pages_ptr) goto out_release_array; do { + unsigned int pglen; status = nfs_readdir_xdr_filler(pages, desc, &entry, file, inode); if (status < 0) break; - nfs_readdir_page_filler(desc, &entry, pages_ptr, page, array_size * PAGE_SIZE); - } while (array->eof_index < 0 && array->size < MAX_READDIR_ARRAY); + pglen = status; + status = nfs_readdir_page_filler(desc, &entry, pages_ptr, page, pglen); + if (status < 0) { + if (status == -ENOSPC) + status = 0; + break; + } + } while (array->eof_index < 0); nfs_readdir_free_large_page(pages_ptr, pages, array_size); out_release_array: @@ -582,8 +612,10 @@ static int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page* page) { struct inode *inode = desc->file->f_path.dentry->d_inode; + int ret; - if (nfs_readdir_xdr_to_array(desc, page, inode) < 0) + ret = nfs_readdir_xdr_to_array(desc, page, inode); + if (ret < 0) goto error; SetPageUptodate(page); @@ -595,7 +627,7 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page* page) return 0; error: unlock_page(page); - return -EIO; + return ret; } static @@ -608,12 +640,8 @@ void cache_page_release(nfs_readdir_descriptor_t *desc) static struct page *get_cache_page(nfs_readdir_descriptor_t *desc) { - struct page *page; - page = read_cache_page(desc->file->f_path.dentry->d_inode->i_mapping, + return read_cache_page(desc->file->f_path.dentry->d_inode->i_mapping, desc->page_index, (filler_t *)nfs_readdir_filler, desc); - if (IS_ERR(page)) - desc->eof = 1; - return page; } /* @@ -639,8 +667,10 @@ int find_cache_page(nfs_readdir_descriptor_t *desc) static inline int readdir_search_pagecache(nfs_readdir_descriptor_t *desc) { - int res = -EAGAIN; + int res; + if (desc->page_index == 0) + desc->current_index = 0; while (1) { res = find_cache_page(desc); if (res != -EAGAIN) @@ -670,6 +700,8 @@ int nfs_do_filldir(nfs_readdir_descriptor_t *desc, void *dirent, struct dentry *dentry = NULL; array = nfs_readdir_get_array(desc->page); + if (IS_ERR(array)) + return PTR_ERR(array); for (i = desc->cache_entry_index; i < array->size; i++) { d_type = DT_UNKNOWN; @@ -685,11 +717,9 @@ int nfs_do_filldir(nfs_readdir_descriptor_t *desc, void *dirent, *desc->dir_cookie = array->array[i+1].cookie; else *desc->dir_cookie = array->last_cookie; - if (i == array->eof_index) { - desc->eof = 1; - break; - } } + if (i == array->eof_index) + desc->eof = 1; nfs_readdir_release_array(desc->page); cache_page_release(desc); @@ -1345,12 +1375,12 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry res = NULL; goto out; /* This turned out not to be a regular file */ - case -EISDIR: case -ENOTDIR: goto no_open; case -ELOOP: if (!(nd->intent.open.flags & O_NOFOLLOW)) goto no_open; + /* case -EISDIR: */ /* case -EINVAL: */ default: res = ERR_CAST(inode); diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c index e6bf45710cc..2563f765c9b 100644 --- a/fs/nfs/nfs2xdr.c +++ b/fs/nfs/nfs2xdr.c @@ -423,7 +423,7 @@ nfs_xdr_readdirres(struct rpc_rqst *req, __be32 *p, void *dummy) struct page **page; size_t hdrlen; unsigned int pglen, recvd; - int status, nr = 0; + int status; if ((status = ntohl(*p++))) return nfs_stat_to_errno(status); @@ -443,7 +443,7 @@ nfs_xdr_readdirres(struct rpc_rqst *req, __be32 *p, void *dummy) if (pglen > recvd) pglen = recvd; page = rcvbuf->pages; - return nr; + return pglen; } static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index d9a5e832c25..748dc91a4a1 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -555,7 +555,7 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, __be32 *p, struct nfs3_readdirres *res struct page **page; size_t hdrlen; u32 recvd, pglen; - int status, nr = 0; + int status; status = ntohl(*p++); /* Decode post_op_attrs */ @@ -586,7 +586,7 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, __be32 *p, struct nfs3_readdirres *res pglen = recvd; page = rcvbuf->pages; - return nr; + return pglen; } __be32 * diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 0f24cdf2cb1..6a653ffd8e4 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2852,8 +2852,10 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, nfs4_setup_readdir(cookie, NFS_COOKIEVERF(dir), dentry, &args); res.pgbase = args.pgbase; status = nfs4_call_sync(NFS_SERVER(dir), &msg, &args, &res, 0); - if (status == 0) + if (status >= 0) { memcpy(NFS_COOKIEVERF(dir), res.verifier.data, NFS4_VERIFIER_SIZE); + status += args.pgbase; + } nfs_invalidate_atime(dir); diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index f313c4cce7e..b7a204ff6fe 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -4518,7 +4518,7 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n xdr_read_pages(xdr, pglen); - return 0; + return pglen; } static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 0a42e8f4adc..3c045044fca 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -39,7 +39,6 @@ #include <linux/nfs_mount.h> #include <linux/nfs4_mount.h> #include <linux/lockd/bind.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/mount.h> #include <linux/mnt_namespace.h> @@ -67,6 +66,12 @@ #define NFSDBG_FACILITY NFSDBG_VFS +#ifdef CONFIG_NFS_V3 +#define NFS_DEFAULT_VERSION 3 +#else +#define NFS_DEFAULT_VERSION 2 +#endif + enum { /* Mount options that take no arguments */ Opt_soft, Opt_hard, @@ -2277,7 +2282,7 @@ static int nfs_get_sb(struct file_system_type *fs_type, }; int error = -ENOMEM; - data = nfs_alloc_parsed_mount_data(3); + data = nfs_alloc_parsed_mount_data(NFS_DEFAULT_VERSION); mntfh = nfs_alloc_fhandle(); if (data == NULL || mntfh == NULL) goto out_free_fh; diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index f1e5ec6b510..116cab970e0 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -673,16 +673,17 @@ static void nfsd4_hash_conn(struct nfsd4_conn *conn, struct nfsd4_session *ses) spin_unlock(&clp->cl_lock); } -static void nfsd4_register_conn(struct nfsd4_conn *conn) +static int nfsd4_register_conn(struct nfsd4_conn *conn) { conn->cn_xpt_user.callback = nfsd4_conn_lost; - register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user); + return register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user); } static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses) { struct nfsd4_conn *conn; u32 flags = NFS4_CDFC4_FORE; + int ret; if (ses->se_flags & SESSION4_BACK_CHAN) flags |= NFS4_CDFC4_BACK; @@ -690,7 +691,10 @@ static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses) if (!conn) return nfserr_jukebox; nfsd4_hash_conn(conn, ses); - nfsd4_register_conn(conn); + ret = nfsd4_register_conn(conn); + if (ret) + /* oops; xprt is already down: */ + nfsd4_conn_lost(&conn->cn_xpt_user); return nfs_ok; } @@ -1644,6 +1648,7 @@ static void nfsd4_sequence_check_conn(struct nfsd4_conn *new, struct nfsd4_sessi { struct nfs4_client *clp = ses->se_client; struct nfsd4_conn *c; + int ret; spin_lock(&clp->cl_lock); c = __nfsd4_find_conn(new->cn_xprt, ses); @@ -1654,7 +1659,10 @@ static void nfsd4_sequence_check_conn(struct nfsd4_conn *new, struct nfsd4_sessi } __nfsd4_hash_conn(new, ses); spin_unlock(&clp->cl_lock); - nfsd4_register_conn(new); + ret = nfsd4_register_conn(new); + if (ret) + /* oops; xprt is already down: */ + nfsd4_conn_lost(&new->cn_xpt_user); return; } @@ -2254,7 +2262,7 @@ nfs4_file_downgrade(struct nfs4_file *fp, unsigned int share_access) * Spawn a thread to perform a recall on the delegation represented * by the lease (file_lock) * - * Called from break_lease() with lock_kernel() held. + * Called from break_lease() with lock_flocks() held. * Note: we assume break_lease will only call this *once* for any given * lease. */ @@ -2278,7 +2286,7 @@ void nfsd_break_deleg_cb(struct file_lock *fl) list_add_tail(&dp->dl_recall_lru, &del_recall_lru); spin_unlock(&recall_lock); - /* only place dl_time is set. protected by lock_kernel*/ + /* only place dl_time is set. protected by lock_flocks*/ dp->dl_time = get_seconds(); /* @@ -2295,7 +2303,7 @@ void nfsd_break_deleg_cb(struct file_lock *fl) /* * The file_lock is being reapd. * - * Called by locks_free_lock() with lock_kernel() held. + * Called by locks_free_lock() with lock_flocks() held. */ static void nfsd_release_deleg_cb(struct file_lock *fl) @@ -2310,7 +2318,7 @@ void nfsd_release_deleg_cb(struct file_lock *fl) } /* - * Called from setlease() with lock_kernel() held + * Called from setlease() with lock_flocks() held */ static int nfsd_same_client_deleg_cb(struct file_lock *onlist, struct file_lock *try) diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index d8408217e3b..1efea361558 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -159,7 +159,9 @@ struct ocfs2_lock_res { char l_name[OCFS2_LOCK_ID_MAX_LEN]; unsigned int l_ro_holders; unsigned int l_ex_holders; - unsigned char l_level; + char l_level; + char l_requested; + char l_blocking; /* Data packed - type enum ocfs2_lock_type */ unsigned char l_type; @@ -169,8 +171,6 @@ struct ocfs2_lock_res { unsigned char l_action; /* Data packed - enum type ocfs2_unlock_action */ unsigned char l_unlock_action; - unsigned char l_requested; - unsigned char l_blocking; unsigned int l_pending_gen; spinlock_t l_lock; diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index f02c0ef3157..cfeab7ce369 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -41,7 +41,6 @@ #include <linux/mount.h> #include <linux/seq_file.h> #include <linux/quotaops.h> -#include <linux/smp_lock.h> #define MLOG_MASK_PREFIX ML_SUPER #include <cluster/masklog.h> diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index ddb1f41376e..911e61f348f 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -418,7 +418,7 @@ out_no_root: static struct dentry *openprom_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data) { - return mount_single(fs_type, flags, data, openprom_fill_super) + return mount_single(fs_type, flags, data, openprom_fill_super); } static struct file_system_type openprom_fs_type = { diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 9c2b5f48487..3ddb6068177 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -16,7 +16,6 @@ #include <linux/limits.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/sysctl.h> #include <linux/slab.h> diff --git a/fs/read_write.c b/fs/read_write.c index 431a0ed610c..5d431bacbea 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -9,7 +9,6 @@ #include <linux/fcntl.h> #include <linux/file.h> #include <linux/uio.h> -#include <linux/smp_lock.h> #include <linux/fsnotify.h> #include <linux/security.h> #include <linux/module.h> diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 41656d40dc5..0bae036831e 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -8,7 +8,6 @@ #include <linux/reiserfs_acl.h> #include <linux/reiserfs_xattr.h> #include <linux/exportfs.h> -#include <linux/smp_lock.h> #include <linux/pagemap.h> #include <linux/highmem.h> #include <linux/slab.h> diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c index adf22b485ce..bd9763e76ba 100644 --- a/fs/reiserfs/ioctl.c +++ b/fs/reiserfs/ioctl.c @@ -9,7 +9,6 @@ #include <linux/time.h> #include <asm/uaccess.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/compat.h> /* diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 076c8b19468..d31bce1a9f9 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -43,7 +43,6 @@ #include <linux/fcntl.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/workqueue.h> #include <linux/writeback.h> diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 3bf7a6457f4..b243117b875 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -28,7 +28,6 @@ #include <linux/mount.h> #include <linux/namei.h> #include <linux/crc32.h> -#include <linux/smp_lock.h> struct file_system_type reiserfs_fs_type; diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index c9af48fffcd..7d287afccde 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -1111,11 +1111,12 @@ xfs_vm_writepage( uptodate = 0; /* - * A hole may still be marked uptodate because discard_buffer - * leaves the flag set. + * set_page_dirty dirties all buffers in a page, independent + * of their state. The dirty state however is entirely + * meaningless for holes (!mapped && uptodate), so skip + * buffers covering holes here. */ if (!buffer_mapped(bh) && buffer_uptodate(bh)) { - ASSERT(!buffer_dirty(bh)); imap_valid = 0; continue; } diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 63fd2c07cb5..aa1d353def2 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -1781,7 +1781,6 @@ xfs_buf_delwri_split( INIT_LIST_HEAD(list); spin_lock(dwlk); list_for_each_entry_safe(bp, n, dwq, b_list) { - trace_xfs_buf_delwri_split(bp, _RET_IP_); ASSERT(bp->b_flags & XBF_DELWRI); if (!XFS_BUF_ISPINNED(bp) && !xfs_buf_cond_lock(bp)) { @@ -1795,6 +1794,7 @@ xfs_buf_delwri_split( _XBF_RUN_QUEUES); bp->b_flags |= XBF_WRITE; list_move_tail(&bp->b_list, list); + trace_xfs_buf_delwri_split(bp, _RET_IP_); } else skipped++; } diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index 2ea238f6d38..ad442d9e392 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -416,7 +416,7 @@ xfs_attrlist_by_handle( if (IS_ERR(dentry)) return PTR_ERR(dentry); - kbuf = kmalloc(al_hreq.buflen, GFP_KERNEL); + kbuf = kzalloc(al_hreq.buflen, GFP_KERNEL); if (!kbuf) goto out_dput; diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 96107efc0c6..94d5fd6a297 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -762,7 +762,8 @@ xfs_setup_inode( inode->i_state = I_NEW; inode_sb_list_add(inode); - insert_inode_hash(inode); + /* make the inode look hashed for the writeback code */ + hlist_add_fake(&inode->i_hash); inode->i_mode = ip->i_d.di_mode; inode->i_nlink = ip->i_d.di_nlink; diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 9f3a78fe6ae..064f964d4f3 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -353,9 +353,6 @@ xfs_parseargs( mp->m_qflags &= ~XFS_OQUOTA_ENFD; } else if (!strcmp(this_char, MNTOPT_DELAYLOG)) { mp->m_flags |= XFS_MOUNT_DELAYLOG; - cmn_err(CE_WARN, - "Enabling EXPERIMENTAL delayed logging feature " - "- use at your own risk.\n"); } else if (!strcmp(this_char, MNTOPT_NODELAYLOG)) { mp->m_flags &= ~XFS_MOUNT_DELAYLOG; } else if (!strcmp(this_char, "ihashsize")) { diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c index 37d33254981..afb0d7cfad1 100644 --- a/fs/xfs/linux-2.6/xfs_sync.c +++ b/fs/xfs/linux-2.6/xfs_sync.c @@ -853,6 +853,7 @@ restart: if (trylock) { if (!mutex_trylock(&pag->pag_ici_reclaim_lock)) { skipped++; + xfs_perag_put(pag); continue; } first_index = pag->pag_ici_reclaim_cursor; diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index 9b715dce569..9124425b7f2 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -744,9 +744,15 @@ xfs_filestream_new_ag( * If the file's parent directory is known, take its iolock in exclusive * mode to prevent two sibling files from racing each other to migrate * themselves and their parent to different AGs. + * + * Note that we lock the parent directory iolock inside the child + * iolock here. That's fine as we never hold both parent and child + * iolock in any other place. This is different from the ilock, + * which requires locking of the child after the parent for namespace + * operations. */ if (pip) - xfs_ilock(pip, XFS_IOLOCK_EXCL); + xfs_ilock(pip, XFS_IOLOCK_EXCL | XFS_IOLOCK_PARENT); /* * A new AG needs to be found for the file. If the file's parent diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index b1498ab5a39..19e9dfa1c25 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -275,6 +275,7 @@ xfs_free_perag( pag = radix_tree_delete(&mp->m_perag_tree, agno); spin_unlock(&mp->m_perag_lock); ASSERT(pag); + ASSERT(atomic_read(&pag->pag_ref) == 0); call_rcu(&pag->rcu_head, __xfs_free_perag); } } diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h index e0e64b113bd..9bb6eda4cd2 100644 --- a/fs/xfs/xfs_quota.h +++ b/fs/xfs/xfs_quota.h @@ -346,8 +346,17 @@ xfs_qm_vop_dqalloc(struct xfs_inode *ip, uid_t uid, gid_t gid, prid_t prid, #define xfs_trans_mod_dquot_byino(tp, ip, fields, delta) #define xfs_trans_apply_dquot_deltas(tp) #define xfs_trans_unreserve_and_mod_dquots(tp) -#define xfs_trans_reserve_quota_nblks(tp, ip, nblks, ninos, flags) (0) -#define xfs_trans_reserve_quota_bydquots(tp, mp, u, g, nb, ni, fl) (0) +static inline int xfs_trans_reserve_quota_nblks(struct xfs_trans *tp, + struct xfs_inode *ip, long nblks, long ninos, uint flags) +{ + return 0; +} +static inline int xfs_trans_reserve_quota_bydquots(struct xfs_trans *tp, + struct xfs_mount *mp, struct xfs_dquot *udqp, + struct xfs_dquot *gdqp, long nblks, long nions, uint flags) +{ + return 0; +} #define xfs_qm_vop_create_dqattach(tp, ip, u, g) #define xfs_qm_vop_rename_dqattach(it) (0) #define xfs_qm_vop_chown(tp, ip, old, new) (NULL) @@ -357,11 +366,14 @@ xfs_qm_vop_dqalloc(struct xfs_inode *ip, uid_t uid, gid_t gid, prid_t prid, #define xfs_qm_dqdetach(ip) #define xfs_qm_dqrele(d) #define xfs_qm_statvfs(ip, s) -#define xfs_qm_sync(mp, fl) (0) +static inline int xfs_qm_sync(struct xfs_mount *mp, int flags) +{ + return 0; +} #define xfs_qm_newmount(mp, a, b) (0) #define xfs_qm_mount_quotas(mp) #define xfs_qm_unmount(mp) -#define xfs_qm_unmount_quotas(mp) (0) +#define xfs_qm_unmount_quotas(mp) #endif /* CONFIG_XFS_QUOTA */ #define xfs_trans_unreserve_quota_nblks(tp, ip, nblks, ninos, flags) \ diff --git a/include/asm-generic/stat.h b/include/asm-generic/stat.h index 47e64170305..bd8cad21998 100644 --- a/include/asm-generic/stat.h +++ b/include/asm-generic/stat.h @@ -33,18 +33,18 @@ struct stat { int st_blksize; /* Optimal block size for I/O. */ int __pad2; long st_blocks; /* Number 512-byte blocks allocated. */ - int st_atime; /* Time of last access. */ - unsigned int st_atime_nsec; - int st_mtime; /* Time of last modification. */ - unsigned int st_mtime_nsec; - int st_ctime; /* Time of last status change. */ - unsigned int st_ctime_nsec; + long st_atime; /* Time of last access. */ + unsigned long st_atime_nsec; + long st_mtime; /* Time of last modification. */ + unsigned long st_mtime_nsec; + long st_ctime; /* Time of last status change. */ + unsigned long st_ctime_nsec; unsigned int __unused4; unsigned int __unused5; }; -#if __BITS_PER_LONG != 64 /* This matches struct stat64 in glibc2.1. Only used for 32 bit. */ +#if __BITS_PER_LONG != 64 || defined(__ARCH_WANT_STAT64) struct stat64 { unsigned long long st_dev; /* Device. */ unsigned long long st_ino; /* File serial number. */ diff --git a/include/drm/nouveau_drm.h b/include/drm/nouveau_drm.h index 01a71411950..bc5590b1a1a 100644 --- a/include/drm/nouveau_drm.h +++ b/include/drm/nouveau_drm.h @@ -80,6 +80,7 @@ struct drm_nouveau_gpuobj_free { #define NOUVEAU_GETPARAM_VM_VRAM_BASE 12 #define NOUVEAU_GETPARAM_GRAPH_UNITS 13 #define NOUVEAU_GETPARAM_PTIMER_TIME 14 +#define NOUVEAU_GETPARAM_HAS_BO_USAGE 15 struct drm_nouveau_getparam { uint64_t param; uint64_t value; @@ -95,6 +96,12 @@ struct drm_nouveau_setparam { #define NOUVEAU_GEM_DOMAIN_GART (1 << 2) #define NOUVEAU_GEM_DOMAIN_MAPPABLE (1 << 3) +#define NOUVEAU_GEM_TILE_LAYOUT_MASK 0x0000ff00 +#define NOUVEAU_GEM_TILE_16BPP 0x00000001 +#define NOUVEAU_GEM_TILE_32BPP 0x00000002 +#define NOUVEAU_GEM_TILE_ZETA 0x00000004 +#define NOUVEAU_GEM_TILE_NONCONTIG 0x00000008 + struct drm_nouveau_gem_info { uint32_t handle; uint32_t domain; diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 5afa5b52063..beafc156a53 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -432,6 +432,10 @@ extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo); * together with the @destroy function, * enables driver-specific objects derived from a ttm_buffer_object. * On successful return, the object kref and list_kref are set to 1. + * If a failure occurs, the function will call the @destroy function, or + * kfree() if @destroy is NULL. Thus, after a failure, dereferencing @bo is + * illegal and will likely cause memory corruption. + * * Returns * -ENOMEM: Out of memory. * -EINVAL: Invalid placement flags. diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index d01b4ddbdc5..8e0c848326b 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -206,14 +206,84 @@ struct ttm_tt { struct ttm_mem_type_manager; struct ttm_mem_type_manager_func { + /** + * struct ttm_mem_type_manager member init + * + * @man: Pointer to a memory type manager. + * @p_size: Implementation dependent, but typically the size of the + * range to be managed in pages. + * + * Called to initialize a private range manager. The function is + * expected to initialize the man::priv member. + * Returns 0 on success, negative error code on failure. + */ int (*init)(struct ttm_mem_type_manager *man, unsigned long p_size); + + /** + * struct ttm_mem_type_manager member takedown + * + * @man: Pointer to a memory type manager. + * + * Called to undo the setup done in init. All allocated resources + * should be freed. + */ int (*takedown)(struct ttm_mem_type_manager *man); + + /** + * struct ttm_mem_type_manager member get_node + * + * @man: Pointer to a memory type manager. + * @bo: Pointer to the buffer object we're allocating space for. + * @placement: Placement details. + * @mem: Pointer to a struct ttm_mem_reg to be filled in. + * + * This function should allocate space in the memory type managed + * by @man. Placement details if + * applicable are given by @placement. If successful, + * @mem::mm_node should be set to a non-null value, and + * @mem::start should be set to a value identifying the beginning + * of the range allocated, and the function should return zero. + * If the memory region accomodate the buffer object, @mem::mm_node + * should be set to NULL, and the function should return 0. + * If a system error occured, preventing the request to be fulfilled, + * the function should return a negative error code. + * + * Note that @mem::mm_node will only be dereferenced by + * struct ttm_mem_type_manager functions and optionally by the driver, + * which has knowledge of the underlying type. + * + * This function may not be called from within atomic context, so + * an implementation can and must use either a mutex or a spinlock to + * protect any data structures managing the space. + */ int (*get_node)(struct ttm_mem_type_manager *man, struct ttm_buffer_object *bo, struct ttm_placement *placement, struct ttm_mem_reg *mem); + + /** + * struct ttm_mem_type_manager member put_node + * + * @man: Pointer to a memory type manager. + * @mem: Pointer to a struct ttm_mem_reg to be filled in. + * + * This function frees memory type resources previously allocated + * and that are identified by @mem::mm_node and @mem::start. May not + * be called from within atomic context. + */ void (*put_node)(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem); + + /** + * struct ttm_mem_type_manager member debug + * + * @man: Pointer to a memory type manager. + * @prefix: Prefix to be used in printout to identify the caller. + * + * This function is called to print out the state of the memory + * type manager to aid debugging of out-of-memory conditions. + * It may not be called from within atomic context. + */ void (*debug)(struct ttm_mem_type_manager *man, const char *prefix); }; @@ -231,14 +301,13 @@ struct ttm_mem_type_manager { uint64_t size; uint32_t available_caching; uint32_t default_caching; + const struct ttm_mem_type_manager_func *func; + void *priv; /* - * Protected by the bdev->lru_lock. - * TODO: Consider one lru_lock per ttm_mem_type_manager. - * Plays ill with list removal, though. + * Protected by the global->lru_lock. */ - const struct ttm_mem_type_manager_func *func; - void *priv; + struct list_head lru; }; diff --git a/include/linux/atomic.h b/include/linux/atomic.h new file mode 100644 index 00000000000..96c038e43d6 --- /dev/null +++ b/include/linux/atomic.h @@ -0,0 +1,37 @@ +#ifndef _LINUX_ATOMIC_H +#define _LINUX_ATOMIC_H +#include <asm/atomic.h> + +/** + * atomic_inc_not_zero_hint - increment if not null + * @v: pointer of type atomic_t + * @hint: probable value of the atomic before the increment + * + * This version of atomic_inc_not_zero() gives a hint of probable + * value of the atomic. This helps processor to not read the memory + * before doing the atomic read/modify/write cycle, lowering + * number of bus transactions on some arches. + * + * Returns: 0 if increment was not done, 1 otherwise. + */ +#ifndef atomic_inc_not_zero_hint +static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint) +{ + int val, c = hint; + + /* sanity test, should be removed by compiler if hint is a constant */ + if (!hint) + return atomic_inc_not_zero(v); + + do { + val = atomic_cmpxchg(v, c, c + 1); + if (val == c) + return 1; + c = val; + } while (c); + + return 0; +} +#endif + +#endif /* _LINUX_ATOMIC_H */ diff --git a/include/linux/bio.h b/include/linux/bio.h index ba679992d39..35dcdb3589b 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -66,10 +66,6 @@ #define bio_offset(bio) bio_iovec((bio))->bv_offset #define bio_segments(bio) ((bio)->bi_vcnt - (bio)->bi_idx) #define bio_sectors(bio) ((bio)->bi_size >> 9) -#define bio_empty_barrier(bio) \ - ((bio->bi_rw & REQ_HARDBARRIER) && \ - !bio_has_data(bio) && \ - !(bio->bi_rw & REQ_DISCARD)) static inline unsigned int bio_cur_bytes(struct bio *bio) { diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 0437ab6bb54..46ad5197537 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -122,7 +122,6 @@ enum rq_flag_bits { __REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */ __REQ_FAILFAST_DRIVER, /* no driver retries of driver errors */ - __REQ_HARDBARRIER, /* may not be passed by drive either */ __REQ_SYNC, /* request is sync (sync write or read) */ __REQ_META, /* metadata io request */ __REQ_DISCARD, /* request to discard sectors */ @@ -159,7 +158,6 @@ enum rq_flag_bits { #define REQ_FAILFAST_DEV (1 << __REQ_FAILFAST_DEV) #define REQ_FAILFAST_TRANSPORT (1 << __REQ_FAILFAST_TRANSPORT) #define REQ_FAILFAST_DRIVER (1 << __REQ_FAILFAST_DRIVER) -#define REQ_HARDBARRIER (1 << __REQ_HARDBARRIER) #define REQ_SYNC (1 << __REQ_SYNC) #define REQ_META (1 << __REQ_META) #define REQ_DISCARD (1 << __REQ_DISCARD) @@ -168,8 +166,8 @@ enum rq_flag_bits { #define REQ_FAILFAST_MASK \ (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER) #define REQ_COMMON_MASK \ - (REQ_WRITE | REQ_FAILFAST_MASK | REQ_HARDBARRIER | REQ_SYNC | \ - REQ_META | REQ_DISCARD | REQ_NOIDLE | REQ_FLUSH | REQ_FUA) + (REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_DISCARD | \ + REQ_NOIDLE | REQ_FLUSH | REQ_FUA) #define REQ_CLONE_MASK REQ_COMMON_MASK #define REQ_UNPLUG (1 << __REQ_UNPLUG) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 5027a599077..aae86fd10c4 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -552,8 +552,7 @@ static inline void blk_clear_queue_full(struct request_queue *q, int sync) * it already be started by driver. */ #define RQ_NOMERGE_FLAGS \ - (REQ_NOMERGE | REQ_STARTED | REQ_HARDBARRIER | REQ_SOFTBARRIER | \ - REQ_FLUSH | REQ_FUA) + (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA) #define rq_mergeable(rq) \ (!((rq)->cmd_flags & RQ_NOMERGE_FLAGS) && \ (((rq)->cmd_flags & REQ_DISCARD) || \ diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index f22b2e94168..9e76d35670d 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -227,8 +227,7 @@ extern int ceph_open_session(struct ceph_client *client); extern void ceph_release_page_vector(struct page **pages, int num_pages); extern struct page **ceph_get_direct_page_vector(const char __user *data, - int num_pages, - loff_t off, size_t len); + int num_pages); extern void ceph_put_page_vector(struct page **pages, int num_pages); extern void ceph_release_page_vector(struct page **pages, int num_pages); extern struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags); diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index 5956d62c305..a108b425fee 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -82,6 +82,7 @@ struct ceph_msg { struct ceph_buffer *middle; struct page **pages; /* data payload. NOT OWNER. */ unsigned nr_pages; /* size of page array */ + unsigned page_alignment; /* io offset in first page */ struct ceph_pagelist *pagelist; /* instead of pages */ struct list_head list_head; struct kref kref; diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index 6c91fb032c3..a1af29648fb 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -79,6 +79,7 @@ struct ceph_osd_request { struct ceph_file_layout r_file_layout; struct ceph_snap_context *r_snapc; /* snap context for writes */ unsigned r_num_pages; /* size of page array (follows) */ + unsigned r_page_alignment; /* io offset in first page */ struct page **r_pages; /* pages for data payload */ int r_pages_from_pool; int r_own_pages; /* if true, i own page list */ @@ -194,7 +195,8 @@ extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *, int do_sync, u32 truncate_seq, u64 truncate_size, struct timespec *mtime, - bool use_mempool, int num_reply); + bool use_mempool, int num_reply, + int page_align); static inline void ceph_osdc_get_request(struct ceph_osd_request *req) { @@ -218,7 +220,8 @@ extern int ceph_osdc_readpages(struct ceph_osd_client *osdc, struct ceph_file_layout *layout, u64 off, u64 *plen, u32 truncate_seq, u64 truncate_size, - struct page **pages, int nr_pages); + struct page **pages, int nr_pages, + int page_align); extern int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, diff --git a/include/linux/drbd.h b/include/linux/drbd.h index 9b2a0158f39..ef44c7a0638 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -53,7 +53,7 @@ extern const char *drbd_buildtag(void); -#define REL_VERSION "8.3.9rc2" +#define REL_VERSION "8.3.9" #define API_VERSION 88 #define PRO_VERSION_MIN 86 #define PRO_VERSION_MAX 95 diff --git a/include/linux/fs.h b/include/linux/fs.h index 334d68a1710..eedc00b7b1e 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1612,7 +1612,6 @@ struct super_operations { ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t); #endif int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t); - int (*trim_fs) (struct super_block *, struct fstrim_range *); }; /* diff --git a/include/linux/fsl-diu-fb.h b/include/linux/fsl-diu-fb.h index fc295d7ea46..781d4671415 100644 --- a/include/linux/fsl-diu-fb.h +++ b/include/linux/fsl-diu-fb.h @@ -54,7 +54,6 @@ struct aoi_display_offset { }; #define MFB_SET_CHROMA_KEY _IOW('M', 1, struct mfb_chroma_key) -#define MFB_WAIT_FOR_VSYNC _IOW('F', 0x20, u_int32_t) #define MFB_SET_BRIGHTNESS _IOW('M', 3, __u8) #define MFB_SET_ALPHA 0x80014d00 diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index 8a389b608ce..32f9fd6619b 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -2,9 +2,6 @@ #define LINUX_HARDIRQ_H #include <linux/preempt.h> -#ifdef CONFIG_PREEMPT -#include <linux/smp_lock.h> -#endif #include <linux/lockdep.h> #include <linux/ftrace_irq.h> #include <asm/hardirq.h> @@ -96,11 +93,16 @@ */ #define in_nmi() (preempt_count() & NMI_MASK) +#if defined(CONFIG_PREEMPT) && defined(CONFIG_BKL) +# include <linux/sched.h> +# define PREEMPT_INATOMIC_BASE (current->lock_depth >= 0) +#else +# define PREEMPT_INATOMIC_BASE 0 +#endif + #if defined(CONFIG_PREEMPT) -# define PREEMPT_INATOMIC_BASE kernel_locked() # define PREEMPT_CHECK_OFFSET 1 #else -# define PREEMPT_INATOMIC_BASE 0 # define PREEMPT_CHECK_OFFSET 0 #endif diff --git a/include/linux/highmem.h b/include/linux/highmem.h index e9138198e82..b676c585574 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -5,6 +5,7 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/uaccess.h> +#include <linux/hardirq.h> #include <asm/cacheflush.h> diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index e844a0b1869..4bef5c55716 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -32,28 +32,6 @@ */ /* --- Bit algorithm adapters */ -#define I2C_HW_B_BT848 0x010005 /* BT848 video boards */ -#define I2C_HW_B_RIVA 0x010010 /* Riva based graphics cards */ -#define I2C_HW_B_ZR36067 0x010019 /* Zoran-36057/36067 based boards */ #define I2C_HW_B_CX2388x 0x01001b /* connexant 2388x based tv cards */ -#define I2C_HW_B_EM28XX 0x01001f /* em28xx video capture cards */ -#define I2C_HW_B_CX2341X 0x010020 /* Conexant CX2341X MPEG encoder cards */ -#define I2C_HW_B_CX23885 0x010022 /* conexant 23885 based tv cards (bus1) */ -#define I2C_HW_B_AU0828 0x010023 /* auvitek au0828 usb bridge */ -#define I2C_HW_B_CX231XX 0x010024 /* Conexant CX231XX USB based cards */ -#define I2C_HW_B_HDPVR 0x010025 /* Hauppauge HD PVR */ - -/* --- SGI adapters */ -#define I2C_HW_SGI_VINO 0x160000 - -/* --- SMBus only adapters */ -#define I2C_HW_SMBUS_W9968CF 0x04000d -#define I2C_HW_SMBUS_OV511 0x04000e /* OV511(+) USB 1.1 webcam ICs */ -#define I2C_HW_SMBUS_OV518 0x04000f /* OV518(+) USB 1.1 webcam ICs */ -#define I2C_HW_SMBUS_CAFE 0x040012 /* Marvell 88ALP01 "CAFE" cam */ - -/* --- Miscellaneous adapters */ -#define I2C_HW_SAA7146 0x060000 /* SAA7146 video decoder bus */ -#define I2C_HW_SAA7134 0x090000 /* SAA7134 video decoder bus */ #endif /* LINUX_I2C_ID_H */ diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 889b35abaed..56cfe23ffb3 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -353,7 +353,7 @@ struct i2c_algorithm { */ struct i2c_adapter { struct module *owner; - unsigned int id; + unsigned int id __deprecated; unsigned int class; /* classes to allow probing for */ const struct i2c_algorithm *algo; /* the algorithm to access the bus */ void *algo_data; diff --git a/include/linux/i2c/adp5588.h b/include/linux/i2c/adp5588.h index 3c5d6b6e765..cec17cf6cac 100644 --- a/include/linux/i2c/adp5588.h +++ b/include/linux/i2c/adp5588.h @@ -1,7 +1,7 @@ /* * Analog Devices ADP5588 I/O Expander and QWERTY Keypad Controller * - * Copyright 2009 Analog Devices Inc. + * Copyright 2009-2010 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ @@ -77,13 +77,26 @@ /* Configuration Register1 */ #define ADP5588_AUTO_INC (1 << 7) #define ADP5588_GPIEM_CFG (1 << 6) +#define ADP5588_OVR_FLOW_M (1 << 5) #define ADP5588_INT_CFG (1 << 4) +#define ADP5588_OVR_FLOW_IEN (1 << 3) +#define ADP5588_K_LCK_IM (1 << 2) #define ADP5588_GPI_IEN (1 << 1) +#define ADP5588_KE_IEN (1 << 0) /* Interrupt Status Register */ +#define ADP5588_CMP2_INT (1 << 5) +#define ADP5588_CMP1_INT (1 << 4) +#define ADP5588_OVR_FLOW_INT (1 << 3) +#define ADP5588_K_LCK_INT (1 << 2) #define ADP5588_GPI_INT (1 << 1) #define ADP5588_KE_INT (1 << 0) +/* Key Lock and Event Counter Register */ +#define ADP5588_K_LCK_EN (1 << 6) +#define ADP5588_LCK21 0x30 +#define ADP5588_KEC 0xF + #define ADP5588_MAXGPIO 18 #define ADP5588_BANK(offs) ((offs) >> 3) #define ADP5588_BIT(offs) (1u << ((offs) & 0x7)) diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index c2f3a72712c..635e1faec41 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -339,6 +339,31 @@ static inline int vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci) } } +/** + * vlan_get_protocol - get protocol EtherType. + * @skb: skbuff to query + * + * Returns the EtherType of the packet, regardless of whether it is + * vlan encapsulated (normal or hardware accelerated) or not. + */ +static inline __be16 vlan_get_protocol(const struct sk_buff *skb) +{ + __be16 protocol = 0; + + if (vlan_tx_tag_present(skb) || + skb->protocol != cpu_to_be16(ETH_P_8021Q)) + protocol = skb->protocol; + else { + __be16 proto, *protop; + protop = skb_header_pointer(skb, offsetof(struct vlan_ethhdr, + h_vlan_encapsulated_proto), + sizeof(proto), &proto); + if (likely(protop)) + protocol = *protop; + } + + return protocol; +} #endif /* __KERNEL__ */ /* VLAN IOCTLs are found in sockios.h */ diff --git a/include/linux/input.h b/include/linux/input.h index 51af441f3a2..6ef44465db8 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -1406,6 +1406,8 @@ static inline void input_set_drvdata(struct input_dev *dev, void *data) int __must_check input_register_device(struct input_dev *); void input_unregister_device(struct input_dev *); +void input_reset_device(struct input_dev *); + int __must_check input_register_handler(struct input_handler *); void input_unregister_handler(struct input_handler *); @@ -1421,7 +1423,7 @@ void input_release_device(struct input_handle *); int input_open_device(struct input_handle *); void input_close_device(struct input_handle *); -int input_flush_device(struct input_handle* handle, struct file* file); +int input_flush_device(struct input_handle *handle, struct file *file); void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value); void input_inject_event(struct input_handle *handle, unsigned int type, unsigned int code, int value); diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h index 3e70b21884a..b2eee896dcb 100644 --- a/include/linux/iocontext.h +++ b/include/linux/iocontext.h @@ -76,7 +76,6 @@ int put_io_context(struct io_context *ioc); void exit_io_context(struct task_struct *task); struct io_context *get_io_context(gfp_t gfp_flags, int node); struct io_context *alloc_io_context(gfp_t gfp_flags, int node); -void copy_io_context(struct io_context **pdst, struct io_context **psrc); #else static inline void exit_io_context(struct task_struct *task) { diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 450092c1e35..b6de9a6f701 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -17,13 +17,11 @@ #include <linux/bitops.h> #include <linux/log2.h> #include <linux/typecheck.h> +#include <linux/printk.h> #include <linux/dynamic_debug.h> #include <asm/byteorder.h> #include <asm/bug.h> -extern const char linux_banner[]; -extern const char linux_proc_banner[]; - #define USHRT_MAX ((u16)(~0U)) #define SHRT_MAX ((s16)(USHRT_MAX>>1)) #define SHRT_MIN ((s16)(-SHRT_MAX - 1)) @@ -60,7 +58,7 @@ extern const char linux_proc_banner[]; #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) #define roundup(x, y) ( \ { \ - typeof(y) __y = y; \ + const typeof(y) __y = y; \ (((x) + (__y - 1)) / __y) * __y; \ } \ ) @@ -110,31 +108,6 @@ extern const char linux_proc_banner[]; */ #define lower_32_bits(n) ((u32)(n)) -#define KERN_EMERG "<0>" /* system is unusable */ -#define KERN_ALERT "<1>" /* action must be taken immediately */ -#define KERN_CRIT "<2>" /* critical conditions */ -#define KERN_ERR "<3>" /* error conditions */ -#define KERN_WARNING "<4>" /* warning conditions */ -#define KERN_NOTICE "<5>" /* normal but significant condition */ -#define KERN_INFO "<6>" /* informational */ -#define KERN_DEBUG "<7>" /* debug-level messages */ - -/* Use the default kernel loglevel */ -#define KERN_DEFAULT "<d>" -/* - * Annotation for a "continued" line of log printout (only done after a - * line that had no enclosing \n). Only to be used by core/arch code - * during early bootup (a continued line is not SMP-safe otherwise). - */ -#define KERN_CONT "<c>" - -extern int console_printk[]; - -#define console_loglevel (console_printk[0]) -#define default_message_loglevel (console_printk[1]) -#define minimum_console_loglevel (console_printk[2]) -#define default_console_loglevel (console_printk[3]) - struct completion; struct pt_regs; struct user; @@ -187,11 +160,6 @@ static inline void might_fault(void) } #endif -struct va_format { - const char *fmt; - va_list *va; -}; - extern struct atomic_notifier_head panic_notifier_list; extern long (*panic_blink)(int state); NORET_TYPE void panic(const char * fmt, ...) @@ -245,114 +213,8 @@ extern int func_ptr_is_kernel_text(void *ptr); struct pid; extern struct pid *session_of_pgrp(struct pid *pgrp); -/* - * FW_BUG - * Add this to a message where you are sure the firmware is buggy or behaves - * really stupid or out of spec. Be aware that the responsible BIOS developer - * should be able to fix this issue or at least get a concrete idea of the - * problem by reading your message without the need of looking at the kernel - * code. - * - * Use it for definite and high priority BIOS bugs. - * - * FW_WARN - * Use it for not that clear (e.g. could the kernel messed up things already?) - * and medium priority BIOS bugs. - * - * FW_INFO - * Use this one if you want to tell the user or vendor about something - * suspicious, but generally harmless related to the firmware. - * - * Use it for information or very low priority BIOS bugs. - */ -#define FW_BUG "[Firmware Bug]: " -#define FW_WARN "[Firmware Warn]: " -#define FW_INFO "[Firmware Info]: " - -/* - * HW_ERR - * Add this to a message for hardware errors, so that user can report - * it to hardware vendor instead of LKML or software vendor. - */ -#define HW_ERR "[Hardware Error]: " - -#ifdef CONFIG_PRINTK -asmlinkage int vprintk(const char *fmt, va_list args) - __attribute__ ((format (printf, 1, 0))); -asmlinkage int printk(const char * fmt, ...) - __attribute__ ((format (printf, 1, 2))) __cold; - -/* - * Please don't use printk_ratelimit(), because it shares ratelimiting state - * with all other unrelated printk_ratelimit() callsites. Instead use - * printk_ratelimited() or plain old __ratelimit(). - */ -extern int __printk_ratelimit(const char *func); -#define printk_ratelimit() __printk_ratelimit(__func__) -extern bool printk_timed_ratelimit(unsigned long *caller_jiffies, - unsigned int interval_msec); - -extern int printk_delay_msec; - -/* - * Print a one-time message (analogous to WARN_ONCE() et al): - */ -#define printk_once(x...) ({ \ - static bool __print_once; \ - \ - if (!__print_once) { \ - __print_once = true; \ - printk(x); \ - } \ -}) - -void log_buf_kexec_setup(void); -#else -static inline int vprintk(const char *s, va_list args) - __attribute__ ((format (printf, 1, 0))); -static inline int vprintk(const char *s, va_list args) { return 0; } -static inline int printk(const char *s, ...) - __attribute__ ((format (printf, 1, 2))); -static inline int __cold printk(const char *s, ...) { return 0; } -static inline int printk_ratelimit(void) { return 0; } -static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \ - unsigned int interval_msec) \ - { return false; } - -/* No effect, but we still get type checking even in the !PRINTK case: */ -#define printk_once(x...) printk(x) - -static inline void log_buf_kexec_setup(void) -{ -} -#endif - -/* - * Dummy printk for disabled debugging statements to use whilst maintaining - * gcc's format and side-effect checking. - */ -static inline __attribute__ ((format (printf, 1, 2))) -int no_printk(const char *s, ...) { return 0; } - -extern int printk_needs_cpu(int cpu); -extern void printk_tick(void); - -extern void asmlinkage __attribute__((format(printf, 1, 2))) - early_printk(const char *fmt, ...); - unsigned long int_sqrt(unsigned long); -static inline void console_silent(void) -{ - console_loglevel = 0; -} - -static inline void console_verbose(void) -{ - if (console_loglevel) - console_loglevel = 15; -} - extern void bust_spinlocks(int yes); extern void wake_up_klogd(void); extern int oops_in_progress; /* If set, an oops, panic(), BUG() or die() is in progress */ @@ -389,22 +251,6 @@ extern enum system_states { #define TAINT_CRAP 10 #define TAINT_FIRMWARE_WORKAROUND 11 -extern void dump_stack(void) __cold; - -enum { - DUMP_PREFIX_NONE, - DUMP_PREFIX_ADDRESS, - DUMP_PREFIX_OFFSET -}; -extern void hex_dump_to_buffer(const void *buf, size_t len, - int rowsize, int groupsize, - char *linebuf, size_t linebuflen, bool ascii); -extern void print_hex_dump(const char *level, const char *prefix_str, - int prefix_type, int rowsize, int groupsize, - const void *buf, size_t len, bool ascii); -extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type, - const void *buf, size_t len); - extern const char hex_asc[]; #define hex_asc_lo(x) hex_asc[((x) & 0x0f)] #define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4] @@ -418,94 +264,6 @@ static inline char *pack_hex_byte(char *buf, u8 byte) extern int hex_to_bin(char ch); -#ifndef pr_fmt -#define pr_fmt(fmt) fmt -#endif - -#define pr_emerg(fmt, ...) \ - printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) -#define pr_alert(fmt, ...) \ - printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) -#define pr_crit(fmt, ...) \ - printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) -#define pr_err(fmt, ...) \ - printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) -#define pr_warning(fmt, ...) \ - printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) -#define pr_warn pr_warning -#define pr_notice(fmt, ...) \ - printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) -#define pr_info(fmt, ...) \ - printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) -#define pr_cont(fmt, ...) \ - printk(KERN_CONT fmt, ##__VA_ARGS__) - -/* pr_devel() should produce zero code unless DEBUG is defined */ -#ifdef DEBUG -#define pr_devel(fmt, ...) \ - printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) -#else -#define pr_devel(fmt, ...) \ - ({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; }) -#endif - -/* If you are writing a driver, please use dev_dbg instead */ -#if defined(DEBUG) -#define pr_debug(fmt, ...) \ - printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) -#elif defined(CONFIG_DYNAMIC_DEBUG) -/* dynamic_pr_debug() uses pr_fmt() internally so we don't need it here */ -#define pr_debug(fmt, ...) \ - dynamic_pr_debug(fmt, ##__VA_ARGS__) -#else -#define pr_debug(fmt, ...) \ - ({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; }) -#endif - -/* - * ratelimited messages with local ratelimit_state, - * no local ratelimit_state used in the !PRINTK case - */ -#ifdef CONFIG_PRINTK -#define printk_ratelimited(fmt, ...) ({ \ - static DEFINE_RATELIMIT_STATE(_rs, \ - DEFAULT_RATELIMIT_INTERVAL, \ - DEFAULT_RATELIMIT_BURST); \ - \ - if (__ratelimit(&_rs)) \ - printk(fmt, ##__VA_ARGS__); \ -}) -#else -/* No effect, but we still get type checking even in the !PRINTK case: */ -#define printk_ratelimited printk -#endif - -#define pr_emerg_ratelimited(fmt, ...) \ - printk_ratelimited(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) -#define pr_alert_ratelimited(fmt, ...) \ - printk_ratelimited(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) -#define pr_crit_ratelimited(fmt, ...) \ - printk_ratelimited(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) -#define pr_err_ratelimited(fmt, ...) \ - printk_ratelimited(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) -#define pr_warning_ratelimited(fmt, ...) \ - printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) -#define pr_warn_ratelimited pr_warning_ratelimited -#define pr_notice_ratelimited(fmt, ...) \ - printk_ratelimited(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) -#define pr_info_ratelimited(fmt, ...) \ - printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) -/* no pr_cont_ratelimited, don't do that... */ -/* If you are writing a driver, please use dev_dbg instead */ -#if defined(DEBUG) -#define pr_debug_ratelimited(fmt, ...) \ - printk_ratelimited(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) -#else -#define pr_debug_ratelimited(fmt, ...) \ - ({ if (0) printk_ratelimited(KERN_DEBUG pr_fmt(fmt), \ - ##__VA_ARGS__); 0; }) -#endif - /* * General tracing related utility functions - trace_printk(), * tracing_on/tracing_off and tracing_start()/tracing_stop diff --git a/include/linux/leds-lp5521.h b/include/linux/leds-lp5521.h new file mode 100644 index 00000000000..38368d785f0 --- /dev/null +++ b/include/linux/leds-lp5521.h @@ -0,0 +1,47 @@ +/* + * LP5521 LED chip driver. + * + * Copyright (C) 2010 Nokia Corporation + * + * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef __LINUX_LP5521_H +#define __LINUX_LP5521_H + +/* See Documentation/leds/leds-lp5521.txt */ + +struct lp5521_led_config { + u8 chan_nr; + u8 led_current; /* mA x10, 0 if led is not connected */ + u8 max_current; +}; + +#define LP5521_CLOCK_AUTO 0 +#define LP5521_CLOCK_INT 1 +#define LP5521_CLOCK_EXT 2 + +struct lp5521_platform_data { + struct lp5521_led_config *led_config; + u8 num_channels; + u8 clock_mode; + int (*setup_resources)(void); + void (*release_resources)(void); + void (*enable)(bool state); +}; + +#endif /* __LINUX_LP5521_H */ diff --git a/include/linux/leds-lp5523.h b/include/linux/leds-lp5523.h new file mode 100644 index 00000000000..796747637b8 --- /dev/null +++ b/include/linux/leds-lp5523.h @@ -0,0 +1,47 @@ +/* + * LP5523 LED Driver + * + * Copyright (C) 2010 Nokia Corporation + * + * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef __LINUX_LP5523_H +#define __LINUX_LP5523_H + +/* See Documentation/leds/leds-lp5523.txt */ + +struct lp5523_led_config { + u8 chan_nr; + u8 led_current; /* mA x10, 0 if led is not connected */ + u8 max_current; +}; + +#define LP5523_CLOCK_AUTO 0 +#define LP5523_CLOCK_INT 1 +#define LP5523_CLOCK_EXT 2 + +struct lp5523_platform_data { + struct lp5523_led_config *led_config; + u8 num_channels; + u8 clock_mode; + int (*setup_resources)(void); + void (*release_resources)(void); + void (*enable)(bool state); +}; + +#endif /* __LINUX_LP5523_H */ diff --git a/include/linux/leds.h b/include/linux/leds.h index ba6986a1166..0f19df9e37b 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -15,6 +15,7 @@ #include <linux/list.h> #include <linux/spinlock.h> #include <linux/rwsem.h> +#include <linux/timer.h> struct device; /* @@ -45,10 +46,14 @@ struct led_classdev { /* Get LED brightness level */ enum led_brightness (*brightness_get)(struct led_classdev *led_cdev); - /* Activate hardware accelerated blink, delays are in - * miliseconds and if none is provided then a sensible default - * should be chosen. The call can adjust the timings if it can't - * match the values specified exactly. */ + /* + * Activate hardware accelerated blink, delays are in milliseconds + * and if both are zero then a sensible default should be chosen. + * The call should adjust the timings in that case and if it can't + * match the values specified exactly. + * Deactivate blinking again when the brightness is set to a fixed + * value via the brightness_set() callback. + */ int (*blink_set)(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off); @@ -57,6 +62,10 @@ struct led_classdev { struct list_head node; /* LED Device list */ const char *default_trigger; /* Trigger to use */ + unsigned long blink_delay_on, blink_delay_off; + struct timer_list blink_timer; + int blink_brightness; + #ifdef CONFIG_LEDS_TRIGGERS /* Protects the trigger data below */ struct rw_semaphore trigger_lock; @@ -73,6 +82,36 @@ extern void led_classdev_unregister(struct led_classdev *led_cdev); extern void led_classdev_suspend(struct led_classdev *led_cdev); extern void led_classdev_resume(struct led_classdev *led_cdev); +/** + * led_blink_set - set blinking with software fallback + * @led_cdev: the LED to start blinking + * @delay_on: the time it should be on (in ms) + * @delay_off: the time it should ble off (in ms) + * + * This function makes the LED blink, attempting to use the + * hardware acceleration if possible, but falling back to + * software blinking if there is no hardware blinking or if + * the LED refuses the passed values. + * + * Note that if software blinking is active, simply calling + * led_cdev->brightness_set() will not stop the blinking, + * use led_classdev_brightness_set() instead. + */ +extern void led_blink_set(struct led_classdev *led_cdev, + unsigned long *delay_on, + unsigned long *delay_off); +/** + * led_brightness_set - set LED brightness + * @led_cdev: the LED to set + * @brightness: the brightness to set it to + * + * Set an LED's brightness, and, if necessary, cancel the + * software blink timer that implements blinking when the + * hardware doesn't. + */ +extern void led_brightness_set(struct led_classdev *led_cdev, + enum led_brightness brightness); + /* * LED Triggers */ diff --git a/include/linux/libata.h b/include/linux/libata.h index 15b77b8dc7e..d947b123166 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -986,7 +986,7 @@ extern void ata_host_init(struct ata_host *, struct device *, unsigned long, struct ata_port_operations *); extern int ata_scsi_detect(struct scsi_host_template *sht); extern int ata_scsi_ioctl(struct scsi_device *dev, int cmd, void __user *arg); -extern int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)); +extern int ata_scsi_queuecmd(struct Scsi_Host *h, struct scsi_cmnd *cmd); extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev, int cmd, void __user *arg); extern void ata_sas_port_destroy(struct ata_port *); diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index a34dea46b62..2dee05e5119 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -43,6 +43,7 @@ struct nlm_host { struct sockaddr_storage h_addr; /* peer address */ size_t h_addrlen; struct sockaddr_storage h_srcaddr; /* our address (optional) */ + size_t h_srcaddrlen; struct rpc_clnt *h_rpcclnt; /* RPC client to talk to peer */ char *h_name; /* remote hostname */ u32 h_version; /* interface version */ diff --git a/include/linux/marvell_phy.h b/include/linux/marvell_phy.h index 1ff81b51b65..dd3c34ebca9 100644 --- a/include/linux/marvell_phy.h +++ b/include/linux/marvell_phy.h @@ -11,6 +11,7 @@ #define MARVELL_PHY_ID_88E1118 0x01410e10 #define MARVELL_PHY_ID_88E1121R 0x01410cb0 #define MARVELL_PHY_ID_88E1145 0x01410cd0 +#define MARVELL_PHY_ID_88E1149R 0x01410e50 #define MARVELL_PHY_ID_88E1240 0x01410e30 #define MARVELL_PHY_ID_88E1318S 0x01410e90 diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h index d19e2114fd8..5c99da1078a 100644 --- a/include/linux/mmc/sh_mmcif.h +++ b/include/linux/mmc/sh_mmcif.h @@ -59,19 +59,19 @@ struct sh_mmcif_plat_data { #define MMCIF_CE_HOST_STS2 0x0000004C #define MMCIF_CE_VERSION 0x0000007C -extern inline u32 sh_mmcif_readl(void __iomem *addr, int reg) +static inline u32 sh_mmcif_readl(void __iomem *addr, int reg) { return readl(addr + reg); } -extern inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val) +static inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val) { writel(val, addr + reg); } #define SH_MMCIF_BBS 512 /* boot block size */ -extern inline void sh_mmcif_boot_cmd_send(void __iomem *base, +static inline void sh_mmcif_boot_cmd_send(void __iomem *base, unsigned long cmd, unsigned long arg) { sh_mmcif_writel(base, MMCIF_CE_INT, 0); @@ -79,7 +79,7 @@ extern inline void sh_mmcif_boot_cmd_send(void __iomem *base, sh_mmcif_writel(base, MMCIF_CE_CMD_SET, cmd); } -extern inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask) +static inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask) { unsigned long tmp; int cnt; @@ -95,14 +95,14 @@ extern inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask) return -1; } -extern inline int sh_mmcif_boot_cmd(void __iomem *base, +static inline int sh_mmcif_boot_cmd(void __iomem *base, unsigned long cmd, unsigned long arg) { sh_mmcif_boot_cmd_send(base, cmd, arg); return sh_mmcif_boot_cmd_poll(base, 0x00010000); } -extern inline int sh_mmcif_boot_do_read_single(void __iomem *base, +static inline int sh_mmcif_boot_do_read_single(void __iomem *base, unsigned int block_nr, unsigned long *buf) { @@ -125,7 +125,7 @@ extern inline int sh_mmcif_boot_do_read_single(void __iomem *base, return 0; } -extern inline int sh_mmcif_boot_do_read(void __iomem *base, +static inline int sh_mmcif_boot_do_read(void __iomem *base, unsigned long first_block, unsigned long nr_blocks, void *buf) @@ -143,7 +143,7 @@ extern inline int sh_mmcif_boot_do_read(void __iomem *base, return ret; } -extern inline void sh_mmcif_boot_init(void __iomem *base) +static inline void sh_mmcif_boot_init(void __iomem *base) { unsigned long tmp; @@ -177,7 +177,7 @@ extern inline void sh_mmcif_boot_init(void __iomem *base) sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000); } -extern inline void sh_mmcif_boot_slurp(void __iomem *base, +static inline void sh_mmcif_boot_slurp(void __iomem *base, unsigned char *buf, unsigned long no_bytes) { diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 072652d94d9..d8fd2c23a1b 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1554,6 +1554,11 @@ static inline void netif_tx_wake_all_queues(struct net_device *dev) static inline void netif_tx_stop_queue(struct netdev_queue *dev_queue) { + if (WARN_ON(!dev_queue)) { + printk(KERN_INFO "netif_stop_queue() cannot be called before " + "register_netdev()"); + return; + } set_bit(__QUEUE_STATE_XOFF, &dev_queue->state); } diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index 89341c32631..03317c8d407 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -215,7 +215,7 @@ NF_HOOK_COND(uint8_t pf, unsigned int hook, struct sk_buff *skb, int ret; if (!cond || - (ret = nf_hook_thresh(pf, hook, skb, in, out, okfn, INT_MIN) == 1)) + ((ret = nf_hook_thresh(pf, hook, skb, in, out, okfn, INT_MIN)) == 1)) ret = okfn(skb); return ret; } diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index bba26684acd..c66fdb7d699 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -593,12 +593,6 @@ nfs_fileid_to_ino_t(u64 fileid) return ino; } -#define nfs_wait_event(clnt, wq, condition) \ -({ \ - int __retval = wait_event_killable(wq, condition); \ - __retval; \ -}) - #define NFS_JUKEBOX_RETRY_TIME (5 * HZ) #endif /* __KERNEL__ */ diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 057bf22a832..40150f34598 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -747,6 +747,16 @@ struct perf_event { u64 tstamp_running; u64 tstamp_stopped; + /* + * timestamp shadows the actual context timing but it can + * be safely used in NMI interrupt context. It reflects the + * context time as it was when the event was last scheduled in. + * + * ctx_time already accounts for ctx->timestamp. Therefore to + * compute ctx_time for a sample, simply add perf_clock(). + */ + u64 shadow_ctx_time; + struct perf_event_attr attr; struct hw_perf_event hw; diff --git a/include/linux/printk.h b/include/linux/printk.h new file mode 100644 index 00000000000..b772ca5fbdf --- /dev/null +++ b/include/linux/printk.h @@ -0,0 +1,248 @@ +#ifndef __KERNEL_PRINTK__ +#define __KERNEL_PRINTK__ + +extern const char linux_banner[]; +extern const char linux_proc_banner[]; + +#define KERN_EMERG "<0>" /* system is unusable */ +#define KERN_ALERT "<1>" /* action must be taken immediately */ +#define KERN_CRIT "<2>" /* critical conditions */ +#define KERN_ERR "<3>" /* error conditions */ +#define KERN_WARNING "<4>" /* warning conditions */ +#define KERN_NOTICE "<5>" /* normal but significant condition */ +#define KERN_INFO "<6>" /* informational */ +#define KERN_DEBUG "<7>" /* debug-level messages */ + +/* Use the default kernel loglevel */ +#define KERN_DEFAULT "<d>" +/* + * Annotation for a "continued" line of log printout (only done after a + * line that had no enclosing \n). Only to be used by core/arch code + * during early bootup (a continued line is not SMP-safe otherwise). + */ +#define KERN_CONT "<c>" + +extern int console_printk[]; + +#define console_loglevel (console_printk[0]) +#define default_message_loglevel (console_printk[1]) +#define minimum_console_loglevel (console_printk[2]) +#define default_console_loglevel (console_printk[3]) + +struct va_format { + const char *fmt; + va_list *va; +}; + +/* + * FW_BUG + * Add this to a message where you are sure the firmware is buggy or behaves + * really stupid or out of spec. Be aware that the responsible BIOS developer + * should be able to fix this issue or at least get a concrete idea of the + * problem by reading your message without the need of looking at the kernel + * code. + * + * Use it for definite and high priority BIOS bugs. + * + * FW_WARN + * Use it for not that clear (e.g. could the kernel messed up things already?) + * and medium priority BIOS bugs. + * + * FW_INFO + * Use this one if you want to tell the user or vendor about something + * suspicious, but generally harmless related to the firmware. + * + * Use it for information or very low priority BIOS bugs. + */ +#define FW_BUG "[Firmware Bug]: " +#define FW_WARN "[Firmware Warn]: " +#define FW_INFO "[Firmware Info]: " + +/* + * HW_ERR + * Add this to a message for hardware errors, so that user can report + * it to hardware vendor instead of LKML or software vendor. + */ +#define HW_ERR "[Hardware Error]: " + +#ifdef CONFIG_PRINTK +asmlinkage int vprintk(const char *fmt, va_list args) + __attribute__ ((format (printf, 1, 0))); +asmlinkage int printk(const char * fmt, ...) + __attribute__ ((format (printf, 1, 2))) __cold; + +/* + * Please don't use printk_ratelimit(), because it shares ratelimiting state + * with all other unrelated printk_ratelimit() callsites. Instead use + * printk_ratelimited() or plain old __ratelimit(). + */ +extern int __printk_ratelimit(const char *func); +#define printk_ratelimit() __printk_ratelimit(__func__) +extern bool printk_timed_ratelimit(unsigned long *caller_jiffies, + unsigned int interval_msec); + +extern int printk_delay_msec; +extern int dmesg_restrict; + +/* + * Print a one-time message (analogous to WARN_ONCE() et al): + */ +#define printk_once(x...) ({ \ + static bool __print_once; \ + \ + if (!__print_once) { \ + __print_once = true; \ + printk(x); \ + } \ +}) + +void log_buf_kexec_setup(void); +#else +static inline int vprintk(const char *s, va_list args) + __attribute__ ((format (printf, 1, 0))); +static inline int vprintk(const char *s, va_list args) { return 0; } +static inline int printk(const char *s, ...) + __attribute__ ((format (printf, 1, 2))); +static inline int __cold printk(const char *s, ...) { return 0; } +static inline int printk_ratelimit(void) { return 0; } +static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \ + unsigned int interval_msec) \ + { return false; } + +/* No effect, but we still get type checking even in the !PRINTK case: */ +#define printk_once(x...) printk(x) + +static inline void log_buf_kexec_setup(void) +{ +} +#endif + +/* + * Dummy printk for disabled debugging statements to use whilst maintaining + * gcc's format and side-effect checking. + */ +static inline __attribute__ ((format (printf, 1, 2))) +int no_printk(const char *s, ...) { return 0; } + +extern int printk_needs_cpu(int cpu); +extern void printk_tick(void); + +extern void asmlinkage __attribute__((format(printf, 1, 2))) + early_printk(const char *fmt, ...); + +static inline void console_silent(void) +{ + console_loglevel = 0; +} + +static inline void console_verbose(void) +{ + if (console_loglevel) + console_loglevel = 15; +} + +extern void dump_stack(void) __cold; + +enum { + DUMP_PREFIX_NONE, + DUMP_PREFIX_ADDRESS, + DUMP_PREFIX_OFFSET +}; +extern void hex_dump_to_buffer(const void *buf, size_t len, + int rowsize, int groupsize, + char *linebuf, size_t linebuflen, bool ascii); +extern void print_hex_dump(const char *level, const char *prefix_str, + int prefix_type, int rowsize, int groupsize, + const void *buf, size_t len, bool ascii); +extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type, + const void *buf, size_t len); + +#ifndef pr_fmt +#define pr_fmt(fmt) fmt +#endif + +#define pr_emerg(fmt, ...) \ + printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) +#define pr_alert(fmt, ...) \ + printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) +#define pr_crit(fmt, ...) \ + printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) +#define pr_err(fmt, ...) \ + printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) +#define pr_warning(fmt, ...) \ + printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) +#define pr_warn pr_warning +#define pr_notice(fmt, ...) \ + printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) +#define pr_info(fmt, ...) \ + printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) +#define pr_cont(fmt, ...) \ + printk(KERN_CONT fmt, ##__VA_ARGS__) + +/* pr_devel() should produce zero code unless DEBUG is defined */ +#ifdef DEBUG +#define pr_devel(fmt, ...) \ + printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) +#else +#define pr_devel(fmt, ...) \ + ({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; }) +#endif + +/* If you are writing a driver, please use dev_dbg instead */ +#if defined(DEBUG) +#define pr_debug(fmt, ...) \ + printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) +#elif defined(CONFIG_DYNAMIC_DEBUG) +/* dynamic_pr_debug() uses pr_fmt() internally so we don't need it here */ +#define pr_debug(fmt, ...) \ + dynamic_pr_debug(fmt, ##__VA_ARGS__) +#else +#define pr_debug(fmt, ...) \ + ({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; }) +#endif + +/* + * ratelimited messages with local ratelimit_state, + * no local ratelimit_state used in the !PRINTK case + */ +#ifdef CONFIG_PRINTK +#define printk_ratelimited(fmt, ...) ({ \ + static DEFINE_RATELIMIT_STATE(_rs, \ + DEFAULT_RATELIMIT_INTERVAL, \ + DEFAULT_RATELIMIT_BURST); \ + \ + if (__ratelimit(&_rs)) \ + printk(fmt, ##__VA_ARGS__); \ +}) +#else +/* No effect, but we still get type checking even in the !PRINTK case: */ +#define printk_ratelimited printk +#endif + +#define pr_emerg_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) +#define pr_alert_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) +#define pr_crit_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) +#define pr_err_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) +#define pr_warning_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) +#define pr_warn_ratelimited pr_warning_ratelimited +#define pr_notice_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) +#define pr_info_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) +/* no pr_cont_ratelimited, don't do that... */ +/* If you are writing a driver, please use dev_dbg instead */ +#if defined(DEBUG) +#define pr_debug_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) +#else +#define pr_debug_ratelimited(fmt, ...) \ + ({ if (0) printk_ratelimited(KERN_DEBUG pr_fmt(fmt), \ + ##__VA_ARGS__); 0; }) +#endif + +#endif diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h index 01b3d759f1f..e031e1a486d 100644 --- a/include/linux/pwm_backlight.h +++ b/include/linux/pwm_backlight.h @@ -8,6 +8,7 @@ struct platform_pwm_backlight_data { int pwm_id; unsigned int max_brightness; unsigned int dft_brightness; + unsigned int lth_brightness; unsigned int pwm_period_ns; int (*init)(struct device *dev); int (*notify)(struct device *dev, int brightness); diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index a39cbed9ee1..ab2baa5c488 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -34,19 +34,13 @@ * needed for RCU lookups (because root->height is unreliable). The only * time callers need worry about this is when doing a lookup_slot under * RCU. + * + * Indirect pointer in fact is also used to tag the last pointer of a node + * when it is shrunk, before we rcu free the node. See shrink code for + * details. */ #define RADIX_TREE_INDIRECT_PTR 1 -#define RADIX_TREE_RETRY ((void *)-1UL) - -static inline void *radix_tree_ptr_to_indirect(void *ptr) -{ - return (void *)((unsigned long)ptr | RADIX_TREE_INDIRECT_PTR); -} -static inline void *radix_tree_indirect_to_ptr(void *ptr) -{ - return (void *)((unsigned long)ptr & ~RADIX_TREE_INDIRECT_PTR); -} #define radix_tree_indirect_to_ptr(ptr) \ radix_tree_indirect_to_ptr((void __force *)(ptr)) @@ -140,16 +134,29 @@ do { \ * removed. * * For use with radix_tree_lookup_slot(). Caller must hold tree at least read - * locked across slot lookup and dereference. More likely, will be used with - * radix_tree_replace_slot(), as well, so caller will hold tree write locked. + * locked across slot lookup and dereference. Not required if write lock is + * held (ie. items cannot be concurrently inserted). + * + * radix_tree_deref_retry must be used to confirm validity of the pointer if + * only the read lock is held. */ static inline void *radix_tree_deref_slot(void **pslot) { - void *ret = rcu_dereference(*pslot); - if (unlikely(radix_tree_is_indirect_ptr(ret))) - ret = RADIX_TREE_RETRY; - return ret; + return rcu_dereference(*pslot); } + +/** + * radix_tree_deref_retry - check radix_tree_deref_slot + * @arg: pointer returned by radix_tree_deref_slot + * Returns: 0 if retry is not required, otherwise retry is required + * + * radix_tree_deref_retry must be used with radix_tree_deref_slot. + */ +static inline int radix_tree_deref_retry(void *arg) +{ + return unlikely((unsigned long)arg & RADIX_TREE_INDIRECT_PTR); +} + /** * radix_tree_replace_slot - replace item in a slot * @pslot: pointer to slot, returned by radix_tree_lookup_slot diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index 5ca47e59b72..c21072adbfa 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h @@ -22,7 +22,6 @@ #include <asm/unaligned.h> #include <linux/bitops.h> #include <linux/proc_fs.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/reiserfs_fs_i.h> #include <linux/reiserfs_fs_sb.h> diff --git a/include/linux/resource.h b/include/linux/resource.h index 88d36f9145b..d01c96c1966 100644 --- a/include/linux/resource.h +++ b/include/linux/resource.h @@ -2,6 +2,7 @@ #define _LINUX_RESOURCE_H #include <linux/time.h> +#include <linux/types.h> /* * Resource control/accounting header file for linux diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index d42f274418b..bbad657a372 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -6,7 +6,6 @@ #include <linux/if_link.h> #include <linux/if_addr.h> #include <linux/neighbour.h> -#include <linux/netdevice.h> /* rtnetlink families. Values up to 127 are reserved for real address * families, values above 128 may be used arbitrarily. @@ -606,6 +605,7 @@ struct tcamsg { #ifdef __KERNEL__ #include <linux/mutex.h> +#include <linux/netdevice.h> static __inline__ int rtattr_strcmp(const struct rtattr *rta, const char *str) { diff --git a/include/linux/sched.h b/include/linux/sched.h index d0036e52a24..2c79e921a68 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -862,6 +862,7 @@ struct sched_group { * single CPU. */ unsigned int cpu_power, cpu_power_orig; + unsigned int group_weight; /* * The CPUs this group covers. diff --git a/include/linux/security.h b/include/linux/security.h index b8246a8df7d..fd4d55fb884 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -77,7 +77,6 @@ extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3, extern int cap_task_setscheduler(struct task_struct *p); extern int cap_task_setioprio(struct task_struct *p, int ioprio); extern int cap_task_setnice(struct task_struct *p, int nice); -extern int cap_syslog(int type, bool from_file); extern int cap_vm_enough_memory(struct mm_struct *mm, long pages); struct msghdr; @@ -1388,7 +1387,7 @@ struct security_operations { int (*sysctl) (struct ctl_table *table, int op); int (*quotactl) (int cmds, int type, int id, struct super_block *sb); int (*quota_on) (struct dentry *dentry); - int (*syslog) (int type, bool from_file); + int (*syslog) (int type); int (*settime) (struct timespec *ts, struct timezone *tz); int (*vm_enough_memory) (struct mm_struct *mm, long pages); @@ -1671,7 +1670,7 @@ int security_real_capable_noaudit(struct task_struct *tsk, int cap); int security_sysctl(struct ctl_table *table, int op); int security_quotactl(int cmds, int type, int id, struct super_block *sb); int security_quota_on(struct dentry *dentry); -int security_syslog(int type, bool from_file); +int security_syslog(int type); int security_settime(struct timespec *ts, struct timezone *tz); int security_vm_enough_memory(long pages); int security_vm_enough_memory_mm(struct mm_struct *mm, long pages); @@ -1901,9 +1900,9 @@ static inline int security_quota_on(struct dentry *dentry) return 0; } -static inline int security_syslog(int type, bool from_file) +static inline int security_syslog(int type) { - return cap_syslog(type, from_file); + return 0; } static inline int security_settime(struct timespec *ts, struct timezone *tz) diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h index 4dca992f309..cea0c38e7a6 100644 --- a/include/linux/sh_clk.h +++ b/include/linux/sh_clk.h @@ -122,6 +122,10 @@ int clk_rate_table_find(struct clk *clk, long clk_rate_div_range_round(struct clk *clk, unsigned int div_min, unsigned int div_max, unsigned long rate); +long clk_round_parent(struct clk *clk, unsigned long target, + unsigned long *best_freq, unsigned long *parent_freq, + unsigned int div_min, unsigned int div_max); + #define SH_CLK_MSTP32(_parent, _enable_reg, _enable_bit, _flags) \ { \ .parent = _parent, \ diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h index f656d1a43dc..5812fefbced 100644 --- a/include/linux/sh_intc.h +++ b/include/linux/sh_intc.h @@ -79,7 +79,7 @@ struct intc_hw_desc { unsigned int nr_subgroups; }; -#define _INTC_ARRAY(a) a, a == NULL ? 0 : sizeof(a)/sizeof(*a) +#define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(*a) #define INTC_HW_DESC(vectors, groups, mask_regs, \ prio_regs, sense_regs, ack_regs) \ diff --git a/include/linux/sh_timer.h b/include/linux/sh_timer.h index 864bd56bd3b..4d9dcd13831 100644 --- a/include/linux/sh_timer.h +++ b/include/linux/sh_timer.h @@ -5,7 +5,6 @@ struct sh_timer_config { char *name; long channel_offset; int timer_bit; - char *clk; unsigned long clockevent_rating; unsigned long clocksource_rating; }; diff --git a/include/linux/smp_lock.h b/include/linux/smp_lock.h index 291f721144c..3a198820273 100644 --- a/include/linux/smp_lock.h +++ b/include/linux/smp_lock.h @@ -4,8 +4,6 @@ #ifdef CONFIG_LOCK_KERNEL #include <linux/sched.h> -#define kernel_locked() (current->lock_depth >= 0) - extern int __lockfunc __reacquire_kernel_lock(void); extern void __lockfunc __release_kernel_lock(void); @@ -58,7 +56,6 @@ static inline void cycle_kernel_lock(void) #define lock_kernel() #define unlock_kernel() #define cycle_kernel_lock() do { } while(0) -#define kernel_locked() 1 #endif /* CONFIG_BKL */ #define release_kernel_lock(task) do { } while(0) diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h index bbdb680ffbe..aea0d438e3c 100644 --- a/include/linux/sunrpc/svc_xprt.h +++ b/include/linux/sunrpc/svc_xprt.h @@ -82,18 +82,28 @@ struct svc_xprt { struct net *xpt_net; }; -static inline void register_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u) +static inline void unregister_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u) { spin_lock(&xpt->xpt_lock); - list_add(&u->list, &xpt->xpt_users); + list_del_init(&u->list); spin_unlock(&xpt->xpt_lock); } -static inline void unregister_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u) +static inline int register_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u) { spin_lock(&xpt->xpt_lock); - list_del_init(&u->list); + if (test_bit(XPT_CLOSE, &xpt->xpt_flags)) { + /* + * The connection is about to be deleted soon (or, + * worse, may already be deleted--in which case we've + * already notified the xpt_users). + */ + spin_unlock(&xpt->xpt_lock); + return -ENOTCONN; + } + list_add(&u->list, &xpt->xpt_users); spin_unlock(&xpt->xpt_lock); + return 0; } int svc_reg_xprt_class(struct svc_xprt_class *); diff --git a/include/linux/tty.h b/include/linux/tty.h index 2a754748dd5..032d79ff1d9 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -13,7 +13,6 @@ #include <linux/tty_driver.h> #include <linux/tty_ldisc.h> #include <linux/mutex.h> -#include <linux/smp_lock.h> #include <asm/system.h> @@ -50,7 +49,7 @@ #define N_V253 19 /* Codec control over voice modem */ #define N_CAIF 20 /* CAIF protocol for talking to modems */ #define N_GSM0710 21 /* GSM 0710 Mux */ -#define N_TI_WL 22 /* for TI's WL BT, FM, GPS combo chips */ +#define N_TI_WL 22 /* for TI's WL BT, FM, GPS combo chips */ /* * This character is the same as _POSIX_VDISABLE: it cannot be used as diff --git a/include/linux/usb.h b/include/linux/usb.h index 35fe6ab222b..24300d8a1bc 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -797,7 +797,7 @@ struct usbdrv_wrap { * @disconnect: Called when the interface is no longer accessible, usually * because its device has been (or is being) disconnected or the * driver module is being unloaded. - * @ioctl: Used for drivers that want to talk to userspace through + * @unlocked_ioctl: Used for drivers that want to talk to userspace through * the "usbfs" filesystem. This lets devices provide ways to * expose information to user space regardless of where they * do (or don't) show up otherwise in the filesystem. diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h index ee2dd1d506e..2387f9fc813 100644 --- a/include/linux/usb/musb.h +++ b/include/linux/usb/musb.h @@ -89,6 +89,8 @@ struct musb_hdrc_config { /* A GPIO controlling VRSEL in Blackfin */ unsigned int gpio_vrsel; unsigned int gpio_vrsel_active; + /* musb CLKIN in Blackfin in MHZ */ + unsigned char clkin; #endif }; diff --git a/include/net/caif/caif_dev.h b/include/net/caif/caif_dev.h index 6da573c75d5..8eff83b9536 100644 --- a/include/net/caif/caif_dev.h +++ b/include/net/caif/caif_dev.h @@ -28,7 +28,7 @@ struct caif_param { * @sockaddr: Socket address to connect. * @priority: Priority of the connection. * @link_selector: Link selector (high bandwidth or low latency) - * @link_name: Name of the CAIF Link Layer to use. + * @ifindex: kernel index of the interface. * @param: Connect Request parameters (CAIF_SO_REQ_PARAM). * * This struct is used when connecting a CAIF channel. @@ -39,7 +39,7 @@ struct caif_connect_request { struct sockaddr_caif sockaddr; enum caif_channel_priority priority; enum caif_link_selector link_selector; - char link_name[16]; + int ifindex; struct caif_param param; }; diff --git a/include/net/caif/caif_spi.h b/include/net/caif/caif_spi.h index ce4570dff02..87c3d11b8e5 100644 --- a/include/net/caif/caif_spi.h +++ b/include/net/caif/caif_spi.h @@ -121,6 +121,8 @@ struct cfspi { wait_queue_head_t wait; spinlock_t lock; bool flow_stop; + bool slave; + bool slave_talked; #ifdef CONFIG_DEBUG_FS enum cfspi_state dbg_state; u16 pcmd; diff --git a/include/net/caif/cfcnfg.h b/include/net/caif/cfcnfg.h index bd646faffa4..f688478bfb8 100644 --- a/include/net/caif/cfcnfg.h +++ b/include/net/caif/cfcnfg.h @@ -139,10 +139,10 @@ struct dev_info *cfcnfg_get_phyid(struct cfcnfg *cnfg, enum cfcnfg_phy_preference phy_pref); /** - * cfcnfg_get_named() - Get the Physical Identifier of CAIF Link Layer + * cfcnfg_get_id_from_ifi() - Get the Physical Identifier of ifindex, + * it matches caif physical id with the kernel interface id. * @cnfg: Configuration object - * @name: Name of the Physical Layer (Caif Link Layer) + * @ifi: ifindex obtained from socket.c bindtodevice. */ -int cfcnfg_get_named(struct cfcnfg *cnfg, char *name); - +int cfcnfg_get_id_from_ifi(struct cfcnfg *cnfg, int ifi); #endif /* CFCNFG_H_ */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 2a7936d7851..97b8b7c9b63 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1355,7 +1355,7 @@ enum wiphy_flags { WIPHY_FLAG_4ADDR_AP = BIT(5), WIPHY_FLAG_4ADDR_STATION = BIT(6), WIPHY_FLAG_CONTROL_PORT_PROTOCOL = BIT(7), - WIPHY_FLAG_IBSS_RSN = BIT(7), + WIPHY_FLAG_IBSS_RSN = BIT(8), }; struct mac_address { diff --git a/include/net/dn.h b/include/net/dn.h index e5469f7b67a..a514a3cf457 100644 --- a/include/net/dn.h +++ b/include/net/dn.h @@ -225,7 +225,7 @@ extern int decnet_di_count; extern int decnet_dr_count; extern int decnet_no_fc_max_cwnd; -extern int sysctl_decnet_mem[3]; +extern long sysctl_decnet_mem[3]; extern int sysctl_decnet_wmem[3]; extern int sysctl_decnet_rmem[3]; diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h index 1fa5306e3e2..51665b3461b 100644 --- a/include/net/dst_ops.h +++ b/include/net/dst_ops.h @@ -2,6 +2,7 @@ #define _NET_DST_OPS_H #include <linux/types.h> #include <linux/percpu_counter.h> +#include <linux/cache.h> struct dst_entry; struct kmem_cachep; diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 55590ab16b3..6beb1ffc2b7 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -303,7 +303,7 @@ static inline void neigh_confirm(struct neighbour *neigh) static inline int neigh_event_send(struct neighbour *neigh, struct sk_buff *skb) { - unsigned long now = ACCESS_ONCE(jiffies); + unsigned long now = jiffies; if (neigh->used != now) neigh->used = now; diff --git a/include/net/netlink.h b/include/net/netlink.h index f3b201d335b..9801c55de5d 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -384,7 +384,7 @@ static inline int nlmsg_parse(const struct nlmsghdr *nlh, int hdrlen, * * Returns the first attribute which matches the specified type. */ -static inline struct nlattr *nlmsg_find_attr(struct nlmsghdr *nlh, +static inline struct nlattr *nlmsg_find_attr(const struct nlmsghdr *nlh, int hdrlen, int attrtype) { return nla_find(nlmsg_attrdata(nlh, hdrlen), diff --git a/include/net/sock.h b/include/net/sock.h index c7a736228ca..a6338d03985 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -762,7 +762,7 @@ struct proto { /* Memory pressure */ void (*enter_memory_pressure)(struct sock *sk); - atomic_t *memory_allocated; /* Current allocated memory. */ + atomic_long_t *memory_allocated; /* Current allocated memory. */ struct percpu_counter *sockets_allocated; /* Current number of sockets. */ /* * Pressure flag: try to collapse. @@ -771,7 +771,7 @@ struct proto { * is strict, actions are advisory and have some latency. */ int *memory_pressure; - int *sysctl_mem; + long *sysctl_mem; int *sysctl_wmem; int *sysctl_rmem; int max_header; diff --git a/include/net/tcp.h b/include/net/tcp.h index 4fee0424af7..e36c874c7fb 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -224,7 +224,7 @@ extern int sysctl_tcp_fack; extern int sysctl_tcp_reordering; extern int sysctl_tcp_ecn; extern int sysctl_tcp_dsack; -extern int sysctl_tcp_mem[3]; +extern long sysctl_tcp_mem[3]; extern int sysctl_tcp_wmem[3]; extern int sysctl_tcp_rmem[3]; extern int sysctl_tcp_app_win; @@ -247,7 +247,7 @@ extern int sysctl_tcp_cookie_size; extern int sysctl_tcp_thin_linear_timeouts; extern int sysctl_tcp_thin_dupack; -extern atomic_t tcp_memory_allocated; +extern atomic_long_t tcp_memory_allocated; extern struct percpu_counter tcp_sockets_allocated; extern int tcp_memory_pressure; @@ -280,7 +280,7 @@ static inline bool tcp_too_many_orphans(struct sock *sk, int shift) } if (sk->sk_wmem_queued > SOCK_MIN_SNDBUF && - atomic_read(&tcp_memory_allocated) > sysctl_tcp_mem[2]) + atomic_long_read(&tcp_memory_allocated) > sysctl_tcp_mem[2]) return true; return false; } diff --git a/include/net/udp.h b/include/net/udp.h index 200b82848c9..bb967dd59bf 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -105,10 +105,10 @@ static inline struct udp_hslot *udp_hashslot2(struct udp_table *table, extern struct proto udp_prot; -extern atomic_t udp_memory_allocated; +extern atomic_long_t udp_memory_allocated; /* sysctl variables for udp */ -extern int sysctl_udp_mem[3]; +extern long sysctl_udp_mem[3]; extern int sysctl_udp_rmem_min; extern int sysctl_udp_wmem_min; diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index f986ab7ffe6..5c4c1678f7b 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -1006,8 +1006,7 @@ void fc_fcp_destroy(struct fc_lport *); /* * SCSI INTERACTION LAYER *****************************/ -int fc_queuecommand(struct scsi_cmnd *, - void (*done)(struct scsi_cmnd *)); +int fc_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); int fc_eh_abort(struct scsi_cmnd *); int fc_eh_device_reset(struct scsi_cmnd *); int fc_eh_host_reset(struct scsi_cmnd *); diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index ae5196aae1a..b81d969ddc6 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -341,8 +341,7 @@ extern int iscsi_eh_abort(struct scsi_cmnd *sc); extern int iscsi_eh_recover_target(struct scsi_cmnd *sc); extern int iscsi_eh_session_reset(struct scsi_cmnd *sc); extern int iscsi_eh_device_reset(struct scsi_cmnd *sc); -extern int iscsi_queuecommand(struct scsi_cmnd *sc, - void (*done)(struct scsi_cmnd *)); +extern int iscsi_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *sc); /* * iSCSI host helpers. diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 3dec1949f69..90ce527ecf3 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -621,8 +621,7 @@ int sas_set_phy_speed(struct sas_phy *phy, int sas_phy_enable(struct sas_phy *phy, int enabled); int sas_phy_reset(struct sas_phy *phy, int hard_reset); int sas_queue_up(struct sas_task *task); -extern int sas_queuecommand(struct scsi_cmnd *, - void (*scsi_done)(struct scsi_cmnd *)); +extern int sas_queuecommand(struct Scsi_Host * ,struct scsi_cmnd *); extern int sas_target_alloc(struct scsi_target *); extern int sas_slave_alloc(struct scsi_device *); extern int sas_slave_configure(struct scsi_device *); diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index d0a6a845f20..e7e385842a3 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -127,8 +127,7 @@ struct scsi_host_template { * * STATUS: REQUIRED */ - int (* queuecommand)(struct scsi_cmnd *, - void (*done)(struct scsi_cmnd *)); + int (* queuecommand)(struct Scsi_Host *, struct scsi_cmnd *); /* * The transfer functions are used to queue a scsi command to @@ -505,6 +504,25 @@ struct scsi_host_template { }; /* + * Temporary #define for host lock push down. Can be removed when all + * drivers have been updated to take advantage of unlocked + * queuecommand. + * + */ +#define DEF_SCSI_QCMD(func_name) \ + int func_name(struct Scsi_Host *shost, struct scsi_cmnd *cmd) \ + { \ + unsigned long irq_flags; \ + int rc; \ + spin_lock_irqsave(shost->host_lock, irq_flags); \ + scsi_cmd_get_serial(shost, cmd); \ + rc = func_name##_lck (cmd, cmd->scsi_done); \ + spin_unlock_irqrestore(shost->host_lock, irq_flags); \ + return rc; \ + } + + +/* * shost state: If you alter this, you also need to alter scsi_sysfs.c * (for the ascii descriptions) and the state model enforcer: * scsi_host_set_state() @@ -752,6 +770,7 @@ extern struct Scsi_Host *scsi_host_get(struct Scsi_Host *); extern void scsi_host_put(struct Scsi_Host *t); extern struct Scsi_Host *scsi_host_lookup(unsigned short); extern const char *scsi_host_state_name(enum scsi_host_state); +extern void scsi_cmd_get_serial(struct Scsi_Host *, struct scsi_cmnd *); extern u64 scsi_calculate_bounce_limit(struct Scsi_Host *); diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 289010d3270..e5e345fb2a5 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -98,6 +98,103 @@ TRACE_EVENT(ext4_allocate_inode, (unsigned long) __entry->dir, __entry->mode) ); +TRACE_EVENT(ext4_evict_inode, + TP_PROTO(struct inode *inode), + + TP_ARGS(inode), + + TP_STRUCT__entry( + __field( int, dev_major ) + __field( int, dev_minor ) + __field( ino_t, ino ) + __field( int, nlink ) + ), + + TP_fast_assign( + __entry->dev_major = MAJOR(inode->i_sb->s_dev); + __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->ino = inode->i_ino; + __entry->nlink = inode->i_nlink; + ), + + TP_printk("dev %d,%d ino %lu nlink %d", + __entry->dev_major, __entry->dev_minor, + (unsigned long) __entry->ino, __entry->nlink) +); + +TRACE_EVENT(ext4_drop_inode, + TP_PROTO(struct inode *inode, int drop), + + TP_ARGS(inode, drop), + + TP_STRUCT__entry( + __field( int, dev_major ) + __field( int, dev_minor ) + __field( ino_t, ino ) + __field( int, drop ) + ), + + TP_fast_assign( + __entry->dev_major = MAJOR(inode->i_sb->s_dev); + __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->ino = inode->i_ino; + __entry->drop = drop; + ), + + TP_printk("dev %d,%d ino %lu drop %d", + __entry->dev_major, __entry->dev_minor, + (unsigned long) __entry->ino, __entry->drop) +); + +TRACE_EVENT(ext4_mark_inode_dirty, + TP_PROTO(struct inode *inode, unsigned long IP), + + TP_ARGS(inode, IP), + + TP_STRUCT__entry( + __field( int, dev_major ) + __field( int, dev_minor ) + __field( ino_t, ino ) + __field(unsigned long, ip ) + ), + + TP_fast_assign( + __entry->dev_major = MAJOR(inode->i_sb->s_dev); + __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->ino = inode->i_ino; + __entry->ip = IP; + ), + + TP_printk("dev %d,%d ino %lu caller %pF", + __entry->dev_major, __entry->dev_minor, + (unsigned long) __entry->ino, (void *)__entry->ip) +); + +TRACE_EVENT(ext4_begin_ordered_truncate, + TP_PROTO(struct inode *inode, loff_t new_size), + + TP_ARGS(inode, new_size), + + TP_STRUCT__entry( + __field( int, dev_major ) + __field( int, dev_minor ) + __field( ino_t, ino ) + __field( loff_t, new_size ) + ), + + TP_fast_assign( + __entry->dev_major = MAJOR(inode->i_sb->s_dev); + __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->ino = inode->i_ino; + __entry->new_size = new_size; + ), + + TP_printk("dev %d,%d ino %lu new_size %lld", + __entry->dev_major, __entry->dev_minor, + (unsigned long) __entry->ino, + (long long) __entry->new_size) +); + DECLARE_EVENT_CLASS(ext4__write_begin, TP_PROTO(struct inode *inode, loff_t pos, unsigned int len, diff --git a/include/xen/interface/memory.h b/include/xen/interface/memory.h index d7a6c13bde6..eac3ce15371 100644 --- a/include/xen/interface/memory.h +++ b/include/xen/interface/memory.h @@ -141,6 +141,19 @@ struct xen_machphys_mfn_list { DEFINE_GUEST_HANDLE_STRUCT(xen_machphys_mfn_list); /* + * Returns the location in virtual address space of the machine_to_phys + * mapping table. Architectures which do not have a m2p table, or which do not + * map it by default into guest address space, do not implement this command. + * arg == addr of xen_machphys_mapping_t. + */ +#define XENMEM_machphys_mapping 12 +struct xen_machphys_mapping { + unsigned long v_start, v_end; /* Start and end virtual addresses. */ + unsigned long max_mfn; /* Maximum MFN that can be looked up. */ +}; +DEFINE_GUEST_HANDLE_STRUCT(xen_machphys_mapping_t); + +/* * Sets the GPFN at which a particular page appears in the specified guest's * pseudophysical address space. * arg == addr of xen_add_to_physmap_t. diff --git a/include/xen/page.h b/include/xen/page.h index eaf85fab126..0be36b976f4 100644 --- a/include/xen/page.h +++ b/include/xen/page.h @@ -1 +1,8 @@ +#ifndef _XEN_PAGE_H +#define _XEN_PAGE_H + #include <asm/xen/page.h> + +extern phys_addr_t xen_extra_mem_start, xen_extra_mem_size; + +#endif /* _XEN_PAGE_H */ diff --git a/include/xen/privcmd.h b/include/xen/privcmd.h index b42cdfd92fe..17857fb4d55 100644 --- a/include/xen/privcmd.h +++ b/include/xen/privcmd.h @@ -34,13 +34,10 @@ #define __LINUX_PUBLIC_PRIVCMD_H__ #include <linux/types.h> +#include <linux/compiler.h> typedef unsigned long xen_pfn_t; -#ifndef __user -#define __user -#endif - struct privcmd_hypercall { __u64 op; __u64 arg[5]; diff --git a/init/main.c b/init/main.c index e59af24a0b7..8646401f7a0 100644 --- a/init/main.c +++ b/init/main.c @@ -20,7 +20,6 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/initrd.h> #include <linux/bootmem.h> #include <linux/acpi.h> diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index 37755d62192..a6e72976682 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -82,7 +82,7 @@ static kdbtab_t kdb_base_commands[50]; #define for_each_kdbcmd(cmd, num) \ for ((cmd) = kdb_base_commands, (num) = 0; \ num < kdb_max_commands; \ - num == KDB_BASE_CMD_MAX ? cmd = kdb_commands : cmd++, num++) + num++, num == KDB_BASE_CMD_MAX ? cmd = kdb_commands : cmd++) typedef struct _kdbmsg { int km_diag; /* kdb diagnostic */ @@ -646,7 +646,7 @@ static int kdb_defcmd2(const char *cmdstr, const char *argv0) } if (!s->usable) return KDB_NOTIMP; - s->command = kmalloc((s->count + 1) * sizeof(*(s->command)), GFP_KDB); + s->command = kzalloc((s->count + 1) * sizeof(*(s->command)), GFP_KDB); if (!s->command) { kdb_printf("Could not allocate new kdb_defcmd table for %s\n", cmdstr); @@ -2361,7 +2361,7 @@ static int kdb_pid(int argc, const char **argv) */ static int kdb_ll(int argc, const char **argv) { - int diag; + int diag = 0; unsigned long addr; long offset = 0; unsigned long va; @@ -2400,20 +2400,21 @@ static int kdb_ll(int argc, const char **argv) char buf[80]; if (KDB_FLAG(CMD_INTERRUPT)) - return 0; + goto out; sprintf(buf, "%s " kdb_machreg_fmt "\n", command, va); diag = kdb_parse(buf); if (diag) - return diag; + goto out; addr = va + linkoffset; if (kdb_getword(&va, addr, sizeof(va))) - return 0; + goto out; } - kfree(command); - return 0; +out: + kfree(command); + return diag; } static int kdb_kgdb(int argc, const char **argv) @@ -2739,13 +2740,13 @@ int kdb_register_repeat(char *cmd, } if (kdb_commands) { memcpy(new, kdb_commands, - kdb_max_commands * sizeof(*new)); + (kdb_max_commands - KDB_BASE_CMD_MAX) * sizeof(*new)); kfree(kdb_commands); } memset(new + kdb_max_commands, 0, kdb_command_extend * sizeof(*new)); kdb_commands = new; - kp = kdb_commands + kdb_max_commands; + kp = kdb_commands + kdb_max_commands - KDB_BASE_CMD_MAX; kdb_max_commands += kdb_command_extend; } diff --git a/kernel/exit.c b/kernel/exit.c index b194febf579..21aa7b3001f 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -96,6 +96,14 @@ static void __exit_signal(struct task_struct *tsk) sig->tty = NULL; } else { /* + * This can only happen if the caller is de_thread(). + * FIXME: this is the temporary hack, we should teach + * posix-cpu-timers to handle this case correctly. + */ + if (unlikely(has_group_leader_pid(tsk))) + posix_cpu_timers_exit_group(tsk); + + /* * If there is any task waiting for the group exit * then notify it: */ diff --git a/kernel/futex.c b/kernel/futex.c index 6c683b37f2c..40a8777a27d 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -2489,7 +2489,8 @@ void exit_robust_list(struct task_struct *curr) { struct robust_list_head __user *head = curr->robust_list; struct robust_list __user *entry, *next_entry, *pending; - unsigned int limit = ROBUST_LIST_LIMIT, pi, next_pi, pip; + unsigned int limit = ROBUST_LIST_LIMIT, pi, pip; + unsigned int uninitialized_var(next_pi); unsigned long futex_offset; int rc; diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c index 06da4dfc339..a7934ac75e5 100644 --- a/kernel/futex_compat.c +++ b/kernel/futex_compat.c @@ -49,7 +49,8 @@ void compat_exit_robust_list(struct task_struct *curr) { struct compat_robust_list_head __user *head = curr->compat_robust_list; struct robust_list __user *entry, *next_entry, *pending; - unsigned int limit = ROBUST_LIST_LIMIT, pi, next_pi, pip; + unsigned int limit = ROBUST_LIST_LIMIT, pi, pip; + unsigned int uninitialized_var(next_pi); compat_uptr_t uentry, next_uentry, upending; compat_long_t futex_offset; int rc; diff --git a/kernel/latencytop.c b/kernel/latencytop.c index 877fb306d41..17110a4a4fc 100644 --- a/kernel/latencytop.c +++ b/kernel/latencytop.c @@ -194,14 +194,7 @@ __account_scheduler_latency(struct task_struct *tsk, int usecs, int inter) account_global_scheduler_latency(tsk, &lat); - /* - * short term hack; if we're > 32 we stop; future we recycle: - */ - tsk->latency_record_count++; - if (tsk->latency_record_count >= LT_SAVECOUNT) - goto out_unlock; - - for (i = 0; i < LT_SAVECOUNT; i++) { + for (i = 0; i < tsk->latency_record_count; i++) { struct latency_record *mylat; int same = 1; @@ -227,8 +220,14 @@ __account_scheduler_latency(struct task_struct *tsk, int usecs, int inter) } } + /* + * short term hack; if we're > 32 we stop; future we recycle: + */ + if (tsk->latency_record_count >= LT_SAVECOUNT) + goto out_unlock; + /* Allocated a new one: */ - i = tsk->latency_record_count; + i = tsk->latency_record_count++; memcpy(&tsk->latency_record[i], &lat, sizeof(struct latency_record)); out_unlock: diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 517d827f498..cb6c0d2af68 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -674,6 +674,8 @@ event_sched_in(struct perf_event *event, event->tstamp_running += ctx->time - event->tstamp_stopped; + event->shadow_ctx_time = ctx->time - ctx->timestamp; + if (!is_software_event(event)) cpuctx->active_oncpu++; ctx->nr_active++; @@ -3396,7 +3398,8 @@ static u32 perf_event_tid(struct perf_event *event, struct task_struct *p) } static void perf_output_read_one(struct perf_output_handle *handle, - struct perf_event *event) + struct perf_event *event, + u64 enabled, u64 running) { u64 read_format = event->attr.read_format; u64 values[4]; @@ -3404,11 +3407,11 @@ static void perf_output_read_one(struct perf_output_handle *handle, values[n++] = perf_event_count(event); if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) { - values[n++] = event->total_time_enabled + + values[n++] = enabled + atomic64_read(&event->child_total_time_enabled); } if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) { - values[n++] = event->total_time_running + + values[n++] = running + atomic64_read(&event->child_total_time_running); } if (read_format & PERF_FORMAT_ID) @@ -3421,7 +3424,8 @@ static void perf_output_read_one(struct perf_output_handle *handle, * XXX PERF_FORMAT_GROUP vs inherited events seems difficult. */ static void perf_output_read_group(struct perf_output_handle *handle, - struct perf_event *event) + struct perf_event *event, + u64 enabled, u64 running) { struct perf_event *leader = event->group_leader, *sub; u64 read_format = event->attr.read_format; @@ -3431,10 +3435,10 @@ static void perf_output_read_group(struct perf_output_handle *handle, values[n++] = 1 + leader->nr_siblings; if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) - values[n++] = leader->total_time_enabled; + values[n++] = enabled; if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) - values[n++] = leader->total_time_running; + values[n++] = running; if (leader != event) leader->pmu->read(leader); @@ -3459,13 +3463,35 @@ static void perf_output_read_group(struct perf_output_handle *handle, } } +#define PERF_FORMAT_TOTAL_TIMES (PERF_FORMAT_TOTAL_TIME_ENABLED|\ + PERF_FORMAT_TOTAL_TIME_RUNNING) + static void perf_output_read(struct perf_output_handle *handle, struct perf_event *event) { + u64 enabled = 0, running = 0, now, ctx_time; + u64 read_format = event->attr.read_format; + + /* + * compute total_time_enabled, total_time_running + * based on snapshot values taken when the event + * was last scheduled in. + * + * we cannot simply called update_context_time() + * because of locking issue as we are called in + * NMI context + */ + if (read_format & PERF_FORMAT_TOTAL_TIMES) { + now = perf_clock(); + ctx_time = event->shadow_ctx_time + now; + enabled = ctx_time - event->tstamp_enabled; + running = ctx_time - event->tstamp_running; + } + if (event->attr.read_format & PERF_FORMAT_GROUP) - perf_output_read_group(handle, event); + perf_output_read_group(handle, event, enabled, running); else - perf_output_read_one(handle, event); + perf_output_read_one(handle, event, enabled, running); } void perf_output_sample(struct perf_output_handle *handle, diff --git a/kernel/pm_qos_params.c b/kernel/pm_qos_params.c index c7a8f453919..aeaa7f84682 100644 --- a/kernel/pm_qos_params.c +++ b/kernel/pm_qos_params.c @@ -121,10 +121,10 @@ static inline int pm_qos_get_value(struct pm_qos_object *o) switch (o->type) { case PM_QOS_MIN: - return plist_last(&o->requests)->prio; + return plist_first(&o->requests)->prio; case PM_QOS_MAX: - return plist_first(&o->requests)->prio; + return plist_last(&o->requests)->prio; default: /* runtime check for not using enum */ diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index 29bff6117ab..a5aff3ebad3 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -246,9 +246,13 @@ config PM_OPS depends on PM_SLEEP || PM_RUNTIME default y +config ARCH_HAS_OPP + bool + config PM_OPP bool "Operating Performance Point (OPP) Layer library" depends on PM + depends on ARCH_HAS_OPP ---help--- SOCs have a standard set of tuples consisting of frequency and voltage pairs that the device will support per voltage domain. This diff --git a/kernel/printk.c b/kernel/printk.c index b2ebaee8c37..9a2264fc42c 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -261,6 +261,12 @@ static inline void boot_delay_msec(void) } #endif +#ifdef CONFIG_SECURITY_DMESG_RESTRICT +int dmesg_restrict = 1; +#else +int dmesg_restrict; +#endif + int do_syslog(int type, char __user *buf, int len, bool from_file) { unsigned i, j, limit, count; @@ -268,7 +274,20 @@ int do_syslog(int type, char __user *buf, int len, bool from_file) char c; int error = 0; - error = security_syslog(type, from_file); + /* + * If this is from /proc/kmsg we only do the capabilities checks + * at open time. + */ + if (type == SYSLOG_ACTION_OPEN || !from_file) { + if (dmesg_restrict && !capable(CAP_SYS_ADMIN)) + return -EPERM; + if ((type != SYSLOG_ACTION_READ_ALL && + type != SYSLOG_ACTION_SIZE_BUFFER) && + !capable(CAP_SYS_ADMIN)) + return -EPERM; + } + + error = security_syslog(type); if (error) return error; diff --git a/kernel/range.c b/kernel/range.c index 471b66acabb..37fa9b99ad5 100644 --- a/kernel/range.c +++ b/kernel/range.c @@ -119,7 +119,7 @@ static int cmp_range(const void *x1, const void *x2) int clean_sort_range(struct range *range, int az) { - int i, j, k = az - 1, nr_range = 0; + int i, j, k = az - 1, nr_range = az; for (i = 0; i < k; i++) { if (range[i].end) diff --git a/kernel/relay.c b/kernel/relay.c index c7cf397fb92..859ea5a9605 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -70,17 +70,10 @@ static const struct vm_operations_struct relay_file_mmap_ops = { */ static struct page **relay_alloc_page_array(unsigned int n_pages) { - struct page **array; - size_t pa_size = n_pages * sizeof(struct page *); - - if (pa_size > PAGE_SIZE) { - array = vmalloc(pa_size); - if (array) - memset(array, 0, pa_size); - } else { - array = kzalloc(pa_size, GFP_KERNEL); - } - return array; + const size_t pa_size = n_pages * sizeof(struct page *); + if (pa_size > PAGE_SIZE) + return vzalloc(pa_size); + return kzalloc(pa_size, GFP_KERNEL); } /* diff --git a/kernel/sched.c b/kernel/sched.c index aa14a56f9d0..dc91a4d09ac 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -560,18 +560,8 @@ struct rq { static DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues); -static inline -void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags) -{ - rq->curr->sched_class->check_preempt_curr(rq, p, flags); - /* - * A queue event has occurred, and we're going to schedule. In - * this case, we can save a useless back to back clock update. - */ - if (test_tsk_need_resched(p)) - rq->skip_clock_update = 1; -} +static void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags); static inline int cpu_of(struct rq *rq) { @@ -2118,6 +2108,31 @@ static inline void check_class_changed(struct rq *rq, struct task_struct *p, p->sched_class->prio_changed(rq, p, oldprio, running); } +static void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags) +{ + const struct sched_class *class; + + if (p->sched_class == rq->curr->sched_class) { + rq->curr->sched_class->check_preempt_curr(rq, p, flags); + } else { + for_each_class(class) { + if (class == rq->curr->sched_class) + break; + if (class == p->sched_class) { + resched_task(rq->curr); + break; + } + } + } + + /* + * A queue event has occurred, and we're going to schedule. In + * this case, we can save a useless back to back clock update. + */ + if (test_tsk_need_resched(rq->curr)) + rq->skip_clock_update = 1; +} + #ifdef CONFIG_SMP /* * Is this task likely cache-hot: @@ -6960,6 +6975,8 @@ static void init_sched_groups_power(int cpu, struct sched_domain *sd) if (cpu != group_first_cpu(sd->groups)) return; + sd->groups->group_weight = cpumask_weight(sched_group_cpus(sd->groups)); + child = sd->child; sd->groups->cpu_power = 0; diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index f4f6a8326dd..52ab113d8bb 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -1654,12 +1654,6 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_ struct cfs_rq *cfs_rq = task_cfs_rq(curr); int scale = cfs_rq->nr_running >= sched_nr_latency; - if (unlikely(rt_prio(p->prio))) - goto preempt; - - if (unlikely(p->sched_class != &fair_sched_class)) - return; - if (unlikely(se == pse)) return; @@ -2035,13 +2029,16 @@ struct sd_lb_stats { unsigned long this_load_per_task; unsigned long this_nr_running; unsigned long this_has_capacity; + unsigned int this_idle_cpus; /* Statistics of the busiest group */ + unsigned int busiest_idle_cpus; unsigned long max_load; unsigned long busiest_load_per_task; unsigned long busiest_nr_running; unsigned long busiest_group_capacity; unsigned long busiest_has_capacity; + unsigned int busiest_group_weight; int group_imb; /* Is there imbalance in this sd */ #if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT) @@ -2063,6 +2060,8 @@ struct sg_lb_stats { unsigned long sum_nr_running; /* Nr tasks running in the group */ unsigned long sum_weighted_load; /* Weighted load of group's tasks */ unsigned long group_capacity; + unsigned long idle_cpus; + unsigned long group_weight; int group_imb; /* Is there an imbalance in the group ? */ int group_has_capacity; /* Is there extra capacity in the group? */ }; @@ -2431,7 +2430,8 @@ static inline void update_sg_lb_stats(struct sched_domain *sd, sgs->group_load += load; sgs->sum_nr_running += rq->nr_running; sgs->sum_weighted_load += weighted_cpuload(i); - + if (idle_cpu(i)) + sgs->idle_cpus++; } /* @@ -2469,6 +2469,7 @@ static inline void update_sg_lb_stats(struct sched_domain *sd, sgs->group_capacity = DIV_ROUND_CLOSEST(group->cpu_power, SCHED_LOAD_SCALE); if (!sgs->group_capacity) sgs->group_capacity = fix_small_capacity(sd, group); + sgs->group_weight = group->group_weight; if (sgs->group_capacity > sgs->sum_nr_running) sgs->group_has_capacity = 1; @@ -2576,13 +2577,16 @@ static inline void update_sd_lb_stats(struct sched_domain *sd, int this_cpu, sds->this_nr_running = sgs.sum_nr_running; sds->this_load_per_task = sgs.sum_weighted_load; sds->this_has_capacity = sgs.group_has_capacity; + sds->this_idle_cpus = sgs.idle_cpus; } else if (update_sd_pick_busiest(sd, sds, sg, &sgs, this_cpu)) { sds->max_load = sgs.avg_load; sds->busiest = sg; sds->busiest_nr_running = sgs.sum_nr_running; + sds->busiest_idle_cpus = sgs.idle_cpus; sds->busiest_group_capacity = sgs.group_capacity; sds->busiest_load_per_task = sgs.sum_weighted_load; sds->busiest_has_capacity = sgs.group_has_capacity; + sds->busiest_group_weight = sgs.group_weight; sds->group_imb = sgs.group_imb; } @@ -2860,8 +2864,26 @@ find_busiest_group(struct sched_domain *sd, int this_cpu, if (sds.this_load >= sds.avg_load) goto out_balanced; - if (100 * sds.max_load <= sd->imbalance_pct * sds.this_load) - goto out_balanced; + /* + * In the CPU_NEWLY_IDLE, use imbalance_pct to be conservative. + * And to check for busy balance use !idle_cpu instead of + * CPU_NOT_IDLE. This is because HT siblings will use CPU_NOT_IDLE + * even when they are idle. + */ + if (idle == CPU_NEWLY_IDLE || !idle_cpu(this_cpu)) { + if (100 * sds.max_load <= sd->imbalance_pct * sds.this_load) + goto out_balanced; + } else { + /* + * This cpu is idle. If the busiest group load doesn't + * have more tasks than the number of available cpu's and + * there is no imbalance between this and busiest group + * wrt to idle cpu's, it is balanced. + */ + if ((sds.this_idle_cpus <= sds.busiest_idle_cpus + 1) && + sds.busiest_nr_running <= sds.busiest_group_weight) + goto out_balanced; + } force_balance: /* Looks like there is an imbalance. Compute it */ diff --git a/kernel/sched_stoptask.c b/kernel/sched_stoptask.c index 45bddc0c104..2bf6b47058c 100644 --- a/kernel/sched_stoptask.c +++ b/kernel/sched_stoptask.c @@ -19,14 +19,14 @@ select_task_rq_stop(struct rq *rq, struct task_struct *p, static void check_preempt_curr_stop(struct rq *rq, struct task_struct *p, int flags) { - resched_task(rq->curr); /* we preempt everything */ + /* we're never preempted */ } static struct task_struct *pick_next_task_stop(struct rq *rq) { struct task_struct *stop = rq->stop; - if (stop && stop->state == TASK_RUNNING) + if (stop && stop->se.on_rq) return stop; return NULL; diff --git a/kernel/sysctl.c b/kernel/sysctl.c index c33a1edb799..5abfa151855 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -702,6 +702,15 @@ static struct ctl_table kern_table[] = { .extra1 = &zero, .extra2 = &ten_thousand, }, + { + .procname = "dmesg_restrict", + .data = &dmesg_restrict, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = &zero, + .extra2 = &one, + }, #endif { .procname = "ngroups_max", diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index e04b8bcdef8..ea37e2ff416 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -126,7 +126,7 @@ if FTRACE config FUNCTION_TRACER bool "Kernel Function Tracer" depends on HAVE_FUNCTION_TRACER - select FRAME_POINTER if (!ARM_UNWIND) + select FRAME_POINTER if !ARM_UNWIND && !S390 select KALLSYMS select GENERIC_TRACER select CONTEXT_SWITCH_TRACER diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index bc251ed6672..7b8ec028154 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -168,7 +168,6 @@ static int act_log_check(struct blk_trace *bt, u32 what, sector_t sector, static const u32 ddir_act[2] = { BLK_TC_ACT(BLK_TC_READ), BLK_TC_ACT(BLK_TC_WRITE) }; -#define BLK_TC_HARDBARRIER BLK_TC_BARRIER #define BLK_TC_RAHEAD BLK_TC_AHEAD /* The ilog2() calls fall out because they're constant */ @@ -196,7 +195,6 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes, return; what |= ddir_act[rw & WRITE]; - what |= MASK_TC_BIT(rw, HARDBARRIER); what |= MASK_TC_BIT(rw, SYNC); what |= MASK_TC_BIT(rw, RAHEAD); what |= MASK_TC_BIT(rw, META); @@ -1807,8 +1805,6 @@ void blk_fill_rwbs(char *rwbs, u32 rw, int bytes) if (rw & REQ_RAHEAD) rwbs[i++] = 'A'; - if (rw & REQ_HARDBARRIER) - rwbs[i++] = 'B'; if (rw & REQ_SYNC) rwbs[i++] = 'S'; if (rw & REQ_META) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 82d9b8106cd..04208415798 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -17,7 +17,6 @@ #include <linux/writeback.h> #include <linux/kallsyms.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <linux/notifier.h> #include <linux/irqflags.h> #include <linux/debugfs.h> diff --git a/kernel/watchdog.c b/kernel/watchdog.c index bafba687a6d..6e3c41a4024 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -43,7 +43,7 @@ static DEFINE_PER_CPU(unsigned long, hrtimer_interrupts_saved); static DEFINE_PER_CPU(struct perf_event *, watchdog_ev); #endif -static int __initdata no_watchdog; +static int no_watchdog; /* boot commands */ diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 6f412ab4c24..5086bb962b4 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -82,6 +82,16 @@ struct radix_tree_preload { }; static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, }; +static inline void *ptr_to_indirect(void *ptr) +{ + return (void *)((unsigned long)ptr | RADIX_TREE_INDIRECT_PTR); +} + +static inline void *indirect_to_ptr(void *ptr) +{ + return (void *)((unsigned long)ptr & ~RADIX_TREE_INDIRECT_PTR); +} + static inline gfp_t root_gfp_mask(struct radix_tree_root *root) { return root->gfp_mask & __GFP_BITS_MASK; @@ -265,7 +275,7 @@ static int radix_tree_extend(struct radix_tree_root *root, unsigned long index) return -ENOMEM; /* Increase the height. */ - node->slots[0] = radix_tree_indirect_to_ptr(root->rnode); + node->slots[0] = indirect_to_ptr(root->rnode); /* Propagate the aggregated tag info into the new root */ for (tag = 0; tag < RADIX_TREE_MAX_TAGS; tag++) { @@ -276,7 +286,7 @@ static int radix_tree_extend(struct radix_tree_root *root, unsigned long index) newheight = root->height+1; node->height = newheight; node->count = 1; - node = radix_tree_ptr_to_indirect(node); + node = ptr_to_indirect(node); rcu_assign_pointer(root->rnode, node); root->height = newheight; } while (height > root->height); @@ -309,7 +319,7 @@ int radix_tree_insert(struct radix_tree_root *root, return error; } - slot = radix_tree_indirect_to_ptr(root->rnode); + slot = indirect_to_ptr(root->rnode); height = root->height; shift = (height-1) * RADIX_TREE_MAP_SHIFT; @@ -325,8 +335,7 @@ int radix_tree_insert(struct radix_tree_root *root, rcu_assign_pointer(node->slots[offset], slot); node->count++; } else - rcu_assign_pointer(root->rnode, - radix_tree_ptr_to_indirect(slot)); + rcu_assign_pointer(root->rnode, ptr_to_indirect(slot)); } /* Go a level down */ @@ -374,7 +383,7 @@ static void *radix_tree_lookup_element(struct radix_tree_root *root, return NULL; return is_slot ? (void *)&root->rnode : node; } - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); height = node->height; if (index > radix_tree_maxindex(height)) @@ -393,7 +402,7 @@ static void *radix_tree_lookup_element(struct radix_tree_root *root, height--; } while (height > 0); - return is_slot ? (void *)slot:node; + return is_slot ? (void *)slot : indirect_to_ptr(node); } /** @@ -455,7 +464,7 @@ void *radix_tree_tag_set(struct radix_tree_root *root, height = root->height; BUG_ON(index > radix_tree_maxindex(height)); - slot = radix_tree_indirect_to_ptr(root->rnode); + slot = indirect_to_ptr(root->rnode); shift = (height - 1) * RADIX_TREE_MAP_SHIFT; while (height > 0) { @@ -509,7 +518,7 @@ void *radix_tree_tag_clear(struct radix_tree_root *root, shift = (height - 1) * RADIX_TREE_MAP_SHIFT; pathp->node = NULL; - slot = radix_tree_indirect_to_ptr(root->rnode); + slot = indirect_to_ptr(root->rnode); while (height > 0) { int offset; @@ -579,7 +588,7 @@ int radix_tree_tag_get(struct radix_tree_root *root, if (!radix_tree_is_indirect_ptr(node)) return (index == 0); - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); height = node->height; if (index > radix_tree_maxindex(height)) @@ -666,7 +675,7 @@ unsigned long radix_tree_range_tag_if_tagged(struct radix_tree_root *root, } shift = (height - 1) * RADIX_TREE_MAP_SHIFT; - slot = radix_tree_indirect_to_ptr(root->rnode); + slot = indirect_to_ptr(root->rnode); /* * we fill the path from (root->height - 2) to 0, leaving the index at @@ -897,7 +906,7 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results, results[0] = node; return 1; } - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); max_index = radix_tree_maxindex(node->height); @@ -916,7 +925,8 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results, slot = *(((void ***)results)[ret + i]); if (!slot) continue; - results[ret + nr_found] = rcu_dereference_raw(slot); + results[ret + nr_found] = + indirect_to_ptr(rcu_dereference_raw(slot)); nr_found++; } ret += nr_found; @@ -965,7 +975,7 @@ radix_tree_gang_lookup_slot(struct radix_tree_root *root, void ***results, results[0] = (void **)&root->rnode; return 1; } - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); max_index = radix_tree_maxindex(node->height); @@ -1090,7 +1100,7 @@ radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results, results[0] = node; return 1; } - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); max_index = radix_tree_maxindex(node->height); @@ -1109,7 +1119,8 @@ radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results, slot = *(((void ***)results)[ret + i]); if (!slot) continue; - results[ret + nr_found] = rcu_dereference_raw(slot); + results[ret + nr_found] = + indirect_to_ptr(rcu_dereference_raw(slot)); nr_found++; } ret += nr_found; @@ -1159,7 +1170,7 @@ radix_tree_gang_lookup_tag_slot(struct radix_tree_root *root, void ***results, results[0] = (void **)&root->rnode; return 1; } - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); max_index = radix_tree_maxindex(node->height); @@ -1195,7 +1206,7 @@ static inline void radix_tree_shrink(struct radix_tree_root *root) void *newptr; BUG_ON(!radix_tree_is_indirect_ptr(to_free)); - to_free = radix_tree_indirect_to_ptr(to_free); + to_free = indirect_to_ptr(to_free); /* * The candidate node has more than one child, or its child @@ -1208,16 +1219,39 @@ static inline void radix_tree_shrink(struct radix_tree_root *root) /* * We don't need rcu_assign_pointer(), since we are simply - * moving the node from one part of the tree to another. If - * it was safe to dereference the old pointer to it + * moving the node from one part of the tree to another: if it + * was safe to dereference the old pointer to it * (to_free->slots[0]), it will be safe to dereference the new - * one (root->rnode). + * one (root->rnode) as far as dependent read barriers go. */ newptr = to_free->slots[0]; if (root->height > 1) - newptr = radix_tree_ptr_to_indirect(newptr); + newptr = ptr_to_indirect(newptr); root->rnode = newptr; root->height--; + + /* + * We have a dilemma here. The node's slot[0] must not be + * NULLed in case there are concurrent lookups expecting to + * find the item. However if this was a bottom-level node, + * then it may be subject to the slot pointer being visible + * to callers dereferencing it. If item corresponding to + * slot[0] is subsequently deleted, these callers would expect + * their slot to become empty sooner or later. + * + * For example, lockless pagecache will look up a slot, deref + * the page pointer, and if the page is 0 refcount it means it + * was concurrently deleted from pagecache so try the deref + * again. Fortunately there is already a requirement for logic + * to retry the entire slot lookup -- the indirect pointer + * problem (replacing direct root node with an indirect pointer + * also results in a stale slot). So tag the slot as indirect + * to force callers to retry. + */ + if (root->height == 0) + *((unsigned long *)&to_free->slots[0]) |= + RADIX_TREE_INDIRECT_PTR; + radix_tree_node_free(to_free); } } @@ -1254,7 +1288,7 @@ void *radix_tree_delete(struct radix_tree_root *root, unsigned long index) root->rnode = NULL; goto out; } - slot = radix_tree_indirect_to_ptr(slot); + slot = indirect_to_ptr(slot); shift = (height - 1) * RADIX_TREE_MAP_SHIFT; pathp->node = NULL; @@ -1296,8 +1330,7 @@ void *radix_tree_delete(struct radix_tree_root *root, unsigned long index) radix_tree_node_free(to_free); if (pathp->node->count) { - if (pathp->node == - radix_tree_indirect_to_ptr(root->rnode)) + if (pathp->node == indirect_to_ptr(root->rnode)) radix_tree_shrink(root); goto out; } diff --git a/mm/filemap.c b/mm/filemap.c index 75572b5f237..ea89840fc65 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -644,7 +644,9 @@ repeat: pagep = radix_tree_lookup_slot(&mapping->page_tree, offset); if (pagep) { page = radix_tree_deref_slot(pagep); - if (unlikely(!page || page == RADIX_TREE_RETRY)) + if (unlikely(!page)) + goto out; + if (radix_tree_deref_retry(page)) goto repeat; if (!page_cache_get_speculative(page)) @@ -660,6 +662,7 @@ repeat: goto repeat; } } +out: rcu_read_unlock(); return page; @@ -777,12 +780,11 @@ repeat: page = radix_tree_deref_slot((void **)pages[i]); if (unlikely(!page)) continue; - /* - * this can only trigger if nr_found == 1, making livelock - * a non issue. - */ - if (unlikely(page == RADIX_TREE_RETRY)) + if (radix_tree_deref_retry(page)) { + if (ret) + start = pages[ret-1]->index; goto restart; + } if (!page_cache_get_speculative(page)) goto repeat; @@ -830,11 +832,7 @@ repeat: page = radix_tree_deref_slot((void **)pages[i]); if (unlikely(!page)) continue; - /* - * this can only trigger if nr_found == 1, making livelock - * a non issue. - */ - if (unlikely(page == RADIX_TREE_RETRY)) + if (radix_tree_deref_retry(page)) goto restart; if (page->mapping == NULL || page->index != index) @@ -887,11 +885,7 @@ repeat: page = radix_tree_deref_slot((void **)pages[i]); if (unlikely(!page)) continue; - /* - * this can only trigger if nr_found == 1, making livelock - * a non issue. - */ - if (unlikely(page == RADIX_TREE_RETRY)) + if (radix_tree_deref_retry(page)) goto restart; if (!page_cache_get_speculative(page)) @@ -1029,6 +1023,9 @@ find_page: goto page_not_up_to_date; if (!trylock_page(page)) goto page_not_up_to_date; + /* Did it get truncated before we got the lock? */ + if (!page->mapping) + goto page_not_up_to_date_locked; if (!mapping->a_ops->is_partially_uptodate(page, desc, offset)) goto page_not_up_to_date_locked; @@ -1563,8 +1560,10 @@ retry_find: goto no_cached_page; } - if (!lock_page_or_retry(page, vma->vm_mm, vmf->flags)) + if (!lock_page_or_retry(page, vma->vm_mm, vmf->flags)) { + page_cache_release(page); return ret | VM_FAULT_RETRY; + } /* Did it get truncated? */ if (unlikely(page->mapping != mapping)) { diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 9a99cfaf0a1..2efa8ea07ff 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4208,15 +4208,17 @@ static struct mem_cgroup *mem_cgroup_alloc(void) memset(mem, 0, size); mem->stat = alloc_percpu(struct mem_cgroup_stat_cpu); - if (!mem->stat) { - if (size < PAGE_SIZE) - kfree(mem); - else - vfree(mem); - mem = NULL; - } + if (!mem->stat) + goto out_free; spin_lock_init(&mem->pcp_counter_lock); return mem; + +out_free: + if (size < PAGE_SIZE) + kfree(mem); + else + vfree(mem); + return NULL; } /* diff --git a/mm/mprotect.c b/mm/mprotect.c index 2d1bf7cf885..4c513387309 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -211,6 +211,7 @@ success: mmu_notifier_invalidate_range_end(mm, start, end); vm_stat_account(mm, oldflags, vma->vm_file, -nrpages); vm_stat_account(mm, newflags, vma->vm_file, nrpages); + perf_event_mmap(vma); return 0; fail: @@ -299,7 +300,6 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, error = mprotect_fixup(vma, &prev, nstart, tmp, newflags); if (error) goto out; - perf_event_mmap(vma); nstart = tmp; if (nstart < prev->vm_end) diff --git a/mm/slub.c b/mm/slub.c index 8fd5401bb07..981fb730aa0 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3273,9 +3273,9 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size, kfree(n); kfree(s); } +err: up_write(&slub_lock); -err: if (flags & SLAB_PANIC) panic("Cannot create slabcache %s\n", name); else @@ -3862,6 +3862,7 @@ static ssize_t show_slab_objects(struct kmem_cache *s, x += sprintf(buf + x, " N%d=%lu", node, nodes[node]); #endif + up_read(&slub_lock); kfree(nodes); return x + sprintf(buf + x, "\n"); } diff --git a/mm/vmscan.c b/mm/vmscan.c index b8a6fdc2131..d31d7ce52c0 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -913,7 +913,7 @@ keep_lumpy: * back off and wait for congestion to clear because further reclaim * will encounter the same problem */ - if (nr_dirty == nr_congested) + if (nr_dirty == nr_congested && nr_dirty != 0) zone_set_flag(zone, ZONE_CONGESTED); free_page_list(&free_pages); diff --git a/mm/vmstat.c b/mm/vmstat.c index cd2e42be7b6..42eac4d3321 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -949,7 +949,7 @@ static void *vmstat_start(struct seq_file *m, loff_t *pos) v[PGPGIN] /= 2; /* sectors -> kbytes */ v[PGPGOUT] /= 2; #endif - return m->private + *pos; + return (unsigned long *)m->private + *pos; } static void *vmstat_next(struct seq_file *m, void *arg, loff_t *pos) diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 26eaebf4aaa..bb86d293239 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -1392,6 +1392,7 @@ static int ax25_getname(struct socket *sock, struct sockaddr *uaddr, ax25_cb *ax25; int err = 0; + memset(fsa, 0, sizeof(fsa)); lock_sock(sk); ax25 = ax25_sk(sk); @@ -1403,7 +1404,6 @@ static int ax25_getname(struct socket *sock, struct sockaddr *uaddr, fsa->fsa_ax25.sax25_family = AF_AX25; fsa->fsa_ax25.sax25_call = ax25->dest_addr; - fsa->fsa_ax25.sax25_ndigis = 0; if (ax25->digipeat != NULL) { ndigi = ax25->digipeat->ndigi; diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index bfef5bae0b3..84093b0000b 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1175,6 +1175,12 @@ static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES, sizeof(cp), &cp); + } else if (!ev->status && conn->out && + conn->sec_level == BT_SECURITY_HIGH) { + struct hci_cp_auth_requested cp; + cp.handle = ev->handle; + hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, + sizeof(cp), &cp); } else { conn->state = BT_CONNECTED; hci_proto_connect_cfm(conn, ev->status); diff --git a/net/bluetooth/hidp/Kconfig b/net/bluetooth/hidp/Kconfig index 98fdfa1fbdd..86a91543172 100644 --- a/net/bluetooth/hidp/Kconfig +++ b/net/bluetooth/hidp/Kconfig @@ -1,6 +1,6 @@ config BT_HIDP tristate "HIDP protocol support" - depends on BT && BT_L2CAP && INPUT + depends on BT && BT_L2CAP && INPUT && HID_SUPPORT select HID help HIDP (Human Interface Device Protocol) is a transport layer diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index daa7a988d9a..cd8f6ea0384 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -2421,11 +2421,11 @@ static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen, unsigned break; case 2: - *val = __le16_to_cpu(*((__le16 *) opt->val)); + *val = get_unaligned_le16(opt->val); break; case 4: - *val = __le32_to_cpu(*((__le32 *) opt->val)); + *val = get_unaligned_le32(opt->val); break; default: @@ -2452,11 +2452,11 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val) break; case 2: - *((__le16 *) opt->val) = cpu_to_le16(val); + put_unaligned_le16(val, opt->val); break; case 4: - *((__le32 *) opt->val) = cpu_to_le32(val); + put_unaligned_le32(val, opt->val); break; default: diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index 39a5d87e33b..fa642aa652b 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -79,7 +79,10 @@ static void rfcomm_make_uih(struct sk_buff *skb, u8 addr); static void rfcomm_process_connect(struct rfcomm_session *s); -static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst, int *err); +static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, + bdaddr_t *dst, + u8 sec_level, + int *err); static struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst); static void rfcomm_session_del(struct rfcomm_session *s); @@ -401,7 +404,7 @@ static int __rfcomm_dlc_open(struct rfcomm_dlc *d, bdaddr_t *src, bdaddr_t *dst, s = rfcomm_session_get(src, dst); if (!s) { - s = rfcomm_session_create(src, dst, &err); + s = rfcomm_session_create(src, dst, d->sec_level, &err); if (!s) return err; } @@ -679,7 +682,10 @@ static void rfcomm_session_close(struct rfcomm_session *s, int err) rfcomm_session_put(s); } -static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst, int *err) +static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, + bdaddr_t *dst, + u8 sec_level, + int *err) { struct rfcomm_session *s = NULL; struct sockaddr_l2 addr; @@ -704,6 +710,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst sk = sock->sk; lock_sock(sk); l2cap_pi(sk)->imtu = l2cap_mtu; + l2cap_pi(sk)->sec_level = sec_level; if (l2cap_ertm) l2cap_pi(sk)->mode = L2CAP_MODE_ERTM; release_sock(sk); diff --git a/net/caif/caif_config_util.c b/net/caif/caif_config_util.c index 76ae68303d3..d522d8c1703 100644 --- a/net/caif/caif_config_util.c +++ b/net/caif/caif_config_util.c @@ -16,11 +16,18 @@ int connect_req_to_link_param(struct cfcnfg *cnfg, { struct dev_info *dev_info; enum cfcnfg_phy_preference pref; + int res; + memset(l, 0, sizeof(*l)); - l->priority = s->priority; + /* In caif protocol low value is high priority */ + l->priority = CAIF_PRIO_MAX - s->priority + 1; - if (s->link_name[0] != '\0') - l->phyid = cfcnfg_get_named(cnfg, s->link_name); + if (s->ifindex != 0){ + res = cfcnfg_get_id_from_ifi(cnfg, s->ifindex); + if (res < 0) + return res; + l->phyid = res; + } else { switch (s->link_selector) { case CAIF_LINK_HIGH_BANDW: diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index b99369a055d..a42a408306e 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -307,6 +307,8 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what, case NETDEV_UNREGISTER: caifd = caif_get(dev); + if (caifd == NULL) + break; netdev_info(dev, "unregister\n"); atomic_set(&caifd->state, what); caif_device_destroy(dev); diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 2eca2dd0000..1bf0cf50379 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -716,8 +716,7 @@ static int setsockopt(struct socket *sock, { struct sock *sk = sock->sk; struct caifsock *cf_sk = container_of(sk, struct caifsock, sk); - int prio, linksel; - struct ifreq ifreq; + int linksel; if (cf_sk->sk.sk_socket->state != SS_UNCONNECTED) return -ENOPROTOOPT; @@ -735,33 +734,6 @@ static int setsockopt(struct socket *sock, release_sock(&cf_sk->sk); return 0; - case SO_PRIORITY: - if (lvl != SOL_SOCKET) - goto bad_sol; - if (ol < sizeof(int)) - return -EINVAL; - if (copy_from_user(&prio, ov, sizeof(int))) - return -EINVAL; - lock_sock(&(cf_sk->sk)); - cf_sk->conn_req.priority = prio; - release_sock(&cf_sk->sk); - return 0; - - case SO_BINDTODEVICE: - if (lvl != SOL_SOCKET) - goto bad_sol; - if (ol < sizeof(struct ifreq)) - return -EINVAL; - if (copy_from_user(&ifreq, ov, sizeof(ifreq))) - return -EFAULT; - lock_sock(&(cf_sk->sk)); - strncpy(cf_sk->conn_req.link_name, ifreq.ifr_name, - sizeof(cf_sk->conn_req.link_name)); - cf_sk->conn_req.link_name - [sizeof(cf_sk->conn_req.link_name)-1] = 0; - release_sock(&cf_sk->sk); - return 0; - case CAIFSO_REQ_PARAM: if (lvl != SOL_CAIF) goto bad_sol; @@ -880,6 +852,18 @@ static int caif_connect(struct socket *sock, struct sockaddr *uaddr, sock->state = SS_CONNECTING; sk->sk_state = CAIF_CONNECTING; + /* Check priority value comming from socket */ + /* if priority value is out of range it will be ajusted */ + if (cf_sk->sk.sk_priority > CAIF_PRIO_MAX) + cf_sk->conn_req.priority = CAIF_PRIO_MAX; + else if (cf_sk->sk.sk_priority < CAIF_PRIO_MIN) + cf_sk->conn_req.priority = CAIF_PRIO_MIN; + else + cf_sk->conn_req.priority = cf_sk->sk.sk_priority; + + /*ifindex = id of the interface.*/ + cf_sk->conn_req.ifindex = cf_sk->sk.sk_bound_dev_if; + dbfs_atomic_inc(&cnt.num_connect_req); cf_sk->layer.receive = caif_sktrecv_cb; err = caif_connect_client(&cf_sk->conn_req, @@ -905,6 +889,7 @@ static int caif_connect(struct socket *sock, struct sockaddr *uaddr, cf_sk->maxframe = mtu - (headroom + tailroom); if (cf_sk->maxframe < 1) { pr_warn("CAIF Interface MTU too small (%d)\n", dev->mtu); + err = -ENODEV; goto out; } @@ -1142,7 +1127,7 @@ static int caif_create(struct net *net, struct socket *sock, int protocol, set_rx_flow_on(cf_sk); /* Set default options on configuration */ - cf_sk->conn_req.priority = CAIF_PRIO_NORMAL; + cf_sk->sk.sk_priority= CAIF_PRIO_NORMAL; cf_sk->conn_req.link_selector = CAIF_LINK_LOW_LATENCY; cf_sk->conn_req.protocol = protocol; /* Increase the number of sockets created. */ diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c index 41adafd1891..21ede141018 100644 --- a/net/caif/cfcnfg.c +++ b/net/caif/cfcnfg.c @@ -173,18 +173,15 @@ static struct cfcnfg_phyinfo *cfcnfg_get_phyinfo(struct cfcnfg *cnfg, return NULL; } -int cfcnfg_get_named(struct cfcnfg *cnfg, char *name) + +int cfcnfg_get_id_from_ifi(struct cfcnfg *cnfg, int ifi) { int i; - - /* Try to match with specified name */ - for (i = 0; i < MAX_PHY_LAYERS; i++) { - if (cnfg->phy_layers[i].frm_layer != NULL - && strcmp(cnfg->phy_layers[i].phy_layer->name, - name) == 0) - return cnfg->phy_layers[i].frm_layer->id; - } - return 0; + for (i = 0; i < MAX_PHY_LAYERS; i++) + if (cnfg->phy_layers[i].frm_layer != NULL && + cnfg->phy_layers[i].ifindex == ifi) + return i; + return -ENODEV; } int cfcnfg_disconn_adapt_layer(struct cfcnfg *cnfg, struct cflayer *adap_layer) diff --git a/net/caif/cfctrl.c b/net/caif/cfctrl.c index 08f267a109a..3cd8f978e30 100644 --- a/net/caif/cfctrl.c +++ b/net/caif/cfctrl.c @@ -361,11 +361,10 @@ void cfctrl_cancel_req(struct cflayer *layr, struct cflayer *adap_layer) struct cfctrl_request_info *p, *tmp; struct cfctrl *ctrl = container_obj(layr); spin_lock(&ctrl->info_list_lock); - pr_warn("enter\n"); list_for_each_entry_safe(p, tmp, &ctrl->list, list) { if (p->client_layer == adap_layer) { - pr_warn("cancel req :%d\n", p->sequence_no); + pr_debug("cancel req :%d\n", p->sequence_no); list_del(&p->list); kfree(p); } diff --git a/net/caif/cfdbgl.c b/net/caif/cfdbgl.c index 496fda9ac66..11a2af4c162 100644 --- a/net/caif/cfdbgl.c +++ b/net/caif/cfdbgl.c @@ -12,6 +12,8 @@ #include <net/caif/cfsrvl.h> #include <net/caif/cfpkt.h> +#define container_obj(layr) ((struct cfsrvl *) layr) + static int cfdbgl_receive(struct cflayer *layr, struct cfpkt *pkt); static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt); @@ -38,5 +40,17 @@ static int cfdbgl_receive(struct cflayer *layr, struct cfpkt *pkt) static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt) { + struct cfsrvl *service = container_obj(layr); + struct caif_payload_info *info; + int ret; + + if (!cfsrvl_ready(service, &ret)) + return ret; + + /* Add info for MUX-layer to route the packet out */ + info = cfpkt_info(pkt); + info->channel_id = service->layer.id; + info->dev_info = &service->dev_info; + return layr->dn->transmit(layr->dn, pkt); } diff --git a/net/caif/cfrfml.c b/net/caif/cfrfml.c index bde8481e8d2..e2fb5fa7579 100644 --- a/net/caif/cfrfml.c +++ b/net/caif/cfrfml.c @@ -193,7 +193,7 @@ out: static int cfrfml_transmit_segment(struct cfrfml *rfml, struct cfpkt *pkt) { - caif_assert(cfpkt_getlen(pkt) >= rfml->fragment_size); + caif_assert(cfpkt_getlen(pkt) < rfml->fragment_size); /* Add info for MUX-layer to route the packet out. */ cfpkt_info(pkt)->channel_id = rfml->serv.layer.id; diff --git a/net/can/bcm.c b/net/can/bcm.c index 08ffe9e4be2..6faa8256e10 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -125,7 +125,7 @@ struct bcm_sock { struct list_head tx_ops; unsigned long dropped_usr_msgs; struct proc_dir_entry *bcm_proc_read; - char procname [9]; /* pointer printed in ASCII with \0 */ + char procname [20]; /* pointer printed in ASCII with \0 */ }; static inline struct bcm_sock *bcm_sk(const struct sock *sk) diff --git a/net/ceph/buffer.c b/net/ceph/buffer.c index 53d8abfa25d..bf3e6a13c21 100644 --- a/net/ceph/buffer.c +++ b/net/ceph/buffer.c @@ -19,7 +19,7 @@ struct ceph_buffer *ceph_buffer_new(size_t len, gfp_t gfp) if (b->vec.iov_base) { b->is_vmalloc = false; } else { - b->vec.iov_base = __vmalloc(len, gfp, PAGE_KERNEL); + b->vec.iov_base = __vmalloc(len, gfp | __GFP_HIGHMEM, PAGE_KERNEL); if (!b->vec.iov_base) { kfree(b); return NULL; diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 0e8157ee5d4..1c7a2ec4f3c 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -540,8 +540,7 @@ static void prepare_write_message(struct ceph_connection *con) /* initialize page iterator */ con->out_msg_pos.page = 0; if (m->pages) - con->out_msg_pos.page_pos = - le16_to_cpu(m->hdr.data_off) & ~PAGE_MASK; + con->out_msg_pos.page_pos = m->page_alignment; else con->out_msg_pos.page_pos = 0; con->out_msg_pos.data_pos = 0; @@ -1491,7 +1490,7 @@ static int read_partial_message(struct ceph_connection *con) struct ceph_msg *m = con->in_msg; int ret; int to, left; - unsigned front_len, middle_len, data_len, data_off; + unsigned front_len, middle_len, data_len; int datacrc = con->msgr->nocrc; int skip; u64 seq; @@ -1527,19 +1526,17 @@ static int read_partial_message(struct ceph_connection *con) data_len = le32_to_cpu(con->in_hdr.data_len); if (data_len > CEPH_MSG_MAX_DATA_LEN) return -EIO; - data_off = le16_to_cpu(con->in_hdr.data_off); /* verify seq# */ seq = le64_to_cpu(con->in_hdr.seq); if ((s64)seq - (s64)con->in_seq < 1) { - pr_info("skipping %s%lld %s seq %lld, expected %lld\n", + pr_info("skipping %s%lld %s seq %lld expected %lld\n", ENTITY_NAME(con->peer_name), ceph_pr_addr(&con->peer_addr.in_addr), seq, con->in_seq + 1); con->in_base_pos = -front_len - middle_len - data_len - sizeof(m->footer); con->in_tag = CEPH_MSGR_TAG_READY; - con->in_seq++; return 0; } else if ((s64)seq - (s64)con->in_seq > 1) { pr_err("read_partial_message bad seq %lld expected %lld\n", @@ -1576,7 +1573,7 @@ static int read_partial_message(struct ceph_connection *con) con->in_msg_pos.page = 0; if (m->pages) - con->in_msg_pos.page_pos = data_off & ~PAGE_MASK; + con->in_msg_pos.page_pos = m->page_alignment; else con->in_msg_pos.page_pos = 0; con->in_msg_pos.data_pos = 0; @@ -2301,6 +2298,7 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags) /* data */ m->nr_pages = 0; + m->page_alignment = 0; m->pages = NULL; m->pagelist = NULL; m->bio = NULL; @@ -2370,6 +2368,7 @@ static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con, type, front_len); return NULL; } + msg->page_alignment = le16_to_cpu(hdr->data_off); } memcpy(&msg->hdr, &con->in_hdr, sizeof(con->in_hdr)); diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 79391994b3e..3e20a122ffa 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -71,6 +71,7 @@ void ceph_calc_raw_layout(struct ceph_osd_client *osdc, op->extent.length = objlen; } req->r_num_pages = calc_pages_for(off, *plen); + req->r_page_alignment = off & ~PAGE_MASK; if (op->op == CEPH_OSD_OP_WRITE) op->payload_len = *plen; @@ -390,6 +391,8 @@ void ceph_osdc_build_request(struct ceph_osd_request *req, req->r_request->hdr.data_len = cpu_to_le32(data_len); } + req->r_request->page_alignment = req->r_page_alignment; + BUG_ON(p > msg->front.iov_base + msg->front.iov_len); msg_size = p - msg->front.iov_base; msg->front.iov_len = msg_size; @@ -419,7 +422,8 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, u32 truncate_seq, u64 truncate_size, struct timespec *mtime, - bool use_mempool, int num_reply) + bool use_mempool, int num_reply, + int page_align) { struct ceph_osd_req_op ops[3]; struct ceph_osd_request *req; @@ -447,6 +451,10 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, calc_layout(osdc, vino, layout, off, plen, req, ops); req->r_file_layout = *layout; /* keep a copy */ + /* in case it differs from natural alignment that calc_layout + filled in for us */ + req->r_page_alignment = page_align; + ceph_osdc_build_request(req, off, plen, ops, snapc, mtime, @@ -1489,7 +1497,7 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc, struct ceph_vino vino, struct ceph_file_layout *layout, u64 off, u64 *plen, u32 truncate_seq, u64 truncate_size, - struct page **pages, int num_pages) + struct page **pages, int num_pages, int page_align) { struct ceph_osd_request *req; int rc = 0; @@ -1499,15 +1507,15 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc, req = ceph_osdc_new_request(osdc, layout, vino, off, plen, CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ, NULL, 0, truncate_seq, truncate_size, NULL, - false, 1); + false, 1, page_align); if (!req) return -ENOMEM; /* it may be a short read due to an object boundary */ req->r_pages = pages; - dout("readpages final extent is %llu~%llu (%d pages)\n", - off, *plen, req->r_num_pages); + dout("readpages final extent is %llu~%llu (%d pages align %d)\n", + off, *plen, req->r_num_pages, page_align); rc = ceph_osdc_start_request(osdc, req, false); if (!rc) @@ -1533,6 +1541,7 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, { struct ceph_osd_request *req; int rc = 0; + int page_align = off & ~PAGE_MASK; BUG_ON(vino.snap != CEPH_NOSNAP); req = ceph_osdc_new_request(osdc, layout, vino, off, &len, @@ -1541,7 +1550,7 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, CEPH_OSD_FLAG_WRITE, snapc, do_sync, truncate_seq, truncate_size, mtime, - nofail, 1); + nofail, 1, page_align); if (!req) return -ENOMEM; @@ -1638,8 +1647,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con, m = ceph_msg_get(req->r_reply); if (data_len > 0) { - unsigned data_off = le16_to_cpu(hdr->data_off); - int want = calc_pages_for(data_off & ~PAGE_MASK, data_len); + int want = calc_pages_for(req->r_page_alignment, data_len); if (unlikely(req->r_num_pages < want)) { pr_warning("tid %lld reply %d > expected %d pages\n", @@ -1651,6 +1659,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con, } m->pages = req->r_pages; m->nr_pages = req->r_num_pages; + m->page_alignment = req->r_page_alignment; #ifdef CONFIG_BLOCK m->bio = req->r_bio; #endif diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c index 54caf068715..ac34feeb2b3 100644 --- a/net/ceph/pagevec.c +++ b/net/ceph/pagevec.c @@ -13,8 +13,7 @@ * build a vector of user pages */ struct page **ceph_get_direct_page_vector(const char __user *data, - int num_pages, - loff_t off, size_t len) + int num_pages) { struct page **pages; int rc; diff --git a/net/core/dev.c b/net/core/dev.c index 35dfb831848..0dd54a69dac 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2131,7 +2131,7 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev, } else { struct sock *sk = skb->sk; queue_index = sk_tx_queue_get(sk); - if (queue_index < 0) { + if (queue_index < 0 || queue_index >= dev->real_num_tx_queues) { queue_index = 0; if (dev->real_num_tx_queues > 1) diff --git a/net/core/dst.c b/net/core/dst.c index 8abe628b79f..b99c7c7ffce 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -370,6 +370,7 @@ static int dst_dev_event(struct notifier_block *this, unsigned long event, static struct notifier_block dst_dev_notifier = { .notifier_call = dst_dev_event, + .priority = -10, /* must be called after other network notifiers */ }; void __init dst_init(void) diff --git a/net/core/filter.c b/net/core/filter.c index 7beaec36b54..c1ee800bc08 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -112,39 +112,41 @@ EXPORT_SYMBOL(sk_filter); */ unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int flen) { - struct sock_filter *fentry; /* We walk down these */ void *ptr; u32 A = 0; /* Accumulator */ u32 X = 0; /* Index Register */ u32 mem[BPF_MEMWORDS]; /* Scratch Memory Store */ + unsigned long memvalid = 0; u32 tmp; int k; int pc; + BUILD_BUG_ON(BPF_MEMWORDS > BITS_PER_LONG); /* * Process array of filter instructions. */ for (pc = 0; pc < flen; pc++) { - fentry = &filter[pc]; + const struct sock_filter *fentry = &filter[pc]; + u32 f_k = fentry->k; switch (fentry->code) { case BPF_S_ALU_ADD_X: A += X; continue; case BPF_S_ALU_ADD_K: - A += fentry->k; + A += f_k; continue; case BPF_S_ALU_SUB_X: A -= X; continue; case BPF_S_ALU_SUB_K: - A -= fentry->k; + A -= f_k; continue; case BPF_S_ALU_MUL_X: A *= X; continue; case BPF_S_ALU_MUL_K: - A *= fentry->k; + A *= f_k; continue; case BPF_S_ALU_DIV_X: if (X == 0) @@ -152,49 +154,49 @@ unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int A /= X; continue; case BPF_S_ALU_DIV_K: - A /= fentry->k; + A /= f_k; continue; case BPF_S_ALU_AND_X: A &= X; continue; case BPF_S_ALU_AND_K: - A &= fentry->k; + A &= f_k; continue; case BPF_S_ALU_OR_X: A |= X; continue; case BPF_S_ALU_OR_K: - A |= fentry->k; + A |= f_k; continue; case BPF_S_ALU_LSH_X: A <<= X; continue; case BPF_S_ALU_LSH_K: - A <<= fentry->k; + A <<= f_k; continue; case BPF_S_ALU_RSH_X: A >>= X; continue; case BPF_S_ALU_RSH_K: - A >>= fentry->k; + A >>= f_k; continue; case BPF_S_ALU_NEG: A = -A; continue; case BPF_S_JMP_JA: - pc += fentry->k; + pc += f_k; continue; case BPF_S_JMP_JGT_K: - pc += (A > fentry->k) ? fentry->jt : fentry->jf; + pc += (A > f_k) ? fentry->jt : fentry->jf; continue; case BPF_S_JMP_JGE_K: - pc += (A >= fentry->k) ? fentry->jt : fentry->jf; + pc += (A >= f_k) ? fentry->jt : fentry->jf; continue; case BPF_S_JMP_JEQ_K: - pc += (A == fentry->k) ? fentry->jt : fentry->jf; + pc += (A == f_k) ? fentry->jt : fentry->jf; continue; case BPF_S_JMP_JSET_K: - pc += (A & fentry->k) ? fentry->jt : fentry->jf; + pc += (A & f_k) ? fentry->jt : fentry->jf; continue; case BPF_S_JMP_JGT_X: pc += (A > X) ? fentry->jt : fentry->jf; @@ -209,7 +211,7 @@ unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int pc += (A & X) ? fentry->jt : fentry->jf; continue; case BPF_S_LD_W_ABS: - k = fentry->k; + k = f_k; load_w: ptr = load_pointer(skb, k, 4, &tmp); if (ptr != NULL) { @@ -218,7 +220,7 @@ load_w: } break; case BPF_S_LD_H_ABS: - k = fentry->k; + k = f_k; load_h: ptr = load_pointer(skb, k, 2, &tmp); if (ptr != NULL) { @@ -227,7 +229,7 @@ load_h: } break; case BPF_S_LD_B_ABS: - k = fentry->k; + k = f_k; load_b: ptr = load_pointer(skb, k, 1, &tmp); if (ptr != NULL) { @@ -242,32 +244,34 @@ load_b: X = skb->len; continue; case BPF_S_LD_W_IND: - k = X + fentry->k; + k = X + f_k; goto load_w; case BPF_S_LD_H_IND: - k = X + fentry->k; + k = X + f_k; goto load_h; case BPF_S_LD_B_IND: - k = X + fentry->k; + k = X + f_k; goto load_b; case BPF_S_LDX_B_MSH: - ptr = load_pointer(skb, fentry->k, 1, &tmp); + ptr = load_pointer(skb, f_k, 1, &tmp); if (ptr != NULL) { X = (*(u8 *)ptr & 0xf) << 2; continue; } return 0; case BPF_S_LD_IMM: - A = fentry->k; + A = f_k; continue; case BPF_S_LDX_IMM: - X = fentry->k; + X = f_k; continue; case BPF_S_LD_MEM: - A = mem[fentry->k]; + A = (memvalid & (1UL << f_k)) ? + mem[f_k] : 0; continue; case BPF_S_LDX_MEM: - X = mem[fentry->k]; + X = (memvalid & (1UL << f_k)) ? + mem[f_k] : 0; continue; case BPF_S_MISC_TAX: X = A; @@ -276,14 +280,16 @@ load_b: A = X; continue; case BPF_S_RET_K: - return fentry->k; + return f_k; case BPF_S_RET_A: return A; case BPF_S_ST: - mem[fentry->k] = A; + memvalid |= 1UL << f_k; + mem[f_k] = A; continue; case BPF_S_STX: - mem[fentry->k] = X; + memvalid |= 1UL << f_k; + mem[f_k] = X; continue; default: WARN_ON(1); @@ -583,7 +589,7 @@ int sk_chk_filter(struct sock_filter *filter, int flen) EXPORT_SYMBOL(sk_chk_filter); /** - * sk_filter_rcu_release: Release a socket filter by rcu_head + * sk_filter_rcu_release - Release a socket filter by rcu_head * @rcu: rcu_head that contains the sk_filter to free */ static void sk_filter_rcu_release(struct rcu_head *rcu) diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index a5ff5a89f37..7f902cad10f 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -712,15 +712,21 @@ static void rx_queue_release(struct kobject *kobj) map = rcu_dereference_raw(queue->rps_map); - if (map) + if (map) { + RCU_INIT_POINTER(queue->rps_map, NULL); call_rcu(&map->rcu, rps_map_release); + } flow_table = rcu_dereference_raw(queue->rps_flow_table); - if (flow_table) + if (flow_table) { + RCU_INIT_POINTER(queue->rps_flow_table, NULL); call_rcu(&flow_table->rcu, rps_dev_flow_table_release); + } if (atomic_dec_and_test(&first->count)) kfree(first); + else + memset(kobj, 0, sizeof(*kobj)); } static struct kobj_type rx_queue_ktype = { diff --git a/net/core/pktgen.c b/net/core/pktgen.c index fbce4b05a53..33bc3823ac6 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -887,7 +887,7 @@ static ssize_t pktgen_if_write(struct file *file, i += len; if (debug) { - size_t copy = min(count, 1023); + size_t copy = min_t(size_t, count, 1023); char tb[copy + 1]; if (copy_from_user(tb, user_buffer, copy)) return -EFAULT; @@ -2612,8 +2612,8 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, /* Update any of the values, used when we're incrementing various * fields. */ - queue_map = pkt_dev->cur_queue_map; mod_cur_headers(pkt_dev); + queue_map = pkt_dev->cur_queue_map; datalen = (odev->hard_header_len + 16) & ~0xf; @@ -2976,8 +2976,8 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, /* Update any of the values, used when we're incrementing various * fields. */ - queue_map = pkt_dev->cur_queue_map; mod_cur_headers(pkt_dev); + queue_map = pkt_dev->cur_queue_map; skb = __netdev_alloc_skb(odev, pkt_dev->cur_pkt_size + 64 diff --git a/net/core/request_sock.c b/net/core/request_sock.c index 7552495aff7..fceeb37d716 100644 --- a/net/core/request_sock.c +++ b/net/core/request_sock.c @@ -45,9 +45,7 @@ int reqsk_queue_alloc(struct request_sock_queue *queue, nr_table_entries = roundup_pow_of_two(nr_table_entries + 1); lopt_size += nr_table_entries * sizeof(struct request_sock *); if (lopt_size > PAGE_SIZE) - lopt = __vmalloc(lopt_size, - GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, - PAGE_KERNEL); + lopt = vzalloc(lopt_size); else lopt = kzalloc(lopt_size, GFP_KERNEL); if (lopt == NULL) diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 8121268ddbd..841c287ef40 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -347,16 +347,17 @@ static size_t rtnl_link_get_size(const struct net_device *dev) if (!ops) return 0; - size = nlmsg_total_size(sizeof(struct nlattr)) + /* IFLA_LINKINFO */ - nlmsg_total_size(strlen(ops->kind) + 1); /* IFLA_INFO_KIND */ + size = nla_total_size(sizeof(struct nlattr)) + /* IFLA_LINKINFO */ + nla_total_size(strlen(ops->kind) + 1); /* IFLA_INFO_KIND */ if (ops->get_size) /* IFLA_INFO_DATA + nested data */ - size += nlmsg_total_size(sizeof(struct nlattr)) + + size += nla_total_size(sizeof(struct nlattr)) + ops->get_size(dev); if (ops->get_xstats_size) - size += ops->get_xstats_size(dev); /* IFLA_INFO_XSTATS */ + /* IFLA_INFO_XSTATS */ + size += nla_total_size(ops->get_xstats_size(dev)); return size; } diff --git a/net/core/sock.c b/net/core/sock.c index 3eed5424e65..fb608011146 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1653,10 +1653,10 @@ int __sk_mem_schedule(struct sock *sk, int size, int kind) { struct proto *prot = sk->sk_prot; int amt = sk_mem_pages(size); - int allocated; + long allocated; sk->sk_forward_alloc += amt * SK_MEM_QUANTUM; - allocated = atomic_add_return(amt, prot->memory_allocated); + allocated = atomic_long_add_return(amt, prot->memory_allocated); /* Under limit. */ if (allocated <= prot->sysctl_mem[0]) { @@ -1714,7 +1714,7 @@ suppress_allocation: /* Alas. Undo changes. */ sk->sk_forward_alloc -= amt * SK_MEM_QUANTUM; - atomic_sub(amt, prot->memory_allocated); + atomic_long_sub(amt, prot->memory_allocated); return 0; } EXPORT_SYMBOL(__sk_mem_schedule); @@ -1727,12 +1727,12 @@ void __sk_mem_reclaim(struct sock *sk) { struct proto *prot = sk->sk_prot; - atomic_sub(sk->sk_forward_alloc >> SK_MEM_QUANTUM_SHIFT, + atomic_long_sub(sk->sk_forward_alloc >> SK_MEM_QUANTUM_SHIFT, prot->memory_allocated); sk->sk_forward_alloc &= SK_MEM_QUANTUM - 1; if (prot->memory_pressure && *prot->memory_pressure && - (atomic_read(prot->memory_allocated) < prot->sysctl_mem[0])) + (atomic_long_read(prot->memory_allocated) < prot->sysctl_mem[0])) *prot->memory_pressure = 0; } EXPORT_SYMBOL(__sk_mem_reclaim); @@ -2452,12 +2452,12 @@ static char proto_method_implemented(const void *method) static void proto_seq_printf(struct seq_file *seq, struct proto *proto) { - seq_printf(seq, "%-9s %4u %6d %6d %-3s %6u %-3s %-10s " + seq_printf(seq, "%-9s %4u %6d %6ld %-3s %6u %-3s %-10s " "%2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c\n", proto->name, proto->obj_size, sock_prot_inuse_get(seq_file_net(seq), proto), - proto->memory_allocated != NULL ? atomic_read(proto->memory_allocated) : -1, + proto->memory_allocated != NULL ? atomic_long_read(proto->memory_allocated) : -1L, proto->memory_pressure != NULL ? *proto->memory_pressure ? "yes" : "no" : "NI", proto->max_header, proto->slab == NULL ? "no" : "yes", diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index d6b93d19790..a76b78de679 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -155,7 +155,7 @@ static const struct proto_ops dn_proto_ops; static DEFINE_RWLOCK(dn_hash_lock); static struct hlist_head dn_sk_hash[DN_SK_HASH_SIZE]; static struct hlist_head dn_wild_sk; -static atomic_t decnet_memory_allocated; +static atomic_long_t decnet_memory_allocated; static int __dn_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen, int flags); static int __dn_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen, int flags); diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c index be3eb8e2328..28f8b5e5f73 100644 --- a/net/decnet/sysctl_net_decnet.c +++ b/net/decnet/sysctl_net_decnet.c @@ -38,7 +38,7 @@ int decnet_log_martians = 1; int decnet_no_fc_max_cwnd = NSP_MIN_WINDOW; /* Reasonable defaults, I hope, based on tcp's defaults */ -int sysctl_decnet_mem[3] = { 768 << 3, 1024 << 3, 1536 << 3 }; +long sysctl_decnet_mem[3] = { 768 << 3, 1024 << 3, 1536 << 3 }; int sysctl_decnet_wmem[3] = { 4 * 1024, 16 * 1024, 128 * 1024 }; int sysctl_decnet_rmem[3] = { 4 * 1024, 87380, 87380 * 2 }; @@ -324,7 +324,7 @@ static ctl_table dn_table[] = { .data = &sysctl_decnet_mem, .maxlen = sizeof(sysctl_decnet_mem), .mode = 0644, - .proc_handler = proc_dointvec, + .proc_handler = proc_doulongvec_minmax }, { .procname = "decnet_rmem", diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h index a29edf2219c..c079cc0ec65 100644 --- a/net/ipv4/fib_lookup.h +++ b/net/ipv4/fib_lookup.h @@ -47,11 +47,8 @@ extern int fib_detect_death(struct fib_info *fi, int order, static inline void fib_result_assign(struct fib_result *res, struct fib_info *fi) { - if (res->fi != NULL) - fib_info_put(res->fi); + /* we used to play games with refcounts, but we now use RCU */ res->fi = fi; - if (fi != NULL) - atomic_inc(&fi->fib_clntref); } #endif /* _FIB_LOOKUP_H */ diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 200eb538fbb..0f280348e0f 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -365,7 +365,7 @@ static struct tnode *tnode_alloc(size_t size) if (size <= PAGE_SIZE) return kzalloc(size, GFP_KERNEL); else - return __vmalloc(size, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL); + return vzalloc(size); } static void __tnode_vfree(struct work_struct *arg) diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 96bc7f9475a..e5d1a44bcbd 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -569,6 +569,9 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) /* No need to clone since we're just using its address. */ rt2 = rt; + if (!fl.nl_u.ip4_u.saddr) + fl.nl_u.ip4_u.saddr = rt->rt_src; + err = xfrm_lookup(net, (struct dst_entry **)&rt, &fl, NULL, 0); switch (err) { case 0: diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index c8877c6c721..3c53c2d89e3 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -2306,10 +2306,8 @@ void ip_mc_drop_socket(struct sock *sk) in_dev = inetdev_by_index(net, iml->multi.imr_ifindex); (void) ip_mc_leave_src(sk, iml, in_dev); - if (in_dev != NULL) { + if (in_dev != NULL) ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr); - in_dev_put(in_dev); - } /* decrease mem now to avoid the memleak warning */ atomic_sub(sizeof(*iml), &sk->sk_omem_alloc); call_rcu(&iml->rcu, ip_mc_socklist_reclaim); diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index ba804266584..2ada17129fc 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -490,9 +490,11 @@ static int inet_csk_diag_dump(struct sock *sk, { struct inet_diag_req *r = NLMSG_DATA(cb->nlh); - if (cb->nlh->nlmsg_len > 4 + NLMSG_SPACE(sizeof(*r))) { + if (nlmsg_attrlen(cb->nlh, sizeof(*r))) { struct inet_diag_entry entry; - struct rtattr *bc = (struct rtattr *)(r + 1); + const struct nlattr *bc = nlmsg_find_attr(cb->nlh, + sizeof(*r), + INET_DIAG_REQ_BYTECODE); struct inet_sock *inet = inet_sk(sk); entry.family = sk->sk_family; @@ -512,7 +514,7 @@ static int inet_csk_diag_dump(struct sock *sk, entry.dport = ntohs(inet->inet_dport); entry.userlocks = sk->sk_userlocks; - if (!inet_diag_bc_run(RTA_DATA(bc), RTA_PAYLOAD(bc), &entry)) + if (!inet_diag_bc_run(nla_data(bc), nla_len(bc), &entry)) return 0; } @@ -527,9 +529,11 @@ static int inet_twsk_diag_dump(struct inet_timewait_sock *tw, { struct inet_diag_req *r = NLMSG_DATA(cb->nlh); - if (cb->nlh->nlmsg_len > 4 + NLMSG_SPACE(sizeof(*r))) { + if (nlmsg_attrlen(cb->nlh, sizeof(*r))) { struct inet_diag_entry entry; - struct rtattr *bc = (struct rtattr *)(r + 1); + const struct nlattr *bc = nlmsg_find_attr(cb->nlh, + sizeof(*r), + INET_DIAG_REQ_BYTECODE); entry.family = tw->tw_family; #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE) @@ -548,7 +552,7 @@ static int inet_twsk_diag_dump(struct inet_timewait_sock *tw, entry.dport = ntohs(tw->tw_dport); entry.userlocks = 0; - if (!inet_diag_bc_run(RTA_DATA(bc), RTA_PAYLOAD(bc), &entry)) + if (!inet_diag_bc_run(nla_data(bc), nla_len(bc), &entry)) return 0; } @@ -618,7 +622,7 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk, struct inet_diag_req *r = NLMSG_DATA(cb->nlh); struct inet_connection_sock *icsk = inet_csk(sk); struct listen_sock *lopt; - struct rtattr *bc = NULL; + const struct nlattr *bc = NULL; struct inet_sock *inet = inet_sk(sk); int j, s_j; int reqnum, s_reqnum; @@ -638,8 +642,9 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk, if (!lopt || !lopt->qlen) goto out; - if (cb->nlh->nlmsg_len > 4 + NLMSG_SPACE(sizeof(*r))) { - bc = (struct rtattr *)(r + 1); + if (nlmsg_attrlen(cb->nlh, sizeof(*r))) { + bc = nlmsg_find_attr(cb->nlh, sizeof(*r), + INET_DIAG_REQ_BYTECODE); entry.sport = inet->inet_num; entry.userlocks = sk->sk_userlocks; } @@ -672,8 +677,8 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk, &ireq->rmt_addr; entry.dport = ntohs(ireq->rmt_port); - if (!inet_diag_bc_run(RTA_DATA(bc), - RTA_PAYLOAD(bc), &entry)) + if (!inet_diag_bc_run(nla_data(bc), + nla_len(bc), &entry)) continue; } diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index 3cad2591ace..3fac340a28d 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -927,6 +927,7 @@ static int get_info(struct net *net, void __user *user, private = &tmp; } #endif + memset(&info, 0, sizeof(info)); info.valid_hooks = t->valid_hooks; memcpy(info.hook_entry, private->hook_entry, sizeof(info.hook_entry)); diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index d31b007a6d8..a846d633b3b 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -1124,6 +1124,7 @@ static int get_info(struct net *net, void __user *user, private = &tmp; } #endif + memset(&info, 0, sizeof(info)); info.valid_hooks = t->valid_hooks; memcpy(info.hook_entry, private->hook_entry, sizeof(info.hook_entry)); diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c index 295c97431e4..c04787ce1a7 100644 --- a/net/ipv4/netfilter/nf_nat_core.c +++ b/net/ipv4/netfilter/nf_nat_core.c @@ -47,26 +47,6 @@ __nf_nat_proto_find(u_int8_t protonum) return rcu_dereference(nf_nat_protos[protonum]); } -static const struct nf_nat_protocol * -nf_nat_proto_find_get(u_int8_t protonum) -{ - const struct nf_nat_protocol *p; - - rcu_read_lock(); - p = __nf_nat_proto_find(protonum); - if (!try_module_get(p->me)) - p = &nf_nat_unknown_protocol; - rcu_read_unlock(); - - return p; -} - -static void -nf_nat_proto_put(const struct nf_nat_protocol *p) -{ - module_put(p->me); -} - /* We keep an extra hash for each conntrack, for fast searching. */ static inline unsigned int hash_by_src(const struct net *net, u16 zone, @@ -588,6 +568,26 @@ static struct nf_ct_ext_type nat_extend __read_mostly = { #include <linux/netfilter/nfnetlink.h> #include <linux/netfilter/nfnetlink_conntrack.h> +static const struct nf_nat_protocol * +nf_nat_proto_find_get(u_int8_t protonum) +{ + const struct nf_nat_protocol *p; + + rcu_read_lock(); + p = __nf_nat_proto_find(protonum); + if (!try_module_get(p->me)) + p = &nf_nat_unknown_protocol; + rcu_read_unlock(); + + return p; +} + +static void +nf_nat_proto_put(const struct nf_nat_protocol *p) +{ + module_put(p->me); +} + static const struct nla_policy protonat_nla_policy[CTA_PROTONAT_MAX+1] = { [CTA_PROTONAT_PORT_MIN] = { .type = NLA_U16 }, [CTA_PROTONAT_PORT_MAX] = { .type = NLA_U16 }, diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 4ae1f203f7c..1b48eb1ed45 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -59,13 +59,13 @@ static int sockstat_seq_show(struct seq_file *seq, void *v) local_bh_enable(); socket_seq_show(seq); - seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %d\n", + seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %ld\n", sock_prot_inuse_get(net, &tcp_prot), orphans, tcp_death_row.tw_count, sockets, - atomic_read(&tcp_memory_allocated)); - seq_printf(seq, "UDP: inuse %d mem %d\n", + atomic_long_read(&tcp_memory_allocated)); + seq_printf(seq, "UDP: inuse %d mem %ld\n", sock_prot_inuse_get(net, &udp_prot), - atomic_read(&udp_memory_allocated)); + atomic_long_read(&udp_memory_allocated)); seq_printf(seq, "UDPLITE: inuse %d\n", sock_prot_inuse_get(net, &udplite_prot)); seq_printf(seq, "RAW: inuse %d\n", diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index d96c1da4b17..e91911d7aae 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -398,7 +398,7 @@ static struct ctl_table ipv4_table[] = { .data = &sysctl_tcp_mem, .maxlen = sizeof(sysctl_tcp_mem), .mode = 0644, - .proc_handler = proc_dointvec + .proc_handler = proc_doulongvec_minmax }, { .procname = "tcp_wmem", @@ -602,8 +602,7 @@ static struct ctl_table ipv4_table[] = { .data = &sysctl_udp_mem, .maxlen = sizeof(sysctl_udp_mem), .mode = 0644, - .proc_handler = proc_dointvec_minmax, - .extra1 = &zero + .proc_handler = proc_doulongvec_minmax, }, { .procname = "udp_rmem_min", diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 1664a0590bb..08141996948 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -282,7 +282,7 @@ int sysctl_tcp_fin_timeout __read_mostly = TCP_FIN_TIMEOUT; struct percpu_counter tcp_orphan_count; EXPORT_SYMBOL_GPL(tcp_orphan_count); -int sysctl_tcp_mem[3] __read_mostly; +long sysctl_tcp_mem[3] __read_mostly; int sysctl_tcp_wmem[3] __read_mostly; int sysctl_tcp_rmem[3] __read_mostly; @@ -290,7 +290,7 @@ EXPORT_SYMBOL(sysctl_tcp_mem); EXPORT_SYMBOL(sysctl_tcp_rmem); EXPORT_SYMBOL(sysctl_tcp_wmem); -atomic_t tcp_memory_allocated; /* Current allocated memory. */ +atomic_long_t tcp_memory_allocated; /* Current allocated memory. */ EXPORT_SYMBOL(tcp_memory_allocated); /* @@ -2246,7 +2246,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level, /* Values greater than interface MTU won't take effect. However * at the point when this call is done we typically don't yet * know which interface is going to be used */ - if (val < 8 || val > MAX_TCP_WINDOW) { + if (val < 64 || val > MAX_TCP_WINDOW) { err = -EINVAL; break; } diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 3357f69e353..6d8ab1c4efc 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -259,8 +259,11 @@ static void tcp_fixup_sndbuf(struct sock *sk) int sndmem = tcp_sk(sk)->rx_opt.mss_clamp + MAX_TCP_HEADER + 16 + sizeof(struct sk_buff); - if (sk->sk_sndbuf < 3 * sndmem) - sk->sk_sndbuf = min(3 * sndmem, sysctl_tcp_wmem[2]); + if (sk->sk_sndbuf < 3 * sndmem) { + sk->sk_sndbuf = 3 * sndmem; + if (sk->sk_sndbuf > sysctl_tcp_wmem[2]) + sk->sk_sndbuf = sysctl_tcp_wmem[2]; + } } /* 2. Tuning advertised window (window_clamp, rcv_ssthresh) @@ -396,7 +399,7 @@ static void tcp_clamp_window(struct sock *sk) if (sk->sk_rcvbuf < sysctl_tcp_rmem[2] && !(sk->sk_userlocks & SOCK_RCVBUF_LOCK) && !tcp_memory_pressure && - atomic_read(&tcp_memory_allocated) < sysctl_tcp_mem[0]) { + atomic_long_read(&tcp_memory_allocated) < sysctl_tcp_mem[0]) { sk->sk_rcvbuf = min(atomic_read(&sk->sk_rmem_alloc), sysctl_tcp_rmem[2]); } @@ -4861,7 +4864,7 @@ static int tcp_should_expand_sndbuf(struct sock *sk) return 0; /* If we are under soft global TCP memory pressure, do not expand. */ - if (atomic_read(&tcp_memory_allocated) >= sysctl_tcp_mem[0]) + if (atomic_long_read(&tcp_memory_allocated) >= sysctl_tcp_mem[0]) return 0; /* If we filled the congestion window, do not expand. */ diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 8f8527d4168..69ccbc1dde9 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -415,6 +415,9 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) !icsk->icsk_backoff) break; + if (sock_owned_by_user(sk)) + break; + icsk->icsk_backoff--; inet_csk(sk)->icsk_rto = __tcp_set_rto(tp) << icsk->icsk_backoff; @@ -429,11 +432,6 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) if (remaining) { inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, remaining, TCP_RTO_MAX); - } else if (sock_owned_by_user(sk)) { - /* RTO revert clocked out retransmission, - * but socket is locked. Will defer. */ - inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, - HZ/20, TCP_RTO_MAX); } else { /* RTO revert clocked out retransmission. * Will retransmit now */ diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 28cb2d733a3..5e0a3a582a5 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -110,7 +110,7 @@ struct udp_table udp_table __read_mostly; EXPORT_SYMBOL(udp_table); -int sysctl_udp_mem[3] __read_mostly; +long sysctl_udp_mem[3] __read_mostly; EXPORT_SYMBOL(sysctl_udp_mem); int sysctl_udp_rmem_min __read_mostly; @@ -119,7 +119,7 @@ EXPORT_SYMBOL(sysctl_udp_rmem_min); int sysctl_udp_wmem_min __read_mostly; EXPORT_SYMBOL(sysctl_udp_wmem_min); -atomic_t udp_memory_allocated; +atomic_long_t udp_memory_allocated; EXPORT_SYMBOL(udp_memory_allocated); #define MAX_UDP_PORTS 65536 diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index e048ec62d10..23cc8e1ce8d 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -98,7 +98,11 @@ #endif #define INFINITY_LIFE_TIME 0xFFFFFFFF -#define TIME_DELTA(a, b) ((unsigned long)((long)(a) - (long)(b))) + +static inline u32 cstamp_delta(unsigned long cstamp) +{ + return (cstamp - INITIAL_JIFFIES) * 100UL / HZ; +} #define ADDRCONF_TIMER_FUZZ_MINUS (HZ > 50 ? HZ/50 : 1) #define ADDRCONF_TIMER_FUZZ (HZ / 4) @@ -2740,10 +2744,6 @@ static int addrconf_ifdown(struct net_device *dev, int how) /* Flag it for later restoration when link comes up */ ifa->flags |= IFA_F_TENTATIVE; ifa->state = INET6_IFADDR_STATE_DAD; - - write_unlock_bh(&idev->lock); - - in6_ifa_hold(ifa); } else { list_del(&ifa->if_list); @@ -2758,19 +2758,15 @@ static int addrconf_ifdown(struct net_device *dev, int how) ifa->state = INET6_IFADDR_STATE_DEAD; spin_unlock_bh(&ifa->state_lock); - if (state == INET6_IFADDR_STATE_DEAD) - goto put_ifa; - } - - __ipv6_ifa_notify(RTM_DELADDR, ifa); - if (ifa->state == INET6_IFADDR_STATE_DEAD) - atomic_notifier_call_chain(&inet6addr_chain, - NETDEV_DOWN, ifa); - -put_ifa: - in6_ifa_put(ifa); + if (state != INET6_IFADDR_STATE_DEAD) { + __ipv6_ifa_notify(RTM_DELADDR, ifa); + atomic_notifier_call_chain(&inet6addr_chain, + NETDEV_DOWN, ifa); + } - write_lock_bh(&idev->lock); + in6_ifa_put(ifa); + write_lock_bh(&idev->lock); + } } list_splice(&keep_list, &idev->addr_list); @@ -3452,10 +3448,8 @@ static int put_cacheinfo(struct sk_buff *skb, unsigned long cstamp, { struct ifa_cacheinfo ci; - ci.cstamp = (u32)(TIME_DELTA(cstamp, INITIAL_JIFFIES) / HZ * 100 - + TIME_DELTA(cstamp, INITIAL_JIFFIES) % HZ * 100 / HZ); - ci.tstamp = (u32)(TIME_DELTA(tstamp, INITIAL_JIFFIES) / HZ * 100 - + TIME_DELTA(tstamp, INITIAL_JIFFIES) % HZ * 100 / HZ); + ci.cstamp = cstamp_delta(cstamp); + ci.tstamp = cstamp_delta(tstamp); ci.ifa_prefered = preferred; ci.ifa_valid = valid; @@ -3806,8 +3800,10 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf, array[DEVCONF_AUTOCONF] = cnf->autoconf; array[DEVCONF_DAD_TRANSMITS] = cnf->dad_transmits; array[DEVCONF_RTR_SOLICITS] = cnf->rtr_solicits; - array[DEVCONF_RTR_SOLICIT_INTERVAL] = cnf->rtr_solicit_interval; - array[DEVCONF_RTR_SOLICIT_DELAY] = cnf->rtr_solicit_delay; + array[DEVCONF_RTR_SOLICIT_INTERVAL] = + jiffies_to_msecs(cnf->rtr_solicit_interval); + array[DEVCONF_RTR_SOLICIT_DELAY] = + jiffies_to_msecs(cnf->rtr_solicit_delay); array[DEVCONF_FORCE_MLD_VERSION] = cnf->force_mld_version; #ifdef CONFIG_IPV6_PRIVACY array[DEVCONF_USE_TEMPADDR] = cnf->use_tempaddr; @@ -3821,7 +3817,8 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf, array[DEVCONF_ACCEPT_RA_PINFO] = cnf->accept_ra_pinfo; #ifdef CONFIG_IPV6_ROUTER_PREF array[DEVCONF_ACCEPT_RA_RTR_PREF] = cnf->accept_ra_rtr_pref; - array[DEVCONF_RTR_PROBE_INTERVAL] = cnf->rtr_probe_interval; + array[DEVCONF_RTR_PROBE_INTERVAL] = + jiffies_to_msecs(cnf->rtr_probe_interval); #ifdef CONFIG_IPV6_ROUTE_INFO array[DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN] = cnf->accept_ra_rt_info_max_plen; #endif @@ -3937,10 +3934,9 @@ static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev, NLA_PUT_U32(skb, IFLA_INET6_FLAGS, idev->if_flags); ci.max_reasm_len = IPV6_MAXPLEN; - ci.tstamp = (__u32)(TIME_DELTA(idev->tstamp, INITIAL_JIFFIES) / HZ * 100 - + TIME_DELTA(idev->tstamp, INITIAL_JIFFIES) % HZ * 100 / HZ); - ci.reachable_time = idev->nd_parms->reachable_time; - ci.retrans_time = idev->nd_parms->retrans_time; + ci.tstamp = cstamp_delta(idev->tstamp); + ci.reachable_time = jiffies_to_msecs(idev->nd_parms->reachable_time); + ci.retrans_time = jiffies_to_msecs(idev->nd_parms->retrans_time); NLA_PUT(skb, IFLA_INET6_CACHEINFO, sizeof(ci), &ci); nla = nla_reserve(skb, IFLA_INET6_CONF, DEVCONF_MAX * sizeof(s32)); diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index 51df035897e..455582384ec 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -1137,6 +1137,7 @@ static int get_info(struct net *net, void __user *user, private = &tmp; } #endif + memset(&info, 0, sizeof(info)); info.valid_hooks = t->valid_hooks; memcpy(info.hook_entry, private->hook_entry, sizeof(info.hook_entry)); diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 3a3f129a44c..79d43aa8fa8 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -286,7 +286,7 @@ found: /* Check for overlap with preceding fragment. */ if (prev && - (NFCT_FRAG6_CB(prev)->offset + prev->len) - offset > 0) + (NFCT_FRAG6_CB(prev)->offset + prev->len) > offset) goto discard_fq; /* Look for overlap with succeeding segment. */ diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index c7ba3149633..0f276645375 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -349,7 +349,7 @@ found: /* Check for overlap with preceding fragment. */ if (prev && - (FRAG6_CB(prev)->offset + prev->len) - offset > 0) + (FRAG6_CB(prev)->offset + prev->len) > offset) goto discard_fq; /* Look for overlap with succeeding segment. */ diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 25661f968f3..96455ffb76f 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1945,8 +1945,12 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops); struct neighbour *neigh; - if (rt == NULL) + if (rt == NULL) { + if (net_ratelimit()) + pr_warning("IPv6: Maximum number of routes reached," + " consider increasing route/max_size.\n"); return ERR_PTR(-ENOMEM); + } dev_hold(net->loopback_dev); in6_dev_hold(idev); @@ -2741,6 +2745,7 @@ static void __net_exit ip6_route_net_exit(struct net *net) kfree(net->ipv6.ip6_prohibit_entry); kfree(net->ipv6.ip6_blk_hole_entry); #endif + dst_entries_destroy(&net->ipv6.ip6_dst_ops); } static struct pernet_operations ip6_route_net_ops = { @@ -2832,5 +2837,6 @@ void ip6_route_cleanup(void) xfrm6_fini(); fib6_gc_cleanup(); unregister_pernet_subsys(&ip6_route_net_ops); + dst_entries_destroy(&ip6_dst_blackhole_ops); kmem_cache_destroy(ip6_dst_ops_template.kmem_cachep); } diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 7f097989cde..a6de3059746 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -45,7 +45,6 @@ #include <linux/capability.h> #include <linux/module.h> #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/socket.h> #include <linux/sockios.h> #include <linux/slab.h> diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c index 7fa86373de4..7c567b8aa89 100644 --- a/net/irda/irnet/irnet_ppp.c +++ b/net/irda/irnet/irnet_ppp.c @@ -15,7 +15,6 @@ #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include "irnet_ppp.h" /* Private header */ /* Please put other headers in irnet.h - Thanks */ diff --git a/net/irda/irttp.c b/net/irda/irttp.c index 285761e77d9..f6054f9ccbe 100644 --- a/net/irda/irttp.c +++ b/net/irda/irttp.c @@ -550,22 +550,30 @@ EXPORT_SYMBOL(irttp_close_tsap); */ int irttp_udata_request(struct tsap_cb *self, struct sk_buff *skb) { + int ret; + IRDA_ASSERT(self != NULL, return -1;); IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return -1;); IRDA_ASSERT(skb != NULL, return -1;); IRDA_DEBUG(4, "%s()\n", __func__); + /* Take shortcut on zero byte packets */ + if (skb->len == 0) { + ret = 0; + goto err; + } + /* Check that nothing bad happens */ - if ((skb->len == 0) || (!self->connected)) { - IRDA_DEBUG(1, "%s(), No data, or not connected\n", - __func__); + if (!self->connected) { + IRDA_WARNING("%s(), Not connected\n", __func__); + ret = -ENOTCONN; goto err; } if (skb->len > self->max_seg_size) { - IRDA_DEBUG(1, "%s(), UData is too large for IrLAP!\n", - __func__); + IRDA_ERROR("%s(), UData is too large for IrLAP!\n", __func__); + ret = -EMSGSIZE; goto err; } @@ -576,7 +584,7 @@ int irttp_udata_request(struct tsap_cb *self, struct sk_buff *skb) err: dev_kfree_skb(skb); - return -1; + return ret; } EXPORT_SYMBOL(irttp_udata_request); @@ -599,9 +607,15 @@ int irttp_data_request(struct tsap_cb *self, struct sk_buff *skb) IRDA_DEBUG(2, "%s() : queue len = %d\n", __func__, skb_queue_len(&self->tx_queue)); + /* Take shortcut on zero byte packets */ + if (skb->len == 0) { + ret = 0; + goto err; + } + /* Check that nothing bad happens */ - if ((skb->len == 0) || (!self->connected)) { - IRDA_WARNING("%s: No data, or not connected\n", __func__); + if (!self->connected) { + IRDA_WARNING("%s: Not connected\n", __func__); ret = -ENOTCONN; goto err; } diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c index 104ec3b283d..b8dbae82fab 100644 --- a/net/l2tp/l2tp_debugfs.c +++ b/net/l2tp/l2tp_debugfs.c @@ -249,7 +249,7 @@ static int l2tp_dfs_seq_open(struct inode *inode, struct file *file) struct seq_file *seq; int rc = -ENOMEM; - pd = kzalloc(GFP_KERNEL, sizeof(*pd)); + pd = kzalloc(sizeof(*pd), GFP_KERNEL); if (pd == NULL) goto out; diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index f9163b12c7f..7aa85591dbe 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -391,6 +391,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, u32 hw_reconf_flags = 0; int i; + if (local->scan_sdata == sdata) + ieee80211_scan_cancel(local); + clear_bit(SDATA_STATE_RUNNING, &sdata->state); /* @@ -523,9 +526,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, synchronize_rcu(); skb_queue_purge(&sdata->skb_queue); - if (local->scan_sdata == sdata) - ieee80211_scan_cancel(local); - /* * Disable beaconing here for mesh only, AP and IBSS * are already taken care of. diff --git a/net/netfilter/ipvs/Kconfig b/net/netfilter/ipvs/Kconfig index a22dac22705..70bd1d0774c 100644 --- a/net/netfilter/ipvs/Kconfig +++ b/net/netfilter/ipvs/Kconfig @@ -4,6 +4,7 @@ menuconfig IP_VS tristate "IP virtual server support" depends on NET && INET && NETFILTER + depends on (NF_CONNTRACK || NF_CONNTRACK=n) ---help--- IP Virtual Server support will let you build a high-performance virtual server based on cluster of two or more real servers. This diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 1eacf8d9966..27a5ea6b6a0 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1312,7 +1312,8 @@ void *nf_ct_alloc_hashtable(unsigned int *sizep, int *vmalloced, int nulls) if (!hash) { *vmalloced = 1; printk(KERN_WARNING "nf_conntrack: falling back to vmalloc.\n"); - hash = __vmalloc(sz, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL); + hash = __vmalloc(sz, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, + PAGE_KERNEL); } if (hash && nulls) diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c index ed6d9295802..dc7bb74110d 100644 --- a/net/netfilter/nf_conntrack_proto.c +++ b/net/netfilter/nf_conntrack_proto.c @@ -292,6 +292,12 @@ int nf_conntrack_l4proto_register(struct nf_conntrack_l4proto *l4proto) for (i = 0; i < MAX_NF_CT_PROTO; i++) proto_array[i] = &nf_conntrack_l4proto_generic; + + /* Before making proto_array visible to lockless readers, + * we must make sure its content is committed to memory. + */ + smp_wmb(); + nf_ct_protos[l4proto->l3proto] = proto_array; } else if (nf_ct_protos[l4proto->l3proto][l4proto->l4proto] != &nf_conntrack_l4proto_generic) { diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 3616f27b9d4..8298e676f5a 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1610,9 +1610,11 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock, err = -EINVAL; vnet_hdr_len = sizeof(vnet_hdr); - if ((len -= vnet_hdr_len) < 0) + if (len < vnet_hdr_len) goto out_free; + len -= vnet_hdr_len; + if (skb_is_gso(skb)) { struct skb_shared_info *sinfo = skb_shinfo(skb); @@ -1719,7 +1721,7 @@ static int packet_getname_spkt(struct socket *sock, struct sockaddr *uaddr, rcu_read_lock(); dev = dev_get_by_index_rcu(sock_net(sk), pkt_sk(sk)->ifindex); if (dev) - strlcpy(uaddr->sa_data, dev->name, 15); + strncpy(uaddr->sa_data, dev->name, 14); else memset(uaddr->sa_data, 0, 14); rcu_read_unlock(); @@ -1742,6 +1744,7 @@ static int packet_getname(struct socket *sock, struct sockaddr *uaddr, sll->sll_family = AF_PACKET; sll->sll_ifindex = po->ifindex; sll->sll_protocol = po->num; + sll->sll_pkttype = 0; rcu_read_lock(); dev = dev_get_by_index_rcu(sock_net(sk), po->ifindex); if (dev) { diff --git a/net/rds/loop.c b/net/rds/loop.c index c390156b426..aeec1d483b1 100644 --- a/net/rds/loop.c +++ b/net/rds/loop.c @@ -134,8 +134,12 @@ static int rds_loop_conn_alloc(struct rds_connection *conn, gfp_t gfp) static void rds_loop_conn_free(void *arg) { struct rds_loop_connection *lc = arg; + unsigned long flags; + rdsdebug("lc %p\n", lc); + spin_lock_irqsave(&loop_conns_lock, flags); list_del(&lc->loop_node); + spin_unlock_irqrestore(&loop_conns_lock, flags); kfree(lc); } diff --git a/net/rds/message.c b/net/rds/message.c index 848cff45183..1fd3d29023d 100644 --- a/net/rds/message.c +++ b/net/rds/message.c @@ -249,8 +249,10 @@ struct rds_message *rds_message_map_pages(unsigned long *page_addrs, unsigned in rm->m_inc.i_hdr.h_len = cpu_to_be32(total_len); rm->data.op_nents = ceil(total_len, PAGE_SIZE); rm->data.op_sg = rds_message_alloc_sgs(rm, num_sgs); - if (!rm->data.op_sg) + if (!rm->data.op_sg) { + rds_message_put(rm); return ERR_PTR(-ENOMEM); + } for (i = 0; i < rm->data.op_nents; ++i) { sg_set_page(&rm->data.op_sg[i], diff --git a/net/rds/rdma.c b/net/rds/rdma.c index 8920f2a8332..4e37c1cbe8b 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -567,7 +567,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, goto out; } - if (args->nr_local > (u64)UINT_MAX) { + if (args->nr_local > UIO_MAXIOV) { ret = -EMSGSIZE; goto out; } diff --git a/net/rds/tcp.c b/net/rds/tcp.c index 08a8c6cf2d1..8e0a32001c9 100644 --- a/net/rds/tcp.c +++ b/net/rds/tcp.c @@ -221,7 +221,13 @@ static int rds_tcp_conn_alloc(struct rds_connection *conn, gfp_t gfp) static void rds_tcp_conn_free(void *arg) { struct rds_tcp_connection *tc = arg; + unsigned long flags; rdsdebug("freeing tc %p\n", tc); + + spin_lock_irqsave(&rds_tcp_conn_lock, flags); + list_del(&tc->t_tcp_node); + spin_unlock_irqrestore(&rds_tcp_conn_lock, flags); + kmem_cache_free(rds_tcp_conn_slab, tc); } diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c index efd4f95fd05..f23d9155b1e 100644 --- a/net/sched/cls_basic.c +++ b/net/sched/cls_basic.c @@ -268,6 +268,10 @@ static int basic_dump(struct tcf_proto *tp, unsigned long fh, goto nla_put_failure; nla_nest_end(skb, nest); + + if (tcf_exts_dump_stats(skb, &f->exts, &basic_ext_map) < 0) + goto nla_put_failure; + return skb->len; nla_put_failure: diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c index 37dff78e9cb..d49c40fb7e0 100644 --- a/net/sched/cls_cgroup.c +++ b/net/sched/cls_cgroup.c @@ -34,8 +34,6 @@ struct cgroup_subsys net_cls_subsys = { .populate = cgrp_populate, #ifdef CONFIG_NET_CLS_CGROUP .subsys_id = net_cls_subsys_id, -#else -#define net_cls_subsys_id net_cls_subsys.subsys_id #endif .module = THIS_MODULE, }; diff --git a/net/sched/em_text.c b/net/sched/em_text.c index 76325325741..ea8f566e720 100644 --- a/net/sched/em_text.c +++ b/net/sched/em_text.c @@ -103,7 +103,8 @@ retry: static void em_text_destroy(struct tcf_proto *tp, struct tcf_ematch *m) { - textsearch_destroy(EM_TEXT_PRIV(m)->config); + if (EM_TEXT_PRIV(m) && EM_TEXT_PRIV(m)->config) + textsearch_destroy(EM_TEXT_PRIV(m)->config); } static int em_text_dump(struct sk_buff *skb, struct tcf_ematch *m) diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index 1ef29c74d85..e58f9476f29 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -92,7 +92,7 @@ static struct sctp_af *sctp_af_v6_specific; struct kmem_cache *sctp_chunk_cachep __read_mostly; struct kmem_cache *sctp_bucket_cachep __read_mostly; -int sysctl_sctp_mem[3]; +long sysctl_sctp_mem[3]; int sysctl_sctp_rmem[3]; int sysctl_sctp_wmem[3]; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index e34ca9cc116..6bd554323a3 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -111,12 +111,12 @@ static void sctp_sock_migrate(struct sock *, struct sock *, static char *sctp_hmac_alg = SCTP_COOKIE_HMAC_ALG; extern struct kmem_cache *sctp_bucket_cachep; -extern int sysctl_sctp_mem[3]; +extern long sysctl_sctp_mem[3]; extern int sysctl_sctp_rmem[3]; extern int sysctl_sctp_wmem[3]; static int sctp_memory_pressure; -static atomic_t sctp_memory_allocated; +static atomic_long_t sctp_memory_allocated; struct percpu_counter sctp_sockets_allocated; static void sctp_enter_memory_pressure(struct sock *sk) diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c index 832590bbe0c..50cb57f0919 100644 --- a/net/sctp/sysctl.c +++ b/net/sctp/sysctl.c @@ -54,7 +54,7 @@ static int sack_timer_max = 500; static int addr_scope_max = 3; /* check sctp_scope_policy_t in include/net/sctp/constants.h for max entries */ static int rwnd_scale_max = 16; -extern int sysctl_sctp_mem[3]; +extern long sysctl_sctp_mem[3]; extern int sysctl_sctp_rmem[3]; extern int sysctl_sctp_wmem[3]; @@ -203,7 +203,7 @@ static ctl_table sctp_table[] = { .data = &sysctl_sctp_mem, .maxlen = sizeof(sysctl_sctp_mem), .mode = 0644, - .proc_handler = proc_dointvec, + .proc_handler = proc_doulongvec_minmax }, { .procname = "sctp_rmem", diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c index f71a73107ae..80df89d957b 100644 --- a/net/sunrpc/stats.c +++ b/net/sunrpc/stats.c @@ -115,9 +115,7 @@ EXPORT_SYMBOL_GPL(svc_seq_show); */ struct rpc_iostats *rpc_alloc_iostats(struct rpc_clnt *clnt) { - struct rpc_iostats *new; - new = kcalloc(clnt->cl_maxproc, sizeof(struct rpc_iostats), GFP_KERNEL); - return new; + return kcalloc(clnt->cl_maxproc, sizeof(struct rpc_iostats), GFP_KERNEL); } EXPORT_SYMBOL_GPL(rpc_alloc_iostats); diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index c82fe739fbd..ea2ff78dcf7 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -5,7 +5,6 @@ */ #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/freezer.h> #include <linux/kthread.h> diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 33217fc3d69..e9f0d500448 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -396,6 +396,7 @@ static int get_name(struct socket *sock, struct sockaddr *uaddr, struct sockaddr_tipc *addr = (struct sockaddr_tipc *)uaddr; struct tipc_sock *tsock = tipc_sk(sock->sk); + memset(addr, 0, sizeof(*addr)); if (peer) { if ((sock->state != SS_CONNECTED) && ((peer != 2) || (sock->state != SS_DISCONNECTING))) diff --git a/net/wireless/chan.c b/net/wireless/chan.c index d0c92dddb26..17cd0c04d13 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -44,6 +44,38 @@ rdev_freq_to_chan(struct cfg80211_registered_device *rdev, return chan; } +static bool can_beacon_sec_chan(struct wiphy *wiphy, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type) +{ + struct ieee80211_channel *sec_chan; + int diff; + + switch (channel_type) { + case NL80211_CHAN_HT40PLUS: + diff = 20; + break; + case NL80211_CHAN_HT40MINUS: + diff = -20; + break; + default: + return false; + } + + sec_chan = ieee80211_get_channel(wiphy, chan->center_freq + diff); + if (!sec_chan) + return false; + + /* we'll need a DFS capability later */ + if (sec_chan->flags & (IEEE80211_CHAN_DISABLED | + IEEE80211_CHAN_PASSIVE_SCAN | + IEEE80211_CHAN_NO_IBSS | + IEEE80211_CHAN_RADAR)) + return false; + + return true; +} + int cfg80211_set_freq(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, int freq, enum nl80211_channel_type channel_type) @@ -68,6 +100,28 @@ int cfg80211_set_freq(struct cfg80211_registered_device *rdev, if (!chan) return -EINVAL; + /* Both channels should be able to initiate communication */ + if (wdev && (wdev->iftype == NL80211_IFTYPE_ADHOC || + wdev->iftype == NL80211_IFTYPE_AP || + wdev->iftype == NL80211_IFTYPE_AP_VLAN || + wdev->iftype == NL80211_IFTYPE_MESH_POINT || + wdev->iftype == NL80211_IFTYPE_P2P_GO)) { + switch (channel_type) { + case NL80211_CHAN_HT40PLUS: + case NL80211_CHAN_HT40MINUS: + if (!can_beacon_sec_chan(&rdev->wiphy, chan, + channel_type)) { + printk(KERN_DEBUG + "cfg80211: Secondary channel not " + "allowed to initiate communication\n"); + return -EINVAL; + } + break; + default: + break; + } + } + result = rdev->ops->set_channel(&rdev->wiphy, wdev ? wdev->netdev : NULL, chan, channel_type); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index c506241f863..4e78e3f2679 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -224,8 +224,8 @@ static int nl80211_prepare_netdev_dump(struct sk_buff *skb, } *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); - if (IS_ERR(dev)) { - err = PTR_ERR(dev); + if (IS_ERR(*rdev)) { + err = PTR_ERR(*rdev); goto out_rtnl; } diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c index 771bab00754..55187c8f642 100644 --- a/net/x25/x25_facilities.c +++ b/net/x25/x25_facilities.c @@ -61,6 +61,8 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities, while (len > 0) { switch (*p & X25_FAC_CLASS_MASK) { case X25_FAC_CLASS_A: + if (len < 2) + return 0; switch (*p) { case X25_FAC_REVERSE: if((p[1] & 0x81) == 0x81) { @@ -104,6 +106,8 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities, len -= 2; break; case X25_FAC_CLASS_B: + if (len < 3) + return 0; switch (*p) { case X25_FAC_PACKET_SIZE: facilities->pacsize_in = p[1]; @@ -125,6 +129,8 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities, len -= 3; break; case X25_FAC_CLASS_C: + if (len < 4) + return 0; printk(KERN_DEBUG "X.25: unknown facility %02X, " "values %02X, %02X, %02X\n", p[0], p[1], p[2], p[3]); @@ -132,26 +138,26 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities, len -= 4; break; case X25_FAC_CLASS_D: + if (len < p[1] + 2) + return 0; switch (*p) { case X25_FAC_CALLING_AE: - if (p[1] > X25_MAX_DTE_FACIL_LEN) - break; + if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1) + return 0; dte_facs->calling_len = p[2]; memcpy(dte_facs->calling_ae, &p[3], p[1] - 1); *vc_fac_mask |= X25_MASK_CALLING_AE; break; case X25_FAC_CALLED_AE: - if (p[1] > X25_MAX_DTE_FACIL_LEN) - break; + if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1) + return 0; dte_facs->called_len = p[2]; memcpy(dte_facs->called_ae, &p[3], p[1] - 1); *vc_fac_mask |= X25_MASK_CALLED_AE; break; default: printk(KERN_DEBUG "X.25: unknown facility %02X," - "length %d, values %02X, %02X, " - "%02X, %02X\n", - p[0], p[1], p[2], p[3], p[4], p[5]); + "length %d\n", p[0], p[1]); break; } len -= p[1] + 2; diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c index 63178961efa..f729f022be6 100644 --- a/net/x25/x25_in.c +++ b/net/x25/x25_in.c @@ -119,6 +119,8 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp &x25->vc_facil_mask); if (len > 0) skb_pull(skb, len); + else + return -1; /* * Copy any Call User Data. */ diff --git a/net/xfrm/xfrm_hash.c b/net/xfrm/xfrm_hash.c index a2023ec5232..1e98bc0fe0a 100644 --- a/net/xfrm/xfrm_hash.c +++ b/net/xfrm/xfrm_hash.c @@ -19,7 +19,7 @@ struct hlist_head *xfrm_hash_alloc(unsigned int sz) if (sz <= PAGE_SIZE) n = kzalloc(sz, GFP_KERNEL); else if (hashdist) - n = __vmalloc(sz, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL); + n = vzalloc(sz); else n = (struct hlist_head *) __get_free_pages(GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO, diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index c0efe102d65..af6e9f3de95 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -875,7 +875,7 @@ const char *sym_expand_string_value(const char *in) symval = sym_get_string_value(sym); } - newlen = strlen(res) + strlen(symval) + strlen(src); + newlen = strlen(res) + strlen(symval) + strlen(src) + 1; if (newlen > reslen) { reslen = newlen; res = realloc(res, reslen); diff --git a/scripts/kernel-doc b/scripts/kernel-doc index cdb6dc1f645..39580a5dc5d 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -5,7 +5,7 @@ use strict; ## Copyright (c) 1998 Michael Zucchi, All Rights Reserved ## ## Copyright (C) 2000, 1 Tim Waugh <twaugh@redhat.com> ## ## Copyright (C) 2001 Simon Huggins ## -## Copyright (C) 2005-2009 Randy Dunlap ## +## Copyright (C) 2005-2010 Randy Dunlap ## ## ## ## #define enhancements by Armin Kuster <akuster@mvista.com> ## ## Copyright (c) 2000 MontaVista Software, Inc. ## @@ -453,7 +453,7 @@ sub output_highlight { if ($output_mode eq "html" || $output_mode eq "xml") { $contents = local_unescape($contents); # convert data read & converted thru xml_escape() into &xyz; format: - $contents =~ s/\\\\\\/&/g; + $contents =~ s/\\\\\\/\&/g; } # print STDERR "contents b4:$contents\n"; eval $dohighlight; @@ -770,7 +770,11 @@ sub output_struct_xml(%) { print $args{'type'} . " " . $args{'struct'} . " {\n"; foreach $parameter (@{$args{'parameterlist'}}) { if ($parameter =~ /^#/) { - print "$parameter\n"; + my $prm = $parameter; + # convert data read & converted thru xml_escape() into &xyz; format: + # This allows us to have #define macros interspersed in a struct. + $prm =~ s/\\\\\\/\&/g; + print "$prm\n"; next; } @@ -1701,6 +1705,8 @@ sub push_parameter($$$) { } } + $param = xml_escape($param); + # strip spaces from $param so that it is one continous string # on @parameterlist; # this fixes a problem where check_sections() cannot find diff --git a/security/Kconfig b/security/Kconfig index bd72ae62349..e80da955e68 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -39,6 +39,18 @@ config KEYS_DEBUG_PROC_KEYS If you are unsure as to whether this is required, answer N. +config SECURITY_DMESG_RESTRICT + bool "Restrict unprivileged access to the kernel syslog" + default n + help + This enforces restrictions on unprivileged users reading the kernel + syslog via dmesg(8). + + If this option is not selected, no restrictions will be enforced + unless the dmesg_restrict sysctl is explicitly set to (1). + + If you are unsure how to answer this question, answer N. + config SECURITY bool "Enable different security models" depends on SYSFS diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index cf1de4462cc..b7106f192b7 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -922,7 +922,7 @@ static int __init apparmor_init(void) error = register_security(&apparmor_ops); if (error) { AA_ERROR("Unable to register AppArmor\n"); - goto register_security_out; + goto set_init_cxt_out; } /* Report that AppArmor successfully initialized */ @@ -936,6 +936,9 @@ static int __init apparmor_init(void) return error; +set_init_cxt_out: + aa_free_task_context(current->real_cred->security); + register_security_out: aa_free_root_ns(); @@ -944,7 +947,6 @@ alloc_out: apparmor_enabled = 0; return error; - } security_initcall(apparmor_init); diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index 52cc865f146..4f0eadee78b 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -306,7 +306,7 @@ static struct aa_namespace *alloc_namespace(const char *prefix, return ns; fail_unconfined: - kzfree(ns->base.name); + kzfree(ns->base.hname); fail_ns: kzfree(ns); return NULL; diff --git a/security/capability.c b/security/capability.c index 30ae00fbecd..c773635ca3a 100644 --- a/security/capability.c +++ b/security/capability.c @@ -17,6 +17,11 @@ static int cap_sysctl(ctl_table *table, int op) return 0; } +static int cap_syslog(int type) +{ + return 0; +} + static int cap_quotactl(int cmds, int type, int id, struct super_block *sb) { return 0; diff --git a/security/commoncap.c b/security/commoncap.c index 5e632b4857e..64c2ed9c901 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -27,7 +27,6 @@ #include <linux/sched.h> #include <linux/prctl.h> #include <linux/securebits.h> -#include <linux/syslog.h> /* * If a non-root user executes a setuid-root binary in @@ -884,24 +883,6 @@ error: } /** - * cap_syslog - Determine whether syslog function is permitted - * @type: Function requested - * @from_file: Whether this request came from an open file (i.e. /proc) - * - * Determine whether the current process is permitted to use a particular - * syslog function, returning 0 if permission is granted, -ve if not. - */ -int cap_syslog(int type, bool from_file) -{ - if (type != SYSLOG_ACTION_OPEN && from_file) - return 0; - if ((type != SYSLOG_ACTION_READ_ALL && - type != SYSLOG_ACTION_SIZE_BUFFER) && !capable(CAP_SYS_ADMIN)) - return -EPERM; - return 0; -} - -/** * cap_vm_enough_memory - Determine whether a new virtual mapping is permitted * @mm: The VM space in which the new mapping is to be made * @pages: The size of the mapping diff --git a/security/security.c b/security/security.c index 3ef5e2a7a74..1b798d3df71 100644 --- a/security/security.c +++ b/security/security.c @@ -197,9 +197,9 @@ int security_quota_on(struct dentry *dentry) return security_ops->quota_on(dentry); } -int security_syslog(int type, bool from_file) +int security_syslog(int type) { - return security_ops->syslog(type, from_file); + return security_ops->syslog(type); } int security_settime(struct timespec *ts, struct timezone *tz) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index d9154cf90ae..65fa8bf596f 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1973,14 +1973,10 @@ static int selinux_quota_on(struct dentry *dentry) return dentry_has_perm(cred, NULL, dentry, FILE__QUOTAON); } -static int selinux_syslog(int type, bool from_file) +static int selinux_syslog(int type) { int rc; - rc = cap_syslog(type, from_file); - if (rc) - return rc; - switch (type) { case SYSLOG_ACTION_READ_ALL: /* Read last kernel messages */ case SYSLOG_ACTION_SIZE_BUFFER: /* Return size of the log buffer */ diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index bc39f4067af..489a85afa47 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -157,15 +157,11 @@ static int smack_ptrace_traceme(struct task_struct *ptp) * * Returns 0 on success, error code otherwise. */ -static int smack_syslog(int type, bool from_file) +static int smack_syslog(int typefrom_file) { - int rc; + int rc = 0; char *sp = current_security(); - rc = cap_syslog(type, from_file); - if (rc != 0) - return rc; - if (capable(CAP_MAC_OVERRIDE)) return 0; diff --git a/sound/atmel/abdac.c b/sound/atmel/abdac.c index f2f41c85422..6e240918189 100644 --- a/sound/atmel/abdac.c +++ b/sound/atmel/abdac.c @@ -420,9 +420,9 @@ static int __devinit atmel_abdac_probe(struct platform_device *pdev) return PTR_ERR(pclk); } sample_clk = clk_get(&pdev->dev, "sample_clk"); - if (IS_ERR(pclk)) { + if (IS_ERR(sample_clk)) { dev_dbg(&pdev->dev, "no sample clock\n"); - retval = PTR_ERR(pclk); + retval = PTR_ERR(sample_clk); goto out_put_pclk; } clk_enable(pclk); diff --git a/sound/core/info.c b/sound/core/info.c index b70564ed8b3..7077f601da5 100644 --- a/sound/core/info.c +++ b/sound/core/info.c @@ -23,7 +23,6 @@ #include <linux/time.h> #include <linux/mm.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <sound/core.h> #include <sound/minors.h> diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 5c8c7dff8ed..b753ec661fc 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -1510,16 +1510,19 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use static int snd_pcm_oss_reset(struct snd_pcm_oss_file *pcm_oss_file) { struct snd_pcm_substream *substream; + struct snd_pcm_runtime *runtime; + int i; - substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK]; - if (substream != NULL) { - snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL); - substream->runtime->oss.prepare = 1; - } - substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE]; - if (substream != NULL) { + for (i = 0; i < 2; i++) { + substream = pcm_oss_file->streams[i]; + if (!substream) + continue; + runtime = substream->runtime; snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL); - substream->runtime->oss.prepare = 1; + runtime->oss.prepare = 1; + runtime->oss.buffer_used = 0; + runtime->oss.prev_hw_ptr_period = 0; + runtime->oss.period_ptr = 0; } return 0; } diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index a1707cca9c6..b75db8e9cc0 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -223,7 +223,7 @@ static void xrun_log(struct snd_pcm_substream *substream, entry->jiffies = jiffies; entry->pos = pos; entry->period_size = runtime->period_size; - entry->buffer_size = runtime->buffer_size;; + entry->buffer_size = runtime->buffer_size; entry->old_hw_ptr = runtime->status->hw_ptr; entry->hw_ptr_base = runtime->hw_ptr_base; log->idx = (log->idx + 1) % XRUN_LOG_CNT; diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 8bc7cb3db33..e82c1f97d99 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -22,7 +22,6 @@ #include <linux/mm.h> #include <linux/file.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/time.h> #include <linux/pm_qos_params.h> #include <linux/uio.h> diff --git a/sound/core/sound.c b/sound/core/sound.c index 62a093efb45..66691fe437e 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -21,7 +21,6 @@ #include <linux/init.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/time.h> #include <linux/device.h> #include <linux/moduleparam.h> diff --git a/sound/oss/dev_table.c b/sound/oss/dev_table.c index 727bdb9ba2d..d8cf3e58dc7 100644 --- a/sound/oss/dev_table.c +++ b/sound/oss/dev_table.c @@ -71,7 +71,7 @@ int sound_install_audiodrv(int vers, char *name, struct audio_driver *driver, if (sound_nblocks >= MAX_MEM_BLOCKS) sound_nblocks = MAX_MEM_BLOCKS - 1; - op = (struct audio_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct audio_operations))); + op = (struct audio_operations *) (sound_mem_blocks[sound_nblocks] = vzalloc(sizeof(struct audio_operations))); sound_nblocks++; if (sound_nblocks >= MAX_MEM_BLOCKS) sound_nblocks = MAX_MEM_BLOCKS - 1; @@ -81,7 +81,6 @@ int sound_install_audiodrv(int vers, char *name, struct audio_driver *driver, sound_unload_audiodev(num); return -(ENOMEM); } - memset((char *) op, 0, sizeof(struct audio_operations)); init_waitqueue_head(&op->in_sleeper); init_waitqueue_head(&op->out_sleeper); init_waitqueue_head(&op->poll_sleeper); @@ -128,7 +127,7 @@ int sound_install_mixer(int vers, char *name, struct mixer_operations *driver, /* FIXME: This leaks a mixer_operations struct every time its called until you unload sound! */ - op = (struct mixer_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct mixer_operations))); + op = (struct mixer_operations *) (sound_mem_blocks[sound_nblocks] = vzalloc(sizeof(struct mixer_operations))); sound_nblocks++; if (sound_nblocks >= MAX_MEM_BLOCKS) sound_nblocks = MAX_MEM_BLOCKS - 1; @@ -137,7 +136,6 @@ int sound_install_mixer(int vers, char *name, struct mixer_operations *driver, printk(KERN_ERR "Sound: Can't allocate mixer driver for (%s)\n", name); return -ENOMEM; } - memset((char *) op, 0, sizeof(struct mixer_operations)); memcpy((char *) op, (char *) driver, driver_size); strlcpy(op->name, name, sizeof(op->name)); diff --git a/sound/oss/midibuf.c b/sound/oss/midibuf.c index 782b3b84dac..ceedb1eff20 100644 --- a/sound/oss/midibuf.c +++ b/sound/oss/midibuf.c @@ -178,7 +178,7 @@ int MIDIbuf_open(int dev, struct file *file) return err; parms[dev].prech_timeout = MAX_SCHEDULE_TIMEOUT; - midi_in_buf[dev] = (struct midi_buf *) vmalloc(sizeof(struct midi_buf)); + midi_in_buf[dev] = vmalloc(sizeof(struct midi_buf)); if (midi_in_buf[dev] == NULL) { @@ -188,7 +188,7 @@ int MIDIbuf_open(int dev, struct file *file) } midi_in_buf[dev]->len = midi_in_buf[dev]->head = midi_in_buf[dev]->tail = 0; - midi_out_buf[dev] = (struct midi_buf *) vmalloc(sizeof(struct midi_buf)); + midi_out_buf[dev] = vmalloc(sizeof(struct midi_buf)); if (midi_out_buf[dev] == NULL) { diff --git a/sound/oss/pss.c b/sound/oss/pss.c index e19dd5dcc2d..9b800ce5100 100644 --- a/sound/oss/pss.c +++ b/sound/oss/pss.c @@ -859,7 +859,7 @@ static int pss_coproc_ioctl(void *dev_info, unsigned int cmd, void __user *arg, return 0; case SNDCTL_COPR_LOAD: - buf = (copr_buffer *) vmalloc(sizeof(copr_buffer)); + buf = vmalloc(sizeof(copr_buffer)); if (buf == NULL) return -ENOSPC; if (copy_from_user(buf, arg, sizeof(copr_buffer))) { @@ -871,7 +871,7 @@ static int pss_coproc_ioctl(void *dev_info, unsigned int cmd, void __user *arg, return err; case SNDCTL_COPR_SENDMSG: - mbuf = (copr_msg *)vmalloc(sizeof(copr_msg)); + mbuf = vmalloc(sizeof(copr_msg)); if (mbuf == NULL) return -ENOSPC; if (copy_from_user(mbuf, arg, sizeof(copr_msg))) { @@ -895,7 +895,7 @@ static int pss_coproc_ioctl(void *dev_info, unsigned int cmd, void __user *arg, case SNDCTL_COPR_RCVMSG: err = 0; - mbuf = (copr_msg *)vmalloc(sizeof(copr_msg)); + mbuf = vmalloc(sizeof(copr_msg)); if (mbuf == NULL) return -ENOSPC; data = (unsigned short *)mbuf->data; diff --git a/sound/oss/sequencer.c b/sound/oss/sequencer.c index e85789e5381..5ea1098ac42 100644 --- a/sound/oss/sequencer.c +++ b/sound/oss/sequencer.c @@ -1646,13 +1646,13 @@ void sequencer_init(void) { if (sequencer_ok) return; - queue = (unsigned char *)vmalloc(SEQ_MAX_QUEUE * EV_SZ); + queue = vmalloc(SEQ_MAX_QUEUE * EV_SZ); if (queue == NULL) { printk(KERN_ERR "sequencer: Can't allocate memory for sequencer output queue\n"); return; } - iqueue = (unsigned char *)vmalloc(SEQ_MAX_QUEUE * IEV_SZ); + iqueue = vmalloc(SEQ_MAX_QUEUE * IEV_SZ); if (iqueue == NULL) { printk(KERN_ERR "sequencer: Can't allocate memory for sequencer input queue\n"); diff --git a/sound/pci/asihpi/hpi6000.c b/sound/pci/asihpi/hpi6000.c index f7e374ec441..1b9bf9395cf 100644 --- a/sound/pci/asihpi/hpi6000.c +++ b/sound/pci/asihpi/hpi6000.c @@ -625,6 +625,8 @@ static short create_adapter_obj(struct hpi_adapter_obj *pao, control_cache_size, (struct hpi_control_cache_info *) &phw->control_cache[0] ); + if (!phw->p_cache) + pao->has_control_cache = 0; } else pao->has_control_cache = 0; diff --git a/sound/pci/asihpi/hpi6205.c b/sound/pci/asihpi/hpi6205.c index 22c5fc62553..2672f6591ce 100644 --- a/sound/pci/asihpi/hpi6205.c +++ b/sound/pci/asihpi/hpi6205.c @@ -644,6 +644,8 @@ static u16 create_adapter_obj(struct hpi_adapter_obj *pao, interface->control_cache.size_in_bytes, (struct hpi_control_cache_info *) p_control_cache_virtual); + if (!phw->p_cache) + err = HPI_ERROR_MEMORY_ALLOC; } if (!err) { err = hpios_locked_mem_get_phys_addr(&phw-> diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c index dda4f1c6f65..d67f4d3db91 100644 --- a/sound/pci/asihpi/hpicmn.c +++ b/sound/pci/asihpi/hpicmn.c @@ -571,14 +571,20 @@ struct hpi_control_cache *hpi_alloc_control_cache(const u32 { struct hpi_control_cache *p_cache = kmalloc(sizeof(*p_cache), GFP_KERNEL); + if (!p_cache) + return NULL; + p_cache->p_info = + kmalloc(sizeof(*p_cache->p_info) * number_of_controls, + GFP_KERNEL); + if (!p_cache->p_info) { + kfree(p_cache); + return NULL; + } p_cache->cache_size_in_bytes = size_in_bytes; p_cache->control_count = number_of_controls; p_cache->p_cache = (struct hpi_control_cache_single *)pDSP_control_buffer; p_cache->init = 0; - p_cache->p_info = - kmalloc(sizeof(*p_cache->p_info) * p_cache->control_count, - GFP_KERNEL); return p_cache; } diff --git a/sound/pci/asihpi/hpioctl.c b/sound/pci/asihpi/hpioctl.c index 62895a719fc..22dbd91811a 100644 --- a/sound/pci/asihpi/hpioctl.c +++ b/sound/pci/asihpi/hpioctl.c @@ -435,7 +435,7 @@ void __devexit asihpi_adapter_remove(struct pci_dev *pci_dev) struct hpi_message hm; struct hpi_response hr; struct hpi_adapter *pa; - pa = (struct hpi_adapter *)pci_get_drvdata(pci_dev); + pa = pci_get_drvdata(pci_dev); hpi_init_message_response(&hm, &hr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_DELETE_ADAPTER); diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c index 4679ed83a43..2f3cacbd552 100644 --- a/sound/pci/azt3328.c +++ b/sound/pci/azt3328.c @@ -1129,10 +1129,11 @@ snd_azf3328_codec_setdmaa(struct snd_azf3328 *chip, count_areas = size/2; addr_area2 = addr+count_areas; - count_areas--; /* max. index */ snd_azf3328_dbgcodec("setdma: buffers %08lx[%u] / %08lx[%u]\n", addr, count_areas, addr_area2, count_areas); + count_areas--; /* max. index */ + /* build combined I/O buffer length word */ lengths = (count_areas << 16) | (count_areas); spin_lock_irqsave(&chip->reg_lock, flags); @@ -1740,11 +1741,15 @@ static const struct snd_pcm_hardware snd_azf3328_hardware = .rate_max = AZF_FREQ_66200, .channels_min = 1, .channels_max = 2, - .buffer_bytes_max = 65536, - .period_bytes_min = 64, - .period_bytes_max = 65536, - .periods_min = 1, - .periods_max = 1024, + .buffer_bytes_max = (64*1024), + .period_bytes_min = 1024, + .period_bytes_max = (32*1024), + /* We simply have two DMA areas (instead of a list of descriptors + such as other cards); I believe that this is a fixed hardware + attribute and there isn't much driver magic to be done to expand it. + Thus indicate that we have at least and at most 2 periods. */ + .periods_min = 2, + .periods_max = 2, /* FIXME: maybe that card actually has a FIFO? * Hmm, it seems newer revisions do have one, but we still don't know * its size... */ @@ -1980,8 +1985,13 @@ snd_azf3328_timer_stop(struct snd_timer *timer) chip = snd_timer_chip(timer); spin_lock_irqsave(&chip->reg_lock, flags); /* disable timer countdown and interrupt */ - /* FIXME: should we write TIMER_IRQ_ACK here? */ - snd_azf3328_ctrl_outb(chip, IDX_IO_TIMER_VALUE + 3, 0); + /* Hmm, should we write TIMER_IRQ_ACK here? + YES indeed, otherwise a rogue timer operation - which prompts + ALSA(?) to call repeated stop() in vain, but NOT start() - + will never end (value 0x03 is kept shown in control byte). + Simply manually poking 0x04 _once_ immediately successfully stops + the hardware/ALSA interrupt activity. */ + snd_azf3328_ctrl_outb(chip, IDX_IO_TIMER_VALUE + 3, 0x04); spin_unlock_irqrestore(&chip->reg_lock, flags); snd_azf3328_dbgcallleave(); return 0; diff --git a/sound/pci/cs46xx/dsp_spos.c b/sound/pci/cs46xx/dsp_spos.c index 3e5ca8fb519..e377287192a 100644 --- a/sound/pci/cs46xx/dsp_spos.c +++ b/sound/pci/cs46xx/dsp_spos.c @@ -225,39 +225,25 @@ struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip) { struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL); - if (ins == NULL) + if (ins == NULL) return NULL; /* better to use vmalloc for this big table */ - ins->symbol_table.nsymbols = 0; ins->symbol_table.symbols = vmalloc(sizeof(struct dsp_symbol_entry) * DSP_MAX_SYMBOLS); - ins->symbol_table.highest_frag_index = 0; - - if (ins->symbol_table.symbols == NULL) { + ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL); + ins->modules = kmalloc(sizeof(struct dsp_module_desc) * DSP_MAX_MODULES, GFP_KERNEL); + if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) { cs46xx_dsp_spos_destroy(chip); goto error; } - + ins->symbol_table.nsymbols = 0; + ins->symbol_table.highest_frag_index = 0; ins->code.offset = 0; ins->code.size = 0; - ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL); - - if (ins->code.data == NULL) { - cs46xx_dsp_spos_destroy(chip); - goto error; - } - ins->nscb = 0; ins->ntask = 0; - ins->nmodules = 0; - ins->modules = kmalloc(sizeof(struct dsp_module_desc) * DSP_MAX_MODULES, GFP_KERNEL); - - if (ins->modules == NULL) { - cs46xx_dsp_spos_destroy(chip); - goto error; - } /* default SPDIF input sample rate to 48000 khz */ @@ -271,8 +257,8 @@ struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip) /* set left and right validity bits and default channel status */ - ins->spdif_csuv_default = - ins->spdif_csuv_stream = + ins->spdif_csuv_default = + ins->spdif_csuv_stream = /* byte 0 */ ((unsigned int)_wrap_all_bits( (SNDRV_PCM_DEFAULT_CON_SPDIF & 0xff)) << 24) | /* byte 1 */ ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) | /* byte 3 */ (unsigned int)_wrap_all_bits( (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) | @@ -281,6 +267,9 @@ struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip) return ins; error: + kfree(ins->modules); + kfree(ins->code.data); + vfree(ins->symbol_table.symbols); kfree(ins); return NULL; } diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index 85ab43e8921..457d21189b0 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -129,8 +129,6 @@ static int ct_pcm_playback_open(struct snd_pcm_substream *substream) apcm->substream = substream; apcm->interrupt = ct_atc_pcm_interrupt; - runtime->private_data = apcm; - runtime->private_free = ct_atc_pcm_free_substream; if (IEC958 == substream->pcm->device) { runtime->hw = ct_spdif_passthru_playback_hw; atc->spdif_out_passthru(atc, 1); @@ -155,8 +153,12 @@ static int ct_pcm_playback_open(struct snd_pcm_substream *substream) } apcm->timer = ct_timer_instance_new(atc->timer, apcm); - if (!apcm->timer) + if (!apcm->timer) { + kfree(apcm); return -ENOMEM; + } + runtime->private_data = apcm; + runtime->private_free = ct_atc_pcm_free_substream; return 0; } @@ -278,8 +280,6 @@ static int ct_pcm_capture_open(struct snd_pcm_substream *substream) apcm->started = 0; apcm->substream = substream; apcm->interrupt = ct_atc_pcm_interrupt; - runtime->private_data = apcm; - runtime->private_free = ct_atc_pcm_free_substream; runtime->hw = ct_pcm_capture_hw; runtime->hw.rate_max = atc->rsr * atc->msr; @@ -298,8 +298,12 @@ static int ct_pcm_capture_open(struct snd_pcm_substream *substream) } apcm->timer = ct_timer_instance_new(atc->timer, apcm); - if (!apcm->timer) + if (!apcm->timer) { + kfree(apcm); return -ENOMEM; + } + runtime->private_data = apcm; + runtime->private_free = ct_atc_pcm_free_substream; return 0; } diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c index cb0c23a6b47..4a663471dad 100644 --- a/sound/pci/hda/hda_eld.c +++ b/sound/pci/hda/hda_eld.c @@ -189,6 +189,9 @@ static void hdmi_update_short_audio_desc(struct cea_sad *a, a->channels = GRAB_BITS(buf, 0, 0, 3); a->channels++; + a->sample_bits = 0; + a->max_bitrate = 0; + a->format = GRAB_BITS(buf, 0, 3, 4); switch (a->format) { case AUDIO_CODING_TYPE_REF_STREAM_HEADER: @@ -198,7 +201,6 @@ static void hdmi_update_short_audio_desc(struct cea_sad *a, case AUDIO_CODING_TYPE_LPCM: val = GRAB_BITS(buf, 2, 0, 3); - a->sample_bits = 0; for (i = 0; i < 3; i++) if (val & (1 << i)) a->sample_bits |= cea_sample_sizes[i + 1]; @@ -598,24 +600,19 @@ void hdmi_eld_update_pcm_info(struct hdmi_eld *eld, struct hda_pcm_stream *pcm, { int i; - pcm->rates = 0; - pcm->formats = 0; - pcm->maxbps = 0; - pcm->channels_min = -1; - pcm->channels_max = 0; + /* assume basic audio support (the basic audio flag is not in ELD; + * however, all audio capable sinks are required to support basic + * audio) */ + pcm->rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000; + pcm->formats = SNDRV_PCM_FMTBIT_S16_LE; + pcm->maxbps = 16; + pcm->channels_max = 2; for (i = 0; i < eld->sad_count; i++) { struct cea_sad *a = &eld->sad[i]; pcm->rates |= a->rates; - if (a->channels < pcm->channels_min) - pcm->channels_min = a->channels; if (a->channels > pcm->channels_max) pcm->channels_max = a->channels; if (a->format == AUDIO_CODING_TYPE_LPCM) { - if (a->sample_bits & AC_SUPPCM_BITS_16) { - pcm->formats |= SNDRV_PCM_FMTBIT_S16_LE; - if (pcm->maxbps < 16) - pcm->maxbps = 16; - } if (a->sample_bits & AC_SUPPCM_BITS_20) { pcm->formats |= SNDRV_PCM_FMTBIT_S32_LE; if (pcm->maxbps < 20) @@ -635,7 +632,6 @@ void hdmi_eld_update_pcm_info(struct hdmi_eld *eld, struct hda_pcm_stream *pcm, /* restrict the parameters by the values the codec provides */ pcm->rates &= codec_pars->rates; pcm->formats &= codec_pars->formats; - pcm->channels_min = max(pcm->channels_min, codec_pars->channels_min); pcm->channels_max = min(pcm->channels_max, codec_pars->channels_max); pcm->maxbps = min(pcm->maxbps, codec_pars->maxbps); } diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 21aa9b0e28f..b030c8eba21 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2296,6 +2296,7 @@ static int azx_dev_free(struct snd_device *device) */ static struct snd_pci_quirk position_fix_list[] __devinitdata = { SND_PCI_QUIRK(0x1025, 0x009f, "Acer Aspire 5110", POS_FIX_LPIB), + SND_PCI_QUIRK(0x1025, 0x026f, "Acer Aspire 5538", POS_FIX_LPIB), SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB), SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB), SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB), diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index 460fb2ef7e3..18af38ebf75 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -1166,6 +1166,7 @@ static const char *cs420x_models[CS420X_MODELS] = { static struct snd_pci_quirk cs420x_cfg_tbl[] = { SND_PCI_QUIRK(0x10de, 0x0ac0, "MacBookPro 5,3", CS420X_MBP53), + SND_PCI_QUIRK(0x10de, 0x0d94, "MacBookAir 3,1(2)", CS420X_MBP55), SND_PCI_QUIRK(0x10de, 0xcb79, "MacBookPro 5,5", CS420X_MBP55), SND_PCI_QUIRK(0x10de, 0xcb89, "MacBookPro 7,1", CS420X_MBP55), SND_PCI_QUIRK(0x8086, 0x7270, "IMac 27 Inch", CS420X_IMAC27), diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 6361f752b5f..76bd58a0e2b 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -2116,8 +2116,8 @@ static void cxt5066_update_speaker(struct hda_codec *codec) struct conexant_spec *spec = codec->spec; unsigned int pinctl; - snd_printdd("CXT5066: update speaker, hp_present=%d\n", - spec->hp_present); + snd_printdd("CXT5066: update speaker, hp_present=%d, cur_eapd=%d\n", + spec->hp_present, spec->cur_eapd); /* Port A (HP) */ pinctl = ((spec->hp_present & 1) && spec->cur_eapd) ? PIN_HP : 0; @@ -2125,11 +2125,20 @@ static void cxt5066_update_speaker(struct hda_codec *codec) pinctl); /* Port D (HP/LO) */ - pinctl = ((spec->hp_present & 2) && spec->cur_eapd) - ? spec->port_d_mode : 0; - /* Mute if Port A is connected on Thinkpad */ - if (spec->thinkpad && (spec->hp_present & 1)) - pinctl = 0; + if (spec->dell_automute) { + /* DELL AIO Port Rule: PortA> PortD> IntSpk */ + pinctl = (!(spec->hp_present & 1) && spec->cur_eapd) + ? PIN_OUT : 0; + } else if (spec->thinkpad) { + if (spec->cur_eapd) + pinctl = spec->port_d_mode; + /* Mute dock line-out if Port A (laptop HP) is present */ + if (spec->hp_present& 1) + pinctl = 0; + } else { + pinctl = ((spec->hp_present & 2) && spec->cur_eapd) + ? spec->port_d_mode : 0; + } snd_hda_codec_write(codec, 0x1c, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl); @@ -2137,14 +2146,6 @@ static void cxt5066_update_speaker(struct hda_codec *codec) pinctl = (!spec->hp_present && spec->cur_eapd) ? PIN_OUT : 0; snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl); - - if (spec->dell_automute) { - /* DELL AIO Port Rule: PortA > PortD > IntSpk */ - pinctl = (!(spec->hp_present & 1) && spec->cur_eapd) - ? PIN_OUT : 0; - snd_hda_codec_write(codec, 0x1c, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl); - } } /* turn on/off EAPD (+ mute HP) as a master switch */ @@ -3095,11 +3096,11 @@ static const char *cxt5066_models[CXT5066_MODELS] = { static struct snd_pci_quirk cxt5066_cfg_tbl[] = { SND_PCI_QUIRK_MASK(0x1025, 0xff00, 0x0400, "Acer", CXT5066_IDEAPAD), SND_PCI_QUIRK(0x1028, 0x02d8, "Dell Vostro", CXT5066_DELL_VOSTRO), - SND_PCI_QUIRK(0x1028, 0x02f5, "Dell", - CXT5066_DELL_LAPTOP), + SND_PCI_QUIRK(0x1028, 0x02f5, "Dell Vostro 320", CXT5066_IDEAPAD), SND_PCI_QUIRK(0x1028, 0x0402, "Dell Vostro", CXT5066_DELL_VOSTRO), SND_PCI_QUIRK(0x1028, 0x0408, "Dell Inspiron One 19T", CXT5066_IDEAPAD), SND_PCI_QUIRK(0x103c, 0x360b, "HP G60", CXT5066_HP_LAPTOP), + SND_PCI_QUIRK(0x1043, 0x13f3, "Asus A52J", CXT5066_HP_LAPTOP), SND_PCI_QUIRK(0x1179, 0xff1e, "Toshiba Satellite C650D", CXT5066_IDEAPAD), SND_PCI_QUIRK(0x1179, 0xff50, "Toshiba Satellite P500-PSPGSC-01800T", CXT5066_OLPC_XO_1_5), SND_PCI_QUIRK(0x1179, 0xffe0, "Toshiba Satellite Pro T130-15F", CXT5066_OLPC_XO_1_5), @@ -3108,8 +3109,10 @@ static struct snd_pci_quirk cxt5066_cfg_tbl[] = { SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT5066_OLPC_XO_1_5), SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400s", CXT5066_THINKPAD), SND_PCI_QUIRK(0x17aa, 0x21b2, "Thinkpad X100e", CXT5066_IDEAPAD), + SND_PCI_QUIRK(0x17aa, 0x21c5, "Thinkpad Edge 13", CXT5066_THINKPAD), SND_PCI_QUIRK(0x17aa, 0x21b3, "Thinkpad Edge 13 (197)", CXT5066_IDEAPAD), SND_PCI_QUIRK(0x17aa, 0x21b4, "Thinkpad Edge", CXT5066_IDEAPAD), + SND_PCI_QUIRK(0x17aa, 0x21c8, "Thinkpad Edge 11", CXT5066_IDEAPAD), SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo Thinkpad", CXT5066_THINKPAD), SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo G series", CXT5066_IDEAPAD), SND_PCI_QUIRK(0x17aa, 0x390a, "Lenovo S10-3t", CXT5066_IDEAPAD), diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index d3e49aa5b9e..31df7747990 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -834,7 +834,6 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, return -ENODEV; } else { /* fallback to the codec default */ - hinfo->channels_min = codec_pars->channels_min; hinfo->channels_max = codec_pars->channels_max; hinfo->rates = codec_pars->rates; hinfo->formats = codec_pars->formats; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 5f00589cb79..427da45d790 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1614,6 +1614,7 @@ do_sku: spec->init_amp = ALC_INIT_GPIO3; break; case 5: + default: spec->init_amp = ALC_INIT_DEFAULT; break; } @@ -2014,6 +2015,36 @@ static struct hda_verb alc888_acer_aspire_6530g_verbs[] = { }; /* + *ALC888 Acer Aspire 7730G model + */ + +static struct hda_verb alc888_acer_aspire_7730G_verbs[] = { +/* Bias voltage on for external mic port */ + {0x18, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN | PIN_VREF80}, +/* Front Mic: set to PIN_IN (empty by default) */ + {0x12, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN}, +/* Unselect Front Mic by default in input mixer 3 */ + {0x22, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0xb)}, +/* Enable unsolicited event for HP jack */ + {0x15, AC_VERB_SET_UNSOLICITED_ENABLE, ALC880_HP_EVENT | AC_USRSP_EN}, +/* Enable speaker output */ + {0x14, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT}, + {0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE}, + {0x14, AC_VERB_SET_EAPD_BTLENABLE, 2}, +/* Enable headphone output */ + {0x15, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | PIN_HP}, + {0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE}, + {0x15, AC_VERB_SET_CONNECT_SEL, 0x00}, + {0x15, AC_VERB_SET_EAPD_BTLENABLE, 2}, +/*Enable internal subwoofer */ + {0x17, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT}, + {0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE}, + {0x17, AC_VERB_SET_CONNECT_SEL, 0x02}, + {0x17, AC_VERB_SET_EAPD_BTLENABLE, 2}, + { } +}; + +/* * ALC889 Acer Aspire 8930G model */ @@ -2200,6 +2231,16 @@ static void alc888_acer_aspire_6530g_setup(struct hda_codec *codec) spec->autocfg.speaker_pins[2] = 0x17; } +static void alc888_acer_aspire_7730g_setup(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + + spec->autocfg.hp_pins[0] = 0x15; + spec->autocfg.speaker_pins[0] = 0x14; + spec->autocfg.speaker_pins[1] = 0x16; + spec->autocfg.speaker_pins[2] = 0x17; +} + static void alc889_acer_aspire_8930g_setup(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; @@ -4554,6 +4595,7 @@ static struct snd_pci_quirk alc880_cfg_tbl[] = { SND_PCI_QUIRK(0x1734, 0x10b0, "Fujitsu", ALC880_FUJITSU), SND_PCI_QUIRK(0x1854, 0x0018, "LG LW20", ALC880_LG_LW), SND_PCI_QUIRK(0x1854, 0x003b, "LG", ALC880_LG), + SND_PCI_QUIRK(0x1854, 0x005f, "LG P1 Express", ALC880_LG), SND_PCI_QUIRK(0x1854, 0x0068, "LG w1", ALC880_LG), SND_PCI_QUIRK(0x1854, 0x0077, "LG LW25", ALC880_LG_LW), SND_PCI_QUIRK(0x19db, 0x4188, "TCL S700", ALC880_TCL_S700), @@ -9524,13 +9566,6 @@ static struct hda_verb alc883_acer_eapd_verbs[] = { { } }; -static struct hda_verb alc888_acer_aspire_7730G_verbs[] = { - {0x15, AC_VERB_SET_CONNECT_SEL, 0x00}, - {0x17, AC_VERB_SET_CONNECT_SEL, 0x02}, - {0x15, AC_VERB_SET_UNSOLICITED_ENABLE, ALC880_HP_EVENT | AC_USRSP_EN}, - { } /* end */ -}; - static void alc888_6st_dell_setup(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; @@ -9831,7 +9866,6 @@ static struct snd_pci_quirk alc882_cfg_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x3bfc, "Lenovo NB0763", ALC883_LENOVO_NB0763), SND_PCI_QUIRK(0x17aa, 0x3bfd, "Lenovo NB0763", ALC883_LENOVO_NB0763), SND_PCI_QUIRK(0x17aa, 0x101d, "Lenovo Sky", ALC888_LENOVO_SKY), - SND_PCI_QUIRK(0x17c0, 0x4071, "MEDION MD2", ALC883_MEDION_MD2), SND_PCI_QUIRK(0x17c0, 0x4085, "MEDION MD96630", ALC888_LENOVO_MS7195_DIG), SND_PCI_QUIRK(0x17f2, 0x5000, "Albatron KI690-AM2", ALC883_6ST_DIG), SND_PCI_QUIRK(0x1991, 0x5625, "Haier W66", ALC883_HAIER_W66), @@ -10328,7 +10362,7 @@ static struct alc_config_preset alc882_presets[] = { .const_channel_count = 6, .input_mux = &alc883_capture_source, .unsol_event = alc_automute_amp_unsol_event, - .setup = alc888_acer_aspire_6530g_setup, + .setup = alc888_acer_aspire_7730g_setup, .init_hook = alc_automute_amp, }, [ALC883_MEDION] = { @@ -10796,7 +10830,8 @@ static int alc_auto_add_mic_boost(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; struct auto_pin_cfg *cfg = &spec->autocfg; - int i, err; + int i, err, type; + int type_idx = 0; hda_nid_t nid; for (i = 0; i < cfg->num_inputs; i++) { @@ -10805,9 +10840,15 @@ static int alc_auto_add_mic_boost(struct hda_codec *codec) nid = cfg->inputs[i].pin; if (get_wcaps(codec, nid) & AC_WCAP_IN_AMP) { char label[32]; + type = cfg->inputs[i].type; + if (i > 0 && type == cfg->inputs[i - 1].type) + type_idx++; + else + type_idx = 0; snprintf(label, sizeof(label), "%s Boost", hda_get_autocfg_input_label(codec, cfg, i)); - err = add_control(spec, ALC_CTL_WIDGET_VOL, label, 0, + err = add_control(spec, ALC_CTL_WIDGET_VOL, label, + type_idx, HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_INPUT)); if (err < 0) return err; @@ -14623,7 +14664,10 @@ static int alc275_setup_dual_adc(struct hda_codec *codec) /* different alc269-variants */ enum { ALC269_TYPE_NORMAL, + ALC269_TYPE_ALC258, ALC269_TYPE_ALC259, + ALC269_TYPE_ALC269VB, + ALC269_TYPE_ALC270, ALC269_TYPE_ALC271X, }; @@ -14763,6 +14807,8 @@ static int alc269_resume(struct hda_codec *codec) enum { ALC269_FIXUP_SONY_VAIO, ALC269_FIXUP_DELL_M101Z, + ALC269_FIXUP_LENOVO_EDGE14, + ALC269_FIXUP_ASUS_G73JW, }; static const struct alc_fixup alc269_fixups[] = { @@ -14780,11 +14826,22 @@ static const struct alc_fixup alc269_fixups[] = { {} } }, + [ALC269_FIXUP_LENOVO_EDGE14] = { + .sku = ALC_FIXUP_SKU_IGNORE, + }, + [ALC269_FIXUP_ASUS_G73JW] = { + .pins = (const struct alc_pincfg[]) { + { 0x17, 0x99130111 }, /* subwoofer */ + { } + } + }, }; static struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK_VENDOR(0x104d, "Sony VAIO", ALC269_FIXUP_SONY_VAIO), SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z), + SND_PCI_QUIRK(0x17aa, 0x21b8, "Thinkpad Edge 14", ALC269_FIXUP_LENOVO_EDGE14), + SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW), {} }; @@ -15023,7 +15080,7 @@ static int alc269_fill_coef(struct hda_codec *codec) static int patch_alc269(struct hda_codec *codec) { struct alc_spec *spec; - int board_config; + int board_config, coef; int err; spec = kzalloc(sizeof(*spec), GFP_KERNEL); @@ -15034,14 +15091,23 @@ static int patch_alc269(struct hda_codec *codec) alc_auto_parse_customize_define(codec); - if ((alc_read_coef_idx(codec, 0) & 0x00f0) == 0x0010){ + coef = alc_read_coef_idx(codec, 0); + if ((coef & 0x00f0) == 0x0010) { if (codec->bus->pci->subsystem_vendor == 0x1025 && spec->cdefine.platform_type == 1) { alc_codec_rename(codec, "ALC271X"); spec->codec_variant = ALC269_TYPE_ALC271X; - } else { + } else if ((coef & 0xf000) == 0x1000) { + spec->codec_variant = ALC269_TYPE_ALC270; + } else if ((coef & 0xf000) == 0x2000) { alc_codec_rename(codec, "ALC259"); spec->codec_variant = ALC269_TYPE_ALC259; + } else if ((coef & 0xf000) == 0x3000) { + alc_codec_rename(codec, "ALC258"); + spec->codec_variant = ALC269_TYPE_ALC258; + } else { + alc_codec_rename(codec, "ALC269VB"); + spec->codec_variant = ALC269_TYPE_ALC269VB; } } else alc_fix_pll_init(codec, 0x20, 0x04, 15); @@ -15104,7 +15170,7 @@ static int patch_alc269(struct hda_codec *codec) spec->stream_digital_capture = &alc269_pcm_digital_capture; if (!spec->adc_nids) { /* wasn't filled automatically? use default */ - if (spec->codec_variant != ALC269_TYPE_NORMAL) { + if (spec->codec_variant == ALC269_TYPE_NORMAL) { spec->adc_nids = alc269_adc_nids; spec->num_adc_nids = ARRAY_SIZE(alc269_adc_nids); spec->capsrc_nids = alc269_capsrc_nids; @@ -16898,7 +16964,7 @@ static struct alc_config_preset alc861vd_presets[] = { static int alc861vd_auto_create_input_ctls(struct hda_codec *codec, const struct auto_pin_cfg *cfg) { - return alc_auto_create_input_ctls(codec, cfg, 0x15, 0x09, 0); + return alc_auto_create_input_ctls(codec, cfg, 0x0b, 0x22, 0); } @@ -18952,6 +19018,8 @@ static inline hda_nid_t alc662_mix_to_dac(hda_nid_t nid) return 0x02; else if (nid >= 0x0c && nid <= 0x0e) return nid - 0x0c + 0x02; + else if (nid == 0x26) /* ALC887-VD has this DAC too */ + return 0x25; else return 0; } @@ -18960,7 +19028,7 @@ static inline hda_nid_t alc662_mix_to_dac(hda_nid_t nid) static hda_nid_t alc662_dac_to_mix(struct hda_codec *codec, hda_nid_t pin, hda_nid_t dac) { - hda_nid_t mix[4]; + hda_nid_t mix[5]; int i, num; num = snd_hda_get_connections(codec, pin, mix, ARRAY_SIZE(mix)); @@ -19298,6 +19366,7 @@ static const struct alc_fixup alc662_fixups[] = { static struct snd_pci_quirk alc662_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x038b, "Acer Aspire 8943G", ALC662_FIXUP_ASPIRE), + SND_PCI_QUIRK(0x144d, 0xc051, "Samsung R720", ALC662_FIXUP_IDEAPAD), SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo Ideapad Y550P", ALC662_FIXUP_IDEAPAD), SND_PCI_QUIRK(0x17aa, 0x3a0d, "Lenovo Ideapad Y550", ALC662_FIXUP_IDEAPAD), {} @@ -19419,7 +19488,10 @@ static int patch_alc888(struct hda_codec *codec) { if ((alc_read_coef_idx(codec, 0) & 0x00f0)==0x0030){ kfree(codec->chip_name); - codec->chip_name = kstrdup("ALC888-VD", GFP_KERNEL); + if (codec->vendor_id == 0x10ec0887) + codec->chip_name = kstrdup("ALC887-VD", GFP_KERNEL); + else + codec->chip_name = kstrdup("ALC888-VD", GFP_KERNEL); if (!codec->chip_name) { alc_free(codec); return -ENOMEM; @@ -19909,7 +19981,7 @@ static struct hda_codec_preset snd_hda_preset_realtek[] = { { .id = 0x10ec0885, .rev = 0x100103, .name = "ALC889A", .patch = patch_alc882 }, { .id = 0x10ec0885, .name = "ALC885", .patch = patch_alc882 }, - { .id = 0x10ec0887, .name = "ALC887", .patch = patch_alc882 }, + { .id = 0x10ec0887, .name = "ALC887", .patch = patch_alc888 }, { .id = 0x10ec0888, .rev = 0x100101, .name = "ALC1200", .patch = patch_alc882 }, { .id = 0x10ec0888, .name = "ALC888", .patch = patch_alc888 }, diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 93fa59cc60e..efa4225f5fd 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -389,6 +389,11 @@ static hda_nid_t stac92hd83xxx_dmic_nids[STAC92HD83XXX_NUM_DMICS + 1] = { 0x11, 0x20, 0 }; +#define STAC92HD87B_NUM_DMICS 1 +static hda_nid_t stac92hd87b_dmic_nids[STAC92HD87B_NUM_DMICS + 1] = { + 0x11, 0 +}; + #define STAC92HD83XXX_NUM_CAPS 2 static unsigned long stac92hd83xxx_capvols[] = { HDA_COMPOSE_AMP_VAL(0x17, 3, 0, HDA_OUTPUT), @@ -1622,6 +1627,8 @@ static struct snd_pci_quirk stac92hd73xx_cfg_tbl[] = { static struct snd_pci_quirk stac92hd73xx_codec_id_cfg_tbl[] = { SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x02a1, "Alienware M17x", STAC_ALIENWARE_M17X), + SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x043a, + "Alienware M17x", STAC_ALIENWARE_M17X), {} /* terminator */ }; @@ -3486,10 +3493,8 @@ static int stac92xx_auto_create_dmic_input_ctls(struct hda_codec *codec, return err; } - if (snd_hda_get_bool_hint(codec, "separate_dmux") != 1) { + if (snd_hda_get_bool_hint(codec, "separate_dmux") != 1) snd_hda_add_imux_item(imux, label, index, NULL); - spec->num_analog_muxes++; - } } return 0; @@ -5452,12 +5457,17 @@ again: stac92hd83xxx_brd_tbl[spec->board_config]); switch (codec->vendor_id) { + case 0x111d76d1: + case 0x111d76d9: + spec->dmic_nids = stac92hd87b_dmic_nids; + spec->num_dmics = stac92xx_connected_ports(codec, + stac92hd87b_dmic_nids, + STAC92HD87B_NUM_DMICS); + /* Fall through */ case 0x111d7666: case 0x111d7667: case 0x111d7668: case 0x111d7669: - case 0x111d76d1: - case 0x111d76d9: spec->num_pins = ARRAY_SIZE(stac92hd88xxx_pin_nids); spec->pin_nids = stac92hd88xxx_pin_nids; spec->mono_nid = 0; diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index 400f9ebd243..629a5494347 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -1866,6 +1866,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = { }, { .subvendor = 0x1028, + .subdevice = 0x0182, + .name = "Dell Latitude D610", /* STAC9750/51 */ + .type = AC97_TUNE_HP_ONLY + }, + { + .subvendor = 0x1028, .subdevice = 0x0186, .name = "Dell Latitude D810", /* cf. Malone #41015 */ .type = AC97_TUNE_HP_MUTE_LED diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c index ef9af3f4ace..1bd7a540fd4 100644 --- a/sound/pci/lx6464es/lx6464es.c +++ b/sound/pci/lx6464es/lx6464es.c @@ -425,7 +425,7 @@ exit: static void lx_trigger_start(struct lx6464es *chip, struct lx_stream *lx_stream) { struct snd_pcm_substream *substream = lx_stream->stream; - const int is_capture = lx_stream->is_capture; + const unsigned int is_capture = lx_stream->is_capture; int err; @@ -473,7 +473,7 @@ static void lx_trigger_start(struct lx6464es *chip, struct lx_stream *lx_stream) static void lx_trigger_stop(struct lx6464es *chip, struct lx_stream *lx_stream) { - const int is_capture = lx_stream->is_capture; + const unsigned int is_capture = lx_stream->is_capture; int err; snd_printd(LXP "stopping: stopping stream\n"); diff --git a/sound/pci/lx6464es/lx6464es.h b/sound/pci/lx6464es/lx6464es.h index 51afc048961..aea621eafbb 100644 --- a/sound/pci/lx6464es/lx6464es.h +++ b/sound/pci/lx6464es/lx6464es.h @@ -60,7 +60,7 @@ struct lx_stream { snd_pcm_uframes_t frame_pos; enum lx_stream_status status; /* free, open, running, draining * pause */ - int is_capture:1; + unsigned int is_capture:1; }; diff --git a/sound/pci/lx6464es/lx_core.c b/sound/pci/lx6464es/lx_core.c index 3086b751da4..617f98b0cba 100644 --- a/sound/pci/lx6464es/lx_core.c +++ b/sound/pci/lx6464es/lx_core.c @@ -1152,7 +1152,7 @@ static int lx_interrupt_request_new_buffer(struct lx6464es *chip, struct lx_stream *lx_stream) { struct snd_pcm_substream *substream = lx_stream->stream; - int is_capture = lx_stream->is_capture; + const unsigned int is_capture = lx_stream->is_capture; int err; unsigned long flags; diff --git a/sound/pci/mixart/mixart_hwdep.h b/sound/pci/mixart/mixart_hwdep.h index a46f5083db9..812e288ef2e 100644 --- a/sound/pci/mixart/mixart_hwdep.h +++ b/sound/pci/mixart/mixart_hwdep.h @@ -25,11 +25,21 @@ #include <sound/hwdep.h> +#ifndef readl_be #define readl_be(x) be32_to_cpu(__raw_readl(x)) +#endif + +#ifndef writel_be #define writel_be(data,addr) __raw_writel(cpu_to_be32(data),addr) +#endif +#ifndef readl_le #define readl_le(x) le32_to_cpu(__raw_readl(x)) +#endif + +#ifndef writel_le #define writel_le(data,addr) __raw_writel(cpu_to_le32(data),addr) +#endif #define MIXART_MEM(mgr,x) ((mgr)->mem[0].virt + (x)) #define MIXART_REG(mgr,x) ((mgr)->mem[1].virt + (x)) diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c index 85081172403..b47cfd45b3b 100644 --- a/sound/ppc/pmac.c +++ b/sound/ppc/pmac.c @@ -1228,10 +1228,8 @@ int __devinit snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return) chip->rsrc[i].start + 1, rnames[i]) == NULL) { printk(KERN_ERR "snd: can't request rsrc " - " %d (%s: 0x%016llx:%016llx)\n", - i, rnames[i], - (unsigned long long)chip->rsrc[i].start, - (unsigned long long)chip->rsrc[i].end); + " %d (%s: %pR)\n", + i, rnames[i], &chip->rsrc[i]); err = -ENODEV; goto __error; } @@ -1256,10 +1254,8 @@ int __devinit snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return) chip->rsrc[i].start + 1, rnames[i]) == NULL) { printk(KERN_ERR "snd: can't request rsrc " - " %d (%s: 0x%016llx:%016llx)\n", - i, rnames[i], - (unsigned long long)chip->rsrc[i].start, - (unsigned long long)chip->rsrc[i].end); + " %d (%s: %pR)\n", + i, rnames[i], &chip->rsrc[i]); err = -ENODEV; goto __error; } diff --git a/sound/sound_core.c b/sound/sound_core.c index c03bbaefdbc..5580aced873 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -104,7 +104,6 @@ module_exit(cleanup_soundcore); #include <linux/init.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/sound.h> diff --git a/sound/spi/at73c213.c b/sound/spi/at73c213.c index 1bc56b2b94e..337a00241a1 100644 --- a/sound/spi/at73c213.c +++ b/sound/spi/at73c213.c @@ -155,7 +155,7 @@ static int snd_at73c213_set_bitrate(struct snd_at73c213 *chip) if (max_tries < 1) max_tries = 1; - /* ssc_div must be a power of 2. */ + /* ssc_div must be even. */ ssc_div = (ssc_div + 1) & ~1UL; if ((ssc_rate / (ssc_div * 2 * 16)) < BITRATE_MIN) { diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 7dae05d8783..782f741cd00 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -60,7 +60,7 @@ static const struct rc_config { { USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */ { USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */ { USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */ - { USB_ID(0x041e, 0x3042), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi */ + { USB_ID(0x041e, 0x3042), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 */ { USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */ }; @@ -183,7 +183,13 @@ static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e if (value > 1) return -EINVAL; changed = value != mixer->audigy2nx_leds[index]; - err = snd_usb_ctl_msg(mixer->chip->dev, + if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) + err = snd_usb_ctl_msg(mixer->chip->dev, + usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, + !value, 0, NULL, 0, 100); + else + err = snd_usb_ctl_msg(mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, value, index + 2, NULL, 0, 100); @@ -225,8 +231,12 @@ static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer) int i, err; for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) { + /* USB X-Fi S51 doesn't have a CMSS LED */ + if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0) + continue; if (i > 1 && /* Live24ext has 2 LEDs only */ (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || + mixer->chip->usb_id == USB_ID(0x041e, 0x3042) || mixer->chip->usb_id == USB_ID(0x041e, 0x3048))) break; err = snd_ctl_add(mixer->chip->card, @@ -365,6 +375,7 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) || mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || + mixer->chip->usb_id == USB_ID(0x041e, 0x3042) || mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) { if ((err = snd_audigy2nx_controls_create(mixer)) < 0) return err; diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index cff3a3c465d..4132522ac90 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -676,8 +676,10 @@ static int snd_usb_pcm_check_knot(struct snd_pcm_runtime *runtime, if (!needs_knot) return 0; - subs->rate_list.count = count; subs->rate_list.list = kmalloc(sizeof(int) * count, GFP_KERNEL); + if (!subs->rate_list.list) + return -ENOMEM; + subs->rate_list.count = count; subs->rate_list.mask = 0; count = 0; list_for_each_entry(fp, &subs->fmt_list, list) { diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index 122ec9dc485..26aff6bf9e5 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -8,7 +8,11 @@ perf-trace - Read perf.data (created by perf record) and display trace output SYNOPSIS -------- [verse] -'perf trace' {record <script> | report <script> [args] } +'perf trace' [<options>] +'perf trace' [<options>] record <script> [<record-options>] <command> +'perf trace' [<options>] report <script> [script-args] +'perf trace' [<options>] <script> <required-script-args> [<record-options>] <command> +'perf trace' [<options>] <top-script> [script-args] DESCRIPTION ----------- @@ -24,23 +28,53 @@ There are several variants of perf trace: available via 'perf trace -l'). The following variants allow you to record and run those scripts: - 'perf trace record <script>' to record the events required for 'perf - trace report'. <script> is the name displayed in the output of - 'perf trace --list' i.e. the actual script name minus any language - extension. + 'perf trace record <script> <command>' to record the events required + for 'perf trace report'. <script> is the name displayed in the + output of 'perf trace --list' i.e. the actual script name minus any + language extension. If <command> is not specified, the events are + recorded using the -a (system-wide) 'perf record' option. - 'perf trace report <script>' to run and display the results of - <script>. <script> is the name displayed in the output of 'perf + 'perf trace report <script> [args]' to run and display the results + of <script>. <script> is the name displayed in the output of 'perf trace --list' i.e. the actual script name minus any language extension. The perf.data output from a previous run of 'perf trace record <script>' is used and should be present for this command to - succeed. + succeed. [args] refers to the (mainly optional) args expected by + the script. + + 'perf trace <script> <required-script-args> <command>' to both + record the events required for <script> and to run the <script> + using 'live-mode' i.e. without writing anything to disk. <script> + is the name displayed in the output of 'perf trace --list' i.e. the + actual script name minus any language extension. If <command> is + not specified, the events are recorded using the -a (system-wide) + 'perf record' option. If <script> has any required args, they + should be specified before <command>. This mode doesn't allow for + optional script args to be specified; if optional script args are + desired, they can be specified using separate 'perf trace record' + and 'perf trace report' commands, with the stdout of the record step + piped to the stdin of the report script, using the '-o -' and '-i -' + options of the corresponding commands. + + 'perf trace <top-script>' to both record the events required for + <top-script> and to run the <top-script> using 'live-mode' + i.e. without writing anything to disk. <top-script> is the name + displayed in the output of 'perf trace --list' i.e. the actual + script name minus any language extension; a <top-script> is defined + as any script name ending with the string 'top'. + + [<record-options>] can be passed to the record steps of 'perf trace + record' and 'live-mode' variants; this isn't possible however for + <top-script> 'live-mode' or 'perf trace report' variants. See the 'SEE ALSO' section for links to language-specific information on how to write and run your own trace scripts. OPTIONS ------- +<command>...:: + Any command you can specify in a shell. + -D:: --dump-raw-trace=:: Display verbose dump of the trace data. @@ -64,6 +98,13 @@ OPTIONS Generate perf-trace.[ext] starter script for given language, using current perf.data. +-a:: + Force system-wide collection. Scripts run without a <command> + normally use -a by default, while scripts run with a <command> + normally don't - this option allows the latter to be run in + system-wide mode. + + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-trace-perl[1], diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 4e75583ddd6..93bd2ff001f 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -790,7 +790,7 @@ static const char * const record_usage[] = { static bool force, append_file; -static const struct option options[] = { +const struct option record_options[] = { OPT_CALLBACK('e', "event", NULL, "event", "event selector. use 'perf list' to list available events", parse_events), @@ -839,16 +839,16 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) { int i, j, err = -ENOMEM; - argc = parse_options(argc, argv, options, record_usage, + argc = parse_options(argc, argv, record_options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); if (!argc && target_pid == -1 && target_tid == -1 && !system_wide && !cpu_list) - usage_with_options(record_usage, options); + usage_with_options(record_usage, record_options); if (force && append_file) { fprintf(stderr, "Can't overwrite and append at the same time." " You need to choose between -f and -A"); - usage_with_options(record_usage, options); + usage_with_options(record_usage, record_options); } else if (append_file) { write_mode = WRITE_APPEND; } else { @@ -871,7 +871,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) if (thread_num <= 0) { fprintf(stderr, "Can't find all threads of pid %d\n", target_pid); - usage_with_options(record_usage, options); + usage_with_options(record_usage, record_options); } } else { all_tids=malloc(sizeof(pid_t)); diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index b513e40974f..dd625808c2a 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -69,7 +69,6 @@ static int target_tid = -1; static pid_t *all_tids = NULL; static int thread_num = 0; static bool inherit = false; -static int profile_cpu = -1; static int nr_cpus = 0; static int realtime_prio = 0; static bool group = false; @@ -558,13 +557,13 @@ static void print_sym_table(void) else printf(" (all"); - if (profile_cpu != -1) - printf(", cpu: %d)\n", profile_cpu); + if (cpu_list) + printf(", CPU%s: %s)\n", nr_cpus > 1 ? "s" : "", cpu_list); else { if (target_tid != -1) printf(")\n"); else - printf(", %d CPUs)\n", nr_cpus); + printf(", %d CPU%s)\n", nr_cpus, nr_cpus > 1 ? "s" : ""); } printf("%-*.*s\n", win_width, win_width, graph_dotted_line); @@ -1187,11 +1186,10 @@ int group_fd; static void start_counter(int i, int counter) { struct perf_event_attr *attr; - int cpu; + int cpu = -1; int thread_index; - cpu = profile_cpu; - if (target_tid == -1 && profile_cpu == -1) + if (target_tid == -1) cpu = cpumap[i]; attr = attrs + counter; diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 2f8df45c4dc..86cfe3800e6 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -10,6 +10,7 @@ #include "util/symbol.h" #include "util/thread.h" #include "util/trace-event.h" +#include "util/parse-options.h" #include "util/util.h" static char const *script_name; @@ -17,6 +18,7 @@ static char const *generate_script_lang; static bool debug_mode; static u64 last_timestamp; static u64 nr_unordered; +extern const struct option record_options[]; static int default_start_script(const char *script __unused, int argc __unused, @@ -328,7 +330,7 @@ static struct script_desc *script_desc__new(const char *name) { struct script_desc *s = zalloc(sizeof(*s)); - if (s != NULL) + if (s != NULL && name) s->name = strdup(name); return s; @@ -337,6 +339,8 @@ static struct script_desc *script_desc__new(const char *name) static void script_desc__delete(struct script_desc *s) { free(s->name); + free(s->half_liner); + free(s->args); free(s); } @@ -537,8 +541,40 @@ static char *get_script_path(const char *script_root, const char *suffix) return path; } +static bool is_top_script(const char *script_path) +{ + return ends_with((char *)script_path, "top") == NULL ? false : true; +} + +static int has_required_arg(char *script_path) +{ + struct script_desc *desc; + int n_args = 0; + char *p; + + desc = script_desc__new(NULL); + + if (read_script_info(desc, script_path)) + goto out; + + if (!desc->args) + goto out; + + for (p = desc->args; *p; p++) + if (*p == '<') + n_args++; +out: + script_desc__delete(desc); + + return n_args; +} + static const char * const trace_usage[] = { - "perf trace [<options>] <command>", + "perf trace [<options>]", + "perf trace [<options>] record <script> [<record-options>] <command>", + "perf trace [<options>] report <script> [script-args]", + "perf trace [<options>] <script> [<record-options>] <command>", + "perf trace [<options>] <top-script> [script-args]", NULL }; @@ -564,50 +600,81 @@ static const struct option options[] = { OPT_END() }; +static bool have_cmd(int argc, const char **argv) +{ + char **__argv = malloc(sizeof(const char *) * argc); + + if (!__argv) + die("malloc"); + memcpy(__argv, argv, sizeof(const char *) * argc); + argc = parse_options(argc, (const char **)__argv, record_options, + NULL, PARSE_OPT_STOP_AT_NON_OPTION); + free(__argv); + + return argc != 0; +} + int cmd_trace(int argc, const char **argv, const char *prefix __used) { + char *rec_script_path = NULL; + char *rep_script_path = NULL; struct perf_session *session; - const char *suffix = NULL; + char *script_path = NULL; const char **__argv; - char *script_path; - int i, err; + bool system_wide; + int i, j, err; - if (argc >= 2 && strncmp(argv[1], "rec", strlen("rec")) == 0) { - if (argc < 3) { - fprintf(stderr, - "Please specify a record script\n"); - return -1; - } - suffix = RECORD_SUFFIX; + setup_scripting(); + + argc = parse_options(argc, argv, options, trace_usage, + PARSE_OPT_STOP_AT_NON_OPTION); + + if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { + rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); + if (!rec_script_path) + return cmd_record(argc, argv, NULL); } - if (argc >= 2 && strncmp(argv[1], "rep", strlen("rep")) == 0) { - if (argc < 3) { + if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { + rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); + if (!rep_script_path) { fprintf(stderr, - "Please specify a report script\n"); + "Please specify a valid report script" + "(see 'perf trace -l' for listing)\n"); return -1; } - suffix = REPORT_SUFFIX; } /* make sure PERF_EXEC_PATH is set for scripts */ perf_set_argv_exec_path(perf_exec_path()); - if (!suffix && argc >= 2 && strncmp(argv[1], "-", strlen("-")) != 0) { - char *record_script_path, *report_script_path; + if (argc && !script_name && !rec_script_path && !rep_script_path) { int live_pipe[2]; + int rep_args; pid_t pid; - record_script_path = get_script_path(argv[1], RECORD_SUFFIX); - if (!record_script_path) { - fprintf(stderr, "record script not found\n"); - return -1; + rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); + rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); + + if (!rec_script_path && !rep_script_path) { + fprintf(stderr, " Couldn't find script %s\n\n See perf" + " trace -l for available scripts.\n", argv[0]); + usage_with_options(trace_usage, options); } - report_script_path = get_script_path(argv[1], REPORT_SUFFIX); - if (!report_script_path) { - fprintf(stderr, "report script not found\n"); - return -1; + if (is_top_script(argv[0])) { + rep_args = argc - 1; + } else { + int rec_args; + + rep_args = has_required_arg(rep_script_path); + rec_args = (argc - 1) - rep_args; + if (rec_args < 0) { + fprintf(stderr, " %s script requires options." + "\n\n See perf trace -l for available " + "scripts and options.\n", argv[0]); + usage_with_options(trace_usage, options); + } } if (pipe(live_pipe) < 0) { @@ -622,60 +689,84 @@ int cmd_trace(int argc, const char **argv, const char *prefix __used) } if (!pid) { + system_wide = true; + j = 0; + dup2(live_pipe[1], 1); close(live_pipe[0]); - __argv = malloc(6 * sizeof(const char *)); - __argv[0] = "/bin/sh"; - __argv[1] = record_script_path; - __argv[2] = "-q"; - __argv[3] = "-o"; - __argv[4] = "-"; - __argv[5] = NULL; + if (!is_top_script(argv[0])) + system_wide = !have_cmd(argc - rep_args, + &argv[rep_args]); + + __argv = malloc((argc + 6) * sizeof(const char *)); + if (!__argv) + die("malloc"); + + __argv[j++] = "/bin/sh"; + __argv[j++] = rec_script_path; + if (system_wide) + __argv[j++] = "-a"; + __argv[j++] = "-q"; + __argv[j++] = "-o"; + __argv[j++] = "-"; + for (i = rep_args + 1; i < argc; i++) + __argv[j++] = argv[i]; + __argv[j++] = NULL; execvp("/bin/sh", (char **)__argv); + free(__argv); exit(-1); } dup2(live_pipe[0], 0); close(live_pipe[1]); - __argv = malloc((argc + 3) * sizeof(const char *)); - __argv[0] = "/bin/sh"; - __argv[1] = report_script_path; - for (i = 2; i < argc; i++) - __argv[i] = argv[i]; - __argv[i++] = "-i"; - __argv[i++] = "-"; - __argv[i++] = NULL; + __argv = malloc((argc + 4) * sizeof(const char *)); + if (!__argv) + die("malloc"); + j = 0; + __argv[j++] = "/bin/sh"; + __argv[j++] = rep_script_path; + for (i = 1; i < rep_args + 1; i++) + __argv[j++] = argv[i]; + __argv[j++] = "-i"; + __argv[j++] = "-"; + __argv[j++] = NULL; execvp("/bin/sh", (char **)__argv); + free(__argv); exit(-1); } - if (suffix) { - script_path = get_script_path(argv[2], suffix); - if (!script_path) { - fprintf(stderr, "script not found\n"); - return -1; - } - - __argv = malloc((argc + 1) * sizeof(const char *)); - __argv[0] = "/bin/sh"; - __argv[1] = script_path; - for (i = 3; i < argc; i++) - __argv[i - 1] = argv[i]; - __argv[argc - 1] = NULL; + if (rec_script_path) + script_path = rec_script_path; + if (rep_script_path) + script_path = rep_script_path; + + if (script_path) { + system_wide = false; + j = 0; + + if (rec_script_path) + system_wide = !have_cmd(argc - 1, &argv[1]); + + __argv = malloc((argc + 2) * sizeof(const char *)); + if (!__argv) + die("malloc"); + __argv[j++] = "/bin/sh"; + __argv[j++] = script_path; + if (system_wide) + __argv[j++] = "-a"; + for (i = 2; i < argc; i++) + __argv[j++] = argv[i]; + __argv[j++] = NULL; execvp("/bin/sh", (char **)__argv); + free(__argv); exit(-1); } - setup_scripting(); - - argc = parse_options(argc, argv, options, trace_usage, - PARSE_OPT_STOP_AT_NON_OPTION); - if (symbol__init() < 0) return -1; if (!script_name) diff --git a/tools/perf/scripts/perl/bin/failed-syscalls-record b/tools/perf/scripts/perl/bin/failed-syscalls-record index eb5846bcb56..8104895a7b6 100644 --- a/tools/perf/scripts/perl/bin/failed-syscalls-record +++ b/tools/perf/scripts/perl/bin/failed-syscalls-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e raw_syscalls:sys_exit $@ +perf record -e raw_syscalls:sys_exit $@ diff --git a/tools/perf/scripts/perl/bin/rw-by-file-record b/tools/perf/scripts/perl/bin/rw-by-file-record index 5bfaae5a6cb..33efc8673aa 100644 --- a/tools/perf/scripts/perl/bin/rw-by-file-record +++ b/tools/perf/scripts/perl/bin/rw-by-file-record @@ -1,3 +1,3 @@ #!/bin/bash -perf record -a -e syscalls:sys_enter_read -e syscalls:sys_enter_write $@ +perf record -e syscalls:sys_enter_read -e syscalls:sys_enter_write $@ diff --git a/tools/perf/scripts/perl/bin/rw-by-pid-record b/tools/perf/scripts/perl/bin/rw-by-pid-record index 6e0b2f7755a..7cb9db23044 100644 --- a/tools/perf/scripts/perl/bin/rw-by-pid-record +++ b/tools/perf/scripts/perl/bin/rw-by-pid-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ +perf record -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ diff --git a/tools/perf/scripts/perl/bin/rwtop-record b/tools/perf/scripts/perl/bin/rwtop-record index 6e0b2f7755a..7cb9db23044 100644 --- a/tools/perf/scripts/perl/bin/rwtop-record +++ b/tools/perf/scripts/perl/bin/rwtop-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ +perf record -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ diff --git a/tools/perf/scripts/perl/bin/wakeup-latency-record b/tools/perf/scripts/perl/bin/wakeup-latency-record index 9f2acaaae9f..464251a1bd7 100644 --- a/tools/perf/scripts/perl/bin/wakeup-latency-record +++ b/tools/perf/scripts/perl/bin/wakeup-latency-record @@ -1,5 +1,5 @@ #!/bin/bash -perf record -a -e sched:sched_switch -e sched:sched_wakeup $@ +perf record -e sched:sched_switch -e sched:sched_wakeup $@ diff --git a/tools/perf/scripts/perl/bin/workqueue-stats-record b/tools/perf/scripts/perl/bin/workqueue-stats-record index 85301f2471f..8edda9078d5 100644 --- a/tools/perf/scripts/perl/bin/workqueue-stats-record +++ b/tools/perf/scripts/perl/bin/workqueue-stats-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion $@ +perf record -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion $@ diff --git a/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record index eb5846bcb56..8104895a7b6 100644 --- a/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record +++ b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e raw_syscalls:sys_exit $@ +perf record -e raw_syscalls:sys_exit $@ diff --git a/tools/perf/scripts/python/bin/futex-contention-record b/tools/perf/scripts/python/bin/futex-contention-record index 5ecbb433caf..b1495c9a9b2 100644 --- a/tools/perf/scripts/python/bin/futex-contention-record +++ b/tools/perf/scripts/python/bin/futex-contention-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e syscalls:sys_enter_futex -e syscalls:sys_exit_futex $@ +perf record -e syscalls:sys_enter_futex -e syscalls:sys_exit_futex $@ diff --git a/tools/perf/scripts/python/bin/netdev-times-record b/tools/perf/scripts/python/bin/netdev-times-record index d931a828126..558754b840a 100644 --- a/tools/perf/scripts/python/bin/netdev-times-record +++ b/tools/perf/scripts/python/bin/netdev-times-record @@ -1,5 +1,5 @@ #!/bin/bash -perf record -a -e net:net_dev_xmit -e net:net_dev_queue \ +perf record -e net:net_dev_xmit -e net:net_dev_queue \ -e net:netif_receive_skb -e net:netif_rx \ -e skb:consume_skb -e skb:kfree_skb \ -e skb:skb_copy_datagram_iovec -e napi:napi_poll \ diff --git a/tools/perf/scripts/python/bin/sched-migration-record b/tools/perf/scripts/python/bin/sched-migration-record index 17a3e9bd9e8..7493fddbe99 100644 --- a/tools/perf/scripts/python/bin/sched-migration-record +++ b/tools/perf/scripts/python/bin/sched-migration-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -m 16384 -a -e sched:sched_wakeup -e sched:sched_wakeup_new -e sched:sched_switch -e sched:sched_migrate_task $@ +perf record -m 16384 -e sched:sched_wakeup -e sched:sched_wakeup_new -e sched:sched_switch -e sched:sched_migrate_task $@ diff --git a/tools/perf/scripts/python/bin/sctop-record b/tools/perf/scripts/python/bin/sctop-record index 1fc5998b721..4efbfaa7f6a 100644 --- a/tools/perf/scripts/python/bin/sctop-record +++ b/tools/perf/scripts/python/bin/sctop-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e raw_syscalls:sys_enter $@ +perf record -e raw_syscalls:sys_enter $@ diff --git a/tools/perf/scripts/python/bin/syscall-counts-by-pid-record b/tools/perf/scripts/python/bin/syscall-counts-by-pid-record index 1fc5998b721..4efbfaa7f6a 100644 --- a/tools/perf/scripts/python/bin/syscall-counts-by-pid-record +++ b/tools/perf/scripts/python/bin/syscall-counts-by-pid-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e raw_syscalls:sys_enter $@ +perf record -e raw_syscalls:sys_enter $@ diff --git a/tools/perf/scripts/python/bin/syscall-counts-record b/tools/perf/scripts/python/bin/syscall-counts-record index 1fc5998b721..4efbfaa7f6a 100644 --- a/tools/perf/scripts/python/bin/syscall-counts-record +++ b/tools/perf/scripts/python/bin/syscall-counts-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e raw_syscalls:sys_enter $@ +perf record -e raw_syscalls:sys_enter $@ diff --git a/tools/perf/util/ui/util.c b/tools/perf/util/ui/util.c index 9706d9d4027..056c69521a3 100644 --- a/tools/perf/util/ui/util.c +++ b/tools/perf/util/ui/util.c @@ -104,9 +104,10 @@ out_destroy_form: return rc; } +static const char yes[] = "Yes", no[] = "No"; + bool ui__dialog_yesno(const char *msg) { /* newtWinChoice should really be accepting const char pointers... */ - char yes[] = "Yes", no[] = "No"; - return newtWinChoice(NULL, yes, no, (char *)msg) == 1; + return newtWinChoice(NULL, (char *)yes, (char *)no, (char *)msg) == 1; } |