diff options
Diffstat (limited to 'include/linux')
71 files changed, 925 insertions, 240 deletions
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index 6816be6c3f7..8b103860783 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -14,6 +14,9 @@ #ifndef ASMARM_AMBA_H #define ASMARM_AMBA_H +#include <linux/device.h> +#include <linux/resource.h> + #define AMBA_NR_IRQS 2 struct amba_device { diff --git a/include/linux/amba/pl061.h b/include/linux/amba/pl061.h index b4fbd986260..5ddd9ad4b19 100644 --- a/include/linux/amba/pl061.h +++ b/include/linux/amba/pl061.h @@ -1,3 +1,5 @@ +#include <linux/types.h> + /* platform data for the PL061 GPIO driver */ struct pl061_platform_data { diff --git a/include/linux/ata.h b/include/linux/ata.h index b4c85e2adef..700c5b9b358 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -1025,8 +1025,8 @@ static inline int ata_ok(u8 status) static inline int lba_28_ok(u64 block, u32 n_block) { - /* check the ending block number */ - return ((block + n_block) < ((u64)1 << 28)) && (n_block <= 256); + /* check the ending block number: must be LESS THAN 0x0fffffff */ + return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= 256); } static inline int lba_48_ok(u64 block, u32 n_block) diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index fcbc26af00e..bd0e3c6f323 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -101,6 +101,7 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent, const char *fmt, ...); int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev); void bdi_unregister(struct backing_dev_info *bdi); +int bdi_setup_and_register(struct backing_dev_info *, char *, unsigned int); void bdi_start_writeback(struct backing_dev_info *bdi, struct super_block *sb, long nr_pages); int bdi_writeback_task(struct bdi_writeback *wb); @@ -246,6 +247,7 @@ int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio); #endif extern struct backing_dev_info default_backing_dev_info; +extern struct backing_dev_info noop_backing_dev_info; void default_unplug_io_fn(struct backing_dev_info *bdi, struct page *page); int writeback_in_progress(struct backing_dev_info *bdi); diff --git a/include/linux/bitops.h b/include/linux/bitops.h index b7938987923..b796eab5ca7 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -21,9 +21,6 @@ (bit) < (size); \ (bit) = find_next_bit((addr), (size), (bit) + 1)) -/* Temporary */ -#define for_each_bit(bit, addr, size) for_each_set_bit(bit, addr, size) - static __inline__ int get_bitmask_order(unsigned int count) { int order; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ebd22dbed86..6690e8bae7b 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -158,7 +158,6 @@ enum rq_flag_bits { struct request { struct list_head queuelist; struct call_single_data csd; - int cpu; struct request_queue *q; @@ -166,9 +165,11 @@ struct request { enum rq_cmd_type_bits cmd_type; unsigned long atomic_flags; + int cpu; + /* the following two fields are internal, NEVER access directly */ - sector_t __sector; /* sector cursor */ unsigned int __data_len; /* total data len */ + sector_t __sector; /* sector cursor */ struct bio *bio; struct bio *biotail; @@ -201,20 +202,20 @@ struct request { unsigned short ioprio; + int ref_count; + void *special; /* opaque pointer available for LLD use */ char *buffer; /* kaddr of the current segment if available */ int tag; int errors; - int ref_count; - /* * when request is used as a packet command carrier */ - unsigned short cmd_len; unsigned char __cmd[BLK_MAX_CDB]; unsigned char *cmd; + unsigned short cmd_len; unsigned int extra_len; /* length of alignment and padding */ unsigned int sense_len; @@ -921,26 +922,7 @@ extern void blk_cleanup_queue(struct request_queue *); extern void blk_queue_make_request(struct request_queue *, make_request_fn *); extern void blk_queue_bounce_limit(struct request_queue *, u64); extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int); - -/* Temporary compatibility wrapper */ -static inline void blk_queue_max_sectors(struct request_queue *q, unsigned int max) -{ - blk_queue_max_hw_sectors(q, max); -} - extern void blk_queue_max_segments(struct request_queue *, unsigned short); - -static inline void blk_queue_max_phys_segments(struct request_queue *q, unsigned short max) -{ - blk_queue_max_segments(q, max); -} - -static inline void blk_queue_max_hw_segments(struct request_queue *q, unsigned short max) -{ - blk_queue_max_segments(q, max); -} - - extern void blk_queue_max_segment_size(struct request_queue *, unsigned int); extern void blk_queue_max_discard_sectors(struct request_queue *q, unsigned int max_discard_sectors); @@ -1030,11 +1012,6 @@ static inline int sb_issue_discard(struct super_block *sb, extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm); -#define MAX_PHYS_SEGMENTS 128 -#define MAX_HW_SEGMENTS 128 -#define SAFE_MAX_SECTORS 255 -#define MAX_SEGMENT_SIZE 65536 - enum blk_default_limits { BLK_MAX_SEGMENTS = 128, BLK_SAFE_MAX_SECTORS = 255, diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index b8ad1ea9958..8f78073d7ca 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -530,6 +530,7 @@ static inline struct cgroup_subsys_state *task_subsys_state( { return rcu_dereference_check(task->cgroups->subsys[subsys_id], rcu_read_lock_held() || + lockdep_is_held(&task->alloc_lock) || cgroup_lock_is_held()); } diff --git a/include/linux/circ_buf.h b/include/linux/circ_buf.h index a2ed0591fb1..90f2471dc6f 100644 --- a/include/linux/circ_buf.h +++ b/include/linux/circ_buf.h @@ -1,3 +1,7 @@ +/* + * See Documentation/circular-buffers.txt for more information. + */ + #ifndef _LINUX_CIRC_BUF_H #define _LINUX_CIRC_BUF_H 1 diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h index 0cf725bdd2a..fc53492b6ad 100644 --- a/include/linux/clockchips.h +++ b/include/linux/clockchips.h @@ -73,6 +73,7 @@ enum clock_event_nofitiers { * @list: list head for the management code * @mode: operating mode assigned by the management code * @next_event: local storage for the next event in oneshot mode + * @retries: number of forced programming retries */ struct clock_event_device { const char *name; @@ -93,6 +94,7 @@ struct clock_event_device { struct list_head list; enum clock_event_mode mode; ktime_t next_event; + unsigned long retries; }; /* diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h index 5b5d4731f95..8859e2ede9f 100644 --- a/include/linux/coda_psdev.h +++ b/include/linux/coda_psdev.h @@ -7,6 +7,8 @@ #define MAX_CODADEVS 5 /* how many do we allow */ #ifdef __KERNEL__ +#include <linux/backing-dev.h> + struct kstatfs; /* communication pending/processing queues */ @@ -17,6 +19,7 @@ struct venus_comm { struct list_head vc_processing; int vc_inuse; struct super_block *vc_sb; + struct backing_dev_info bdi; }; diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 30b93b2a01a..eebb617c17d 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -186,6 +186,8 @@ d_iput: no no no yes #define DCACHE_FSNOTIFY_PARENT_WATCHED 0x0080 /* Parent inode is watched by some fsnotify listener */ +#define DCACHE_CANT_MOUNT 0x0100 + extern spinlock_t dcache_lock; extern seqlock_t rename_lock; @@ -358,6 +360,18 @@ static inline int d_unlinked(struct dentry *dentry) return d_unhashed(dentry) && !IS_ROOT(dentry); } +static inline int cant_mount(struct dentry *dentry) +{ + return (dentry->d_flags & DCACHE_CANT_MOUNT); +} + +static inline void dont_mount(struct dentry *dentry) +{ + spin_lock(&dentry->d_lock); + dentry->d_flags |= DCACHE_CANT_MOUNT; + spin_unlock(&dentry->d_lock); +} + static inline struct dentry *dget_parent(struct dentry *dentry) { struct dentry *ret; diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h index 5076fe0c8a9..6cee17c2231 100644 --- a/include/linux/delayacct.h +++ b/include/linux/delayacct.h @@ -18,6 +18,7 @@ #define _LINUX_DELAYACCT_H #include <linux/sched.h> +#include <linux/slab.h> /* * Per-task flags relevant to delay accounting diff --git a/include/linux/drbd.h b/include/linux/drbd.h index 78962272338..4341b1a97a3 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -56,7 +56,7 @@ extern const char *drbd_buildtag(void); #define REL_VERSION "8.3.7" #define API_VERSION 88 #define PRO_VERSION_MIN 86 -#define PRO_VERSION_MAX 91 +#define PRO_VERSION_MAX 92 enum drbd_io_error_p { diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h index a4d82f89599..f7431a4ca60 100644 --- a/include/linux/drbd_nl.h +++ b/include/linux/drbd_nl.h @@ -12,7 +12,7 @@ #endif NL_PACKET(primary, 1, - NL_BIT( 1, T_MAY_IGNORE, overwrite_peer) + NL_BIT( 1, T_MAY_IGNORE, primary_force) ) NL_PACKET(secondary, 2, ) @@ -63,6 +63,7 @@ NL_PACKET(net_conf, 5, NL_BIT( 41, T_MAY_IGNORE, always_asbp) NL_BIT( 61, T_MAY_IGNORE, no_cork) NL_BIT( 62, T_MANDATORY, auto_sndbuf_size) + NL_BIT( 70, T_MANDATORY, dry_run) ) NL_PACKET(disconnect, 6, ) diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index cac84b00666..5f494b46509 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -565,17 +565,17 @@ enum { static inline int ext3_test_inode_state(struct inode *inode, int bit) { - return test_bit(bit, &EXT3_I(inode)->i_state); + return test_bit(bit, &EXT3_I(inode)->i_state_flags); } static inline void ext3_set_inode_state(struct inode *inode, int bit) { - set_bit(bit, &EXT3_I(inode)->i_state); + set_bit(bit, &EXT3_I(inode)->i_state_flags); } static inline void ext3_clear_inode_state(struct inode *inode, int bit) { - clear_bit(bit, &EXT3_I(inode)->i_state); + clear_bit(bit, &EXT3_I(inode)->i_state_flags); } #else /* Assume that user mode programs are passing in an ext3fs superblock, not diff --git a/include/linux/ext3_fs_i.h b/include/linux/ext3_fs_i.h index 7679acdb519..f42c098aed8 100644 --- a/include/linux/ext3_fs_i.h +++ b/include/linux/ext3_fs_i.h @@ -87,7 +87,7 @@ struct ext3_inode_info { * near to their parent directory's inode. */ __u32 i_block_group; - unsigned long i_state; /* Dynamic state flags for ext3 */ + unsigned long i_state_flags; /* Dynamic state flags for ext3 */ /* block reservation info */ struct ext3_block_alloc_info *i_block_alloc_info; diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h index 40b11013408..68f883b30a5 100644 --- a/include/linux/firewire-cdev.h +++ b/include/linux/firewire-cdev.h @@ -1,21 +1,26 @@ /* * Char device interface. * - * Copyright (C) 2005-2006 Kristian Hoegsberg <krh@bitplanet.net> - * - * 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 - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Copyright (C) 2005-2007 Kristian Hoegsberg <krh@bitplanet.net> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. */ #ifndef _LINUX_FIREWIRE_CDEV_H @@ -438,7 +443,7 @@ struct fw_cdev_remove_descriptor { * @type: %FW_CDEV_ISO_CONTEXT_TRANSMIT or %FW_CDEV_ISO_CONTEXT_RECEIVE * @header_size: Header size to strip for receive contexts * @channel: Channel to bind to - * @speed: Speed to transmit at + * @speed: Speed for transmit contexts * @closure: To be returned in &fw_cdev_event_iso_interrupt * @handle: Handle to context, written back by kernel * @@ -451,6 +456,9 @@ struct fw_cdev_remove_descriptor { * If a context was successfully created, the kernel writes back a handle to the * context, which must be passed in for subsequent operations on that context. * + * For receive contexts, @header_size must be at least 4 and must be a multiple + * of 4. + * * Note that the effect of a @header_size > 4 depends on * &fw_cdev_get_info.version, as documented at &fw_cdev_event_iso_interrupt. */ @@ -481,10 +489,34 @@ struct fw_cdev_create_iso_context { * * &struct fw_cdev_iso_packet is used to describe isochronous packet queues. * - * Use the FW_CDEV_ISO_ macros to fill in @control. The sy and tag fields are - * specified by IEEE 1394a and IEC 61883. - * - * FIXME - finish this documentation + * Use the FW_CDEV_ISO_ macros to fill in @control. + * + * For transmit packets, the header length must be a multiple of 4 and specifies + * the numbers of bytes in @header that will be prepended to the packet's + * payload; these bytes are copied into the kernel and will not be accessed + * after the ioctl has returned. The sy and tag fields are copied to the iso + * packet header (these fields are specified by IEEE 1394a and IEC 61883-1). + * The skip flag specifies that no packet is to be sent in a frame; when using + * this, all other fields except the interrupt flag must be zero. + * + * For receive packets, the header length must be a multiple of the context's + * header size; if the header length is larger than the context's header size, + * multiple packets are queued for this entry. The sy and tag fields are + * ignored. If the sync flag is set, the context drops all packets until + * a packet with a matching sy field is received (the sync value to wait for is + * specified in the &fw_cdev_start_iso structure). The payload length defines + * how many payload bytes can be received for one packet (in addition to payload + * quadlets that have been defined as headers and are stripped and returned in + * the &fw_cdev_event_iso_interrupt structure). If more bytes are received, the + * additional bytes are dropped. If less bytes are received, the remaining + * bytes in this part of the payload buffer will not be written to, not even by + * the next packet, i.e., packets received in consecutive frames will not + * necessarily be consecutive in memory. If an entry has queued multiple + * packets, the payload length is divided equally among them. + * + * When a packet with the interrupt flag set has been completed, the + * &fw_cdev_event_iso_interrupt event will be sent. An entry that has queued + * multiple receive packets is completed when its last packet is completed. */ struct fw_cdev_iso_packet { __u32 control; @@ -501,7 +533,7 @@ struct fw_cdev_iso_packet { * Queue a number of isochronous packets for reception or transmission. * This ioctl takes a pointer to an array of &fw_cdev_iso_packet structs, * which describe how to transmit from or receive into a contiguous region - * of a mmap()'ed payload buffer. As part of the packet descriptors, + * of a mmap()'ed payload buffer. As part of transmit packet descriptors, * a series of headers can be supplied, which will be prepended to the * payload during DMA. * @@ -620,8 +652,8 @@ struct fw_cdev_get_cycle_timer2 { * instead of allocated. * An %FW_CDEV_EVENT_ISO_RESOURCE_DEALLOCATED event concludes this operation. * - * To summarize, %FW_CDEV_IOC_DEALLOCATE_ISO_RESOURCE allocates iso resources - * for the lifetime of the fd or handle. + * To summarize, %FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE allocates iso resources + * for the lifetime of the fd or @handle. * In contrast, %FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE_ONCE allocates iso resources * for the duration of a bus generation. * diff --git a/include/linux/firewire-constants.h b/include/linux/firewire-constants.h index b316770a43f..9b4bb5fbba4 100644 --- a/include/linux/firewire-constants.h +++ b/include/linux/firewire-constants.h @@ -1,3 +1,28 @@ +/* + * IEEE 1394 constants. + * + * Copyright (C) 2005-2007 Kristian Hoegsberg <krh@bitplanet.net> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + #ifndef _LINUX_FIREWIRE_CONSTANTS_H #define _LINUX_FIREWIRE_CONSTANTS_H @@ -21,7 +46,7 @@ #define EXTCODE_WRAP_ADD 0x6 #define EXTCODE_VENDOR_DEPENDENT 0x7 -/* Juju specific tcodes */ +/* Linux firewire-core (Juju) specific tcodes */ #define TCODE_LOCK_MASK_SWAP (0x10 | EXTCODE_MASK_SWAP) #define TCODE_LOCK_COMPARE_SWAP (0x10 | EXTCODE_COMPARE_SWAP) #define TCODE_LOCK_FETCH_ADD (0x10 | EXTCODE_FETCH_ADD) @@ -36,7 +61,7 @@ #define RCODE_TYPE_ERROR 0x6 #define RCODE_ADDRESS_ERROR 0x7 -/* Juju specific rcodes */ +/* Linux firewire-core (Juju) specific rcodes */ #define RCODE_SEND_ERROR 0x10 #define RCODE_CANCELLED 0x11 #define RCODE_BUSY 0x12 diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 5a361f85cfe..da7e52b099f 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -64,9 +64,12 @@ extern bool freeze_task(struct task_struct *p, bool sig_only); extern void cancel_freezing(struct task_struct *p); #ifdef CONFIG_CGROUP_FREEZER -extern int cgroup_frozen(struct task_struct *task); +extern int cgroup_freezing_or_frozen(struct task_struct *task); #else /* !CONFIG_CGROUP_FREEZER */ -static inline int cgroup_frozen(struct task_struct *task) { return 0; } +static inline int cgroup_freezing_or_frozen(struct task_struct *task) +{ + return 0; +} #endif /* !CONFIG_CGROUP_FREEZER */ /* diff --git a/include/linux/fs.h b/include/linux/fs.h index 10b8dedcd18..44f35aea2f1 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2212,6 +2212,7 @@ extern int generic_segment_checks(const struct iovec *iov, /* fs/block_dev.c */ extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos); +extern int blkdev_fsync(struct file *filp, struct dentry *dentry, int datasync); /* fs/splice.c */ extern ssize_t generic_file_splice_read(struct file *, loff_t *, @@ -2314,8 +2315,9 @@ extern int vfs_fstatat(int , char __user *, struct kstat *, int); extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd, unsigned long arg); extern int __generic_block_fiemap(struct inode *inode, - struct fiemap_extent_info *fieinfo, u64 start, - u64 len, get_block_t *get_block); + struct fiemap_extent_info *fieinfo, + loff_t start, loff_t len, + get_block_t *get_block); extern int generic_block_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len, get_block_t *get_block); diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h index 7be0c6fbe88..c57db27ac86 100644 --- a/include/linux/fscache-cache.h +++ b/include/linux/fscache-cache.h @@ -105,7 +105,7 @@ struct fscache_operation { /* operation releaser */ fscache_operation_release_t release; -#ifdef CONFIG_SLOW_WORK_PROC +#ifdef CONFIG_SLOW_WORK_DEBUG const char *name; /* operation name */ const char *state; /* operation state */ #define fscache_set_op_name(OP, N) do { (OP)->name = (N); } while(0) diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index df8fd9a3b21..01755909ce8 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -15,6 +15,7 @@ #include <linux/inotify.h> #include <linux/fsnotify_backend.h> #include <linux/audit.h> +#include <linux/slab.h> /* * fsnotify_d_instantiate - instantiate a dentry for inode diff --git a/include/linux/gameport.h b/include/linux/gameport.h index 48e68da097f..361d1cc288d 100644 --- a/include/linux/gameport.h +++ b/include/linux/gameport.h @@ -16,6 +16,7 @@ #include <linux/mutex.h> #include <linux/device.h> #include <linux/timer.h> +#include <linux/slab.h> struct gameport { diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 56b50514ab2..5f2f4c4d8fb 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -109,7 +109,7 @@ struct hd_struct { }; #define GENHD_FL_REMOVABLE 1 -#define GENHD_FL_DRIVERFS 2 +/* 2 is unused */ #define GENHD_FL_MEDIA_CHANGE_NOTIFY 4 #define GENHD_FL_CD 8 #define GENHD_FL_UP 16 diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 0a5da639b32..6ed1d59bfb1 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -355,6 +355,8 @@ struct i2c_adapter { int nr; char name[48]; struct completion dev_released; + + struct list_head userspace_clients; }; #define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) diff --git a/include/linux/i2o.h b/include/linux/i2o.h index 87018dc5527..9e7a12d6385 100644 --- a/include/linux/i2o.h +++ b/include/linux/i2o.h @@ -782,7 +782,6 @@ extern int i2o_exec_lct_get(struct i2o_controller *); #define to_i2o_driver(drv) container_of(drv,struct i2o_driver, driver) #define to_i2o_device(dev) container_of(dev, struct i2o_device, device) #define to_i2o_controller(dev) container_of(dev, struct i2o_controller, device) -#define kobj_to_i2o_device(kobj) to_i2o_device(container_of(kobj, struct device, kobj)) /** * i2o_out_to_virt - Turn an I2O message to a virtual address diff --git a/include/linux/ide.h b/include/linux/ide.h index 97e6ab43518..3239d1c10ac 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1169,6 +1169,7 @@ extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout); extern void ide_timer_expiry(unsigned long); extern irqreturn_t ide_intr(int irq, void *dev_id); extern void do_ide_request(struct request_queue *); +extern void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq); void ide_init_disk(struct gendisk *, ide_drive_t *); diff --git a/include/linux/if_link.h b/include/linux/if_link.h index c9bf92cd765..d94963b379d 100644 --- a/include/linux/if_link.h +++ b/include/linux/if_link.h @@ -79,10 +79,7 @@ enum { IFLA_NET_NS_PID, IFLA_IFALIAS, IFLA_NUM_VF, /* Number of VFs if device is SR-IOV PF */ - IFLA_VF_MAC, /* Hardware queue specific attributes */ - IFLA_VF_VLAN, - IFLA_VF_TX_RATE, /* TX Bandwidth Allocation */ - IFLA_VFINFO, + IFLA_VFINFO_LIST, __IFLA_MAX }; @@ -203,6 +200,24 @@ enum macvlan_mode { /* SR-IOV virtual function managment section */ +enum { + IFLA_VF_INFO_UNSPEC, + IFLA_VF_INFO, + __IFLA_VF_INFO_MAX, +}; + +#define IFLA_VF_INFO_MAX (__IFLA_VF_INFO_MAX - 1) + +enum { + IFLA_VF_UNSPEC, + IFLA_VF_MAC, /* Hardware queue specific attributes */ + IFLA_VF_VLAN, + IFLA_VF_TX_RATE, /* TX Bandwidth Allocation */ + __IFLA_VF_MAX, +}; + +#define IFLA_VF_MAX (__IFLA_VF_MAX - 1) + struct ifla_vf_mac { __u32 vf; __u8 mac[32]; /* MAX_ADDR_LEN */ diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h index 3bd018baae2..c964cd7f436 100644 --- a/include/linux/input/matrix_keypad.h +++ b/include/linux/input/matrix_keypad.h @@ -44,6 +44,7 @@ struct matrix_keymap_data { * @active_low: gpio polarity * @wakeup: controls whether the device should be set up as wakeup * source + * @no_autorepeat: disable key autorepeat * * This structure represents platform-specific data that use used by * matrix_keypad driver to perform proper initialization. @@ -64,6 +65,7 @@ struct matrix_keypad_platform_data { bool active_low; bool wakeup; + bool no_autorepeat; }; /** diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h index 97eb928b492..25085ddd955 100644 --- a/include/linux/io-mapping.h +++ b/include/linux/io-mapping.h @@ -19,6 +19,7 @@ #define _LINUX_IO_MAPPING_H #include <linux/types.h> +#include <linux/slab.h> #include <asm/io.h> #include <asm/page.h> #include <asm/iomap.h> diff --git a/include/linux/ioport.h b/include/linux/ioport.h index 71ab79da7e7..26fad187d66 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -112,12 +112,14 @@ struct resource_list { extern struct resource ioport_resource; extern struct resource iomem_resource; +extern struct resource *request_resource_conflict(struct resource *root, struct resource *new); extern int request_resource(struct resource *root, struct resource *new); extern int release_resource(struct resource *new); void release_child_resources(struct resource *new); extern void reserve_region_with_split(struct resource *root, resource_size_t start, resource_size_t end, const char *name); +extern struct resource *insert_resource_conflict(struct resource *parent, struct resource *new); extern int insert_resource(struct resource *parent, struct resource *new); extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new); extern int allocate_resource(struct resource *root, struct resource *new, diff --git a/include/linux/iscsi_ibft.h b/include/linux/iscsi_ibft.h index 6092487e295..d2e4042f8f5 100644 --- a/include/linux/iscsi_ibft.h +++ b/include/linux/iscsi_ibft.h @@ -42,9 +42,13 @@ extern struct ibft_table_header *ibft_addr; * mapped address is set in the ibft_addr variable. */ #ifdef CONFIG_ISCSI_IBFT_FIND -extern void __init reserve_ibft_region(void); +unsigned long find_ibft_region(unsigned long *sizep); #else -static inline void reserve_ibft_region(void) { } +static inline unsigned long find_ibft_region(unsigned long *sizep) +{ + *sizep = 0; + return 0; +} #endif #endif /* ISCSI_IBFT_H */ diff --git a/include/linux/jbd.h b/include/linux/jbd.h index f3aa59cb675..516a2a27e87 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h @@ -31,6 +31,7 @@ #include <linux/mutex.h> #include <linux/timer.h> #include <linux/lockdep.h> +#include <linux/slab.h> #define journal_oom_retry 1 diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 1ec87635818..a4d2e9f7088 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -30,6 +30,7 @@ #include <linux/bit_spinlock.h> #include <linux/mutex.h> #include <linux/timer.h> +#include <linux/slab.h> #endif #define journal_oom_retry 1 diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 7f070746336..9365227dbaf 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -426,7 +426,7 @@ static inline char *pack_hex_byte(char *buf, u8 byte) .burst = DEFAULT_RATELIMIT_BURST, \ }; \ \ - if (!__ratelimit(&_rs)) \ + if (__ratelimit(&_rs)) \ printk(fmt, ##__VA_ARGS__); \ }) #else diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h index bc0fc795bd3..e117b1aee69 100644 --- a/include/linux/kfifo.h +++ b/include/linux/kfifo.h @@ -86,7 +86,8 @@ union { \ */ #define INIT_KFIFO(name) \ name = __kfifo_initializer(sizeof(name##kfifo_buffer) - \ - sizeof(struct kfifo), name##kfifo_buffer) + sizeof(struct kfifo), \ + name##kfifo_buffer + sizeof(struct kfifo)) /** * DEFINE_KFIFO - macro to define and initialize a kfifo @@ -102,8 +103,6 @@ union { \ unsigned char name##kfifo_buffer[size]; \ struct kfifo name = __kfifo_initializer(size, name##kfifo_buffer) -#undef __kfifo_initializer - extern void kfifo_init(struct kfifo *fifo, void *buffer, unsigned int size); extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size, diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index a3fd0f91d94..169d07758ee 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -54,7 +54,7 @@ extern struct kmem_cache *kvm_vcpu_cache; */ struct kvm_io_bus { int dev_count; -#define NR_IOBUS_DEVS 6 +#define NR_IOBUS_DEVS 200 struct kvm_io_device *devs[NR_IOBUS_DEVS]; }; @@ -119,6 +119,11 @@ struct kvm_memory_slot { int user_alloc; }; +static inline unsigned long kvm_dirty_bitmap_bytes(struct kvm_memory_slot *memslot) +{ + return ALIGN(memslot->npages, BITS_PER_LONG) / 8; +} + struct kvm_kernel_irq_routing_entry { u32 gsi; u32 type; diff --git a/include/linux/lcm.h b/include/linux/lcm.h new file mode 100644 index 00000000000..7bf01d779b4 --- /dev/null +++ b/include/linux/lcm.h @@ -0,0 +1,8 @@ +#ifndef _LCM_H +#define _LCM_H + +#include <linux/compiler.h> + +unsigned long lcm(unsigned long a, unsigned long b) __attribute_const__; + +#endif /* _LCM_H */ diff --git a/include/linux/libata.h b/include/linux/libata.h index f8ea71e6d0e..b2f2003b92e 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -146,6 +146,7 @@ enum { ATA_DFLAG_SLEEPING = (1 << 15), /* device is sleeping */ ATA_DFLAG_DUBIOUS_XFER = (1 << 16), /* data transfer not verified */ ATA_DFLAG_NO_UNLOAD = (1 << 17), /* device doesn't support unload */ + ATA_DFLAG_UNLOCK_HPA = (1 << 18), /* unlock HPA */ ATA_DFLAG_INIT_MASK = (1 << 24) - 1, ATA_DFLAG_DETACH = (1 << 24), diff --git a/include/linux/mm.h b/include/linux/mm.h index e70f21beb4b..462acaf36f3 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -783,8 +783,8 @@ struct mm_walk { int (*pmd_entry)(pmd_t *, unsigned long, unsigned long, struct mm_walk *); int (*pte_entry)(pte_t *, unsigned long, unsigned long, struct mm_walk *); int (*pte_hole)(unsigned long, unsigned long, struct mm_walk *); - int (*hugetlb_entry)(pte_t *, unsigned long, unsigned long, - struct mm_walk *); + int (*hugetlb_entry)(pte_t *, unsigned long, + unsigned long, unsigned long, struct mm_walk *); struct mm_struct *mm; void *private; }; diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index c02c8db7370..8a49cbf0376 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -268,6 +268,7 @@ struct _mmc_csd { #define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */ #define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */ +#define EXT_CSD_CARD_TYPE_MASK 0x3 /* Mask out reserved and DDR bits */ #define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */ #define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */ diff --git a/include/linux/module.h b/include/linux/module.h index 5e869ffd34a..515d53ae6a7 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -330,8 +330,11 @@ struct module struct module_notes_attrs *notes_attrs; #endif +#ifdef CONFIG_SMP /* Per-cpu data. */ - void *percpu; + void __percpu *percpu; + unsigned int percpu_size; +#endif /* The command line arguments (may be mangled). People like keeping pointers to this stuff */ @@ -365,7 +368,8 @@ struct module void (*exit)(void); struct module_ref { - int count; + unsigned int incs; + unsigned int decs; } __percpu *refptr; #endif @@ -392,6 +396,7 @@ static inline int module_is_live(struct module *mod) struct module *__module_text_address(unsigned long addr); struct module *__module_address(unsigned long addr); bool is_module_address(unsigned long addr); +bool is_module_percpu_address(unsigned long addr); bool is_module_text_address(unsigned long addr); static inline int within_module_core(unsigned long addr, struct module *mod) @@ -459,9 +464,9 @@ static inline void __module_get(struct module *module) { if (module) { preempt_disable(); - __this_cpu_inc(module->refptr->count); + __this_cpu_inc(module->refptr->incs); trace_module_get(module, _THIS_IP_, - __this_cpu_read(module->refptr->count)); + __this_cpu_read(module->refptr->incs)); preempt_enable(); } } @@ -474,11 +479,10 @@ static inline int try_module_get(struct module *module) preempt_disable(); if (likely(module_is_live(module))) { - __this_cpu_inc(module->refptr->count); + __this_cpu_inc(module->refptr->incs); trace_module_get(module, _THIS_IP_, - __this_cpu_read(module->refptr->count)); - } - else + __this_cpu_read(module->refptr->incs)); + } else ret = 0; preempt_enable(); @@ -563,6 +567,11 @@ static inline bool is_module_address(unsigned long addr) return false; } +static inline bool is_module_percpu_address(unsigned long addr) +{ + return false; +} + static inline bool is_module_text_address(unsigned long addr) { return false; diff --git a/include/linux/ncp_fs_sb.h b/include/linux/ncp_fs_sb.h index 6330fc76b00..5ec9ca67168 100644 --- a/include/linux/ncp_fs_sb.h +++ b/include/linux/ncp_fs_sb.h @@ -12,6 +12,7 @@ #include <linux/ncp_mount.h> #include <linux/net.h> #include <linux/mutex.h> +#include <linux/backing-dev.h> #ifdef __KERNEL__ @@ -127,6 +128,7 @@ struct ncp_server { size_t len; __u8 data[128]; } unexpected_packet; + struct backing_dev_info bdi; }; extern void ncp_tcp_rcv_proc(struct work_struct *work); diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h index d654873aa25..1f7e300094c 100644 --- a/include/linux/netfilter_ipv6.h +++ b/include/linux/netfilter_ipv6.h @@ -59,6 +59,7 @@ enum nf_ip6_hook_priorities { NF_IP6_PRI_FIRST = INT_MIN, NF_IP6_PRI_CONNTRACK_DEFRAG = -400, + NF_IP6_PRI_RAW = -300, NF_IP6_PRI_SELINUX_FIRST = -225, NF_IP6_PRI_CONNTRACK = -200, NF_IP6_PRI_MANGLE = -150, diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 1a0b85aa151..07ce4609fe5 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -209,6 +209,7 @@ struct nfs_inode { #define NFS_INO_FLUSHING (4) /* inode is flushing out data */ #define NFS_INO_FSCACHE (5) /* inode can be cached by FS-Cache */ #define NFS_INO_FSCACHE_LOCK (6) /* FS-Cache cookie management lock */ +#define NFS_INO_COMMIT (7) /* inode is committing unstable writes */ static inline struct nfs_inode *NFS_I(const struct inode *inode) { diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 717a5e54eb1..e82957acea5 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -176,6 +176,7 @@ struct nfs_server { #define NFS_CAP_ATIME (1U << 11) #define NFS_CAP_CTIME (1U << 12) #define NFS_CAP_MTIME (1U << 13) +#define NFS_CAP_POSIX_LOCK (1U << 14) /* maximum number of slots to use */ diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h index 30b08136fdf..aef22ae2af4 100644 --- a/include/linux/page_cgroup.h +++ b/include/linux/page_cgroup.h @@ -39,6 +39,7 @@ enum { PCG_CACHE, /* charged as cache */ PCG_USED, /* this object is in use. */ PCG_ACCT_LRU, /* page has been accounted for */ + PCG_FILE_MAPPED, /* page is accounted as "mapped" */ }; #define TESTPCGFLAG(uname, lname) \ @@ -73,6 +74,11 @@ CLEARPCGFLAG(AcctLRU, ACCT_LRU) TESTPCGFLAG(AcctLRU, ACCT_LRU) TESTCLEARPCGFLAG(AcctLRU, ACCT_LRU) + +SETPCGFLAG(FileMapped, FILE_MAPPED) +CLEARPCGFLAG(FileMapped, FILE_MAPPED) +TESTPCGFLAG(FileMapped, FILE_MAPPED) + static inline int page_cgroup_nid(struct page_cgroup *pc) { return page_to_nid(pc->page); diff --git a/include/linux/percpu.h b/include/linux/percpu.h index a93e5bfdccb..d3a38d68710 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -2,10 +2,10 @@ #define __LINUX_PERCPU_H #include <linux/preempt.h> -#include <linux/slab.h> /* For kmalloc() */ #include <linux/smp.h> #include <linux/cpumask.h> #include <linux/pfn.h> +#include <linux/init.h> #include <asm/percpu.h> @@ -135,9 +135,7 @@ extern int __init pcpu_page_first_chunk(size_t reserved_size, #define per_cpu_ptr(ptr, cpu) SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu))) extern void __percpu *__alloc_reserved_percpu(size_t size, size_t align); -extern void __percpu *__alloc_percpu(size_t size, size_t align); -extern void free_percpu(void __percpu *__pdata); -extern phys_addr_t per_cpu_ptr_to_phys(void *addr); +extern bool is_kernel_percpu_address(unsigned long addr); #ifndef CONFIG_HAVE_SETUP_PER_CPU_AREA extern void __init setup_per_cpu_areas(void); @@ -147,25 +145,10 @@ extern void __init setup_per_cpu_areas(void); #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); }) -static inline void __percpu *__alloc_percpu(size_t size, size_t align) +/* can't distinguish from other static vars, always false */ +static inline bool is_kernel_percpu_address(unsigned long addr) { - /* - * Can't easily make larger alignment work with kmalloc. WARN - * on it. Larger alignment should only be used for module - * percpu sections on SMP for which this path isn't used. - */ - WARN_ON_ONCE(align > SMP_CACHE_BYTES); - return kzalloc(size, GFP_KERNEL); -} - -static inline void free_percpu(void __percpu *p) -{ - kfree(p); -} - -static inline phys_addr_t per_cpu_ptr_to_phys(void *addr) -{ - return __pa(addr); + return false; } static inline void __init setup_per_cpu_areas(void) { } @@ -177,6 +160,10 @@ static inline void *pcpu_lpage_remapped(void *kaddr) #endif /* CONFIG_SMP */ +extern void __percpu *__alloc_percpu(size_t size, size_t align); +extern void free_percpu(void __percpu *__pdata); +extern phys_addr_t per_cpu_ptr_to_phys(void *addr); + #define alloc_percpu(type) \ (typeof(type) __percpu *)__alloc_percpu(sizeof(type), __alignof__(type)) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 95477038a72..c8e37544040 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -842,13 +842,6 @@ extern atomic_t perf_swevent_enabled[PERF_COUNT_SW_MAX]; extern void __perf_sw_event(u32, u64, int, struct pt_regs *, u64); -static inline void -perf_sw_event(u32 event_id, u64 nr, int nmi, struct pt_regs *regs, u64 addr) -{ - if (atomic_read(&perf_swevent_enabled[event_id])) - __perf_sw_event(event_id, nr, nmi, regs, addr); -} - extern void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip); @@ -887,6 +880,20 @@ static inline void perf_fetch_caller_regs(struct pt_regs *regs, int skip) return perf_arch_fetch_caller_regs(regs, ip, skip); } +static inline void +perf_sw_event(u32 event_id, u64 nr, int nmi, struct pt_regs *regs, u64 addr) +{ + if (atomic_read(&perf_swevent_enabled[event_id])) { + struct pt_regs hot_regs; + + if (!regs) { + perf_fetch_caller_regs(&hot_regs, 1); + regs = &hot_regs; + } + __perf_sw_event(event_id, nr, nmi, regs, addr); + } +} + extern void __perf_event_mmap(struct vm_area_struct *vma); static inline void perf_event_mmap(struct vm_area_struct *vma) diff --git a/include/linux/poison.h b/include/linux/poison.h index 2110a81c5e2..34066ffd893 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -48,6 +48,15 @@ #define POISON_FREE 0x6b /* for use-after-free poisoning */ #define POISON_END 0xa5 /* end-byte of poisoning */ +/********** mm/hugetlb.c **********/ +/* + * Private mappings of hugetlb pages use this poisoned value for + * page->mapping. The core VM should not be doing anything with this mapping + * but futex requires the existence of some page->mapping value even though it + * is unused if PAGE_MAPPING_ANON is set. + */ +#define HUGETLB_POISON ((void *)(0x00300300 + POISON_POINTER_DELTA + PAGE_MAPPING_ANON)) + /********** arch/$ARCH/mm/init.c **********/ #define POISON_FREE_INITMEM 0xcc diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index c5da7491809..55ca73cf25e 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -121,6 +121,13 @@ do { \ * (Note, rcu_assign_pointer and rcu_dereference are not needed to control * access to data items when inserting into or looking up from the radix tree) * + * Note that the value returned by radix_tree_tag_get() may not be relied upon + * if only the RCU read lock is held. Functions to set/clear tags and to + * delete nodes running concurrently with it may affect its result such that + * two consecutive reads in the same locked section may return different + * values. If reliability is required, modification functions must also be + * excluded from concurrency. + * * radix_tree_tagged is able to be called without locking or RCU. */ diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 3024050c82a..db266bbed23 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -101,10 +101,7 @@ extern struct lockdep_map rcu_sched_lock_map; # define rcu_read_release_sched() \ lock_release(&rcu_sched_lock_map, 1, _THIS_IP_) -static inline int debug_lockdep_rcu_enabled(void) -{ - return likely(rcu_scheduler_active && debug_locks); -} +extern int debug_lockdep_rcu_enabled(void); /** * rcu_read_lock_held - might we be in RCU read-side critical section? @@ -123,22 +120,11 @@ static inline int rcu_read_lock_held(void) return lock_is_held(&rcu_lock_map); } -/** - * rcu_read_lock_bh_held - might we be in RCU-bh read-side critical section? - * - * If CONFIG_PROVE_LOCKING is selected and enabled, returns nonzero iff in - * an RCU-bh read-side critical section. In absence of CONFIG_PROVE_LOCKING, - * this assumes we are in an RCU-bh read-side critical section unless it can - * prove otherwise. - * - * Check rcu_scheduler_active to prevent false positives during boot. +/* + * rcu_read_lock_bh_held() is defined out of line to avoid #include-file + * hell. */ -static inline int rcu_read_lock_bh_held(void) -{ - if (!debug_lockdep_rcu_enabled()) - return 1; - return lock_is_held(&rcu_bh_lock_map); -} +extern int rcu_read_lock_bh_held(void); /** * rcu_read_lock_sched_held - might we be in RCU-sched read-side critical section? @@ -160,7 +146,7 @@ static inline int rcu_read_lock_sched_held(void) return 1; if (debug_locks) lockdep_opinion = lock_is_held(&rcu_sched_lock_map); - return lockdep_opinion || preempt_count() != 0; + return lockdep_opinion || preempt_count() != 0 || irqs_disabled(); } #else /* #ifdef CONFIG_PREEMPT */ static inline int rcu_read_lock_sched_held(void) @@ -191,7 +177,7 @@ static inline int rcu_read_lock_bh_held(void) #ifdef CONFIG_PREEMPT static inline int rcu_read_lock_sched_held(void) { - return !rcu_scheduler_active || preempt_count() != 0; + return !rcu_scheduler_active || preempt_count() != 0 || irqs_disabled(); } #else /* #ifdef CONFIG_PREEMPT */ static inline int rcu_read_lock_sched_held(void) @@ -204,14 +190,34 @@ static inline int rcu_read_lock_sched_held(void) #ifdef CONFIG_PROVE_RCU +extern int rcu_my_thread_group_empty(void); + /** * rcu_dereference_check - rcu_dereference with debug checking + * @p: The pointer to read, prior to dereferencing + * @c: The conditions under which the dereference will take place * - * Do an rcu_dereference(), but check that the context is correct. - * For example, rcu_dereference_check(gp, rcu_read_lock_held()) to - * ensure that the rcu_dereference_check() executes within an RCU - * read-side critical section. It is also possible to check for - * locks being held, for example, by using lockdep_is_held(). + * Do an rcu_dereference(), but check that the conditions under which the + * dereference will take place are correct. Typically the conditions indicate + * the various locking conditions that should be held at that point. The check + * should return true if the conditions are satisfied. + * + * For example: + * + * bar = rcu_dereference_check(foo->bar, rcu_read_lock_held() || + * lockdep_is_held(&foo->lock)); + * + * could be used to indicate to lockdep that foo->bar may only be dereferenced + * if either the RCU read lock is held, or that the lock required to replace + * the bar struct at foo->bar is held. + * + * Note that the list of conditions may also include indications of when a lock + * need not be held, for example during initialisation or destruction of the + * target struct: + * + * bar = rcu_dereference_check(foo->bar, rcu_read_lock_held() || + * lockdep_is_held(&foo->lock) || + * atomic_read(&foo->usage) == 0); */ #define rcu_dereference_check(p, c) \ ({ \ @@ -220,13 +226,45 @@ static inline int rcu_read_lock_sched_held(void) rcu_dereference_raw(p); \ }) +/** + * rcu_dereference_protected - fetch RCU pointer when updates prevented + * + * Return the value of the specified RCU-protected pointer, but omit + * both the smp_read_barrier_depends() and the ACCESS_ONCE(). This + * is useful in cases where update-side locks prevent the value of the + * pointer from changing. Please note that this primitive does -not- + * prevent the compiler from repeating this reference or combining it + * with other references, so it should not be used without protection + * of appropriate locks. + */ +#define rcu_dereference_protected(p, c) \ + ({ \ + if (debug_lockdep_rcu_enabled() && !(c)) \ + lockdep_rcu_dereference(__FILE__, __LINE__); \ + (p); \ + }) + #else /* #ifdef CONFIG_PROVE_RCU */ #define rcu_dereference_check(p, c) rcu_dereference_raw(p) +#define rcu_dereference_protected(p, c) (p) #endif /* #else #ifdef CONFIG_PROVE_RCU */ /** + * rcu_access_pointer - fetch RCU pointer with no dereferencing + * + * Return the value of the specified RCU-protected pointer, but omit the + * smp_read_barrier_depends() and keep the ACCESS_ONCE(). This is useful + * when the value of this pointer is accessed, but the pointer is not + * dereferenced, for example, when testing an RCU-protected pointer against + * NULL. This may also be used in cases where update-side locks prevent + * the value of the pointer from changing, but rcu_dereference_protected() + * is a lighter-weight primitive for this use case. + */ +#define rcu_access_pointer(p) ACCESS_ONCE(p) + +/** * rcu_read_lock - mark the beginning of an RCU read-side critical section. * * When synchronize_rcu() is invoked on one CPU while other CPUs diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 28c9fd020d3..ebd74726529 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -183,9 +183,13 @@ static inline struct regulator *__must_check regulator_get(struct device *dev, { /* Nothing except the stubbed out regulator API should be * looking at the value except to check if it is an error - * value so the actual return value doesn't matter. + * value. Drivers are free to handle NULL specifically by + * skipping all regulator API calls, but they don't have to. + * Drivers which don't, should make sure they properly handle + * corner cases of the API, such as regulator_get_voltage() + * returning 0. */ - return (struct regulator *)id; + return NULL; } static inline void regulator_put(struct regulator *regulator) { diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h index 99928dce37e..7fa02b4af83 100644 --- a/include/linux/reiserfs_xattr.h +++ b/include/linux/reiserfs_xattr.h @@ -70,6 +70,11 @@ int reiserfs_security_write(struct reiserfs_transaction_handle *th, void reiserfs_security_free(struct reiserfs_security_handle *sec); #endif +static inline int reiserfs_xattrs_initialized(struct super_block *sb) +{ + return REISERFS_SB(sb)->priv_root != NULL; +} + #define xattr_size(size) ((size) + sizeof(struct reiserfs_xattr_header)) static inline loff_t reiserfs_xattr_nblocks(struct inode *inode, loff_t size) { diff --git a/include/linux/sched.h b/include/linux/sched.h index dad7f668ebf..2b7b81df78b 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1497,7 +1497,6 @@ struct task_struct { /* bitmask of trace recursion */ unsigned long trace_recursion; #endif /* CONFIG_TRACING */ - unsigned long stack_start; #ifdef CONFIG_CGROUP_MEM_RES_CTLR /* memcg uses this to do batch job */ struct memcg_batch_info { int do_batch; /* incremented when batch uncharge started */ diff --git a/include/linux/security.h b/include/linux/security.h index 233d20b52c1..3158dd982d2 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -33,7 +33,7 @@ #include <linux/sched.h> #include <linux/key.h> #include <linux/xfrm.h> -#include <linux/gfp.h> +#include <linux/slab.h> #include <net/flow.h> /* Maximum number of letters for an LSM name string */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 03f816a9b65..124f90cd5a3 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -190,9 +190,6 @@ struct skb_shared_info { atomic_t dataref; unsigned short nr_frags; unsigned short gso_size; -#ifdef CONFIG_HAS_DMA - dma_addr_t dma_head; -#endif /* Warning: this field is not always filled in (UFO)! */ unsigned short gso_segs; unsigned short gso_type; @@ -201,9 +198,6 @@ struct skb_shared_info { struct sk_buff *frag_list; struct skb_shared_hwtstamps hwtstamps; skb_frag_t frags[MAX_SKB_FRAGS]; -#ifdef CONFIG_HAS_DMA - dma_addr_t dma_maps[MAX_SKB_FRAGS]; -#endif /* Intermediate layers must ensure that destructor_arg * remains valid until skb destructor */ void * destructor_arg; diff --git a/include/linux/slab.h b/include/linux/slab.h index 488446289ca..49d1247cd6d 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -106,6 +106,7 @@ int kmem_cache_shrink(struct kmem_cache *); void kmem_cache_free(struct kmem_cache *, void *); unsigned int kmem_cache_size(struct kmem_cache *); const char *kmem_cache_name(struct kmem_cache *); +int kern_ptr_validate(const void *ptr, unsigned long size); int kmem_ptr_validate(struct kmem_cache *cachep, const void *ptr); /* diff --git a/include/linux/smb_fs_sb.h b/include/linux/smb_fs_sb.h index 8a060a7040d..bb947dd1fba 100644 --- a/include/linux/smb_fs_sb.h +++ b/include/linux/smb_fs_sb.h @@ -10,6 +10,7 @@ #define _SMB_FS_SB #include <linux/types.h> +#include <linux/backing-dev.h> #include <linux/smb.h> /* @@ -74,6 +75,8 @@ struct smb_sb_info { struct smb_ops *ops; struct super_block *super_block; + + struct backing_dev_info bdi; }; static inline int diff --git a/include/linux/socket.h b/include/linux/socket.h index 7b3aae2052a..354cc5617f8 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -255,6 +255,7 @@ struct ucred { #define MSG_ERRQUEUE 0x2000 /* Fetch message from error queue */ #define MSG_NOSIGNAL 0x4000 /* Do not generate SIGPIPE */ #define MSG_MORE 0x8000 /* Sender will send more */ +#define MSG_WAITFORONE 0x10000 /* recvmmsg(): block until 1+ packets avail */ #define MSG_EOF MSG_FIN diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 97b60b37f44..af56071b06f 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -21,6 +21,7 @@ #include <linux/device.h> #include <linux/mod_devicetable.h> +#include <linux/slab.h> /* * INTERFACES between SPI master-side drivers and SPI infrastructure. diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h index d7152b451e2..7c91260c44a 100644 --- a/include/linux/sunrpc/bc_xprt.h +++ b/include/linux/sunrpc/bc_xprt.h @@ -36,7 +36,6 @@ struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt); void xprt_free_bc_request(struct rpc_rqst *req); int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs); void xprt_destroy_backchannel(struct rpc_xprt *, int max_reqs); -void bc_release_request(struct rpc_task *); int bc_send(struct rpc_rqst *req); /* @@ -59,6 +58,10 @@ static inline int svc_is_backchannel(const struct svc_rqst *rqstp) { return 0; } + +static inline void xprt_free_bc_request(struct rpc_rqst *req) +{ +} #endif /* CONFIG_NFS_V4_1 */ #endif /* _LINUX_SUNRPC_BC_XPRT_H */ diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h index b6523c1427c..58de6edf751 100644 --- a/include/linux/taskstats_kern.h +++ b/include/linux/taskstats_kern.h @@ -9,6 +9,7 @@ #include <linux/taskstats.h> #include <linux/sched.h> +#include <linux/slab.h> #ifdef CONFIG_TASKSTATS extern struct kmem_cache *taskstats_cache; diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index f59604ed0ec..78b4bd3be49 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -49,7 +49,7 @@ struct tracepoint { void **it_func; \ \ rcu_read_lock_sched_notrace(); \ - it_func = rcu_dereference((tp)->funcs); \ + it_func = rcu_dereference_sched((tp)->funcs); \ if (it_func) { \ do { \ ((void(*)(proto))(*it_func))(args); \ diff --git a/include/linux/usb.h b/include/linux/usb.h index ce1323c4e47..739f1fd1cc1 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -1085,7 +1085,7 @@ typedef void (*usb_complete_t)(struct urb *); * Alternatively, drivers may pass the URB_NO_xxx_DMA_MAP transfer flags, * which tell the host controller driver that no such mapping is needed since * the device driver is DMA-aware. For example, a device driver might - * allocate a DMA buffer with usb_buffer_alloc() or call usb_buffer_map(). + * allocate a DMA buffer with usb_alloc_coherent() or call usb_buffer_map(). * When these transfer flags are provided, host controller drivers will * attempt to use the dma addresses found in the transfer_dma and/or * setup_dma fields rather than determining a dma address themselves. @@ -1366,11 +1366,23 @@ static inline int usb_urb_dir_out(struct urb *urb) return (urb->transfer_flags & URB_DIR_MASK) == URB_DIR_OUT; } -void *usb_buffer_alloc(struct usb_device *dev, size_t size, +void *usb_alloc_coherent(struct usb_device *dev, size_t size, gfp_t mem_flags, dma_addr_t *dma); -void usb_buffer_free(struct usb_device *dev, size_t size, +void usb_free_coherent(struct usb_device *dev, size_t size, void *addr, dma_addr_t dma); +/* Compatible macros while we switch over */ +static inline void *usb_buffer_alloc(struct usb_device *dev, size_t size, + gfp_t mem_flags, dma_addr_t *dma) +{ + return usb_alloc_coherent(dev, size, mem_flags, dma); +} +static inline void usb_buffer_free(struct usb_device *dev, size_t size, + void *addr, dma_addr_t dma) +{ + return usb_free_coherent(dev, size, addr, dma); +} + #if 0 struct urb *usb_buffer_map(struct urb *urb); void usb_buffer_dmasync(struct urb *urb); diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h new file mode 100644 index 00000000000..2389f93a28b --- /dev/null +++ b/include/linux/usb/audio-v2.h @@ -0,0 +1,378 @@ +/* + * Copyright (c) 2010 Daniel Mack <daniel@caiaq.de> + * + * This software is distributed under the terms of the GNU General Public + * License ("GPL") version 2, as published by the Free Software Foundation. + * + * This file holds USB constants and structures defined + * by the USB Device Class Definition for Audio Devices in version 2.0. + * Comments below reference relevant sections of the documents contained + * in http://www.usb.org/developers/devclass_docs/Audio2.0_final.zip + */ + +#ifndef __LINUX_USB_AUDIO_V2_H +#define __LINUX_USB_AUDIO_V2_H + +#include <linux/types.h> + +/* v1.0 and v2.0 of this standard have many things in common. For the rest + * of the definitions, please refer to audio.h */ + +/* 4.7.2.1 Clock Source Descriptor */ + +struct uac_clock_source_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bClockID; + __u8 bmAttributes; + __u8 bmControls; + __u8 bAssocTerminal; + __u8 iClockSource; +} __attribute__((packed)); + +/* 4.7.2.2 Clock Source Descriptor */ + +struct uac_clock_selector_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bClockID; + __u8 bNrInPins; + __u8 bmControls; + __u8 baCSourceID[]; +} __attribute__((packed)); + +/* 4.7.2.4 Input terminal descriptor */ + +struct uac2_input_terminal_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bTerminalID; + __u16 wTerminalType; + __u8 bAssocTerminal; + __u8 bCSourceID; + __u8 bNrChannels; + __u32 bmChannelConfig; + __u8 iChannelNames; + __u16 bmControls; + __u8 iTerminal; +} __attribute__((packed)); + +/* 4.7.2.5 Output terminal descriptor */ + +struct uac2_output_terminal_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bTerminalID; + __u16 wTerminalType; + __u8 bAssocTerminal; + __u8 bSourceID; + __u8 bCSourceID; + __u16 bmControls; + __u8 iTerminal; +} __attribute__((packed)); + + + +/* 4.7.2.8 Feature Unit Descriptor */ + +struct uac2_feature_unit_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bUnitID; + __u8 bSourceID; + /* bmaControls is actually u32, + * but u8 is needed for the hybrid parser */ + __u8 bmaControls[0]; /* variable length */ +} __attribute__((packed)); + +/* 4.9.2 Class-Specific AS Interface Descriptor */ + +struct uac_as_header_descriptor_v2 { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bTerminalLink; + __u8 bmControls; + __u8 bFormatType; + __u32 bmFormats; + __u8 bNrChannels; + __u32 bmChannelConfig; + __u8 iChannelNames; +} __attribute__((packed)); + +/* 6.1 Interrupt Data Message */ + +#define UAC2_INTERRUPT_DATA_MSG_VENDOR (1 << 0) +#define UAC2_INTERRUPT_DATA_MSG_EP (1 << 1) + +struct uac2_interrupt_data_msg { + __u8 bInfo; + __u8 bAttribute; + __le16 wValue; + __le16 wIndex; +} __attribute__((packed)); + +/* A.7 Audio Function Category Codes */ +#define UAC2_FUNCTION_SUBCLASS_UNDEFINED 0x00 +#define UAC2_FUNCTION_DESKTOP_SPEAKER 0x01 +#define UAC2_FUNCTION_HOME_THEATER 0x02 +#define UAC2_FUNCTION_MICROPHONE 0x03 +#define UAC2_FUNCTION_HEADSET 0x04 +#define UAC2_FUNCTION_TELEPHONE 0x05 +#define UAC2_FUNCTION_CONVERTER 0x06 +#define UAC2_FUNCTION_SOUND_RECORDER 0x07 +#define UAC2_FUNCTION_IO_BOX 0x08 +#define UAC2_FUNCTION_MUSICAL_INSTRUMENT 0x09 +#define UAC2_FUNCTION_PRO_AUDIO 0x0a +#define UAC2_FUNCTION_AUDIO_VIDEO 0x0b +#define UAC2_FUNCTION_CONTROL_PANEL 0x0c +#define UAC2_FUNCTION_OTHER 0xff + +/* A.9 Audio Class-Specific AC Interface Descriptor Subtypes */ +/* see audio.h for the rest, which is identical to v1 */ +#define UAC2_EFFECT_UNIT 0x07 +#define UAC2_PROCESSING_UNIT_V2 0x08 +#define UAC2_EXTENSION_UNIT_V2 0x09 +#define UAC2_CLOCK_SOURCE 0x0a +#define UAC2_CLOCK_SELECTOR 0x0b +#define UAC2_CLOCK_MULTIPLIER 0x0c +#define UAC2_SAMPLE_RATE_CONVERTER 0x0d + +/* A.10 Audio Class-Specific AS Interface Descriptor Subtypes */ +/* see audio.h for the rest, which is identical to v1 */ +#define UAC2_ENCODER 0x03 +#define UAC2_DECODER 0x04 + +/* A.11 Effect Unit Effect Types */ +#define UAC2_EFFECT_UNDEFINED 0x00 +#define UAC2_EFFECT_PARAM_EQ 0x01 +#define UAC2_EFFECT_REVERB 0x02 +#define UAC2_EFFECT_MOD_DELAY 0x03 +#define UAC2_EFFECT_DYN_RANGE_COMP 0x04 + +/* A.12 Processing Unit Process Types */ +#define UAC2_PROCESS_UNDEFINED 0x00 +#define UAC2_PROCESS_UP_DOWNMIX 0x01 +#define UAC2_PROCESS_DOLBY_PROLOCIC 0x02 +#define UAC2_PROCESS_STEREO_EXTENDER 0x03 + +/* A.14 Audio Class-Specific Request Codes */ +#define UAC2_CS_CUR 0x01 +#define UAC2_CS_RANGE 0x02 +#define UAC2_CS_MEM 0x03 + +/* A.15 Encoder Type Codes */ +#define UAC2_ENCODER_UNDEFINED 0x00 +#define UAC2_ENCODER_OTHER 0x01 +#define UAC2_ENCODER_MPEG 0x02 +#define UAC2_ENCODER_AC3 0x03 +#define UAC2_ENCODER_WMA 0x04 +#define UAC2_ENCODER_DTS 0x05 + +/* A.16 Decoder Type Codes */ +#define UAC2_DECODER_UNDEFINED 0x00 +#define UAC2_DECODER_OTHER 0x01 +#define UAC2_DECODER_MPEG 0x02 +#define UAC2_DECODER_AC3 0x03 +#define UAC2_DECODER_WMA 0x04 +#define UAC2_DECODER_DTS 0x05 + +/* A.17.1 Clock Source Control Selectors */ +#define UAC2_CS_UNDEFINED 0x00 +#define UAC2_CS_CONTROL_SAM_FREQ 0x01 +#define UAC2_CS_CONTROL_CLOCK_VALID 0x02 + +/* A.17.2 Clock Selector Control Selectors */ +#define UAC2_CX_UNDEFINED 0x00 +#define UAC2_CX_CLOCK_SELECTOR 0x01 + +/* A.17.3 Clock Multiplier Control Selectors */ +#define UAC2_CM_UNDEFINED 0x00 +#define UAC2_CM_NUMERATOR 0x01 +#define UAC2_CM_DENOMINTATOR 0x02 + +/* A.17.4 Terminal Control Selectors */ +#define UAC2_TE_UNDEFINED 0x00 +#define UAC2_TE_COPY_PROTECT 0x01 +#define UAC2_TE_CONNECTOR 0x02 +#define UAC2_TE_OVERLOAD 0x03 +#define UAC2_TE_CLUSTER 0x04 +#define UAC2_TE_UNDERFLOW 0x05 +#define UAC2_TE_OVERFLOW 0x06 +#define UAC2_TE_LATENCY 0x07 + +/* A.17.5 Mixer Control Selectors */ +#define UAC2_MU_UNDEFINED 0x00 +#define UAC2_MU_MIXER 0x01 +#define UAC2_MU_CLUSTER 0x02 +#define UAC2_MU_UNDERFLOW 0x03 +#define UAC2_MU_OVERFLOW 0x04 +#define UAC2_MU_LATENCY 0x05 + +/* A.17.6 Selector Control Selectors */ +#define UAC2_SU_UNDEFINED 0x00 +#define UAC2_SU_SELECTOR 0x01 +#define UAC2_SU_LATENCY 0x02 + +/* A.17.7 Feature Unit Control Selectors */ +/* see audio.h for the rest, which is identical to v1 */ +#define UAC2_FU_INPUT_GAIN 0x0b +#define UAC2_FU_INPUT_GAIN_PAD 0x0c +#define UAC2_FU_PHASE_INVERTER 0x0d +#define UAC2_FU_UNDERFLOW 0x0e +#define UAC2_FU_OVERFLOW 0x0f +#define UAC2_FU_LATENCY 0x10 + +/* A.17.8.1 Parametric Equalizer Section Effect Unit Control Selectors */ +#define UAC2_PE_UNDEFINED 0x00 +#define UAC2_PE_ENABLE 0x01 +#define UAC2_PE_CENTERFREQ 0x02 +#define UAC2_PE_QFACTOR 0x03 +#define UAC2_PE_GAIN 0x04 +#define UAC2_PE_UNDERFLOW 0x05 +#define UAC2_PE_OVERFLOW 0x06 +#define UAC2_PE_LATENCY 0x07 + +/* A.17.8.2 Reverberation Effect Unit Control Selectors */ +#define UAC2_RV_UNDEFINED 0x00 +#define UAC2_RV_ENABLE 0x01 +#define UAC2_RV_TYPE 0x02 +#define UAC2_RV_LEVEL 0x03 +#define UAC2_RV_TIME 0x04 +#define UAC2_RV_FEEDBACK 0x05 +#define UAC2_RV_PREDELAY 0x06 +#define UAC2_RV_DENSITY 0x07 +#define UAC2_RV_HIFREQ_ROLLOFF 0x08 +#define UAC2_RV_UNDERFLOW 0x09 +#define UAC2_RV_OVERFLOW 0x0a +#define UAC2_RV_LATENCY 0x0b + +/* A.17.8.3 Modulation Delay Effect Control Selectors */ +#define UAC2_MD_UNDEFINED 0x00 +#define UAC2_MD_ENABLE 0x01 +#define UAC2_MD_BALANCE 0x02 +#define UAC2_MD_RATE 0x03 +#define UAC2_MD_DEPTH 0x04 +#define UAC2_MD_TIME 0x05 +#define UAC2_MD_FEEDBACK 0x06 +#define UAC2_MD_UNDERFLOW 0x07 +#define UAC2_MD_OVERFLOW 0x08 +#define UAC2_MD_LATENCY 0x09 + +/* A.17.8.4 Dynamic Range Compressor Effect Unit Control Selectors */ +#define UAC2_DR_UNDEFINED 0x00 +#define UAC2_DR_ENABLE 0x01 +#define UAC2_DR_COMPRESSION_RATE 0x02 +#define UAC2_DR_MAXAMPL 0x03 +#define UAC2_DR_THRESHOLD 0x04 +#define UAC2_DR_ATTACK_TIME 0x05 +#define UAC2_DR_RELEASE_TIME 0x06 +#define UAC2_DR_UNDEFLOW 0x07 +#define UAC2_DR_OVERFLOW 0x08 +#define UAC2_DR_LATENCY 0x09 + +/* A.17.9.1 Up/Down-mix Processing Unit Control Selectors */ +#define UAC2_UD_UNDEFINED 0x00 +#define UAC2_UD_ENABLE 0x01 +#define UAC2_UD_MODE_SELECT 0x02 +#define UAC2_UD_CLUSTER 0x03 +#define UAC2_UD_UNDERFLOW 0x04 +#define UAC2_UD_OVERFLOW 0x05 +#define UAC2_UD_LATENCY 0x06 + +/* A.17.9.2 Dolby Prologic[tm] Processing Unit Control Selectors */ +#define UAC2_DP_UNDEFINED 0x00 +#define UAC2_DP_ENABLE 0x01 +#define UAC2_DP_MODE_SELECT 0x02 +#define UAC2_DP_CLUSTER 0x03 +#define UAC2_DP_UNDERFFLOW 0x04 +#define UAC2_DP_OVERFLOW 0x05 +#define UAC2_DP_LATENCY 0x06 + +/* A.17.9.3 Stereo Expander Processing Unit Control Selectors */ +#define UAC2_ST_EXT_UNDEFINED 0x00 +#define UAC2_ST_EXT_ENABLE 0x01 +#define UAC2_ST_EXT_WIDTH 0x02 +#define UAC2_ST_EXT_UNDEFLOW 0x03 +#define UAC2_ST_EXT_OVERFLOW 0x04 +#define UAC2_ST_EXT_LATENCY 0x05 + +/* A.17.10 Extension Unit Control Selectors */ +#define UAC2_XU_UNDEFINED 0x00 +#define UAC2_XU_ENABLE 0x01 +#define UAC2_XU_CLUSTER 0x02 +#define UAC2_XU_UNDERFLOW 0x03 +#define UAC2_XU_OVERFLOW 0x04 +#define UAC2_XU_LATENCY 0x05 + +/* A.17.11 AudioStreaming Interface Control Selectors */ +#define UAC2_AS_UNDEFINED 0x00 +#define UAC2_AS_ACT_ALT_SETTING 0x01 +#define UAC2_AS_VAL_ALT_SETTINGS 0x02 +#define UAC2_AS_AUDIO_DATA_FORMAT 0x03 + +/* A.17.12 Encoder Control Selectors */ +#define UAC2_EN_UNDEFINED 0x00 +#define UAC2_EN_BIT_RATE 0x01 +#define UAC2_EN_QUALITY 0x02 +#define UAC2_EN_VBR 0x03 +#define UAC2_EN_TYPE 0x04 +#define UAC2_EN_UNDERFLOW 0x05 +#define UAC2_EN_OVERFLOW 0x06 +#define UAC2_EN_ENCODER_ERROR 0x07 +#define UAC2_EN_PARAM1 0x08 +#define UAC2_EN_PARAM2 0x09 +#define UAC2_EN_PARAM3 0x0a +#define UAC2_EN_PARAM4 0x0b +#define UAC2_EN_PARAM5 0x0c +#define UAC2_EN_PARAM6 0x0d +#define UAC2_EN_PARAM7 0x0e +#define UAC2_EN_PARAM8 0x0f + +/* A.17.13.1 MPEG Decoder Control Selectors */ +#define UAC2_MPEG_UNDEFINED 0x00 +#define UAC2_MPEG_DUAL_CHANNEL 0x01 +#define UAC2_MPEG_SECOND_STEREO 0x02 +#define UAC2_MPEG_MULTILINGUAL 0x03 +#define UAC2_MPEG_DYN_RANGE 0x04 +#define UAC2_MPEG_SCALING 0x05 +#define UAC2_MPEG_HILO_SCALING 0x06 +#define UAC2_MPEG_UNDERFLOW 0x07 +#define UAC2_MPEG_OVERFLOW 0x08 +#define UAC2_MPEG_DECODER_ERROR 0x09 + +/* A17.13.2 AC3 Decoder Control Selectors */ +#define UAC2_AC3_UNDEFINED 0x00 +#define UAC2_AC3_MODE 0x01 +#define UAC2_AC3_DYN_RANGE 0x02 +#define UAC2_AC3_SCALING 0x03 +#define UAC2_AC3_HILO_SCALING 0x04 +#define UAC2_AC3_UNDERFLOW 0x05 +#define UAC2_AC3_OVERFLOW 0x06 +#define UAC2_AC3_DECODER_ERROR 0x07 + +/* A17.13.3 WMA Decoder Control Selectors */ +#define UAC2_WMA_UNDEFINED 0x00 +#define UAC2_WMA_UNDERFLOW 0x01 +#define UAC2_WMA_OVERFLOW 0x02 +#define UAC2_WMA_DECODER_ERROR 0x03 + +/* A17.13.4 DTS Decoder Control Selectors */ +#define UAC2_DTS_UNDEFINED 0x00 +#define UAC2_DTS_UNDERFLOW 0x01 +#define UAC2_DTS_OVERFLOW 0x02 +#define UAC2_DTS_DECODER_ERROR 0x03 + +/* A17.14 Endpoint Control Selectors */ +#define UAC2_EP_CS_UNDEFINED 0x00 +#define UAC2_EP_CS_PITCH 0x01 +#define UAC2_EP_CS_DATA_OVERRUN 0x02 +#define UAC2_EP_CS_DATA_UNDERRUN 0x03 + +#endif /* __LINUX_USB_AUDIO_V2_H */ + diff --git a/include/linux/usb/audio.h b/include/linux/usb/audio.h index 4d3e450e2b0..c0ef18dc2da 100644 --- a/include/linux/usb/audio.h +++ b/include/linux/usb/audio.h @@ -13,6 +13,9 @@ * Comments below reference relevant sections of that document: * * http://www.usb.org/developers/devclass_docs/audio10.pdf + * + * Types and defines in this file are either specific to version 1.0 of + * this standard or common for newer versions. */ #ifndef __LINUX_USB_AUDIO_H @@ -20,14 +23,15 @@ #include <linux/types.h> +/* bInterfaceProtocol values to denote the version of the standard used */ +#define UAC_VERSION_1 0x00 +#define UAC_VERSION_2 0x20 + /* A.2 Audio Interface Subclass Codes */ #define USB_SUBCLASS_AUDIOCONTROL 0x01 #define USB_SUBCLASS_AUDIOSTREAMING 0x02 #define USB_SUBCLASS_MIDISTREAMING 0x03 -#define UAC_VERSION_1 0x00 -#define UAC_VERSION_2 0x20 - /* A.5 Audio Class-Specific AC Interface Descriptor Subtypes */ #define UAC_HEADER 0x01 #define UAC_INPUT_TERMINAL 0x02 @@ -38,15 +42,6 @@ #define UAC_PROCESSING_UNIT_V1 0x07 #define UAC_EXTENSION_UNIT_V1 0x08 -/* UAC v2.0 types */ -#define UAC_EFFECT_UNIT 0x07 -#define UAC_PROCESSING_UNIT_V2 0x08 -#define UAC_EXTENSION_UNIT_V2 0x09 -#define UAC_CLOCK_SOURCE 0x0a -#define UAC_CLOCK_SELECTOR 0x0b -#define UAC_CLOCK_MULTIPLIER 0x0c -#define UAC_SAMPLE_RATE_CONVERTER 0x0d - /* A.6 Audio Class-Specific AS Interface Descriptor Subtypes */ #define UAC_AS_GENERAL 0x01 #define UAC_FORMAT_TYPE 0x02 @@ -78,10 +73,6 @@ #define UAC_GET_STAT 0xff -/* Audio class v2.0 handles all the parameter calls differently */ -#define UAC2_CS_CUR 0x01 -#define UAC2_CS_RANGE 0x02 - /* MIDI - A.1 MS Class-Specific Interface Descriptor Subtypes */ #define UAC_MS_HEADER 0x01 #define UAC_MIDI_IN_JACK 0x02 @@ -190,6 +181,156 @@ struct uac_feature_unit_descriptor_##ch { \ __u8 iFeature; \ } __attribute__ ((packed)) +/* 4.3.2.3 Mixer Unit Descriptor */ +struct uac_mixer_unit_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bUnitID; + __u8 bNrInPins; + __u8 baSourceID[]; +} __attribute__ ((packed)); + +static inline __u8 uac_mixer_unit_bNrChannels(struct uac_mixer_unit_descriptor *desc) +{ + return desc->baSourceID[desc->bNrInPins]; +} + +static inline __u32 uac_mixer_unit_wChannelConfig(struct uac_mixer_unit_descriptor *desc, + int protocol) +{ + if (protocol == UAC_VERSION_1) + return (desc->baSourceID[desc->bNrInPins + 2] << 8) | + desc->baSourceID[desc->bNrInPins + 1]; + else + return (desc->baSourceID[desc->bNrInPins + 4] << 24) | + (desc->baSourceID[desc->bNrInPins + 3] << 16) | + (desc->baSourceID[desc->bNrInPins + 2] << 8) | + (desc->baSourceID[desc->bNrInPins + 1]); +} + +static inline __u8 uac_mixer_unit_iChannelNames(struct uac_mixer_unit_descriptor *desc, + int protocol) +{ + return (protocol == UAC_VERSION_1) ? + desc->baSourceID[desc->bNrInPins + 3] : + desc->baSourceID[desc->bNrInPins + 5]; +} + +static inline __u8 *uac_mixer_unit_bmControls(struct uac_mixer_unit_descriptor *desc, + int protocol) +{ + return (protocol == UAC_VERSION_1) ? + &desc->baSourceID[desc->bNrInPins + 4] : + &desc->baSourceID[desc->bNrInPins + 6]; +} + +static inline __u8 uac_mixer_unit_iMixer(struct uac_mixer_unit_descriptor *desc) +{ + __u8 *raw = (__u8 *) desc; + return raw[desc->bLength - 1]; +} + +/* 4.3.2.4 Selector Unit Descriptor */ +struct uac_selector_unit_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bUintID; + __u8 bNrInPins; + __u8 baSourceID[]; +} __attribute__ ((packed)); + +static inline __u8 uac_selector_unit_iSelector(struct uac_selector_unit_descriptor *desc) +{ + __u8 *raw = (__u8 *) desc; + return raw[9 + desc->bLength - 1]; +} + +/* 4.3.2.5 Feature Unit Descriptor */ +struct uac_feature_unit_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bUnitID; + __u8 bSourceID; + __u8 bControlSize; + __u8 bmaControls[0]; /* variable length */ +} __attribute__((packed)); + +static inline __u8 uac_feature_unit_iFeature(struct uac_feature_unit_descriptor *desc) +{ + __u8 *raw = (__u8 *) desc; + return raw[desc->bLength - 1]; +} + +/* 4.3.2.6 Processing Unit Descriptors */ +struct uac_processing_unit_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bUnitID; + __u16 wProcessType; + __u8 bNrInPins; + __u8 baSourceID[]; +} __attribute__ ((packed)); + +static inline __u8 uac_processing_unit_bNrChannels(struct uac_processing_unit_descriptor *desc) +{ + return desc->baSourceID[desc->bNrInPins]; +} + +static inline __u32 uac_processing_unit_wChannelConfig(struct uac_processing_unit_descriptor *desc, + int protocol) +{ + if (protocol == UAC_VERSION_1) + return (desc->baSourceID[desc->bNrInPins + 2] << 8) | + desc->baSourceID[desc->bNrInPins + 1]; + else + return (desc->baSourceID[desc->bNrInPins + 4] << 24) | + (desc->baSourceID[desc->bNrInPins + 3] << 16) | + (desc->baSourceID[desc->bNrInPins + 2] << 8) | + (desc->baSourceID[desc->bNrInPins + 1]); +} + +static inline __u8 uac_processing_unit_iChannelNames(struct uac_processing_unit_descriptor *desc, + int protocol) +{ + return (protocol == UAC_VERSION_1) ? + desc->baSourceID[desc->bNrInPins + 3] : + desc->baSourceID[desc->bNrInPins + 5]; +} + +static inline __u8 uac_processing_unit_bControlSize(struct uac_processing_unit_descriptor *desc, + int protocol) +{ + return (protocol == UAC_VERSION_1) ? + desc->baSourceID[desc->bNrInPins + 4] : + desc->baSourceID[desc->bNrInPins + 6]; +} + +static inline __u8 *uac_processing_unit_bmControls(struct uac_processing_unit_descriptor *desc, + int protocol) +{ + return (protocol == UAC_VERSION_1) ? + &desc->baSourceID[desc->bNrInPins + 5] : + &desc->baSourceID[desc->bNrInPins + 7]; +} + +static inline __u8 uac_processing_unit_iProcessing(struct uac_processing_unit_descriptor *desc, + int protocol) +{ + __u8 control_size = uac_processing_unit_bControlSize(desc, protocol); + return desc->baSourceID[desc->bNrInPins + control_size]; +} + +static inline __u8 *uac_processing_unit_specific(struct uac_processing_unit_descriptor *desc, + int protocol) +{ + __u8 control_size = uac_processing_unit_bControlSize(desc, protocol); + return &desc->baSourceID[desc->bNrInPins + control_size + 1]; +} + /* 4.5.2 Class-Specific AS Interface Descriptor */ struct uac_as_header_descriptor_v1 { __u8 bLength; /* in bytes: 7 */ @@ -200,19 +341,6 @@ struct uac_as_header_descriptor_v1 { __le16 wFormatTag; /* The Audio Data Format */ } __attribute__ ((packed)); -struct uac_as_header_descriptor_v2 { - __u8 bLength; - __u8 bDescriptorType; - __u8 bDescriptorSubtype; - __u8 bTerminalLink; - __u8 bmControls; - __u8 bFormatType; - __u32 bmFormats; - __u8 bNrChannels; - __u32 bmChannelConfig; - __u8 iChannelNames; -} __attribute__((packed)); - #define UAC_DT_AS_HEADER_SIZE 7 /* Formats - A.1.1 Audio Data Format Type I Codes */ @@ -277,7 +405,6 @@ struct uac_format_type_i_ext_descriptor { __u8 bSideBandProtocol; } __attribute__((packed)); - /* Formats - Audio Data Format Type I Codes */ #define UAC_FORMAT_TYPE_II_MPEG 0x1001 @@ -329,38 +456,15 @@ struct uac_iso_endpoint_descriptor { __u8 bmAttributes; __u8 bLockDelayUnits; __le16 wLockDelay; -}; +} __attribute__((packed)); #define UAC_ISO_ENDPOINT_DESC_SIZE 7 #define UAC_EP_CS_ATTR_SAMPLE_RATE 0x01 #define UAC_EP_CS_ATTR_PITCH_CONTROL 0x02 #define UAC_EP_CS_ATTR_FILL_MAX 0x80 -/* Audio class v2.0: CLOCK_SOURCE descriptor */ - -struct uac_clock_source_descriptor { - __u8 bLength; - __u8 bDescriptorType; - __u8 bDescriptorSubtype; - __u8 bClockID; - __u8 bmAttributes; - __u8 bmControls; - __u8 bAssocTerminal; - __u8 iClockSource; -} __attribute__((packed)); - /* A.10.2 Feature Unit Control Selectors */ -struct uac_feature_unit_descriptor { - __u8 bLength; - __u8 bDescriptorType; - __u8 bDescriptorSubtype; - __u8 bUnitID; - __u8 bSourceID; - __u8 bControlSize; - __u8 controls[0]; /* variable length */ -} __attribute__((packed)); - #define UAC_FU_CONTROL_UNDEFINED 0x00 #define UAC_MUTE_CONTROL 0x01 #define UAC_VOLUME_CONTROL 0x02 @@ -384,6 +488,21 @@ struct uac_feature_unit_descriptor { #define UAC_FU_BASS_BOOST (1 << (UAC_BASS_BOOST_CONTROL - 1)) #define UAC_FU_LOUDNESS (1 << (UAC_LOUDNESS_CONTROL - 1)) +/* status word format (3.7.1.1) */ + +#define UAC1_STATUS_TYPE_ORIG_MASK 0x0f +#define UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF 0x0 +#define UAC1_STATUS_TYPE_ORIG_AUDIO_STREAM_IF 0x1 +#define UAC1_STATUS_TYPE_ORIG_AUDIO_STREAM_EP 0x2 + +#define UAC1_STATUS_TYPE_IRQ_PENDING (1 << 7) +#define UAC1_STATUS_TYPE_MEM_CHANGED (1 << 6) + +struct uac1_status_word { + __u8 bStatusType; + __u8 bOriginator; +} __attribute__((packed)); + #ifdef __KERNEL__ struct usb_audio_control { diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index bbf45d500b6..f4b7ca516cd 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -15,6 +15,8 @@ #ifndef __LINUX_USB_GADGET_H #define __LINUX_USB_GADGET_H +#include <linux/slab.h> + struct usb_ep; /** diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h index ae4f039515b..92228a8fbcb 100644 --- a/include/linux/virtio_console.h +++ b/include/linux/virtio_console.h @@ -12,37 +12,14 @@ /* Feature bits */ #define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */ -#define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */ struct virtio_console_config { /* colums of the screens */ __u16 cols; /* rows of the screens */ __u16 rows; - /* max. number of ports this device can hold */ - __u32 max_nr_ports; - /* number of ports added so far */ - __u32 nr_ports; } __attribute__((packed)); -/* - * A message that's passed between the Host and the Guest for a - * particular port. - */ -struct virtio_console_control { - __u32 id; /* Port number */ - __u16 event; /* The kind of control event (see below) */ - __u16 value; /* Extra information for the key */ -}; - -/* Some events for control messages */ -#define VIRTIO_CONSOLE_PORT_READY 0 -#define VIRTIO_CONSOLE_CONSOLE_PORT 1 -#define VIRTIO_CONSOLE_RESIZE 2 -#define VIRTIO_CONSOLE_PORT_OPEN 3 -#define VIRTIO_CONSOLE_PORT_NAME 4 -#define VIRTIO_CONSOLE_PORT_REMOVE 5 - #ifdef __KERNEL__ int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int)); #endif /* __KERNEL__ */ diff --git a/include/linux/wimax/debug.h b/include/linux/wimax/debug.h index db8096e8853..57031b4d12f 100644 --- a/include/linux/wimax/debug.h +++ b/include/linux/wimax/debug.h @@ -155,6 +155,7 @@ #include <linux/types.h> #include <linux/device.h> +#include <linux/slab.h> /* Backend stuff */ diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 76e8903cd20..36520ded3e0 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -34,6 +34,9 @@ struct writeback_control { enum writeback_sync_modes sync_mode; unsigned long *older_than_this; /* If !NULL, only write back inodes older than this */ + unsigned long wb_start; /* Time writeback_inodes_wb was + called. This is needed to avoid + extra jobs and livelock */ long nr_to_write; /* Write this many pages, and decrement this for each page written */ long pages_skipped; /* Pages which were not written */ |