diff options
Diffstat (limited to 'drivers/usb/storage/usb.c')
| -rw-r--r-- | drivers/usb/storage/usb.c | 106 |
1 files changed, 92 insertions, 14 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 27016fd2cad..4becf495ca2 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -75,9 +75,6 @@ #ifdef CONFIG_USB_STORAGE_SDDR55 #include "sddr55.h" #endif -#ifdef CONFIG_USB_STORAGE_DPCM -#include "dpcm.h" -#endif #ifdef CONFIG_USB_STORAGE_FREECOM #include "freecom.h" #endif @@ -103,6 +100,7 @@ #include "cypress_atacb.h" #endif #include "sierra_ms.h" +#include "option_ms.h" /* Some informational data */ MODULE_AUTHOR("Matthew Dharm <mdharm-usb@one-eyed-alien.net>"); @@ -113,6 +111,10 @@ static unsigned int delay_use = 5; module_param(delay_use, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(delay_use, "seconds to delay before using a new device"); +static char quirks[128]; +module_param_string(quirks, quirks, sizeof(quirks), S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(quirks, "supplemental list of device IDs and their quirks"); + /* * The entries in this table correspond, line for line, @@ -126,6 +128,8 @@ MODULE_PARM_DESC(delay_use, "seconds to delay before using a new device"); { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin,bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } +#define COMPLIANT_DEV UNUSUAL_DEV + #define USUAL_DEV(useProto, useTrans, useType) \ { USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans), \ .driver_info = (USB_US_TYPE_STOR<<24) } @@ -134,6 +138,7 @@ static struct usb_device_id storage_usb_ids [] = { # include "unusual_devs.h" #undef UNUSUAL_DEV +#undef COMPLIANT_DEV #undef USUAL_DEV /* Terminating entry */ { } @@ -164,6 +169,8 @@ MODULE_DEVICE_TABLE (usb, storage_usb_ids); .initFunction = init_function, \ } +#define COMPLIANT_DEV UNUSUAL_DEV + #define USUAL_DEV(use_protocol, use_transport, use_type) \ { \ .useProtocol = use_protocol, \ @@ -173,6 +180,7 @@ MODULE_DEVICE_TABLE (usb, storage_usb_ids); static struct us_unusual_dev us_unusual_dev_list[] = { # include "unusual_devs.h" # undef UNUSUAL_DEV +# undef COMPLIANT_DEV # undef USUAL_DEV /* Terminating entry */ @@ -464,13 +472,83 @@ static int associate_dev(struct us_data *us, struct usb_interface *intf) US_DEBUGP("I/O buffer allocation failed\n"); return -ENOMEM; } + return 0; +} - us->sensebuf = kmalloc(US_SENSE_SIZE, GFP_KERNEL); - if (!us->sensebuf) { - US_DEBUGP("Sense buffer allocation failed\n"); - return -ENOMEM; +/* Works only for digits and letters, but small and fast */ +#define TOLOWER(x) ((x) | 0x20) + +/* Adjust device flags based on the "quirks=" module parameter */ +static void adjust_quirks(struct us_data *us) +{ + char *p; + u16 vid = le16_to_cpu(us->pusb_dev->descriptor.idVendor); + u16 pid = le16_to_cpu(us->pusb_dev->descriptor.idProduct); + unsigned f = 0; + unsigned int mask = (US_FL_SANE_SENSE | US_FL_FIX_CAPACITY | + US_FL_CAPACITY_HEURISTICS | US_FL_IGNORE_DEVICE | + US_FL_NOT_LOCKABLE | US_FL_MAX_SECTORS_64 | + US_FL_CAPACITY_OK | US_FL_IGNORE_RESIDUE | + US_FL_SINGLE_LUN | US_FL_NO_WP_DETECT); + + p = quirks; + while (*p) { + /* Each entry consists of VID:PID:flags */ + if (vid == simple_strtoul(p, &p, 16) && + *p == ':' && + pid == simple_strtoul(p+1, &p, 16) && + *p == ':') + break; + + /* Move forward to the next entry */ + while (*p) { + if (*p++ == ',') + break; + } } - return 0; + if (!*p) /* No match */ + return; + + /* Collect the flags */ + while (*++p && *p != ',') { + switch (TOLOWER(*p)) { + case 'a': + f |= US_FL_SANE_SENSE; + break; + case 'c': + f |= US_FL_FIX_CAPACITY; + break; + case 'h': + f |= US_FL_CAPACITY_HEURISTICS; + break; + case 'i': + f |= US_FL_IGNORE_DEVICE; + break; + case 'l': + f |= US_FL_NOT_LOCKABLE; + break; + case 'm': + f |= US_FL_MAX_SECTORS_64; + break; + case 'o': + f |= US_FL_CAPACITY_OK; + break; + case 'r': + f |= US_FL_IGNORE_RESIDUE; + break; + case 's': + f |= US_FL_SINGLE_LUN; + break; + case 'w': + f |= US_FL_NO_WP_DETECT; + break; + /* Ignore unrecognized flag characters */ + } + } + us->fflags = (us->fflags & ~mask) | f; + dev_info(&us->pusb_intf->dev, "Quirks match for " + "vid %04x pid %04x: %x\n", + vid, pid, f); } /* Find an unusual_dev descriptor (always succeeds in the current code) */ @@ -497,6 +575,7 @@ static int get_device_info(struct us_data *us, const struct usb_device_id *id) idesc->bInterfaceProtocol : unusual_dev->useTransport; us->fflags = USB_US_ORIG_FLAGS(id->driver_info); + adjust_quirks(us); if (us->fflags & US_FL_IGNORE_DEVICE) { printk(KERN_INFO USB_STORAGE "device ignored\n"); @@ -562,7 +641,7 @@ static int get_transport(struct us_data *us) case US_PR_CBI: us->transport_name = "Control/Bulk/Interrupt"; - us->transport = usb_stor_CBI_transport; + us->transport = usb_stor_CB_transport; us->transport_reset = usb_stor_CB_reset; us->max_lun = 7; break; @@ -675,19 +754,19 @@ static int get_protocol(struct us_data *us) case US_SC_8020: us->protocol_name = "8020i"; - us->proto_handler = usb_stor_ATAPI_command; + us->proto_handler = usb_stor_pad12_command; us->max_lun = 0; break; case US_SC_QIC: us->protocol_name = "QIC-157"; - us->proto_handler = usb_stor_qic157_command; + us->proto_handler = usb_stor_pad12_command; us->max_lun = 0; break; case US_SC_8070: us->protocol_name = "8070i"; - us->proto_handler = usb_stor_ATAPI_command; + us->proto_handler = usb_stor_pad12_command; us->max_lun = 0; break; @@ -840,8 +919,6 @@ static void dissociate_dev(struct us_data *us) { US_DEBUGP("-- %s\n", __func__); - kfree(us->sensebuf); - /* Free the device-related DMA-mapped buffers */ if (us->cr) usb_buffer_free(us->pusb_dev, sizeof(*us->cr), us->cr, @@ -1064,6 +1141,7 @@ static struct usb_driver usb_storage_driver = { static int __init usb_stor_init(void) { int retval; + printk(KERN_INFO "Initializing USB Mass Storage driver...\n"); /* register the driver, return usb_register return code if error */ |