mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 06:34:11 +08:00
050bc4e846
Some SATA to USB bridges fail to cooperate with some drives resulting in no cache being present being reported to the host. That causes the host to skip sending a command to synchronize caches. That causes data loss when the drive is powered down. Signed-off-by: Oliver Neukum <oneukum@suse.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
97 lines
3.4 KiB
C
97 lines
3.4 KiB
C
/*
|
|
* Interface to the libusual.
|
|
*
|
|
* Copyright (c) 2005 Pete Zaitcev <zaitcev@redhat.com>
|
|
* Copyright (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
|
|
* Copyright (c) 1999 Michael Gee (michael@linuxspecific.com)
|
|
*/
|
|
|
|
#ifndef __LINUX_USB_USUAL_H
|
|
#define __LINUX_USB_USUAL_H
|
|
|
|
|
|
/* We should do this for cleanliness... But other usb_foo.h do not do this. */
|
|
/* #include <linux/usb.h> */
|
|
|
|
/*
|
|
* The flags field, which we store in usb_device_id.driver_info.
|
|
* It is compatible with the old usb-storage flags in lower 24 bits.
|
|
*/
|
|
|
|
/*
|
|
* Static flag definitions. We use this roundabout technique so that the
|
|
* proc_info() routine can automatically display a message for each flag.
|
|
*/
|
|
#define US_DO_ALL_FLAGS \
|
|
US_FLAG(SINGLE_LUN, 0x00000001) \
|
|
/* allow access to only LUN 0 */ \
|
|
US_FLAG(NEED_OVERRIDE, 0x00000002) \
|
|
/* unusual_devs entry is necessary */ \
|
|
US_FLAG(SCM_MULT_TARG, 0x00000004) \
|
|
/* supports multiple targets */ \
|
|
US_FLAG(FIX_INQUIRY, 0x00000008) \
|
|
/* INQUIRY response needs faking */ \
|
|
US_FLAG(FIX_CAPACITY, 0x00000010) \
|
|
/* READ CAPACITY response too big */ \
|
|
US_FLAG(IGNORE_RESIDUE, 0x00000020) \
|
|
/* reported residue is wrong */ \
|
|
US_FLAG(BULK32, 0x00000040) \
|
|
/* Uses 32-byte CBW length */ \
|
|
US_FLAG(NOT_LOCKABLE, 0x00000080) \
|
|
/* PREVENT/ALLOW not supported */ \
|
|
US_FLAG(GO_SLOW, 0x00000100) \
|
|
/* Need delay after Command phase */ \
|
|
US_FLAG(NO_WP_DETECT, 0x00000200) \
|
|
/* Don't check for write-protect */ \
|
|
US_FLAG(MAX_SECTORS_64, 0x00000400) \
|
|
/* Sets max_sectors to 64 */ \
|
|
US_FLAG(IGNORE_DEVICE, 0x00000800) \
|
|
/* Don't claim device */ \
|
|
US_FLAG(CAPACITY_HEURISTICS, 0x00001000) \
|
|
/* sometimes sizes is too big */ \
|
|
US_FLAG(MAX_SECTORS_MIN,0x00002000) \
|
|
/* Sets max_sectors to arch min */ \
|
|
US_FLAG(BULK_IGNORE_TAG,0x00004000) \
|
|
/* Ignore tag mismatch in bulk operations */ \
|
|
US_FLAG(SANE_SENSE, 0x00008000) \
|
|
/* Sane Sense (> 18 bytes) */ \
|
|
US_FLAG(CAPACITY_OK, 0x00010000) \
|
|
/* READ CAPACITY response is correct */ \
|
|
US_FLAG(BAD_SENSE, 0x00020000) \
|
|
/* Bad Sense (never more than 18 bytes) */ \
|
|
US_FLAG(NO_READ_DISC_INFO, 0x00040000) \
|
|
/* cannot handle READ_DISC_INFO */ \
|
|
US_FLAG(NO_READ_CAPACITY_16, 0x00080000) \
|
|
/* cannot handle READ_CAPACITY_16 */ \
|
|
US_FLAG(INITIAL_READ10, 0x00100000) \
|
|
/* Initial READ(10) (and others) must be retried */ \
|
|
US_FLAG(WRITE_CACHE, 0x00200000) \
|
|
/* Write Cache status is not available */ \
|
|
US_FLAG(NEEDS_CAP16, 0x00400000) \
|
|
/* cannot handle READ_CAPACITY_10 */ \
|
|
US_FLAG(IGNORE_UAS, 0x00800000) \
|
|
/* Device advertises UAS but it is broken */ \
|
|
US_FLAG(BROKEN_FUA, 0x01000000) \
|
|
/* Cannot handle FUA in WRITE or READ CDBs */ \
|
|
US_FLAG(NO_ATA_1X, 0x02000000) \
|
|
/* Cannot handle ATA_12 or ATA_16 CDBs */ \
|
|
US_FLAG(NO_REPORT_OPCODES, 0x04000000) \
|
|
/* Cannot handle MI_REPORT_SUPPORTED_OPERATION_CODES */ \
|
|
US_FLAG(MAX_SECTORS_240, 0x08000000) \
|
|
/* Sets max_sectors to 240 */ \
|
|
US_FLAG(NO_REPORT_LUNS, 0x10000000) \
|
|
/* Cannot handle REPORT_LUNS */ \
|
|
US_FLAG(ALWAYS_SYNC, 0x20000000) \
|
|
/* lies about caching, so always sync */ \
|
|
|
|
#define US_FLAG(name, value) US_FL_##name = value ,
|
|
enum { US_DO_ALL_FLAGS };
|
|
#undef US_FLAG
|
|
|
|
#include <linux/usb/storage.h>
|
|
|
|
extern int usb_usual_ignore_device(struct usb_interface *intf);
|
|
extern struct usb_device_id usb_storage_usb_ids[];
|
|
|
|
#endif /* __LINUX_USB_USUAL_H */
|