forked from luck/tmp_suning_uos_patched
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
/*
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* Interface to the libusual.
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*
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* Copyright (c) 2005 Pete Zaitcev <zaitcev@redhat.com>
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* Copyright (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
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* Copyright (c) 1999 Michael Gee (michael@linuxspecific.com)
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*/
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#ifndef __LINUX_USB_USUAL_H
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#define __LINUX_USB_USUAL_H
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/* We should do this for cleanliness... But other usb_foo.h do not do this. */
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/* #include <linux/usb.h> */
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/*
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* The flags field, which we store in usb_device_id.driver_info.
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* It is compatible with the old usb-storage flags in lower 24 bits.
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*/
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/*
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* Static flag definitions. We use this roundabout technique so that the
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* proc_info() routine can automatically display a message for each flag.
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*/
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#define US_DO_ALL_FLAGS \
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US_FLAG(SINGLE_LUN, 0x00000001) \
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/* allow access to only LUN 0 */ \
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US_FLAG(NEED_OVERRIDE, 0x00000002) \
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/* unusual_devs entry is necessary */ \
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US_FLAG(SCM_MULT_TARG, 0x00000004) \
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/* supports multiple targets */ \
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US_FLAG(FIX_INQUIRY, 0x00000008) \
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/* INQUIRY response needs faking */ \
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US_FLAG(FIX_CAPACITY, 0x00000010) \
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/* READ CAPACITY response too big */ \
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US_FLAG(IGNORE_RESIDUE, 0x00000020) \
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/* reported residue is wrong */ \
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US_FLAG(BULK32, 0x00000040) \
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/* Uses 32-byte CBW length */ \
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US_FLAG(NOT_LOCKABLE, 0x00000080) \
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/* PREVENT/ALLOW not supported */ \
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US_FLAG(GO_SLOW, 0x00000100) \
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/* Need delay after Command phase */ \
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US_FLAG(NO_WP_DETECT, 0x00000200) \
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/* Don't check for write-protect */ \
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US_FLAG(MAX_SECTORS_64, 0x00000400) \
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/* Sets max_sectors to 64 */ \
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US_FLAG(IGNORE_DEVICE, 0x00000800) \
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/* Don't claim device */ \
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US_FLAG(CAPACITY_HEURISTICS, 0x00001000) \
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/* sometimes sizes is too big */ \
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US_FLAG(MAX_SECTORS_MIN,0x00002000) \
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/* Sets max_sectors to arch min */ \
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US_FLAG(BULK_IGNORE_TAG,0x00004000) \
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/* Ignore tag mismatch in bulk operations */ \
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US_FLAG(SANE_SENSE, 0x00008000) \
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/* Sane Sense (> 18 bytes) */ \
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US_FLAG(CAPACITY_OK, 0x00010000) \
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/* READ CAPACITY response is correct */ \
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US_FLAG(BAD_SENSE, 0x00020000) \
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/* Bad Sense (never more than 18 bytes) */ \
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US_FLAG(NO_READ_DISC_INFO, 0x00040000) \
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/* cannot handle READ_DISC_INFO */ \
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US_FLAG(NO_READ_CAPACITY_16, 0x00080000) \
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/* cannot handle READ_CAPACITY_16 */ \
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US_FLAG(INITIAL_READ10, 0x00100000) \
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/* Initial READ(10) (and others) must be retried */ \
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US_FLAG(WRITE_CACHE, 0x00200000) \
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/* Write Cache status is not available */ \
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US_FLAG(NEEDS_CAP16, 0x00400000) \
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/* cannot handle READ_CAPACITY_10 */ \
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US_FLAG(IGNORE_UAS, 0x00800000) \
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/* Device advertises UAS but it is broken */ \
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US_FLAG(BROKEN_FUA, 0x01000000) \
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/* Cannot handle FUA in WRITE or READ CDBs */ \
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US_FLAG(NO_ATA_1X, 0x02000000) \
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/* Cannot handle ATA_12 or ATA_16 CDBs */ \
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US_FLAG(NO_REPORT_OPCODES, 0x04000000) \
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/* Cannot handle MI_REPORT_SUPPORTED_OPERATION_CODES */ \
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US_FLAG(MAX_SECTORS_240, 0x08000000) \
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/* Sets max_sectors to 240 */ \
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US_FLAG(NO_REPORT_LUNS, 0x10000000) \
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/* Cannot handle REPORT_LUNS */ \
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US_FLAG(ALWAYS_SYNC, 0x20000000) \
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/* lies about caching, so always sync */ \
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#define US_FLAG(name, value) US_FL_##name = value ,
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enum { US_DO_ALL_FLAGS };
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#undef US_FLAG
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#include <linux/usb/storage.h>
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extern int usb_usual_ignore_device(struct usb_interface *intf);
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extern struct usb_device_id usb_storage_usb_ids[];
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#endif /* __LINUX_USB_USUAL_H */
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