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| author | Martin K. Petersen <martin.petersen@oracle.com> | 2008-07-17 12:28:35 +0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-07-26 23:14:56 +0400 |
| commit | af55ff675a8461da6a632320710b050af4366e0c (patch) | |
| tree | 2d85ec327340f11f79cedb7d962d232c31819a8c /drivers/scsi/Kconfig | |
| parent | e0597d70012c82e16ee152270a55d89d8bf66693 (diff) | |
| download | linux-af55ff675a8461da6a632320710b050af4366e0c.tar.xz | |
[SCSI] sd: Support for SCSI disk (SBC) Data Integrity Field
Support for controllers and disks that implement DIF protection
information:
- During command preparation the RDPROTECT/WRPROTECT must be set
correctly if the target has DIF enabled.
- READ(6) and WRITE(6) are not supported when DIF is on.
- The controller must be told how to handle the I/O via the
protection operation field in scsi_cmnd.
- Refactor the I/O completion code that extracts failed LBA from the
returned sense data and handle DIF failures correctly.
- sd_dif.c implements the functions required to prepare and complete
requests with protection information attached.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/Kconfig')
| -rw-r--r-- | drivers/scsi/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 26be540d1dd3..c7f06298bd3c 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -63,6 +63,7 @@ comment "SCSI support type (disk, tape, CD-ROM)" config BLK_DEV_SD tristate "SCSI disk support" depends on SCSI + select CRC_T10DIF ---help--- If you want to use SCSI hard disks, Fibre Channel disks, Serial ATA (SATA) or Parallel ATA (PATA) hard disks, |