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| author | Bart Van Assche <bvanassche@acm.org> | 2024-01-31 00:48:35 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2024-02-27 05:37:26 +0300 |
| commit | 96b171d6dba6a66c63312f35e3ac6465b2c2ca94 (patch) | |
| tree | d127fd8725eb6f08b356b43adb5dd6dde2715890 /drivers/scsi/sd.h | |
| parent | 449813515d3e5efec85206bb91588a6249a421a3 (diff) | |
| download | linux-96b171d6dba6a66c63312f35e3ac6465b2c2ca94.tar.xz | |
scsi: core: Query the Block Limits Extension VPD page
Parse the Reduced Stream Control Supported (RSCS) bit from the block limits
extension VPD page. The RSCS bit is defined in SBC-5 r05
(https://www.t10.org/cgi-bin/ac.pl?t=f&f=sbc5r05.pdf).
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Daejun Park <daejun7.park@samsung.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-10-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/sd.h')
| -rw-r--r-- | drivers/scsi/sd.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 409dda5350d1..e4539122f2a2 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -151,6 +151,7 @@ struct scsi_disk { unsigned urswrz : 1; unsigned security : 1; unsigned ignore_medium_access_errors : 1; + bool rscs : 1; /* reduced stream control support */ }; #define to_scsi_disk(obj) container_of(obj, struct scsi_disk, disk_dev) |