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authorCan Guo <cang@codeaurora.org>2019-12-05 05:14:25 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2019-12-20 06:08:52 +0300
commit0ec96913344de9efdb388720247ea9f207bdc3aa (patch)
tree0d9c522f6f6969730e585b93c647d835b2427c83 /include/scsi
parent2df74b6985b51e77756e2e8faa16c45ca3ba53c5 (diff)
downloadlinux-0ec96913344de9efdb388720247ea9f207bdc3aa.tar.xz
scsi: core: Adjust DBD setting in MODE SENSE for caching mode page per LLD
UFS JEDEC standards require DBD field to be set to 1 in mode sense command. This patch allows LLD to define the setting of DBD, if required. Link: https://lore.kernel.org/r/0101016ed3d643f9-ffd45d6c-c593-4a13-a18f-a32da3d3bb97-000000@us-west-2.amazonses.com Reviewed-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Can Guo <cang@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_device.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 3ed836db5306..f8312a3e5b42 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -172,6 +172,7 @@ struct scsi_device {
* because we did a bus reset. */
unsigned use_10_for_rw:1; /* first try 10-byte read / write */
unsigned use_10_for_ms:1; /* first try 10-byte mode sense/select */
+ unsigned set_dbd_for_ms:1; /* Set "DBD" field in mode sense */
unsigned no_report_opcodes:1; /* no REPORT SUPPORTED OPERATION CODES */
unsigned no_write_same:1; /* no WRITE SAME command */
unsigned use_16_for_rw:1; /* Use read/write(16) over read/write(10) */