diff options
| author | Anand Lodnoor <anand.lodnoor@broadcom.com> | 2020-01-14 16:51:13 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-01-15 23:21:02 -0500 |
| commit | a7faf81d7858b504279713d6cb98053f0ff00082 (patch) | |
| tree | d8409e890df79cd1e43c810eab8c30f5ef55f24d /drivers/scsi/megaraid/megaraid_sas_fusion.h | |
| parent | 499e7246d6daa7c2655958e81febfbd76af1bc75 (diff) | |
| download | blackbird-op-linux-a7faf81d7858b504279713d6cb98053f0ff00082.tar.gz blackbird-op-linux-a7faf81d7858b504279713d6cb98053f0ff00082.zip | |
scsi: megaraid_sas: Set no_write_same only for Virtual Disk
Disable WRITE_SAME (no_write_same) for Virtual Disks only. For System PDs
and EPDs (Enhanced PDs), WRITE_SAME need not be disabled by default.
Link: https://lore.kernel.org/r/1579000882-20246-3-git-send-email-anand.lodnoor@broadcom.com
Signed-off-by: Anand Lodnoor <anand.lodnoor@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_fusion.h')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h index c013c80fe4e6..8358b68d6259 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.h +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h @@ -864,9 +864,20 @@ struct MR_LD_RAID { u8 regTypeReqOnRead; __le16 seqNum; - struct { - u32 ldSyncRequired:1; - u32 reserved:31; +struct { +#ifndef MFI_BIG_ENDIAN + u32 ldSyncRequired:1; + u32 regTypeReqOnReadIsValid:1; + u32 isEPD:1; + u32 enableSLDOnAllRWIOs:1; + u32 reserved:28; +#else + u32 reserved:28; + u32 enableSLDOnAllRWIOs:1; + u32 isEPD:1; + u32 regTypeReqOnReadIsValid:1; + u32 ldSyncRequired:1; +#endif } flags; u8 LUN[8]; /* 0x24 8 byte LUN field used for SCSI IO's */ |
