diff options
| author | Sumit Saxena <sumit.saxena@avagotech.com> | 2016-01-28 18:34:27 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-02-24 05:27:02 +0300 |
| commit | 8f05024cd3dbd3ec85923f3e8da05bf6db187d57 (patch) | |
| tree | 2402b288fee1a4790d6fc277713f7c81d6a382ed /drivers/scsi/megaraid/megaraid_sas.h | |
| parent | 2216c30523b0a1835b6d522ffe73ca167f199f00 (diff) | |
| download | linux-8f05024cd3dbd3ec85923f3e8da05bf6db187d57.tar.xz | |
megaraid_sas: Fastpath region lock bypass
Firmware will fill out per-LD data to tell driver whether a particular
LD supports region lock bypass. If yes, then driver will send non-FP
LDIO to region lock bypass FIFO. With this change in driver, firmware
will optimize certain code to improve performance.
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas.h')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 773fc545d580..01135be41751 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -1528,7 +1528,9 @@ union megasas_sgl_frame { typedef union _MFI_CAPABILITIES { struct { #if defined(__BIG_ENDIAN_BITFIELD) - u32 reserved:23; + u32 reserved:21; + u32 support_fp_rlbypass:1; + u32 support_vfid_in_ioframe:1; u32 support_ext_io_size:1; u32 support_ext_queue_depth:1; u32 security_protocol_cmds_fw:1; @@ -1548,7 +1550,9 @@ typedef union _MFI_CAPABILITIES { u32 security_protocol_cmds_fw:1; u32 support_ext_queue_depth:1; u32 support_ext_io_size:1; - u32 reserved:23; + u32 support_vfid_in_ioframe:1; + u32 support_fp_rlbypass:1; + u32 reserved:21; #endif } mfi_capabilities; __le32 reg; |