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>
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 773fc54..01135be 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1528,7 +1528,9 @@
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 @@
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;