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| author | Sumit Saxena <sumit.saxena@avagotech.com> | 2016-01-28 21:14:25 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-02-23 21:27:02 -0500 |
| commit | 8f67c8c518f324874e8caf93d1f4468d25754333 (patch) | |
| tree | 4dcc442e24778215d60f734e71c26478c120e03c /drivers/scsi/megaraid/megaraid_sas.h | |
| parent | de983561e6de5c62a6b4200f8304267d7a5cc872 (diff) | |
| download | op-kernel-dev-8f67c8c518f324874e8caf93d1f4468d25754333.zip op-kernel-dev-8f67c8c518f324874e8caf93d1f4468d25754333.tar.gz | |
megaraid_sas: Fix for IO failing post OCR in SRIOV environment
Driver assumes that VFs always have peers present whenever they have
same LD IDs. But this is not the case. This patch handles the above
mentioned by explicitly checking for a peer before making HA/non-HA path
decision.
Signed-off-by: Uday Lingala <uday.lingala@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 | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index b6fdb48..4484e63 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -393,6 +393,7 @@ enum MR_EVT_ARGS { #define SGE_BUFFER_SIZE 4096 +#define MEGASAS_CLUSTER_ID_SIZE 16 /* * define constants for device list query options */ @@ -1227,7 +1228,8 @@ struct megasas_ctrl_info { */ struct { #if defined(__BIG_ENDIAN_BITFIELD) - u32 reserved:26; + u32 reserved:25; + u32 passive:1; u32 premiumFeatureMismatch:1; u32 ctrlPropIncompatible:1; u32 fwVersionMismatch:1; @@ -1241,11 +1243,12 @@ struct megasas_ctrl_info { u32 fwVersionMismatch:1; u32 ctrlPropIncompatible:1; u32 premiumFeatureMismatch:1; - u32 reserved:26; + u32 passive:1; + u32 reserved:25; #endif } cluster; - char clusterId[16]; /*7D4h */ + char clusterId[MEGASAS_CLUSTER_ID_SIZE]; /*0x7D4 */ struct { u8 maxVFsSupported; /*0x7E4*/ u8 numVFsEnabled; /*0x7E5*/ @@ -2126,7 +2129,9 @@ struct megasas_instance { char skip_heartbeat_timer_del; u8 requestorId; char PlasmaFW111; - char mpio; + char clusterId[MEGASAS_CLUSTER_ID_SIZE]; + u8 peerIsPresent; + u8 passive; u16 throttlequeuedepth; u8 mask_interrupts; u16 max_chain_frame_sz; |
