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authorGiridhar Malavali <giridhar.malavali@qlogic.com>2012-04-25 07:26:15 -0700
committerJames Bottomley <JBottomley@Parallels.com>2012-05-10 08:15:19 +0100
commit4aee57667e9b237d0bd0c5a167c8b6103a27756a (patch)
tree82e4ea64ed3b5ab19d34a3ff0dfbf0204f3948bc /drivers/scsi
parenta49393f2ae13e3a0c61dbdbea77c2ff7614df474 (diff)
[SCSI] qla2xxx: Proper completion to scsi-ml for scsi status task_set_full and busy.
In case of firmmware detected under-run condition and scsi status of task_set_full or busy_condition, return that to the mid layer for proper error handling instead of DID_ERROR (which causes error handler activation and a full retry). Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/qla2xxx/qla_dbg.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c15
2 files changed, 14 insertions, 3 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 897731b93df..62324a1d557 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -15,7 +15,7 @@
* | Mailbox commands | 0x113e | 0x112c-0x112e |
* | | | 0x113a |
* | Device Discovery | 0x2086 | 0x2020-0x2022 |
- * | Queue Command and IO tracing | 0x302f | 0x3006,0x3008 |
+ * | Queue Command and IO tracing | 0x3030 | 0x3006,0x3008 |
* | | | 0x302d-0x302e |
* | DPC Thread | 0x401c | |
* | Async Events | 0x505d | 0x502b-0x502f |
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index f79844ce712..ce42288049b 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1715,13 +1715,24 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
res = DID_ERROR << 16;
break;
}
- } else {
+ } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
+ lscsi_status != SAM_STAT_BUSY) {
+ /*
+ * scsi status of task set and busy are considered to be
+ * task not completed.
+ */
+
ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
"Dropped frame(s) detected (0x%x "
- "of 0x%x bytes).\n", resid, scsi_bufflen(cp));
+ "of 0x%x bytes).\n", resid,
+ scsi_bufflen(cp));
res = DID_ERROR << 16 | lscsi_status;
goto check_scsi_status;
+ } else {
+ ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
+ "scsi_status: 0x%x, lscsi_status: 0x%x\n",
+ scsi_status, lscsi_status);
}
res = DID_OK << 16 | lscsi_status;