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[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>
This commit is contained in:
Giridhar Malavali 2012-04-25 07:26:15 -07:00 committed by James Bottomley
parent a49393f2ae
commit 4aee57667e
2 changed files with 14 additions and 3 deletions
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2
drivers/scsi/qla2xxx/qla_dbg.c
View File

@ -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 |

15
drivers/scsi/qla2xxx/qla_isr.c
View File

@ -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;