[SCSI] qla2xxx: Detect GPSC capabilities within a fabric.
Disable subsequent GPSC queries if Fabric Management services do
not support the operation.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 220ec41..ec5b2dd 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -143,6 +143,7 @@
DEBUG2_3(qla2x00_dump_buffer(
(uint8_t *)&ct_rsp->header,
sizeof(struct ct_rsp_hdr)));
+ rval = QLA_INVALID_COMMAND;
} else
rval = QLA_SUCCESS;
break;
@@ -1784,6 +1785,8 @@
if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
return QLA_FUNCTION_FAILED;
+ if (!ha->flags.gpsc_supported)
+ return QLA_FUNCTION_FAILED;
rval = qla2x00_mgmt_svr_login(ha);
if (rval)
@@ -1813,8 +1816,19 @@
/*EMPTY*/
DEBUG2_3(printk("scsi(%ld): GPSC issue IOCB "
"failed (%d).\n", ha->host_no, rval));
- } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
- "GPSC") != QLA_SUCCESS) {
+ } else if ((rval = qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp,
+ "GPSC")) != QLA_SUCCESS) {
+ /* FM command unsupported? */
+ if (rval == QLA_INVALID_COMMAND &&
+ ct_rsp->header.reason_code ==
+ CT_REASON_INVALID_COMMAND_CODE) {
+ DEBUG2(printk("scsi(%ld): GPSC command "
+ "unsupported, disabling query...\n",
+ ha->host_no));
+ ha->flags.gpsc_supported = 0;
+ rval = QLA_FUNCTION_FAILED;
+ break;
+ }
rval = QLA_FUNCTION_FAILED;
} else {
/* Save portname */