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authorAndrew Vasquez <andrew.vasquez@qlogic.com>2006-12-13 19:20:28 -0800
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2007-01-03 16:57:54 -0600
commit4346b14942dbb65e5d4fa7ec0e6567c39861ae6c (patch)
tree28eec7d1a36de84bb7cd794fd833c1832b15fdd1 /drivers/scsi
parent71ea9949a307e92fd5f8b4107814014464f38f91 (diff)
[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>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_gs.c18
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c2
3 files changed, 20 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index c4fc40f8e8ca..2c10130d9e03 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -1602,6 +1602,7 @@ typedef struct fc_port {
#define CT_REJECT_RESPONSE 0x8001
#define CT_ACCEPT_RESPONSE 0x8002
+#define CT_REASON_INVALID_COMMAND_CODE 0x01
#define CT_REASON_CANNOT_PERFORM 0x09
#define CT_EXPL_ALREADY_REGISTERED 0x10
@@ -2079,6 +2080,7 @@ typedef struct scsi_qla_host {
uint32_t msi_enabled :1;
uint32_t msix_enabled :1;
uint32_t disable_serdes :1;
+ uint32_t gpsc_supported :1;
} flags;
atomic_t loop_state;
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 220ec41b27fc..ec5b2dd90d6a 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -143,6 +143,7 @@ qla2x00_chk_ms_status(scsi_qla_host_t *ha, ms_iocb_entry_t *ms_pkt,
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 @@ qla2x00_gpsc(scsi_qla_host_t *ha, sw_info_t *list)
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 @@ qla2x00_gpsc(scsi_qla_host_t *ha, sw_info_t *list)
/*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 */
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index d3b6df4d55c8..79115c1f2494 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -475,6 +475,8 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
}
set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
+
+ ha->flags.gpsc_supported = 1;
break;
case MBA_CHG_IN_CONNECTION: /* Change in connection mode */