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[SCSI] qla2xxx: Detect GPSC capabilities within a fabric.

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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>
This commit is contained in:
Andrew Vasquez 2006-12-13 19:20:28 -08:00 committed by James Bottomley
parent 71ea9949a3
commit 4346b14942
3 changed files with 20 additions and 2 deletions
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2
drivers/scsi/qla2xxx/qla_def.h
View File

@ -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;

18
drivers/scsi/qla2xxx/qla_gs.c
View File

@ -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 */

2
drivers/scsi/qla2xxx/qla_isr.c
View File

@ -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 */