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Commit 4346b149 authored Dec 13, 2006 by Andrew Vasquez Committed by James Bottomley Jan 03, 2007

[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>

parent 71ea9949

drivers/scsi/qla2xxx/qla_def.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;

drivers/scsi/qla2xxx/qla_gs.c

+16 −2

Original line number	Diff line number	Diff line
		@@ -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 */

drivers/scsi/qla2xxx/qla_isr.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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 */