scsi: qla2xxx: Use ql2xnvmeenable to enable Q-Pair for FC-NVMe

hreinecke · hreinecke · commit 9ec5809a87ee · 2018-02-14T15:54:15.000+01:00
(bsc#1043726,FATE#324770).

suse-commit: 1ef8bbe4eb438330c504991965339ad6b4fb3331
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
@@ -8037,7 +8037,7 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
 		return NULL;
 	}
 
-	if (ql2xmqsupport) {
+	if (ql2xmqsupport || ql2xnvmeenable) {
 		qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
 		if (qpair == NULL) {
 			ql_log(ql_log_warn, vha, 0x0182,
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
@@ -3409,7 +3409,7 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
 		    ha->msix_count, ret);
 		ha->msix_count = ret;
 		/* Recalculate queue values */
-		if (ha->mqiobase && ql2xmqsupport) {
+		if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
 			ha->max_req_queues = ha->msix_count - 1;
 
 			/* ATIOQ needs 1 vector. That's 1 less QPair */
diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
@@ -606,7 +606,7 @@ qla25xx_delete_queues(struct scsi_qla_host *vha)
 	struct qla_hw_data *ha = vha->hw;
 	struct qla_qpair *qpair, *tqpair;
 
-	if (ql2xmqsupport) {
+	if (ql2xmqsupport || ql2xnvmeenable) {
 		list_for_each_entry_safe(qpair, tqpair, &vha->qp_list,
 		    qp_list_elem)
 			qla2xxx_delete_qpair(vha, qpair);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
@@ -432,7 +432,7 @@ static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
 
 	qla_init_base_qpair(vha, req, rsp);
 
-	if (ql2xmqsupport && ha->max_qpairs) {
+	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
 			GFP_KERNEL);
 		if (!ha->queue_pair_map) {
@@ -1975,7 +1975,8 @@ qla2x00_iospace_config(struct qla_hw_data *ha)
 	/* Determine queue resources */
 	ha->max_req_queues = ha->max_rsp_queues = 1;
 	ha->msix_count = QLA_BASE_VECTORS;
-	if (!ql2xmqsupport || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
+	if (!ql2xmqsupport || !ql2xnvmeenable ||
+	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
 		goto mqiobase_exit;
 
 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
@@ -2072,7 +2073,7 @@ qla83xx_iospace_config(struct qla_hw_data *ha)
 		 * By default, driver uses at least two msix vectors
 		 * (default & rspq)
 		 */
-		if (ql2xmqsupport) {
+		if (ql2xmqsupport || ql2xnvmeenable) {
 			/* MB interrupt uses 1 vector */
 			ha->max_req_queues = ha->msix_count - 1;
 
@@ -3088,9 +3089,17 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 
 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
-	} else
-		ql_dbg(ql_dbg_init, base_vha, 0x0193,
-			"blk/scsi-mq disabled.\n");
+	} else {
+		if (ql2xnvmeenable) {
+			host->nr_hw_queues = ha->max_qpairs;
+			ql_dbg(ql_dbg_init, base_vha, 0x0194,
+			    "FC-NVMe support is enabled, HW queues=%d\n",
+			    host->nr_hw_queues);
+		} else {
+			ql_dbg(ql_dbg_init, base_vha, 0x0193,
+			    "blk/scsi-mq disabled.\n");
+		}
+	}
 
 	qlt_probe_one_stage1(base_vha, ha);
 
@@ -6301,7 +6310,7 @@ qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
 	switch (state) {
 	case pci_channel_io_normal:
 		ha->flags.eeh_busy = 0;
-		if (ql2xmqsupport) {
+		if (ql2xmqsupport || ql2xnvmeenable) {
 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
 			qla2xxx_wake_dpc(vha);
 		}
@@ -6318,15 +6327,15 @@ qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
 		pci_disable_device(pdev);
 		/* Return back all IOs */
 		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
-		if (ql2xmqsupport) {
+		if (ql2xmqsupport || ql2xnvmeenable) {
 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
 			qla2xxx_wake_dpc(vha);
 		}
 		return PCI_ERS_RESULT_NEED_RESET;
 	case pci_channel_io_perm_failure:
 		ha->flags.pci_channel_io_perm_failure = 1;
 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
-		if (ql2xmqsupport) {
+		if (ql2xmqsupport || ql2xnvmeenable) {
 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
 			qla2xxx_wake_dpc(vha);
 		}

Original file line number	Diff line number	Diff line change
`@@ -8037,7 +8037,7 @@ struct qla_qpair qla2xxx_create_qpair(struct scsi_qla_host vha, int qos,`
`8037`	`8037`	`return NULL;`
`8038`	`8038`	`}`
`8039`	`8039`
`8040`		`- if (ql2xmqsupport) {`
	`8040`	`+ if (ql2xmqsupport \|\| ql2xnvmeenable) {`
`8041`	`8041`	`qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);`
`8042`	`8042`	`if (qpair == NULL) {`
`8043`	`8043`	`ql_log(ql_log_warn, vha, 0x0182,`