[SCSI] lpfc 8.3.33: Tie parallel I/O queues into separate MSIX vectors

Add fcp_io_channel module attribute to control amount of parallel I/O queues
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/lpfc/lpfc.h

@@ -695,6 +695,7 @@ struct lpfc_hba {
 	uint32_t cfg_fcp_imax;
 	uint32_t cfg_fcp_wq_count;
 	uint32_t cfg_fcp_eq_count;
+	uint32_t cfg_fcp_io_channel;
 	uint32_t cfg_sg_seg_cnt;
 	uint32_t cfg_prot_sg_seg_cnt;
 	uint32_t cfg_sg_dma_buf_size;

drivers/scsi/lpfc/lpfc_attr.c

@@ -3654,7 +3654,7 @@ lpfc_fcp_imax_store(struct device *dev, struct device_attribute *attr,
 		return -EINVAL;
 
 	phba->cfg_fcp_imax = (uint32_t)val;
-	for (i = 0; i < phba->cfg_fcp_eq_count; i += LPFC_MAX_EQ_DELAY)
+	for (i = 0; i < phba->cfg_fcp_io_channel; i += LPFC_MAX_EQ_DELAY)
 		lpfc_modify_fcp_eq_delay(phba, i);
 
 	return strlen(buf);
@@ -3844,20 +3844,32 @@ LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
 
 /*
 # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues
+# This parameter is ignored and will eventually be depricated
 #
-# Value range is [1,31]. Default value is 4.
+# Value range is [1,7]. Default value is 4.
 */
-LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX,
+LPFC_ATTR_R(fcp_wq_count, LPFC_FCP_IO_CHAN_DEF, LPFC_FCP_IO_CHAN_MIN,
+	    LPFC_FCP_IO_CHAN_MAX,
 	    "Set the number of fast-path FCP work queues, if possible");
 
 /*
-# lpfc_fcp_eq_count: Set the number of fast-path FCP event queues
+# lpfc_fcp_eq_count: Set the number of FCP EQ/CQ/WQ IO channels
 #
-# Value range is [1,7]. Default value is 1.
+# Value range is [1,7]. Default value is 4.
 */
-LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX,
+LPFC_ATTR_R(fcp_eq_count, LPFC_FCP_IO_CHAN_DEF, LPFC_FCP_IO_CHAN_MIN,
+	    LPFC_FCP_IO_CHAN_MAX,
 	    "Set the number of fast-path FCP event queues, if possible");
 
+/*
+# lpfc_fcp_io_channel: Set the number of FCP EQ/CQ/WQ IO channels
+#
+# Value range is [1,7]. Default value is 4.
+*/
+LPFC_ATTR_R(fcp_io_channel, LPFC_FCP_IO_CHAN_DEF, LPFC_FCP_IO_CHAN_MIN,
+	    LPFC_FCP_IO_CHAN_MAX,
+	    "Set the number of FCP I/O channels");
+
 /*
 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
 #       0  = HBA resets disabled
@@ -4002,6 +4014,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
 	&dev_attr_lpfc_fcp_imax,
 	&dev_attr_lpfc_fcp_wq_count,
 	&dev_attr_lpfc_fcp_eq_count,
+	&dev_attr_lpfc_fcp_io_channel,
 	&dev_attr_lpfc_enable_bg,
 	&dev_attr_lpfc_soft_wwnn,
 	&dev_attr_lpfc_soft_wwpn,
@@ -4980,6 +4993,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
 	lpfc_fcp_imax_init(phba, lpfc_fcp_imax);
 	lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count);
 	lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count);
+	lpfc_fcp_io_channel_init(phba, lpfc_fcp_io_channel);
 	lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
 	lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
 	lpfc_enable_bg_init(phba, lpfc_enable_bg);

drivers/scsi/lpfc/lpfc_crtn.h

@@ -196,8 +196,7 @@ irqreturn_t lpfc_sli_intr_handler(int, void *);
 irqreturn_t lpfc_sli_sp_intr_handler(int, void *);
 irqreturn_t lpfc_sli_fp_intr_handler(int, void *);
 irqreturn_t lpfc_sli4_intr_handler(int, void *);
-irqreturn_t lpfc_sli4_sp_intr_handler(int, void *);
-irqreturn_t lpfc_sli4_fp_intr_handler(int, void *);
+irqreturn_t lpfc_sli4_hba_intr_handler(int, void *);
 
 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_sli4_swap_str(struct lpfc_hba *, LPFC_MBOXQ_t *);

drivers/scsi/lpfc/lpfc_debugfs.c

@@ -2013,38 +2013,23 @@ lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes,
 	if (*ppos)
 		return 0;
 
-	/* Get slow-path event queue information */
-	len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
-			"Slow-path EQ information:\n");
-	if (phba->sli4_hba.sp_eq) {
-		len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
-			"\tEQID[%02d], "
-			"QE-COUNT[%04d], QE-SIZE[%04d], "
-			"HOST-INDEX[%04d], PORT-INDEX[%04d]\n\n",
-			phba->sli4_hba.sp_eq->queue_id,
-			phba->sli4_hba.sp_eq->entry_count,
-			phba->sli4_hba.sp_eq->entry_size,
-			phba->sli4_hba.sp_eq->host_index,
-			phba->sli4_hba.sp_eq->hba_index);
-	}
-
 	/* Get fast-path event queue information */
 	len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
-			"Fast-path EQ information:\n");
-	if (phba->sli4_hba.fp_eq) {
-		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count;
+			"HBA EQ information:\n");
+	if (phba->sli4_hba.hba_eq) {
+		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
 		     fcp_qidx++) {
-			if (phba->sli4_hba.fp_eq[fcp_qidx]) {
+			if (phba->sli4_hba.hba_eq[fcp_qidx]) {
 				len += snprintf(pbuffer+len,
 					LPFC_QUE_INFO_GET_BUF_SIZE-len,
 				"\tEQID[%02d], "
 				"QE-COUNT[%04d], QE-SIZE[%04d], "
 				"HOST-INDEX[%04d], PORT-INDEX[%04d]\n",
-				phba->sli4_hba.fp_eq[fcp_qidx]->queue_id,
-				phba->sli4_hba.fp_eq[fcp_qidx]->entry_count,
-				phba->sli4_hba.fp_eq[fcp_qidx]->entry_size,
-				phba->sli4_hba.fp_eq[fcp_qidx]->host_index,
-				phba->sli4_hba.fp_eq[fcp_qidx]->hba_index);
+				phba->sli4_hba.hba_eq[fcp_qidx]->queue_id,
+				phba->sli4_hba.hba_eq[fcp_qidx]->entry_count,
+				phba->sli4_hba.hba_eq[fcp_qidx]->entry_size,
+				phba->sli4_hba.hba_eq[fcp_qidx]->host_index,
+				phba->sli4_hba.hba_eq[fcp_qidx]->hba_index);
 			}
 		}
 	}
@@ -2108,7 +2093,7 @@ lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes,
 				phba->sli4_hba.fcp_cq[fcp_qidx]->host_index,
 				phba->sli4_hba.fcp_cq[fcp_qidx]->hba_index);
 			}
-		} while (++fcp_qidx < phba->cfg_fcp_eq_count);
+		} while (++fcp_qidx < phba->cfg_fcp_io_channel);
 		len += snprintf(pbuffer+len,
 				LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n");
 	}
@@ -2153,7 +2138,7 @@ lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes,
 	len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
 			"Fast-path FCP WQ information:\n");
 	if (phba->sli4_hba.fcp_wq) {
-		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count;
+		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
 		     fcp_qidx++) {
 			if (!phba->sli4_hba.fcp_wq[fcp_qidx])
 				continue;
@@ -2410,31 +2395,21 @@ lpfc_idiag_queacc_write(struct file *file, const char __user *buf,
 
 	switch (quetp) {
 	case LPFC_IDIAG_EQ:
-		/* Slow-path event queue */
-		if (phba->sli4_hba.sp_eq &&
-		    phba->sli4_hba.sp_eq->queue_id == queid) {
-			/* Sanity check */
-			rc = lpfc_idiag_que_param_check(
-					phba->sli4_hba.sp_eq, index, count);
-			if (rc)
-				goto error_out;
-			idiag.ptr_private = phba->sli4_hba.sp_eq;
-			goto pass_check;
-		}
-		/* Fast-path event queue */
-		if (phba->sli4_hba.fp_eq) {
-			for (qidx = 0; qidx < phba->cfg_fcp_eq_count; qidx++) {
-				if (phba->sli4_hba.fp_eq[qidx] &&
-				    phba->sli4_hba.fp_eq[qidx]->queue_id ==
+		/* HBA event queue */
+		if (phba->sli4_hba.hba_eq) {
+			for (qidx = 0; qidx < phba->cfg_fcp_io_channel;
+				qidx++) {
+				if (phba->sli4_hba.hba_eq[qidx] &&
+				    phba->sli4_hba.hba_eq[qidx]->queue_id ==
 				    queid) {
 					/* Sanity check */
 					rc = lpfc_idiag_que_param_check(
-						phba->sli4_hba.fp_eq[qidx],
+						phba->sli4_hba.hba_eq[qidx],
 						index, count);
 					if (rc)
 						goto error_out;
 					idiag.ptr_private =
-						phba->sli4_hba.fp_eq[qidx];
+						phba->sli4_hba.hba_eq[qidx];
 					goto pass_check;
 				}
 			}
@@ -2481,7 +2456,7 @@ lpfc_idiag_queacc_write(struct file *file, const char __user *buf,
 						phba->sli4_hba.fcp_cq[qidx];
 					goto pass_check;
 				}
-			} while (++qidx < phba->cfg_fcp_eq_count);
+			} while (++qidx < phba->cfg_fcp_io_channel);
 		}
 		goto error_out;
 		break;
@@ -2513,7 +2488,8 @@ lpfc_idiag_queacc_write(struct file *file, const char __user *buf,
 		}
 		/* FCP work queue */
 		if (phba->sli4_hba.fcp_wq) {
-			for (qidx = 0; qidx < phba->cfg_fcp_wq_count; qidx++) {
+			for (qidx = 0; qidx < phba->cfg_fcp_io_channel;
+				qidx++) {
 				if (!phba->sli4_hba.fcp_wq[qidx])
 					continue;
 				if (phba->sli4_hba.fcp_wq[qidx]->queue_id ==
@@ -4492,7 +4468,7 @@ lpfc_debug_dump_all_queues(struct lpfc_hba *phba)
 	lpfc_debug_dump_mbx_wq(phba);
 	lpfc_debug_dump_els_wq(phba);
 
-	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++)
+	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++)
 		lpfc_debug_dump_fcp_wq(phba, fcp_wqidx);
 
 	lpfc_debug_dump_hdr_rq(phba);
@@ -4503,14 +4479,12 @@ lpfc_debug_dump_all_queues(struct lpfc_hba *phba)
 	lpfc_debug_dump_mbx_cq(phba);
 	lpfc_debug_dump_els_cq(phba);
 
-	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++)
+	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++)
 		lpfc_debug_dump_fcp_cq(phba, fcp_wqidx);
 
 	/*
 	 * Dump Event Queues (EQs)
 	 */
-	lpfc_debug_dump_sp_eq(phba);
-
-	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++)
-		lpfc_debug_dump_fcp_eq(phba, fcp_wqidx);
+	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++)
+		lpfc_debug_dump_hba_eq(phba, fcp_wqidx);
 }

drivers/scsi/lpfc/lpfc_debugfs.h

@@ -369,7 +369,7 @@ static inline void
 lpfc_debug_dump_fcp_wq(struct lpfc_hba *phba, int fcp_wqidx)
 {
 	/* sanity check */
-	if (fcp_wqidx >= phba->cfg_fcp_wq_count)
+	if (fcp_wqidx >= phba->cfg_fcp_io_channel)
 		return;
 
 	printk(KERN_ERR "FCP WQ: WQ[Idx:%d|Qid:%d]\n",
@@ -391,15 +391,15 @@ lpfc_debug_dump_fcp_cq(struct lpfc_hba *phba, int fcp_wqidx)
 	int fcp_cqidx, fcp_cqid;
 
 	/* sanity check */
-	if (fcp_wqidx >= phba->cfg_fcp_wq_count)
+	if (fcp_wqidx >= phba->cfg_fcp_io_channel)
 		return;
 
 	fcp_cqid = phba->sli4_hba.fcp_wq[fcp_wqidx]->assoc_qid;
-	for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++)
+	for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++)
 		if (phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id == fcp_cqid)
 			break;
 	if (phba->intr_type == MSIX) {
-		if (fcp_cqidx >= phba->cfg_fcp_eq_count)
+		if (fcp_cqidx >= phba->cfg_fcp_io_channel)
 			return;
 	} else {
 		if (fcp_cqidx > 0)
@@ -413,7 +413,7 @@ lpfc_debug_dump_fcp_cq(struct lpfc_hba *phba, int fcp_wqidx)
 }
 
 /**
- * lpfc_debug_dump_fcp_eq - dump all entries from a fcp work queue's evt queue
+ * lpfc_debug_dump_hba_eq - dump all entries from a fcp work queue's evt queue
  * @phba: Pointer to HBA context object.
  * @fcp_wqidx: Index to a FCP work queue.
  *
@@ -421,36 +421,30 @@ lpfc_debug_dump_fcp_cq(struct lpfc_hba *phba, int fcp_wqidx)
  * associated to the FCP work queue specified by the @fcp_wqidx.
  **/
 static inline void
-lpfc_debug_dump_fcp_eq(struct lpfc_hba *phba, int fcp_wqidx)
+lpfc_debug_dump_hba_eq(struct lpfc_hba *phba, int fcp_wqidx)
 {
 	struct lpfc_queue *qdesc;
 	int fcp_eqidx, fcp_eqid;
 	int fcp_cqidx, fcp_cqid;
 
 	/* sanity check */
-	if (fcp_wqidx >= phba->cfg_fcp_wq_count)
+	if (fcp_wqidx >= phba->cfg_fcp_io_channel)
 		return;
 	fcp_cqid = phba->sli4_hba.fcp_wq[fcp_wqidx]->assoc_qid;
-	for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++)
+	for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++)
 		if (phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id == fcp_cqid)
 			break;
 	if (phba->intr_type == MSIX) {
-		if (fcp_cqidx >= phba->cfg_fcp_eq_count)
+		if (fcp_cqidx >= phba->cfg_fcp_io_channel)
 			return;
 	} else {
 		if (fcp_cqidx > 0)
 			return;
 	}
 
-	if (phba->cfg_fcp_eq_count == 0) {
-		fcp_eqidx = -1;
-		fcp_eqid = phba->sli4_hba.sp_eq->queue_id;
-		qdesc = phba->sli4_hba.sp_eq;
-	} else {
 	fcp_eqidx = fcp_cqidx;
-		fcp_eqid = phba->sli4_hba.fp_eq[fcp_eqidx]->queue_id;
-		qdesc = phba->sli4_hba.fp_eq[fcp_eqidx];
-	}
+	fcp_eqid = phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id;
+	qdesc = phba->sli4_hba.hba_eq[fcp_eqidx];
 
 	printk(KERN_ERR "FCP EQ: WQ[Idx:%d|Qid:%d]->CQ[Idx:%d|Qid:%d]->"
 		"EQ[Idx:%d|Qid:%d]\n",
@@ -545,25 +539,6 @@ lpfc_debug_dump_mbx_cq(struct lpfc_hba *phba)
 	lpfc_debug_dump_q(phba->sli4_hba.mbx_cq);
 }
 
-/**
- * lpfc_debug_dump_sp_eq - dump all entries from slow-path event queue
- * @phba: Pointer to HBA context object.
- *
- * This function dumps all entries from the slow-path event queue.
- **/
-static inline void
-lpfc_debug_dump_sp_eq(struct lpfc_hba *phba)
-{
-	printk(KERN_ERR "SP EQ: WQ[Qid:%d/Qid:%d]->CQ[Qid:%d/Qid:%d]->"
-		"EQ[Qid:%d]:\n",
-		phba->sli4_hba.mbx_wq->queue_id,
-		phba->sli4_hba.els_wq->queue_id,
-		phba->sli4_hba.mbx_cq->queue_id,
-		phba->sli4_hba.els_cq->queue_id,
-		phba->sli4_hba.sp_eq->queue_id);
-	lpfc_debug_dump_q(phba->sli4_hba.sp_eq);
-}
-
 /**
  * lpfc_debug_dump_wq_by_id - dump all entries from a work queue by queue id
  * @phba: Pointer to HBA context object.
@@ -577,10 +552,10 @@ lpfc_debug_dump_wq_by_id(struct lpfc_hba *phba, int qid)
 {
 	int wq_idx;
 
-	for (wq_idx = 0; wq_idx < phba->cfg_fcp_wq_count; wq_idx++)
+	for (wq_idx = 0; wq_idx < phba->cfg_fcp_io_channel; wq_idx++)
 		if (phba->sli4_hba.fcp_wq[wq_idx]->queue_id == qid)
 			break;
-	if (wq_idx < phba->cfg_fcp_wq_count) {
+	if (wq_idx < phba->cfg_fcp_io_channel) {
 		printk(KERN_ERR "FCP WQ[Idx:%d|Qid:%d]\n", wq_idx, qid);
 		lpfc_debug_dump_q(phba->sli4_hba.fcp_wq[wq_idx]);
 		return;
@@ -647,9 +622,9 @@ lpfc_debug_dump_cq_by_id(struct lpfc_hba *phba, int qid)
 	do {
 		if (phba->sli4_hba.fcp_cq[cq_idx]->queue_id == qid)
 			break;
-	} while (++cq_idx < phba->cfg_fcp_eq_count);
+	} while (++cq_idx < phba->cfg_fcp_io_channel);
 
-	if (cq_idx < phba->cfg_fcp_eq_count) {
+	if (cq_idx < phba->cfg_fcp_io_channel) {
 		printk(KERN_ERR "FCP CQ[Idx:%d|Qid:%d]\n", cq_idx, qid);
 		lpfc_debug_dump_q(phba->sli4_hba.fcp_cq[cq_idx]);
 		return;
@@ -680,21 +655,17 @@ lpfc_debug_dump_eq_by_id(struct lpfc_hba *phba, int qid)
 {
 	int eq_idx;
 
-	for (eq_idx = 0; eq_idx < phba->cfg_fcp_eq_count; eq_idx++) {
-		if (phba->sli4_hba.fp_eq[eq_idx]->queue_id == qid)
+	for (eq_idx = 0; eq_idx < phba->cfg_fcp_io_channel; eq_idx++) {
+		if (phba->sli4_hba.hba_eq[eq_idx]->queue_id == qid)
 			break;
 	}
 
-	if (eq_idx < phba->cfg_fcp_eq_count) {
+	if (eq_idx < phba->cfg_fcp_io_channel) {
 		printk(KERN_ERR "FCP EQ[Idx:%d|Qid:%d]\n", eq_idx, qid);
-		lpfc_debug_dump_q(phba->sli4_hba.fp_eq[eq_idx]);
+		lpfc_debug_dump_q(phba->sli4_hba.hba_eq[eq_idx]);
 		return;
 	}
 
-	if (phba->sli4_hba.sp_eq->queue_id == qid) {
-		printk(KERN_ERR "SP EQ[|Qid:%d]\n", qid);
-		lpfc_debug_dump_q(phba->sli4_hba.sp_eq);
-	}
 }
 
 void lpfc_debug_dump_all_queues(struct lpfc_hba *);

drivers/scsi/lpfc/lpfc_init.c

@@ -4702,6 +4702,10 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 	/* Get all the module params for configuring this host */
 	lpfc_get_cfgparam(phba);
 	phba->max_vpi = LPFC_MAX_VPI;
+
+	/* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
+	phba->cfg_fcp_io_channel = phba->cfg_fcp_eq_count;
+
 	/* This will be set to correct value after the read_config mbox */
 	phba->max_vports = 0;
 
@@ -4722,7 +4726,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 	 */
 	if (!phba->sli.ring)
 		phba->sli.ring = kzalloc(
-			(LPFC_SLI3_MAX_RING + phba->cfg_fcp_eq_count) *
+			(LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) *
 			sizeof(struct lpfc_sli_ring), GFP_KERNEL);
 	if (!phba->sli.ring)
 		return -ENOMEM;
@@ -4931,14 +4935,9 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 		goto out_remove_rpi_hdrs;
 	}
 
-	/*
-	 * The cfg_fcp_eq_count can be zero whenever there is exactly one
-	 * interrupt vector.  This is not an error
-	 */
-	if (phba->cfg_fcp_eq_count) {
 	phba->sli4_hba.fcp_eq_hdl =
 			kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
-				    phba->cfg_fcp_eq_count), GFP_KERNEL);
+			    phba->cfg_fcp_io_channel), GFP_KERNEL);
 	if (!phba->sli4_hba.fcp_eq_hdl) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"2572 Failed allocate memory for "
@@ -4946,7 +4945,6 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 		rc = -ENOMEM;
 		goto out_free_fcf_rr_bmask;
 	}
-	}
 
 	phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
 				      phba->sli4_hba.cfg_eqn), GFP_KERNEL);
@@ -6538,53 +6536,26 @@ lpfc_setup_endian_order(struct lpfc_hba *phba)
 static int
 lpfc_sli4_queue_verify(struct lpfc_hba *phba)
 {
-	int cfg_fcp_wq_count;
-	int cfg_fcp_eq_count;
+	int cfg_fcp_io_channel;
 
 	/*
-	 * Sanity check for confiugred queue parameters against the run-time
+	 * Sanity check for configured queue parameters against the run-time
 	 * device parameters
 	 */
 
-	/* Sanity check on FCP fast-path WQ parameters */
-	cfg_fcp_wq_count = phba->cfg_fcp_wq_count;
-	if (cfg_fcp_wq_count >
-	    (phba->sli4_hba.max_cfg_param.max_wq - LPFC_SP_WQN_DEF)) {
-		cfg_fcp_wq_count = phba->sli4_hba.max_cfg_param.max_wq -
-				   LPFC_SP_WQN_DEF;
-		if (cfg_fcp_wq_count < LPFC_FP_WQN_MIN) {
-			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-					"2581 Not enough WQs (%d) from "
-					"the pci function for supporting "
-					"FCP WQs (%d)\n",
-					phba->sli4_hba.max_cfg_param.max_wq,
-					phba->cfg_fcp_wq_count);
-			goto out_error;
-		}
-		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
-				"2582 Not enough WQs (%d) from the pci "
-				"function for supporting the requested "
-				"FCP WQs (%d), the actual FCP WQs can "
-				"be supported: %d\n",
-				phba->sli4_hba.max_cfg_param.max_wq,
-				phba->cfg_fcp_wq_count, cfg_fcp_wq_count);
-	}
-	/* The actual number of FCP work queues adopted */
-	phba->cfg_fcp_wq_count = cfg_fcp_wq_count;
-
-	/* Sanity check on FCP fast-path EQ parameters */
-	cfg_fcp_eq_count = phba->cfg_fcp_eq_count;
-	if (cfg_fcp_eq_count >
-	    (phba->sli4_hba.max_cfg_param.max_eq - LPFC_SP_EQN_DEF)) {
-		cfg_fcp_eq_count = phba->sli4_hba.max_cfg_param.max_eq -
-				   LPFC_SP_EQN_DEF;
-		if (cfg_fcp_eq_count < LPFC_FP_EQN_MIN) {
+	/* Sanity check on HBA EQ parameters */
+	cfg_fcp_io_channel = phba->cfg_fcp_io_channel;
+
+	if (cfg_fcp_io_channel >
+	    phba->sli4_hba.max_cfg_param.max_eq) {
+		cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq;
+		if (cfg_fcp_io_channel < LPFC_FCP_IO_CHAN_MIN) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 					"2574 Not enough EQs (%d) from the "
 					"pci function for supporting FCP "
 					"EQs (%d)\n",
 					phba->sli4_hba.max_cfg_param.max_eq,
-					phba->cfg_fcp_eq_count);
+					phba->cfg_fcp_io_channel);
 			goto out_error;
 		}
 		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
@@ -6593,22 +6564,16 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba)
 				"FCP EQs (%d), the actual FCP EQs can "
 				"be supported: %d\n",
 				phba->sli4_hba.max_cfg_param.max_eq,
-				phba->cfg_fcp_eq_count, cfg_fcp_eq_count);
-	}
-	/* It does not make sense to have more EQs than WQs */
-	if (cfg_fcp_eq_count > phba->cfg_fcp_wq_count) {
-		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
-				"2593 The FCP EQ count(%d) cannot be greater "
-				"than the FCP WQ count(%d), limiting the "
-				"FCP EQ count to %d\n", cfg_fcp_eq_count,
-				phba->cfg_fcp_wq_count,
-				phba->cfg_fcp_wq_count);
-		cfg_fcp_eq_count = phba->cfg_fcp_wq_count;
+				phba->cfg_fcp_io_channel, cfg_fcp_io_channel);
 	}
+
+	/* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
+
 	/* The actual number of FCP event queues adopted */
-	phba->cfg_fcp_eq_count = cfg_fcp_eq_count;
-	/* The overall number of event queues used */
-	phba->sli4_hba.cfg_eqn = phba->cfg_fcp_eq_count + LPFC_SP_EQN_DEF;
+	phba->cfg_fcp_eq_count = cfg_fcp_io_channel;
+	phba->cfg_fcp_wq_count = cfg_fcp_io_channel;
+	phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
+	phba->sli4_hba.cfg_eqn = cfg_fcp_io_channel;
 
 	/* Get EQ depth from module parameter, fake the default for now */
 	phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
@@ -6641,50 +6606,104 @@ int
 lpfc_sli4_queue_create(struct lpfc_hba *phba)
 {
 	struct lpfc_queue *qdesc;
-	int fcp_eqidx, fcp_cqidx, fcp_wqidx;
+	int idx;
 
 	/*
-	 * Create Event Queues (EQs)
+	 * Create HBA Record arrays.
 	 */
+	if (!phba->cfg_fcp_io_channel)
+		return -ERANGE;
 
-	/* Create slow path event queue */
-	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
-				      phba->sli4_hba.eq_ecount);
-	if (!qdesc) {
+	phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
+	phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
+	phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
+	phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
+	phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
+	phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
+
+	phba->sli4_hba.hba_eq =  kzalloc((sizeof(struct lpfc_queue *) *
+				phba->cfg_fcp_io_channel), GFP_KERNEL);
+	if (!phba->sli4_hba.hba_eq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"2576 Failed allocate memory for "
+			"fast-path EQ record array\n");
+		goto out_error;
+	}
+
+	phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
+				phba->cfg_fcp_io_channel), GFP_KERNEL);
+	if (!phba->sli4_hba.fcp_cq) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"0496 Failed allocate slow-path EQ\n");
+				"2577 Failed allocate memory for fast-path "
+				"CQ record array\n");
+		goto out_error;
+	}
+
+	phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
+				phba->cfg_fcp_io_channel), GFP_KERNEL);
+	if (!phba->sli4_hba.fcp_wq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2578 Failed allocate memory for fast-path "
+				"WQ record array\n");
 		goto out_error;
 	}
-	phba->sli4_hba.sp_eq = qdesc;
 
 	/*
-	 * Create fast-path FCP Event Queue(s).  The cfg_fcp_eq_count can be
-	 * zero whenever there is exactly one interrupt vector.  This is not
-	 * an error.
+	 * Since the first EQ can have multiple CQs associated with it,
+	 * this array is used to quickly see if we have a FCP fast-path
+	 * CQ match.
 	 */
-	if (phba->cfg_fcp_eq_count) {
-		phba->sli4_hba.fp_eq = kzalloc((sizeof(struct lpfc_queue *) *
-				       phba->cfg_fcp_eq_count), GFP_KERNEL);
-		if (!phba->sli4_hba.fp_eq) {
+	phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) *
+					 phba->cfg_fcp_io_channel), GFP_KERNEL);
+	if (!phba->sli4_hba.fcp_cq_map) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-					"2576 Failed allocate memory for "
-					"fast-path EQ record array\n");
-			goto out_free_sp_eq;
-		}
+				"2545 Failed allocate memory for fast-path "
+				"CQ map\n");
+		goto out_error;
 	}
-	for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) {
+
+	/*
+	 * Create HBA Event Queues (EQs).  The cfg_fcp_io_channel specifies
+	 * how many EQs to create.
+	 */
+	for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
+
+		/* Create EQs */
 		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
 					      phba->sli4_hba.eq_ecount);
 		if (!qdesc) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-					"0497 Failed allocate fast-path EQ\n");
-			goto out_free_fp_eq;
+					"0497 Failed allocate EQ (%d)\n", idx);
+			goto out_error;
 		}
-		phba->sli4_hba.fp_eq[fcp_eqidx] = qdesc;
+		phba->sli4_hba.hba_eq[idx] = qdesc;
+
+		/* Create Fast Path FCP CQs */
+		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
+					      phba->sli4_hba.cq_ecount);
+		if (!qdesc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0499 Failed allocate fast-path FCP "
+					"CQ (%d)\n", idx);
+			goto out_error;
 		}
+		phba->sli4_hba.fcp_cq[idx] = qdesc;
+
+		/* Create Fast Path FCP WQs */
+		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
+					      phba->sli4_hba.wq_ecount);
+		if (!qdesc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0503 Failed allocate fast-path FCP "
+					"WQ (%d)\n", idx);
+			goto out_error;
+		}
+		phba->sli4_hba.fcp_wq[idx] = qdesc;
+	}
+
 
 	/*
-	 * Create Complete Queues (CQs)
+	 * Create Slow Path Completion Queues (CQs)
 	 */
 
 	/* Create slow-path Mailbox Command Complete Queue */
@@ -6693,7 +6712,7 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 	if (!qdesc) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0500 Failed allocate slow-path mailbox CQ\n");
-		goto out_free_fp_eq;
+		goto out_error;
 	}
 	phba->sli4_hba.mbx_cq = qdesc;
 
@@ -6703,59 +6722,29 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 	if (!qdesc) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0501 Failed allocate slow-path ELS CQ\n");
-		goto out_free_mbx_cq;
+		goto out_error;
 	}
 	phba->sli4_hba.els_cq = qdesc;
 
 
 	/*
-	 * Create fast-path FCP Completion Queue(s), one-to-one with FCP EQs.
-	 * If there are no FCP EQs then create exactly one FCP CQ.
+	 * Create Slow Path Work Queues (WQs)
 	 */
-	if (phba->cfg_fcp_eq_count)
-		phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
-						 phba->cfg_fcp_eq_count),
-						GFP_KERNEL);
-	else
-		phba->sli4_hba.fcp_cq = kzalloc(sizeof(struct lpfc_queue *),
-						GFP_KERNEL);
-	if (!phba->sli4_hba.fcp_cq) {
-		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"2577 Failed allocate memory for fast-path "
-				"CQ record array\n");
-		goto out_free_els_cq;
-	}
-	fcp_cqidx = 0;
-	do {
-		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
-					      phba->sli4_hba.cq_ecount);
-		if (!qdesc) {
-			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-					"0499 Failed allocate fast-path FCP "
-					"CQ (%d)\n", fcp_cqidx);
-			goto out_free_fcp_cq;
-		}
-		phba->sli4_hba.fcp_cq[fcp_cqidx] = qdesc;
-	} while (++fcp_cqidx < phba->cfg_fcp_eq_count);
 
 	/* Create Mailbox Command Queue */
-	phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
-	phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
 
 	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
 				      phba->sli4_hba.mq_ecount);
 	if (!qdesc) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0505 Failed allocate slow-path MQ\n");
-		goto out_free_fcp_cq;
+		goto out_error;
 	}
 	phba->sli4_hba.mbx_wq = qdesc;
 
 	/*
-	 * Create all the Work Queues (WQs)
+	 * Create ELS Work Queues
 	 */
-	phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
-	phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
 
 	/* Create slow-path ELS Work Queue */
 	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
@@ -6763,36 +6752,13 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 	if (!qdesc) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0504 Failed allocate slow-path ELS WQ\n");
-		goto out_free_mbx_wq;
+		goto out_error;
 	}
 	phba->sli4_hba.els_wq = qdesc;
 
-	/* Create fast-path FCP Work Queue(s) */
-	phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
-				phba->cfg_fcp_wq_count), GFP_KERNEL);
-	if (!phba->sli4_hba.fcp_wq) {
-		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"2578 Failed allocate memory for fast-path "
-				"WQ record array\n");
-		goto out_free_els_wq;
-	}
-	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) {
-		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
-					      phba->sli4_hba.wq_ecount);
-		if (!qdesc) {
-			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-					"0503 Failed allocate fast-path FCP "
-					"WQ (%d)\n", fcp_wqidx);
-			goto out_free_fcp_wq;
-		}
-		phba->sli4_hba.fcp_wq[fcp_wqidx] = qdesc;
-	}
-
 	/*
 	 * Create Receive Queue (RQ)
 	 */
-	phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
-	phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
 
 	/* Create Receive Queue for header */
 	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
@@ -6800,7 +6766,7 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 	if (!qdesc) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0506 Failed allocate receive HRQ\n");
-		goto out_free_fcp_wq;
+		goto out_error;
 	}
 	phba->sli4_hba.hdr_rq = qdesc;
 
@@ -6810,52 +6776,14 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 	if (!qdesc) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0507 Failed allocate receive DRQ\n");
-		goto out_free_hdr_rq;
+		goto out_error;
 	}
 	phba->sli4_hba.dat_rq = qdesc;
 
 	return 0;
 
-out_free_hdr_rq:
-	lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
-	phba->sli4_hba.hdr_rq = NULL;
-out_free_fcp_wq:
-	for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) {
-		lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_wqidx]);
-		phba->sli4_hba.fcp_wq[fcp_wqidx] = NULL;
-	}
-	kfree(phba->sli4_hba.fcp_wq);
-	phba->sli4_hba.fcp_wq = NULL;
-out_free_els_wq:
-	lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
-	phba->sli4_hba.els_wq = NULL;
-out_free_mbx_wq:
-	lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
-	phba->sli4_hba.mbx_wq = NULL;
-out_free_fcp_cq:
-	for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) {
-		lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_cqidx]);
-		phba->sli4_hba.fcp_cq[fcp_cqidx] = NULL;
-	}
-	kfree(phba->sli4_hba.fcp_cq);
-	phba->sli4_hba.fcp_cq = NULL;
-out_free_els_cq:
-	lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
-	phba->sli4_hba.els_cq = NULL;
-out_free_mbx_cq:
-	lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
-	phba->sli4_hba.mbx_cq = NULL;
-out_free_fp_eq:
-	for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) {
-		lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_eqidx]);
-		phba->sli4_hba.fp_eq[fcp_eqidx] = NULL;
-	}
-	kfree(phba->sli4_hba.fp_eq);
-	phba->sli4_hba.fp_eq = NULL;
-out_free_sp_eq:
-	lpfc_sli4_queue_free(phba->sli4_hba.sp_eq);
-	phba->sli4_hba.sp_eq = NULL;
 out_error:
+	lpfc_sli4_queue_destroy(phba);
 	return -ENOMEM;
 }
 
@@ -6874,58 +6802,86 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 void
 lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
 {
-	int fcp_qidx;
+	int idx;
+
+	if (phba->sli4_hba.hba_eq != NULL) {
+		/* Release HBA event queue */
+		for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
+			if (phba->sli4_hba.hba_eq[idx] != NULL) {
+				lpfc_sli4_queue_free(
+					phba->sli4_hba.hba_eq[idx]);
+				phba->sli4_hba.hba_eq[idx] = NULL;
+			}
+		}
+		kfree(phba->sli4_hba.hba_eq);
+		phba->sli4_hba.hba_eq = NULL;
+	}
+
+	if (phba->sli4_hba.fcp_cq != NULL) {
+		/* Release FCP completion queue */
+		for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
+			if (phba->sli4_hba.fcp_cq[idx] != NULL) {
+				lpfc_sli4_queue_free(
+					phba->sli4_hba.fcp_cq[idx]);
+				phba->sli4_hba.fcp_cq[idx] = NULL;
+			}
+		}
+		kfree(phba->sli4_hba.fcp_cq);
+		phba->sli4_hba.fcp_cq = NULL;
+	}
+
+	if (phba->sli4_hba.fcp_wq != NULL) {
+		/* Release FCP work queue */
+		for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
+			if (phba->sli4_hba.fcp_wq[idx] != NULL) {
+				lpfc_sli4_queue_free(
+					phba->sli4_hba.fcp_wq[idx]);
+				phba->sli4_hba.fcp_wq[idx] = NULL;
+			}
+		}
+		kfree(phba->sli4_hba.fcp_wq);
+		phba->sli4_hba.fcp_wq = NULL;
+	}
+
+	/* Release FCP CQ mapping array */
+	if (phba->sli4_hba.fcp_cq_map != NULL) {
+		kfree(phba->sli4_hba.fcp_cq_map);
+		phba->sli4_hba.fcp_cq_map = NULL;
+	}
 
 	/* Release mailbox command work queue */
+	if (phba->sli4_hba.mbx_wq != NULL) {
 		lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
 		phba->sli4_hba.mbx_wq = NULL;
+	}
 
 	/* Release ELS work queue */
+	if (phba->sli4_hba.els_wq != NULL) {
 		lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
 		phba->sli4_hba.els_wq = NULL;
-
-	/* Release FCP work queue */
-	if (phba->sli4_hba.fcp_wq != NULL)
-		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count;
-		     fcp_qidx++)
-			lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_qidx]);
-	kfree(phba->sli4_hba.fcp_wq);
-	phba->sli4_hba.fcp_wq = NULL;
+	}
 
 	/* Release unsolicited receive queue */
+	if (phba->sli4_hba.hdr_rq != NULL) {
 		lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
 		phba->sli4_hba.hdr_rq = NULL;
+	}
+	if (phba->sli4_hba.dat_rq != NULL) {
 		lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
 		phba->sli4_hba.dat_rq = NULL;
+	}
 
 	/* Release ELS complete queue */
+	if (phba->sli4_hba.els_cq != NULL) {
 		lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
 		phba->sli4_hba.els_cq = NULL;
+	}
 
 	/* Release mailbox command complete queue */
+	if (phba->sli4_hba.mbx_cq != NULL) {
 		lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
 		phba->sli4_hba.mbx_cq = NULL;
-
-	/* Release FCP response complete queue */
-	fcp_qidx = 0;
-	if (phba->sli4_hba.fcp_cq != NULL)
-		do
-			lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_qidx]);
-		while (++fcp_qidx < phba->cfg_fcp_eq_count);
-	kfree(phba->sli4_hba.fcp_cq);
-	phba->sli4_hba.fcp_cq = NULL;
-
-	/* Release fast-path event queue */
-	if (phba->sli4_hba.fp_eq != NULL)
-		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count;
-		     fcp_qidx++)
-			lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_qidx]);
-	kfree(phba->sli4_hba.fp_eq);
-	phba->sli4_hba.fp_eq = NULL;
-
-	/* Release slow-path event queue */
-	lpfc_sli4_queue_free(phba->sli4_hba.sp_eq);
-	phba->sli4_hba.sp_eq = NULL;
+	}
 
 	return;
 }
@@ -6952,56 +6908,117 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
 	int fcp_cq_index = 0;
 
 	/*
-	 * Set up Event Queues (EQs)
+	 * Set up HBA Event Queues (EQs)
 	 */
 
-	/* Set up slow-path event queue */
-	if (!phba->sli4_hba.sp_eq) {
+	/* Set up HBA event queue */
+	if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"0520 Slow-path EQ not allocated\n");
+				"3147 Fast-path EQs not allocated\n");
+		rc = -ENOMEM;
 		goto out_error;
 	}
-	rc = lpfc_eq_create(phba, phba->sli4_hba.sp_eq,
-			    LPFC_SP_DEF_IMAX);
+	for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
+		if (!phba->sli4_hba.hba_eq[fcp_eqidx]) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0522 Fast-path EQ (%d) not "
+					"allocated\n", fcp_eqidx);
+			rc = -ENOMEM;
+			goto out_destroy_hba_eq;
+		}
+		rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx],
+				    phba->cfg_fcp_imax);
 		if (rc) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"0521 Failed setup of slow-path EQ: "
-				"rc = 0x%x\n", rc);
-		goto out_error;
+					"0523 Failed setup of fast-path EQ "
+					"(%d), rc = 0x%x\n", fcp_eqidx, rc);
+			goto out_destroy_hba_eq;
 		}
 		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
-			"2583 Slow-path EQ setup: queue-id=%d\n",
-			phba->sli4_hba.sp_eq->queue_id);
+				"2584 HBA EQ setup: "
+				"queue[%d]-id=%d\n", fcp_eqidx,
+				phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id);
+	}
 
-	/* Set up fast-path event queue */
-	if (phba->cfg_fcp_eq_count && !phba->sli4_hba.fp_eq) {
+	/* Set up fast-path FCP Response Complete Queue */
+	if (!phba->sli4_hba.fcp_cq) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"3147 Fast-path EQs not allocated\n");
+				"3148 Fast-path FCP CQ array not "
+				"allocated\n");
 		rc = -ENOMEM;
-		goto out_destroy_sp_eq;
+		goto out_destroy_hba_eq;
 	}
-	for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) {
-		if (!phba->sli4_hba.fp_eq[fcp_eqidx]) {
+
+	for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) {
+		if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-					"0522 Fast-path EQ (%d) not "
-					"allocated\n", fcp_eqidx);
+					"0526 Fast-path FCP CQ (%d) not "
+					"allocated\n", fcp_cqidx);
 			rc = -ENOMEM;
-			goto out_destroy_fp_eq;
+			goto out_destroy_fcp_cq;
 		}
-		rc = lpfc_eq_create(phba, phba->sli4_hba.fp_eq[fcp_eqidx],
-				    phba->cfg_fcp_imax);
+		rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
+			phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP);
 		if (rc) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-					"0523 Failed setup of fast-path EQ "
-					"(%d), rc = 0x%x\n", fcp_eqidx, rc);
-			goto out_destroy_fp_eq;
+					"0527 Failed setup of fast-path FCP "
+					"CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
+			goto out_destroy_fcp_cq;
 		}
+
+		/* Setup fcp_cq_map for fast lookup */
+		phba->sli4_hba.fcp_cq_map[fcp_cqidx] =
+				phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id;
+
 		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
-				"2584 Fast-path EQ setup: "
-				"queue[%d]-id=%d\n", fcp_eqidx,
-				phba->sli4_hba.fp_eq[fcp_eqidx]->queue_id);
+				"2588 FCP CQ setup: cq[%d]-id=%d, "
+				"parent seq[%d]-id=%d\n",
+				fcp_cqidx,
+				phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
+				fcp_cqidx,
+				phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id);
+	}
+
+	/* Set up fast-path FCP Work Queue */
+	if (!phba->sli4_hba.fcp_wq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3149 Fast-path FCP WQ array not "
+				"allocated\n");
+		rc = -ENOMEM;
+		goto out_destroy_fcp_cq;
 	}
 
+	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) {
+		if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0534 Fast-path FCP WQ (%d) not "
+					"allocated\n", fcp_wqidx);
+			rc = -ENOMEM;
+			goto out_destroy_fcp_wq;
+		}
+		rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
+				    phba->sli4_hba.fcp_cq[fcp_wqidx],
+				    LPFC_FCP);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0535 Failed setup of fast-path FCP "
+					"WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
+			goto out_destroy_fcp_wq;
+		}
+
+		/* Bind this WQ to the next FCP ring */
+		pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
+		pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
+		phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring;
+
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"2591 FCP WQ setup: wq[%d]-id=%d, "
+				"parent cq[%d]-id=%d\n",
+				fcp_wqidx,
+				phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
+				fcp_cq_index,
+				phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id);
+	}
 	/*
 	 * Set up Complete Queues (CQs)
 	 */
@@ -7011,20 +7028,20 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0528 Mailbox CQ not allocated\n");
 		rc = -ENOMEM;
-		goto out_destroy_fp_eq;
+		goto out_destroy_fcp_wq;
 	}
-	rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq, phba->sli4_hba.sp_eq,
-			    LPFC_MCQ, LPFC_MBOX);
+	rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq,
+			phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX);
 	if (rc) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0529 Failed setup of slow-path mailbox CQ: "
 				"rc = 0x%x\n", rc);
-		goto out_destroy_fp_eq;
+		goto out_destroy_fcp_wq;
 	}
 	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 			"2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
 			phba->sli4_hba.mbx_cq->queue_id,
-			phba->sli4_hba.sp_eq->queue_id);
+			phba->sli4_hba.hba_eq[0]->queue_id);
 
 	/* Set up slow-path ELS Complete Queue */
 	if (!phba->sli4_hba.els_cq) {
@@ -7033,8 +7050,8 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
 		rc = -ENOMEM;
 		goto out_destroy_mbx_cq;
 	}
-	rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq, phba->sli4_hba.sp_eq,
-			    LPFC_WCQ, LPFC_ELS);
+	rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq,
+			phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS);
 	if (rc) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0531 Failed setup of slow-path ELS CQ: "
@@ -7044,52 +7061,7 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
 	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 			"2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
 			phba->sli4_hba.els_cq->queue_id,
-			phba->sli4_hba.sp_eq->queue_id);
-
-	/* Set up fast-path FCP Response Complete Queue */
-	if (!phba->sli4_hba.fcp_cq) {
-		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"3148 Fast-path FCP CQ array not "
-				"allocated\n");
-		rc = -ENOMEM;
-		goto out_destroy_els_cq;
-	}
-	fcp_cqidx = 0;
-	do {
-		if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
-			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-					"0526 Fast-path FCP CQ (%d) not "
-					"allocated\n", fcp_cqidx);
-			rc = -ENOMEM;
-			goto out_destroy_fcp_cq;
-		}
-		if (phba->cfg_fcp_eq_count)
-			rc = lpfc_cq_create(phba,
-					    phba->sli4_hba.fcp_cq[fcp_cqidx],
-					    phba->sli4_hba.fp_eq[fcp_cqidx],
-					    LPFC_WCQ, LPFC_FCP);
-		else
-			rc = lpfc_cq_create(phba,
-					    phba->sli4_hba.fcp_cq[fcp_cqidx],
-					    phba->sli4_hba.sp_eq,
-					    LPFC_WCQ, LPFC_FCP);
-		if (rc) {
-			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-					"0527 Failed setup of fast-path FCP "
-					"CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
-			goto out_destroy_fcp_cq;
-		}
-		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
-				"2588 FCP CQ setup: cq[%d]-id=%d, "
-				"parent %seq[%d]-id=%d\n",
-				fcp_cqidx,
-				phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
-				(phba->cfg_fcp_eq_count) ? "" : "sp_",
-				fcp_cqidx,
-				(phba->cfg_fcp_eq_count) ?
-				   phba->sli4_hba.fp_eq[fcp_cqidx]->queue_id :
-				   phba->sli4_hba.sp_eq->queue_id);
-	} while (++fcp_cqidx < phba->cfg_fcp_eq_count);
+			phba->sli4_hba.hba_eq[0]->queue_id);
 
 	/*
 	 * Set up all the Work Queues (WQs)
@@ -7100,7 +7072,7 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0538 Slow-path MQ not allocated\n");
 		rc = -ENOMEM;
-		goto out_destroy_fcp_cq;
+		goto out_destroy_els_cq;
 	}
 	rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
 			    phba->sli4_hba.mbx_cq, LPFC_MBOX);
@@ -7108,7 +7080,7 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0539 Failed setup of slow-path MQ: "
 				"rc = 0x%x\n", rc);
-		goto out_destroy_fcp_cq;
+		goto out_destroy_els_cq;
 	}
 	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 			"2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
@@ -7141,50 +7113,6 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
 			phba->sli4_hba.els_wq->queue_id,
 			phba->sli4_hba.els_cq->queue_id);
 
-	/* Set up fast-path FCP Work Queue */
-	if (!phba->sli4_hba.fcp_wq) {
-		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"3149 Fast-path FCP WQ array not "
-				"allocated\n");
-		rc = -ENOMEM;
-		goto out_destroy_els_wq;
-	}
-	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) {
-		if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
-			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-					"0534 Fast-path FCP WQ (%d) not "
-					"allocated\n", fcp_wqidx);
-			rc = -ENOMEM;
-			goto out_destroy_fcp_wq;
-		}
-		rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
-				    phba->sli4_hba.fcp_cq[fcp_cq_index],
-				    LPFC_FCP);
-		if (rc) {
-			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-					"0535 Failed setup of fast-path FCP "
-					"WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
-			goto out_destroy_fcp_wq;
-		}
-
-		/* Bind this WQ to the next FCP ring */
-		pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
-		pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
-		phba->sli4_hba.fcp_cq[fcp_cq_index]->pring = pring;
-
-		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
-				"2591 FCP WQ setup: wq[%d]-id=%d, "
-				"parent cq[%d]-id=%d\n",
-				fcp_wqidx,
-				phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
-				fcp_cq_index,
-				phba->sli4_hba.fcp_cq[fcp_cq_index]->queue_id);
-		/* Round robin FCP Work Queue's Completion Queue assignment */
-		if (phba->cfg_fcp_eq_count)
-			fcp_cq_index = ((fcp_cq_index + 1) %
-					phba->cfg_fcp_eq_count);
-	}
-
 	/*
 	 * Create Receive Queue (RQ)
 	 */
@@ -7192,7 +7120,7 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0540 Receive Queue not allocated\n");
 		rc = -ENOMEM;
-		goto out_destroy_fcp_wq;
+		goto out_destroy_els_wq;
 	}
 
 	lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
@@ -7215,25 +7143,23 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
 			phba->sli4_hba.els_cq->queue_id);
 	return 0;
 
-out_destroy_fcp_wq:
-	for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
-		lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
 out_destroy_els_wq:
 	lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
 out_destroy_mbx_wq:
 	lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
-out_destroy_fcp_cq:
-	for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
-		lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
 out_destroy_els_cq:
 	lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
 out_destroy_mbx_cq:
 	lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
-out_destroy_fp_eq:
+out_destroy_fcp_wq:
+	for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
+		lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
+out_destroy_fcp_cq:
+	for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
+		lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
+out_destroy_hba_eq:
 	for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
-		lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_eqidx]);
-out_destroy_sp_eq:
-	lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq);
+		lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]);
 out_error:
 	return rc;
 }
@@ -7262,27 +7188,27 @@ lpfc_sli4_queue_unset(struct lpfc_hba *phba)
 	/* Unset unsolicited receive queue */
 	lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
 	/* Unset FCP work queue */
-	for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++)
+	if (phba->sli4_hba.fcp_wq) {
+		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
+		     fcp_qidx++)
 			lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
+	}
 	/* Unset mailbox command complete queue */
 	lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
 	/* Unset ELS complete queue */
 	lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
 	/* Unset FCP response complete queue */
 	if (phba->sli4_hba.fcp_cq) {
-		fcp_qidx = 0;
-		do {
+		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
+		     fcp_qidx++)
 			lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
-		} while (++fcp_qidx < phba->cfg_fcp_eq_count);
 	}
 	/* Unset fast-path event queue */
-	if (phba->sli4_hba.fp_eq) {
-		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count;
+	if (phba->sli4_hba.hba_eq) {
+		for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
 		     fcp_qidx++)
-			lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_qidx]);
+			lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]);
 	}
-	/* Unset slow-path event queue */
-	lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq);
 }
 
 /**
@@ -8174,33 +8100,17 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba)
 				"message=%d\n", index,
 				phba->sli4_hba.msix_entries[index].vector,
 				phba->sli4_hba.msix_entries[index].entry);
+
 	/*
 	 * Assign MSI-X vectors to interrupt handlers
 	 */
-	if (vectors > 1)
-		rc = request_irq(phba->sli4_hba.msix_entries[0].vector,
-				 &lpfc_sli4_sp_intr_handler, IRQF_SHARED,
-				 LPFC_SP_DRIVER_HANDLER_NAME, phba);
-	else
-		/* All Interrupts need to be handled by one EQ */
-		rc = request_irq(phba->sli4_hba.msix_entries[0].vector,
-				 &lpfc_sli4_intr_handler, IRQF_SHARED,
-				 LPFC_DRIVER_NAME, phba);
-	if (rc) {
-		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
-				"0485 MSI-X slow-path request_irq failed "
-				"(%d)\n", rc);
-		goto msi_fail_out;
-	}
-
-	/* The rest of the vector(s) are associated to fast-path handler(s) */
-	for (index = 1; index < vectors; index++) {
-		phba->sli4_hba.fcp_eq_hdl[index - 1].idx = index - 1;
-		phba->sli4_hba.fcp_eq_hdl[index - 1].phba = phba;
+	for (index = 0; index < vectors; index++) {
+		phba->sli4_hba.fcp_eq_hdl[index].idx = index;
+		phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
 		rc = request_irq(phba->sli4_hba.msix_entries[index].vector,
-				 &lpfc_sli4_fp_intr_handler, IRQF_SHARED,
+				 &lpfc_sli4_hba_intr_handler, IRQF_SHARED,
 				 LPFC_FP_DRIVER_HANDLER_NAME,
-				 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
+				 &phba->sli4_hba.fcp_eq_hdl[index]);
 		if (rc) {
 			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
 					"0486 MSI-X fast-path (%d) "
@@ -8214,12 +8124,9 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba)
 
 cfg_fail_out:
 	/* free the irq already requested */
-	for (--index; index >= 1; index--)
-		free_irq(phba->sli4_hba.msix_entries[index - 1].vector,
-			 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
-
-	/* free the irq already requested */
-	free_irq(phba->sli4_hba.msix_entries[0].vector, phba);
+	for (--index; index >= 0; index--)
+		free_irq(phba->sli4_hba.msix_entries[index].vector,
+			 &phba->sli4_hba.fcp_eq_hdl[index]);
 
 msi_fail_out:
 	/* Unconfigure MSI-X capability structure */
@@ -8240,11 +8147,9 @@ lpfc_sli4_disable_msix(struct lpfc_hba *phba)
 	int index;
 
 	/* Free up MSI-X multi-message vectors */
-	free_irq(phba->sli4_hba.msix_entries[0].vector, phba);
-
-	for (index = 1; index < phba->sli4_hba.msix_vec_nr; index++)
+	for (index = 0; index < phba->sli4_hba.msix_vec_nr; index++)
 		free_irq(phba->sli4_hba.msix_entries[index].vector,
-			 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
+			 &phba->sli4_hba.fcp_eq_hdl[index]);
 
 	/* Disable MSI-X */
 	pci_disable_msix(phba->pcidev);
@@ -8290,7 +8195,7 @@ lpfc_sli4_enable_msi(struct lpfc_hba *phba)
 		return rc;
 	}
 
-	for (index = 0; index < phba->cfg_fcp_eq_count; index++) {
+	for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
 		phba->sli4_hba.fcp_eq_hdl[index].idx = index;
 		phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
 	}
@@ -8370,7 +8275,7 @@ lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
 			/* Indicate initialization to INTx mode */
 			phba->intr_type = INTx;
 			intr_mode = 0;
-			for (index = 0; index < phba->cfg_fcp_eq_count;
+			for (index = 0; index < phba->cfg_fcp_io_channel;
 			     index++) {
 				phba->sli4_hba.fcp_eq_hdl[index].idx = index;
 				phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
@@ -9490,7 +9395,7 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
 	int error;
 	uint32_t cfg_mode, intr_mode;
 	int mcnt;
-	int adjusted_fcp_eq_count;
+	int adjusted_fcp_io_channel;
 	const struct firmware *fw;
 	uint8_t file_name[16];
 
@@ -9593,13 +9498,13 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
 		}
 		/* Default to single EQ for non-MSI-X */
 		if (phba->intr_type != MSIX)
-			adjusted_fcp_eq_count = 0;
+			adjusted_fcp_io_channel = 0;
 		else if (phba->sli4_hba.msix_vec_nr <
-					phba->cfg_fcp_eq_count + 1)
-			adjusted_fcp_eq_count = phba->sli4_hba.msix_vec_nr - 1;
+					phba->cfg_fcp_io_channel)
+			adjusted_fcp_io_channel = phba->sli4_hba.msix_vec_nr;
 		else
-			adjusted_fcp_eq_count = phba->cfg_fcp_eq_count;
-		phba->cfg_fcp_eq_count = adjusted_fcp_eq_count;
+			adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
+		phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
 		/* Set up SLI-4 HBA */
 		if (lpfc_sli4_hba_setup(phba)) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
@@ -9735,6 +9640,7 @@ lpfc_pci_remove_one_s4(struct pci_dev *pdev)
 	 * buffers are released to their corresponding pools here.
 	 */
 	lpfc_scsi_free(phba);
+
 	lpfc_sli4_driver_resource_unset(phba);
 
 	/* Unmap adapter Control and Doorbell registers */

drivers/scsi/lpfc/lpfc_sli.c

@@ -4921,16 +4921,15 @@ lpfc_sli4_arm_cqeq_intr(struct lpfc_hba *phba)
 	lpfc_sli4_cq_release(phba->sli4_hba.els_cq, LPFC_QUEUE_REARM);
 	fcp_eqidx = 0;
 	if (phba->sli4_hba.fcp_cq) {
-		do
+		do {
 			lpfc_sli4_cq_release(phba->sli4_hba.fcp_cq[fcp_eqidx],
 					     LPFC_QUEUE_REARM);
-		while (++fcp_eqidx < phba->cfg_fcp_eq_count);
+		} while (++fcp_eqidx < phba->cfg_fcp_io_channel);
 	}
-	lpfc_sli4_eq_release(phba->sli4_hba.sp_eq, LPFC_QUEUE_REARM);
-	if (phba->sli4_hba.fp_eq) {
-		for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count;
+	if (phba->sli4_hba.hba_eq) {
+		for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel;
 		     fcp_eqidx++)
-			lpfc_sli4_eq_release(phba->sli4_hba.fp_eq[fcp_eqidx],
+			lpfc_sli4_eq_release(phba->sli4_hba.hba_eq[fcp_eqidx],
 					     LPFC_QUEUE_REARM);
 	}
 }
@@ -7818,7 +7817,7 @@ lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba *phba)
 	int i;
 
 	i = atomic_add_return(1, &phba->fcp_qidx);
-	i = (i % phba->cfg_fcp_wq_count);
+	i = (i % phba->cfg_fcp_io_channel);
 	return i;
 }
 
@@ -8727,7 +8726,7 @@ lpfc_sli_setup(struct lpfc_hba *phba)
 
 	psli->num_rings = MAX_SLI3_CONFIGURED_RINGS;
 	if (phba->sli_rev == LPFC_SLI_REV4)
-		psli->num_rings += phba->cfg_fcp_eq_count;
+		psli->num_rings += phba->cfg_fcp_io_channel;
 	psli->sli_flag = 0;
 	psli->fcp_ring = LPFC_FCP_RING;
 	psli->next_ring = LPFC_FCP_NEXT_RING;
@@ -11468,31 +11467,18 @@ lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
  *
  **/
 static void
-lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe)
+lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
+	struct lpfc_queue *speq)
 {
-	struct lpfc_queue *cq = NULL, *childq, *speq;
+	struct lpfc_queue *cq = NULL, *childq;
 	struct lpfc_cqe *cqe;
 	bool workposted = false;
 	int ecount = 0;
 	uint16_t cqid;
 
-	if (bf_get_le32(lpfc_eqe_major_code, eqe) != 0) {
-		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
-				"0359 Not a valid slow-path completion "
-				"event: majorcode=x%x, minorcode=x%x\n",
-				bf_get_le32(lpfc_eqe_major_code, eqe),
-				bf_get_le32(lpfc_eqe_minor_code, eqe));
-		return;
-	}
-
 	/* Get the reference to the corresponding CQ */
 	cqid = bf_get_le32(lpfc_eqe_resource_id, eqe);
 
-	/* Search for completion queue pointer matching this cqid */
-	speq = phba->sli4_hba.sp_eq;
-	/* sanity check on queue memory */
-	if (unlikely(!speq))
-		return;
 	list_for_each_entry(childq, &speq->child_list, list) {
 		if (childq->queue_id == cqid) {
 			cq = childq;
@@ -11711,7 +11697,7 @@ lpfc_sli4_fp_handle_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
 }
 
 /**
- * lpfc_sli4_fp_handle_eqe - Process a fast-path event queue entry
+ * lpfc_sli4_hba_handle_eqe - Process a fast-path event queue entry
  * @phba: Pointer to HBA context object.
  * @eqe: Pointer to fast-path event queue entry.
  *
@@ -11723,8 +11709,8 @@ lpfc_sli4_fp_handle_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
  * completion queue, and then return.
  **/
 static void
-lpfc_sli4_fp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
-			uint32_t fcp_cqidx)
+lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
+			uint32_t qidx)
 {
 	struct lpfc_queue *cq;
 	struct lpfc_cqe *cqe;
@@ -11734,30 +11720,38 @@ lpfc_sli4_fp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
 
 	if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
-				"0366 Not a valid fast-path completion "
+				"0366 Not a valid completion "
 				"event: majorcode=x%x, minorcode=x%x\n",
 				bf_get_le32(lpfc_eqe_major_code, eqe),
 				bf_get_le32(lpfc_eqe_minor_code, eqe));
 		return;
 	}
 
+	/* Get the reference to the corresponding CQ */
+	cqid = bf_get_le32(lpfc_eqe_resource_id, eqe);
+
+	/* Check if this is a Slow path event */
+	if (unlikely(cqid != phba->sli4_hba.fcp_cq_map[qidx])) {
+		lpfc_sli4_sp_handle_eqe(phba, eqe,
+			phba->sli4_hba.hba_eq[qidx]);
+		return;
+	}
+
 	if (unlikely(!phba->sli4_hba.fcp_cq)) {
 		lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
 				"3146 Fast-path completion queues "
 				"does not exist\n");
 		return;
 	}
-	cq = phba->sli4_hba.fcp_cq[fcp_cqidx];
+	cq = phba->sli4_hba.fcp_cq[qidx];
 	if (unlikely(!cq)) {
 		if (phba->sli.sli_flag & LPFC_SLI_ACTIVE)
 			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
 					"0367 Fast-path completion queue "
-					"(%d) does not exist\n", fcp_cqidx);
+					"(%d) does not exist\n", qidx);
 		return;
 	}
 
-	/* Get the reference to the corresponding CQ */
-	cqid = bf_get_le32(lpfc_eqe_resource_id, eqe);
 	if (unlikely(cqid != cq->queue_id)) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
 				"0368 Miss-matched fast-path completion "
@@ -11805,93 +11799,7 @@ lpfc_sli4_eq_flush(struct lpfc_hba *phba, struct lpfc_queue *eq)
 }
 
 /**
- * lpfc_sli4_sp_intr_handler - Slow-path interrupt handler to SLI-4 device
- * @irq: Interrupt number.
- * @dev_id: The device context pointer.
- *
- * This function is directly called from the PCI layer as an interrupt
- * service routine when device with SLI-4 interface spec is enabled with
- * MSI-X multi-message interrupt mode and there are slow-path events in
- * the HBA. However, when the device is enabled with either MSI or Pin-IRQ
- * interrupt mode, this function is called as part of the device-level
- * interrupt handler. When the PCI slot is in error recovery or the HBA is
- * undergoing initialization, the interrupt handler will not process the
- * interrupt. The link attention and ELS ring attention events are handled
- * by the worker thread. The interrupt handler signals the worker thread
- * and returns for these events. This function is called without any lock
- * held. It gets the hbalock to access and update SLI data structures.
- *
- * This function returns IRQ_HANDLED when interrupt is handled else it
- * returns IRQ_NONE.
- **/
-irqreturn_t
-lpfc_sli4_sp_intr_handler(int irq, void *dev_id)
-{
-	struct lpfc_hba *phba;
-	struct lpfc_queue *speq;
-	struct lpfc_eqe *eqe;
-	unsigned long iflag;
-	int ecount = 0;
-
-	/*
-	 * Get the driver's phba structure from the dev_id
-	 */
-	phba = (struct lpfc_hba *)dev_id;
-
-	if (unlikely(!phba))
-		return IRQ_NONE;
-
-	/* Get to the EQ struct associated with this vector */
-	speq = phba->sli4_hba.sp_eq;
-	if (unlikely(!speq))
-		return IRQ_NONE;
-
-	/* Check device state for handling interrupt */
-	if (unlikely(lpfc_intr_state_check(phba))) {
-		speq->EQ_badstate++;
-		/* Check again for link_state with lock held */
-		spin_lock_irqsave(&phba->hbalock, iflag);
-		if (phba->link_state < LPFC_LINK_DOWN)
-			/* Flush, clear interrupt, and rearm the EQ */
-			lpfc_sli4_eq_flush(phba, speq);
-		spin_unlock_irqrestore(&phba->hbalock, iflag);
-		return IRQ_NONE;
-	}
-
-	/*
-	 * Process all the event on FCP slow-path EQ
-	 */
-	while ((eqe = lpfc_sli4_eq_get(speq))) {
-		lpfc_sli4_sp_handle_eqe(phba, eqe);
-		if (!(++ecount % speq->entry_repost))
-			lpfc_sli4_eq_release(speq, LPFC_QUEUE_NOARM);
-		speq->EQ_processed++;
-	}
-
-	/* Track the max number of EQEs processed in 1 intr */
-	if (ecount > speq->EQ_max_eqe)
-		speq->EQ_max_eqe = ecount;
-
-	/* Always clear and re-arm the slow-path EQ */
-	lpfc_sli4_eq_release(speq, LPFC_QUEUE_REARM);
-
-	/* Catch the no cq entry condition */
-	if (unlikely(ecount == 0)) {
-		speq->EQ_no_entry++;
-		if (phba->intr_type == MSIX)
-			/* MSI-X treated interrupt served as no EQ share INT */
-			lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
-					"0357 MSI-X interrupt with no EQE\n");
-		else
-			/* Non MSI-X treated on interrupt as EQ share INT */
-			return IRQ_NONE;
-	}
-
-	return IRQ_HANDLED;
-} /* lpfc_sli4_sp_intr_handler */
-
-/**
- * lpfc_sli4_fp_intr_handler - Fast-path interrupt handler to SLI-4 device
+ * lpfc_sli4_hba_intr_handler - HBA interrupt handler to SLI-4 device
  * @irq: Interrupt number.
  * @dev_id: The device context pointer.
  *
@@ -11908,11 +11816,16 @@ lpfc_sli4_sp_intr_handler(int irq, void *dev_id)
  * the FCP EQ to FCP CQ are one-to-one map such that the FCP EQ index is
  * equal to that of FCP CQ index.
  *
+ * The link attention and ELS ring attention events are handled
+ * by the worker thread. The interrupt handler signals the worker thread
+ * and returns for these events. This function is called without any lock
+ * held. It gets the hbalock to access and update SLI data structures.
+ *
  * This function returns IRQ_HANDLED when interrupt is handled else it
  * returns IRQ_NONE.
  **/
 irqreturn_t
-lpfc_sli4_fp_intr_handler(int irq, void *dev_id)
+lpfc_sli4_hba_intr_handler(int irq, void *dev_id)
 {
 	struct lpfc_hba *phba;
 	struct lpfc_fcp_eq_hdl *fcp_eq_hdl;
@@ -11929,11 +11842,11 @@ lpfc_sli4_fp_intr_handler(int irq, void *dev_id)
 
 	if (unlikely(!phba))
 		return IRQ_NONE;
-	if (unlikely(!phba->sli4_hba.fp_eq))
+	if (unlikely(!phba->sli4_hba.hba_eq))
 		return IRQ_NONE;
 
 	/* Get to the EQ struct associated with this vector */
-	fpeq = phba->sli4_hba.fp_eq[fcp_eqidx];
+	fpeq = phba->sli4_hba.hba_eq[fcp_eqidx];
 	if (unlikely(!fpeq))
 		return IRQ_NONE;
 
@@ -11953,7 +11866,7 @@ lpfc_sli4_fp_intr_handler(int irq, void *dev_id)
 	 * Process all the event on FCP fast-path EQ
 	 */
 	while ((eqe = lpfc_sli4_eq_get(fpeq))) {
-		lpfc_sli4_fp_handle_eqe(phba, eqe, fcp_eqidx);
+		lpfc_sli4_hba_handle_eqe(phba, eqe, fcp_eqidx);
 		if (!(++ecount % fpeq->entry_repost))
 			lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_NOARM);
 		fpeq->EQ_processed++;
@@ -12001,8 +11914,8 @@ irqreturn_t
 lpfc_sli4_intr_handler(int irq, void *dev_id)
 {
 	struct lpfc_hba  *phba;
-	irqreturn_t sp_irq_rc, fp_irq_rc;
-	bool fp_handled = false;
+	irqreturn_t hba_irq_rc;
+	bool hba_handled = false;
 	uint32_t fcp_eqidx;
 
 	/* Get the driver's phba structure from the dev_id */
@@ -12011,22 +11924,17 @@ lpfc_sli4_intr_handler(int irq, void *dev_id)
 	if (unlikely(!phba))
 		return IRQ_NONE;
 
-	/*
-	 * Invokes slow-path host attention interrupt handling as appropriate.
-	 */
-	sp_irq_rc = lpfc_sli4_sp_intr_handler(irq, dev_id);
-
 	/*
 	 * Invoke fast-path host attention interrupt handling as appropriate.
 	 */
-	for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) {
-		fp_irq_rc = lpfc_sli4_fp_intr_handler(irq,
+	for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
+		hba_irq_rc = lpfc_sli4_hba_intr_handler(irq,
 					&phba->sli4_hba.fcp_eq_hdl[fcp_eqidx]);
-		if (fp_irq_rc == IRQ_HANDLED)
-			fp_handled |= true;
+		if (hba_irq_rc == IRQ_HANDLED)
+			hba_handled |= true;
 	}
 
-	return (fp_handled == true) ? IRQ_HANDLED : sp_irq_rc;
+	return (hba_handled == true) ? IRQ_HANDLED : IRQ_NONE;
 } /* lpfc_sli4_intr_handler */
 
 /**
@@ -12157,7 +12065,7 @@ lpfc_modify_fcp_eq_delay(struct lpfc_hba *phba, uint16_t startq)
 	union lpfc_sli4_cfg_shdr *shdr;
 	uint16_t dmult;
 
-	if (startq >= phba->cfg_fcp_eq_count)
+	if (startq >= phba->cfg_fcp_io_channel)
 		return 0;
 
 	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
@@ -12174,9 +12082,9 @@ lpfc_modify_fcp_eq_delay(struct lpfc_hba *phba, uint16_t startq)
 	dmult = LPFC_DMULT_CONST/phba->cfg_fcp_imax - 1;
 
 	cnt = 0;
-	for (fcp_eqidx = startq; fcp_eqidx < phba->cfg_fcp_eq_count;
+	for (fcp_eqidx = startq; fcp_eqidx < phba->cfg_fcp_io_channel;
 	    fcp_eqidx++) {
-		eq = phba->sli4_hba.fp_eq[fcp_eqidx];
+		eq = phba->sli4_hba.hba_eq[fcp_eqidx];
 		if (!eq)
 			continue;
 		eq_delay->u.request.eq[cnt].eq_id = eq->queue_id;

drivers/scsi/lpfc/lpfc_sli4.h

@@ -34,18 +34,10 @@
 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
 #define LPFC_NEMBED_MBOX_SGL_CNT		254
 
-/* Multi-queue arrangement for fast-path FCP work queues */
-#define LPFC_FN_EQN_MAX       8
-#define LPFC_SP_EQN_DEF       1
-#define LPFC_FP_EQN_DEF       4
-#define LPFC_FP_EQN_MIN       1
-#define LPFC_FP_EQN_MAX       (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF)
-
-#define LPFC_FN_WQN_MAX       32
-#define LPFC_SP_WQN_DEF       1
-#define LPFC_FP_WQN_DEF       4
-#define LPFC_FP_WQN_MIN       1
-#define LPFC_FP_WQN_MAX       (LPFC_FN_WQN_MAX - LPFC_SP_WQN_DEF)
+/* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
+#define LPFC_FCP_IO_CHAN_DEF       4
+#define LPFC_FCP_IO_CHAN_MIN       1
+#define LPFC_FCP_IO_CHAN_MAX       8
 
 /*
  * Provide the default FCF Record attributes used by the driver
@@ -497,17 +489,19 @@ struct lpfc_sli4_hba {
 	uint32_t cfg_eqn;
 	uint32_t msix_vec_nr;
 	struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
+
 	/* Pointers to the constructed SLI4 queues */
-	struct lpfc_queue **fp_eq; /* Fast-path event queue */
-	struct lpfc_queue *sp_eq;  /* Slow-path event queue */
+	struct lpfc_queue **hba_eq;/* Event queues for HBA */
+	struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
 	struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
+	uint16_t *fcp_cq_map;
+
+	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
+	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
 	struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
 	struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
 	struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
 	struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
-	struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
-	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
-	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
 
 	/* Setup information for various queue parameters */
 	int eq_esize;