From: Michal Kalderon <michal.kalderon@marvell.com>
Date: Sun, 26 May 2019 15:22:24 +0300
Subject: qedr: Change the MSI-X vectors selection to be based on affined
 engine
Patch-mainline: v5.3-rc1
Git-commit: 443473d2f3a53100cfde67415feddde2b8781732
References: bsc#1136460 jsc#SLE-4691 bsc#1136461 jsc#SLE-4692

Use the msix vectors of the affined hwfn and not the
leading one.

Signed-off-by: Ariel Elior <ariel.elior@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/qedr/main.c         |    9 +++++++--
 drivers/infiniband/hw/qedr/qedr.h         |    2 ++
 drivers/net/ethernet/qlogic/qed/qed_ll2.c |    4 ++--
 3 files changed, 11 insertions(+), 4 deletions(-)

--- a/drivers/infiniband/hw/qedr/main.c
+++ b/drivers/infiniband/hw/qedr/main.c
@@ -559,11 +559,13 @@ static irqreturn_t qedr_irq_handler(int
 static void qedr_sync_free_irqs(struct qedr_dev *dev)
 {
 	u32 vector;
+	u16 idx;
 	int i;
 
 	for (i = 0; i < dev->int_info.used_cnt; i++) {
 		if (dev->int_info.msix_cnt) {
-			vector = dev->int_info.msix[i * dev->num_hwfns].vector;
+			idx = i * dev->num_hwfns + dev->affin_hwfn_idx;
+			vector = dev->int_info.msix[idx].vector;
 			synchronize_irq(vector);
 			free_irq(vector, &dev->cnq_array[i]);
 		}
@@ -575,6 +577,7 @@ static void qedr_sync_free_irqs(struct q
 static int qedr_req_msix_irqs(struct qedr_dev *dev)
 {
 	int i, rc = 0;
+	u16 idx;
 
 	if (dev->num_cnq > dev->int_info.msix_cnt) {
 		DP_ERR(dev,
@@ -584,7 +587,8 @@ static int qedr_req_msix_irqs(struct qed
 	}
 
 	for (i = 0; i < dev->num_cnq; i++) {
-		rc = request_irq(dev->int_info.msix[i * dev->num_hwfns].vector,
+		idx = i * dev->num_hwfns + dev->affin_hwfn_idx;
+		rc = request_irq(dev->int_info.msix[idx].vector,
 				 qedr_irq_handler, 0, dev->cnq_array[i].name,
 				 &dev->cnq_array[i]);
 		if (rc) {
@@ -921,6 +925,7 @@ static struct qedr_dev *qedr_add(struct
 	dev->user_dpm_enabled = dev_info.user_dpm_enabled;
 	dev->rdma_type = dev_info.rdma_type;
 	dev->num_hwfns = dev_info.common.num_hwfns;
+	dev->affin_hwfn_idx = dev->ops->common->get_affin_hwfn_idx(cdev);
 	dev->rdma_ctx = dev->ops->rdma_get_rdma_ctx(cdev);
 
 	dev->num_cnq = dev->ops->rdma_get_min_cnq_msix(cdev);
--- a/drivers/infiniband/hw/qedr/qedr.h
+++ b/drivers/infiniband/hw/qedr/qedr.h
@@ -162,6 +162,8 @@ struct qedr_dev {
 	u32			dp_module;
 	u8			dp_level;
 	u8			num_hwfns;
+#define QEDR_IS_CMT(dev)        ((dev)->num_hwfns > 1)
+	u8			affin_hwfn_idx;
 	u8			gsi_ll2_handle;
 
 	uint			wq_multiplier;
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
@@ -2156,8 +2156,8 @@ static void _qed_ll2_get_pstats(struct q
 	p_stats->sent_bcast_pkts += HILO_64_REGPAIR(pstats.sent_bcast_pkts);
 }
 
-int __qed_ll2_get_stats(void *cxt,
-			u8 connection_handle, struct qed_ll2_stats *p_stats)
+static int __qed_ll2_get_stats(void *cxt, u8 connection_handle,
+			       struct qed_ll2_stats *p_stats)
 {
 	struct qed_hwfn *p_hwfn = cxt;
 	struct qed_ll2_info *p_ll2_conn = NULL;