summaryrefslogtreecommitdiff
path: root/drivers/scsi/qedf
diff options
context:
space:
mode:
authorChad Dupuis <cdupuis@marvell.com>2019-05-26 15:22:30 +0300
committerDavid S. Miller <davem@davemloft.net>2019-05-26 13:04:12 -0700
commita9b02c615b0f92e3e8ad3245581fd7e1bbdc3db0 (patch)
tree13dbda9ccb3bcbd1abe3119575eb6a031b961866 /drivers/scsi/qedf
parent2bfbc570586e4045cb09214af477223f732a0523 (diff)
qedf: Use hwfns and affin_hwfn_idx to get MSI-X vector index to use
MSI-X vector index is determined using qed device information and affinity to use. Signed-off-by: Chad Dupuis <cdupuis@marvell.com> Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/scsi/qedf')
-rw-r--r--drivers/scsi/qedf/qedf_main.c39
1 files changed, 28 insertions, 11 deletions
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 5b07235497c6..47e40859960b 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -2218,16 +2218,21 @@ static void qedf_simd_int_handler(void *cookie)
static void qedf_sync_free_irqs(struct qedf_ctx *qedf)
{
int i;
+ u16 vector_idx = 0;
+ u32 vector;
if (qedf->int_info.msix_cnt) {
for (i = 0; i < qedf->int_info.used_cnt; i++) {
- synchronize_irq(qedf->int_info.msix[i].vector);
- irq_set_affinity_hint(qedf->int_info.msix[i].vector,
- NULL);
- irq_set_affinity_notifier(qedf->int_info.msix[i].vector,
- NULL);
- free_irq(qedf->int_info.msix[i].vector,
- &qedf->fp_array[i]);
+ vector_idx = i * qedf->dev_info.common.num_hwfns +
+ qed_ops->common->get_affin_hwfn_idx(qedf->cdev);
+ QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
+ "Freeing IRQ #%d vector_idx=%d.\n",
+ i, vector_idx);
+ vector = qedf->int_info.msix[vector_idx].vector;
+ synchronize_irq(vector);
+ irq_set_affinity_hint(vector, NULL);
+ irq_set_affinity_notifier(vector, NULL);
+ free_irq(vector, &qedf->fp_array[i]);
}
} else
qed_ops->common->simd_handler_clean(qedf->cdev,
@@ -2240,11 +2245,19 @@ static void qedf_sync_free_irqs(struct qedf_ctx *qedf)
static int qedf_request_msix_irq(struct qedf_ctx *qedf)
{
int i, rc, cpu;
+ u16 vector_idx = 0;
+ u32 vector;
cpu = cpumask_first(cpu_online_mask);
for (i = 0; i < qedf->num_queues; i++) {
- rc = request_irq(qedf->int_info.msix[i].vector,
- qedf_msix_handler, 0, "qedf", &qedf->fp_array[i]);
+ vector_idx = i * qedf->dev_info.common.num_hwfns +
+ qed_ops->common->get_affin_hwfn_idx(qedf->cdev);
+ QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
+ "Requesting IRQ #%d vector_idx=%d.\n",
+ i, vector_idx);
+ vector = qedf->int_info.msix[vector_idx].vector;
+ rc = request_irq(vector, qedf_msix_handler, 0, "qedf",
+ &qedf->fp_array[i]);
if (rc) {
QEDF_WARN(&(qedf->dbg_ctx), "request_irq failed.\n");
@@ -2253,8 +2266,7 @@ static int qedf_request_msix_irq(struct qedf_ctx *qedf)
}
qedf->int_info.used_cnt++;
- rc = irq_set_affinity_hint(qedf->int_info.msix[i].vector,
- get_cpu_mask(cpu));
+ rc = irq_set_affinity_hint(vector, get_cpu_mask(cpu));
cpu = cpumask_next(cpu, cpu_online_mask);
}
@@ -3211,6 +3223,11 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
goto err1;
}
+ QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
+ "dev_info: num_hwfns=%d affin_hwfn_idx=%d.\n",
+ qedf->dev_info.common.num_hwfns,
+ qed_ops->common->get_affin_hwfn_idx(qedf->cdev));
+
/* queue allocation code should come here
* order should be
* slowpath_start