diff options
| author | Chad Dupuis <cdupuis@marvell.com> | 2019-05-26 14:22:30 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-05-26 22:04:12 +0200 |
| commit | a9b02c615b0f92e3e8ad3245581fd7e1bbdc3db0 (patch) | |
| tree | 13dbda9ccb3bcbd1abe3119575eb6a031b961866 /drivers/scsi | |
| parent | qedi: Use hwfns and affin_hwfn_idx to get MSI-X vector index (diff) | |
| download | linux-a9b02c615b0f92e3e8ad3245581fd7e1bbdc3db0.tar.xz linux-a9b02c615b0f92e3e8ad3245581fd7e1bbdc3db0.zip | |
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')
| -rw-r--r-- | drivers/scsi/qedf/qedf_main.c | 39 |
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 |