diff options
Diffstat (limited to 'drivers/net/ethernet/cavium/thunder/nic_main.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nic_main.c | 64 |
1 files changed, 16 insertions, 48 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index 767234e2e8f9..fb770b0182d3 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -65,9 +65,7 @@ struct nicpf { bool mbx_lock[MAX_NUM_VFS_SUPPORTED]; /* MSI-X */ - bool msix_enabled; u8 num_vec; - struct msix_entry *msix_entries; bool irq_allocated[NIC_PF_MSIX_VECTORS]; char irq_name[NIC_PF_MSIX_VECTORS][20]; }; @@ -1088,7 +1086,7 @@ static irqreturn_t nic_mbx_intr_handler(int irq, void *nic_irq) u64 intr; u8 vf, vf_per_mbx_reg = 64; - if (irq == nic->msix_entries[NIC_PF_INTR_ID_MBOX0].vector) + if (irq == pci_irq_vector(nic->pdev, NIC_PF_INTR_ID_MBOX0)) mbx = 0; else mbx = 1; @@ -1107,51 +1105,13 @@ static irqreturn_t nic_mbx_intr_handler(int irq, void *nic_irq) return IRQ_HANDLED; } -static int nic_enable_msix(struct nicpf *nic) -{ - int i, ret; - - nic->num_vec = pci_msix_vec_count(nic->pdev); - - nic->msix_entries = kmalloc_array(nic->num_vec, - sizeof(struct msix_entry), - GFP_KERNEL); - if (!nic->msix_entries) - return -ENOMEM; - - for (i = 0; i < nic->num_vec; i++) - nic->msix_entries[i].entry = i; - - ret = pci_enable_msix(nic->pdev, nic->msix_entries, nic->num_vec); - if (ret) { - dev_err(&nic->pdev->dev, - "Request for #%d msix vectors failed, returned %d\n", - nic->num_vec, ret); - kfree(nic->msix_entries); - return ret; - } - - nic->msix_enabled = 1; - return 0; -} - -static void nic_disable_msix(struct nicpf *nic) -{ - if (nic->msix_enabled) { - pci_disable_msix(nic->pdev); - kfree(nic->msix_entries); - nic->msix_enabled = 0; - nic->num_vec = 0; - } -} - static void nic_free_all_interrupts(struct nicpf *nic) { int irq; for (irq = 0; irq < nic->num_vec; irq++) { if (nic->irq_allocated[irq]) - free_irq(nic->msix_entries[irq].vector, nic); + free_irq(pci_irq_vector(nic->pdev, irq), nic); nic->irq_allocated[irq] = false; } } @@ -1159,18 +1119,24 @@ static void nic_free_all_interrupts(struct nicpf *nic) static int nic_register_interrupts(struct nicpf *nic) { int i, ret; + nic->num_vec = pci_msix_vec_count(nic->pdev); /* Enable MSI-X */ - ret = nic_enable_msix(nic); - if (ret) - return ret; + ret = pci_alloc_irq_vectors(nic->pdev, nic->num_vec, nic->num_vec, + PCI_IRQ_MSIX); + if (ret < 0) { + dev_err(&nic->pdev->dev, + "Request for #%d msix vectors failed, returned %d\n", + nic->num_vec, ret); + return 1; + } /* Register mailbox interrupt handler */ for (i = NIC_PF_INTR_ID_MBOX0; i < nic->num_vec; i++) { sprintf(nic->irq_name[i], "NICPF Mbox%d", (i - NIC_PF_INTR_ID_MBOX0)); - ret = request_irq(nic->msix_entries[i].vector, + ret = request_irq(pci_irq_vector(nic->pdev, i), nic_mbx_intr_handler, 0, nic->irq_name[i], nic); if (ret) @@ -1186,14 +1152,16 @@ static int nic_register_interrupts(struct nicpf *nic) fail: dev_err(&nic->pdev->dev, "Request irq failed\n"); nic_free_all_interrupts(nic); - nic_disable_msix(nic); + pci_free_irq_vectors(nic->pdev); + nic->num_vec = 0; return ret; } static void nic_unregister_interrupts(struct nicpf *nic) { nic_free_all_interrupts(nic); - nic_disable_msix(nic); + pci_free_irq_vectors(nic->pdev); + nic->num_vec = 0; } static int nic_num_sqs_en(struct nicpf *nic, int vf_en) |