diff options
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_hw_if.c')
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_if.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c index 823a17061a97..9b160f076904 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c @@ -168,6 +168,22 @@ void hinic_db_state_set(struct hinic_hwif *hwif, hinic_hwif_write_reg(hwif, HINIC_CSR_FUNC_ATTR4_ADDR, attr4); } +void hinic_set_msix_state(struct hinic_hwif *hwif, u16 msix_idx, + enum hinic_msix_state flag) +{ + u32 offset = msix_idx * HINIC_PCI_MSIX_ENTRY_SIZE + + HINIC_PCI_MSIX_ENTRY_VECTOR_CTRL; + u32 mask_bits; + + mask_bits = readl(hwif->intr_regs_base + offset); + mask_bits &= ~HINIC_PCI_MSIX_ENTRY_CTRL_MASKBIT; + + if (flag) + mask_bits |= HINIC_PCI_MSIX_ENTRY_CTRL_MASKBIT; + + writel(mask_bits, hwif->intr_regs_base + offset); +} + /** * hwif_ready - test if the HW is ready for use * @hwif: the HW interface of a pci function device @@ -321,6 +337,13 @@ int hinic_init_hwif(struct hinic_hwif *hwif, struct pci_dev *pdev) return -ENOMEM; } + hwif->intr_regs_base = pci_ioremap_bar(pdev, HINIC_PCI_INTR_REGS_BAR); + if (!hwif->intr_regs_base) { + dev_err(&pdev->dev, "Failed to map configuration regs\n"); + err = -ENOMEM; + goto err_map_intr_bar; + } + err = hwif_ready(hwif); if (err) { dev_err(&pdev->dev, "HW interface is not ready\n"); @@ -337,7 +360,11 @@ int hinic_init_hwif(struct hinic_hwif *hwif, struct pci_dev *pdev) return 0; err_hwif_ready: + iounmap(hwif->intr_regs_base); + +err_map_intr_bar: iounmap(hwif->cfg_regs_bar); + return err; } @@ -347,5 +374,6 @@ err_hwif_ready: **/ void hinic_free_hwif(struct hinic_hwif *hwif) { + iounmap(hwif->intr_regs_base); iounmap(hwif->cfg_regs_bar); } |