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path: root/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c
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Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_hw_if.c')
-rw-r--r--drivers/net/ethernet/huawei/hinic/hinic_hw_if.c28
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);
}