diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 36690fc5c1af..b38b48b9f0b1 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -262,6 +262,9 @@ enum hclge_opcode_type { /* Led command */ HCLGE_OPC_LED_STATUS_CFG = 0xB000, + /* clear hardware resource command */ + HCLGE_OPC_CLEAR_HW_RESOURCE = 0x700B, + /* NCL config command */ HCLGE_OPC_QUERY_NCL_CONFIG = 0x7011, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 98190aa90781..c48c845472ca 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -10030,6 +10030,28 @@ static void hclge_clear_resetting_state(struct hclge_dev *hdev) } } +static int hclge_clear_hw_resource(struct hclge_dev *hdev) +{ + struct hclge_desc desc; + int ret; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CLEAR_HW_RESOURCE, false); + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + /* This new command is only supported by new firmware, it will + * fail with older firmware. Error value -EOPNOSUPP can only be + * returned by older firmware running this command, to keep code + * backward compatible we will override this value and return + * success. + */ + if (ret && ret != -EOPNOTSUPP) { + dev_err(&hdev->pdev->dev, + "failed to clear hw resource, ret = %d\n", ret); + return ret; + } + return 0; +} + static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev) { struct pci_dev *pdev = ae_dev->pdev; @@ -10067,6 +10089,10 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev) if (ret) goto err_cmd_uninit; + ret = hclge_clear_hw_resource(hdev); + if (ret) + goto err_cmd_uninit; + ret = hclge_get_cap(hdev); if (ret) goto err_cmd_uninit;