diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c index 4f2af3d52793..cb6ed8c7a972 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c @@ -1687,6 +1687,81 @@ pci_ers_result_t hclge_handle_hw_ras_error(struct hnae3_ae_dev *ae_dev) return PCI_ERS_RESULT_RECOVERED; } +/* hclge_query_8bd_info: query information about over_8bd_nfe_err + * @hdev: pointer to struct hclge_dev + * @vf_id: Index of the virtual function with error + * @q_id: Physical index of the queue with error + * + * This function get specific index of queue and function which causes + * over_8bd_nfe_err by using command. If vf_id is 0, it means error is + * caused by PF instead of VF. + */ +static int hclge_query_over_8bd_err_info(struct hclge_dev *hdev, u16 *vf_id, + u16 *q_id) +{ + struct hclge_query_ppu_pf_other_int_dfx_cmd *req; + struct hclge_desc desc; + int ret; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_PPU_PF_OTHER_INT_DFX, true); + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) + return ret; + + req = (struct hclge_query_ppu_pf_other_int_dfx_cmd *)desc.data; + *vf_id = le16_to_cpu(req->over_8bd_no_fe_vf_id); + *q_id = le16_to_cpu(req->over_8bd_no_fe_qid); + + return 0; +} + +/* hclge_handle_over_8bd_err: handle MSI-X error named over_8bd_nfe_err + * @hdev: pointer to struct hclge_dev + * @reset_requests: reset level that we need to trigger later + * + * over_8bd_nfe_err is a special MSI-X because it may caused by a VF, in + * that case, we need to trigger VF reset. Otherwise, a PF reset is needed. + */ +static void hclge_handle_over_8bd_err(struct hclge_dev *hdev, + unsigned long *reset_requests) +{ + struct device *dev = &hdev->pdev->dev; + u16 vf_id; + u16 q_id; + int ret; + + ret = hclge_query_over_8bd_err_info(hdev, &vf_id, &q_id); + if (ret) { + dev_err(dev, "fail(%d) to query over_8bd_no_fe info\n", + ret); + return; + } + + dev_warn(dev, "PPU_PF_ABNORMAL_INT_ST over_8bd_no_fe found, vf_id(%d), queue_id(%d)\n", + vf_id, q_id); + + if (vf_id) { + if (vf_id >= hdev->num_alloc_vport) { + dev_err(dev, "invalid vf id(%d)\n", vf_id); + return; + } + + /* If we need to trigger other reset whose level is higher + * than HNAE3_VF_FUNC_RESET, no need to trigger a VF reset + * here. + */ + if (*reset_requests != 0) + return; + + ret = hclge_inform_reset_assert_to_vf(&hdev->vport[vf_id]); + if (ret) + dev_warn(dev, "inform reset to vf(%d) failed %d!\n", + hdev->vport->vport_id, ret); + } else { + set_bit(HNAE3_FUNC_RESET, reset_requests); + } +} + int hclge_handle_hw_msix_error(struct hclge_dev *hdev, unsigned long *reset_requests) { @@ -1799,6 +1874,10 @@ int hclge_handle_hw_msix_error(struct hclge_dev *hdev, set_bit(reset_level, reset_requests); } + status = le32_to_cpu(*desc_data) & HCLGE_PPU_PF_OVER_8BD_ERR_MASK; + if (status) + hclge_handle_over_8bd_err(hdev, reset_requests); + /* clear all PF MSIx errors */ hclge_cmd_reuse_desc(&desc[0], false); ret = hclge_cmd_send(&hdev->hw, &desc[0], pf_bd_num); |