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net: hns3: dump some debug information when reset fail

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When reset fails, there is some information that will help for
finding out why does reset fail. and removes an unused
core_rst_cnt field in struct hclge_rst_stats.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Huazhong Tan 2019-10-31 19:23:16 +08:00 committed by David S. Miller
parent 7969774430
commit 3d77d0cb05
4 changed files with 35 additions and 4 deletions
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5
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
View File

@ -929,7 +929,7 @@ static void hclge_dbg_fd_tcam(struct hclge_dev *hdev)
}
}
static void hclge_dbg_dump_rst_info(struct hclge_dev *hdev)
void hclge_dbg_dump_rst_info(struct hclge_dev *hdev)
{
dev_info(&hdev->pdev->dev, "PF reset count: %u\n",
hdev->rst_stats.pf_rst_cnt);
@ -945,8 +945,6 @@ static void hclge_dbg_dump_rst_info(struct hclge_dev *hdev)
hdev->rst_stats.hw_reset_done_cnt);
dev_info(&hdev->pdev->dev, "reset count: %u\n",
hdev->rst_stats.reset_cnt);
dev_info(&hdev->pdev->dev, "reset count: %u\n",
hdev->rst_stats.reset_cnt);
dev_info(&hdev->pdev->dev, "reset fail count: %u\n",
hdev->rst_stats.reset_fail_cnt);
dev_info(&hdev->pdev->dev, "vector0 interrupt enable status: 0x%x\n",
@ -961,6 +959,7 @@ static void hclge_dbg_dump_rst_info(struct hclge_dev *hdev)
hclge_read_dev(&hdev->hw, HCLGE_NIC_CSQ_DEPTH_REG));
dev_info(&hdev->pdev->dev, "function reset status: 0x%x\n",
hclge_read_dev(&hdev->hw, HCLGE_FUN_RST_ING));
dev_info(&hdev->pdev->dev, "hdev state: 0x%lx\n", hdev->state);
}
static void hclge_dbg_get_m7_stats_info(struct hclge_dev *hdev)

3
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
View File

@ -3669,6 +3669,9 @@ static bool hclge_reset_err_handle(struct hclge_dev *hdev)
hclge_reset_handshake(hdev, true);
dev_err(&hdev->pdev->dev, "Reset fail!\n");
hclge_dbg_dump_rst_info(hdev);
return false;
}

2
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
View File

@ -656,7 +656,6 @@ struct hclge_rst_stats {
u32 hw_reset_done_cnt; /* the number of HW reset has completed */
u32 pf_rst_cnt; /* the number of PF reset */
u32 flr_rst_cnt; /* the number of FLR */
u32 core_rst_cnt; /* the number of CORE reset */
u32 global_rst_cnt; /* the number of GLOBAL */
u32 imp_rst_cnt; /* the number of IMP reset */
u32 reset_cnt; /* the number of reset */
@ -1005,4 +1004,5 @@ int hclge_query_bd_num_cmd_send(struct hclge_dev *hdev,
void hclge_report_hw_error(struct hclge_dev *hdev,
enum hnae3_hw_error_type type);
void hclge_inform_vf_promisc_info(struct hclge_vport *vport);
void hclge_dbg_dump_rst_info(struct hclge_dev *hdev);
#endif

29
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
View File

@ -1549,6 +1549,33 @@ static int hclgevf_reset_prepare_wait(struct hclgevf_dev *hdev)
return ret;
}
static void hclgevf_dump_rst_info(struct hclgevf_dev *hdev)
{
dev_info(&hdev->pdev->dev, "VF function reset count: %u\n",
hdev->rst_stats.vf_func_rst_cnt);
dev_info(&hdev->pdev->dev, "FLR reset count: %u\n",
hdev->rst_stats.flr_rst_cnt);
dev_info(&hdev->pdev->dev, "VF reset count: %u\n",
hdev->rst_stats.vf_rst_cnt);
dev_info(&hdev->pdev->dev, "reset done count: %u\n",
hdev->rst_stats.rst_done_cnt);
dev_info(&hdev->pdev->dev, "HW reset done count: %u\n",
hdev->rst_stats.hw_rst_done_cnt);
dev_info(&hdev->pdev->dev, "reset count: %u\n",
hdev->rst_stats.rst_cnt);
dev_info(&hdev->pdev->dev, "reset fail count: %u\n",
hdev->rst_stats.rst_fail_cnt);
dev_info(&hdev->pdev->dev, "vector0 interrupt enable status: 0x%x\n",
hclgevf_read_dev(&hdev->hw, HCLGEVF_MISC_VECTOR_REG_BASE));
dev_info(&hdev->pdev->dev, "vector0 interrupt status: 0x%x\n",
hclgevf_read_dev(&hdev->hw, HCLGEVF_VECTOR0_CMDQ_STAT_REG));
dev_info(&hdev->pdev->dev, "handshake status: 0x%x\n",
hclgevf_read_dev(&hdev->hw, HCLGEVF_CMDQ_TX_DEPTH_REG));
dev_info(&hdev->pdev->dev, "function reset status: 0x%x\n",
hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING));
dev_info(&hdev->pdev->dev, "hdev state: 0x%lx\n", hdev->state);
}
static void hclgevf_reset_err_handle(struct hclgevf_dev *hdev)
{
/* recover handshake status with IMP when reset fail */
@ -1563,6 +1590,8 @@ static void hclgevf_reset_err_handle(struct hclgevf_dev *hdev)
if (hclgevf_is_reset_pending(hdev)) {
set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
hclgevf_reset_task_schedule(hdev);
} else {
hclgevf_dump_rst_info(hdev);
}
}