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Message-ID: <1568105908-60983-8-git-send-email-tanhuazhong@huawei.com>
Date: Tue, 10 Sep 2019 16:58:28 +0800
From: Huazhong Tan <tanhuazhong@...wei.com>
To: <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<salil.mehta@...wei.com>, <yisen.zhuang@...wei.com>,
<linuxarm@...wei.com>, <jakub.kicinski@...ronome.com>,
Huazhong Tan <tanhuazhong@...wei.com>
Subject: [PATCH net-next 7/7] net: hns3: add some DFX info for reset issue
This patch adds more information for reset DFX. Also, adds some
cleanups to reset info, move reset_fail_cnt into struct
hclge_rst_stats, and modifies some print formats.
Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
---
.../ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c | 32 ++++++++++++++++------
.../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 11 ++++----
.../ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 2 +-
3 files changed, 30 insertions(+), 15 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index 6dcce48..d0128d7 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -931,22 +931,36 @@ static void hclge_dbg_fd_tcam(struct hclge_dev *hdev)
static void hclge_dbg_dump_rst_info(struct hclge_dev *hdev)
{
- dev_info(&hdev->pdev->dev, "PF reset count: %d\n",
+ dev_info(&hdev->pdev->dev, "PF reset count: %u\n",
hdev->rst_stats.pf_rst_cnt);
- dev_info(&hdev->pdev->dev, "FLR reset count: %d\n",
+ dev_info(&hdev->pdev->dev, "FLR reset count: %u\n",
hdev->rst_stats.flr_rst_cnt);
- dev_info(&hdev->pdev->dev, "CORE reset count: %d\n",
- hdev->rst_stats.core_rst_cnt);
- dev_info(&hdev->pdev->dev, "GLOBAL reset count: %d\n",
+ dev_info(&hdev->pdev->dev, "GLOBAL reset count: %u\n",
hdev->rst_stats.global_rst_cnt);
- dev_info(&hdev->pdev->dev, "IMP reset count: %d\n",
+ dev_info(&hdev->pdev->dev, "IMP reset count: %u\n",
hdev->rst_stats.imp_rst_cnt);
- dev_info(&hdev->pdev->dev, "reset done count: %d\n",
+ dev_info(&hdev->pdev->dev, "reset done count: %u\n",
hdev->rst_stats.reset_done_cnt);
- dev_info(&hdev->pdev->dev, "HW reset done count: %d\n",
+ dev_info(&hdev->pdev->dev, "HW reset done count: %u\n",
hdev->rst_stats.hw_reset_done_cnt);
- dev_info(&hdev->pdev->dev, "reset count: %d\n",
+ 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",
+ hclge_read_dev(&hdev->hw, HCLGE_MISC_VECTOR_REG_BASE));
+ dev_info(&hdev->pdev->dev, "reset interrupt source: 0x%x\n",
+ hclge_read_dev(&hdev->hw, HCLGE_MISC_RESET_STS_REG));
+ dev_info(&hdev->pdev->dev, "reset interrupt status: 0x%x\n",
+ hclge_read_dev(&hdev->hw, HCLGE_MISC_VECTOR_INT_STS));
+ dev_info(&hdev->pdev->dev, "hardware reset status: 0x%x\n",
+ hclge_read_dev(&hdev->hw, HCLGE_GLOBAL_RESET_REG));
+ dev_info(&hdev->pdev->dev, "handshake status: 0x%x\n",
+ 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));
}
static void hclge_dbg_get_m7_stats_info(struct hclge_dev *hdev)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index bc5bad3..fd7f943 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -3547,12 +3547,12 @@ static bool hclge_reset_err_handle(struct hclge_dev *hdev)
"reset failed because new reset interrupt\n");
hclge_clear_reset_cause(hdev);
return false;
- } else if (hdev->reset_fail_cnt < MAX_RESET_FAIL_CNT) {
- hdev->reset_fail_cnt++;
+ } else if (hdev->rst_stats.reset_fail_cnt < MAX_RESET_FAIL_CNT) {
+ hdev->rst_stats.reset_fail_cnt++;
set_bit(hdev->reset_type, &hdev->reset_pending);
dev_info(&hdev->pdev->dev,
"re-schedule reset task(%d)\n",
- hdev->reset_fail_cnt);
+ hdev->rst_stats.reset_fail_cnt);
return true;
}
@@ -3679,7 +3679,8 @@ static void hclge_reset(struct hclge_dev *hdev)
/* ignore RoCE notify error if it fails HCLGE_RESET_MAX_FAIL_CNT - 1
* times
*/
- if (ret && hdev->reset_fail_cnt < HCLGE_RESET_MAX_FAIL_CNT - 1)
+ if (ret &&
+ hdev->rst_stats.reset_fail_cnt < HCLGE_RESET_MAX_FAIL_CNT - 1)
goto err_reset;
rtnl_lock();
@@ -3695,7 +3696,7 @@ static void hclge_reset(struct hclge_dev *hdev)
goto err_reset;
hdev->last_reset_time = jiffies;
- hdev->reset_fail_cnt = 0;
+ hdev->rst_stats.reset_fail_cnt = 0;
hdev->rst_stats.reset_done_cnt++;
ae_dev->reset_type = HNAE3_NONE_RESET;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
index 870550f..3e9574a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
@@ -659,6 +659,7 @@ struct hclge_rst_stats {
u32 global_rst_cnt; /* the number of GLOBAL */
u32 imp_rst_cnt; /* the number of IMP reset */
u32 reset_cnt; /* the number of reset */
+ u32 reset_fail_cnt; /* the number of reset fail */
};
/* time and register status when mac tunnel interruption occur */
@@ -725,7 +726,6 @@ struct hclge_dev {
unsigned long reset_request; /* reset has been requested */
unsigned long reset_pending; /* client rst is pending to be served */
struct hclge_rst_stats rst_stats;
- u32 reset_fail_cnt;
u32 fw_version;
u16 num_vmdq_vport; /* Num vmdq vport this PF has set up */
u16 num_tqps; /* Num task queue pairs of this PF */
--
2.7.4
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