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Subject[PATCH net-next 4/6] net: hns3: add debugfs of dumping pf interrupt resources
Date
From: Yufeng Mo <moyufeng@huawei.com>

The pf's interrupt resources will be changed with the number of
enabled pf. Dumping this resource information will be helpful
for debugging.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
---
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 1 +
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c | 12 ++++++++++++
2 files changed, 13 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index c6d7463..4fab82c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -264,6 +264,7 @@ static void hns3_dbg_help(struct hnae3_handle *h)
dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n");
dev_info(&h->pdev->dev, "dump uc mac list <func id>\n");
dev_info(&h->pdev->dev, "dump mc mac list <func id>\n");
+ dev_info(&h->pdev->dev, "dump intr\n");

memset(printf_buf, 0, HNS3_DBG_BUF_LEN);
strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]",
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index 28be561..1ec1145 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -1165,6 +1165,14 @@ static void hclge_dbg_dump_serv_info(struct hclge_dev *hdev)
hdev->serv_processed_cnt);
}

+static void hclge_dbg_dump_interrupt(struct hclge_dev *hdev)
+{
+ dev_info(&hdev->pdev->dev, "num_nic_msi: %u\n", hdev->num_nic_msi);
+ dev_info(&hdev->pdev->dev, "num_roce_msi: %u\n", hdev->num_roce_msi);
+ dev_info(&hdev->pdev->dev, "num_msi_used: %u\n", hdev->num_msi_used);
+ dev_info(&hdev->pdev->dev, "num_msi_left: %u\n", hdev->num_msi_left);
+}
+
static void hclge_dbg_get_m7_stats_info(struct hclge_dev *hdev)
{
struct hclge_desc *desc_src, *desc_tmp;
@@ -1489,6 +1497,7 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf)
#define DUMP_REG "dump reg"
#define DUMP_TM_MAP "dump tm map"
#define DUMP_LOOPBACK "dump loopback"
+#define DUMP_INTERRUPT "dump intr"

struct hclge_vport *vport = hclge_get_vport(handle);
struct hclge_dev *hdev = vport->back;
@@ -1536,6 +1545,9 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf)
hclge_dbg_dump_mac_list(hdev,
&cmd_buf[sizeof("dump mc mac list")],
false);
+ } else if (strncmp(cmd_buf, DUMP_INTERRUPT,
+ strlen(DUMP_INTERRUPT)) == 0) {
+ hclge_dbg_dump_interrupt(hdev);
} else {
dev_info(&hdev->pdev->dev, "unknown command\n");
return -EINVAL;
--
2.7.4
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