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net: hns3: add support for dump firmware statistics by debugfs

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This patch prints firmware statistics information.

debugfs command:
echo dump m7 info > cmd

estuary:/dbg/hns3/0000:7d:00.0$ echo dump m7 info > cmd
[  172.577240] hns3 0000:7d:00.0: 0x00000000  0x00000000  0x00000000
[  172.583471] hns3 0000:7d:00.0: 0x00000000  0x00000000  0x00000000
[  172.589552] hns3 0000:7d:00.0: 0x00000030  0x00000000  0x00000000
[  172.595632] hns3 0000:7d:00.0: 0x00000000  0x00000000  0x00000000
estuary:/dbg/hns3/0000:7d:00.0$

Signed-off-by: Zhongzhu Liu <liuzhongzhu@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zhongzhu Liu 2019-05-28 17:02:53 +08:00 committed by David S. Miller
parent eff858c178
commit 33a90e2f20
3 changed files with 66 additions and 0 deletions
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1
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
View File

@ -252,6 +252,7 @@ static void hns3_dbg_help(struct hnae3_handle *h)
dev_info(&h->pdev->dev, "dump qos buf cfg\n");
dev_info(&h->pdev->dev, "dump mng tbl\n");
dev_info(&h->pdev->dev, "dump reset info\n");
dev_info(&h->pdev->dev, "dump m7 info\n");
dev_info(&h->pdev->dev, "dump ncl_config <offset> <length>(in hex)\n");
dev_info(&h->pdev->dev, "dump mac tnl status\n");

8
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
View File

@ -243,6 +243,9 @@ enum hclge_opcode_type {
/* NCL config command */
HCLGE_OPC_QUERY_NCL_CONFIG = 0x7011,
/* M7 stats command */
HCLGE_OPC_M7_STATS_BD = 0x7012,
HCLGE_OPC_M7_STATS_INFO = 0x7013,
/* SFP command */
HCLGE_OPC_GET_SFP_INFO = 0x7104,
@ -970,6 +973,11 @@ struct hclge_fd_ad_config_cmd {
u8 rsv2[8];
};
struct hclge_get_m7_bd_cmd {
__le32 bd_num;
u8 rsv[20];
};
int hclge_cmd_init(struct hclge_dev *hdev);
static inline void hclge_write_reg(void __iomem *base, u32 reg, u32 value)
{

57
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
View File

@ -921,6 +921,61 @@ static void hclge_dbg_dump_rst_info(struct hclge_dev *hdev)
hdev->rst_stats.reset_cnt);
}
void hclge_dbg_get_m7_stats_info(struct hclge_dev *hdev)
{
struct hclge_desc *desc_src, *desc_tmp;
struct hclge_get_m7_bd_cmd *req;
struct hclge_desc desc;
u32 bd_num, buf_len;
int ret, i;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_M7_STATS_BD, true);
req = (struct hclge_get_m7_bd_cmd *)desc.data;
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"get firmware statistics bd number failed, ret=%d\n",
ret);
return;
}
bd_num = le32_to_cpu(req->bd_num);
buf_len = sizeof(struct hclge_desc) * bd_num;
desc_src = kzalloc(buf_len, GFP_KERNEL);
if (!desc_src) {
dev_err(&hdev->pdev->dev,
"allocate desc for get_m7_stats failed\n");
return;
}
desc_tmp = desc_src;
ret = hclge_dbg_cmd_send(hdev, desc_tmp, 0, bd_num,
HCLGE_OPC_M7_STATS_INFO);
if (ret) {
kfree(desc_src);
dev_err(&hdev->pdev->dev,
"get firmware statistics failed, ret=%d\n", ret);
return;
}
for (i = 0; i < bd_num; i++) {
dev_info(&hdev->pdev->dev, "0x%08x 0x%08x 0x%08x\n",
le32_to_cpu(desc_tmp->data[0]),
le32_to_cpu(desc_tmp->data[1]),
le32_to_cpu(desc_tmp->data[2]));
dev_info(&hdev->pdev->dev, "0x%08x 0x%08x 0x%08x\n",
le32_to_cpu(desc_tmp->data[3]),
le32_to_cpu(desc_tmp->data[4]),
le32_to_cpu(desc_tmp->data[5]));
desc_tmp++;
}
kfree(desc_src);
}
/* hclge_dbg_dump_ncl_config: print specified range of NCL_CONFIG file
* @hdev: pointer to struct hclge_dev
* @cmd_buf: string that contains offset and length
@ -1029,6 +1084,8 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, char *cmd_buf)
hclge_dbg_dump_reg_cmd(hdev, cmd_buf);
} else if (strncmp(cmd_buf, "dump reset info", 15) == 0) {
hclge_dbg_dump_rst_info(hdev);
} else if (strncmp(cmd_buf, "dump m7 info", 12) == 0) {
hclge_dbg_get_m7_stats_info(hdev);
} else if (strncmp(cmd_buf, "dump ncl_config", 15) == 0) {
hclge_dbg_dump_ncl_config(hdev,
&cmd_buf[sizeof("dump ncl_config")]);