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| author | liuzhongzhu <liuzhongzhu@huawei.com> | 2018-12-15 15:31:55 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-12-15 10:54:18 -0800 |
| commit | 27cf979a15841eed5de06b6f46ae490ce2fda46b (patch) | |
| tree | 20388c13f9cb1bd941d14babc8263b3d1f2027cc /drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | |
| parent | 7737f1fbb5ba1581e8b77ed4b2302485fa237f1e (diff) | |
| download | lwn-27cf979a15841eed5de06b6f46ae490ce2fda46b.tar.gz lwn-27cf979a15841eed5de06b6f46ae490ce2fda46b.zip | |
net: hns3: Add "status register" information query function
This patch prints status register information by module.
debugfs command:
echo dump reg [mode name] > cmd
Sample Command:
root@(none)# echo dump reg bios common > cmd
BP_CPU_STATE: 0x0
DFX_MSIX_INFO_NIC_0: 0xc000
DFX_MSIX_INFO_NIC_1: 0xf
DFX_MSIX_INFO_NIC_2: 0x2
DFX_MSIX_INFO_NIC_3: 0x2
DFX_MSIX_INFO_ROC_0: 0xc000
DFX_MSIX_INFO_ROC_1: 0x0
DFX_MSIX_INFO_ROC_2: 0x0
DFX_MSIX_INFO_ROC_3: 0x0
root@(none)#
Signed-off-by: liuzhongzhu <liuzhongzhu@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 4c5a421456b7..e6268e03d221 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -201,6 +201,10 @@ static int hns3_dbg_bd_info(struct hnae3_handle *h, char *cmd_buf) static void hns3_dbg_help(struct hnae3_handle *h) { +#define HNS3_DBG_BUF_LEN 256 + + char printf_buf[HNS3_DBG_BUF_LEN]; + dev_info(&h->pdev->dev, "available commands\n"); dev_info(&h->pdev->dev, "queue info [number]\n"); dev_info(&h->pdev->dev, "bd info [q_num] <bd index>\n"); @@ -211,6 +215,17 @@ static void hns3_dbg_help(struct hnae3_handle *h) dev_info(&h->pdev->dev, "dump qos pri map\n"); dev_info(&h->pdev->dev, "dump qos buf cfg\n"); dev_info(&h->pdev->dev, "dump mng tbl\n"); + + memset(printf_buf, 0, HNS3_DBG_BUF_LEN); + strncat(printf_buf, "dump reg [[bios common] [ssu <prt_id>]", + HNS3_DBG_BUF_LEN - 1); + strncat(printf_buf + strlen(printf_buf), + " [igu egu <prt_id>] [rpu <tc_queue_num>]", + HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); + strncat(printf_buf + strlen(printf_buf), + " [rtc] [ppp] [rcb] [tqp <q_num>]]\n", + HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1); + dev_info(&h->pdev->dev, "%s", printf_buf); } static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, |