linux-kernel - [PATCH net-next 4/9] net: hns3: add support for devlink get info for PF

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Message-ID: <1626053698-46849-5-git-send-email-huangguangbin2@huawei.com>
Date:   Mon, 12 Jul 2021 09:34:53 +0800
From:   Guangbin Huang <huangguangbin2@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <jiri@...dia.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <lipeng321@...wei.com>, <chenhao288@...ilicon.com>,
        <huangguangbin2@...wei.com>
Subject: [PATCH net-next 4/9] net: hns3: add support for devlink get info for PF

From: Yufeng Mo <moyufeng@...wei.com>

Add devlink get info support for HNS3 ethernet PF driver.

Signed-off-by: Yufeng Mo <moyufeng@...wei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>
---
 .../ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
index 03b822b0a8e7..7de423d510c5 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
@@ -5,7 +5,37 @@
 
 #include "hclge_devlink.h"
 
+static int hclge_devlink_info_get(struct devlink *devlink,
+				  struct devlink_info_req *req,
+				  struct netlink_ext_ack *extack)
+{
+#define	HCLGE_DEVLINK_FW_STRING_LEN	32
+	struct hclge_devlink_priv *priv = devlink_priv(devlink);
+	char version_str[HCLGE_DEVLINK_FW_STRING_LEN];
+	struct hclge_dev *hdev = priv->hdev;
+	int ret;
+
+	ret = devlink_info_driver_name_put(req, KBUILD_MODNAME);
+	if (ret)
+		return ret;
+
+	snprintf(version_str, sizeof(version_str), "%lu.%lu.%lu.%lu",
+		 hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE3_MASK,
+				 HNAE3_FW_VERSION_BYTE3_SHIFT),
+		 hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE2_MASK,
+				 HNAE3_FW_VERSION_BYTE2_SHIFT),
+		 hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE1_MASK,
+				 HNAE3_FW_VERSION_BYTE1_SHIFT),
+		 hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE0_MASK,
+				 HNAE3_FW_VERSION_BYTE0_SHIFT));
+
+	return devlink_info_version_running_put(req,
+						DEVLINK_INFO_VERSION_GENERIC_FW,
+						version_str);
+}
+
 static const struct devlink_ops hclge_devlink_ops = {
+	.info_get = hclge_devlink_info_get,
 };
 
 int hclge_devlink_init(struct hclge_dev *hdev)
-- 
2.8.1