hinic: add fw version query

This patch adds firmware version query in ethtool -i.
Signed-off-by: Xue Chaojing <xuechaojing@huawei.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/huawei/hinic/hinic_ethtool.c

@@ -117,11 +117,19 @@ static void hinic_get_drvinfo(struct net_device *netdev,
 			      struct ethtool_drvinfo *info)
 {
 	struct hinic_dev *nic_dev = netdev_priv(netdev);
+	u8 mgmt_ver[HINIC_MGMT_VERSION_MAX_LEN] = {0};
 	struct hinic_hwdev *hwdev = nic_dev->hwdev;
 	struct hinic_hwif *hwif = hwdev->hwif;
+	int err;
 
 	strlcpy(info->driver, HINIC_DRV_NAME, sizeof(info->driver));
 	strlcpy(info->bus_info, pci_name(hwif->pdev), sizeof(info->bus_info));
+
+	err = hinic_get_mgmt_version(nic_dev, mgmt_ver);
+	if (err)
+		return;
+
+	snprintf(info->fw_version, sizeof(info->fw_version), "%s", mgmt_ver);
 }
 
 static void hinic_get_ringparam(struct net_device *netdev,

drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h

@@ -77,6 +77,8 @@ enum hinic_port_cmd {
 
 	HINIC_PORT_CMD_FWCTXT_INIT      = 69,
 
+	HINIC_PORT_CMD_GET_MGMT_VERSION = 88,
+
 	HINIC_PORT_CMD_SET_FUNC_STATE   = 93,
 
 	HINIC_PORT_CMD_GET_GLOBAL_QPN   = 102,

drivers/net/ethernet/huawei/hinic/hinic_port.c

@@ -1038,3 +1038,33 @@ int hinic_get_phy_port_stats(struct hinic_dev *nic_dev,
 
 	return err;
 }
+
+int hinic_get_mgmt_version(struct hinic_dev *nic_dev, u8 *mgmt_ver)
+{
+	struct hinic_hwdev *hwdev = nic_dev->hwdev;
+	struct hinic_version_info up_ver = {0};
+	struct hinic_hwif *hwif;
+	struct pci_dev *pdev;
+	u16 out_size;
+	int err;
+
+	if (!hwdev)
+		return -EINVAL;
+
+	hwif = hwdev->hwif;
+	pdev = hwif->pdev;
+
+	err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_MGMT_VERSION,
+				 &up_ver, sizeof(up_ver), &up_ver,
+				 &out_size);
+	if (err || !out_size || up_ver.status) {
+		dev_err(&pdev->dev,
+			"Failed to get mgmt version, err: %d, status: 0x%x, out size: 0x%x\n",
+			err, up_ver.status, out_size);
+		return -EINVAL;
+	}
+
+	snprintf(mgmt_ver, HINIC_MGMT_VERSION_MAX_LEN, "%s", up_ver.ver);
+
+	return 0;
+}

drivers/net/ethernet/huawei/hinic/hinic_port.h

@@ -16,6 +16,18 @@
 #define HINIC_RSS_KEY_SIZE	40
 #define HINIC_RSS_INDIR_SIZE	256
 #define HINIC_PORT_STATS_VERSION	0
+#define HINIC_FW_VERSION_NAME	16
+#define HINIC_COMPILE_TIME_LEN	20
+#define HINIC_MGMT_VERSION_MAX_LEN	32
+
+struct hinic_version_info {
+	u8 status;
+	u8 version;
+	u8 rsvd[6];
+
+	u8 ver[HINIC_FW_VERSION_NAME];
+	u8 time[HINIC_COMPILE_TIME_LEN];
+};
 
 enum hinic_rx_mode {
 	HINIC_RX_MODE_UC        = BIT(0),
@@ -571,4 +583,6 @@ int hinic_get_vport_stats(struct hinic_dev *nic_dev,
 
 int hinic_set_rx_vlan_offload(struct hinic_dev *nic_dev, u8 en);
 
+int hinic_get_mgmt_version(struct hinic_dev *nic_dev, u8 *mgmt_ver);
+
 #endif