soc: hisilicon: add sysfs entry to query information of HCCS

This patch creates chip, die and port directory based on the actual
hardware implementation of platform. Some sysfs entries under these
directories are created to query the health status and port information
of HCCS.
Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

drivers/soc/hisilicon/kunpeng_hccs.h

@@ -21,6 +21,8 @@ struct hccs_port_info {
 	u8 port_type;
 	u8 lane_mode;
 	bool enable; /* if the port is enabled */
+	struct kobject kobj;
+	bool dir_created;
 	struct hccs_die_info *die; /* point to the die the port is located */
 };
 
@@ -30,6 +32,8 @@ struct hccs_die_info {
 	u8 min_port_id;
 	u8 max_port_id;
 	struct hccs_port_info *ports;
+	struct kobject kobj;
+	bool dir_created;
 	struct hccs_chip_info *chip; /* point to the chip the die is located */
 };
 
@@ -37,6 +41,7 @@ struct hccs_chip_info {
 	u8 chip_id;
 	u8 die_num;
 	struct hccs_die_info *dies;
+	struct kobject kobj;
 	struct hccs_dev *hdev;
 };
 
@@ -107,6 +112,23 @@ struct hccs_die_comm_req_param {
 	u8 die_id; /* id in hardware */
 };
 
+/* The common command request for getting the information of a specific port */
+struct hccs_port_comm_req_param {
+	u8 chip_id;
+	u8 die_id;
+	u8 port_id;
+};
+
+#define HCCS_PORT_RESET         1
+#define HCCS_PORT_SETUP         2
+#define HCCS_PORT_CONFIG        3
+#define HCCS_PORT_READY         4
+struct hccs_link_status {
+	u8 lane_mask; /* indicate which lanes are used. */
+	u8 link_fsm : 3; /* link fsm, 1: reset 2: setup 3: config 4: link-up */
+	u8 lane_num : 5; /* current lane number */
+};
+
 struct hccs_req_head {
 	u8 module_code; /* set to 0x32 for serdes */
 	u8 start_id;