drivers/net/ethernet/huawei/hinic3/hinic3_hw_intf.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/huawei/hinic3/hinic3_hw_intf.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/huawei/hinic3/hinic3_hw_intf.h
Extension
.h
Size
7729 bytes
Lines
301
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct mgmt_msg_head {
	u8 status;
	u8 version;
	u8 rsvd0[6];
};

struct mgmt_msg_params {
	const void  *buf_in;
	u32         in_size;
	void        *buf_out;
	u32         expected_out_size;
	u32         timeout_ms;
};

/* CMDQ MODULE_TYPE */
enum mgmt_mod_type {
	/* HW communication module */
	MGMT_MOD_COMM   = 0,
	/* L2NIC module */
	MGMT_MOD_L2NIC  = 1,
	/* Configuration module */
	MGMT_MOD_CFGM   = 7,
	MGMT_MOD_HILINK = 14,
	/* hardware max module id */
	MGMT_MOD_HW_MAX = 20,
};

static inline void mgmt_msg_params_init_default(struct mgmt_msg_params *msg_params,
						void *inout_buf, u32 buf_size)
{
	msg_params->buf_in = inout_buf;
	msg_params->buf_out = inout_buf;
	msg_params->in_size = buf_size;
	msg_params->expected_out_size = buf_size;
	msg_params->timeout_ms = 0;
}

enum cfg_cmd {
	CFG_CMD_GET_DEV_CAP = 0,
};

/* Device capabilities, defined by hw */
struct cfg_cmd_dev_cap {
	struct mgmt_msg_head head;

	u16                  func_id;
	u16                  rsvd1;

	/* Public resources */
	u8                   host_id;
	u8                   ep_id;
	u8                   er_id;
	u8                   port_id;

	u16                  host_total_func;
	u8                   host_pf_num;
	u8                   pf_id_start;
	u16                  host_vf_num;
	u16                  vf_id_start;
	u8                   host_oq_id_mask_val;
	u8                   timer_en;
	u8                   host_valid_bitmap;
	u8                   rsvd_host;

	u16                  svc_cap_en;
	u16                  max_vf;
	u8                   flexq_en;
	u8                   valid_cos_bitmap;
	u8                   port_cos_valid_bitmap;
	u8                   rsvd2[45];

	/* l2nic */
	u16                  nic_max_sq_id;
	u16                  nic_max_rq_id;
	u16                  nic_default_num_queues;

	u8                   rsvd3[250];
};

/* COMM Commands between Driver to fw */
enum comm_cmd {
	/* Commands for clearing FLR and resources */
	COMM_CMD_FUNC_RESET              = 0,
	COMM_CMD_FEATURE_NEGO            = 1,
	COMM_CMD_FLUSH_DOORBELL          = 2,
	COMM_CMD_START_FLUSH             = 3,
	COMM_CMD_GET_GLOBAL_ATTR         = 5,
	COMM_CMD_SET_FUNC_SVC_USED_STATE = 7,

	/* Driver Configuration Commands */

Annotation

Implementation Notes