drivers/net/ethernet/intel/ice/ice_sbq_cmd.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/intel/ice/ice_sbq_cmd.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/intel/ice/ice_sbq_cmd.h
Extension
.h
Size
1647 bytes
Lines
94
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 ice_sbq_cmd_desc {
	__le16 flags;
	__le16 opcode;
	__le16 datalen;
	__le16 cmd_retval;

	/* Opaque message data */
	__le32 cookie_high;
	__le32 cookie_low;

	union {
		__le16 cmd_len;
		__le16 cmpl_len;
	} param0;

	u8 reserved[6];
	__le32 addr_high;
	__le32 addr_low;
};

struct ice_sbq_evt_desc {
	__le16 flags;
	__le16 opcode;
	__le16 datalen;
	__le16 cmd_retval;
	u8 data[24];
};

enum ice_sbq_dev_id {
	ice_sbq_dev_phy_0	= 0x02,
	ice_sbq_dev_cgu		= 0x06,
	ice_sbq_dev_phy_0_peer	= 0x0D,
	ice_sbq_dev_cgu_peer	= 0x0F,
};

enum ice_sbq_msg_opcode {
	ice_sbq_msg_rd		= 0x00,
	ice_sbq_msg_wr		= 0x01,
	ice_sbq_msg_wr_np	= 0x02
};

#define ICE_SBQ_MSG_FLAGS	0x40
#define ICE_SBQ_MSG_SBE_FBE	0x0F

struct ice_sbq_msg_req {
	u8 dest_dev;
	u8 src_dev;
	u8 opcode;
	u8 flags;
	u8 sbe_fbe;
	u8 func_id;
	__le16 msg_addr_low;
	__le32 msg_addr_high;
	__le32 data;
};

struct ice_sbq_msg_cmpl {
	u8 dest_dev;
	u8 src_dev;
	u8 opcode;
	u8 flags;
	__le32 data;
};

/* Internal struct */
struct ice_sbq_msg_input {
	u8 dest_dev;
	u8 opcode;
	u16 msg_addr_low;
	u32 msg_addr_high;
	u32 data;
};
#endif /* _ICE_SBQ_CMD_H_ */

Annotation

Implementation Notes