include/scsi/scsi_bsg_iscsi.h

Source file repositories/reference/linux-study-clean/include/scsi/scsi_bsg_iscsi.h

File Facts

System
Linux kernel
Corpus path
include/scsi/scsi_bsg_iscsi.h
Extension
.h
Size
2229 bytes
Lines
97
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

struct iscsi_bsg_host_vendor {
	/*
	 * Identifies the vendor that the message is formatted for. This
	 * should be the recipient of the message.
	 */
	uint64_t vendor_id;

	/* start of vendor command area */
	uint32_t vendor_cmd[];
};

/* Response:
 */
struct iscsi_bsg_host_vendor_reply {
	/* start of vendor response area */
	DECLARE_FLEX_ARRAY(uint32_t, vendor_rsp);
};


/* request (CDB) structure of the sg_io_v4 */
struct iscsi_bsg_request {
	uint32_t msgcode;
	union {
		struct iscsi_bsg_host_vendor    h_vendor;
	} rqst_data;
} __attribute__((packed));


/* response (request sense data) structure of the sg_io_v4 */
struct iscsi_bsg_reply {
	/*
	 * The completion result. Result exists in two forms:
	 * if negative, it is an -Exxx system errno value. There will
	 * be no further reply information supplied.
	 * else, it's the 4-byte scsi error result, with driver, host,
	 * msg and status fields. The per-msgcode reply structure
	 * will contain valid data.
	 */
	uint32_t result;

	/* If there was reply_payload, how much was received ? */
	uint32_t reply_payload_rcv_len;

	union {
		struct iscsi_bsg_host_vendor_reply      vendor_reply;
	} reply_data;
};


#endif /* SCSI_BSG_ISCSI_H */

Annotation

Implementation Notes