drivers/target/target_core_transport.c

Source file repositories/reference/linux-study-clean/drivers/target/target_core_transport.c

File Facts

System
Linux kernel
Corpus path
drivers/target/target_core_transport.c
Extension
.c
Size
102684 bytes
Lines
3727
Domain
Driver Families
Bucket
drivers/target
Inferred role
Driver Families: exported/initcall integration point
Status
integration 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 sense_detail {
	u8 key;
	u8 asc;
	u8 ascq;
	bool add_sense_info;
};

static const struct sense_detail sense_detail_table[] = {
	[TCM_NO_SENSE] = {
		.key = NOT_READY
	},
	[TCM_NON_EXISTENT_LUN] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x25 /* LOGICAL UNIT NOT SUPPORTED */
	},
	[TCM_UNSUPPORTED_SCSI_OPCODE] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x20, /* INVALID COMMAND OPERATION CODE */
	},
	[TCM_SECTOR_COUNT_TOO_MANY] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x20, /* INVALID COMMAND OPERATION CODE */
	},
	[TCM_UNKNOWN_MODE_PAGE] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x24, /* INVALID FIELD IN CDB */
	},
	[TCM_CHECK_CONDITION_ABORT_CMD] = {
		.key = ABORTED_COMMAND,
		.asc = 0x29, /* BUS DEVICE RESET FUNCTION OCCURRED */
		.ascq = 0x03,
	},
	[TCM_INCORRECT_AMOUNT_OF_DATA] = {
		.key = ABORTED_COMMAND,
		.asc = 0x0c, /* WRITE ERROR */
		.ascq = 0x0d, /* NOT ENOUGH UNSOLICITED DATA */
	},
	[TCM_INVALID_CDB_FIELD] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x24, /* INVALID FIELD IN CDB */
	},
	[TCM_INVALID_PARAMETER_LIST] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x26, /* INVALID FIELD IN PARAMETER LIST */
	},
	[TCM_TOO_MANY_TARGET_DESCS] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x26,
		.ascq = 0x06, /* TOO MANY TARGET DESCRIPTORS */
	},
	[TCM_UNSUPPORTED_TARGET_DESC_TYPE_CODE] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x26,
		.ascq = 0x07, /* UNSUPPORTED TARGET DESCRIPTOR TYPE CODE */
	},
	[TCM_TOO_MANY_SEGMENT_DESCS] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x26,
		.ascq = 0x08, /* TOO MANY SEGMENT DESCRIPTORS */
	},
	[TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x26,
		.ascq = 0x09, /* UNSUPPORTED SEGMENT DESCRIPTOR TYPE CODE */
	},
	[TCM_PARAMETER_LIST_LENGTH_ERROR] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x1a, /* PARAMETER LIST LENGTH ERROR */
	},
	[TCM_UNEXPECTED_UNSOLICITED_DATA] = {
		.key = ILLEGAL_REQUEST,
		.asc = 0x0c, /* WRITE ERROR */
		.ascq = 0x0c, /* UNEXPECTED_UNSOLICITED_DATA */
	},
	[TCM_SERVICE_CRC_ERROR] = {
		.key = ABORTED_COMMAND,
		.asc = 0x47, /* PROTOCOL SERVICE CRC ERROR */
		.ascq = 0x05, /* N/A */
	},
	[TCM_SNACK_REJECTED] = {
		.key = ABORTED_COMMAND,
		.asc = 0x11, /* READ ERROR */
		.ascq = 0x13, /* FAILED RETRANSMISSION REQUEST */
	},
	[TCM_WRITE_PROTECTED] = {
		.key = DATA_PROTECT,
		.asc = 0x27, /* WRITE PROTECTED */
	},
	[TCM_ADDRESS_OUT_OF_RANGE] = {
		.key = ILLEGAL_REQUEST,

Annotation

Implementation Notes