iscsi_bhs_scsi_command Struct Reference

iSCSI SCSI command basic header segment More...

#include <iscsi.h>

Data Fields
uint8_t	opcode
	Opcode.
uint8_t	flags
	Flags.
uint16_t	reserved_a
	Reserved.
union iscsi_segment_lengths	lengths
	Segment lengths.
struct scsi_lun	lun
	SCSI Logical Unit Number.
uint32_t	itt
	Initiator Task Tag.
uint32_t	exp_len
	Expected data transfer length.
uint32_t	cmdsn
	Command sequence number.
uint32_t	expstatsn
	Expected status sequence number.
union scsi_cdb	cdb
	SCSI Command Descriptor Block (CDB).

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Detailed Description

iSCSI SCSI command basic header segment

Definition at line 242 of file iscsi.h.

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Field Documentation

uint8_t iscsi_bhs_scsi_command::opcode

Opcode.

Definition at line 244 of file iscsi.h.

Referenced by iscsi_start_command().

uint8_t iscsi_bhs_scsi_command::flags

Flags.

Definition at line 246 of file iscsi.h.

Referenced by iscsi_start_command().

uint16_t iscsi_bhs_scsi_command::reserved_a

Reserved.

Definition at line 248 of file iscsi.h.

union iscsi_segment_lengths iscsi_bhs_scsi_command::lengths [write]

Segment lengths.

Definition at line 250 of file iscsi.h.

struct scsi_lun iscsi_bhs_scsi_command::lun [read]

SCSI Logical Unit Number.

Definition at line 252 of file iscsi.h.

Referenced by iscsi_start_command().

uint32_t iscsi_bhs_scsi_command::itt

Initiator Task Tag.

Definition at line 254 of file iscsi.h.

Referenced by iscsi_start_command().

uint32_t iscsi_bhs_scsi_command::exp_len

Expected data transfer length.

Definition at line 256 of file iscsi.h.

Referenced by iscsi_start_command().

uint32_t iscsi_bhs_scsi_command::cmdsn

Command sequence number.

Definition at line 258 of file iscsi.h.

Referenced by iscsi_start_command().

uint32_t iscsi_bhs_scsi_command::expstatsn

Expected status sequence number.

Definition at line 260 of file iscsi.h.

Referenced by iscsi_start_command().

union scsi_cdb iscsi_bhs_scsi_command::cdb [write]

SCSI Command Descriptor Block (CDB).

Definition at line 262 of file iscsi.h.

Referenced by iscsi_start_command().

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The documentation for this struct was generated from the following file:

• include/gpxe/iscsi.h