1/*
2 * This file is in the public domain.
3 */
4#ifndef	_SCSI_SCSI_IU_H
5#define _SCSI_SCSI_IU_H 1
6
7struct scsi_status_iu_header
8{
9	u_int8_t reserved[2];
10	u_int8_t flags;
11#define	SIU_SNSVALID 0x2
12#define	SIU_RSPVALID 0x1
13	u_int8_t status;
14	u_int8_t sense_length[4];
15	u_int8_t pkt_failures_length[4];
16	u_int8_t pkt_failures[1];
17};
18
19#define SIU_PKTFAIL_OFFSET(siu) 12
20#define SIU_PKTFAIL_CODE(siu) (scsi_4btoul((siu)->pkt_failures) & 0xFF)
21#define		SIU_PFC_NONE			0
22#define		SIU_PFC_CIU_FIELDS_INVALID	2
23#define		SIU_PFC_TMF_NOT_SUPPORTED	4
24#define		SIU_PFC_TMF_FAILED		5
25#define		SIU_PFC_INVALID_TYPE_CODE	6
26#define		SIU_PFC_ILLEGAL_REQUEST		7
27#define SIU_SENSE_OFFSET(siu)				\
28    (12 + (((siu)->flags & SIU_RSPVALID)		\
29	? scsi_4btoul((siu)->pkt_failures_length)	\
30	: 0))
31
32#define	SIU_TASKMGMT_NONE		0x00
33#define	SIU_TASKMGMT_ABORT_TASK		0x01
34#define	SIU_TASKMGMT_ABORT_TASK_SET	0x02
35#define	SIU_TASKMGMT_CLEAR_TASK_SET	0x04
36#define	SIU_TASKMGMT_LUN_RESET		0x08
37#define	SIU_TASKMGMT_TARGET_RESET	0x20
38#define	SIU_TASKMGMT_CLEAR_ACA		0x40
39#endif /*_SCSI_SCSI_IU_H*/
40