xref: /freebsd/sys/cam/scsi/scsi_iu.h (revision a35d88931c87cfe6bd38f01d7bad22140b3b38f3)
1 /*
2  * This file is in the public domain.
3  * $FreeBSD$
4  */
5 #ifndef	_SCSI_SCSI_IU_H
6 #define _SCSI_SCSI_IU_H 1
7 
8 struct scsi_status_iu_header
9 {
10 	u_int8_t reserved[2];
11 	u_int8_t flags;
12 #define	SIU_SNSVALID 0x2
13 #define	SIU_RSPVALID 0x1
14 	u_int8_t status;
15 	u_int8_t sense_length[4];
16 	u_int8_t pkt_failures_length[4];
17 	u_int8_t pkt_failures[1];
18 };
19 
20 #define SIU_PKTFAIL_OFFSET(siu) 12
21 #define SIU_PKTFAIL_CODE(siu) (scsi_4btoul((siu)->pkt_failures) & 0xFF)
22 #define		SIU_PFC_NONE			0
23 #define		SIU_PFC_CIU_FIELDS_INVALID	2
24 #define		SIU_PFC_TMF_NOT_SUPPORTED	4
25 #define		SIU_PFC_TMF_FAILED		5
26 #define		SIU_PFC_INVALID_TYPE_CODE	6
27 #define		SIU_PFC_ILLEGAL_REQUEST		7
28 #define SIU_SENSE_OFFSET(siu)				\
29     (12 + (((siu)->flags & SIU_RSPVALID)		\
30 	? scsi_4btoul((siu)->pkt_failures_length)	\
31 	: 0))
32 
33 #define	SIU_TASKMGMT_NONE		0x00
34 #define	SIU_TASKMGMT_ABORT_TASK		0x01
35 #define	SIU_TASKMGMT_ABORT_TASK_SET	0x02
36 #define	SIU_TASKMGMT_CLEAR_TASK_SET	0x04
37 #define	SIU_TASKMGMT_LUN_RESET		0x08
38 #define	SIU_TASKMGMT_TARGET_RESET	0x20
39 #define	SIU_TASKMGMT_CLEAR_ACA		0x40
40 #endif /*_SCSI_SCSI_IU_H*/
41