xref: /freebsd/sys/cam/scsi/scsi_iu.h (revision 2ff63af9b88c7413b7d71715b5532625752a248e)
1 /*-
2  * This file is in the public domain.
3  */
4 #ifndef	_SCSI_SCSI_IU_H
5 #define _SCSI_SCSI_IU_H 1
6 
7 struct scsi_status_iu_header
8 {
9 	uint8_t reserved[2];
10 	uint8_t flags;
11 #define	SIU_SNSVALID 0x2
12 #define	SIU_RSPVALID 0x1
13 	uint8_t status;
14 	uint8_t sense_length[4];
15 	uint8_t pkt_failures_length[4];
16 	uint8_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