1 /*        $NetBSD: scsi_iu.h,v 1.5 2005/12/11 12:23:50 christos Exp $ */
2 
3 /*
4  * This file is in the public domain.
5  * $FreeBSD: src/sys/cam/scsi/scsi_iu.h,v 1.2 2003/01/20 18:05:46 gibbs Exp $
6  */
7 #ifndef   _SCSI_SCSI_IU_H
8 #define _SCSI_SCSI_IU_H 1
9 
10 struct scsi_status_iu_header
11 {
12           u_int8_t reserved[2];
13           u_int8_t flags;
14 #define   SIU_SNSVALID 0x2
15 #define   SIU_RSPVALID 0x1
16           u_int8_t status;
17           u_int8_t sense_length[4];
18           u_int8_t pkt_failures_length[4];
19           u_int8_t pkt_failures[1];
20 };
21 
22 #define SIU_PKTFAIL_OFFSET(siu) 12
23 #define SIU_PKTFAIL_CODE(siu) (scsi_4btoul((siu)->pkt_failures) & 0xFF)
24 #define             SIU_PFC_NONE                            0
25 #define             SIU_PFC_CIU_FIELDS_INVALID    2
26 #define             SIU_PFC_TMF_NOT_SUPPORTED     4
27 #define             SIU_PFC_TMF_FAILED            5
28 #define             SIU_PFC_INVALID_TYPE_CODE     6
29 #define             SIU_PFC_ILLEGAL_REQUEST                 7
30 #define SIU_SENSE_OFFSET(siu)                               \
31     (12 + (((siu)->flags & SIU_RSPVALID)                    \
32           ? scsi_4btoul((siu)->pkt_failures_length)         \
33           : 0))
34 
35 #define   SIU_TASKMGMT_NONE             0x00
36 #define   SIU_TASKMGMT_ABORT_TASK                 0x01
37 #define   SIU_TASKMGMT_ABORT_TASK_SET   0x02
38 #define   SIU_TASKMGMT_CLEAR_TASK_SET   0x04
39 #define   SIU_TASKMGMT_LUN_RESET                  0x08
40 #define   SIU_TASKMGMT_TARGET_RESET     0x20
41 #define   SIU_TASKMGMT_CLEAR_ACA                  0x40
42 #endif /*_SCSI_SCSI_IU_H*/
43