1/* $NetBSD: scsi_all.h,v 1.25 2012/02/25 10:17:14 shattered Exp $ */
2
3/*
4 * SCSI-specific interface description.
5 */
6
7/*
8 * Largely written by Julian Elischer (julian@tfs.com)
9 * for TRW Financial Systems.
10 *
11 * TRW Financial Systems, in accordance with their agreement with Carnegie
12 * Mellon University, makes this software available to CMU to distribute
13 * or use in any manner that they see fit as long as this message is kept with
14 * the software. For this reason TFS also grants any other persons or
15 * organisations permission to use or modify this software.
16 *
17 * TFS supplies this software to be publicly redistributed
18 * on the understanding that TFS is not responsible for the correct
19 * functioning of this software in any circumstances.
20 *
21 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
22 */
23
24#ifndef _DEV_SCSIPI_SCSI_ALL_H_
25#define _DEV_SCSIPI_SCSI_ALL_H_
26
27/*
28 * Define some bits that are in ALL (or a lot of) scsi commands
29 */
30#define SCSI_CTL_LINK 0x01
31#define SCSI_CTL_FLAG 0x02
32#define SCSI_CTL_VENDOR 0xC0
33
34
35/*
36 * Some old SCSI devices need the LUN to be set in the top 3 bits of the
37 * second byte of the CDB.
38 */
39#define SCSI_CMD_LUN_MASK 0xe0
40#define SCSI_CMD_LUN_SHIFT 5
41
42#define SCSI_CHANGE_DEFINITION 0x40
43struct scsi_changedef {
44 u_int8_t opcode;
45 u_int8_t byte2;
46 u_int8_t unused1;
47 u_int8_t how;
48 u_int8_t unused[4];
49 u_int8_t datalen;
50 u_int8_t control;
51};
52#define SC_SCSI_1 0x01
53#define SC_SCSI_2 0x03
54
55/*
56 * Status Byte
57 */
58#define SCSI_OK 0x00
59#define SCSI_CHECK 0x02
60#define SCSI_BUSY 0x08
61#define SCSI_INTERM 0x10
62#define SCSI_RESV_CONFLICT 0x18
63#define SCSI_TERMINATED 0x22
64#define SCSI_QUEUE_FULL 0x28
65#define SCSI_ACA_ACTIVE 0x30
66
67#endif /* _DEV_SCSIPI_SCSI_ALL_H_ */
68