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 |
43 | struct 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 | |