glibc (2.38)
1 /* Copyright (C) 1998-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 /*
19 * This header file contains public constants and structures used by
20 * the scsi code for linux.
21 */
22
23 #ifndef _SCSI_SCSI_H
24 #define _SCSI_SCSI_H 1
25
26 #include <features.h>
27
28 /*
29 * SCSI opcodes
30 */
31
32 #define TEST_UNIT_READY 0x00
33 #define REZERO_UNIT 0x01
34 #define REQUEST_SENSE 0x03
35 #define FORMAT_UNIT 0x04
36 #define READ_BLOCK_LIMITS 0x05
37 #define REASSIGN_BLOCKS 0x07
38 #define READ_6 0x08
39 #define WRITE_6 0x0a
40 #define SEEK_6 0x0b
41 #define READ_REVERSE 0x0f
42 #define WRITE_FILEMARKS 0x10
43 #define SPACE 0x11
44 #define INQUIRY 0x12
45 #define RECOVER_BUFFERED_DATA 0x14
46 #define MODE_SELECT 0x15
47 #define RESERVE 0x16
48 #define RELEASE 0x17
49 #define COPY 0x18
50 #define ERASE 0x19
51 #define MODE_SENSE 0x1a
52 #define START_STOP 0x1b
53 #define RECEIVE_DIAGNOSTIC 0x1c
54 #define SEND_DIAGNOSTIC 0x1d
55 #define ALLOW_MEDIUM_REMOVAL 0x1e
56
57 #define SET_WINDOW 0x24
58 #define READ_CAPACITY 0x25
59 #define READ_10 0x28
60 #define WRITE_10 0x2a
61 #define SEEK_10 0x2b
62 #define WRITE_VERIFY 0x2e
63 #define VERIFY 0x2f
64 #define SEARCH_HIGH 0x30
65 #define SEARCH_EQUAL 0x31
66 #define SEARCH_LOW 0x32
67 #define SET_LIMITS 0x33
68 #define PRE_FETCH 0x34
69 #define READ_POSITION 0x34
70 #define SYNCHRONIZE_CACHE 0x35
71 #define LOCK_UNLOCK_CACHE 0x36
72 #define READ_DEFECT_DATA 0x37
73 #define MEDIUM_SCAN 0x38
74 #define COMPARE 0x39
75 #define COPY_VERIFY 0x3a
76 #define WRITE_BUFFER 0x3b
77 #define READ_BUFFER 0x3c
78 #define UPDATE_BLOCK 0x3d
79 #define READ_LONG 0x3e
80 #define WRITE_LONG 0x3f
81 #define CHANGE_DEFINITION 0x40
82 #define WRITE_SAME 0x41
83 #define READ_TOC 0x43
84 #define LOG_SELECT 0x4c
85 #define LOG_SENSE 0x4d
86 #define MODE_SELECT_10 0x55
87 #define RESERVE_10 0x56
88 #define RELEASE_10 0x57
89 #define MODE_SENSE_10 0x5a
90 #define PERSISTENT_RESERVE_IN 0x5e
91 #define PERSISTENT_RESERVE_OUT 0x5f
92 #define MOVE_MEDIUM 0xa5
93 #define READ_12 0xa8
94 #define WRITE_12 0xaa
95 #define WRITE_VERIFY_12 0xae
96 #define SEARCH_HIGH_12 0xb0
97 #define SEARCH_EQUAL_12 0xb1
98 #define SEARCH_LOW_12 0xb2
99 #define READ_ELEMENT_STATUS 0xb8
100 #define SEND_VOLUME_TAG 0xb6
101 #define WRITE_LONG_2 0xea
102
103 /*
104 * Status codes
105 */
106
107 #define GOOD 0x00
108 #define CHECK_CONDITION 0x01
109 #define CONDITION_GOOD 0x02
110 #define BUSY 0x04
111 #define INTERMEDIATE_GOOD 0x08
112 #define INTERMEDIATE_C_GOOD 0x0a
113 #define RESERVATION_CONFLICT 0x0c
114 #define COMMAND_TERMINATED 0x11
115 #define QUEUE_FULL 0x14
116
117 #define STATUS_MASK 0x3e
118
119 /*
120 * SENSE KEYS
121 */
122
123 #define NO_SENSE 0x00
124 #define RECOVERED_ERROR 0x01
125 #define NOT_READY 0x02
126 #define MEDIUM_ERROR 0x03
127 #define HARDWARE_ERROR 0x04
128 #define ILLEGAL_REQUEST 0x05
129 #define UNIT_ATTENTION 0x06
130 #define DATA_PROTECT 0x07
131 #define BLANK_CHECK 0x08
132 #define COPY_ABORTED 0x0a
133 #define ABORTED_COMMAND 0x0b
134 #define VOLUME_OVERFLOW 0x0d
135 #define MISCOMPARE 0x0e
136
137
138 /*
139 * DEVICE TYPES
140 */
141
142 #define TYPE_DISK 0x00
143 #define TYPE_TAPE 0x01
144 #define TYPE_PROCESSOR 0x03 /* HP scanners use this */
145 #define TYPE_WORM 0x04 /* Treated as ROM by our system */
146 #define TYPE_ROM 0x05
147 #define TYPE_SCANNER 0x06
148 #define TYPE_MOD 0x07 /* Magneto-optical disk -
149 * - treated as TYPE_DISK */
150 #define TYPE_MEDIUM_CHANGER 0x08
151 #define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */
152 #define TYPE_NO_LUN 0x7f
153
154 /*
155 * standard mode-select header prepended to all mode-select commands
156 *
157 * moved here from cdrom.h -- kraxel
158 */
159
160 struct ccs_modesel_head
161 {
162 unsigned char _r1; /* reserved. */
163 unsigned char medium; /* device-specific medium type. */
164 unsigned char _r2; /* reserved. */
165 unsigned char block_desc_length; /* block descriptor length. */
166 unsigned char density; /* device-specific density code. */
167 unsigned char number_blocks_hi; /* number of blocks in this block
168 desc. */
169 unsigned char number_blocks_med;
170 unsigned char number_blocks_lo;
171 unsigned char _r3;
172 unsigned char block_length_hi; /* block length for blocks in this
173 desc. */
174 unsigned char block_length_med;
175 unsigned char block_length_lo;
176 };
177
178 /*
179 * MESSAGE CODES
180 */
181
182 #define COMMAND_COMPLETE 0x00
183 #define EXTENDED_MESSAGE 0x01
184 #define EXTENDED_MODIFY_DATA_POINTER 0x00
185 #define EXTENDED_SDTR 0x01
186 #define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */
187 #define EXTENDED_WDTR 0x03
188 #define SAVE_POINTERS 0x02
189 #define RESTORE_POINTERS 0x03
190 #define DISCONNECT 0x04
191 #define INITIATOR_ERROR 0x05
192 #define ABORT 0x06
193 #define MESSAGE_REJECT 0x07
194 #define NOP 0x08
195 #define MSG_PARITY_ERROR 0x09
196 #define LINKED_CMD_COMPLETE 0x0a
197 #define LINKED_FLG_CMD_COMPLETE 0x0b
198 #define BUS_DEVICE_RESET 0x0c
199
200 #define INITIATE_RECOVERY 0x0f /* SCSI-II only */
201 #define RELEASE_RECOVERY 0x10 /* SCSI-II only */
202
203 #define SIMPLE_QUEUE_TAG 0x20
204 #define HEAD_OF_QUEUE_TAG 0x21
205 #define ORDERED_QUEUE_TAG 0x22
206
207 /*
208 * Here are some scsi specific ioctl commands which are sometimes useful.
209 */
210 /* These are a few other constants only used by scsi devices. */
211
212 #define SCSI_IOCTL_GET_IDLUN 0x5382
213
214 /* Used to turn on and off tagged queuing for scsi devices. */
215
216 #define SCSI_IOCTL_TAGGED_ENABLE 0x5383
217 #define SCSI_IOCTL_TAGGED_DISABLE 0x5384
218
219 /* Used to obtain the host number of a device. */
220 #define SCSI_IOCTL_PROBE_HOST 0x5385
221
222 /* Used to get the bus number for a device. */
223 #define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
224
225 #endif /* scsi/scsi.h */
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