1#ifndef _LINUX_SCSI_H
2#define _LINUX_SCSI_H
3
4/*
5 * This header file contains public constants and structures used by
6 * the scsi code for linux.
7 */
8
9/*
10    $Header: /home/user/PROJECT/WL-520gu-NewUI/src/router/iproute2/reference/scsi/scsi.h,v 1.1.1.1 2008/10/15 03:29:29 james26_jang Exp $
11
12    For documentation on the OPCODES, MESSAGES, and SENSE values,
13    please consult the SCSI standard.
14
15*/
16
17/*
18 *      SCSI opcodes
19 */
20
21#define TEST_UNIT_READY       0x00
22#define REZERO_UNIT           0x01
23#define REQUEST_SENSE         0x03
24#define FORMAT_UNIT           0x04
25#define READ_BLOCK_LIMITS     0x05
26#define REASSIGN_BLOCKS       0x07
27#define READ_6                0x08
28#define WRITE_6               0x0a
29#define SEEK_6                0x0b
30#define READ_REVERSE          0x0f
31#define WRITE_FILEMARKS       0x10
32#define SPACE                 0x11
33#define INQUIRY               0x12
34#define RECOVER_BUFFERED_DATA 0x14
35#define MODE_SELECT           0x15
36#define RESERVE               0x16
37#define RELEASE               0x17
38#define COPY                  0x18
39#define ERASE                 0x19
40#define MODE_SENSE            0x1a
41#define START_STOP            0x1b
42#define RECEIVE_DIAGNOSTIC    0x1c
43#define SEND_DIAGNOSTIC       0x1d
44#define ALLOW_MEDIUM_REMOVAL  0x1e
45
46#define SET_WINDOW            0x24
47#define READ_CAPACITY         0x25
48#define READ_10               0x28
49#define WRITE_10              0x2a
50#define SEEK_10               0x2b
51#define WRITE_VERIFY          0x2e
52#define VERIFY                0x2f
53#define SEARCH_HIGH           0x30
54#define SEARCH_EQUAL          0x31
55#define SEARCH_LOW            0x32
56#define SET_LIMITS            0x33
57#define PRE_FETCH             0x34
58#define READ_POSITION         0x34
59#define SYNCHRONIZE_CACHE     0x35
60#define LOCK_UNLOCK_CACHE     0x36
61#define READ_DEFECT_DATA      0x37
62#define MEDIUM_SCAN           0x38
63#define COMPARE               0x39
64#define COPY_VERIFY           0x3a
65#define WRITE_BUFFER          0x3b
66#define READ_BUFFER           0x3c
67#define UPDATE_BLOCK          0x3d
68#define READ_LONG             0x3e
69#define WRITE_LONG            0x3f
70#define CHANGE_DEFINITION     0x40
71#define WRITE_SAME            0x41
72#define READ_TOC              0x43
73#define LOG_SELECT            0x4c
74#define LOG_SENSE             0x4d
75#define MODE_SELECT_10        0x55
76#define RESERVE_10            0x56
77#define RELEASE_10            0x57
78#define MODE_SENSE_10         0x5a
79#define PERSISTENT_RESERVE_IN 0x5e
80#define PERSISTENT_RESERVE_OUT 0x5f
81#define MOVE_MEDIUM           0xa5
82#define READ_12               0xa8
83#define WRITE_12              0xaa
84#define WRITE_VERIFY_12       0xae
85#define SEARCH_HIGH_12        0xb0
86#define SEARCH_EQUAL_12       0xb1
87#define SEARCH_LOW_12         0xb2
88#define READ_ELEMENT_STATUS   0xb8
89#define SEND_VOLUME_TAG       0xb6
90#define WRITE_LONG_2          0xea
91
92#define SCSI_RETRY_10(c) ((c) == READ_6 || (c) == WRITE_6 || (c) == SEEK_6)
93
94/*
95 *  Status codes
96 */
97
98#define GOOD                 0x00
99#define CHECK_CONDITION      0x01
100#define CONDITION_GOOD       0x02
101#define BUSY                 0x04
102#define INTERMEDIATE_GOOD    0x08
103#define INTERMEDIATE_C_GOOD  0x0a
104#define RESERVATION_CONFLICT 0x0c
105#define COMMAND_TERMINATED   0x11
106#define QUEUE_FULL           0x14
107
108#define STATUS_MASK          0x3e
109
110/*
111 *  SENSE KEYS
112 */
113
114#define NO_SENSE            0x00
115#define RECOVERED_ERROR     0x01
116#define NOT_READY           0x02
117#define MEDIUM_ERROR        0x03
118#define HARDWARE_ERROR      0x04
119#define ILLEGAL_REQUEST     0x05
120#define UNIT_ATTENTION      0x06
121#define DATA_PROTECT        0x07
122#define BLANK_CHECK         0x08
123#define COPY_ABORTED        0x0a
124#define ABORTED_COMMAND     0x0b
125#define VOLUME_OVERFLOW     0x0d
126#define MISCOMPARE          0x0e
127
128
129/*
130 *  DEVICE TYPES
131 */
132
133#define TYPE_DISK           0x00
134#define TYPE_TAPE           0x01
135#define TYPE_PRINTER        0x02
136#define TYPE_PROCESSOR      0x03    /* HP scanners use this */
137#define TYPE_WORM           0x04    /* Treated as ROM by our system */
138#define TYPE_ROM            0x05
139#define TYPE_SCANNER        0x06
140#define TYPE_MOD            0x07    /* Magneto-optical disk -
141				     * - treated as TYPE_DISK */
142#define TYPE_MEDIUM_CHANGER 0x08
143#define TYPE_COMM           0x09    /* Communications device */
144#define TYPE_ENCLOSURE      0x0d    /* Enclosure Services Device */
145#define TYPE_NO_LUN         0x7f
146
147/*
148 * standard mode-select header prepended to all mode-select commands
149 *
150 * moved here from cdrom.h -- kraxel
151 */
152
153struct ccs_modesel_head
154{
155    u_char  _r1;    /* reserved */
156    u_char  medium; /* device-specific medium type */
157    u_char  _r2;    /* reserved */
158    u_char  block_desc_length; /* block descriptor length */
159    u_char  density; /* device-specific density code */
160    u_char  number_blocks_hi; /* number of blocks in this block desc */
161    u_char  number_blocks_med;
162    u_char  number_blocks_lo;
163    u_char  _r3;
164    u_char  block_length_hi; /* block length for blocks in this desc */
165    u_char  block_length_med;
166    u_char  block_length_lo;
167};
168
169/*
170 *  MESSAGE CODES
171 */
172
173#define COMMAND_COMPLETE    0x00
174#define EXTENDED_MESSAGE    0x01
175#define     EXTENDED_MODIFY_DATA_POINTER    0x00
176#define     EXTENDED_SDTR                   0x01
177#define     EXTENDED_EXTENDED_IDENTIFY      0x02    /* SCSI-I only */
178#define     EXTENDED_WDTR                   0x03
179#define SAVE_POINTERS       0x02
180#define RESTORE_POINTERS    0x03
181#define DISCONNECT          0x04
182#define INITIATOR_ERROR     0x05
183#define ABORT               0x06
184#define MESSAGE_REJECT      0x07
185#define NOP                 0x08
186#define MSG_PARITY_ERROR    0x09
187#define LINKED_CMD_COMPLETE 0x0a
188#define LINKED_FLG_CMD_COMPLETE 0x0b
189#define BUS_DEVICE_RESET    0x0c
190
191#define INITIATE_RECOVERY   0x0f            /* SCSI-II only */
192#define RELEASE_RECOVERY    0x10            /* SCSI-II only */
193
194#define SIMPLE_QUEUE_TAG    0x20
195#define HEAD_OF_QUEUE_TAG   0x21
196#define ORDERED_QUEUE_TAG   0x22
197
198/*
199 * Here are some scsi specific ioctl commands which are sometimes useful.
200 */
201/* These are a few other constants  only used by scsi  devices */
202/* Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395 */
203
204#define SCSI_IOCTL_GET_IDLUN 0x5382	/* conflicts with CDROMAUDIOBUFSIZ */
205
206/* Used to turn on and off tagged queuing for scsi devices */
207
208#define SCSI_IOCTL_TAGGED_ENABLE 0x5383
209#define SCSI_IOCTL_TAGGED_DISABLE 0x5384
210
211/* Used to obtain the host number of a device. */
212#define SCSI_IOCTL_PROBE_HOST 0x5385
213
214/* Used to get the bus number for a device */
215#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
216
217/* Used to get the PCI location of a device */
218#define SCSI_IOCTL_GET_PCI 0x5387
219
220/*
221 * Overrides for Emacs so that we follow Linus's tabbing style.
222 * Emacs will notice this stuff at the end of the file and automatically
223 * adjust the settings for this buffer only.  This must remain at the end
224 * of the file.
225 * ---------------------------------------------------------------------------
226 * Local variables:
227 * c-indent-level: 4
228 * c-brace-imaginary-offset: 0
229 * c-brace-offset: -4
230 * c-argdecl-indent: 4
231 * c-label-offset: -4
232 * c-continued-statement-offset: 4
233 * c-continued-brace-offset: 0
234 * indent-tabs-mode: nil
235 * tab-width: 8
236 * End:
237 */
238
239#endif
240