5 * This header file contains public constants and structures used by
6 * the scsi code for linux.
10 $Header: /usr/src/linux/include/linux/RCS/scsi.h,v 1.3 1993/09/24 12:20:33 drew Exp $
12 For documentation on the OPCODES, MESSAGES, and SENSE values,
13 please consult the SCSI standard.
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
30 #define READ_REVERSE 0x0f
31 #define WRITE_FILEMARKS 0x10
34 #define RECOVER_BUFFERED_DATA 0x14
35 #define MODE_SELECT 0x15
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
46 #define SET_WINDOW 0x24
47 #define READ_CAPACITY 0x25
51 #define WRITE_VERIFY 0x2e
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
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
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 REPORT_LUNS 0xa0
82 #define MOVE_MEDIUM 0xa5
85 #define WRITE_VERIFY_12 0xae
86 #define SEARCH_HIGH_12 0xb0
87 #define SEARCH_EQUAL_12 0xb1
88 #define SEARCH_LOW_12 0xb2
89 #define READ_ELEMENT_STATUS 0xb8
90 #define SEND_VOLUME_TAG 0xb6
91 #define WRITE_LONG_2 0xea
94 #define VERIFY_16 0x8f
95 #define SERVICE_ACTION_IN 0x9e
96 /* values for service action in */
97 #define SAI_READ_CAPACITY_16 0x10
99 /* Values for T10/04-262r7 */
100 #define ATA_16 0x85 /* 16-byte pass-thru */
101 #define ATA_12 0xa1 /* 12-byte pass-thru */
103 #define SCSI_RETRY_10(c) ((c) == READ_6 || (c) == WRITE_6 || (c) == SEEK_6)
106 * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft
107 * T10/1561-D Revision 4 Draft dated 7th November 2002.
109 #define SAM_STAT_GOOD 0x00
110 #define SAM_STAT_CHECK_CONDITION 0x02
111 #define SAM_STAT_CONDITION_MET 0x04
112 #define SAM_STAT_BUSY 0x08
113 #define SAM_STAT_INTERMEDIATE 0x10
114 #define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14
115 #define SAM_STAT_RESERVATION_CONFLICT 0x18
116 #define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */
117 #define SAM_STAT_TASK_SET_FULL 0x28
118 #define SAM_STAT_ACA_ACTIVE 0x30
119 #define SAM_STAT_TASK_ABORTED 0x40
126 #define CHECK_CONDITION 0x01
127 #define CONDITION_GOOD 0x02
129 #define INTERMEDIATE_GOOD 0x08
130 #define INTERMEDIATE_C_GOOD 0x0a
131 #define RESERVATION_CONFLICT 0x0c
132 #define COMMAND_TERMINATED 0x11
133 #define QUEUE_FULL 0x14
135 #define STATUS_MASK 0x3e
141 #define NO_SENSE 0x00
142 #define RECOVERED_ERROR 0x01
143 #define NOT_READY 0x02
144 #define MEDIUM_ERROR 0x03
145 #define HARDWARE_ERROR 0x04
146 #define ILLEGAL_REQUEST 0x05
147 #define UNIT_ATTENTION 0x06
148 #define DATA_PROTECT 0x07
149 #define BLANK_CHECK 0x08
150 #define COPY_ABORTED 0x0a
151 #define ABORTED_COMMAND 0x0b
152 #define VOLUME_OVERFLOW 0x0d
153 #define MISCOMPARE 0x0e
160 #define TYPE_DISK 0x00
161 #define TYPE_TAPE 0x01
162 #define TYPE_PRINTER 0x02
163 #define TYPE_PROCESSOR 0x03 /* HP scanners use this */
164 #define TYPE_WORM 0x04 /* Treated as ROM by our system */
165 #define TYPE_ROM 0x05
166 #define TYPE_SCANNER 0x06
167 #define TYPE_MOD 0x07 /* Magneto-optical disk -
168 * - treated as TYPE_DISK */
169 #define TYPE_MEDIUM_CHANGER 0x08
170 #define TYPE_COMM 0x09 /* Communications device */
171 #define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */
172 #define TYPE_NO_LUN 0x7f
175 * standard mode-select header prepended to all mode-select commands
177 * moved here from cdrom.h -- kraxel
180 struct ccs_modesel_head
182 u_char _r1; /* reserved */
183 u_char medium; /* device-specific medium type */
184 u_char _r2; /* reserved */
185 u_char block_desc_length; /* block descriptor length */
186 u_char density; /* device-specific density code */
187 u_char number_blocks_hi; /* number of blocks in this block desc */
188 u_char number_blocks_med;
189 u_char number_blocks_lo;
191 u_char block_length_hi; /* block length for blocks in this desc */
192 u_char block_length_med;
193 u_char block_length_lo;
200 #define COMMAND_COMPLETE 0x00
201 #define EXTENDED_MESSAGE 0x01
202 #define EXTENDED_MODIFY_DATA_POINTER 0x00
203 #define EXTENDED_SDTR 0x01
204 #define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */
205 #define EXTENDED_WDTR 0x03
206 #define SAVE_POINTERS 0x02
207 #define RESTORE_POINTERS 0x03
208 #define DISCONNECT 0x04
209 #define INITIATOR_ERROR 0x05
211 #define MESSAGE_REJECT 0x07
213 #define MSG_PARITY_ERROR 0x09
214 #define LINKED_CMD_COMPLETE 0x0a
215 #define LINKED_FLG_CMD_COMPLETE 0x0b
216 #define BUS_DEVICE_RESET 0x0c
218 #define INITIATE_RECOVERY 0x0f /* SCSI-II only */
219 #define RELEASE_RECOVERY 0x10 /* SCSI-II only */
221 #define SIMPLE_QUEUE_TAG 0x20
222 #define HEAD_OF_QUEUE_TAG 0x21
223 #define ORDERED_QUEUE_TAG 0x22
226 * Here are some scsi specific ioctl commands which are sometimes useful.
228 /* These are a few other constants only used by scsi devices */
229 /* Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395 */
231 #define SCSI_IOCTL_GET_IDLUN 0x5382 /* conflicts with CDROMAUDIOBUFSIZ */
233 /* Used to turn on and off tagged queuing for scsi devices */
235 #define SCSI_IOCTL_TAGGED_ENABLE 0x5383
236 #define SCSI_IOCTL_TAGGED_DISABLE 0x5384
238 /* Used to obtain the host number of a device. */
239 #define SCSI_IOCTL_PROBE_HOST 0x5385
241 /* Used to get the bus number for a device */
242 #define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
244 /* Used to get the PCI location of a device */
245 #define SCSI_IOCTL_GET_PCI 0x5387
248 * Overrides for Emacs so that we follow Linus's tabbing style.
249 * Emacs will notice this stuff at the end of the file and automatically
250 * adjust the settings for this buffer only. This must remain at the end
252 * ---------------------------------------------------------------------------
255 * c-brace-imaginary-offset: 0
257 * c-argdecl-indent: 4
259 * c-continued-statement-offset: 4
260 * c-continued-brace-offset: 0
261 * indent-tabs-mode: nil