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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
c5f1ac8b BVA |
2 | /* |
3 | * This header file contains public constants and structures used by | |
4 | * both the SCSI initiator and the SCSI target code. | |
5 | * | |
6 | * For documentation on the OPCODES, MESSAGES, and SENSE values, | |
7 | * please consult the SCSI standard. | |
8 | */ | |
9 | ||
10 | #ifndef _SCSI_PROTO_H_ | |
11 | #define _SCSI_PROTO_H_ | |
12 | ||
13 | #include <linux/types.h> | |
14 | ||
15 | /* | |
16 | * SCSI opcodes | |
17 | */ | |
18 | ||
19 | #define TEST_UNIT_READY 0x00 | |
20 | #define REZERO_UNIT 0x01 | |
21 | #define REQUEST_SENSE 0x03 | |
22 | #define FORMAT_UNIT 0x04 | |
23 | #define READ_BLOCK_LIMITS 0x05 | |
24 | #define REASSIGN_BLOCKS 0x07 | |
25 | #define INITIALIZE_ELEMENT_STATUS 0x07 | |
26 | #define READ_6 0x08 | |
27 | #define WRITE_6 0x0a | |
28 | #define SEEK_6 0x0b | |
29 | #define READ_REVERSE 0x0f | |
30 | #define WRITE_FILEMARKS 0x10 | |
31 | #define SPACE 0x11 | |
32 | #define INQUIRY 0x12 | |
33 | #define RECOVER_BUFFERED_DATA 0x14 | |
34 | #define MODE_SELECT 0x15 | |
35 | #define RESERVE 0x16 | |
36 | #define RELEASE 0x17 | |
37 | #define COPY 0x18 | |
38 | #define ERASE 0x19 | |
39 | #define MODE_SENSE 0x1a | |
40 | #define START_STOP 0x1b | |
41 | #define RECEIVE_DIAGNOSTIC 0x1c | |
42 | #define SEND_DIAGNOSTIC 0x1d | |
43 | #define ALLOW_MEDIUM_REMOVAL 0x1e | |
44 | ||
45 | #define READ_FORMAT_CAPACITIES 0x23 | |
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 POSITION_TO_ELEMENT 0x2b | |
52 | #define WRITE_VERIFY 0x2e | |
53 | #define VERIFY 0x2f | |
54 | #define SEARCH_HIGH 0x30 | |
55 | #define SEARCH_EQUAL 0x31 | |
56 | #define SEARCH_LOW 0x32 | |
57 | #define SET_LIMITS 0x33 | |
58 | #define PRE_FETCH 0x34 | |
59 | #define READ_POSITION 0x34 | |
60 | #define SYNCHRONIZE_CACHE 0x35 | |
61 | #define LOCK_UNLOCK_CACHE 0x36 | |
62 | #define READ_DEFECT_DATA 0x37 | |
63 | #define MEDIUM_SCAN 0x38 | |
64 | #define COMPARE 0x39 | |
65 | #define COPY_VERIFY 0x3a | |
66 | #define WRITE_BUFFER 0x3b | |
67 | #define READ_BUFFER 0x3c | |
68 | #define UPDATE_BLOCK 0x3d | |
69 | #define READ_LONG 0x3e | |
70 | #define WRITE_LONG 0x3f | |
71 | #define CHANGE_DEFINITION 0x40 | |
72 | #define WRITE_SAME 0x41 | |
73 | #define UNMAP 0x42 | |
74 | #define READ_TOC 0x43 | |
75 | #define READ_HEADER 0x44 | |
76 | #define GET_EVENT_STATUS_NOTIFICATION 0x4a | |
77 | #define LOG_SELECT 0x4c | |
78 | #define LOG_SENSE 0x4d | |
79 | #define XDWRITEREAD_10 0x53 | |
80 | #define MODE_SELECT_10 0x55 | |
81 | #define RESERVE_10 0x56 | |
82 | #define RELEASE_10 0x57 | |
83 | #define MODE_SENSE_10 0x5a | |
84 | #define PERSISTENT_RESERVE_IN 0x5e | |
85 | #define PERSISTENT_RESERVE_OUT 0x5f | |
86 | #define VARIABLE_LENGTH_CMD 0x7f | |
87 | #define REPORT_LUNS 0xa0 | |
88 | #define SECURITY_PROTOCOL_IN 0xa2 | |
89 | #define MAINTENANCE_IN 0xa3 | |
90 | #define MAINTENANCE_OUT 0xa4 | |
91 | #define MOVE_MEDIUM 0xa5 | |
92 | #define EXCHANGE_MEDIUM 0xa6 | |
93 | #define READ_12 0xa8 | |
94 | #define SERVICE_ACTION_OUT_12 0xa9 | |
95 | #define WRITE_12 0xaa | |
96 | #define READ_MEDIA_SERIAL_NUMBER 0xab /* Obsolete with SPC-2 */ | |
97 | #define SERVICE_ACTION_IN_12 0xab | |
98 | #define WRITE_VERIFY_12 0xae | |
99 | #define VERIFY_12 0xaf | |
100 | #define SEARCH_HIGH_12 0xb0 | |
101 | #define SEARCH_EQUAL_12 0xb1 | |
102 | #define SEARCH_LOW_12 0xb2 | |
103 | #define SECURITY_PROTOCOL_OUT 0xb5 | |
104 | #define READ_ELEMENT_STATUS 0xb8 | |
105 | #define SEND_VOLUME_TAG 0xb6 | |
106 | #define WRITE_LONG_2 0xea | |
107 | #define EXTENDED_COPY 0x83 | |
108 | #define RECEIVE_COPY_RESULTS 0x84 | |
109 | #define ACCESS_CONTROL_IN 0x86 | |
110 | #define ACCESS_CONTROL_OUT 0x87 | |
111 | #define READ_16 0x88 | |
112 | #define COMPARE_AND_WRITE 0x89 | |
113 | #define WRITE_16 0x8a | |
114 | #define READ_ATTRIBUTE 0x8c | |
115 | #define WRITE_ATTRIBUTE 0x8d | |
c2d26f18 | 116 | #define WRITE_VERIFY_16 0x8e |
c5f1ac8b BVA |
117 | #define VERIFY_16 0x8f |
118 | #define SYNCHRONIZE_CACHE_16 0x91 | |
119 | #define WRITE_SAME_16 0x93 | |
0008f1e7 HR |
120 | #define ZBC_OUT 0x94 |
121 | #define ZBC_IN 0x95 | |
c5f1ac8b BVA |
122 | #define SERVICE_ACTION_BIDIRECTIONAL 0x9d |
123 | #define SERVICE_ACTION_IN_16 0x9e | |
124 | #define SERVICE_ACTION_OUT_16 0x9f | |
125 | /* values for service action in */ | |
126 | #define SAI_READ_CAPACITY_16 0x10 | |
127 | #define SAI_GET_LBA_STATUS 0x12 | |
128 | #define SAI_REPORT_REFERRALS 0x13 | |
c5f1ac8b BVA |
129 | /* values for maintenance in */ |
130 | #define MI_REPORT_IDENTIFYING_INFORMATION 0x05 | |
131 | #define MI_REPORT_TARGET_PGS 0x0a | |
132 | #define MI_REPORT_ALIASES 0x0b | |
133 | #define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c | |
134 | #define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d | |
135 | #define MI_REPORT_PRIORITY 0x0e | |
136 | #define MI_REPORT_TIMESTAMP 0x0f | |
137 | #define MI_MANAGEMENT_PROTOCOL_IN 0x10 | |
138 | /* value for MI_REPORT_TARGET_PGS ext header */ | |
139 | #define MI_EXT_HDR_PARAM_FMT 0x20 | |
140 | /* values for maintenance out */ | |
141 | #define MO_SET_IDENTIFYING_INFORMATION 0x06 | |
142 | #define MO_SET_TARGET_PGS 0x0a | |
143 | #define MO_CHANGE_ALIASES 0x0b | |
144 | #define MO_SET_PRIORITY 0x0e | |
145 | #define MO_SET_TIMESTAMP 0x0f | |
146 | #define MO_MANAGEMENT_PROTOCOL_OUT 0x10 | |
0008f1e7 HR |
147 | /* values for ZBC_IN */ |
148 | #define ZI_REPORT_ZONES 0x00 | |
149 | /* values for ZBC_OUT */ | |
150 | #define ZO_CLOSE_ZONE 0x01 | |
151 | #define ZO_FINISH_ZONE 0x02 | |
152 | #define ZO_OPEN_ZONE 0x03 | |
153 | #define ZO_RESET_WRITE_POINTER 0x04 | |
c5f1ac8b BVA |
154 | /* values for variable length command */ |
155 | #define XDREAD_32 0x03 | |
156 | #define XDWRITE_32 0x04 | |
157 | #define XPWRITE_32 0x06 | |
158 | #define XDWRITEREAD_32 0x07 | |
159 | #define READ_32 0x09 | |
160 | #define VERIFY_32 0x0a | |
161 | #define WRITE_32 0x0b | |
e5dc9a70 | 162 | #define WRITE_VERIFY_32 0x0c |
c5f1ac8b | 163 | #define WRITE_SAME_32 0x0d |
b1ffbf85 | 164 | #define ATA_32 0x1ff0 |
c5f1ac8b BVA |
165 | |
166 | /* Values for T10/04-262r7 */ | |
167 | #define ATA_16 0x85 /* 16-byte pass-thru */ | |
168 | #define ATA_12 0xa1 /* 12-byte pass-thru */ | |
169 | ||
170 | /* Vendor specific CDBs start here */ | |
171 | #define VENDOR_SPECIFIC_CDB 0xc0 | |
172 | ||
173 | /* | |
174 | * SCSI command lengths | |
175 | */ | |
176 | ||
177 | #define SCSI_MAX_VARLEN_CDB_SIZE 260 | |
178 | ||
179 | /* defined in T10 SCSI Primary Commands-2 (SPC2) */ | |
180 | struct scsi_varlen_cdb_hdr { | |
181 | __u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */ | |
182 | __u8 control; | |
183 | __u8 misc[5]; | |
184 | __u8 additional_cdb_length; /* total cdb length - 8 */ | |
185 | __be16 service_action; | |
186 | /* service specific data follows */ | |
187 | }; | |
188 | ||
189 | /* | |
190 | * SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft | |
191 | * T10/1561-D Revision 4 Draft dated 7th November 2002. | |
192 | */ | |
193 | #define SAM_STAT_GOOD 0x00 | |
194 | #define SAM_STAT_CHECK_CONDITION 0x02 | |
195 | #define SAM_STAT_CONDITION_MET 0x04 | |
196 | #define SAM_STAT_BUSY 0x08 | |
197 | #define SAM_STAT_INTERMEDIATE 0x10 | |
198 | #define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14 | |
199 | #define SAM_STAT_RESERVATION_CONFLICT 0x18 | |
200 | #define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */ | |
201 | #define SAM_STAT_TASK_SET_FULL 0x28 | |
202 | #define SAM_STAT_ACA_ACTIVE 0x30 | |
203 | #define SAM_STAT_TASK_ABORTED 0x40 | |
204 | ||
205 | /* | |
206 | * Status codes. These are deprecated as they are shifted 1 bit right | |
207 | * from those found in the SCSI standards. This causes confusion for | |
208 | * applications that are ported to several OSes. Prefer SAM Status codes | |
209 | * above. | |
210 | */ | |
211 | ||
212 | #define GOOD 0x00 | |
213 | #define CHECK_CONDITION 0x01 | |
214 | #define CONDITION_GOOD 0x02 | |
215 | #define BUSY 0x04 | |
216 | #define INTERMEDIATE_GOOD 0x08 | |
217 | #define INTERMEDIATE_C_GOOD 0x0a | |
218 | #define RESERVATION_CONFLICT 0x0c | |
219 | #define COMMAND_TERMINATED 0x11 | |
220 | #define QUEUE_FULL 0x14 | |
221 | #define ACA_ACTIVE 0x18 | |
222 | #define TASK_ABORTED 0x20 | |
223 | ||
224 | #define STATUS_MASK 0xfe | |
225 | ||
226 | /* | |
227 | * SENSE KEYS | |
228 | */ | |
229 | ||
230 | #define NO_SENSE 0x00 | |
231 | #define RECOVERED_ERROR 0x01 | |
232 | #define NOT_READY 0x02 | |
233 | #define MEDIUM_ERROR 0x03 | |
234 | #define HARDWARE_ERROR 0x04 | |
235 | #define ILLEGAL_REQUEST 0x05 | |
236 | #define UNIT_ATTENTION 0x06 | |
237 | #define DATA_PROTECT 0x07 | |
238 | #define BLANK_CHECK 0x08 | |
239 | #define COPY_ABORTED 0x0a | |
240 | #define ABORTED_COMMAND 0x0b | |
241 | #define VOLUME_OVERFLOW 0x0d | |
242 | #define MISCOMPARE 0x0e | |
243 | ||
244 | ||
245 | /* | |
246 | * DEVICE TYPES | |
247 | * Please keep them in 0x%02x format for $MODALIAS to work | |
248 | */ | |
249 | ||
250 | #define TYPE_DISK 0x00 | |
251 | #define TYPE_TAPE 0x01 | |
252 | #define TYPE_PRINTER 0x02 | |
253 | #define TYPE_PROCESSOR 0x03 /* HP scanners use this */ | |
254 | #define TYPE_WORM 0x04 /* Treated as ROM by our system */ | |
255 | #define TYPE_ROM 0x05 | |
256 | #define TYPE_SCANNER 0x06 | |
257 | #define TYPE_MOD 0x07 /* Magneto-optical disk - | |
258 | * - treated as TYPE_DISK */ | |
259 | #define TYPE_MEDIUM_CHANGER 0x08 | |
260 | #define TYPE_COMM 0x09 /* Communications device */ | |
261 | #define TYPE_RAID 0x0c | |
262 | #define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ | |
263 | #define TYPE_RBC 0x0e | |
264 | #define TYPE_OSD 0x11 | |
265 | #define TYPE_ZBC 0x14 | |
266 | #define TYPE_WLUN 0x1e /* well-known logical unit */ | |
267 | #define TYPE_NO_LUN 0x7f | |
268 | ||
269 | /* SCSI protocols; these are taken from SPC-3 section 7.5 */ | |
270 | enum scsi_protocol { | |
271 | SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */ | |
272 | SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */ | |
273 | SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */ | |
274 | SCSI_PROTOCOL_SBP = 3, /* firewire */ | |
275 | SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */ | |
276 | SCSI_PROTOCOL_ISCSI = 5, | |
277 | SCSI_PROTOCOL_SAS = 6, | |
278 | SCSI_PROTOCOL_ADT = 7, /* Media Changers */ | |
279 | SCSI_PROTOCOL_ATA = 8, | |
280 | SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */ | |
281 | }; | |
282 | ||
283 | /* | |
284 | * ScsiLun: 8 byte LUN. | |
285 | */ | |
286 | struct scsi_lun { | |
287 | __u8 scsi_lun[8]; | |
288 | }; | |
289 | ||
77c9df96 HR |
290 | /* SPC asymmetric access states */ |
291 | #define SCSI_ACCESS_STATE_OPTIMAL 0x00 | |
292 | #define SCSI_ACCESS_STATE_ACTIVE 0x01 | |
293 | #define SCSI_ACCESS_STATE_STANDBY 0x02 | |
294 | #define SCSI_ACCESS_STATE_UNAVAILABLE 0x03 | |
295 | #define SCSI_ACCESS_STATE_LBA 0x04 | |
296 | #define SCSI_ACCESS_STATE_OFFLINE 0x0e | |
297 | #define SCSI_ACCESS_STATE_TRANSITIONING 0x0f | |
298 | ||
299 | /* Values for REPORT TARGET GROUP STATES */ | |
300 | #define SCSI_ACCESS_STATE_MASK 0x0f | |
301 | #define SCSI_ACCESS_STATE_PREFERRED 0x80 | |
c5f1ac8b | 302 | |
89d94756 HR |
303 | /* Reporting options for REPORT ZONES */ |
304 | enum zbc_zone_reporting_options { | |
305 | ZBC_ZONE_REPORTING_OPTION_ALL = 0, | |
306 | ZBC_ZONE_REPORTING_OPTION_EMPTY, | |
307 | ZBC_ZONE_REPORTING_OPTION_IMPLICIT_OPEN, | |
308 | ZBC_ZONE_REPORTING_OPTION_EXPLICIT_OPEN, | |
309 | ZBC_ZONE_REPORTING_OPTION_CLOSED, | |
310 | ZBC_ZONE_REPORTING_OPTION_FULL, | |
311 | ZBC_ZONE_REPORTING_OPTION_READONLY, | |
312 | ZBC_ZONE_REPORTING_OPTION_OFFLINE, | |
313 | ZBC_ZONE_REPORTING_OPTION_NEED_RESET_WP = 0x10, | |
314 | ZBC_ZONE_REPORTING_OPTION_NON_SEQWRITE, | |
315 | ZBC_ZONE_REPORTING_OPTION_NON_WP = 0x3f, | |
316 | }; | |
317 | ||
318 | #define ZBC_REPORT_ZONE_PARTIAL 0x80 | |
319 | ||
c5f1ac8b | 320 | #endif /* _SCSI_PROTO_H_ */ |