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1 | /* |
2 | * Copyright © 2016 Intel Corporation | |
3 | * | |
4 | * Authors: | |
5 | * Rafael Antognolli <rafael.antognolli@intel.com> | |
6 | * Scott Bauer <scott.bauer@intel.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms and conditions of the GNU General Public License, | |
10 | * version 2, as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope it will be useful, but WITHOUT | |
13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
15 | * more details. | |
16 | */ | |
17 | #include <linux/types.h> | |
18 | ||
19 | #ifndef _OPAL_PROTO_H | |
20 | #define _OPAL_PROTO_H | |
21 | ||
22 | #define DTAERROR_NO_METHOD_STATUS 0x89 | |
23 | #define GENERIC_HOST_SESSION_NUM 0x41 | |
24 | ||
25 | #define TPER_SYNC_SUPPORTED 0x01 | |
26 | ||
27 | #define TINY_ATOM_DATA_MASK 0x3F | |
28 | #define TINY_ATOM_SIGNED 0x40 | |
29 | ||
30 | #define SHORT_ATOM_ID 0x80 | |
31 | #define SHORT_ATOM_BYTESTRING 0x20 | |
32 | #define SHORT_ATOM_SIGNED 0x10 | |
33 | #define SHORT_ATOM_LEN_MASK 0xF | |
34 | ||
35 | #define MEDIUM_ATOM_ID 0xC0 | |
36 | #define MEDIUM_ATOM_BYTESTRING 0x10 | |
37 | #define MEDIUM_ATOM_SIGNED 0x8 | |
38 | #define MEDIUM_ATOM_LEN_MASK 0x7 | |
39 | ||
40 | #define LONG_ATOM_ID 0xe0 | |
41 | #define LONG_ATOM_BYTESTRING 0x2 | |
42 | #define LONG_ATOM_SIGNED 0x1 | |
43 | ||
44 | /* Derived from TCG Core spec 2.01 Section: | |
45 | * 3.2.2.1 | |
46 | * Data Type | |
47 | */ | |
48 | #define TINY_ATOM_BYTE 0x7F | |
49 | #define SHORT_ATOM_BYTE 0xBF | |
50 | #define MEDIUM_ATOM_BYTE 0xDF | |
51 | #define LONG_ATOM_BYTE 0xE3 | |
52 | ||
53 | #define OPAL_INVAL_PARAM 12 | |
54 | #define OPAL_MANUFACTURED_INACTIVE 0x08 | |
55 | #define OPAL_DISCOVERY_COMID 0x0001 | |
56 | ||
57 | #define LOCKING_RANGE_NON_GLOBAL 0x03 | |
58 | /* | |
59 | * User IDs used in the TCG storage SSCs | |
60 | * Derived from: TCG_Storage_Architecture_Core_Spec_v2.01_r1.00 | |
61 | * Section: 6.3 Assigned UIDs | |
62 | */ | |
63 | #define OPAL_UID_LENGTH 8 | |
64 | #define OPAL_METHOD_LENGTH 8 | |
65 | #define OPAL_MSID_KEYLEN 15 | |
66 | #define OPAL_UID_LENGTH_HALF 4 | |
67 | ||
68 | /* Enum to index OPALUID array */ | |
69 | enum opal_uid { | |
70 | /* users */ | |
71 | OPAL_SMUID_UID, | |
72 | OPAL_THISSP_UID, | |
73 | OPAL_ADMINSP_UID, | |
74 | OPAL_LOCKINGSP_UID, | |
75 | OPAL_ENTERPRISE_LOCKINGSP_UID, | |
76 | OPAL_ANYBODY_UID, | |
77 | OPAL_SID_UID, | |
78 | OPAL_ADMIN1_UID, | |
79 | OPAL_USER1_UID, | |
80 | OPAL_USER2_UID, | |
81 | OPAL_PSID_UID, | |
82 | OPAL_ENTERPRISE_BANDMASTER0_UID, | |
83 | OPAL_ENTERPRISE_ERASEMASTER_UID, | |
84 | /* tables */ | |
85 | OPAL_LOCKINGRANGE_GLOBAL, | |
86 | OPAL_LOCKINGRANGE_ACE_RDLOCKED, | |
87 | OPAL_LOCKINGRANGE_ACE_WRLOCKED, | |
88 | OPAL_MBRCONTROL, | |
89 | OPAL_MBR, | |
90 | OPAL_AUTHORITY_TABLE, | |
91 | OPAL_C_PIN_TABLE, | |
92 | OPAL_LOCKING_INFO_TABLE, | |
93 | OPAL_ENTERPRISE_LOCKING_INFO_TABLE, | |
94 | /* C_PIN_TABLE object ID's */ | |
95 | OPAL_C_PIN_MSID, | |
96 | OPAL_C_PIN_SID, | |
97 | OPAL_C_PIN_ADMIN1, | |
98 | /* half UID's (only first 4 bytes used) */ | |
99 | OPAL_HALF_UID_AUTHORITY_OBJ_REF, | |
100 | OPAL_HALF_UID_BOOLEAN_ACE, | |
101 | /* omitted optional parameter */ | |
102 | OPAL_UID_HEXFF, | |
103 | }; | |
104 | ||
105 | #define OPAL_METHOD_LENGTH 8 | |
106 | ||
107 | /* Enum for indexing the OPALMETHOD array */ | |
108 | enum opal_method { | |
109 | OPAL_PROPERTIES, | |
110 | OPAL_STARTSESSION, | |
111 | OPAL_REVERT, | |
112 | OPAL_ACTIVATE, | |
113 | OPAL_EGET, | |
114 | OPAL_ESET, | |
115 | OPAL_NEXT, | |
116 | OPAL_EAUTHENTICATE, | |
117 | OPAL_GETACL, | |
118 | OPAL_GENKEY, | |
119 | OPAL_REVERTSP, | |
120 | OPAL_GET, | |
121 | OPAL_SET, | |
122 | OPAL_AUTHENTICATE, | |
123 | OPAL_RANDOM, | |
124 | OPAL_ERASE, | |
125 | }; | |
126 | ||
127 | enum opal_token { | |
128 | /* Boolean */ | |
129 | OPAL_TRUE = 0x01, | |
130 | OPAL_FALSE = 0x00, | |
131 | OPAL_BOOLEAN_EXPR = 0x03, | |
132 | /* cellblocks */ | |
133 | OPAL_TABLE = 0x00, | |
134 | OPAL_STARTROW = 0x01, | |
135 | OPAL_ENDROW = 0x02, | |
136 | OPAL_STARTCOLUMN = 0x03, | |
137 | OPAL_ENDCOLUMN = 0x04, | |
138 | OPAL_VALUES = 0x01, | |
139 | /* authority table */ | |
140 | OPAL_PIN = 0x03, | |
141 | /* locking tokens */ | |
142 | OPAL_RANGESTART = 0x03, | |
143 | OPAL_RANGELENGTH = 0x04, | |
144 | OPAL_READLOCKENABLED = 0x05, | |
145 | OPAL_WRITELOCKENABLED = 0x06, | |
146 | OPAL_READLOCKED = 0x07, | |
147 | OPAL_WRITELOCKED = 0x08, | |
148 | OPAL_ACTIVEKEY = 0x0A, | |
149 | /* locking info table */ | |
150 | OPAL_MAXRANGES = 0x04, | |
151 | /* mbr control */ | |
152 | OPAL_MBRENABLE = 0x01, | |
153 | OPAL_MBRDONE = 0x02, | |
154 | /* properties */ | |
155 | OPAL_HOSTPROPERTIES = 0x00, | |
156 | /* atoms */ | |
157 | OPAL_STARTLIST = 0xf0, | |
158 | OPAL_ENDLIST = 0xf1, | |
159 | OPAL_STARTNAME = 0xf2, | |
160 | OPAL_ENDNAME = 0xf3, | |
161 | OPAL_CALL = 0xf8, | |
162 | OPAL_ENDOFDATA = 0xf9, | |
163 | OPAL_ENDOFSESSION = 0xfa, | |
164 | OPAL_STARTTRANSACTON = 0xfb, | |
165 | OPAL_ENDTRANSACTON = 0xfC, | |
166 | OPAL_EMPTYATOM = 0xff, | |
167 | OPAL_WHERE = 0x00, | |
168 | }; | |
169 | ||
170 | /* Locking state for a locking range */ | |
171 | enum opal_lockingstate { | |
172 | OPAL_LOCKING_READWRITE = 0x01, | |
173 | OPAL_LOCKING_READONLY = 0x02, | |
174 | OPAL_LOCKING_LOCKED = 0x03, | |
175 | }; | |
176 | ||
177 | /* Packets derived from: | |
178 | * TCG_Storage_Architecture_Core_Spec_v2.01_r1.00 | |
179 | * Secion: 3.2.3 ComPackets, Packets & Subpackets | |
180 | */ | |
181 | ||
182 | /* Comm Packet (header) for transmissions. */ | |
183 | struct opal_compacket { | |
184 | __be32 reserved0; | |
185 | u8 extendedComID[4]; | |
186 | __be32 outstandingData; | |
187 | __be32 minTransfer; | |
188 | __be32 length; | |
189 | }; | |
190 | ||
191 | /* Packet structure. */ | |
192 | struct opal_packet { | |
193 | __be32 tsn; | |
194 | __be32 hsn; | |
195 | __be32 seq_number; | |
196 | __be16 reserved0; | |
197 | __be16 ack_type; | |
198 | __be32 acknowledgment; | |
199 | __be32 length; | |
200 | }; | |
201 | ||
202 | /* Data sub packet header */ | |
203 | struct opal_data_subpacket { | |
204 | u8 reserved0[6]; | |
205 | __be16 kind; | |
206 | __be32 length; | |
207 | }; | |
208 | ||
209 | /* header of a response */ | |
210 | struct opal_header { | |
211 | struct opal_compacket cp; | |
212 | struct opal_packet pkt; | |
213 | struct opal_data_subpacket subpkt; | |
214 | }; | |
215 | ||
216 | #define FC_TPER 0x0001 | |
217 | #define FC_LOCKING 0x0002 | |
218 | #define FC_GEOMETRY 0x0003 | |
219 | #define FC_ENTERPRISE 0x0100 | |
220 | #define FC_DATASTORE 0x0202 | |
221 | #define FC_SINGLEUSER 0x0201 | |
222 | #define FC_OPALV100 0x0200 | |
223 | #define FC_OPALV200 0x0203 | |
224 | ||
225 | /* | |
226 | * The Discovery 0 Header. As defined in | |
227 | * Opal SSC Documentation | |
228 | * Section: 3.3.5 Capability Discovery | |
229 | */ | |
230 | struct d0_header { | |
231 | __be32 length; /* the length of the header 48 in 2.00.100 */ | |
232 | __be32 revision; /**< revision of the header 1 in 2.00.100 */ | |
233 | __be32 reserved01; | |
234 | __be32 reserved02; | |
235 | /* | |
236 | * the remainder of the structure is vendor specific and will not be | |
237 | * addressed now | |
238 | */ | |
239 | u8 ignored[32]; | |
240 | }; | |
241 | ||
242 | /* | |
243 | * TPer Feature Descriptor. Contains flags indicating support for the | |
244 | * TPer features described in the OPAL specification. The names match the | |
245 | * OPAL terminology | |
246 | * | |
247 | * code == 0x001 in 2.00.100 | |
248 | */ | |
249 | struct d0_tper_features { | |
250 | /* | |
251 | * supported_features bits: | |
252 | * bit 7: reserved | |
253 | * bit 6: com ID management | |
254 | * bit 5: reserved | |
255 | * bit 4: streaming support | |
256 | * bit 3: buffer management | |
257 | * bit 2: ACK/NACK | |
258 | * bit 1: async | |
259 | * bit 0: sync | |
260 | */ | |
261 | u8 supported_features; | |
262 | /* | |
263 | * bytes 5 through 15 are reserved, but we represent the first 3 as | |
264 | * u8 to keep the other two 32bits integers aligned. | |
265 | */ | |
266 | u8 reserved01[3]; | |
267 | __be32 reserved02; | |
268 | __be32 reserved03; | |
269 | }; | |
270 | ||
271 | /* | |
272 | * Locking Feature Descriptor. Contains flags indicating support for the | |
273 | * locking features described in the OPAL specification. The names match the | |
274 | * OPAL terminology | |
275 | * | |
276 | * code == 0x0002 in 2.00.100 | |
277 | */ | |
278 | struct d0_locking_features { | |
279 | /* | |
280 | * supported_features bits: | |
281 | * bits 6-7: reserved | |
282 | * bit 5: MBR done | |
283 | * bit 4: MBR enabled | |
284 | * bit 3: media encryption | |
285 | * bit 2: locked | |
286 | * bit 1: locking enabled | |
287 | * bit 0: locking supported | |
288 | */ | |
289 | u8 supported_features; | |
290 | /* | |
291 | * bytes 5 through 15 are reserved, but we represent the first 3 as | |
292 | * u8 to keep the other two 32bits integers aligned. | |
293 | */ | |
294 | u8 reserved01[3]; | |
295 | __be32 reserved02; | |
296 | __be32 reserved03; | |
297 | }; | |
298 | ||
299 | /* | |
300 | * Geometry Feature Descriptor. Contains flags indicating support for the | |
301 | * geometry features described in the OPAL specification. The names match the | |
302 | * OPAL terminology | |
303 | * | |
304 | * code == 0x0003 in 2.00.100 | |
305 | */ | |
306 | struct d0_geometry_features { | |
307 | /* | |
308 | * skip 32 bits from header, needed to align the struct to 64 bits. | |
309 | */ | |
310 | u8 header[4]; | |
311 | /* | |
312 | * reserved01: | |
313 | * bits 1-6: reserved | |
314 | * bit 0: align | |
315 | */ | |
316 | u8 reserved01; | |
317 | u8 reserved02[7]; | |
318 | __be32 logical_block_size; | |
319 | __be64 alignment_granularity; | |
320 | __be64 lowest_aligned_lba; | |
321 | }; | |
322 | ||
323 | /* | |
324 | * Enterprise SSC Feature | |
325 | * | |
326 | * code == 0x0100 | |
327 | */ | |
328 | struct d0_enterprise_ssc { | |
329 | __be16 baseComID; | |
330 | __be16 numComIDs; | |
331 | /* range_crossing: | |
332 | * bits 1-6: reserved | |
333 | * bit 0: range crossing | |
334 | */ | |
335 | u8 range_crossing; | |
336 | u8 reserved01; | |
337 | __be16 reserved02; | |
338 | __be32 reserved03; | |
339 | __be32 reserved04; | |
340 | }; | |
341 | ||
342 | /* | |
343 | * Opal V1 feature | |
344 | * | |
345 | * code == 0x0200 | |
346 | */ | |
347 | struct d0_opal_v100 { | |
348 | __be16 baseComID; | |
349 | __be16 numComIDs; | |
350 | }; | |
351 | ||
352 | /* | |
353 | * Single User Mode feature | |
354 | * | |
355 | * code == 0x0201 | |
356 | */ | |
357 | struct d0_single_user_mode { | |
358 | __be32 num_locking_objects; | |
359 | /* reserved01: | |
360 | * bit 0: any | |
361 | * bit 1: all | |
362 | * bit 2: policy | |
363 | * bits 3-7: reserved | |
364 | */ | |
365 | u8 reserved01; | |
366 | u8 reserved02; | |
367 | __be16 reserved03; | |
368 | __be32 reserved04; | |
369 | }; | |
370 | ||
371 | /* | |
372 | * Additonal Datastores feature | |
373 | * | |
374 | * code == 0x0202 | |
375 | */ | |
376 | struct d0_datastore_table { | |
377 | __be16 reserved01; | |
378 | __be16 max_tables; | |
379 | __be32 max_size_tables; | |
380 | __be32 table_size_alignment; | |
381 | }; | |
382 | ||
383 | /* | |
384 | * OPAL 2.0 feature | |
385 | * | |
386 | * code == 0x0203 | |
387 | */ | |
388 | struct d0_opal_v200 { | |
389 | __be16 baseComID; | |
390 | __be16 numComIDs; | |
391 | /* range_crossing: | |
392 | * bits 1-6: reserved | |
393 | * bit 0: range crossing | |
394 | */ | |
395 | u8 range_crossing; | |
396 | /* num_locking_admin_auth: | |
397 | * not aligned to 16 bits, so use two u8. | |
398 | * stored in big endian: | |
399 | * 0: MSB | |
400 | * 1: LSB | |
401 | */ | |
402 | u8 num_locking_admin_auth[2]; | |
403 | /* num_locking_user_auth: | |
404 | * not aligned to 16 bits, so use two u8. | |
405 | * stored in big endian: | |
406 | * 0: MSB | |
407 | * 1: LSB | |
408 | */ | |
409 | u8 num_locking_user_auth[2]; | |
410 | u8 initialPIN; | |
411 | u8 revertedPIN; | |
412 | u8 reserved01; | |
413 | __be32 reserved02; | |
414 | }; | |
415 | ||
416 | /* Union of features used to parse the discovery 0 response */ | |
417 | struct d0_features { | |
418 | __be16 code; | |
419 | /* | |
420 | * r_version bits: | |
421 | * bits 4-7: version | |
422 | * bits 0-3: reserved | |
423 | */ | |
424 | u8 r_version; | |
425 | u8 length; | |
426 | u8 features[]; | |
427 | }; | |
428 | ||
429 | #endif /* _OPAL_PROTO_H */ |