1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright © 2016 Intel Corporation
6 * Rafael Antognolli <rafael.antognolli@intel.com>
7 * Scott Bauer <scott.bauer@intel.com>
9 #include <linux/types.h>
15 * These constant values come from:
17 * 6.30 SECURITY PROTOCOL IN command / table 265.
25 * Token defs derived from:
26 * TCG_Storage_Architecture_Core_Spec_v2.01_r1.00
27 * 3.2.2 Data Stream Encoding
29 enum opal_response_token {
30 OPAL_DTA_TOKENID_BYTESTRING = 0xe0,
31 OPAL_DTA_TOKENID_SINT = 0xe1,
32 OPAL_DTA_TOKENID_UINT = 0xe2,
33 OPAL_DTA_TOKENID_TOKEN = 0xe3, /* actual token is returned */
34 OPAL_DTA_TOKENID_INVALID = 0X0
37 #define DTAERROR_NO_METHOD_STATUS 0x89
38 #define GENERIC_HOST_SESSION_NUM 0x41
40 #define TPER_SYNC_SUPPORTED 0x01
41 #define MBR_ENABLED_MASK 0x10
43 #define TINY_ATOM_DATA_MASK 0x3F
44 #define TINY_ATOM_SIGNED 0x40
46 #define SHORT_ATOM_ID 0x80
47 #define SHORT_ATOM_BYTESTRING 0x20
48 #define SHORT_ATOM_SIGNED 0x10
49 #define SHORT_ATOM_LEN_MASK 0xF
51 #define MEDIUM_ATOM_ID 0xC0
52 #define MEDIUM_ATOM_BYTESTRING 0x10
53 #define MEDIUM_ATOM_SIGNED 0x8
54 #define MEDIUM_ATOM_LEN_MASK 0x7
56 #define LONG_ATOM_ID 0xe0
57 #define LONG_ATOM_BYTESTRING 0x2
58 #define LONG_ATOM_SIGNED 0x1
60 /* Derived from TCG Core spec 2.01 Section:
64 #define TINY_ATOM_BYTE 0x7F
65 #define SHORT_ATOM_BYTE 0xBF
66 #define MEDIUM_ATOM_BYTE 0xDF
67 #define LONG_ATOM_BYTE 0xE3
69 #define OPAL_INVAL_PARAM 12
70 #define OPAL_MANUFACTURED_INACTIVE 0x08
71 #define OPAL_DISCOVERY_COMID 0x0001
73 #define LOCKING_RANGE_NON_GLOBAL 0x03
75 * User IDs used in the TCG storage SSCs
76 * Derived from: TCG_Storage_Architecture_Core_Spec_v2.01_r1.00
77 * Section: 6.3 Assigned UIDs
79 #define OPAL_UID_LENGTH 8
80 #define OPAL_METHOD_LENGTH 8
81 #define OPAL_MSID_KEYLEN 15
82 #define OPAL_UID_LENGTH_HALF 4
84 /* Enum to index OPALUID array */
91 OPAL_ENTERPRISE_LOCKINGSP_UID,
98 OPAL_ENTERPRISE_BANDMASTER0_UID,
99 OPAL_ENTERPRISE_ERASEMASTER_UID,
101 OPAL_LOCKINGRANGE_GLOBAL,
102 OPAL_LOCKINGRANGE_ACE_RDLOCKED,
103 OPAL_LOCKINGRANGE_ACE_WRLOCKED,
106 OPAL_AUTHORITY_TABLE,
108 OPAL_LOCKING_INFO_TABLE,
109 OPAL_ENTERPRISE_LOCKING_INFO_TABLE,
110 /* C_PIN_TABLE object ID's */
114 /* half UID's (only first 4 bytes used) */
115 OPAL_HALF_UID_AUTHORITY_OBJ_REF,
116 OPAL_HALF_UID_BOOLEAN_ACE,
117 /* omitted optional parameter */
121 #define OPAL_METHOD_LENGTH 8
123 /* Enum for indexing the OPALMETHOD array */
147 OPAL_BOOLEAN_EXPR = 0x03,
150 OPAL_STARTROW = 0x01,
152 OPAL_STARTCOLUMN = 0x03,
153 OPAL_ENDCOLUMN = 0x04,
155 /* authority table */
158 OPAL_RANGESTART = 0x03,
159 OPAL_RANGELENGTH = 0x04,
160 OPAL_READLOCKENABLED = 0x05,
161 OPAL_WRITELOCKENABLED = 0x06,
162 OPAL_READLOCKED = 0x07,
163 OPAL_WRITELOCKED = 0x08,
164 OPAL_ACTIVEKEY = 0x0A,
165 /* lockingsp table */
166 OPAL_LIFECYCLE = 0x06,
167 /* locking info table */
168 OPAL_MAXRANGES = 0x04,
170 OPAL_MBRENABLE = 0x01,
173 OPAL_HOSTPROPERTIES = 0x00,
175 OPAL_STARTLIST = 0xf0,
177 OPAL_STARTNAME = 0xf2,
180 OPAL_ENDOFDATA = 0xf9,
181 OPAL_ENDOFSESSION = 0xfa,
182 OPAL_STARTTRANSACTON = 0xfb,
183 OPAL_ENDTRANSACTON = 0xfC,
184 OPAL_EMPTYATOM = 0xff,
188 /* Locking state for a locking range */
189 enum opal_lockingstate {
190 OPAL_LOCKING_READWRITE = 0x01,
191 OPAL_LOCKING_READONLY = 0x02,
192 OPAL_LOCKING_LOCKED = 0x03,
195 /* Packets derived from:
196 * TCG_Storage_Architecture_Core_Spec_v2.01_r1.00
197 * Secion: 3.2.3 ComPackets, Packets & Subpackets
200 /* Comm Packet (header) for transmissions. */
201 struct opal_compacket {
204 __be32 outstandingData;
209 /* Packet structure. */
216 __be32 acknowledgment;
220 /* Data sub packet header */
221 struct opal_data_subpacket {
227 /* header of a response */
229 struct opal_compacket cp;
230 struct opal_packet pkt;
231 struct opal_data_subpacket subpkt;
234 #define FC_TPER 0x0001
235 #define FC_LOCKING 0x0002
236 #define FC_GEOMETRY 0x0003
237 #define FC_ENTERPRISE 0x0100
238 #define FC_DATASTORE 0x0202
239 #define FC_SINGLEUSER 0x0201
240 #define FC_OPALV100 0x0200
241 #define FC_OPALV200 0x0203
244 * The Discovery 0 Header. As defined in
245 * Opal SSC Documentation
246 * Section: 3.3.5 Capability Discovery
249 __be32 length; /* the length of the header 48 in 2.00.100 */
250 __be32 revision; /**< revision of the header 1 in 2.00.100 */
254 * the remainder of the structure is vendor specific and will not be
261 * TPer Feature Descriptor. Contains flags indicating support for the
262 * TPer features described in the OPAL specification. The names match the
265 * code == 0x001 in 2.00.100
267 struct d0_tper_features {
269 * supported_features bits:
271 * bit 6: com ID management
273 * bit 4: streaming support
274 * bit 3: buffer management
279 u8 supported_features;
281 * bytes 5 through 15 are reserved, but we represent the first 3 as
282 * u8 to keep the other two 32bits integers aligned.
290 * Locking Feature Descriptor. Contains flags indicating support for the
291 * locking features described in the OPAL specification. The names match the
294 * code == 0x0002 in 2.00.100
296 struct d0_locking_features {
298 * supported_features bits:
302 * bit 3: media encryption
304 * bit 1: locking enabled
305 * bit 0: locking supported
307 u8 supported_features;
309 * bytes 5 through 15 are reserved, but we represent the first 3 as
310 * u8 to keep the other two 32bits integers aligned.
318 * Geometry Feature Descriptor. Contains flags indicating support for the
319 * geometry features described in the OPAL specification. The names match the
322 * code == 0x0003 in 2.00.100
324 struct d0_geometry_features {
326 * skip 32 bits from header, needed to align the struct to 64 bits.
336 __be32 logical_block_size;
337 __be64 alignment_granularity;
338 __be64 lowest_aligned_lba;
342 * Enterprise SSC Feature
346 struct d0_enterprise_ssc {
351 * bit 0: range crossing
365 struct d0_opal_v100 {
371 * Single User Mode feature
375 struct d0_single_user_mode {
376 __be32 num_locking_objects;
390 * Additonal Datastores feature
394 struct d0_datastore_table {
397 __be32 max_size_tables;
398 __be32 table_size_alignment;
406 struct d0_opal_v200 {
411 * bit 0: range crossing
414 /* num_locking_admin_auth:
415 * not aligned to 16 bits, so use two u8.
416 * stored in big endian:
420 u8 num_locking_admin_auth[2];
421 /* num_locking_user_auth:
422 * not aligned to 16 bits, so use two u8.
423 * stored in big endian:
427 u8 num_locking_user_auth[2];
434 /* Union of features used to parse the discovery 0 response */
447 #endif /* _OPAL_PROTO_H */