blob: fac0808426bf117cd8c90bf953c539bf0521697a [file] [log] [blame]
Miquel Raynalff322452018-05-15 11:57:08 +02001/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (c) 2018 Bootlin
4 * Author: Miquel Raynal <miquel.raynal@bootlin.com>
5 */
6
7#ifndef __TPM_V2_H
8#define __TPM_V2_H
9
10#include <tpm-common.h>
11
12#define TPM2_DIGEST_LEN 32
13
14/**
15 * TPM2 Structure Tags for command/response buffers.
16 *
17 * @TPM2_ST_NO_SESSIONS: the command does not need an authentication.
18 * @TPM2_ST_SESSIONS: the command needs an authentication.
19 */
20enum tpm2_structures {
21 TPM2_ST_NO_SESSIONS = 0x8001,
22 TPM2_ST_SESSIONS = 0x8002,
23};
24
25/**
26 * TPM2 type of boolean.
27 */
28enum tpm2_yes_no {
29 TPMI_YES = 1,
30 TPMI_NO = 0,
31};
32
33/**
34 * TPM2 startup values.
35 *
36 * @TPM2_SU_CLEAR: reset the internal state.
37 * @TPM2_SU_STATE: restore saved state (if any).
38 */
39enum tpm2_startup_types {
40 TPM2_SU_CLEAR = 0x0000,
41 TPM2_SU_STATE = 0x0001,
42};
43
44/**
45 * TPM2 permanent handles.
46 *
47 * @TPM2_RH_OWNER: refers to the 'owner' hierarchy.
48 * @TPM2_RS_PW: indicates a password.
49 * @TPM2_RH_LOCKOUT: refers to the 'lockout' hierarchy.
50 * @TPM2_RH_ENDORSEMENT: refers to the 'endorsement' hierarchy.
51 * @TPM2_RH_PLATFORM: refers to the 'platform' hierarchy.
52 */
53enum tpm2_handles {
54 TPM2_RH_OWNER = 0x40000001,
55 TPM2_RS_PW = 0x40000009,
56 TPM2_RH_LOCKOUT = 0x4000000A,
57 TPM2_RH_ENDORSEMENT = 0x4000000B,
58 TPM2_RH_PLATFORM = 0x4000000C,
59};
60
61/**
62 * TPM2 command codes used at the beginning of a buffer, gives the command.
63 *
64 * @TPM2_CC_STARTUP: TPM2_Startup().
65 * @TPM2_CC_SELF_TEST: TPM2_SelfTest().
66 * @TPM2_CC_CLEAR: TPM2_Clear().
67 * @TPM2_CC_CLEARCONTROL: TPM2_ClearControl().
68 * @TPM2_CC_HIERCHANGEAUTH: TPM2_HierarchyChangeAuth().
69 * @TPM2_CC_PCR_SETAUTHPOL: TPM2_PCR_SetAuthPolicy().
70 * @TPM2_CC_DAM_RESET: TPM2_DictionaryAttackLockReset().
71 * @TPM2_CC_DAM_PARAMETERS: TPM2_DictionaryAttackParameters().
72 * @TPM2_CC_GET_CAPABILITY: TPM2_GetCapibility().
73 * @TPM2_CC_PCR_READ: TPM2_PCR_Read().
74 * @TPM2_CC_PCR_EXTEND: TPM2_PCR_Extend().
75 * @TPM2_CC_PCR_SETAUTHVAL: TPM2_PCR_SetAuthValue().
76 */
77enum tpm2_command_codes {
78 TPM2_CC_STARTUP = 0x0144,
79 TPM2_CC_SELF_TEST = 0x0143,
80 TPM2_CC_CLEAR = 0x0126,
81 TPM2_CC_CLEARCONTROL = 0x0127,
82 TPM2_CC_HIERCHANGEAUTH = 0x0129,
83 TPM2_CC_DAM_RESET = 0x0139,
84 TPM2_CC_DAM_PARAMETERS = 0x013A,
85 TPM2_CC_GET_CAPABILITY = 0x017A,
86 TPM2_CC_PCR_READ = 0x017E,
87 TPM2_CC_PCR_EXTEND = 0x0182,
88};
89
90/**
91 * TPM2 return codes.
92 */
93enum tpm2_return_codes {
94 TPM2_RC_SUCCESS = 0x0000,
95 TPM2_RC_BAD_TAG = 0x001E,
96 TPM2_RC_FMT1 = 0x0080,
97 TPM2_RC_HASH = TPM2_RC_FMT1 + 0x0003,
98 TPM2_RC_VALUE = TPM2_RC_FMT1 + 0x0004,
99 TPM2_RC_SIZE = TPM2_RC_FMT1 + 0x0015,
100 TPM2_RC_BAD_AUTH = TPM2_RC_FMT1 + 0x0022,
101 TPM2_RC_HANDLE = TPM2_RC_FMT1 + 0x000B,
102 TPM2_RC_VER1 = 0x0100,
103 TPM2_RC_INITIALIZE = TPM2_RC_VER1 + 0x0000,
104 TPM2_RC_FAILURE = TPM2_RC_VER1 + 0x0001,
105 TPM2_RC_DISABLED = TPM2_RC_VER1 + 0x0020,
106 TPM2_RC_AUTH_MISSING = TPM2_RC_VER1 + 0x0025,
107 TPM2_RC_COMMAND_CODE = TPM2_RC_VER1 + 0x0043,
108 TPM2_RC_AUTHSIZE = TPM2_RC_VER1 + 0x0044,
109 TPM2_RC_AUTH_CONTEXT = TPM2_RC_VER1 + 0x0045,
110 TPM2_RC_NEEDS_TEST = TPM2_RC_VER1 + 0x0053,
111 TPM2_RC_WARN = 0x0900,
112 TPM2_RC_TESTING = TPM2_RC_WARN + 0x000A,
113 TPM2_RC_REFERENCE_H0 = TPM2_RC_WARN + 0x0010,
114 TPM2_RC_LOCKOUT = TPM2_RC_WARN + 0x0021,
115};
116
117/**
118 * TPM2 algorithms.
119 */
120enum tpm2_algorithms {
121 TPM2_ALG_XOR = 0x0A,
122 TPM2_ALG_SHA256 = 0x0B,
123 TPM2_ALG_SHA384 = 0x0C,
124 TPM2_ALG_SHA512 = 0x0D,
125 TPM2_ALG_NULL = 0x10,
126};
127
128#endif /* __TPM_V2_H */