Miquel Raynal | ff32245 | 2018-05-15 11:57:08 +0200 | [diff] [blame^] | 1 | /* 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 | */ |
| 20 | enum tpm2_structures { |
| 21 | TPM2_ST_NO_SESSIONS = 0x8001, |
| 22 | TPM2_ST_SESSIONS = 0x8002, |
| 23 | }; |
| 24 | |
| 25 | /** |
| 26 | * TPM2 type of boolean. |
| 27 | */ |
| 28 | enum 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 | */ |
| 39 | enum 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 | */ |
| 53 | enum 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 | */ |
| 77 | enum 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 | */ |
| 93 | enum 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 | */ |
| 120 | enum 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 */ |