/* * Copyright 2016 The Chromium OS Authors. All rights reserved. * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. * * Some TPM constants and type definitions for standalone compilation for use * in the firmware */ #ifndef __VBOOT_REFERENCE_FIRMWARE_INCLUDE_TPM2_TSS_CONSTANTS_H #define __VBOOT_REFERENCE_FIRMWARE_INCLUDE_TPM2_TSS_CONSTANTS_H #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ #define TPM_BUFFER_SIZE 256 /* Tpm2 command tags. */ #define TPM_ST_NO_SESSIONS 0x8001 #define TPM_ST_SESSIONS 0x8002 /* TPM2 command codes. */ #define TPM2_Hierarchy_Control ((TPM_CC)0x00000121) #define TPM2_NV_UndefineSpace ((TPM_CC)0x00000122) #define TPM2_Clear ((TPM_CC)0x00000126) #define TPM2_NV_DefineSpace ((TPM_CC)0x0000012A) #define TPM2_NV_Write ((TPM_CC)0x00000137) #define TPM2_NV_WriteLock ((TPM_CC)0x00000138) #define TPM2_SelfTest ((TPM_CC)0x00000143) #define TPM2_Startup ((TPM_CC)0x00000144) #define TPM2_Shutdown ((TPM_CC)0x00000145) #define TPM2_NV_Read ((TPM_CC)0x0000014E) #define TPM2_NV_ReadLock ((TPM_CC)0x0000014F) #define TPM2_NV_ReadPublic ((TPM_CC)0x00000169) #define TPM2_GetCapability ((TPM_CC)0x0000017A) #define TPM2_GetRandom ((TPM_CC)0x0000017B) #define HR_SHIFT 24 #define TPM_HT_NV_INDEX 0x01 #define HR_NV_INDEX (TPM_HT_NV_INDEX << HR_SHIFT) #define TPM_RH_OWNER 0x40000001 #define TPM_RH_PLATFORM 0x4000000C #define TPM_RS_PW 0x40000009 /* TPM2 capabilities. */ #define TPM_CAP_FIRST ((TPM_CAP)0x00000000) #define TPM_CAP_TPM_PROPERTIES ((TPM_CAP)0x00000006) /* TPM properties */ #define TPM_PT_NONE ((TPM_PT)0x00000000) #define PT_GROUP ((TPM_PT)0x00000100) #define PT_FIXED PT_GROUP #define TPM_PT_MANUFACTURER (PT_FIXED + 5) #define TPM_PT_VENDOR_STRING_1 (PT_FIXED + 6) #define TPM_PT_VENDOR_STRING_4 (PT_FIXED + 9) #define TPM_PT_FIRMWARE_VERSION_1 (PT_FIXED + 11) #define TPM_PT_FIRMWARE_VERSION_2 (PT_FIXED + 12) #define PT_VAR (PT_GROUP * 2) #define TPM_PT_PERMANENT (PT_VAR + 0) #define TPM_PT_STARTUP_CLEAR (PT_VAR + 1) /* TPM startup types. */ #define TPM_SU_CLEAR ((TPM_SU)0x0000) #define TPM_SU_STATE ((TPM_SU)0x0001) /* TPM algorithm IDs. */ #define TPM_ALG_SHA1 ((TPM_ALG_ID)0x0004) #define TPM_ALG_SHA256 ((TPM_ALG_ID)0x000B) #define TPM_ALG_NULL ((TPM_ALG_ID)0x0010) /* NV index attributes. */ #define TPMA_NV_PPWRITE ((TPMA_NV)(1UL << 0)) #define TPMA_NV_OWNERWRITE ((TPMA_NV)(1UL << 1)) #define TPMA_NV_AUTHWRITE ((TPMA_NV)(1UL << 2)) #define TPMA_NV_POLICYWRITE ((TPMA_NV)(1UL << 3)) #define TPMA_NV_COUNTER ((TPMA_NV)(1UL << 4)) #define TPMA_NV_BITS ((TPMA_NV)(1UL << 5)) #define TPMA_NV_EXTEND ((TPMA_NV)(1UL << 6)) #define TPMA_NV_POLICY_DELETE ((TPMA_NV)(1UL << 10)) #define TPMA_NV_WRITELOCKED ((TPMA_NV)(1UL << 11)) #define TPMA_NV_WRITEALL ((TPMA_NV)(1UL << 12)) #define TPMA_NV_WRITEDEFINE ((TPMA_NV)(1UL << 13)) #define TPMA_NV_WRITE_STCLEAR ((TPMA_NV)(1UL << 14)) #define TPMA_NV_GLOBALLOCK ((TPMA_NV)(1UL << 15)) #define TPMA_NV_PPREAD ((TPMA_NV)(1UL << 16)) #define TPMA_NV_OWNERREAD ((TPMA_NV)(1UL << 17)) #define TPMA_NV_AUTHREAD ((TPMA_NV)(1UL << 18)) #define TPMA_NV_POLICYREAD ((TPMA_NV)(1UL << 19)) #define TPMA_NV_NO_DA ((TPMA_NV)(1UL << 25)) #define TPMA_NV_ORDERLY ((TPMA_NV)(1UL << 26)) #define TPMA_NV_CLEAR_STCLEAR ((TPMA_NV)(1UL << 27)) #define TPMA_NV_READLOCKED ((TPMA_NV)(1UL << 28)) #define TPMA_NV_WRITTEN ((TPMA_NV)(1UL << 29)) #define TPMA_NV_PLATFORMCREATE ((TPMA_NV)(1UL << 30)) #define TPMA_NV_READ_STCLEAR ((TPMA_NV)(1UL << 31)) #define TPMA_NV_MASK_READ (TPMA_NV_PPREAD | TPMA_NV_OWNERREAD |\ TPMA_NV_AUTHREAD | TPMA_NV_POLICYREAD) #define TPMA_NV_MASK_WRITE (TPMA_NV_PPWRITE | TPMA_NV_OWNERWRITE |\ TPMA_NV_AUTHWRITE |\ TPMA_NV_POLICYWRITE) /* Starting indexes of NV index ranges, as defined in "Registry of reserved * TPM 2.0 handles and localities". */ #define TPMI_RH_NV_INDEX_TPM_START ((TPMI_RH_NV_INDEX)0x01000000) #define TPMI_RH_NV_INDEX_PLATFORM_START ((TPMI_RH_NV_INDEX)0x01400000) #define TPMI_RH_NV_INDEX_OWNER_START ((TPMI_RH_NV_INDEX)0x01800000) #define TPMI_RH_NV_INDEX_TCG_OEM_START ((TPMI_RH_NV_INDEX)0x01C00000) #define TPMI_RH_NV_INDEX_TCG_WG_START ((TPMI_RH_NV_INDEX)0x01C40000) #define TPMI_RH_NV_INDEX_RESERVED_START ((TPMI_RH_NV_INDEX)0x01C90000) typedef uint8_t TPMI_YES_NO; typedef uint32_t TPM_CC; typedef uint32_t TPM_HANDLE; typedef TPM_HANDLE TPMI_RH_NV_INDEX; typedef TPM_HANDLE TPMI_RH_ENABLES; typedef uint32_t TPM_CAP; typedef uint32_t TPM_PT; typedef uint16_t TPM_SU; typedef uint16_t TPM_ALG_ID; typedef TPM_ALG_ID TPMI_ALG_HASH; typedef uint32_t TPMA_NV; typedef struct { uint16_t size; uint8_t *buffer; } TPM2B, TPM2B_DIGEST, TPM2B_AUTH, TPM2B_NAME; typedef union { struct { uint16_t size; const uint8_t *buffer; } t; TPM2B b; } TPM2B_MAX_NV_BUFFER; typedef struct { TPM_PT property; uint32_t value; } TPMS_TAGGED_PROPERTY; typedef struct { uint32_t count; TPMS_TAGGED_PROPERTY tpm_property[1]; } TPML_TAGGED_TPM_PROPERTY; typedef union { TPML_TAGGED_TPM_PROPERTY tpm_properties; } TPMU_CAPABILITIES; typedef struct { TPM_CAP capability; TPMU_CAPABILITIES data; } TPMS_CAPABILITY_DATA; typedef struct { TPMI_RH_NV_INDEX nvIndex; TPMI_ALG_HASH nameAlg; TPMA_NV attributes; TPM2B authPolicy; uint16_t dataSize; } TPMS_NV_PUBLIC; struct tpm2_nv_define_space_cmd { TPM2B auth; TPMS_NV_PUBLIC publicInfo; }; struct tpm2_nv_undefine_space_cmd { TPMI_RH_NV_INDEX nvIndex; uint8_t use_platform_auth; }; struct tpm2_nv_read_cmd { TPMI_RH_NV_INDEX nvIndex; uint16_t size; uint16_t offset; }; struct tpm2_nv_write_cmd { TPMI_RH_NV_INDEX nvIndex; TPM2B_MAX_NV_BUFFER data; uint16_t offset; }; struct tpm2_nv_read_lock_cmd { TPMI_RH_NV_INDEX nvIndex; }; struct tpm2_nv_write_lock_cmd { TPMI_RH_NV_INDEX nvIndex; }; struct tpm2_nv_read_public_cmd { TPMI_RH_NV_INDEX nvIndex; }; struct tpm2_hierarchy_control_cmd { TPMI_RH_ENABLES enable; TPMI_YES_NO state; }; struct tpm2_get_capability_cmd { TPM_CAP capability; uint32_t property; uint32_t property_count; }; struct tpm2_get_random_cmd { uint16_t bytes_requested; }; struct tpm2_self_test_cmd { TPMI_YES_NO full_test; }; struct tpm2_startup_cmd { TPM_SU startup_type; }; struct tpm2_shutdown_cmd { TPM_SU shutdown_type; }; /* Common command/response header. */ struct tpm_header { uint16_t tpm_tag; uint32_t tpm_size; uint32_t tpm_code; } __attribute__((packed)); struct nv_read_response { uint32_t params_size; TPM2B_MAX_NV_BUFFER buffer; }; struct tpm2_session_attrs { uint8_t continueSession : 1; uint8_t auditExclusive : 1; uint8_t auditReset : 1; uint8_t reserved3_4 : 2; uint8_t decrypt : 1; uint8_t encrypt : 1; uint8_t audit : 1; }; struct tpm2_session_header { uint32_t session_handle; uint16_t nonce_size; uint8_t *nonce; union { struct tpm2_session_attrs session_attr_bits; uint8_t session_attrs; } __attribute__((packed)); uint16_t auth_size; uint8_t *auth; }; struct get_capability_response { TPMI_YES_NO more_data; TPMS_CAPABILITY_DATA capability_data; } __attribute__((packed)); struct get_random_response { TPM2B_DIGEST random_bytes; } __attribute__((packed)); struct nv_read_public_response { TPMS_NV_PUBLIC nvPublic; TPM2B_NAME nvName; } __attribute__((packed)); struct tpm2_response { struct tpm_header hdr; union { struct nv_read_response nvr; struct tpm2_session_header def_space; struct get_capability_response cap; struct get_random_response random; struct nv_read_public_response nv_read_public; }; }; typedef struct { uint32_t ownerAuthSet : 1; uint32_t endorsementAuthSet : 1; uint32_t lockoutAuthSet : 1; uint32_t reserved3_7 : 5; uint32_t disableClear : 1; uint32_t inLockout : 1; uint32_t tpmGeneratedEPS : 1; uint32_t reserved11_31 : 21; } TPM_PERMANENT_FLAGS; typedef struct { uint32_t phEnable : 1; uint32_t shEnable : 1; uint32_t ehEnable : 1; uint32_t phEnableNV : 1; uint32_t reserved4_30 : 27; uint32_t orderly : 1; } TPM_STCLEAR_FLAGS; typedef struct tdTPM_IFX_FIELDUPGRADEINFO { } TPM_IFX_FIELDUPGRADEINFO; /* TODO(apronin): For TPM2 certain properties must be received using * TPM2_GetCapability instead of being hardcoded as they are now: * TPM_MAX_COMMAND_SIZE -> use TPM_PT_MAX_COMMAND_SIZE for TPM2. * TPM_PCR_DIGEST -> use TPM_PT_MAX_DIGEST for TPM2. */ #define TPM_MAX_COMMAND_SIZE 4096 #define TPM_PCR_DIGEST 32 #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* ! __VBOOT_REFERENCE_FIRMWARE_INCLUDE_TPM2_TSS_CONSTANTS_H */