185f812c41
Sphinx expects Return: and not @return to indicate a return value.
find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
595 lines
17 KiB
C
595 lines
17 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2013 The Chromium OS Authors.
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* Coypright (c) 2013 Guntermann & Drunck GmbH
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*/
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#ifndef __TPM_V1_H
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#define __TPM_V1_H
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#include <tpm-common.h>
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#include <linux/bitops.h>
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struct udevice;
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/* Useful constants */
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enum {
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TPM_REQUEST_HEADER_LENGTH = 10,
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TPM_RESPONSE_HEADER_LENGTH = 10,
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PCR_DIGEST_LENGTH = 20,
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DIGEST_LENGTH = 20,
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TPM_REQUEST_AUTH_LENGTH = 45,
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TPM_RESPONSE_AUTH_LENGTH = 41,
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/* some max lengths, valid for RSA keys <= 2048 bits */
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TPM_KEY12_MAX_LENGTH = 618,
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TPM_PUBKEY_MAX_LENGTH = 288,
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};
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enum tpm_startup_type {
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TPM_ST_CLEAR = 0x0001,
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TPM_ST_STATE = 0x0002,
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TPM_ST_DEACTIVATED = 0x0003,
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};
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enum tpm_physical_presence {
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TPM_PHYSICAL_PRESENCE_HW_DISABLE = 0x0200,
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TPM_PHYSICAL_PRESENCE_CMD_DISABLE = 0x0100,
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TPM_PHYSICAL_PRESENCE_LIFETIME_LOCK = 0x0080,
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TPM_PHYSICAL_PRESENCE_HW_ENABLE = 0x0040,
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TPM_PHYSICAL_PRESENCE_CMD_ENABLE = 0x0020,
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TPM_PHYSICAL_PRESENCE_NOTPRESENT = 0x0010,
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TPM_PHYSICAL_PRESENCE_PRESENT = 0x0008,
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TPM_PHYSICAL_PRESENCE_LOCK = 0x0004,
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};
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enum tpm_nv_index {
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TPM_NV_INDEX_LOCK = 0xffffffff,
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TPM_NV_INDEX_0 = 0x00000000,
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TPM_NV_INDEX_DIR = 0x10000001,
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};
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enum tpm_resource_type {
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TPM_RT_KEY = 0x00000001,
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TPM_RT_AUTH = 0x00000002,
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TPM_RT_HASH = 0x00000003,
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TPM_RT_TRANS = 0x00000004,
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TPM_RT_CONTEXT = 0x00000005,
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TPM_RT_COUNTER = 0x00000006,
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TPM_RT_DELEGATE = 0x00000007,
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TPM_RT_DAA_TPM = 0x00000008,
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TPM_RT_DAA_V0 = 0x00000009,
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TPM_RT_DAA_V1 = 0x0000000A,
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};
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enum tpm_capability_areas {
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TPM_CAP_ORD = 0x00000001,
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TPM_CAP_ALG = 0x00000002,
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TPM_CAP_PID = 0x00000003,
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TPM_CAP_FLAG = 0x00000004,
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TPM_CAP_PROPERTY = 0x00000005,
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TPM_CAP_VERSION = 0x00000006,
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TPM_CAP_KEY_HANDLE = 0x00000007,
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TPM_CAP_CHECK_LOADED = 0x00000008,
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TPM_CAP_SYM_MODE = 0x00000009,
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TPM_CAP_KEY_STATUS = 0x0000000C,
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TPM_CAP_NV_LIST = 0x0000000D,
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TPM_CAP_MFR = 0x00000010,
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TPM_CAP_NV_INDEX = 0x00000011,
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TPM_CAP_TRANS_ALG = 0x00000012,
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TPM_CAP_HANDLE = 0x00000014,
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TPM_CAP_TRANS_ES = 0x00000015,
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TPM_CAP_AUTH_ENCRYPT = 0x00000017,
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TPM_CAP_SELECT_SIZE = 0x00000018,
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TPM_CAP_DA_LOGIC = 0x00000019,
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TPM_CAP_VERSION_VAL = 0x0000001A,
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};
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enum tmp_cap_flag {
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TPM_CAP_FLAG_PERMANENT = 0x108,
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};
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#define TPM_TAG_PERMANENT_FLAGS 0x001f
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#define TPM_NV_PER_GLOBALLOCK BIT(15)
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#define TPM_NV_PER_PPREAD BIT(16)
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#define TPM_NV_PER_PPWRITE BIT(0)
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#define TPM_NV_PER_READ_STCLEAR BIT(31)
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#define TPM_NV_PER_WRITE_STCLEAR BIT(14)
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#define TPM_NV_PER_WRITEDEFINE BIT(13)
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#define TPM_NV_PER_WRITEALL BIT(12)
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enum {
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TPM_PUBEK_SIZE = 256,
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};
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enum {
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TPM_CMD_EXTEND = 0x14,
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TPM_CMD_GET_CAPABILITY = 0x65,
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TPM_CMD_NV_DEFINE_SPACE = 0xcc,
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TPM_CMD_NV_WRITE_VALUE = 0xcd,
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TPM_CMD_NV_READ_VALUE = 0xcf,
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};
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/**
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* TPM return codes as defined in the TCG Main specification
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* (TPM Main Part 2 Structures; Specification version 1.2)
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*/
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enum tpm_return_code {
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TPM_BASE = 0x00000000,
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TPM_NON_FATAL = 0x00000800,
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TPM_SUCCESS = TPM_BASE,
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/* TPM-defined fatal error codes */
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TPM_AUTHFAIL = TPM_BASE + 1,
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TPM_BADINDEX = TPM_BASE + 2,
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TPM_BAD_PARAMETER = TPM_BASE + 3,
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TPM_AUDITFAILURE = TPM_BASE + 4,
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TPM_CLEAR_DISABLED = TPM_BASE + 5,
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TPM_DEACTIVATED = TPM_BASE + 6,
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TPM_DISABLED = TPM_BASE + 7,
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TPM_DISABLED_CMD = TPM_BASE + 8,
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TPM_FAIL = TPM_BASE + 9,
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TPM_BAD_ORDINAL = TPM_BASE + 10,
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TPM_INSTALL_DISABLED = TPM_BASE + 11,
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TPM_INVALID_KEYHANDLE = TPM_BASE + 12,
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TPM_KEYNOTFOUND = TPM_BASE + 13,
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TPM_INAPPROPRIATE_ENC = TPM_BASE + 14,
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TPM_MIGRATE_FAIL = TPM_BASE + 15,
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TPM_INVALID_PCR_INFO = TPM_BASE + 16,
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TPM_NOSPACE = TPM_BASE + 17,
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TPM_NOSRK = TPM_BASE + 18,
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TPM_NOTSEALED_BLOB = TPM_BASE + 19,
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TPM_OWNER_SET = TPM_BASE + 20,
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TPM_RESOURCES = TPM_BASE + 21,
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TPM_SHORTRANDOM = TPM_BASE + 22,
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TPM_SIZE = TPM_BASE + 23,
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TPM_WRONGPCRVAL = TPM_BASE + 24,
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TPM_BAD_PARAM_SIZE = TPM_BASE + 25,
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TPM_SHA_THREAD = TPM_BASE + 26,
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TPM_SHA_ERROR = TPM_BASE + 27,
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TPM_FAILEDSELFTEST = TPM_BASE + 28,
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TPM_AUTH2FAIL = TPM_BASE + 29,
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TPM_BADTAG = TPM_BASE + 30,
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TPM_IOERROR = TPM_BASE + 31,
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TPM_ENCRYPT_ERROR = TPM_BASE + 32,
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TPM_DECRYPT_ERROR = TPM_BASE + 33,
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TPM_INVALID_AUTHHANDLE = TPM_BASE + 34,
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TPM_NO_ENDORSEMENT = TPM_BASE + 35,
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TPM_INVALID_KEYUSAGE = TPM_BASE + 36,
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TPM_WRONG_ENTITYTYPE = TPM_BASE + 37,
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TPM_INVALID_POSTINIT = TPM_BASE + 38,
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TPM_INAPPROPRIATE_SIG = TPM_BASE + 39,
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TPM_BAD_KEY_PROPERTY = TPM_BASE + 40,
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TPM_BAD_MIGRATION = TPM_BASE + 41,
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TPM_BAD_SCHEME = TPM_BASE + 42,
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TPM_BAD_DATASIZE = TPM_BASE + 43,
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TPM_BAD_MODE = TPM_BASE + 44,
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TPM_BAD_PRESENCE = TPM_BASE + 45,
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TPM_BAD_VERSION = TPM_BASE + 46,
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TPM_NO_WRAP_TRANSPORT = TPM_BASE + 47,
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TPM_AUDITFAIL_UNSUCCESSFUL = TPM_BASE + 48,
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TPM_AUDITFAIL_SUCCESSFUL = TPM_BASE + 49,
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TPM_NOTRESETABLE = TPM_BASE + 50,
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TPM_NOTLOCAL = TPM_BASE + 51,
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TPM_BAD_TYPE = TPM_BASE + 52,
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TPM_INVALID_RESOURCE = TPM_BASE + 53,
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TPM_NOTFIPS = TPM_BASE + 54,
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TPM_INVALID_FAMILY = TPM_BASE + 55,
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TPM_NO_NV_PERMISSION = TPM_BASE + 56,
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TPM_REQUIRES_SIGN = TPM_BASE + 57,
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TPM_KEY_NOTSUPPORTED = TPM_BASE + 58,
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TPM_AUTH_CONFLICT = TPM_BASE + 59,
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TPM_AREA_LOCKED = TPM_BASE + 60,
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TPM_BAD_LOCALITY = TPM_BASE + 61,
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TPM_READ_ONLY = TPM_BASE + 62,
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TPM_PER_NOWRITE = TPM_BASE + 63,
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TPM_FAMILY_COUNT = TPM_BASE + 64,
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TPM_WRITE_LOCKED = TPM_BASE + 65,
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TPM_BAD_ATTRIBUTES = TPM_BASE + 66,
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TPM_INVALID_STRUCTURE = TPM_BASE + 67,
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TPM_KEY_OWNER_CONTROL = TPM_BASE + 68,
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TPM_BAD_COUNTER = TPM_BASE + 69,
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TPM_NOT_FULLWRITE = TPM_BASE + 70,
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TPM_CONTEXT_GAP = TPM_BASE + 71,
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TPM_MAXNVWRITES = TPM_BASE + 72,
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TPM_NOOPERATOR = TPM_BASE + 73,
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TPM_RESOURCEMISSING = TPM_BASE + 74,
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TPM_DELEGATE_LOCK = TPM_BASE + 75,
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TPM_DELEGATE_FAMILY = TPM_BASE + 76,
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TPM_DELEGATE_ADMIN = TPM_BASE + 77,
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TPM_TRANSPORT_NOTEXCLUSIVE = TPM_BASE + 78,
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TPM_OWNER_CONTROL = TPM_BASE + 79,
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TPM_DAA_RESOURCES = TPM_BASE + 80,
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TPM_DAA_INPUT_DATA0 = TPM_BASE + 81,
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TPM_DAA_INPUT_DATA1 = TPM_BASE + 82,
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TPM_DAA_ISSUER_SETTINGS = TPM_BASE + 83,
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TPM_DAA_TPM_SETTINGS = TPM_BASE + 84,
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TPM_DAA_STAGE = TPM_BASE + 85,
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TPM_DAA_ISSUER_VALIDITY = TPM_BASE + 86,
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TPM_DAA_WRONG_W = TPM_BASE + 87,
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TPM_BAD_HANDLE = TPM_BASE + 88,
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TPM_BAD_DELEGATE = TPM_BASE + 89,
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TPM_BADCONTEXT = TPM_BASE + 90,
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TPM_TOOMANYCONTEXTS = TPM_BASE + 91,
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TPM_MA_TICKET_SIGNATURE = TPM_BASE + 92,
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TPM_MA_DESTINATION = TPM_BASE + 93,
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TPM_MA_SOURCE = TPM_BASE + 94,
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TPM_MA_AUTHORITY = TPM_BASE + 95,
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TPM_PERMANENTEK = TPM_BASE + 97,
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TPM_BAD_SIGNATURE = TPM_BASE + 98,
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TPM_NOCONTEXTSPACE = TPM_BASE + 99,
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/* TPM-defined non-fatal errors */
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TPM_RETRY = TPM_BASE + TPM_NON_FATAL,
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TPM_NEEDS_SELFTEST = TPM_BASE + TPM_NON_FATAL + 1,
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TPM_DOING_SELFTEST = TPM_BASE + TPM_NON_FATAL + 2,
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TPM_DEFEND_LOCK_RUNNING = TPM_BASE + TPM_NON_FATAL + 3,
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};
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struct tpm_permanent_flags {
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__be16 tag;
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u8 disable;
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u8 ownership;
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u8 deactivated;
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u8 read_pubek;
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u8 disable_owner_clear;
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u8 allow_maintenance;
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u8 physical_presence_lifetime_lock;
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u8 physical_presence_hw_enable;
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u8 physical_presence_cmd_enable;
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u8 cekp_used;
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u8 tpm_post;
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u8 tpm_post_lock;
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u8 fips;
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u8 operator;
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u8 enable_revoke_ek;
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u8 nv_locked;
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u8 read_srk_pub;
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u8 tpm_established;
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u8 maintenance_done;
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u8 disable_full_da_logic_info;
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} __packed;
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#define TPM_SHA1_160_HASH_LEN 0x14
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struct __packed tpm_composite_hash {
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u8 digest[TPM_SHA1_160_HASH_LEN];
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};
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struct __packed tpm_pcr_selection {
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__be16 size_of_select;
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u8 pcr_select[3]; /* matches vboot's struct */
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};
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struct __packed tpm_pcr_info_short {
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struct tpm_pcr_selection pcr_selection;
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u8 locality_at_release;
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struct tpm_composite_hash digest_at_release;
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};
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struct __packed tpm_nv_attributes {
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__be16 tag;
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__be32 attributes;
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};
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struct __packed tpm_nv_data_public {
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__be16 tag;
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__be32 nv_index;
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struct tpm_pcr_info_short pcr_info_read;
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struct tpm_pcr_info_short pcr_info_write;
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struct tpm_nv_attributes permission;
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u8 read_st_clear;
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u8 write_st_clear;
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u8 write_define;
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__be32 data_size;
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};
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/**
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* Issue a TPM_Startup command.
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*
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* @param dev TPM device
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* @param mode TPM startup mode
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* Return: return code of the operation
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*/
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u32 tpm1_startup(struct udevice *dev, enum tpm_startup_type mode);
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/**
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* Issue a TPM_SelfTestFull command.
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*
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* @param dev TPM device
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* Return: return code of the operation
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*/
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u32 tpm1_self_test_full(struct udevice *dev);
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/**
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* Issue a TPM_ContinueSelfTest command.
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*
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* @param dev TPM device
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* Return: return code of the operation
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*/
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u32 tpm1_continue_self_test(struct udevice *dev);
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/**
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* Issue a TPM_NV_DefineSpace command. The implementation is limited
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* to specify TPM_NV_ATTRIBUTES and size of the area. The area index
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* could be one of the special value listed in enum tpm_nv_index.
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*
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* @param dev TPM device
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* @param index index of the area
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* @param perm TPM_NV_ATTRIBUTES of the area
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* @param size size of the area
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* Return: return code of the operation
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*/
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u32 tpm1_nv_define_space(struct udevice *dev, u32 index, u32 perm, u32 size);
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/**
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* Issue a TPM_NV_ReadValue command. This implementation is limited
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* to read the area from offset 0. The area index could be one of
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* the special value listed in enum tpm_nv_index.
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*
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* @param dev TPM device
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* @param index index of the area
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* @param data output buffer of the area contents
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* @param count size of output buffer
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* Return: return code of the operation
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*/
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u32 tpm1_nv_read_value(struct udevice *dev, u32 index, void *data, u32 count);
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/**
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* Issue a TPM_NV_WriteValue command. This implementation is limited
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* to write the area from offset 0. The area index could be one of
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* the special value listed in enum tpm_nv_index.
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*
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* @param dev TPM device
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* @param index index of the area
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* @param data input buffer to be wrote to the area
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* @param length length of data bytes of input buffer
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* Return: return code of the operation
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*/
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u32 tpm1_nv_write_value(struct udevice *dev, u32 index, const void *data,
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u32 length);
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/**
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* Issue a TPM_Extend command.
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*
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* @param dev TPM device
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* @param index index of the PCR
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* @param in_digest 160-bit value representing the event to be
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* recorded
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* @param out_digest 160-bit PCR value after execution of the
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* command
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* Return: return code of the operation
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*/
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u32 tpm1_extend(struct udevice *dev, u32 index, const void *in_digest,
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void *out_digest);
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/**
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* Issue a TPM_PCRRead command.
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*
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* @param dev TPM device
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* @param index index of the PCR
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* @param data output buffer for contents of the named PCR
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* @param count size of output buffer
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* Return: return code of the operation
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*/
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u32 tpm1_pcr_read(struct udevice *dev, u32 index, void *data, size_t count);
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/**
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* Issue a TSC_PhysicalPresence command. TPM physical presence flag
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* is bit-wise OR'ed of flags listed in enum tpm_physical_presence.
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*
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* @param dev TPM device
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* @param presence TPM physical presence flag
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* Return: return code of the operation
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*/
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u32 tpm1_tsc_physical_presence(struct udevice *dev, u16 presence);
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/**
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* Issue a TPM_ReadPubek command.
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*
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* @param dev TPM device
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* @param data output buffer for the public endorsement key
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* @param count size of output buffer
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* Return: return code of the operation
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*/
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u32 tpm1_read_pubek(struct udevice *dev, void *data, size_t count);
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/**
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* Issue a TPM_ForceClear command.
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*
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* @param dev TPM device
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* Return: return code of the operation
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*/
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u32 tpm1_force_clear(struct udevice *dev);
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/**
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* Issue a TPM_PhysicalEnable command.
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*
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* @param dev TPM device
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* Return: return code of the operation
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*/
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u32 tpm1_physical_enable(struct udevice *dev);
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/**
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* Issue a TPM_PhysicalDisable command.
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*
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* @param dev TPM device
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* Return: return code of the operation
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*/
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u32 tpm1_physical_disable(struct udevice *dev);
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/**
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* Issue a TPM_PhysicalSetDeactivated command.
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*
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* @param dev TPM device
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* @param state boolean state of the deactivated flag
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* Return: return code of the operation
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*/
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u32 tpm1_physical_set_deactivated(struct udevice *dev, u8 state);
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/**
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* Issue a TPM_GetCapability command. This implementation is limited
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* to query sub_cap index that is 4-byte wide.
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*
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* @param dev TPM device
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* @param cap_area partition of capabilities
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* @param sub_cap further definition of capability, which is
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* limited to be 4-byte wide
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* @param cap output buffer for capability information
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* @param count size of output buffer
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* Return: return code of the operation
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*/
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u32 tpm1_get_capability(struct udevice *dev, u32 cap_area, u32 sub_cap,
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void *cap, size_t count);
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/**
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* Issue a TPM_FlushSpecific command for a AUTH resource.
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*
|
|
* @param dev TPM device
|
|
* @param auth_handle handle of the auth session
|
|
* Return: return code of the operation
|
|
*/
|
|
u32 tpm1_terminate_auth_session(struct udevice *dev, u32 auth_handle);
|
|
|
|
/**
|
|
* Issue a TPM_OIAP command to setup an object independent authorization
|
|
* session.
|
|
* Information about the session is stored internally.
|
|
* If there was already an OIAP session active it is terminated and a new
|
|
* session is set up.
|
|
*
|
|
* @param dev TPM device
|
|
* @param auth_handle pointer to the (new) auth handle or NULL.
|
|
* Return: return code of the operation
|
|
*/
|
|
u32 tpm1_oiap(struct udevice *dev, u32 *auth_handle);
|
|
|
|
/**
|
|
* Ends an active OIAP session.
|
|
*
|
|
* @param dev TPM device
|
|
* Return: return code of the operation
|
|
*/
|
|
u32 tpm1_end_oiap(struct udevice *dev);
|
|
|
|
/**
|
|
* Issue a TPM_LoadKey2 (Auth1) command using an OIAP session for authenticating
|
|
* the usage of the parent key.
|
|
*
|
|
* @param dev TPM device
|
|
* @param parent_handle handle of the parent key.
|
|
* @param key pointer to the key structure (TPM_KEY or TPM_KEY12).
|
|
* @param key_length size of the key structure
|
|
* @param parent_key_usage_auth usage auth for the parent key
|
|
* @param key_handle pointer to the key handle
|
|
* Return: return code of the operation
|
|
*/
|
|
u32 tpm1_load_key2_oiap(struct udevice *dev, u32 parent_handle, const void *key,
|
|
size_t key_length, const void *parent_key_usage_auth,
|
|
u32 *key_handle);
|
|
|
|
/**
|
|
* Issue a TPM_GetPubKey (Auth1) command using an OIAP session for
|
|
* authenticating the usage of the key.
|
|
*
|
|
* @param dev TPM device
|
|
* @param key_handle handle of the key
|
|
* @param usage_auth usage auth for the key
|
|
* @param pubkey pointer to the pub key buffer; may be NULL if the pubkey
|
|
* should not be stored.
|
|
* @param pubkey_len pointer to the pub key buffer len. On entry: the size of
|
|
* the provided pubkey buffer. On successful exit: the size
|
|
* of the stored TPM_PUBKEY structure (iff pubkey != NULL).
|
|
* Return: return code of the operation
|
|
*/
|
|
u32 tpm1_get_pub_key_oiap(struct udevice *dev, u32 key_handle,
|
|
const void *usage_auth, void *pubkey,
|
|
size_t *pubkey_len);
|
|
|
|
/**
|
|
* Get the TPM permanent flags value
|
|
*
|
|
* @param dev TPM device
|
|
* @param pflags Place to put permanent flags
|
|
* Return: return code of the operation
|
|
*/
|
|
u32 tpm1_get_permanent_flags(struct udevice *dev,
|
|
struct tpm_permanent_flags *pflags);
|
|
|
|
/**
|
|
* Get the TPM permissions
|
|
*
|
|
* @param dev TPM device
|
|
* @param perm Returns permissions value
|
|
* Return: return code of the operation
|
|
*/
|
|
u32 tpm1_get_permissions(struct udevice *dev, u32 index, u32 *perm);
|
|
|
|
/**
|
|
* Flush a resource with a given handle and type from the TPM
|
|
*
|
|
* @param dev TPM device
|
|
* @param key_handle handle of the resource
|
|
* @param resource_type type of the resource
|
|
* Return: return code of the operation
|
|
*/
|
|
u32 tpm1_flush_specific(struct udevice *dev, u32 key_handle, u32 resource_type);
|
|
|
|
#ifdef CONFIG_TPM_LOAD_KEY_BY_SHA1
|
|
/**
|
|
* Search for a key by usage AuthData and the hash of the parent's pub key.
|
|
*
|
|
* @param dev TPM device
|
|
* @param auth Usage auth of the key to search for
|
|
* @param pubkey_digest SHA1 hash of the pub key structure of the key
|
|
* @param[out] handle The handle of the key (Non-null iff found)
|
|
* Return: 0 if key was found in TPM; != 0 if not.
|
|
*/
|
|
u32 tpm1_find_key_sha1(struct udevice *dev, const u8 auth[20],
|
|
const u8 pubkey_digest[20], u32 *handle);
|
|
#endif /* CONFIG_TPM_LOAD_KEY_BY_SHA1 */
|
|
|
|
/**
|
|
* Read random bytes from the TPM RNG. The implementation deals with the fact
|
|
* that the TPM may legally return fewer bytes than requested by retrying
|
|
* until @p count bytes have been received.
|
|
*
|
|
* @param dev TPM device
|
|
* @param data output buffer for the random bytes
|
|
* @param count size of output buffer
|
|
* Return: return code of the operation
|
|
*/
|
|
u32 tpm1_get_random(struct udevice *dev, void *data, u32 count);
|
|
|
|
/**
|
|
* tpm_finalise_physical_presence() - Finalise physical presence
|
|
*
|
|
* @param dev TPM device
|
|
* Return: return code of the operation (0 = success)
|
|
*/
|
|
u32 tpm1_finalise_physical_presence(struct udevice *dev);
|
|
|
|
/**
|
|
* tpm_nv_enable_locking() - lock the non-volatile space
|
|
*
|
|
* @param dev TPM device
|
|
* Return: return code of the operation (0 = success)
|
|
*/
|
|
u32 tpm1_nv_set_locked(struct udevice *dev);
|
|
|
|
/**
|
|
* tpm_set_global_lock() - set the global lock
|
|
*
|
|
* @param dev TPM device
|
|
* Return: return code of the operation (0 = success)
|
|
*/
|
|
u32 tpm_set_global_lock(struct udevice *dev);
|
|
|
|
/**
|
|
* tpm_resume() - start up the TPM from resume (after suspend)
|
|
*
|
|
* @param dev TPM device
|
|
* Return: return code of the operation (0 = success)
|
|
*/
|
|
u32 tpm1_resume(struct udevice *dev);
|
|
|
|
#endif /* __TPM_V1_H */
|