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u-boot/include/tpm-v1.h
Simon Glass a11be4c303 tpm: Implement tpm_auto_start() for TPMv1.2 
Add an implementation of this, moving the common call to tpm_init() up
into the common API implementation.

Add a test.

Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2023-02-28 09:44:33 +02:00

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2013 The Chromium OS Authors.
* Coypright (c) 2013 Guntermann & Drunck GmbH
*/
#ifndef __TPM_V1_H
#define __TPM_V1_H
#include <tpm-common.h>
#include <linux/bitops.h>
struct udevice;
/* Useful constants */
enum {
TPM_REQUEST_HEADER_LENGTH = 10,
TPM_RESPONSE_HEADER_LENGTH = 10,
PCR_DIGEST_LENGTH = 20,
DIGEST_LENGTH = 20,
TPM_REQUEST_AUTH_LENGTH = 45,
TPM_RESPONSE_AUTH_LENGTH = 41,
/* some max lengths, valid for RSA keys <= 2048 bits */
TPM_KEY12_MAX_LENGTH = 618,
TPM_PUBKEY_MAX_LENGTH = 288,
};
enum tpm_startup_type {
TPM_ST_CLEAR = 0x0001,
TPM_ST_STATE = 0x0002,
TPM_ST_DEACTIVATED = 0x0003,
};
enum tpm_physical_presence {
TPM_PHYSICAL_PRESENCE_HW_DISABLE = 0x0200,
TPM_PHYSICAL_PRESENCE_CMD_DISABLE = 0x0100,
TPM_PHYSICAL_PRESENCE_LIFETIME_LOCK = 0x0080,
TPM_PHYSICAL_PRESENCE_HW_ENABLE = 0x0040,
TPM_PHYSICAL_PRESENCE_CMD_ENABLE = 0x0020,
TPM_PHYSICAL_PRESENCE_NOTPRESENT = 0x0010,
TPM_PHYSICAL_PRESENCE_PRESENT = 0x0008,
TPM_PHYSICAL_PRESENCE_LOCK = 0x0004,
};
enum tpm_nv_index {
TPM_NV_INDEX_LOCK = 0xffffffff,
TPM_NV_INDEX_0 = 0x00000000,
TPM_NV_INDEX_DIR = 0x10000001,
};
enum tpm_resource_type {
TPM_RT_KEY = 0x00000001,
TPM_RT_AUTH = 0x00000002,
TPM_RT_HASH = 0x00000003,
TPM_RT_TRANS = 0x00000004,
TPM_RT_CONTEXT = 0x00000005,
TPM_RT_COUNTER = 0x00000006,
TPM_RT_DELEGATE = 0x00000007,
TPM_RT_DAA_TPM = 0x00000008,
TPM_RT_DAA_V0 = 0x00000009,
TPM_RT_DAA_V1 = 0x0000000A,
};
enum tpm_capability_areas {
TPM_CAP_ORD = 0x00000001,
TPM_CAP_ALG = 0x00000002,
TPM_CAP_PID = 0x00000003,
TPM_CAP_FLAG = 0x00000004,
TPM_CAP_PROPERTY = 0x00000005,
TPM_CAP_VERSION = 0x00000006,
TPM_CAP_KEY_HANDLE = 0x00000007,
TPM_CAP_CHECK_LOADED = 0x00000008,
TPM_CAP_SYM_MODE = 0x00000009,
TPM_CAP_KEY_STATUS = 0x0000000C,
TPM_CAP_NV_LIST = 0x0000000D,
TPM_CAP_MFR = 0x00000010,
TPM_CAP_NV_INDEX = 0x00000011,
TPM_CAP_TRANS_ALG = 0x00000012,
TPM_CAP_HANDLE = 0x00000014,
TPM_CAP_TRANS_ES = 0x00000015,
TPM_CAP_AUTH_ENCRYPT = 0x00000017,
TPM_CAP_SELECT_SIZE = 0x00000018,
TPM_CAP_DA_LOGIC = 0x00000019,
TPM_CAP_VERSION_VAL = 0x0000001A,
};
enum tmp_cap_flag {
TPM_CAP_FLAG_PERMANENT = 0x108,
};
#define TPM_TAG_PERMANENT_FLAGS 0x001f
#define TPM_NV_PER_GLOBALLOCK BIT(15)
#define TPM_NV_PER_PPREAD BIT(16)
#define TPM_NV_PER_PPWRITE BIT(0)
#define TPM_NV_PER_READ_STCLEAR BIT(31)
#define TPM_NV_PER_WRITE_STCLEAR BIT(14)
#define TPM_NV_PER_WRITEDEFINE BIT(13)
#define TPM_NV_PER_WRITEALL BIT(12)
enum {
TPM_PUBEK_SIZE = 256,
};
enum {
TPM_CMD_EXTEND = 0x14,
TPM_CMD_GET_CAPABILITY = 0x65,
TPM_CMD_NV_DEFINE_SPACE = 0xcc,
TPM_CMD_NV_WRITE_VALUE = 0xcd,
TPM_CMD_NV_READ_VALUE = 0xcf,
};
/**
* TPM return codes as defined in the TCG Main specification
* (TPM Main Part 2 Structures; Specification version 1.2)
*/
enum tpm_return_code {
TPM_BASE = 0x00000000,
TPM_NON_FATAL = 0x00000800,
TPM_SUCCESS = TPM_BASE,
/* TPM-defined fatal error codes */
TPM_AUTHFAIL = TPM_BASE + 1,
TPM_BADINDEX = TPM_BASE + 2,
TPM_BAD_PARAMETER = TPM_BASE + 3,
TPM_AUDITFAILURE = TPM_BASE + 4,
TPM_CLEAR_DISABLED = TPM_BASE + 5,
TPM_DEACTIVATED = TPM_BASE + 6,
TPM_DISABLED = TPM_BASE + 7,
TPM_DISABLED_CMD = TPM_BASE + 8,
TPM_FAIL = TPM_BASE + 9,
TPM_BAD_ORDINAL = TPM_BASE + 10,
TPM_INSTALL_DISABLED = TPM_BASE + 11,
TPM_INVALID_KEYHANDLE = TPM_BASE + 12,
TPM_KEYNOTFOUND = TPM_BASE + 13,
TPM_INAPPROPRIATE_ENC = TPM_BASE + 14,
TPM_MIGRATE_FAIL = TPM_BASE + 15,
TPM_INVALID_PCR_INFO = TPM_BASE + 16,
TPM_NOSPACE = TPM_BASE + 17,
TPM_NOSRK = TPM_BASE + 18,
TPM_NOTSEALED_BLOB = TPM_BASE + 19,
TPM_OWNER_SET = TPM_BASE + 20,
TPM_RESOURCES = TPM_BASE + 21,
TPM_SHORTRANDOM = TPM_BASE + 22,
TPM_SIZE = TPM_BASE + 23,
TPM_WRONGPCRVAL = TPM_BASE + 24,
TPM_BAD_PARAM_SIZE = TPM_BASE + 25,
TPM_SHA_THREAD = TPM_BASE + 26,
TPM_SHA_ERROR = TPM_BASE + 27,
TPM_FAILEDSELFTEST = TPM_BASE + 28,
TPM_AUTH2FAIL = TPM_BASE + 29,
TPM_BADTAG = TPM_BASE + 30,
TPM_IOERROR = TPM_BASE + 31,
TPM_ENCRYPT_ERROR = TPM_BASE + 32,
TPM_DECRYPT_ERROR = TPM_BASE + 33,
TPM_INVALID_AUTHHANDLE = TPM_BASE + 34,
TPM_NO_ENDORSEMENT = TPM_BASE + 35,
TPM_INVALID_KEYUSAGE = TPM_BASE + 36,
TPM_WRONG_ENTITYTYPE = TPM_BASE + 37,
TPM_INVALID_POSTINIT = TPM_BASE + 38,
TPM_INAPPROPRIATE_SIG = TPM_BASE + 39,
TPM_BAD_KEY_PROPERTY = TPM_BASE + 40,
TPM_BAD_MIGRATION = TPM_BASE + 41,
TPM_BAD_SCHEME = TPM_BASE + 42,
TPM_BAD_DATASIZE = TPM_BASE + 43,
TPM_BAD_MODE = TPM_BASE + 44,
TPM_BAD_PRESENCE = TPM_BASE + 45,
TPM_BAD_VERSION = TPM_BASE + 46,
TPM_NO_WRAP_TRANSPORT = TPM_BASE + 47,
TPM_AUDITFAIL_UNSUCCESSFUL = TPM_BASE + 48,
TPM_AUDITFAIL_SUCCESSFUL = TPM_BASE + 49,
TPM_NOTRESETABLE = TPM_BASE + 50,
TPM_NOTLOCAL = TPM_BASE + 51,
TPM_BAD_TYPE = TPM_BASE + 52,
TPM_INVALID_RESOURCE = TPM_BASE + 53,
TPM_NOTFIPS = TPM_BASE + 54,
TPM_INVALID_FAMILY = TPM_BASE + 55,
TPM_NO_NV_PERMISSION = TPM_BASE + 56,
TPM_REQUIRES_SIGN = TPM_BASE + 57,
TPM_KEY_NOTSUPPORTED = TPM_BASE + 58,
TPM_AUTH_CONFLICT = TPM_BASE + 59,
TPM_AREA_LOCKED = TPM_BASE + 60,
TPM_BAD_LOCALITY = TPM_BASE + 61,
TPM_READ_ONLY = TPM_BASE + 62,
TPM_PER_NOWRITE = TPM_BASE + 63,
TPM_FAMILY_COUNT = TPM_BASE + 64,
TPM_WRITE_LOCKED = TPM_BASE + 65,
TPM_BAD_ATTRIBUTES = TPM_BASE + 66,
TPM_INVALID_STRUCTURE = TPM_BASE + 67,
TPM_KEY_OWNER_CONTROL = TPM_BASE + 68,
TPM_BAD_COUNTER = TPM_BASE + 69,
TPM_NOT_FULLWRITE = TPM_BASE + 70,
TPM_CONTEXT_GAP = TPM_BASE + 71,
TPM_MAXNVWRITES = TPM_BASE + 72,
TPM_NOOPERATOR = TPM_BASE + 73,
TPM_RESOURCEMISSING = TPM_BASE + 74,
TPM_DELEGATE_LOCK = TPM_BASE + 75,
TPM_DELEGATE_FAMILY = TPM_BASE + 76,
TPM_DELEGATE_ADMIN = TPM_BASE + 77,
TPM_TRANSPORT_NOTEXCLUSIVE = TPM_BASE + 78,
TPM_OWNER_CONTROL = TPM_BASE + 79,
TPM_DAA_RESOURCES = TPM_BASE + 80,
TPM_DAA_INPUT_DATA0 = TPM_BASE + 81,
TPM_DAA_INPUT_DATA1 = TPM_BASE + 82,
TPM_DAA_ISSUER_SETTINGS = TPM_BASE + 83,
TPM_DAA_TPM_SETTINGS = TPM_BASE + 84,
TPM_DAA_STAGE = TPM_BASE + 85,
TPM_DAA_ISSUER_VALIDITY = TPM_BASE + 86,
TPM_DAA_WRONG_W = TPM_BASE + 87,
TPM_BAD_HANDLE = TPM_BASE + 88,
TPM_BAD_DELEGATE = TPM_BASE + 89,
TPM_BADCONTEXT = TPM_BASE + 90,
TPM_TOOMANYCONTEXTS = TPM_BASE + 91,
TPM_MA_TICKET_SIGNATURE = TPM_BASE + 92,
TPM_MA_DESTINATION = TPM_BASE + 93,
TPM_MA_SOURCE = TPM_BASE + 94,
TPM_MA_AUTHORITY = TPM_BASE + 95,
TPM_PERMANENTEK = TPM_BASE + 97,
TPM_BAD_SIGNATURE = TPM_BASE + 98,
TPM_NOCONTEXTSPACE = TPM_BASE + 99,
/* TPM-defined non-fatal errors */
TPM_RETRY = TPM_BASE + TPM_NON_FATAL,
TPM_NEEDS_SELFTEST = TPM_BASE + TPM_NON_FATAL + 1,
TPM_DOING_SELFTEST = TPM_BASE + TPM_NON_FATAL + 2,
TPM_DEFEND_LOCK_RUNNING = TPM_BASE + TPM_NON_FATAL + 3,
};
struct tpm_permanent_flags {
__be16 tag;
u8 disable;
u8 ownership;
u8 deactivated;
u8 read_pubek;
u8 disable_owner_clear;
u8 allow_maintenance;
u8 physical_presence_lifetime_lock;
u8 physical_presence_hw_enable;
u8 physical_presence_cmd_enable;
u8 cekp_used;
u8 tpm_post;
u8 tpm_post_lock;
u8 fips;
u8 operator;
u8 enable_revoke_ek;
u8 nv_locked;
u8 read_srk_pub;
u8 tpm_established;
u8 maintenance_done;
u8 disable_full_da_logic_info;
} __packed;
#define TPM_SHA1_160_HASH_LEN 0x14
struct __packed tpm_composite_hash {
u8 digest[TPM_SHA1_160_HASH_LEN];
};
struct __packed tpm_pcr_selection {
__be16 size_of_select;
u8 pcr_select[3]; /* matches vboot's struct */
};
struct __packed tpm_pcr_info_short {
struct tpm_pcr_selection pcr_selection;
u8 locality_at_release;
struct tpm_composite_hash digest_at_release;
};
struct __packed tpm_nv_attributes {
__be16 tag;
__be32 attributes;
};
struct __packed tpm_nv_data_public {
__be16 tag;
__be32 nv_index;
struct tpm_pcr_info_short pcr_info_read;
struct tpm_pcr_info_short pcr_info_write;
struct tpm_nv_attributes permission;
u8 read_st_clear;
u8 write_st_clear;
u8 write_define;
__be32 data_size;
};
/**
* Issue a TPM_Startup command.
*
* @param dev TPM device
* @param mode TPM startup mode
* Return: return code of the operation
*/
u32 tpm1_startup(struct udevice *dev, enum tpm_startup_type mode);
/**
* Issue a TPM_SelfTestFull command.
*
* @param dev TPM device
* Return: return code of the operation
*/
u32 tpm1_self_test_full(struct udevice *dev);
/**
* Issue a TPM_ContinueSelfTest command.
*
* @param dev TPM device
* Return: return code of the operation
*/
u32 tpm1_continue_self_test(struct udevice *dev);
/**
* Issue a TPM_NV_DefineSpace command. The implementation is limited
* to specify TPM_NV_ATTRIBUTES and size of the area. The area index
* could be one of the special value listed in enum tpm_nv_index.
*
* @param dev TPM device
* @param index index of the area
* @param perm TPM_NV_ATTRIBUTES of the area
* @param size size of the area
* Return: return code of the operation
*/
u32 tpm1_nv_define_space(struct udevice *dev, u32 index, u32 perm, u32 size);
/**
* Issue a TPM_NV_ReadValue command. This implementation is limited
* to read the area from offset 0. The area index could be one of
* the special value listed in enum tpm_nv_index.
*
* @param dev TPM device
* @param index index of the area
* @param data output buffer of the area contents
* @param count size of output buffer
* Return: return code of the operation
*/
u32 tpm1_nv_read_value(struct udevice *dev, u32 index, void *data, u32 count);
/**
* Issue a TPM_NV_WriteValue command. This implementation is limited
* to write the area from offset 0. The area index could be one of
* the special value listed in enum tpm_nv_index.
*
* @param dev TPM device
* @param index index of the area
* @param data input buffer to be wrote to the area
* @param length length of data bytes of input buffer
* Return: return code of the operation
*/
u32 tpm1_nv_write_value(struct udevice *dev, u32 index, const void *data,
u32 length);
/**
* Issue a TPM_Extend command.
*
* @param dev TPM device
* @param index index of the PCR
* @param in_digest 160-bit value representing the event to be
* recorded
* @param out_digest 160-bit PCR value after execution of the
* command
* Return: return code of the operation
*/
u32 tpm1_extend(struct udevice *dev, u32 index, const void *in_digest,
void *out_digest);
/**
* Issue a TPM_PCRRead command.
*
* @param dev TPM device
* @param index index of the PCR
* @param data output buffer for contents of the named PCR
* @param count size of output buffer
* Return: return code of the operation
*/
u32 tpm1_pcr_read(struct udevice *dev, u32 index, void *data, size_t count);
/**
* Issue a TSC_PhysicalPresence command. TPM physical presence flag
* is bit-wise OR'ed of flags listed in enum tpm_physical_presence.
*
* @param dev TPM device
* @param presence TPM physical presence flag
* Return: return code of the operation
*/
u32 tpm1_tsc_physical_presence(struct udevice *dev, u16 presence);
/**
* Issue a TPM_ReadPubek command.
*
* @param dev TPM device
* @param data output buffer for the public endorsement key
* @param count size of output buffer
* Return: return code of the operation
*/
u32 tpm1_read_pubek(struct udevice *dev, void *data, size_t count);
/**
* Issue a TPM_ForceClear command.
*
* @param dev TPM device
* Return: return code of the operation
*/
u32 tpm1_force_clear(struct udevice *dev);
/**
* Issue a TPM_PhysicalEnable command.
*
* @param dev TPM device
* Return: return code of the operation
*/
u32 tpm1_physical_enable(struct udevice *dev);
/**
* Issue a TPM_PhysicalDisable command.
*
* @param dev TPM device
* Return: return code of the operation
*/
u32 tpm1_physical_disable(struct udevice *dev);
/**
* Issue a TPM_PhysicalSetDeactivated command.
*
* @param dev TPM device
* @param state boolean state of the deactivated flag
* Return: return code of the operation
*/
u32 tpm1_physical_set_deactivated(struct udevice *dev, u8 state);
/**
* Issue a TPM_GetCapability command. This implementation is limited
* to query sub_cap index that is 4-byte wide.
*
* @param dev TPM device
* @param cap_area partition of capabilities
* @param sub_cap further definition of capability, which is
* limited to be 4-byte wide
* @param cap output buffer for capability information
* @param count size of output buffer
* Return: return code of the operation
*/
u32 tpm1_get_capability(struct udevice *dev, u32 cap_area, u32 sub_cap,
void *cap, size_t count);
/**
* Issue a TPM_FlushSpecific command for a AUTH resource.
*
* @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);
/**
* tpm1_auto_start() - start up the TPM
*
* This does not do a self test.
*
* @dev TPM device
* Return: TPM2_RC_SUCCESS, on success, or when the TPM returns
* TPM_INVALID_POSTINIT; TPM_FAILEDSELFTEST, if the TPM is in failure state
*/
u32 tpm1_auto_start(struct udevice *dev);
#endif /* __TPM_V1_H */
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