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/*
* tpm_bios. -- Header file for tpm_bios.c
*
* Authors: Stefan Berger <stefanb@us.ibm.com>
*
* (c) Copyright IBM Corporation 2016.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the names of the IBM Corporation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SWTPM_BIOS_H
#define _SWTPM_BIOS_H
#include <stdint.h>
/* constants for TPM 1.2 */
#define TPM_TAG_RQU_COMMAND 0x00c1
#define TPM_ST_CLEAR 0x0001
#define TPM_ST_STATE 0x0002
#define TPM_ST_DEACTIVATED 0x0003
#define TPM_ORD_ContinueSelfTest 0x00000053
#define TPM_ORD_GetCapability 0x00000065
#define TPM_ORD_PhysicalEnable 0x0000006f
#define TPM_ORD_PhysicalDisable 0x00000070
#define TPM_ORD_PhysicalSetDeactivated 0x00000072
#define TPM_ORD_Startup 0x00000099
#define TPM_ORD_PhysicalPresence 0x4000000a
#define TPM_PHYSICAL_PRESENCE_PRESENT 0x0008
#define TPM_PHYSICAL_PRESENCE_LOCK 0x0004
#define TPM_PHYSICAL_PRESENCE_NOTPRESENT 0x0010
#define TPM_PHYSICAL_PRESENCE_CMD_ENABLE 0x0020
#define TPM_CAP_FLAG 0x00000004
#define TPM_CAP_FLAG_PERMANENT 0x00000108
#define TPM_PERM_FLAG_DEACTIVATED_IDX 2
/* data structures for TPM 1.2 */
struct tpm_header {
uint16_t tag;
uint32_t length;
uint32_t ordinal;
} __attribute__((packed));
struct tpm_resp_header {
uint16_t tag;
uint32_t length;
uint32_t result;
} __attribute__((packed));
struct tpm_startup {
struct tpm_header hdr;
uint16_t startup_type;
} __attribute__((packed));
struct tsc_physical_presence {
struct tpm_header hdr;
uint16_t physical_presence;
} __attribute__((packed));
struct tpm_physical_enable {
struct tpm_header hdr;
} __attribute__((packed));
struct tpm_physical_set_deactivated {
struct tpm_header hdr;
uint8_t state;
} __attribute__((packed));
struct tpm_continue_selftest {
struct tpm_header hdr;
} __attribute__((packed));
struct tpm_get_capability_subcap {
struct tpm_header hdr;
uint32_t cap;
uint32_t subcap_size;
uint32_t subcap;
} __attribute__((packed));
struct tpm_get_capability_permflags_res {
struct tpm_resp_header hdr;
uint32_t size;
uint16_t tag;
uint8_t flags[20];
} __attribute__((packed));
/* constants for TPM 2 */
#define TPM2_ST_NO_SESSIONS 0x8001
#define TPM2_ST_SESSIONS 0x8002
#define TPM2_CC_HierarchyChangeAuth 0x00000129
#define TPM2_CC_IncrementalSelfTest 0x00000142
#define TPM2_CC_Startup 0x00000144
#define TPM2_SU_CLEAR 0x0000
#define TPM2_SU_STATE 0x0001
#define TPM2_ALG_SHA1 0x0004
#define TPM2_RS_PW 0x40000009
#define TPM2_RH_PLATFORM 0x4000000c
/* data structures for TPM 2 */
struct tpm2_startup {
struct tpm_header hdr;
uint16_t startup_type;
} __attribute__((packed));
struct tpm2l_alg_1_entry {
uint32_t num_entries;
uint16_t algids[1];
} __attribute__((packed));
struct tpm2_incremental_selftest {
struct tpm_header hdr;
struct tpm2l_alg_1_entry to_test;
} __attribute__((packed));
struct tpm2_authblock {
uint32_t handle;
uint16_t nonce_size;
uint8_t cont;
uint16_t password_size;
} __attribute__((packed));
struct tpm2b_20 {
uint16_t size;
uint8_t buffer[20];
} __attribute__((packed));
struct tpm2_hierarchy_change_auth {
struct tpm_header hdr;
uint32_t authhandle;
uint32_t authblock_size;
struct tpm2_authblock authblock;
struct tpm2b_20 newauth;
} __attribute__((packed));
#endif /* _SWTPM_BIOS_H */