1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __LINUX_TPM_COMMAND_H__
 3#define __LINUX_TPM_COMMAND_H__
 4
 5/*
 6 * TPM Command constants from specifications at
 7 * http://www.trustedcomputinggroup.org
 8 */
 9
10/* Command TAGS */
11#define TPM_TAG_RQU_COMMAND             193
12#define TPM_TAG_RQU_AUTH1_COMMAND       194
13#define TPM_TAG_RQU_AUTH2_COMMAND       195
14#define TPM_TAG_RSP_COMMAND             196
15#define TPM_TAG_RSP_AUTH1_COMMAND       197
16#define TPM_TAG_RSP_AUTH2_COMMAND       198
17
18/* Command Ordinals */
19#define TPM_ORD_GETRANDOM               70
20#define TPM_ORD_OSAP                    11
21#define TPM_ORD_OIAP                    10
22#define TPM_ORD_SEAL                    23
23#define TPM_ORD_UNSEAL                  24
24
25/* Other constants */
26#define SRKHANDLE                       0x40000000
27#define TPM_NONCE_SIZE                  20
28
29#endif