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
30