1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_TPM_COMMAND_H__
3 #define __LINUX_TPM_COMMAND_H__
6 * TPM Command constants from specifications at
7 * http://www.trustedcomputinggroup.org
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
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
26 #define SRKHANDLE 0x40000000
27 #define TPM_NONCE_SIZE 20