2 * Copyright (C) 2004,2007,2008 IBM Corporation
5 * Leendert van Doorn <leendert@watson.ibm.com>
6 * Dave Safford <safford@watson.ibm.com>
7 * Reiner Sailer <sailer@watson.ibm.com>
8 * Kylene Hall <kjhall@us.ibm.com>
9 * Debora Velarde <dvelarde@us.ibm.com>
11 * Maintained by: <tpmdd_devel@lists.sourceforge.net>
13 * Device driver for TCG/TCPA TPM (trusted platform module).
14 * Specifications at www.trustedcomputinggroup.org
16 * This program is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU General Public License as
18 * published by the Free Software Foundation, version 2 of the
22 #ifndef __LINUX_TPM_H__
23 #define __LINUX_TPM_H__
26 * Chip num is this value or a valid tpm idx
28 #define TPM_ANY_NUM 0xFFFF
30 #if defined(CONFIG_TCG_TPM) || defined(CONFIG_TCG_TPM_MODULE)
32 extern int tpm_pcr_read(u32 chip_num
, int pcr_idx
, u8
*res_buf
);
33 extern int tpm_pcr_extend(u32 chip_num
, int pcr_idx
, const u8
*hash
);
34 extern int tpm_send(u32 chip_num
, void *cmd
, size_t buflen
);
36 static inline int tpm_pcr_read(u32 chip_num
, int pcr_idx
, u8
*res_buf
) {
39 static inline int tpm_pcr_extend(u32 chip_num
, int pcr_idx
, const u8
*hash
) {
42 static inline int tpm_send(u32 chip_num
, void *cmd
, size_t buflen
) {
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