android_kernel_xiaomi_sm8350/include/linux/tpm.h
Rajiv Andrade 659aaf2bb5 TPM: integrity interface
This patch adds internal kernel support for:
 - reading/extending a pcr value
 - looking up the tpm_chip for a given chip number

Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
2009-02-03 11:23:12 +11:00

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/*
* Copyright (C) 2004,2007,2008 IBM Corporation
*
* Authors:
* Leendert van Doorn <leendert@watson.ibm.com>
* Dave Safford <safford@watson.ibm.com>
* Reiner Sailer <sailer@watson.ibm.com>
* Kylene Hall <kjhall@us.ibm.com>
* Debora Velarde <dvelarde@us.ibm.com>
*
* Maintained by: <tpmdd_devel@lists.sourceforge.net>
*
* Device driver for TCG/TCPA TPM (trusted platform module).
* Specifications at www.trustedcomputinggroup.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2 of the
* License.
*
*/
#ifndef __LINUX_TPM_H__
#define __LINUX_TPM_H__
/*
* Chip num is this value or a valid tpm idx
*/
#define TPM_ANY_NUM 0xFFFF
#if defined(CONFIG_TCG_TPM)
extern int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf);
extern int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash);
#endif
#endif