| 1 | /* |
| 2 | * Copyright (C) 2004,2007,2008 IBM Corporation |
| 3 | * |
| 4 | * Authors: |
| 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> |
| 10 | * |
| 11 | * Maintained by: <tpmdd_devel@lists.sourceforge.net> |
| 12 | * |
| 13 | * Device driver for TCG/TCPA TPM (trusted platform module). |
| 14 | * Specifications at www.trustedcomputinggroup.org |
| 15 | * |
| 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 |
| 19 | * License. |
| 20 | * |
| 21 | */ |
| 22 | #ifndef __LINUX_TPM_H__ |
| 23 | #define __LINUX_TPM_H__ |
| 24 | |
| 25 | /* |
| 26 | * Chip num is this value or a valid tpm idx |
| 27 | */ |
| 28 | #define TPM_ANY_NUM 0xFFFF |
| 29 | |
| 30 | #if defined(CONFIG_TCG_TPM) |
| 31 | |
| 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 | #endif |
| 35 | #endif |