projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 659aaf2b RA |
1 | /* |
| 2 | * Copyright (C) 2004,2007,2008 IBM Corporation | |
| 3 | * | |
| 4 | * Authors: | |
| 5 | * Leendert van Doorn <[email protected]> | |
| 6 | * Dave Safford <[email protected]> | |
| 7 | * Reiner Sailer <[email protected]> | |
| 8 | * Kylene Hall <[email protected]> | |
| 9 | * Debora Velarde <[email protected]> | |
| 10 | * | |
| 11 | * Maintained by: <[email protected]> | |
| 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 | ||
| ff76ec18 | 30 | #if defined(CONFIG_TCG_TPM) || defined(CONFIG_TCG_TPM_MODULE) |
| 659aaf2b RA |
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); | |
| c749ba91 | 34 | extern int tpm_send(u32 chip_num, void *cmd, size_t buflen); |
| d6ba4521 MZ |
35 | #else |
| 36 | static inline int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf) { | |
| 37 | return -ENODEV; | |
| 38 | } | |
| 39 | static inline int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash) { | |
| 40 | return -ENODEV; | |
| 41 | } | |
| c749ba91 MZ |
42 | static inline int tpm_send(u32 chip_num, void *cmd, size_t buflen) { |
| 43 | return -ENODEV; | |
| 44 | } | |
| 659aaf2b RA |
45 | #endif |
| 46 | #endif |