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1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. | 1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
2 * Use of this source code is governed by a BSD-style license that can be | 2 * Use of this source code is governed by a BSD-style license that can be |
3 * found in the LICENSE file. | 3 * found in the LICENSE file. |
4 * | 4 * |
5 * Functions for querying, manipulating and locking rollback indices | 5 * Functions for querying, manipulating and locking rollback indices |
6 * stored in the TPM NVRAM. | 6 * stored in the TPM NVRAM. |
7 */ | 7 */ |
8 | 8 |
9 #ifndef VBOOT_REFERENCE_ROLLBACK_INDEX_H_ | 9 #ifndef VBOOT_REFERENCE_ROLLBACK_INDEX_H_ |
10 #define VBOOT_REFERENCE_ROLLBACK_INDEX_H_ | 10 #define VBOOT_REFERENCE_ROLLBACK_INDEX_H_ |
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24 | 24 |
25 /* TPM NVRAM location indices. */ | 25 /* TPM NVRAM location indices. */ |
26 #define FIRMWARE_KEY_VERSION_NV_INDEX 0x1001 | 26 #define FIRMWARE_KEY_VERSION_NV_INDEX 0x1001 |
27 #define FIRMWARE_VERSION_NV_INDEX 0x1002 | 27 #define FIRMWARE_VERSION_NV_INDEX 0x1002 |
28 #define KERNEL_KEY_VERSION_NV_INDEX 0x1003 | 28 #define KERNEL_KEY_VERSION_NV_INDEX 0x1003 |
29 #define KERNEL_VERSION_NV_INDEX 0x1004 | 29 #define KERNEL_VERSION_NV_INDEX 0x1004 |
30 | 30 |
31 void SetupTPM(void); | 31 void SetupTPM(void); |
32 uint16_t GetStoredVersion(int type); | 32 uint16_t GetStoredVersion(int type); |
33 int WriteStoredVersion(int type, uint16_t version); | 33 int WriteStoredVersion(int type, uint16_t version); |
34 void LockStoredVersion(int type); | 34 void LockFirmwareVersions(); |
| 35 void LockKernelVersionsByLockingPP(); |
35 | 36 |
36 #endif /* VBOOT_REFERENCE_ROLLBACK_INDEX_H_ */ | 37 #endif /* VBOOT_REFERENCE_ROLLBACK_INDEX_H_ */ |
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