| /* Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| * |
| * Functions for querying, manipulating and locking rollback indices |
| * stored in the TPM NVRAM. |
| */ |
| |
| #include "sysincludes.h" |
| #include "utility.h" |
| |
| #include "rollback_index.h" |
| |
| #include "tss_constants.h" |
| |
| |
| uint32_t SetVirtualDevMode(int val) { |
| return TPM_SUCCESS; |
| } |
| |
| |
| uint32_t TPMClearAndReenable(void) { |
| return TPM_SUCCESS; |
| } |
| |
| |
| uint32_t SetupTPM(int developer_mode, int disable_dev_request, |
| int clear_tpm_owner_request, RollbackSpaceFirmware* rsf) { |
| return TPM_SUCCESS; |
| } |
| |
| |
| uint32_t RollbackS3Resume(void) { |
| return TPM_SUCCESS; |
| } |
| |
| |
| uint32_t RollbackFirmwareSetup(int is_hw_dev, |
| int disable_dev_request, |
| int clear_tpm_owner_request, |
| int *is_virt_dev, uint32_t *version) { |
| *version = 0; |
| return TPM_SUCCESS; |
| } |
| |
| |
| uint32_t RollbackFirmwareWrite(uint32_t version) { |
| return TPM_SUCCESS; |
| } |
| |
| |
| uint32_t RollbackFirmwareLock(void) { |
| return TPM_SUCCESS; |
| } |
| |
| |
| uint32_t RollbackKernelRead(uint32_t* version) { |
| *version = 0; |
| return TPM_SUCCESS; |
| } |
| |
| |
| uint32_t RollbackKernelWrite(uint32_t version) { |
| return TPM_SUCCESS; |
| } |
| |
| |
| uint32_t RollbackKernelLock(int recovery_mode) { |
| return TPM_SUCCESS; |
| } |
| |
| static uint8_t rollback_backup[BACKUP_NV_SIZE]; |
| |
| uint32_t RollbackBackupRead(uint8_t *raw) |
| { |
| Memcpy(raw, rollback_backup, BACKUP_NV_SIZE); |
| return TPM_SUCCESS; |
| } |
| |
| uint32_t RollbackBackupWrite(uint8_t *raw) |
| { |
| Memcpy(rollback_backup, raw, BACKUP_NV_SIZE); |
| return TPM_SUCCESS; |
| } |