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