| /* Microsoft Reference Implementation for TPM 2.0 | |
| * | |
| * The copyright in this software is being made available under the BSD License, | |
| * included below. This software may be subject to other third party and | |
| * contributor rights, including patent rights, and no such rights are granted | |
| * under this license. | |
| * | |
| * Copyright (c) Microsoft Corporation | |
| * | |
| * All rights reserved. | |
| * | |
| * BSD License | |
| * | |
| * Redistribution and use in source and binary forms, with or without modification, | |
| * are permitted provided that the following conditions are met: | |
| * | |
| * Redistributions of source code must retain the above copyright notice, this list | |
| * of conditions and the following disclaimer. | |
| * | |
| * Redistributions in binary form must reproduce the above copyright notice, this | |
| * list of conditions and the following disclaimer in the documentation and/or other | |
| * materials provided with the distribution. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS"" | |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR | |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| */ | |
| #include "Tpm.h" | |
| #include "ClockSet_fp.h" | |
| #ifdef TPM_CC_ClockSet // Conditional expansion of this file | |
| // Read the current TPMS_TIMER_INFO structure settings | |
| // return type: TPM_RC | |
| // TPM_RC_NV_RATE NV is unavailable because of rate limit | |
| // TPM_RC_NV_UNAVAILABLE NV is inaccessible | |
| // TPM_RC_VALUE invalid new clock | |
| TPM_RC | |
| TPM2_ClockSet( | |
| ClockSet_In *in // IN: input parameter list | |
| ) | |
| { | |
| #define CLOCK_UPDATE_MASK ~((1ULL << NV_CLOCK_UPDATE_INTERVAL)- 1) | |
| // Input Validation | |
| // new time can not be bigger than 0xFFFF000000000000 or smaller than | |
| // current clock | |
| if(in->newTime > 0xFFFF000000000000ULL | |
| || in->newTime < go.clock) | |
| return TPM_RCS_VALUE + RC_ClockSet_newTime; | |
| // Internal Data Update | |
| // Can't modify the clock if NV is not available. | |
| RETURN_IF_NV_IS_NOT_AVAILABLE; | |
| TimeClockUpdate(in->newTime); | |
| return TPM_RC_SUCCESS; | |
| } | |
| #endif // CC_ClockSet |