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Diffstat (limited to 'src/tpm2/PlatformData.h')
| -rw-r--r-- | src/tpm2/PlatformData.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/tpm2/PlatformData.h b/src/tpm2/PlatformData.h new file mode 100644 index 0000000..3555389 --- /dev/null +++ b/src/tpm2/PlatformData.h @@ -0,0 +1,142 @@ +/********************************************************************************/ +/* */ +/* Instance data for the Platform module. */ +/* Written by Ken Goldman */ +/* IBM Thomas J. Watson Research Center */ +/* $Id: PlatformData.h 1519 2019-11-15 20:43:51Z kgoldman $ */ +/* */ +/* Licenses and Notices */ +/* */ +/* 1. Copyright Licenses: */ +/* */ +/* - Trusted Computing Group (TCG) grants to the user of the source code in */ +/* this specification (the "Source Code") a worldwide, irrevocable, */ +/* nonexclusive, royalty free, copyright license to reproduce, create */ +/* derivative works, distribute, display and perform the Source Code and */ +/* derivative works thereof, and to grant others the rights granted herein. */ +/* */ +/* - The TCG grants to the user of the other parts of the specification */ +/* (other than the Source Code) the rights to reproduce, distribute, */ +/* display, and perform the specification solely for the purpose of */ +/* developing products based on such documents. */ +/* */ +/* 2. Source Code Distribution Conditions: */ +/* */ +/* - Redistributions of Source Code must retain the above copyright licenses, */ +/* this list of conditions and the following disclaimers. */ +/* */ +/* - Redistributions in binary form must reproduce the above copyright */ +/* licenses, this list of conditions and the following disclaimers in the */ +/* documentation and/or other materials provided with the distribution. */ +/* */ +/* 3. Disclaimers: */ +/* */ +/* - THE COPYRIGHT LICENSES SET FORTH ABOVE DO NOT REPRESENT ANY FORM OF */ +/* LICENSE OR WAIVER, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, WITH */ +/* RESPECT TO PATENT RIGHTS HELD BY TCG MEMBERS (OR OTHER THIRD PARTIES) */ +/* THAT MAY BE NECESSARY TO IMPLEMENT THIS SPECIFICATION OR OTHERWISE. */ +/* Contact TCG Administration (admin@trustedcomputinggroup.org) for */ +/* information on specification licensing rights available through TCG */ +/* membership agreements. */ +/* */ +/* - THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO EXPRESS OR IMPLIED */ +/* WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR */ +/* FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, COMPLETENESS, OR */ +/* NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS, OR ANY WARRANTY */ +/* OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. */ +/* */ +/* - Without limitation, TCG and its members and licensors disclaim all */ +/* liability, including liability for infringement of any proprietary */ +/* rights, relating to use of information in this specification and to the */ +/* implementation of this specification, and TCG disclaims all liability for */ +/* cost of procurement of substitute goods or services, lost profits, loss */ +/* of use, loss of data or any incidental, consequential, direct, indirect, */ +/* or special damages, whether under contract, tort, warranty or otherwise, */ +/* arising in any way out of use or reliance upon this specification or any */ +/* information herein. */ +/* */ +/* (c) Copyright IBM Corp. and others, 2016 - 2019. */ +/* */ +/********************************************************************************/ + +/* c.8 PlatformData.h */ +/* This file contains the instance data for the Platform module. It is collected in this file so + that the state of the module is easier to manage. */ + +#ifndef _PLATFORM_DATA_H_ +#define _PLATFORM_DATA_H_ +#ifdef _PLATFORM_DATA_C_ +#define EXTERN +#else +#define EXTERN extern +#endif + +/* From Cancel.c Cancel flag. It is initialized as FALSE, which indicate the command is not being + canceled */ +EXTERN int s_isCanceled; + +#ifndef HARDWARE_CLOCK +typedef uint64_t clock64_t; +// This is the value returned the last time that the system clock was read. This is only relevant +// for a simulator or virtual TPM. +EXTERN clock64_t s_realTimePrevious; +// These values are used to try to synthesize a long lived version of clock(). +EXTERN clock64_t s_lastSystemTime; +EXTERN clock64_t s_lastReportedTime; +// This is the rate adjusted value that is the equivalent of what would be read from a hardware +// register that produced rate adjusted time. +EXTERN clock64_t s_tpmTime; +/* libtpms added begin */ +EXTERN int64_t s_hostMonotonicAdjustTime; +EXTERN uint64_t s_suspendedElapsedTime; +/* libtpms added end */ +#endif // HARDWARE_CLOCK + +/* This value indicates that the timer was reset */ +EXTERN BOOL s_timerReset; +/* This value indicates that the timer was stopped. It causes a clock discontinuity. */ +EXTERN BOOL s_timerStopped; +/* This variable records the time when _plat__TimerReset() is called. This mechanism allow us to + subtract the time when TPM is power off from the total time reported by clock() function */ +EXTERN uint64_t s_initClock; +/* This variable records the timer adjustment factor. */ +EXTERN unsigned int s_adjustRate; +/* From LocalityPlat.c Locality of current command */ +EXTERN unsigned char s_locality; +/* From NVMem.c Choose if the NV memory should be backed by RAM or by file. If this macro is + defined, then a file is used as NV. If it is not defined, then RAM is used to back NV + memory. Comment out to use RAM. */ +#if (!defined VTPM) || ((VTPM != NO) && (VTPM != YES)) +# undef VTPM +# define VTPM NO // Default: Either YES or NO libtpms: NO +#endif + +// For a simulation, use a file to back up the NV + +#if (!defined FILE_BACKED_NV) || ((FILE_BACKED_NV != NO) && (FILE_BACKED_NV != YES)) +# undef FILE_BACKED_NV +# define FILE_BACKED_NV (VTPM && YES) // Default: Either YES or NO +#endif +#if !SIMULATION +# undef FILE_BACKED_NV +# define FILE_BACKED_NV YES // libtpms: write NvChip file if no callbacks are set +#else +#error Do not define SIMULATION for libtpms! +#endif // SIMULATION + +EXTERN unsigned char s_NV[NV_MEMORY_SIZE]; +EXTERN BOOL s_NvIsAvailable; +EXTERN BOOL s_NV_unrecoverable; +EXTERN BOOL s_NV_recoverable; +/* From PPPlat.c Physical presence. It is initialized to FALSE */ +EXTERN BOOL s_physicalPresence; +/* From Power */ +EXTERN BOOL s_powerLost; +/* From Entropy.c */ +EXTERN uint32_t lastEntropy; + +#define DEFINE_ACT(N) EXTERN ACT_DATA ACT_##N; +FOR_EACH_ACT(DEFINE_ACT) +EXTERN int actTicksAllowed; + +#endif // _PLATFORM_DATA_H_ |