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/********************************************************************************/
/* */
/* NVRAM Constants */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* $Id: tpm_nvram_const.h 4528 2011-03-29 22:16:28Z kgoldman $ */
/* */
/* (c) Copyright IBM Corporation 2006, 2010. */
/* */
/* All rights reserved. */
/* */
/* 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. */
/* */
/* Neither the names of the IBM Corporation nor the names of its */
/* contributors may be used to endorse or promote products derived from */
/* this software without specific prior written permission. */
/* */
/* 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. */
/********************************************************************************/
#ifndef TPM_NVRAM_CONST_H
#define TPM_NVRAM_CONST_H
/*
These are implementation specific constants
*/
/*
TPMS_MAX defines the maximum number of TPM instances.
*/
#define TPMS_MAX 1
/*
NVRAM storage directory path
*/
#ifdef TPM_NV_DISK
/* TPM_NV_DISK uses the TPM_PATH environment variable */
#endif
/* Defines the maximum size of the NV defined space, the NV indexes created by TPM_NV_DefineSpace.
The PC Client requires 2048 bytes. There is at least (currently) 6 bytes of overhead, a tag and
a count.
*/
#ifndef TPM_MAX_NV_DEFINED_SIZE
#define TPM_MAX_NV_DEFINED_SIZE 2100
#endif
/* TPM_MAX_NV_SPACE defines the maximum NV space for non-volatile state.
It does not include the area used for TPM_SaveState.
See TPM_OWNER_EVICT_KEY_HANDLES, TPM_MIN_COUNTERS, TPM_NUM_FAMILY_TABLE_ENTRY_MIN,
TPM_NUM_DELEGATE_TABLE_ENTRY_MIN, etc. and the platform specific requirements for NV defined
space.
*/
#ifndef TPM_MAX_NV_SPACE
#ifdef TPM_NV_DISK
#define TPM_MAX_NV_SPACE 100000 /* arbitrary value */
#endif
#endif /* TPM_MAX_NV_SPACE */
#ifndef TPM_MAX_NV_SPACE
#error "TPM_MAX_NV_SPACE is not defined"
#endif
/* TPM_MAX_SAVESTATE_SPACE defines the maximum NV space for TPM saved state.
It is used by TPM_SaveState
NOTE This macro is based on the maximum number of loaded keys and session. For example, 3 loaded
keys, 3 OSAP sessions, and 1 transport session consumes about 2500 bytes.
See TPM_KEY_HANDLES, TPM_NUM_PCR, TPM_MIN_AUTH_SESSIONS, TPM_MIN_TRANS_SESSIONS,
TPM_MIN_DAA_SESSIONS, TPM_MIN_SESSION_LIST, etc.
*/
#ifndef TPM_MAX_SAVESTATE_SPACE
#ifdef TPM_NV_DISK
#define TPM_MAX_SAVESTATE_SPACE 100000 /* arbitrary value */
#endif
#endif /* TPM_MAX_SAVESTATE_SPACE */
#ifndef TPM_MAX_SAVESTATE_SPACE
#error "TPM_MAX_SAVESTATE_SPACE is not defined"
#endif
/* TPM_MAX_VOLATILESTATE_SPACE defines the maximum NV space for TPM volatile state.
It is used for applications that save and restore the entire TPM volatile is a non-standard way.
*/
#ifndef TPM_MAX_VOLATILESTATE_SPACE
#ifdef TPM_NV_DISK
#define TPM_MAX_VOLATILESTATE_SPACE 524288 /* arbitrary value */
#endif
#endif /* TPM_MAX_VOLATILESTATE_SPACE */
#ifndef TPM_MAX_VOLATILESTATE_SPACE
#error "TPM_MAX_VOLATILESTATE_SPACE is not defined"
#endif
#endif
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