/* SPDX-License-Identifier: BSD-2-Clause */ /* * Copyright (c) 2015 - 2018, Intel Corporation * * Copyright 2015, Andreas Fuchs @ Fraunhofer SIT * * All rights reserved. * * Copyright (c) 2019, Wind River Systems. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. 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. */ #ifndef TSS2_TCTI_H #define TSS2_TCTI_H #include #include #include "tss2_common.h" #include "tss2_tpm2_types.h" #ifndef TSS2_API_VERSION_1_2_1_108 #error Version mismatch among TSS2 header files. #endif /* TSS2_API_VERSION_1_2_1_108 */ #if defined(__linux__) || defined(__unix__) || defined(__APPLE__) || defined (__QNXNTO__) || defined (__VXWORKS__) #if defined (__VXWORKS__) #include #else #include #endif typedef struct pollfd TSS2_TCTI_POLL_HANDLE; #elif defined(_WIN32) #include typedef HANDLE TSS2_TCTI_POLL_HANDLE; #elif defined(__ZEPHYR__) typedef void* TSS2_TCTI_POLL_HANDLE; #else typedef void TSS2_TCTI_POLL_HANDLE; #ifndef TSS2_TCTI_SUPPRESS_POLL_WARNINGS #pragma message "Info: Platform not supported for TCTI_POLL_HANDLES" #endif #endif /* The following are used to configure timeout characteristics. */ #define TSS2_TCTI_TIMEOUT_BLOCK -1 #define TSS2_TCTI_TIMEOUT_NONE 0 /* Macros to simplify access to values in common TCTI structure */ #define TSS2_TCTI_MAGIC(tctiContext) \ ((TSS2_TCTI_CONTEXT_COMMON_V1*)tctiContext)->magic #define TSS2_TCTI_VERSION(tctiContext) \ ((TSS2_TCTI_CONTEXT_COMMON_V1*)tctiContext)->version #define TSS2_TCTI_TRANSMIT(tctiContext) \ ((TSS2_TCTI_CONTEXT_COMMON_V1*)tctiContext)->transmit #define TSS2_TCTI_RECEIVE(tctiContext) \ ((TSS2_TCTI_CONTEXT_COMMON_V1*)tctiContext)->receive #define TSS2_TCTI_FINALIZE(tctiContext) \ ((TSS2_TCTI_CONTEXT_COMMON_V1*)tctiContext)->finalize #define TSS2_TCTI_CANCEL(tctiContext) \ ((TSS2_TCTI_CONTEXT_COMMON_V1*)tctiContext)->cancel #define TSS2_TCTI_GET_POLL_HANDLES(tctiContext) \ ((TSS2_TCTI_CONTEXT_COMMON_V1*)tctiContext)->getPollHandles #define TSS2_TCTI_SET_LOCALITY(tctiContext) \ ((TSS2_TCTI_CONTEXT_COMMON_V1*)tctiContext)->setLocality #define TSS2_TCTI_MAKE_STICKY(tctiContext) \ ((TSS2_TCTI_CONTEXT_COMMON_V2*)tctiContext)->makeSticky /* Macros to simplify invocation of functions from the common TCTI structure */ #define Tss2_Tcti_Transmit(tctiContext, size, command) \ ((tctiContext == NULL) ? TSS2_TCTI_RC_BAD_REFERENCE: \ (TSS2_TCTI_VERSION(tctiContext) < 1) ? \ TSS2_TCTI_RC_ABI_MISMATCH: \ (TSS2_TCTI_TRANSMIT(tctiContext) == NULL) ? \ TSS2_TCTI_RC_NOT_IMPLEMENTED: \ TSS2_TCTI_TRANSMIT(tctiContext)(tctiContext, size, command)) #define Tss2_Tcti_Receive(tctiContext, size, response, timeout) \ ((tctiContext == NULL) ? TSS2_TCTI_RC_BAD_REFERENCE: \ (TSS2_TCTI_VERSION(tctiContext) < 1) ? \ TSS2_TCTI_RC_ABI_MISMATCH: \ (TSS2_TCTI_RECEIVE(tctiContext) == NULL) ? \ TSS2_TCTI_RC_NOT_IMPLEMENTED: \ TSS2_TCTI_RECEIVE(tctiContext)(tctiContext, size, response, timeout)) #define Tss2_Tcti_Finalize(tctiContext) \ do { \ if ((tctiContext != NULL) && \ (TSS2_TCTI_VERSION(tctiContext) >= 1) && \ (TSS2_TCTI_FINALIZE(tctiContext) != NULL)) \ { \ TSS2_TCTI_FINALIZE(tctiContext)(tctiContext); \ } \ } while (0) #define Tss2_Tcti_Cancel(tctiContext) \ ((tctiContext == NULL) ? TSS2_TCTI_RC_BAD_REFERENCE: \ (TSS2_TCTI_VERSION(tctiContext) < 1) ? \ TSS2_TCTI_RC_ABI_MISMATCH: \ (TSS2_TCTI_CANCEL(tctiContext) == NULL) ? \ TSS2_TCTI_RC_NOT_IMPLEMENTED: \ TSS2_TCTI_CANCEL(tctiContext)(tctiContext)) #define Tss2_Tcti_GetPollHandles(tctiContext, handles, num_handles) \ ((tctiContext == NULL) ? TSS2_TCTI_RC_BAD_REFERENCE: \ (TSS2_TCTI_VERSION(tctiContext) < 1) ? \ TSS2_TCTI_RC_ABI_MISMATCH: \ (TSS2_TCTI_GET_POLL_HANDLES(tctiContext) == NULL) ? \ TSS2_TCTI_RC_NOT_IMPLEMENTED: \ TSS2_TCTI_GET_POLL_HANDLES(tctiContext)(tctiContext, handles, num_handles)) #define Tss2_Tcti_SetLocality(tctiContext, locality) \ ((tctiContext == NULL) ? TSS2_TCTI_RC_BAD_REFERENCE: \ (TSS2_TCTI_VERSION(tctiContext) < 1) ? \ TSS2_TCTI_RC_ABI_MISMATCH: \ (TSS2_TCTI_SET_LOCALITY(tctiContext) == NULL) ? \ TSS2_TCTI_RC_NOT_IMPLEMENTED: \ TSS2_TCTI_SET_LOCALITY(tctiContext)(tctiContext, locality)) #define Tss2_Tcti_MakeSticky(tctiContext, handle, sticky) \ ((tctiContext == NULL) ? TSS2_TCTI_RC_BAD_REFERENCE: \ (TSS2_TCTI_VERSION(tctiContext) < 2) ? \ TSS2_TCTI_RC_ABI_MISMATCH: \ (TSS2_TCTI_MAKE_STICKY(tctiContext) == NULL) ? \ TSS2_TCTI_RC_NOT_IMPLEMENTED: \ TSS2_TCTI_MAKE_STICKY(tctiContext)(tctiContext, handle, sticky)) typedef struct TSS2_TCTI_OPAQUE_CONTEXT_BLOB TSS2_TCTI_CONTEXT; /* * Types for TCTI functions. These are used for pointers to functions in the * TCTI context structure. */ typedef TSS2_RC (*TSS2_TCTI_TRANSMIT_FCN) ( TSS2_TCTI_CONTEXT *tctiContext, size_t size, uint8_t const *command); typedef TSS2_RC (*TSS2_TCTI_RECEIVE_FCN) ( TSS2_TCTI_CONTEXT *tctiContext, size_t *size, uint8_t *response, int32_t timeout); typedef void (*TSS2_TCTI_FINALIZE_FCN) ( TSS2_TCTI_CONTEXT *tctiContext); typedef TSS2_RC (*TSS2_TCTI_CANCEL_FCN) ( TSS2_TCTI_CONTEXT *tctiContext); typedef TSS2_RC (*TSS2_TCTI_GET_POLL_HANDLES_FCN) ( TSS2_TCTI_CONTEXT *tctiContext, TSS2_TCTI_POLL_HANDLE *handles, size_t *num_handles); typedef TSS2_RC (*TSS2_TCTI_SET_LOCALITY_FCN) ( TSS2_TCTI_CONTEXT *tctiContext, uint8_t locality); typedef TSS2_RC (*TSS2_TCTI_MAKE_STICKY_FCN) ( TSS2_TCTI_CONTEXT *tctiContext, TPM2_HANDLE *handle, uint8_t sticky); typedef TSS2_RC (*TSS2_TCTI_INIT_FUNC) ( TSS2_TCTI_CONTEXT *tctiContext, size_t *size, const char *config); /* current version #1 known to this implementation */ typedef struct TSS2_TCTI_CONTEXT_COMMON_V1 TSS2_TCTI_CONTEXT_COMMON_V1; struct TSS2_TCTI_CONTEXT_COMMON_V1 { uint64_t magic; uint32_t version; TSS2_TCTI_TRANSMIT_FCN transmit; TSS2_TCTI_RECEIVE_FCN receive; TSS2_TCTI_FINALIZE_FCN finalize; TSS2_TCTI_CANCEL_FCN cancel; TSS2_TCTI_GET_POLL_HANDLES_FCN getPollHandles; TSS2_TCTI_SET_LOCALITY_FCN setLocality; }; typedef struct TSS2_TCTI_CONTEXT_COMMON_V2 TSS2_TCTI_CONTEXT_COMMON_V2; struct TSS2_TCTI_CONTEXT_COMMON_V2 { TSS2_TCTI_CONTEXT_COMMON_V1 v1; TSS2_TCTI_MAKE_STICKY_FCN makeSticky; }; typedef TSS2_TCTI_CONTEXT_COMMON_V2 TSS2_TCTI_CONTEXT_COMMON_CURRENT; #define TSS2_TCTI_INFO_SYMBOL "Tss2_Tcti_Info" typedef struct TSS2_TCTI_INFO TSS2_TCTI_INFO; struct TSS2_TCTI_INFO { uint32_t version; const char *name; const char *description; const char *config_help; TSS2_TCTI_INIT_FUNC init; }; typedef const TSS2_TCTI_INFO* (*TSS2_TCTI_INFO_FUNC) (void); #endif