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      1 /**
      2  * Copyright(c) 2011 Trusted Logic.   All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *  * Neither the name Trusted Logic nor the names of its
     15  *    contributors may be used to endorse or promote products derived
     16  *    from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 /*
     32  * This header file defines the implementation-dependent types,
     33  * constants and macros for all the Trusted Foundations implementations
     34  * of the TEE Client API
     35  */
     36 #ifndef   __TEE_CLIENT_API_IMP_H__
     37 #define   __TEE_CLIENT_API_IMP_H__
     38 
     39 #include "s_type.h"
     40 #include "s_error.h"
     41 
     42 typedef struct
     43 {
     44    uint32_t             _hConnection;
     45 }
     46 TEEC_Context_IMP;
     47 
     48 typedef struct
     49 {
     50    struct TEEC_Context* _pContext;
     51    S_HANDLE             _hClientSession;
     52 }
     53 TEEC_Session_IMP;
     54 
     55 typedef struct
     56 {
     57    struct TEEC_Context* _pContext;
     58    S_HANDLE             _hBlock;
     59    bool                 _bAllocated;
     60 }
     61 TEEC_SharedMemory_IMP;
     62 
     63 typedef struct
     64 {
     65    struct TEEC_Context* _pContext;
     66     uint32_t            _hSession;
     67 }
     68 TEEC_Operation_IMP;
     69 
     70 /* There is no natural, compile-time limit on the shared memory, but a specific
     71    implementation may introduce a limit (in particular on TrustZone) */
     72 #define TEEC_CONFIG_SHAREDMEM_MAX_SIZE ((size_t)0xFFFFFFFF)
     73 
     74 #define TEEC_PARAM_TYPES(entry0Type, entry1Type, entry2Type, entry3Type) \
     75    ((entry0Type) | ((entry1Type) << 4) | ((entry2Type) << 8) | ((entry3Type) << 12))
     76 
     77 
     78 #endif /* __TEE_CLIENT_API_IMP_H__ */
     79