1 /*
2  * Copyright (c) 2016, Linaro Limited
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright notice,
12  * this list of conditions and the following disclaimer in the documentation
13  * and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  * POSSIBILITY OF SUCH DAMAGE.
26  */
27 #ifndef TEE_CLIENT_API_EXTENSIONS_H
28 #define TEE_CLIENT_API_EXTENSIONS_H
29 
30 #include <tee_client_api.h>
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 /**
37  * TEEC_RegisterMemoryFileDescriptor() - Register a block of existing memory as
38  * a shared block within the scope of the specified context.
39  *
40  * @param context    The initialized TEE context structure in which scope to
41  *                   open the session.
42  * @param sharedMem  pointer to the shared memory structure to register.
43  * @param fd         file descriptor of the target memory.
44  *
45  * @return TEEC_SUCCESS              The registration was successful.
46  * @return TEEC_ERROR_OUT_OF_MEMORY  Memory exhaustion.
47  * @return TEEC_Result               Something failed.
48  */
49 TEEC_Result TEEC_RegisterSharedMemoryFileDescriptor(TEEC_Context *context,
50 						    TEEC_SharedMemory *sharedMem,
51 						    int fd);
52 
53 #ifdef __cplusplus
54 }
55 #endif
56 
57 #endif /* TEE_CLIENT_API_EXTENSIONS_H */
58