1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  * Copyright (C) 2017 GlobalLogic
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #ifndef OPTEE_KEYMASTER_OPTEE_KEYMASTER_IPC_H_
19 #define OPTEE_KEYMASTER_OPTEE_KEYMASTER_IPC_H_
20 
21 #include <keymaster/android_keymaster_messages.h>
22 #include <optee_keymaster/ipc/keymaster_ipc.h>
23 
24 __BEGIN_DECLS
25 
26 const uint32_t OPTEE_KEYMASTER_RECV_BUF_SIZE = 2 * getpagesize();
27 const uint32_t OPTEE_KEYMASTER_SEND_BUF_SIZE = 2 * getpagesize();
28 
29 int optee_keymaster_connect(void);
30 int optee_keymaster_call(uint32_t cmd, void* in, uint32_t in_size, uint8_t* out,
31                           uint32_t* out_size);
32 void optee_keymaster_disconnect(void);
33 
34 keymaster_error_t translate_error(int err);
35 keymaster_error_t optee_keymaster_send(uint32_t command, const keymaster::Serializable& req,
36                                         keymaster::KeymasterResponse* rsp);
37 
38 __END_DECLS
39 
40 #endif  // OPTEE_KEYMASTER_OPTEE_KEYMASTER_IPC_H_
41