1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef TRUSTY_KEYMASTER_TRUSTY_KEYMASTER_IPC_H_ 18 #define TRUSTY_KEYMASTER_TRUSTY_KEYMASTER_IPC_H_ 19 20 #include <keymaster/android_keymaster_messages.h> 21 #include <trusty_keymaster/ipc/keymaster_ipc.h> 22 23 __BEGIN_DECLS 24 25 const uint32_t TRUSTY_KEYMASTER_RECV_BUF_SIZE = 2 * 4096; 26 const uint32_t TRUSTY_KEYMASTER_SEND_BUF_SIZE = 27 (4096 - sizeof(struct keymaster_message) - 16 /* tipc header */); 28 29 void trusty_keymaster_set_dev_name(const char* device_name); 30 int trusty_keymaster_connect(void); 31 int trusty_keymaster_call(uint32_t cmd, void* in, uint32_t in_size, uint8_t* out, 32 uint32_t* out_size); 33 void trusty_keymaster_disconnect(void); 34 35 keymaster_error_t translate_error(int err); 36 keymaster_error_t trusty_keymaster_send(uint32_t command, const keymaster::Serializable& req, 37 keymaster::KeymasterResponse* rsp); 38 39 __END_DECLS 40 41 #endif // TRUSTY_KEYMASTER_TRUSTY_KEYMASTER_IPC_H_ 42