1 /* 2 * Copyright (C) 2017 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 CHRE_PLATFORM_SLPI_FASTRPC_H 18 #define CHRE_PLATFORM_SLPI_FASTRPC_H 19 20 /** 21 * @file 22 * Shared definitions used in FastRPC communication with the host. This file is 23 * included by both the SLPI-side and host-side code. 24 */ 25 26 #ifdef __cplusplus 27 extern "C" { 28 #endif 29 30 //! FastRPC mandates that return value of 0 indicates success. Any other value 31 //! is considered an error and will result in skipping transfer of output 32 //! parameters. 33 #define CHRE_FASTRPC_SUCCESS (0) 34 35 //! General failure. 36 #define CHRE_FASTRPC_ERROR (-1) 37 38 //! The call failed because CHRE is shutting down; the host should not call this 39 //! function again until CHRE is restarted. 40 #define CHRE_FASTRPC_ERROR_SHUTTING_DOWN (-2) 41 42 #ifdef __cplusplus 43 } // extern "C" 44 #endif 45 46 #endif // CHRE_PLATFORM_SLPI_FASTRPC_H 47