1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef HDF_LOAD_HDI_H 17 #define HDF_LOAD_HDI_H 18 19 #include "hdf_base.h" 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif /* __cplusplus */ 24 25 struct HdiBase { 26 uint32_t moduleVersion; 27 const char *moduleName; 28 int (*OpenHdi)(); 29 int (*CloseHdi)(); 30 }; 31 32 struct HdiObject { 33 uintptr_t dlHandler; 34 struct HdiBase *hdiBase; 35 }; 36 37 struct HdiObject *LoadHdi(const char *name, uint32_t version); 38 void CloseHdi(struct HdiObject *hdi); 39 40 #define HDF_HDI_INIT(module) struct HdiBase *hdfHdiDesc = (struct HdiBase *)&(module) 41 42 #ifdef __cplusplus 43 } 44 #endif /* __cplusplus */ 45 46 #endif /* HDF_LOAD_HDI_H */ 47 48