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 HDI_DEVICE_MANAGER_INF_H 17 #define HDI_DEVICE_MANAGER_INF_H 18 19 #include "hdf_base.h" 20 #include "hdf_dlist.h" 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif /* __cplusplus */ 25 26 struct HdfRemoteService; 27 28 enum HDF_DEVICE_TYPE { 29 HDF_LOCAL_SERVICE, 30 HDF_REMOTE_SERVICE, 31 }; 32 33 struct DeviceInfoNode { 34 char *svcName; 35 enum HDF_DEVICE_TYPE deviceType; 36 struct DListHead node; 37 }; 38 39 struct DeviceInfoList { 40 uint32_t deviceCnt; 41 struct DListHead list; 42 }; 43 44 struct HDIDeviceManager { 45 struct HdfRemoteService *remote; 46 47 void (*FreeQueryDeviceList)(struct HDIDeviceManager *self, struct DeviceInfoList *list); 48 int32_t (*QueryUsableDeviceInfo)(struct HDIDeviceManager *self, struct DeviceInfoList *list); 49 int32_t (*QueryUnusableDeviceInfo)(struct HDIDeviceManager *self, struct DeviceInfoList *list); 50 int32_t (*LoadDevice)(struct HDIDeviceManager *self, const char *serviceName); 51 int32_t (*UnloadDevice)(struct HDIDeviceManager *self, const char *serviceName); 52 }; 53 54 struct HDIDeviceManager *HDIDeviceManagerGet(void); 55 void HDIDeviceManagerRelease(struct HDIDeviceManager *devmgr); 56 57 #ifdef __cplusplus 58 } 59 #endif /* __cplusplus */ 60 61 #endif /* HDI_DEVICE_MANAGER_INF_H */