1 /*
2  * Copyright (c) 2023 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 OHOS_HDI_DISPLAY_BUFFER_V1_0_ALLOCATOR_SERVICE_H
17 #define OHOS_HDI_DISPLAY_BUFFER_V1_0_ALLOCATOR_SERVICE_H
18 
19 #include "idisplay_buffer_vdi.h"
20 #include "v1_0/display_buffer_type.h"
21 #include "v1_0/iallocator.h"
22 #include <mutex>
23 
24 namespace OHOS {
25 namespace HDI {
26 namespace Display {
27 namespace Buffer {
28 namespace V1_0 {
29 class AllocatorService : public IAllocator {
30 public:
31     AllocatorService();
32     virtual ~AllocatorService();
33     int32_t AllocMem(const AllocInfo& info, sptr<NativeBuffer>& handle) override;
34 
35 private:
36     int32_t LoadVdi();
37     void FreeMemVdi(BufferHandle* handle);
38     void WriteAllocPidToDma(int32_t fd);
39     std::mutex mutex_;
40     void *libHandle_;
41     IDisplayBufferVdi *vdiImpl_;
42     CreateDisplayBufferVdiFunc createVdi_;
43     DestroyDisplayBufferVdiFunc destroyVdi_;
44 };
45 } // namespace V1_0
46 } // namespace Buffer
47 } // namespace Display
48 } // namespace HDI
49 } // namespace OHOS
50 #endif // OHOS_HDI_DISPLAY_BUFFER_V1_0_ALLOCATOR_SERVICE_H
51