1 /*
2  * Copyright (C) 2022 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 #pragma once
18 
19 #include <pthread.h>
20 #include <bufferpool2/BufferPoolTypes.h>
21 
22 using aidl::android::hardware::media::bufferpool2::implementation::
23     BufferPoolStatus;
24 using aidl::android::hardware::media::bufferpool2::implementation::
25     BufferPoolAllocation;
26 using aidl::android::hardware::media::bufferpool2::implementation::
27     BufferPoolAllocator;
28 using aidl::android::hardware::media::bufferpool2::ResultStatus;
29 
30 struct IpcMutex {
31   pthread_mutex_t lock;
32   pthread_cond_t cond;
33   int counter = 0;
34   bool signalled = false;
35 
36   void init();
37 
38   static IpcMutex *Import(void *mem);
39 };
40 
41 // buffer allocator for the tests
42 class TestBufferPoolAllocator : public BufferPoolAllocator {
43  public:
TestBufferPoolAllocator()44   TestBufferPoolAllocator() {}
45 
~TestBufferPoolAllocator()46   ~TestBufferPoolAllocator() override {}
47 
48   BufferPoolStatus allocate(const std::vector<uint8_t> &params,
49                         std::shared_ptr<BufferPoolAllocation> *alloc,
50                         size_t *allocSize) override;
51 
52   bool compatible(const std::vector<uint8_t> &newParams,
53                   const std::vector<uint8_t> &oldParams) override;
54 
55   static bool Fill(const native_handle_t *handle, const unsigned char val);
56 
57   static bool Verify(const native_handle_t *handle, const unsigned char val);
58 
59   static bool MapMemoryForMutex(const native_handle_t *handle, void **mem);
60 
61   static bool UnmapMemoryForMutex(void *mem);
62 };
63 
64 // retrieve buffer allocator parameters
65 void getTestAllocatorParams(std::vector<uint8_t> *params);
66 
67 void getIpcMutexParams(std::vector<uint8_t> *params);
68