1 /*
2  * Copyright (C) 2020 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 BUFFER_ALLOCATOR_H_
18 #define BUFFER_ALLOCATOR_H_
19 
20 #include <BufferAllocator/dmabufheap-defs.h>
21 #include <sys/types.h>
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #else
26 typedef struct BufferAllocator BufferAllocator;
27 #endif
28 
29 BufferAllocator* CreateDmabufHeapBufferAllocator();
30 
31 void FreeDmabufHeapBufferAllocator(BufferAllocator* buffer_allocator);
32 
33 int DmabufHeapAlloc(BufferAllocator* buffer_allocator, const char* heap_name, size_t len,
34                     unsigned int heap_flags);
35 
36 int MapDmabufHeapNameToIonHeap(BufferAllocator* buffer_allocator, const char* heap_name,
37                                const char* ion_heap_name, unsigned int ion_heap_flags,
38                                unsigned int legacy_ion_heap_mask, unsigned legacy_ion_heap_flags);
39 
40 int DmabufHeapCpuSyncStart(BufferAllocator* buffer_allocator, unsigned int dmabuf_fd,
41                            SyncType sync_type, int (*legacy_ion_cpu_sync)(int));
42 
43 int DmabufHeapCpuSyncEnd(BufferAllocator* buffer_allocator, unsigned int dmabuf_fd,
44                          int (*legacy_ion_cpu_sync)(int));
45 
46 #ifdef __cplusplus
47 }
48 #endif
49 
50 #endif
51