57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2008 The Android Open Source Project
|
||
|
|
* Copyright (c) 2011, The Linux Foundation. All rights reserved.
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef ANDROID_MEMORY_HEAP_ION_H
|
||
|
|
#define ANDROID_MEMORY_HEAP_ION_H
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include <binder/MemoryHeapBase.h>
|
||
|
|
#include <binder/IMemory.h>
|
||
|
|
#include <utils/SortedVector.h>
|
||
|
|
#include <utils/threads.h>
|
||
|
|
#include <linux/ion.h>
|
||
|
|
|
||
|
|
namespace android {
|
||
|
|
|
||
|
|
class MemoryHeapBase;
|
||
|
|
|
||
|
|
// ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class MemoryHeapIon : public MemoryHeapBase
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
MemoryHeapIon(const char*, size_t, uint32_t, long unsigned int);
|
||
|
|
MemoryHeapIon();
|
||
|
|
~MemoryHeapIon();
|
||
|
|
|
||
|
|
status_t mapIonFd(int fd, size_t size, unsigned long memory_type, int flags);
|
||
|
|
|
||
|
|
status_t ionInit(int ionFd, void *base, int size, int flags,
|
||
|
|
const char* device, struct ion_handle *handle,
|
||
|
|
int ionMapFd);
|
||
|
|
|
||
|
|
private:
|
||
|
|
int mIonDeviceFd; /*fd we get from open("/dev/ion")*/
|
||
|
|
struct ion_handle *mIonHandle; /*handle we get from ION_IOC_ALLOC*/ };
|
||
|
|
|
||
|
|
// ---------------------------------------------------------------------------
|
||
|
|
}; // namespace android
|
||
|
|
|
||
|
|
#endif // ANDROID_MEMORY_HEAP_ION_H
|