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