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/*
* Copyright Samsung Electronics Co.,LTD.
* Copyright (C) 2011 The Android Open Source Project
*
* 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.
*/
/*!
* \file MemoryHeapBaseIon.cpp
* \brief source file for MemoryHeapBaseIon
* \author MinGu, Jeon(mingu85.jeon)
* \date 2011/11/20
*
* <b>Revision History: </b>
* - 2011/11/20 : MinGu, Jeon(mingu85.jeon)) \n
* Initial version
*/
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <cutils/log.h>
#include <binder/MemoryHeapBase.h>
#include <binder/IMemory.h>
#include <binder/MemoryHeapBaseIon.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/mman.h>
#include "ion.h"
namespace android {
MemoryHeapBaseIon::MemoryHeapBaseIon(size_t size, uint32_t flags, char const *name)
{
mIonClient = ion_client_create();
if (mIonClient < 0) {
mIonClient = -1;
ALOGE("MemoryHeapBaseIon : ION client creation failed");
}
void* base = NULL;
int fd = ion_alloc(mIonClient, size, 0, ION_HEAP_EXYNOS_MASK);
if (fd < 0) {
ALOGE("MemoryHeapBaseIon : ION memory allocation failed");
} else {
flags |= USE_ION_FD;
base = ion_map(fd, size, 0);
if (base != MAP_FAILED)
init(fd, base, size, flags, NULL);
else
ALOGE("MemoryHeapBaseIon : mmap failed");
}
}
MemoryHeapBaseIon::MemoryHeapBaseIon(int fd, size_t size, uint32_t flags, uint32_t offset)
{
ALOGE_IF(fd < 0, "MemoryHeapBaseIon : file discriptor error. fd is not for ION Memory");
mIonClient = ion_client_create();
if (mIonClient < 0) {
mIonClient = -1;
ALOGE("MemoryHeapBaseIon : ION client creation failed");
}
void* base = NULL;
if (fd >= 0) {
int dup_fd = dup(fd);
flags |= USE_ION_FD;
base = ion_map(dup_fd, size, 0);
if (base != MAP_FAILED)
init(dup_fd, base, size, flags, NULL);
else
ALOGE("MemoryHeapBaseIon : mmap failed");
}
}
MemoryHeapBaseIon::~MemoryHeapBaseIon()
{
if (mIonClient != -1) {
ion_unmap(getBase(), getSize());
ion_free(getHeapID());
ion_client_destroy(mIonClient);
mIonClient = -1;
}
}
};
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