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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 MemoryHeapIon.cpp
* \brief source file for MemoryHeapIon
* \author MinGu, Jeon(mingu85.jeon)
* \date 2011/11/20
*
* <b>Revision History: </b>
* - 2011/11/20 : MinGu, Jeon(mingu85.jeon)) \n
* Initial version
* - 2012/11/29 : MinGu, Jeon(mingu85.jeon)) \n
* Change name
*/
#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/MemoryHeapIon.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/mman.h>
#include "ion.h"
#define HEAP_MASK_FILTER ((1 << 16) - (2))
#define FLAG_MASK_FILTER (~(HEAP_MASK_FILTER) - (1))
namespace android {
uint32_t ion_HeapMask_valid_check(uint32_t flags)
{
uint32_t heap_mask, result;
result = 0;
heap_mask = flags & HEAP_MASK_FILTER;
switch(heap_mask) {
case MHB_ION_HEAP_SYSTEM_MASK:
return ION_HEAP_SYSTEM_MASK;
case MHB_ION_HEAP_SYSTEM_CONTIG_MASK:
return ION_HEAP_SYSTEM_CONTIG_MASK;
case MHB_ION_HEAP_EXYNOS_CONTIG_MASK:
return ION_HEAP_EXYNOS_CONTIG_MASK;
case MHB_ION_HEAP_EXYNOS_MASK:
return ION_HEAP_EXYNOS_MASK;
default:
ALOGE("MemoryHeapIon : Heap Mask flag is default (flags:%x)", flags);
return 0;
break;
}
ALOGE("MemoryHeapIon : Heap Mask flag is wrong (flags:%x)", flags);
return 0;
}
uint32_t ion_FlagMask_valid_check(uint32_t flags)
{
uint32_t flag_mask, result;
result = 0;
flag_mask = flags & FLAG_MASK_FILTER;
if (flag_mask & MHB_ION_FLAG_CACHED)
result |= ION_FLAG_CACHED;
if (flag_mask & MHB_ION_FLAG_CACHED_NEEDS_SYNC)
result |= ION_FLAG_CACHED_NEEDS_SYNC;
if (flag_mask & MHB_ION_FLAG_PRESERVE_KMAP)
result |= ION_FLAG_PRESERVE_KMAP;
if (flag_mask & MHB_ION_EXYNOS_VIDEO_MASK)
result |= ION_EXYNOS_VIDEO_MASK;
if (flag_mask & MHB_ION_EXYNOS_MFC_INPUT_MASK)
result |= ION_EXYNOS_MFC_INPUT_MASK;
if (flag_mask & MHB_ION_EXYNOS_MFC_OUTPUT_MASK)
result |= ION_EXYNOS_MFC_OUTPUT_MASK;
if (flag_mask & MHB_ION_EXYNOS_GSC_MASK)
result |= ION_EXYNOS_GSC_MASK;
if (flag_mask & MHB_ION_EXYNOS_FIMD_VIDEO_MASK)
result |= ION_EXYNOS_FIMD_VIDEO_MASK;
return result;
}
MemoryHeapIon::MemoryHeapIon(size_t size, uint32_t flags,
__attribute__((unused))char const *name):MemoryHeapBase()
{
void* base = NULL;
int fd = -1;
uint32_t isReadOnly, heapMask, flagMask;
mIonClient = ion_client_create();
if (mIonClient < 0) {
ALOGE("MemoryHeapIon : ION client creation failed : %s", strerror(errno));
mIonClient = -1;
} else {
isReadOnly = flags & (IMemoryHeap::READ_ONLY);
heapMask = ion_HeapMask_valid_check(flags);
flagMask = ion_FlagMask_valid_check(flags);
if (heapMask) {
ALOGD("MemoryHeapIon : Allocated with size:%zu, heap:0x%X , flag:0x%X", size, heapMask, flagMask);
fd = ion_alloc(mIonClient, size, 0, heapMask, flagMask);
if (fd < 0) {
ALOGE("MemoryHeapIon : ION Reserve memory allocation failed(size[%zu]) : %s", size, strerror(errno));
if (errno == ENOMEM) { // Out of reserve memory. So re-try allocating in system heap
ALOGD("MemoryHeapIon : Re-try Allocating in default heap - SYSTEM heap");
fd = ion_alloc(mIonClient, size, 0, ION_HEAP_SYSTEM_MASK, ION_FLAG_CACHED | ION_FLAG_CACHED_NEEDS_SYNC | ION_FLAG_PRESERVE_KMAP);
}
}
} else {
fd = ion_alloc(mIonClient, size, 0, ION_HEAP_SYSTEM_MASK, ION_FLAG_CACHED | ION_FLAG_CACHED_NEEDS_SYNC | ION_FLAG_PRESERVE_KMAP);
ALOGD("MemoryHeapIon : Allocated with default heap - SYSTEM heap");
}
flags = isReadOnly | heapMask | flagMask;
if (fd < 0) {
ALOGE("MemoryHeapIon : ION memory allocation failed(size[%zu]) : %s", size, strerror(errno));
} else {
flags |= USE_ION_FD;
base = ion_map(fd, size, 0);
if (base != MAP_FAILED) {
init(fd, base, size, flags, NULL);
} else {
ALOGE("MemoryHeapIon : ION mmap failed(size[%zu], fd[%d]) : %s", size, fd, strerror(errno));
ion_free(fd);
}
}
}
}
MemoryHeapIon::MemoryHeapIon(int fd, size_t size, uint32_t flags,
__attribute__((unused))uint32_t offset):MemoryHeapBase()
{
void* base = NULL;
int dup_fd = -1;
mIonClient = ion_client_create();
if (mIonClient < 0) {
ALOGE("MemoryHeapIon : ION client creation failed : %s", strerror(errno));
mIonClient = -1;
} else {
if (fd >= 0) {
dup_fd = dup(fd);
if (dup_fd == -1) {
ALOGE("MemoryHeapIon : cannot dup fd (size[%zu], fd[%d]) : %s", size, fd, strerror(errno));
} else {
flags |= USE_ION_FD;
base = ion_map(dup_fd, size, 0);
if (base != MAP_FAILED) {
init(dup_fd, base, size, flags, NULL);
} else {
ALOGE("MemoryHeapIon : ION mmap failed(size[%zu], fd[%d]): %s", size, fd, strerror(errno));
ion_free(dup_fd);
}
}
} else {
ALOGE("MemoryHeapIon : fd parameter error(fd : %d)", fd);
}
}
}
MemoryHeapIon::~MemoryHeapIon()
{
if (mIonClient != -1) {
ion_unmap(getBase(), getSize());
ion_client_destroy(mIonClient);
mIonClient = -1;
}
}
};
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