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Diffstat (limited to 'libs/binder/MemoryHeapBaseIon.cpp')
-rw-r--r-- | libs/binder/MemoryHeapBaseIon.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/libs/binder/MemoryHeapBaseIon.cpp b/libs/binder/MemoryHeapBaseIon.cpp new file mode 100644 index 0000000..fe7dbb8 --- /dev/null +++ b/libs/binder/MemoryHeapBaseIon.cpp @@ -0,0 +1,96 @@ +/* + * 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; + } +} + +}; |