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/*
* ion.c
*
* Memory Allocator functions for ion
*
* Copyright 2011 Google, Inc
*
* 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 __SYS_CORE_ION_H
#define __SYS_CORE_ION_H
#include <sys/types.h>
#include <linux/ion.h>
__BEGIN_DECLS
struct ion_handle;
int ion_open();
int ion_close(int fd);
int ion_alloc(int fd, size_t len, size_t align, unsigned int heap_mask,
unsigned int flags, ion_user_handle_t *handle);
int ion_alloc_fd(int fd, size_t len, size_t align, unsigned int heap_mask,
unsigned int flags, int *handle_fd);
int ion_sync_fd(int fd, int handle_fd);
int ion_free(int fd, ion_user_handle_t handle);
int ion_map(int fd, ion_user_handle_t handle, size_t length, int prot,
int flags, off_t offset, unsigned char **ptr, int *map_fd);
int ion_share(int fd, ion_user_handle_t handle, int *share_fd);
int ion_import(int fd, int share_fd, ion_user_handle_t *handle);
__END_DECLS
#endif /* __SYS_CORE_ION_H */
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