/* * 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 <linux/ion.h> #include <linux/omap_ion.h> __BEGIN_DECLS int ion_open(); int ion_close(int fd); int ion_alloc(int fd, size_t len, size_t align, unsigned int flags, struct ion_handle **handle); int ion_alloc_tiler(int fd, size_t w, size_t h, int fmt, unsigned int flags, struct ion_handle **handle, size_t *stride); int ion_sync_fd(int fd, int handle_fd); int ion_free(int fd, struct ion_handle *handle); int ion_map(int fd, struct ion_handle *handle, size_t length, int prot, int flags, off_t offset, unsigned char **ptr, int *map_fd); int ion_share(int fd, struct ion_handle *handle, int *share_fd); int ion_import(int fd, int share_fd, struct ion_handle **handle); int ion_map_cacheable(int fd, struct ion_handle *handle, size_t length, int prot, int flags, off_t offset, unsigned char **ptr, int *map_fd); int ion_flush_cached(int fd, struct ion_handle *handle, size_t length, unsigned char *ptr); int ion_inval_cached(int fd, struct ion_handle *handle, size_t length, unsigned char *ptr); __END_DECLS #endif /* __SYS_CORE_ION_H */