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46 lines
1.5 KiB
46 lines
1.5 KiB
/* |
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* ion.c |
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* |
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* Memory Allocator functions for ion |
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* |
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* Copyright 2011 Google, Inc |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef __SYS_CORE_ION_H |
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#define __SYS_CORE_ION_H |
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#include <sys/types.h> |
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#include <linux/ion.h> |
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__BEGIN_DECLS |
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struct ion_handle; |
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int ion_open(); |
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int ion_close(int fd); |
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int ion_alloc(int fd, size_t len, size_t align, unsigned int heap_mask, |
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unsigned int flags, ion_user_handle_t *handle); |
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int ion_alloc_fd(int fd, size_t len, size_t align, unsigned int heap_mask, |
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unsigned int flags, int *handle_fd); |
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int ion_sync_fd(int fd, int handle_fd); |
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int ion_free(int fd, ion_user_handle_t handle); |
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int ion_map(int fd, ion_user_handle_t handle, size_t length, int prot, |
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int flags, off_t offset, unsigned char **ptr, int *map_fd); |
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int ion_share(int fd, ion_user_handle_t handle, int *share_fd); |
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int ion_import(int fd, int share_fd, ion_user_handle_t *handle); |
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__END_DECLS |
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#endif /* __SYS_CORE_ION_H */
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