vma.h revision b8e80941 
1/*
2 * Copyright © 2018 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#ifndef _UTIL_VMA_H
25#define _UTIL_VMA_H
26
27#include <stdint.h>
28
29#include "list.h"
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35struct util_vma_heap {
36   struct list_head holes;
37};
38
39void util_vma_heap_init(struct util_vma_heap *heap,
40                        uint64_t start, uint64_t size);
41void util_vma_heap_finish(struct util_vma_heap *heap);
42
43uint64_t util_vma_heap_alloc(struct util_vma_heap *heap,
44                             uint64_t size, uint64_t alignment);
45
46void util_vma_heap_free(struct util_vma_heap *heap,
47                        uint64_t offset, uint64_t size);
48
49#ifdef __cplusplus
50} /* extern C */
51#endif
52
53#endif /* _UTIL_DEBUG_H */
54