1 /*
2  * Copyright 2007 Nouveau Project
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 shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20  * SOFTWARE.
21  */
22 
23 #ifndef __NOUVEAU_HEAP_H__
24 #define __NOUVEAU_HEAP_H__
25 
26 struct nouveau_heap {
27 	struct nouveau_heap *prev;
28 	struct nouveau_heap *next;
29 
30 	void *priv;
31 
32 	unsigned start;
33 	unsigned size;
34 
35 	int in_use;
36 };
37 
38 int
39 nouveau_heap_init(struct nouveau_heap **heap, unsigned start,
40                   unsigned size);
41 
42 void
43 nouveau_heap_destroy(struct nouveau_heap **heap);
44 
45 int
46 nouveau_heap_alloc(struct nouveau_heap *heap, unsigned size, void *priv,
47                    struct nouveau_heap **);
48 
49 void
50 nouveau_heap_free(struct nouveau_heap **);
51 
52 #endif
53