src/gallium/drivers/nouveau/nouveau_heap.h

   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