1 /**************************************************************************
2  *
3  * Copyright 2008-2009 VMware, Inc., Palo Alto, CA., USA
4  * All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sub license, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice (including the
15  * next paragraph) shall be included in all copies or substantial portions
16  * of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24  * USE OR OTHER DEALINGS IN THE SOFTWARE.
25  *
26  **************************************************************************/
27 /*
28  * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
29  */
30 
31 #ifndef _DRM_GLOBAL_H_
32 #define _DRM_GLOBAL_H_
33 enum drm_global_types {
34 	DRM_GLOBAL_TTM_MEM = 0,
35 	DRM_GLOBAL_TTM_BO,
36 	DRM_GLOBAL_TTM_OBJECT,
37 	DRM_GLOBAL_NUM
38 };
39 
40 struct drm_global_reference {
41 	enum drm_global_types global_type;
42 	size_t size;
43 	void *object;
44 	int (*init) (struct drm_global_reference *);
45 	void (*release) (struct drm_global_reference *);
46 };
47 
48 extern void drm_global_init(void);
49 extern void drm_global_release(void);
50 extern int drm_global_item_ref(struct drm_global_reference *ref);
51 extern void drm_global_item_unref(struct drm_global_reference *ref);
52 
53 #endif
54