LXR linux/include/drm/drm

   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,
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  26 **************************************************************************/
  27/*
  28 * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
  29 */
  30
  31#ifndef _DRM_GLOBAL_H_
  32#define _DRM_GLOBAL_H_
  33enum 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
  40struct 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
  48extern void drm_global_init(void);
  49extern void drm_global_release(void);
  50extern int drm_global_item_ref(struct drm_global_reference *ref);
  51extern void drm_global_item_unref(struct drm_global_reference *ref);
  52
  53#endif
  54