text: /**************************************************************************
   *
   * Copyright 2008-2009 VMware, Inc., Palo Alto, CA., USA
   * All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sub license, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice (including the
   * next paragraph) shall be included in all copies or substantial portions
   * of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
   * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
   * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
   * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
   * USE OR OTHER DEALINGS IN THE SOFTWARE.
   *
   **************************************************************************/
  /*
   * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
   */
  
  #ifndef _TTM_MODULE_H_
  #define _TTM_MODULE_H_
  
  #include <linux/kernel.h>
  
  #define TTM_PFX "[TTM] "
  
  enum ttm_global_types {
  	TTM_GLOBAL_TTM_MEM = 0,
  	TTM_GLOBAL_TTM_BO,
  	TTM_GLOBAL_TTM_OBJECT,
  	TTM_GLOBAL_NUM
  };
  
  struct ttm_global_reference {
  	enum ttm_global_types global_type;
  	size_t size;
  	void *object;
  	int (*init) (struct ttm_global_reference *);
  	void (*release) (struct ttm_global_reference *);
  };
  
  extern void ttm_global_init(void);
  extern void ttm_global_release(void);
  extern int ttm_global_item_ref(struct ttm_global_reference *ref);
  extern void ttm_global_item_unref(struct ttm_global_reference *ref);
  
  #endif /* _TTM_MODULE_H_ */
  