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  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 _TTM_MODULE_H_
  32. #define _TTM_MODULE_H_
  33.  
  34. #include <linux/kernel.h>
  35. struct kobject;
  36.  
  37. #define TTM_PFX "[TTM] "
  38.  
  39. enum ttm_global_types {
  40.         TTM_GLOBAL_TTM_MEM = 0,
  41.         TTM_GLOBAL_TTM_BO,
  42.         TTM_GLOBAL_TTM_OBJECT,
  43.         TTM_GLOBAL_NUM
  44. };
  45.  
  46. struct ttm_global_reference {
  47.         enum ttm_global_types global_type;
  48.         size_t size;
  49.         void *object;
  50.         int (*init) (struct ttm_global_reference *);
  51.         void (*release) (struct ttm_global_reference *);
  52. };
  53.  
  54. extern void ttm_global_init(void);
  55. extern void ttm_global_release(void);
  56. extern int ttm_global_item_ref(struct ttm_global_reference *ref);
  57. extern void ttm_global_item_unref(struct ttm_global_reference *ref);
  58. extern struct kobject *ttm_get_kobj(void);
  59.  
  60. #endif /* _TTM_MODULE_H_ */
  61.