include/drm/intel-gtt.h

   1 /* Common header for intel-gtt.ko and i915.ko */
   2
   3 #ifndef _DRM_INTEL_GTT_H
   4 #define _DRM_INTEL_GTT_H
   5
   6 const struct intel_gtt {
   7         /* Size of memory reserved for graphics by the BIOS */
   8         unsigned int stolen_size;
   9         /* Total number of gtt entries. */
  10         unsigned int gtt_total_entries;
  11         /* Part of the gtt that is mappable by the cpu, for those chips where
  12          * this is not the full gtt. */
  13         unsigned int gtt_mappable_entries;
  14 } *intel_gtt_get(void);
  15
  16 void intel_gtt_chipset_flush(void);
  17
  18 /* Special gtt memory types */
  19 #define AGP_DCACHE_MEMORY       1
  20 #define AGP_PHYS_MEMORY         2
  21
  22 /* New caching attributes for gen6/sandybridge */
  23 #define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2)
  24 #define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4)
  25
  26 /* flag for GFDT type */
  27 #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
  28
  29 #endif