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 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 int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, 17 struct agp_bridge_data *bridge); 18 void intel_gmch_remove(void); 19 20 bool intel_enable_gtt(void); 21 22 void intel_gtt_chipset_flush(void); 23 void intel_gtt_insert_sg_entries(struct sg_table *st, 24 unsigned int pg_start, 25 unsigned int flags); 26 void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries); 27 28 /* Special gtt memory types */ 29 #define AGP_DCACHE_MEMORY 1 30 #define AGP_PHYS_MEMORY 2 31 32 /* flag for GFDT type */ 33 #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3) 34 35 #ifdef CONFIG_INTEL_IOMMU 36 extern int intel_iommu_gfx_mapped; 37 #endif 38 39 #endif 40