/* SPDX-License-Identifier: GPL-2.0 *//* Common header for intel-gtt.ko and i915.ko */ #ifndef _DRM_INTEL_GTT_H#define	_DRM_INTEL_GTT_H #include <linux/types.h> struct agp_bridge_data;struct pci_dev;struct sg_table; void intel_gmch_gtt_get(u64 *gtt_total,			phys_addr_t *mappable_base,			resource_size_t *mappable_end); int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,		     struct agp_bridge_data *bridge);void intel_gmch_remove(void); bool intel_gmch_enable_gtt(void); void intel_gmch_gtt_flush(void);void intel_gmch_gtt_insert_page(dma_addr_t addr,				unsigned int pg,				unsigned int flags);void intel_gmch_gtt_insert_sg_entries(struct sg_table *st,				      unsigned int pg_start,				      unsigned int flags);void intel_gmch_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);dma_addr_t intel_gmch_gtt_read_entry(unsigned int pg,				     bool *is_present, bool *is_local); /* Special gtt memory types */#define AGP_DCACHE_MEMORY	1#define AGP_PHYS_MEMORY		2 /* flag for GFDT type */#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3) #endif