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/* 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/agp_backend.h> #include <linux/intel-iommu.h> #include <linux/kernel.h> void intel_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_enable_gtt(void); void intel_gtt_chipset_flush(void); void intel_gtt_insert_page(dma_addr_t addr, unsigned int pg, unsigned int flags); void intel_gtt_insert_sg_entries(struct sg_table *st, unsigned int pg_start, unsigned int flags); void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries); /* 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