intel-gtt.h 996 B

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /* Common header for intel-gtt.ko and i915.ko */
  3. #ifndef _DRM_INTEL_GTT_H
  4. #define _DRM_INTEL_GTT_H
  5. #include <linux/agp_backend.h>
  6. #include <linux/intel-iommu.h>
  7. #include <linux/kernel.h>
  8. void intel_gtt_get(u64 *gtt_total,
  9. phys_addr_t *mappable_base,
  10. resource_size_t *mappable_end);
  11. int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
  12. struct agp_bridge_data *bridge);
  13. void intel_gmch_remove(void);
  14. bool intel_enable_gtt(void);
  15. void intel_gtt_chipset_flush(void);
  16. void intel_gtt_insert_page(dma_addr_t addr,
  17. unsigned int pg,
  18. unsigned int flags);
  19. void intel_gtt_insert_sg_entries(struct sg_table *st,
  20. unsigned int pg_start,
  21. unsigned int flags);
  22. void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
  23. /* Special gtt memory types */
  24. #define AGP_DCACHE_MEMORY 1
  25. #define AGP_PHYS_MEMORY 2
  26. /* flag for GFDT type */
  27. #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
  28. #endif