Viewing file:  intel-gtt.h (996 B) -rw-r--r--
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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
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