drivers/gpu/drm/i915/intel_region_ttm.h


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/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2021 Intel Corporation
 */
#ifndef _INTEL_REGION_TTM_H_
#define _INTEL_REGION_TTM_H_

#include <linux/types.h>

#include "i915_selftest.h"

struct drm_i915_private;
struct intel_memory_region;
struct ttm_resource;
struct ttm_device_funcs;

int intel_region_ttm_device_init(struct drm_i915_private *dev_priv);

void intel_region_ttm_device_fini(struct drm_i915_private *dev_priv);

int intel_region_ttm_init(struct intel_memory_region *mem);

int intel_region_ttm_fini(struct intel_memory_region *mem);

struct i915_refct_sgt *
intel_region_ttm_resource_to_rsgt(struct intel_memory_region *mem,
				  struct ttm_resource *res,
				  u64 page_alignment);

void intel_region_ttm_resource_free(struct intel_memory_region *mem,
				    struct ttm_resource *res);

int intel_region_to_ttm_type(const struct intel_memory_region *mem);

struct ttm_device_funcs *i915_ttm_driver(void);

#ifdef CONFIG_DRM_I915_SELFTEST
struct ttm_resource *
intel_region_ttm_resource_alloc(struct intel_memory_region *mem,
				resource_size_t offset,
				resource_size_t size,
				unsigned int flags);
#endif
#endif /* _INTEL_REGION_TTM_H_ */