1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2021 Intel Corporation
4 */
5#ifndef _INTEL_REGION_TTM_H_
6#define _INTEL_REGION_TTM_H_
7
8#include <linux/types.h>
9
10#include "i915_selftest.h"
11
12struct drm_i915_private;
13struct intel_memory_region;
14struct ttm_resource;
15struct ttm_device_funcs;
16
17int intel_region_ttm_device_init(struct drm_i915_private *dev_priv);
18
19void intel_region_ttm_device_fini(struct drm_i915_private *dev_priv);
20
21int intel_region_ttm_init(struct intel_memory_region *mem);
22
23int intel_region_ttm_fini(struct intel_memory_region *mem);
24
25struct i915_refct_sgt *
26intel_region_ttm_resource_to_rsgt(struct intel_memory_region *mem,
27 struct ttm_resource *res,
28 u32 page_alignment);
29
30void intel_region_ttm_resource_free(struct intel_memory_region *mem,
31 struct ttm_resource *res);
32
33int intel_region_to_ttm_type(const struct intel_memory_region *mem);
34
35struct ttm_device_funcs *i915_ttm_driver(void);
36
37#ifdef CONFIG_DRM_I915_SELFTEST
38struct ttm_resource *
39intel_region_ttm_resource_alloc(struct intel_memory_region *mem,
40 resource_size_t offset,
41 resource_size_t size,
42 unsigned int flags);
43#endif
44#endif /* _INTEL_REGION_TTM_H_ */
45