drm/i915/intel_region_ttm.h

0001 /* SPDX-License-Identifier: MIT */
0002 /*
0003  * Copyright © 2021 Intel Corporation
0004  */
0005 #ifndef _INTEL_REGION_TTM_H_
0006 #define _INTEL_REGION_TTM_H_
0007
0008 #include <linux/types.h>
0009
0010 #include "i915_selftest.h"
0011
0012 struct drm_i915_private;
0013 struct intel_memory_region;
0014 struct ttm_resource;
0015 struct ttm_device_funcs;
0016
0017 int intel_region_ttm_device_init(struct drm_i915_private *dev_priv);
0018
0019 void intel_region_ttm_device_fini(struct drm_i915_private *dev_priv);
0020
0021 int intel_region_ttm_init(struct intel_memory_region *mem);
0022
0023 int intel_region_ttm_fini(struct intel_memory_region *mem);
0024
0025 struct i915_refct_sgt *
0026 intel_region_ttm_resource_to_rsgt(struct intel_memory_region *mem,
0027                   struct ttm_resource *res,
0028                   u32 page_alignment);
0029
0030 void intel_region_ttm_resource_free(struct intel_memory_region *mem,
0031                     struct ttm_resource *res);
0032
0033 int intel_region_to_ttm_type(const struct intel_memory_region *mem);
0034
0035 struct ttm_device_funcs *i915_ttm_driver(void);
0036
0037 #ifdef CONFIG_DRM_I915_SELFTEST
0038 struct ttm_resource *
0039 intel_region_ttm_resource_alloc(struct intel_memory_region *mem,
0040                 resource_size_t offset,
0041                 resource_size_t size,
0042                 unsigned int flags);
0043 #endif
0044 #endif /* _INTEL_REGION_TTM_H_ */