drivers/gpu/drm/i915/intel_region_ttm.h

   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
  12 struct drm_i915_private;
  13 struct intel_memory_region;
  14 struct ttm_resource;
  15 struct ttm_device_funcs;
  16
  17 int intel_region_ttm_device_init(struct drm_i915_private *dev_priv);
  18
  19 void intel_region_ttm_device_fini(struct drm_i915_private *dev_priv);
  20
  21 int intel_region_ttm_init(struct intel_memory_region *mem);
  22
  23 int intel_region_ttm_fini(struct intel_memory_region *mem);
  24
  25 struct i915_refct_sgt *
  26 intel_region_ttm_resource_to_rsgt(struct intel_memory_region *mem,
  27                                   struct ttm_resource *res,
  28                                   u32 page_alignment);
  29
  30 void intel_region_ttm_resource_free(struct intel_memory_region *mem,
  31                                     struct ttm_resource *res);
  32
  33 int intel_region_to_ttm_type(const struct intel_memory_region *mem);
  34
  35 struct ttm_device_funcs *i915_ttm_driver(void);
  36
  37 #ifdef CONFIG_DRM_I915_SELFTEST
  38 struct ttm_resource *
  39 intel_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_ */