1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2019 Intel Corporation
4  */
5 
6 #ifndef __I915_GEM_STOLEN_H__
7 #define __I915_GEM_STOLEN_H__
8 
9 #include <linux/types.h>
10 
11 struct drm_i915_private;
12 struct drm_mm_node;
13 struct drm_i915_gem_object;
14 
15 int i915_gem_stolen_insert_node(struct drm_i915_private *dev_priv,
16 				struct drm_mm_node *node, u64 size,
17 				unsigned alignment);
18 int i915_gem_stolen_insert_node_in_range(struct drm_i915_private *dev_priv,
19 					 struct drm_mm_node *node, u64 size,
20 					 unsigned alignment, u64 start,
21 					 u64 end);
22 void i915_gem_stolen_remove_node(struct drm_i915_private *dev_priv,
23 				 struct drm_mm_node *node);
24 struct intel_memory_region *
25 i915_gem_stolen_smem_setup(struct drm_i915_private *i915, u16 type,
26 			   u16 instance);
27 struct intel_memory_region *
28 i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type,
29 			   u16 instance);
30 
31 struct drm_i915_gem_object *
32 i915_gem_object_create_stolen(struct drm_i915_private *dev_priv,
33 			      resource_size_t size);
34 struct drm_i915_gem_object *
35 i915_gem_object_create_stolen_for_preallocated(struct drm_i915_private *dev_priv,
36 					       resource_size_t stolen_offset,
37 					       resource_size_t size);
38 
39 bool i915_gem_object_is_stolen(const struct drm_i915_gem_object *obj);
40 
41 #define I915_GEM_STOLEN_BIAS SZ_128K
42 
43 #endif /* __I915_GEM_STOLEN_H__ */
44