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
11struct drm_i915_private;
12struct drm_mm_node;
13struct drm_i915_gem_object;
14
15#define i915_stolen_fb drm_mm_node
16
17int i915_gem_stolen_insert_node(struct drm_i915_private *i915,
18 struct drm_mm_node *node, u64 size,
19 unsigned alignment);
20int i915_gem_stolen_insert_node_in_range(struct drm_i915_private *i915,
21 struct drm_mm_node *node, u64 size,
22 unsigned alignment, u64 start,
23 u64 end);
24void i915_gem_stolen_remove_node(struct drm_i915_private *i915,
25 struct drm_mm_node *node);
26struct intel_memory_region *
27i915_gem_stolen_smem_setup(struct drm_i915_private *i915, u16 type,
28 u16 instance);
29struct intel_memory_region *
30i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type,
31 u16 instance);
32
33struct drm_i915_gem_object *
34i915_gem_object_create_stolen(struct drm_i915_private *i915,
35 resource_size_t size);
36
37bool i915_gem_object_is_stolen(const struct drm_i915_gem_object *obj);
38
39#define I915_GEM_STOLEN_BIAS SZ_128K
40
41bool i915_gem_stolen_initialized(const struct drm_i915_private *i915);
42u64 i915_gem_stolen_area_address(const struct drm_i915_private *i915);
43u64 i915_gem_stolen_area_size(const struct drm_i915_private *i915);
44
45u64 i915_gem_stolen_node_address(const struct drm_i915_private *i915,
46 const struct drm_mm_node *node);
47
48bool i915_gem_stolen_node_allocated(const struct drm_mm_node *node);
49u64 i915_gem_stolen_node_offset(const struct drm_mm_node *node);
50u64 i915_gem_stolen_node_size(const struct drm_mm_node *node);
51
52#endif /* __I915_GEM_STOLEN_H__ */
53