1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright 2019 Linaro, Ltd, Rob Herring <robh@kernel.org> */
3 
4 #ifndef __PANFROST_GEM_H__
5 #define __PANFROST_GEM_H__
6 
7 #include <drm/drm_gem_shmem_helper.h>
8 #include <drm/drm_mm.h>
9 
10 struct panfrost_mmu;
11 
12 struct panfrost_gem_object {
13 	struct drm_gem_shmem_object base;
14 	struct sg_table *sgts;
15 
16 	struct panfrost_mmu *mmu;
17 	struct drm_mm_node node;
18 	bool is_mapped		:1;
19 	bool noexec		:1;
20 	bool is_heap		:1;
21 };
22 
23 static inline
24 struct  panfrost_gem_object *to_panfrost_bo(struct drm_gem_object *obj)
25 {
26 	return container_of(to_drm_gem_shmem_obj(obj), struct panfrost_gem_object, base);
27 }
28 
29 static inline
30 struct  panfrost_gem_object *drm_mm_node_to_panfrost_bo(struct drm_mm_node *node)
31 {
32 	return container_of(node, struct panfrost_gem_object, node);
33 }
34 
35 struct drm_gem_object *panfrost_gem_create_object(struct drm_device *dev, size_t size);
36 
37 struct drm_gem_object *
38 panfrost_gem_prime_import_sg_table(struct drm_device *dev,
39 				   struct dma_buf_attachment *attach,
40 				   struct sg_table *sgt);
41 
42 struct panfrost_gem_object *
43 panfrost_gem_create_with_handle(struct drm_file *file_priv,
44 				struct drm_device *dev, size_t size,
45 				u32 flags,
46 				uint32_t *handle);
47 
48 void panfrost_gem_shrinker_init(struct drm_device *dev);
49 void panfrost_gem_shrinker_cleanup(struct drm_device *dev);
50 
51 #endif /* __PANFROST_GEM_H__ */
52