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
to_panfrost_bo(struct drm_gem_object * obj)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
drm_mm_node_to_panfrost_bo(struct drm_mm_node * node)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
