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Linux kernel mirror (for testing)
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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
10struct panfrost_mmu;
11
12struct 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
23static inline
24struct 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
29static inline
30struct 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
35struct drm_gem_object *panfrost_gem_create_object(struct drm_device *dev, size_t size);
36
37struct drm_gem_object *
38panfrost_gem_prime_import_sg_table(struct drm_device *dev,
39 struct dma_buf_attachment *attach,
40 struct sg_table *sgt);
41
42struct panfrost_gem_object *
43panfrost_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
48int panfrost_gem_open(struct drm_gem_object *obj, struct drm_file *file_priv);
49void panfrost_gem_close(struct drm_gem_object *obj,
50 struct drm_file *file_priv);
51
52void panfrost_gem_shrinker_init(struct drm_device *dev);
53void panfrost_gem_shrinker_cleanup(struct drm_device *dev);
54
55#endif /* __PANFROST_GEM_H__ */