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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2020-2023 Intel Corporation
4 */
5#ifndef __IVPU_GEM_H__
6#define __IVPU_GEM_H__
7
8#include <drm/drm_gem.h>
9#include <drm/drm_gem_shmem_helper.h>
10#include <drm/drm_mm.h>
11
12struct ivpu_file_priv;
13
14struct ivpu_bo {
15 struct drm_gem_shmem_object base;
16 struct ivpu_mmu_context *ctx;
17 struct list_head bo_list_node;
18 struct drm_mm_node mm_node;
19
20 struct mutex lock; /* Protects: ctx, mmu_mapped, vpu_addr */
21 u64 vpu_addr;
22 u32 flags;
23 u32 job_status; /* Valid only for command buffer */
24 bool mmu_mapped;
25};
26
27int ivpu_bo_pin(struct ivpu_bo *bo);
28void ivpu_bo_unbind_all_bos_from_context(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx);
29
30struct drm_gem_object *ivpu_gem_create_object(struct drm_device *dev, size_t size);
31struct ivpu_bo *ivpu_bo_create(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx,
32 struct ivpu_addr_range *range, u64 size, u32 flags);
33struct ivpu_bo *ivpu_bo_create_global(struct ivpu_device *vdev, u64 size, u32 flags);
34void ivpu_bo_free(struct ivpu_bo *bo);
35
36int ivpu_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
37int ivpu_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
38int ivpu_bo_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
39
40void ivpu_bo_list(struct drm_device *dev, struct drm_printer *p);
41void ivpu_bo_list_print(struct drm_device *dev);
42
43static inline struct ivpu_bo *to_ivpu_bo(struct drm_gem_object *obj)
44{
45 return container_of(obj, struct ivpu_bo, base.base);
46}
47
48static inline void *ivpu_bo_vaddr(struct ivpu_bo *bo)
49{
50 return bo->base.vaddr;
51}
52
53static inline size_t ivpu_bo_size(struct ivpu_bo *bo)
54{
55 return bo->base.base.size;
56}
57
58static inline u32 ivpu_bo_cache_mode(struct ivpu_bo *bo)
59{
60 return bo->flags & DRM_IVPU_BO_CACHE_MASK;
61}
62
63static inline struct ivpu_device *ivpu_bo_to_vdev(struct ivpu_bo *bo)
64{
65 return to_ivpu_device(bo->base.base.dev);
66}
67
68static inline bool ivpu_bo_is_snooped(struct ivpu_bo *bo)
69{
70 if (ivpu_is_force_snoop_enabled(ivpu_bo_to_vdev(bo)))
71 return true;
72
73 return ivpu_bo_cache_mode(bo) == DRM_IVPU_BO_CACHED;
74}
75
76static inline void *ivpu_to_cpu_addr(struct ivpu_bo *bo, u32 vpu_addr)
77{
78 if (vpu_addr < bo->vpu_addr)
79 return NULL;
80
81 if (vpu_addr >= (bo->vpu_addr + ivpu_bo_size(bo)))
82 return NULL;
83
84 return ivpu_bo_vaddr(bo) + (vpu_addr - bo->vpu_addr);
85}
86
87static inline u32 cpu_to_vpu_addr(struct ivpu_bo *bo, void *cpu_addr)
88{
89 if (cpu_addr < ivpu_bo_vaddr(bo))
90 return 0;
91
92 if (cpu_addr >= (ivpu_bo_vaddr(bo) + ivpu_bo_size(bo)))
93 return 0;
94
95 return bo->vpu_addr + (cpu_addr - ivpu_bo_vaddr(bo));
96}
97
98#endif /* __IVPU_GEM_H__ */