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 | |
12 | struct ivpu_file_priv; |
13 | |
14 | struct 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 | |
27 | int ivpu_bo_pin(struct ivpu_bo *bo); |
28 | void ivpu_bo_unbind_all_bos_from_context(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx); |
29 | |
30 | struct drm_gem_object *ivpu_gem_create_object(struct drm_device *dev, size_t size); |
31 | struct ivpu_bo *ivpu_bo_create(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx, |
32 | struct ivpu_addr_range *range, u64 size, u32 flags); |
33 | struct ivpu_bo *ivpu_bo_create_global(struct ivpu_device *vdev, u64 size, u32 flags); |
34 | void ivpu_bo_free(struct ivpu_bo *bo); |
35 | |
36 | int ivpu_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file); |
37 | int ivpu_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file); |
38 | int ivpu_bo_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file); |
39 | |
40 | void ivpu_bo_list(struct drm_device *dev, struct drm_printer *p); |
41 | void ivpu_bo_list_print(struct drm_device *dev); |
42 | |
43 | static 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 | |
48 | static inline void *ivpu_bo_vaddr(struct ivpu_bo *bo) |
49 | { |
50 | return bo->base.vaddr; |
51 | } |
52 | |
53 | static inline size_t ivpu_bo_size(struct ivpu_bo *bo) |
54 | { |
55 | return bo->base.base.size; |
56 | } |
57 | |
58 | static inline u32 ivpu_bo_cache_mode(struct ivpu_bo *bo) |
59 | { |
60 | return bo->flags & DRM_IVPU_BO_CACHE_MASK; |
61 | } |
62 | |
63 | static inline bool ivpu_bo_is_snooped(struct ivpu_bo *bo) |
64 | { |
65 | return ivpu_bo_cache_mode(bo) == DRM_IVPU_BO_CACHED; |
66 | } |
67 | |
68 | static inline struct ivpu_device *ivpu_bo_to_vdev(struct ivpu_bo *bo) |
69 | { |
70 | return to_ivpu_device(dev: bo->base.base.dev); |
71 | } |
72 | |
73 | static inline void *ivpu_to_cpu_addr(struct ivpu_bo *bo, u32 vpu_addr) |
74 | { |
75 | if (vpu_addr < bo->vpu_addr) |
76 | return NULL; |
77 | |
78 | if (vpu_addr >= (bo->vpu_addr + ivpu_bo_size(bo))) |
79 | return NULL; |
80 | |
81 | return ivpu_bo_vaddr(bo) + (vpu_addr - bo->vpu_addr); |
82 | } |
83 | |
84 | static inline u32 cpu_to_vpu_addr(struct ivpu_bo *bo, void *cpu_addr) |
85 | { |
86 | if (cpu_addr < ivpu_bo_vaddr(bo)) |
87 | return 0; |
88 | |
89 | if (cpu_addr >= (ivpu_bo_vaddr(bo) + ivpu_bo_size(bo))) |
90 | return 0; |
91 | |
92 | return bo->vpu_addr + (cpu_addr - ivpu_bo_vaddr(bo)); |
93 | } |
94 | |
95 | #endif /* __IVPU_GEM_H__ */ |
96 | |