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
to_ivpu_bo(struct drm_gem_object * obj)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
ivpu_bo_vaddr(struct ivpu_bo * bo)48 static inline void *ivpu_bo_vaddr(struct ivpu_bo *bo)
49 {
50 return bo->base.vaddr;
51 }
52
ivpu_bo_size(struct ivpu_bo * bo)53 static inline size_t ivpu_bo_size(struct ivpu_bo *bo)
54 {
55 return bo->base.base.size;
56 }
57
ivpu_bo_cache_mode(struct ivpu_bo * bo)58 static inline u32 ivpu_bo_cache_mode(struct ivpu_bo *bo)
59 {
60 return bo->flags & DRM_IVPU_BO_CACHE_MASK;
61 }
62
ivpu_bo_to_vdev(struct ivpu_bo * bo)63 static inline struct ivpu_device *ivpu_bo_to_vdev(struct ivpu_bo *bo)
64 {
65 return to_ivpu_device(bo->base.base.dev);
66 }
67
ivpu_bo_is_snooped(struct ivpu_bo * bo)68 static 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
ivpu_to_cpu_addr(struct ivpu_bo * bo,u32 vpu_addr)76 static 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
cpu_to_vpu_addr(struct ivpu_bo * bo,void * cpu_addr)87 static 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__ */
99