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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 u64 vpu_addr;
21 u32 flags;
22 u32 job_status; /* Valid only for command buffer */
23 u32 ctx_id;
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 drm_gem_object *ivpu_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf);
32struct ivpu_bo *ivpu_bo_create(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx,
33 struct ivpu_addr_range *range, u64 size, u32 flags);
34struct ivpu_bo *ivpu_bo_create_global(struct ivpu_device *vdev, u64 size, u32 flags);
35void ivpu_bo_free(struct ivpu_bo *bo);
36
37int ivpu_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
38int ivpu_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
39int ivpu_bo_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
40
41void ivpu_bo_list(struct drm_device *dev, struct drm_printer *p);
42void ivpu_bo_list_print(struct drm_device *dev);
43
44static inline struct ivpu_bo *to_ivpu_bo(struct drm_gem_object *obj)
45{
46 return container_of(obj, struct ivpu_bo, base.base);
47}
48
49static inline void *ivpu_bo_vaddr(struct ivpu_bo *bo)
50{
51 return bo->base.vaddr;
52}
53
54static inline size_t ivpu_bo_size(struct ivpu_bo *bo)
55{
56 return bo->base.base.size;
57}
58
59static inline u32 ivpu_bo_cache_mode(struct ivpu_bo *bo)
60{
61 return bo->flags & DRM_IVPU_BO_CACHE_MASK;
62}
63
64static inline struct ivpu_device *ivpu_bo_to_vdev(struct ivpu_bo *bo)
65{
66 return to_ivpu_device(bo->base.base.dev);
67}
68
69static inline bool ivpu_bo_is_snooped(struct ivpu_bo *bo)
70{
71 if (ivpu_is_force_snoop_enabled(ivpu_bo_to_vdev(bo)))
72 return true;
73
74 return ivpu_bo_cache_mode(bo) == DRM_IVPU_BO_CACHED;
75}
76
77static inline void *ivpu_to_cpu_addr(struct ivpu_bo *bo, u32 vpu_addr)
78{
79 if (vpu_addr < bo->vpu_addr)
80 return NULL;
81
82 if (vpu_addr >= (bo->vpu_addr + ivpu_bo_size(bo)))
83 return NULL;
84
85 return ivpu_bo_vaddr(bo) + (vpu_addr - bo->vpu_addr);
86}
87
88static inline u32 cpu_to_vpu_addr(struct ivpu_bo *bo, void *cpu_addr)
89{
90 if (cpu_addr < ivpu_bo_vaddr(bo))
91 return 0;
92
93 if (cpu_addr >= (ivpu_bo_vaddr(bo) + ivpu_bo_size(bo)))
94 return 0;
95
96 return bo->vpu_addr + (cpu_addr - ivpu_bo_vaddr(bo));
97}
98
99#endif /* __IVPU_GEM_H__ */