Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2020-2025 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_bind(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_runtime(struct ivpu_device *vdev, u64 addr, u64 size, u32 flags);
35struct ivpu_bo *ivpu_bo_create_global(struct ivpu_device *vdev, u64 size, u32 flags);
36void ivpu_bo_free(struct ivpu_bo *bo);
37
38int ivpu_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
39int ivpu_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
40int ivpu_bo_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
41int ivpu_bo_create_from_userptr_ioctl(struct drm_device *dev, void *data,
42 struct drm_file *file);
43
44void ivpu_bo_list(struct drm_device *dev, struct drm_printer *p);
45void ivpu_bo_list_print(struct drm_device *dev);
46
47static inline struct ivpu_bo *to_ivpu_bo(struct drm_gem_object *obj)
48{
49 return container_of(obj, struct ivpu_bo, base.base);
50}
51
52static inline void *ivpu_bo_vaddr(struct ivpu_bo *bo)
53{
54 return bo->base.vaddr;
55}
56
57static inline size_t ivpu_bo_size(struct ivpu_bo *bo)
58{
59 return bo->base.base.size;
60}
61
62static inline u32 ivpu_bo_cache_mode(struct ivpu_bo *bo)
63{
64 return bo->flags & DRM_IVPU_BO_CACHE_MASK;
65}
66
67static inline struct ivpu_device *ivpu_bo_to_vdev(struct ivpu_bo *bo)
68{
69 return to_ivpu_device(bo->base.base.dev);
70}
71
72static inline bool ivpu_bo_is_snooped(struct ivpu_bo *bo)
73{
74 if (ivpu_is_force_snoop_enabled(ivpu_bo_to_vdev(bo)))
75 return true;
76
77 return ivpu_bo_cache_mode(bo) == DRM_IVPU_BO_CACHED;
78}
79
80static inline bool ivpu_bo_is_read_only(struct ivpu_bo *bo)
81{
82 return bo->flags & DRM_IVPU_BO_READ_ONLY;
83}
84
85static inline bool ivpu_bo_is_resident(struct ivpu_bo *bo)
86{
87 return !!bo->base.pages;
88}
89
90static inline void *ivpu_to_cpu_addr(struct ivpu_bo *bo, u32 vpu_addr)
91{
92 if (vpu_addr < bo->vpu_addr)
93 return NULL;
94
95 if (vpu_addr >= (bo->vpu_addr + ivpu_bo_size(bo)))
96 return NULL;
97
98 return ivpu_bo_vaddr(bo) + (vpu_addr - bo->vpu_addr);
99}
100
101static inline u32 cpu_to_vpu_addr(struct ivpu_bo *bo, void *cpu_addr)
102{
103 if (cpu_addr < ivpu_bo_vaddr(bo))
104 return 0;
105
106 if (cpu_addr >= (ivpu_bo_vaddr(bo) + ivpu_bo_size(bo)))
107 return 0;
108
109 return bo->vpu_addr + (cpu_addr - ivpu_bo_vaddr(bo));
110}
111
112static inline bool ivpu_bo_is_mappable(struct ivpu_bo *bo)
113{
114 return bo->flags & DRM_IVPU_BO_MAPPABLE;
115}
116
117#endif /* __IVPU_GEM_H__ */