1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2020-2023 Intel Corporation
8 #include <drm/drm_gem.h>
9 #include <drm/drm_mm.h>
13 struct ivpu_file_priv;
16 struct drm_gem_object base;
17 const struct ivpu_bo_ops *ops;
19 struct ivpu_mmu_context *ctx;
20 struct list_head ctx_node;
21 struct drm_mm_node mm_node;
23 struct mutex lock; /* Protects: pages, sgt, mmu_mapped */
36 IVPU_BO_TYPE_SHMEM = 1,
37 IVPU_BO_TYPE_INTERNAL,
42 enum ivpu_bo_type type;
44 int (*alloc_pages)(struct ivpu_bo *bo);
45 void (*free_pages)(struct ivpu_bo *bo);
46 int (*map_pages)(struct ivpu_bo *bo);
47 void (*unmap_pages)(struct ivpu_bo *bo);
50 int ivpu_bo_pin(struct ivpu_bo *bo);
51 void ivpu_bo_remove_all_bos_from_context(struct ivpu_mmu_context *ctx);
52 void ivpu_bo_list(struct drm_device *dev, struct drm_printer *p);
53 void ivpu_bo_list_print(struct drm_device *dev);
56 ivpu_bo_alloc_internal(struct ivpu_device *vdev, u64 vpu_addr, u64 size, u32 flags);
57 void ivpu_bo_free_internal(struct ivpu_bo *bo);
58 struct drm_gem_object *ivpu_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf);
59 void ivpu_bo_unmap_sgt_and_remove_from_context(struct ivpu_bo *bo);
61 int ivpu_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
62 int ivpu_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
63 int ivpu_bo_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
65 static inline struct ivpu_bo *to_ivpu_bo(struct drm_gem_object *obj)
67 return container_of(obj, struct ivpu_bo, base);
70 static inline struct page *ivpu_bo_get_page(struct ivpu_bo *bo, u64 offset)
72 if (offset > bo->base.size || !bo->pages)
75 return bo->pages[offset / PAGE_SIZE];
78 static inline u32 ivpu_bo_cache_mode(struct ivpu_bo *bo)
80 return bo->flags & DRM_IVPU_BO_CACHE_MASK;
83 static inline bool ivpu_bo_is_snooped(struct ivpu_bo *bo)
85 return ivpu_bo_cache_mode(bo) == DRM_IVPU_BO_CACHED;
88 static inline pgprot_t ivpu_bo_pgprot(struct ivpu_bo *bo, pgprot_t prot)
90 if (bo->flags & DRM_IVPU_BO_WC)
91 return pgprot_writecombine(prot);
93 if (bo->flags & DRM_IVPU_BO_UNCACHED)
94 return pgprot_noncached(prot);
99 static inline struct ivpu_device *ivpu_bo_to_vdev(struct ivpu_bo *bo)
101 return to_ivpu_device(bo->base.dev);
104 static inline void *ivpu_to_cpu_addr(struct ivpu_bo *bo, u32 vpu_addr)
106 if (vpu_addr < bo->vpu_addr)
109 if (vpu_addr >= (bo->vpu_addr + bo->base.size))
112 return bo->kvaddr + (vpu_addr - bo->vpu_addr);
115 static inline u32 cpu_to_vpu_addr(struct ivpu_bo *bo, void *cpu_addr)
117 if (cpu_addr < bo->kvaddr)
120 if (cpu_addr >= (bo->kvaddr + bo->base.size))
123 return bo->vpu_addr + (cpu_addr - bo->kvaddr);
126 #endif /* __IVPU_GEM_H__ */