128 lines
3.0 KiB
C
128 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2020-2023 Intel Corporation
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*/
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#ifndef __IVPU_GEM_H__
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#define __IVPU_GEM_H__
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#include <drm/drm_gem.h>
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#include <drm/drm_mm.h>
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struct dma_buf;
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struct ivpu_bo_ops;
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struct ivpu_file_priv;
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struct ivpu_bo {
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struct drm_gem_object base;
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const struct ivpu_bo_ops *ops;
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struct ivpu_mmu_context *ctx;
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struct list_head ctx_node;
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struct drm_mm_node mm_node;
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struct mutex lock; /* Protects: pages, sgt, mmu_mapped */
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struct sg_table *sgt;
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struct page **pages;
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bool mmu_mapped;
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void *kvaddr;
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u64 vpu_addr;
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u32 handle;
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u32 flags;
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uintptr_t user_ptr;
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u32 job_status;
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};
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enum ivpu_bo_type {
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IVPU_BO_TYPE_SHMEM = 1,
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IVPU_BO_TYPE_INTERNAL,
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IVPU_BO_TYPE_PRIME,
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};
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struct ivpu_bo_ops {
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enum ivpu_bo_type type;
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const char *name;
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int (*alloc_pages)(struct ivpu_bo *bo);
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void (*free_pages)(struct ivpu_bo *bo);
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int (*map_pages)(struct ivpu_bo *bo);
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void (*unmap_pages)(struct ivpu_bo *bo);
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};
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int ivpu_bo_pin(struct ivpu_bo *bo);
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void ivpu_bo_remove_all_bos_from_context(struct ivpu_mmu_context *ctx);
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void ivpu_bo_list(struct drm_device *dev, struct drm_printer *p);
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void ivpu_bo_list_print(struct drm_device *dev);
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struct ivpu_bo *
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ivpu_bo_alloc_internal(struct ivpu_device *vdev, u64 vpu_addr, u64 size, u32 flags);
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void ivpu_bo_free_internal(struct ivpu_bo *bo);
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struct drm_gem_object *ivpu_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf);
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void ivpu_bo_unmap_sgt_and_remove_from_context(struct ivpu_bo *bo);
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int ivpu_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
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int ivpu_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
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int ivpu_bo_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
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static inline struct ivpu_bo *to_ivpu_bo(struct drm_gem_object *obj)
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{
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return container_of(obj, struct ivpu_bo, base);
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}
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static inline struct page *ivpu_bo_get_page(struct ivpu_bo *bo, u64 offset)
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{
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if (offset > bo->base.size || !bo->pages)
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return NULL;
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return bo->pages[offset / PAGE_SIZE];
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}
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static inline u32 ivpu_bo_cache_mode(struct ivpu_bo *bo)
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{
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return bo->flags & DRM_IVPU_BO_CACHE_MASK;
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}
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static inline bool ivpu_bo_is_snooped(struct ivpu_bo *bo)
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{
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return ivpu_bo_cache_mode(bo) == DRM_IVPU_BO_CACHED;
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}
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static inline pgprot_t ivpu_bo_pgprot(struct ivpu_bo *bo, pgprot_t prot)
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{
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if (bo->flags & DRM_IVPU_BO_WC)
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return pgprot_writecombine(prot);
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if (bo->flags & DRM_IVPU_BO_UNCACHED)
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return pgprot_noncached(prot);
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return prot;
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}
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static inline struct ivpu_device *ivpu_bo_to_vdev(struct ivpu_bo *bo)
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{
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return to_ivpu_device(bo->base.dev);
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}
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static inline void *ivpu_to_cpu_addr(struct ivpu_bo *bo, u32 vpu_addr)
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{
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if (vpu_addr < bo->vpu_addr)
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return NULL;
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if (vpu_addr >= (bo->vpu_addr + bo->base.size))
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return NULL;
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return bo->kvaddr + (vpu_addr - bo->vpu_addr);
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}
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static inline u32 cpu_to_vpu_addr(struct ivpu_bo *bo, void *cpu_addr)
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{
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if (cpu_addr < bo->kvaddr)
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return 0;
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if (cpu_addr >= (bo->kvaddr + bo->base.size))
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return 0;
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return bo->vpu_addr + (cpu_addr - bo->kvaddr);
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}
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#endif /* __IVPU_GEM_H__ */
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