12 int dma_direct_get_sgtable(struct device *dev, struct sg_table *sgt,
15 bool dma_direct_can_mmap(struct device *dev);
16 int dma_direct_mmap(struct device *dev, struct vm_area_struct *vma,
19 bool dma_direct_need_sync(struct device *dev, dma_addr_t dma_addr);
20 int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
22 size_t dma_direct_max_mapping_size(struct device *dev);
26 void dma_direct_sync_sg_for_device(struct device *dev, struct scatterlist *sgl,
29 static inline void dma_direct_sync_sg_for_device(struct device *dev,  in dma_direct_sync_sg_for_device()  argument
38 void dma_direct_unmap_sg(struct device *dev, struct scatterlist *sgl,
40 void dma_direct_sync_sg_for_cpu(struct device *dev,
43 static inline void dma_direct_unmap_sg(struct device *dev,  in dma_direct_unmap_sg()  argument
48 static inline void dma_direct_sync_sg_for_cpu(struct device *dev,  in dma_direct_sync_sg_for_cpu()  argument
54 static inline void dma_direct_sync_single_for_device(struct device *dev,  in dma_direct_sync_single_for_device()  argument
57 	phys_addr_t paddr = dma_to_phys(dev, addr);  in dma_direct_sync_single_for_device()
60 		swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_DEVICE);  in dma_direct_sync_single_for_device()
62 	if (!dev_is_dma_coherent(dev))  in dma_direct_sync_single_for_device()
66 static inline void dma_direct_sync_single_for_cpu(struct device *dev,  in dma_direct_sync_single_for_cpu()  argument
69 	phys_addr_t paddr = dma_to_phys(dev, addr);  in dma_direct_sync_single_for_cpu()
71 	if (!dev_is_dma_coherent(dev)) {  in dma_direct_sync_single_for_cpu()
77 		swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_CPU);  in dma_direct_sync_single_for_cpu()
83 static inline dma_addr_t dma_direct_map_page(struct device *dev,  in dma_direct_map_page()  argument
88 	dma_addr_t dma_addr = phys_to_dma(dev, phys);  in dma_direct_map_page()
91 		return swiotlb_map(dev, phys, size, dir, attrs);  in dma_direct_map_page()
93 	if (unlikely(!dma_capable(dev, dma_addr, size, true))) {  in dma_direct_map_page()
95 			return swiotlb_map(dev, phys, size, dir, attrs);  in dma_direct_map_page()
97 		dev_WARN_ONCE(dev, 1,  in dma_direct_map_page()
99 			     &dma_addr, size, *dev->dma_mask, dev->bus_dma_limit);  in dma_direct_map_page()
103 	if (!dev_is_dma_coherent(dev) && !(attrs & DMA_ATTR_SKIP_CPU_SYNC))  in dma_direct_map_page()
108 static inline void dma_direct_unmap_page(struct device *dev, dma_addr_t addr,  in dma_direct_unmap_page()  argument
111 	phys_addr_t phys = dma_to_phys(dev, addr);  in dma_direct_unmap_page()
114 		dma_direct_sync_single_for_cpu(dev, addr, size, dir);  in dma_direct_unmap_page()
117 		swiotlb_tbl_unmap_single(dev, phys, size, size, dir,  in dma_direct_unmap_page()