1 #ifndef __LINUX_SWIOTLB_H
2 #define __LINUX_SWIOTLB_H
4 #include <linux/types.h>
14 *swiotlb_alloc_coherent(struct device *hwdev, size_t size,
15 dma_addr_t *dma_handle, gfp_t flags);
18 swiotlb_free_coherent(struct device *hwdev, size_t size,
19 void *vaddr, dma_addr_t dma_handle);
22 swiotlb_map_single(struct device *hwdev, void *ptr, size_t size, int dir);
25 swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
26 size_t size, int dir);
29 swiotlb_map_single_attrs(struct device *hwdev, void *ptr, size_t size,
30 int dir, struct dma_attrs *attrs);
33 swiotlb_unmap_single_attrs(struct device *hwdev, dma_addr_t dev_addr,
34 size_t size, int dir, struct dma_attrs *attrs);
37 swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents,
41 swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
45 swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
46 int dir, struct dma_attrs *attrs);
49 swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
50 int nelems, int dir, struct dma_attrs *attrs);
53 swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
54 size_t size, int dir);
57 swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
61 swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
62 size_t size, int dir);
65 swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
69 swiotlb_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
70 unsigned long offset, size_t size, int dir);
73 swiotlb_sync_single_range_for_device(struct device *hwdev, dma_addr_t dev_addr,
74 unsigned long offset, size_t size,
78 swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);
81 swiotlb_dma_supported(struct device *hwdev, u64 mask);
83 #endif /* __LINUX_SWIOTLB_H */