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1 | #ifndef __LINUX_SWIOTLB_XEN_H |
2 | #define __LINUX_SWIOTLB_XEN_H |
3 | |
4 | #include <linux/swiotlb.h> |
5 | |
6 | extern void xen_swiotlb_init(int verbose); |
7 | |
8 | extern void |
9 | *xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size, |
10 | dma_addr_t *dma_handle, gfp_t flags); |
11 | |
12 | extern void |
13 | xen_swiotlb_free_coherent(struct device *hwdev, size_t size, |
14 | void *vaddr, dma_addr_t dma_handle); |
15 | |
16 | extern dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, |
17 | unsigned long offset, size_t size, |
18 | enum dma_data_direction dir, |
19 | struct dma_attrs *attrs); |
20 | |
21 | extern void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, |
22 | size_t size, enum dma_data_direction dir, |
23 | struct dma_attrs *attrs); |
24 | /* |
25 | extern int |
26 | xen_swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, |
27 | enum dma_data_direction dir); |
28 | |
29 | extern void |
30 | xen_swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents, |
31 | enum dma_data_direction dir); |
32 | */ |
33 | extern int |
34 | xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, |
35 | int nelems, enum dma_data_direction dir, |
36 | struct dma_attrs *attrs); |
37 | |
38 | extern void |
39 | xen_swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, |
40 | int nelems, enum dma_data_direction dir, |
41 | struct dma_attrs *attrs); |
42 | |
43 | extern void |
44 | xen_swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr, |
45 | size_t size, enum dma_data_direction dir); |
46 | |
47 | extern void |
48 | xen_swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg, |
49 | int nelems, enum dma_data_direction dir); |
50 | |
51 | extern void |
52 | xen_swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr, |
53 | size_t size, enum dma_data_direction dir); |
54 | |
55 | extern void |
56 | xen_swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg, |
57 | int nelems, enum dma_data_direction dir); |
58 | |
59 | extern int |
60 | xen_swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr); |
61 | |
62 | extern int |
63 | xen_swiotlb_dma_supported(struct device *hwdev, u64 mask); |
64 | |
65 | #endif /* __LINUX_SWIOTLB_XEN_H */ |
66 |
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