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1 | #ifndef __LINUX_SWIOTLB_XEN_H |
2 | #define __LINUX_SWIOTLB_XEN_H | |
3 | ||
6fe19278 | 4 | #include <linux/dma-direction.h> |
b097186f KRW |
5 | #include <linux/swiotlb.h> |
6 | ||
b8277600 | 7 | extern int xen_swiotlb_init(int verbose, bool early); |
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8 | |
9 | extern void | |
10 | *xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size, | |
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11 | dma_addr_t *dma_handle, gfp_t flags, |
12 | struct dma_attrs *attrs); | |
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13 | |
14 | extern void | |
15 | xen_swiotlb_free_coherent(struct device *hwdev, size_t size, | |
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16 | void *vaddr, dma_addr_t dma_handle, |
17 | struct dma_attrs *attrs); | |
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18 | |
19 | extern dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, | |
20 | unsigned long offset, size_t size, | |
21 | enum dma_data_direction dir, | |
22 | struct dma_attrs *attrs); | |
23 | ||
24 | extern void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, | |
25 | size_t size, enum dma_data_direction dir, | |
26 | struct dma_attrs *attrs); | |
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27 | extern int |
28 | xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, | |
29 | int nelems, enum dma_data_direction dir, | |
30 | struct dma_attrs *attrs); | |
31 | ||
32 | extern void | |
33 | xen_swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, | |
34 | int nelems, enum dma_data_direction dir, | |
35 | struct dma_attrs *attrs); | |
36 | ||
37 | extern void | |
38 | xen_swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr, | |
39 | size_t size, enum dma_data_direction dir); | |
40 | ||
41 | extern void | |
42 | xen_swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg, | |
43 | int nelems, enum dma_data_direction dir); | |
44 | ||
45 | extern void | |
46 | xen_swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr, | |
47 | size_t size, enum dma_data_direction dir); | |
48 | ||
49 | extern void | |
50 | xen_swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg, | |
51 | int nelems, enum dma_data_direction dir); | |
52 | ||
53 | extern int | |
54 | xen_swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr); | |
55 | ||
56 | extern int | |
57 | xen_swiotlb_dma_supported(struct device *hwdev, u64 mask); | |
58 | ||
eb1ddc00 SS |
59 | extern int |
60 | xen_swiotlb_set_dma_mask(struct device *dev, u64 dma_mask); | |
b097186f | 61 | #endif /* __LINUX_SWIOTLB_XEN_H */ |