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git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - include/xen/swiotlb-xen.h
1 #ifndef __LINUX_SWIOTLB_XEN_H
2 #define __LINUX_SWIOTLB_XEN_H
4 #include <linux/dma-direction.h>
5 #include <linux/swiotlb.h>
7 extern int xen_swiotlb_init(int verbose
, bool early
);
10 *xen_swiotlb_alloc_coherent(struct device
*hwdev
, size_t size
,
11 dma_addr_t
*dma_handle
, gfp_t flags
,
12 struct dma_attrs
*attrs
);
15 xen_swiotlb_free_coherent(struct device
*hwdev
, size_t size
,
16 void *vaddr
, dma_addr_t dma_handle
,
17 struct dma_attrs
*attrs
);
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
);
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
);
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
);
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
);
38 xen_swiotlb_sync_single_for_cpu(struct device
*hwdev
, dma_addr_t dev_addr
,
39 size_t size
, enum dma_data_direction dir
);
42 xen_swiotlb_sync_sg_for_cpu(struct device
*hwdev
, struct scatterlist
*sg
,
43 int nelems
, enum dma_data_direction dir
);
46 xen_swiotlb_sync_single_for_device(struct device
*hwdev
, dma_addr_t dev_addr
,
47 size_t size
, enum dma_data_direction dir
);
50 xen_swiotlb_sync_sg_for_device(struct device
*hwdev
, struct scatterlist
*sg
,
51 int nelems
, enum dma_data_direction dir
);
54 xen_swiotlb_dma_mapping_error(struct device
*hwdev
, dma_addr_t dma_addr
);
57 xen_swiotlb_dma_supported(struct device
*hwdev
, u64 mask
);
60 xen_swiotlb_set_dma_mask(struct device
*dev
, u64 dma_mask
);
61 #endif /* __LINUX_SWIOTLB_XEN_H */