| Konrad Rzeszutek Wilk | b097186 | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 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, | 
| Andrzej Pietrasiewicz | baa676f | 2012-03-27 14:28:18 +0200 | [diff] [blame] | 10 | dma_addr_t *dma_handle, gfp_t flags, | 
|  | 11 | struct dma_attrs *attrs); | 
| Konrad Rzeszutek Wilk | b097186 | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 12 |  | 
|  | 13 | extern void | 
|  | 14 | xen_swiotlb_free_coherent(struct device *hwdev, size_t size, | 
| Andrzej Pietrasiewicz | baa676f | 2012-03-27 14:28:18 +0200 | [diff] [blame] | 15 | void *vaddr, dma_addr_t dma_handle, | 
|  | 16 | struct dma_attrs *attrs); | 
| Konrad Rzeszutek Wilk | b097186 | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 17 |  | 
|  | 18 | extern dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, | 
|  | 19 | unsigned long offset, size_t size, | 
|  | 20 | enum dma_data_direction dir, | 
|  | 21 | struct dma_attrs *attrs); | 
|  | 22 |  | 
|  | 23 | extern void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, | 
|  | 24 | size_t size, enum dma_data_direction dir, | 
|  | 25 | struct dma_attrs *attrs); | 
|  | 26 | /* | 
|  | 27 | extern int | 
|  | 28 | xen_swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, | 
|  | 29 | enum dma_data_direction dir); | 
|  | 30 |  | 
|  | 31 | extern void | 
|  | 32 | xen_swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents, | 
|  | 33 | enum dma_data_direction dir); | 
|  | 34 | */ | 
|  | 35 | extern int | 
|  | 36 | xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, | 
|  | 37 | int nelems, enum dma_data_direction dir, | 
|  | 38 | struct dma_attrs *attrs); | 
|  | 39 |  | 
|  | 40 | extern void | 
|  | 41 | xen_swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, | 
|  | 42 | int nelems, enum dma_data_direction dir, | 
|  | 43 | struct dma_attrs *attrs); | 
|  | 44 |  | 
|  | 45 | extern void | 
|  | 46 | xen_swiotlb_sync_single_for_cpu(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_cpu(struct device *hwdev, struct scatterlist *sg, | 
|  | 51 | int nelems, enum dma_data_direction dir); | 
|  | 52 |  | 
|  | 53 | extern void | 
|  | 54 | xen_swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr, | 
|  | 55 | size_t size, enum dma_data_direction dir); | 
|  | 56 |  | 
|  | 57 | extern void | 
|  | 58 | xen_swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg, | 
|  | 59 | int nelems, enum dma_data_direction dir); | 
|  | 60 |  | 
|  | 61 | extern int | 
|  | 62 | xen_swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr); | 
|  | 63 |  | 
|  | 64 | extern int | 
|  | 65 | xen_swiotlb_dma_supported(struct device *hwdev, u64 mask); | 
|  | 66 |  | 
|  | 67 | #endif /* __LINUX_SWIOTLB_XEN_H */ |