| 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, |
| 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 */ |