projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b097186f KRW |
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, | |
| baa676fc AP |
10 | dma_addr_t *dma_handle, gfp_t flags, |
| 11 | struct dma_attrs *attrs); | |
| b097186f KRW |
12 | |
| 13 | extern void | |
| 14 | xen_swiotlb_free_coherent(struct device *hwdev, size_t size, | |
| baa676fc AP |
15 | void *vaddr, dma_addr_t dma_handle, |
| 16 | struct dma_attrs *attrs); | |
| b097186f KRW |
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 */ |