Konrad Rzeszutek Wilk | b097186f | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 1 | #ifndef __LINUX_SWIOTLB_XEN_H |
| 2 | #define __LINUX_SWIOTLB_XEN_H |
| 3 | |
Stefano Stabellini | 6fe1927 | 2013-11-04 17:54:27 +0000 | [diff] [blame] | 4 | #include <linux/dma-direction.h> |
Andrii Anisov | 69369f5 | 2017-02-07 19:58:03 +0200 | [diff] [blame] | 5 | #include <linux/scatterlist.h> |
Konrad Rzeszutek Wilk | b097186f | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 6 | #include <linux/swiotlb.h> |
| 7 | |
Konrad Rzeszutek Wilk | b827760 | 2012-08-23 14:36:15 -0400 | [diff] [blame] | 8 | extern int xen_swiotlb_init(int verbose, bool early); |
Konrad Rzeszutek Wilk | b097186f | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 9 | |
| 10 | extern void |
| 11 | *xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size, |
Andrzej Pietrasiewicz | baa676f | 2012-03-27 14:28:18 +0200 | [diff] [blame] | 12 | dma_addr_t *dma_handle, gfp_t flags, |
Krzysztof Kozlowski | 00085f1 | 2016-08-03 13:46:00 -0700 | [diff] [blame] | 13 | unsigned long attrs); |
Konrad Rzeszutek Wilk | b097186f | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 14 | |
| 15 | extern void |
| 16 | xen_swiotlb_free_coherent(struct device *hwdev, size_t size, |
Andrzej Pietrasiewicz | baa676f | 2012-03-27 14:28:18 +0200 | [diff] [blame] | 17 | void *vaddr, dma_addr_t dma_handle, |
Krzysztof Kozlowski | 00085f1 | 2016-08-03 13:46:00 -0700 | [diff] [blame] | 18 | unsigned long attrs); |
Konrad Rzeszutek Wilk | b097186f | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 19 | |
| 20 | extern dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, |
| 21 | unsigned long offset, size_t size, |
| 22 | enum dma_data_direction dir, |
Krzysztof Kozlowski | 00085f1 | 2016-08-03 13:46:00 -0700 | [diff] [blame] | 23 | unsigned long attrs); |
Konrad Rzeszutek Wilk | b097186f | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 24 | |
| 25 | extern void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, |
| 26 | size_t size, enum dma_data_direction dir, |
Krzysztof Kozlowski | 00085f1 | 2016-08-03 13:46:00 -0700 | [diff] [blame] | 27 | unsigned long attrs); |
Konrad Rzeszutek Wilk | b097186f | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 28 | extern int |
| 29 | xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, |
| 30 | int nelems, enum dma_data_direction dir, |
Krzysztof Kozlowski | 00085f1 | 2016-08-03 13:46:00 -0700 | [diff] [blame] | 31 | unsigned long attrs); |
Konrad Rzeszutek Wilk | b097186f | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 32 | |
| 33 | extern void |
| 34 | xen_swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, |
| 35 | int nelems, enum dma_data_direction dir, |
Krzysztof Kozlowski | 00085f1 | 2016-08-03 13:46:00 -0700 | [diff] [blame] | 36 | unsigned long attrs); |
Konrad Rzeszutek Wilk | b097186f | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 37 | |
| 38 | extern void |
| 39 | xen_swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr, |
| 40 | size_t size, enum dma_data_direction dir); |
| 41 | |
| 42 | extern void |
| 43 | xen_swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg, |
| 44 | int nelems, enum dma_data_direction dir); |
| 45 | |
| 46 | extern void |
| 47 | xen_swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr, |
| 48 | size_t size, enum dma_data_direction dir); |
| 49 | |
| 50 | extern void |
| 51 | xen_swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg, |
| 52 | int nelems, enum dma_data_direction dir); |
| 53 | |
| 54 | extern int |
Konrad Rzeszutek Wilk | b097186f | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 55 | xen_swiotlb_dma_supported(struct device *hwdev, u64 mask); |
| 56 | |
Stefano Stabellini | eb1ddc0 | 2013-10-09 16:56:33 +0000 | [diff] [blame] | 57 | extern int |
| 58 | xen_swiotlb_set_dma_mask(struct device *dev, u64 dma_mask); |
Stefano Stabellini | 7e91c7d | 2017-02-07 19:58:02 +0200 | [diff] [blame] | 59 | |
| 60 | extern int |
| 61 | xen_swiotlb_dma_mmap(struct device *dev, struct vm_area_struct *vma, |
| 62 | void *cpu_addr, dma_addr_t dma_addr, size_t size, |
| 63 | unsigned long attrs); |
Andrii Anisov | 69369f5 | 2017-02-07 19:58:03 +0200 | [diff] [blame] | 64 | |
| 65 | extern int |
| 66 | xen_swiotlb_get_sgtable(struct device *dev, struct sg_table *sgt, |
| 67 | void *cpu_addr, dma_addr_t handle, size_t size, |
| 68 | unsigned long attrs); |
Konrad Rzeszutek Wilk | b097186f | 2010-05-11 10:05:49 -0400 | [diff] [blame] | 69 | #endif /* __LINUX_SWIOTLB_XEN_H */ |