2010-05-11 22:05:49 +08:00
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#ifndef __LINUX_SWIOTLB_XEN_H
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#define __LINUX_SWIOTLB_XEN_H
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2013-11-05 01:54:27 +08:00
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#include <linux/dma-direction.h>
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2017-02-08 01:58:03 +08:00
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#include <linux/scatterlist.h>
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2010-05-11 22:05:49 +08:00
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#include <linux/swiotlb.h>
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2012-08-24 02:36:15 +08:00
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extern int xen_swiotlb_init(int verbose, bool early);
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2010-05-11 22:05:49 +08:00
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extern void
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*xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size,
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2012-03-27 20:28:18 +08:00
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dma_addr_t *dma_handle, gfp_t flags,
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2016-08-04 04:46:00 +08:00
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unsigned long attrs);
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2010-05-11 22:05:49 +08:00
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extern void
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xen_swiotlb_free_coherent(struct device *hwdev, size_t size,
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2012-03-27 20:28:18 +08:00
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void *vaddr, dma_addr_t dma_handle,
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2016-08-04 04:46:00 +08:00
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unsigned long attrs);
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2010-05-11 22:05:49 +08:00
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extern dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page,
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unsigned long offset, size_t size,
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enum dma_data_direction dir,
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2016-08-04 04:46:00 +08:00
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unsigned long attrs);
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2010-05-11 22:05:49 +08:00
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extern void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
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size_t size, enum dma_data_direction dir,
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2016-08-04 04:46:00 +08:00
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unsigned long attrs);
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2010-05-11 22:05:49 +08:00
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extern int
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xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
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int nelems, enum dma_data_direction dir,
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2016-08-04 04:46:00 +08:00
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unsigned long attrs);
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2010-05-11 22:05:49 +08:00
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extern void
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xen_swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
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int nelems, enum dma_data_direction dir,
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2016-08-04 04:46:00 +08:00
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unsigned long attrs);
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2010-05-11 22:05:49 +08:00
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extern void
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xen_swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
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size_t size, enum dma_data_direction dir);
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extern void
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xen_swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
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int nelems, enum dma_data_direction dir);
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extern void
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xen_swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
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size_t size, enum dma_data_direction dir);
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extern void
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xen_swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
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int nelems, enum dma_data_direction dir);
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extern int
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xen_swiotlb_dma_supported(struct device *hwdev, u64 mask);
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2013-10-10 00:56:33 +08:00
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extern int
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xen_swiotlb_set_dma_mask(struct device *dev, u64 dma_mask);
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2017-02-08 01:58:02 +08:00
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extern int
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xen_swiotlb_dma_mmap(struct device *dev, struct vm_area_struct *vma,
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void *cpu_addr, dma_addr_t dma_addr, size_t size,
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unsigned long attrs);
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2017-02-08 01:58:03 +08:00
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extern int
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xen_swiotlb_get_sgtable(struct device *dev, struct sg_table *sgt,
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void *cpu_addr, dma_addr_t handle, size_t size,
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unsigned long attrs);
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2010-05-11 22:05:49 +08:00
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#endif /* __LINUX_SWIOTLB_XEN_H */
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