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61 lines
1.9 KiB
61 lines
1.9 KiB
#ifndef __LINUX_SWIOTLB_XEN_H |
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#define __LINUX_SWIOTLB_XEN_H |
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#include <linux/dma-direction.h> |
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#include <linux/swiotlb.h> |
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extern int xen_swiotlb_init(int verbose, bool early); |
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extern void |
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*xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size, |
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dma_addr_t *dma_handle, gfp_t flags, |
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unsigned long attrs); |
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extern void |
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xen_swiotlb_free_coherent(struct device *hwdev, size_t size, |
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void *vaddr, dma_addr_t dma_handle, |
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unsigned long attrs); |
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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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unsigned long attrs); |
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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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unsigned long attrs); |
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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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unsigned long attrs); |
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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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unsigned long attrs); |
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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_mapping_error(struct device *hwdev, dma_addr_t dma_addr); |
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extern int |
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xen_swiotlb_dma_supported(struct device *hwdev, u64 mask); |
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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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#endif /* __LINUX_SWIOTLB_XEN_H */
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