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@@ -19,4 +19,32 @@ static inline void xen_free_coherent_pages(struct device *hwdev, size_t size,
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__generic_dma_ops(hwdev)->free(hwdev, size, cpu_addr, dma_handle, attrs);
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}
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+static inline void xen_dma_map_page(struct device *hwdev, struct page *page,
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+ unsigned long offset, size_t size, enum dma_data_direction dir,
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+ struct dma_attrs *attrs)
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+{
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+ __generic_dma_ops(hwdev)->map_page(hwdev, page, offset, size, dir, attrs);
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+}
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+
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+static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,
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+ size_t size, enum dma_data_direction dir,
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+ struct dma_attrs *attrs)
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+{
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+ if (__generic_dma_ops(hwdev)->unmap_page)
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+ __generic_dma_ops(hwdev)->unmap_page(hwdev, handle, size, dir, attrs);
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+}
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+
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+static inline void xen_dma_sync_single_for_cpu(struct device *hwdev,
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+ dma_addr_t handle, size_t size, enum dma_data_direction dir)
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+{
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+ if (__generic_dma_ops(hwdev)->sync_single_for_cpu)
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+ __generic_dma_ops(hwdev)->sync_single_for_cpu(hwdev, handle, size, dir);
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+}
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+
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+static inline void xen_dma_sync_single_for_device(struct device *hwdev,
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+ dma_addr_t handle, size_t size, enum dma_data_direction dir)
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+{
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+ if (__generic_dma_ops(hwdev)->sync_single_for_device)
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+ __generic_dma_ops(hwdev)->sync_single_for_device(hwdev, handle, size, dir);
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+}
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#endif /* _ASM_ARM_XEN_PAGE_COHERENT_H */
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