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author | Michal Marek <mmarek@suse.cz> | 2010-10-12 15:09:06 +0200 |
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committer | Michal Marek <mmarek@suse.cz> | 2010-10-12 15:09:06 +0200 |
commit | 239060b93bb30a4ad55f1ecaa512464a035cc5ba (patch) | |
tree | 77f79810e57d4fc24356eca0cd6db463e8994128 /include/xen/swiotlb-xen.h | |
parent | kconfig: Use PATH_MAX instead of 128 for path buffer sizes. (diff) | |
parent | kbuild: fix oldnoconfig to do the right thing (diff) | |
download | linux-dev-239060b93bb30a4ad55f1ecaa512464a035cc5ba.tar.xz linux-dev-239060b93bb30a4ad55f1ecaa512464a035cc5ba.zip |
Merge branch 'kbuild/rc-fixes' into kbuild/kconfig
We need to revert the temporary hack in 71ebc01, hence the merge.
Diffstat (limited to 'include/xen/swiotlb-xen.h')
-rw-r--r-- | include/xen/swiotlb-xen.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h new file mode 100644 index 000000000000..2ea2fdc79c16 --- /dev/null +++ b/include/xen/swiotlb-xen.h @@ -0,0 +1,65 @@ +#ifndef __LINUX_SWIOTLB_XEN_H +#define __LINUX_SWIOTLB_XEN_H + +#include <linux/swiotlb.h> + +extern void xen_swiotlb_init(int verbose); + +extern void +*xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size, + dma_addr_t *dma_handle, gfp_t flags); + +extern void +xen_swiotlb_free_coherent(struct device *hwdev, size_t size, + void *vaddr, dma_addr_t dma_handle); + +extern dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction dir, + struct dma_attrs *attrs); + +extern void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, + size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs); +/* +extern int +xen_swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, + enum dma_data_direction dir); + +extern void +xen_swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents, + enum dma_data_direction dir); +*/ +extern int +xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, + int nelems, enum dma_data_direction dir, + struct dma_attrs *attrs); + +extern void +xen_swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, + int nelems, enum dma_data_direction dir, + struct dma_attrs *attrs); + +extern void +xen_swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr, + size_t size, enum dma_data_direction dir); + +extern void +xen_swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg, + int nelems, enum dma_data_direction dir); + +extern void +xen_swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr, + size_t size, enum dma_data_direction dir); + +extern void +xen_swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg, + int nelems, enum dma_data_direction dir); + +extern int +xen_swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr); + +extern int +xen_swiotlb_dma_supported(struct device *hwdev, u64 mask); + +#endif /* __LINUX_SWIOTLB_XEN_H */ |