98c382bca9
This is for IA64_DIG_VTD. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/dma-mapping.h>
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#include <linux/intel-iommu.h>
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void *
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vtd_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
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gfp_t flags)
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{
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return intel_alloc_coherent(dev, size, dma_handle, flags);
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}
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EXPORT_SYMBOL_GPL(vtd_alloc_coherent);
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void
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vtd_free_coherent(struct device *dev, size_t size, void *vaddr,
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dma_addr_t dma_handle)
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{
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intel_free_coherent(dev, size, vaddr, dma_handle);
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}
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EXPORT_SYMBOL_GPL(vtd_free_coherent);
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dma_addr_t
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vtd_map_single_attrs(struct device *dev, void *addr, size_t size,
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int dir, struct dma_attrs *attrs)
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{
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return intel_map_single(dev, (phys_addr_t)addr, size, dir);
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}
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EXPORT_SYMBOL_GPL(vtd_map_single_attrs);
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void
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vtd_unmap_single_attrs(struct device *dev, dma_addr_t iova, size_t size,
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int dir, struct dma_attrs *attrs)
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{
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intel_unmap_single(dev, iova, size, dir);
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}
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EXPORT_SYMBOL_GPL(vtd_unmap_single_attrs);
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int
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vtd_map_sg_attrs(struct device *dev, struct scatterlist *sglist, int nents,
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int dir, struct dma_attrs *attrs)
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{
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return intel_map_sg(dev, sglist, nents, dir);
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}
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EXPORT_SYMBOL_GPL(vtd_map_sg_attrs);
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void
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vtd_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist,
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int nents, int dir, struct dma_attrs *attrs)
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{
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intel_unmap_sg(dev, sglist, nents, dir);
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}
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EXPORT_SYMBOL_GPL(vtd_unmap_sg_attrs);
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int
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vtd_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
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{
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return 0;
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}
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EXPORT_SYMBOL_GPL(vtd_dma_mapping_error);
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extern int iommu_dma_supported(struct device *dev, u64 mask);
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struct dma_mapping_ops vtd_dma_ops = {
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.alloc_coherent = vtd_alloc_coherent,
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.free_coherent = vtd_free_coherent,
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.map_single_attrs = vtd_map_single_attrs,
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.unmap_single_attrs = vtd_unmap_single_attrs,
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.map_sg_attrs = vtd_map_sg_attrs,
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.unmap_sg_attrs = vtd_unmap_sg_attrs,
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.sync_single_for_cpu = machvec_dma_sync_single,
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.sync_sg_for_cpu = machvec_dma_sync_sg,
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.sync_single_for_device = machvec_dma_sync_single,
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.sync_sg_for_device = machvec_dma_sync_sg,
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.dma_supported_op = iommu_dma_supported,
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.mapping_error = vtd_dma_mapping_error,
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};
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