arch/ia64/dig/dig_vtd_iommu.c

   1 #include <linux/types.h>
   2 #include <linux/kernel.h>
   3 #include <linux/module.h>
   4 #include <linux/intel-iommu.h>
   5
   6 void *
   7 vtd_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
   8                  gfp_t flags)
   9 {
  10         return intel_alloc_coherent(dev, size, dma_handle, flags);
  11 }
  12 EXPORT_SYMBOL_GPL(vtd_alloc_coherent);
  13
  14 void
  15 vtd_free_coherent(struct device *dev, size_t size, void *vaddr,
  16                  dma_addr_t dma_handle)
  17 {
  18         intel_free_coherent(dev, size, vaddr, dma_handle);
  19 }
  20 EXPORT_SYMBOL_GPL(vtd_free_coherent);
  21
  22 dma_addr_t
  23 vtd_map_single_attrs(struct device *dev, void *addr, size_t size,
  24                      int dir, struct dma_attrs *attrs)
  25 {
  26         return intel_map_single(dev, (phys_addr_t)addr, size, dir);
  27 }
  28 EXPORT_SYMBOL_GPL(vtd_map_single_attrs);
  29
  30 void
  31 vtd_unmap_single_attrs(struct device *dev, dma_addr_t iova, size_t size,
  32                        int dir, struct dma_attrs *attrs)
  33 {
  34         intel_unmap_single(dev, iova, size, dir);
  35 }
  36 EXPORT_SYMBOL_GPL(vtd_unmap_single_attrs);
  37
  38 int
  39 vtd_map_sg_attrs(struct device *dev, struct scatterlist *sglist, int nents,
  40                  int dir, struct dma_attrs *attrs)
  41 {
  42         return intel_map_sg(dev, sglist, nents, dir);
  43 }
  44 EXPORT_SYMBOL_GPL(vtd_map_sg_attrs);
  45
  46 void
  47 vtd_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist,
  48                    int nents, int dir, struct dma_attrs *attrs)
  49 {
  50         intel_unmap_sg(dev, sglist, nents, dir);
  51 }
  52 EXPORT_SYMBOL_GPL(vtd_unmap_sg_attrs);
  53
  54 int
  55 vtd_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
  56 {
  57         return 0;
  58 }
  59 EXPORT_SYMBOL_GPL(vtd_dma_mapping_error);