add dma_mapping_ops for intel-iommu
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>
diff --git a/arch/ia64/dig/dig_vtd_iommu.c b/arch/ia64/dig/dig_vtd_iommu.c
index 1c8a079..fdb8ba9 100644
--- a/arch/ia64/dig/dig_vtd_iommu.c
+++ b/arch/ia64/dig/dig_vtd_iommu.c
@@ -1,6 +1,7 @@
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/dma-mapping.h>
#include <linux/intel-iommu.h>
void *
@@ -57,3 +58,20 @@
return 0;
}
EXPORT_SYMBOL_GPL(vtd_dma_mapping_error);
+
+extern int iommu_dma_supported(struct device *dev, u64 mask);
+
+struct dma_mapping_ops vtd_dma_ops = {
+ .alloc_coherent = vtd_alloc_coherent,
+ .free_coherent = vtd_free_coherent,
+ .map_single_attrs = vtd_map_single_attrs,
+ .unmap_single_attrs = vtd_unmap_single_attrs,
+ .map_sg_attrs = vtd_map_sg_attrs,
+ .unmap_sg_attrs = vtd_unmap_sg_attrs,
+ .sync_single_for_cpu = machvec_dma_sync_single,
+ .sync_sg_for_cpu = machvec_dma_sync_sg,
+ .sync_single_for_device = machvec_dma_sync_single,
+ .sync_sg_for_device = machvec_dma_sync_sg,
+ .dma_supported_op = iommu_dma_supported,
+ .mapping_error = vtd_dma_mapping_error,
+};