iommu: Add function to query the default domain of a group

[cascardo/linux.git] / drivers / iommu / iommu.c

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index ffad1ea..224c6dd 100644 (file)
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -837,6 +837,11 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev)
        return group;
 }
 
+struct iommu_domain *iommu_group_default_domain(struct iommu_group *group)
+{
+       return group->default_domain;
+}
+
 static int add_iommu_group(struct device *dev, void *data)
 {
        struct iommu_callback_data *cb = data;