1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 0e928acd7dcf..ddbdacad7768 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -862,3 +862,36 @@ static int __init iommu_init(void)
 	return 0;
 }
 subsys_initcall(iommu_init);
+
+int iommu_domain_get_attr(struct iommu_domain *domain,
+			  enum iommu_attr attr, void *data)
+{
+	struct iommu_domain_geometry *geometry;
+	int ret = 0;
+
+	switch (attr) {
+	case DOMAIN_ATTR_GEOMETRY:
+		geometry  = data;
+		*geometry = domain->geometry;
+
+		break;
+	default:
+		if (!domain->ops->domain_get_attr)
+			return -EINVAL;
+
+		ret = domain->ops->domain_get_attr(domain, attr, data);
+	}
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(iommu_domain_get_attr);
+
+int iommu_domain_set_attr(struct iommu_domain *domain,
+			  enum iommu_attr attr, void *data)
+{
+	if (!domain->ops->domain_set_attr)
+		return -EINVAL;
+
+	return domain->ops->domain_set_attr(domain, attr, data);
+}
+EXPORT_SYMBOL_GPL(iommu_domain_set_attr);