+
+int iommu_domain_window_enable(struct iommu_domain *domain, u32 wnd_nr,
+ phys_addr_t paddr, u64 size)
+{
+ if (unlikely(domain->ops->domain_window_enable == NULL))
+ return -ENODEV;
+
+ return domain->ops->domain_window_enable(domain, wnd_nr, paddr, size);
+}
+EXPORT_SYMBOL_GPL(iommu_domain_window_enable);
+
+void iommu_domain_window_disable(struct iommu_domain *domain, u32 wnd_nr)
+{
+ if (unlikely(domain->ops->domain_window_disable == NULL))
+ return;
+
+ return domain->ops->domain_window_disable(domain, wnd_nr);
+}
+EXPORT_SYMBOL_GPL(iommu_domain_window_disable);
+