diff --git a/arch/x86/xen/pci-swiotlb-xen.c b/arch/x86/xen/pci-swiotlb-xen.c
index 0e98e5d..84a9285 100644
--- a/arch/x86/xen/pci-swiotlb-xen.c
+++ b/arch/x86/xen/pci-swiotlb-xen.c
@@ -30,6 +30,9 @@ static struct dma_map_ops xen_swiotlb_dma_ops = {
 	.unmap_sg = xen_swiotlb_unmap_sg_attrs,
 	.map_page = xen_swiotlb_map_page,
 	.unmap_page = xen_swiotlb_unmap_page,
+#ifdef CONFIG_HAS_DMA_P2P
+	.map_peer_resource = xen_swiotlb_map_peer_resource,
+#endif
 	.dma_supported = xen_swiotlb_dma_supported,
 };