diff --git a/sys/dev/ioat/ioat.c b/sys/dev/ioat/ioat.c
index d6385ff1f96c..ea4a99a3ec9b 100644
--- a/sys/dev/ioat/ioat.c
+++ b/sys/dev/ioat/ioat.c
@@ -1024,6 +1024,15 @@ ioat_get_capabilities(bus_dmaengine_t dmaengine)
 	return (ioat->capabilities);
 }
 
+int
+ioat_get_domain(bus_dmaengine_t dmaengine, int *domain)
+{
+	struct ioat_softc *ioat;
+
+	ioat = to_ioat_softc(dmaengine);
+	return (bus_get_domain(ioat->device, domain));
+}
+
 int
 ioat_set_interrupt_coalesce(bus_dmaengine_t dmaengine, uint16_t delay)
 {
diff --git a/sys/dev/ioat/ioat.h b/sys/dev/ioat/ioat.h
index c47261539e68..449e1ec718e3 100644
--- a/sys/dev/ioat/ioat.h
+++ b/sys/dev/ioat/ioat.h
@@ -131,6 +131,7 @@ void ioat_put_dmaengine(bus_dmaengine_t dmaengine);
 int ioat_get_hwversion(bus_dmaengine_t dmaengine);
 size_t ioat_get_max_io_size(bus_dmaengine_t dmaengine);
 uint32_t ioat_get_capabilities(bus_dmaengine_t dmaengine);
+int ioat_get_domain(bus_dmaengine_t dmaengine, int *domain);
 
 /*
  * Set interrupt coalescing on a DMA channel.