diff --git a/sys/dev/ntb/ntb.c b/sys/dev/ntb/ntb.c
index 3f5d9bbb2db0..ca71e99de190 100644
--- a/sys/dev/ntb/ntb.c
+++ b/sys/dev/ntb/ntb.c
@@ -205,6 +205,13 @@ ntb_print_child(device_t dev, device_t child)
 	return (retval);
 }
 
+bus_dma_tag_t
+ntb_get_dma_tag(device_t bus, device_t child)
+{
+
+	return (bus_get_dma_tag(bus));
+}
+
 void
 ntb_link_event(device_t dev)
 {
diff --git a/sys/dev/ntb/ntb.h b/sys/dev/ntb/ntb.h
index 3ca76c994d22..3c31d48276b6 100644
--- a/sys/dev/ntb/ntb.h
+++ b/sys/dev/ntb/ntb.h
@@ -39,6 +39,7 @@ int ntb_unregister_device(device_t ntb);
 int ntb_child_location_str(device_t dev, device_t child, char *buf,
     size_t buflen);
 int ntb_print_child(device_t dev, device_t child);
+bus_dma_tag_t ntb_get_dma_tag(device_t bus, device_t child);
 
 /*
  * ntb_link_event() - notify driver context of a change in link status
diff --git a/sys/dev/ntb/ntb_hw/ntb_hw_amd.c b/sys/dev/ntb/ntb_hw/ntb_hw_amd.c
index e64d119e6be2..43f135576a3c 100644
--- a/sys/dev/ntb/ntb_hw/ntb_hw_amd.c
+++ b/sys/dev/ntb/ntb_hw/ntb_hw_amd.c
@@ -1266,6 +1266,7 @@ static device_method_t ntb_amd_methods[] = {
 	/* Bus interface */
 	DEVMETHOD(bus_child_location_str, ntb_child_location_str),
 	DEVMETHOD(bus_print_child,	ntb_print_child),
+	DEVMETHOD(bus_get_dma_tag,	ntb_get_dma_tag),
 
 	/* NTB interface */
 	DEVMETHOD(ntb_port_number,	amd_ntb_port_number),
diff --git a/sys/dev/ntb/ntb_hw/ntb_hw_intel.c b/sys/dev/ntb/ntb_hw/ntb_hw_intel.c
index 26207938fda1..a0e95c861a25 100644
--- a/sys/dev/ntb/ntb_hw/ntb_hw_intel.c
+++ b/sys/dev/ntb/ntb_hw/ntb_hw_intel.c
@@ -3124,6 +3124,7 @@ static device_method_t ntb_intel_methods[] = {
 	/* Bus interface */
 	DEVMETHOD(bus_child_location_str, ntb_child_location_str),
 	DEVMETHOD(bus_print_child,	ntb_print_child),
+	DEVMETHOD(bus_get_dma_tag,	ntb_get_dma_tag),
 	/* NTB interface */
 	DEVMETHOD(ntb_port_number,	intel_ntb_port_number),
 	DEVMETHOD(ntb_peer_port_count,	intel_ntb_peer_port_count),
diff --git a/sys/dev/ntb/ntb_hw/ntb_hw_plx.c b/sys/dev/ntb/ntb_hw/ntb_hw_plx.c
index a1459da6ce22..5872d0d5e656 100644
--- a/sys/dev/ntb/ntb_hw/ntb_hw_plx.c
+++ b/sys/dev/ntb/ntb_hw/ntb_hw_plx.c
@@ -1046,6 +1046,7 @@ static device_method_t ntb_plx_methods[] = {
 	/* Bus interface */
 	DEVMETHOD(bus_child_location_str, ntb_child_location_str),
 	DEVMETHOD(bus_print_child,	ntb_print_child),
+	DEVMETHOD(bus_get_dma_tag,	ntb_get_dma_tag),
 	/* NTB interface */
 	DEVMETHOD(ntb_port_number,	ntb_plx_port_number),
 	DEVMETHOD(ntb_peer_port_count,	ntb_plx_peer_port_count),