diff --git a/src/core/devices/nm-device.c b/src/core/devices/nm-device.c
index aae3356913..e84317c2f5 100644
--- a/src/core/devices/nm-device.c
+++ b/src/core/devices/nm-device.c
@@ -5115,6 +5115,18 @@ nm_device_get_ip_iface_identifier(NMDevice           *self,
     return NM_DEVICE_GET_CLASS(self)->get_ip_iface_identifier(self, iid);
 }
 
+const char *
+nm_device_get_s390_subchannels(NMDevice *self)
+{
+    NMDeviceClass *klass;
+
+    g_return_val_if_fail(NM_IS_DEVICE(self), NULL);
+
+    klass = NM_DEVICE_GET_CLASS(self);
+
+    return klass->get_s390_subchannels ? klass->get_s390_subchannels(self) : NULL;
+}
+
 const char *
 nm_device_get_driver(NMDevice *self)
 {
diff --git a/src/core/devices/nm-device.h b/src/core/devices/nm-device.h
index 35a8d1cd49..b096d23ac1 100644
--- a/src/core/devices/nm-device.h
+++ b/src/core/devices/nm-device.h
@@ -460,6 +460,7 @@ gboolean     nm_device_is_real(NMDevice *dev);
 const char  *nm_device_get_ip_iface(NMDevice *dev);
 const char  *nm_device_get_ip_iface_from_platform(NMDevice *dev);
 int          nm_device_get_ip_ifindex(const NMDevice *dev);
+const char  *nm_device_get_s390_subchannels(NMDevice *self);
 const char  *nm_device_get_driver(NMDevice *dev);
 const char  *nm_device_get_driver_version(NMDevice *dev);
 const char  *nm_device_get_type_desc(NMDevice *dev);