--- src/sys/kern/bus_if.m	2004/02/21 06:37:08	1.5
+++ src/sys/kern/bus_if.m	2005/05/23 18:19:54	1.6
@@ -202,6 +202,24 @@ METHOD int teardown_intr {
 	void		*cookie;
 };
 
+# Enable or disable an interrupt.  The device is generally expected to do
+# the physical enablement and disablement.  The bus code must flag the
+# condition so it does not call the handler from a scheduled interrupt thread,
+# since the hard interrupt might be disabled after the interrupt thread
+# has been scheduled but before it runs.
+#
+METHOD void enable_intr {
+	device_t	dev;
+	device_t	child;
+	void		*cookie;
+} DEFAULT bus_generic_enable_intr;
+
+METHOD void disable_intr {
+	device_t	dev;
+	device_t	child;
+	void		*cookie;
+} DEFAULT bus_generic_disable_intr;
+
 #
 # Set the range used for a particular resource. Return EINVAL if
 # the type or rid are out of range.