diff --git a/[refs] b/[refs]
index 4bd24dc9b7d6..6b3e259d9642 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 06d0b5d9edcecccab45588a472cd34af2608e665
+refs/heads/master: cc31fd9c4f8fc466ec8488d617150e751f643903
diff --git a/trunk/include/xen/interface/event_channel.h b/trunk/include/xen/interface/event_channel.h
index 2090881c3650..f4942921e202 100644
--- a/trunk/include/xen/interface/event_channel.h
+++ b/trunk/include/xen/interface/event_channel.h
@@ -177,6 +177,19 @@ struct evtchn_unmask {
 	evtchn_port_t port;
 };
 
+/*
+ * EVTCHNOP_reset: Close all event channels associated with specified domain.
+ * NOTES:
+ *  1. <dom> may be specified as DOMID_SELF.
+ *  2. Only a sufficiently-privileged domain may specify other than DOMID_SELF.
+ */
+#define EVTCHNOP_reset		 10
+struct evtchn_reset {
+	/* IN parameters. */
+	domid_t dom;
+};
+typedef struct evtchn_reset evtchn_reset_t;
+
 struct evtchn_op {
 	uint32_t cmd; /* EVTCHNOP_* */
 	union {