xen: add irq_from_evtchn

[firefly-linux-kernel-4.4.55.git] / include / xen / events.h

diff --git a/include/xen/events.h b/include/xen/events.h
index 0d5f1adc0363e9e125cb8786ca96b0917440b6b5..e68d59a90ca88b73c21b431c3cf538165916d5a7 100644 (file)
--- a/include/xen/events.h
+++ b/include/xen/events.h
@@ -53,4 +53,7 @@ bool xen_test_irq_pending(int irq);
    irq will be disabled so it won't deliver an interrupt. */
 void xen_poll_irq(int irq);
 
+/* Determine the IRQ which is bound to an event channel */
+unsigned irq_from_evtchn(unsigned int evtchn);
+
 #endif /* _XEN_EVENTS_H */