1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index a0837036d898..b6c2b8f16bee 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -164,6 +164,12 @@ static inline void set_evtchn(int port)
         sync_set_bit(port, &s->evtchn_pending[0]);
 }
 
+static inline int test_evtchn(int port)
+{
+        struct shared_info *s = HYPERVISOR_shared_info;
+        return sync_test_bit(port, &s->evtchn_pending[0]);
+}
+
 
 /**
  * notify_remote_via_irq - send event to remote end of event channel via irq
@@ -732,6 +738,25 @@ void xen_clear_irq_pending(int irq)
                 clear_evtchn(evtchn);
 }
 
+void xen_set_irq_pending(int irq)
+{
+        int evtchn = evtchn_from_irq(irq);
+
+        if (VALID_EVTCHN(evtchn))
+                set_evtchn(evtchn);
+}
+
+bool xen_test_irq_pending(int irq)
+{
+        int evtchn = evtchn_from_irq(irq);
+        bool ret = false;
+
+        if (VALID_EVTCHN(evtchn))
+                ret = test_evtchn(evtchn);
+
+        return ret;
+}
+
 /* Poll waiting for an irq to become pending.  In the usual case, the
    irq will be disabled so it won't deliver an interrupt. */
 void xen_poll_irq(int irq)