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authorIan Campbell <ian.campbell@citrix.com>2009-02-06 19:20:31 -0800
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-03-30 09:26:49 -0700
commitd4c045364d3107603187f21a56ec231e74d26441 (patch)
treeb182dcd46168c14f4a97f5c891b8ea1fe51008d1 /include/xen
parent6d02c42698f99eccb290ac53d4f10ca883b9f90c (diff)
xen: add irq_from_evtchn
Given an evtchn, return the corresponding irq. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'include/xen')
-rw-r--r--include/xen/events.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/xen/events.h b/include/xen/events.h
index 0d5f1adc036..e68d59a90ca 100644
--- 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 */