1 files changed, 3 insertions, 0 deletions
diff --git a/pcilib/event.h b/pcilib/event.h
index 93f659c..7ab3aae 100644
--- a/pcilib/event.h
+++ b/pcilib/event.h
@@ -2,6 +2,9 @@
 #define _PCILIB_EVENT_H
 
 #include <pcilib.h>
+#include <pcilib/dma.h>
+
+#define PCILIB_EVENT_INTERFACE_VERSION 0
 
 typedef struct {
     size_t max_events;