--- a/master/ioctl.h	Mon Dec 14 13:11:36 2009 +0100
+++ b/master/ioctl.h	Mon Dec 14 13:25:50 2009 +0100
@@ -123,6 +123,7 @@
 #define EC_IOCTL_VOE_WRITE            EC_IOWR(0x3f, ec_ioctl_voe_t)
 #define EC_IOCTL_VOE_EXEC             EC_IOWR(0x40, ec_ioctl_voe_t)
 #define EC_IOCTL_VOE_DATA             EC_IOWR(0x41, ec_ioctl_voe_t)
+#define EC_IOCTL_SET_MAX_CYCLE_SIZE    EC_IOW(0x42, size_t)
 
 /*****************************************************************************/