diff --git a/include/devenum.idl b/include/devenum.idl
index f7eaf9a4a59..2afe365bd5e 100644
--- a/include/devenum.idl
+++ b/include/devenum.idl
@@ -27,6 +27,12 @@ cpp_quote("#define CDEF_BYPASS_CLASS_MANAGER 0x0002")
 cpp_quote("#define CDEF_CLASS_LEGACY  0x0004")
 cpp_quote("#define CDEF_MERIT_ABOVE_DO_NOT_USE 0x0008")
 
+cpp_quote("#define CDEF_DEVMON_CMGR_DEVICE 0x0010")
+cpp_quote("#define CDEF_DEVMON_DMO 0x0020")
+cpp_quote("#define CDEF_DEVMON_PNP_DEVICE 0x0040")
+cpp_quote("#define CDEF_DEVMON_FILTER 0x0080")
+cpp_quote("#define CDEF_DEVMON_SELECTIVE_MASK 0x00f0")
+
 [
     object,
     uuid(29840822-5B84-11D0-BD3B-00A0C911CE86),