+enum {
+ // these flags are valid for the prepare() method only
+ kIODirectionPrepareNoZeroFill = 0x00000010,
+};
+
+enum {
+ kIOServiceTerminateNeedWillTerminate = 0x00000100,
+};
+
+#define kIOClassNameOverrideKey "IOClassNameOverride"
+
+enum {
+ kIOClassNameOverrideNone = 0x00000001,
+};
+
+#define kIOServiceLegacyMatchingRegistryIDKey "IOServiceLegacyMatchingRegistryID"