+#define kIOKernelHasSafeSleep 1
+
+#define kIOPlatformSleepActionKey "IOPlatformSleepAction" /* value is OSNumber (priority) */
+#define kIOPlatformWakeActionKey "IOPlatformWakeAction" /* value is OSNumber (priority) */
+#define kIOPlatformQuiesceActionKey "IOPlatformQuiesceAction" /* value is OSNumber (priority) */
+#define kIOPlatformActiveActionKey "IOPlatformActiveAction" /* value is OSNumber (priority) */
+#define kIOPlatformHaltRestartActionKey "IOPlatformHaltRestartAction" /* value is OSNumber (priority) */
+#define kIOPlatformPanicActionKey "IOPlatformPanicAction" /* value is OSNumber (priority) */
+
+#define kIOPlatformFunctionHandlerSet "IOPlatformFunctionHandlerSet"
+
+#define kIOPlatformFunctionHandlerMaxBusDelay "IOPlatformFunctionHandlerMaxBusDelay"
+#define kIOPlatformMaxBusDelay "IOPlatformMaxBusDelay"
+
+#if defined(__i386__) || defined(__x86_64__)
+
+#define kIOPlatformFunctionHandlerMaxInterruptDelay "IOPlatformFunctionHandlerMaxInterruptDelay"
+#define kIOPlatformMaxInterruptDelay "IOPlatformMaxInterruptDelay"
+
+#endif /* defined(__i386__) || defined(__x86_64__) */
+
+enum {
+ // these flags are valid for the prepare() method only
+ kIODirectionPrepareNoZeroFill = 0x00000010,
+};
+
+enum {
+ kIOServiceTerminateNeedWillTerminate = 0x00000100,
+};