APPLE_RTKIT_PWR_STATE_OFF
rtk->iop_power_state = APPLE_RTKIT_PWR_STATE_OFF;
rtk->ap_power_state = APPLE_RTKIT_PWR_STATE_OFF;
ret = apple_rtkit_set_ap_power_state(rtk, APPLE_RTKIT_PWR_STATE_OFF);
ret = apple_rtkit_set_iop_power_state(rtk, APPLE_RTKIT_PWR_STATE_OFF);