sensor.xml
	ambient_sensor
	altitude_sensor
	apss_sensors
	power_capp
	occ	
	
fan.xml
	fan
	
chassis_control.xml
	chassis_control

button.xml
	power_button
	identify_button

led_control.xml
	identify_led
	fault_led
	power_led

watchdog.xml
	bmc_watchdog
	host_watchdog

psu.xml
	psu

ipmi.xml
	ipmid

parameter.xml
	parameter_database
	
flash.xml
	bmc_flash
	bios_flash
	cpld_flash


(no interface)
	fan_control (uses fan and sensors)