Bitfields for HP Vectra V_HPHIL driver state:
Bit(s)	Description	)
 0	link configuration in progress
 1	reserved
 2	no devices attached
 3	general failure
 4,5	reserved
 6	HP-HIL driver open
 7	reserved
 8	link has been reconfigured
 9	error during output request
 10	reserved
 11	output request complete
 12	timeout
 13-15	reserved