Bitfield('status', 1,
                 Bitfield.Bit('controller_firmware_corrupted', 1, 0),
                 Bitfield.Bit('controller_bootblock_corrupted', 1, 0),
                 Bitfield.Bit('internal_use_area_corrupted', 1, 0),
                 Bitfield.Bit('sdr_repository_empty', 1, 0),