## Storage Device Driver Reference

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### Optical IOCtl Test Grammar Function Calls

The following is a list of Optical IOCtl Test Grammar Function Calls:

DASD_OPEN
DASD_CLOSE
LOCK_LOGICAL
UNLOCK_LOGICAL
QUERY_LOCK
GET_LOGICAL_PARAMS
BLOCK_REMOVABLE
REDETERMINE_MEDIA
READ_LOGICAL
WRITE_LOGICAL
VERIFY_LOGICAL
FORMAT_TRACK
BEGIN_FORMAT
LOCK_DOOR
UNLOCK_DOOR
EJECT_MEDIA
QUERY_SUPPORT
SCSI_INQUIRY
SCSI_MODE_SENSE
READ_FILE
WRITE_FILE
SET_DEVICEPARAMS
CHECKRETURN
CHECKVALUE