The IOCC_UNIT_STATUS CommandCode consists of all the CommandModifiers responsible for returning a unit's current status. The following table describes these CommandModifiers:
旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿎ommandModifier 쿏escription � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿔OCM_GET_UNIT_STATUS 쿝eturns flags indicating the � � 퀅nit's current Ready, Power � � �On, and Defective status. For� � 쿞CSI devices, if a SCSI Target� � 쿶s detected, the driver must � � 쿶ssue a SCSI Test Unit Ready � � 쿬ommand to obtain the current � � 퀅nit status. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿔OCM_GET_CHANGELINE_STATE 쿝eturns the unit's current � � 쿬hangeline state. This � � 쿬ommand is mandatory for � � 퀂tandard diskette devices. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿔OCM_GET_MEDIA_SENSE 쿝eturns the unit's current � � 쿺edia storage capacity. This � � 쿬ommand is mandatory for � � 퀂tandard diskette devices. � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿔OCM_GET_LOCK_STATUS 쿝eturns media sense � � 쿶nformation This command is � � 쿺andatory for standard � � 쿭iskette devices. � 읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�
Remarks
Support:
Format of IORB
IORB_UNIT_STATUS Description
This section defines the IORB_UNIT_STATUS control block.
IORB_UNIT_STATUS
旼컴컴컴컴컴컴컴컴쩡컴컴컴컴컴컴컴컴쩡컴컴컴컴쩡컴컴컴컴컴컴컴컴엿Field Name 쿎-Type 쿗ength 쿏escription � 쳐컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴탠컴컴컴컴탠컴컴컴컴컴컴컴컴� 쿶orbh 쿔ORBH 쿏B(68) 쿔ORB header � 쳐컴컴컴컴컴컴컴컴탠컴컴컴컴컴컴컴컴탠컴컴컴컴탠컴컴컴컴컴컴컴컴� 쿢nitStatus 쿢SHORT 쿏W 쿢nit status � 읕컴컴컴컴컴컴컴컴좔컴컴컴컴컴컴컴컴좔컴컴컴컴좔컴컴컴컴컴컴컴컴�
On entry to the driver:
iorbh
See IORB General Format.
UnitStatus
equals 0, on entry. On exit from the driver, this field contains the status
information request, based on the CommandModifier field, as shown
in the following table.
旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿎ommandModifier 쿏escription � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿔OCM_GET_UNIT_STATUS � � 쿢S_READY 쿢nit in Ready state � 쿢S_POWER 쿢nit Powered On � 쿢S_DEFECTIVE 쿢nit Defective � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿔OCM_GET_CHANGELINE_STATE � � 쿢S_CHANGELINE_ACTIVE 쿎hangeline occurred � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿔OCM_GET_MEDIA_SENSE � � 쿢S_MEDIA_144MB �144KB media capacity � 쿢S_MEDIA_288MB �288KB media capacity � 쿢S_MEDIA_720KB �720KB media capacity � 쿢S_MEDIA_UNKNOWN 쿘edia capacity unknown � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿔OCM_GET_LOCK_STATUS � � 쿢S_LOCKED 쿢nit Locked � 읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�
Remarks
On exit, the driver sets the Status and ErrorCode fields of the IORBH to reflect the results of the IOCC_UNIT_STATUS request.
Return Codes
For a detailed description of all the return codes, see IORB General Format.