z/VM: CP Commands and Utilities Reference - z/VM - IBM

Type Meaning
CTLR 3705 Communications Controller
MSC Mass Storage Controller
LINE Virtual 270x line
MSGD Message Device
OSA Open Systems Adapter
FCP SCSI Device Adapter
DEV Any miscellaneous device
vdev
identifies the virtual device number.
ON DEV rdev
identifies the real device number.
ON NIC vdev AS UNIT unit
identifies the base device (for a virtual network adapter) and the relative device
(starting with 0).
vsub
identifies the virtual subchannel number.
Response 2:
[SYSCTL | DEVCTL | NOCTL | CACHE | NOCACHE | STABLE | EXCLUSIVE]
[PRIMARY DUPLEX | SECONDARY DUPLEX]
[REAL-MPLF | SIMULATED-MPLF]
QUERY (Virtual Device)
is the response displayed, in addition to the normal QUERY VIRTUAL DEVICE
response, if the DETAILS option is specified.
SYSCTL
specifies that CCWs are accepted that have a direct effect on global subsystem
resources and functions and not just those related to the device.
DEVCTL
specifies that CCWs are accepted that have an effect on resources and
functions directly related to the device.
NOCTL
No CCWs are accepted that can exercise control of subsystem resources and
functions, regardless of whether they are directly related to the device.
CACHE
indicates that the minidisk has access to storage control cache.
NOCACHE
indicates that CP forces I/O to the minidisk to bypass storage control cache.
STABLE
indicates that the disk was acquired with either an SR, SW, or SM access
mode, preventing all other users from getting write access to this disk.
EXCLUSIVE
indicates that the disk was acquired with either an ER or EW link mode,
preventing all other users from getting any access to this disk.
PRIMARY DUPLEX
means that the disk is on the primary volume of a duplex pair.
SECONDARY DUPLEX
means that the disk is on the secondary volume of a duplex pair.
Chapter 2. CP Commands 1097