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

IOCP
Usage Notes
DESC1 string
indicates that you want the specified string to be stored in the first
descriptor field of the hardware configuration token. The string can be up to
eight characters and cannot contain blanks.
DESC2 string
indicates that you want the specified string to be stored in the second
descriptor field of the hardware configuration token. The string can be up to
eight characters and cannot contain blanks.
1. For more information on using the IOCP utility and making dynamic changes to
your I/O configuration see the z/VM: CP Planning and Administration book. For
additional information on the IOCP program, see the the following documents:
v For S/390 ®
processors – Input/Output Configuration Program User’s Guide
and ESCON Channel-to-Channel Reference, GC38–0401.
v For zSeries z900 and z800 processors – Input/Output Configuration Program
User’s Guide for IYP IOCP, SB10–7029.
v For other zSeries processors – Input/Output Configuration Program User’s
Guide for ICP IOCP, SB10–7037.
2. You need privilege class B to use the DYN option. See the IOCP User’s Guide
for your processor. For a list of books, see usage note 1.
3. If the IOCP front-end exec terminates without invoking the IOCP program, an
error return code of the format (1000+nnn) is generated. The nnn value provides
additional information about the problem that was encountered:
nnn Description
1850 z/VM: CP Commands and Utilities Reference
999 The CP QUERY TOKEN command was not recognized. We cannot
obtain the information needed to build the hardware configuration token.
Verify that your privilege class is correct and that the CP QUERY
TOKEN command is available and enabled on your system.
sss Changes to the IOCP file could not be saved. This value is the error
return code received from the XEDIT SAVE command. See the z/VM:
XEDIT Commands and Macros Reference book for additional
information as to the nature of the problem.
The IOCP program will also generate return codes. For details on the return
codes, see the IOCP User’s Guide for your processor. For a list of books, see
usage note 1.