.TH qeth_configure "8" "July 2013" "s390-tools"
.SH NAME
qeth_configure \- Configures or deconfigures a HiperSocket adapter or an IBM Open Systems Adapter (OSA) in QDIO mode
.SH SYNOPSIS
.B qeth_configure [options] read_channel write_channel data_channel online
.SH DESCRIPTION
.B qeth_configure
is intended to make it easy to persistently add and remove HiperSocket Adapters and Open System Adapters (OSAs) that are in QDIO mode. In addition to bringing the adapter online or offline, it will also create or delete the necessary udev rules for the adapter.
.SH PARAMETERS
.IP read_channel
The device number of the read channel of the adapter. Takes the form x.y.ssss.
.IP write_channel
The device number of the write channel of the adapter.Takes the form x.y.ssss.
.IP data_channel
The device number of the data channel of the adapter.Takes the form x.y.ssss.
.RS

where
.RS
.B x
is always 0 until IBM creates something that uses that number.
.RE
.RS
.B y
is the logical channel subsystem (lcss) number. Most often this is 0, but it could be non-zero.
.RE
.RS
.B ssss
is the four digit subchannel address of the device, in hexidecimal, with leading zeros. If entered in upper/mixed case, this is automatically converted to lower case.
.RE
.RE
.RS
.RE
.RE
.IP online
Either a literal 1 to bring the adapter online or a literal 0 to take it offline
.SH OPTIONAL PARAMETERS
.IP -i
Configure IP takeover
.IP -l
Configure Layer 2 support
.IP -f
Force creation of udev rules, do not check values in /sys. Requires -t to be specfied.
.IP "-t CARDTYPE"
The type of card being configured. Valid values are: qeth, hsi, or osn.
.IP "-o ""Values"""
General/arbitrary QETH options, separated by spaces
.IP "-n portnumber"
QETH port number to use, 0 or 1. Only needed for real, not virtual devices.
.IP "-p portname"
QETH Portname to use. Only needed if sharing a real OSA with z/OS.
.SH FILES
Please see the documentation of
.B chzdev.
.SH ENVIRONMENT
.IP DEBUG
If set to "yes" some minimal debugging information is output during execution.
.SH DIAGNOSTICS
Messages and return codes are determined by the
.B chzdev
command.
If environment variable DEBUG is set to "yes," it shows the command line of the invoked
.B chzdev,
and a message for each command line option is issued on stdout.
.SH BUGS
Gotta be some, I'm sure. If you find one, please open a bug report.