134 lines
2.8 KiB
Plaintext
134 lines
2.8 KiB
Plaintext
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#! /bin/sh
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#
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# iucv_configure
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#
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# Configures a z/VM IUCV network adapter
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#
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# Usage:
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# iucv_configure <peer_userid> <online>
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#
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# peer_userid = z/VM userid of the IUCV peer
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# online = 0 to take the device offline
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# 1 to bring the device online
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#
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# Return values:
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# 1 sysfs not mounted
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# 2 Invalid status for <online>
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# 3 Could not create iucv device
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# 4 Could not remove iucv device
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#
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if [ "${DEBUG}" != "yes" ]; then
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DEBUG="no"
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fi
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mesg () {
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echo "$@"
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}
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debug_mesg () {
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case "$DEBUG" in
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yes) mesg "$@" ;;
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*) ;;
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esac
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}
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if [ $# -ne 2 ] ; then
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echo "Usage: $0 <peer_userid> <online>"
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echo " peer_userid = z/VM userid of the IUCV peer"
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echo " online = 0 to take the device offline"
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echo " 1 to bring the device online"
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exit 1
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fi
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# Get the mount point for sysfs
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while read MNTPT MNTDIR MNTSYS MNTTYPE; do
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if test "$MNTSYS" = "sysfs"; then
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SYSFS="$MNTDIR"
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break;
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fi
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done </proc/mounts
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if [ -z "$SYSFS" ]; then
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mesg "/sysfs not present"
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exit 1
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fi
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PEER_USERID_LOWER=$1
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PEER_USERID=$(echo $1 | tr "a-z" "A-Z")
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ONLINE=$2
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if [ -z "$PEER_USERID" ] ; then
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mesg "No IUCV user name given"
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exit 2
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fi
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if [ -z "$ONLINE" ] ; then
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ONLINE=1
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fi
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_iucv_dir=${SYSFS}/bus/iucv/devices
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_iucv_drv=${SYSFS}/bus/iucv/drivers/netiucv
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if [ ! -d "$_iucv_drv" ] ; then
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modprobe -q netiucv
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fi
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debug_mesg "Configuring IUCV device ${PEER_USERID}"
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for _iucv_dev in $_iucv_dir/netiucv?* ; do
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[ -d $_iucv_dev ] || continue
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read user < $_iucv_dev/user
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if [ "$user" = "$PEER_USERID" ] ; then
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# Already configured, ok
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iucvdev=${_iucv_dev##*/}
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break;
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fi
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done
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if [ -z "$iucvdev" -a $ONLINE -eq 1 ] ; then
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echo $PEER_USERID > $_iucv_drv/connection
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if [ $? -ne 0 ] ; then
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mesg "Unable to connect to $PEER_USERID"
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exit 3
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fi
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for _iucv_dev in $_iucv_dir/netiucv?* ; do
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[ -d $_iucv_dev ] || continue
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read user < $_iucv_dev/user
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if [ "$user" = "$PEER_USERID" ] ; then
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iucvdev=${_iucv_dev##*/}
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break;
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fi
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done
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if [ "$iucvdev" ] ; then
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debug_mesg "Configured device $iucvdev"
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fi
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elif [ "$iucvdev" -a $ONLINE -eq 0 ] ; then
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for _net_dev in $_iucv_dir/$iucvdev/net/* ; do
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[ -d $_net_dev ] || continue
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netdev=${_net_dev##*/}
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break;
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done
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if [ "$netdev" ] ; then
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echo $netdev > $_iucv_drv/remove
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if [ $? -ne 0 ] ; then
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mesg "Unable to remove device $netdev"
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exit 4
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else
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debug_mesg "Removed device $iucvdev"
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rm -f /etc/udev/rules.d/51-iucv-$PEER_USERID.rules /etc/udev/rules.d/51-iucv-$PEER_USERID_LOWER.rules
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iucvdev=
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fi
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fi
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fi
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if [ "$iucvdev" ] ; then
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cat > /etc/udev/rules.d/51-iucv-$PEER_USERID.rules <<EOF
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ACTION=="add", SUBSYSTEM=="subsystem", KERNEL=="iucv", RUN+="/usr/sbin/modprobe netiucv"
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ACTION=="add", SUBSYSTEM=="drivers", KERNEL=="netiucv", ATTR{connection}="$PEER_USERID"
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EOF
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fi
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exit
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