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#!/bin/bash
# called by dracut
check() {
local _arch=${DRACUT_ARCH:-$(uname -m)}
local _online=0
[ "$_arch" = "s390" -o "$_arch" = "s390x" ] || return 1
dracut_module_included network || return 1
[[ $hostonly ]] && {
for i in /sys/devices/qeth/*/online; do
[ ! -f "$i" ] && continue
read -r _online < "$i"
[ "$_online" -eq 1 ] && return 0
done
}
return 255
}
# called by dracut
installkernel() {
instmods qeth
}
# called by dracut
install() {
ccwid() {
qeth_path=$(readlink -e -q "$1"/device)
basename "$qeth_path"
}
inst_rules_qeth() {
for rule in /etc/udev/rules.d/{4,5}1-qeth-${1}.rules; do
# prefer chzdev generated 41- rules
if [ -f "$rule" ]; then
inst_rules "$rule"
break
fi
done
}
has_carrier() {
carrier=0
# not readable in qeth interfaces
# that have just been assembled, ignore
# read error and assume no carrier
read -r carrier 2> /dev/null < "$1/carrier"
[ "$carrier" -eq 1 ] && return 0
return 1
}
for dev in /sys/class/net/*; do
has_carrier "$dev" || continue
id=$(ccwid "$dev")
[ -n "$id" ] && inst_rules_qeth "$id"
done
}
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