File 0556-95qeth_rules-Add-new-module-to-copy-qeth-rules.patch of Package dracut.12460
From c4f914a33ac07348245b865dd356c60459d81b42 Mon Sep 17 00:00:00 2001
From: Daniel Molkentin <dmolkentin@suse.com>
Date: Mon, 29 Jan 2018 08:58:31 -0500
Subject: [PATCH] 95qeth_rules: Add new module to copy qeth rules
Only pick rules for interfaces which have a carrier in the running
system. Those interfaces will be assembled by udev to allow booting
from those devices (i.e. iSCSI).
Reference: FATE#323440
---
modules.d/95qeth_rules/module-setup.sh | 59 ++++++++++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
create mode 100755 modules.d/95qeth_rules/module-setup.sh
diff --git a/modules.d/95qeth_rules/module-setup.sh b/modules.d/95qeth_rules/module-setup.sh
new file mode 100755
index 00000000..d4d15118
--- /dev/null
+++ b/modules.d/95qeth_rules/module-setup.sh
@@ -0,0 +1,59 @@
+#!/bin/bash
+
+# called by dracut
+check() {
+ local _arch=$(uname -m)
+ local _online=0
+ [ "$_arch" = "s390" -o "$_arch" = "s390x" ] || return 1
+ require_binaries /usr/lib/udev/collect || return 1
+ dracut_module_included network || return 1
+
+ [[ $hostonly ]] && {
+ for i in /sys/devices/qeth/*/online; do
+ read _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 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
+
+ inst_simple /usr/lib/udev/collect
+}
--
2.13.6