114 lines
3.2 KiB
Diff
114 lines
3.2 KiB
Diff
From b925f7f5d97259dd81e9d562fd1c6433e4b04f30 Mon Sep 17 00:00:00 2001
|
|
From: Harald Hoyer <harald@hoyer.xyz>
|
|
Date: Mon, 15 Jan 2018 09:04:12 +0100
|
|
Subject: [PATCH] Merge pull request #347 from danimo/81cio_ignore
|
|
|
|
81cio_ignore: handle cio_ignore commandline
|
|
---
|
|
dracut.cmdline.7.asc | 15 +++++++++++
|
|
modules.d/81cio_ignore/module-setup.sh | 40 ++++++++++++++++++++++++++++++
|
|
modules.d/81cio_ignore/parse-cio_accept.sh | 22 ++++++++++++++++
|
|
3 files changed, 77 insertions(+)
|
|
|
|
diff --git a/dracut.cmdline.7.asc b/dracut.cmdline.7.asc
|
|
index f95f4d63..8f83405e 100644
|
|
--- a/dracut.cmdline.7.asc
|
|
+++ b/dracut.cmdline.7.asc
|
|
@@ -1015,6 +1015,21 @@ ZIPL
|
|
rd.zipl=UUID=0fb28157-99e3-4395-adef-da3f7d44835a
|
|
--
|
|
|
|
+CIO_IGNORE
|
|
+~~~~~~~~~~
|
|
+**rd.cio_accept=**__<device-ids>__::
|
|
+ Remove the devices listed in <device-ids> from the default
|
|
+ cio_ignore kernel command-line settings.
|
|
+ <device-ids> is a list of comma-separated CCW device ids.
|
|
+ The default for this value is taken from the
|
|
+ _/boot/zipl/active_devices.txt_ file.
|
|
++
|
|
+[listing]
|
|
+.Example
|
|
+--
|
|
+rd.cio_accept=0.0.0180,0.0.0800,0.0.0801,0.0.0802
|
|
+--
|
|
+
|
|
Plymouth Boot Splash
|
|
~~~~~~~~~~~~~~~~~~~~
|
|
**plymouth.enable=0**::
|
|
diff --git a/modules.d/81cio_ignore/module-setup.sh b/modules.d/81cio_ignore/module-setup.sh
|
|
new file mode 100755
|
|
index 00000000..37b414bf
|
|
--- /dev/null
|
|
+++ b/modules.d/81cio_ignore/module-setup.sh
|
|
@@ -0,0 +1,40 @@
|
|
+#!/bin/bash
|
|
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
|
|
+# ex: ts=8 sw=4 sts=4 et filetype=sh
|
|
+
|
|
+# called by dracut
|
|
+check() {
|
|
+# do not add this module by default
|
|
+ local arch=$(uname -m)
|
|
+ [ "$arch" = "s390" -o "$arch" = "s390x" ] || return 1
|
|
+ return 0
|
|
+}
|
|
+
|
|
+cmdline() {
|
|
+ local cio_accept
|
|
+
|
|
+ if [ -e /boot/zipl/active_devices.txt ] ; then
|
|
+ while read dev etc ; do
|
|
+ [ "$dev" = "#" -o "$dev" = "" ] && continue;
|
|
+ if [ -z "$cio_accept" ] ; then
|
|
+ cio_accept="$dev"
|
|
+ else
|
|
+ cio_accept="${cio_accept},${dev}"
|
|
+ fi
|
|
+ done < /boot/zipl/active_devices.txt
|
|
+ fi
|
|
+ if [ -n "$cio_accept" ] ; then
|
|
+ echo "rd.cio_accept=${cio_accept}"
|
|
+ fi
|
|
+}
|
|
+
|
|
+# called by dracut
|
|
+install() {
|
|
+ if [[ $hostonly_cmdline == "yes" ]] ; then
|
|
+ local _cio_accept=$(cmdline)
|
|
+ [[ $_cio_accept ]] && printf "%s\n" "$_cio_accept" >> "${initdir}/etc/cmdline.d/01cio_accept.conf"
|
|
+ fi
|
|
+
|
|
+ inst_hook cmdline 20 "$moddir/parse-cio_accept.sh"
|
|
+ inst_multiple cio_ignore
|
|
+}
|
|
diff --git a/modules.d/81cio_ignore/parse-cio_accept.sh b/modules.d/81cio_ignore/parse-cio_accept.sh
|
|
new file mode 100755
|
|
index 00000000..4f899d25
|
|
--- /dev/null
|
|
+++ b/modules.d/81cio_ignore/parse-cio_accept.sh
|
|
@@ -0,0 +1,22 @@
|
|
+#!/bin/sh
|
|
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
|
|
+# ex: ts=8 sw=4 sts=4 et filetype=sh
|
|
+
|
|
+CIO_IGNORE=$(getarg cio_ignore)
|
|
+CIO_ACCEPT=$(getarg rd.cio_accept)
|
|
+
|
|
+if [ -z $CIO_IGNORE ] ; then
|
|
+ info "cio_ignored disabled on commandline"
|
|
+ return
|
|
+fi
|
|
+if [ -n "$CIO_ACCEPT" ] ; then
|
|
+ OLDIFS="$IFS"
|
|
+ IFS=,
|
|
+ set -- $CIO_ACCEPT
|
|
+ while (($# > 0)) ; do
|
|
+ info "Enabling device $1"
|
|
+ cio_ignore --remove $1
|
|
+ shift
|
|
+ done
|
|
+ IFS="$OLDIFS"
|
|
+fi
|
|
|