s390-tools/s390-tools-slfo-01-parse-ipl-device-for-activation.patch

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From 001c5aa5d40ffa7a40d64416c43c67004de29b8f Mon Sep 17 00:00:00 2001
From: Thomas Blume <Thomas.Blume@suse.com>
Date: Thu, 28 Mar 2024 13:32:46 +0100
Subject: [PATCH] parse ipl device for activation
ported from dracut modules
---
zdev/dracut/95zdev/parse-dasd.sh | 20 ++++++++++--
zdev/dracut/95zdev/parse-zfcp.sh | 56 +++++++++++++++++++++-----------
2 files changed, 54 insertions(+), 22 deletions(-)
diff --git a/zdev/dracut/95zdev/parse-dasd.sh b/zdev/dracut/95zdev/parse-dasd.sh
index a97801fe..cce0435a 100644
--- a/zdev/dracut/95zdev/parse-dasd.sh
+++ b/zdev/dracut/95zdev/parse-dasd.sh
@@ -10,6 +10,8 @@
# parameters are evaluated and used to configure dasd devices.
#
+zdev_dasd_base_args="--no-settle --yes --no-root-update --force"
+
# shellcheck source=/dev/null
type zdev_parse_dasd_list > /dev/null 2>&1 || . /lib/s390-tools/zdev-from-dasd_mod.dasd
@@ -27,9 +29,21 @@ zdev_vinfo() {
zdev_parse_rd_dasd() {
local _zdev_dasd _zdev_dasd_list
- for _zdev_dasd in $(getargs rd.dasd -d 'rd_DASD='); do
- _zdev_dasd_list="${_zdev_dasd_list:+${_zdev_dasd_list},}$_zdev_dasd"
- done
+ # autodetect active bootdev from zipl device
+ if ! getargbool 0 'rd.dasd' \
+ && [[ -f /sys/firmware/ipl/ipl_type ]] \
+ && [[ $(< /sys/firmware/ipl/ipl_type) == "ccw" ]]; then
+ read -r _ccw < /sys/firmware/ipl/device
+
+ if lszdev --offline "$_ccw" &>/dev/null; then
+ chzdev --offline --existing --enable --active $zdev_dasd_base_args \
+ dasd "$_ccw"
+ fi
+ else
+ for _zdev_dasd in $(getargs rd.dasd -d 'rd_DASD='); do
+ _zdev_dasd_list="${_zdev_dasd_list:+${_zdev_dasd_list},}$_zdev_dasd"
+ done
+ fi
echo "$_zdev_dasd_list"
}
diff --git a/zdev/dracut/95zdev/parse-zfcp.sh b/zdev/dracut/95zdev/parse-zfcp.sh
index 715aa009..e4fef0b9 100644
--- a/zdev/dracut/95zdev/parse-zfcp.sh
+++ b/zdev/dracut/95zdev/parse-zfcp.sh
@@ -12,25 +12,43 @@
zdev_zfcp_base_args="--no-settle --yes --no-root-update --force"
-for zdev_zfcp_arg in $(getargs rd.zfcp -d 'rd_ZFCP='); do
- (
- IFS_SAVED="$IFS"
- IFS="," # did not work in front of built-in set command below
- # shellcheck disable=SC2086
- set -- $zdev_zfcp_arg
- IFS=":" args="$*"
- IFS="$IFS_SAVED"
- echo "rd.zfcp ${zdev_zfcp_arg} :" | zdev_vinfo
- if [ "$#" -eq 1 ]; then
- # shellcheck disable=SC2086
- chzdev --enable --persistent $zdev_zfcp_base_args \
- zfcp-host "$args" 2>&1 | zdev_vinfo
- else
+zdev_vinfo() {
+ local _zdev_vinfo_line
+ while read -r _zdev_vinfo_line || [ -n "$_zdev_vinfo_line" ]; do
+ # Prefix "<30>" represents facility LOG_DAEMON 3 and loglevel INFO 6:
+ # (facility << 3) | level.
+ echo "<30>dracut: $_zdev_vinfo_line" > /dev/kmsg
+ done
+}
+
+# autodetect active bootdev from zipl device
+if ! getargbool 0 'rd.zfcp' \
+ && [[ -f /sys/firmware/ipl/ipl_type ]] \
+ && [[ $(< /sys/firmware/ipl/ipl_type) == "fcp" ]]; then
+ chzdev --offline --existing --enable --active $zdev_zfcp_base_args \
+ zfcp-host 2>&1 | zdev_vinfo
+else
+ for zdev_zfcp_arg in $(getargs rd.zfcp -d 'rd_ZFCP='); do
+ (
+ IFS_SAVED="$IFS"
+ IFS="," # did not work in front of built-in set command below
# shellcheck disable=SC2086
- chzdev --enable --persistent $zdev_zfcp_base_args \
- zfcp-lun "$args" 2>&1 | zdev_vinfo
- fi
- )
-done
+ set -- $zdev_zfcp_arg
+ IFS=":" args="$*"
+ IFS="$IFS_SAVED"
+ echo "rd.zfcp ${zdev_zfcp_arg} :" | zdev_vinfo
+ if [ "$#" -eq 1 ]; then
+ # shellcheck disable=SC2086
+ chzdev --enable --persistent $zdev_zfcp_base_args \
+ zfcp-host "$args" 2>&1 | zdev_vinfo
+ else
+ # shellcheck disable=SC2086
+ chzdev --enable --persistent $zdev_zfcp_base_args \
+ zfcp-lun "$args" 2>&1 | zdev_vinfo
+ fi
+ )
+ done
+fi
+
unset zdev_zfcp_arg
unset zdev_zfcp_base_args