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https://github.com/ibm-s390-linux/s390-tools.git
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35348c302b
Unfortunately zdev hook already exists in Ubuntu, from an unrelated project. ZFS uses zdev/zpool names, and ships a zdev hook to do ZFS specific initialisation. It is available on s390x and thus results in file-conflict upon installing both. Thus renaming this zdev hook to s390-tools-zdev. Closes: https://github.com/ibm-s390-tools/s390-tools/pull/41 Signed-off-by: Dimitri John Ledkov <xnox@ubuntu.com> Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
68 lines
1.3 KiB
Bash
68 lines
1.3 KiB
Bash
#!/bin/sh
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#
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# Copyright IBM Corp. 2017
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#
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# s390-tools is free software; you can redistribute it and/or modify
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# it under the terms of the MIT license. See LICENSE for details.
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#
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# scripts/init-top/s390-tools-zdev
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# Parse the kernel command line for rd.zdev kernel parameters. These
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# parameters are evaluated and used to configure z Systems specific devices.
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#
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# Format:
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# rd.zdev=no-auto
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#
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# where
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#
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# no-auto: Indicates that firmware-provided I/O configuration data
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# should not be applied.
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#
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PREREQ="udev"
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prereqs()
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{
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echo "$PREREQ"
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}
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case $1 in
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prereqs)
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prereqs
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exit 0
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;;
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esac
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. /scripts/functions
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zdev_fw_file="/sys/firmware/sclp_sd/config/data"
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zdev_base_args="--force --yes --no-root-update --no-settle --auto-conf --quiet"
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if [ -e "$zdev_fw_file" ] ; then
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zdev_auto=1
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else
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zdev_auto=0
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fi
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for x in $(cat /proc/cmdline); do
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case ${x} in
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rd.zdev=*)
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zdev_arg=${x#*=}
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if [ "$zdev_arg" = "no-auto" ] ; then
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zdev_auto=0
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fi
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;;
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esac
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done
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if [ $zdev_auto -eq 1 ] ; then
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log_begin_msg "Starting firmware auto-configuration"
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chzdev --import "$zdev_fw_file" $zdev_base_args
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log_end_msg
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# Repeat cold-plug after creating udev rules
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udevadm control --reload
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udevadm trigger --type=subsystems --action=add
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udevadm trigger --action=add
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udevadm settle || true
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fi
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