|
|
|
|
#!/bin/sh
|
|
|
|
|
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
|
|
|
|
|
# ex: ts=8 sw=4 sts=4 et filetype=sh
|
|
|
|
|
#
|
|
|
|
|
# Preferred format:
|
|
|
|
|
# root=iscsi:[<servername>]:[<protocol>]:[<port>]:[<LUN>]:<targetname>
|
|
|
|
|
# [root=*] netroot=iscsi:[<servername>]:[<protocol>]:[<port>]:[<LUN>]:<targetname>
|
|
|
|
|
#
|
|
|
|
|
# Legacy formats:
|
|
|
|
|
# [net]root=[iscsi] iscsiroot=[<servername>]:[<protocol>]:[<port>]:[<LUN>]:<targetname>
|
|
|
|
|
# [net]root=[iscsi] iscsi_firmware
|
|
|
|
|
#
|
|
|
|
|
# root= takes precedence over netroot= if root=iscsi[...]
|
|
|
|
|
#
|
|
|
|
|
|
|
|
|
|
# Don't continue if root is ok
|
|
|
|
|
[ -n "$rootok" ] && return
|
|
|
|
|
|
|
|
|
|
# This script is sourced, so root should be set. But let's be paranoid
|
|
|
|
|
[ -z "$root" ] && root=$(getarg root=)
|
|
|
|
|
[ -z "$netroot" ] && netroot=$(getarg netroot=)
|
|
|
|
|
[ -z "$iscsiroot" ] && iscsiroot=$(getarg iscsiroot=)
|
|
|
|
|
[ -z "$iscsi_firmware" ] && getarg iscsi_firmware && iscsi_firmware="1"
|
|
|
|
|
|
|
|
|
|
[ -n "$iscsiroot" ] && [ -n "$iscsi_firmware" ] && die "Mixing iscsiroot and iscsi_firmware is dangerous"
|
|
|
|
|
|
|
|
|
|
# Root takes precedence over netroot
|
|
|
|
|
if [ "${root%%:*}" = "iscsi" ] ; then
|
|
|
|
|
if [ -n "$netroot" ] ; then
|
|
|
|
|
echo "Warning: root takes precedence over netroot. Ignoring netroot"
|
|
|
|
|
|
|
|
|
|
fi
|
|
|
|
|
netroot=$root
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# If it's not empty or iscsi we don't continue
|
|
|
|
|
[ -z "$netroot" ] || [ "${netroot%%:*}" = "iscsi" ] || return
|
|
|
|
|
|
|
|
|
|
if [ -n "$iscsiroot" ] ; then
|
|
|
|
|
[ -z "$netroot" ] && netroot=$root
|
|
|
|
|
|
|
|
|
|
# @deprecated
|
|
|
|
|
echo "Warning: Argument isciroot is deprecated and might be removed in a future"
|
|
|
|
|
echo "release. See http://apps.sourceforge.net/trac/dracut/wiki/commandline for"
|
|
|
|
|
echo "more information."
|
|
|
|
|
|
|
|
|
|
# Accept iscsiroot argument?
|
|
|
|
|
[ -z "$netroot" ] || [ "$netroot" = "iscsi" ] || \
|
|
|
|
|
die "Argument iscsiroot only accepted for empty root= or [net]root=iscsi"
|
|
|
|
|
|
|
|
|
|
# Override root with iscsiroot content?
|
|
|
|
|
[ -z "$netroot" ] || [ "$netroot" = "iscsi" ] && netroot=iscsi:$iscsiroot
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# iscsi_firmware does not need argument checking
|
|
|
|
|
if [ -n "$iscsi_firmware" ] ; then
|
|
|
|
|
netroot=${netroot:-iscsi}
|
|
|
|
|
modprobe iscsi_ibft
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# If it's not iscsi we don't continue
|
|
|
|
|
[ "${netroot%%:*}" = "iscsi" ] || return
|
|
|
|
|
|
|
|
|
|
# Check required arguments. there's only one, but it's at the end
|
|
|
|
|
if [ -z "$iscsi_firmware" ] ; then
|
|
|
|
|
case "${netroot##iscsi:*:*:*:*:}" in
|
|
|
|
|
$netroot|'') die "Argument targetname for iscsiroot is missing";;
|
|
|
|
|
esac
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# ISCSI actually supported?
|
|
|
|
|
[ -e /sys/devices/virtual/iscsi_transport ] || modprobe iscsi_tcp || die "iscsiroot requested but kernel/initrd does not support iscsi"
|
|
|
|
|
|
|
|
|
|
# Done, all good!
|
|
|
|
|
rootok=1
|
|
|
|
|
|
|
|
|
|
# Shut up init error check
|
|
|
|
|
[ -z "$root" ] && root="iscsi"
|
|
|
|
|
|
|
|
|
|
echo '[ -e /dev/root ]' > /initqueue-finished/iscsi.sh
|
|
|
|
|
|
