Neobiker: /* Installation */

2020-12-06T12:01:39Z

Installation

← Nächstältere Version		Version vom 6. Dezember 2020, 14:01 Uhr
Zeile 1:		Zeile 1:
	= Installation =		= Installation =
	Skript = '''/etc/init.d/xen-pciback'''		Skript = '''/etc/init.d/xen-pciback'''

	Konfigurationsfile = '''/etc/xen/xen-pciback'''		Konfigurationsfile = '''/etc/xen/xen-pciback'''
	<pre>		<pre>

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 DESC="Bind devices to xen-pciback" NAME=xen-pcib…“

2020-12-06T12:01:23Z

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= Installation =
Skript = '''/etc/init.d/xen-pciback'''
Konfigurationsfile = '''/etc/xen/xen-pciback'''
<pre>
DESC="Bind devices to xen-pciback"
NAME=xen-pciback
MODULE=xen_pciback

# Default variables
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

SCRIPTNAME=/etc/init.d/$NAME
CONFIGNAME=/etc/xen/$NAME.conf
</pre>

= Konfiguration =
''lspci'' listed alle installierten PCI Devices auf.

Die beiden zusätzlichen Netzwerkkarten sollen in DomU eingebunden werden, also werden diese beim booten reserviert.

File: '''/etc/xen/xen-pciback.conf'''
<pre>
# lspci | cut -d: -2f

#00:00.0 # Host bridge
#00:02.0 # VGA compatible controller
#00:03.0 # Audio device
#00:14.0 # USB controller
#00:16.0 # Communication controller
#00:1a.0 # USB controller
#00:1b.0 # Audio device
#00:1c.0 # PCI bridge
#00:1c.6 # PCI bridge
#00:1c.7 # PCI bridge
#00:1d.0 # USB controller
#00:1f.0 # ISA bridge
#00:1f.2 # SATA controller
#00:1f.3 # SMBus
#00:19.0 e1000e ### Ethernet controller ### GREEN
02:00.0 e1000e ### Ethernet controller ### RED
03:00.0 e1000e ### Ethernet controller ### BLUE
</pre>

= Skript =
<pre>
#! /bin/sh
### BEGIN INIT INFO
# Provides: xen-pciback
# Required-Start: $remote_fs $syslog xen
# Required-Stop: $remote_fs $syslog xen
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Bind devices to xen-pciback
# Description: Bind devices to xen-pciback
### END INIT INFO

#
# Author: neobiker <neobiker@neobiker.de>
#

. /lib/init/vars.sh
. /lib/lsb/init-functions

xen list > /dev/null
if test $? -ne 0
then
exit 0;
fi

TOOLSTACK=$(/usr/lib/xen-common/bin/xen-toolstack 2>/dev/null)
if [ $? -ne 0 ]; then
log_warning_msg "No usable Xen toolstack selected"
exit 0
fi
if [ "$(basename "$TOOLSTACK")" != xm ] && [ "$(basename "$TOOLSTACK")" != xl ]; then
exit 0
fi

if ! [ -e /proc/xen/privcmd ]; then
exit 0
fi

DESC="Bind devices to xen-pciback"
NAME=xen-pciback
MODULE=xen_pciback

# Default variables
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

SCRIPTNAME=/etc/init.d/$NAME
CONFIGNAME=/etc/xen/$NAME.conf

ROOT=$(/usr/lib/xen-common/bin/xen-dir 2>/dev/null)
if [ $? -ne 0 ]; then
log_warning_msg "Not running within Xen or no compatible utils"
exit 0
fi

#
# Make a device assignable for pci-passthru
#
do_pci_assignable_add()
{
BDF=$1
[ -z "$BDF" ] && return 0
xl pci-assignable-add $BDF
ret=$?
if [ $ret -ne 0 ]; then
log_warning_msg "Xen: couldn't assign PCI ($BDF)"
return 1
fi

log_action_msg "Xen: PCI $BDF assigned to $NAME"
return 0
}

#
# Remove a device from pci-passthru
#
do_pci_assignable_remove()
{
BDF=$1
xl pci-assignable-remove -r $BDF
if [ $? -ne 0 ]; then
log_warning_msg "Xen: couldn't remove PCI ($BDF)"
return 1
fi
log_action_msg "Xen: PCI $BDF removed from $NAME"
return 0
}

#
# Function that starts the daemon/service
#
do_start()
{
# Exit if the package is not installed
[ -e "$CONFIGNAME" ] || return 0

cat $CONFIGNAME 2>/dev/null | awk '{if ($1 !~ /#/) print $0}' | while read PCI ; do
[ -z "$PCI" ] && continue
f1=`echo "$PCI" | awk '{print $1}'`
do_pci_assignable_add $f1
done || return 2
return 0
}

#
# Function that stops the daemon/service
#
do_stop()
{
# Exit if the package is not installed
[ -e "$CONFIGNAME" ] || return 0

cat $CONFIGNAME 2>/dev/null |
awk '{if ($1 !~ /#/) print $0}' |
while read PCI ; do
[ -z "$PCI" ] && continue
BDF=`echo "$PCI" | awk '{print $1}'`
do_pci_assignable_remove $BDF
done || return 2
return 0
}

modprobe -q $MODULE

case "$1" in
start)
[ "$VERBOSE" != no ] && log_action_begin_msg "Starting $DESC $NAME"
do_start
case "$?" in
0) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
1|2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
stop)
[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC $NAME"
do_stop
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
*)
echo "Usage: $SCRIPTNAME {start|stop}" >&2
exit 0
;;
esac
exit 0
</pre>

XEN-PCIBack - Versionsgeschichte

Neobiker: /* Installation */

Neobiker: Die Seite wurde neu angelegt: „= Installation = Skript = '''/etc/init.d/xen-pciback''' Konfigurationsfile = '''/etc/xen/xen-pciback'''
DESC="Bind devices to xen-pciback" NAME=xen-pcib…“