poky/scripts/runqemu-export-rootfs
Scott Garman ee76b805f9 runqemu: allow multiple unfs instances to run simultaneously
A miscalculation in the way the port numbers of mountd and nfsd
are created was causing conflicts when starting multiple instances
of qemu using userspace nfs.

Thanks to Rudolf Streif for proposing this fix!

Fixes [YOCTO #1969]

(From OE-Core rev: 94eef772c283170d19ba92c8de0054cd093fc487)

Signed-off-by: Scott Garman <scott.a.garman@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2012-10-04 14:10:56 +01:00

6.1 KiB
Executable File

#!/bin/bash

Copyright (c) 2005-2009 Wind River Systems, Inc.

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License version 2 as

published by the Free Software Foundation.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

usage() { echo "Usage: $0 {start|stop|restart} " }

if [ $# != 2 ]; then usage exit 1 fi

if ; then echo "Unknown command '$1'" usage exit 1 fi

if [ ! -d "$2" ]; then echo "Error: '$2' does not exist" usage exit 1 fi

Ensure the nfs-export-dir is an absolute path

NFS_EXPORT_DIR=$(cd "$2" && pwd)

SYSROOT_SETUP_SCRIPT=which oe-find-native-sysroot 2> /dev/null if [ -z "$SYSROOT_SETUP_SCRIPT" ]; then echo "Error: Unable to find the oe-find-native-sysroot script" echo "Did you forget to source your build environment setup script?" exit 1 fi . $SYSROOT_SETUP_SCRIPT

if [ ! -e "$OECORE_NATIVE_SYSROOT/usr/sbin/rpc.mountd" ]; then echo "Error: Unable to find rpc.mountd binary in $OECORE_NATIVE_SYSROOT/usr/sbin/"

if [ "x$OECORE_DISTRO_VERSION" = "x" ]; then
	echo "Have you run 'bitbake meta-ide-support'?"
else
	echo "This shouldn't happen - something is missing from your toolchain installation"
fi
exit 1

fi

if [ ! -d ~/.runqemu-sdk ]; then mkdir -p ~/.runqemu-sdk fi

NFS_INSTANCE=${NFS_INSTANCE:=0} EXPORTS=~/.runqemu-sdk/exports$NFS_INSTANCE RMTAB=~/.runqemu-sdk/rmtab$NFS_INSTANCE NFSPID=~/.runqemu-sdk/nfs$NFS_INSTANCE.pid MOUNTPID=~/.runqemu-sdk/mount$NFS_INSTANCE.pid

PSEUDO_OPTS="-P $OECORE_NATIVE_SYSROOT/usr" PSEUDO_LOCALSTATEDIR="$NFS_EXPORT_DIR/../$(basename $NFS_EXPORT_DIR).pseudo_state" export PSEUDO_LOCALSTATEDIR

if [ ! -d "$PSEUDO_LOCALSTATEDIR" ]; then echo "Error: $PSEUDO_LOCALSTATEDIR does not exist." echo "Did you create the export directory using runqemu-extract-sdk?" exit 1 fi

rpc.mountd RPC port

NFS_MOUNTPROG=$[ 21111 + $NFS_INSTANCE ]

rpc.nfsd RPC port

NFS_NFSPROG=$[ 11111 + $NFS_INSTANCE ]

NFS port number

NFS_PORT=$[ 3049 + 2 * $NFS_INSTANCE ]

mountd port number

MOUNT_PORT=$[ 3048 + 2 * $NFS_INSTANCE ]

For debugging you would additionally add

--debug all

MOUNTD_OPTS="--allow-non-root --mount-pid $MOUNTPID -f $EXPORTS --rmtab $RMTAB --prog $NFS_MOUNTPROG -r -P $MOUNT_PORT" NFSD_OPTS="--allow-non-root --nfs-pid $NFSPID -f $EXPORTS --prog $NFS_NFSPROG -P $NFS_PORT -r"

Setup the exports file

if [ "$1" = "start" ]; then echo "Creating exports file..." echo "$NFS_EXPORT_DIR (rw,async,no_root_squash,no_all_squash,insecure)" > $EXPORTS fi

See how we were called.

case "$1" in start) PORTMAP_RUNNING=ps -ef | grep portmap | grep -v grep RPCBIND_RUNNING=ps -ef | grep rpcbind | grep -v grep if ; then echo "=======================================================" echo "Error: neither rpcbind nor portmap appear to be running" echo "Please install and start one of these services first" echo "=======================================================" echo "Tip: for recent Ubuntu hosts, run:" echo " sudo apt-get install rpcbind" echo "Then add OPTIONS="-i -w" to /etc/default/rpcbind and run" echo " sudo service portmap restart"

	exit 1
fi

echo "Starting User Mode rpc.mountd"
echo "  $PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/sbin/rpc.mountd $MOUNTD_OPTS"
$PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/sbin/rpc.mountd $MOUNTD_OPTS
if [ ! $? = 0 ]; then
	echo "====================="
	echo "Error starting MOUNTD"
	echo "====================="
	if [ ! "x$RPCBIND_RUNNING" = "x" ] ; then
		echo "  If you see an error above that says:"
		echo "    RPC: Authentication error; why = Client credential too weak"
		echo "  You need to add the -i option when running rpcbind"
		echo "==============================================="
		echo "For recent Fedora/RedHat hosts:"
		echo "Add RPCBIND_ARGS=-i to /etc/sysconfig/rpcbind"
		echo "  or"
		echo "Add RPCBIND_OPTIONS=-i to /etc/sysconfig/rpcbind"
		echo "Then run as root: /etc/init.d/rpcbind restart"
		echo "==============================================="
		echo "For recent Debian/Ubuntu hosts:"
		echo "Add OPTIONS=\"-i -w\"  to /etc/default/rpcbind"
		echo "sudo service portmap restart"
	fi

	exit 1
fi

echo "Starting User Mode nfsd"
echo "  $PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/sbin/rpc.nfsd $NFSD_OPTS"
$PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/sbin/rpc.nfsd $NFSD_OPTS
if [ ! $? = 0 ]; then
	echo "Error starting nfsd"
	exit 1
fi
# Check to make sure everything started ok.
if [ ! -f $MOUNTPID ]; then
	echo "rpc.mountd did not start correctly"
	exit 1
fi
if [ ! -f $NFSPID ]; then
	echo "rpc.nfsd did not start correctly"
	exit 1
fi
ps -fp `cat $MOUNTPID` > /dev/null 2> /dev/null
if [ ! $? = 0 ]; then
	echo "rpc.mountd did not start correctly"
	exit 1
fi
ps -fp `cat $NFSPID` > /dev/null 2> /dev/null
if [ ! $? = 0 ]; then
	echo "rpc.nfsd did not start correctly"
	exit 1
fi
echo " "
echo "On your target please remember to add the following options for NFS"
echo "nfsroot=IP_ADDRESS:$NFS_EXPORT_DIR,nfsvers=2,mountprog=$NFS_MOUNTPROG,nfsprog=$NFS_NFSPROG,udp"
;;

stop) if [ -f "$MOUNTPID" ]; then echo "Stopping rpc.mountd" kill cat $MOUNTPID rm -f $MOUNTPID else echo "No PID file, not stopping rpc.mountd" fi if [ -f "$NFSPID" ]; then echo "Stopping rpc.nfsd" kill cat $NFSPID rm -f $NFSPID else echo "No PID file, not stopping rpc.nfsd" fi if [ -f "$EXPORTS" ]; then echo "Removing exports file" rm -f $EXPORTS fi ;; restart) $0 stop $NFS_EXPORT_DIR $0 start $NFS_EXPORT_DIR if [ ! $? = 0 ]; then exit 1 fi ;; *) echo "$0 {start|stop|restart} " ;; esac

exit 0