xref: /OK3568_Linux_fs/yocto/scripts/runqemu-export-rootfs (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1#!/bin/bash
2#
3# Copyright (c) 2005-2009 Wind River Systems, Inc.
4#
5# SPDX-License-Identifier: GPL-2.0-only
6#
7
8usage() {
9	echo "Usage: $0 {start|stop|restart} <nfs-export-dir>"
10}
11
12if [ $# != 2 ]; then
13	usage
14	exit 1
15fi
16
17if [[ "$1" != "start" && "$1" != "stop" && "$1" != "restart" ]]; then
18	echo "Unknown command '$1'"
19	usage
20	exit 1
21fi
22
23if [ ! -d "$2" ]; then
24	echo "Error: '$2' does not exist"
25	usage
26	exit 1
27fi
28# Ensure the nfs-export-dir is an absolute path
29NFS_EXPORT_DIR=$(cd "$2" && pwd)
30
31SYSROOT_SETUP_SCRIPT=`which oe-find-native-sysroot 2> /dev/null`
32if [ -z "$SYSROOT_SETUP_SCRIPT" ]; then
33	echo "Error: Unable to find the oe-find-native-sysroot script"
34	echo "Did you forget to source your build environment setup script?"
35	exit 1
36fi
37. $SYSROOT_SETUP_SCRIPT meta-ide-support
38
39if [ ! -e "$OECORE_NATIVE_SYSROOT/usr/bin/unfsd" ]; then
40	echo "Error: Unable to find unfsd binary in $OECORE_NATIVE_SYSROOT/usr/bin/"
41
42	if [ "x$OECORE_DISTRO_VERSION" = "x" ]; then
43		echo "Have you run 'bitbake meta-ide-support'?"
44	else
45		echo "This shouldn't happen - something is missing from your toolchain installation"
46	fi
47	exit 1
48fi
49
50if [ ! -d ~/.runqemu-sdk ]; then
51	mkdir -p ~/.runqemu-sdk
52fi
53
54NFS_INSTANCE=${NFS_INSTANCE:=0}
55EXPORTS=~/.runqemu-sdk/exports$NFS_INSTANCE
56RMTAB=~/.runqemu-sdk/rmtab$NFS_INSTANCE
57NFSPID=~/.runqemu-sdk/nfs$NFS_INSTANCE.pid
58MOUNTPID=~/.runqemu-sdk/mount$NFS_INSTANCE.pid
59
60PSEUDO_OPTS="-P $OECORE_NATIVE_SYSROOT/usr"
61PSEUDO_LOCALSTATEDIR="$NFS_EXPORT_DIR/../$(basename $NFS_EXPORT_DIR).pseudo_state"
62export PSEUDO_LOCALSTATEDIR
63
64if [ ! -d "$PSEUDO_LOCALSTATEDIR" ]; then
65	echo "Error: $PSEUDO_LOCALSTATEDIR does not exist."
66	echo "Did you create the export directory using runqemu-extract-sdk?"
67	exit 1
68fi
69
70# NFS server port number
71NFSD_PORT=${NFSD_PORT:=$[ 3049 + 2 * $NFS_INSTANCE ]}
72# mountd port number
73MOUNTD_PORT=${MOUNTD_PORT:=$[ 3048 + 2 * $NFS_INSTANCE ]}
74
75## For debugging you would additionally add
76## --debug all
77UNFSD_OPTS="-p -N -i $NFSPID -e $EXPORTS -n $NFSD_PORT -m $MOUNTD_PORT"
78
79# See how we were called.
80case "$1" in
81  start)
82	PORTMAP_RUNNING=`ps -ef | grep portmap | grep -v grep`
83	RPCBIND_RUNNING=`ps -ef | grep rpcbind | grep -v grep`
84	if [[ "x$PORTMAP_RUNNING" = "x" && "x$RPCBIND_RUNNING" = "x" ]]; then
85		echo "======================================================="
86		echo "Error: neither rpcbind nor portmap appear to be running"
87		echo "Please install and start one of these services first"
88		echo "======================================================="
89		echo "Tip: for recent Ubuntu hosts, run:"
90		echo "  sudo apt-get install rpcbind"
91		echo "Then add OPTIONS=\"-i -w\"  to /etc/default/rpcbind and run"
92		echo "  sudo service portmap restart"
93
94		exit 1
95	fi
96
97	echo "Creating exports file..."
98	echo "$NFS_EXPORT_DIR (rw,no_root_squash,no_all_squash,insecure)" > $EXPORTS
99
100	echo "Starting User Mode nfsd"
101	echo "  $PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/bin/unfsd $UNFSD_OPTS"
102	$PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/bin/unfsd $UNFSD_OPTS
103	if [ ! $? = 0 ]; then
104		echo "Error starting nfsd"
105		exit 1
106	fi
107	# Check to make sure everything started ok.
108	if [ ! -f $NFSPID ]; then
109		echo "rpc.nfsd did not start correctly"
110		exit 1
111	fi
112	ps -fp `cat $NFSPID` > /dev/null 2> /dev/null
113	if [ ! $? = 0 ]; then
114		echo "rpc.nfsd did not start correctly"
115		exit 1
116	fi
117	echo " "
118	echo "On your target please remember to add the following options for NFS"
119	echo "nfsroot=IP_ADDRESS:$NFS_EXPORT_DIR,nfsvers=3,port=$NFSD_PORT,udp,mountport=$MOUNTD_PORT"
120	;;
121  stop)
122	if [ -f "$NFSPID" ]; then
123		echo "Stopping rpc.nfsd"
124		kill `cat $NFSPID`
125		rm -f $NFSPID
126	else
127		echo "No PID file, not stopping rpc.nfsd"
128	fi
129	if [ -f "$EXPORTS" ]; then
130		echo "Removing exports file"
131		rm -f $EXPORTS
132	fi
133	;;
134  restart)
135	$0 stop $NFS_EXPORT_DIR
136	$0 start $NFS_EXPORT_DIR
137	if [ ! $? = 0 ]; then
138		exit 1
139	fi
140	;;
141  *)
142	echo "$0 {start|stop|restart} <nfs-export-dir>"
143	;;
144esac
145
146exit 0
147