summaryrefslogtreecommitdiff
path: root/scripts/runqemu-export-rootfs
blob: 2d879961d08d59315b527bdce202876f1df2cda5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
#!/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} <nfs-export-dir>"
}

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

if [[ "$1" != "start" && "$1" != "stop" && "$1" != "restart" ]]; 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
UNFSD_OPTS="-p -N -i $NFSPID -e $EXPORTS -x $NFS_NFSPROG -n $NFS_PORT -y $NFS_MOUNTPROG -m $MOUNT_PORT"

# 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 "$1" in
  start)
	PORTMAP_RUNNING=`ps -ef | grep portmap | grep -v grep`
	RPCBIND_RUNNING=`ps -ef | grep rpcbind | grep -v grep`
	if [[ "x$PORTMAP_RUNNING" = "x" && "x$RPCBIND_RUNNING" = "x" ]]; 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 nfsd"
	echo "  $PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/sbin/unfsd $UNFSD_OPTS"
	$PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/sbin/unfsd $UNFSD_OPTS
	if [ ! $? = 0 ]; then
		echo "Error starting nfsd"
		exit 1
	fi
	 Check to make sure everything started ok.
	if [ ! -f $NFSPID ]; then
		echo "rpc.nfsd 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=3,port=$NFSD_PORT,mountprog=$MOUNTD_RPCPORT,nfsprog=$NFSD_RPCPORT,udp,mountport=$MOUNTD_PORT"
	;;
  stop)
	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} <nfs-export-dir>"
	;;
esac

exit 0