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05149ed5 AM |
1 | #!/bin/sh |
2 | # | |
3 | # start_udev | |
4 | # | |
5 | # script to initialize /dev by using udev. | |
6 | # | |
7 | # Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com> | |
8 | # | |
9 | # Released under the GPL v2 only. | |
10 | # | |
11 | # This needs to be run at the earliest possible point in the boot | |
12 | # process. | |
13 | # | |
14 | # Based on the udev init.d script | |
15 | # | |
16 | # Thanks go out to the Gentoo developers for proving | |
17 | # that this is possible to do. | |
18 | # | |
19 | # Yes, it's very verbose, feel free to turn off all of the echo calls, | |
20 | # they were there to make me feel better that everything was working | |
21 | # properly during development... | |
940e3565 ER |
22 | |
23 | # default value, if no config present. | |
24 | udev_root="/dev/" | |
b44e0a3d | 25 | sysfs_dir="/sys" |
01129224 | 26 | udev_db="/dev/.udevdb" |
940e3565 | 27 | |
05149ed5 | 28 | # don't use udev if sysfs is not mounted. |
dda87135 | 29 | [ -d $sysfs_dir/class ] || exit 1 |
05149ed5 AM |
30 | [ -r /proc/mounts ] || exit 1 |
31 | [ -x /sbin/udev ] || exit 1 | |
32 | [ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf | |
33 | ||
401263e1 | 34 | . /etc/rc.d/init.d/functions |
05149ed5 AM |
35 | |
36 | prog=udev | |
05149ed5 AM |
37 | bin=/sbin/udev |
38 | udevd=/sbin/udevd | |
39 | MAKEDEV="/sbin/MAKEDEV" | |
40 | ||
41 | make_extra_nodes () { | |
42 | ln -snf /proc/self/fd $udev_root/fd | |
43 | ln -snf /proc/self/fd/0 $udev_root/stdin | |
44 | ln -snf /proc/self/fd/1 $udev_root/stdout | |
45 | ln -snf /proc/self/fd/2 $udev_root/stderr | |
46 | ln -snf /proc/kcore $udev_root/core | |
47 | ||
120a2def AM |
48 | [ -d $udev_root/pts ] || mkdir -m 0755 $udev_root/pts |
49 | [ -d $udev_root/shm ] || mkdir -m 0755 $udev_root/shm | |
05149ed5 AM |
50 | |
51 | if [ -x $MAKEDEV ]; then | |
52 | $MAKEDEV -x $( | |
05149ed5 AM |
53 | for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do |
54 | echo cpu/$i/microcode; | |
55 | done; | |
6ba94d68 AM |
56 | for i in 1 2 3 4 5 6; do echo tty$i;done; |
57 | for i in 0 1 2 3 4 5 6 7; do echo loop$i; done; | |
d8394a8d | 58 | for i in 0 1 2 3; do echo lp$i; echo parport$i;done; |
6ba94d68 | 59 | echo net/tun ppp console null zero; |
05149ed5 | 60 | ); |
bf62c441 | 61 | [ -a /dev/MAKEDEV ] || ln -sf "$MAKEDEV" /dev/MAKEDEV; |
6ba94d68 | 62 | cp -a /etc/udev/devices/* /dev/ >/dev/null 2>&1 || : |
05149ed5 AM |
63 | fi |
64 | } | |
65 | ||
d8394a8d AM |
66 | kill_udevd() { |
67 | if [ -x /sbin/pidof ]; then | |
68 | pid=`/sbin/pidof -x udevd` | |
69 | [ -n "$pid" ] && kill $pid | |
70 | fi | |
71 | } | |
72 | ||
6ba94d68 AM |
73 | # we cannot use /usr/bin/find here |
74 | find_d () { | |
84853a2e ER |
75 | where=$1 |
76 | what=$2 | |
77 | found="" | |
78 | for f in $where/*; do | |
79 | if [ -d "$f" -a ! -L "$f" ]; then | |
6ba94d68 | 80 | if [ "$f" != "${f%%$what}" ];then |
84853a2e ER |
81 | # make sure we are at the path end |
82 | # we have no dirname and basename | |
6ba94d68 AM |
83 | rest="${f#*$what}" |
84 | [ "${rest##*/}" = "$rest" ] && found="$found $f" | |
85 | fi | |
84853a2e ER |
86 | found="$found $(find_d $f $what)" |
87 | fi | |
88 | done | |
89 | echo "$found" | |
05149ed5 AM |
90 | } |
91 | ||
6ba94d68 AM |
92 | # we cannot use /usr/bin/find here |
93 | find_f () { | |
94 | where=$1 | |
95 | what=$2 | |
96 | found="" | |
97 | for f in $where/*; do | |
98 | if [ -d "$f" -a ! -L "$f" ]; then | |
99 | found="$found $(find_f $f $what)" | |
100 | elif [ -e "$f" ]; then | |
120a2def | 101 | [ "$where/" = "${f%$what}" ] && found="$found $f" |
6ba94d68 AM |
102 | fi |
103 | done | |
120a2def | 104 | [ -n "$found" ] && echo "$found" |
05149ed5 | 105 | } |
05149ed5 | 106 | |
6ba94d68 AM |
107 | # call hotplug with the scsi devices |
108 | scsi_replay () { | |
84853a2e | 109 | HOTPLUG="/sbin/udevsend" |
6ba94d68 | 110 | |
84853a2e ER |
111 | scsi_hosts=$(find_d /sys/devices host\*) |
112 | SEQNUM=1 | |
6ba94d68 | 113 | |
84853a2e ER |
114 | for host in $scsi_hosts; do |
115 | [ -d $host ] || continue | |
116 | devs=$(find_f $host type) | |
117 | for dev in $devs;do | |
118 | [ -f $dev ] || continue | |
120a2def | 119 | DEVPATH=${dev%/type} |
84853a2e ER |
120 | DEVPATH=${DEVPATH#/sys} |
121 | /bin/env -i DEVPATH="$DEVPATH" SUBSYSTEM=scsi_device ACTION=add $HOTPLUG scsi_device | |
122 | /bin/env -i DEVPATH="$DEVPATH" ACTION=add SUBSYSTEM=scsi $HOTPLUG scsi | |
123 | done | |
124 | done | |
125 | return 0 | |
6ba94d68 | 126 | } |
05149ed5 | 127 | |
d8394a8d AM |
128 | ide_scan() { |
129 | if [ ! -d /proc/ide ]; then | |
130 | return 1 | |
131 | fi | |
132 | for i in /proc/ide/*/media; do | |
133 | read media < "$i" | |
134 | case "$media" in | |
135 | disk) | |
136 | module=ide-disk | |
137 | ;; | |
138 | cdrom) | |
139 | module=ide-cd | |
140 | ;; | |
141 | tape) | |
142 | module=ide-tape | |
143 | ;; | |
144 | floppy) | |
145 | module=ide-floppy | |
146 | ;; | |
147 | *) | |
148 | module=ide-generic | |
149 | ;; | |
150 | esac | |
151 | /sbin/modprobe $module | |
152 | done | |
153 | return 0 | |
154 | } | |
155 | ||
05149ed5 | 156 | export ACTION=add |
6ba94d68 AM |
157 | prog=udev |
158 | ret=0 | |
159 | nls "Starting udev" | |
120a2def AM |
160 | |
161 | # mount the tmpfs on ${udev_root%/}, if not already done | |
162 | LANG=C awk "\$2 == \"${udev_root%/}\" && \$3 == \"tmpfs\" { exit 1 }" /proc/mounts && { | |
84853a2e | 163 | if LANG=C fgrep -q "none ${udev_root%/}/pts " /proc/mounts; then |
5cccdef0 | 164 | PTSDIR=$(mktemp -d ${TMPDIR:-/tmp}/tmpXXXXXX) |
84853a2e ER |
165 | mount --move $udev_root/pts "$PTSDIR" |
166 | fi | |
167 | if LANG=C fgrep -q "none ${udev_root%/}/shm " /proc/mounts; then | |
5cccdef0 | 168 | SHMDIR=$(mktemp -d ${TMPDIR:-/tmp}/tmpXXXXXX) |
84853a2e ER |
169 | mount --move $udev_root/shm "$SHMDIR" |
170 | fi | |
171 | mount -n -o mode=0755 -t tmpfs none "$udev_root" | |
172 | mkdir -m 0755 $udev_root/pts | |
173 | mkdir -m 0755 $udev_root/shm | |
174 | if [ -n "$PTSDIR" ]; then | |
175 | mount --move "$PTSDIR" $udev_root/pts | |
176 | rmdir "$PTSDIR" | |
177 | fi | |
178 | if [ -n "$SHMDIR" ]; then | |
179 | mount --move "$SHMDIR" $udev_root/shm | |
180 | rmdir "$SHMDIR" | |
181 | fi | |
182 | ||
183 | ret=$(( $ret + $? )) | |
6ba94d68 | 184 | } |
120a2def | 185 | |
01129224 | 186 | rm -fr "$udev_db" |
6ba94d68 | 187 | make_extra_nodes |
120a2def AM |
188 | kill_udevd > "$udev_root/null" 2>&1 |
189 | scsi_replay > "$udev_root/null" 2>&1 | |
190 | ret=$(( $ret + $? )) | |
191 | ide_scan > "$udev_root/null" 2>&1 | |
6ba94d68 | 192 | /sbin/udevstart |
120a2def | 193 | ret=$(( $ret + $? )) |
6ba94d68 | 194 | [ $ret -eq 0 ] && ok || fail |
05149ed5 | 195 | exit 0 |