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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... | |
22 | # | |
23 | # don't use udev if sysfs is not mounted. | |
24 | [ ! -d $sysfs_dir/class ] || exit 1 | |
25 | [ -r /proc/mounts ] || exit 1 | |
26 | [ -x /sbin/udev ] || exit 1 | |
27 | [ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf | |
28 | ||
29 | ||
401263e1 | 30 | . /etc/rc.d/init.d/functions |
05149ed5 AM |
31 | |
32 | prog=udev | |
33 | sysfs_dir=/sys | |
34 | bin=/sbin/udev | |
35 | udevd=/sbin/udevd | |
36 | MAKEDEV="/sbin/MAKEDEV" | |
37 | ||
38 | make_extra_nodes () { | |
39 | ln -snf /proc/self/fd $udev_root/fd | |
40 | ln -snf /proc/self/fd/0 $udev_root/stdin | |
41 | ln -snf /proc/self/fd/1 $udev_root/stdout | |
42 | ln -snf /proc/self/fd/2 $udev_root/stderr | |
43 | ln -snf /proc/kcore $udev_root/core | |
44 | ||
45 | [ -d $udev_root/pts ] || (mkdir $udev_root/pts;chmod 0755 $udev_root/pts) | |
46 | [ -d $udev_root/shm ] || (mkdir $udev_root/shm;chmod 0755 $udev_root/shm) | |
47 | ||
48 | if [ -x $MAKEDEV ]; then | |
49 | $MAKEDEV -x $( | |
05149ed5 AM |
50 | for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do |
51 | echo cpu/$i/microcode; | |
52 | done; | |
6ba94d68 AM |
53 | for i in 1 2 3 4 5 6; do echo tty$i;done; |
54 | for i in 0 1 2 3 4 5 6 7; do echo loop$i; done; | |
55 | for i in 0 1 2 3; do echo lp$i; echo par$i;done; | |
56 | echo net/tun ppp console null zero; | |
05149ed5 AM |
57 | ); |
58 | [ -a /dev/MAKEDEV ] || ln -s $MAKEDEV /dev/MAKEDEV; | |
6ba94d68 | 59 | cp -a /etc/udev/devices/* /dev/ >/dev/null 2>&1 || : |
05149ed5 AM |
60 | fi |
61 | } | |
62 | ||
6ba94d68 AM |
63 | # we cannot use /usr/bin/find here |
64 | find_d () { | |
65 | where=$1 | |
66 | what=$2 | |
67 | found="" | |
68 | for f in $where/*; do | |
69 | if [ -d "$f" -a ! -L "$f" ]; then | |
70 | if [ "$f" != "${f%%$what}" ];then | |
71 | # make sure we are at the path end | |
72 | # we have no dirname and basename | |
73 | rest="${f#*$what}" | |
74 | [ "${rest##*/}" = "$rest" ] && found="$found $f" | |
75 | fi | |
76 | found="$found $(find_d $f $what)" | |
77 | fi | |
78 | done | |
79 | echo "$found" | |
05149ed5 AM |
80 | } |
81 | ||
6ba94d68 AM |
82 | # we cannot use /usr/bin/find here |
83 | find_f () { | |
84 | where=$1 | |
85 | what=$2 | |
86 | found="" | |
87 | for f in $where/*; do | |
88 | if [ -d "$f" -a ! -L "$f" ]; then | |
89 | found="$found $(find_f $f $what)" | |
90 | elif [ -e "$f" ]; then | |
91 | [ "$f" != "${f%$what}" ] && found="$found $f" | |
92 | fi | |
93 | done | |
94 | echo "$found" | |
05149ed5 | 95 | } |
05149ed5 | 96 | |
6ba94d68 AM |
97 | # call hotplug with the scsi devices |
98 | scsi_replay () { | |
99 | HOTPLUG=$(cat /proc/sys/kernel/hotplug) | |
100 | [ -z "$HOTPLUG" ] && return 1 | |
101 | ||
102 | scsi_hosts=$(find_d /sys/devices host\*) | |
103 | SEQNUM=1 | |
104 | ||
105 | for host in $scsi_hosts; do | |
106 | [ -d $host ] || continue | |
107 | devs=$(find_f $host type) | |
108 | for dev in $devs;do | |
109 | [ -f $dev ] || continue | |
110 | export SEQNUM | |
111 | DEVPATH=${dev%/type} | |
112 | DEVPATH=${DEVPATH#/sys} | |
113 | export DEVPATH | |
114 | export ACTION=add | |
115 | $HOTPLUG scsi_device | |
e993d7ee | 116 | SEQNUM=$(($SEQNUM + 1)) |
6ba94d68 | 117 | $HOTPLUG scsi |
e993d7ee | 118 | SEQNUM=$(($SEQNUM + 1)) |
6ba94d68 AM |
119 | done |
120 | done | |
121 | return 0 | |
122 | } | |
05149ed5 AM |
123 | |
124 | export ACTION=add | |
125 | export UDEV_NO_SLEEP=1 | |
6ba94d68 AM |
126 | prog=udev |
127 | ret=0 | |
128 | nls "Starting udev" | |
05149ed5 | 129 | # propagate $udev_root from /sys |
6ba94d68 AM |
130 | grep -q "none ${udev_root%/} " /proc/mounts || { |
131 | mount -n -o mode=0755 -t tmpfs none "$udev_root" | |
132 | ret=$(($ret + $?)) | |
133 | } | |
134 | make_extra_nodes | |
135 | scsi_replay >/dev/null 2>&1 | |
136 | ret=$(($ret + $?)) | |
05149ed5 | 137 | rm -f $udev_root/.udev.tdb |
6ba94d68 AM |
138 | /sbin/udevstart |
139 | ret=$(($ret + $?)) | |
140 | [ $ret -eq 0 ] && ok || fail | |
05149ed5 | 141 | exit 0 |