253 lines
5.5 KiB
Bash
253 lines
5.5 KiB
Bash
#!/bin/sh
|
|
#
|
|
# DESCRIBE 2.2 - Describe the given devices. Author: Kees J. Bot
|
|
#
|
|
# BUGS
|
|
# - Arguments may not contain shell metacharacters.
|
|
|
|
case $# in
|
|
0) flag=; set -$- /dev ;;
|
|
*) flag=d ;;
|
|
esac
|
|
|
|
ls -l$flag $* | \
|
|
sed -e '/^total/d' \
|
|
-e '/^l/d' \
|
|
-e '/^[^bc]/s/.* /BAD BAD /' \
|
|
-e '/^[bc]/s/.* \([0-9][0-9]*\), *\([0-9][0-9]*\).* /\1 \2 /' \
|
|
| {
|
|
ex=0 # exit code
|
|
|
|
while read major minor path
|
|
do
|
|
case $path in
|
|
/*) name=`expr $path : '.*/\\(.*\\)$'`
|
|
;;
|
|
*) name=$path
|
|
esac
|
|
dev= des=
|
|
|
|
case $major in # One of the controllers? What is its controller nr?
|
|
3) ctrlr=0 ;;
|
|
8) ctrlr=1 ;;
|
|
10) ctrlr=2 ;;
|
|
12) ctrlr=3 ;;
|
|
esac
|
|
|
|
case $major,$minor in
|
|
1,0) des="RAM disk" dev=ram
|
|
;;
|
|
1,1) des="memory" dev=mem
|
|
;;
|
|
1,2) des="kernel memory" dev=kmem
|
|
;;
|
|
1,3) des="null device, data sink" dev=null
|
|
;;
|
|
1,4) des="boot device loaded from boot image" dev=boot
|
|
;;
|
|
1,5) des="null byte stream generator" dev=zero
|
|
;;
|
|
1,6) des="boot image RAM disk" dev=imgrd
|
|
;;
|
|
1,[789]|1,1[012])
|
|
ramdisk=`expr $minor - 7`
|
|
des="RAM disk $ramdisk" dev=ram$ramdisk
|
|
;;
|
|
2,*) drive=`expr $minor % 4`
|
|
case `expr $minor - $drive` in
|
|
0) des='auto density' dev="fd$drive"
|
|
;;
|
|
4) des='360k, 5.25"' dev="pc$drive"
|
|
;;
|
|
8) des='1.2M, 5.25"' dev="at$drive"
|
|
;;
|
|
12) des='360k in 720k, 5.25"' dev="qd$drive"
|
|
;;
|
|
16) des='720k, 3.5"' dev="ps$drive"
|
|
;;
|
|
20) des='360k in 1.2M, 5.25"' dev="pat$drive"
|
|
;;
|
|
24) des='720k in 1.2M, 5.25"' dev="qh$drive"
|
|
;;
|
|
28) des='1.44M, 3.5"' dev="PS$drive"
|
|
;;
|
|
112) des='auto partition 0' dev="fd${drive}p0"
|
|
;;
|
|
116) des='auto partition 1' dev="fd${drive}p1"
|
|
;;
|
|
120) des='auto partition 2' dev="fd${drive}p2"
|
|
;;
|
|
124) des='auto partition 3' dev="fd${drive}p3"
|
|
;;
|
|
*) dev=BAD
|
|
esac
|
|
des="floppy drive $drive ($des)"
|
|
;;
|
|
[38],[05]|[38],[123][05]|1[02],[05]|1[02],[123][05])
|
|
drive=`expr $minor / 5`
|
|
des="controller $ctrlr disk $drive" dev=c${ctrlr}d${drive}
|
|
;;
|
|
[38],?|[38],[123]?|1[02],?|1[02],[123]?)
|
|
drive=`expr $minor / 5`
|
|
par=`expr $minor % 5 - 1`
|
|
des="controller $ctrlr disk $drive partition $par"
|
|
dev=c${ctrlr}d${drive}p${par}
|
|
;;
|
|
[38],12[89]|[38],1[3-9]?|[38],2??|1[02],12[89]|1[02],1[3-9]?|1[02],2??)
|
|
drive=`expr \\( $minor - 128 \\) / 16`
|
|
par=`expr \\( \\( $minor - 128 \\) / 4 \\) % 4`
|
|
sub=`expr \\( $minor - 128 \\) % 4`
|
|
des="hard disk $drive, partition $par, subpartition $sub"
|
|
des="controller $ctrlr disk $drive partition $par slice $sub"
|
|
#par=`expr $drive '*' 5 + $par`
|
|
dev=c${ctrlr}d${drive}p${par}s${sub}
|
|
;;
|
|
[38],6[4-9]|[38],7?|1[02],6[4-9]|1[02],7?)
|
|
tape=`expr \\( $minor - 64 \\) / 2`
|
|
case $minor in
|
|
*[02468])
|
|
des="controller $ctrlr tape $tape (non-rewinding)"
|
|
dev=c${ctrlr}t${tape}n
|
|
;;
|
|
*[13579])
|
|
des="controller $ctrlr tape $tape (rewinding)"
|
|
dev=c${ctrlr}t${tape}
|
|
esac
|
|
;;
|
|
4,0) des="console device" dev=console
|
|
;;
|
|
4,[1-7])des="virtual console $minor" dev=ttyc$minor
|
|
;;
|
|
4,15) des="diagnostics device" dev=log
|
|
;;
|
|
4,1[6-9])
|
|
line=`expr $minor - 16`
|
|
des="serial line $line" dev=tty0$line
|
|
;;
|
|
4,125) des="video output" dev=video
|
|
;;
|
|
5,0) des="anonymous tty" dev=tty
|
|
;;
|
|
6,0) des="line printer, parallel port" dev=lp
|
|
;;
|
|
7,*)
|
|
d=`expr $minor % 8`
|
|
n=`expr $minor / 8`
|
|
case $d in
|
|
0) des="IP stat" dev=ipstat
|
|
;;
|
|
1) case $name in
|
|
psip*)
|
|
des="Pseudo IP #$n" dev=psip
|
|
;;
|
|
*) des="raw ethernet #$n" dev=eth
|
|
esac
|
|
;;
|
|
2) des="raw IP #$n" dev=ip
|
|
;;
|
|
3) des="TCP/IP #$n" dev=tcp
|
|
;;
|
|
4) des="UDP #$n" dev=udp
|
|
esac
|
|
case $d in
|
|
[0123])
|
|
if [ "$name" = "$dev" ]
|
|
then
|
|
des="$des (default)"
|
|
else
|
|
dev=$dev$n
|
|
fi
|
|
esac
|
|
;;
|
|
9,12[89]|9,1[3-8]?|9,19[01])
|
|
p=`expr \\( $minor - 128 \\) / 16 | tr '0123' 'pqrs'`
|
|
n=`expr $minor % 16`
|
|
test $n -ge 10 && n=`expr $n - 10 | tr '012345' 'abcdef'`
|
|
des="pseudo tty `expr $minor - 128`" dev=tty$p$n
|
|
;;
|
|
9,???)
|
|
p=`expr \\( $minor - 192 \\) / 16 | tr '0123' 'pqrs'`
|
|
n=`expr $minor % 16`
|
|
test $n -ge 10 && n=`expr $n - 10 | tr '012345' 'abcdef'`
|
|
des="controller of tty$p$n" dev=pty$p$n
|
|
;;
|
|
11,0)
|
|
des="block filter" dev=filter
|
|
;;
|
|
13,0)
|
|
des="audio" dev=audio
|
|
;;
|
|
14,0)
|
|
des="faulty block device driver" dev=fbd
|
|
;;
|
|
15,0)
|
|
des="kernel log" dev=klog
|
|
;;
|
|
16,0)
|
|
des="pseudo random number generator" dev=urandom
|
|
;;
|
|
17,0)
|
|
des="hello" dev=hello
|
|
;;
|
|
18,0)
|
|
des="UNIX domain socket" dev=uds
|
|
;;
|
|
5[6-9],0|6[0-3],0)
|
|
drive=`expr $major - 56`
|
|
des="vnode disk $drive" dev=vnd$drive
|
|
;;
|
|
5[6-9],[1-4]|6[0-3],[1-4])
|
|
drive=`expr $major - 56`
|
|
par=`expr $minor - 1`
|
|
des="vnode disk $drive partition $par" dev=vnd${drive}p${par}
|
|
;;
|
|
5[6-9],12[89]|5[6-9],13[0-9]|5[6-9],14[0-3]|6[0-3],12[89]|5[6-9],13[0-9]|5[6-9],14[0-3])
|
|
drive=`expr $major - 56`
|
|
par=`expr \\( \\( $minor - 128 \\) / 4 \\) % 4`
|
|
sub=`expr \\( $minor - 128 \\) % 4`
|
|
des="vnode disk $drive partition $par slice $sub"
|
|
dev=vnd${drive}p${par}s${sub}
|
|
;;
|
|
64,0)
|
|
des="keyboard input multiplexer"
|
|
dev=kbdmux
|
|
;;
|
|
64,[1-4])
|
|
n=`expr $minor - 1`
|
|
des="keyboard input $n"
|
|
dev=kbd$n
|
|
;;
|
|
64,64)
|
|
des="mouse input multiplexer"
|
|
dev=mousemux
|
|
;;
|
|
64,6[5-8])
|
|
n=`expr $minor - 65`
|
|
des="mouse input $n"
|
|
dev=mouse$n
|
|
;;
|
|
BAD,BAD)
|
|
des= dev=
|
|
;;
|
|
*) dev=BAD
|
|
esac
|
|
|
|
case $name:$dev in
|
|
*:)
|
|
echo "$path: not a device" >&2
|
|
ex=1
|
|
;;
|
|
*:*BAD*)
|
|
echo "$path: cannot describe: major=$major, minor=$minor" >&2
|
|
ex=1
|
|
;;
|
|
$dev:*)
|
|
echo "$path: $des"
|
|
;;
|
|
*:*) echo "$path: nonstandard name for $dev: $des"
|
|
esac
|
|
done
|
|
|
|
exit $ex
|
|
}
|