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freebsd-dev/usr.sbin/lsdev/lsdev.8

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Changed an LSDEV 1 to LSDEV 8 .
1994-12-12 00:35:01 +00:00
.\" $Id: lsdev.8,v 1.2 1994/10/23 21:33:55 wollman Exp $
lsdev(8), a user-land utility to query the device configuration database managed by kern_devconf.c. A useful feature is that the following script generates almost well-formed config-file lines for all ISA devices in the system: lsdev -t isa | awk '{ print "device $0" }' lsdev -t disk | awk '{ print "disk $0" }'
1994-10-17 23:26:10 +00:00
.\" Garrett A. Wollman, October 1994
.\" This file is in the public domain.
.\"
.Dd October 17, 1994
Changed an LSDEV 1 to LSDEV 8 .
1994-12-12 00:35:01 +00:00
.Dt LSDEV 8
lsdev(8), a user-land utility to query the device configuration database managed by kern_devconf.c. A useful feature is that the following script generates almost well-formed config-file lines for all ISA devices in the system: lsdev -t isa | awk '{ print "device $0" }' lsdev -t disk | awk '{ print "disk $0" }'
1994-10-17 23:26:10 +00:00
.Os
.Sh NAME
.Nm lsdev
.Nd list configured devices
.Sh SYNOPSIS
.Nm lsdev
.Op Fl t Ar type
Updated to latest kernel code. Also provided a friendlier output format, which is enabled by default (use `-c' to get the old format). The new format looks like this (only the values are correct; this was taken on my machine with a slightly old kernel): Device St Parent Description ---------- -- ---------- -------------------------------------------------- isa0 NC - sc0 NC isa0 Parallel printer adapter ed0 NC isa0 SMC8216/SMC8216C sio0 NC isa0 RS-232 serial port sio1 NC isa0 RS-232 serial port fdc0 NC isa0 floppy disk/tape controller fd0 NC fdc0 floppy disk wdc0 NC isa0 ST506/ESDI/IDE disk controller wd0 NC wdc0 ST506/ESDI/IDE disk npx0 NC isa0 Floating-point unit Note that many of these fields could be made more informative; I tried to make my changes as unintrusive as possible. See the `mcd' driver for an example of one which actually does something with the `state' field.
1994-10-23 21:33:57 +00:00
.Op Fl cv
lsdev(8), a user-land utility to query the device configuration database managed by kern_devconf.c. A useful feature is that the following script generates almost well-formed config-file lines for all ISA devices in the system: lsdev -t isa | awk '{ print "device $0" }' lsdev -t disk | awk '{ print "disk $0" }'
1994-10-17 23:26:10 +00:00
.Op Ar class Ns Op unit
.Sh DESCRIPTION
The
.Nm lsdev
utility lists devices configured in the current system, in a
machine-dependent manner. The
.Fl t
flag can be used to restrict the listing to a specific
.Ar type
of device;
the types available vary from machine to machine. (Specifying an
invalid type will cause a list of valid types to be printed.) The
.Fl v
Updated to latest kernel code. Also provided a friendlier output format, which is enabled by default (use `-c' to get the old format). The new format looks like this (only the values are correct; this was taken on my machine with a slightly old kernel): Device St Parent Description ---------- -- ---------- -------------------------------------------------- isa0 NC - sc0 NC isa0 Parallel printer adapter ed0 NC isa0 SMC8216/SMC8216C sio0 NC isa0 RS-232 serial port sio1 NC isa0 RS-232 serial port fdc0 NC isa0 floppy disk/tape controller fd0 NC fdc0 floppy disk wdc0 NC isa0 ST506/ESDI/IDE disk controller wd0 NC wdc0 ST506/ESDI/IDE disk npx0 NC isa0 Floating-point unit Note that many of these fields could be made more informative; I tried to make my changes as unintrusive as possible. See the `mcd' driver for an example of one which actually does something with the `state' field.
1994-10-23 21:33:57 +00:00
flag requests more verbose output. The
.Fl c
flag requests output in a format similar to the input of
.Xr config 8 .
The optional
lsdev(8), a user-land utility to query the device configuration database managed by kern_devconf.c. A useful feature is that the following script generates almost well-formed config-file lines for all ISA devices in the system: lsdev -t isa | awk '{ print "device $0" }' lsdev -t disk | awk '{ print "disk $0" }'
1994-10-17 23:26:10 +00:00
.Ar class
argument requests information on a particular class of devices (e.g.,
.Dq Li wdc
or
.No Do Li ie Dc Ns ).
If no
.Ar unit
is specified, all units of the specified class will be listed.
.Pp
The
.Xr sysctl 3
mechanism is used to retrieve information from the kernel about which
devices are configured.
.Sh FILES
.Bl -tag -width <machine/devconf.h>
.It Aq sys/devconf.h
defines the structure examined by
.Nm
.It Aq machine/devconf.h
defines the machine-dependent parts of the structure, including the
supported device type names
.El
.Sh SEE ALSO
.\" .Xr chdev 8
.Xr sysctl 3
.Sh BUGS
Not all devices have the proper support implmented yet.
.Sh HISTORY
An
.Nm
comand appeared in
.Tn FreeBSD
2.0.
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