2012-08-12 21:20:19 +04:00
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.\" $NetBSD: modstat.8,v 1.11 2012/08/12 17:20:19 wiz Exp $
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2008-01-16 15:34:50 +03:00
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.\"
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.\" Copyright (c) 1993 Christopher G. Demetriou
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed for the
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.\" NetBSD Project. See http://www.NetBSD.org/ for
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.\" information about NetBSD.
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.\" 4. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
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.\"
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2012-08-07 05:19:05 +04:00
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.Dd August 6, 2012
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2008-01-16 15:34:50 +03:00
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.Dt MODSTAT 8
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.Os
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.Sh NAME
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.Nm modstat
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.Nd display status of loaded kernel modules
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.Sh SYNOPSIS
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.Nm
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2012-08-07 05:19:05 +04:00
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.Op Fl Aaen
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2011-08-02 20:46:45 +04:00
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.Op Ar name
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2008-01-16 15:34:50 +03:00
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.Sh DESCRIPTION
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The
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.Nm
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2011-08-02 20:46:45 +04:00
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utility displays the status of any kernel modules present in the kernel.
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2008-01-16 15:34:50 +03:00
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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2012-08-07 05:19:05 +04:00
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.It Fl A
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Tells you whether or not modules can be autoloaded at the moment.
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2012-08-12 21:20:19 +04:00
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This option
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.Em does
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take into consideration the sysctl
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2012-08-07 05:19:05 +04:00
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.Li kern.module.autoload .
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.It Fl a
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Tells you whether or not modules can be autoloaded at the moment.
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2012-08-12 21:20:19 +04:00
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This option
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.Em does not
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take into consideration the sysctl
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2012-08-07 05:19:05 +04:00
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.Li kern.module.autoload .
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.It Fl e
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Tells you whether or not you may load a module at the moment.
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2008-01-16 15:34:50 +03:00
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.It Fl n Ar name
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Display the status of only the module with this name.
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2011-08-02 20:46:45 +04:00
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Please note that
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.Fl n
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is optional.
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2008-01-16 15:34:50 +03:00
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.El
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.Pp
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In addition to listing the currently loaded modules' name,
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the information reported by
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.Nm
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includes:
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.Pp
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.Bl -tag -width Loadaddr
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.It Li CLASS
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Module class, such as
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First part of secmodel cleanup and other misc. changes:
- Separate the suser part of the bsd44 secmodel into its own secmodel
and directory, pending even more cleanups. For revision history
purposes, the original location of the files was
src/sys/secmodel/bsd44/secmodel_bsd44_suser.c
src/sys/secmodel/bsd44/suser.h
- Add a man-page for secmodel_suser(9) and update the one for
secmodel_bsd44(9).
- Add a "secmodel" module class and use it. Userland program and
documentation updated.
- Manage secmodel count (nsecmodels) through the module framework.
This eliminates the need for secmodel_{,de}register() calls in
secmodel code.
- Prepare for secmodel modularization by adding relevant module bits.
The secmodels don't allow auto unload. The bsd44 secmodel depends
on the suser and securelevel secmodels. The overlay secmodel depends
on the bsd44 secmodel. As the module class is only cosmetic, and to
prevent ambiguity, the bsd44 and overlay secmodels are prefixed with
"secmodel_".
- Adapt the overlay secmodel to recent changes (mainly vnode scope).
- Stop using link-sets for the sysctl node(s) creation.
- Keep sysctl variables under nodes of their relevant secmodels. In
other words, don't create duplicates for the suser/securelevel
secmodels under the bsd44 secmodel, as the latter is merely used
for "grouping".
- For the suser and securelevel secmodels, "advertise presence" in
relevant sysctl nodes (sysctl.security.models.{suser,securelevel}).
- Get rid of the LKM preprocessor stuff.
- As secmodels are now modules, there's no need for an explicit call
to secmodel_start(); it's handled by the module framework. That
said, the module framework was adjusted to properly load secmodels
early during system startup.
- Adapt rump to changes: Instead of using empty stubs for securelevel,
simply use the suser secmodel. Also replace secmodel_start() with a
call to secmodel_suser_start().
- 5.99.20.
Testing was done on i386 ("release" build). Spearated module_init()
changes were tested on sparc and sparc64 as well by martin@ (thanks!).
Mailing list reference:
http://mail-index.netbsd.org/tech-kern/2009/09/25/msg006135.html
2009-10-02 22:50:12 +04:00
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"vfs", "driver", "exec", "misc" or "secmodel".
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2008-01-16 15:34:50 +03:00
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.It Li SOURCE
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Where the module was loaded from.
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2008-11-17 05:22:49 +03:00
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.Qq Dv builtin
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2008-01-16 15:34:50 +03:00
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indicates that the module was built into the running kernel.
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.Qq Dv boot
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indicates that the module was loaded during system bootstrap.
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.Qq Dv filesys
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indicates that the module was loaded from the file system.
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.It Li SIZE
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Size of the module in bytes.
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.It Li REFS
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Number of references held on the module.
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2010-03-05 21:51:22 +03:00
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Disabled builtin modules will show a count of \-1 here.
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2008-01-16 15:34:50 +03:00
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.It Li REQUIRES
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Additional modules that must be present.
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.El
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.Sh EXIT STATUS
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The
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.Nm
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utility exits with a status of 0 on success
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and with a nonzero status if an error occurs.
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.Sh SEE ALSO
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2010-12-14 19:23:59 +03:00
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.Xr module 7 ,
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2012-08-07 05:19:05 +04:00
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.Xr sysctl 7 ,
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2008-01-16 15:34:50 +03:00
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.Xr modload 8 ,
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.Xr modunload 8
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.Sh HISTORY
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The
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.Nm
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command was designed to be similar in functionality
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to the corresponding command in
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.Tn "SunOS 4.1.3" .
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