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<?xml version='1.0'?>
<!--*-nxml-*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<refentry id="modinfo">
<refentryinfo>
<title>modinfo</title>
<productname>kmod</productname>
<authorgroup>
<author>
<contrib>Developer</contrib>
<firstname>Jon</firstname>
<surname>Masters</surname>
<email>jcm@jonmasters.org</email>
</author>
<author>
<contrib>Developer</contrib>
<firstname>Lucas</firstname>
<surname>De Marchi</surname>
<email>lucas.demarchi@profusion.mobi</email>
</author>
</authorgroup>
</refentryinfo>
<refmeta>
<refentrytitle>modinfo</refentrytitle>
<manvolnum>8</manvolnum>
</refmeta>
<refnamediv>
<refname>modinfo</refname>
<refpurpose>Show information about a Linux Kernel module</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>modinfo</command>
<arg><option>-0</option></arg>
<arg><option>-F <replaceable>field</replaceable></option></arg>
<arg><option>-k <replaceable>kernel</replaceable></option></arg>
<arg rep='repeat'>modulename|filename</arg>
</cmdsynopsis>
<cmdsynopsis>
<command>modinfo -V</command>
</cmdsynopsis>
<cmdsynopsis>
<command>modinfo -h</command>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1><title>DESCRIPTION</title>
<para>
<command>modinfo</command> extracts information from the Linux Kernel
modules given on the command line. If the module name is not a filename,
then the
<filename>/lib/modules/</filename><replaceable>version</replaceable>
directory is searched, as is also done by
<citerefentry><refentrytitle>modprobe</refentrytitle><manvolnum>8</manvolnum></citerefentry>
when loading kernel modules.
</para>
<para>
<command>modinfo</command> by default lists each attribute of the module
in form <replaceable>fieldname</replaceable> :
<replaceable>value</replaceable>, for easy reading. The filename is
listed the same way (although it's not really an attribute).
</para>
<para>
This version of <command>modinfo</command> can understand modules of any
Linux Kernel architecture.
</para>
</refsect1>
<refsect1><title>OPTIONS</title>
<variablelist>
<varlistentry>
<term>
<option>-V</option>
<option>--version</option>
</term>
<listitem>
<para>
Print the modinfo version.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-F</option>
<option>--field</option>
</term>
<listitem>
<para>
Only print this field value, one per line. This is most useful for
scripts. Field names are case-insensitive. Common fields (which
may not be in every module) include <literal>author</literal>,
<literal>description</literal>, <literal>license</literal>,
<literal>parm</literal>, <literal>depends</literal>, and
<literal>alias</literal>. There are often multiple
<literal>parm</literal>, <literal>alias</literal> and
<literal>depends</literal> fields. The special field
<literal>filename</literal> lists the filename of the module.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-b <replaceable>basedir</replaceable></option>
<option>--basedir <replaceable>basedir</replaceable></option>
</term>
<listitem>
<para>
Root directory for modules, <filename>/</filename> by default.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-k <replaceable>kernel</replaceable></option>
</term>
<listitem>
<para>
Provide information about a kernel other than the running one. This
is particularly useful for distributions needing to extract
information from a newly installed (but not yet running) set of
kernel modules. For example, you wish to find which firmware files
are needed by various modules in a new kernel for which you must
make an initrd/initramfs image prior to booting.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-0</option>
<option>--null</option>
</term>
<listitem>
<para>
Use the ASCII zero character to separate field values, instead of a
new line. This is useful for scripts, since a new line can
theoretically appear inside a field.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-a</option>
<option>--author</option>
</term>
<term>
<option>-d</option>
<option>--description</option>
</term>
<term>
<option>-l</option>
<option>--license</option>
</term>
<term>
<option>-p</option>
<option>--parameters</option>
</term>
<term>
<option>-n</option>
<option>--filename</option>
</term>
<listitem>
<para>
These are shortcuts for <literal>author</literal>,
<literal>description</literal>, <literal>license</literal>.
<literal>parm</literal> and <literal>filename</literal>
respectively, to ease the transition from the old modutils
<command>modinfo</command>.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1><title>COPYRIGHT</title>
<para>
This manual page originally Copyright 2003, Rusty Russell, IBM
Corporation. Maintained by Jon Masters and others.
</para>
</refsect1>
<refsect1><title>SEE ALSO</title>
<para>
<citerefentry>
<refentrytitle>modprobe</refentrytitle><manvolnum>8</manvolnum>
</citerefentry>
</para>
</refsect1>
</refentry>
|
