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diff --git a/udevadm.xml b/udevadm.xml new file mode 100644 index 0000000000..0dd1570bd2 --- /dev/null +++ b/udevadm.xml @@ -0,0 +1,354 @@ +<?xml version='1.0'?> +<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<article> + <section> + <title>udevadm</title> + <refentry> + <refentryinfo> + <title>udevd</title> + <date>November 2007</date> + <productname>udev</productname> + </refentryinfo> + + <refmeta> + <refentrytitle>udevadm</refentrytitle> + <manvolnum>8</manvolnum> + <refmiscinfo class="version"></refmiscinfo> + </refmeta> + + <refnamediv> + <refname>udevadm</refname><refpurpose>udev management tool</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <cmdsynopsis> + <command>udevadm info <optional>options</optional></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm trigger <optional>options</optional></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm settle <optional>options</optional></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm control <optional>options</optional> <replaceable>instruction</replaceable></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm monitor <optional>options</optional></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm test <optional>options</optional> <replaceable>devpath</replaceable></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm version</command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm help</command> + </cmdsynopsis> + </refsynopsisdiv> + + <refsect1><title>DESCRIPTION</title> + <para>udevadm expects a command and command specific options. It + controls the runtime behavior of udev, request kernel events, + manages the event queue, and provides simple debugging mechanisms.</para> + </refsect1> + + <refsect1><title>OPTIONS</title> + + <refsect2><title>udevadm info</title> + <para>Queries the udev database for device information + stored in the udev database. It can also query the properties + of a device from its sysfs representation to help creating udev + rules that match this device.</para> + <variablelist> + <varlistentry> + <term><option>--query=<replaceable>type</replaceable></option></term> + <listitem> + <para>Query the database for specified type of device data. It needs the + <option>--path</option> or <option>--name</option> to identify the specified + device. Valid queries are: + <command>name</command>, <command>symlink</command>, <command>path</command>, + <command>env</command>, <command>all</command>.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--path=<replaceable>devpath</replaceable></option></term> + <listitem> + <para>The devpath of the device to query.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--name=<replaceable>node</replaceable></option></term> + <listitem> + <para>The name of the device node or a symlink to query</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--root</option></term> + <listitem> + <para>The udev root directory: <filename>/dev</filename>. If used in conjunction + with a <command>name</command> or <command>symlink</command> query, the + query returns the absolute path including the root directory.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--attribute-walk</option></term> + <listitem> + <para>Print all sysfs properties of the specified device that can be used + in udev rules to match the specified device. It prints all devices + along the chain, up to the root of sysfs that can be used in udev rules.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--export-db</option></term> + <listitem> + <para>Export the content of the udev database.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--version</option></term> + <listitem> + <para>Print version.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm trigger</title> + <para>Request kernel device uevents, usually used to replay events at system coldplug.</para> + <variablelist> + <varlistentry> + <term><option>--verbose</option></term> + <listitem> + <para>Print the list of devices which will be triggered.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--dry-run</option></term> + <listitem> + <para>Do not actually trigger the event.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--retry-failed</option></term> + <listitem> + <para>Trigger only the events which are failed during a previous run.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--action=<replaceable>action</replaceable></option></term> + <listitem> + <para>Type of event to be triggered. The default value is "add".</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--subsystem-match=<replaceable>subsystem</replaceable></option></term> + <listitem> + <para>Trigger events for devices which belong to a matching subsystem. This option + can be specified multiple times and supports shell style pattern matching.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--subsystem-nomatch=<replaceable>subsystem</replaceable></option></term> + <listitem> + <para>Do not trigger events for devices which belong to a matching subsystem. This option + can be specified multiple times and supports shell style pattern matching.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--attr-match=<replaceable>attribute=value</replaceable></option></term> + <listitem> + <para>Trigger events for devices with a matching sysfs attribute. If a value is specified + along with the attribute name, the content of the attribute is matched against the given + value using shell style pattern matching. If no value is specified, the existence of the + sysfs attribute is checked. This option can be specified multiple times.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--attr-nomatch<replaceable>attribute=value</replaceable></option></term> + <listitem> + <para>Do not trigger events for devices with a matching sysfs attribute. If a value is + specified along with the attribute name, the content of the attribute is matched against + the given value using shell style pattern matching. If no value is specified, the existence + of the sysfs attribute is checked. This option can be specified multiple times.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm settle</title> + <para>Watches the udev event queue, and exits if all current events are handled.</para> + <variablelist> + <varlistentry> + <term><option>--timeout=<replaceable>seconds</replaceable></option></term> + <listitem> + <para>Maximum seconds to wait for the queue to become empty.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm control <replaceable>instruction</replaceable></title> + <para>Modify the internal state of the running udev daemon.</para> + <variablelist> + <varlistentry> + <term><option>log_priority=<replaceable>value</replaceable></option></term> + <listitem> + <para>Set the internal log level of udevd. Valid values are the numerical + syslog priorities or their textual representations: <option>err</option>, + <option>info</option> and <option>debug</option>.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>stop_exec_queue</option></term> + <listitem> + <para>Signal udevd to stop executing new events. Incoming events + will be queued.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>start_exec_queue</option></term> + <listitem> + <para>Signal udevd to enable the execution of events.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>reload_rules</option></term> + <listitem> + <para>Signal udevd to reload the rules from the config.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>env <replaceable>var</replaceable>=<replaceable>value</replaceable></option></term> + <listitem> + <para>Set global variable.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>max_childs</option></term> + <listitem> + <para>Set the maximum number of events, udevd will handle at the + same time.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>max_childs_running</option></term> + <listitem> + <para>Set the maximum number of events, which are allowed to run at the + same time.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm monitor</title> + <para>Listens to the kernel uevents and events sent out by a udev rule + and prints the devpath of the event to the console. It can be used to analyze the + event timing, by comparing the timestamps of the kernel uevent and the udev event. + </para> + <variablelist> + <varlistentry> + <term><option>--environment</option></term> + <listitem> + <para>Print the complete environment for all events. Can be used to compare the + kernel supplied and the udev added environment values.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--kernel</option></term> + <listitem> + <para>Print the kernel uevents.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--udev</option></term> + <listitem> + <para>Print the udev event after the rule processing.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm test</title> + <para>Simulate a udev event run for the given device, and print out debug + output. Unless forced to, no device node or symlink will be created.</para> + <variablelist> + <varlistentry> + <term><option>--action=<replaceable>string</replaceable></option></term> + <listitem> + <para>The action string.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--subsystem=<replaceable>string</replaceable></option></term> + <listitem> + <para>The subsystem string.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--force</option></term> + <listitem> + <para>Force the creation of a device node or symlink. Usually the test run + prints only debug output.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm version</title> + <para>Print version number.</para> + </refsect2> + + <refsect2><title>udevadm help</title> + <para>Print help text.</para> + </refsect2> + </refsect1> + + <refsect1><title>AUTHOR</title> + <para>Written by Kay Sievers <email>kay.sievers@vrfy.org</email>.</para> + </refsect1> + + <refsect1> + <title>SEE ALSO</title> + <para><citerefentry> + <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum> + </citerefentry> + <citerefentry> + <refentrytitle>udevd</refentrytitle><manvolnum>8</manvolnum> + </citerefentry></para> + </refsect1> + </refentry> + </section> +</article> |