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diff --git a/man/udevadm.xml b/man/udevadm.xml new file mode 100644 index 0000000000..015980a63b --- /dev/null +++ b/man/udevadm.xml @@ -0,0 +1,495 @@ +<?xml version='1.0'?> +<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<refentry id="udevadm"> + <refentryinfo> + <title>udevadm</title> + <productname>systemd</productname> + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Kay</firstname> + <surname>Sievers</surname> + <email>kay@vrfy.org</email> + </author> + </authorgroup> + </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</command> + <arg><option>--debug</option></arg> + <arg><option>--version</option></arg> + <arg><option>--help</option></arg> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm info <replaceable>options</replaceable></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm trigger <optional>options</optional></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm settle <optional>options</optional></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm control <replaceable>command</replaceable></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm monitor <optional>options</optional></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm hwdb <optional>options</optional></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm test <optional>options</optional> <replaceable>devpath</replaceable></command> + </cmdsynopsis> + <cmdsynopsis> + <command>udevadm test-builtin <optional>options</optional> <replaceable>command</replaceable> <replaceable>devpath</replaceable></command> + </cmdsynopsis> + </refsynopsisdiv> + + <refsect1><title>Description</title> + <para>udevadm expects a command and command specific options. It + controls the runtime behavior of udev, requests kernel events, + manages the event queue, and provides simple debugging mechanisms.</para> + </refsect1> + + <refsect1><title>OPTIONS</title> + <variablelist> + <varlistentry> + <term><option>--debug</option></term> + <listitem> + <para>Print debug messages to stderr.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--version</option></term> + <listitem> + <para>Print version number.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + + <refsect2><title>udevadm info <replaceable>options</replaceable></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>property</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>file</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>Print absolute paths in <command>name</command> or <command>symlink</command> + query.</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</option></term> + <listitem> + <para>Print output as key/value pairs. Values are enclosed in single quotes.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--export-prefix=<replaceable>name</replaceable></option></term> + <listitem> + <para>Add a prefix to the key name of exported values.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--device-id-of-file=<replaceable>file</replaceable></option></term> + <listitem> + <para>Print major/minor numbers of the underlying device, where the file + lives on.</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>--cleanup-db</option></term> + <listitem> + <para>Cleanup 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 <optional>options</optional></title> + <para>Request device events from the kernel. Primarily used to replay events at system coldplug time.</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>--type=<replaceable>type</replaceable></option></term> + <listitem> + <para>Trigger a specific type of devices. Valid types are: + <command>devices</command>, <command>subsystems</command>. + The default value is <command>devices</command>.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--action=<replaceable>action</replaceable></option></term> + <listitem> + <para>Type of event to be triggered. The default value is <command>change</command>.</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</replaceable>=<replaceable>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</replaceable>=<replaceable>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> + <varlistentry> + <term><option>--property-match=<replaceable>property</replaceable>=<replaceable>value</replaceable></option></term> + <listitem> + <para>Trigger events for devices with a matching property value. This option can be + specified multiple times and supports shell style pattern matching.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--tag-match=<replaceable>property</replaceable></option></term> + <listitem> + <para>Trigger events for devices with a matching tag. This option can be + specified multiple times.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--sysname-match=<replaceable>name</replaceable></option></term> + <listitem> + <para>Trigger events for devices with a matching sys device name. This option can be + specified multiple times and supports shell style pattern matching.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--parent-match=<replaceable>syspath</replaceable></option></term> + <listitem> + <para>Trigger events for all children of a given device.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm settle <optional>options</optional></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 number of seconds to wait for the event queue to become empty. + The default value is 120 seconds. A value of 0 will check if the queue is empty + and always return immediately.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--seq-start=<replaceable>seqnum</replaceable></option></term> + <listitem> + <para>Wait only for events after the given sequence number.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--seq-end=<replaceable>seqnum</replaceable></option></term> + <listitem> + <para>Wait only for events before the given sequence number.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--exit-if-exists=<replaceable>file</replaceable></option></term> + <listitem> + <para>Stop waiting if file exists.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--quiet</option></term> + <listitem> + <para>Do not print any output, like the remaining queue entries when reaching the timeout.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm control <replaceable>command</replaceable></title> + <para>Modify the internal state of the running udev daemon.</para> + <variablelist> + <varlistentry> + <term><option>--exit</option></term> + <listitem> + <para>Signal and wait for systemd-udevd to exit.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--log-priority=<replaceable>value</replaceable></option></term> + <listitem> + <para>Set the internal log level of systemd-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 systemd-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 systemd-udevd to enable the execution of events.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--reload</option></term> + <listitem> + <para>Signal systemd-udevd to reload the rules files and other databases like the kernel + module index. Reloading rules and databases does not apply any changes to already + existing devices; the new configuration will only be applied to new events.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--property=<replaceable>KEY</replaceable>=<replaceable>value</replaceable></option></term> + <listitem> + <para>Set a global property for all events.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--children-max=</option><replaceable>value</replaceable></term> + <listitem> + <para>Set the maximum number of events, systemd-udevd will handle at the + same time.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--timeout=</option><replaceable>seconds</replaceable></term> + <listitem> + <para>The maximum number of seconds to wait for a reply from systemd-udevd.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm monitor <optional>options</optional></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>--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>--property</option></term> + <listitem> + <para>Also print the properties of the event.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--subsystem-match=<replaceable>string[/string]</replaceable></option></term> + <listitem> + <para>Filter events by subsystem[/devtype]. Only udev events with a matching subsystem value will pass.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--tag-match=<replaceable>string</replaceable></option></term> + <listitem> + <para>Filter events by property. Only udev events with a given tag attached will pass.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm hwdb <optional>options</optional></title> + <para>Maintain the hardware database index in /etc/udev/hwdb.bin.</para> + <variablelist> + <varlistentry> + <term><option>--update</option></term> + <listitem> + <para>Compile the hardware dabase information located in /usr/lib/udev/hwdb.d/, + /etc/udev/hwdb.d/ and store it in /etc/udev/hwdb.bin. This should be done with + any update to the source files, it will not be called automatically. The running + udev daemon will detect a new database on its own and does not need to be + notified about it.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--test=<replaceable>string</replaceable></option></term> + <listitem> + <para>Query the database with a modalias string, and print the + retrieved properties.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm test <optional>options</optional> <replaceable>devpath</replaceable></title> + <para>Simulate a udev event run for the given device, and print debug output.</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>--help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2><title>udevadm test-builtin <optional>options</optional> <replaceable>command</replaceable> <replaceable>devpath</replaceable></title> + <para>Run a built-in command for the given device, and print debug output.</para> + <variablelist> + <varlistentry> + <term><option>--help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect2> + </refsect1> + + <refsect1> + <title>See Also</title> + <para><citerefentry> + <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum> + </citerefentry> + <citerefentry> + <refentrytitle>systemd-udevd.service</refentrytitle><manvolnum>8</manvolnum> + </citerefentry></para> + </refsect1> +</refentry> |