| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
|
|---|
| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
|
|---|
| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
|
|---|
| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
|
|---|
| 5 | %general-entities;
|
|---|
| 6 | ]>
|
|---|
| 7 |
|
|---|
| 8 | <sect1 id="ch-system-udev" role="wrap">
|
|---|
| 9 | <?dbhtml filename="udev.html"?>
|
|---|
| 10 |
|
|---|
| 11 | <title>Udev-&udev-version;</title>
|
|---|
| 12 |
|
|---|
| 13 | <indexterm zone="ch-system-udev">
|
|---|
| 14 | <primary sortas="a-Udev">Udev</primary>
|
|---|
| 15 | </indexterm>
|
|---|
| 16 |
|
|---|
| 17 | <sect2 role="package">
|
|---|
| 18 | <title/>
|
|---|
| 19 |
|
|---|
| 20 | <para>The Udev package contains programs for dynamic creation of device
|
|---|
| 21 | nodes.</para>
|
|---|
| 22 |
|
|---|
| 23 | </sect2>
|
|---|
| 24 |
|
|---|
| 25 | <sect2 role="installation">
|
|---|
| 26 | <title>Installation of Udev</title>
|
|---|
| 27 |
|
|---|
| 28 | <para os="a">Compile the package:</para>
|
|---|
| 29 |
|
|---|
| 30 | <screen os="b"><userinput>make EXTRAS="extras/floppy extras/cdrom_id extras/firmware \
|
|---|
| 31 | extras/scsi_id extras/volume_id extras/ata_id extras/usb_id \
|
|---|
| 32 | extras/edd_id extras/dasd_id extras/path_id"</userinput></screen>
|
|---|
| 33 |
|
|---|
| 34 | <variablelist os="c">
|
|---|
| 35 | <title>The meaning of the make parameter:</title>
|
|---|
| 36 |
|
|---|
| 37 | <varlistentry>
|
|---|
| 38 | <term><parameter>EXTRAS="extras/floppy extras/cdrom_id extras/firmware
|
|---|
| 39 | extras/scsi_id extras/volume_id extras/ata_id extras/usb_id extras/edd_id
|
|---|
| 40 | extras/dasd_id extras/path_id"</parameter></term>
|
|---|
| 41 | <listitem>
|
|---|
| 42 | <para>This builds the helper applications that are used with
|
|---|
| 43 | udev. The helper programs assist in correct handling of devices.</para>
|
|---|
| 44 | </listitem>
|
|---|
| 45 | </varlistentry>
|
|---|
| 46 |
|
|---|
| 47 | </variablelist>
|
|---|
| 48 |
|
|---|
| 49 | <para os="d">If you want to run the testsuite, you need to change
|
|---|
| 50 | a hardcoded reference to the <command>test</command>
|
|---|
| 51 | program:</para>
|
|---|
| 52 |
|
|---|
| 53 | <screen os="e"><userinput>sed -i 's@/usr/bin/test@/bin/test@' test/udev-test.pl</userinput></screen>
|
|---|
| 54 |
|
|---|
| 55 | <para os="f">To test the results, issue:
|
|---|
| 56 | <userinput>make test</userinput>.</para>
|
|---|
| 57 |
|
|---|
| 58 | <para os="g">Install the package:</para>
|
|---|
| 59 |
|
|---|
| 60 | <screen os="h"><userinput>make DESTDIR=/ \
|
|---|
| 61 | EXTRAS="extras/floppy extras/cdrom_id extras/firmware \
|
|---|
| 62 | extras/scsi_id extras/volume_id extras/ata_id extras/usb_id \
|
|---|
| 63 | extras/edd_id extras/dasd_id extras/path_id" install</userinput></screen>
|
|---|
| 64 |
|
|---|
| 65 | <variablelist os="i">
|
|---|
| 66 | <title>The meaning of the make parameter:</title>
|
|---|
| 67 |
|
|---|
| 68 | <varlistentry>
|
|---|
| 69 | <term><parameter>DESTDIR=/</parameter></term>
|
|---|
| 70 | <listitem>
|
|---|
| 71 | <para>This prevents the Udev build process from killing any
|
|---|
| 72 | <command>udevd</command> processes that may be running on the
|
|---|
| 73 | system.</para>
|
|---|
| 74 | </listitem>
|
|---|
| 75 | </varlistentry>
|
|---|
| 76 |
|
|---|
| 77 | </variablelist>
|
|---|
| 78 |
|
|---|
| 79 | <para os="i">Install a necessary helper script:</para>
|
|---|
| 80 |
|
|---|
| 81 | <screen os="j"><userinput>install -v extras/eventrecorder.sh /lib/udev</userinput></screen>
|
|---|
| 82 |
|
|---|
| 83 | <para os="l">Install the documentation that explains how to create
|
|---|
| 84 | Udev rules:</para>
|
|---|
| 85 |
|
|---|
| 86 | <screen os="m"><userinput>install -v -m644 -D docs/writing_udev_rules/index.html \
|
|---|
| 87 | /usr/share/doc/udev-&udev-version;/index.html</userinput></screen>
|
|---|
| 88 |
|
|---|
| 89 | <para os="n">Create a directory for storing firmware that can be
|
|---|
| 90 | loaded by <command>udev</command>:</para>
|
|---|
| 91 |
|
|---|
| 92 | <screen os="o"><userinput>install -dv /lib/firmware</userinput></screen>
|
|---|
| 93 |
|
|---|
| 94 | </sect2>
|
|---|
| 95 |
|
|---|
| 96 | <sect2 id="contents-udev" role="content">
|
|---|
| 97 | <title>Contents of Udev</title>
|
|---|
| 98 |
|
|---|
| 99 | <segmentedlist>
|
|---|
| 100 | <segtitle>Installed programs</segtitle>
|
|---|
| 101 | <segtitle>Installed directory</segtitle>
|
|---|
| 102 |
|
|---|
| 103 | <seglistitem>
|
|---|
| 104 | <seg>udevcontrol, udevd, udevinfo, udevmonitor, udevsend,
|
|---|
| 105 | udevtest, and udevtrigger</seg>
|
|---|
| 106 | <seg>/etc/udev</seg>
|
|---|
| 107 | </seglistitem>
|
|---|
| 108 | </segmentedlist>
|
|---|
| 109 |
|
|---|
| 110 | <variablelist>
|
|---|
| 111 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
|---|
| 112 | <?dbfo list-presentation="list"?>
|
|---|
| 113 | <?dbhtml list-presentation="table"?>
|
|---|
| 114 |
|
|---|
| 115 | <varlistentry id="udevcontrol">
|
|---|
| 116 | <term><command>udevcontrol</command></term>
|
|---|
| 117 | <listitem>
|
|---|
| 118 | <para>Configures a number of options for the running
|
|---|
| 119 | <command>udevd</command> daemon, such as the log level.</para>
|
|---|
| 120 | <indexterm zone="ch-system-udev udevcontrol">
|
|---|
| 121 | <primary sortas="b-udevcontrol">udevcontrol</primary>
|
|---|
| 122 | </indexterm>
|
|---|
| 123 | </listitem>
|
|---|
| 124 | </varlistentry>
|
|---|
| 125 |
|
|---|
| 126 | <varlistentry id="udevd">
|
|---|
| 127 | <term><command>udevd</command></term>
|
|---|
| 128 | <listitem>
|
|---|
| 129 | <para>A daemon that reorders hotplug events before submitting them to
|
|---|
| 130 | <command>udev</command>,
|
|---|
| 131 | thus avoiding various race conditions</para>
|
|---|
| 132 | <indexterm zone="ch-system-udev udevd">
|
|---|
| 133 | <primary sortas="b-udevd">udevd</primary>
|
|---|
| 134 | </indexterm>
|
|---|
| 135 | </listitem>
|
|---|
| 136 | </varlistentry>
|
|---|
| 137 |
|
|---|
| 138 | <varlistentry id="udevinfo">
|
|---|
| 139 | <term><command>udevinfo</command></term>
|
|---|
| 140 | <listitem>
|
|---|
| 141 | <para>Allows users to query the <command>udev</command> database for
|
|---|
| 142 | information on any device currently present on the system; it also
|
|---|
| 143 | provides a way to query any device in the <systemitem
|
|---|
| 144 | class="filesystem">sysfs</systemitem> tree to help create udev
|
|---|
| 145 | rules</para>
|
|---|
| 146 | <indexterm zone="ch-system-udev udevinfo">
|
|---|
| 147 | <primary sortas="b-udevinfo">udevinfo</primary>
|
|---|
| 148 | </indexterm>
|
|---|
| 149 | </listitem>
|
|---|
| 150 | </varlistentry>
|
|---|
| 151 |
|
|---|
| 152 | <varlistentry id="udevmonitor">
|
|---|
| 153 | <term><command>udevmonitor</command></term>
|
|---|
| 154 | <listitem>
|
|---|
| 155 | <para>Prints the event received from the kernel and the event which
|
|---|
| 156 | <command>udev</command> sends out after rule processing</para>
|
|---|
| 157 | <indexterm zone="ch-system-udev udevmonitor">
|
|---|
| 158 | <primary sortas="b-udevmonitor">udevmonitor</primary>
|
|---|
| 159 | </indexterm>
|
|---|
| 160 | </listitem>
|
|---|
| 161 | </varlistentry>
|
|---|
| 162 |
|
|---|
| 163 | <varlistentry id="udevsettle">
|
|---|
| 164 | <term><command>udevsettle</command></term>
|
|---|
| 165 | <listitem>
|
|---|
| 166 | <para>Watches the Udev event queue and exits if all current uevents
|
|---|
| 167 | have been handled</para>
|
|---|
| 168 | <indexterm zone="ch-system-udev udevsettle">
|
|---|
| 169 | <primary sortas="b-udevsettle">udevsettle</primary>
|
|---|
| 170 | </indexterm>
|
|---|
| 171 | </listitem>
|
|---|
| 172 | </varlistentry>
|
|---|
| 173 |
|
|---|
| 174 | <varlistentry id="udevtest">
|
|---|
| 175 | <term><command>udevtest</command></term>
|
|---|
| 176 | <listitem>
|
|---|
| 177 | <para>Simulates a <command>udev</command> run for the given device,
|
|---|
| 178 | and prints out the name of the node the real <command>udev</command>
|
|---|
| 179 | would have created or the name of the renamed network interface</para>
|
|---|
| 180 | <indexterm zone="ch-system-udev udevtest">
|
|---|
| 181 | <primary sortas="b-udevtest">udevtest</primary>
|
|---|
| 182 | </indexterm>
|
|---|
| 183 | </listitem>
|
|---|
| 184 | </varlistentry>
|
|---|
| 185 |
|
|---|
| 186 | <varlistentry id="udevtrigger">
|
|---|
| 187 | <term><command>udevtrigger</command></term>
|
|---|
| 188 | <listitem>
|
|---|
| 189 | <para>Walks the sysfs tree for devices that need to be added to the
|
|---|
| 190 | system.</para>
|
|---|
| 191 | <indexterm zone="ch-system-udev udevtrigger">
|
|---|
| 192 | <primary sortas="b-udevtrigger">udevtrigger</primary>
|
|---|
| 193 | </indexterm>
|
|---|
| 194 | </listitem>
|
|---|
| 195 | </varlistentry>
|
|---|
| 196 |
|
|---|
| 197 | <!-- helpers start here -->
|
|---|
| 198 | <varlistentry id="ata_id">
|
|---|
| 199 | <term><command>ata_id</command></term>
|
|---|
| 200 | <listitem>
|
|---|
| 201 | <para>Provides Udev with a unique string and additional
|
|---|
| 202 | information (uuid, label) for an ATA drive</para>
|
|---|
| 203 | <indexterm zone="ch-system-udev ata_id">
|
|---|
| 204 | <primary sortas="b-ata_id">ata_id</primary>
|
|---|
| 205 | </indexterm>
|
|---|
| 206 | </listitem>
|
|---|
| 207 | </varlistentry>
|
|---|
| 208 |
|
|---|
| 209 | <varlistentry id="cdrom_id">
|
|---|
| 210 | <term><command>cdrom_id</command></term>
|
|---|
| 211 | <listitem>
|
|---|
| 212 | <para>Print the capabilities of a CDROM or DVDROM drive.</para>
|
|---|
| 213 | <indexterm zone="ch-system-udev cdrom_id">
|
|---|
| 214 | <primary sortas="b-cdrom_id">cdrom_id</primary>
|
|---|
| 215 | </indexterm>
|
|---|
| 216 | </listitem>
|
|---|
| 217 | </varlistentry>
|
|---|
| 218 |
|
|---|
| 219 | <varlistentry id="create_floppy_devices">
|
|---|
| 220 | <term><command>create_floppy_devices</command></term>
|
|---|
| 221 | <listitem>
|
|---|
| 222 | <para>Creates all possible floppy devices based on the CMOS type</para>
|
|---|
| 223 | <indexterm zone="ch-system-udev create_floppy_devices">
|
|---|
| 224 | <primary sortas="b-create_floppy_devices">create_floppy_devices</primary>
|
|---|
| 225 | </indexterm>
|
|---|
| 226 | </listitem>
|
|---|
| 227 | </varlistentry>
|
|---|
| 228 |
|
|---|
| 229 | <varlistentry id="dasd_id">
|
|---|
| 230 | <term><command>dasd_id</command></term>
|
|---|
| 231 | <listitem>
|
|---|
| 232 | <para>Read the label from an s390 block device.</para>
|
|---|
| 233 | <indexterm zone="ch-system-udev dasd_id">
|
|---|
| 234 | <primary sortas="b-dasd_id">dasd_id</primary>
|
|---|
| 235 | </indexterm>
|
|---|
| 236 | </listitem>
|
|---|
| 237 | </varlistentry>
|
|---|
| 238 |
|
|---|
| 239 | <varlistentry id="edd_id">
|
|---|
| 240 | <term><command>edd_id</command></term>
|
|---|
| 241 | <listitem>
|
|---|
| 242 | <para>Identify x86 disk drives from Enhanced Disk Drive calls.</para>
|
|---|
| 243 | <indexterm zone="ch-system-udev edd_id">
|
|---|
| 244 | <primary sortas="b-edd_id">edd_id</primary>
|
|---|
| 245 | </indexterm>
|
|---|
| 246 | </listitem>
|
|---|
| 247 | </varlistentry>
|
|---|
| 248 |
|
|---|
| 249 | <varlistentry id="firmware.sh">
|
|---|
| 250 | <term><command>firmware.sh</command></term>
|
|---|
| 251 | <listitem>
|
|---|
| 252 | <para>Script to load firmware for a device</para>
|
|---|
| 253 | <indexterm zone="ch-system-udev firmware.sh">
|
|---|
| 254 | <primary sortas="b-firmware.sh">firmware.sh</primary>
|
|---|
| 255 | </indexterm>
|
|---|
| 256 | </listitem>
|
|---|
| 257 | </varlistentry>
|
|---|
| 258 |
|
|---|
| 259 | <varlistentry id="path_id">
|
|---|
| 260 | <term><command>path_id</command></term>
|
|---|
| 261 | <listitem>
|
|---|
| 262 | <para>Provide the shortest possible unique hardware path to a
|
|---|
| 263 | device</para>
|
|---|
| 264 | <indexterm zone="ch-system-udev path_id">
|
|---|
| 265 | <primary sortas="b-path_id">path_id</primary>
|
|---|
| 266 | </indexterm>
|
|---|
| 267 | </listitem>
|
|---|
| 268 | </varlistentry>
|
|---|
| 269 |
|
|---|
| 270 | <varlistentry id="scsi_id">
|
|---|
| 271 | <term><command>scsi_id</command></term>
|
|---|
| 272 | <listitem>
|
|---|
| 273 | <para>Retrieve or generate a unique SCSI identifier.</para>
|
|---|
| 274 | <indexterm zone="ch-system-udev scsi_id">
|
|---|
| 275 | <primary sortas="b-scsi_id">scsi_id</primary>
|
|---|
| 276 | </indexterm>
|
|---|
| 277 | </listitem>
|
|---|
| 278 | </varlistentry>
|
|---|
| 279 |
|
|---|
| 280 | <varlistentry id="usb_id">
|
|---|
| 281 | <term><command>usb_id</command></term>
|
|---|
| 282 | <listitem>
|
|---|
| 283 | <para>Identify a USB block device.</para>
|
|---|
| 284 | <indexterm zone="ch-system-udev usb_id">
|
|---|
| 285 | <primary sortas="b-usb_id">usb_id</primary>
|
|---|
| 286 | </indexterm>
|
|---|
| 287 | </listitem>
|
|---|
| 288 | </varlistentry>
|
|---|
| 289 |
|
|---|
| 290 | <varlistentry id="vol_id">
|
|---|
| 291 | <term><command>vol_id</command></term>
|
|---|
| 292 | <listitem>
|
|---|
| 293 | <para>Probe filesystem type and read label and uuid.</para>
|
|---|
| 294 | <indexterm zone="ch-system-udev vol_id">
|
|---|
| 295 | <primary sortas="b-vol_id">vol_id</primary>
|
|---|
| 296 | </indexterm>
|
|---|
| 297 | </listitem>
|
|---|
| 298 | </varlistentry>
|
|---|
| 299 |
|
|---|
| 300 | <varlistentry id="etc-udev">
|
|---|
| 301 | <term><filename class="directory">/etc/udev</filename></term>
|
|---|
| 302 | <listitem>
|
|---|
| 303 | <para>Contains <command>udev</command> configuration files,
|
|---|
| 304 | device permissions, and rules for device naming</para>
|
|---|
| 305 | <indexterm zone="ch-system-udev etc-udev">
|
|---|
| 306 | <primary sortas="e-/etc/udev">/etc/udev</primary>
|
|---|
| 307 | </indexterm>
|
|---|
| 308 | </listitem>
|
|---|
| 309 | </varlistentry>
|
|---|
| 310 |
|
|---|
| 311 | <varlistentry id="lib-udev">
|
|---|
| 312 | <term><filename class="directory">/lib/udev</filename></term>
|
|---|
| 313 | <listitem>
|
|---|
| 314 | <para>Contains <command>udev</command> helper programs
|
|---|
| 315 | and static devices which get copied to /dev when booted.</para>
|
|---|
| 316 | <indexterm zone="ch-system-udev lib-udev">
|
|---|
| 317 | <primary sortas="e-/lib/udev">/lib/udev</primary>
|
|---|
| 318 | </indexterm>
|
|---|
| 319 | </listitem>
|
|---|
| 320 | </varlistentry>
|
|---|
| 321 | </variablelist>
|
|---|
| 322 |
|
|---|
| 323 | </sect2>
|
|---|
| 324 |
|
|---|
| 325 | </sect1>
|
|---|
