source: chapter06/udev.xml@ 6d53efc

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Last change on this file since 6d53efc was 450e682e, checked in by Bruce Dubbs <bdubbs@…>, 12 years ago

Add pkg-config-0.26-internal-glib
Add popt-1.16
Fix problem building perl in some environments

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@9871 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
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File size: 11.8 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/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 <sect1info condition="script">
12 <productname>udev</productname>
13 <productnumber>&udev-version;</productnumber>
14 <address>&udev-url;</address>
15 </sect1info>
16
17 <title>Udev-&udev-version;</title>
18
19 <indexterm zone="ch-system-udev">
20 <primary sortas="a-Udev">Udev</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>The Udev package contains programs for dynamic creation of device
27 nodes.</para>
28
29 <segmentedlist>
30 <segtitle>&buildtime;</segtitle>
31 <segtitle>&diskspace;</segtitle>
32
33 <seglistitem>
34 <seg>&udev-ch6-sbu;</seg>
35 <seg>&udev-ch6-du;</seg>
36 </seglistitem>
37 </segmentedlist>
38 </sect2>
39
40 <sect2 role="installation">
41 <title>Installation of Udev</title>
42
43 <para>The udev-config tarball contains LFS-specific files used to configure
44 Udev. Unpack it into the Udev source directory:</para>
45
46<screen><userinput remap="pre">tar -xvf ../&udev-config;.tar.bz2</userinput></screen>
47
48 <para>Create some devices and directories that Udev cannot handle due to
49 them being required very early in the boot process, or by Udev itself:</para>
50
51<screen><userinput remap="install">install -dv /lib/{firmware,udev/devices/pts}
52mknod -m0666 /lib/udev/devices/null c 1 3</userinput></screen>
53
54 <para>Prepare the package for compilation:</para>
55
56<!-- Note that "libdir=/usr/lib64" would be required for multilib. -->
57<screen><userinput remap="configure">./configure --prefix=/usr \
58 --with-rootprefix='' \
59 --bindir=/sbin \
60 --sysconfdir=/etc \
61 --libexecdir=/lib \
62 --enable-rule_generator \
63 --disable-introspection \
64 --disable-keymap \
65 --disable-gudev \
66 --with-usb-ids-path=no \
67 --with-pci-ids-path=no \
68 --with-systemdsystemunitdir=no</userinput></screen>
69
70 <variablelist>
71 <title>The meaning of the new configure options</title>
72
73 <!-- Note that libexecdir *MUST* stay /lib, even on a 64-bit
74 / multilib system where udev is compiled for 64-bit. The udev
75 configure system automatically adds "udev" onto this path, and other
76 packages require /lib/udev; the udev maintainers have
77 said this is part of the udev API. -->
78 <varlistentry>
79 <term><parameter>--libexecdir=/lib</parameter></term>
80 <listitem>
81 <para>This controls where Udev-internal rules and helper programs
82 are installed.</para>
83 </listitem>
84 </varlistentry>
85
86 <varlistentry>
87 <term><parameter>--enable-rule_generator</parameter></term>
88 <listitem>
89 <para>This allows persistent rules to be generated for network and
90 optical media devices</para>
91 </listitem>
92 </varlistentry>
93
94 <varlistentry>
95 <term><parameter>--disable-* and --with-*</parameter></term>
96 <listitem>
97 <para>These options prevent Udev from installing helper programs and
98 other extras which require more external libraries. These libraries
99 are not part of the base LFS system. See the Udev
100 <filename>README</filename> file for more information.</para>
101 </listitem>
102 </varlistentry>
103 </variablelist>
104
105 <para>Compile the package:</para>
106
107<screen><userinput remap="make">make</userinput></screen>
108
109 <para>Test the package.</para>
110
111<screen><userinput remap="test">make check</userinput></screen>
112
113 <para>Install the package:</para>
114
115<screen><userinput remap="install">make install</userinput></screen>
116
117 <para>Remove an empty documentation directory:</para>
118
119<screen><userinput remap="install">rmdir -v /usr/share/doc/udev</userinput></screen>
120
121 <para>Now install the LFS-specific custom rules files:</para>
122
123<screen><userinput remap="install">cd &udev-config;
124make install</userinput></screen>
125
126 <para>Install the documentation that explains the LFS-specific rules
127 files:</para>
128
129<screen><userinput remap="install">make install-doc</userinput></screen>
130
131 </sect2>
132
133 <sect2 id="contents-udev" role="content">
134 <title>Contents of Udev</title>
135
136 <segmentedlist>
137 <segtitle>Installed programs</segtitle>
138 <segtitle>Installed libraries</segtitle>
139 <segtitle>Installed directories</segtitle>
140
141 <seglistitem>
142 <seg>ata_id, cdrom_id, collect, create_floppy_devices, edd_id,
143 firmware.sh, fstab_import, path_id, scsi_id, udevadm, udevd,
144 usb_id, write_cd_rules, and write_net_rules</seg>
145 <seg>libudev.{a,so}</seg>
146 <seg>/etc/udev, /lib/udev, /lib/firmware, /usr/share/doc/udev-config,
147 /usr/share/gtk-doc/html/libudev</seg>
148 </seglistitem>
149 </segmentedlist>
150
151 <variablelist>
152 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
153 <?dbfo list-presentation="list"?>
154 <?dbhtml list-presentation="table"?>
155
156 <varlistentry id="ata_id">
157 <term><command>ata_id</command></term>
158 <listitem>
159 <para>Provides Udev with a unique string and
160 additional information (uuid, label) for an ATA drive</para>
161 <indexterm zone="ch-system-udev ata_id">
162 <primary sortas="b-ata_id">ata_id</primary>
163 </indexterm>
164 </listitem>
165 </varlistentry>
166
167 <varlistentry id="cdrom_id">
168 <term><command>cdrom_id</command></term>
169 <listitem>
170 <para>Provides Udev with the capabilities of a
171 CD-ROM or DVD-ROM drive</para>
172 <indexterm zone="ch-system-udev cdrom_id">
173 <primary sortas="b-cdrom_id">cdrom_id</primary>
174 </indexterm>
175 </listitem>
176 </varlistentry>
177
178 <varlistentry id="collect">
179 <term><command>collect</command></term>
180 <listitem>
181 <para>Given an ID for the current uevent and a list of
182 IDs (for all target uevents), registers the current ID
183 and indicates whether all target IDs have been registered</para>
184 <indexterm zone="ch-system-udev collect">
185 <primary sortas="b-collect">collect</primary>
186 </indexterm>
187 </listitem>
188 </varlistentry>
189
190 <varlistentry id="create_floppy_devices">
191 <term><command>create_floppy_devices</command></term>
192 <listitem>
193 <para>Creates all possible floppy devices based on the CMOS type</para>
194 <indexterm zone="ch-system-udev create_floppy_devices">
195 <primary sortas="b-create_floppy_devices">create_floppy_devices</primary>
196 </indexterm>
197 </listitem>
198 </varlistentry>
199
200 <varlistentry id="edd_id">
201 <term><command>edd_id</command></term>
202 <listitem>
203 <para>Provides Udev with the EDD ID for a BIOS disk drive</para>
204 <indexterm zone="ch-system-udev edd_id">
205 <primary sortas="b-edd_id">edd_id</primary>
206 </indexterm>
207 </listitem>
208 </varlistentry>
209
210 <varlistentry id="firmware.sh">
211 <term><command>firmware.sh</command></term>
212 <listitem>
213 <para>Uploads firmware to devices</para>
214 <indexterm zone="ch-system-udev firmware.sh">
215 <primary sortas="b-firmware.sh">firmware.sh</primary>
216 </indexterm>
217 </listitem>
218 </varlistentry>
219
220 <varlistentry id="fstab_import">
221 <term><command>fstab_import</command></term>
222 <listitem>
223 <para>Finds an entry in <filename>/etc/fstab</filename> that
224 matches the current device, and provides its information to
225 Udev</para>
226 <indexterm zone="ch-system-udev fstab_import">
227 <primary sortas="b-fstab_import">fstab_import</primary>
228 </indexterm>
229 </listitem>
230 </varlistentry>
231
232 <varlistentry id="path_id">
233 <term><command>path_id</command></term>
234 <listitem>
235 <para>Provides the shortest possible unique hardware path to a
236 device</para>
237 <indexterm zone="ch-system-udev path_id">
238 <primary sortas="b-path_id">path_id</primary>
239 </indexterm>
240 </listitem>
241 </varlistentry>
242
243 <varlistentry id="scsi_id">
244 <term><command>scsi_id</command></term>
245 <listitem>
246 <para>Provides Udev with a unique SCSI identifier
247 based on the data returned from sending a SCSI INQUIRY command to
248 the specified device</para>
249 <indexterm zone="ch-system-udev scsi_id">
250 <primary sortas="b-scsi_id">scsi_id</primary>
251 </indexterm>
252 </listitem>
253 </varlistentry>
254
255 <varlistentry id="udevadm">
256 <term><command>udevadm</command></term>
257 <listitem>
258 <para>Generic udev administration tool: controls the udevd daemon,
259 provides info from the Udev database, monitors uevents, waits for
260 uevents to finish, tests Udev configuration, and triggers uevents
261 for a given device</para>
262 <indexterm zone="ch-system-udev udevadm">
263 <primary sortas="b-udevadm">udevadm</primary>
264 </indexterm>
265 </listitem>
266 </varlistentry>
267
268 <varlistentry id="udevd">
269 <term><command>udevd</command></term>
270 <listitem>
271 <para>A daemon that listens for uevents on the netlink socket,
272 creates devices and runs the configured external programs in
273 response to these uevents</para>
274 <indexterm zone="ch-system-udev udevd">
275 <primary sortas="b-udevd">udevd</primary>
276 </indexterm>
277 </listitem>
278 </varlistentry>
279
280 <varlistentry id="usb_id">
281 <term><command>usb_id</command></term>
282 <listitem>
283 <para>Provides Udev with information about USB
284 devices</para>
285 <indexterm zone="ch-system-udev usb_id">
286 <primary sortas="b-usb_id">usb_id</primary>
287 </indexterm>
288 </listitem>
289 </varlistentry>
290
291 <varlistentry id="write_cd_rules">
292 <term><command>write_cd_rules</command></term>
293 <listitem>
294 <para>A script which generates Udev rules to provide stable names for
295 optical drives (see also <xref linkend="ch-scripts-symlinks"/>)</para>
296 <indexterm zone="ch-system-udev write_cd_rules">
297 <primary sortas="b-write_cd_rules">write_cd_rules</primary>
298 </indexterm>
299 </listitem>
300 </varlistentry>
301
302 <varlistentry id="write_net_rules">
303 <term><command>write_net_rules</command></term>
304 <listitem>
305 <para>A script which generates rules to provide stable names for
306 network interfaces (see also <xref linkend="ch-scripts-network"/>)
307 </para>
308 <indexterm zone="ch-system-udev write_net_rules">
309 <primary sortas="b-write_net_rules">write_net_rules</primary>
310 </indexterm>
311 </listitem>
312 </varlistentry>
313
314 <varlistentry id="libudev">
315 <term><filename class="libraryfile">libudev</filename></term>
316 <listitem>
317 <para>A library interface to udev device information</para>
318 <indexterm zone="ch-system-udev libudev">
319 <primary sortas="c-libudev">libudev</primary>
320 </indexterm>
321 </listitem>
322 </varlistentry>
323
324 <varlistentry id="etc-udev">
325 <term><filename class="directory">/etc/udev</filename></term>
326 <listitem>
327 <para>Contains Udev configuration files,
328 device permissions, and rules for device naming</para>
329 <indexterm zone="ch-system-udev etc-udev">
330 <primary sortas="e-/etc/udev">/etc/udev</primary>
331 </indexterm>
332 </listitem>
333 </varlistentry>
334
335 </variablelist>
336
337 </sect2>
338
339</sect1>
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