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authorRichard Hughes <hughsient@gmail.com>2006-06-06 16:03:45 +0000
committerRichard Hughes <hughsient@gmail.com>2006-06-06 16:03:45 +0000
commitb1ceb4571eab4e7a6694ef7b6acdab1e9b428626 (patch)
tree4931b1027407f3deb7dcf5c1b776c676469d8f6b /doc/spec/hal-spec.html
parent7c6921f10ced8e2218e30c69c4219ec460cf5e10 (diff)
This adds a css style file to the generated html file. It makes the tables
much prettier and smart. The old tables make my eyes bleed. Regenerate this file.
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@@ -1,6 +1,6 @@
-<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>HAL 0.5.8 Specification</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="book" lang="en"><div class="titlepage"><div><div><h1 class="title"><a name="index"></a>HAL 0.5.8 Specification</h1></div><div><div class="authorgroup"><div class="author"><h3 class="author"><span class="firstname">David</span> <span class="surname">Zeuthen</span></h3><div class="affiliation"><div class="address"><p><br>
+<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>HAL 0.5.8 Specification</title><link rel="stylesheet" href="docbook.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.69.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="book" lang="en"><div class="titlepage"><div><div><h1 class="title"><a name="index"></a>HAL 0.5.8 Specification</h1></div><div><div class="authorgroup"><div class="author"><h3 class="author"><span class="firstname">David</span> <span class="surname">Zeuthen</span></h3><div class="affiliation"><div class="address"><p><br>
            <code class="email">&lt;<a href="mailto:david@fubar.dk">david@fubar.dk</a>&gt;</code><br>
-          </p></div></div></div></div></div><div><p class="releaseinfo">Version 0.5.8</p></div></div><hr></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="chapter"><a href="#introduction">1. Introduction</a></span></dt><dd><dl><dt><span class="sect1"><a href="#id2642387">About</a></span></dt><dt><span class="sect1"><a href="#id2586803">Acknowledgements</a></span></dt><dt><span class="sect1"><a href="#ov_halarch">Architecture of HAL</a></span></dt><dt><span class="sect1"><a href="#ov_hal_linux26">HAL on Linux 2.6</a></span></dt><dt><span class="sect1"><a href="#id2658782">Device Objects</a></span></dt><dt><span class="sect1"><a href="#device-capabilities">Device Capabilities</a></span></dt><dt><span class="sect1"><a href="#using-devices">Using devices</a></span></dt></dl></dd><dt><span class="chapter"><a href="#device-properties">2. Device Properties</a></span></dt><dd><dl><dt><span class="sect1"><a href="#properties-metadata">Metadata Properties</a></span></dt><dd><dl><dt><span class="sect2"><a href="#device-properties-info">
+          </p></div></div></div></div></div><div><p class="releaseinfo">Version 0.5.8</p></div></div><hr></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="chapter"><a href="#introduction">1. Introduction</a></span></dt><dd><dl><dt><span class="sect1"><a href="#id2741027">About</a></span></dt><dt><span class="sect1"><a href="#id2685434">Acknowledgements</a></span></dt><dt><span class="sect1"><a href="#ov_halarch">Architecture of HAL</a></span></dt><dt><span class="sect1"><a href="#ov_hal_linux26">HAL on Linux 2.6</a></span></dt><dt><span class="sect1"><a href="#id2753877">Device Objects</a></span></dt><dt><span class="sect1"><a href="#device-capabilities">Device Capabilities</a></span></dt><dt><span class="sect1"><a href="#using-devices">Using devices</a></span></dt></dl></dd><dt><span class="chapter"><a href="#device-properties">2. Device Properties</a></span></dt><dd><dl><dt><span class="sect1"><a href="#properties-metadata">Metadata Properties</a></span></dt><dd><dl><dt><span class="sect2"><a href="#device-properties-info">
<code class="literal">info</code> namespace
</a></span></dt><dt><span class="sect2"><a href="#device-properties-linux">
<code class="literal">linux</code> namespace
@@ -96,7 +96,7 @@
<code class="literal">storage.policy</code> namespace
</a></span></dt><dt><span class="sect2"><a href="#device-properties-volume-policy">
<code class="literal">volume.policy</code> namespace
- </a></span></dt></dl></dd></dl></dd><dt><span class="chapter"><a href="#spec-device-info">3. Device Information Files</a></span></dt><dd><dl><dt><span class="sect1"><a href="#fdi-facts">Facts about devices</a></span></dt><dd><dl><dt><span class="sect2"><a href="#fdi-example-mp3player">Example: MP3 player</a></span></dt><dt><span class="sect2"><a href="#fdi-example-camera">Example: Digital Still Camera</a></span></dt><dt><span class="sect2"><a href="#fdi-example-6in1">Example: Card Reader</a></span></dt></dl></dd><dt><span class="sect1"><a href="#fdi-policy">Policy settings for devices</a></span></dt><dd><dl><dt><span class="sect2"><a href="#fdi-example-mountsetting">Storage Devices</a></span></dt></dl></dd></dl></dd><dt><span class="chapter"><a href="#examples">4. Examples and other stuff</a></span></dt><dd><dl><dt><span class="sect1"><a href="#callouts">Callouts</a></span></dt><dt><span class="sect1"><a href="#dbus-api">D-BUS Network API</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2668924">Interface org.freedesktop.Hal.Manager</a></span></dt><dt><span class="sect2"><a href="#id2671520">Interface org.freedesktop.Hal.Device</a></span></dt></dl></dd><dt><span class="sect1"><a href="#enforcing-policy">Enforcing Policy</a></span></dt><dd><dl><dt><span class="sect2"><a href="#enforcing-stor-vol">Storage Devices</a></span></dt></dl></dd></dl></dd></dl></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="introduction"></a>Chapter 1. Introduction</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="#id2642387">About</a></span></dt><dt><span class="sect1"><a href="#id2586803">Acknowledgements</a></span></dt><dt><span class="sect1"><a href="#ov_halarch">Architecture of HAL</a></span></dt><dt><span class="sect1"><a href="#ov_hal_linux26">HAL on Linux 2.6</a></span></dt><dt><span class="sect1"><a href="#id2658782">Device Objects</a></span></dt><dt><span class="sect1"><a href="#device-capabilities">Device Capabilities</a></span></dt><dt><span class="sect1"><a href="#using-devices">Using devices</a></span></dt></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2642387"></a>About</h2></div></div></div><p>
+ </a></span></dt></dl></dd></dl></dd><dt><span class="chapter"><a href="#spec-device-info">3. Device Information Files</a></span></dt><dd><dl><dt><span class="sect1"><a href="#fdi-facts">Facts about devices</a></span></dt><dd><dl><dt><span class="sect2"><a href="#fdi-example-mp3player">Example: MP3 player</a></span></dt><dt><span class="sect2"><a href="#fdi-example-camera">Example: Digital Still Camera</a></span></dt><dt><span class="sect2"><a href="#fdi-example-6in1">Example: Card Reader</a></span></dt></dl></dd><dt><span class="sect1"><a href="#fdi-policy">Policy settings for devices</a></span></dt><dd><dl><dt><span class="sect2"><a href="#fdi-example-mountsetting">Storage Devices</a></span></dt></dl></dd></dl></dd><dt><span class="chapter"><a href="#examples">4. Examples and other stuff</a></span></dt><dd><dl><dt><span class="sect1"><a href="#callouts">Callouts</a></span></dt><dt><span class="sect1"><a href="#dbus-api">D-BUS Network API</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2767694">Interface org.freedesktop.Hal.Manager</a></span></dt><dt><span class="sect2"><a href="#id2757869">Interface org.freedesktop.Hal.Device</a></span></dt></dl></dd><dt><span class="sect1"><a href="#enforcing-policy">Enforcing Policy</a></span></dt><dd><dl><dt><span class="sect2"><a href="#enforcing-stor-vol">Storage Devices</a></span></dt></dl></dd></dl></dd></dl></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="introduction"></a>Chapter 1. Introduction</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="#id2741027">About</a></span></dt><dt><span class="sect1"><a href="#id2685434">Acknowledgements</a></span></dt><dt><span class="sect1"><a href="#ov_halarch">Architecture of HAL</a></span></dt><dt><span class="sect1"><a href="#ov_hal_linux26">HAL on Linux 2.6</a></span></dt><dt><span class="sect1"><a href="#id2753877">Device Objects</a></span></dt><dt><span class="sect1"><a href="#device-capabilities">Device Capabilities</a></span></dt><dt><span class="sect1"><a href="#using-devices">Using devices</a></span></dt></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2741027"></a>About</h2></div></div></div><p>
This document concerns the specification of HAL which is a
piece of software that provides a view of the various hardware
attached to a system. In addition to this, HAL keeps detailed
@@ -132,7 +132,7 @@
which, given sufficient infrastructure, allows it to be
implemented on many UNIX-like systems. The major focus,
initially, is systems running the Linux 2.6 series kernels.
- </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2586803"></a>Acknowledgements</h2></div></div></div><p>
+ </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2685434"></a>Acknowledgements</h2></div></div></div><p>
Havoc Pennington's article
<a href="http://www.ometer.com/hardware.html" target="_top">''Making Hardware Just Work''
</a>
@@ -249,7 +249,7 @@
See <a href="#enforcing-policy" title="Enforcing Policy">the section called &#8220;Enforcing Policy&#8221;</a>
for more details.
</p></li></ul></div><p>
- </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2658782"></a>Device Objects</h2></div></div></div><p>
+ </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2753877"></a>Device Objects</h2></div></div></div><p>
It is important to precisely define the term HAL device
object. It's actually a bit blurry to define in general, it
includes what most UNIX-like systems consider first class
@@ -2675,7 +2675,7 @@
for details.
</p><pre class="programlisting">
<a xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" href="../conf/storage-policy-examples.fdi"></a>
- </pre></div></div></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="examples"></a>Chapter 4. Examples and other stuff</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="#callouts">Callouts</a></span></dt><dt><span class="sect1"><a href="#dbus-api">D-BUS Network API</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2668924">Interface org.freedesktop.Hal.Manager</a></span></dt><dt><span class="sect2"><a href="#id2671520">Interface org.freedesktop.Hal.Device</a></span></dt></dl></dd><dt><span class="sect1"><a href="#enforcing-policy">Enforcing Policy</a></span></dt><dd><dl><dt><span class="sect2"><a href="#enforcing-stor-vol">Storage Devices</a></span></dt></dl></dd></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="callouts"></a>Callouts</h2></div></div></div><p>
+ </pre></div></div></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="examples"></a>Chapter 4. Examples and other stuff</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="#callouts">Callouts</a></span></dt><dt><span class="sect1"><a href="#dbus-api">D-BUS Network API</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2767694">Interface org.freedesktop.Hal.Manager</a></span></dt><dt><span class="sect2"><a href="#id2757869">Interface org.freedesktop.Hal.Device</a></span></dt></dl></dd><dt><span class="sect1"><a href="#enforcing-policy">Enforcing Policy</a></span></dt><dd><dl><dt><span class="sect2"><a href="#enforcing-stor-vol">Storage Devices</a></span></dt></dl></dd></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="callouts"></a>Callouts</h2></div></div></div><p>
Callouts are programs invoked when the device object list is
modified. As such, callouts can be used to maintain system-wide
policy (that may be specific to the particular OS) such as
@@ -2742,7 +2742,7 @@
and possibly callouts. Eventually, the device transitions to the
GDL (global device list) and first then it becomes ''visible'' for
desktop applications.
- </p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2668924"></a>Interface org.freedesktop.Hal.Manager</h3></div></div></div><p>
+ </p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2767694"></a>Interface org.freedesktop.Hal.Manager</h3></div></div></div><p>
Using D-BUS terminology, the HAL daemon provides the D-BUS
service <code class="literal">org.freedesktop.Hal</code>. This service
offers a D-BUS object at a well-known
@@ -2799,7 +2799,7 @@ void DeviceRemoved(string udi)
# @param udi Unique Device Id
#
void NewCapability(string udi, string capability)
- </pre><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2642312"></a>Example</h4></div></div></div><p>
+ </pre><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2757793"></a>Example</h4></div></div></div><p>
The following brief Python program demonstrates some of the API
</p><pre class="programlisting">
<a xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" href="example-manager.py"></a>
@@ -2840,7 +2840,7 @@ Device /org/freedesktop/Hal/devices/usbif_usb_46d_c001_410_-1_noserial_0 was add
Device /org/freedesktop/Hal/devices/usb_46d_c001_410_-1_noserial was removed
Device /org/freedesktop/Hal/devices/usbif_usb_46d_c001_410_-1_noserial_0 was removed
</pre><p>
- </p></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2671520"></a>Interface org.freedesktop.Hal.Device</h3></div></div></div><p>
+ </p></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2757869"></a>Interface org.freedesktop.Hal.Device</h3></div></div></div><p>
Applications use
the <code class="literal">org.freedesktop.Hal.Manager</code> interface to
locate the device objects they are interested in. When a device