1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Userspace IO devices</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="devdrivers.html" title="Chapter&#160;2.&#160;Device drivers infrastructure"><link rel="prev" href="API-pnp-is-active.html" title="pnp_is_active"><link rel="next" href="API-uio-event-notify.html" title="uio_event_notify"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Userspace IO devices</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-pnp-is-active.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;2.&#160;Device drivers infrastructure</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-uio-event-notify.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="idp1110827380"></a>Userspace IO devices</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="refentrytitle"><a href="API-uio-event-notify.html"><span class="phrase">uio_event_notify</span></a></span><span class="refpurpose"> &#8212; 
2  trigger an interrupt event
3 </span></dt><dt><span class="refentrytitle"><a href="API---uio-register-device.html"><span class="phrase">__uio_register_device</span></a></span><span class="refpurpose"> &#8212; 
4     register a new userspace IO device
5 </span></dt><dt><span class="refentrytitle"><a href="API-uio-unregister-device.html"><span class="phrase">uio_unregister_device</span></a></span><span class="refpurpose"> &#8212; 
6     unregister a industrial IO device
7 </span></dt><dt><span class="refentrytitle"><a href="API-struct-uio-mem.html"><span class="phrase">struct uio_mem</span></a></span><span class="refpurpose"> &#8212; 
8  description of a UIO memory region
9 </span></dt><dt><span class="refentrytitle"><a href="API-struct-uio-port.html"><span class="phrase">struct uio_port</span></a></span><span class="refpurpose"> &#8212; 
10     description of a UIO port region
11 </span></dt><dt><span class="refentrytitle"><a href="API-struct-uio-info.html"><span class="phrase">struct uio_info</span></a></span><span class="refpurpose"> &#8212; 
12     UIO device capabilities
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