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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>struct uio_mem</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Device Drivers" /><link rel="up" href="ch02s05.html" title="Userspace IO devices" /><link rel="prev" href="re272.html" title="uio_unregister_device" /><link rel="next" href="re274.html" title="struct uio_port" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>struct uio_mem</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re272.html">Prev</a> </td><th width="60%" align="center">Userspace IO devices</th><td width="20%" align="right"> <a accesskey="n" href="re274.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="struct uio_mem"><a id="API-struct-uio-mem"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct uio_mem —
description of a UIO memory region
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><pre class="programlisting">
struct uio_mem {
const char * name;
unsigned long addr;
unsigned long size;
int memtype;
void __iomem * internal_addr;
struct uio_map * map;
}; </pre></div><div class="refsect1" title="Members"><a id="id2633380"></a><h2>Members</h2><div class="variablelist"><dl><dt><span class="term">name</span></dt><dd><p>
name of the memory region for identification
</p></dd><dt><span class="term">addr</span></dt><dd><p>
address of the device's memory
</p></dd><dt><span class="term">size</span></dt><dd><p>
size of IO
</p></dd><dt><span class="term">memtype</span></dt><dd><p>
type of memory addr points to
</p></dd><dt><span class="term">internal_addr</span></dt><dd><p>
ioremap-ped version of addr, for driver internal use
</p></dd><dt><span class="term">map</span></dt><dd><p>
for use by the UIO core only.
</p></dd></dl></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re272.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch02s05.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re274.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>uio_unregister_device</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>struct uio_port</span></td></tr></table></div></body></html>
