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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>Chapter 2. SCSI upper layer</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="SCSI Interfaces Guide" /><link rel="up" href="index.html" title="SCSI Interfaces Guide" /><link rel="prev" href="ch01s02.html" title="Design of the Linux SCSI subsystem" /><link rel="next" href="ch02s02.html" title="sr (SCSI CD-ROM)" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 2. SCSI upper layer</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch01s02.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="ch02s02.html">Next</a></td></tr></table><hr /></div><div class="chapter" title="Chapter 2. SCSI upper layer"><div class="titlepage"><div><div><h2 class="title"><a id="upper_layer"></a>Chapter 2. SCSI upper layer</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="ch02.html#sd">sd (SCSI Disk)</a></span></dt><dt><span class="sect1"><a href="ch02s02.html">sr (SCSI CD-ROM)</a></span></dt><dt><span class="sect1"><a href="ch02s03.html">st (SCSI Tape)</a></span></dt><dt><span class="sect1"><a href="ch02s04.html">sg (SCSI Generic)</a></span></dt><dt><span class="sect1"><a href="ch02s05.html">ch (SCSI Media Changer)</a></span></dt></dl></div><p>
The upper layer supports the user-kernel interface by providing
device nodes.
</p><div class="sect1" title="sd (SCSI Disk)"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="sd"></a>sd (SCSI Disk)</h2></div></div></div><p>sd (sd_mod.o)</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch01s02.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="ch02s02.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Design of the Linux SCSI subsystem </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> sr (SCSI CD-ROM)</td></tr></table></div></body></html>
