1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Chapter 9. Hardware Interfaces</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The Linux Kernel API"><link rel="up" href="index.html" title="The Linux Kernel API"><link rel="prev" href="ch08s02.html" title="Inter Module support"><link rel="next" href="API-synchronize-hardirq.html" title="synchronize_hardirq"></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">Chapter 9. Hardware Interfaces</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch08s02.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="API-synchronize-hardirq.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="hardware"></a>Chapter 9. Hardware Interfaces</h1></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl class="toc"><dt><span class="sect1"><a href="hardware.html#idp1125715868">Interrupt Handling</a></span></dt><dt><span class="sect1"><a href="ch09s02.html">DMA Channels</a></span></dt><dt><span class="sect1"><a href="ch09s03.html">Resources Management</a></span></dt><dt><span class="sect1"><a href="ch09s04.html">MTRR Handling</a></span></dt><dt><span class="sect1"><a href="ch09s05.html">PCI Support Library</a></span></dt><dt><span class="sect1"><a href="ch09s06.html">PCI Hotplug Support Library</a></span></dt></dl></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="idp1125715868"></a>Interrupt Handling</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="refentrytitle"><a href="API-synchronize-hardirq.html"><span class="phrase">synchronize_hardirq</span></a></span><span class="refpurpose"> — 2 wait for pending hard IRQ handlers (on other CPUs) 3 </span></dt><dt><span class="refentrytitle"><a href="API-synchronize-irq.html"><span class="phrase">synchronize_irq</span></a></span><span class="refpurpose"> — 4 wait for pending IRQ handlers (on other CPUs) 5 </span></dt><dt><span class="refentrytitle"><a href="API-irq-set-affinity-notifier.html"><span class="phrase">irq_set_affinity_notifier</span></a></span><span class="refpurpose"> — 6 control notification of IRQ affinity changes 7 </span></dt><dt><span class="refentrytitle"><a href="API-disable-irq-nosync.html"><span class="phrase">disable_irq_nosync</span></a></span><span class="refpurpose"> — 8 disable an irq without waiting 9 </span></dt><dt><span class="refentrytitle"><a href="API-disable-irq.html"><span class="phrase">disable_irq</span></a></span><span class="refpurpose"> — 10 disable an irq and wait for completion 11 </span></dt><dt><span class="refentrytitle"><a href="API-disable-hardirq.html"><span class="phrase">disable_hardirq</span></a></span><span class="refpurpose"> — 12 disables an irq and waits for hardirq completion 13 </span></dt><dt><span class="refentrytitle"><a href="API-enable-irq.html"><span class="phrase">enable_irq</span></a></span><span class="refpurpose"> — 14 enable handling of an irq 15 </span></dt><dt><span class="refentrytitle"><a href="API-irq-set-irq-wake.html"><span class="phrase">irq_set_irq_wake</span></a></span><span class="refpurpose"> — 16 control irq power management wakeup 17 </span></dt><dt><span class="refentrytitle"><a href="API-irq-wake-thread.html"><span class="phrase">irq_wake_thread</span></a></span><span class="refpurpose"> — 18 wake the irq thread for the action identified by dev_id 19 </span></dt><dt><span class="refentrytitle"><a href="API-setup-irq.html"><span class="phrase">setup_irq</span></a></span><span class="refpurpose"> — 20 setup an interrupt 21 </span></dt><dt><span class="refentrytitle"><a href="API-remove-irq.html"><span class="phrase">remove_irq</span></a></span><span class="refpurpose"> — 22 free an interrupt 23 </span></dt><dt><span class="refentrytitle"><a href="API-free-irq.html"><span class="phrase">free_irq</span></a></span><span class="refpurpose"> — 24 free an interrupt allocated with request_irq 25 </span></dt><dt><span class="refentrytitle"><a href="API-request-threaded-irq.html"><span class="phrase">request_threaded_irq</span></a></span><span class="refpurpose"> — 26 allocate an interrupt line 27 </span></dt><dt><span class="refentrytitle"><a href="API-request-any-context-irq.html"><span class="phrase">request_any_context_irq</span></a></span><span class="refpurpose"> — 28 allocate an interrupt line 29 </span></dt></dl></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch08s02.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="API-synchronize-hardirq.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Inter Module support </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">synchronize_hardirq</span></td></tr></table></div></body></html> 30