1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>struct irq_data</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux generic IRQ handling"><link rel="up" href="structs.html" title="Chapter 8. Structures"><link rel="prev" href="API-struct-irq-common-data.html" title="struct irq_common_data"><link rel="next" href="API-struct-irq-chip.html" title="struct irq_chip"></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"><span class="phrase">struct irq_data</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-struct-irq-common-data.html">Prev</a> </td><th width="60%" align="center">Chapter 8. Structures</th><td width="20%" align="right"> <a accesskey="n" href="API-struct-irq-chip.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-struct-irq-data"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct irq_data — 
2     per irq chip data passed down to chip functions
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting">
4struct irq_data {
5  u32 mask;
6  unsigned int irq;
7  unsigned long hwirq;
8  struct irq_common_data * common;
9  struct irq_chip * chip;
10  struct irq_domain * domain;
11#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
12  struct irq_data * parent_data;
13#endif
14  void * chip_data;
15};  </pre></div><div class="refsect1"><a name="id-1.10.4.5"></a><h2>Members</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term">mask</span></dt><dd><p>
16   precomputed bitmask for accessing the chip registers
17      </p></dd><dt><span class="term">irq</span></dt><dd><p>
18   interrupt number
19      </p></dd><dt><span class="term">hwirq</span></dt><dd><p>
20   hardware interrupt number, local to the interrupt domain
21      </p></dd><dt><span class="term">common</span></dt><dd><p>
22   point to data shared by all irqchips
23      </p></dd><dt><span class="term">chip</span></dt><dd><p>
24   low level interrupt hardware access
25      </p></dd><dt><span class="term">domain</span></dt><dd><p>
26   Interrupt translation domain; responsible for mapping
27   between hwirq number and linux irq number.
28      </p></dd><dt><span class="term">parent_data</span></dt><dd><p>
29   pointer to parent struct irq_data to support hierarchy
30   irq_domain
31      </p></dd><dt><span class="term">chip_data</span></dt><dd><p>
32   platform-specific per-chip private data for the chip
33   methods, to allow shared chip implementations
34      </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="API-struct-irq-common-data.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="structs.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-struct-irq-chip.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">struct irq_common_data</span> </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">struct irq_chip</span></td></tr></table></div></body></html>
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