<?xml version="1.0" encoding="ANSI_X3.4-1968" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>pci_read_rom</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /><link rel="home" href="index.html" title="The Linux Kernel API" /><link rel="up" href="ch09s05.html" title="PCI Support Library" /><link rel="prev" href="API-pci-write-rom.html" title="pci_write_rom" /><link rel="next" href="API-pci-remove-sysfs-dev-files.html" title="pci_remove_sysfs_dev_files" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>pci_read_rom</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-pci-write-rom.html">Prev</a> </td><th width="60%" align="center">PCI Support Library</th><td width="20%" align="right"> <a accesskey="n" href="API-pci-remove-sysfs-dev-files.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="pci_read_rom"><a id="API-pci-read-rom"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>pci_read_rom — read a PCI ROM </p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">ssize_t <strong>fsfuncpci_read_rom </strong>(</code></td><td>struct file * <var class="pdparam">filp</var>, </td></tr><tr><td> </td><td>struct kobject * <var class="pdparam">kobj</var>, </td></tr><tr><td> </td><td>struct bin_attribute * <var class="pdparam">bin_attr</var>, </td></tr><tr><td> </td><td>char * <var class="pdparam">buf</var>, </td></tr><tr><td> </td><td>loff_t <var class="pdparam">off</var>, </td></tr><tr><td> </td><td>size_t <var class="pdparam">count</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2645464"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>filp</code></em></span></dt><dd><p> sysfs file </p></dd><dt><span class="term"><em class="parameter"><code>kobj</code></em></span></dt><dd><p> kernel object handle </p></dd><dt><span class="term"><em class="parameter"><code>bin_attr</code></em></span></dt><dd><p> struct bin_attribute for this file </p></dd><dt><span class="term"><em class="parameter"><code>buf</code></em></span></dt><dd><p> where to put the data we read from the ROM </p></dd><dt><span class="term"><em class="parameter"><code>off</code></em></span></dt><dd><p> file offset </p></dd><dt><span class="term"><em class="parameter"><code>count</code></em></span></dt><dd><p> number of bytes to read </p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2645576"></a><h2>Description</h2><p> Put <em class="parameter"><code>count</code></em> bytes starting at <em class="parameter"><code>off</code></em> into <em class="parameter"><code>buf</code></em> from the ROM in the PCI device corresponding to <em class="parameter"><code>kobj</code></em>. </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-pci-write-rom.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch09s05.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-pci-remove-sysfs-dev-files.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>pci_write_rom</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>pci_remove_sysfs_dev_files</span></td></tr></table></div></body></html>