1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>drm_pci_alloc</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux DRM Developer's Guide"><link rel="up" href="drmInternals.html#idp1119509092" title="Device Registration"><link rel="prev" href="drmInternals.html" title="Chapter 2. DRM Internals"><link rel="next" href="API-drm-pci-free.html" title="drm_pci_free"></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">drm_pci_alloc</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="drmInternals.html">Prev</a> </td><th width="60%" align="center">Device Registration</th><td width="20%" align="right"> <a accesskey="n" href="API-drm-pci-free.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-drm-pci-alloc"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>drm_pci_alloc — 2 Allocate a PCI consistent memory block, for DMA. 3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">drm_dma_handle_t * <b class="fsfunc">drm_pci_alloc </b>(</code></td><td>struct drm_device * <var class="pdparam">dev</var>, </td></tr><tr><td> </td><td>size_t <var class="pdparam">size</var>, </td></tr><tr><td> </td><td>size_t <var class="pdparam">align</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="idp1119515484"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p> 4 DRM device 5 </p></dd><dt><span class="term"><em class="parameter"><code>size</code></em></span></dt><dd><p> 6 size of block to allocate 7 </p></dd><dt><span class="term"><em class="parameter"><code>align</code></em></span></dt><dd><p> 8 alignment of block 9 </p></dd></dl></div></div><div class="refsect1"><a name="idp1119519012"></a><h2>Return</h2><p> 10 A handle to the allocated memory block on success or NULL on 11 failure. 12</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="drmInternals.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="drmInternals.html#idp1119509092">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-drm-pci-free.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 2. DRM Internals </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">drm_pci_free</span></td></tr></table></div></body></html> 13