1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>i915_gem_batch_pool_get</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="ch04s03.html#idp1128310204" title="Batchbuffer Pools"><link rel="prev" href="API-i915-gem-batch-pool-fini.html" title="i915_gem_batch_pool_fini"><link rel="next" href="API-intel-sanitize-enable-execlists.html" title="intel_sanitize_enable_execlists"></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">i915_gem_batch_pool_get</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-i915-gem-batch-pool-fini.html">Prev</a>&#160;</td><th width="60%" align="center">Batchbuffer Pools</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-intel-sanitize-enable-execlists.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-i915-gem-batch-pool-get"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>i915_gem_batch_pool_get &#8212; 
2     select a buffer from the pool
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">struct drm_i915_gem_object * <b class="fsfunc">i915_gem_batch_pool_get </b>(</code></td><td>struct i915_gem_batch_pool * <var class="pdparam">pool</var>, </td></tr><tr><td>&#160;</td><td>size_t <var class="pdparam">size</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1128332316"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>pool</code></em></span></dt><dd><p>
4     the batch buffer pool
5    </p></dd><dt><span class="term"><em class="parameter"><code>size</code></em></span></dt><dd><p>
6     the minimum desired size of the returned buffer
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1128334980"></a><h2>Description</h2><p>
8   Finds or allocates a batch buffer in the pool with at least the requested
9   size. The caller is responsible for any domain, active/inactive, or
10   purgeability management for the returned buffer.
11</p></div><div class="refsect1"><a name="idp1128335780"></a><h2>Note</h2><p>
12   Callers must hold the struct_mutex
13</p></div><div class="refsect1"><a name="idp1128336420"></a><h2>Return</h2><p>
14   the selected batch buffer object
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