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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_42bea3d40f1f1694e41a8f3166c98108.html">switch</a></li><li class="navelem"><a class="el" href="dir_030567a100544fde69eb57ff7e600533.html">nvidia</a></li> </ul>
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<div class="headertitle"><div class="title">gpu_channel.h</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include &quot;../kernel/event.h&quot;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &quot;channel.h&quot;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &quot;fence.h&quot;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#define GPFIFO_QUEUE_SIZE 0x800</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#define GPFIFO_ENTRY_NOT_MAIN BIT(9)</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#define GPFIFO_ENTRY_NO_PREFETCH BIT(31)</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="foldopen" id="foldopen00010" data-start="{" data-end="};">
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"><a class="line" href="structNvGpuChannel.html"> 10</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span>{</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> <a class="code hl_struct" href="structNvChannel.html">NvChannel</a> base;</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> <a class="code hl_struct" href="structEvent.html">Event</a> error_event;</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> <a class="code hl_typedef" href="types_8h.html#a3f7e2bcbb0b4c338f3c4f6c937cd4234">u64</a> object_id;</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> <a class="code hl_struct" href="structnvioctl__fence.html">NvFence</a> fence;</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <a class="code hl_typedef" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> fence_incr;</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> <a class="code hl_struct" href="structnvioctl__gpfifo__entry.html">nvioctl_gpfifo_entry</a> entries[GPFIFO_QUEUE_SIZE];</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> <a class="code hl_typedef" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> num_entries;</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span>} <a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a>;</div>
</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><a class="code hl_typedef" href="types_8h.html#ad1be2721625a17f1be47fac918032afe">Result</a> nvGpuChannelCreate(<a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a>* c, <span class="keyword">struct</span> <a class="code hl_struct" href="structNvAddressSpace.html">NvAddressSpace</a>* as, NvChannelPriority prio);</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="keywordtype">void</span> nvGpuChannelClose(<a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a>* c);</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><a class="code hl_typedef" href="types_8h.html#ad1be2721625a17f1be47fac918032afe">Result</a> nvGpuChannelZcullBind(<a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a>* c, iova_t iova);</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><a class="code hl_typedef" href="types_8h.html#ad1be2721625a17f1be47fac918032afe">Result</a> nvGpuChannelAppendEntry(<a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a>* c, iova_t start, <span class="keywordtype">size_t</span> num_cmds, <a class="code hl_typedef" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> flags, <a class="code hl_typedef" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> flush_threshold);</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><a class="code hl_typedef" href="types_8h.html#ad1be2721625a17f1be47fac918032afe">Result</a> nvGpuChannelKickoff(<a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a>* c);</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><a class="code hl_typedef" href="types_8h.html#ad1be2721625a17f1be47fac918032afe">Result</a> nvGpuChannelGetErrorNotification(<a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a>* c, <a class="code hl_struct" href="structNvNotification.html">NvNotification</a>* notif);</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><a class="code hl_typedef" href="types_8h.html#ad1be2721625a17f1be47fac918032afe">Result</a> nvGpuChannelGetErrorInfo(<a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a>* c, <a class="code hl_struct" href="structNvError.html">NvError</a>* error);</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code hl_typedef" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> nvGpuChannelGetSyncpointId(<a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a>* c)</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>{</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">return</span> c-&gt;fence.id;</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span>}</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> nvGpuChannelGetFence(<a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a>* c, <a class="code hl_struct" href="structnvioctl__fence.html">NvFence</a>* fence_out)</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span>{</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> fence_out-&gt;id = c-&gt;fence.id;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> fence_out-&gt;value = c-&gt;fence.value + c-&gt;fence_incr;</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span>}</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> nvGpuChannelIncrFence(<a class="code hl_struct" href="structNvGpuChannel.html">NvGpuChannel</a>* c)</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>{</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> ++c-&gt;fence_incr;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>}</div>
<div class="ttc" id="astructEvent_html"><div class="ttname"><a href="structEvent.html">Event</a></div><div class="ttdoc">Kernel-mode event structure.</div><div class="ttdef"><b>Definition</b> event.h:13</div></div>
<div class="ttc" id="astructNvAddressSpace_html"><div class="ttname"><a href="structNvAddressSpace.html">NvAddressSpace</a></div><div class="ttdef"><b>Definition</b> address_space.h:5</div></div>
<div class="ttc" id="astructNvChannel_html"><div class="ttname"><a href="structNvChannel.html">NvChannel</a></div><div class="ttdef"><b>Definition</b> channel.h:5</div></div>
<div class="ttc" id="astructNvError_html"><div class="ttname"><a href="structNvError.html">NvError</a></div><div class="ttdef"><b>Definition</b> ioctl.h:241</div></div>
<div class="ttc" id="astructNvGpuChannel_html"><div class="ttname"><a href="structNvGpuChannel.html">NvGpuChannel</a></div><div class="ttdef"><b>Definition</b> gpu_channel.h:11</div></div>
<div class="ttc" id="astructNvNotification_html"><div class="ttname"><a href="structNvNotification.html">NvNotification</a></div><div class="ttdef"><b>Definition</b> ioctl.h:234</div></div>
<div class="ttc" id="astructnvioctl__fence_html"><div class="ttname"><a href="structnvioctl__fence.html">nvioctl_fence</a></div><div class="ttdef"><b>Definition</b> ioctl.h:125</div></div>
<div class="ttc" id="astructnvioctl__gpfifo__entry_html"><div class="ttname"><a href="structnvioctl__gpfifo__entry.html">nvioctl_gpfifo_entry</a></div><div class="ttdef"><b>Definition</b> ioctl.h:130</div></div>
<div class="ttc" id="atypes_8h_html_a3f7e2bcbb0b4c338f3c4f6c937cd4234"><div class="ttname"><a href="types_8h.html#a3f7e2bcbb0b4c338f3c4f6c937cd4234">u64</a></div><div class="ttdeci">uint64_t u64</div><div class="ttdoc">64-bit unsigned integer.</div><div class="ttdef"><b>Definition</b> types.h:22</div></div>
<div class="ttc" id="atypes_8h_html_ad1be2721625a17f1be47fac918032afe"><div class="ttname"><a href="types_8h.html#ad1be2721625a17f1be47fac918032afe">Result</a></div><div class="ttdeci">u32 Result</div><div class="ttdoc">Function error code result type.</div><div class="ttdef"><b>Definition</b> types.h:44</div></div>
<div class="ttc" id="atypes_8h_html_afaa62991928fb9fb18ff0db62a040aba"><div class="ttname"><a href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a></div><div class="ttdeci">uint32_t u32</div><div class="ttdoc">32-bit unsigned integer.</div><div class="ttdef"><b>Definition</b> types.h:21</div></div>
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