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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * FUSE: Filesystem in Userspace</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Copyright (C) 2025 Bernd Schubert <bschubert@ddn.com></span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * This program can be distributed under the terms of the GNU LGPLv2.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * See the file LGPL2.txt</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> */</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> </div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#ifndef FUSE_URING_I_H_</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#define FUSE_URING_I_H_</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include "fuse_config.h"</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include "fuse_lowlevel.h"</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include "fuse_kernel.h"</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#ifndef HAVE_URING</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include "util.h"</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <errno.h></span> <span class="comment">// IWYU pragma: keep</span></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><span class="comment">/* io-uring defaults */</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#define SESSION_DEF_URING_ENABLE (0)</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#define SESSION_DEF_URING_Q_DEPTH (8)</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="keywordtype">void</span> fuse_session_process_uring_cqe(<span class="keyword">struct</span> fuse_session *se,</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">struct</span> fuse_req *req,</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">struct</span> fuse_in_header *in, <span class="keywordtype">void</span> *in_header,</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="keywordtype">void</span> *in_payload, <span class="keywordtype">size_t</span> payload_len);</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="preprocessor">#ifdef HAVE_URING</span></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="keyword">struct </span>fuse_in_header;</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><span class="keywordtype">int</span> fuse_uring_start(<span class="keyword">struct</span> fuse_session *se);</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keywordtype">void</span> fuse_uring_wake_ring_threads(<span class="keyword">struct</span> fuse_session *se);</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="keywordtype">int</span> fuse_uring_stop(<span class="keyword">struct</span> fuse_session *se);</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keywordtype">int</span> send_reply_uring(<a class="code hl_typedef" href="fuse-3_817_83_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keywordtype">int</span> error, <span class="keyword">const</span> <span class="keywordtype">void</span> *arg,</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordtype">size_t</span> argsize);</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><span class="keywordtype">int</span> fuse_reply_data_uring(<a class="code hl_typedef" href="fuse-3_817_83_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keyword">struct</span> <a class="code hl_struct" href="structfuse__bufvec.html">fuse_bufvec</a> *bufv,</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">enum</span> <a class="code hl_enumeration" href="fuse-3_817_83_2include_2fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18">fuse_buf_copy_flags</a> flags);</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="keywordtype">int</span> fuse_send_msg_uring(<a class="code hl_typedef" href="fuse-3_817_83_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keyword">struct</span> iovec *iov, <span class="keywordtype">int</span> count);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="preprocessor">#else </span><span class="comment">// HAVE_URING</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> fuse_uring_start(<span class="keyword">struct</span> fuse_session *se FUSE_VAR_UNUSED)</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>{</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">return</span> -ENOTSUP;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>}</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>fuse_uring_wake_ring_threads(<span class="keyword">struct</span> fuse_session *se FUSE_VAR_UNUSED)</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span>{</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span>}</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> fuse_uring_stop(<span class="keyword">struct</span> fuse_session *se FUSE_VAR_UNUSED)</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span>{</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">return</span> -ENOTSUP;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>}</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> send_reply_uring(<a class="code hl_typedef" href="fuse-3_817_83_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req FUSE_VAR_UNUSED,</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordtype">int</span> error FUSE_VAR_UNUSED,</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">const</span> <span class="keywordtype">void</span> *arg FUSE_VAR_UNUSED,</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordtype">size_t</span> argsize FUSE_VAR_UNUSED)</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>{</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">return</span> -ENOTSUP;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span>}</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span>fuse_reply_data_uring(<a class="code hl_typedef" href="fuse-3_817_83_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req FUSE_VAR_UNUSED,</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structfuse__bufvec.html">fuse_bufvec</a> *bufv FUSE_VAR_UNUSED,</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">enum</span> <a class="code hl_enumeration" href="fuse-3_817_83_2include_2fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18">fuse_buf_copy_flags</a> flags FUSE_VAR_UNUSED)</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>{</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> -ENOTSUP;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span>}</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> fuse_send_msg_uring(<a class="code hl_typedef" href="fuse-3_817_83_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req FUSE_VAR_UNUSED,</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">struct</span> iovec *iov FUSE_VAR_UNUSED,</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordtype">int</span> count FUSE_VAR_UNUSED)</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>{</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">return</span> -ENOTSUP;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span>}</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="preprocessor">#endif </span><span class="comment">// HAVE_URING</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="preprocessor">#endif </span><span class="comment">// FUSE_URING_I_H_</span></div>
<div class="ttc" id="afuse-3_817_83_2include_2fuse__common_8h_html_aec0ad71a3e8c357ebe7e87cdecbdbe18"><div class="ttname"><a href="fuse-3_817_83_2include_2fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18">fuse_buf_copy_flags</a></div><div class="ttdeci">fuse_buf_copy_flags</div><div class="ttdef"><b>Definition</b> <a href="fuse-3_817_83_2include_2fuse__common_8h_source.html#l00839">fuse_common.h:839</a></div></div>
<div class="ttc" id="afuse-3_817_83_2include_2fuse__lowlevel_8h_html_a33e2aa4a8905a05397292ae047cd2257"><div class="ttname"><a href="fuse-3_817_83_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a></div><div class="ttdeci">struct fuse_req * fuse_req_t</div><div class="ttdef"><b>Definition</b> <a href="fuse-3_817_83_2include_2fuse__lowlevel_8h_source.html#l00050">fuse_lowlevel.h:50</a></div></div>
<div class="ttc" id="astructfuse__bufvec_html"><div class="ttname"><a href="structfuse__bufvec.html">fuse_bufvec</a></div><div class="ttdef"><b>Definition</b> <a href="fuse-3_817_83_2include_2fuse__common_8h_source.html#l00933">fuse_common.h:933</a></div></div>
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