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<h1>include/native/intr.h</h1><a href="include_2native_2intr_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef _XENO_INTR_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define _XENO_INTR_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <nucleus/intr.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <<a class="code" href="native_2types_8h.html" title="This file is part of the Xenomai project.">native/types.h</a>></span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="comment">/* Creation flag. */</span>
<a name="l00029"></a>00029 <span class="preprocessor">#define I_NOAUTOENA XN_ISR_NOENABLE </span><span class="comment">/* Do not auto-enable interrupt channel</span>
<a name="l00030"></a>00030 <span class="comment"> after each IRQ. */</span>
<a name="l00031"></a>00031 <span class="preprocessor">#define I_PROPAGATE XN_ISR_PROPAGATE </span><span class="comment">/* Propagate IRQs down the</span>
<a name="l00032"></a>00032 <span class="comment"> pipeline after processing; IOW,</span>
<a name="l00033"></a>00033 <span class="comment"> pass them to Linux. */</span>
<a name="l00034"></a>00034 <span class="keyword">typedef</span> <span class="keyword">struct </span>rt_intr_info {
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keywordtype">unsigned</span> irq; <span class="comment">/* !< Interrupt request number. */</span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> hits; <span class="comment">/* !< Number of receipts (since attachment), 0 if</span>
<a name="l00039"></a>00039 <span class="comment"> statistics support is disable in the nucleus. */</span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="keywordtype">char</span> name[XNOBJECT_NAME_LEN]; <span class="comment">/* !< Symbolic name. */</span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043 } RT_INTR_INFO;
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">typedef</span> <span class="keyword">struct </span>rt_intr_placeholder {
<a name="l00046"></a>00046 xnhandle_t opaque;
<a name="l00047"></a>00047 } RT_INTR_PLACEHOLDER;
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="preprocessor">#if (defined(__KERNEL__) || defined(__XENO_SIM__)) && !defined(DOXYGEN_CPP)</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span>
<a name="l00051"></a>00051 <span class="preprocessor">#include <nucleus/synch.h></span>
<a name="l00052"></a>00052 <span class="preprocessor">#include <<a class="code" href="native_2ppd_8h.html" title="This file is part of the Xenomai project.">native/ppd.h</a>></span>
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="preprocessor">#define XENO_INTR_MAGIC 0x55550a0a</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span>
<a name="l00056"></a>00056 <span class="comment">/* Creation flags. */</span>
<a name="l00057"></a>00057 <span class="preprocessor">#define I_SHARED XN_ISR_SHARED</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor">#define I_EDGE XN_ISR_EDGE</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span>
<a name="l00060"></a>00060 <span class="preprocessor">#define RT_INTR_HANDLED XN_ISR_HANDLED</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span><span class="preprocessor">#define RT_INTR_NONE XN_ISR_NONE</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span><span class="preprocessor">#define RT_INTR_PROPAGATE XN_ISR_PROPAGATE</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span><span class="preprocessor">#define RT_INTR_NOENABLE XN_ISR_NOENABLE</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span>
<a name="l00065"></a>00065 <span class="preprocessor">#define I_DESC(xintr) ((RT_INTR *)(xintr)->cookie)</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span>
<a name="l00067"></a>00067 <span class="keyword">typedef</span> <span class="keyword">struct </span>rt_intr {
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordtype">unsigned</span> magic; <span class="comment">/* !< Magic code - must be first */</span>
<a name="l00070"></a>00070
<a name="l00071"></a>00071 xnintr_t intr_base; <span class="comment">/* !< Base interrupt object. */</span>
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keywordtype">void</span> *private_data; <span class="comment">/* !< Private user-defined data. */</span>
<a name="l00074"></a>00074
<a name="l00075"></a>00075 xnhandle_t handle; <span class="comment">/* !< Handle in registry -- zero if unregistered. */</span>
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordtype">char</span> name[XNOBJECT_NAME_LEN]; <span class="comment">/* !< Symbolic name. */</span>
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_PERVASIVE</span>
<a name="l00080"></a>00080 <span class="preprocessor"></span> <span class="keywordtype">int</span> mode; <span class="comment">/* !< Interrupt control mode. */</span>
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordtype">int</span> pending; <span class="comment">/* !< Pending hits to process. */</span>
<a name="l00083"></a>00083
<a name="l00084"></a>00084 xnsynch_t synch_base; <span class="comment">/* !< Base synchronization object. */</span>
<a name="l00085"></a>00085
<a name="l00086"></a>00086 pid_t cpid; <span class="comment">/* !< Creator's pid. */</span>
<a name="l00087"></a>00087 <span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_PERVASIVE */</span>
<a name="l00088"></a>00088
<a name="l00089"></a>00089 xnholder_t rlink; <span class="comment">/* !< Link in resource queue. */</span>
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="preprocessor">#define rlink2intr(ln) container_of(ln, RT_INTR, rlink)</span>
<a name="l00092"></a>00092 <span class="preprocessor"></span>
<a name="l00093"></a>00093 xnqueue_t *rqueue; <span class="comment">/* !< Backpointer to resource queue. */</span>
<a name="l00094"></a>00094
<a name="l00095"></a>00095 } RT_INTR;
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="preprocessor">#define rt_intr_save(x) splhigh(x)</span>
<a name="l00098"></a>00098 <span class="preprocessor"></span><span class="preprocessor">#define rt_intr_restore(x) splexit(x)</span>
<a name="l00099"></a>00099 <span class="preprocessor"></span><span class="preprocessor">#define rt_intr_unmask() splnone()</span>
<a name="l00100"></a>00100 <span class="preprocessor"></span><span class="preprocessor">#define rt_intr_flags(x) splget(x)</span>
<a name="l00101"></a>00101 <span class="preprocessor"></span>
<a name="l00102"></a>00102 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00104"></a>00104 <span class="preprocessor">#endif</span>
<a name="l00105"></a>00105 <span class="preprocessor"></span>
<a name="l00106"></a>00106 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_NATIVE_INTR</span>
<a name="l00107"></a>00107 <span class="preprocessor"></span>
<a name="l00108"></a>00108 <span class="keywordtype">int</span> __native_intr_pkg_init(<span class="keywordtype">void</span>);
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordtype">void</span> __native_intr_pkg_cleanup(<span class="keywordtype">void</span>);
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> __native_intr_flush_rq(xnqueue_t *rq)
<a name="l00113"></a>00113 {
<a name="l00114"></a>00114 xeno_flush_rq(RT_INTR, rq, intr);
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="preprocessor">#else </span><span class="comment">/* !CONFIG_XENO_OPT_NATIVE_INTR */</span>
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="preprocessor">#define __native_intr_pkg_init() ({ 0; })</span>
<a name="l00120"></a>00120 <span class="preprocessor"></span><span class="preprocessor">#define __native_intr_pkg_cleanup() do { } while(0)</span>
<a name="l00121"></a>00121 <span class="preprocessor"></span><span class="preprocessor">#define __native_intr_flush_rq(rq) do { } while(0)</span>
<a name="l00122"></a>00122 <span class="preprocessor"></span>
<a name="l00123"></a>00123 <span class="preprocessor">#endif </span><span class="comment">/* !CONFIG_XENO_OPT_NATIVE_INTR */</span>
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="keywordtype">int</span> <a class="code" href="group__interrupt.html#g92fa8e83f6f3db05dd1d2d075dd310ee" title="Create an interrupt object from user-space.">rt_intr_create</a>(RT_INTR *intr,
<a name="l00126"></a>00126 <span class="keyword">const</span> <span class="keywordtype">char</span> *name,
<a name="l00127"></a>00127 <span class="keywordtype">unsigned</span> irq,
<a name="l00128"></a>00128 rt_isr_t isr,
<a name="l00129"></a>00129 rt_iack_t iack,
<a name="l00130"></a>00130 <span class="keywordtype">int</span> mode);
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_PERVASIVE</span>
<a name="l00133"></a>00133 <span class="preprocessor"></span><span class="keywordtype">int</span> rt_intr_handler(xnintr_t *cookie);
<a name="l00134"></a>00134 <span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_PERVASIVE */</span>
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00137"></a>00137 <span class="preprocessor"></span>}
<a name="l00138"></a>00138 <span class="preprocessor">#endif</span>
<a name="l00139"></a>00139 <span class="preprocessor"></span>
<a name="l00140"></a>00140 <span class="preprocessor">#else </span><span class="comment">/* !(__KERNEL__ || __XENO_SIM__) */</span>
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keyword">typedef</span> RT_INTR_PLACEHOLDER RT_INTR;
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00145"></a>00145 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00146"></a>00146 <span class="preprocessor">#endif</span>
<a name="l00147"></a>00147 <span class="preprocessor"></span>
<a name="l00148"></a>00148 <span class="keywordtype">int</span> <a class="code" href="group__interrupt.html#ge13742ca2710acfedc54c76541863fe3" title="Bind to an interrupt object.">rt_intr_bind</a>(RT_INTR *intr,
<a name="l00149"></a>00149 <span class="keyword">const</span> <span class="keywordtype">char</span> *name,
<a name="l00150"></a>00150 RTIME timeout);
<a name="l00151"></a>00151
<a name="l00152"></a><a class="code" href="group__interrupt.html#g4db46e047246e5c237a3c2816bf1889a">00152</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="group__interrupt.html#g4db46e047246e5c237a3c2816bf1889a" title="Unbind from an interrupt object.">rt_intr_unbind</a> (RT_INTR *intr)
<a name="l00153"></a>00153
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 intr->opaque = XN_NO_HANDLE;
<a name="l00156"></a>00156 <span class="keywordflow">return</span> 0;
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordtype">int</span> <a class="code" href="group__interrupt.html#g92fa8e83f6f3db05dd1d2d075dd310ee" title="Create an interrupt object from user-space.">rt_intr_create</a>(RT_INTR *intr,
<a name="l00160"></a>00160 <span class="keyword">const</span> <span class="keywordtype">char</span> *name,
<a name="l00161"></a>00161 <span class="keywordtype">unsigned</span> irq,
<a name="l00162"></a>00162 <span class="keywordtype">int</span> mode);
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="keywordtype">int</span> <a class="code" href="group__interrupt.html#g222e6a9a681f83b13ed5b51021711f4d" title="Wait for the next interrupt.">rt_intr_wait</a>(RT_INTR *intr,
<a name="l00165"></a>00165 RTIME timeout);
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00168"></a>00168 <span class="preprocessor"></span>}
<a name="l00169"></a>00169 <span class="preprocessor">#endif</span>
<a name="l00170"></a>00170 <span class="preprocessor"></span>
<a name="l00171"></a>00171 <span class="preprocessor">#endif </span><span class="comment">/* __KERNEL__ || __XENO_SIM__ */</span>
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00174"></a>00174 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00175"></a>00175 <span class="preprocessor">#endif</span>
<a name="l00176"></a>00176 <span class="preprocessor"></span>
<a name="l00177"></a>00177 <span class="comment">/* Public interface. */</span>
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="keywordtype">int</span> <a class="code" href="group__interrupt.html#g6da6ddd4e65b0feb47278dae74cab6c9" title="Delete an interrupt object.">rt_intr_delete</a>(RT_INTR *intr);
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="keywordtype">int</span> <a class="code" href="group__interrupt.html#gc712ee67f90d053a21bdb0041a63e17c" title="Enable an interrupt object.">rt_intr_enable</a>(RT_INTR *intr);
<a name="l00182"></a>00182
<a name="l00183"></a>00183 <span class="keywordtype">int</span> <a class="code" href="group__interrupt.html#g9cf127812ea07326d5f4924f3e28eb3f" title="Disable an interrupt object.">rt_intr_disable</a>(RT_INTR *intr);
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keywordtype">int</span> <a class="code" href="group__interrupt.html#gea34e43cbd6d6f515966f67990738395" title="Inquire about an interrupt object.">rt_intr_inquire</a>(RT_INTR *intr,
<a name="l00186"></a>00186 RT_INTR_INFO *info);
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00189"></a>00189 <span class="preprocessor"></span>}
<a name="l00190"></a>00190 <span class="preprocessor">#endif</span>
<a name="l00191"></a>00191 <span class="preprocessor"></span>
<a name="l00192"></a>00192 <span class="preprocessor">#endif </span><span class="comment">/* !_XENO_INTR_H */</span>
</pre></div></div>
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