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<div class="header">
<div class="headertitle"><div class="title">vbus.h File Reference</div></div>
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<div class="contents">
<p>Description of the vbus C API.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;<a class="el" href="compiler_8h_source.html">l4/sys/compiler.h</a>&gt;</code><br />
<code>#include &lt;<a class="el" href="vbus__types_8h_source.html">l4/vbus/vbus_types.h</a>&gt;</code><br />
<code>#include &lt;<a class="el" href="l4_2sys_2types_8h_source.html">l4/sys/types.h</a>&gt;</code><br />
</div><div class="textblock"><div id="dynsection-0" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Include dependency graph for vbus.h:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-enum-members" class="groupheader"><a id="enum-members" name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:a11792b1cd672d66434a0c76cfd53ca13" id="r_a11792b1cd672d66434a0c76cfd53ca13"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom">{ <a class="el" href="#a11792b1cd672d66434a0c76cfd53ca13a37b6c6ee1e53d4ddd172f43a8dedc9b0">L4VBUS_NULL</a> = -1L
, <a class="el" href="#a11792b1cd672d66434a0c76cfd53ca13ad83203ea1310cc0d5be38f1df326acdd">L4VBUS_ROOT_BUS</a> = 0
}</td></tr>
<tr class="memdesc:a11792b1cd672d66434a0c76cfd53ca13"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constants for device nodes. <a href="#a11792b1cd672d66434a0c76cfd53ca13">More...</a><br /></td></tr>
<tr class="memitem:ad3c3f8bbab387942f996d7627873c002" id="r_ad3c3f8bbab387942f996d7627873c002"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ad3c3f8bbab387942f996d7627873c002">l4vbus_icu_src_types</a> { <a class="el" href="#ad3c3f8bbab387942f996d7627873c002a360bd82c1506c846659e88c4320552a5">L4VBUS_ICU_SRC_DEV_HANDLE</a> = 1ULL &lt;&lt; 63
}</td></tr>
<tr class="memdesc:ad3c3f8bbab387942f996d7627873c002"><td class="mdescLeft">&#160;</td><td class="mdescRight">Flags that can be used with the ICU on a vbus device. <a href="#ad3c3f8bbab387942f996d7627873c002">More...</a><br /></td></tr>
<tr class="memitem:gaaa3fba66d2a82d325d8882e52586b33b" id="r_gaaa3fba66d2a82d325d8882e52586b33b"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#gaaa3fba66d2a82d325d8882e52586b33b">L4vbus_dma_domain_assign_flags</a> { <a class="el" href="group__l4vbus__module.html#ggaaa3fba66d2a82d325d8882e52586b33ba8548a664b9e6433322527f496d92df5c">L4VBUS_DMAD_UNBIND</a> = 0
, <a class="el" href="group__l4vbus__module.html#ggaaa3fba66d2a82d325d8882e52586b33ba04cbfba164954838c2ae3d0fc06777b8">L4VBUS_DMAD_BIND</a> = 1
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}</td></tr>
<tr class="memdesc:gaaa3fba66d2a82d325d8882e52586b33b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Flags for <a class="el" href="group__l4vbus__module.html#ga230bfade9c21a168c3863cbe4f39e01f" title="Bind or unbind a kernel DMA space or a L4Re::Dma_space to a DMA domain.">l4vbus_assign_dma_domain()</a>. <a href="group__l4vbus__module.html#gaaa3fba66d2a82d325d8882e52586b33b">More...</a><br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-func-members" class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gaf965dbeed4864b72603c5ec69080f1ba" id="r_gaf965dbeed4864b72603c5ec69080f1ba"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4sys__defines.html#ga5f022ce5422df9cc6ed415e2bfc90f59">L4_BEGIN_DECLS</a> int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#gaf965dbeed4864b72603c5ec69080f1ba">l4vbus_get_device_by_hid</a> (<a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> vbus, <a class="el" href="vbus__types_8h.html#a3d2ee122c9c592d768eee886d36b31cf">l4vbus_device_handle_t</a> parent, <a class="el" href="vbus__types_8h.html#a3d2ee122c9c592d768eee886d36b31cf">l4vbus_device_handle_t</a> *child, char const *hid, int depth, <a class="el" href="structl4vbus__device__t.html">l4vbus_device_t</a> *devinfo)</td></tr>
<tr class="memdesc:gaf965dbeed4864b72603c5ec69080f1ba"><td class="mdescLeft">&#160;</td><td class="mdescRight">Find a device by the hardware interface identifier (HID). <br /></td></tr>
<tr class="memitem:ga1510914cb12bcd56b4caa65be360ee3c" id="r_ga1510914cb12bcd56b4caa65be360ee3c"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#ga1510914cb12bcd56b4caa65be360ee3c">l4vbus_get_next_device</a> (<a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> vbus, <a class="el" href="vbus__types_8h.html#a3d2ee122c9c592d768eee886d36b31cf">l4vbus_device_handle_t</a> parent, <a class="el" href="vbus__types_8h.html#a3d2ee122c9c592d768eee886d36b31cf">l4vbus_device_handle_t</a> *child, int depth, <a class="el" href="structl4vbus__device__t.html">l4vbus_device_t</a> *devinfo)</td></tr>
<tr class="memdesc:ga1510914cb12bcd56b4caa65be360ee3c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Find next child following <span class="tt">child</span>. <br /></td></tr>
<tr class="memitem:ga51a6613ae6f11cc29269bf9623782e1d" id="r_ga51a6613ae6f11cc29269bf9623782e1d"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#ga51a6613ae6f11cc29269bf9623782e1d">l4vbus_get_device</a> (<a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> vbus, <a class="el" href="vbus__types_8h.html#a3d2ee122c9c592d768eee886d36b31cf">l4vbus_device_handle_t</a> dev, <a class="el" href="structl4vbus__device__t.html">l4vbus_device_t</a> *devinfo)</td></tr>
<tr class="memdesc:ga51a6613ae6f11cc29269bf9623782e1d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Obtain detailed information about a Vbus device. <br /></td></tr>
<tr class="memitem:ga73c4138ed1d2d56edb5eabdbcc5da65d" id="r_ga73c4138ed1d2d56edb5eabdbcc5da65d"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#ga73c4138ed1d2d56edb5eabdbcc5da65d">l4vbus_get_resource</a> (<a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> vbus, <a class="el" href="vbus__types_8h.html#a3d2ee122c9c592d768eee886d36b31cf">l4vbus_device_handle_t</a> dev, unsigned res_idx, <a class="el" href="structl4vbus__resource__t.html">l4vbus_resource_t</a> *res)</td></tr>
<tr class="memdesc:ga73c4138ed1d2d56edb5eabdbcc5da65d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Obtain the resource description of an individual device resource. <br /></td></tr>
<tr class="memitem:gada51cecbba0d25a6d05e810b737f3df5" id="r_gada51cecbba0d25a6d05e810b737f3df5"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#gada51cecbba0d25a6d05e810b737f3df5">l4vbus_is_compatible</a> (<a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> vbus, <a class="el" href="vbus__types_8h.html#a3d2ee122c9c592d768eee886d36b31cf">l4vbus_device_handle_t</a> dev, char const *cid)</td></tr>
<tr class="memdesc:gada51cecbba0d25a6d05e810b737f3df5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Check if the given device has a compatibility ID (CID) or HID that matches <em class="arg">cid</em>. <br /></td></tr>
<tr class="memitem:ga49e5eea787382be584322a537f3e0bdd" id="r_ga49e5eea787382be584322a537f3e0bdd"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#ga49e5eea787382be584322a537f3e0bdd">l4vbus_get_hid</a> (<a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> vbus, <a class="el" href="vbus__types_8h.html#a3d2ee122c9c592d768eee886d36b31cf">l4vbus_device_handle_t</a> dev, char *hid, unsigned long max_len)</td></tr>
<tr class="memdesc:ga49e5eea787382be584322a537f3e0bdd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the HID (hardware identifier) of a device. <br /></td></tr>
<tr class="memitem:ga2daf9887e40aed27c500e4fc01afc7c9" id="r_ga2daf9887e40aed27c500e4fc01afc7c9"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#ga2daf9887e40aed27c500e4fc01afc7c9">l4vbus_get_adr</a> (<a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> vbus, <a class="el" href="vbus__types_8h.html#a3d2ee122c9c592d768eee886d36b31cf">l4vbus_device_handle_t</a> dev, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *adr)</td></tr>
<tr class="memdesc:ga2daf9887e40aed27c500e4fc01afc7c9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the bus-specific address of a device. <br /></td></tr>
<tr class="memitem:ga7cafdd96c957a08f9e84b197ecfb956f" id="r_ga7cafdd96c957a08f9e84b197ecfb956f"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#ga7cafdd96c957a08f9e84b197ecfb956f">l4vbus_request_ioport</a> (<a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> vbus, <a class="el" href="structl4vbus__resource__t.html">l4vbus_resource_t</a> const *res)</td></tr>
<tr class="memdesc:ga7cafdd96c957a08f9e84b197ecfb956f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Request an IO port resource. <br /></td></tr>
<tr class="memitem:ga230bfade9c21a168c3863cbe4f39e01f" id="r_ga230bfade9c21a168c3863cbe4f39e01f"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#ga230bfade9c21a168c3863cbe4f39e01f">l4vbus_assign_dma_domain</a> (<a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> vbus, unsigned domain_id, unsigned flags, <a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> dma_space)</td></tr>
<tr class="memdesc:ga230bfade9c21a168c3863cbe4f39e01f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Bind or unbind a kernel <a class="el" href="group__l4__kernel__object__dmar__space.html">DMA space</a> or a <a class="el" href="classL4Re_1_1Dma__space.html" title="Managed DMA Address Space.">L4Re::Dma_space</a> to a DMA domain. <br /></td></tr>
<tr class="memitem:gaf6d8f34fe76d15c0e3e614c275be84dd" id="r_gaf6d8f34fe76d15c0e3e614c275be84dd"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#gaf6d8f34fe76d15c0e3e614c275be84dd">l4vbus_release_ioport</a> (<a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> vbus, <a class="el" href="structl4vbus__resource__t.html">l4vbus_resource_t</a> const *res)</td></tr>
<tr class="memdesc:gaf6d8f34fe76d15c0e3e614c275be84dd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Release a previously requested IO port resource. <br /></td></tr>
<tr class="memitem:gaefeb0d86979de1ef1aa53951cc3764fd" id="r_gaefeb0d86979de1ef1aa53951cc3764fd"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__l4vbus__module.html#gaefeb0d86979de1ef1aa53951cc3764fd">l4vbus_vicu_get_cap</a> (<a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> vbus, <a class="el" href="vbus__types_8h.html#a3d2ee122c9c592d768eee886d36b31cf">l4vbus_device_handle_t</a> icu, <a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> cap)</td></tr>
<tr class="memdesc:gaefeb0d86979de1ef1aa53951cc3764fd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get capability of ICU. <br /></td></tr>
</table>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Description of the vbus C API. </p>
<p class="definition">Definition in file <a class="el" href="vbus_8h_source.html">vbus.h</a>.</p>
</div><a name="doc-enum-members" id="doc-enum-members"></a><h2 id="header-doc-enum-members" class="groupheader">Enumeration Type Documentation</h2>
<a id="a11792b1cd672d66434a0c76cfd53ca13" name="a11792b1cd672d66434a0c76cfd53ca13"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a11792b1cd672d66434a0c76cfd53ca13">&#9670;&#160;</a></span>anonymous enum</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">anonymous enum</td>
</tr>
</table>
</div><div class="memdoc">
<p>Constants for device nodes. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a11792b1cd672d66434a0c76cfd53ca13a37b6c6ee1e53d4ddd172f43a8dedc9b0" name="a11792b1cd672d66434a0c76cfd53ca13a37b6c6ee1e53d4ddd172f43a8dedc9b0"></a>L4VBUS_NULL&#160;</td><td class="fielddoc"><p>NULL device. </p>
</td></tr>
<tr><td class="fieldname"><a id="a11792b1cd672d66434a0c76cfd53ca13ad83203ea1310cc0d5be38f1df326acdd" name="a11792b1cd672d66434a0c76cfd53ca13ad83203ea1310cc0d5be38f1df326acdd"></a>L4VBUS_ROOT_BUS&#160;</td><td class="fielddoc"><p>Root device on the vbus. </p>
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<p class="definition">Definition at line <a class="el" href="vbus_8h_source.html#l00020">20</a> of file <a class="el" href="vbus_8h_source.html">vbus.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad3c3f8bbab387942f996d7627873c002">&#9670;&#160;</a></span>l4vbus_icu_src_types</h2>
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<td class="memname">enum <a class="el" href="#ad3c3f8bbab387942f996d7627873c002">l4vbus_icu_src_types</a></td>
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<p>Flags that can be used with the ICU on a vbus device. </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="ad3c3f8bbab387942f996d7627873c002a360bd82c1506c846659e88c4320552a5" name="ad3c3f8bbab387942f996d7627873c002a360bd82c1506c846659e88c4320552a5"></a>L4VBUS_ICU_SRC_DEV_HANDLE&#160;</td><td class="fielddoc"><p>Flag to denote that the value should be interpreted as a device handle. </p>
<p>This flag may be used in the <span class="tt">source</span> parameter in <a class="el" href="group__l4__icu__api.html#ga626c5b32a678d274de89b2be944b6a3f" title="Get MSI info about IRQ.">l4_icu_msi_info()</a> to denote that the ICU should interpret the source ID as a device handle. </p>
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<p class="definition">Definition at line <a class="el" href="vbus_8h_source.html#l00026">26</a> of file <a class="el" href="vbus_8h_source.html">vbus.h</a>.</p>
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