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<a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_21e0927e9dd41d8ff1206ca4f0555726.html">ubixfsv2</a></div>
<h1>device.h</h1><a href="ubixfsv2_2device_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright (c) 2002-2004 The UbixOS Project</span>
<a name="l00003"></a>00003 <span class="comment"> All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> Redistribution and use in source and binary forms, with or without modification, are</span>
<a name="l00006"></a>00006 <span class="comment"> permitted provided that the following conditions are met:</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment"> Redistributions of source code must retain the above copyright notice, this list of</span>
<a name="l00009"></a>00009 <span class="comment"> conditions, the following disclaimer and the list of authors. Redistributions in binary</span>
<a name="l00010"></a>00010 <span class="comment"> form must reproduce the above copyright notice, this list of conditions, the following</span>
<a name="l00011"></a>00011 <span class="comment"> disclaimer and the list of authors in the documentation and/or other materials provided</span>
<a name="l00012"></a>00012 <span class="comment"> with the distribution. Neither the name of the UbixOS Project nor the names of its</span>
<a name="l00013"></a>00013 <span class="comment"> contributors may be used to endorse or promote products derived from this software</span>
<a name="l00014"></a>00014 <span class="comment"> without specific prior written permission.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY</span>
<a name="l00017"></a>00017 <span class="comment"> EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span>
<a name="l00018"></a>00018 <span class="comment"> MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL</span>
<a name="l00019"></a>00019 <span class="comment"> THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00020"></a>00020 <span class="comment"> SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span>
<a name="l00021"></a>00021 <span class="comment"> OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span>
<a name="l00022"></a>00022 <span class="comment"> HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR</span>
<a name="l00023"></a>00023 <span class="comment"> TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00024"></a>00024 <span class="comment"> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00025"></a>00025 <span class="comment"></span>
<a name="l00026"></a>00026 <span class="comment"> $Id: ubixfsv2_2device_8h-source.html 88 2016-01-12 00:11:29Z reddawg $</span>
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">*****************************************************************************************/</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#ifndef _DEVICE_H</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#define _DEVICE_H</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="comment">// #include <ubixos/types.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "<a class="code" href="ubixfsv2_2types_8h.html">types.h</a>"</span>
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keyword">struct </span><a class="code" href="structdevice__node.html">device_node</a> {
<a name="l00038"></a><a class="code" href="structdevice__node.html#7ec9182b21c0911760a148ac77a7e2a2">00038</a> <span class="keyword">struct </span><a class="code" href="structdevice__node.html">device_node</a> *<a class="code" href="structdevice__node.html#7ec9182b21c0911760a148ac77a7e2a2">prev</a>;
<a name="l00039"></a><a class="code" href="structdevice__node.html#747f88b0cd43b7b710d8fb86ea50fbaf">00039</a> <span class="keyword">struct </span><a class="code" href="structdevice__node.html">device_node</a> *<a class="code" href="structdevice__node.html#747f88b0cd43b7b710d8fb86ea50fbaf">next</a>;
<a name="l00040"></a><a class="code" href="structdevice__node.html#29a6d122bcf635d05e492d808f5c3dc2">00040</a> <span class="keyword">struct </span><a class="code" href="structdevice__t.html">device_t</a> *<a class="code" href="structdevice__node.html#588d09d5dabf1c8866d359aaac799b1c">devInfo</a>;
<a name="l00041"></a><a class="code" href="structdevice__node.html#d445e096509dce85b184a2a3d4f9a52f">00041</a> <span class="keyword">struct </span><a class="code" href="structdevice__resource.html">device_resource</a> *<a class="code" href="structdevice__node.html#d445e096509dce85b184a2a3d4f9a52f">devRec</a>;
<a name="l00042"></a>00042 <span class="keywordtype">char</span> <a class="code" href="structdevice__node.html#431c348cd0c27dceca9b3cd14ec6659d">type</a>;
<a name="l00043"></a>00043 <span class="keywordtype">int</span> <a class="code" href="structdevice__node.html#3817327901b55e2ca15b2e4dfa20789f">minor</a>;
<a name="l00044"></a>00044 };
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keyword">struct </span><a class="code" href="structdevice__resource.html">device_resource</a> {
<a name="l00047"></a>00047 <a class="code" href="include_2ubixos_2types_8h.html#a4e0f27a9aca905e340c06d2dcae843c">uInt8</a> <a class="code" href="structdevice__resource.html#d34267e377cf5ebe9720ac005ada0d2b">irq</a>;
<a name="l00048"></a>00048 };
<a name="l00049"></a>00049
<a name="l00050"></a><a class="code" href="structdevice__t.html">00050</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structdevice__t.html">device_t</a> {
<a name="l00051"></a><a class="code" href="structdevice__t.html#d03b23eb98c9f6f3befb7e3cdb015738">00051</a> <span class="keywordtype">int</span> <a class="code" href="structdevice__t.html#d03b23eb98c9f6f3befb7e3cdb015738">major</a>;
<a name="l00052"></a><a class="code" href="structdevice__t.html#39cbbf79bddb63ef5d02d8694f636965">00052</a> <span class="keywordtype">void</span> *<a class="code" href="structdevice__t.html#39cbbf79bddb63ef5d02d8694f636965">info</a>;
<a name="l00053"></a><a class="code" href="structdevice__t.html#2f31531436aa42b8c47bd26d38f5247d">00053</a> <a class="code" href="include_2ubixos_2types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> <a class="code" href="structdevice__t.html#2f31531436aa42b8c47bd26d38f5247d">sectors</a>;
<a name="l00054"></a>00054 int (*<a class="code" href="structdevice__t.html#9d3cb5a5fdcf892fe1a9683142174f7f">read</a>)(<a class="code" href="structdevice__t.html">device_t</a> *, <span class="keywordtype">void</span> *, <a class="code" href="include_2ubixos_2types_8h.html#fa178be408981cc5edd64227b6332fc6">off_t</a>, <a class="code" href="include_2ubixos_2types_8h.html#7619b847aeded8a6d14cbfa212b2cdfb">size_t</a>);
<a name="l00055"></a>00055 int (*<a class="code" href="structdevice__t.html#3bbbd39c26ac540dbbb934faffe752fb">write</a>)(<a class="code" href="structdevice__t.html">device_t</a> *, <span class="keywordtype">void</span> *, <a class="code" href="include_2ubixos_2types_8h.html#fa178be408981cc5edd64227b6332fc6">off_t</a>, <a class="code" href="include_2ubixos_2types_8h.html#7619b847aeded8a6d14cbfa212b2cdfb">size_t</a>);
<a name="l00056"></a>00056 int (*<a class="code" href="structdevice__t.html#93774f38e97c7c4549f197aa4cf1bd67">reset</a>)(<span class="keywordtype">void</span> *);
<a name="l00057"></a>00057 int (*<a class="code" href="structdevice__t.html#665edd8141f55340e3c687ae0902e342">init</a>)(<a class="code" href="structdevice__t.html">device_t</a> *);
<a name="l00058"></a>00058 void (*<a class="code" href="structdevice__t.html#e45ce7925f01ccb40f473dfe3e34de37">ioctl</a>)(<span class="keywordtype">void</span> *);
<a name="l00059"></a>00059 void (*<a class="code" href="structdevice__t.html#d963baa17236fe4a29b1fbcbaf348022">stop</a>)(<span class="keywordtype">void</span> *);
<a name="l00060"></a>00060 void (*<a class="code" href="structdevice__t.html#bcb4c8c9de98446599c10d8549f7fd93">start</a>)(<span class="keywordtype">void</span> *);
<a name="l00061"></a>00061 void (*<a class="code" href="structdevice__t.html#6408ad39168943b716db4be50fdaac07">standby</a>)(<span class="keywordtype">void</span> *);
<a name="l00062"></a>00062 };
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="preprocessor">#endif</span>
<a name="l00065"></a>00065 <span class="preprocessor"></span>
<a name="l00066"></a>00066 <span class="comment">/***</span>
<a name="l00067"></a>00067 <span class="comment"> $Log: ubixfsv2_2device_8h-source.html,v $
<a name="l00067"></a>00067 <span class="comment"> Revision 1.4 2006/12/06 04:41:03 reddawg
<a name="l00067"></a>00067 <span class="comment"> More syscalls implimented
<a name="l00067"></a>00067 <span class="comment"></span>
<a name="l00068"></a>00068 <span class="comment"> Revision 1.1.1.1 2006/06/01 12:46:15 reddawg</span>
<a name="l00069"></a>00069 <span class="comment"> ubix2</span>
<a name="l00070"></a>00070 <span class="comment"></span>
<a name="l00071"></a>00071 <span class="comment"> Revision 1.2 2005/10/12 00:13:38 reddawg</span>
<a name="l00072"></a>00072 <span class="comment"> Removed</span>
<a name="l00073"></a>00073 <span class="comment"></span>
<a name="l00074"></a>00074 <span class="comment"> Revision 1.1.1.1 2005/09/26 17:24:44 reddawg</span>
<a name="l00075"></a>00075 <span class="comment"> no message</span>
<a name="l00076"></a>00076 <span class="comment"></span>
<a name="l00077"></a>00077 <span class="comment"> Revision 1.4 2004/09/20 00:53:04 flameshadow</span>
<a name="l00078"></a>00078 <span class="comment"> chg: UbixFS::vfs_read() now works for direct block extents</span>
<a name="l00079"></a>00079 <span class="comment"> chg: UbixFS::vfs_read() returns ~0 on error, or the size read in on success</span>
<a name="l00080"></a>00080 <span class="comment"> chg: UbixFS::root member is now a fileDescriptor</span>
<a name="l00081"></a>00081 <span class="comment"> chg: UbixFS::vfs_init() creates a file descriptor for the root dir</span>
<a name="l00082"></a>00082 <span class="comment"> chg: UbixFS::vfs_format() now sets all values in the bTreeHeader before writing</span>
<a name="l00083"></a>00083 <span class="comment"> chg: UbixFS::vfs_format() sets the inode magic number</span>
<a name="l00084"></a>00084 <span class="comment"> chg: device_t::read(device_t *, void *, off_t, size_t)</span>
<a name="l00085"></a>00085 <span class="comment"> chg: device_t::write(device_t *, void *, off_t, size_t)</span>
<a name="l00086"></a>00086 <span class="comment"> chg: vfs_abstract::vfs_read(fileDescriptor *, void *, off_t, size_t)</span>
<a name="l00087"></a>00087 <span class="comment"> chg: vfs_abstract::vfs_write(fileDescriptor *, void *, off_t, size_t)</span>
<a name="l00088"></a>00088 <span class="comment"> chg: ramDrive_read(device_t *dev,void *ptr,off_t offset,size_t length)</span>
<a name="l00089"></a>00089 <span class="comment"> chg: ramDrive_write(device_t *dev,void *ptr,off_t offset,size_t length)</span>
<a name="l00090"></a>00090 <span class="comment"></span>
<a name="l00091"></a>00091 <span class="comment"> Revision 1.3 2004/09/13 15:21:26 flameshadow</span>
<a name="l00092"></a>00092 <span class="comment"> add: ramdrive.h</span>
<a name="l00093"></a>00093 <span class="comment"> chg: renamed device_t.size to sectors</span>
<a name="l00094"></a>00094 <span class="comment"> chg: made #define for size of ramdisk</span>
<a name="l00095"></a>00095 <span class="comment"> chg: calculated sectors of ramdisk and stored in the device_t struct</span>
<a name="l00096"></a>00096 <span class="comment"></span>
<a name="l00097"></a>00097 <span class="comment"> Revision 1.2 2004/09/11 22:05:59 flameshadow</span>
<a name="l00098"></a>00098 <span class="comment"> chg: modified UbixFS::vfs_format() to properly init the device</span>
<a name="l00099"></a>00099 <span class="comment"> chg: modified UbixFS::vfs_init() to verify that it's a ubixfs partition</span>
<a name="l00100"></a>00100 <span class="comment"> add: added BAT blockRun in the superBlock</span>
<a name="l00101"></a>00101 <span class="comment"></span>
<a name="l00102"></a>00102 <span class="comment"> Revision 1.1 2004/09/11 12:43:42 flameshadow</span>
<a name="l00103"></a>00103 <span class="comment"> add: device.h, types.h. Temporarily moved custom ubix typedefs to types.h</span>
<a name="l00104"></a>00104 <span class="comment"> (<ubixos/types.h> supercedes this file when this code is included into</span>
<a name="l00105"></a>00105 <span class="comment"> the kernel)</span>
<a name="l00106"></a>00106 <span class="comment"> chg: changed dev_t to device_interface so as to not conflict with bsd/linux</span>
<a name="l00107"></a>00107 <span class="comment"> definitions</span>
<a name="l00108"></a>00108 <span class="comment"> chg: fixed up compiler warnings in btree.cpp</span>
<a name="l00109"></a>00109 <span class="comment"></span>
<a name="l00110"></a>00110 <span class="comment"> Revision 1.14 2004/08/15 00:33:02 reddawg</span>
<a name="l00111"></a>00111 <span class="comment"> Wow the ide driver works again</span>
<a name="l00112"></a>00112 <span class="comment"></span>
<a name="l00113"></a>00113 <span class="comment"> Revision 1.13 2004/08/14 21:56:44 reddawg</span>
<a name="l00114"></a>00114 <span class="comment"> Added initialized byte to the device system to make it easy to add child devices which use parent hardware.</span>
<a name="l00115"></a>00115 <span class="comment"></span>
<a name="l00116"></a>00116 <span class="comment"> Revision 1.12 2004/07/21 10:02:09 reddawg</span>
<a name="l00117"></a>00117 <span class="comment"> devfs: renamed functions</span>
<a name="l00118"></a>00118 <span class="comment"> device system: renamed functions</span>
<a name="l00119"></a>00119 <span class="comment"> fdc: fixed a few potential bugs and cleaned up some unused variables</span>
<a name="l00120"></a>00120 <span class="comment"> strol: fixed definition</span>
<a name="l00121"></a>00121 <span class="comment"> endtask: made it print out freepage debug info</span>
<a name="l00122"></a>00122 <span class="comment"> kmalloc: fixed a huge memory leak we had some unhandled descriptor insertion so some descriptors were lost</span>
<a name="l00123"></a>00123 <span class="comment"> ld: fixed a pointer conversion</span>
<a name="l00124"></a>00124 <span class="comment"> file: cleaned up a few unused variables</span>
<a name="l00125"></a>00125 <span class="comment"> sched: broke task deletion</span>
<a name="l00126"></a>00126 <span class="comment"> kprintf: fixed ogPrintf definition</span>
<a name="l00127"></a>00127 <span class="comment"></span>
<a name="l00128"></a>00128 <span class="comment"> Revision 1.11 2004/05/22 02:40:04 ionix</span>
<a name="l00129"></a>00129 <span class="comment"></span>
<a name="l00130"></a>00130 <span class="comment"></span>
<a name="l00131"></a>00131 <span class="comment"> fixed typo in device.h and initialized previous in device.c :)</span>
<a name="l00132"></a>00132 <span class="comment"></span>
<a name="l00133"></a>00133 <span class="comment"> Revision 1.10 2004/05/22 02:34:03 ionix</span>
<a name="l00134"></a>00134 <span class="comment"></span>
<a name="l00135"></a>00135 <span class="comment"></span>
<a name="l00136"></a>00136 <span class="comment"> Added proto</span>
<a name="l00137"></a>00137 <span class="comment"></span>
<a name="l00138"></a>00138 <span class="comment"> Revision 1.9 2004/05/21 15:12:17 reddawg</span>
<a name="l00139"></a>00139 <span class="comment"> Cleaned up</span>
<a name="l00140"></a>00140 <span class="comment"></span>
<a name="l00141"></a>00141 <span class="comment"></span>
<a name="l00142"></a>00142 <span class="comment"> END</span>
<a name="l00143"></a>00143 <span class="comment"> ***/</span>
<a name="l00144"></a>00144
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Dec 5 23:34:56 2006 for UbixOS V2 by
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