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📄 cross reference -onnv-onnv-gate-usr-src-cmd-cdrw-mmc_c.htm

📁 光驱cdrom读写源代码,scsi命令解析
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<A class=l name=105>    105 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>2</SPAN>] = <A href="http://cvs.opensolaris.org/source/s?defs=pc">pc</A>;
<A class=l name=106>    106 </A>	<SPAN class=c>/* allocation length */</SPAN>
<A class=l name=107>    107 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>7</SPAN>] = (<A href="http://cvs.opensolaris.org/source/s?defs=page_len">page_len</A> &gt;&gt; <SPAN class=n>8</SPAN>) &amp; <SPAN class=n>0xff</SPAN>;
<A class=l name=108>    108 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>8</SPAN>] = <A href="http://cvs.opensolaris.org/source/s?defs=page_len">page_len</A> &amp; <SPAN class=n>0xff</SPAN>;
<A class=l name=109>    109 </A>
<A class=hl name=110>    110 </A>	<B>if</B> ((<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_error">uscsi_error</A> = <A href="http://cvs.opensolaris.org/source/s?defs=uscsi">uscsi</A>(<A href="http://cvs.opensolaris.org/source/s?defs=fd">fd</A>, <A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>)) &lt; <SPAN class=n>0</SPAN>)
<A class=l name=111>    111 </A>		<B>return</B> (<SPAN class=n>0</SPAN>);
<A class=l name=112>    112 </A>	<B>return</B> (<SPAN class=n>1</SPAN>);
<A class=l name=113>    113 </A>}
<A class=l name=114>    114 </A>
<A class=l name=115>    115 </A><B>int</B>
<A class=l name=116>    116 </A><A href="http://cvs.opensolaris.org/source/s?defs=mode_select">mode_select</A>(<B>int</B> <A href="http://cvs.opensolaris.org/source/s?defs=fd">fd</A>, <B>int</B> <A href="http://cvs.opensolaris.org/source/s?defs=page_len">page_len</A>, <A href="http://cvs.opensolaris.org/source/s?defs=uchar_t">uchar_t</A> *<A href="http://cvs.opensolaris.org/source/s?defs=buffer">buffer</A>)
<A class=l name=117>    117 </A>{
<A class=l name=118>    118 </A>	<B>struct</B> <A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cmd">uscsi_cmd</A> *<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>;
<A class=l name=119>    119 </A>
<A class=hl name=120>    120 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A> = <A href="http://cvs.opensolaris.org/source/s?defs=get_uscsi_cmd">get_uscsi_cmd</A>();
<A class=l name=121>    121 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_flags">uscsi_flags</A> = <A href="http://cvs.opensolaris.org/source/s?defs=USCSI_WRITE">USCSI_WRITE</A>|<A href="http://cvs.opensolaris.org/source/s?defs=USCSI_SILENT">USCSI_SILENT</A>;
<A class=l name=122>    122 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_buflen">uscsi_buflen</A> = <A href="http://cvs.opensolaris.org/source/s?defs=page_len">page_len</A>;
<A class=l name=123>    123 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_bufaddr">uscsi_bufaddr</A> = (<B>char</B> *)<A href="http://cvs.opensolaris.org/source/s?defs=buffer">buffer</A>;
<A class=l name=124>    124 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_timeout">uscsi_timeout</A> = <A href="http://cvs.opensolaris.org/source/s?defs=DEFAULT_SCSI_TIMEOUT">DEFAULT_SCSI_TIMEOUT</A>;
<A class=l name=125>    125 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdblen">uscsi_cdblen</A> = <SPAN class=n>0xa</SPAN>;
<A class=l name=126>    126 </A>
<A class=l name=127>    127 </A>	<SPAN class=c>/* mode select (10) command */</SPAN>
<A class=l name=128>    128 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>0</SPAN>] = <A href="http://cvs.opensolaris.org/source/s?defs=MODE_SELECT_10_CMD">MODE_SELECT_10_CMD</A>;
<A class=l name=129>    129 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>1</SPAN>] = <SPAN class=n>0x10</SPAN>;
<A class=hl name=130>    130 </A>
<A class=l name=131>    131 </A>	<SPAN class=c>/* parameter list length */</SPAN>
<A class=l name=132>    132 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>7</SPAN>] = (<A href="http://cvs.opensolaris.org/source/s?defs=page_len">page_len</A> &gt;&gt; <SPAN class=n>8</SPAN>) &amp; <SPAN class=n>0xff</SPAN>;
<A class=l name=133>    133 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>8</SPAN>] = <A href="http://cvs.opensolaris.org/source/s?defs=page_len">page_len</A> &amp; <SPAN class=n>0xff</SPAN>;
<A class=l name=134>    134 </A>
<A class=l name=135>    135 </A>	<B>if</B> ((<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_error">uscsi_error</A> = <A href="http://cvs.opensolaris.org/source/s?defs=uscsi">uscsi</A>(<A href="http://cvs.opensolaris.org/source/s?defs=fd">fd</A>, <A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>)) &lt; <SPAN class=n>0</SPAN>)
<A class=l name=136>    136 </A>		<B>return</B> (<SPAN class=n>0</SPAN>);
<A class=l name=137>    137 </A>	<B>return</B> (<SPAN class=n>1</SPAN>);
<A class=l name=138>    138 </A>}
<A class=l name=139>    139 </A>
<A class=hl name=140>    140 </A><B>int</B>
<A class=l name=141>    141 </A><A href="http://cvs.opensolaris.org/source/s?defs=read_track_info">read_track_info</A>(<B>int</B> <A href="http://cvs.opensolaris.org/source/s?defs=fd">fd</A>, <B>int</B> <A href="http://cvs.opensolaris.org/source/s?defs=trackno">trackno</A>, <A href="http://cvs.opensolaris.org/source/s?defs=uchar_t">uchar_t</A> *<A href="http://cvs.opensolaris.org/source/s?defs=ti">ti</A>)
<A class=l name=142>    142 </A>{
<A class=l name=143>    143 </A>	<B>struct</B> <A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cmd">uscsi_cmd</A> *<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>;
<A class=l name=144>    144 </A>
<A class=l name=145>    145 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A> = <A href="http://cvs.opensolaris.org/source/s?defs=get_uscsi_cmd">get_uscsi_cmd</A>();
<A class=l name=146>    146 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_flags">uscsi_flags</A> = <A href="http://cvs.opensolaris.org/source/s?defs=USCSI_READ">USCSI_READ</A>|<A href="http://cvs.opensolaris.org/source/s?defs=USCSI_SILENT">USCSI_SILENT</A>;
<A class=l name=147>    147 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_timeout">uscsi_timeout</A> = <A href="http://cvs.opensolaris.org/source/s?defs=DEFAULT_SCSI_TIMEOUT">DEFAULT_SCSI_TIMEOUT</A>;
<A class=l name=148>    148 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>0</SPAN>] = <A href="http://cvs.opensolaris.org/source/s?defs=READ_TRACK_CMD">READ_TRACK_CMD</A>;
<A class=l name=149>    149 </A>
<A class=hl name=150>    150 </A>	<SPAN class=c>/* tell device we are giving it a track number */</SPAN>
<A class=l name=151>    151 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>1</SPAN>] = <SPAN class=n>1</SPAN>;
<A class=l name=152>    152 </A>
<A class=l name=153>    153 </A>	<SPAN class=c>/* track number to read */</SPAN>
<A class=l name=154>    154 </A>	<B>if</B> (<A href="http://cvs.opensolaris.org/source/s?defs=trackno">trackno</A> == -<SPAN class=n>1</SPAN>)
<A class=l name=155>    155 </A>		<B>if</B> (<A href="http://cvs.opensolaris.org/source/s?defs=device_type">device_type</A> == <A href="http://cvs.opensolaris.org/source/s?defs=CD_RW">CD_RW</A>) {
<A class=l name=156>    156 </A>			((<A href="http://cvs.opensolaris.org/source/s?defs=uchar_t">uchar_t</A> *)<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>)[<SPAN class=n>5</SPAN>] = <SPAN class=n>0xff</SPAN>;
<A class=l name=157>    157 </A>		} <B>else</B> {
<A class=l name=158>    158 </A>			<SPAN class=c>/* only 1 track is allowed on DVD media */</SPAN>
<A class=l name=159>    159 </A>			<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>1</SPAN>] = <SPAN class=n>0</SPAN>;
<A class=hl name=160>    160 </A>			((<A href="http://cvs.opensolaris.org/source/s?defs=uchar_t">uchar_t</A> *)<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>)[<SPAN class=n>5</SPAN>] = <SPAN class=n>0</SPAN>;
<A class=l name=161>    161 </A>		}
<A class=l name=162>    162 </A>	<B>else</B>
<A class=l name=163>    163 </A>		<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>5</SPAN>] = (<A href="http://cvs.opensolaris.org/source/s?defs=uchar_t">uchar_t</A>)<A href="http://cvs.opensolaris.org/source/s?defs=trackno">trackno</A>;
<A class=l name=164>    164 </A>
<A class=l name=165>    165 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>8</SPAN>] = <A href="http://cvs.opensolaris.org/source/s?defs=TRACK_INFO_SIZE">TRACK_INFO_SIZE</A>;
<A class=l name=166>    166 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdblen">uscsi_cdblen</A> = <SPAN class=n>10</SPAN>;
<A class=l name=167>    167 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_bufaddr">uscsi_bufaddr</A> = (<B>char</B> *)<A href="http://cvs.opensolaris.org/source/s?defs=ti">ti</A>;
<A class=l name=168>    168 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_buflen">uscsi_buflen</A> = <A href="http://cvs.opensolaris.org/source/s?defs=TRACK_INFO_SIZE">TRACK_INFO_SIZE</A>;
<A class=l name=169>    169 </A>	<B>if</B> ((<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_error">uscsi_error</A> = <A href="http://cvs.opensolaris.org/source/s?defs=uscsi">uscsi</A>(<A href="http://cvs.opensolaris.org/source/s?defs=fd">fd</A>, <A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>)) &lt; <SPAN class=n>0</SPAN>)
<A class=hl name=170>    170 </A>		<B>return</B> (<SPAN class=n>0</SPAN>);
<A class=l name=171>    171 </A>	<B>return</B> (<SPAN class=n>1</SPAN>);
<A class=l name=172>    172 </A>}
<A class=l name=173>    173 </A>
<A class=l name=174>    174 </A><B>int</B>
<A class=l name=175>    175 </A><A href="http://cvs.opensolaris.org/source/s?defs=read_toc">read_toc</A>(<B>int</B> <A href="http://cvs.opensolaris.org/source/s?defs=fd">fd</A>, <B>int</B> <A href="http://cvs.opensolaris.org/source/s?defs=format">format</A>, <B>int</B> <A href="http://cvs.opensolaris.org/source/s?defs=trackno">trackno</A>, <B>int</B> <A href="http://cvs.opensolaris.org/source/s?defs=buflen">buflen</A>, <A href="http://cvs.opensolaris.org/source/s?defs=uchar_t">uchar_t</A> *<A href="http://cvs.opensolaris.org/source/s?defs=buf">buf</A>)
<A class=l name=176>    176 </A>{
<A class=l name=177>    177 </A>	<B>struct</B> <A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cmd">uscsi_cmd</A> *<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>;
<A class=l name=178>    178 </A>
<A class=l name=179>    179 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A> = <A href="http://cvs.opensolaris.org/source/s?defs=get_uscsi_cmd">get_uscsi_cmd</A>();
<A class=hl name=180>    180 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_flags">uscsi_flags</A> = <A href="http://cvs.opensolaris.org/source/s?defs=USCSI_READ">USCSI_READ</A>|<A href="http://cvs.opensolaris.org/source/s?defs=USCSI_SILENT">USCSI_SILENT</A>;
<A class=l name=181>    181 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_timeout">uscsi_timeout</A> = <A href="http://cvs.opensolaris.org/source/s?defs=DEFAULT_SCSI_TIMEOUT">DEFAULT_SCSI_TIMEOUT</A>;
<A class=l name=182>    182 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>0</SPAN>] = <A href="http://cvs.opensolaris.org/source/s?defs=READ_TOC_CMD">READ_TOC_CMD</A>;
<A class=l name=183>    183 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>2</SPAN>] = <A href="http://cvs.opensolaris.org/source/s?defs=format">format</A> &amp; <SPAN class=n>0xf</SPAN>;
<A class=l name=184>    184 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>6</SPAN>] = <A href="http://cvs.opensolaris.org/source/s?defs=trackno">trackno</A>;
<A class=l name=185>    185 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>8</SPAN>] = <A href="http://cvs.opensolaris.org/source/s?defs=buflen">buflen</A> &amp; <SPAN class=n>0xff</SPAN>;
<A class=l name=186>    186 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdb">uscsi_cdb</A>[<SPAN class=n>7</SPAN>] = (<A href="http://cvs.opensolaris.org/source/s?defs=buflen">buflen</A> &gt;&gt; <SPAN class=n>8</SPAN>) &amp; <SPAN class=n>0xff</SPAN>;
<A class=l name=187>    187 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_cdblen">uscsi_cdblen</A> = <SPAN class=n>10</SPAN>;
<A class=l name=188>    188 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_bufaddr">uscsi_bufaddr</A> = (<B>char</B> *)<A href="http://cvs.opensolaris.org/source/s?defs=buf">buf</A>;
<A class=l name=189>    189 </A>	<A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>-&gt;<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_buflen">uscsi_buflen</A> = <A href="http://cvs.opensolaris.org/source/s?defs=buflen">buflen</A>;
<A class=hl name=190>    190 </A>	<B>if</B> ((<A href="http://cvs.opensolaris.org/source/s?defs=uscsi_error">uscsi_error</A> = <A href="http://cvs.opensolaris.org/source/s?defs=uscsi">uscsi</A>(<A href="http://cvs.opensolaris.org/source/s?defs=fd">fd</A>, <A href="http://cvs.opensolaris.org/source/s?defs=scmd">scmd</A>)) &lt; <SPAN class=n>0</SPAN>)
<A class=l name=191>    191 </A>		<B>return</B> (<SPAN class=n>0</SPAN>);
<A class=l name=192>    192 </A>
<A class=l name=193>    193 </A>	<SPAN class=c>/* Fix for old SONY drives */</SPAN>
<A class=l name=194>    194 </A>	<B>if</B> ((<A href="http://cvs.opensolaris.org/source/s?defs=format">format</A> == <SPAN class=n>0</SPAN>) &amp;&amp; (<A href="http://cvs.opensolaris.org/source/s?defs=buflen">buflen</A> == <SPAN class=n>4</SPAN>) &amp;&amp; (<A href="http://cvs.opensolaris.org/source/s?defs=buf">buf</A>[<SPAN class=n>0</SPAN>] == <SPAN class=n>0</SPAN>) &amp;&amp; (<A href="http://cvs.opensolaris.org/source/s?defs=buf">buf</A>[<SPAN class=n>1</SPAN>] == <SPAN class=n>2</SPAN>)) {

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