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class='lines'><pre><code><style>.highlight .hll { background-color: #ffffcc } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */</style><div class="highlight"><pre><span></span><span class="cm">/*</span> <span class="cm"> * Functions used by both the SCSI initiator code and the SCSI target code.</span> <span class="cm"> */</span> <span class="cp">#ifndef _SCSI_COMMON_H_</span> <span class="cp">#define _SCSI_COMMON_H_</span> <span class="cp">#include</span> <span class="cpf"><linux/types.h></span><span class="cp"></span> <span class="cp">#include</span> <span class="cpf"><scsi/scsi_proto.h></span><span class="cp"></span> <span class="k">static</span> <span class="kr">inline</span> <span class="kt">unsigned</span> <span class="nf">scsi_varlen_cdb_length</span><span class="p">(</span><span class="k">const</span> <span class="kt">void</span> <span class="o">*</span><span class="n">hdr</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="p">((</span><span class="k">struct</span> <span class="n">scsi_varlen_cdb_hdr</span> <span class="o">*</span><span class="p">)</span><span class="n">hdr</span><span class="p">)</span><span class="o">-></span><span class="n">additional_cdb_length</span> <span class="o">+</span> <span class="mi">8</span><span class="p">;</span> <span class="p">}</span> <span class="k">extern</span> <span class="k">const</span> <span class="kt">unsigned</span> <span class="kt">char</span> <span class="n">scsi_command_size_tbl</span><span class="p">[</span><span class="mi">8</span><span class="p">];</span> <span class="cp">#define COMMAND_SIZE(opcode) scsi_command_size_tbl[((opcode) >> 5) & 7]</span> <span class="k">static</span> <span class="kr">inline</span> <span class="kt">unsigned</span> <span class="nf">scsi_command_size</span><span class="p">(</span><span class="k">const</span> <span class="kt">unsigned</span> <span class="kt">char</span> <span class="o">*</span><span class="n">cmnd</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="p">(</span><span class="n">cmnd</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="n">VARIABLE_LENGTH_CMD</span><span class="p">)</span> <span class="o">?</span> <span class="n">scsi_varlen_cdb_length</span><span class="p">(</span><span class="n">cmnd</span><span class="p">)</span> <span class="o">:</span> <span class="n">COMMAND_SIZE</span><span class="p">(</span><span class="n">cmnd</span><span class="p">[</span><span class="mi">0</span><span class="p">]);</span> <span class="p">}</span> <span class="cm">/* Returns a human-readable name for the device */</span> <span class="k">extern</span> <span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="nf">scsi_device_type</span><span class="p">(</span><span class="kt">unsigned</span> <span class="n">type</span><span class="p">);</span> <span class="k">extern</span> <span class="kt">void</span> <span class="nf">int_to_scsilun</span><span class="p">(</span><span class="n">u64</span><span class="p">,</span> <span class="k">struct</span> <span class="n">scsi_lun</span> <span class="o">*</span><span class="p">);</span> <span class="k">extern</span> <span class="n">u64</span> <span class="nf">scsilun_to_int</span><span class="p">(</span><span class="k">struct</span> <span class="n">scsi_lun</span> <span class="o">*</span><span class="p">);</span> <span class="cm">/*</span> <span class="cm"> * This is a slightly modified SCSI sense "descriptor" format header.</span> <span class="cm"> * The addition is to allow the 0x70 and 0x71 response codes. The idea</span> <span class="cm"> * is to place the salient data from either "fixed" or "descriptor" sense</span> <span class="cm"> * format into one structure to ease application processing.</span> <span class="cm"> *</span> <span class="cm"> * The original sense buffer should be kept around for those cases</span> <span class="cm"> * in which more information is required (e.g. the LBA of a MEDIUM ERROR).</span> <span class="cm"> */</span> <span class="k">struct</span> <span class="n">scsi_sense_hdr</span> <span class="p">{</span> <span class="cm">/* See SPC-3 section 4.5 */</span> <span class="n">u8</span> <span class="n">response_code</span><span class="p">;</span> <span class="cm">/* permit: 0x0, 0x70, 0x71, 0x72, 0x73 */</span> <span class="n">u8</span> <span class="n">sense_key</span><span class="p">;</span> <span class="n">u8</span> <span class="n">asc</span><span class="p">;</span> <span class="n">u8</span> <span class="n">ascq</span><span class="p">;</span> <span class="n">u8</span> <span class="n">byte4</span><span class="p">;</span> <span class="n">u8</span> <span class="n">byte5</span><span class="p">;</span> <span class="n">u8</span> <span class="n">byte6</span><span class="p">;</span> <span class="n">u8</span> <span class="n">additional_length</span><span class="p">;</span> <span class="cm">/* always 0 for fixed sense format */</span> <span class="p">};</span> <span class="k">static</span> <span class="kr">inline</span> <span class="kt">bool</span> <span class="nf">scsi_sense_valid</span><span class="p">(</span><span class="k">const</span> <span class="k">struct</span> <span class="n">scsi_sense_hdr</span> <span class="o">*</span><span class="n">sshdr</span><span class="p">)</span> <span class="p">{</span> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">sshdr</span><span class="p">)</span> <span class="k">return</span> <span class="nb">false</span><span class="p">;</span> <span class="k">return</span> <span class="p">(</span><span class="n">sshdr</span><span class="o">-></span><span class="n">response_code</span> <span class="o">&</span> <span class="mh">0x70</span><span class="p">)</span> <span class="o">==</span> <span class="mh">0x70</span><span class="p">;</span> <span class="p">}</span> <span class="k">extern</span> <span class="kt">bool</span> <span class="nf">scsi_normalize_sense</span><span class="p">(</span><span class="k">const</span> <span class="n">u8</span> <span class="o">*</span><span class="n">sense_buffer</span><span class="p">,</span> <span class="kt">int</span> <span class="n">sb_len</span><span class="p">,</span> <span class="k">struct</span> <span class="n">scsi_sense_hdr</span> <span class="o">*</span><span class="n">sshdr</span><span class="p">);</span> <span class="k">extern</span> <span class="kt">void</span> <span class="nf">scsi_build_sense_buffer</span><span class="p">(</span><span class="kt">int</span> <span class="n">desc</span><span class="p">,</span> <span class="n">u8</span> <span class="o">*</span><span class="n">buf</span><span class="p">,</span> <span class="n">u8</span> <span class="n">key</span><span class="p">,</span> <span class="n">u8</span> <span class="n">asc</span><span class="p">,</span> <span class="n">u8</span> <span class="n">ascq</span><span class="p">);</span> <span class="kt">int</span> <span class="nf">scsi_set_sense_information</span><span class="p">(</span><span class="n">u8</span> <span class="o">*</span><span class="n">buf</span><span class="p">,</span> <span class="kt">int</span> <span class="n">buf_len</span><span class="p">,</span> <span class="n">u64</span> <span class="n">info</span><span class="p">);</span> <span class="k">extern</span> <span class="k">const</span> <span class="n">u8</span> <span class="o">*</span> <span class="nf">scsi_sense_desc_find</span><span class="p">(</span><span class="k">const</span> <span class="n">u8</span> <span class="o">*</span> <span class="n">sense_buffer</span><span class="p">,</span> <span class="kt">int</span> <span class="n">sb_len</span><span class="p">,</span> <span class="kt">int</span> <span class="n">desc_type</span><span class="p">);</span> <span class="cp">#endif </span><span class="cm">/* _SCSI_COMMON_H_ */</span><span class="cp"></span> </pre></div> </code></pre></td></tr></table> </div> <!-- class=content --> <div id="lfcollabprojects-footer"> <div class="gray-diagonal"> <div class="footer-inner"> <p> © 2015 <a href="https://opnfv.org/">Open Platform for NFV Project, Inc</a>., a Linux Foundation Collaborative Project. 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