diff options
Diffstat (limited to 'static/freebsd/man4/targ.4 3.html')
| -rw-r--r-- | static/freebsd/man4/targ.4 3.html | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/static/freebsd/man4/targ.4 3.html b/static/freebsd/man4/targ.4 3.html deleted file mode 100644 index 1d303661..00000000 --- a/static/freebsd/man4/targ.4 3.html +++ /dev/null @@ -1,112 +0,0 @@ -<table class="head"> - <tr> - <td class="head-ltitle">TARG(4)</td> - <td class="head-vol">Device Drivers Manual</td> - <td class="head-rtitle">TARG(4)</td> - </tr> -</table> -<div class="manual-text"> -<section class="Sh"> -<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> -<p class="Pp"><code class="Nm">targ</code> — <span class="Nd">SCSI target - emulator driver</span></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> -<p class="Pp">To compile this driver into the kernel, place the following line - in your kernel configuration file:</p> -<div class="Bd Pp Bd-indent"><code class="Cd">device targ</code></div> -</section> -<section class="Sh"> -<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> -<p class="Pp">The <code class="Nm">targ</code> driver provides an interface for - usermode programs to emulate SCSI target devices. A sample program that - emulates a disk drive (similar to <a class="Xr">da(4)</a>) can be found in - <span class="Pa">/usr/share/examples/scsi_target</span>.</p> -<p class="Pp">The <code class="Nm">targ</code> driver supplies the control - device <span class="Pa">/dev/targ</span>. After opening the device, the file - descriptor must be bound to a specific bus/target/LUN and enabled to process - CCBs using the <code class="Dv">TARGIOCENABLE</code> ioctl. The process then - uses <a class="Xr">write(2)</a> to send CCBs to the SIM and - <a class="Xr">poll(2)</a> or <a class="Xr">kqueue(2)</a> to see if responses - are ready. Pointers to completed CCBs are returned via - <a class="Xr">read(2)</a>. Any data transfers requested by the user CCBs are - done via zero-copy IO.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="IOCTLS"><a class="permalink" href="#IOCTLS">IOCTLS</a></h1> -<p class="Pp">The following <a class="Xr">ioctl(2)</a> calls are defined in the - header file - <code class="In"><<a class="In">cam/scsi/scsi_targetio.h</a>></code>.</p> -<dl class="Bl-tag"> - <dt id="TARGIOCENABLE"><a class="permalink" href="#TARGIOCENABLE"><code class="Dv">TARGIOCENABLE</code></a></dt> - <dd>(<var class="Vt">struct ioc_enable_lun</var>) Enable target mode on the - LUN specified by the following structure: - <div class="Bd Pp Bd-indent Li"> - <pre>struct ioc_enable_lun { - path_id_t path_id; - target_id_t target_id; - lun_id_t lun_id; - int grp6_len; - int grp7_len; -};</pre> - </div> - <p class="Pp">The selected path (bus), target, and LUN must not already be - in use or <code class="Er">EADDRINUSE</code> is returned. If - <var class="Va">grp6_len</var> or <var class="Va">grp7_len</var> are - non-zero, reception of vendor-specific commands is enabled.</p> - </dd> - <dt id="TARGIOCDISABLE"><a class="permalink" href="#TARGIOCDISABLE"><code class="Dv">TARGIOCDISABLE</code></a></dt> - <dd>Disable target mode and abort all pending CCBs. The CCBs may optionally be - read as they complete. <code class="Dv">TARGIOCENABLE</code> can then be - called to activate a different LUN. Multiple disable calls have no effect. - The <a class="Xr">close(2)</a> system call automatically disables target - mode if enabled.</dd> - <dt id="TARGIOCDEBUG"><a class="permalink" href="#TARGIOCDEBUG"><code class="Dv">TARGIOCDEBUG</code></a></dt> - <dd>(<var class="Vt">int</var>) Enables <code class="Dv">CAM_PERIPH</code> - debugging if the argument is non-zero, otherwise disables it.</dd> -</dl> -</section> -<section class="Sh"> -<h1 class="Sh" id="FILES"><a class="permalink" href="#FILES">FILES</a></h1> -<dl class="Bl-tag Bl-compact"> - <dt><code class="In"><<a class="In">cam/scsi/scsi_targetio.h</a>></code></dt> - <dd>describes the usermode interface.</dd> - <dt><span class="Pa">/sys/cam/scsi/scsi_target.c</span></dt> - <dd>is the driver source file.</dd> - <dt><span class="Pa">/dev/targ</span></dt> - <dd>is the control device.</dd> -</dl> -</section> -<section class="Sh"> -<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE - ALSO</a></h1> -<p class="Pp"><span class="Pa">/usr/share/examples/scsi_target</span>, - <a class="Xr">ahc(4)</a>, <a class="Xr">isp(4)</a>, - <a class="Xr">scsi(4)</a></p> -<p class="Pp"><cite class="Rs"><span class="RsT">FreeBSD Target - Information</span>, - <a class="RsU" href="http://www.root.org/~nate/freebsd/">http://www.root.org/~nate/freebsd/</a>.</cite></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> -<p class="Pp">The <code class="Nm">targ</code> driver first appeared in - <span class="Ux">FreeBSD 3.0</span> and was written by - <span class="An">Justin T. Gibbs</span>. It was rewritten for - <span class="Ux">FreeBSD 5.0</span> by <span class="An">Nate Lawson</span> - <<a class="Mt" href="mailto:nate@root.org">nate@root.org</a>>.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1> -<p class="Pp">Currently, only the <a class="Xr">ahc(4)</a> and - <a class="Xr">isp(4)</a> drivers fully support target mode.</p> -<p class="Pp">The <a class="Xr">ahc(4)</a> driver does not support tagged - queuing in target mode.</p> -</section> -</div> -<table class="foot"> - <tr> - <td class="foot-date">December 13, 2011</td> - <td class="foot-os">FreeBSD 15.0</td> - </tr> -</table> |