diff options
Diffstat (limited to 'static/freebsd/man4/ntb.4 3.html')
| -rw-r--r-- | static/freebsd/man4/ntb.4 3.html | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/static/freebsd/man4/ntb.4 3.html b/static/freebsd/man4/ntb.4 3.html new file mode 100644 index 00000000..c6bbe407 --- /dev/null +++ b/static/freebsd/man4/ntb.4 3.html @@ -0,0 +1,76 @@ +<table class="head"> + <tr> + <td class="head-ltitle">NTB(4)</td> + <td class="head-vol">Device Drivers Manual</td> + <td class="head-rtitle">NTB(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">ntb</code> — + <span class="Nd">Non-Transparent Bridge subsystem</span></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> +<p class="Pp">To compile it into your kernel, place the following lines in your + kernel configuration file:</p> +<div class="Bd Pp Bd-indent"><code class="Cd">device ntb</code></div> +<p class="Pp">Or, to load it as a module at boot, place the following line in + <a class="Xr">loader.conf(5)</a>:</p> +<div class="Bd Pp Bd-indent Li"> +<pre>ntb_load="YES"</pre> +</div> +<p class="Pp">The following tunables are settable from the + <a class="Xr">loader(8)</a>:</p> +<dl class="Bl-ohang"> + <dt id="hw.ntb.debug_level"><var class="Va">hw.ntb.debug_level</var></dt> + <dd>Driver debug level. The default value is 0, higher means more + verbose.</dd> + <dt id="hint.ntb_hw."><var class="Va">hint.ntb_hw.</var><var class="Ar">X</var><var class="Va">.config</var></dt> + <dd>Configures a set of NTB functions, separated by commas, and their resource + allocation. Each function can be configured as: + "[<name>][:<mw>[:<spad>[:<db>]]]", + where: <var class="Va">name</var> is a name of the driver to attach (empty + means any), <var class="Va">mw</var> is a number of memory windows to + allocate (empty means all available), <var class="Va">spad</var> is a + number of scratchpad registers to allocate (empty means all available), + <var class="Va">db</var> is a number of doorbells to allocate (empty means + all available). The default configuration is empty string, which means + single function with all available resources, allowing any driver to + attach.</dd> +</dl> +</section> +<section class="Sh"> +<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> +<p class="Pp">Non-Transparent Bridges connect two computer systems with PCIe + link(s), providing each of them limited access to others memory space, + scratchpad registers and interrupts. The <code class="Nm">ntb</code> + subsystem uses those resources provided in generic way by hardware drivers + and splits them between several functions, according to specified + configuration.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE + ALSO</a></h1> +<p class="Pp"><a class="Xr">if_ntb(4)</a>, <a class="Xr">ntb_hw_amd(4)</a>, + <a class="Xr">ntb_hw_intel(4)</a>, <a class="Xr">ntb_hw_plx(4)</a>, + <a class="Xr">ntb_transport(4)</a></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">ntb</code> subsystem was developed by Intel + and originally written by <span class="An">Carl Delsey</span> + <<a class="Mt" href="mailto:carl@FreeBSD.org">carl@FreeBSD.org</a>>. + Later improvements were done by <span class="An">Conrad E. Meyer</span> + <<a class="Mt" href="mailto:cem@FreeBSD.org">cem@FreeBSD.org</a>> and + <span class="An">Alexander Motin</span> + <<a class="Mt" href="mailto:mav@FreeBSD.org">mav@FreeBSD.org</a>>.</p> +</section> +</div> +<table class="foot"> + <tr> + <td class="foot-date">August 29, 2019</td> + <td class="foot-os">FreeBSD 15.0</td> + </tr> +</table> |
