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diff --git a/static/freebsd/man4/xdma.4 3.html b/static/freebsd/man4/xdma.4 3.html new file mode 100644 index 00000000..4f11bd07 --- /dev/null +++ b/static/freebsd/man4/xdma.4 3.html @@ -0,0 +1,65 @@ +<table class="head"> + <tr> + <td class="head-ltitle">XDMA(4)</td> + <td class="head-vol">Device Drivers Manual</td> + <td class="head-rtitle">XDMA(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">xdma</code> — <span class="Nd">DMA + abstraction layer</span></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> +<p class="Pp">To compile xDMA device support into the kernel, place the + following line in your kernel configuration file:</p> +<div class="Bd Pp Bd-indent"><code class="Cd">device xdma</code></div> +<p class="Pp">To compile xDMA FDT-based test driver, place the following line as + well:</p> +<div class="Bd Pp Bd-indent Li"> +<pre><code class="Cd">device xdma_test</code></pre> +</div> +</section> +<section class="Sh"> +<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> +<p class="Pp">xDMA is a DMA framework designed to abstract the interaction + between device drivers and DMA engines.</p> +<p class="Pp">xDMA defines an interface for efficient interaction between the + device driver and DMA controller. The <code class="Nm">xdma</code> device + provides a virtual DMA controller and virtual channels called xchans. The + controller provides virtual channels management (allocation, deallocation, + configuration) and interrupt notification esteblishment needed to receive + events from the hardware DMA controller. <code class="Nm">xdma</code> + supports the following transfer types:</p> +<dl class="Bl-hang Bd-indent"> + <dt><code class="Nm">Cyclic</code></dt> + <dd>A non-stop periodic transfer designed for applications like audio.</dd> + <dt><code class="Nm">Memcpy</code></dt> + <dd>A memory-to-memory transfer.</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"><a class="Xr">bus_dma(9)</a></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> +<p class="Pp">Support for xDMA first appeared in <span class="Ux">FreeBSD + 12.0</span>.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> +<p class="Pp"><span class="Ux">FreeBSD</span> xDMA framework was first added by + <span class="An">Ruslan Bukin</span> + <<a class="Mt" href="mailto:br@FreeBSD.org">br@FreeBSD.org</a>>.</p> +</section> +</div> +<table class="foot"> + <tr> + <td class="foot-date">December 12, 2016</td> + <td class="foot-os">FreeBSD 15.0</td> + </tr> +</table> |