svn commit: r287117 - in head: share/man/man4 sys/amd64/conf sys/conf sys/dev/ioat sys/modules sys/modules/ioat tools/tools/ioat

[Jim Harris]

On Mon, Aug 24, 2015 at 12:32 PM, Conrad E. Meyer <cem at freebsd.org> wrote:

> Author: cem
> Date: Mon Aug 24 19:32:03 2015
> New Revision: 287117
> URL: https://svnweb.freebsd.org/changeset/base/287117
>
> Log:
>   Import ioat(4) driver
>
>   I/OAT is also referred to as Crystal Beach DMA and is a Platform Storage
>   Extension (PSE) on some Intel server platforms.
>
>   This driver currently supports DMA descriptors only and is part of a
>   larger effort to upstream an interconnect between multiple systems using
>   the Non-Transparent Bridge (NTB) PSE.
>
>   For now, this driver is only built on AMD64 platforms.  It may be ported
>   to work on i386 later, if that is desired.  The hardware is exclusive to
>   x86.
>
>   Further documentation on ioat(4), including API documentation and usage,
>   can be found in the new manual page.
>
>   Bring in a test tool, ioatcontrol(8), in tools/tools/ioat.  The test
>   tool is not hooked up to the build and is not intended for end users.
>
>   Submitted by: jimharris, Carl Delsey <carl.r.delsey at intel.com>
>   Reviewed by:  jimharris (reviewed my changes)
>   Approved by:  markj (mentor)
>   Relnotes:     yes
>   Sponsored by: Intel
>   Sponsored by: EMC / Isilon Storage Division
>   Differential Revision:        https://reviews.freebsd.org/D3456
>
>
Thanks!