Date: Mon, 6 Jun 2011 23:02:00 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Artem Belevich <art@freebsd.org> Cc: "Jack F. Vogel" <jfv@freebsd.org>, FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: FreeBSD I/OAT (QuickData now?) driver Message-ID: <20110606200200.GP48734@deviant.kiev.zoral.com.ua> In-Reply-To: <BANLkTikEWwf-6gDx7QUOq=zYG5gvYPy13Q@mail.gmail.com> References: <BANLkTikEWwf-6gDx7QUOq=zYG5gvYPy13Q@mail.gmail.com>
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--5wAPvwbAcQJrmmvx Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jun 06, 2011 at 12:47:38PM -0700, Artem Belevich wrote: > Jack, >=20 > Quite a while back you've posted I/OAT driver. Unfortunately the link > you posted does not seem to have the drivers any more. Do you still > have them available somewhere? >=20 > Do you know if Intel has technical info on the DMA engine available? I > believe long time back when it was still I/OAT it was part of chipset > spec. Now X58 Express chipset datasheet refers to a broken link > http://www.intel.com/cs/network/connectivity/emea/eng/226276.htm Referencing DMA engine, do you mean Vanderpool ? It is http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for= _Direct_IO.pdf According to Intel marketing-talk, I/OAT is a couple of things, including MSI-X, VT-d (i.e. IOMMU/Vanderpool), something called Intel(R) QuickData Technology (might be, you mean this one ?) and DCA. --5wAPvwbAcQJrmmvx Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk3tMjgACgkQC3+MBN1Mb4j0OgCeNG/X59UsJm+nIvESrqzWbtce 1R8AoPdGdXr7pGfVOnK2+mbPh22uPSjm =MPKs -----END PGP SIGNATURE----- --5wAPvwbAcQJrmmvx--
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