From mboxrd@z Thu Jan 1 00:00:00 1970 From: Doug Ledford Subject: Re: [PATCH for-next 03/10] IB/core: Support accessing SA in virtualized environment Date: Fri, 4 Mar 2016 09:37:02 -0500 Message-ID: <56D99D8E.5020900@redhat.com> References: <1456851143-138332-1-git-send-email-eli@mellanox.com> <1456851143-138332-4-git-send-email-eli@mellanox.com> <20160301174401.GC25176@obsidianresearch.com> <20160301181742.GB19366@x-vnc01.mtx.labs.mlnx> <20160301183256.GB12495@obsidianresearch.com> <20160301190742.GC19366@x-vnc01.mtx.labs.mlnx> <20160301193153.GA25755@obsidianresearch.com> <20160301194608.GF19366@x-vnc01.mtx.labs.mlnx> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="XgOd9R12ex435K4HFV8XAoOAKR6p5udpm" Return-path: In-Reply-To: <20160301194608.GF19366-lgQlq6cFzJSjLWYaRI30zHI+JuX82XLG@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Eli Cohen , Jason Gunthorpe Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, liranl-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org List-Id: linux-rdma@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --XgOd9R12ex435K4HFV8XAoOAKR6p5udpm Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 03/01/2016 02:46 PM, Eli Cohen wrote: > On Tue, Mar 01, 2016 at 12:31:53PM -0700, Jason Gunthorpe wrote: >> >> I mean opensm supports the GUID Alias scheme for virtualization, this >> new virtualization scheme is not compatible, and we shouldn't have the= >> kernel drop support for existing working SMs, by, eg, replacing the >> mlx4 guid alias scheme with this new scheme. >> >> I'm guessing a user controlled switch is going to be necessary here to= >> pick GUID alias or port port virtualization. >> >=20 > The alias GUID mechanism remains and can be used with mlx4 devices. > With this scheme the admin configures the port and node GUIDs using > iprout2 which ends up in the hardware driver configuring the deivce. A > virtualization aware SM can read this configuration through MADs. >=20 If the alias GUID mechanism is to be retained, then we need another NDO entry point for setting P_Keys on alias GUID VFs. If we are going to switch over to using iproute2, then the solution needs to be complete. --=20 Doug Ledford GPG KeyID: 0E572FDD --XgOd9R12ex435K4HFV8XAoOAKR6p5udpm Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJW2Z2OAAoJELgmozMOVy/d9AQQALhrEdhiMo6HmPKSBcoPblEN J2ZAbtwYEpzzasC6b4bv1J/fYcc81VkefcTLM85Ek+Jcj/AiupYiYBISqALk9BK+ d9HrgnX0ChO5UCrJozv6+TPgauF6x1bfOITa/nO46wiswHLFq04MZZqmXQa0YNf4 j922f1Wz1beD6kaF78T2w1reb7MAt5/hjohGsgc8Y3tt/VvODh/6/r76x+23/77P 8ojCAbnRnFlP+Gj0oea0A70N9Re+4tzE6ow+t+jgHdKqb0fS4Dy9j3MQ9LRbGbUb VMnx2SJOM0WUEzVHog01acgtXgU8vDX6iM88IjM7+ORIPhsSp+70JbtHx+rx+CTe E6eZyvrbI7N13Q/a/JFh1XPWFfDLKSNAXOrgNCcJcIux00WBKTWaufPcKGmThnP7 O/70GH89bGC15s4FOnU34/ZGAHiGyTThKpNPpNu3CYtkTA0RHYZVIjNtsFO9/8oX RoPZBUGstFMgSHkfb93IqKfg2kjTvKP7+tH4gjyQjINOZQdYvh6vJeadmkaW1H6E LYdSEtHzW5LvCi6rri78LrpDxiMPjChQZpPtVA7TdgrzODAnYU9eBCrURyR+S9yg R6WNYrCrTw8STq7HUz1JR/ZbN3S8ZFGiXdUoTlTNQEHxHURKcatgCEgeAWlrfmv3 Dvu+J6qwBF2XbWeTzqQg =A3s/ -----END PGP SIGNATURE----- --XgOd9R12ex435K4HFV8XAoOAKR6p5udpm-- -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html