From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from rcdn-iport-3.cisco.com (rcdn-iport-3.cisco.com [173.37.86.74]) by dpdk.org (Postfix) with ESMTP id A567E683A for ; Mon, 8 Sep 2014 10:22:43 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=1816; q=dns/txt; s=iport; t=1410164862; x=1411374462; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=Q65nHj6EhSUypdsU5PCyQ7L0vxz5pUmYL3V1pPvuXIw=; b=QCaeE4ee5/E9TWZRj9+iQginQu54RNiFUQhlDMJDhsEezByVjUPmbei7 XlzMXPiZWgjDaKcCqoKASwpZOnI/uA/2HUPgDgOx36HSP+lLpMZM27amr GdQri85iObE6RcebLUoszROREDSu8KR0++Ds49Xgs2+v1/v2qYJ6RjvEk o=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgcFACNoDVStJA2E/2dsb2JhbABYgw2BKgTRPgGBERZ4hAMBAQEEeQwEAgEIEQQBAQEnBzIUCQgBAQQBDQWIQrsfAReOdVgHBoRGAQSGGoRfhkeLMowjiQmDYWyBBkKBBwEBAQ X-IronPort-AV: E=Sophos;i="5.04,485,1406592000"; d="scan'208";a="353397334" Received: from alln-core-10.cisco.com ([173.36.13.132]) by rcdn-iport-3.cisco.com with ESMTP; 08 Sep 2014 08:27:37 +0000 Received: from xhc-aln-x13.cisco.com (xhc-aln-x13.cisco.com [173.36.12.87]) by alln-core-10.cisco.com (8.14.5/8.14.5) with ESMTP id s888Rb6E009431 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Mon, 8 Sep 2014 08:27:37 GMT Received: from xmb-aln-x07.cisco.com ([169.254.2.136]) by xhc-aln-x13.cisco.com ([173.36.12.87]) with mapi id 14.03.0195.001; Mon, 8 Sep 2014 03:27:37 -0500 From: "Sujith Sankar (ssujith)" To: "Burakov, Anatoly" , Stephen Hemminger Thread-Topic: [dpdk-dev] [PATCH 00/16] [RFC] [VFIO] Add VFIO support to DPDK Thread-Index: Ac9lLTXFrHbg7bLiSjKn4c9MFTXI0gAVOByAACMklAAZYcOAgAAV94bA//9SV4A= Date: Mon, 8 Sep 2014 08:27:36 +0000 Message-ID: References: <20140501091241.4786e99c@nehalam.linuxnetplumber.net> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.3.9.131030 x-originating-ip: [10.127.148.12] Content-Type: text/plain; charset="iso-8859-1" Content-ID: <071A49FD456C764FBCE9CBD915439747@emea.cisco.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] [PATCH 00/16] [RFC] [VFIO] Add VFIO support to DPDK X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Sep 2014 08:22:44 -0000 Anatoly, Thanks for the quick response ! I am able do PCI passthrough and use the NIC in the guest OS. What I=B9m trying to do is run DPDK in the guest and make use of the passed-through NIC. Without using VFIO, could I achieve this? Thanks, -Sujith On 08/09/14 1:51 pm, "Burakov, Anatoly" wrote: >Hi Sujith > >Not that I know of, no. There are other ways to run physical NICs in a VM >though, you don't require VFIO for that. > >Thanks, >Anatoly > >-----Original Message----- >From: Sujith Sankar (ssujith) [mailto:ssujith@cisco.com] >Sent: Monday, September 8, 2014 9:20 AM >To: Burakov, Anatoly; Stephen Hemminger >Cc: dev@dpdk.org >Subject: Re: [dpdk-dev] [PATCH 00/16] [RFC] [VFIO] Add VFIO support to >DPDK > >Hi Anatoly, > >Has anything happened in this front? Do you see running of DPDK in guest >OS on KVM with physical NIC passed through to it happening soon? > >Thanks, >-Sujith=20 > >On 02/05/14 2:28 pm, "Burakov, Anatoly" wrote: > >>Hi Stephen, >> >>> Will this work in guest? or only on bare metal? >> >>VFIO is Linux-only, and in theory will be able to work on the guest, >>but not at the moment, since it requires IOMMU. There was a GSoC >>proposal for KVM to do IOMMU implementation, and there were a few AMD >>IOMMU-emulation patches floating around the KVM lists for some time, >>but nothing has made it into release yet. >> >>Best regards, >>Anatoly Burakov >>DPDK SW Engineer >> >>-------------------------------------------------------------- >>Intel Shannon Limited >>Registered in Ireland >>Registered Office: Collinstown Industrial Park, Leixlip, County Kildare >>Registered Number: 308263 Business address: Dromore House, East Park, >>Shannon, Co. Clare >> >> >> >