From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Sujith Sankar (ssujith)" Subject: Re: [PATCH 00/16] [RFC] [VFIO] Add VFIO support to DPDK Date: Mon, 8 Sep 2014 08:27:36 +0000 Message-ID: References: <20140501091241.4786e99c@nehalam.linuxnetplumber.net> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Cc: "dev-VfR2kkLFssw@public.gmane.org" To: "Burakov, Anatoly" , Stephen Hemminger Return-path: In-Reply-To: Content-Language: en-US Content-ID: <071A49FD456C764FBCE9CBD915439747-WwaMAgPkaIIluPl5bxqUMw@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" 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-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org] >Sent: Monday, September 8, 2014 9:20 AM >To: Burakov, Anatoly; Stephen Hemminger >Cc: dev-VfR2kkLFssw@public.gmane.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 >> >> >> >