From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vincent JARDIN Subject: Re: VFIO no-iommu Date: Thu, 17 Dec 2015 22:16:38 +0100 Message-ID: <56732636.7080208@6wind.com> References: <60420822.AbcfvjLZCk@xps13> <17700135.Qc9aIsHGGP@xps13> <2580440.9rYeIQLTBH@xps13> <20151217203816.1bc6bd2c@jvn> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: dev@dpdk.org To: Jan Viktorin Return-path: Received: from mail-wm0-f50.google.com (mail-wm0-f50.google.com [74.125.82.50]) by dpdk.org (Postfix) with ESMTP id 5F777952 for ; Thu, 17 Dec 2015 22:16:40 +0100 (CET) Received: by mail-wm0-f50.google.com with SMTP id l126so39693181wml.1 for ; Thu, 17 Dec 2015 13:16:40 -0800 (PST) In-Reply-To: <20151217203816.1bc6bd2c@jvn> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 17/12/2015 20:38, Jan Viktorin wrote: > which platforms (or computer systems) I am targeting? It is about VMs on IOMMU capable systems. What if you need to use SRIOV with IXGBE, or IGB devices? For some DPDK cases, like Mellanox or virtio, you do not need to use VFIO/UIO into the guests, so no issue. But for some other PMDs, you need a VFIO/UIO. Best regards, Vincent