From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lj1-f175.google.com (mail-lj1-f175.google.com [209.85.208.175]) by dpdk.org (Postfix) with ESMTP id A0B162BAF for ; Tue, 12 Mar 2019 10:42:55 +0100 (CET) Received: by mail-lj1-f175.google.com with SMTP id t13so1695557lji.2 for ; Tue, 12 Mar 2019 02:42:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=sMaUP1IXchL2n/gAXmWGYsPPjyfB2vEUf4pfjZ0Il1I=; b=APMYycQRdsRDPkNXuAxm2bRCkYrp4vl4OQNfuQoB78arM/Jg4lxX4ehc/ntBJSM672 VN4IJ9CSLoWJ+1RAfiuNrLb69teC5rPndbavU4QqjTJnhxyM//nZz7oth9AZng/nO38b vmo38BhCT3YNSCNKH6Z1/Bj4YTCYHW6iOnhk/JzcoV2xMGrOL5Er1+lAL8VkFtLeQTHB AkJt4y8bvpP6R+oaTSh5U2vYrflPA2LR+uL6yJ6c6838Z0Ii5To1jURoF06ElVaUH75S K0T/kna4KuaIpj9br+90iKtN8AewzD+u5W5kXDET7b76dqm702dJ2TDQ+Hf3uvEet8M6 lxyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=sMaUP1IXchL2n/gAXmWGYsPPjyfB2vEUf4pfjZ0Il1I=; b=U9jBbOcEkWPCemy1jI+nJNAtydOp7fuVGsAPYewVzAcY89fehDi5qP2ty3iZXQUs+S +6Ry8s6nCarNDkn/z9D5nZXchyArKgBFC4UBeVhnPV2yJulTWbxAl/XhShs+uFua6QK3 uqEtv50Ezn2xQOHVgJG3zJEBnWPVwLDodOmbhEaenn+PxlEFva89cSsaRW6jv+3nyQnk 90oEG4zvHes08HqytZI6D1USg11AICugQSxi5HCPmuVPCIh7nZ+hIYXDfygiCBCoObx6 1IBrGwEAVL/mNamirBzEh5cZxRFApChByFP+AaZjseEbLltO5JYz4ECo/XtcGGJariQK Tmeg== X-Gm-Message-State: APjAAAWFMsTcnvzNoXypU9t3zPfq2KYd5PXhaQYXJI6QYavY+Xuak19D VK220YkLVsXxdlTRhVUwB4SgJptpiV5cHqCBe9A= X-Google-Smtp-Source: APXvYqxI3C7VNHbvp4g1bN5V6ZB6oVLg6ckpFn5ZvxdrY91B0Jf3ZttNoAdn6CNAxRSzCtpiSLTBvzmerFGa7VJiTFc= X-Received: by 2002:a2e:88d1:: with SMTP id a17mr19216946ljk.169.1552383775151; Tue, 12 Mar 2019 02:42:55 -0700 (PDT) MIME-Version: 1.0 References: <20190312093826.GA914268@bricha3-MOBL.ger.corp.intel.com> In-Reply-To: <20190312093826.GA914268@bricha3-MOBL.ger.corp.intel.com> From: Thanneeru Srinivasulu Date: Tue, 12 Mar 2019 15:12:44 +0530 Message-ID: To: Bruce Richardson Cc: dev@dpdk.org Content-Type: text/plain; charset="UTF-8" Subject: Re: [dpdk-dev] Query : Does Binding with vfio-pci is supported inside qemu-kvm guest/vm instance.? X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Mar 2019 09:42:55 -0000 Thanks Bruce.. On Tue, Mar 12, 2019 at 3:08 PM Bruce Richardson wrote: > > On Tue, Mar 12, 2019 at 10:57:55AM +0530, Thanneeru Srinivasulu wrote: > > Hi Everyone. > > > > I did attached pice to Guest VM using vfio-pci with qemu command, and then > > tried binding the pcie bdf with vfio-pci, observing binding failure with > > vfio-pci. > > > > Where as when tryied with igb_uio, everything works fine. > > > > Does Binding with vfio-pci is supported inside VM/guest? > > > vfio support requires the presence of an IOMMU, and you generally don't > have an IOMMU available in a VM. > > /Bruce -- Regards, Srinivas