From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vk0-f42.google.com (mail-vk0-f42.google.com [209.85.213.42]) by dpdk.org (Postfix) with ESMTP id 6D77829D6 for ; Tue, 7 Feb 2017 10:29:03 +0100 (CET) Received: by mail-vk0-f42.google.com with SMTP id k127so73669098vke.0 for ; Tue, 07 Feb 2017 01:29:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netronome-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=IF2ybNY5ePcLMCGjSWRhSn0ftTESIS0IKlZJOJeSYyg=; b=Pp6y2u4uNcXbza648XWX6wBEPvntDQSucVyvEXnFg8pW4PPZx4TDR59txfB13lydi7 /CN3epown3e4pLJA3FuUJMLRXx5lEksi1JK1d1IKVPBdR+eJ4cmDbHV07DDwJsho9lIt KvXBVh6RJNbWREM0Y4dmMyEBDkqEWU+a02w0GfRUYz/uNgDcdAOokahgm2qcOy7arwkR ZbIfQ8h7gipuyYgTiGhOCrJaJlKraCfjN4YUrJ1AR89uHBbrDTKEWMIRxXhdT4t3W1s7 PI4rSyxqISaDK0cNksoNHuck7DHm1AVIuxSLIBOyYqoLfNvlIkGx4KK4F8uYIugk/Qpe rMKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=IF2ybNY5ePcLMCGjSWRhSn0ftTESIS0IKlZJOJeSYyg=; b=l8qv059VqGETlxZvLRubs8FXxFcMyLZKYMtSQRbmDpgcbg+Vym0uFcbzOsKQI138Hu fJZ7s8G0tEj3tluNlFibjYFq+AOQgeeve7ArFn6isLpwTFfP/rLxun7Fc3wB/rzmkzVJ S6hEIqkA16JCuSXJdJnm4xWDNnnrXjSJrZiKLYrpixka/jSHSnzye0bW3A2qLQo9zXec GLt2hDijo94HQlRixgKwqni5Zx0R9W7ZBjWHoOEcRRvrSLGIRAucEzUB0WMQee6qBRni 4qcbismyRdJPym12geH9SodSvoOd7UvLgTSttM2AredWZRN2tRqrAYBiL1zItMy3CyRz mCFw== X-Gm-Message-State: AMke39k/nfrel93uHHdHYaIBWQ7zZGl6T5oq8THG1Oa2HAUkEQ1KNDK17T6tXRJ2LBTBMpLp6sZaKspVh8ykghi8 X-Received: by 10.31.99.1 with SMTP id x1mr6641594vkb.161.1486459742645; Tue, 07 Feb 2017 01:29:02 -0800 (PST) MIME-Version: 1.0 Received: by 10.103.146.141 with HTTP; Tue, 7 Feb 2017 01:29:02 -0800 (PST) In-Reply-To: <2ce1bbcd-f3f2-bf8f-7b86-f04072139c4b@redhat.com> References: <1eca3907-39e6-2b09-a8fc-fe894988cc79@redhat.com> <2ce1bbcd-f3f2-bf8f-7b86-f04072139c4b@redhat.com> From: Alejandro Lucero Date: Tue, 7 Feb 2017 09:29:02 +0000 Message-ID: To: echaudron@redhat.com Cc: "Burakov, Anatoly" , "dev@dpdk.org" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-dev] Hotplug support for VFIO 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, 07 Feb 2017 09:29:03 -0000 It seems none is working on this VFIO support. I will work on this if there is no reply to this thread saying the opposite the next days. On Thu, Feb 2, 2017 at 12:58 PM, Eelco Chaudron wrote: > On 02/02/17 13:05, Burakov, Anatoly wrote: > >> Hi Eelco, >> >> Please forgive me my ignorance on this matter, but doesn't it work at the >> moment? I would assume that if regular PCI hotplug works (with igb_uio), >> then so would hotplug with VFIO, as it basically utilizes the same PCI >> infrastructure igb_uio does. That said, I'm not aware of any patches >> submitted that had to do with VFIO and hotplug, so I guess the answer is, >> not at the moment. >> >> Thanks, >> Anatoly >> > I was asking as the documentation explicitly mentions its not supported. > http://dpdk.org/doc/guides/prog_guide/port_hotplug_framework.html#hotplug > > - "To detach a port, the port should be backed by a device that igb_uio > manages. VFIO is not supported." > > I could not find any specific reason why it's not supported, so if some > one can explain this it would help also... > > Cheers, > > Eelco > > >