From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA2D3C433ED for ; Tue, 27 Apr 2021 15:05:03 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5119E60FEE for ; Tue, 27 Apr 2021 15:05:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5119E60FEE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:39820 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lbPGo-00072m-5Y for qemu-devel@archiver.kernel.org; Tue, 27 Apr 2021 11:05:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52238) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lbPDk-00050h-N5 for qemu-devel@nongnu.org; Tue, 27 Apr 2021 11:01:52 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:43641) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lbPDd-0006Iz-FW for qemu-devel@nongnu.org; Tue, 27 Apr 2021 11:01:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1619535685; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=w2AYXJGY42N2Zys4dMIZm8PoMl/4S0gjwdfVZjVf4sM=; b=e+Bu6aUupchKbMfBOq3QfIOXoTS0kBYKBbxJpBmwiIHs8zDOP0nFeAE/HtvTGG2xn9yYvd k2t41J6yQGqsIXyuL+7D6aZKrGxSL1uwdSS+uhpbTv42U7X41rbpWRXzRXudsQ5ZFa4kwo 1VFuZVCKMMgp72RJyDD2r8RRrx5xZOg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-228-1A-1CMEzOTCYuih3lg9DZQ-1; Tue, 27 Apr 2021 11:01:21 -0400 X-MC-Unique: 1A-1CMEzOTCYuih3lg9DZQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 23F451008075; Tue, 27 Apr 2021 15:01:18 +0000 (UTC) Received: from localhost (ovpn-115-30.ams2.redhat.com [10.36.115.30]) by smtp.corp.redhat.com (Postfix) with ESMTP id CF5D05C626; Tue, 27 Apr 2021 15:01:01 +0000 (UTC) Date: Tue, 27 Apr 2021 16:01:00 +0100 From: Stefan Hajnoczi To: Thanos Makatos Subject: Re: [PATCH v8] introduce vfio-user protocol specification Message-ID: References: <20210414114122.236193-1-thanos.makatos@nutanix.com> MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=stefanha@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="9IzSfQn42dFlYsCD" Content-Disposition: inline Received-SPF: pass client-ip=170.10.133.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.218, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "benjamin.walker@intel.com" , Peter Maydell , Swapnil Ingle , John G Johnson , Jason Wang , "qemu-devel@nongnu.org" , John Levon , Kirti Wankhede , Gerd Hoffmann , "tina.zhang@intel.com" , "jag.raman@oracle.com" , "james.r.harris@intel.com" , John Levon , "Michael S. Tsirkin" , Elena Ufimtseva , "Kanth.Ghatraju@oracle.com" , Felipe Franciosi , "marcandre.lureau@redhat.com" , Christophe de Dinechin , Yan Zhao , "konrad.wilk@oracle.com" , "yuvalkashtan@gmail.com" , "dgilbert@redhat.com" , "ismael@linux.com" , "changpeng.liu@intel.com" , "tomassetti.andrea@gmail.com" , "mpiszczek@ddn.com" , Cornelia Huck , "alex.williamson@redhat.com" , Raphael Norwitz , "xiuchun.lu@intel.com" , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --9IzSfQn42dFlYsCD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 27, 2021 at 12:02:44PM +0000, Thanos Makatos wrote: >=20 >=20 > > -----Original Message----- > > From: Stefan Hajnoczi > > Sent: 26 April 2021 16:48 > > To: Thanos Makatos ; Peter Maydell > > ; Michael S. Tsirkin > > Cc: qemu-devel@nongnu.org; John Levon ; > > John G Johnson ; > > benjamin.walker@intel.com; Elena Ufimtseva > > ; jag.raman@oracle.com; > > james.r.harris@intel.com; Swapnil Ingle ; > > konrad.wilk@oracle.com; alex.williamson@redhat.com; > > yuvalkashtan@gmail.com; tina.zhang@intel.com; > > marcandre.lureau@redhat.com; ismael@linux.com; > > Kanth.Ghatraju@oracle.com; Felipe Franciosi ; > > xiuchun.lu@intel.com; tomassetti.andrea@gmail.com; Raphael Norwitz > > ; changpeng.liu@intel.com; > > dgilbert@redhat.com; Yan Zhao ; Michael S . Tsirk= in > > ; Gerd Hoffmann ; Christophe de > > Dinechin ; Jason Wang ; > > Cornelia Huck ; Kirti Wankhede > > ; Paolo Bonzini ; > > mpiszczek@ddn.com; John Levon > > Subject: Re: [PATCH v8] introduce vfio-user protocol specification > >=20 > > On Wed, Apr 14, 2021 at 04:41:22AM -0700, Thanos Makatos wrote: > > > This patch introduces the vfio-user protocol specification (formerly > > > known as VFIO-over-socket), which is designed to allow devices to be > > > emulated outside QEMU, in a separate process. vfio-user reuses the > > > existing VFIO defines, structs and concepts. > > > > > > It has been earlier discussed as an RFC in: > > > "RFC: use VFIO over a UNIX domain socket to implement device offloadi= ng" > > > > > > Signed-off-by: John G Johnson > > > Signed-off-by: Thanos Makatos > > > Signed-off-by: John Levon > >=20 > > No review yet but I wanted to agree on the next steps once the spec has > > been reviewed. > >=20 > > One or more of you would be added to ./MAINTAINERS and handle future > > patch review and pull requests for the spec. > >=20 > > The spec will be unstable/experimental at least until QEMU vfio-user > > implementation has landed. Otherwise it's hard to know whether the > > protocol really works. > >=20 > > Does this sound good? >=20 > Yes, of course. Great, hope to hear from Michael and Peter too. I will review the spec on Monday. Stefan --9IzSfQn42dFlYsCD Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmCIJywACgkQnKSrs4Gr c8jrAgf8CAFK1g4zq/2KOubAwd4Qv2/lHoPceZjEGxks5qQUin6yTlRy500YVZsE RVd0AgkCZSsHCB2N62Uc0HzQDppbAEhl27UjQd2fFb872yVQznFtH9m1JQ5BOSvb lvFzODK7drenVM93LJzN3tlpoMV8Qz/vs/cgY72eC0CGM7pgF6y2qDeuOQ9NYOFo XV1FBwLhjJyibOSegmMmXJpdBU2IDiX6jY/jm+9oHt9n+AyI2TUpFPOQoYInmtgP ITAKt6vS+4hDiIgP4uxj+ZVwG1aj/egezvUsd0tIgXxqbvYz7jI1yQY5sMlVyXxm K/gu2bgtGtZ6BQo7+iyBrh/7GSaYkQ== =ynka -----END PGP SIGNATURE----- --9IzSfQn42dFlYsCD--