From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54059) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eM7Er-000845-Ab for qemu-devel@nongnu.org; Tue, 05 Dec 2017 02:02:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eM7Em-0006fb-Gz for qemu-devel@nongnu.org; Tue, 05 Dec 2017 02:01:57 -0500 Received: from mx1.redhat.com ([209.132.183.28]:49945) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eM7Em-0006fD-Ao for qemu-devel@nongnu.org; Tue, 05 Dec 2017 02:01:52 -0500 References: <1512444796-30615-1-git-send-email-wei.w.wang@intel.com> From: Jason Wang Message-ID: <3be9aa23-ca3b-2b16-ecf1-83388365c6b0@redhat.com> Date: Tue, 5 Dec 2017 15:01:25 +0800 MIME-Version: 1.0 In-Reply-To: <1512444796-30615-1-git-send-email-wei.w.wang@intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [virtio-dev] [PATCH v3 0/7] Vhost-pci for inter-VM communication List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Wei Wang , virtio-dev@lists.oasis-open.org, qemu-devel@nongnu.org, mst@redhat.com, marcandre.lureau@redhat.com, stefanha@redhat.com, pbonzini@redhat.com Cc: jan.kiszka@siemens.com, avi.cohen@huawei.com, zhiyong.yang@intel.com On 2017=E5=B9=B412=E6=9C=8805=E6=97=A5 11:33, Wei Wang wrote: > Vhost-pci is a point-to-point based inter-VM communication solution. Th= is > patch series implements the vhost-pci-net device setup and emulation. T= he > device is implemented as a virtio device, and it is set up via the > vhost-user protocol to get the neessary info (e.g the memory info of th= e > remote VM, vring info). > > Currently, only the fundamental functions are implemented. More feature= s, > such as MQ and live migration, will be updated in the future. > > The DPDK PMD of vhost-pci has been posted to the dpdk mailinglist here: > http://dpdk.org/ml/archives/dev/2017-November/082615.html > > v2->v3 changes: > 1) static device creation: instead of creating and hot-plugging the > device when receiving a vhost-user msg, the device is not created > via the qemu booting command line. > 2) remove vqs: rq and ctrlq are removed in this version. > - receive vq: the receive vq is not needed anymore. The PMD direct= ly > shares the remote txq and rxq - grab from remote txq= to > receive packets, and put to rxq to send packets. > - ctrlq: the ctrlq is replaced by the first 4KB metadata area of t= he > device Bar-2. > 3) simpler implementation: the entire implementation has been tailored > from ~1800 LOC to ~850 LOC. Hi: Any performance numbers you can share? Thanks From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: virtio-dev-return-2746-cohuck=redhat.com@lists.oasis-open.org Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [66.179.20.138]) by lists.oasis-open.org (Postfix) with ESMTP id 737C55818F4E for ; Mon, 4 Dec 2017 23:01:52 -0800 (PST) References: <1512444796-30615-1-git-send-email-wei.w.wang@intel.com> From: Jason Wang Message-ID: <3be9aa23-ca3b-2b16-ecf1-83388365c6b0@redhat.com> Date: Tue, 5 Dec 2017 15:01:25 +0800 MIME-Version: 1.0 In-Reply-To: <1512444796-30615-1-git-send-email-wei.w.wang@intel.com> Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: 8bit Content-Language: en-US Subject: Re: [virtio-dev] [PATCH v3 0/7] Vhost-pci for inter-VM communication To: Wei Wang , virtio-dev@lists.oasis-open.org, qemu-devel@nongnu.org, mst@redhat.com, marcandre.lureau@redhat.com, stefanha@redhat.com, pbonzini@redhat.com Cc: jan.kiszka@siemens.com, avi.cohen@huawei.com, zhiyong.yang@intel.com List-ID: On 2017年12月05日 11:33, Wei Wang wrote: > Vhost-pci is a point-to-point based inter-VM communication solution. This > patch series implements the vhost-pci-net device setup and emulation. The > device is implemented as a virtio device, and it is set up via the > vhost-user protocol to get the neessary info (e.g the memory info of the > remote VM, vring info). > > Currently, only the fundamental functions are implemented. More features, > such as MQ and live migration, will be updated in the future. > > The DPDK PMD of vhost-pci has been posted to the dpdk mailinglist here: > http://dpdk.org/ml/archives/dev/2017-November/082615.html > > v2->v3 changes: > 1) static device creation: instead of creating and hot-plugging the > device when receiving a vhost-user msg, the device is not created > via the qemu booting command line. > 2) remove vqs: rq and ctrlq are removed in this version. > - receive vq: the receive vq is not needed anymore. The PMD directly > shares the remote txq and rxq - grab from remote txq to > receive packets, and put to rxq to send packets. > - ctrlq: the ctrlq is replaced by the first 4KB metadata area of the > device Bar-2. > 3) simpler implementation: the entire implementation has been tailored > from ~1800 LOC to ~850 LOC. Hi: Any performance numbers you can share? Thanks --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org