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 Received: from ws5-mx01.kavi.com (ws5-mx01.kavi.com [34.193.7.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0BDE1C2FC04 for ; Thu, 17 Aug 2023 03:05:35 +0000 (UTC) Received: from lists.oasis-open.org (oasis.ws5.connectedcommunity.org [10.110.1.242]) by ws5-mx01.kavi.com (Postfix) with ESMTP id C195D2B04C for ; Thu, 17 Aug 2023 03:05:33 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 269E29867AE for ; Thu, 17 Aug 2023 03:05:33 +0000 (UTC) Received: from host09.ws5.connectedcommunity.org (host09.ws5.connectedcommunity.org [10.110.1.97]) by lists.oasis-open.org (Postfix) with QMQP id 95A989863FE; Thu, 17 Aug 2023 03:05:32 +0000 (UTC) Mailing-List: contact virtio-dev-help@lists.oasis-open.org; run by ezmlm List-ID: Sender: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id F1A899863F0; Thu, 17 Aug 2023 03:04:50 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-IronPort-AV: E=McAfee;i="6600,9927,10803"; a="375463553" X-IronPort-AV: E=Sophos;i="6.01,178,1684825200"; d="scan'208";a="375463553" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10803"; a="763866783" X-IronPort-AV: E=Sophos;i="6.01,178,1684825200"; d="scan'208";a="763866783" Message-ID: Date: Thu, 17 Aug 2023 11:04:43 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Firefox/102.0 Thunderbird/102.14.0 Content-Language: en-US To: jasowang@redhat.com, mst@redhat.com, eperezma@redhat.com, cohuck@redhat.com, parav@nvidia.com Cc: virtio-comment@lists.oasis-open.org, virtio-dev@lists.oasis-open.org References: <20230814192904.30062-1-lingshan.zhu@intel.com> From: "Zhu, Lingshan" In-Reply-To: <20230814192904.30062-1-lingshan.zhu@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: [virtio-dev] Re: [RFC PATCH 0/5] virtio: introduce SUSPEND bit and vq state Hi @Parav I remember you are interested in live migration, any comments? Thanks Zhu Lingshan On 8/15/2023 3:28 AM, Zhu Lingshan wrote: > This seires introduces > 1)a new SUSPEND bit in the device status > Which is used to suspend the device, so that the device states > and virtqueue states are stablized. > > 2)virtqueue state and accessors, to get and set last_avail_idx > and last_used_idx of virtqueues. > > The main usecase of these new facilities is Live Migration. > > Furture work: dirty page tracking and in-flight descriptors. > > This is RFC, this series carries on Jason and Eugenio's pervious work. > > Any comments are welcome. > > Zhu Lingshan (5): > virtio: introduce SUSPEND bit in device status > virtio: introduce vq state as basic facility > virtio: The actions by the device upon SUSPEND > virtqueue: constraints for virtqueue state > virtio-pci: implement VIRTIO_F_QUEUE_STATE > > content.tex | 120 ++++++++++++++++++++++++++++++++++++++++++++++ > transport-pci.tex | 15 ++++++ > 2 files changed, 135 insertions(+) > --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org