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 DB3A8EB64D9 for ; Tue, 4 Jul 2023 03:48:38 +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 F40B43356A for ; Tue, 4 Jul 2023 03:48:37 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id D11CC98658E for ; Tue, 4 Jul 2023 03:48:37 +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 C5CB89863B2; Tue, 4 Jul 2023 03:48:37 +0000 (UTC) Mailing-List: contact virtio-comment-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 ACAA7986559 for ; Tue, 4 Jul 2023 03:48:37 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-IronPort-AV: E=McAfee;i="6600,9927,10760"; a="343357378" X-IronPort-AV: E=Sophos;i="6.01,179,1684825200"; d="scan'208";a="343357378" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10760"; a="784082814" X-IronPort-AV: E=Sophos;i="6.01,179,1684825200"; d="scan'208";a="784082814" Message-ID: Date: Tue, 4 Jul 2023 11:48:31 +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/102.12.0 Content-Language: en-US To: Parav Pandit , "Michael S. Tsirkin" , Xuan Zhuo Cc: Jason Wang , "virtio-comment@lists.oasis-open.org" References: <1687243466.51691-1-xuanzhuo@linux.alibaba.com> <1688104464.531018-1-xuanzhuo@linux.alibaba.com> <1688372430.0519888-1-xuanzhuo@linux.alibaba.com> <20230703071106-mutt-send-email-mst@kernel.org> From: "Zhu, Lingshan" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [virtio-comment] About the plan of Admin Queue On 7/4/2023 4:38 AM, Parav Pandit wrote: > >> From: Michael S. Tsirkin >> Sent: Monday, July 3, 2023 9:05 AM >> >> OK it looks like at least Parav and Jason understand what's going on, maybe one >> of you can explain: >> >> 1- there's a management stack that can bind an ID >> to a group of properties >> 2- the proposed command then binds an ID to a VF >> 3- after this, VF can be assigned to a VM >> >> Is this a fair summary? >> >> In that case what is gained compared to >> configuring properties on the VF directly? >> Why is not the ID an internal property of the management? > For VFs I also believe we can live with an internal property. > > For migratable SIOV devices which are spawned by the management system has similar ID assigned by the mgmt. system. > Having such node local ID is needed anyway. > > There is a struggle (scale wise) to make such ID network wide unique if each virtio device to expose such id at transport level. Maybe you don't want a guest talking to the PF through admin queue directly, so there can be a wrapper for SIOV ADIs, therefore the ID is not a problem for migration. This publicly archived list offers a means to provide input to the OASIS Virtual I/O Device (VIRTIO) TC. In order to verify user consent to the Feedback License terms and to minimize spam in the list archive, subscription is required before posting. Subscribe: virtio-comment-subscribe@lists.oasis-open.org Unsubscribe: virtio-comment-unsubscribe@lists.oasis-open.org List help: virtio-comment-help@lists.oasis-open.org List archive: https://lists.oasis-open.org/archives/virtio-comment/ Feedback License: https://www.oasis-open.org/who/ipr/feedback_license.pdf List Guidelines: https://www.oasis-open.org/policies-guidelines/mailing-lists Committee: https://www.oasis-open.org/committees/virtio/ Join OASIS: https://www.oasis-open.org/join/