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 41E83C76196 for ; Thu, 6 Apr 2023 07:20:23 +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 94CB92ACFE for ; Thu, 6 Apr 2023 07:20:22 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 89CD49865D1 for ; Thu, 6 Apr 2023 07:20:22 +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 7CBEE9865BA; Thu, 6 Apr 2023 07:20:22 +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 D5A4E9865B8; Thu, 6 Apr 2023 07:18:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-IronPort-AV: E=McAfee;i="6600,9927,10671"; a="428954289" X-IronPort-AV: E=Sophos;i="5.98,323,1673942400"; d="scan'208";a="428954289" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10671"; a="687032431" X-IronPort-AV: E=Sophos;i="5.98,323,1673942400"; d="scan'208";a="687032431" Message-ID: <65614a0a-c5ba-f98f-4aa3-a214537d6636@linux.intel.com> Date: Thu, 6 Apr 2023 15:18:50 +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/102.9.1 Content-Language: en-US To: "Michael S. Tsirkin" , virtio-comment@lists.oasis-open.org, virtio-dev@lists.oasis-open.org, jasowang@redhat.com, cohuck@redhat.com, sgarzare@redhat.com, stefanha@redhat.com, nrupal.jani@intel.com, Piotr.Uminski@intel.com, hang.yuan@intel.com Cc: virtio@lists.oasis-open.org, Jiri Pirko , Zhu Lingshan , pasic@linux.ibm.com, Shahaf Shuler , Parav Pandit , Max Gurtovoy References: <71c1c5f86e19651585426160fc4cc15dc2da6ee6.1680533760.git.mst@redhat.com> From: Zhu Lingshan In-Reply-To: <71c1c5f86e19651585426160fc4cc15dc2da6ee6.1680533760.git.mst@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [virtio-dev] [PATCH v11 07/10] ccw: document ADMIN_VQ as reserved On 4/3/2023 11:03 PM, Michael S. Tsirkin wrote: > Adding relevant registers needs more work and it's not > clear what the use-case will be as currently only > the PCI transport is supported. But let's keep the > door open on this. > We already say it's reserved in a central place, but it > does not hurt to remind implementers to mask it. > > Note: there are more features to add to this list. > Will be done later with a patch on top. > > Signed-off-by: Michael S. Tsirkin > Reviewed-by: Stefan Hajnoczi > --- > content.tex | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/content.tex b/content.tex > index f7446bf..1213d48 100644 > --- a/content.tex > +++ b/content.tex > @@ -2978,6 +2978,18 @@ \subsubsection{Resetting Devices}\label{sec:Virtio Transport Options / Virtio ov > MAY also choose to verify reset completion by reading \field{device status} via > CCW_CMD_READ_STATUS and checking whether it is 0 afterwards. > > +\subsection{Features reserved for future use}\label{sec:Virtio Transport Options / Virtio over channel I/O / Features reserved for future use} > + > +At this time, devices and drivers utilizing Virtio over channel I/O > +do not support the following features: > +\begin{itemize} > + > +\item VIRTIO_F_ADMIN_VQ > + > +\end{itemize} > + > +These features are reserved for future use. > + > \chapter{Device Types}\label{sec:Device Types} > > On top of the queues, config space and feature negotiation facilities Reviewed-by: Zhu Lingshan --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org