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 3AB49C678D4 for ; Thu, 2 Mar 2023 13:06:39 +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 8BE6B23D57 for ; Thu, 2 Mar 2023 13:06:15 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 857169866A8 for ; Thu, 2 Mar 2023 13:06:15 +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 7AD3F986676; Thu, 2 Mar 2023 13:06:15 +0000 (UTC) Mailing-List: contact virtio-dev-help@lists.oasis-open.org; run by ezmlm List-Id: 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 3FEC698669C for ; Thu, 2 Mar 2023 13:06:14 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: jlzC7ygoN-2okIj-8Uz8zQ-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1677762322; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Sf1IpS7VT/gug9Fti3yx3cdh/uC6X+C7k5kIk4CUq3k=; b=f2SVjxHIlaUhUpzGSD+yj7S4JoWg9mqZr8cR2mX0olJx9f++t3eXzqNA03Y8G+EHwe 4AlzLXWmwLFOfo+FBC8lLcwIE3dcJg8wk/zS6cwL0q/HE9Vr+Imav32Lhoz2lom5MNmA 8ZCvNwvuWqW6BoFsLARKL2p5a6z6PhKH1/sBRAApt9JL7F3yNHFXqAvsGQzdfn4sQtPt lYRgXAZJMyngkNWDh6f1Zdh84HvoKyGr6LKzu7cxiWw5Q/PnMgbsMbr0D6Y279/yw0Hj +3GY1dquNb/S6GxvWnxkogp4AR8aVEMG1PcL/Fm5CR3QZM69hqKWDx7XQ0GBEWETSops DMpw== X-Gm-Message-State: AO0yUKWyGw3ZITaDCoBSxxWmFVXKyhoFkh7+AVmDlE8LBq8GGXPp28gB vfhMGnidO9gzTAkazwCHSn3nVlPpYJXlcjAOqjRl5lviSw/m8vq62LydgrPxKm0Yn9Ug4BXfRQF VrAR61UypwmnHc1rb4e4wXWzxlAk3 X-Received: by 2002:a05:6000:104d:b0:2c7:390e:163c with SMTP id c13-20020a056000104d00b002c7390e163cmr7204581wrx.47.1677762322104; Thu, 02 Mar 2023 05:05:22 -0800 (PST) X-Google-Smtp-Source: AK7set+bCZOxa9ufDTHNXsUJABlz5CwvSXfdY144y/CG9ZlCOCKwnIKjLmljUs6rSTpSYYHRyiPNZQ== X-Received: by 2002:a05:6000:104d:b0:2c7:390e:163c with SMTP id c13-20020a056000104d00b002c7390e163cmr7204566wrx.47.1677762321918; Thu, 02 Mar 2023 05:05:21 -0800 (PST) Date: Thu, 2 Mar 2023 08:05:18 -0500 From: "Michael S. Tsirkin" To: virtio-comment@lists.oasis-open.org, virtio-dev@lists.oasis-open.org, jasowang@redhat.com, mst@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, Zhu Lingshan , pasic@linux.ibm.com, Shahaf Shuler , Parav Pandit , Max Gurtovoy Message-ID: References: MIME-Version: 1.0 In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: [virtio-dev] [PATCH v10 07/10] ccw: document ADMIN_VQ as reserved 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 --- content.tex | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/content.tex b/content.tex index 6c3ee52..b414133 100644 --- a/content.tex +++ b/content.tex @@ -2977,6 +2977,18 @@ \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 -- MST --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org