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 83AD9C77B75 for ; Fri, 5 May 2023 15:41:38 +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 1A6221922EC for ; Fri, 5 May 2023 15:41:35 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 1509598670E for ; Fri, 5 May 2023 15:41:35 +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 0A9079866CC; Fri, 5 May 2023 15:41:35 +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 8ABCB98670B for ; Fri, 5 May 2023 15:41:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: DZCKoPnKMLGldgQA07jw8w-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683301258; x=1685893258; 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=hrLDYm0tWFX3og+TOXpTdZLvlimTZWf1SkPsKWu4K7M=; b=DA4/Rmf2vCO04d+ZDMYhKOp8AsZ4LduO/pd7dJR53JJ6MN43iCsAHFS7liJVVLXbcg ZhryyfAAiELt7EGFEbeIpJbOyii09UBRjCANr0ydEs4lOsytMgPlgNu5dG7UAceZE/FC epq7+1Ob1yYcobiuj6wh6TzoCuGgGSkqqLO00KfF0V70pkWaHFP6Alikl4Jhy/iXkNxH 8pfV3oMlhEnSW+9DIkewqvHuGNpcxkGr0pkaBtK3AuO7pviCratSGs0Y7g3MQlU5S5Qc Pxay+EJLnBzuzxq6wgVYKylDDqDtMvA4ya0J3+xuWS2PX/2IGnSvoRqZYn6QzwTku5Ti cIMQ== X-Gm-Message-State: AC+VfDwWIThY/YFA4k70CdEWf8xYjydUIsc9fjnTVFwOU7L4JP9CAkNv rcTUeemNwd76dl2A9TNP+XFTrKg+b9ZNaLfL9Zfov+nzfeAhVNqMLmhguAfnCqlmSsRrY4PckwZ QBatTR9ZsBLb9BMfO1VzmMMmfnAh8 X-Received: by 2002:adf:f183:0:b0:2fe:f2d1:dcab with SMTP id h3-20020adff183000000b002fef2d1dcabmr1621411wro.58.1683301258472; Fri, 05 May 2023 08:40:58 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ5SqbYI3pn33Vj57EIVe6xLzSPTdhiPALQs+drOYuQ9m7bGYJMp2Soo1q40q8R0EpNKeZcrqg== X-Received: by 2002:adf:f183:0:b0:2fe:f2d1:dcab with SMTP id h3-20020adff183000000b002fef2d1dcabmr1621395wro.58.1683301258161; Fri, 05 May 2023 08:40:58 -0700 (PDT) Date: Fri, 5 May 2023 11:40:54 -0400 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, Jiri Pirko , Zhu Lingshan , pasic@linux.ibm.com, Shahaf Shuler , Parav Pandit , Max Gurtovoy Message-ID: <2ce496d32bf090cb7858b31736a4e37515e1e0d2.1683301091.git.mst@redhat.com> 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 v13 06/10] mmio: 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. Signed-off-by: Michael S. Tsirkin Reviewed-by: Parav Pandit Reviewed-by: Stefan Hajnoczi Reviewed-by: Max Gurtovoy --- changes in v12: drop "as of now" to address comment by parav --- transport-mmio.tex | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/transport-mmio.tex b/transport-mmio.tex index f884a2c..5680fc4 100644 --- a/transport-mmio.tex +++ b/transport-mmio.tex @@ -562,3 +562,15 @@ \subsection{Legacy interface}\label{sec:Virtio Transport Options / Virtio Over M \end{enumerate} Notification mechanisms did not change. + +\subsection{Features reserved for future use}\label{sec:Virtio Transport Options / Virtio Over MMIO / Features reserved for future use} + +Devices and drivers utilizing Virtio Over MMIO +do not support the following features: +\begin{itemize} + +\item VIRTIO_F_ADMIN_VQ + +\end{itemize} + +These features are reserved for future use. -- MST --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org 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 3A3C5C77B7F for ; Fri, 5 May 2023 15:41:33 +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 936AB157757 for ; Fri, 5 May 2023 15:41:32 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 83A77986742 for ; Fri, 5 May 2023 15:41:32 +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 78E029866BC; Fri, 5 May 2023 15:41:32 +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 D0966986704 for ; Fri, 5 May 2023 15:41:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: G-xkez5hO5iyuhsQRQKW0g-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683301258; x=1685893258; 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=hrLDYm0tWFX3og+TOXpTdZLvlimTZWf1SkPsKWu4K7M=; b=XjPFCIfCIZQ49qzf437+wdncbHYDI25Ye+1U3SWNOhrQ+uUeg5aUwpM5mYcwO8Ql/U awUZ7XcExiuWbvTuD3PZUbIRcE5Y6DS0XTYR5ljEKdTYHGXwWCw1GWZxEgrRzKXTnkBP WLnjQOG5J28DRTYpm7DzjSlmOp9Me5Z3hvLSSnb7XrI5A8TjwdwFo0J2Z6ijlJDSHxsD MHL/Ed43jA2Dp7aC7bZJ4x1NyOKjI5SG6HF88asSKKvFs6iip5mXdI8EQ6V4fMytxdP7 lrVYEYTbvM0RFw3UMmzu2ctJ4FokNxn+ugBfqz9gc+32WXHnJ3zJWZI3s/MYl7OB75Fy QIXQ== X-Gm-Message-State: AC+VfDzg86LxxhJnSF1v5dnTWSeNqKHNvRKKgfu34Wb2KKijFmGU+Xlc D4OFtAkjDFHgR8MGGy+we/Nhn/LwYcYJqe6hxIAQB79brAvSlOw1MvfPMeuif7xrWeoMu+/rLVG QnWpRt/AJzPbyBvcHjKzUo3nBsRM+IuFqRs+OveNzUPJyqCjzZYn/YZDzcg8ZvDBotXtM6Te3TY 545PCEINVimS0= X-Received: by 2002:adf:f183:0:b0:2fe:f2d1:dcab with SMTP id h3-20020adff183000000b002fef2d1dcabmr1621422wro.58.1683301258509; Fri, 05 May 2023 08:40:58 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ5SqbYI3pn33Vj57EIVe6xLzSPTdhiPALQs+drOYuQ9m7bGYJMp2Soo1q40q8R0EpNKeZcrqg== X-Received: by 2002:adf:f183:0:b0:2fe:f2d1:dcab with SMTP id h3-20020adff183000000b002fef2d1dcabmr1621395wro.58.1683301258161; Fri, 05 May 2023 08:40:58 -0700 (PDT) Date: Fri, 5 May 2023 11:40:54 -0400 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, Jiri Pirko , Zhu Lingshan , pasic@linux.ibm.com, Shahaf Shuler , Parav Pandit , Max Gurtovoy Message-ID: <2ce496d32bf090cb7858b31736a4e37515e1e0d2.1683301091.git.mst@redhat.com> 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-comment] [PATCH v13 06/10] mmio: 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. Signed-off-by: Michael S. Tsirkin Reviewed-by: Parav Pandit Reviewed-by: Stefan Hajnoczi Reviewed-by: Max Gurtovoy --- changes in v12: drop "as of now" to address comment by parav --- transport-mmio.tex | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/transport-mmio.tex b/transport-mmio.tex index f884a2c..5680fc4 100644 --- a/transport-mmio.tex +++ b/transport-mmio.tex @@ -562,3 +562,15 @@ \subsection{Legacy interface}\label{sec:Virtio Transport Options / Virtio Over M \end{enumerate} Notification mechanisms did not change. + +\subsection{Features reserved for future use}\label{sec:Virtio Transport Options / Virtio Over MMIO / Features reserved for future use} + +Devices and drivers utilizing Virtio Over MMIO +do not support the following features: +\begin{itemize} + +\item VIRTIO_F_ADMIN_VQ + +\end{itemize} + +These features are reserved for future use. -- MST This publicly archived list offers a means to provide input to the OASIS Virtual I/O Device (VIRTIO) TC. 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