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 C4CA4C77B75 for ; Fri, 5 May 2023 15:42:12 +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 C01C1F3F68 for ; Fri, 5 May 2023 15:41:48 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id B644E9866CF for ; Fri, 5 May 2023 15:41:48 +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 A93339866C2; Fri, 5 May 2023 15:41:48 +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 7FCBF986756 for ; Fri, 5 May 2023 15:41:28 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: ckKt5MqTN0uSYPQi9-8Slw-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683301262; x=1685893262; 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=6TBRQFnF9vtLPx3AcrK3IgDuWPAKNdNiqDo5m0n9nBM=; b=iX9EfL/jtzI/YLS/6IHfMbH4d/kRxgyuq3mPog05+C9z25HNjI22R1NjiGx5Vw/XOc aZ1nwWvWsm4Jp+BSyIi2549qyJ4eJmBv3l6phfarnPcKg8ib2qxwd9fh4wJJce3Ia7Nr OTR0EXs3zmXQiYEurpckbTUFx+b0Evtcll+pGZE1lea03rIv0RTeHPgQqTER24LY8/XE hhsfdpZ36xLRCakmUHjCuOdFfe03TXNb1KB2V6oL1WO9dYvTJRq6vV39gtHYiIRCcNAV dBEz91xkQvkZnJvhgHZPKLTObfxt2zYXpBjfRcQXCq+lL9XE+I1ybk25t/pFg8tgOljq ohNw== X-Gm-Message-State: AC+VfDwUWe9jakllRccF8tCmoO4DR2aoZcomdWO5PDEnmcQu5M2vgP4c ZJyIWoE5EkI3FD8Ra6ccZfiufn3HJSiyTycYcCT5yHtbTCexa8lzKs+9CHuY/QLbWZeefuugWlj 07pBeH3YXhtZNd4lbv/SWir7qo5Ro X-Received: by 2002:a1c:4b0a:0:b0:3ee:96f0:ea31 with SMTP id y10-20020a1c4b0a000000b003ee96f0ea31mr1438027wma.18.1683301262317; Fri, 05 May 2023 08:41:02 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ6XiPVd69y9ChGUBLUcw1qf/0y4Gqb0IOfqgTCAMIVgfnFHCnLPwS8rwt/1/iur+LWPGKEUzw== X-Received: by 2002:a1c:4b0a:0:b0:3ee:96f0:ea31 with SMTP id y10-20020a1c4b0a000000b003ee96f0ea31mr1437998wma.18.1683301261885; Fri, 05 May 2023 08:41:01 -0700 (PDT) Date: Fri, 5 May 2023 11:40:58 -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: <879bb769e6cbf52799ee5f6ee8ea003efead61e7.1683301091.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 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 Reviewed-by: Stefan Hajnoczi Reviewed-by: Parav Pandit Reviewed-by: Zhu Lingshan Reviewed-by: Max Gurtovoy since v12: drop "at this time" comment by parav --- transport-ccw.tex | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/transport-ccw.tex b/transport-ccw.tex index c492cb9..d42ec7f 100644 --- a/transport-ccw.tex +++ b/transport-ccw.tex @@ -599,3 +599,15 @@ \subsubsection{Resetting Devices}\label{sec:Virtio Transport Options / Virtio ov successful conclusion of the CCW_CMD_VDEV_RESET channel command, although it 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} + +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. -- 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 B32B7C77B7F for ; Fri, 5 May 2023 15:41:49 +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 888EB339BA for ; Fri, 5 May 2023 15:41:41 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 806B89866C9 for ; Fri, 5 May 2023 15:41:41 +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 768989866BC; Fri, 5 May 2023 15:41:41 +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 74AEA98679F for ; Fri, 5 May 2023 15:41:28 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: a1Nq4QhONQaG2Mkbc9xHOw-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683301262; x=1685893262; 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=6TBRQFnF9vtLPx3AcrK3IgDuWPAKNdNiqDo5m0n9nBM=; b=E6+ktOjLkqf7iouXtJY9xbmP6aFpV3/szVzs0KXKE3rsTTiEYMoWoR+A3nB0pkcXZg VR9YD3UMCrZdXIqaD6XC/SsfvUzU53jw6WEorojspIi0+IoJ3p3BFOAocXOKHJEBjZx+ JP3b13eMXHrqUBy8Rp+ZRqRlUzyksWpfhHLvJM7nZPUw8FQJD3NAcyIVLlCw+LMihd52 zCHXUDlIndB+7vo1ahxOhQgJLuqFvOGWNTCplW74+wA0E8GR4yNlxR2R4Ta6QpudA15P 7HTV7vbFVXFmgLMK2PUJi+uGqPoUsb6nSCJjUjNC3cE2009MdbfSaDo+GOdYQsPhr06w 7E+w== X-Gm-Message-State: AC+VfDwkODDL+FaOzQY3InErI4UecG0aSmihRZIL0AWUFB0z29L8boUF pvv2RLqrOrDTzQS2kZ5jen/ST+bkLfwwfvasdJUe5VN7KwDfDhFPp2YnsqkahEBYTy5tzZnH7/K wi55GLZ1Nq9or4cmOY56/PEv7sVVkVpzBbE/ATLXs4wySFh/8tn40na7vBpVRF3EDzyYSUA7ZRn TY9yokatB+Z8s= X-Received: by 2002:a1c:4b0a:0:b0:3ee:96f0:ea31 with SMTP id y10-20020a1c4b0a000000b003ee96f0ea31mr1438030wma.18.1683301262345; Fri, 05 May 2023 08:41:02 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ6XiPVd69y9ChGUBLUcw1qf/0y4Gqb0IOfqgTCAMIVgfnFHCnLPwS8rwt/1/iur+LWPGKEUzw== X-Received: by 2002:a1c:4b0a:0:b0:3ee:96f0:ea31 with SMTP id y10-20020a1c4b0a000000b003ee96f0ea31mr1437998wma.18.1683301261885; Fri, 05 May 2023 08:41:01 -0700 (PDT) Date: Fri, 5 May 2023 11:40:58 -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: <879bb769e6cbf52799ee5f6ee8ea003efead61e7.1683301091.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 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 Reviewed-by: Stefan Hajnoczi Reviewed-by: Parav Pandit Reviewed-by: Zhu Lingshan Reviewed-by: Max Gurtovoy since v12: drop "at this time" comment by parav --- transport-ccw.tex | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/transport-ccw.tex b/transport-ccw.tex index c492cb9..d42ec7f 100644 --- a/transport-ccw.tex +++ b/transport-ccw.tex @@ -599,3 +599,15 @@ \subsubsection{Resetting Devices}\label{sec:Virtio Transport Options / Virtio ov successful conclusion of the CCW_CMD_VDEV_RESET channel command, although it 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} + +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. -- MST This publicly archived list offers a means to provide input to the OASIS Virtual I/O Device (VIRTIO) TC. 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