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 2284FC77B75 for ; Tue, 23 May 2023 18:17:04 +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 52FE316E5A3 for ; Tue, 23 May 2023 18:17:03 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 36D6E9863FB for ; Tue, 23 May 2023 18:17:03 +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 2073E986387; Tue, 23 May 2023 18:17:03 +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 0B5A79863D0 for ; Tue, 23 May 2023 18:17:03 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: d3ggXNGcOf2stPgN8yDWBw-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684865819; x=1687457819; 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=50vp9IUVKc4aJTq7o4kyUrwCeg2bZHDm3SwuEPSUQY4=; b=HJIWz4VjTPj2y8WeaoIoK1bqSkbX86SWUwkhKWMvVtKIJtX9NmPFETnb+ereM3zRF4 epIWiO/Kt5tdYNVmsMhIWzXAWeG+XYeRBOZhqv5xvDaDgbdVHqFtIgRan6KIOUSc8MXm SPowrKNRFWTd/FR66ZWxaKmj84vNWG/5r3Y1Eb9FaP2URtX7qtu1ke4oVM5AmF1CD5HX AWXSs+JgUPLCqIiPkh7u6u0k9p7Fx8x7AQEGsNTyOoTxwV1vIdQ//yDJ7fpf0ftyvckW MFMtKPYb5HJZSPvDOG3N4GyImZwYKvRWc6t/0yPEVGAKKt2K4JC4MAyqtXdtwy8wAOv3 tBsQ== X-Gm-Message-State: AC+VfDyb1c54kvgbrty7Hw6S/ClurbdWsKjMb++aMG7EavI51hV3xYxJ D6kWcKEr1R81MxDffsehe+27sFK7KBHzgwlfnEEq00wpvatnGMp3Xo5O/XP3F/rd173IB+4wx5N f62zNJ9I3M2TjnO99wiElp4tlUYU+Y5hwJw== X-Received: by 2002:a7b:cb87:0:b0:3f6:37b:6390 with SMTP id m7-20020a7bcb87000000b003f6037b6390mr6476177wmi.32.1684865819653; Tue, 23 May 2023 11:16:59 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ5Bt4HbmOhM4xDmUp6UIsuGvYVvrY/s/+qlDptoym3KcEaN3HoTDfeEMrF/uCKF1IoIeAj93A== X-Received: by 2002:a7b:cb87:0:b0:3f6:37b:6390 with SMTP id m7-20020a7bcb87000000b003f6037b6390mr6476161wmi.32.1684865819358; Tue, 23 May 2023 11:16:59 -0700 (PDT) Date: Tue, 23 May 2023 14:16:55 -0400 From: "Michael S. Tsirkin" To: Parav Pandit Cc: Jason Wang , "virtio-dev@lists.oasis-open.org" , "cohuck@redhat.com" , "david.edmondson@oracle.com" , "sburla@marvell.com" , Yishai Hadas , Maor Gottlieb , "virtio-comment@lists.oasis-open.org" , Shahaf Shuler Message-ID: <20230523141439-mutt-send-email-mst@kernel.org> References: <20230510014534-mutt-send-email-mst@kernel.org> <20230510033812-mutt-send-email-mst@kernel.org> <20230511085205-mutt-send-email-mst@kernel.org> <0f75a142-71e9-676a-11ae-a54e6dbb472d@redhat.com> <20230515060641-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: [virtio-comment] Re: [PATCH v2 0/2] transport-pci: Introduce legacy registers access using AQ On Mon, May 15, 2023 at 02:30:55PM +0000, Parav Pandit wrote: > > > From: Michael S. Tsirkin > > Sent: Monday, May 15, 2023 6:09 AM > > To be more specific, device config often has the same layout under legacy and > > modern. Thus if getting an offset within device config, same decoding logic > > should be reusable between legacy and modern. > Modern device registers are directly accessible from the guest driver without mediation for VF,SF,SIOV. > Hence, there is no need to have commands for modern register access over some VQ. Yes, there's need, and some of it you were pushing yourself. AQ will allow reduced memory with SRIOV, and support for SIOV. > Will reply to rest of the Jason's comments in some time. 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. 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