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 23C0FCDB46E for ; Thu, 12 Oct 2023 13:03:42 +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 5C7DB157EE9 for ; Thu, 12 Oct 2023 13:03:42 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 3985A986835 for ; Thu, 12 Oct 2023 13:03:42 +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 25FF798660E; Thu, 12 Oct 2023 13:03:42 +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 153B298660F for ; Thu, 12 Oct 2023 13:03:41 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: _chUCeEsPz6PmxlagMmCLg-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697115817; x=1697720617; h=in-reply-to:content-transfer-encoding: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=OAUA3wejEbzM3z976uWY0z4/78TvETVCG+qCzDcy/YU=; b=T2wdoXiRInIvnLCONG9nKRDPciay0Iqegk5AI1Atl+sAbOUy2QTeNd07DlHl7UhYxO +QwRqT7tLASmmG0sM3nWz+Cici0ZHFA1oItXe3dzVwynnwte1rlKvFxkO7mLKpYJ+bFO byfrNw5xF5nyQxWO3NytquuP/t9G5IDI6vMlhdEbdStqjf0aCILJGKilS20bYEMXEUG8 FlgMoC7yPT/QCmkPVb7gQlk7MNTc9Ts1pthLOvVfn0TdJ1mBLsTargOLEhPe5WPMmGOz UQZNFizeX0TzMAjwZ37yDYQUC3vYdim6WIZe4koE1alPM/0EQkT/XcOhiLWgTnUB1fWJ hg9Q== X-Gm-Message-State: AOJu0Yyn4oUvQpfP9nogjATSNnW1wJu5SjbFb+3JJoJ8AjNj9M2Bd91v IHDqevPDsZSzkQbcOm5fz/1T6c8jQCY+cgqxVWyUlqt3CqLYCVSe+9Yy8ViGKCoShtKbeTUp5yw JkWJwb47JuqbitQc2I1ywRNoreMalnNT4ig== X-Received: by 2002:a17:903:443:b0:1c5:ce3c:c391 with SMTP id iw3-20020a170903044300b001c5ce3cc391mr20377517plb.12.1697115817052; Thu, 12 Oct 2023 06:03:37 -0700 (PDT) X-Google-Smtp-Source: AGHT+IG60sAZmDodYZpTTwMrKsSpHUNnnr4+FC4HMKFjpPjFZinX87mWKDjqo8s6WXMoFZEXxrebCA== X-Received: by 2002:a17:903:443:b0:1c5:ce3c:c391 with SMTP id iw3-20020a170903044300b001c5ce3cc391mr20377476plb.12.1697115816419; Thu, 12 Oct 2023 06:03:36 -0700 (PDT) Date: Thu, 12 Oct 2023 09:03:24 -0400 From: "Michael S. Tsirkin" To: Parav Pandit Cc: "Zhu, Lingshan" , Jason Wang , "virtio-comment@lists.oasis-open.org" , "cohuck@redhat.com" , "sburla@marvell.com" , Shahaf Shuler , Maor Gottlieb , Yishai Hadas Message-ID: <20231012085859-mutt-send-email-mst@kernel.org> References: <2fa89e37-a097-d785-e1ee-cda151b0d872@intel.com> <85c59856-b68e-940c-08ed-a14e5a02554d@intel.com> <6fc4af28-67d9-781b-a243-a6c2ebf0244c@intel.com> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Subject: Re: [virtio-comment] Re: [PATCH v1 3/8] device-context: Define the device context fields for device migration On Thu, Oct 12, 2023 at 11:37:01AM +0000, Parav Pandit wrote: > As Michael said, software based nesting is used.. > See if actual hw based devices can implement it or not. Many components of cpu cannot do N level nesting either, but may be virtio can. > I don’t know how yet. It is worth pondering though. Can you give it some thought? I am thinking of a special bar region (or a couple) through which admin command structure can be exposed, and a special group type that refers to same pci function. -- MST 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. Subscribe: virtio-comment-subscribe@lists.oasis-open.org Unsubscribe: virtio-comment-unsubscribe@lists.oasis-open.org List help: virtio-comment-help@lists.oasis-open.org List archive: https://lists.oasis-open.org/archives/virtio-comment/ Feedback License: https://www.oasis-open.org/who/ipr/feedback_license.pdf List Guidelines: https://www.oasis-open.org/policies-guidelines/mailing-lists Committee: https://www.oasis-open.org/committees/virtio/ Join OASIS: https://www.oasis-open.org/join/