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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E108C388F2 for ; Tue, 20 Oct 2020 20:27:19 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 90BF622247 for ; Tue, 20 Oct 2020 20:27:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90BF622247 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 1C9D586E6A; Tue, 20 Oct 2020 20:27:18 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qSX+6q+CkPYb; Tue, 20 Oct 2020 20:27:17 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id 2468186E44; Tue, 20 Oct 2020 20:27:17 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id E478CC0891; Tue, 20 Oct 2020 20:27:16 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 432DAC0052 for ; Tue, 20 Oct 2020 20:27:16 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 2D95A86B0E for ; Tue, 20 Oct 2020 20:27:16 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2dzZLIFQlF37 for ; Tue, 20 Oct 2020 20:27:15 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 5E31186AD8 for ; Tue, 20 Oct 2020 20:27:15 +0000 (UTC) IronPort-SDR: 9dCZ6NgO30P5mlPcPNt6yvsZHUqvH3eK3AjwchyPxLZAo+XpgXmsXK5h8cUvbJxAsU+EdJLFTP NRY+Q4kSV3Aw== X-IronPort-AV: E=McAfee;i="6000,8403,9780"; a="251971395" X-IronPort-AV: E=Sophos;i="5.77,398,1596524400"; d="scan'208";a="251971395" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2020 13:27:14 -0700 IronPort-SDR: RlAQXE97+ZvriQnDGm42vH0j7gGQn/9XUpFWtTdpJXo+QSN51NPbauR/ZNq9CGcJT0B9UISF7s mgNrwzUIQLHQ== X-IronPort-AV: E=Sophos;i="5.77,398,1596524400"; d="scan'208";a="533211399" Received: from otc-nc-03.jf.intel.com (HELO otc-nc-03) ([10.54.39.36]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2020 13:27:14 -0700 Date: Tue, 20 Oct 2020 13:27:13 -0700 From: "Raj, Ashok" To: Jason Gunthorpe Subject: Re: (proposal) RE: [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs Message-ID: <20201020202713.GF86371@otc-nc-03> References: <20201019142526.GJ6219@nvidia.com> <20201020140217.GI6219@nvidia.com> <20201020162430.GA85321@otc-nc-03> <20201020170336.GK6219@nvidia.com> <20201020195146.GA86371@otc-nc-03> <20201020195557.GO6219@nvidia.com> <20201020200844.GC86371@otc-nc-03> <20201020201403.GP6219@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201020201403.GP6219@nvidia.com> User-Agent: Mutt/1.5.24 (2015-08-30) Cc: "Tian, Jun J" , "Tian, Kevin" , Ashok Raj , "kvm@vger.kernel.org" , "jean-philippe@linaro.org" , "stefanha@gmail.com" , Jason Wang , "Michael S. Tsirkin" , "Sun, Yi Y" , "iommu@lists.linux-foundation.org" , "alex.williamson@redhat.com" , "Zhu, Lingshan" , "Wu, Hao" X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Tue, Oct 20, 2020 at 05:14:03PM -0300, Jason Gunthorpe wrote: > On Tue, Oct 20, 2020 at 01:08:44PM -0700, Raj, Ashok wrote: > > On Tue, Oct 20, 2020 at 04:55:57PM -0300, Jason Gunthorpe wrote: > > > On Tue, Oct 20, 2020 at 12:51:46PM -0700, Raj, Ashok wrote: > > > > I think we agreed (or agree to disagree and commit) for device types that > > > > we have for SIOV, VFIO based approach works well without having to re-invent > > > > another way to do the same things. Not looking for a shortcut by any means, > > > > but we need to plan around existing hardware though. Looks like vDPA took > > > > some shortcuts then to not abstract iommu uAPI instead :-)? When all > > > > necessary hardware was available.. This would be a solved puzzle. > > > > > > I think it is the opposite, vIOMMU and related has outgrown VFIO as > > > the "home" and needs to stand alone. > > > > > > Apparently the HW that will need PASID for vDPA is Intel HW, so if > > > > So just to make this clear, I did check internally if there are any plans > > for vDPA + SVM. There are none at the moment. > > Not SVM, SIOV. ... And that included.. I should have said vDPA + PASID, No current plans. I have no idea who set expectations with you. Can you please put me in touch with that person, privately is fine. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu