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[79.180.48.224]) by smtp.gmail.com with ESMTPSA id n8sm15851215qke.37.2020.03.05.07.42.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Mar 2020 07:42:57 -0800 (PST) Date: Thu, 5 Mar 2020 10:42:51 -0500 From: "Michael S. Tsirkin" To: Joerg Roedel Subject: Re: [PATCH v2 1/3] iommu/virtio: Add topology description to virtio-iommu config space Message-ID: <20200305104002-mutt-send-email-mst@kernel.org> References: <9004f814-2f7c-9024-3465-6f9661b97b7a@redhat.com> <20200303130155.GA13185@8bytes.org> <20200303084753-mutt-send-email-mst@kernel.org> <20200303155318.GA3954@8bytes.org> <20200303105523-mutt-send-email-mst@kernel.org> <20200304133707.GB4177@8bytes.org> <20200304153821.GE646000@myrica> <20200304174045.GC3315@8bytes.org> <20200304133744.00000fdb@intel.com> <20200304215449.GE3315@8bytes.org> MIME-Version: 1.0 In-Reply-To: <20200304215449.GE3315@8bytes.org> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: Jean-Philippe Brucker , kevin.tian@intel.com, "Rothman, Michael A" , linux-pci@vger.kernel.org, jasowang@redhat.com, "Kaneda, Erik" , virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, sebastien.boeuf@intel.com, "Jacob Pan \(Jun\)" , bhelgaas@google.com, robin.murphy@arm.com 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 Wed, Mar 04, 2020 at 10:54:49PM +0100, Joerg Roedel wrote: > On Wed, Mar 04, 2020 at 01:37:44PM -0800, Jacob Pan (Jun) wrote: > > + Mike and Erik who work closely on UEFI and ACPICA. > > > > Copy paste Erik's initial response below on how to get a new table, > > seems to confirm with the process you stated above. > > > > "Fairly easy. You reserve a 4-letter symbol by sending a message > > requesting to reserve the signature to Mike or the ASWG mailing list or > > info@acpi.info > > Great! I think this is going to be the path forward here. > > Regards, > > Joerg I don't, I don't see why we should bother with ACPI. This is a PV device anyway, we can just make it self-describing. The need for extra firmware on some platforms is a bug not a feature. No point in emulating that. > > > > There is also another option. You can have ASWG own this new table so > > that not one entity or company owns the new table." _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 19FE4C3F2D1 for ; Thu, 5 Mar 2020 15:43:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DD0A32073B for ; Thu, 5 Mar 2020 15:43:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="FmcVU6je" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726752AbgCEPnC (ORCPT ); Thu, 5 Mar 2020 10:43:02 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:40106 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725977AbgCEPnC (ORCPT ); Thu, 5 Mar 2020 10:43:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1583422980; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=v5mw+5LGP9RE5YEazC7GDzkU8nm5NgoMOCIQaMpmC7k=; b=FmcVU6jeF7BAiwFEpYuZPoOox9BJcYEP3Nl47aPq0jNme9xeQnyMJwI2AFjz3hdMdLdnm5 vNlsghqJhr9Bz+ByLNN0RCrOKTKB+ybjoh04kYFqXIwyTwv15fQfwVuy32EXZ7hqgl8EUB NuxsBGPr/nLrg8n4tV0wVCDOd4mvZIE= Received: from mail-qv1-f72.google.com (mail-qv1-f72.google.com [209.85.219.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-433-ICDuoy5PMcuzm6FxqGUG3w-1; Thu, 05 Mar 2020 10:42:59 -0500 X-MC-Unique: ICDuoy5PMcuzm6FxqGUG3w-1 Received: by mail-qv1-f72.google.com with SMTP id v3so3195376qve.11 for ; Thu, 05 Mar 2020 07:42:59 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=v5mw+5LGP9RE5YEazC7GDzkU8nm5NgoMOCIQaMpmC7k=; b=KEyRJcYISAuM5VYIqjMarg4QHh9oGBHrZ8B2rsHg3TnUwS7jriutItZdJFykFBjJqw sVZkH6NTGijdYo55LB67Qu8BldlmFyOsBGo1wOncbNMi0EZVb0taS99ZUGjCW9OvU1Pq dxWFThu7KAZWcEKARDY/rhjcp7t88mhKqiX5a/B3vFYCV2UfjGzHRXtZQMo7ZcUKKcjx DQks15Wpa4A4aOnQF/Q+nf472tNf6vTBmRbBwOt1WCMGxeYzLlAMrmkmYvXaIcFB8U01 9cYpQZr1dO2VIF5bD5PTqPUK4jxIJ5L+JtRYQdUmRYM4UImdNdZPAfP77meFyMpgE7rP 2A1Q== X-Gm-Message-State: ANhLgQ2QN9qoD5ZS0WZYBb0GmXHzG4tSl3UhqEqlohYtJzsUPsOfIiFi ve/m62xVzB0J3uY51GaGnt4VnvVrDY1ijAm/L7DyDSC9CZmAljlYq8cL/jn+w0OygZ4vatskI8X m3Gv0GbDha6ID99hK75fV X-Received: by 2002:a05:6214:1404:: with SMTP id n4mr6985874qvx.237.1583422978682; Thu, 05 Mar 2020 07:42:58 -0800 (PST) X-Google-Smtp-Source: ADFU+vupwTlYbbOVLm7I6MzJJZnvoKTQidVVSGtwHtFKHWgU4GKKZRAi3AoaWmSSz3B5Prm1w8y2nQ== X-Received: by 2002:a05:6214:1404:: with SMTP id n4mr6985848qvx.237.1583422978417; Thu, 05 Mar 2020 07:42:58 -0800 (PST) Received: from redhat.com (bzq-79-180-48-224.red.bezeqint.net. [79.180.48.224]) by smtp.gmail.com with ESMTPSA id n8sm15851215qke.37.2020.03.05.07.42.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Mar 2020 07:42:57 -0800 (PST) Date: Thu, 5 Mar 2020 10:42:51 -0500 From: "Michael S. Tsirkin" To: Joerg Roedel Cc: "Jacob Pan (Jun)" , Jean-Philippe Brucker , Auger Eric , iommu@lists.linux-foundation.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, bhelgaas@google.com, jasowang@redhat.com, kevin.tian@intel.com, sebastien.boeuf@intel.com, robin.murphy@arm.com, "Kaneda, Erik" , "Rothman, Michael A" Subject: Re: [PATCH v2 1/3] iommu/virtio: Add topology description to virtio-iommu config space Message-ID: <20200305104002-mutt-send-email-mst@kernel.org> References: <9004f814-2f7c-9024-3465-6f9661b97b7a@redhat.com> <20200303130155.GA13185@8bytes.org> <20200303084753-mutt-send-email-mst@kernel.org> <20200303155318.GA3954@8bytes.org> <20200303105523-mutt-send-email-mst@kernel.org> <20200304133707.GB4177@8bytes.org> <20200304153821.GE646000@myrica> <20200304174045.GC3315@8bytes.org> <20200304133744.00000fdb@intel.com> <20200304215449.GE3315@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200304215449.GE3315@8bytes.org> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Wed, Mar 04, 2020 at 10:54:49PM +0100, Joerg Roedel wrote: > On Wed, Mar 04, 2020 at 01:37:44PM -0800, Jacob Pan (Jun) wrote: > > + Mike and Erik who work closely on UEFI and ACPICA. > > > > Copy paste Erik's initial response below on how to get a new table, > > seems to confirm with the process you stated above. > > > > "Fairly easy. You reserve a 4-letter symbol by sending a message > > requesting to reserve the signature to Mike or the ASWG mailing list or > > info@acpi.info > > Great! I think this is going to be the path forward here. > > Regards, > > Joerg I don't, I don't see why we should bother with ACPI. This is a PV device anyway, we can just make it self-describing. The need for extra firmware on some platforms is a bug not a feature. No point in emulating that. > > > > There is also another option. You can have ASWG own this new table so > > that not one entity or company owns the new table."