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=-3.8 required=3.0 tests=BAYES_00, 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 6A670C48BCF for ; Wed, 9 Jun 2021 12:24:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5467261351 for ; Wed, 9 Jun 2021 12:24:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232347AbhFIM0C (ORCPT ); Wed, 9 Jun 2021 08:26:02 -0400 Received: from 8bytes.org ([81.169.241.247]:43274 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232278AbhFIM0A (ORCPT ); Wed, 9 Jun 2021 08:26:00 -0400 Received: by theia.8bytes.org (Postfix, from userid 1000) id B438636A; Wed, 9 Jun 2021 14:24:04 +0200 (CEST) Date: Wed, 9 Jun 2021 14:24:03 +0200 From: Joerg Roedel To: "Tian, Kevin" Cc: Jason Gunthorpe , "Alex Williamson (alex.williamson@redhat.com)" , Jean-Philippe Brucker , David Gibson , Jason Wang , "parav@mellanox.com" , "Enrico Weigelt, metux IT consult" , Paolo Bonzini , Shenming Lu , Eric Auger , Jonathan Corbet , "Raj, Ashok" , "Liu, Yi L" , "Wu, Hao" , "Jiang, Dave" , Jacob Pan , Kirti Wankhede , Robin Murphy , "kvm@vger.kernel.org" , "iommu@lists.linux-foundation.org" , David Woodhouse , LKML , Lu Baolu Subject: Re: Plan for /dev/ioasid RFC v2 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, Jun 07, 2021 at 02:58:18AM +0000, Tian, Kevin wrote: > - Device-centric (Jason) vs. group-centric (David) uAPI. David is not fully > convinced yet. Based on discussion v2 will continue to have ioasid uAPI > being device-centric (but it's fine for vfio to be group-centric). A new > section will be added to elaborate this part; I would vote for group-centric here. Or do the reasons for which VFIO is group-centric not apply to IOASID? If so, why? Regards, Joerg