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=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 39D91C433DB for ; Sun, 14 Mar 2021 16:00:20 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 D265064EB6 for ; Sun, 14 Mar 2021 16:00:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D265064EB6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=tqWJpTnxDYEHUV/2HIZTa0sSmfYpOadfp28+AcAYCoY=; b=WFc0ozSUXskj+gBaXXnfDRDUe ijRs9v59RmGGvFEGFswRhYKoubtCZOGLxJOPR4DB9tLpMNYOBuv88vx/ttDNRSHhYYY8z4yU/6/KG 4/7VYcRPe9wxf1q68mXUYaUFsPr0nyh+2zXGCjw/j1ar23s4/UoHORflmnWEKf9HDRSnCa3iT+Bto FhBZmjXMhRxlLG4IKGlnD5QsQfgotWE+kYVNBcFP4IHSkD5BdX8PpqoAWya6CJP6YhkEcGodwOwxl +bj+TQQrIsv3Lq2qX8IzPYPMGjKA33QMO5WHDNj0LaUqH8OulHYAtqNzEY0VGBSFSc+0WXuwbPO9J 2aCivXrpw==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lLT8J-00EJes-1M; Sun, 14 Mar 2021 15:58:23 +0000 Received: from verein.lst.de ([213.95.11.211]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lLT8E-00EJdh-HF for linux-arm-kernel@lists.infradead.org; Sun, 14 Mar 2021 15:58:20 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 7C42968B05; Sun, 14 Mar 2021 16:58:13 +0100 (CET) Date: Sun, 14 Mar 2021 16:58:13 +0100 From: Christoph Hellwig To: Auger Eric Cc: Christoph Hellwig , Joerg Roedel , Will Deacon , Li Yang , freedreno@lists.freedesktop.org, kvm@vger.kernel.org, Michael Ellerman , linuxppc-dev@lists.ozlabs.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, David Woodhouse , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 15/17] iommu: remove DOMAIN_ATTR_NESTING Message-ID: <20210314155813.GA788@lst.de> References: <20210301084257.945454-1-hch@lst.de> <20210301084257.945454-16-hch@lst.de> <3e8f1078-9222-0017-3fa8-4d884dbc848e@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <3e8f1078-9222-0017-3fa8-4d884dbc848e@redhat.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210314_155818_857787_80B82B90 X-CRM114-Status: GOOD ( 13.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Mar 14, 2021 at 11:44:52AM +0100, Auger Eric wrote: > As mentionned by Robin, there are series planning to use > DOMAIN_ATTR_NESTING to get info about the nested caps of the iommu (ARM > and Intel): > > [Patch v8 00/10] vfio: expose virtual Shared Virtual Addressing to VMs > patches 1, 2, 3 > > Is the plan to introduce a new domain_get_nesting_info ops then? The plan as usual would be to add it the series adding that support. Not sure what the merge plans are - if the series is ready to be merged I could rebase on top of it, otherwise that series will need to add the method. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel