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 81026C6377D for ; Thu, 22 Jul 2021 13:35:00 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 2577860FF2 for ; Thu, 22 Jul 2021 13:35:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2577860FF2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id DBA584014A; Thu, 22 Jul 2021 13:34:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YEiU2RGX_rFt; Thu, 22 Jul 2021 13:34:59 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTPS id BC0AA400F4; Thu, 22 Jul 2021 13:34:58 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 93185C0010; Thu, 22 Jul 2021 13:34:58 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id F1B40C000E for ; Thu, 22 Jul 2021 13:34:56 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id CA6ED605A5 for ; Thu, 22 Jul 2021 13:34:56 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mmXzpESoir57 for ; Thu, 22 Jul 2021 13:34:56 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by smtp3.osuosl.org (Postfix) with ESMTPS id DEBEE605B5 for ; Thu, 22 Jul 2021 13:34:55 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id C2E9867373; Thu, 22 Jul 2021 15:34:50 +0200 (CEST) Date: Thu, 22 Jul 2021 15:34:50 +0200 From: Christoph Hellwig To: "Tian, Kevin" Subject: Re: [PATCH 3/6] vfio: remove the unused mdev iommu hook Message-ID: <20210722133450.GA29155@lst.de> References: <20210514121925.GI1096940@ziepe.ca> <20210514133143.GK1096940@ziepe.ca> <20210517123010.GO1096940@ziepe.ca> <20210517133500.GP1096940@ziepe.ca> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: "kvm@vger.kernel.org" , Will Deacon , Kirti Wankhede , "iommu@lists.linux-foundation.org" , Jason Gunthorpe , Alex Williamson , Robin Murphy , David Woodhouse , Christoph Hellwig , "linux-arm-kernel@lists.infradead.org" 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, Jun 30, 2021 at 09:08:19AM +0000, Tian, Kevin wrote: > The iommu layer should maintain above attaching status per device and per > iommu domain. There is no mdev/subdev concept in the iommu layer. It's > just about RID or PASID. Yes, I think that makes sense. > And a new set of IOMMU-API: > > - iommu_{un}bind_pgtable(domain, dev, addr); > - iommu_{un}bind_pgtable_pasid(domain, dev, addr, pasid); > - iommu_cache_invalidate(domain, dev, invalid_info); What caches is this supposed to "invalidate"? _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu