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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 DBCE0CA9ECF for ; Fri, 1 Nov 2019 18:09:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B8001217F9 for ; Fri, 1 Nov 2019 18:09:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727205AbfKASJy (ORCPT ); Fri, 1 Nov 2019 14:09:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51416 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727108AbfKASJy (ORCPT ); Fri, 1 Nov 2019 14:09:54 -0400 Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 38463C00EB16 for ; Fri, 1 Nov 2019 18:09:54 +0000 (UTC) Received: by mail-wr1-f70.google.com with SMTP id b4so5898320wrn.8 for ; Fri, 01 Nov 2019 11:09:54 -0700 (PDT) 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:user-agent; bh=8jUfco7qh0pcrSjrShTOcaIDt+470HVcOI3AOAmvFn8=; b=Akz06xXFA4CwHQ0LZjmPbxr1/85IbIUpMsBPNiCrBUL8uLuzN5fhNRGlQSM2sP9X0v +wB+LXKHZiYjNoIbzttZrs24M+ybl46i0rKnGktavgsXdm+p2GlA2IV7SNjEfm3JGc32 FuWsfRO05NNndVTn8JH11O7eQVNtdyi90uG5MHLhj0ZYR18CXbZdIvgMb8kQOYGuePO1 351hqfwyVdvMqqsBvEnA8WF26vsJ3d9yuEizrgD+z3W9QXivDnAZI5XFLxOQt1lkq7US 8XESzU8GgaRKD2S0A6tIPTQsklRii0Xxtw+gFEx6gNVduiYwCrbKK7OufMKzma3RVYlL FoMA== X-Gm-Message-State: APjAAAVOg8s/iZJ/IJpju7V9eSlUHKseQbJIFbZiU8kteESmn2LoT41J GjrTW9NMbj6fcR9UwmhVLnpW/vMjiM8DtfRQm8fV/cPFrVwC9DiCH0Y8W2+KNRYI66QT2j19lb0 SA5kCGTV12UWX X-Received: by 2002:a5d:5444:: with SMTP id w4mr10145406wrv.164.1572631792983; Fri, 01 Nov 2019 11:09:52 -0700 (PDT) X-Google-Smtp-Source: APXvYqy4NENz4o79PqRKSRVv5SOg7yKO+WfQ2dEggLZBDl7qe74/tZGua7zuZfCFnPpCCMW320O/gQ== X-Received: by 2002:a5d:5444:: with SMTP id w4mr10145398wrv.164.1572631792803; Fri, 01 Nov 2019 11:09:52 -0700 (PDT) Received: from xz-x1.metropole.lan (94.222.26.109.rev.sfr.net. [109.26.222.94]) by smtp.gmail.com with ESMTPSA id p15sm8829146wrs.94.2019.11.01.11.09.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Nov 2019 11:09:51 -0700 (PDT) Date: Fri, 1 Nov 2019 19:09:49 +0100 From: Peter Xu To: Liu Yi L Cc: qemu-devel@nongnu.org, mst@redhat.com, pbonzini@redhat.com, alex.williamson@redhat.com, eric.auger@redhat.com, david@gibson.dropbear.id.au, tianyu.lan@intel.com, kevin.tian@intel.com, jun.j.tian@intel.com, yi.y.sun@intel.com, jacob.jun.pan@linux.intel.com, kvm@vger.kernel.org, Yi Sun Subject: Re: [RFC v2 07/22] hw/pci: introduce pci_device_iommu_context() Message-ID: <20191101180949.GH8888@xz-x1.metropole.lan> References: <1571920483-3382-1-git-send-email-yi.l.liu@intel.com> <1571920483-3382-8-git-send-email-yi.l.liu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1571920483-3382-8-git-send-email-yi.l.liu@intel.com> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Thu, Oct 24, 2019 at 08:34:28AM -0400, Liu Yi L wrote: > This patch adds pci_device_iommu_context() to get an iommu_context > for a given device. A new callback is added in PCIIOMMUOps. Users > who wants to listen to events issued by vIOMMU could use this new > interface to get an iommu_context and register their own notifiers, > then wait for notifications from vIOMMU. e.g. VFIO is the first user > of it to listen to the PASID_ALLOC/PASID_BIND/CACHE_INV events and > propagate the events to host. > > Cc: Kevin Tian > Cc: Jacob Pan > Cc: Peter Xu > Cc: Eric Auger > Cc: Yi Sun > Cc: David Gibson > Signed-off-by: Liu Yi L Reviewed-by: Peter Xu -- Peter Xu