From patchwork Wed Apr 26 10:06:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liu, Yi L" X-Patchwork-Id: 9701055 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D3FE4603F6 for ; Wed, 26 Apr 2017 10:36:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B65652849F for ; Wed, 26 Apr 2017 10:36:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AB232285EF; Wed, 26 Apr 2017 10:36:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 451212849F for ; Wed, 26 Apr 2017 10:36:59 +0000 (UTC) Received: from localhost ([::1]:54098 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d3KJe-0004oK-DQ for patchwork-qemu-devel@patchwork.kernel.org; Wed, 26 Apr 2017 06:36:58 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50533) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d3K7Q-0002tf-NL for qemu-devel@nongnu.org; Wed, 26 Apr 2017 06:24:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d3K7L-0002U7-P4 for qemu-devel@nongnu.org; Wed, 26 Apr 2017 06:24:20 -0400 Received: from mga11.intel.com ([192.55.52.93]:23414) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d3K7L-0002Tv-Gs for qemu-devel@nongnu.org; Wed, 26 Apr 2017 06:24:15 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Apr 2017 03:24:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.37,254,1488873600"; d="scan'208";a="79066404" Received: from sky-dev.bj.intel.com ([10.238.145.47]) by orsmga002.jf.intel.com with ESMTP; 26 Apr 2017 03:24:11 -0700 From: "Liu, Yi L" To: qemu-devel@nongnu.org, alex.williamson@redhat.com, peterx@redhat.com Date: Wed, 26 Apr 2017 18:06:40 +0800 Message-Id: <1493201210-14357-11-git-send-email-yi.l.liu@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1493201210-14357-1-git-send-email-yi.l.liu@linux.intel.com> References: <1493201210-14357-1-git-send-email-yi.l.liu@linux.intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 Subject: [Qemu-devel] [RFC PATCH 10/20] VFIO: notify vIOMMU emulator when device is assigned X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tianyu.lan@intel.com, "Liu, Yi L" , kevin.tian@intel.com, yi.l.liu@intel.com, ashok.raj@intel.com, kvm@vger.kernel.org, jean-philippe.brucker@arm.com, jasowang@redhat.com, iommu@lists.linux-foundation.org, jacob.jun.pan@intel.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP With vIOMMU exposed to guest, notify vIOMMU emulator to record information of this assigned device. This patch adds iommu_ops->record_device to record the host bus/slot/function for this device. In future, it can be extended to other info which is needed. Signed-off-by: Liu, Yi L --- hw/vfio/pci.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 9e13472..a1e6942 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -2881,6 +2881,10 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) subregion, 0, &n1); + + memory_region_notify_device_record(subregion, + &vdev->host); + } }