From patchwork Fri Sep 21 08:18:13 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 972958 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42GnT53Ms5z9sC7 for ; Fri, 21 Sep 2018 18:54:01 +1000 (AEST) Received: from localhost ([::1]:54571 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g3HCJ-0003FT-0k for incoming@patchwork.ozlabs.org; Fri, 21 Sep 2018 04:53:59 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48447) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g3Ggm-0005du-2P for qemu-devel@nongnu.org; Fri, 21 Sep 2018 04:21:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g3Ggl-000789-At for qemu-devel@nongnu.org; Fri, 21 Sep 2018 04:21:24 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38722) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1g3Ggi-0006vF-Tg; Fri, 21 Sep 2018 04:21:21 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 27CDD3084049; Fri, 21 Sep 2018 08:21:17 +0000 (UTC) Received: from laptop.redhat.com (ovpn-117-87.ams2.redhat.com [10.36.117.87]) by smtp.corp.redhat.com (Postfix) with ESMTP id CF69B7D665; Fri, 21 Sep 2018 08:21:14 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org Date: Fri, 21 Sep 2018 10:18:13 +0200 Message-Id: <20180921081819.9203-23-eric.auger@redhat.com> In-Reply-To: <20180921081819.9203-1-eric.auger@redhat.com> References: <20180921081819.9203-1-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.40]); Fri, 21 Sep 2018 08:21:17 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC v2 22/28] vfio/pci: Always set up MSI route before enabling vectors 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: yi.l.liu@intel.com, cdall@kernel.org, mst@redhat.com, jean-philippe.brucker@arm.com, peterx@redhat.com, alex.williamson@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" As we enable the vectors, we shall have an MSI route setup. The notification of the stage 1 binding is done on MSI route setup. Signed-off-by: Eric Auger --- hw/vfio/pci.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 866f0deeb7..842b0921d4 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -522,6 +522,7 @@ static int vfio_msix_vector_do_use(PCIDevice *pdev, unsigned int nr, if (vdev->nr_vectors < nr + 1) { vfio_disable_irqindex(&vdev->vbasedev, VFIO_PCI_MSIX_IRQ_INDEX); vdev->nr_vectors = nr + 1; + vfio_add_kvm_msi_virq(vdev, vector, nr, true); ret = vfio_enable_vectors(vdev, true); if (ret) { error_report("vfio: failed to enable vectors, %d", ret);