From nobody Wed Nov 5 18:37:20 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1535812065688457.02403975463153; Sat, 1 Sep 2018 07:27:45 -0700 (PDT) Received: from localhost ([::1]:37342 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fw6sF-0007UP-Jh for importer@patchew.org; Sat, 01 Sep 2018 10:27:39 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54953) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fw6pu-0005sK-Vd for qemu-devel@nongnu.org; Sat, 01 Sep 2018 10:25:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fw6pD-00065u-Gu for qemu-devel@nongnu.org; Sat, 01 Sep 2018 10:24:32 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:55250 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fw6pC-00063G-Bo; Sat, 01 Sep 2018 10:24:30 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7B67040241E7; Sat, 1 Sep 2018 14:24:28 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-157.ams2.redhat.com [10.36.116.157]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9FE9C2166B41; Sat, 1 Sep 2018 14:24:26 +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: Sat, 1 Sep 2018 16:23:11 +0200 Message-Id: <20180901142312.11662-20-eric.auger@redhat.com> In-Reply-To: <20180901142312.11662-1-eric.auger@redhat.com> References: <20180901142312.11662-1-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Sat, 01 Sep 2018 14:24:28 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Sat, 01 Sep 2018 14:24:28 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'eric.auger@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [RFC 19/20] 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 056f3a887a..040a2f39f8 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -522,6 +522,7 @@ static int vfio_msix_vector_do_use(PCIDevice *pdev, uns= igned int nr, if (vdev->nr_vectors < nr + 1) { vfio_disable_irqindex(&vdev->vbasedev, VFIO_PCI_MSIX_IRQ_INDEX); vdev->nr_vectors =3D nr + 1; + vfio_add_kvm_msi_virq(vdev, vector, nr, true); ret =3D vfio_enable_vectors(vdev, true); if (ret) { error_report("vfio: failed to enable vectors, %d", ret); --=20 2.17.1