From nobody Thu May 15 09:50:57 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1527687819745452.4098595080509; Wed, 30 May 2018 06:43:39 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 65DC7CC07D; Wed, 30 May 2018 13:43:38 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0C751608EE; Wed, 30 May 2018 13:43:38 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 8F6571800C9D; Wed, 30 May 2018 13:43:37 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w4UDhEt6006622 for ; Wed, 30 May 2018 09:43:14 -0400 Received: by smtp.corp.redhat.com (Postfix) id B023310EE6C3; Wed, 30 May 2018 13:43:14 +0000 (UTC) Received: from beluga.usersys.redhat.com (unknown [10.43.2.166]) by smtp.corp.redhat.com (Postfix) with ESMTP id 36DD410EE6C1; Wed, 30 May 2018 13:43:14 +0000 (UTC) From: Erik Skultety To: libvir-list@redhat.com Date: Wed, 30 May 2018 15:43:00 +0200 Message-Id: <6ff3fada35de6debeb134de947ec5ca2ffa6541b.1527685754.git.eskultet@redhat.com> In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-loop: libvir-list@redhat.com Cc: Erik Skultety Subject: [libvirt] [RFC PATCH 6/7] qemu: domain: Set default vfio-pci display value depending on capability X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Wed, 30 May 2018 13:43:38 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" If QEMU supports vfio-pci.display option, we default to 'off' as we're not trying to guess what a user's intentions with the mdev are. Perform this decision as part of driver-specific post parse callback. Signed-off-by: Erik Skultety --- src/qemu/qemu_domain.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index 27088d4456..b9f152022b 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -5887,6 +5887,35 @@ qemuDomainVsockDefPostParse(virDomainVsockDefPtr vso= ck) } =20 =20 +static int +qemuDomainHostdevDefMdevPostParse(virDomainHostdevSubsysMediatedDevPtr mde= vsrc, + virQEMUCapsPtr qemuCaps) +{ + /* QEMU 2.12 added support for vfio-pci display type, we default to + * 'display=3Doff' to stay safe from future changes */ + if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VFIO_PCI_DISPLAY) && + mdevsrc->display =3D=3D VIR_TRISTATE_SWITCH_ABSENT) + mdevsrc->display =3D VIR_TRISTATE_SWITCH_OFF; + + return 0; +} + + +static int +qemuDomainHostdevDefPostParse(virDomainHostdevDefPtr hostdev, + virQEMUCapsPtr qemuCaps) +{ + virDomainHostdevSubsysPtr subsys =3D &hostdev->source.subsys; + + if (hostdev->mode =3D=3D VIR_DOMAIN_HOSTDEV_MODE_SUBSYS && + hostdev->source.subsys.type =3D=3D VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_= MDEV && + qemuDomainHostdevDefMdevPostParse(&subsys->u.mdev, qemuCaps) < 0) + return -1; + + return 0; +} + + static int qemuDomainDeviceDefPostParse(virDomainDeviceDefPtr dev, const virDomainDef *def, @@ -5942,6 +5971,9 @@ qemuDomainDeviceDefPostParse(virDomainDeviceDefPtr de= v, case VIR_DOMAIN_DEVICE_INPUT: case VIR_DOMAIN_DEVICE_SOUND: case VIR_DOMAIN_DEVICE_HOSTDEV: + ret =3D qemuDomainHostdevDefPostParse(dev->data.hostdev, qemuCaps); + break; + case VIR_DOMAIN_DEVICE_WATCHDOG: case VIR_DOMAIN_DEVICE_GRAPHICS: case VIR_DOMAIN_DEVICE_HUB: --=20 2.14.3 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list