From fa4e13a01ecc316cc43c1f39490330b94c910bc1 Mon Sep 17 00:00:00 2001 From: Thomas Huth Date: Mon, 14 Dec 2020 18:29:49 -0500 Subject: [PATCH 04/14] s390x/s390-virtio-ccw: Reset PCI devices during subsystem reset RH-Author: Thomas Huth Message-id: <20201214182949.35712-2-thuth@redhat.com> Patchwork-id: 100440 O-Subject: [RHEL-8.4.0 qemu-kvm PATCH 1/1] s390x/s390-virtio-ccw: Reset PCI devices during subsystem reset Bugzilla: 1905386 RH-Acked-by: Danilo de Paula RH-Acked-by: David Hildenbrand RH-Acked-by: Cornelia Huck From: Matthew Rosato Currently, a subsystem reset event leaves PCI devices enabled, causing issues post-reset in the guest (an example would be after a kexec). These devices need to be reset during a subsystem reset, allowing them to be properly re-enabled afterwards. Add the S390 PCI host bridge to the list of qdevs to be reset during subsystem reset. Signed-off-by: Matthew Rosato Reviewed-by: Eric Farman Acked-by: Halil Pasic Acked-by: Christian Borntraeger Cc: qemu-stable@nongnu.org Message-Id: <1602767767-32713-1-git-send-email-mjrosato@linux.ibm.com> Signed-off-by: Cornelia Huck (cherry picked from commit db08244a3a7ec312dfed3fd9b88e114281215458) Signed-off-by: Thomas Huth Signed-off-by: Danilo C. L. de Paula --- hw/s390x/s390-virtio-ccw.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 5905d2b7adc..5b3d07f55c4 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -103,6 +103,7 @@ static const char *const reset_dev_types[] = { "s390-sclp-event-facility", "s390-flic", "diag288", + TYPE_S390_PCI_HOST_BRIDGE, }; static void subsystem_reset(void) -- 2.27.0