diff options
Diffstat (limited to 'hw/s390x')
| -rw-r--r-- | hw/s390x/s390-virtio-ccw.c | 12 | ||||
| -rw-r--r-- | hw/s390x/vhost-vsock-ccw.c | 12 | ||||
| -rw-r--r-- | hw/s390x/virtio-ccw.c | 15 |
3 files changed, 24 insertions, 15 deletions
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 3106bbe..28266a3 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -553,17 +553,6 @@ static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, return NULL; } -static void s390_hot_add_cpu(MachineState *machine, - const int64_t id, Error **errp) -{ - ObjectClass *oc; - - g_assert(machine->possible_cpus->cpus[0].cpu); - oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu)); - - s390x_new_cpu(object_class_get_name(oc), id, errp); -} - static void s390_nmi(NMIState *n, int cpu_index, Error **errp) { CPUState *cs = qemu_get_cpu(cpu_index); @@ -604,7 +593,6 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data) s390mc->hpage_1m_allowed = true; mc->init = ccw_init; mc->reset = s390_machine_reset; - mc->hot_add_cpu = s390_hot_add_cpu; mc->block_default_type = IF_VIRTIO; mc->no_cdrom = 1; mc->no_floppy = 1; diff --git a/hw/s390x/vhost-vsock-ccw.c b/hw/s390x/vhost-vsock-ccw.c index 0822ecc..246416a 100644 --- a/hw/s390x/vhost-vsock-ccw.c +++ b/hw/s390x/vhost-vsock-ccw.c @@ -40,9 +40,21 @@ static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data) static void vhost_vsock_ccw_instance_init(Object *obj) { VHostVSockCCWState *dev = VHOST_VSOCK_CCW(obj); + VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); + VirtIODevice *virtio_dev; virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), TYPE_VHOST_VSOCK); + + virtio_dev = VIRTIO_DEVICE(&dev->vdev); + + /* + * To avoid migration issues, we force virtio version 1 only when + * legacy check is enabled in the new machine types (>= 5.1). + */ + if (!virtio_legacy_check_disabled(virtio_dev)) { + ccw_dev->force_revision_1 = true; + } } static const TypeInfo vhost_vsock_ccw_info = { diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 8d140dc..4582e94 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -1122,9 +1122,18 @@ static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) } if (!virtio_ccw_rev_max(dev) && !virtio_legacy_allowed(vdev)) { - error_setg(errp, "Invalid value of property max_rev " - "(is %d expected >= 1)", virtio_ccw_rev_max(dev)); - return; + /* + * To avoid migration issues, we allow legacy mode when legacy + * check is disabled in the old machine types (< 5.1). + */ + if (virtio_legacy_check_disabled(vdev)) { + warn_report("device requires revision >= 1, but for backward " + "compatibility max_revision=0 is allowed"); + } else { + error_setg(errp, "Invalid value of property max_rev " + "(is %d expected >= 1)", virtio_ccw_rev_max(dev)); + return; + } } if (virtio_get_num_queues(vdev) > VIRTIO_QUEUE_MAX) { |