diff options
Diffstat (limited to 'hw/s390x/virtio-ccw.c')
-rw-r--r-- | hw/s390x/virtio-ccw.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 96789569a7..9f3f386964 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -1261,6 +1261,16 @@ static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) return 0; } +static void virtio_ccw_pre_plugged(DeviceState *d, Error **errp) +{ + VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); + VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); + + if (dev->max_rev >= 1) { + virtio_add_feature(&vdev->host_features, VIRTIO_F_VERSION_1); + } +} + /* This is called by virtio-bus just after the device is plugged. */ static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) { @@ -1270,6 +1280,10 @@ static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) SubchDev *sch = ccw_dev->sch; int n = virtio_get_num_queues(vdev); + if (!virtio_has_feature(vdev->host_features, VIRTIO_F_VERSION_1)) { + dev->max_rev = 0; + } + if (virtio_get_num_queues(vdev) > VIRTIO_CCW_QUEUE_MAX) { error_setg(errp, "The number of virtqueues %d " "exceeds ccw limit %d", n, @@ -1283,25 +1297,11 @@ static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus); - if (dev->max_rev >= 1) { - virtio_add_feature(&vdev->host_features, VIRTIO_F_VERSION_1); - } css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, d->hotplugged, 1); } -static void virtio_ccw_post_plugged(DeviceState *d, Error **errp) -{ - VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); - VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); - - if (!virtio_host_has_feature(vdev, VIRTIO_F_VERSION_1)) { - /* A backend didn't support modern virtio. */ - dev->max_rev = 0; - } -} - static void virtio_ccw_device_unplugged(DeviceState *d) { VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); @@ -1593,8 +1593,8 @@ static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data) k->load_queue = virtio_ccw_load_queue; k->save_config = virtio_ccw_save_config; k->load_config = virtio_ccw_load_config; + k->pre_plugged = virtio_ccw_pre_plugged; k->device_plugged = virtio_ccw_device_plugged; - k->post_plugged = virtio_ccw_post_plugged; k->device_unplugged = virtio_ccw_device_unplugged; k->ioeventfd_started = virtio_ccw_ioeventfd_started; k->ioeventfd_set_started = virtio_ccw_ioeventfd_set_started; |