Patchwork [05/15] virtio-s390: add a reset function to virtio-s390 devices

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Submitter Paolo Bonzini
Date Dec. 17, 2012, 4:24 p.m.
Message ID <1355761490-10073-6-git-send-email-pbonzini@redhat.com>
Download mbox | patch
Permalink /patch/206926/
State New
Headers show

Comments

Paolo Bonzini - Dec. 17, 2012, 4:24 p.m.
virtio-s390 devices are not being reset when their bus is.  To fix
this, add a reset method that forwards to virtio_reset.  This is
only needed because of the "strange" modeling of virtio devices;
the ->vdev link is being handled manually rather than through qdev.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/s390-virtio-bus.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Patch

diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c
index e0ac2d1..34173a7 100644
--- a/hw/s390-virtio-bus.c
+++ b/hw/s390-virtio-bus.c
@@ -492,6 +492,13 @@  static int s390_virtio_busdev_init(DeviceState *dev)
     return _info->init(_dev);
 }
 
+static void s390_virtio_busdev_reset(DeviceState *dev)
+{
+    VirtIOS390Device *_dev = (VirtIOS390Device *)dev;
+
+    virtio_reset(_dev->vdev);
+}
+
 static void virtio_s390_device_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -499,6 +506,7 @@  static void virtio_s390_device_class_init(ObjectClass *klass, void *data)
     dc->init = s390_virtio_busdev_init;
     dc->bus_type = TYPE_S390_VIRTIO_BUS;
     dc->unplug = qdev_simple_unplug_cb;
+    dc->reset = s390_virtio_busdev_reset;
 }
 
 static TypeInfo virtio_s390_device_info = {