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virtio: add set_status callback

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vhost net backend needs to be notified when
frontend status changes. Add a callback,
similar to set_features.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Michael S. Tsirkin 2010-03-17 13:08:05 +02:00 • committed by Anthony Liguori
parent 1cbdabe203
commit 3e607cb503
4 changed files with 14 additions and 4 deletions
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2
hw/s390-virtio-bus.c
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@ -242,7 +242,7 @@ void s390_virtio_device_update_status(VirtIOS390Device *dev)
VirtIODevice *vdev = dev->vdev;
uint32_t features;
vdev->status = ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS);
virtio_set_status(vdev, ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS));
/* Update guest supported feature bitmap */