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virtio: add and use virtio_set_features

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vdev->guest_features is not masking features that are not supported by
the guest.  Fix this by introducing a common wrapper to be used by all
virtio bus implementations.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Paolo Bonzini 2011-11-24 13:28:52 +01:00 • committed by Anthony Liguori
parent ae0f940e6b
commit ad0c93328d
5 changed files with 23 additions and 20 deletions
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1
hw/virtio.h
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@ -185,6 +185,7 @@ void virtio_queue_set_vector(VirtIODevice *vdev, int n, uint16_t vector);
void virtio_set_status(VirtIODevice *vdev, uint8_t val);
void virtio_reset(void *opaque);
void virtio_update_irq(VirtIODevice *vdev);
int virtio_set_features(VirtIODevice *vdev, uint32_t val);
void virtio_bind_device(VirtIODevice *vdev, const VirtIOBindings *binding,
void *opaque);