diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/virtio.c | 9 | ||||
| -rw-r--r-- | hw/virtio.h | 2 |
2 files changed, 11 insertions, 0 deletions
diff --git a/hw/virtio.c b/hw/virtio.c index ca170c319e..d8c77b054d 100644 --- a/hw/virtio.c +++ b/hw/virtio.c @@ -701,6 +701,15 @@ VirtQueue *virtio_add_queue(VirtIODevice *vdev, int queue_size, return &vdev->vq[i]; } +void virtio_del_queue(VirtIODevice *vdev, int n) +{ + if (n < 0 || n >= VIRTIO_PCI_QUEUE_MAX) { + abort(); + } + + vdev->vq[n].vring.num = 0; +} + void virtio_irq(VirtQueue *vq) { trace_virtio_irq(vq); diff --git a/hw/virtio.h b/hw/virtio.h index 9cc7b85671..d3da1d25df 100644 --- a/hw/virtio.h +++ b/hw/virtio.h @@ -181,6 +181,8 @@ VirtQueue *virtio_add_queue(VirtIODevice *vdev, int queue_size, void (*handle_output)(VirtIODevice *, VirtQueue *)); +void virtio_del_queue(VirtIODevice *vdev, int n); + void virtqueue_push(VirtQueue *vq, const VirtQueueElement *elem, unsigned int len); void virtqueue_flush(VirtQueue *vq, unsigned int count); |