diff options
| author | Xuan Zhuo | 2022-10-17 11:25:45 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin | 2022-11-07 19:12:19 +0100 |
| commit | b3a8d6f431730858162feb2dfcee85d0f3484992 (patch) | |
| tree | 785f52e0a54b2c312066faa3ce2ae983b8916231 /hw/virtio/virtio.c | |
| parent | virtio: introduce __virtio_queue_reset() (diff) | |
| download | qemu-b3a8d6f431730858162feb2dfcee85d0f3484992.tar.gz qemu-b3a8d6f431730858162feb2dfcee85d0f3484992.tar.xz qemu-b3a8d6f431730858162feb2dfcee85d0f3484992.zip | |
virtio: introduce virtio_queue_reset()
Introduce a new interface function virtio_queue_reset() to implement
reset for vq.
Add a new callback to VirtioDeviceClass for queue reset operation for
each child device.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221017092558.111082-3-xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio/virtio.c')
| -rw-r--r-- | hw/virtio/virtio.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 6f42fcadd7..cf5f9ca387 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -2484,6 +2484,17 @@ static void __virtio_queue_reset(VirtIODevice *vdev, uint32_t i) virtio_virtqueue_reset_region_cache(&vdev->vq[i]); } +void virtio_queue_reset(VirtIODevice *vdev, uint32_t queue_index) +{ + VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev); + + if (k->queue_reset) { + k->queue_reset(vdev, queue_index); + } + + __virtio_queue_reset(vdev, queue_index); +} + void virtio_reset(void *opaque) { VirtIODevice *vdev = opaque; |