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authorXuan Zhuo <xuanzhuo@linux.alibaba.com>2022-10-17 17:25:45 +0800
committerMichael S. Tsirkin <mst@redhat.com>2022-11-07 13:12:19 -0500
commitb3a8d6f431730858162feb2dfcee85d0f3484992 (patch)
tree785f52e0a54b2c312066faa3ce2ae983b8916231 /include
parent3b43302c71854b263a4653b708699ce074082158 (diff)
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 'include')
-rw-r--r--include/hw/virtio/virtio.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index f41b4a7e64..74d76c1dbc 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -148,6 +148,7 @@ struct VirtioDeviceClass {
void (*set_config)(VirtIODevice *vdev, const uint8_t *config);
void (*reset)(VirtIODevice *vdev);
void (*set_status)(VirtIODevice *vdev, uint8_t val);
+ void (*queue_reset)(VirtIODevice *vdev, uint32_t queue_index);
/* For transitional devices, this is a bitmap of features
* that are only exposed on the legacy interface but not
* the modern one.
@@ -286,6 +287,7 @@ int virtio_queue_set_host_notifier_mr(VirtIODevice *vdev, int n,
MemoryRegion *mr, bool assign);
int virtio_set_status(VirtIODevice *vdev, uint8_t val);
void virtio_reset(void *opaque);
+void virtio_queue_reset(VirtIODevice *vdev, uint32_t queue_index);
void virtio_update_irq(VirtIODevice *vdev);
int virtio_set_features(VirtIODevice *vdev, uint64_t val);