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virtio_ring: introduce virtqueue_reset()

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Introduce virtqueue_reset() to release all buffer inside vq.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230810123057.43407-10-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Xuan Zhuo
2023-08-10 20:30:54 +08:00
committed by Michael S. Tsirkin
parent ad48d53b5b
commit ba3e0c47c0
2 changed files with 35 additions and 0 deletions
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include/linux/virtio.h
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@@ -99,6 +99,8 @@ dma_addr_t virtqueue_get_used_addr(const struct virtqueue *vq);
int virtqueue_resize(struct virtqueue *vq, u32 num,
void (*recycle)(struct virtqueue *vq, void *buf));
int virtqueue_reset(struct virtqueue *vq,
void (*recycle)(struct virtqueue *vq, void *buf));
/**
* struct virtio_device - representation of a device using virtio