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virtio_ring: packed: introduce vring_free_packed

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Free the structure struct vring_vritqueue_packed.

Subsequent patches require it.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-18-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Xuan Zhuo 2022-08-01 14:38:37 +08:00 committed by Michael S. Tsirkin
parent 6fea20e561
commit 6356f8bb01
1 changed files with 22 additions and 0 deletions
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22
drivers/virtio/virtio_ring.c
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@ -1832,6 +1832,28 @@ static struct vring_desc_extra *vring_alloc_desc_extra(unsigned int num)
return desc_extra;
}
static void vring_free_packed(struct vring_virtqueue_packed *vring_packed,
struct virtio_device *vdev)
{
if (vring_packed->vring.desc)
vring_free_queue(vdev, vring_packed->ring_size_in_bytes,
vring_packed->vring.desc,
vring_packed->ring_dma_addr);
if (vring_packed->vring.driver)
vring_free_queue(vdev, vring_packed->event_size_in_bytes,
vring_packed->vring.driver,
vring_packed->driver_event_dma_addr);
if (vring_packed->vring.device)
vring_free_queue(vdev, vring_packed->event_size_in_bytes,
vring_packed->vring.device,
vring_packed->device_event_dma_addr);
kfree(vring_packed->desc_state);
kfree(vring_packed->desc_extra);
}
static struct virtqueue *vring_create_virtqueue_packed(
unsigned int index,
unsigned int num,