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During device reset or similar situations a VirtQueueElement needs to be freed without pushing it onto the used ring or rewinding the virtqueue. Extract a new function to do this. Later patches add virtio_detach_element() calls to existing device so that scatter-gather lists are unmapped and vq->inuse goes back to zero during device reset. Currently some devices don't bother and simply call g_free(elem) which is not a clean way to throw away a VirtQueueElement. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Acked-by: Greg Kurz <groug@kaod.org> Reviewed-by: Ladi Prosek <lprosek@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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| .. | ||
| vhost-backend.h | ||
| vhost-scsi.h | ||
| vhost-vsock.h | ||
| vhost.h | ||
| virtio-access.h | ||
| virtio-balloon.h | ||
| virtio-blk.h | ||
| virtio-bus.h | ||
| virtio-gpu.h | ||
| virtio-input.h | ||
| virtio-net.h | ||
| virtio-rng.h | ||
| virtio-scsi.h | ||
| virtio-serial.h | ||
| virtio.h | ||