Re: [PATCH V2 1/6] virtio: introduce virtqueue state

["Zhu, Lingshan" <lingshan.zhu@intel.com>]

On 11/3/2023 7:35 PM, Parav Pandit wrote:

> > From: Zhu Lingshan <lingshan.zhu@intel.com>
> > Sent: Friday, November 3, 2023 4:05 PM
> >
> > This patch adds new virtqueue facility to save and restore virtqueue state. The
> > virtqueue state is split into two parts:
> >
> > - The available state: The state that is used for read the next
> >   available buffer.
> > - The used state: The state that is used for make buffer used.
> >
> > This will simply the transport specific method implementation. E.g two
> > le16 could be used instead of a single le32). For split virtqueue, we only need
> > the available state since the used state is implemented in the virtqueue itself
> > (the used index). 
> >       
> Sorry, this does not work.
> Refer to my latest series at [2] that covers used ring elements too.
> Commit change log covered the reasoning.
>
> [2] https://lists.oasis-open.org/archives/virtio-comment/202310/msg00472.html
>     
    this patch is to migrate device internal
      virtqueue state, not in-guest or in descriptor states, right?
      
      Can you name any missing fields?