[virtio-dev] Re: [PATCH v13 08/10] admin: command list discovery

[Parav Pandit <parav@nvidia.com>]

On 5/5/2023 11:41 AM, Michael S. Tsirkin wrote:
> Add commands to find out which commands does each group support,
> as well as enable their use by driver.
> This will be especially useful once we have multiple group types.
> 
> An alternative is per-type VQs. This is possible but will
> require more per-transport work. Discovery through the vq
> helps keep things contained.
> 
> e.g. lack of support for some command can switch to a legacy mode
> 
> note that commands are expected to be avolved by adding new
> fields to command specific data at the tail, so
> we generally do not need feature bits for compatibility.
> 
> Based-on-patch-by: Max Gurtovoy <mgurtovoy@nvidia.com>
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
> Reviewed-by: Zhu Lingshan <lingshan.zhu@intel.com>
> 
Reviewed-by: Parav Pandit <parav@nvidia.com>

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