Re: [Qemu-devel] [PATCH 3/4] cryptodev-vhost-user: add crypto session handler

[Paolo Bonzini]

On 28/11/2017 11:43, Gonglei (Arei) wrote:
>> As far as I understand, VIRTIO_CRYPTO_CIPHER_CREATE_SESSION is called as
>> a result of sending a message on the control virtqueue.
>
> VIRTIO_CRYPTO_CIPHER_CREATE_SESSION is a message type of control queue,
> Means creating a session for next crypto requests.

Ok, so the message does have the same meaning as the control queue
message.  Thanks for confirming.

>> Why can't vhost-user also process create/destroy session messages on the
>> control virtqueue, instead of having device-specific messages in the
>> protocol?
>
> You mean we can share control virtqueue to DPDK as well? Like data queues?

I don't know :) but why not?

Thanks,

Paolo