netdev - Re: [PATCH V12 5/6] virtio: introduce a mdev based transport

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Message-ID: <a59bf414-aefb-954c-86ea-b970513171bf@redhat.com>
Date:   Mon, 18 Nov 2019 18:56:52 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     kvm@...r.kernel.org, linux-s390@...r.kernel.org,
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Subject: Re: [PATCH V12 5/6] virtio: introduce a mdev based transport


On 2019/11/18 下午6:44, Michael S. Tsirkin wrote:
>> +static const struct mdev_virtio_class_id virtio_id_table[] = {
>> +	{ MDEV_VIRTIO_CLASS_ID_VIRTIO },
>> +	{ 0 },
>> +};
>> +
> Do we still need the class ID? It's a virtio mdev bus,
> do we need a virtio class as well?
>

If we want to have auto match between vhost-mdev driver and vhost-mdev 
device, we need this.

Otherwise, user need to manually probe or bind driver to the device.

Thanks