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From: Jason Wang <>
To: Tiwei Bie <>
Subject: Re: [RFC] vhost_mdev: add network control vq support
Date: Wed, 30 Oct 2019 15:04:37 +0800	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <20191030061711.GA11968@___>

On 2019/10/30 下午2:17, Tiwei Bie wrote:
> On Tue, Oct 29, 2019 at 06:51:32PM +0800, Jason Wang wrote:
>> On 2019/10/29 下午6:17, Tiwei Bie wrote:
>>> This patch adds the network control vq support in vhost-mdev.
>>> A vhost-mdev specific op is introduced to allow parent drivers
>>> to handle the network control commands come from userspace.
>> Probably work for userspace driver but not kernel driver.
> Exactly. This is only for userspace.
> I got your point now. In virtio-mdev kernel driver case,
> the ctrl-vq can be special as well.

Then maybe it's better to introduce vhost-mdev-net on top?

Looking at the other type of virtio device:

- console have two control virtqueues when multiqueue port is enabled

- SCSI has controlq + eventq

- GPU has controlq

- Crypto device has one controlq

- Socket has eventq



  reply	other threads:[~2019-10-30  7:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-29 10:17 [RFC] vhost_mdev: add network control vq support Tiwei Bie
2019-10-29 10:51 ` Jason Wang
2019-10-30  6:17   ` Tiwei Bie
2019-10-30  7:04     ` Jason Wang [this message]
2019-10-30 11:54       ` Tiwei Bie
2019-10-31  1:44         ` Jason Wang

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