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Subject: Re: [virtio-dev] [PATCH v5 01/10] vhost-user: add vhost-user device type


On Mon, Jul 27, 2020 at 09:59:36PM +0300, Nikos Dragazis wrote:
> On 27/7/20 3:25 Î.Î., Stefan Hajnoczi wrote:
> 
> > On Fri, Jul 24, 2020 at 08:31:48PM +0300, Nikos Dragazis wrote:
> > > On 24/7/20 5:41 Î.Î., Michael S. Tsirkin wrote:
> > > > On Fri, Jul 17, 2020 at 10:26:35AM +0100, Stefan Hajnoczi wrote:
> > > > So how about XXX notifications for both of these things?
> > > > Where XXX explains what is the reason for triggering each
> > > > type of notification.
> > > I guess Stefan introduced the term "doorbell" because it is a widely
> > > used term (e.g., in NVMe devices) and I think it is a pretty good
> > > term. However, I agree that the vague term "notification" may cause
> > > confusion.
> > > 
> > > Replacing "doorbells" and "notifications" with "XXX notifications"
> > > sounds good. I can't think of some good terms for XXX right now.
> > > Feel free to propose.
> > Device-specific notifications and device-specific doorbells?

Um. What does this mean exactly?
Really I am guessing you are notifying about some kind of event.
So let's call it according to this event then.

> > 
> > I think these concepts should be part of the core VIRTIO device model so
> > that other devices can also define device-specific
> > notifications/doorbells in the future.
> > 
> > Stefan
> 
> I think that Michael is OK with standardizing these resources, but he is
> not really happy with the term "doorbell".
> 
> From the one hand, using the term "XXX notification" would be more
> consistent with the virtio spec, since virtio already uses the term
> "notification" for driver-to-device signaling regarding the virtqueues.
> 
> On the other hand, I can't find something for XXX that would sound
> better than "doorbell".
> 
> But let's see what Michael has to say.
> 
> Nikos

"doorbells" is generally like available buffer notifications that we
have in virtio. I am still not sure what does it mean in this context.

-- 
MST



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