[virtio-comment] Re: [PATCH] content: Replace guest OS with driver

["Michael S. Tsirkin" <mst@redhat.com>]

On Tue, May 16, 2023 at 07:50:48PM +0000, Parav Pandit wrote:
> 
> > From: Michael S. Tsirkin <mst@redhat.com>
> > Sent: Tuesday, May 16, 2023 6:05 AM
> 
> > 
> > SO I propose:
> > 
> > \item[ACKNOWLEDGE (1)] Indicates that a transport driver has found the
> >     device and recognized it as a valid virtio device transport.
> > 
> > \item[DRIVER (2)] Indicates that a device type specific driver was found
> >     and will attempt to attach to the device.
> > 
> Above bisection is a implementation specific example of Linux (though valid and widely used one).
> 
> The UEFI virtio driver doesn't even have such two drivers.
> In some OS variant drivers are merged to single kernel binary.

which one?

> Does driver only matter with device_driver structure or module binary?...

Can't parse your question.

> Driver is largely the software entity that drives the device.
> I think we can keep the spec simple enough to not mix these details and just call it a "driver".

Not just linux there are lots of drivers like this.  the two bits pass
useful information the way you changed it this distinction is lots.
I agree it is worth thinking what exactly does it mean.
Since you researched it - what exactly do drivers
such as uefi and the unnamed "some OS variant" do exactly?
when do they set ACKNOWLEDGE and when DRIVER?




> > 
> > BTW somewhat related, I would maybe fix
> > device-types/mem/description.tex:change
> > not to say "device driver", just "driver" for brevity.
> > 
> Ok. will fix.


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