* Srivatsa Vaddagiri <> [2021-08-18 11:43:05]:
> * Jason Wang <> [2021-08-18 14:04:04]:
>
> > > Fine let me take a stab at the next version which will have this:
> > >
> > > * Introduce a status bit for device to indicate "reset in progress". This could
> > > be adopted by other transports also (for ex PCI).
> >
> > I may miss something discussion but any reason that the current
> > VIRTIO_MMIO_STATUS is not sufficient?
>
> I think Mike suggested we specify what device would return while reset is in
> progress, rather than any arbitrary non-zero value:
>
> https://lists.oasis-open.org/archives/virtio-dev/202108/msg00070.html
>
> > > * For v3 MMIO devices, driver, after initiating reset, should wait until
> > > status = 0 or device indicates "failure". What the driver does when it sees
> > > failure can be implementation defined (it can give up or try reset few more
> > > times)
> >
> > Yes, but let's wait a little bit to see if it is agreed by others.
>
> Sure.
Does anyone disagree with above approach to go with MMIO version change to
handle the reset issue? I can send the next version based on it and addressing
various comments received so far.
> Mike,
> Do you suggest we add this as well for v3 device?
>
> "after writing 0 to Status and before reading any fields, the driver
> MUST read Status and wait for a read to return 0 or indicate failure"
- vatsa
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