RE: [virtio-dev] [PATCH v13] admin: Add group member legacy register access commands

[Parav Pandit <parav@nvidia.com>]

> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Sunday, July 9, 2023 9:47 AM


> > +If within \field{struct virtio_admin_cmd_legacy_notify_info_result}
> > +returned by VIRTIO_ADMIN_CMD_LEGACY_NOTIFY_INFO, the \field{flags}
> > +value for a specific \field{struct virtio_pci_legacy_notify_info}
> > +entry is 0x0, the driver MUST ignore this entry and all the following
> > +\field{entries}. 

Please see above, it appears to me that it covers what you asked for, no?
What is missing?

> The driver MUST additionally validate, for each
> > +entry, that \begin{itemize} \item the \field{flags} is either 0x0,
> > +0x1 or 0x2 \item the \field{bar} corresponds to a valid BAR of either
> > +the owner or the member device, depending on the \field{flags} \item
> > +the \field{offset} is 2-byte aligned and corresponds to an address
> > +within the BAR specified by the \field{bar} on \field{flags}
> > +\end{itemize}, any entry which does not meet these constraints MUST
> > +be ignored by the driver.
> 
> Wait a second.
> - end of list not documented - we want conformance statements
> - for end of list I am guessing other fields do not matter
> - entries after end of list also do not matter?

I reread the above driver conformance statement.
It already indicates what you asked.