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Subject: Re: [Differential] D7185: Add virtio-console support to bhyve
From: Jakub Klama <jakub.klama@uj.edu.pl>
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To: Paul Vixie <paul@redbarn.org>
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> Wiadomo=C5=9B=C4=87 napisana przez Paul Vixie <paul@redbarn.org> w =
dniu 11.07.2016, o godz. 20:32:
>>> nmdm could theoretically (as pty and pts both do) support
>>> TIOCGWINSZ and SIGWINCH, though? or perhaps bhyve's virtio_console
>>> device could offer pts(4) support?
>>=20
>> Yeah, virtio_console totally deserves support for binding virtual
>> console to a pty/pts.
>=20
> layering wise, adding TIOCGWINSZ and SIGWINCH support to nmdm makes =
more sense than inventing another host-side protocol. as does adding =
pts(4) support to the virtio_console driver. are those things hard?

nmdm(4) emulates a serial port. how could one pass ioctls and signals =
via serial port?

>>> is the protocol spoken over the virtio_console socket documented
>>> online? i'd like to add support to rtty. currently i've been
>>> running the "resize" command at the guest shell, which feels very
>>> primitive.
>>=20
>> Right now the socket just speaks raw data. It would need some
>> multiplexing or ideally an IPC mechanism to send the resize events.
>=20
> yikes. so you've got to reinvent what TIOCPKT does, but differently?

how could one pass ioctls via unix domain socket?

Jakub=