Re: [PATCH] virtio_console: Add support for multiple ports for genericguest and host communication

[Anthony Liguori]

Gerd Hoffmann wrote:
> > Userspace can detect when new virtio-consoles appear via udev events.
> > When it sees a new ttyVN, it can then look in sysfs to discover it's 
> > name.
>
> No.  udev can create symlinks for you, so apps don't have to dig into 
> sysfs.  You'll need a rule along the lines (untested):
>
>    SUBSYSTEM=="virtio", \
>    DRIVERS="virtio-console", \
>    SYMLINK+="vcon/$attr{name}"
>
> then udev will create a /dev/vcon/org.qemu.clipboard symlink pointing 
> to dev/ttyV0.  Apps can just open /dev/vcon/$name then.

That works equally well.  I don't necessarily think that naming is more 
useful.

Regards,

Anthony Liguori
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