[Qemu-devel] Re: [RFC PATCH 0/8] virtio-console: Move to qdev, multiple devices, generic ports

[Alexander Graf]

On 23.12.2009, at 20:52, Amit Shah wrote:

> Hello,
> 
> This series splits up the patches by functionality. Note, however,
> that patches 2-6 introduce some functionality that's advertised to the
> guest as having to work all at once or not at all. Also, the savevm
> version is bumped only once but save/restore state is added in each of
> the patches. They are split only for easier reviewability.
> 
> There are a few differences from yesterday's posting: comments from
> Markus have been addressed and also some issues that were pending have
> been resolved.
> 
> There's still a couple of fixmes:
> - The vl.c bits aren't right yet (need to accomodate s390).
> - Locking isn't perfect, a few extra locks are needed, but it doesn't
>  matter as long as qemu doesn't run it all separately (I've tested
>  with the kvm tree with -smp 2 as well and it runs fine).
> 
> 
> Amit Shah (8):
>  virtio: Remove duplicate macro definition for max. virtqueues, bump
>    up the max
>  virtio-console: qdev conversion, new virtio-serial-bus
>  virtio-serial-bus: Maintain guest and host port open/close state
>  virtio-serial-bus: Add a port 'name' property for port discovery in
>    guests
>  virtio-serial-bus: Add support for buffering guest output, throttling
>    guests
>  virtio-serial-bus: Add ability to hot-unplug ports
>  virtio-serial: Add 'virtserialport' device for generic serial port
>    support
>  Move virtio-serial and virtio-serial-bus to Makefile.hw


address@hidden:/tmp/qemu> ./s390x-softmmu/qemu-system-s390x -enable-kvm -vnc :0 
-kernel /boot/image
Did not find PCI bus for virtio-serial-pci
Did not find virtio-serial-bus bus for virtconsole
address@hidden:/tmp/qemu> 
address@hidden:/tmp/qemu> ./s390x-softmmu/qemu-system-s390x -enable-kvm -vnc :0 
-kernel /boot/image -virtioconsole stdio
Did not find PCI bus for virtio-serial-pci
Did not find virtio-serial-bus bus for virtconsole
address@hidden:/tmp/qemu> 


Alex