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Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communic
From: |
Richard W.M. Jones |
Subject: |
Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication |
Date: |
Wed, 5 Aug 2009 19:32:04 +0100 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Mon, Aug 03, 2009 at 02:57:01PM -0500, Anthony Liguori wrote:
> Richard W.M. Jones wrote:
>> On Mon, Jul 27, 2009 at 06:44:28PM -0500, Anthony Liguori wrote:
>>
>>> It really suggests that you need _one_ vmchannel that's exposed to
>>> userspace with a single userspace daemon that consumes it.
>>>
>>
>> ... or a more flexible API. I don't like having fixed /dev/vmch*
>> devices either.
>>
>
> Have you considered using a usb serial device? Something attractive
> about it is that a productid/vendorid can be specified which means that
> you can use that as a method of enumerating devices.
>
> Hot add/remove is supported automagically.
[ Meant to reply to this two days ago :-( ]
We're using -net channel ^W guestfwd in libguestfs now. Apart from
the problem with using the "new syntax", which I hope to get around
to resolving some day, it performs quite well.
The userspace API is somewhat annoying.
Hot add/remove isn't a concern for us right now, nor is migration.
Since we can throw up new qemu-based appliances in a few seconds.
Rich.
--
Richard Jones, Emerging Technologies, Red Hat http://et.redhat.com/~rjones
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- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, (continued)
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Rusty Russell, 2009/08/25
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Gerd Hoffmann, 2009/08/25
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Anthony Liguori, 2009/08/10
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Rusty Russell, 2009/08/10
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Anthony Liguori, 2009/08/10
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Anthony Liguori, 2009/08/10
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Gerd Hoffmann, 2009/08/10
Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Amit Shah, 2009/08/06
Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication,
Richard W.M. Jones <=
Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Jamie Lokier, 2009/08/05