Re: [Xen-devel] any plans to sopport virtio-serial ?

[Vasiliy G Tolstov <v.tolstov@xxxxxxxxx>]

On Tue, 2010-11-23 at 12:19 +0000, Stefano Stabellini wrote:
> On Tue, 23 Nov 2010, Vasiliy G Tolstov wrote:
> > Hello. Does Xen developers have any plans to support qemu virtio-serial
> > or may be some ideas to implement some analog?
> > 
> > If no, can You provide my some tech info, what i need to write this?
> > (xenstore not good for two way communication and have scalability
> > problems, for example like tdb suport transactions..) Xway not
> > supporting, XenSocket use another protocol and need to rewrite programs
> > to support it..
>  
> You can try to make the current virtio-serial backend in Qemu work on
> Xen, that shouldn't be difficult, but it would only work with HVM
> guests.
> 
> Otherwise you can try to use a Xen PV serial for your purposes: multiple
> PV serials don't work out of the box, but I have tested them a little
> while ago and they do work fine.
> You need to hack xl to create multiple PV serials frontend/backend pairs
> (see init_console_info in tools/libxl/xl_cmdimpl.c), then you need these
> two patches in the guest kernel (unfortunately they are not yet
> upstream):
> 
> - hvc_xen: support PV on HVM consoles
> e76b17aae62d13cebd4cc33415b4f0cc72316345
> 
> - hvc_xen: implement multiconsole support
> d6edaed101e089b80257bcbb3141308a97ea489e
> 
> look at this branch:
> 
> git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git 2.6.36-rc6-pvhvm-v8

Many thank's. Does this patches come to 2.6.32 stable?
If i patch stable-2.6.32.x with this patches, can i use them? 
And some more question - if i have already running domain, can i create
second serial console via xenapi ? (not xapi)


-- 
Vasiliy G Tolstov <v.tolstov@xxxxxxxxx>
Selfip.Ru


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel