Re: what's the best way for a DomU module send control message to Dom0 via control interface?

[Anthony Liguori <aliguori@us.ibm.com>]

On Wed, 2005-01-19 at 14:17, Xin Zhao wrote:
> Unfortunately, yes. I am running Xend. Is there any way to bypass xend and
> handle requests myself? I really don't want to spend time in digging into
> the xend codes. :(

Not at the moment unless you do all the management yourself.  This is
what the discussion of multiplexing the control channel is about.  xsc
in xen-unstable is the start of a framework to let you do that.

Regards,

> Thanks,
> xin
> 
> On Wed, 19 Jan 2005, Anthony Liguori wrote:
> 
> > On Wed, 2005-01-19 at 13:53, Xin Zhao wrote:
> > > One way seems to be ctrl_if_send_message_block like functions. I did
> > > register a receiver in a Dom0 kernel module, then use
> > > ctrl_if_send_message_block() to send msg to Dom0 module, if the Dom0
> > > module gets the msg, it should print out some information. Unfortunately,
> > > after DomU module sent out msg, nothing happened. The msg seems to be lost
> > > by Dom0, why?
> >
> > Are you running Xend?  Xend will catch any unknown requests and drop
> > them.
-- 
Anthony Liguori
Linux Technology Center (LTC) - IBM Austin
E-mail: aliguori@us.ibm.com
Phone: (512) 838-1208




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