Re: [Xen-users] Request to fix a Xen related Issue

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2016-02-05 at 20:45 +1100, PREETI MISHRA wrote:
> Hi,
> I am Preeti study in National Institute of technology, Jaipur,
> India.ÂIÂwould like to Âdiscuss some Xen related issue. Kindly help:
> 
> I have a patch in Xen which stores some information of VM process. I have
> another program running in Dom0 which intercept this information.
> 
> i) I want to configure my patch running in Xen to send the alert
> notification to program running in Dom0 to read data, probably using
> event channels. How to configure event channel?
> ii) Which API or command will be used to read the data from patch buffer.

You should investigate how one of the existing components which
communicates between Xen and a dom0 process achieves this. "xentrace" is
one which springs to my mind, as does "vm event" and the QEMU DM ioreq
ring.

Ian.

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