RE: [Xen-devel] event channels

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

>From: jaikumar Ganesh
>Sent: 2006年2月27日 8:49
>
>Hi
>  A newbie to xen here..
>
>I want to add a new event that the xen hypervisor will use to
>communicate info to Domain-0. Any pointers as to how I should go about
>doing it.

Normally if the event channel is for communication between domain 
and Xen, it's categorized into VIRQ group. All supported VIRQs are 
listed in xen/include/public/xen.h. Then you need to explicitly register
new added VIRQ to dom0 interrupt sub-system by 
bind_virq_to_irqhandler. Example like drivers/xen/console/console.c. 
If the new VIRQ is meaningful and you'd like to propose it for widely
used, then please send out patch plus description to this mailing
list for discussion.

Thanks,
Kevin

>
>Had a look at the event_channel hypercall and the set_callback
>function, but did not get a clear picture..
>
>Thanks
>Jaikumar
>

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