[RFC PATCH 1/2] powerpc/xive: guest exploitation of the XIVE interrupt controller

David Gibson david at gibson.dropbear.id.au
Mon Jul 3 13:55:52 AEST 2017


On Thu, Jun 22, 2017 at 11:29:16AM +0200, C├ędric Le Goater wrote:
> This is the framework for using XIVE in a PowerVM guest. The support
> is very similar to the native one in a much simpler form.
> 
> Instead of OPAL calls, a set of Hypervisors call are used to configure
> the interrupt sources and the event/notification queues of the guest:
> 
>    H_INT_GET_SOURCE_INFO
>    H_INT_SET_SOURCE_CONFIG
>    H_INT_GET_SOURCE_CONFIG
>    H_INT_GET_QUEUE_INFO
>    H_INT_SET_QUEUE_CONFIG
>    H_INT_GET_QUEUE_CONFIG
>    H_INT_RESET
> 
> Calls that still need to be addressed :
> 
>    H_INT_SET_OS_REPORTING_LINE
>    H_INT_GET_OS_REPORTING_LINE
>    H_INT_ESB
>    H_INT_SYNC

So, does this mean there's a PAPR update with the XIVE virtualization
stuff?  Or at least an ACR?  Can we have that available please...

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson
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