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ppc/xive: Introduce a XiveFabric interface

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The XiveFabric QOM interface acts as the PowerBUS interface between
the interrupt controller and the system and should be implemented by
the QEMU machine. On HW, the XIVE sub-engine is responsible for the
communication with the other chip is the Common Queue (CQ) bridge
unit.

This interface offers a 'match_nvt' handler to perform the CAM line
matching when looking for a XIVE Presenter with a dispatched NVT.

Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191125065820.927-9-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2019-11-25 07:58:08 +01:00 • committed by David Gibson
parent 119eaa9d11
commit d3eb47a2a1
2 changed files with 32 additions and 0 deletions
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10
hw/intc/xive.c
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@ -1893,8 +1893,18 @@ static const TypeInfo xive_presenter_info = {
.class_size = sizeof(XivePresenterClass),
};
/*
* XIVE Fabric
*/
static const TypeInfo xive_fabric_info = {
.name = TYPE_XIVE_FABRIC,
.parent = TYPE_INTERFACE,
.class_size = sizeof(XiveFabricClass),
};
static void xive_register_types(void)
{
type_register_static(&xive_fabric_info);
type_register_static(&xive_source_info);
type_register_static(&xive_notifier_info);
type_register_static(&xive_presenter_info);