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ppc/xive: introduce the XiveNotifier interface

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The XiveNotifier offers a simple interface, between the XiveSource
object and the main interrupt controller of the machine. It will
forward event notifications to the XIVE Interrupt Virtualization
Routing Engine (IVRE).

Signed-off-by: Cédric Le Goater <clg@kaod.org>
[dwg: Adjust type name string for XiveNotifier]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2018-12-06 00:22:17 +01:00 • committed by David Gibson
parent 5fd9ef18a9
commit 5e79b155a8
2 changed files with 48 additions and 0 deletions
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23
include/hw/ppc/xive.h
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@ -142,6 +142,27 @@
#include "hw/qdev-core.h"
/*
* XIVE Fabric (Interface between Source and Router)
*/
typedef struct XiveNotifier {
Object parent;
} XiveNotifier;
#define TYPE_XIVE_NOTIFIER "xive-notifier"
#define XIVE_NOTIFIER(obj) \
OBJECT_CHECK(XiveNotifier, (obj), TYPE_XIVE_NOTIFIER)
#define XIVE_NOTIFIER_CLASS(klass) \
OBJECT_CLASS_CHECK(XiveNotifierClass, (klass), TYPE_XIVE_NOTIFIER)
#define XIVE_NOTIFIER_GET_CLASS(obj) \
OBJECT_GET_CLASS(XiveNotifierClass, (obj), TYPE_XIVE_NOTIFIER)
typedef struct XiveNotifierClass {
InterfaceClass parent;
void (*notify)(XiveNotifier *xn, uint32_t lisn);
} XiveNotifierClass;
/*
* XIVE Interrupt Source
*/
@ -171,6 +192,8 @@ typedef struct XiveSource {
uint64_t esb_flags;
uint32_t esb_shift;
MemoryRegion esb_mmio;
XiveNotifier *xive;
} XiveSource;
/*