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ppc/xics: introduce a XICSFabric QOM interface to handle ICSs

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This interface provides two simple handlers. One is to get an ICS
(Interrupt Source Controller) object from an irq number and a second
to resend the irqs when needed.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2017-02-27 15:29:14 +01:00 • committed by David Gibson
parent b9038e7806
commit 51b180051e
2 changed files with 25 additions and 0 deletions
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18
include/hw/ppc/xics.h
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@ -178,6 +178,24 @@ struct ICSIRQState {
uint8_t flags;
};
typedef struct XICSFabric {
Object parent;
} XICSFabric;
#define TYPE_XICS_FABRIC "xics-fabric"
#define XICS_FABRIC(obj) \
OBJECT_CHECK(XICSFabric, (obj), TYPE_XICS_FABRIC)
#define XICS_FABRIC_CLASS(klass) \
OBJECT_CLASS_CHECK(XICSFabricClass, (klass), TYPE_XICS_FABRIC)
#define XICS_FABRIC_GET_CLASS(obj) \
OBJECT_GET_CLASS(XICSFabricClass, (obj), TYPE_XICS_FABRIC)
typedef struct XICSFabricClass {
InterfaceClass parent;
ICSState *(*ics_get)(XICSFabric *xi, int irq);
void (*ics_resend)(XICSFabric *xi);
} XICSFabricClass;
#define XICS_IRQS_SPAPR 1024
qemu_irq xics_get_qirq(XICSState *icp, int irq);