qemu/include/hw/intc/intc.h

#ifndef INTC_H
#define INTC_H

#include "qom/object.h"

#define TYPE_INTERRUPT_STATS_PROVIDER "intctrl"

typedef struct InterruptStatsProviderClass InterruptStatsProviderClass;
DECLARE_CLASS_CHECKERS(InterruptStatsProviderClass, INTERRUPT_STATS_PROVIDER,
                       TYPE_INTERRUPT_STATS_PROVIDER)
#define INTERRUPT_STATS_PROVIDER(obj) \
    INTERFACE_CHECK(InterruptStatsProvider, (obj), \
                    TYPE_INTERRUPT_STATS_PROVIDER)

typedef struct InterruptStatsProvider InterruptStatsProvider;

struct InterruptStatsProviderClass {
    InterfaceClass parent;

    /* The returned pointer and statistics must remain valid until
     * the BQL is next dropped.
     */
    bool (*get_statistics)(InterruptStatsProvider *obj, uint64_t **irq_counts,
                           unsigned int *nb_irqs);
    void (*print_info)(InterruptStatsProvider *obj, GString *buf);
};

#endif