Commit 120e512b authored by Hervé Poussineau's avatar Hervé Poussineau Committed by Paolo Bonzini
Browse files

intc: add an interface to gather statistics/informations on interrupt controllers 



This interface will be used by HMP commands 'info irq' and 'info pic'.

Signed-off-by: default avatarHervé Poussineau <hpoussin@reactos.org>
Message-Id: <1474921408-24710-2-git-send-email-hpoussin@reactos.org>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent eabb5782

hw/intc/Makefile.objs

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@@ -17,6 +17,7 @@ common-obj-$(CONFIG_ARM_GIC) += arm_gicv3.o 
common-obj-$(CONFIG_ARM_GIC) += arm_gicv3_dist.o

common-obj-$(CONFIG_ARM_GIC) += arm_gicv3_redist.o

common-obj-$(CONFIG_OPENPIC) += openpic.o

common-obj-y += intc.o



obj-$(CONFIG_APIC) += apic.o apic_common.o

obj-$(CONFIG_ARM_GIC_KVM) += arm_gic_kvm.o

hw/intc/intc.c

0 → 100644
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Original line number Diff line number Diff line 
/*

 * QEMU Generic Interrupt Controller

 *

 * Copyright (c) 2016 Hervé Poussineau

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */



#include "qemu/osdep.h"

#include "hw/intc/intc.h"

#include "qemu/module.h"



static const TypeInfo intctrl_info = {

    .name = TYPE_INTERRUPT_STATS_PROVIDER,

    .parent = TYPE_INTERFACE,

    .class_size = sizeof(InterruptStatsProviderClass),

};



static void intc_register_types(void)

{

    type_register_static(&intctrl_info);

}



type_init(intc_register_types)

include/hw/intc/intc.h

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#ifndef INTC_H

#define INTC_H



#include "qom/object.h"



#define TYPE_INTERRUPT_STATS_PROVIDER "intctrl"



#define INTERRUPT_STATS_PROVIDER_CLASS(klass) \

    OBJECT_CLASS_CHECK(InterruptStatsProviderClass, (klass), \

                       TYPE_INTERRUPT_STATS_PROVIDER)

#define INTERRUPT_STATS_PROVIDER_GET_CLASS(obj) \

    OBJECT_GET_CLASS(InterruptStatsProviderClass, (obj), \

                     TYPE_INTERRUPT_STATS_PROVIDER)

#define INTERRUPT_STATS_PROVIDER(obj) \

    INTERFACE_CHECK(InterruptStatsProvider, (obj), \

                    TYPE_INTERRUPT_STATS_PROVIDER)



typedef struct InterruptStatsProvider {

    Object parent;

} InterruptStatsProvider;



typedef 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, Monitor *mon);

} InterruptStatsProviderClass;



#endif