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: Hervé Poussineau <hpoussin@reactos.org> Message-Id: <1474921408-24710-2-git-send-email-hpoussin@reactos.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -17,6 +17,7 @@ common-obj-$(CONFIG_ARM_GIC) += arm_gicv3.o
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common-obj-$(CONFIG_ARM_GIC) += arm_gicv3_dist.o
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common-obj-$(CONFIG_ARM_GIC) += arm_gicv3_dist.o
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common-obj-$(CONFIG_ARM_GIC) += arm_gicv3_redist.o
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common-obj-$(CONFIG_ARM_GIC) += arm_gicv3_redist.o
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common-obj-$(CONFIG_OPENPIC) += openpic.o
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common-obj-$(CONFIG_OPENPIC) += openpic.o
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common-obj-y += intc.o
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obj-$(CONFIG_APIC) += apic.o apic_common.o
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obj-$(CONFIG_APIC) += apic.o apic_common.o
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obj-$(CONFIG_ARM_GIC_KVM) += arm_gic_kvm.o
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obj-$(CONFIG_ARM_GIC_KVM) += arm_gic_kvm.o
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41
hw/intc/intc.c
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41
hw/intc/intc.c
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/*
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* QEMU Generic Interrupt Controller
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*
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* Copyright (c) 2016 Hervé Poussineau
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "hw/intc/intc.h"
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#include "qemu/module.h"
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static const TypeInfo intctrl_info = {
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.name = TYPE_INTERRUPT_STATS_PROVIDER,
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.parent = TYPE_INTERFACE,
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.class_size = sizeof(InterruptStatsProviderClass),
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};
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static void intc_register_types(void)
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{
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type_register_static(&intctrl_info);
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}
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type_init(intc_register_types)
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33
include/hw/intc/intc.h
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33
include/hw/intc/intc.h
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#ifndef INTC_H
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#define INTC_H
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#include "qom/object.h"
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#define TYPE_INTERRUPT_STATS_PROVIDER "intctrl"
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#define INTERRUPT_STATS_PROVIDER_CLASS(klass) \
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OBJECT_CLASS_CHECK(InterruptStatsProviderClass, (klass), \
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TYPE_INTERRUPT_STATS_PROVIDER)
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#define INTERRUPT_STATS_PROVIDER_GET_CLASS(obj) \
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OBJECT_GET_CLASS(InterruptStatsProviderClass, (obj), \
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TYPE_INTERRUPT_STATS_PROVIDER)
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#define INTERRUPT_STATS_PROVIDER(obj) \
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INTERFACE_CHECK(InterruptStatsProvider, (obj), \
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TYPE_INTERRUPT_STATS_PROVIDER)
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typedef struct InterruptStatsProvider {
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Object parent;
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} InterruptStatsProvider;
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typedef struct InterruptStatsProviderClass {
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InterfaceClass parent;
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/* The returned pointer and statistics must remain valid until
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* the BQL is next dropped.
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*/
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bool (*get_statistics)(InterruptStatsProvider *obj, uint64_t **irq_counts,
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unsigned int *nb_irqs);
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void (*print_info)(InterruptStatsProvider *obj, Monitor *mon);
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} InterruptStatsProviderClass;
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#endif
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