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intc/lm32_pic: implement InterruptStatsProvider interface

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We have to change the vmstate version due to changes in statistics counters.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Message-Id: <1474921408-24710-5-git-send-email-hpoussin@reactos.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Hervé Poussineau 2016-09-26 22:23:26 +02:00 committed by Paolo Bonzini
parent 148fbe9504
commit 7c468ec54c
1 changed files with 28 additions and 4 deletions
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32
hw/intc/lm32_pic.c
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@ -25,6 +25,7 @@
#include "hw/sysbus.h"
#include "trace.h"
#include "hw/lm32/lm32_pic.h"
#include "hw/intc/intc.h"
#define TYPE_LM32_PIC "lm32-pic"
#define LM32_PIC(obj) OBJECT_CHECK(LM32PicState, (obj), TYPE_LM32_PIC)
@ -38,7 +39,7 @@ struct LM32PicState {
uint32_t irq_state;
/* statistics */
uint32_t stats_irq_count[32];
uint64_t stats_irq_count[32];
};
typedef struct LM32PicState LM32PicState;
@ -152,6 +153,22 @@ static void pic_reset(DeviceState *d)
}
}
static bool lm32_get_statistics(InterruptStatsProvider *obj,
uint64_t **irq_counts, unsigned int *nb_irqs)
{
LM32PicState *s = LM32_PIC(obj);
*irq_counts = s->stats_irq_count;
*nb_irqs = ARRAY_SIZE(s->stats_irq_count);
return true;
}
static void lm32_print_info(InterruptStatsProvider *obj, Monitor *mon)
{
LM32PicState *s = LM32_PIC(obj);
monitor_printf(mon, "lm32-pic: im=%08x ip=%08x irq_state=%08x\n",
s->im, s->ip, s->irq_state);
}
static void lm32_pic_init(Object *obj)
{
DeviceState *dev = DEVICE(obj);
@ -166,13 +183,13 @@ static void lm32_pic_init(Object *obj)
static const VMStateDescription vmstate_lm32_pic = {
.name = "lm32-pic",
.version_id = 1,
.minimum_version_id = 1,
.version_id = 2,
.minimum_version_id = 2,
.fields = (VMStateField[]) {
VMSTATE_UINT32(im, LM32PicState),
VMSTATE_UINT32(ip, LM32PicState),
VMSTATE_UINT32(irq_state, LM32PicState),
VMSTATE_UINT32_ARRAY(stats_irq_count, LM32PicState, 32),
VMSTATE_UINT64_ARRAY(stats_irq_count, LM32PicState, 32),
VMSTATE_END_OF_LIST()
}
};
@ -180,9 +197,12 @@ static const VMStateDescription vmstate_lm32_pic = {
static void lm32_pic_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
InterruptStatsProviderClass *ic = INTERRUPT_STATS_PROVIDER_CLASS(klass);
dc->reset = pic_reset;
dc->vmsd = &vmstate_lm32_pic;
ic->get_statistics = lm32_get_statistics;
ic->print_info = lm32_print_info;
}
static const TypeInfo lm32_pic_info = {
@ -191,6 +211,10 @@ static const TypeInfo lm32_pic_info = {
.instance_size = sizeof(LM32PicState),
.instance_init = lm32_pic_init,
.class_init = lm32_pic_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_INTERRUPT_STATS_PROVIDER },
{ }
},
};
static void lm32_pic_register_types(void)