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Diffstat (limited to 'hw/intc/loongarch_ipi.c')
-rw-r--r--hw/intc/loongarch_ipi.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/hw/intc/loongarch_ipi.c b/hw/intc/loongarch_ipi.c
index 74372a2..fc8005c 100644
--- a/hw/intc/loongarch_ipi.c
+++ b/hw/intc/loongarch_ipi.c
@@ -11,6 +11,7 @@
#include "qapi/error.h"
#include "hw/intc/loongarch_ipi.h"
#include "hw/qdev-properties.h"
+#include "system/kvm.h"
#include "target/loongarch/cpu.h"
static AddressSpace *get_iocsr_as(CPUState *cpu)
@@ -91,6 +92,10 @@ static void loongarch_ipi_realize(DeviceState *dev, Error **errp)
lics->cpu[i].ipi = lics;
qdev_init_gpio_out(dev, &lics->cpu[i].irq, 1);
}
+
+ if (kvm_irqchip_in_kernel()) {
+ kvm_ipi_realize(dev, errp);
+ }
}
static void loongarch_ipi_reset_hold(Object *obj, ResetType type)
@@ -117,6 +122,10 @@ static void loongarch_ipi_reset_hold(Object *obj, ResetType type)
core->clear = 0;
memset(core->buf, 0, sizeof(core->buf));
}
+
+ if (kvm_irqchip_in_kernel()) {
+ kvm_ipi_put(obj, 0);
+ }
}
static void loongarch_ipi_cpu_plug(HotplugHandler *hotplug_dev,
@@ -166,6 +175,24 @@ static void loongarch_ipi_cpu_unplug(HotplugHandler *hotplug_dev,
core->cpu = NULL;
}
+static int loongarch_ipi_pre_save(void *opaque)
+{
+ if (kvm_irqchip_in_kernel()) {
+ return kvm_ipi_get(opaque);
+ }
+
+ return 0;
+}
+
+static int loongarch_ipi_post_load(void *opaque, int version_id)
+{
+ if (kvm_irqchip_in_kernel()) {
+ return kvm_ipi_put(opaque, version_id);
+ }
+
+ return 0;
+}
+
static void loongarch_ipi_class_init(ObjectClass *klass, const void *data)
{
LoongsonIPICommonClass *licc = LOONGSON_IPI_COMMON_CLASS(klass);
@@ -182,6 +209,8 @@ static void loongarch_ipi_class_init(ObjectClass *klass, const void *data)
licc->cpu_by_arch_id = loongarch_cpu_by_arch_id;
hc->plug = loongarch_ipi_cpu_plug;
hc->unplug = loongarch_ipi_cpu_unplug;
+ licc->pre_save = loongarch_ipi_pre_save;
+ licc->post_load = loongarch_ipi_post_load;
}
static const TypeInfo loongarch_ipi_types[] = {