diff options
Diffstat (limited to 'hw/intc/loongarch_ipi.c')
| -rw-r--r-- | hw/intc/loongarch_ipi.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/hw/intc/loongarch_ipi.c b/hw/intc/loongarch_ipi.c index 74372a2039..fc8005c944 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[] = { |