Add vmstate pre_save and post_load interfaces, which can be used by pic kvm driver in future.
Signed-off-by: Bibo Mao <maob...@loongson.cn> --- hw/intc/loongarch_pic_common.c | 26 ++++++++++++++++++++++++++ include/hw/intc/loongarch_pic_common.h | 2 ++ 2 files changed, 28 insertions(+) diff --git a/hw/intc/loongarch_pic_common.c b/hw/intc/loongarch_pic_common.c index 28e9376557..a74b6c7b44 100644 --- a/hw/intc/loongarch_pic_common.c +++ b/hw/intc/loongarch_pic_common.c @@ -10,6 +10,30 @@ #include "hw/qdev-properties.h" #include "migration/vmstate.h" +static int loongarch_pic_pre_save(void *opaque) +{ + LoongArchPICCommonState *s = (LoongArchPICCommonState *)opaque; + LoongArchPICCommonClass *lpcc = LOONGARCH_PIC_COMMON_GET_CLASS(s); + + if (lpcc->pre_save) { + return lpcc->pre_save(s); + } + + return 0; +} + +static int loongarch_pic_post_load(void *opaque, int version_id) +{ + LoongArchPICCommonState *s = (LoongArchPICCommonState *)opaque; + LoongArchPICCommonClass *lpcc = LOONGARCH_PIC_COMMON_GET_CLASS(s); + + if (lpcc->post_load) { + return lpcc->post_load(s, version_id); + } + + return 0; +} + static void loongarch_pic_common_realize(DeviceState *dev, Error **errp) { LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(dev); @@ -29,6 +53,8 @@ static const VMStateDescription vmstate_loongarch_pic_common = { .name = "loongarch_pch_pic", .version_id = 1, .minimum_version_id = 1, + .pre_save = loongarch_pic_pre_save, + .post_load = loongarch_pic_post_load, .fields = (const VMStateField[]) { VMSTATE_UINT64(int_mask, LoongArchPICCommonState), VMSTATE_UINT64(htmsi_en, LoongArchPICCommonState), diff --git a/include/hw/intc/loongarch_pic_common.h b/include/hw/intc/loongarch_pic_common.h index 0a1a28063c..43cce48978 100644 --- a/include/hw/intc/loongarch_pic_common.h +++ b/include/hw/intc/loongarch_pic_common.h @@ -76,5 +76,7 @@ struct LoongArchPICCommonClass { SysBusDeviceClass parent_class; DeviceRealize parent_realize; + int (*pre_save)(LoongArchPICCommonState *s); + int (*post_load)(LoongArchPICCommonState *s, int version_id); }; #endif /* HW_LOONGARCH_PIC_COMMON_H */ -- 2.39.3