From ff09444a88af9f5d55b9e315aa16d3ace1f25211 Mon Sep 17 00:00:00 2001 From: Bibo Mao Date: Fri, 8 Nov 2024 15:42:05 +0800 Subject: [PATCH] hw/intc/loongarch_extioi: Add pre_save interface Add vmstate pre_save interface, which can be used extioi kvm driver in future. Signed-off-by: Bibo Mao Reviewed-by: Song Gao --- hw/intc/loongarch_extioi_common.c | 13 +++++++++++++ include/hw/intc/loongarch_extioi_common.h | 1 + 2 files changed, 14 insertions(+) diff --git a/hw/intc/loongarch_extioi_common.c b/hw/intc/loongarch_extioi_common.c index 428d105f78..e50431f124 100644 --- a/hw/intc/loongarch_extioi_common.c +++ b/hw/intc/loongarch_extioi_common.c @@ -20,6 +20,18 @@ static void loongarch_extioi_common_realize(DeviceState *dev, Error **errp) } } +static int loongarch_extioi_common_pre_save(void *opaque) +{ + LoongArchExtIOICommonState *s = (LoongArchExtIOICommonState *)opaque; + LoongArchExtIOICommonClass *lecc = LOONGARCH_EXTIOI_COMMON_GET_CLASS(s); + + if (lecc->pre_save) { + return lecc->pre_save(s); + } + + return 0; +} + static int loongarch_extioi_common_post_load(void *opaque, int version_id) { LoongArchExtIOICommonState *s = (LoongArchExtIOICommonState *)opaque; @@ -46,6 +58,7 @@ static const VMStateDescription vmstate_loongarch_extioi = { .name = "loongarch.extioi", .version_id = 3, .minimum_version_id = 3, + .pre_save = loongarch_extioi_common_pre_save, .post_load = loongarch_extioi_common_post_load, .fields = (const VMStateField[]) { VMSTATE_UINT32_ARRAY(bounce, LoongArchExtIOICommonState, diff --git a/include/hw/intc/loongarch_extioi_common.h b/include/hw/intc/loongarch_extioi_common.h index d45caa45f2..f6bc778a85 100644 --- a/include/hw/intc/loongarch_extioi_common.h +++ b/include/hw/intc/loongarch_extioi_common.h @@ -92,6 +92,7 @@ struct LoongArchExtIOICommonClass { SysBusDeviceClass parent_class; DeviceRealize parent_realize; + int (*pre_save)(void *s); int (*post_load)(void *s, int version_id); }; #endif /* LOONGARCH_EXTIOI_H */ -- 2.30.2