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-rw-r--r--hw/acpi/piix4.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index df8c0db..8fd25a5 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -302,6 +302,11 @@ static const VMStateDescription vmstate_cpuhp_state = {
}
};
+static bool piix4_vmstate_need_smbus(void *opaque, int version_id)
+{
+ return pm_smbus_vmstate_needed();
+}
+
/* qemu-kvm 1.2 uses version 3 but advertised as 2
* To support incoming qemu-kvm 1.2 migration, change version_id
* and minimum_version_id to 2 below (which breaks migration from
@@ -321,6 +326,8 @@ static const VMStateDescription vmstate_acpi = {
VMSTATE_UINT16(ar.pm1.evt.en, PIIX4PMState),
VMSTATE_UINT16(ar.pm1.cnt.cnt, PIIX4PMState),
VMSTATE_STRUCT(apm, PIIX4PMState, 0, vmstate_apm, APMState),
+ VMSTATE_STRUCT_TEST(smb, PIIX4PMState, piix4_vmstate_need_smbus, 3,
+ pmsmb_vmstate, PMSMBus),
VMSTATE_TIMER_PTR(ar.tmr.timer, PIIX4PMState),
VMSTATE_INT64(ar.tmr.overflow_time, PIIX4PMState),
VMSTATE_STRUCT(ar.gpe, PIIX4PMState, 2, vmstate_gpe, ACPIGPE),