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authorCorey Minyard <cminyard@mvista.com>2016-12-22 12:28:23 -0600
committerCorey Minyard <cminyard@mvista.com>2019-02-27 21:06:08 -0600
commit4ab2f2a8aabfea95cc53c64e13b3f67960b27fdf (patch)
treecdffe992b01919724c9320bed2c3646e60d2b540 /hw/acpi
parent8e995f34031d66666b45b779458cb370e86cfe2d (diff)
i2c:pm_smbus: Fix state transfer
Transfer the state information for the SMBus registers and internal data so it will work on a VM transfer. Signed-off-by: Corey Minyard <cminyard@mvista.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'hw/acpi')
-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 df8c0db909..8fd25a5926 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),