1 files changed, 18 insertions, 0 deletions
diff --git a/hw/i2c/smbus_slave.c b/hw/i2c/smbus_slave.c
index 5b3046f6a3..9a2d314d1a 100644
--- a/hw/i2c/smbus_slave.c
+++ b/hw/i2c/smbus_slave.c
@@ -201,6 +201,24 @@ static void smbus_device_class_init(ObjectClass *klass, void *data)
     sc->send = smbus_i2c_send;
 }
 
+bool smbus_vmstate_needed(SMBusDevice *dev)
+{
+    return dev->mode != SMBUS_IDLE;
+}
+
+const VMStateDescription vmstate_smbus_device = {
+    .name = TYPE_SMBUS_DEVICE,
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields      = (VMStateField[]) {
+        VMSTATE_I2C_SLAVE(i2c, SMBusDevice),
+        VMSTATE_INT32(mode, SMBusDevice),
+        VMSTATE_INT32(data_len, SMBusDevice),
+        VMSTATE_UINT8_ARRAY(data_buf, SMBusDevice, SMBUS_DATA_MAX_LEN),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 static const TypeInfo smbus_device_type_info = {
     .name = TYPE_SMBUS_DEVICE,
     .parent = TYPE_I2C_SLAVE,