2 files changed, 38 insertions, 2 deletions
diff --git a/include/hw/intc/loongson_ipi.h b/include/hw/intc/loongson_ipi.h
index efb772f384..9c9030761e 100644
--- a/include/hw/intc/loongson_ipi.h
+++ b/include/hw/intc/loongson_ipi.h
@@ -8,6 +8,8 @@
 #ifndef HW_LOONGSON_IPI_H
 #define HW_LOONGSON_IPI_H
 
+#include "qom/object.h"
+#include "hw/intc/loongson_ipi_common.h"
 #include "hw/sysbus.h"
 
 /* Mainy used by iocsr read and write */
@@ -31,7 +33,7 @@
 #define IPI_MBX_NUM           4
 
 #define TYPE_LOONGSON_IPI "loongson_ipi"
-OBJECT_DECLARE_SIMPLE_TYPE(LoongsonIPIState, LOONGSON_IPI)
+OBJECT_DECLARE_TYPE(LoongsonIPIState, LoongsonIPIClass, LOONGSON_IPI)
 
 typedef struct IPICore {
     LoongsonIPIState *ipi;
@@ -45,8 +47,16 @@ typedef struct IPICore {
     qemu_irq irq;
 } IPICore;
 
+struct LoongsonIPIClass {
+    LoongsonIPICommonClass parent_class;
+
+    DeviceRealize parent_realize;
+    DeviceUnrealize parent_unrealize;
+};
+
 struct LoongsonIPIState {
-    SysBusDevice parent_obj;
+    LoongsonIPICommonState parent_obj;
+
     MemoryRegion ipi_iocsr_mem;
     MemoryRegion ipi64_iocsr_mem;
     uint32_t num_cpu;
diff --git a/include/hw/intc/loongson_ipi_common.h b/include/hw/intc/loongson_ipi_common.h
new file mode 100644
index 0000000000..70ac69d0ba
--- /dev/null
+++ b/include/hw/intc/loongson_ipi_common.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Loongson ipi interrupt header files
+ *
+ * Copyright (C) 2021 Loongson Technology Corporation Limited
+ */
+
+#ifndef HW_LOONGSON_IPI_COMMON_H
+#define HW_LOONGSON_IPI_COMMON_H
+
+#include "qom/object.h"
+#include "hw/sysbus.h"
+
+#define TYPE_LOONGSON_IPI_COMMON "loongson_ipi_common"
+OBJECT_DECLARE_TYPE(LoongsonIPICommonState,
+                    LoongsonIPICommonClass, LOONGSON_IPI_COMMON)
+
+struct LoongsonIPICommonState {
+    SysBusDevice parent_obj;
+};
+
+struct LoongsonIPICommonClass {
+    SysBusDeviceClass parent_class;
+};
+
+#endif