diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 7a55b9ca8e..0ad0ed1603 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -40,6 +40,7 @@
 #include "hw/usb.h"
 #include "net/net.h"
 #include "hw/ide/pci.h"
+#include "hw/ide/piix.h"
 #include "hw/irq.h"
 #include "sysemu/kvm.h"
 #include "hw/kvm/clock.h"
@@ -259,7 +260,7 @@ static void pc_init1(MachineState *machine,
     if (pcmc->pci_enabled) {
         PCIDevice *dev;
 
-        dev = pci_create_simple(pci_bus, piix3_devfn + 1, "piix3-ide");
+        dev = pci_create_simple(pci_bus, piix3_devfn + 1, TYPE_PIIX3_IDE);
         pci_ide_create_devs(dev);
         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
diff --git a/hw/ide/piix.c b/hw/ide/piix.c
index de1f4f0efb..267dbf37db 100644
--- a/hw/ide/piix.c
+++ b/hw/ide/piix.c
@@ -36,6 +36,7 @@
 #include "sysemu/blockdev.h"
 #include "sysemu/dma.h"
 
+#include "hw/ide/piix.h"
 #include "hw/ide/pci.h"
 #include "trace.h"
 
@@ -202,7 +203,7 @@ static void piix3_ide_class_init(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo piix3_ide_info = {
-    .name          = "piix3-ide",
+    .name          = TYPE_PIIX3_IDE,
     .parent        = TYPE_PCI_IDE,
     .class_init    = piix3_ide_class_init,
 };
@@ -224,7 +225,7 @@ static void piix4_ide_class_init(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo piix4_ide_info = {
-    .name          = "piix4-ide",
+    .name          = TYPE_PIIX4_IDE,
     .parent        = TYPE_PCI_IDE,
     .class_init    = piix4_ide_class_init,
 };
diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c
index c88d3bf3bf..e05e65d3bc 100644
--- a/hw/isa/piix4.c
+++ b/hw/isa/piix4.c
@@ -28,6 +28,7 @@
 #include "hw/irq.h"
 #include "hw/southbridge/piix.h"
 #include "hw/pci/pci.h"
+#include "hw/ide/piix.h"
 #include "hw/isa/isa.h"
 #include "hw/intc/i8259.h"
 #include "hw/dma/i8257.h"
@@ -277,7 +278,7 @@ static void piix4_init(Object *obj)
     PIIX4State *s = PIIX4_PCI_DEVICE(obj);
 
     object_initialize_child(obj, "rtc", &s->rtc, TYPE_MC146818_RTC);
-    object_initialize_child(obj, "ide", &s->ide, "piix4-ide");
+    object_initialize_child(obj, "ide", &s->ide, TYPE_PIIX4_IDE);
     object_initialize_child(obj, "uhci", &s->uhci, "piix4-usb-uhci");
 
     object_initialize_child(obj, "pm", &s->pm, TYPE_PIIX4_PM);
diff --git a/include/hw/ide/piix.h b/include/hw/ide/piix.h
new file mode 100644
index 0000000000..ef3ef3d62d
--- /dev/null
+++ b/include/hw/ide/piix.h
@@ -0,0 +1,7 @@
+#ifndef HW_IDE_PIIX_H
+#define HW_IDE_PIIX_H
+
+#define TYPE_PIIX3_IDE "piix3-ide"
+#define TYPE_PIIX4_IDE "piix4-ide"
+
+#endif /* HW_IDE_PIIX_H */