diff --git a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/idebus.h b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/idebus.h
index 87c8304fae..9dbf632392 100644
--- a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/idebus.h
+++ b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/idebus.h
@@ -53,6 +53,11 @@
 #define ATA_DEVICE_TYPE     0x00
 #define ATAPI_DEVICE_TYPE   0x01
 
+#define EFI_IOB_ATA_BUS_SMART_ENABLE          (EFI_SUBCLASS_SPECIFIC | 0x00000000)
+#define EFI_IOB_ATA_BUS_SMART_DISABLE         (EFI_SUBCLASS_SPECIFIC | 0x00000001)
+#define EFI_IOB_ATA_BUS_SMART_OVERTHRESHOLD   (EFI_SUBCLASS_SPECIFIC | 0x00000002)
+#define EFI_IOB_ATA_BUS_SMART_UNDERTHRESHOLD  (EFI_SUBCLASS_SPECIFIC | 0x00000003)
+
 typedef struct {
   BOOLEAN HaveScannedDevice[MAX_IDE_DEVICE];
   BOOLEAN DeviceFound[MAX_IDE_DEVICE];