diff --git a/MdePkg/Include/Protocol/DevicePath.h b/MdePkg/Include/Protocol/DevicePath.h
index fc4c34d923..b2b0eec77e 100644
--- a/MdePkg/Include/Protocol/DevicePath.h
+++ b/MdePkg/Include/Protocol/DevicePath.h
@@ -477,6 +477,11 @@ typedef struct {
   UINT16                          Lun;
 } SATA_DEVICE_PATH;
 
+///
+/// Flag for if the device is directly connected to the HBA.
+///
+#define SATA_HBA_DIRECT_CONNECT_FLAG 0x8000
+
 ///
 /// I2O Device Path SubType
 ///