diff --git a/reactos/include/psdk/winioctl.h b/reactos/include/psdk/winioctl.h
index d304100b538..9a0200fe1ca 100644
--- a/reactos/include/psdk/winioctl.h
+++ b/reactos/include/psdk/winioctl.h
@@ -367,9 +367,14 @@ typedef struct _DISK_PERFORMANCE {
     LARGE_INTEGER BytesWritten;
     LARGE_INTEGER ReadTime;
     LARGE_INTEGER WriteTime;
+    LARGE_INTEGER IdleTime;
     DWORD ReadCount;
     DWORD WriteCount;
     DWORD QueueDepth;
+    DWORD SplitCount;
+    LARGE_INTEGER QueryTime;
+    DWORD   StorageDeviceNumber;
+    WCHAR   StorageManagerName[8];
 } DISK_PERFORMANCE, *PDISK_PERFORMANCE;
 typedef struct _DISK_RECORD {
   LARGE_INTEGER ByteOffset;