X-Git-Url: https://git.reactos.org/?p=reactos.git;a=blobdiff_plain;f=reactos%2Finclude%2Fddk%2Fiodef.h;h=4d0b4e967d4847bdda8eba315b6e351524f0ac6f;hp=4d199cd27a83f1502b5f1b0fa0dafe9ef1ab4e96;hb=f2064b3f8b3b6799c22e809c2be3022c34eefea3;hpb=a079c4b3476aaf19d0a96eaa6d7c093c35974896

diff --git a/reactos/include/ddk/iodef.h b/reactos/include/ddk/iodef.h
index 4d199cd27a8..4d0b4e967d4 100644
--- a/reactos/include/ddk/iodef.h
+++ b/reactos/include/ddk/iodef.h
@@ -248,6 +248,14 @@ enum
 
 #define IRP_MJ_SCSI  IRP_MJ_INTERNAL_DEVICE_CONTROL
 
+/*
+ * Minor function numbers for IRP_MJ_LOCK_CONTROL
+ */
+#define IRP_MN_LOCK                     0x01
+#define IRP_MN_UNLOCK_SINGLE            0x02
+#define IRP_MN_UNLOCK_ALL               0x03
+#define IRP_MN_UNLOCK_ALL_BY_KEY        0x04
+
 /*
  * Minor function numbers for IRP_MJ_FILE_SYSTEM_CONTROL
  */