Module Name: src
Committed By: yamt
Date: Wed Oct 19 10:53:12 UTC 2011
Modified Files:
src/sys/sys: ioccom.h
Log Message:
comment
To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.11 src/sys/sys/ioccom.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/sys/ioccom.h
diff -u src/sys/sys/ioccom.h:1.10 src/sys/sys/ioccom.h:1.11
--- src/sys/sys/ioccom.h:1.10 Tue May 19 21:59:10 2009
+++ src/sys/sys/ioccom.h Wed Oct 19 10:53:12 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: ioccom.h,v 1.10 2009/05/19 21:59:10 christos Exp $ */
+/* $NetBSD: ioccom.h,v 1.11 2011/10/19 10:53:12 yamt Exp $ */
/*-
* Copyright (c) 1982, 1986, 1990, 1993, 1994
@@ -38,6 +38,11 @@
* Ioctl's have the command encoded in the lower word, and the size of
* any in or out parameters in the upper word. The high 3 bits of the
* upper word are used to encode the in/out status of the parameter.
+ *
+ * 31 29 28 16 15 8 7 0
+ * +---------------------------------------------------------------+
+ * | I/O | Parameter Length | Command Group | Command |
+ * +---------------------------------------------------------------+
*/
#define IOCPARM_MASK 0x1fff /* parameter length, at most 13 bits */
#define IOCPARM_SHIFT 16
