[src/trunk]: src/sys/sys centralize the tty dialout and callunit macros

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/48800a893df2
branches:  trunk
changeset: 333750:48800a893df2
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Nov 15 19:17:05 2014 +0000

description:
centralize the tty dialout and callunit macros

diffstat:

 sys/sys/tty.h |  8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diffs (22 lines):

diff -r c4968584eeeb -r 48800a893df2 sys/sys/tty.h
--- a/sys/sys/tty.h     Sat Nov 15 19:15:51 2014 +0000
+++ b/sys/sys/tty.h     Sat Nov 15 19:17:05 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tty.h,v 1.92 2014/05/22 16:31:19 dholland Exp $        */
+/*     $NetBSD: tty.h,v 1.93 2014/11/15 19:17:05 christos Exp $        */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -174,6 +174,12 @@
 #define        TTMAXLOWAT      (tp->t_qsize >> 2)
 #define        TTMINLOWAT      (tp->t_qsize >> 5)
 #define        TTROUND         64
+#define        TTDIALOUT_MASK  0x80000         /* dialout=524288 in MAKEDEV.tmpl */
+#define        TTCALLUNIT_MASK 0x40000         /* XXX: compat */
+#define        TTUNIT_MASK     0x3ffff
+#define        TTDIALOUT(d)    (minor(d) & TTDIALOUT_MASK)
+#define        TTCALLUNIT(d)   (minor(d) & TTCALLUNIT_MASK)
+#define        TTUNIT(d)       (minor(d) & TTUNIT_MASK)
 #endif /* _KERNEL */
 
 /* These flags are kept in t_state. */