external/gpl2/lvm2/dist/libdm/misc/kdev_t.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
   5  *
   6  * This file is part of LVM2.
   7  *
   8  * This copyrighted material is made available to anyone wishing to use,
   9  * modify, copy, or redistribute it subject to the terms and conditions
  10  * of the GNU Lesser General Public License v.2.1.
  11  *
  12  * You should have received a copy of the GNU Lesser General Public License
  13  * along with this program; if not, write to the Free Software Foundation,
  14  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  15  */
  16
  17 #ifndef _LIBDM_KDEV_H
  18 #define _LIBDM_KDEV_H
  19
  20 #define MAJOR(dev)      ((dev & 0xfff00) >> 8)
  21 #define MINOR(dev)      ((dev & 0xff) | ((dev >> 12) & 0xfff00))
  22 #define MKDEV(ma,mi)    ((mi & 0xff) | (ma << 8) | ((mi & ~0xff) << 12))
  23
  24 #endif