1 /* $NetBSD: filter.h,v 1.1.1.2 2009/12/02 00:26:46 haad Exp $ */ 2 3 /* 4 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved. 5 * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved. 6 * 7 * This file is part of LVM2. 8 * 9 * This copyrighted material is made available to anyone wishing to use, 10 * modify, copy, or redistribute it subject to the terms and conditions 11 * of the GNU Lesser General Public License v.2.1. 12 * 13 * You should have received a copy of the GNU Lesser General Public License 14 * along with this program; if not, write to the Free Software Foundation, 15 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 */ 17 18 #ifndef _LVM_FILTER_H 19 #define _LVM_FILTER_H 20 21 #include "config.h" 22 23 #include <sys/stat.h> 24 25 #ifdef linux 26 # define MAJOR(dev) ((dev & 0xfff00) >> 8) 27 # define MINOR(dev) ((dev & 0xff) | ((dev >> 12) & 0xfff00)) 28 # define MKDEV(ma,mi) ((mi & 0xff) | (ma << 8) | ((mi & ~0xff) << 12)) 29 #else 30 # define MAJOR(x) major((x)) 31 # define MINOR(x) minor((x)) 32 # define MKDEV(x,y) makedev((x),(y)) 33 #endif 34 35 struct dev_filter *lvm_type_filter_create(const char *proc, 36 const struct config_node *cn); 37 38 void lvm_type_filter_destroy(struct dev_filter *f); 39 40 int md_major(void); 41 int blkext_major(void); 42 int max_partitions(int major); 43 44 int dev_subsystem_part_major(const struct device *dev); 45 const char *dev_subsystem_name(const struct device *dev); 46 47 #endif 48