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      1 /*	$NetBSD: quota.h,v 1.30 2012/08/26 02:32:14 dholland Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1982, 1986, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Robert Elz at The University of Melbourne.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  *
     34  *	@(#)quota.h	8.3 (Berkeley) 8/19/94
     35  */
     36 
     37 #ifndef	_UFS_UFS_QUOTA_H_
     38 #define	_UFS_UFS_QUOTA_H_
     39 
     40 /*
     41  * These definitions are common to the original disk quota implementation
     42  * (quota1) and the newer implementation (quota2)
     43  */
     44 
     45 /*
     46  * The following constants define the usage of the quota file array in the
     47  * ufsmount structure and dquot array in the inode structure.  The semantics
     48  * of the elements of these arrays are defined in the routine getinoquota;
     49  * the remainder of the quota code treats them generically and need not be
     50  * inspected when changing the size of the array.
     51  */
     52 #define	MAXQUOTAS	2
     53 #define	USRQUOTA	0	/* element used for user quotas */
     54 #define	GRPQUOTA	1	/* element used for group quotas */
     55 
     56 /*
     57  * Initializer for the strings corresponding to the quota ID types.
     58  * (in quota1 these are also the default names of the quota files)
     59  */
     60 #define INITQFNAMES { \
     61 	"user",		/* USRQUOTA */ \
     62 	"group",	/* GRPQUOTA */ \
     63 }
     64 
     65 #if !defined(HAVE_NBTOOL_CONFIG_H)
     66 #include <sys/quota.h>
     67 __inline static int __unused
     68 quota_idtype_to_ufs(int idtype)
     69 {
     70 	switch (idtype) {
     71 	case QUOTA_IDTYPE_USER:
     72 		return USRQUOTA;
     73 	case QUOTA_IDTYPE_GROUP:
     74 		return GRPQUOTA;
     75 	default:
     76 		return -1;
     77 	}
     78 }
     79 
     80 static __inline int __unused
     81 quota_idtype_from_ufs(int ufstype)
     82 {
     83 	switch (ufstype) {
     84 	case USRQUOTA:
     85 		return QUOTA_IDTYPE_USER;
     86 	case GRPQUOTA:
     87 		return QUOTA_IDTYPE_GROUP;
     88 	default:
     89 		return -1;
     90 	}
     91 }
     92 #endif /* !defined(HAVE_NBTOOL_CONFIG_H) */
     93 
     94 #ifdef _KERNEL
     95 
     96 #include <sys/cdefs.h>
     97 
     98 __BEGIN_DECLS
     99 void	dqinit(void);
    100 void	dqreinit(void);
    101 void	dqdone(void);
    102 __END_DECLS
    103 #endif /* _KERNEL */
    104 
    105 #endif /* !_UFS_UFS_QUOTA_H_ */
    106