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/* $NetBSD: quotactl.h,v 1.38 2014/06/28 22:27:50 dholland Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by David A. Holland.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SYS_QUOTACTL_H_
#define _SYS_QUOTACTL_H_
#include <sys/stdint.h>
/*
* Note - this is an internal interface. Application code (and,
* really, anything that isn't libquota or inside the kernel) should
* use the <quota.h> API instead.
*/
/* Size of random quota strings */
#define QUOTA_NAMELEN 32
/*
* Structure for QUOTACTL_STAT.
*/
struct quotastat {
char qs_implname[QUOTA_NAMELEN];
int qs_numidtypes;
int qs_numobjtypes;
unsigned qs_restrictions; /* semantic restriction codes */
};
/*
* Structures for QUOTACTL_IDTYPESTAT and QUOTACTL_OBJTYPESTAT.
*/
struct quotaidtypestat {
char qis_name[QUOTA_NAMELEN];
};
struct quotaobjtypestat {
char qos_name[QUOTA_NAMELEN];
int qos_isbytes;
};
/*
* Semi-opaque structure for cursors. This holds the cursor state in
* userland; the size is exposed only to libquota, not to client code,
* and is meant to be large enough to accommodate all likely future
* expansion without being unduly bloated, as it will need to be
* copied in and out for every call using it.
*/
struct quotakcursor {
union {
char qkc_space[64];
uintmax_t __qkc_forcealign;
} u;
};
/* Command codes. */
#define QUOTACTL_STAT 0
#define QUOTACTL_IDTYPESTAT 1
#define QUOTACTL_OBJTYPESTAT 2
#define QUOTACTL_GET 3
#define QUOTACTL_PUT 4
#define QUOTACTL_DEL 5
#define QUOTACTL_CURSOROPEN 6
#define QUOTACTL_CURSORCLOSE 7
#define QUOTACTL_CURSORSKIPIDTYPE 8
#define QUOTACTL_CURSORGET 9
#define QUOTACTL_CURSORATEND 10
#define QUOTACTL_CURSORREWIND 11
#define QUOTACTL_QUOTAON 12
#define QUOTACTL_QUOTAOFF 13
/* Argument encoding. */
struct quotactl_args {
unsigned qc_op;
union {
struct {
struct quotastat *qc_info;
} stat;
struct {
int qc_idtype;
struct quotaidtypestat *qc_info;
} idtypestat;
struct {
int qc_objtype;
struct quotaobjtypestat *qc_info;
} objtypestat;
struct {
const struct quotakey *qc_key;
struct quotaval *qc_val;
} get;
struct {
const struct quotakey *qc_key;
const struct quotaval *qc_val;
} put;
struct {
const struct quotakey *qc_key;
} del;
struct {
struct quotakcursor *qc_cursor;
} cursoropen;
struct {
struct quotakcursor *qc_cursor;
} cursorclose;
struct {
struct quotakcursor *qc_cursor;
int qc_idtype;
} cursorskipidtype;
struct {
struct quotakcursor *qc_cursor;
struct quotakey *qc_keys;
struct quotaval *qc_vals;
unsigned qc_maxnum;
unsigned *qc_ret;
} cursorget;
struct {
struct quotakcursor *qc_cursor;
int *qc_ret; /* really boolean */
} cursoratend;
struct {
struct quotakcursor *qc_cursor;
} cursorrewind;
struct {
int qc_idtype;
const char *qc_quotafile;
} quotaon;
struct {
int qc_idtype;
} quotaoff;
} u;
};
#if !defined(_KERNEL) && !defined(_STANDALONE)
__BEGIN_DECLS
int __quotactl(const char *, struct quotactl_args *);
__END_DECLS
#endif
#endif /* _SYS_QUOTACTL_H_ */
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