LCOM1920-T02G10

/*        $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_ */