/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */


/*
 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_UTSSYS_H
#define _SYS_UTSSYS_H

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * Definitions related to the utssys() system call.
 */

/*
 * "commands" of utssys
 */
#define UTS_UNAME       0x0     /* obsolete */
#define UTS_USTAT       0x2     /* 1 was umask */
#define UTS_FUSERS      0x3

/*
 * Flags to UTS_FUSERS
 */
#define F_FILE_ONLY     0x01
#define F_CONTAINED     0x02
#define F_NBMANDLIST    0x04    /* Only NBMAND locks users */
#define F_DEVINFO       0x08    /* get device usage info for a dip instead */
                                /* of a minor node */
#define F_KINFO_COUNT   0x10    /* get the current number of kernel */
                                /* device consumers */

/*
 * structures yielded by UTS_FUSERS
 */
typedef struct f_user {
        int     fu_flags;       /* see below */
        union {
                struct {
                        pid_t   u_pid;
                        uid_t   u_uid;
                } u_info;
                struct {
                        int     k_modid;
                        int     k_instance;
                        int     k_minor;
                } k_info;
        } fu_info;
} f_user_t;

typedef struct fu_data {
        int             fud_user_max;
        int             fud_user_count;
        struct f_user   fud_user[1];
} fu_data_t;

/*
 * defines to simplify access to members of the f_user_t structure
 */
#define fu_pid          fu_info.u_info.u_pid
#define fu_uid          fu_info.u_info.u_uid

#define fu_modid        fu_info.k_info.k_modid
#define fu_instance     fu_info.k_info.k_instance
#define fu_minor        fu_info.k_info.k_minor

#define fu_data_size(x) (sizeof (fu_data_t) - sizeof (f_user_t) + \
                                ((x) * sizeof (f_user_t)))

/*
 * fu_flags values
 */
#define F_CDIR          0x1
#define F_RDIR          0x2
#define F_TEXT          0x4
#define F_MAP           0x8
#define F_OPEN          0x10
#define F_TRACE         0x20
#define F_TTY           0x40
#define F_NBM           0x80    /* NBMAND lock in place */
#define F_KERNEL        0x80000000

#ifdef  __cplusplus
}
#endif

#endif /* _SYS_UTSSYS_H */