usr/src/uts/common/sys/utssys.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25
  26 /*
  27  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 #ifndef _SYS_UTSSYS_H
  32 #define _SYS_UTSSYS_H
  33
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 /*
  39  * Definitions related to the utssys() system call.
  40  */
  41
  42 /*
  43  * "commands" of utssys
  44  */
  45 #define UTS_UNAME       0x0     /* obsolete */
  46 #define UTS_USTAT       0x2     /* 1 was umask */
  47 #define UTS_FUSERS      0x3
  48
  49 /*
  50  * Flags to UTS_FUSERS
  51  */
  52 #define F_FILE_ONLY     0x01
  53 #define F_CONTAINED     0x02
  54 #define F_NBMANDLIST    0x04    /* Only NBMAND locks users */
  55 #define F_DEVINFO       0x08    /* get device usage info for a dip instead */
  56                                 /* of a minor node */
  57 #define F_KINFO_COUNT   0x10    /* get the current number of kernel */
  58                                 /* device consumers */
  59
  60 /*
  61  * structures yielded by UTS_FUSERS
  62  */
  63 typedef struct f_user {
  64         int     fu_flags;       /* see below */
  65         union {
  66                 struct {
  67                         pid_t   u_pid;
  68                         uid_t   u_uid;
  69                 } u_info;
  70                 struct {
  71                         int     k_modid;
  72                         int     k_instance;
  73                         int     k_minor;
  74                 } k_info;
  75         } fu_info;
  76 } f_user_t;
  77
  78 typedef struct fu_data {
  79         int             fud_user_max;
  80         int             fud_user_count;
  81         struct f_user   fud_user[1];
  82 } fu_data_t;
  83
  84 /*
  85  * defines to simplify access to members of the f_user_t structure
  86  */
  87 #define fu_pid          fu_info.u_info.u_pid
  88 #define fu_uid          fu_info.u_info.u_uid
  89
  90 #define fu_modid        fu_info.k_info.k_modid
  91 #define fu_instance     fu_info.k_info.k_instance
  92 #define fu_minor        fu_info.k_info.k_minor
  93
  94 #define fu_data_size(x) (sizeof (fu_data_t) - sizeof (f_user_t) + \
  95                                 ((x) * sizeof (f_user_t)))
  96
  97 /*
  98  * fu_flags values
  99  */
 100 #define F_CDIR          0x1
 101 #define F_RDIR          0x2
 102 #define F_TEXT          0x4
 103 #define F_MAP           0x8
 104 #define F_OPEN          0x10
 105 #define F_TRACE         0x20
 106 #define F_TTY           0x40
 107 #define F_NBM           0x80    /* NBMAND lock in place */
 108 #define F_KERNEL        0x80000000
 109
 110 #ifdef  __cplusplus
 111 }
 112 #endif
 113
 114 #endif /* _SYS_UTSSYS_H */