usr/src/uts/common/sys/filio.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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  27 /*        All Rights Reserved   */
  28
  29 /*
  30  * University Copyright- Copyright (c) 1982, 1986, 1988
  31  * The Regents of the University of California
  32  * All Rights Reserved
  33  *
  34  * University Acknowledgment- Portions of this document are derived from
  35  * software developed by the University of California, Berkeley, and its
  36  * contributors.
  37  */
  38
  39 #ifndef _SYS_FILIO_H
  40 #define _SYS_FILIO_H
  41
  42 #pragma ident   "%Z%%M% %I%     %E% SMI"
  43
  44 /*
  45  * General file ioctl definitions.
  46  */
  47
  48 #include <sys/ioccom.h>
  49
  50 #ifdef  __cplusplus
  51 extern "C" {
  52 #endif
  53
  54 #define FIOCLEX         _IO('f', 1)             /* set exclusive use on fd */
  55 #define FIONCLEX        _IO('f', 2)             /* remove exclusive use */
  56 /* another local */
  57 #define FIONREAD        _IOR('f', 127, int)     /* get # bytes to read */
  58 #define FIONBIO         _IOW('f', 126, int)     /* set/clear non-blocking i/o */
  59 #define FIOASYNC        _IOW('f', 125, int)     /* set/clear async i/o */
  60 #define FIOSETOWN       _IOW('f', 124, int)     /* set owner */
  61 #define FIOGETOWN       _IOR('f', 123, int)     /* get owner */
  62
  63 /*
  64  * ioctl's for Online: DiskSuite.
  65  * WARNING - the support for these ioctls may be withdrawn
  66  * in future OS releases.
  67  */
  68 #define _FIOLFS         _IO('f', 64)            /* file system lock */
  69 #define _FIOLFSS        _IO('f', 65)            /* file system lock status */
  70 #define _FIOFFS         _IO('f', 66)            /* file system flush */
  71 #define _FIOAI          _FIOOBSOLETE67          /* get allocation info is */
  72 #define _FIOOBSOLETE67  _IO('f', 67)            /* obsolete and unsupported */
  73 #define _FIOSATIME      _IO('f', 68)            /* set atime */
  74 #define _FIOSDIO        _IO('f', 69)            /* set delayed io */
  75 #define _FIOGDIO        _IO('f', 70)            /* get delayed io */
  76 #define _FIOIO          _IO('f', 71)            /* inode open */
  77 #define _FIOISLOG       _IO('f', 72)            /* disksuite/ufs protocol */
  78 #define _FIOISLOGOK     _IO('f', 73)            /* disksuite/ufs protocol */
  79 #define _FIOLOGRESET    _IO('f', 74)            /* disksuite/ufs protocol */
  80
  81 /*
  82  * Contract-private ioctl()
  83  */
  84 #define _FIOISBUSY      _IO('f', 75)            /* networker/ufs protocol */
  85 #define _FIODIRECTIO    _IO('f', 76)            /* directio */
  86 #define _FIOTUNE        _IO('f', 77)            /* tuning */
  87
  88 /*
  89  * WARNING: These 'f' ioctls are also defined in sys/fs/cachefs_fs.h
  90  * It currently defines 78-86.
  91  */
  92
  93 /*
  94  * Internal Logging UFS
  95  */
  96 #define _FIOLOGENABLE   _IO('f', 87)            /* logging/ufs protocol */
  97 #define _FIOLOGDISABLE  _IO('f', 88)            /* logging/ufs protocol */
  98
  99 /*
 100  * File system snapshot ioctls (see sys/fs/ufs_snap.h)
 101  * (there is another snapshot ioctl, _FIOSNAPSHOTCREATE_MULTI,
 102  * defined farther down in this file.)
 103  */
 104 #define _FIOSNAPSHOTCREATE      _IO('f', 89)    /* create a snapshot */
 105 #define _FIOSNAPSHOTDELETE      _IO('f', 90)    /* delete a snapshot */
 106
 107 /*
 108  * Return the current superblock of size SBSIZE
 109  */
 110 #define _FIOGETSUPERBLOCK       _IO('f', 91)
 111
 112 /*
 113  * Contract private ioctl
 114  */
 115 #define _FIOGETMAXPHYS          _IO('f', 92)
 116
 117 /*
 118  * TSufs support
 119  */
 120 #define _FIO_SET_LUFS_DEBUG     _IO('f', 93) /* set lufs_debug */
 121 #define _FIO_SET_LUFS_ERROR     _IO('f', 94) /* set a lufs error */
 122 #define _FIO_GET_TOP_STATS      _IO('f', 95) /* get lufs tranaction stats */
 123
 124 /*
 125  * create a snapshot with multiple backing files
 126  */
 127 #define _FIOSNAPSHOTCREATE_MULTI        _IO('f', 96)
 128
 129 /*
 130  * handle lseek SEEK_DATA and SEEK_HOLE for holey file knowledge
 131  */
 132 #define _FIO_SEEK_DATA          _IO('f', 97) /* SEEK_DATA */
 133 #define _FIO_SEEK_HOLE          _IO('f', 98) /* SEEK_HOLE */
 134
 135 /*
 136  * boot archive compression
 137  */
 138 #define _FIO_COMPRESSED         _IO('f', 99) /* mark file as compressed */
 139
 140 #ifdef  __cplusplus
 141 }
 142 #endif
 143
 144 #endif  /* _SYS_FILIO_H */