include/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  * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
  25  */
  26
  27 /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  28 /*        All Rights Reserved   */
  29
  30 /*
  31  * University Copyright- Copyright (c) 1982, 1986, 1988
  32  * The Regents of the University of California
  33  * All Rights Reserved
  34  *
  35  * University Acknowledgment- Portions of this document are derived from
  36  * software developed by the University of California, Berkeley, and its
  37  * contributors.
  38  */
  39
  40 /*
  41  * Copyright (c) 2013 by Delphix. All rights reserved.
  42  */
  43
  44 #ifndef _SYS_FILIO_H
  45 #define _SYS_FILIO_H
  46
  47 /*
  48  * General file ioctl definitions.
  49  */
  50
  51 #include <sys/ioccom.h>
  52
  53 #ifdef  __cplusplus
  54 extern "C" {
  55 #endif
  56
  57 #define FIOCLEX         _IO('f', 1)             /* set exclusive use on fd */
  58 #define FIONCLEX        _IO('f', 2)             /* remove exclusive use */
  59 /* another local */
  60 #define FIONREAD        _IOR('f', 127, int)     /* get # bytes to read */
  61 #define FIONBIO         _IOW('f', 126, int)     /* set/clear non-blocking i/o */
  62 #define FIOASYNC        _IOW('f', 125, int)     /* set/clear async i/o */
  63 #define FIOSETOWN       _IOW('f', 124, int)     /* set owner */
  64 #define FIOGETOWN       _IOR('f', 123, int)     /* get owner */
  65
  66 /*
  67  * ioctl's for Online: DiskSuite.
  68  * WARNING - the support for these ioctls may be withdrawn
  69  * in future OS releases.
  70  */
  71 #define _FIOLFS         _IO('f', 64)            /* file system lock */
  72 #define _FIOLFSS        _IO('f', 65)            /* file system lock status */
  73 #define _FIOFFS         _IO('f', 66)            /* file system flush */
  74 #define _FIOAI          _FIOOBSOLETE67          /* get allocation info is */
  75 #define _FIOOBSOLETE67  _IO('f', 67)            /* obsolete and unsupported */
  76 #define _FIOSATIME      _IO('f', 68)            /* set atime */
  77 #define _FIOSDIO        _IO('f', 69)            /* set delayed io */
  78 #define _FIOGDIO        _IO('f', 70)            /* get delayed io */
  79 #define _FIOIO          _IO('f', 71)            /* inode open */
  80 #define _FIOISLOG       _IO('f', 72)            /* disksuite/ufs protocol */
  81 #define _FIOISLOGOK     _IO('f', 73)            /* disksuite/ufs protocol */
  82 #define _FIOLOGRESET    _IO('f', 74)            /* disksuite/ufs protocol */
  83
  84 /*
  85  * Contract-private ioctl()
  86  */
  87 #define _FIOISBUSY      _IO('f', 75)            /* networker/ufs protocol */
  88 #define _FIODIRECTIO    _IO('f', 76)            /* directio */
  89 #define _FIOTUNE        _IO('f', 77)            /* tuning */
  90
  91 /*
  92  * Internal Logging UFS
  93  */
  94 #define _FIOLOGENABLE   _IO('f', 87)            /* logging/ufs protocol */
  95 #define _FIOLOGDISABLE  _IO('f', 88)            /* logging/ufs protocol */
  96
  97 /*
  98  * File system snapshot ioctls (see sys/fs/ufs_snap.h)
  99  * (there is another snapshot ioctl, _FIOSNAPSHOTCREATE_MULTI,
 100  * defined farther down in this file.)
 101  */
 102 #define _FIOSNAPSHOTCREATE      _IO('f', 89)    /* create a snapshot */
 103 #define _FIOSNAPSHOTDELETE      _IO('f', 90)    /* delete a snapshot */
 104
 105 /*
 106  * Return the current superblock of size SBSIZE
 107  */
 108 #define _FIOGETSUPERBLOCK       _IO('f', 91)
 109
 110 /*
 111  * Contract private ioctl
 112  */
 113 #define _FIOGETMAXPHYS          _IO('f', 92)
 114
 115 /*
 116  * TSufs support
 117  */
 118 #define _FIO_SET_LUFS_DEBUG     _IO('f', 93) /* set lufs_debug */
 119 #define _FIO_SET_LUFS_ERROR     _IO('f', 94) /* set a lufs error */
 120 #define _FIO_GET_TOP_STATS      _IO('f', 95) /* get lufs tranaction stats */
 121
 122 /*
 123  * create a snapshot with multiple backing files
 124  */
 125 #define _FIOSNAPSHOTCREATE_MULTI        _IO('f', 96)
 126
 127 /*
 128  * handle lseek SEEK_DATA and SEEK_HOLE for holey file knowledge
 129  */
 130 #define _FIO_SEEK_DATA          _IO('f', 97) /* SEEK_DATA */
 131 #define _FIO_SEEK_HOLE          _IO('f', 98) /* SEEK_HOLE */
 132
 133 /*
 134  * boot archive compression
 135  */
 136 #define _FIO_COMPRESSED         _IO('f', 99) /* mark file as compressed */
 137
 138 /*
 139  * Expose fill information through ioctl
 140  */
 141 #define _FIO_COUNT_FILLED       _IO('f', 100)   /* count holes in a file */
 142
 143 #ifdef  __cplusplus
 144 }
 145 #endif
 146
 147 #endif  /* _SYS_FILIO_H */