xref: /titanic_41/usr/src/uts/common/sys/filio.h (revision 37de6a9bf12445419355d135cccb571fd1dcc681)
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 /*
40  * Copyright (c) 2013 by Delphix. All rights reserved.
41  */
42 
43 #ifndef _SYS_FILIO_H
44 #define	_SYS_FILIO_H
45 
46 /*
47  * General file ioctl definitions.
48  */
49 
50 #include <sys/ioccom.h>
51 
52 #ifdef	__cplusplus
53 extern "C" {
54 #endif
55 
56 #define	FIOCLEX		_IO('f', 1)		/* set exclusive use on fd */
57 #define	FIONCLEX	_IO('f', 2)		/* remove exclusive use */
58 /* another local */
59 #define	FIONREAD	_IOR('f', 127, int)	/* get # bytes to read */
60 #define	FIONBIO		_IOW('f', 126, int)	/* set/clear non-blocking i/o */
61 #define	FIOASYNC	_IOW('f', 125, int)	/* set/clear async i/o */
62 #define	FIOSETOWN	_IOW('f', 124, int)	/* set owner */
63 #define	FIOGETOWN	_IOR('f', 123, int)	/* get owner */
64 
65 /*
66  * ioctl's for Online: DiskSuite.
67  * WARNING - the support for these ioctls may be withdrawn
68  * in future OS releases.
69  */
70 #define	_FIOLFS		_IO('f', 64)		/* file system lock */
71 #define	_FIOLFSS	_IO('f', 65)		/* file system lock status */
72 #define	_FIOFFS		_IO('f', 66)		/* file system flush */
73 #define	_FIOAI		_FIOOBSOLETE67		/* get allocation info is */
74 #define	_FIOOBSOLETE67	_IO('f', 67)		/* obsolete and unsupported */
75 #define	_FIOSATIME	_IO('f', 68)		/* set atime */
76 #define	_FIOSDIO	_IO('f', 69)		/* set delayed io */
77 #define	_FIOGDIO	_IO('f', 70)		/* get delayed io */
78 #define	_FIOIO		_IO('f', 71)		/* inode open */
79 #define	_FIOISLOG	_IO('f', 72)		/* disksuite/ufs protocol */
80 #define	_FIOISLOGOK	_IO('f', 73)		/* disksuite/ufs protocol */
81 #define	_FIOLOGRESET	_IO('f', 74)		/* disksuite/ufs protocol */
82 
83 /*
84  * Contract-private ioctl()
85  */
86 #define	_FIOISBUSY	_IO('f', 75)		/* networker/ufs protocol */
87 #define	_FIODIRECTIO	_IO('f', 76)		/* directio */
88 #define	_FIOTUNE	_IO('f', 77)		/* tuning */
89 
90 /*
91  * WARNING: These 'f' ioctls are also defined in sys/fs/cachefs_fs.h
92  * It currently defines 78-86.
93  */
94 
95 /*
96  * Internal Logging UFS
97  */
98 #define	_FIOLOGENABLE	_IO('f', 87)		/* logging/ufs protocol */
99 #define	_FIOLOGDISABLE	_IO('f', 88)		/* logging/ufs protocol */
100 
101 /*
102  * File system snapshot ioctls (see sys/fs/ufs_snap.h)
103  * (there is another snapshot ioctl, _FIOSNAPSHOTCREATE_MULTI,
104  * defined farther down in this file.)
105  */
106 #define	_FIOSNAPSHOTCREATE	_IO('f', 89)	/* create a snapshot */
107 #define	_FIOSNAPSHOTDELETE	_IO('f', 90)	/* delete a snapshot */
108 
109 /*
110  * Return the current superblock of size SBSIZE
111  */
112 #define	_FIOGETSUPERBLOCK	_IO('f', 91)
113 
114 /*
115  * Contract private ioctl
116  */
117 #define	_FIOGETMAXPHYS		_IO('f', 92)
118 
119 /*
120  * TSufs support
121  */
122 #define	_FIO_SET_LUFS_DEBUG	_IO('f', 93) /* set lufs_debug */
123 #define	_FIO_SET_LUFS_ERROR	_IO('f', 94) /* set a lufs error */
124 #define	_FIO_GET_TOP_STATS	_IO('f', 95) /* get lufs tranaction stats */
125 
126 /*
127  * create a snapshot with multiple backing files
128  */
129 #define	_FIOSNAPSHOTCREATE_MULTI	_IO('f', 96)
130 
131 /*
132  * handle lseek SEEK_DATA and SEEK_HOLE for holey file knowledge
133  */
134 #define	_FIO_SEEK_DATA		_IO('f', 97) /* SEEK_DATA */
135 #define	_FIO_SEEK_HOLE		_IO('f', 98) /* SEEK_HOLE */
136 
137 /*
138  * boot archive compression
139  */
140 #define	_FIO_COMPRESSED		_IO('f', 99) /* mark file as compressed */
141 
142 /*
143  * Expose fill information through ioctl
144  */
145 #define	_FIO_COUNT_FILLED	_IO('f', 100)	/* count holes in a file */
146 
147 #ifdef	__cplusplus
148 }
149 #endif
150 
151 #endif	/* _SYS_FILIO_H */
152