xref: /titanic_41/usr/src/uts/common/sys/filio.h (revision ff17c8bf86c3e567734be83f90267edee20f580f)
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65  * WARNING - the support for these ioctls may be withdrawn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 */
145