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1 | /* | |
2 | * Copyright (c) 2004-2005 Apple Computer, Inc. All rights reserved. | |
3 | * | |
4 | * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ | |
5 | * | |
6 | * This file contains Original Code and/or Modifications of Original Code | |
7 | * as defined in and that are subject to the Apple Public Source License | |
8 | * Version 2.0 (the 'License'). You may not use this file except in | |
9 | * compliance with the License. The rights granted to you under the | |
10 | * License may not be used to create, or enable the creation or | |
11 | * redistribution of, unlawful or unlicensed copies of an Apple operating | |
12 | * system, or to circumvent, violate, or enable the circumvention or | |
13 | * violation of, any terms of an Apple operating system software license | |
14 | * agreement. | |
15 | * | |
16 | * Please obtain a copy of the License at | |
17 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
18 | * file. | |
19 | * | |
20 | * The Original Code and all software distributed under the License are | |
21 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
22 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
23 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
24 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
25 | * Please see the License for the specific language governing rights and | |
26 | * limitations under the License. | |
27 | * | |
28 | * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ | |
29 | */ | |
30 | /* | |
31 | * Copyright (c) 1988 University of Utah. | |
32 | * Copyright (c) 1990, 1993 | |
33 | * The Regents of the University of California. All rights reserved. | |
34 | * | |
35 | * This code is derived from software contributed to Berkeley by | |
36 | * the Systems Programming Group of the University of Utah Computer | |
37 | * Science Department. | |
38 | * | |
39 | * Redistribution and use in source and binary forms, with or without | |
40 | * modification, are permitted provided that the following conditions | |
41 | * are met: | |
42 | * 1. Redistributions of source code must retain the above copyright | |
43 | * notice, this list of conditions and the following disclaimer. | |
44 | * 2. Redistributions in binary form must reproduce the above copyright | |
45 | * notice, this list of conditions and the following disclaimer in the | |
46 | * documentation and/or other materials provided with the distribution. | |
47 | * 3. All advertising materials mentioning features or use of this software | |
48 | * must display the following acknowledgement: | |
49 | * This product includes software developed by the University of | |
50 | * California, Berkeley and its contributors. | |
51 | * 4. Neither the name of the University nor the names of its contributors | |
52 | * may be used to endorse or promote products derived from this software | |
53 | * without specific prior written permission. | |
54 | * | |
55 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
56 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
57 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
58 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
59 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
60 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
61 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
62 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
63 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
64 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
65 | * SUCH DAMAGE. | |
66 | * | |
67 | * from: Utah $Hdr: fdioctl.h 1.1 90/07/09$ | |
68 | * | |
69 | * @(#)vnioctl.h 8.1 (Berkeley) 6/10/93 | |
70 | * | |
71 | * $FreeBSD: src/sys/sys/vnioctl.h,v 1.4 1999/09/17 05:33:58 dillon Exp $ | |
72 | */ | |
73 | ||
74 | #ifndef _SYS_VNIOCTL_H_ | |
75 | #define _SYS_VNIOCTL_H_ | |
76 | ||
77 | #include <sys/appleapiopts.h> | |
78 | #include <sys/cdefs.h> | |
79 | ||
80 | ||
81 | /* | |
82 | * Ioctl definitions for file (vnode) disk pseudo-device. | |
83 | */ | |
84 | ||
85 | #define _PATH_VNTAB "/etc/vntab" /* default config file */ | |
86 | ||
87 | typedef enum { | |
88 | vncontrol_readwrite_io_e = 0 | |
89 | } vncontrol_t; | |
90 | ||
91 | struct vn_ioctl { | |
92 | char * vn_file; /* pathname of file to mount */ | |
93 | int vn_size; /* (returned) size of disk */ | |
94 | vncontrol_t vn_control; | |
95 | }; | |
96 | ||
97 | #ifdef KERNEL_PRIVATE | |
98 | ||
99 | struct user_vn_ioctl { | |
100 | u_int64_t vn_file; /* pathname of file to mount */ | |
101 | int vn_size; /* (returned) size of disk */ | |
102 | vncontrol_t vn_control; | |
103 | }; | |
104 | ||
105 | #endif /* KERNEL_PRIVATE */ | |
106 | ||
107 | /* | |
108 | * Before you can use a unit, it must be configured with VNIOCSET. | |
109 | * The configuration persists across opens and closes of the device; | |
110 | * an VNIOCCLR must be used to reset a configuration. An attempt to | |
111 | * VNIOCSET an already active unit will return EBUSY. | |
112 | */ | |
113 | #define VNIOCATTACH _IOWR('F', 0, struct vn_ioctl) /* attach file */ | |
114 | #define VNIOCDETACH _IOWR('F', 1, struct vn_ioctl) /* detach disk */ | |
115 | #define VNIOCGSET _IOWR('F', 2, u_int32_t ) /* set global option */ | |
116 | #define VNIOCGCLEAR _IOWR('F', 3, u_int32_t ) /* reset --//-- */ | |
117 | #define VNIOCUSET _IOWR('F', 4, u_int32_t ) /* set unit option */ | |
118 | #define VNIOCUCLEAR _IOWR('F', 5, u_int32_t ) /* reset --//-- */ | |
119 | #define VNIOCSHADOW _IOWR('F', 6, struct vn_ioctl) /* attach shadow */ | |
120 | #ifdef KERNEL_PRIVATE | |
121 | #define VNIOCATTACH64 _IOWR('F', 0, struct user_vn_ioctl) /* attach file - LP64 */ | |
122 | #define VNIOCDETACH64 _IOWR('F', 1, struct user_vn_ioctl) /* detach disk - LP64 */ | |
123 | #define VNIOCSHADOW64 _IOWR('F', 6, struct user_vn_ioctl) /* attach shadow - LP64 */ | |
124 | #endif /* KERNEL_PRIVATE */ | |
125 | ||
126 | #define VN_LABELS 0x1 /* Use disk(/slice) labels */ | |
127 | #define VN_FOLLOW 0x2 /* Debug flow in vn driver */ | |
128 | #define VN_DEBUG 0x4 /* Debug data in vn driver */ | |
129 | #define VN_IO 0x8 /* Debug I/O in vn driver */ | |
130 | #define VN_DONTCLUSTER 0x10 /* Don't cluster */ | |
131 | #define VN_RESERVE 0x20 /* Pre-reserve swap */ | |
132 | ||
133 | ||
134 | #endif /* _SYS_VNIOCTL_H_*/ |