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