/* * Copyright (c) 2004-2005 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1988 University of Utah. * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah $Hdr: fdioctl.h 1.1 90/07/09$ * * @(#)vnioctl.h 8.1 (Berkeley) 6/10/93 * * $FreeBSD: src/sys/sys/vnioctl.h,v 1.4 1999/09/17 05:33:58 dillon Exp $ */ #ifndef _SYS_VNIOCTL_H_ #define _SYS_VNIOCTL_H_ #include <sys/appleapiopts.h> #include <sys/cdefs.h> /* * Ioctl definitions for file (vnode) disk pseudo-device. */ #define _PATH_VNTAB "/etc/vntab" /* default config file */ typedef enum { vncontrol_readwrite_io_e = 0 } vncontrol_t; struct vn_ioctl { char * vn_file; /* pathname of file to mount */ int vn_size; /* (returned) size of disk */ vncontrol_t vn_control; }; #ifdef KERNEL_PRIVATE #if __DARWIN_ALIGN_NATURAL #pragma options align=natural #endif struct user_vn_ioctl { u_int64_t vn_file; /* pathname of file to mount */ int vn_size; /* (returned) size of disk */ vncontrol_t vn_control; }; #if __DARWIN_ALIGN_NATURAL #pragma options align=reset #endif #endif /* KERNEL_PRIVATE */ /* * Before you can use a unit, it must be configured with VNIOCSET. * The configuration persists across opens and closes of the device; * an VNIOCCLR must be used to reset a configuration. An attempt to * VNIOCSET an already active unit will return EBUSY. */ #define VNIOCATTACH _IOWR('F', 0, struct vn_ioctl) /* attach file */ #define VNIOCDETACH _IOWR('F', 1, struct vn_ioctl) /* detach disk */ #define VNIOCGSET _IOWR('F', 2, u_int32_t ) /* set global option */ #define VNIOCGCLEAR _IOWR('F', 3, u_int32_t ) /* reset --//-- */ #define VNIOCUSET _IOWR('F', 4, u_int32_t ) /* set unit option */ #define VNIOCUCLEAR _IOWR('F', 5, u_int32_t ) /* reset --//-- */ #define VNIOCSHADOW _IOWR('F', 6, struct vn_ioctl) /* attach shadow */ #ifdef KERNEL_PRIVATE #define VNIOCATTACH64 _IOWR('F', 0, struct user_vn_ioctl) /* attach file - LP64 */ #define VNIOCDETACH64 _IOWR('F', 1, struct user_vn_ioctl) /* detach disk - LP64 */ #define VNIOCSHADOW64 _IOWR('F', 6, struct user_vn_ioctl) /* attach shadow - LP64 */ #endif /* KERNEL_PRIVATE */ #define VN_LABELS 0x1 /* Use disk(/slice) labels */ #define VN_FOLLOW 0x2 /* Debug flow in vn driver */ #define VN_DEBUG 0x4 /* Debug data in vn driver */ #define VN_IO 0x8 /* Debug I/O in vn driver */ #define VN_DONTCLUSTER 0x10 /* Don't cluster */ #define VN_RESERVE 0x20 /* Pre-reserve swap */ #endif /* _SYS_VNIOCTL_H_*/