/* * Copyright (c) 2000-2002 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) 1995, 1998 Apple Computer, Inc. All Rights Reserved. * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * 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. * * @(#)specdev.h 8.6 (Berkeley) 5/21/95 */ #ifndef _MISCFS_SPECFS_SPECDEV_H_ #define _MISCFS_SPECFS_SPECDEV_H_ #include #ifdef __APPLE_API_PRIVATE #include /* * This structure defines the information maintained about * special devices. It is allocated in checkalias and freed * in vgone. */ struct lockf; struct specinfo { struct vnode **si_hashchain; struct vnode *si_specnext; long si_flags; dev_t si_rdev; daddr_t si_size; /* device block size in bytes */ u_int64_t si_devsize; /* actual device size in bytes */ struct lockf *si_lockf; /* head of advisory lock list */ }; /* * Exported shorthand */ #define v_rdev v_specinfo->si_rdev #define v_hashchain v_specinfo->si_hashchain #define v_specnext v_specinfo->si_specnext #define v_specflags v_specinfo->si_flags #define v_specsize v_specinfo->si_size #define v_specdevsize v_specinfo->si_devsize /* * Flags for specinfo */ #define SI_MOUNTEDON 0x0001 /* block special device is mounted on */ /* * Special device management */ #define SPECHSZ 64 #if ((SPECHSZ&(SPECHSZ-1)) == 0) #define SPECHASH(rdev) (((rdev>>5)+(rdev))&(SPECHSZ-1)) #else #define SPECHASH(rdev) (((unsigned)((rdev>>5)+(rdev)))%SPECHSZ) #endif extern struct vnode *speclisth[SPECHSZ]; /* * Prototypes for special file operations on vnodes. */ extern int (**spec_vnodeop_p)(void *); struct nameidata; struct componentname; struct ucred; struct flock; struct buf; struct uio; int spec_ebadf(); int spec_lookup __P((struct vop_lookup_args *)); #define spec_create ((int (*) __P((struct vop_access_args *)))err_create) #define spec_mknod ((int (*) __P((struct vop_access_args *)))err_mknod) int spec_open __P((struct vop_open_args *)); int spec_close __P((struct vop_close_args *)); #define spec_access ((int (*) __P((struct vop_access_args *)))spec_ebadf) #define spec_getattr ((int (*) __P((struct vop_getattr_args *)))spec_ebadf) #define spec_setattr ((int (*) __P((struct vop_setattr_args *)))spec_ebadf) int spec_read __P((struct vop_read_args *)); int spec_write __P((struct vop_write_args *)); #define spec_lease_check ((int (*) __P((struct vop_access_args *)))nop_lease) int spec_ioctl __P((struct vop_ioctl_args *)); int spec_select __P((struct vop_select_args *)); #define spec_revoke ((int (*) __P((struct vop_access_args *)))nop_revoke) #define spec_mmap ((int (*) __P((struct vop_access_args *)))err_mmap) int spec_fsync __P((struct vop_fsync_args *)); #define spec_seek ((int (*) __P((struct vop_access_args *)))err_seek) #define spec_remove ((int (*) __P((struct vop_access_args *)))err_remove) #define spec_link ((int (*) __P((struct vop_access_args *)))err_link) #define spec_rename ((int (*) __P((struct vop_access_args *)))err_rename) #define spec_mkdir ((int (*) __P((struct vop_access_args *)))err_mkdir) #define spec_rmdir ((int (*) __P((struct vop_access_args *)))err_rmdir) #define spec_symlink ((int (*) __P((struct vop_access_args *)))err_symlink) #define spec_readdir ((int (*) __P((struct vop_access_args *)))err_readdir) #define spec_readlink ((int (*) __P((struct vop_access_args *)))err_readlink) #define spec_abortop ((int (*) __P((struct vop_access_args *)))err_abortop) #define spec_inactive ((int (*) __P((struct vop_access_args *)))nop_inactive) #define spec_reclaim ((int (*) __P((struct vop_access_args *)))nop_reclaim) #define spec_lock ((int (*) __P((struct vop_access_args *)))nop_lock) #define spec_unlock ((int (*) __P((struct vop_access_args *)))nop_unlock) int spec_bmap __P((struct vop_bmap_args *)); int spec_strategy __P((struct vop_strategy_args *)); int spec_print __P((struct vop_print_args *)); #define spec_islocked ((int (*) __P((struct vop_access_args *)))nop_islocked) int spec_pathconf __P((struct vop_pathconf_args *)); int spec_advlock __P((struct vop_advlock_args *)); #define spec_blkatoff ((int (*) __P((struct vop_access_args *)))err_blkatoff) #define spec_valloc ((int (*) __P((struct vop_access_args *)))err_valloc) #define spec_vfree ((int (*) __P((struct vop_access_args *)))err_vfree) #define spec_truncate ((int (*) __P((struct vop_access_args *)))nop_truncate) #define spec_update ((int (*) __P((struct vop_access_args *)))nop_update) #define spec_reallocblks \ ((int (*) __P((struct vop_reallocblks_args *)))err_reallocblks) #define spec_bwrite ((int (*) __P((struct vop_bwrite_args *)))nop_bwrite) int spec_devblocksize __P((struct vop_devblocksize_args *)); int spec_blktooff __P((struct vop_blktooff_args *)); int spec_offtoblk __P((struct vop_offtoblk_args *)); int spec_cmap __P((struct vop_cmap_args *)); #endif /* __APPLE_API_PRIVATE */ #endif /* _MISCFS_SPECFS_SPECDEV_H_ */