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1.1 ! root 1: /* ! 2: * Copyright (c) 2000 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) 1995, 1998 Apple Computer, Inc. All Rights Reserved. ! 24: * Copyright (c) 1990, 1993 ! 25: * The Regents of the University of California. All rights reserved. ! 26: * ! 27: * Redistribution and use in source and binary forms, with or without ! 28: * modification, are permitted provided that the following conditions ! 29: * are met: ! 30: * 1. Redistributions of source code must retain the above copyright ! 31: * notice, this list of conditions and the following disclaimer. ! 32: * 2. Redistributions in binary form must reproduce the above copyright ! 33: * notice, this list of conditions and the following disclaimer in the ! 34: * documentation and/or other materials provided with the distribution. ! 35: * 3. All advertising materials mentioning features or use of this software ! 36: * must display the following acknowledgement: ! 37: * This product includes software developed by the University of ! 38: * California, Berkeley and its contributors. ! 39: * 4. Neither the name of the University nor the names of its contributors ! 40: * may be used to endorse or promote products derived from this software ! 41: * without specific prior written permission. ! 42: * ! 43: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ! 44: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ! 45: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ! 46: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE ! 47: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL ! 48: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS ! 49: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ! 50: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT ! 51: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY ! 52: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF ! 53: * SUCH DAMAGE. ! 54: * ! 55: * @(#)specdev.h 8.6 (Berkeley) 5/21/95 ! 56: */ ! 57: ! 58: #ifndef _MISCFS_SPECFS_SPECDEV_H_ ! 59: #define _MISCFS_SPECFS_SPECDEV_H_ ! 60: ! 61: #include <vfs/vfs_support.h> ! 62: ! 63: /* ! 64: * This structure defines the information maintained about ! 65: * special devices. It is allocated in checkalias and freed ! 66: * in vgone. ! 67: */ ! 68: struct specinfo { ! 69: struct vnode **si_hashchain; ! 70: struct vnode *si_specnext; ! 71: long si_flags; ! 72: dev_t si_rdev; ! 73: daddr_t si_size; /* block device size in bytes */ ! 74: }; ! 75: /* ! 76: * Exported shorthand ! 77: */ ! 78: #define v_rdev v_specinfo->si_rdev ! 79: #define v_hashchain v_specinfo->si_hashchain ! 80: #define v_specnext v_specinfo->si_specnext ! 81: #define v_specflags v_specinfo->si_flags ! 82: #define v_specsize v_specinfo->si_size ! 83: ! 84: /* ! 85: * Flags for specinfo ! 86: */ ! 87: #define SI_MOUNTEDON 0x0001 /* block special device is mounted on */ ! 88: ! 89: /* ! 90: * Special device management ! 91: */ ! 92: #define SPECHSZ 64 ! 93: #if ((SPECHSZ&(SPECHSZ-1)) == 0) ! 94: #define SPECHASH(rdev) (((rdev>>5)+(rdev))&(SPECHSZ-1)) ! 95: #else ! 96: #define SPECHASH(rdev) (((unsigned)((rdev>>5)+(rdev)))%SPECHSZ) ! 97: #endif ! 98: ! 99: extern struct vnode *speclisth[SPECHSZ]; ! 100: ! 101: /* ! 102: * Prototypes for special file operations on vnodes. ! 103: */ ! 104: extern int (**spec_vnodeop_p)(); ! 105: struct nameidata; ! 106: struct componentname; ! 107: struct ucred; ! 108: struct flock; ! 109: struct buf; ! 110: struct uio; ! 111: ! 112: int spec_ebadf(); ! 113: ! 114: int spec_lookup __P((struct vop_lookup_args *)); ! 115: #define spec_create ((int (*) __P((struct vop_access_args *)))err_create) ! 116: #define spec_mknod ((int (*) __P((struct vop_access_args *)))err_mknod) ! 117: int spec_open __P((struct vop_open_args *)); ! 118: int spec_close __P((struct vop_close_args *)); ! 119: #define spec_access ((int (*) __P((struct vop_access_args *)))spec_ebadf) ! 120: #define spec_getattr ((int (*) __P((struct vop_getattr_args *)))spec_ebadf) ! 121: #define spec_setattr ((int (*) __P((struct vop_setattr_args *)))spec_ebadf) ! 122: int spec_read __P((struct vop_read_args *)); ! 123: int spec_write __P((struct vop_write_args *)); ! 124: #define spec_lease_check ((int (*) __P((struct vop_access_args *)))nop_lease) ! 125: int spec_ioctl __P((struct vop_ioctl_args *)); ! 126: int spec_select __P((struct vop_select_args *)); ! 127: #define spec_revoke ((int (*) __P((struct vop_access_args *)))nop_revoke) ! 128: #define spec_mmap ((int (*) __P((struct vop_access_args *)))err_mmap) ! 129: int spec_fsync __P((struct vop_fsync_args *)); ! 130: #define spec_seek ((int (*) __P((struct vop_access_args *)))err_seek) ! 131: #define spec_remove ((int (*) __P((struct vop_access_args *)))err_remove) ! 132: #define spec_link ((int (*) __P((struct vop_access_args *)))err_link) ! 133: #define spec_rename ((int (*) __P((struct vop_access_args *)))err_rename) ! 134: #define spec_mkdir ((int (*) __P((struct vop_access_args *)))err_mkdir) ! 135: #define spec_rmdir ((int (*) __P((struct vop_access_args *)))err_rmdir) ! 136: #define spec_symlink ((int (*) __P((struct vop_access_args *)))err_symlink) ! 137: #define spec_readdir ((int (*) __P((struct vop_access_args *)))err_readdir) ! 138: #define spec_readlink ((int (*) __P((struct vop_access_args *)))err_readlink) ! 139: #define spec_abortop ((int (*) __P((struct vop_access_args *)))err_abortop) ! 140: #define spec_inactive ((int (*) __P((struct vop_access_args *)))nop_inactive) ! 141: #define spec_reclaim ((int (*) __P((struct vop_access_args *)))nop_reclaim) ! 142: #define spec_lock ((int (*) __P((struct vop_access_args *)))nop_lock) ! 143: #define spec_unlock ((int (*) __P((struct vop_access_args *)))nop_unlock) ! 144: int spec_bmap __P((struct vop_bmap_args *)); ! 145: int spec_strategy __P((struct vop_strategy_args *)); ! 146: int spec_print __P((struct vop_print_args *)); ! 147: #define spec_islocked ((int (*) __P((struct vop_access_args *)))nop_islocked) ! 148: int spec_pathconf __P((struct vop_pathconf_args *)); ! 149: #define spec_advlock ((int (*) __P((struct vop_access_args *)))err_advlock) ! 150: #define spec_blkatoff ((int (*) __P((struct vop_access_args *)))err_blkatoff) ! 151: #define spec_valloc ((int (*) __P((struct vop_access_args *)))err_valloc) ! 152: #define spec_vfree ((int (*) __P((struct vop_access_args *)))err_vfree) ! 153: #define spec_truncate ((int (*) __P((struct vop_access_args *)))nop_truncate) ! 154: #define spec_update ((int (*) __P((struct vop_access_args *)))nop_update) ! 155: #define spec_reallocblks \ ! 156: ((int (*) __P((struct vop_reallocblks_args *)))err_reallocblks) ! 157: #define spec_bwrite ((int (*) __P((struct vop_bwrite_args *)))nop_bwrite) ! 158: int spec_devblocksize __P((struct vop_devblocksize_args *)); ! 159: int spec_pagein __P((struct vop_pagein_args *)); ! 160: int spec_pageout __P((struct vop_pageout_args *)); ! 161: ! 162: #endif /* _MISCFS_SPECFS_SPECDEV_H_ */
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