Source to bsd/miscfs/specfs/specdev.h
/*
* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
*
* @[email protected]
*
* "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
* Reserved. This file contains Original Code and/or Modifications of
* Original Code as defined in and that are subject to the Apple Public
* Source License Version 1.0 (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.
*
* The 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."
*
* @[email protected]
*/
/*
* 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 <vfs/vfs_support.h>
/*
* This structure defines the information maintained about
* special devices. It is allocated in checkalias and freed
* in vgone.
*/
struct specinfo {
struct vnode **si_hashchain;
struct vnode *si_specnext;
long si_flags;
dev_t si_rdev;
daddr_t si_size; /* block device size in bytes */
};
/*
* 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
/*
* 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)();
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 *));
#define spec_advlock ((int (*) __P((struct vop_access_args *)))err_advlock)