[apple/xnu.git] / bsd / vfs / vfs_conf.c

/*
 * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * 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 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * Copyright (c) 1989, 1993, 1995
 *	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.
 *
 *	@(#)vfs_conf.c	8.11 (Berkeley) 5/10/95
 */
/*
 * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
 * support for mandatory and extensible security protections.  This notice
 * is included in support of clause 2.2 (b) of the Apple Public License,
 * Version 2.0.
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mount_internal.h>
#include <sys/vnode_internal.h>

#ifndef __LP64__ 
#define VFS_THREAD_SAFE_FLAG VFC_VFSTHREADSAFE /* This is only defined for 32-bit */
#else 
#define VFS_THREAD_SAFE_FLAG 0
#endif /* __LP64__  */


/*
 * These define the root filesystem, device, and root filesystem type.
 */
struct mount *rootfs;
struct vnode *rootvnode;

#ifdef CONFIG_IMGSRC_ACCESS
struct vnode *imgsrc_rootvnode;
#endif /* IMGSRC_ACESS */

int (*mountroot)(void) = NULL;

/*
 * Set up the initial array of known filesystem types.
 */
extern	struct vfsops mfs_vfsops;
extern	int mfs_mountroot(mount_t, vnode_t, vfs_context_t);	/* dead */
extern  struct vfsops hfs_vfsops;
extern	int hfs_mountroot(mount_t, vnode_t, vfs_context_t);
extern	struct vfsops nfs_vfsops;
extern	int nfs_mountroot(void);
extern	struct vfsops afs_vfsops;
extern	struct vfsops null_vfsops;
extern	struct vfsops union_vfsops;
extern	struct vfsops devfs_vfsops;

/*
 * For nfs_mountroot(void) cast.  nfs_mountroot ignores its parameters, if
 * invoked through this table.
 */
typedef int (*mountroot_t)(mount_t, vnode_t, vfs_context_t);

/*
 * Set up the filesystem operations for vnodes.
 */
static struct vfstable vfstbllist[] = {
	/* HFS/HFS+ Filesystem */
#if HFS
	{ &hfs_vfsops, "hfs", 17, 0, (MNT_LOCAL | MNT_DOVOLFS), hfs_mountroot, NULL, 0, 0, VFC_VFSLOCALARGS | VFC_VFSREADDIR_EXTENDED | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY | VFC_VFSVNOP_PAGEOUTV2, NULL, 0},
#endif

	/* Memory-based Filesystem */

#ifndef __LP64__
#if MFS
	{ &mfs_vfsops, "mfs", 3, 0, MNT_LOCAL, mfs_mountroot, NULL, 0, 0, VFC_VFSGENERICARGS, NULL, 0},
#endif
#endif /* __LP64__ */

	/* Sun-compatible Network Filesystem */
#if NFSCLIENT
	{ &nfs_vfsops, "nfs", 2, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFC_VFSPREFLIGHT | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY | VFC_VFSREADDIR_EXTENDED, NULL, 0},
#endif

	/* Andrew Filesystem */
#ifndef __LP64__
#if AFS
	{ &afs_vfsops, "andrewfs", 13, 0, 0, afs_mountroot, NULL, 0, 0, VFC_VFSGENERICARGS , NULL, 0},
#endif
#endif /* __LP64__ */

	/* Loopback (Minimal) Filesystem Layer */
#ifndef __LP64__
#if NULLFS
	{ &null_vfsops, "loopback", 9, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS , NULL, 0},
#endif
#endif /* __LP64__ */

	/* Union (translucent) Filesystem */
#if UNION
	{ &union_vfsops, "unionfs", 15, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY, NULL, 0},
#endif

	/* Device Filesystem */
#if DEVFS
#if CONFIG_MACF
	{ &devfs_vfsops, "devfs", 19, 0, (MNT_DONTBROWSE | MNT_MULTILABEL), NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY, NULL, 0},
#else
	{ &devfs_vfsops, "devfs", 19, 0, MNT_DONTBROWSE, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY, NULL, 0},
#endif /* MAC */
#endif

#ifndef __LP64__
#endif /* __LP64__ */

	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}
};

/*
 * Initially the size of the list, vfs_init will set maxvfsconf
 * to the highest defined type number.
 */
int maxvfsslots = sizeof(vfstbllist) / sizeof (struct vfstable);
int numused_vfsslots = 0;
int maxvfsconf = sizeof(vfstbllist) / sizeof (struct vfstable);
struct vfstable *vfsconf = vfstbllist;

/*
 *
 * vfs_opv_descs enumerates the list of vnode classes, each with it's own
 * vnode operation vector.  It is consulted at system boot to build operation
 * vectors.  It is NULL terminated.
 *
 */
extern struct vnodeopv_desc mfs_vnodeop_opv_desc;
extern struct vnodeopv_desc dead_vnodeop_opv_desc;
#if FIFO && SOCKETS
extern struct vnodeopv_desc fifo_vnodeop_opv_desc;
#endif /* SOCKETS */
extern struct vnodeopv_desc spec_vnodeop_opv_desc;
extern struct vnodeopv_desc nfsv2_vnodeop_opv_desc;
extern struct vnodeopv_desc spec_nfsv2nodeop_opv_desc;
extern struct vnodeopv_desc fifo_nfsv2nodeop_opv_desc;
extern struct vnodeopv_desc nfsv4_vnodeop_opv_desc;
extern struct vnodeopv_desc spec_nfsv4nodeop_opv_desc;
extern struct vnodeopv_desc fifo_nfsv4nodeop_opv_desc;
extern struct vnodeopv_desc null_vnodeop_opv_desc;
extern struct vnodeopv_desc hfs_vnodeop_opv_desc;
extern struct vnodeopv_desc hfs_std_vnodeop_opv_desc;
extern struct vnodeopv_desc hfs_specop_opv_desc;
extern struct vnodeopv_desc hfs_fifoop_opv_desc;
extern struct vnodeopv_desc union_vnodeop_opv_desc;
extern struct vnodeopv_desc devfs_vnodeop_opv_desc;
extern struct vnodeopv_desc devfs_spec_vnodeop_opv_desc;
#if FDESC
extern struct vnodeopv_desc devfs_devfd_vnodeop_opv_desc;
extern struct vnodeopv_desc devfs_fdesc_vnodeop_opv_desc;
#endif /* FDESC */

struct vnodeopv_desc *vfs_opv_descs[] = {
	&dead_vnodeop_opv_desc,
#if FIFO && SOCKETS
	&fifo_vnodeop_opv_desc,
#endif
	&spec_vnodeop_opv_desc,
#if MFS
	&mfs_vnodeop_opv_desc,
#endif
#if NFSCLIENT
	&nfsv2_vnodeop_opv_desc,
	&spec_nfsv2nodeop_opv_desc,
	&nfsv4_vnodeop_opv_desc,
	&spec_nfsv4nodeop_opv_desc,
#if FIFO
	&fifo_nfsv2nodeop_opv_desc,
	&fifo_nfsv4nodeop_opv_desc,
#endif
#endif
#if NULLFS
	&null_vnodeop_opv_desc,
#endif
#if HFS
	&hfs_vnodeop_opv_desc,
	&hfs_std_vnodeop_opv_desc,
	&hfs_specop_opv_desc,
#if FIFO
	&hfs_fifoop_opv_desc,
#endif
#endif
#if UNION
	&union_vnodeop_opv_desc,
#endif
#if DEVFS
	&devfs_vnodeop_opv_desc,
	&devfs_spec_vnodeop_opv_desc,
#if FDESC
	&devfs_devfd_vnodeop_opv_desc,
	&devfs_fdesc_vnodeop_opv_desc,
#endif /* FDESC */
#endif /* DEVFS */
	NULL
};
Commit	Line	Data
1c79356b	1	/*
2d21ac55	2	* Copyright (c) 2000-2007 Apple Inc. All rights reserved.
5d5c5d0d	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
8f6c56a5	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	29	/*
	30	* Copyright (c) 1989, 1993, 1995
	31	* The Regents of the University of California. All rights reserved.
	32	*
	33	* Redistribution and use in source and binary forms, with or without
	34	* modification, are permitted provided that the following conditions
	35	* are met:
	36	* 1. Redistributions of source code must retain the above copyright
	37	* notice, this list of conditions and the following disclaimer.
	38	* 2. Redistributions in binary form must reproduce the above copyright
	39	* notice, this list of conditions and the following disclaimer in the
	40	* documentation and/or other materials provided with the distribution.
	41	* 3. All advertising materials mentioning features or use of this software
	42	* must display the following acknowledgement:
	43	* This product includes software developed by the University of
	44	* California, Berkeley and its contributors.
	45	* 4. Neither the name of the University nor the names of its contributors
	46	* may be used to endorse or promote products derived from this software
	47	* without specific prior written permission.
	48	*
	49	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	50	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	51	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	52	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	53	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	54	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	55	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	56	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	57	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	58	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	59	* SUCH DAMAGE.
	60	*
	61	* @(#)vfs_conf.c 8.11 (Berkeley) 5/10/95
	62	*/
2d21ac55 A	63	/*
	64	* NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
	65	* support for mandatory and extensible security protections. This notice
	66	* is included in support of clause 2.2 (b) of the Apple Public License,
	67	* Version 2.0.
	68	*/
1c79356b A	69
	70	#include <sys/param.h>
	71	#include <sys/systm.h>
91447636 A	72	#include <sys/mount_internal.h>
91447636 A	73	#include <sys/vnode_internal.h>
1c79356b	74
b0d623f7 A	75	#ifndef __LP64__
	76	#define VFS_THREAD_SAFE_FLAG VFC_VFSTHREADSAFE /* This is only defined for 32-bit */
	77	#else
	78	#define VFS_THREAD_SAFE_FLAG 0
	79	#endif /* __LP64__ */
	80
	81
1c79356b A	82	/*
	83	* These define the root filesystem, device, and root filesystem type.
	84	*/
	85	struct mount *rootfs;
	86	struct vnode *rootvnode;
b7266188 A	87
	88	#ifdef CONFIG_IMGSRC_ACCESS
	89	struct vnode *imgsrc_rootvnode;
	90	#endif /* IMGSRC_ACESS */
	91
2d21ac55	92	int (*mountroot)(void) = NULL;
1c79356b A	93
	94	/*
	95	* Set up the initial array of known filesystem types.
	96	*/
1c79356b	97	extern struct vfsops mfs_vfsops;
2d21ac55	98	extern int mfs_mountroot(mount_t, vnode_t, vfs_context_t); /* dead */
1c79356b	99	extern struct vfsops hfs_vfsops;
2d21ac55	100	extern int hfs_mountroot(mount_t, vnode_t, vfs_context_t);
1c79356b	101	extern struct vfsops nfs_vfsops;
2d21ac55	102	extern int nfs_mountroot(void);
1c79356b	103	extern struct vfsops afs_vfsops;
1c79356b A	104	extern struct vfsops null_vfsops;
1c79356b A	105	extern struct vfsops union_vfsops;
1c79356b A	106	extern struct vfsops devfs_vfsops;
1c79356b A	107
2d21ac55 A	108	/*
	109	* For nfs_mountroot(void) cast. nfs_mountroot ignores its parameters, if
	110	* invoked through this table.
	111	*/
	112	typedef int (*mountroot_t)(mount_t, vnode_t, vfs_context_t);
	113
1c79356b A	114	/*
	115	* Set up the filesystem operations for vnodes.
	116	*/
6601e61a	117	static struct vfstable vfstbllist[] = {
1c79356b A	118	/* HFS/HFS+ Filesystem */
1c79356b A	119	#if HFS
b0d623f7	120	{ &hfs_vfsops, "hfs", 17, 0, (MNT_LOCAL \| MNT_DOVOLFS), hfs_mountroot, NULL, 0, 0, VFC_VFSLOCALARGS \| VFC_VFSREADDIR_EXTENDED \| VFS_THREAD_SAFE_FLAG \| VFC_VFS64BITREADY \| VFC_VFSVNOP_PAGEOUTV2, NULL, 0},
1c79356b A	121	#endif
1c79356b A	122
1c79356b	123	/* Memory-based Filesystem */
b0d623f7 A	124
b0d623f7 A	125	#ifndef __LP64__
1c79356b	126	#if MFS
b0d623f7	127	{ &mfs_vfsops, "mfs", 3, 0, MNT_LOCAL, mfs_mountroot, NULL, 0, 0, VFC_VFSGENERICARGS, NULL, 0},
1c79356b	128	#endif
b0d623f7	129	#endif /* __LP64__ */
1c79356b A	130
	131	/* Sun-compatible Network Filesystem */
	132	#if NFSCLIENT
b0d623f7	133	{ &nfs_vfsops, "nfs", 2, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS \| VFC_VFSPREFLIGHT \| VFS_THREAD_SAFE_FLAG \| VFC_VFS64BITREADY \| VFC_VFSREADDIR_EXTENDED, NULL, 0},
1c79356b A	134	#endif
	135
	136	/* Andrew Filesystem */
b0d623f7	137	#ifndef __LP64__
1c79356b	138	#if AFS
b0d623f7	139	{ &afs_vfsops, "andrewfs", 13, 0, 0, afs_mountroot, NULL, 0, 0, VFC_VFSGENERICARGS , NULL, 0},
1c79356b	140	#endif
b0d623f7	141	#endif /* __LP64__ */
1c79356b	142
1c79356b	143	/* Loopback (Minimal) Filesystem Layer */
b0d623f7	144	#ifndef __LP64__
1c79356b	145	#if NULLFS
b0d623f7	146	{ &null_vfsops, "loopback", 9, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS , NULL, 0},
1c79356b	147	#endif
b0d623f7	148	#endif /* __LP64__ */
1c79356b A	149
	150	/* Union (translucent) Filesystem */
	151	#if UNION
b0d623f7	152	{ &union_vfsops, "unionfs", 15, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS \| VFS_THREAD_SAFE_FLAG \| VFC_VFS64BITREADY, NULL, 0},
1c79356b	153	#endif
9bccf70c	154
1c79356b A	155	/* Device Filesystem */
1c79356b A	156	#if DEVFS
2d21ac55	157	#if CONFIG_MACF
b0d623f7	158	{ &devfs_vfsops, "devfs", 19, 0, (MNT_DONTBROWSE \| MNT_MULTILABEL), NULL, NULL, 0, 0, VFC_VFSGENERICARGS \| VFS_THREAD_SAFE_FLAG \| VFC_VFS64BITREADY, NULL, 0},
2d21ac55	159	#else
b0d623f7	160	{ &devfs_vfsops, "devfs", 19, 0, MNT_DONTBROWSE, NULL, NULL, 0, 0, VFC_VFSGENERICARGS \| VFS_THREAD_SAFE_FLAG \| VFC_VFS64BITREADY, NULL, 0},
2d21ac55	161	#endif /* MAC */
1c79356b	162	#endif
9bccf70c	163
b0d623f7 A	164	#ifndef __LP64__
b0d623f7 A	165	#endif /* __LP64__ */
2d21ac55	166
b0d623f7 A	167	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	168	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	169	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	170	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	171	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	172	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	173	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	174	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	175	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	176	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	177	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	178	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	179	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	180	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0},
	181	{NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}
1c79356b A	182	};
	183
	184	/*
	185	* Initially the size of the list, vfs_init will set maxvfsconf
	186	* to the highest defined type number.
	187	*/
6601e61a	188	int maxvfsslots = sizeof(vfstbllist) / sizeof (struct vfstable);
1c79356b	189	int numused_vfsslots = 0;
6601e61a A	190	int maxvfsconf = sizeof(vfstbllist) / sizeof (struct vfstable);
6601e61a A	191	struct vfstable *vfsconf = vfstbllist;
1c79356b A	192
	193	/*
	194	*
	195	* vfs_opv_descs enumerates the list of vnode classes, each with it's own
	196	* vnode operation vector. It is consulted at system boot to build operation
	197	* vectors. It is NULL terminated.
	198	*
	199	*/
1c79356b A	200	extern struct vnodeopv_desc mfs_vnodeop_opv_desc;
1c79356b A	201	extern struct vnodeopv_desc dead_vnodeop_opv_desc;
2d21ac55	202	#if FIFO && SOCKETS
1c79356b	203	extern struct vnodeopv_desc fifo_vnodeop_opv_desc;
2d21ac55	204	#endif /* SOCKETS */
1c79356b A	205	extern struct vnodeopv_desc spec_vnodeop_opv_desc;
	206	extern struct vnodeopv_desc nfsv2_vnodeop_opv_desc;
	207	extern struct vnodeopv_desc spec_nfsv2nodeop_opv_desc;
	208	extern struct vnodeopv_desc fifo_nfsv2nodeop_opv_desc;
2d21ac55 A	209	extern struct vnodeopv_desc nfsv4_vnodeop_opv_desc;
	210	extern struct vnodeopv_desc spec_nfsv4nodeop_opv_desc;
	211	extern struct vnodeopv_desc fifo_nfsv4nodeop_opv_desc;
1c79356b	212	extern struct vnodeopv_desc null_vnodeop_opv_desc;
1c79356b	213	extern struct vnodeopv_desc hfs_vnodeop_opv_desc;
b0d623f7	214	extern struct vnodeopv_desc hfs_std_vnodeop_opv_desc;
1c79356b A	215	extern struct vnodeopv_desc hfs_specop_opv_desc;
1c79356b A	216	extern struct vnodeopv_desc hfs_fifoop_opv_desc;
1c79356b	217	extern struct vnodeopv_desc union_vnodeop_opv_desc;
1c79356b A	218	extern struct vnodeopv_desc devfs_vnodeop_opv_desc;
1c79356b A	219	extern struct vnodeopv_desc devfs_spec_vnodeop_opv_desc;
b0d623f7 A	220	#if FDESC
	221	extern struct vnodeopv_desc devfs_devfd_vnodeop_opv_desc;
	222	extern struct vnodeopv_desc devfs_fdesc_vnodeop_opv_desc;
	223	#endif /* FDESC */
1c79356b A	224
1c79356b A	225	struct vnodeopv_desc *vfs_opv_descs[] = {
1c79356b	226	&dead_vnodeop_opv_desc,
2d21ac55	227	#if FIFO && SOCKETS
1c79356b A	228	&fifo_vnodeop_opv_desc,
	229	#endif
	230	&spec_vnodeop_opv_desc,
1c79356b A	231	#if MFS
	232	&mfs_vnodeop_opv_desc,
	233	#endif
	234	#if NFSCLIENT
	235	&nfsv2_vnodeop_opv_desc,
	236	&spec_nfsv2nodeop_opv_desc,
2d21ac55 A	237	&nfsv4_vnodeop_opv_desc,
2d21ac55 A	238	&spec_nfsv4nodeop_opv_desc,
1c79356b A	239	#if FIFO
1c79356b A	240	&fifo_nfsv2nodeop_opv_desc,
2d21ac55	241	&fifo_nfsv4nodeop_opv_desc,
1c79356b A	242	#endif
1c79356b A	243	#endif
1c79356b A	244	#if NULLFS
	245	&null_vnodeop_opv_desc,
	246	#endif
1c79356b A	247	#if HFS
1c79356b A	248	&hfs_vnodeop_opv_desc,
b0d623f7	249	&hfs_std_vnodeop_opv_desc,
1c79356b A	250	&hfs_specop_opv_desc,
	251	#if FIFO
	252	&hfs_fifoop_opv_desc,
	253	#endif
	254	#endif
1c79356b A	255	#if UNION
	256	&union_vnodeop_opv_desc,
	257	#endif
1c79356b A	258	#if DEVFS
	259	&devfs_vnodeop_opv_desc,
	260	&devfs_spec_vnodeop_opv_desc,
b0d623f7 A	261	#if FDESC
	262	&devfs_devfd_vnodeop_opv_desc,
	263	&devfs_fdesc_vnodeop_opv_desc,
	264	#endif /* FDESC */
	265	#endif /* DEVFS */
1c79356b A	266	NULL
1c79356b A	267	};