1/* 2 * Copyright (c) 2000-2014 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 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. 14 * 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 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 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. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 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 */ 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 */ 69 70#include <sys/param.h> 71#include <sys/systm.h> 72#include <sys/mount_internal.h> 73#include <sys/vnode_internal.h> 74 75/* 76 * These define the root filesystem, device, and root filesystem type. 77 */ 78struct mount *rootfs; 79struct vnode *rootvnode; 80 81#ifdef CONFIG_IMGSRC_ACCESS 82struct vnode *imgsrc_rootvnodes[MAX_IMAGEBOOT_NESTING]; /* [0] -> source volume, [1] -> first disk image */ 83#endif /* CONFIG_IMGSRC_ACCESS */ 84 85int (*mountroot)(void) = NULL; 86 87/* 88 * Set up the initial array of known filesystem types. 89 */ 90extern struct vfsops mfs_vfsops; 91extern int mfs_mountroot(mount_t, vnode_t, vfs_context_t); /* dead */ 92extern struct vfsops hfs_vfsops; 93extern int hfs_mountroot(mount_t, vnode_t, vfs_context_t); 94extern struct vfsops nfs_vfsops; 95extern int nfs_mountroot(void); 96extern struct vfsops afs_vfsops; 97extern struct vfsops null_vfsops; 98extern struct vfsops devfs_vfsops; 99 100#if MOCKFS 101extern struct vfsops mockfs_vfsops; 102extern int mockfs_mountroot(mount_t, vnode_t, vfs_context_t); 103#endif /* MOCKFS */ 104 105/* 106 * For nfs_mountroot(void) cast. nfs_mountroot ignores its parameters, if 107 * invoked through this table. 108 */ 109typedef int (*mountroot_t)(mount_t, vnode_t, vfs_context_t); 110 111enum fs_type_num { 112 FT_NFS = 2, 113 FT_HFS = 17, 114 FT_DEVFS = 19, 115 FT_SYNTHFS = 20, 116 FT_MOCKFS = 0x6D6F636B 117}; 118 119/* 120 * Set up the filesystem operations for vnodes. 121 */ 122static struct vfstable vfstbllist[] = { 123 /* HFS/HFS+ Filesystem */ 124#if HFS 125 { &hfs_vfsops, "hfs", FT_HFS, 0, (MNT_LOCAL | MNT_DOVOLFS), hfs_mountroot, NULL, 0, 0, VFC_VFSLOCALARGS | VFC_VFSREADDIR_EXTENDED | VFC_VFS64BITREADY | VFC_VFSVNOP_PAGEOUTV2 | VFC_VFSVNOP_PAGEINV2 126#if CONFIG_SECLUDED_RENAME 127 | VFC_VFSVNOP_SECLUDE_RENAME 128#endif 129 , NULL, 0, NULL}, 130#endif 131 132 /* Sun-compatible Network Filesystem */ 133#if NFSCLIENT 134 { &nfs_vfsops, "nfs", FT_NFS, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFC_VFSPREFLIGHT | VFC_VFS64BITREADY | VFC_VFSREADDIR_EXTENDED, NULL, 0, NULL}, 135#endif 136 137 /* Device Filesystem */ 138#if DEVFS 139#if CONFIG_MACF 140 { &devfs_vfsops, "devfs", FT_DEVFS, 0, MNT_MULTILABEL, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFC_VFS64BITREADY, NULL, 0, NULL}, 141#else 142 { &devfs_vfsops, "devfs", FT_DEVFS, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFC_VFS64BITREADY, NULL, 0, NULL}, 143#endif /* MAC */ 144#endif 145 146#ifndef __LP64__ 147#endif /* __LP64__ */ 148 149#if MOCKFS 150 /* If we are configured for it, mockfs should always be the last standard entry (and thus the last FS we attempt mountroot with) */ 151 { &mockfs_vfsops, "mockfs", FT_MOCKFS, 0, MNT_LOCAL, mockfs_mountroot, NULL, 0, 0, VFC_VFSGENERICARGS, NULL, 0, NULL}, 152#endif /* MOCKFS */ 153 154 {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0, NULL}, 155 {NULL, "<unassigned>", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0, NULL}, 156}; 157 158/* 159 * vfs_init will set maxvfstypenum to the highest defined type number. 160 */ 161const int maxvfsslots = sizeof(vfstbllist) / sizeof (struct vfstable); 162int numused_vfsslots = 0; 163int numregistered_fses = 0; 164int maxvfstypenum = VT_NON + 1; 165struct vfstable *vfsconf = vfstbllist; 166 167/* 168 * 169 * vfs_opv_descs enumerates the list of vnode classes, each with it's own 170 * vnode operation vector. It is consulted at system boot to build operation 171 * vectors. It is NULL terminated. 172 * 173 */ 174extern struct vnodeopv_desc mfs_vnodeop_opv_desc; 175extern struct vnodeopv_desc dead_vnodeop_opv_desc; 176#if FIFO && SOCKETS 177extern struct vnodeopv_desc fifo_vnodeop_opv_desc; 178#endif /* SOCKETS */ 179extern struct vnodeopv_desc spec_vnodeop_opv_desc; 180extern struct vnodeopv_desc nfsv2_vnodeop_opv_desc; 181extern struct vnodeopv_desc spec_nfsv2nodeop_opv_desc; 182extern struct vnodeopv_desc fifo_nfsv2nodeop_opv_desc; 183extern struct vnodeopv_desc nfsv4_vnodeop_opv_desc; 184extern struct vnodeopv_desc spec_nfsv4nodeop_opv_desc; 185extern struct vnodeopv_desc fifo_nfsv4nodeop_opv_desc; 186extern struct vnodeopv_desc null_vnodeop_opv_desc; 187extern struct vnodeopv_desc hfs_vnodeop_opv_desc; 188#if CONFIG_HFS_STD 189extern struct vnodeopv_desc hfs_std_vnodeop_opv_desc; 190#endif 191extern struct vnodeopv_desc hfs_specop_opv_desc; 192extern struct vnodeopv_desc hfs_fifoop_opv_desc; 193extern struct vnodeopv_desc devfs_vnodeop_opv_desc; 194extern struct vnodeopv_desc devfs_spec_vnodeop_opv_desc; 195#if FDESC 196extern struct vnodeopv_desc devfs_devfd_vnodeop_opv_desc; 197extern struct vnodeopv_desc devfs_fdesc_vnodeop_opv_desc; 198#endif /* FDESC */ 199 200#if MOCKFS 201extern struct vnodeopv_desc mockfs_vnodeop_opv_desc; 202#endif /* MOCKFS */ 203 204struct vnodeopv_desc *vfs_opv_descs[] = { 205 &dead_vnodeop_opv_desc, 206#if FIFO && SOCKETS 207 &fifo_vnodeop_opv_desc, 208#endif 209 &spec_vnodeop_opv_desc, 210#if MFS 211 &mfs_vnodeop_opv_desc, 212#endif 213#if NFSCLIENT 214 &nfsv2_vnodeop_opv_desc, 215 &spec_nfsv2nodeop_opv_desc, 216 &nfsv4_vnodeop_opv_desc, 217 &spec_nfsv4nodeop_opv_desc, 218#if FIFO 219 &fifo_nfsv2nodeop_opv_desc, 220 &fifo_nfsv4nodeop_opv_desc, 221#endif 222#endif 223#if HFS 224 &hfs_vnodeop_opv_desc, 225#if CONFIG_HFS_STD 226 &hfs_std_vnodeop_opv_desc, 227#endif 228 &hfs_specop_opv_desc, 229#if FIFO 230 &hfs_fifoop_opv_desc, 231#endif 232#endif 233#if DEVFS 234 &devfs_vnodeop_opv_desc, 235 &devfs_spec_vnodeop_opv_desc, 236#if FDESC 237 &devfs_devfd_vnodeop_opv_desc, 238 &devfs_fdesc_vnodeop_opv_desc, 239#endif /* FDESC */ 240#endif /* DEVFS */ 241#if MOCKFS 242 &mockfs_vnodeop_opv_desc, 243#endif /* MOCKFS */ 244 NULL 245}; 246