1 /* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)vfs_conf.c 8.1 (Berkeley) 06/10/93 8 */ 9 10 #include <sys/param.h> 11 #include <sys/mount.h> 12 #include <sys/vnode.h> 13 14 #ifdef FFS 15 #include <ufs/ffs/ffs_extern.h> 16 17 /* 18 * This specifies the filesystem used to mount the root. 19 * This specification should be done by /etc/config. 20 */ 21 int (*mountroot)() = ffs_mountroot; 22 #endif 23 24 /* 25 * These define the root filesystem and device. 26 */ 27 struct mount *rootfs; 28 struct vnode *rootdir; 29 30 /* 31 * Set up the filesystem operations for vnodes. 32 * The types are defined in mount.h. 33 */ 34 #ifdef FFS 35 extern struct vfsops ufs_vfsops; 36 #define UFS_VFSOPS &ufs_vfsops 37 #else 38 #define UFS_VFSOPS NULL 39 #endif 40 41 #ifdef LFS 42 extern struct vfsops lfs_vfsops; 43 #define LFS_VFSOPS &lfs_vfsops 44 #else 45 #define LFS_VFSOPS NULL 46 #endif 47 48 #ifdef MFS 49 extern struct vfsops mfs_vfsops; 50 #define MFS_VFSOPS &mfs_vfsops 51 #else 52 #define MFS_VFSOPS NULL 53 #endif 54 55 #ifdef NFS 56 extern struct vfsops nfs_vfsops; 57 #define NFS_VFSOPS &nfs_vfsops 58 #else 59 #define NFS_VFSOPS NULL 60 #endif 61 62 #ifdef LOFS 63 extern struct vfsops lofs_vfsops; 64 #define LOFS_VFSOPS &lofs_vfsops 65 #else 66 #define LOFS_VFSOPS NULL 67 #endif 68 69 #ifdef FDESC 70 extern struct vfsops fdesc_vfsops; 71 #define FDESC_VFSOPS &fdesc_vfsops 72 #else 73 #define FDESC_VFSOPS NULL 74 #endif 75 76 #ifdef PORTAL 77 extern struct vfsops portal_vfsops; 78 #define PORTAL_VFSOPS &portal_vfsops 79 #else 80 #define PORTAL_VFSOPS NULL 81 #endif 82 83 #ifdef NULLFS 84 extern struct vfsops null_vfsops; 85 #define NULL_VFSOPS &null_vfsops 86 #else 87 #define NULL_VFSOPS NULL 88 #endif 89 90 #ifdef UMAPFS 91 extern struct vfsops umap_vfsops; 92 #define UMAP_VFSOPS &umap_vfsops 93 #else 94 #define UMAP_VFSOPS NULL 95 #endif 96 97 #ifdef KERNFS 98 extern struct vfsops kernfs_vfsops; 99 #define KERNFS_VFSOPS &kernfs_vfsops 100 #else 101 #define KERNFS_VFSOPS NULL 102 #endif 103 104 105 struct vfsops *vfssw[] = { 106 NULL, /* 0 = MOUNT_NONE */ 107 UFS_VFSOPS, /* 1 = MOUNT_UFS */ 108 NFS_VFSOPS, /* 2 = MOUNT_NFS */ 109 MFS_VFSOPS, /* 3 = MOUNT_MFS */ 110 NULL, /* 4 = MOUNT_PC */ 111 LFS_VFSOPS, /* 5 = MOUNT_LFS */ 112 LOFS_VFSOPS, /* 6 = MOUNT_LOFS */ 113 FDESC_VFSOPS, /* 7 = MOUNT_FDESC */ 114 PORTAL_VFSOPS, /* 8 = MOUNT_PORTAL */ 115 NULL_VFSOPS, /* 9 = MOUNT_NULL */ 116 UMAP_VFSOPS, /* 10 = MOUNT_UMAP */ 117 KERNFS_VFSOPS, /* 11 = MOUNT_KERNFS */ 118 0 119 }; 120 121 122 /* 123 * 124 * vfs_opv_descs enumerates the list of vnode classes, each with it's own 125 * vnode operation vector. It is consulted at system boot to build operation 126 * vectors. It is NULL terminated. 127 * 128 */ 129 extern struct vnodeopv_desc ffs_vnodeop_opv_desc; 130 extern struct vnodeopv_desc ffs_specop_opv_desc; 131 extern struct vnodeopv_desc ffs_fifoop_opv_desc; 132 extern struct vnodeopv_desc lfs_vnodeop_opv_desc; 133 extern struct vnodeopv_desc lfs_specop_opv_desc; 134 extern struct vnodeopv_desc lfs_fifoop_opv_desc; 135 extern struct vnodeopv_desc mfs_vnodeop_opv_desc; 136 extern struct vnodeopv_desc dead_vnodeop_opv_desc; 137 extern struct vnodeopv_desc fifo_vnodeop_opv_desc; 138 extern struct vnodeopv_desc spec_vnodeop_opv_desc; 139 extern struct vnodeopv_desc nfsv2_vnodeop_opv_desc; 140 extern struct vnodeopv_desc spec_nfsv2nodeop_opv_desc; 141 extern struct vnodeopv_desc fifo_nfsv2nodeop_opv_desc; 142 extern struct vnodeopv_desc lofs_vnodeop_opv_desc; 143 extern struct vnodeopv_desc fdesc_vnodeop_opv_desc; 144 extern struct vnodeopv_desc portal_vnodeop_opv_desc; 145 extern struct vnodeopv_desc null_vnodeop_opv_desc; 146 extern struct vnodeopv_desc umap_vnodeop_opv_desc; 147 extern struct vnodeopv_desc kernfs_vnodeop_opv_desc; 148 149 struct vnodeopv_desc *vfs_opv_descs[] = { 150 &ffs_vnodeop_opv_desc, 151 &ffs_specop_opv_desc, 152 #ifdef FIFO 153 &ffs_fifoop_opv_desc, 154 #endif 155 &dead_vnodeop_opv_desc, 156 #ifdef FIFO 157 &fifo_vnodeop_opv_desc, 158 #endif 159 &spec_vnodeop_opv_desc, 160 #ifdef LFS 161 &lfs_vnodeop_opv_desc, 162 &lfs_specop_opv_desc, 163 #ifdef FIFO 164 &lfs_fifoop_opv_desc, 165 #endif 166 #endif 167 #ifdef MFS 168 &mfs_vnodeop_opv_desc, 169 #endif 170 #ifdef NFS 171 &nfsv2_vnodeop_opv_desc, 172 &spec_nfsv2nodeop_opv_desc, 173 #ifdef FIFO 174 &fifo_nfsv2nodeop_opv_desc, 175 #endif 176 #endif 177 #ifdef LOFS 178 &lofs_vnodeop_opv_desc, 179 #endif 180 #ifdef FDESC 181 &fdesc_vnodeop_opv_desc, 182 #endif 183 #ifdef PORTAL 184 &portal_vnodeop_opv_desc, 185 #endif 186 #ifdef NULLFS 187 &null_vnodeop_opv_desc, 188 #endif 189 #ifdef UMAPFS 190 &umap_vnodeop_opv_desc, 191 #endif 192 #ifdef KERNFS 193 &kernfs_vnodeop_opv_desc, 194 #endif 195 NULL 196 }; 197