1 /* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)vfs_conf.c 7.14 (Berkeley) 07/06/92 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 struct vfsops *vfssw[] = { 84 NULL, /* 0 = MOUNT_NONE */ 85 UFS_VFSOPS, /* 1 = MOUNT_UFS */ 86 NFS_VFSOPS, /* 2 = MOUNT_NFS */ 87 MFS_VFSOPS, /* 3 = MOUNT_MFS */ 88 NULL, /* 4 = MOUNT_PC */ 89 LFS_VFSOPS, /* 5 = MOUNT_LFS */ 90 LOFS_VFSOPS, /* 6 = MOUNT_LOFS */ 91 FDESC_VFSOPS, /* 7 = MOUNT_FDESC */ 92 PORTAL_VFSOPS, /* 8 = MOUNT_PORTAL */ 93 }; 94 95 96 /* 97 * 98 * vfs_opv_descs enumerates the list of vnode classes, each with it's own 99 * vnode operation vector. It is consulted at system boot to build operation 100 * vectors. It is NULL terminated. 101 * 102 * Out-of-kernel, someone else (more knowlegable about what file systems live 103 * in this address space) must specify this table. 104 */ 105 extern struct vnodeopv_desc ffs_vnodeop_opv_desc; 106 extern struct vnodeopv_desc ffs_specop_opv_desc; 107 extern struct vnodeopv_desc ffs_fifoop_opv_desc; 108 extern struct vnodeopv_desc lfs_vnodeop_opv_desc; 109 extern struct vnodeopv_desc lfs_specop_opv_desc; 110 extern struct vnodeopv_desc lfs_fifoop_opv_desc; 111 extern struct vnodeopv_desc mfs_vnodeop_opv_desc; 112 extern struct vnodeopv_desc dead_vnodeop_opv_desc; 113 extern struct vnodeopv_desc fifo_vnodeop_opv_desc; 114 extern struct vnodeopv_desc spec_vnodeop_opv_desc; 115 extern struct vnodeopv_desc nfsv2_vnodeop_opv_desc; 116 extern struct vnodeopv_desc spec_nfsv2nodeop_opv_desc; 117 extern struct vnodeopv_desc fifo_nfsv2nodeop_opv_desc; 118 extern struct vnodeopv_desc lofs_vnodeop_opv_desc; 119 extern struct vnodeopv_desc fdesc_vnodeop_opv_desc; 120 extern struct vnodeopv_desc portal_vnodeop_opv_desc; 121 122 struct vnodeopv_desc *vfs_opv_descs[] = { 123 &ffs_vnodeop_opv_desc, 124 &ffs_specop_opv_desc, 125 #ifdef FIFO 126 &ffs_fifoop_opv_desc, 127 #endif 128 &dead_vnodeop_opv_desc, 129 #ifdef FIFO 130 &fifo_vnodeop_opv_desc, 131 #endif 132 &spec_vnodeop_opv_desc, 133 #ifdef LFS 134 &lfs_vnodeop_opv_desc, 135 &lfs_specop_opv_desc, 136 #ifdef FIFO 137 &lfs_fifoop_opv_desc, 138 #endif 139 #endif 140 #ifdef MFS 141 &mfs_vnodeop_opv_desc, 142 #endif 143 #ifdef NFS 144 &nfsv2_vnodeop_opv_desc, 145 &spec_nfsv2nodeop_opv_desc, 146 #ifdef FIFO 147 &fifo_nfsv2nodeop_opv_desc, 148 #endif 149 #endif 150 #ifdef LOFS 151 &lofs_vnodeop_opv_desc, 152 #endif 153 #ifdef FDESC 154 &fdesc_vnodeop_opv_desc, 155 #endif 156 #ifdef PORTAL 157 &portal_vnodeop_opv_desc, 158 #endif 159 NULL 160 }; 161