1 /* $NetBSD: v7fs_extern.c,v 1.1 2011/06/27 11:52:24 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 2004, 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: v7fs_extern.c,v 1.1 2011/06/27 11:52:24 uch Exp $"); 34 35 #if defined _KERNEL_OPT 36 #include "opt_v7fs.h" 37 #endif 38 #include <sys/resource.h> 39 #include <sys/param.h> 40 #include <sys/vnode.h> 41 #include <sys/mount.h> 42 #include <sys/module.h> 43 44 #include <miscfs/fifofs/fifo.h> 45 #include <miscfs/genfs/genfs.h> 46 #include <miscfs/genfs/genfs_node.h> 47 48 #include <fs/v7fs/v7fs_extern.h> 49 50 MODULE(MODULE_CLASS_VFS, v7fs, NULL); 51 52 /* External interfaces */ 53 54 int (**v7fs_vnodeop_p)(void *); /* filled by getnewvnode (vnode.h) */ 55 56 const struct vnodeopv_entry_desc v7fs_vnodeop_entries[] = { 57 { &vop_default_desc, vn_default_error }, 58 { &vop_lookup_desc, v7fs_lookup }, /* lookup */ 59 { &vop_create_desc, v7fs_create }, /* create */ 60 { &vop_mknod_desc, v7fs_mknod }, /* mknod */ 61 { &vop_open_desc, v7fs_open }, /* open */ 62 { &vop_close_desc, v7fs_close }, /* close */ 63 { &vop_access_desc, v7fs_access }, /* access */ 64 { &vop_getattr_desc, v7fs_getattr }, /* getattr */ 65 { &vop_setattr_desc, v7fs_setattr }, /* setattr */ 66 { &vop_read_desc, v7fs_read }, /* read */ 67 { &vop_write_desc, v7fs_write }, /* write */ 68 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */ 69 { &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */ 70 { &vop_poll_desc, genfs_poll }, /* poll */ 71 { &vop_kqfilter_desc, genfs_kqfilter }, /* kqfilter */ 72 { &vop_revoke_desc, genfs_revoke }, /* revoke */ 73 { &vop_mmap_desc, genfs_mmap }, /* mmap */ 74 { &vop_fsync_desc, v7fs_fsync }, /* fsync */ 75 { &vop_seek_desc, genfs_seek }, /* seek */ 76 { &vop_remove_desc, v7fs_remove }, /* remove */ 77 { &vop_link_desc, v7fs_link }, /* link */ 78 { &vop_rename_desc, v7fs_rename }, /* rename */ 79 { &vop_mkdir_desc, v7fs_mkdir }, /* mkdir */ 80 { &vop_rmdir_desc, v7fs_rmdir }, /* rmdir */ 81 { &vop_symlink_desc, v7fs_symlink }, /* symlink */ 82 { &vop_readdir_desc, v7fs_readdir }, /* readdir */ 83 { &vop_readlink_desc, v7fs_readlink }, /* readlink */ 84 { &vop_abortop_desc, genfs_abortop }, /* abortop */ 85 { &vop_inactive_desc, v7fs_inactive }, /* inactive */ 86 { &vop_reclaim_desc, v7fs_reclaim }, /* reclaim */ 87 { &vop_lock_desc, genfs_lock }, /* lock */ 88 { &vop_unlock_desc, genfs_unlock }, /* unlock */ 89 { &vop_bmap_desc, v7fs_bmap }, /* bmap */ 90 { &vop_strategy_desc, v7fs_strategy }, /* strategy */ 91 { &vop_print_desc, v7fs_print }, /* print */ 92 { &vop_islocked_desc, genfs_islocked }, /* islocked */ 93 { &vop_pathconf_desc, v7fs_pathconf }, /* pathconf */ 94 { &vop_advlock_desc, v7fs_advlock }, /* advlock */ 95 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 96 { &vop_getpages_desc, genfs_getpages }, /* getpages */ 97 { &vop_putpages_desc, genfs_putpages }, /* putpages */ 98 { NULL, NULL } 99 }; 100 101 102 int (**v7fs_specop_p)(void *); 103 const struct vnodeopv_entry_desc v7fs_specop_entries[] = { 104 { &vop_default_desc, vn_default_error }, 105 { &vop_lookup_desc, spec_lookup }, /* lookup */ 106 { &vop_create_desc, spec_create }, /* create xxx*/ 107 { &vop_mknod_desc, spec_mknod }, /* mknod xxx*/ 108 { &vop_open_desc, spec_open }, /* open */ 109 { &vop_close_desc, spec_close }, /* close */ 110 { &vop_access_desc, v7fs_access }, /* access */ 111 { &vop_getattr_desc, v7fs_getattr }, /* getattr */ 112 { &vop_setattr_desc, v7fs_setattr }, /* setattr */ 113 { &vop_read_desc, spec_read }, /* read */ 114 { &vop_write_desc, spec_write }, /* write */ 115 { &vop_ioctl_desc, spec_ioctl }, /* ioctl */ 116 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */ 117 { &vop_poll_desc, spec_poll }, /* poll */ 118 { &vop_kqfilter_desc, spec_kqfilter }, /* kqfilter */ 119 { &vop_revoke_desc, spec_revoke }, /* revoke */ 120 { &vop_mmap_desc, spec_mmap }, /* mmap */ 121 { &vop_fsync_desc, spec_fsync }, /* fsync */ 122 { &vop_seek_desc, spec_seek }, /* seek */ 123 { &vop_remove_desc, spec_remove }, /* remove */ 124 { &vop_link_desc, spec_link }, /* link */ 125 { &vop_rename_desc, spec_rename }, /* rename */ 126 { &vop_mkdir_desc, spec_mkdir }, /* mkdir */ 127 { &vop_rmdir_desc, spec_rmdir }, /* rmdir */ 128 { &vop_symlink_desc, spec_symlink }, /* symlink */ 129 { &vop_readdir_desc, spec_readdir }, /* readdir */ 130 { &vop_readlink_desc, spec_readlink }, /* readlink */ 131 { &vop_abortop_desc, spec_abortop }, /* abortop */ 132 { &vop_inactive_desc, v7fs_inactive }, /* inactive */ 133 { &vop_reclaim_desc, v7fs_reclaim }, /* reclaim */ 134 { &vop_lock_desc, genfs_lock }, /* lock */ 135 { &vop_unlock_desc, genfs_unlock }, /* unlock */ 136 { &vop_bmap_desc, spec_bmap }, /* bmap */ 137 { &vop_strategy_desc, spec_strategy }, /* strategy */ 138 { &vop_print_desc, spec_print }, /* print */ 139 { &vop_islocked_desc, genfs_islocked }, /* islocked */ 140 { &vop_pathconf_desc, spec_pathconf }, /* pathconf */ 141 { &vop_advlock_desc, spec_advlock }, /* advlock */ 142 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 143 { &vop_getpages_desc, spec_getpages }, /* getpages */ 144 { &vop_putpages_desc, spec_putpages }, /* putpages */ 145 { NULL, NULL } 146 }; 147 148 int (**v7fs_fifoop_p)(void *); 149 const struct vnodeopv_entry_desc v7fs_fifoop_entries[] = { 150 { &vop_default_desc, vn_default_error }, 151 { &vop_lookup_desc, vn_fifo_bypass }, /* lookup */ 152 { &vop_create_desc, vn_fifo_bypass }, /* create */ 153 { &vop_mknod_desc, vn_fifo_bypass }, /* mknod */ 154 { &vop_open_desc, vn_fifo_bypass }, /* open */ 155 { &vop_close_desc, vn_fifo_bypass }, /* close */ 156 { &vop_access_desc, v7fs_access }, /* access */ 157 { &vop_getattr_desc, v7fs_getattr }, /* getattr */ 158 { &vop_setattr_desc, v7fs_setattr }, /* setattr */ 159 { &vop_read_desc, vn_fifo_bypass }, /* read */ 160 { &vop_write_desc, vn_fifo_bypass }, /* write */ 161 { &vop_ioctl_desc, vn_fifo_bypass }, /* ioctl */ 162 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */ 163 { &vop_poll_desc, vn_fifo_bypass }, /* poll */ 164 { &vop_kqfilter_desc, vn_fifo_bypass }, /* kqfilter */ 165 { &vop_revoke_desc, vn_fifo_bypass }, /* revoke */ 166 { &vop_mmap_desc, vn_fifo_bypass }, /* mmap */ 167 { &vop_fsync_desc, vn_fifo_bypass }, /* fsync */ 168 { &vop_seek_desc, vn_fifo_bypass }, /* seek */ 169 { &vop_remove_desc, vn_fifo_bypass }, /* remove */ 170 { &vop_link_desc, vn_fifo_bypass }, /* link */ 171 { &vop_rename_desc, vn_fifo_bypass }, /* rename */ 172 { &vop_mkdir_desc, vn_fifo_bypass }, /* mkdir */ 173 { &vop_rmdir_desc, vn_fifo_bypass }, /* rmdir */ 174 { &vop_symlink_desc, vn_fifo_bypass }, /* symlink */ 175 { &vop_readdir_desc, vn_fifo_bypass }, /* readdir */ 176 { &vop_readlink_desc, vn_fifo_bypass }, /* readlink */ 177 { &vop_abortop_desc, vn_fifo_bypass }, /* abortop */ 178 { &vop_inactive_desc, v7fs_inactive }, /* inactive */ 179 { &vop_reclaim_desc, v7fs_reclaim }, /* reclaim */ 180 { &vop_lock_desc, vn_fifo_bypass }, /* lock */ 181 { &vop_unlock_desc, vn_fifo_bypass }, /* unlock */ 182 { &vop_bmap_desc, vn_fifo_bypass }, /* bmap */ 183 { &vop_strategy_desc, vn_fifo_bypass }, /* strategy */ 184 { &vop_print_desc, vn_fifo_bypass }, /* print */ 185 { &vop_islocked_desc, vn_fifo_bypass }, /* islocked */ 186 { &vop_pathconf_desc, vn_fifo_bypass }, /* pathconf */ 187 { &vop_advlock_desc, vn_fifo_bypass }, /* advlock */ 188 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 189 { &vop_putpages_desc, vn_fifo_bypass }, /* putpages */ 190 { NULL, NULL } 191 }; 192 193 const struct vnodeopv_desc v7fs_fifoop_opv_desc = { 194 &v7fs_fifoop_p, 195 v7fs_fifoop_entries 196 }; 197 198 const struct vnodeopv_desc v7fs_vnodeop_opv_desc = { 199 &v7fs_vnodeop_p, 200 v7fs_vnodeop_entries 201 }; 202 203 const struct vnodeopv_desc v7fs_specop_opv_desc = { 204 &v7fs_specop_p, 205 v7fs_specop_entries 206 }; 207 208 const struct vnodeopv_desc *v7fs_vnodeopv_descs[] = { 209 &v7fs_vnodeop_opv_desc, 210 &v7fs_specop_opv_desc, 211 &v7fs_fifoop_opv_desc, 212 NULL, 213 }; 214 215 const struct genfs_ops v7fs_genfsops = { 216 .gop_size = genfs_size, 217 .gop_alloc = v7fs_gop_alloc, 218 .gop_write = genfs_gop_write, 219 }; 220 221 struct vfsops v7fs_vfsops = { 222 MOUNT_V7FS, 223 sizeof(struct v7fs_args), 224 v7fs_mount, 225 v7fs_start, 226 v7fs_unmount, 227 v7fs_root, 228 (void *)eopnotsupp, /* vfs_quotactl */ 229 v7fs_statvfs, 230 v7fs_sync, 231 v7fs_vget, 232 v7fs_fhtovp, 233 v7fs_vptofh, 234 v7fs_init, 235 v7fs_reinit, 236 v7fs_done, 237 v7fs_mountroot, 238 (int (*)(struct mount *, struct vnode *, struct timespec *)) 239 eopnotsupp, /* snapshot */ 240 vfs_stdextattrctl, 241 (void *)eopnotsupp, /* vfs_suspendctl */ 242 genfs_renamelock_enter, 243 genfs_renamelock_exit, 244 (void *)eopnotsupp, 245 v7fs_vnodeopv_descs, 246 0, 247 { NULL, NULL } 248 }; 249 250 static int 251 v7fs_modcmd(modcmd_t cmd, void *arg) 252 { 253 254 switch (cmd) { 255 case MODULE_CMD_INIT: 256 return vfs_attach(&v7fs_vfsops); 257 case MODULE_CMD_FINI: 258 return vfs_detach(&v7fs_vfsops); 259 default: 260 return ENOTTY; 261 } 262 } 263