1/* $NetBSD: v7fs_extern.c,v 1.9 2021/07/18 23:56:13 dholland 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 1.9 2021/07/18 23:56:13 dholland 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 50MODULE(MODULE_CLASS_VFS, v7fs, NULL); 51 52/* External interfaces */ 53 54int (**v7fs_vnodeop_p)(void *); /* filled by getnewvnode (vnode.h) */ 55 56const struct vnodeopv_entry_desc v7fs_vnodeop_entries[] = { 57 { &vop_default_desc, vn_default_error }, 58 { &vop_parsepath_desc, genfs_parsepath }, /* parsepath */ 59 { &vop_lookup_desc, v7fs_lookup }, /* lookup */ 60 { &vop_create_desc, v7fs_create }, /* create */ 61 { &vop_mknod_desc, v7fs_mknod }, /* mknod */ 62 { &vop_open_desc, v7fs_open }, /* open */ 63 { &vop_close_desc, v7fs_close }, /* close */ 64 { &vop_access_desc, v7fs_access }, /* access */ 65 { &vop_accessx_desc, genfs_accessx }, /* accessx */ 66 { &vop_getattr_desc, v7fs_getattr }, /* getattr */ 67 { &vop_setattr_desc, v7fs_setattr }, /* setattr */ 68 { &vop_read_desc, v7fs_read }, /* read */ 69 { &vop_write_desc, v7fs_write }, /* write */ 70 { &vop_fallocate_desc, genfs_eopnotsupp }, /* fallocate */ 71 { &vop_fdiscard_desc, genfs_eopnotsupp }, /* fdiscard */ 72 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */ 73 { &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */ 74 { &vop_poll_desc, genfs_poll }, /* poll */ 75 { &vop_kqfilter_desc, genfs_kqfilter }, /* kqfilter */ 76 { &vop_revoke_desc, genfs_revoke }, /* revoke */ 77 { &vop_mmap_desc, genfs_mmap }, /* mmap */ 78 { &vop_fsync_desc, v7fs_fsync }, /* fsync */ 79 { &vop_seek_desc, genfs_seek }, /* seek */ 80 { &vop_remove_desc, v7fs_remove }, /* remove */ 81 { &vop_link_desc, v7fs_link }, /* link */ 82 { &vop_rename_desc, v7fs_rename }, /* rename */ 83 { &vop_mkdir_desc, v7fs_mkdir }, /* mkdir */ 84 { &vop_rmdir_desc, v7fs_rmdir }, /* rmdir */ 85 { &vop_symlink_desc, v7fs_symlink }, /* symlink */ 86 { &vop_readdir_desc, v7fs_readdir }, /* readdir */ 87 { &vop_readlink_desc, v7fs_readlink }, /* readlink */ 88 { &vop_abortop_desc, genfs_abortop }, /* abortop */ 89 { &vop_inactive_desc, v7fs_inactive }, /* inactive */ 90 { &vop_reclaim_desc, v7fs_reclaim }, /* reclaim */ 91 { &vop_lock_desc, genfs_lock }, /* lock */ 92 { &vop_unlock_desc, genfs_unlock }, /* unlock */ 93 { &vop_bmap_desc, v7fs_bmap }, /* bmap */ 94 { &vop_strategy_desc, v7fs_strategy }, /* strategy */ 95 { &vop_print_desc, v7fs_print }, /* print */ 96 { &vop_islocked_desc, genfs_islocked }, /* islocked */ 97 { &vop_pathconf_desc, v7fs_pathconf }, /* pathconf */ 98 { &vop_advlock_desc, v7fs_advlock }, /* advlock */ 99 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 100 { &vop_getpages_desc, genfs_getpages }, /* getpages */ 101 { &vop_putpages_desc, genfs_putpages }, /* putpages */ 102 { NULL, NULL } 103}; 104 105 106int (**v7fs_specop_p)(void *); 107const struct vnodeopv_entry_desc v7fs_specop_entries[] = { 108 { &vop_default_desc, vn_default_error }, 109 GENFS_SPECOP_ENTRIES, 110 { &vop_close_desc, spec_close }, /* close */ 111 { &vop_access_desc, v7fs_access }, /* access */ 112 { &vop_accessx_desc, genfs_accessx }, /* accessx */ 113 { &vop_getattr_desc, v7fs_getattr }, /* getattr */ 114 { &vop_setattr_desc, v7fs_setattr }, /* setattr */ 115 { &vop_read_desc, spec_read }, /* read */ 116 { &vop_write_desc, spec_write }, /* write */ 117 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */ 118 { &vop_fsync_desc, spec_fsync }, /* fsync */ 119 { &vop_inactive_desc, v7fs_inactive }, /* inactive */ 120 { &vop_reclaim_desc, v7fs_reclaim }, /* reclaim */ 121 { &vop_lock_desc, genfs_lock }, /* lock */ 122 { &vop_unlock_desc, genfs_unlock }, /* unlock */ 123 { &vop_print_desc, spec_print }, /* print */ 124 { &vop_islocked_desc, genfs_islocked }, /* islocked */ 125 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 126 { NULL, NULL } 127}; 128 129int (**v7fs_fifoop_p)(void *); 130const struct vnodeopv_entry_desc v7fs_fifoop_entries[] = { 131 { &vop_default_desc, vn_default_error }, 132 GENFS_FIFOOP_ENTRIES, 133 { &vop_close_desc, vn_fifo_bypass }, /* close */ 134 { &vop_access_desc, v7fs_access }, /* access */ 135 { &vop_accessx_desc, genfs_accessx }, /* accessx */ 136 { &vop_getattr_desc, v7fs_getattr }, /* getattr */ 137 { &vop_setattr_desc, v7fs_setattr }, /* setattr */ 138 { &vop_read_desc, vn_fifo_bypass }, /* read */ 139 { &vop_write_desc, vn_fifo_bypass }, /* write */ 140 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */ 141 { &vop_fsync_desc, vn_fifo_bypass }, /* fsync */ 142 { &vop_inactive_desc, v7fs_inactive }, /* inactive */ 143 { &vop_reclaim_desc, v7fs_reclaim }, /* reclaim */ 144 { &vop_lock_desc, vn_fifo_bypass }, /* lock */ 145 { &vop_unlock_desc, vn_fifo_bypass }, /* unlock */ 146 { &vop_strategy_desc, vn_fifo_bypass }, /* strategy */ 147 { &vop_print_desc, vn_fifo_bypass }, /* print */ 148 { &vop_islocked_desc, vn_fifo_bypass }, /* islocked */ 149 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 150 { NULL, NULL } 151}; 152 153const struct vnodeopv_desc v7fs_fifoop_opv_desc = { 154 &v7fs_fifoop_p, 155 v7fs_fifoop_entries 156}; 157 158const struct vnodeopv_desc v7fs_vnodeop_opv_desc = { 159 &v7fs_vnodeop_p, 160 v7fs_vnodeop_entries 161}; 162 163const struct vnodeopv_desc v7fs_specop_opv_desc = { 164 &v7fs_specop_p, 165 v7fs_specop_entries 166}; 167 168const struct vnodeopv_desc *v7fs_vnodeopv_descs[] = { 169 &v7fs_vnodeop_opv_desc, 170 &v7fs_specop_opv_desc, 171 &v7fs_fifoop_opv_desc, 172 NULL, 173}; 174 175const struct genfs_ops v7fs_genfsops = { 176 .gop_size = genfs_size, 177 .gop_alloc = v7fs_gop_alloc, 178 .gop_write = genfs_gop_write, 179 .gop_putrange = genfs_gop_putrange, 180}; 181 182struct vfsops v7fs_vfsops = { 183 .vfs_name = MOUNT_V7FS, 184 .vfs_min_mount_data = sizeof(struct v7fs_args), 185 .vfs_mount = v7fs_mount, 186 .vfs_start = v7fs_start, 187 .vfs_unmount = v7fs_unmount, 188 .vfs_root = v7fs_root, 189 .vfs_quotactl = (void *)eopnotsupp, 190 .vfs_statvfs = v7fs_statvfs, 191 .vfs_sync = v7fs_sync, 192 .vfs_vget = v7fs_vget, 193 .vfs_loadvnode = v7fs_loadvnode, 194 .vfs_fhtovp = v7fs_fhtovp, 195 .vfs_vptofh = v7fs_vptofh, 196 .vfs_init = v7fs_init, 197 .vfs_reinit = v7fs_reinit, 198 .vfs_done = v7fs_done, 199 .vfs_mountroot = v7fs_mountroot, 200 .vfs_snapshot = (void *)eopnotsupp, 201 .vfs_extattrctl = vfs_stdextattrctl, 202 .vfs_suspendctl = genfs_suspendctl, 203 .vfs_renamelock_enter = genfs_renamelock_enter, 204 .vfs_renamelock_exit = genfs_renamelock_exit, 205 .vfs_fsync = (void *)eopnotsupp, 206 .vfs_opv_descs = v7fs_vnodeopv_descs 207}; 208 209static int 210v7fs_modcmd(modcmd_t cmd, void *arg) 211{ 212 213 switch (cmd) { 214 case MODULE_CMD_INIT: 215 return vfs_attach(&v7fs_vfsops); 216 case MODULE_CMD_FINI: 217 return vfs_detach(&v7fs_vfsops); 218 default: 219 return ENOTTY; 220 } 221} 222