xref: /netbsd-src/sys/fs/v7fs/v7fs_extern.c (revision d819c3614faf5d21b8b043796d9e9ed85639cca5)
1*d819c361Sdholland /*	$NetBSD: v7fs_extern.c,v 1.9 2021/07/18 23:56:13 dholland Exp $	*/
29255b46fSuch 
39255b46fSuch /*-
49255b46fSuch  * Copyright (c) 2004, 2011 The NetBSD Foundation, Inc.
59255b46fSuch  * All rights reserved.
69255b46fSuch  *
79255b46fSuch  * This code is derived from software contributed to The NetBSD Foundation
89255b46fSuch  * by UCHIYAMA Yasushi.
99255b46fSuch  *
109255b46fSuch  * Redistribution and use in source and binary forms, with or without
119255b46fSuch  * modification, are permitted provided that the following conditions
129255b46fSuch  * are met:
139255b46fSuch  * 1. Redistributions of source code must retain the above copyright
149255b46fSuch  *    notice, this list of conditions and the following disclaimer.
159255b46fSuch  * 2. Redistributions in binary form must reproduce the above copyright
169255b46fSuch  *    notice, this list of conditions and the following disclaimer in the
179255b46fSuch  *    documentation and/or other materials provided with the distribution.
189255b46fSuch  *
199255b46fSuch  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
209255b46fSuch  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
219255b46fSuch  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
229255b46fSuch  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
239255b46fSuch  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
249255b46fSuch  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
259255b46fSuch  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
269255b46fSuch  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
279255b46fSuch  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
289255b46fSuch  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
299255b46fSuch  * POSSIBILITY OF SUCH DAMAGE.
309255b46fSuch  */
319255b46fSuch 
329255b46fSuch #include <sys/cdefs.h>
33*d819c361Sdholland __KERNEL_RCSID(0, "$NetBSD: v7fs_extern.c,v 1.9 2021/07/18 23:56:13 dholland Exp $");
349255b46fSuch 
359255b46fSuch #if defined _KERNEL_OPT
369255b46fSuch #include "opt_v7fs.h"
379255b46fSuch #endif
389255b46fSuch #include <sys/resource.h>
399255b46fSuch #include <sys/param.h>
409255b46fSuch #include <sys/vnode.h>
419255b46fSuch #include <sys/mount.h>
429255b46fSuch #include <sys/module.h>
439255b46fSuch 
449255b46fSuch #include <miscfs/fifofs/fifo.h>
459255b46fSuch #include <miscfs/genfs/genfs.h>
469255b46fSuch #include <miscfs/genfs/genfs_node.h>
479255b46fSuch 
489255b46fSuch #include <fs/v7fs/v7fs_extern.h>
499255b46fSuch 
509255b46fSuch MODULE(MODULE_CLASS_VFS, v7fs, NULL);
519255b46fSuch 
529255b46fSuch /* External interfaces */
539255b46fSuch 
549255b46fSuch int (**v7fs_vnodeop_p)(void *);	/* filled by getnewvnode (vnode.h) */
559255b46fSuch 
569255b46fSuch const struct vnodeopv_entry_desc v7fs_vnodeop_entries[] = {
579255b46fSuch 	{ &vop_default_desc, vn_default_error },
58c6c16cd0Sdholland 	{ &vop_parsepath_desc, genfs_parsepath },	/* parsepath */
599255b46fSuch 	{ &vop_lookup_desc, v7fs_lookup },		/* lookup */
609255b46fSuch 	{ &vop_create_desc, v7fs_create },		/* create */
619255b46fSuch 	{ &vop_mknod_desc, v7fs_mknod },		/* mknod */
629255b46fSuch 	{ &vop_open_desc, v7fs_open },			/* open */
639255b46fSuch 	{ &vop_close_desc, v7fs_close },		/* close */
649255b46fSuch 	{ &vop_access_desc, v7fs_access },		/* access */
659aa2a9c3Schristos 	{ &vop_accessx_desc, genfs_accessx },		/* accessx */
669255b46fSuch 	{ &vop_getattr_desc, v7fs_getattr },		/* getattr */
679255b46fSuch 	{ &vop_setattr_desc, v7fs_setattr },		/* setattr */
689255b46fSuch 	{ &vop_read_desc, v7fs_read },			/* read */
699255b46fSuch 	{ &vop_write_desc, v7fs_write },		/* write */
7005d075b3Sdholland 	{ &vop_fallocate_desc, genfs_eopnotsupp },	/* fallocate */
7105d075b3Sdholland 	{ &vop_fdiscard_desc, genfs_eopnotsupp },	/* fdiscard */
729255b46fSuch 	{ &vop_fcntl_desc, genfs_fcntl },		/* fcntl */
739255b46fSuch 	{ &vop_ioctl_desc, genfs_enoioctl },		/* ioctl */
749255b46fSuch 	{ &vop_poll_desc, genfs_poll },			/* poll */
759255b46fSuch 	{ &vop_kqfilter_desc, genfs_kqfilter },		/* kqfilter */
769255b46fSuch 	{ &vop_revoke_desc, genfs_revoke },		/* revoke */
779255b46fSuch 	{ &vop_mmap_desc, genfs_mmap },			/* mmap */
789255b46fSuch 	{ &vop_fsync_desc, v7fs_fsync },		/* fsync */
799255b46fSuch 	{ &vop_seek_desc, genfs_seek },			/* seek */
809255b46fSuch 	{ &vop_remove_desc, v7fs_remove },		/* remove */
819255b46fSuch 	{ &vop_link_desc, v7fs_link },			/* link */
829255b46fSuch 	{ &vop_rename_desc, v7fs_rename },		/* rename */
839255b46fSuch 	{ &vop_mkdir_desc, v7fs_mkdir },		/* mkdir */
849255b46fSuch 	{ &vop_rmdir_desc, v7fs_rmdir },		/* rmdir */
859255b46fSuch 	{ &vop_symlink_desc, v7fs_symlink },		/* symlink */
869255b46fSuch 	{ &vop_readdir_desc, v7fs_readdir },		/* readdir */
879255b46fSuch 	{ &vop_readlink_desc, v7fs_readlink },		/* readlink */
889255b46fSuch 	{ &vop_abortop_desc, genfs_abortop },		/* abortop */
899255b46fSuch 	{ &vop_inactive_desc, v7fs_inactive },		/* inactive */
909255b46fSuch 	{ &vop_reclaim_desc, v7fs_reclaim },		/* reclaim */
919255b46fSuch 	{ &vop_lock_desc, genfs_lock },			/* lock */
929255b46fSuch 	{ &vop_unlock_desc, genfs_unlock },		/* unlock */
939255b46fSuch 	{ &vop_bmap_desc, v7fs_bmap },			/* bmap */
949255b46fSuch 	{ &vop_strategy_desc, v7fs_strategy },		/* strategy */
959255b46fSuch 	{ &vop_print_desc, v7fs_print },		/* print */
969255b46fSuch 	{ &vop_islocked_desc, genfs_islocked },		/* islocked */
979255b46fSuch 	{ &vop_pathconf_desc, v7fs_pathconf },		/* pathconf */
989255b46fSuch 	{ &vop_advlock_desc, v7fs_advlock },		/* advlock */
999255b46fSuch 	{ &vop_bwrite_desc, vn_bwrite },		/* bwrite */
1009255b46fSuch 	{ &vop_getpages_desc, genfs_getpages },		/* getpages */
1019255b46fSuch 	{ &vop_putpages_desc, genfs_putpages },		/* putpages */
1029255b46fSuch 	{ NULL, NULL }
1039255b46fSuch };
1049255b46fSuch 
1059255b46fSuch 
1069255b46fSuch int (**v7fs_specop_p)(void *);
1079255b46fSuch const struct vnodeopv_entry_desc v7fs_specop_entries[] = {
1089255b46fSuch 	{ &vop_default_desc, vn_default_error },
109*d819c361Sdholland 	GENFS_SPECOP_ENTRIES,
1109255b46fSuch 	{ &vop_close_desc, spec_close },		/* close */
1119255b46fSuch 	{ &vop_access_desc, v7fs_access },		/* access */
1129aa2a9c3Schristos 	{ &vop_accessx_desc, genfs_accessx },		/* accessx */
1139255b46fSuch 	{ &vop_getattr_desc, v7fs_getattr },		/* getattr */
1149255b46fSuch 	{ &vop_setattr_desc, v7fs_setattr },		/* setattr */
1159255b46fSuch 	{ &vop_read_desc, spec_read },			/* read */
1169255b46fSuch 	{ &vop_write_desc, spec_write },		/* write */
1179255b46fSuch 	{ &vop_fcntl_desc, genfs_fcntl },		/* fcntl */
1189255b46fSuch 	{ &vop_fsync_desc, spec_fsync },		/* fsync */
1199255b46fSuch 	{ &vop_inactive_desc, v7fs_inactive },		/* inactive */
1209255b46fSuch 	{ &vop_reclaim_desc, v7fs_reclaim },		/* reclaim */
1219255b46fSuch 	{ &vop_lock_desc, genfs_lock },			/* lock */
1229255b46fSuch 	{ &vop_unlock_desc, genfs_unlock },		/* unlock */
1239255b46fSuch 	{ &vop_print_desc, spec_print },		/* print */
1249255b46fSuch 	{ &vop_islocked_desc, genfs_islocked },		/* islocked */
1259255b46fSuch 	{ &vop_bwrite_desc, vn_bwrite },		/* bwrite */
1269255b46fSuch 	{ NULL, NULL }
1279255b46fSuch };
1289255b46fSuch 
1299255b46fSuch int (**v7fs_fifoop_p)(void *);
1309255b46fSuch const struct vnodeopv_entry_desc v7fs_fifoop_entries[] = {
1319255b46fSuch 	{ &vop_default_desc, vn_default_error },
132*d819c361Sdholland 	GENFS_FIFOOP_ENTRIES,
1339255b46fSuch 	{ &vop_close_desc, vn_fifo_bypass },		/* close */
1349255b46fSuch 	{ &vop_access_desc, v7fs_access },		/* access */
1359aa2a9c3Schristos 	{ &vop_accessx_desc, genfs_accessx },		/* accessx */
1369255b46fSuch 	{ &vop_getattr_desc, v7fs_getattr },		/* getattr */
1379255b46fSuch 	{ &vop_setattr_desc, v7fs_setattr },		/* setattr */
1389255b46fSuch 	{ &vop_read_desc, vn_fifo_bypass },		/* read */
1399255b46fSuch 	{ &vop_write_desc, vn_fifo_bypass },		/* write */
1409255b46fSuch 	{ &vop_fcntl_desc, genfs_fcntl },		/* fcntl */
1419255b46fSuch 	{ &vop_fsync_desc, vn_fifo_bypass },		/* fsync */
1429255b46fSuch 	{ &vop_inactive_desc, v7fs_inactive },		/* inactive */
1439255b46fSuch 	{ &vop_reclaim_desc, v7fs_reclaim },		/* reclaim */
1449255b46fSuch 	{ &vop_lock_desc, vn_fifo_bypass },		/* lock */
1459255b46fSuch 	{ &vop_unlock_desc, vn_fifo_bypass },		/* unlock */
1469255b46fSuch 	{ &vop_strategy_desc, vn_fifo_bypass },		/* strategy */
1479255b46fSuch 	{ &vop_print_desc, vn_fifo_bypass },		/* print */
1489255b46fSuch 	{ &vop_islocked_desc, vn_fifo_bypass },		/* islocked */
1499255b46fSuch 	{ &vop_bwrite_desc, vn_bwrite },		/* bwrite */
1509255b46fSuch 	{ NULL, NULL }
1519255b46fSuch };
1529255b46fSuch 
1539255b46fSuch const struct vnodeopv_desc v7fs_fifoop_opv_desc = {
1549255b46fSuch 	&v7fs_fifoop_p,
1559255b46fSuch 	v7fs_fifoop_entries
1569255b46fSuch };
1579255b46fSuch 
1589255b46fSuch const struct vnodeopv_desc v7fs_vnodeop_opv_desc = {
1599255b46fSuch 	&v7fs_vnodeop_p,
1609255b46fSuch 	v7fs_vnodeop_entries
1619255b46fSuch };
1629255b46fSuch 
1639255b46fSuch const struct vnodeopv_desc v7fs_specop_opv_desc = {
1649255b46fSuch 	&v7fs_specop_p,
1659255b46fSuch 	v7fs_specop_entries
1669255b46fSuch };
1679255b46fSuch 
1689255b46fSuch const struct vnodeopv_desc *v7fs_vnodeopv_descs[] = {
1699255b46fSuch 	&v7fs_vnodeop_opv_desc,
1709255b46fSuch 	&v7fs_specop_opv_desc,
1719255b46fSuch 	&v7fs_fifoop_opv_desc,
1729255b46fSuch 	NULL,
1739255b46fSuch };
1749255b46fSuch 
1759255b46fSuch const struct genfs_ops v7fs_genfsops = {
1769255b46fSuch 	.gop_size = genfs_size,
1779255b46fSuch 	.gop_alloc = v7fs_gop_alloc,
1789255b46fSuch 	.gop_write = genfs_gop_write,
179e406c140Schs 	.gop_putrange = genfs_gop_putrange,
1809255b46fSuch };
1819255b46fSuch 
1829255b46fSuch struct vfsops v7fs_vfsops = {
1836d285189Shannken 	.vfs_name = MOUNT_V7FS,
1846d285189Shannken 	.vfs_min_mount_data = sizeof(struct v7fs_args),
1856d285189Shannken 	.vfs_mount = v7fs_mount,
1866d285189Shannken 	.vfs_start = v7fs_start,
1876d285189Shannken 	.vfs_unmount = v7fs_unmount,
1886d285189Shannken 	.vfs_root = v7fs_root,
1896d285189Shannken 	.vfs_quotactl = (void *)eopnotsupp,
1906d285189Shannken 	.vfs_statvfs = v7fs_statvfs,
1916d285189Shannken 	.vfs_sync = v7fs_sync,
1926d285189Shannken 	.vfs_vget = v7fs_vget,
1939837a8c2Shannken 	.vfs_loadvnode = v7fs_loadvnode,
1946d285189Shannken 	.vfs_fhtovp = v7fs_fhtovp,
1956d285189Shannken 	.vfs_vptofh = v7fs_vptofh,
1966d285189Shannken 	.vfs_init = v7fs_init,
1976d285189Shannken 	.vfs_reinit = v7fs_reinit,
1986d285189Shannken 	.vfs_done = v7fs_done,
1996d285189Shannken 	.vfs_mountroot = v7fs_mountroot,
2006d285189Shannken 	.vfs_snapshot = (void *)eopnotsupp,
2016d285189Shannken 	.vfs_extattrctl = vfs_stdextattrctl,
202326db3aaShannken 	.vfs_suspendctl = genfs_suspendctl,
2036d285189Shannken 	.vfs_renamelock_enter = genfs_renamelock_enter,
2046d285189Shannken 	.vfs_renamelock_exit = genfs_renamelock_exit,
2056d285189Shannken 	.vfs_fsync = (void *)eopnotsupp,
2066d285189Shannken 	.vfs_opv_descs = v7fs_vnodeopv_descs
2079255b46fSuch };
2089255b46fSuch 
2099255b46fSuch static int
v7fs_modcmd(modcmd_t cmd,void * arg)2109255b46fSuch v7fs_modcmd(modcmd_t cmd, void *arg)
2119255b46fSuch {
2129255b46fSuch 
2139255b46fSuch 	switch (cmd) {
2149255b46fSuch 	case MODULE_CMD_INIT:
2159255b46fSuch 		return vfs_attach(&v7fs_vfsops);
2169255b46fSuch 	case MODULE_CMD_FINI:
2179255b46fSuch 		return vfs_detach(&v7fs_vfsops);
2189255b46fSuch 	default:
2199255b46fSuch 		return ENOTTY;
2209255b46fSuch 	}
2219255b46fSuch }
222