1168404Spjd/*- 2168404Spjd * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3168404Spjd * All rights reserved. 4168404Spjd * 5168404Spjd * Redistribution and use in source and binary forms, with or without 6168404Spjd * modification, are permitted provided that the following conditions 7168404Spjd * are met: 8168404Spjd * 1. Redistributions of source code must retain the above copyright 9168404Spjd * notice, this list of conditions and the following disclaimer. 10168404Spjd * 2. Redistributions in binary form must reproduce the above copyright 11168404Spjd * notice, this list of conditions and the following disclaimer in the 12168404Spjd * documentation and/or other materials provided with the distribution. 13168404Spjd * 14168404Spjd * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15168404Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16168404Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17168404Spjd * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18168404Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19168404Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20168404Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21168404Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22168404Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23168404Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24168404Spjd * SUCH DAMAGE. 25168404Spjd * 26168404Spjd * $FreeBSD$ 27168404Spjd */ 28168404Spjd 29168404Spjd#ifndef _OPENSOLARIS_SYS_VFS_H_ 30168404Spjd#define _OPENSOLARIS_SYS_VFS_H_ 31168404Spjd 32168404Spjd#include <sys/param.h> 33168404Spjd 34168404Spjd#ifdef _KERNEL 35168404Spjd 36168404Spjd#include <sys/mount.h> 37168404Spjd#include <sys/vnode.h> 38168404Spjd 39168404Spjd#define rootdir rootvnode 40168404Spjd 41168404Spjdtypedef struct mount vfs_t; 42168404Spjd 43168404Spjd#define vfs_flag mnt_flag 44168404Spjd#define vfs_data mnt_data 45168404Spjd#define vfs_count mnt_ref 46168404Spjd#define vfs_fsid mnt_stat.f_fsid 47168404Spjd#define vfs_bsize mnt_stat.f_bsize 48185029Spjd#define vfs_resource mnt_stat.f_mntfromname 49168404Spjd 50168404Spjd#define v_flag v_vflag 51168404Spjd#define v_vfsp v_mount 52168404Spjd 53168404Spjd#define VFS_RDONLY MNT_RDONLY 54168404Spjd#define VFS_NOSETUID MNT_NOSUID 55168404Spjd#define VFS_NOEXEC MNT_NOEXEC 56168404Spjd 57185029Spjd#define fs_vscan(vp, cr, async) (0) 58185029Spjd 59168404Spjd#define VROOT VV_ROOT 60168404Spjd 61168404Spjd/* 62168404Spjd * Structure defining a mount option for a filesystem. 63168404Spjd * option names are found in mntent.h 64168404Spjd */ 65168404Spjdtypedef struct mntopt { 66168404Spjd char *mo_name; /* option name */ 67168404Spjd char **mo_cancel; /* list of options cancelled by this one */ 68168404Spjd char *mo_arg; /* argument string for this option */ 69168404Spjd int mo_flags; /* flags for this mount option */ 70168404Spjd void *mo_data; /* filesystem specific data */ 71168404Spjd} mntopt_t; 72168404Spjd 73168404Spjd/* 74168404Spjd * Flags that apply to mount options 75168404Spjd */ 76168404Spjd 77168404Spjd#define MO_SET 0x01 /* option is set */ 78168404Spjd#define MO_NODISPLAY 0x02 /* option not listed in mnttab */ 79168404Spjd#define MO_HASVALUE 0x04 /* option takes a value */ 80168404Spjd#define MO_IGNORE 0x08 /* option ignored by parser */ 81168404Spjd#define MO_DEFAULT MO_SET /* option is on by default */ 82168404Spjd#define MO_TAG 0x10 /* flags a tag set by user program */ 83168404Spjd#define MO_EMPTY 0x20 /* empty space in option table */ 84168404Spjd 85168404Spjd#define VFS_NOFORCEOPT 0x01 /* honor MO_IGNORE (don't set option) */ 86168404Spjd#define VFS_DISPLAY 0x02 /* Turn off MO_NODISPLAY bit for opt */ 87168404Spjd#define VFS_NODISPLAY 0x04 /* Turn on MO_NODISPLAY bit for opt */ 88168404Spjd#define VFS_CREATEOPT 0x08 /* Create the opt if it's not there */ 89168404Spjd 90168404Spjd/* 91168404Spjd * Structure holding mount option strings for the mounted file system. 92168404Spjd */ 93168404Spjdtypedef struct mntopts { 94168404Spjd uint_t mo_count; /* number of entries in table */ 95168404Spjd mntopt_t *mo_list; /* list of mount options */ 96168404Spjd} mntopts_t; 97168404Spjd 98168404Spjdvoid vfs_setmntopt(vfs_t *vfsp, const char *name, const char *arg, 99168404Spjd int flags __unused); 100168404Spjdvoid vfs_clearmntopt(vfs_t *vfsp, const char *name); 101168404Spjdint vfs_optionisset(const vfs_t *vfsp, const char *opt, char **argp); 102197201Spjdint mount_snapshot(kthread_t *td, vnode_t **vpp, const char *fstype, 103197201Spjd char *fspath, char *fspec, int fsflags); 104168404Spjd 105185029Spjdtypedef uint64_t vfs_feature_t; 106185029Spjd 107185029Spjd#define VFSFT_XVATTR 0x100000001 /* Supports xvattr for attrs */ 108185029Spjd#define VFSFT_CASEINSENSITIVE 0x100000002 /* Supports case-insensitive */ 109185029Spjd#define VFSFT_NOCASESENSITIVE 0x100000004 /* NOT case-sensitive */ 110185029Spjd#define VFSFT_DIRENTFLAGS 0x100000008 /* Supports dirent flags */ 111185029Spjd#define VFSFT_ACLONCREATE 0x100000010 /* Supports ACL on create */ 112185029Spjd#define VFSFT_ACEMASKONACCESS 0x100000020 /* Can use ACEMASK for access */ 113219089Spjd#define VFSFT_SYSATTR_VIEWS 0x100000040 /* Supports sysattr view i/f */ 114219089Spjd#define VFSFT_ACCESS_FILTER 0x100000080 /* dirents filtered by access */ 115219089Spjd#define VFSFT_REPARSE 0x100000100 /* Supports reparse point */ 116219089Spjd#define VFSFT_ZEROCOPY_SUPPORTED 0x100000200 117219089Spjd /* Support loaning /returning cache buffer */ 118185029Spjd 119219089Spjd#define vfs_set_feature(vfsp, feature) do { } while (0) 120219089Spjd#define vfs_clear_feature(vfsp, feature) do { } while (0) 121219089Spjd#define vfs_has_feature(vfsp, feature) (0) 122185029Spjd 123168404Spjd#endif /* _KERNEL */ 124168404Spjd 125168404Spjd#endif /* _OPENSOLARIS_SYS_VFS_H_ */ 126