1 /* 2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _OPENSOLARIS_SYS_VFS_H_ 30 #define _OPENSOLARIS_SYS_VFS_H_ 31 32 #include <sys/param.h> 33 #include <sys/proc.h> 34 #include <sys/vnode.h> 35 36 #define rootdir rootvnode 37 38 struct thread; 39 struct vnode; 40 typedef struct mount vfs_t; 41 42 typedef int umode_t; 43 44 #define vfs_flag mnt_flag 45 #define vfs_data mnt_data 46 #define vfs_count mnt_ref 47 #define vfs_fsid mnt_stat.f_fsid 48 #define vfs_bsize mnt_stat.f_bsize 49 #define vfs_resource mnt_stat.f_mntfromname 50 51 #define v_flag v_vflag 52 #define v_vfsp v_mount 53 54 #define VFS_RDONLY MNT_RDONLY 55 #define VFS_NOSETUID MNT_NOSUID 56 #define VFS_NOEXEC MNT_NOEXEC 57 58 #define VROOT VV_ROOT 59 60 #define XU_NGROUPS 16 61 62 /* 63 * Structure defining a mount option for a filesystem. 64 * option names are found in mntent.h 65 */ 66 typedef struct mntopt { 67 char *mo_name; /* option name */ 68 char **mo_cancel; /* list of options cancelled by this one */ 69 char *mo_arg; /* argument string for this option */ 70 int mo_flags; /* flags for this mount option */ 71 void *mo_data; /* filesystem specific data */ 72 } mntopt_t; 73 74 /* 75 * Flags that apply to mount options 76 */ 77 78 #define MO_SET 0x01 /* option is set */ 79 #define MO_NODISPLAY 0x02 /* option not listed in mnttab */ 80 #define MO_HASVALUE 0x04 /* option takes a value */ 81 #define MO_IGNORE 0x08 /* option ignored by parser */ 82 #define MO_DEFAULT MO_SET /* option is on by default */ 83 #define MO_TAG 0x10 /* flags a tag set by user program */ 84 #define MO_EMPTY 0x20 /* empty space in option table */ 85 86 #define VFS_NOFORCEOPT 0x01 /* honor MO_IGNORE (don't set option) */ 87 #define VFS_DISPLAY 0x02 /* Turn off MO_NODISPLAY bit for opt */ 88 #define VFS_NODISPLAY 0x04 /* Turn on MO_NODISPLAY bit for opt */ 89 #define VFS_CREATEOPT 0x08 /* Create the opt if it's not there */ 90 91 /* 92 * Structure holding mount option strings for the mounted file system. 93 */ 94 typedef struct mntopts { 95 uint_t mo_count; /* number of entries in table */ 96 mntopt_t *mo_list; /* list of mount options */ 97 } mntopts_t; 98 99 void vfs_setmntopt(vfs_t *vfsp, const char *name, const char *arg, 100 int flags __unused); 101 void vfs_clearmntopt(vfs_t *vfsp, const char *name); 102 int vfs_optionisset(const vfs_t *vfsp, const char *opt, char **argp); 103 int mount_snapshot(kthread_t *td, vnode_t **vpp, const char *fstype, 104 char *fspath, char *fspec, int fsflags); 105 106 typedef uint64_t vfs_feature_t; 107 108 #define VFSFT_XVATTR 0x100000001 /* Supports xvattr for attrs */ 109 #define VFSFT_CASEINSENSITIVE 0x100000002 /* Supports case-insensitive */ 110 #define VFSFT_NOCASESENSITIVE 0x100000004 /* NOT case-sensitive */ 111 #define VFSFT_DIRENTFLAGS 0x100000008 /* Supports dirent flags */ 112 #define VFSFT_ACLONCREATE 0x100000010 /* Supports ACL on create */ 113 #define VFSFT_ACEMASKONACCESS 0x100000020 /* Can use ACEMASK for access */ 114 #define VFSFT_SYSATTR_VIEWS 0x100000040 /* Supports sysattr view i/f */ 115 #define VFSFT_ACCESS_FILTER 0x100000080 /* dirents filtered by access */ 116 #define VFSFT_REPARSE 0x100000100 /* Supports reparse point */ 117 #define VFSFT_ZEROCOPY_SUPPORTED 0x100000200 118 /* Support loaning /returning cache buffer */ 119 120 #define vfs_set_feature(vfsp, feature) do { } while (0) 121 #define vfs_clear_feature(vfsp, feature) do { } while (0) 122 #define vfs_has_feature(vfsp, feature) (0) 123 124 #include <sys/mount.h> 125 #endif /* _OPENSOLARIS_SYS_VFS_H_ */ 126