| 1 | /* $NetBSD: mount.h,v 1.10 2013/10/04 21:07:37 christos Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1989, 1991, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. Neither the name of the University nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | * |
| 31 | * @(#)mount.h 8.21 (Berkeley) 5/20/95 |
| 32 | */ |
| 33 | |
| 34 | #ifndef _COMPAT_SYS_MOUNT_H_ |
| 35 | #define _COMPAT_SYS_MOUNT_H_ |
| 36 | |
| 37 | #ifdef _KERNEL_OPT |
| 38 | #include "opt_compat_43.h" |
| 39 | #endif |
| 40 | |
| 41 | #define MFSNAMELEN 16 |
| 42 | |
| 43 | struct statfs12 { |
| 44 | short f_type; /* type of file system */ |
| 45 | u_short f_oflags; /* deprecated copy of mount flags */ |
| 46 | long f_bsize; /* fundamental file system block size */ |
| 47 | long f_iosize; /* optimal transfer block size */ |
| 48 | long f_blocks; /* total data blocks in file system */ |
| 49 | long f_bfree; /* free blocks in fs */ |
| 50 | long f_bavail; /* free blocks avail to non-superuser */ |
| 51 | long f_files; /* total file nodes in file system */ |
| 52 | long f_ffree; /* free file nodes in fs */ |
| 53 | fsid_t f_fsid; /* file system id */ |
| 54 | uid_t f_owner; /* user that mounted the file system */ |
| 55 | long f_flags; /* copy of mount flags */ |
| 56 | long f_syncwrites; /* count of sync writes since mount */ |
| 57 | long f_asyncwrites; /* count of async writes since mount */ |
| 58 | long f_spare[1]; /* spare for later */ |
| 59 | char f_fstypename[MFSNAMELEN]; /* fs type name */ |
| 60 | char f_mntonname[MNAMELEN]; /* directory on which mounted */ |
| 61 | char f_mntfromname[MNAMELEN]; /* mounted file system */ |
| 62 | }; |
| 63 | |
| 64 | /* |
| 65 | * Operations supported on mounted file system. |
| 66 | */ |
| 67 | #ifdef _KERNEL |
| 68 | |
| 69 | /* |
| 70 | * Filesystem configuration information. Not used by NetBSD, but |
| 71 | * defined here to provide a compatible sysctl interface to Lite2. |
| 72 | */ |
| 73 | struct vfsconf { |
| 74 | struct vfsops *vfc_vfsops; /* filesystem operations vector */ |
| 75 | char vfc_name[MFSNAMELEN]; /* filesystem type name */ |
| 76 | int vfc_typenum; /* historic filesystem type number */ |
| 77 | int vfc_refcount; /* number mounted of this type */ |
| 78 | int vfc_flags; /* permanent flags */ |
| 79 | int (*vfc_mountroot)(void); /* if != NULL, routine to mount root */ |
| 80 | struct vfsconf *vfc_next; /* next in list */ |
| 81 | }; |
| 82 | |
| 83 | /* Old, fixed size filehandle structures (used upto (including) 3.x) */ |
| 84 | struct compat_30_fid { |
| 85 | unsigned short fid_len; |
| 86 | unsigned short fid_reserved; |
| 87 | char fid_data[16]; |
| 88 | }; |
| 89 | struct compat_30_fhandle { |
| 90 | fsid_t fh_fsid; |
| 91 | struct compat_30_fid fh_fid; |
| 92 | }; |
| 93 | |
| 94 | #else |
| 95 | |
| 96 | __BEGIN_DECLS |
| 97 | int __compat_fstatfs(int, struct statfs12 *) __dso_hidden; |
| 98 | int __compat_getfsstat(struct statfs12 *, long, int) __dso_hidden; |
| 99 | int __compat_statfs(const char *, struct statfs12 *) __dso_hidden; |
| 100 | int __compat_getmntinfo(struct statfs12 **, int) __dso_hidden; |
| 101 | #if defined(_NETBSD_SOURCE) |
| 102 | struct compat_30_fhandle; |
| 103 | int __compat_fhstatfs(const struct compat_30_fhandle *, struct statfs12 *) |
| 104 | __dso_hidden; |
| 105 | struct stat13; |
| 106 | int __compat_fhstat(const struct compat_30_fhandle *, struct stat13 *) |
| 107 | __dso_hidden; |
| 108 | struct stat30; |
| 109 | int __compat___fhstat30(const struct compat_30_fhandle *, struct stat30 *) |
| 110 | __dso_hidden; |
| 111 | int __compat___fhstat40(const void *, size_t, struct stat30 *) __dso_hidden; |
| 112 | struct stat; |
| 113 | int __fhstat50(const void *, size_t, struct stat *); |
| 114 | #endif /* _NETBSD_SOURCE */ |
| 115 | __END_DECLS |
| 116 | |
| 117 | #endif /* _KERNEL */ |
| 118 | |
| 119 | #endif /* !_COMPAT_SYS_MOUNT_H_ */ |
| 120 | |