1 /* $NetBSD: nfs_prot_linux.h,v 1.1.1.3 2015/01/17 16:34:16 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1997-2014 Erez Zadok 5 * Copyright (c) 1990 Jan-Simon Pendry 6 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine 7 * Copyright (c) 1990 The Regents of the University of California. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * Jan-Simon Pendry at Imperial College, London. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * 38 * File: am-utils/conf/nfs_prot/nfs_prot_linux.h 39 * 40 */ 41 42 #ifndef _AMU_NFS_PROT_H 43 #define _AMU_NFS_PROT_H 44 45 #ifdef HAVE_RPCSVC_NFS_PROT_H 46 # include <rpcsvc/nfs_prot.h> 47 #endif /* HAVE_RPCSVC_NFS_PROT_H */ 48 49 /* 50 * Hard-code support for some file systems so the built amd 51 * binary can always run them. Also, this helps detection of iso9660 52 * file system for which the module isn't named as the file system mount 53 * name. 54 */ 55 #include <linux/version.h> 56 #ifndef KERNEL_VERSION 57 # define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) 58 #endif /* not KERNEL_VERSION */ 59 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) 60 # ifndef MS_BIND 61 # define MS_BIND 4096 62 # endif /* not MS_BIND */ 63 64 # ifndef MNTTYPE_LOFS 65 # define MNTTYPE_LOFS "bind" 66 # endif /* not MNTTYPE_LOFS */ 67 #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) */ 68 69 #ifndef MNTTYPE_ISO9660 70 # define MNTTYPE_ISO9660 "iso9660" 71 #endif /* not MNTTYPE_ISO9660 */ 72 73 #ifndef FHSIZE 74 # define FHSIZE 32 75 #endif /* not FHSIZE */ 76 #ifndef FHSIZE3 77 # define FHSIZE3 64 78 #endif /* not FHSIZE3 */ 79 80 #ifdef HAVE_FS_NFS3 81 #ifndef MNTTYPE_NFS3 82 # define MNTTYPE_NFS3 "nfs" 83 #endif /* not MNTTYPE_NFS3 */ 84 #endif /* HAVE_FS_NFS3 */ 85 86 /* 87 * These two force/lazy unmount flags are sometimes missing from some linux 88 * systems' headers. 89 */ 90 #ifdef HAVE_UMOUNT2 91 # ifndef MNT_FORCE 92 # define MNT_FORCE 0x1 /* from <sys/mount.h> */ 93 # endif /* not MNT_FORCE */ 94 # ifndef MNT_DETACH 95 # define MNT_DETACH 0x2 /* from kernel <linux/fs.h> */ 96 # endif /* not MNT_DETACH */ 97 #endif /* HAVE_UMOUNT2 */ 98 99 /* XXX: hack until we have a better way to detect /dev/loop devices */ 100 #ifdef HAVE_LINUX_LOOP_H 101 # define HAVE_LOOP_DEVICE 102 extern char *setup_loop_device(const char *file); 103 extern int delete_loop_device(const char *device); 104 #endif /* HAVE_LINUX_LOOP_H */ 105 106 107 /* 108 * MACROS: 109 */ 110 #define dr_drok_u diropres 111 #define ca_attributes attributes 112 #define ca_where where 113 #define da_fhandle dir 114 #define da_name name 115 #define dl_entries entries 116 #define dl_eof eof 117 #define dr_status status 118 #define dr_u diropres_u 119 #define drok_attributes attributes 120 #define drok_fhandle file 121 #define fh_data data 122 #define fhsize root.size 123 #define la_fhandle from 124 #define la_to to 125 #define na_atime atime 126 #define na_blocks blocks 127 #define na_blocksize blocksize 128 #define na_ctime ctime 129 #define na_fileid fileid 130 #define na_fsid fsid 131 #define na_gid gid 132 #define na_mode mode 133 #define na_mtime mtime 134 #define na_nlink nlink 135 #define na_rdev rdev 136 #define na_size size 137 #define na_type type 138 #define na_uid uid 139 #define ne_cookie cookie 140 #define ne_fileid fileid 141 #define ne_name name 142 #define ne_nextentry nextentry 143 #define ns_attr_u attributes 144 #define ns_status status 145 #define ns_u attrstat_u 146 #define nt_seconds seconds 147 #define nt_useconds useconds 148 #define ra_count count 149 #define ra_fhandle file 150 #define ra_offset offset 151 #define ra_totalcount totalcount 152 #define raok_attributes attributes 153 #define raok_len_u data_len 154 #define raok_u data 155 #define raok_val_u data_val 156 #define rda_cookie cookie 157 #define rda_count count 158 #define rda_fhandle dir 159 #define rdr_reply_u reply 160 #define rdr_status status 161 #define rdr_u readdirres_u 162 #define rlr_data_u data 163 #define rlr_status status 164 #define rlr_u readlinkres_u 165 #define rna_from from 166 #define rna_to to 167 #define rr_reply_u reply 168 #define rr_status status 169 #define rr_u readres_u 170 #define sa_atime atime 171 #define sa_gid gid 172 #define sa_mode mode 173 #define sa_mtime mtime 174 #define sa_size size 175 #define sa_uid uid 176 #define sag_attributes attributes 177 #define sag_fhandle file 178 #define sfr_reply_u reply 179 #define sfr_status status 180 #define sfr_u statfsres_u 181 #define sfrok_bavail bavail 182 #define sfrok_bfree bfree 183 #define sfrok_blocks blocks 184 #define sfrok_bsize bsize 185 #define sfrok_tsize tsize 186 #define sla_attributes attributes 187 #define sla_from from 188 #define sla_to to 189 #define wra_beginoffset beginoffset 190 #define wra_fhandle file 191 #define wra_len_u data_len 192 #define wra_offset offset 193 #define wra_totalcount totalcount 194 #define wra_u data 195 #define wra_val_u data_val 196 197 198 /* 199 * TYPEDEFS: 200 */ 201 typedef attrstat nfsattrstat; 202 typedef createargs nfscreateargs; 203 typedef dirlist nfsdirlist; 204 typedef diropargs nfsdiropargs; 205 typedef diropokres nfsdiropokres; 206 typedef diropres nfsdiropres; 207 typedef entry nfsentry; 208 typedef fattr nfsfattr; 209 typedef ftype nfsftype; 210 typedef linkargs nfslinkargs; 211 typedef readargs nfsreadargs; 212 typedef readdirargs nfsreaddirargs; 213 typedef readdirres nfsreaddirres; 214 typedef readlinkres nfsreadlinkres; 215 typedef readokres nfsreadokres; 216 typedef readres nfsreadres; 217 typedef renameargs nfsrenameargs; 218 typedef sattr nfssattr; 219 typedef sattrargs nfssattrargs; 220 typedef statfsokres nfsstatfsokres; 221 typedef statfsres nfsstatfsres; 222 typedef symlinkargs nfssymlinkargs; 223 typedef writeargs nfswriteargs; 224 225 /* Autofs trick */ 226 typedef int autofs_args_t; 227 228 /* 229 * We use our own definitions here, because the definitions in the 230 * kernel change the API (though not the ABI) *way* too often. 231 */ 232 #undef nfs_args_t 233 struct nfs2_fh { 234 char data[FHSIZE]; 235 }; 236 237 struct nfs3_fh { 238 u_short size; 239 u_char data[FHSIZE3]; 240 }; 241 242 struct nfs_args { 243 int version; /* 1 */ 244 int fd; /* 1 */ 245 struct nfs2_fh old_root; /* 1 */ 246 int flags; /* 1 */ 247 int rsize; /* 1 */ 248 int wsize; /* 1 */ 249 int timeo; /* 1 */ 250 int retrans; /* 1 */ 251 int acregmin; /* 1 */ 252 int acregmax; /* 1 */ 253 int acdirmin; /* 1 */ 254 int acdirmax; /* 1 */ 255 struct sockaddr_in addr; /* 1 */ 256 char hostname[256]; /* 1 */ 257 int namlen; /* 2 */ 258 unsigned int bsize; /* 3 */ 259 struct nfs3_fh root; /* 4 */ 260 int pseudoflavor; /* 5 */ 261 char context[256 + 1];/* 6 */ 262 }; 263 typedef struct nfs_args nfs_args_t; 264 265 #define NFS4_MOUNT_VERSION 1 266 267 struct nfs_string { 268 unsigned int len; 269 char *data; 270 }; 271 272 struct nfs4_args { 273 int version; /* 1 */ 274 int flags; /* 1 */ 275 int rsize; /* 1 */ 276 int wsize; /* 1 */ 277 int timeo; /* 1 */ 278 int retrans; /* 1 */ 279 int acregmin; /* 1 */ 280 int acregmax; /* 1 */ 281 int acdirmin; /* 1 */ 282 int acdirmax; /* 1 */ 283 struct nfs_string client_addr; /* 1 */ 284 struct nfs_string mnt_path; /* 1 */ 285 struct nfs_string hostname; /* 1 */ 286 unsigned int host_addrlen; /* 1 */ 287 struct sockaddr *host_addr; /* 1 */ 288 int proto; /* 1 */ 289 int auth_flavourlen;/* 1 */ 290 int *auth_flavours; /* 1 */ 291 }; 292 293 typedef struct nfs4_args nfs4_args_t; 294 295 /* HACK: these are not defined on Linux but we still need them 296 * internally. We have to be able to differentiate between having a 297 * timeout value set to zero and not having the option at all. These 298 * flags are masked off before passing the nfs_args structure to 299 * mount2() */ 300 301 #define MNT2_NFS_OPT_ACREGMIN 0x10000 302 #define MNT2_NFS_OPT_ACREGMAX 0x20000 303 #define MNT2_NFS_OPT_ACDIRMIN 0x40000 304 #define MNT2_NFS_OPT_ACDIRMAX 0x80000 305 #define MNT2_NFS_OPT_FLAGMASK 0xFFFF 306 307 /* 308 * Missing definitions on redhat alpha linux 309 */ 310 #ifdef _SELECTBITS_H 311 # ifndef __FD_ZERO 312 /* This line MUST be split! Otherwise m4 will not change it. */ 313 # define __FD_ZERO(set) \ 314 ((void) memset ((__ptr_t) (set), 0, sizeof(fd_set))) 315 # endif /* not __FD_ZERO */ 316 # ifndef __FD_SET 317 # define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) 318 # endif /* not __FD_SET */ 319 # ifndef __FD_CLR 320 # define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) 321 # endif /* not __FD_CLR */ 322 # ifndef __FD_ISSET 323 # define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) 324 # endif /* not __FD_ISSET */ 325 326 #endif /* _SELECTBITS_H */ 327 328 /* turn off this (b/c of hlfsd) */ 329 #undef HAVE_RPC_AUTH_DES_H 330 331 extern int linux_version_code(); 332 /* use a private mapper from errno's to NFS errors */ 333 extern int linux_nfs_error(int e); 334 #define nfs_error(e) linux_nfs_error(e) 335 336 #endif /* not _AMU_NFS_PROT_H */ 337