1 /* $NetBSD: nfs_var.h,v 1.55 2005/12/11 12:25:17 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * XXX needs <nfs/rpcv2.h> and <nfs/nfs.h> because of typedefs 41 */ 42 43 #ifdef _KERNEL 44 #include <sys/mallocvar.h> 45 #include <sys/pool.h> 46 47 MALLOC_DECLARE(M_NFSREQ); 48 MALLOC_DECLARE(M_NFSMNT); 49 MALLOC_DECLARE(M_NFSUID); 50 MALLOC_DECLARE(M_NFSD); 51 MALLOC_DECLARE(M_NFSDIROFF); 52 MALLOC_DECLARE(M_NFSBIGFH); 53 MALLOC_DECLARE(M_NQLEASE); 54 extern struct pool nfs_srvdesc_pool; 55 56 struct vnode; 57 struct uio; 58 struct ucred; 59 struct proc; 60 struct buf; 61 struct nfs_diskless; 62 struct sockaddr_in; 63 struct nfs_dlmount; 64 struct vnode; 65 struct nfsd; 66 struct mbuf; 67 struct file; 68 struct nqlease; 69 struct nqhost; 70 struct nfssvc_sock; 71 struct nfsmount; 72 struct socket; 73 struct nfsreq; 74 struct vattr; 75 struct nameidata; 76 struct nfsnode; 77 struct sillyrename; 78 struct componentname; 79 struct nfsd_srvargs; 80 struct nfsrv_descript; 81 struct nfs_fattr; 82 struct nfsdircache; 83 union nethostaddr; 84 85 /* nfs_bio.c */ 86 int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *, int)); 87 struct buf *nfs_getcacheblk __P((struct vnode *, daddr_t, int, struct lwp *)); 88 int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct lwp *, 89 int)); 90 int nfs_flushstalebuf __P((struct vnode *, struct ucred *, struct lwp *, int)); 91 #define NFS_FLUSHSTALEBUF_MYWRITE 1 /* assume writes are ours */ 92 int nfs_asyncio __P((struct buf *)); 93 int nfs_doio __P((struct buf *)); 94 95 /* nfs_boot.c */ 96 /* see nfsdiskless.h */ 97 98 /* nfs_kq.c */ 99 void nfs_kqinit __P((void)); 100 101 /* nfs_node.c */ 102 void nfs_nhinit __P((void)); 103 void nfs_nhreinit __P((void)); 104 void nfs_nhdone __P((void)); 105 int nfs_nget1 __P((struct mount *, nfsfh_t *, int, struct nfsnode **, int)); 106 #define nfs_nget(mp, fhp, fhsize, npp) \ 107 nfs_nget1((mp), (fhp), (fhsize), (npp), 0) 108 109 /* nfs_vnops.c */ 110 int nfs_null __P((struct vnode *, struct ucred *, struct lwp *)); 111 int nfs_setattrrpc __P((struct vnode *, struct vattr *, struct ucred *, 112 struct lwp *)); 113 int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); 114 int nfs_readrpc __P((struct vnode *, struct uio *)); 115 int nfs_writerpc __P((struct vnode *, struct uio *, int *, boolean_t, 116 boolean_t *)); 117 int nfs_mknodrpc __P((struct vnode *, struct vnode **, struct componentname *, 118 struct vattr *)); 119 int nfs_removeit __P((struct sillyrename *)); 120 int nfs_removerpc __P((struct vnode *, const char *, int, struct ucred *, 121 struct lwp *)); 122 int nfs_renameit __P((struct vnode *, struct componentname *, 123 struct sillyrename *)); 124 int nfs_renamerpc __P((struct vnode *, const char *, int, struct vnode *, 125 const char *, int, struct ucred *, struct lwp *)); 126 int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); 127 int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); 128 int nfs_sillyrename __P((struct vnode *, struct vnode *, 129 struct componentname *)); 130 int nfs_lookitup __P((struct vnode *, const char *, int, struct ucred *, 131 struct lwp *, struct nfsnode **)); 132 int nfs_commit __P((struct vnode *, off_t, uint32_t, struct lwp *)); 133 int nfs_flush __P((struct vnode *, struct ucred *, int, struct lwp *, int)); 134 135 /* nfs_nqlease.c */ 136 void nqnfs_lease_updatetime __P((int)); 137 void nqnfs_clientlease __P((struct nfsmount *, struct nfsnode *, int, int, 138 time_t, u_quad_t)); 139 void nqsrv_locklease __P((struct nqlease *)); 140 void nqsrv_unlocklease __P((struct nqlease *)); 141 int nqsrv_getlease __P((struct vnode *, u_int32_t *, int, struct nfssvc_sock *, 142 struct lwp *, struct mbuf *, int *, u_quad_t *, 143 struct ucred *)); 144 void nqsrv_addhost __P((struct nqhost *, struct nfssvc_sock *, struct mbuf *)); 145 void nqsrv_instimeq __P((struct nqlease *, u_int32_t)); 146 int nqsrv_cmpnam __P((struct nfssvc_sock *, struct mbuf *, struct nqhost *)); 147 void nqsrv_send_eviction __P((struct vnode *, struct nqlease *, 148 struct nfssvc_sock *, struct mbuf *, 149 struct ucred *, struct lwp *)); 150 void nqsrv_waitfor_expiry __P((struct nqlease *)); 151 void nqnfs_serverd __P((void)); 152 int nqnfsrv_getlease __P((struct nfsrv_descript *, struct nfssvc_sock *, 153 struct lwp *, struct mbuf **)); 154 int nqnfsrv_vacated __P((struct nfsrv_descript *, struct nfssvc_sock *, 155 struct lwp *, struct mbuf **)); 156 int nqnfs_getlease __P((struct vnode *, int, struct ucred *, struct lwp *)); 157 int nqnfs_vacated __P((struct vnode *, struct ucred *, struct lwp *)); 158 int nqnfs_callback __P((struct nfsmount *, struct mbuf *, struct mbuf *, 159 caddr_t, struct lwp *)); 160 161 /* nfs_serv.c */ 162 int nfsrv3_access __P((struct nfsrv_descript *, struct nfssvc_sock *, 163 struct lwp *, struct mbuf **)); 164 int nfsrv_getattr __P((struct nfsrv_descript *, struct nfssvc_sock *, 165 struct lwp *, struct mbuf **)); 166 int nfsrv_setattr __P((struct nfsrv_descript *, struct nfssvc_sock *, 167 struct lwp *, struct mbuf **)); 168 int nfsrv_lookup __P((struct nfsrv_descript *, struct nfssvc_sock *, 169 struct lwp *, struct mbuf **)); 170 int nfsrv_readlink __P((struct nfsrv_descript *, struct nfssvc_sock *, 171 struct lwp *, struct mbuf **)); 172 int nfsrv_read __P((struct nfsrv_descript *, struct nfssvc_sock *, 173 struct lwp *, struct mbuf **)); 174 int nfsrv_write __P((struct nfsrv_descript *, struct nfssvc_sock *, 175 struct lwp *, struct mbuf **)); 176 int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, 177 struct lwp *, struct mbuf **)); 178 void nfsrvw_coalesce __P((struct nfsrv_descript *, struct nfsrv_descript *)); 179 int nfsrv_create __P((struct nfsrv_descript *, struct nfssvc_sock *, 180 struct lwp *, struct mbuf **)); 181 int nfsrv_mknod __P((struct nfsrv_descript *, struct nfssvc_sock *, 182 struct lwp *, struct mbuf **)); 183 int nfsrv_remove __P((struct nfsrv_descript *, struct nfssvc_sock *, 184 struct lwp *, struct mbuf **)); 185 int nfsrv_rename __P((struct nfsrv_descript *, struct nfssvc_sock *, 186 struct lwp *, struct mbuf **)); 187 int nfsrv_link __P((struct nfsrv_descript *, struct nfssvc_sock *, 188 struct lwp *, struct mbuf **)); 189 int nfsrv_symlink __P((struct nfsrv_descript *, struct nfssvc_sock *, 190 struct lwp *, struct mbuf **)); 191 int nfsrv_mkdir __P((struct nfsrv_descript *, struct nfssvc_sock *, 192 struct lwp *, struct mbuf **)); 193 int nfsrv_rmdir __P((struct nfsrv_descript *, struct nfssvc_sock *, 194 struct lwp *, struct mbuf **)); 195 int nfsrv_readdir __P((struct nfsrv_descript *, struct nfssvc_sock *, 196 struct lwp *, struct mbuf **)); 197 int nfsrv_readdirplus __P((struct nfsrv_descript *, struct nfssvc_sock *, 198 struct lwp *, struct mbuf **)); 199 int nfsrv_commit __P((struct nfsrv_descript *, struct nfssvc_sock *, 200 struct lwp *, struct mbuf **)); 201 int nfsrv_statfs __P((struct nfsrv_descript *, struct nfssvc_sock *, 202 struct lwp *, struct mbuf **)); 203 int nfsrv_fsinfo __P((struct nfsrv_descript *, struct nfssvc_sock *, 204 struct lwp *, struct mbuf **)); 205 int nfsrv_pathconf __P((struct nfsrv_descript *, struct nfssvc_sock *, 206 struct lwp *, struct mbuf **)); 207 int nfsrv_null __P((struct nfsrv_descript *, struct nfssvc_sock *, 208 struct lwp *, struct mbuf **)); 209 int nfsrv_noop __P((struct nfsrv_descript *, struct nfssvc_sock *, 210 struct lwp *, struct mbuf **)); 211 int nfsrv_access __P((struct vnode *, int, struct ucred *, int, struct lwp *, 212 int)); 213 214 /* nfs_socket.c */ 215 int nfs_connect __P((struct nfsmount *, struct nfsreq *, struct lwp *)); 216 int nfs_reconnect __P((struct nfsreq *, struct lwp *)); 217 void nfs_disconnect __P((struct nfsmount *)); 218 void nfs_safedisconnect __P((struct nfsmount *)); 219 int nfs_send __P((struct socket *, struct mbuf *, struct mbuf *, 220 struct nfsreq *, struct lwp *)); 221 int nfs_receive __P((struct nfsreq *, struct mbuf **, struct mbuf **, 222 struct lwp *)); 223 int nfs_reply __P((struct nfsreq *, struct lwp *)); 224 int nfs_request __P((struct nfsnode *, struct mbuf *, int, struct lwp *, 225 struct ucred *, struct mbuf **, struct mbuf **, 226 caddr_t *, int *)); 227 int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, 228 int, int, u_quad_t *, struct mbuf **, struct mbuf **, caddr_t *)); 229 void nfs_timer __P((void *)); 230 int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct lwp *)); 231 int nfs_sndlock __P((int *, struct nfsreq *)); 232 void nfs_exit __P((struct proc *, void *)); 233 void nfs_sndunlock __P((int *)); 234 int nfs_rcvlock __P((struct nfsreq *)); 235 void nfs_rcvunlock __P((struct nfsmount *)); 236 int nfs_getreq __P((struct nfsrv_descript *, struct nfsd *, int)); 237 int nfs_msg __P((struct lwp *, const char *, const char *)); 238 void nfsrv_rcv __P((struct socket *, caddr_t, int)); 239 int nfsrv_getstream __P((struct nfssvc_sock *, int)); 240 int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, 241 struct nfsrv_descript **)); 242 void nfsrv_wakenfsd __P((struct nfssvc_sock *)); 243 244 /* nfs_srvcache.c */ 245 void nfsrv_initcache __P((void )); 246 int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, 247 struct mbuf **)); 248 void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); 249 void nfsrv_cleancache __P((void)); 250 251 /* nfs_subs.c */ 252 struct mbuf *nfsm_reqh __P((struct nfsnode *, u_long, int, caddr_t *)); 253 struct mbuf *nfsm_rpchead __P((struct ucred *, int, int, int, int, char *, int, 254 char *, struct mbuf *, int, struct mbuf **, 255 u_int32_t *)); 256 int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); 257 int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *)); 258 int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 259 int nfs_adv __P((struct mbuf **, caddr_t *, int, int)); 260 int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long)); 261 u_long nfs_dirhash __P((off_t)); 262 void nfs_initdircache __P((struct vnode *)); 263 void nfs_initdirxlatecookie __P((struct vnode *)); 264 struct nfsdircache *nfs_searchdircache __P((struct vnode *, off_t, int, int *)); 265 struct nfsdircache *nfs_enterdircache __P((struct vnode *, off_t, off_t, int, daddr_t)); 266 void nfs_putdircache __P((struct nfsnode *, struct nfsdircache *)); 267 void nfs_invaldircache __P((struct vnode *, int)); 268 #define NFS_INVALDIRCACHE_FORCE 1 269 #define NFS_INVALDIRCACHE_KEEPEOF 2 270 void nfs_init __P((void)); 271 int nfsm_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, 272 struct vattr *, int flags)); 273 int nfs_loadattrcache __P((struct vnode **, struct nfs_fattr *, 274 struct vattr *, int flags)); 275 int nfs_getattrcache __P((struct vnode *, struct vattr *)); 276 void nfs_delayedtruncate __P((struct vnode *)); 277 int nfs_check_wccdata __P((struct nfsnode *, const struct timespec *, 278 struct timespec *, boolean_t)); 279 int nfs_namei __P((struct nameidata *, fhandle_t *, uint32_t, 280 struct nfssvc_sock *, struct mbuf *, struct mbuf **, 281 caddr_t *, struct vnode **, struct lwp *, int, int)); 282 void nfs_zeropad __P((struct mbuf *, int, int)); 283 void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, 284 struct vattr *, struct mbuf **, char **)); 285 void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, 286 struct mbuf **, char **)); 287 void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, 288 struct nfs_fattr *)); 289 int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *, 290 struct nfssvc_sock *, struct mbuf *, int *, int, int)); 291 int nfs_ispublicfh __P((fhandle_t *)); 292 int netaddr_match __P((int, union nethostaddr *, struct mbuf *)); 293 294 /* flags for nfs_loadattrcache and friends */ 295 #define NAC_NOTRUNC 1 /* don't truncate file size */ 296 297 void nfs_clearcommit __P((struct mount *)); 298 void nfs_merge_commit_ranges __P((struct vnode *)); 299 int nfs_in_committed_range __P((struct vnode *, off_t, off_t)); 300 int nfs_in_tobecommitted_range __P((struct vnode *, off_t, off_t)); 301 void nfs_add_committed_range __P((struct vnode *, off_t, off_t)); 302 void nfs_del_committed_range __P((struct vnode *, off_t, off_t)); 303 void nfs_add_tobecommitted_range __P((struct vnode *, off_t, off_t)); 304 void nfs_del_tobecommitted_range __P((struct vnode *, off_t, off_t)); 305 306 int nfsrv_errmap __P((struct nfsrv_descript *, int)); 307 void nfsrvw_sort __P((gid_t *, int)); 308 void nfsrv_setcred __P((struct ucred *, struct ucred *)); 309 void nfs_cookieheuristic __P((struct vnode *, int *, struct lwp *, 310 struct ucred *)); 311 312 u_int32_t nfs_getxid __P((void)); 313 void nfs_renewxid __P((struct nfsreq *)); 314 315 /* nfs_syscalls.c */ 316 int sys_getfh __P((struct lwp *, void *, register_t *)); 317 int sys_nfssvc __P((struct lwp *, void *, register_t *)); 318 int nfssvc_addsock __P((struct file *, struct mbuf *)); 319 int nfssvc_nfsd __P((struct nfsd_srvargs *, caddr_t, struct lwp *)); 320 void nfsrv_zapsock __P((struct nfssvc_sock *)); 321 void nfsrv_slpderef __P((struct nfssvc_sock *)); 322 void nfsrv_init __P((int)); 323 int nfssvc_iod __P((struct lwp *)); 324 void nfs_iodinit __P((void)); 325 void start_nfsio __P((void *)); 326 void nfs_getset_niothreads __P((int)); 327 int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, 328 char **, int *, char *, int *, NFSKERBKEY_T)); 329 int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, int *, 330 char *, int)); 331 int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, NFSKERBKEY_T, 332 struct mbuf **, char **, struct mbuf *)); 333 334 /* nfs_export.c */ 335 extern struct nfs_public nfs_pub; 336 int mountd_set_exports_list(const struct mountd_exports_list *, struct lwp *); 337 int netexport_check(const fsid_t *, struct mbuf *, struct mount **, int *, 338 struct ucred **); 339 #ifdef COMPAT_30 340 int nfs_update_exports_30(struct mount *, const char *, void *, struct lwp *); 341 #endif 342 #endif /* _KERNEL */ 343