1 /* $NetBSD: nfs_var.h,v 1.58 2006/01/05 11:22:56 yamt 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(struct vnode *, struct uio *, int, struct ucred *, int); 87 struct buf *nfs_getcacheblk(struct vnode *, daddr_t, int, struct lwp *); 88 int nfs_vinvalbuf(struct vnode *, int, struct ucred *, struct lwp *, int); 89 int nfs_flushstalebuf(struct vnode *, struct ucred *, struct lwp *, int); 90 #define NFS_FLUSHSTALEBUF_MYWRITE 1 /* assume writes are ours */ 91 int nfs_asyncio(struct buf *); 92 int nfs_doio(struct buf *); 93 94 /* nfs_boot.c */ 95 /* see nfsdiskless.h */ 96 97 /* nfs_kq.c */ 98 void nfs_kqinit(void); 99 100 /* nfs_node.c */ 101 void nfs_nhinit(void); 102 void nfs_nhreinit(void); 103 void nfs_nhdone(void); 104 int nfs_nget1(struct mount *, nfsfh_t *, int, struct nfsnode **, int); 105 #define nfs_nget(mp, fhp, fhsize, npp) \ 106 nfs_nget1((mp), (fhp), (fhsize), (npp), 0) 107 108 /* nfs_vnops.c */ 109 int nfs_null(struct vnode *, struct ucred *, struct lwp *); 110 int nfs_setattrrpc(struct vnode *, struct vattr *, struct ucred *, 111 struct lwp *); 112 int nfs_readlinkrpc(struct vnode *, struct uio *, struct ucred *); 113 int nfs_readrpc(struct vnode *, struct uio *); 114 int nfs_writerpc(struct vnode *, struct uio *, int *, boolean_t, boolean_t *); 115 int nfs_mknodrpc(struct vnode *, struct vnode **, struct componentname *, 116 struct vattr *); 117 int nfs_removeit(struct sillyrename *); 118 int nfs_removerpc(struct vnode *, const char *, int, struct ucred *, 119 struct lwp *); 120 int nfs_renameit(struct vnode *, struct componentname *, struct sillyrename *); 121 int nfs_renamerpc(struct vnode *, const char *, int, struct vnode *, 122 const char *, int, struct ucred *, struct lwp *); 123 int nfs_readdirrpc(struct vnode *, struct uio *, struct ucred *); 124 int nfs_readdirplusrpc(struct vnode *, struct uio *, struct ucred *); 125 int nfs_sillyrename(struct vnode *, struct vnode *, struct componentname *); 126 int nfs_lookitup(struct vnode *, const char *, int, struct ucred *, 127 struct lwp *, struct nfsnode **); 128 int nfs_commit(struct vnode *, off_t, uint32_t, struct lwp *); 129 int nfs_flush(struct vnode *, struct ucred *, int, struct lwp *, int); 130 131 /* nfs_nqlease.c */ 132 void nqnfs_lease_updatetime(int); 133 void nqnfs_clientlease(struct nfsmount *, struct nfsnode *, int, int, time_t, 134 u_quad_t); 135 void nqsrv_locklease(struct nqlease *); 136 void nqsrv_unlocklease(struct nqlease *); 137 int nqsrv_getlease(struct vnode *, u_int32_t *, int, struct nfssvc_sock *, 138 struct lwp *, struct mbuf *, int *, u_quad_t *, struct ucred *); 139 void nqsrv_addhost(struct nqhost *, struct nfssvc_sock *, struct mbuf *); 140 void nqsrv_instimeq(struct nqlease *, u_int32_t); 141 int nqsrv_cmpnam(struct nfssvc_sock *, struct mbuf *, struct nqhost *); 142 void nqsrv_send_eviction(struct vnode *, struct nqlease *, 143 struct nfssvc_sock *, struct mbuf *, struct ucred *, struct lwp *); 144 void nqsrv_waitfor_expiry(struct nqlease *); 145 void nqnfs_serverd(void); 146 int nqnfsrv_getlease(struct nfsrv_descript *, struct nfssvc_sock *, 147 struct lwp *, struct mbuf **); 148 int nqnfsrv_vacated(struct nfsrv_descript *, struct nfssvc_sock *, 149 struct lwp *, struct mbuf **); 150 int nqnfs_getlease(struct vnode *, int, struct ucred *, struct lwp *); 151 int nqnfs_vacated(struct vnode *, struct ucred *, struct lwp *); 152 int nqnfs_callback(struct nfsmount *, struct mbuf *, struct mbuf *, 153 caddr_t, struct lwp *); 154 155 /* nfs_serv.c */ 156 int nfsrv3_access(struct nfsrv_descript *, struct nfssvc_sock *, 157 struct lwp *, struct mbuf **); 158 int nfsrv_getattr(struct nfsrv_descript *, struct nfssvc_sock *, 159 struct lwp *, struct mbuf **); 160 int nfsrv_setattr(struct nfsrv_descript *, struct nfssvc_sock *, 161 struct lwp *, struct mbuf **); 162 int nfsrv_lookup(struct nfsrv_descript *, struct nfssvc_sock *, 163 struct lwp *, struct mbuf **); 164 int nfsrv_readlink(struct nfsrv_descript *, struct nfssvc_sock *, 165 struct lwp *, struct mbuf **); 166 int nfsrv_read(struct nfsrv_descript *, struct nfssvc_sock *, 167 struct lwp *, struct mbuf **); 168 int nfsrv_write(struct nfsrv_descript *, struct nfssvc_sock *, 169 struct lwp *, struct mbuf **); 170 int nfsrv_writegather(struct nfsrv_descript **, struct nfssvc_sock *, 171 struct lwp *, struct mbuf **); 172 void nfsrvw_coalesce(struct nfsrv_descript *, struct nfsrv_descript *); 173 int nfsrv_create(struct nfsrv_descript *, struct nfssvc_sock *, 174 struct lwp *, struct mbuf **); 175 int nfsrv_mknod(struct nfsrv_descript *, struct nfssvc_sock *, 176 struct lwp *, struct mbuf **); 177 int nfsrv_remove(struct nfsrv_descript *, struct nfssvc_sock *, 178 struct lwp *, struct mbuf **); 179 int nfsrv_rename(struct nfsrv_descript *, struct nfssvc_sock *, 180 struct lwp *, struct mbuf **); 181 int nfsrv_link(struct nfsrv_descript *, struct nfssvc_sock *, 182 struct lwp *, struct mbuf **); 183 int nfsrv_symlink(struct nfsrv_descript *, struct nfssvc_sock *, 184 struct lwp *, struct mbuf **); 185 int nfsrv_mkdir(struct nfsrv_descript *, struct nfssvc_sock *, 186 struct lwp *, struct mbuf **); 187 int nfsrv_rmdir(struct nfsrv_descript *, struct nfssvc_sock *, 188 struct lwp *, struct mbuf **); 189 int nfsrv_readdir(struct nfsrv_descript *, struct nfssvc_sock *, 190 struct lwp *, struct mbuf **); 191 int nfsrv_readdirplus(struct nfsrv_descript *, struct nfssvc_sock *, 192 struct lwp *, struct mbuf **); 193 int nfsrv_commit(struct nfsrv_descript *, struct nfssvc_sock *, 194 struct lwp *, struct mbuf **); 195 int nfsrv_statfs(struct nfsrv_descript *, struct nfssvc_sock *, 196 struct lwp *, struct mbuf **); 197 int nfsrv_fsinfo(struct nfsrv_descript *, struct nfssvc_sock *, 198 struct lwp *, struct mbuf **); 199 int nfsrv_pathconf(struct nfsrv_descript *, struct nfssvc_sock *, 200 struct lwp *, struct mbuf **); 201 int nfsrv_null(struct nfsrv_descript *, struct nfssvc_sock *, 202 struct lwp *, struct mbuf **); 203 int nfsrv_noop(struct nfsrv_descript *, struct nfssvc_sock *, 204 struct lwp *, struct mbuf **); 205 int nfsrv_access(struct vnode *, int, struct ucred *, int, struct lwp *, int); 206 207 /* nfs_socket.c */ 208 int nfs_connect(struct nfsmount *, struct nfsreq *, struct lwp *); 209 int nfs_reconnect(struct nfsreq *, struct lwp *); 210 void nfs_disconnect(struct nfsmount *); 211 void nfs_safedisconnect(struct nfsmount *); 212 int nfs_send(struct socket *, struct mbuf *, struct mbuf *, struct nfsreq *, 213 struct lwp *); 214 int nfs_receive(struct nfsreq *, struct mbuf **, struct mbuf **, struct lwp *); 215 int nfs_reply(struct nfsreq *, struct lwp *); 216 int nfs_request(struct nfsnode *, struct mbuf *, int, struct lwp *, 217 struct ucred *, struct mbuf **, struct mbuf **, caddr_t *, int *); 218 int nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *, 219 int, int, u_quad_t *, struct mbuf **, struct mbuf **, caddr_t *); 220 void nfs_timer(void *); 221 int nfs_sigintr(struct nfsmount *, struct nfsreq *, struct lwp *); 222 int nfs_sndlock(int *, struct nfsreq *); 223 void nfs_exit(struct proc *, void *); 224 void nfs_sndunlock(int *); 225 int nfs_rcvlock(struct nfsreq *); 226 void nfs_rcvunlock(struct nfsmount *); 227 int nfs_getreq(struct nfsrv_descript *, struct nfsd *, int); 228 int nfs_msg(struct lwp *, const char *, const char *); 229 void nfsrv_rcv(struct socket *, caddr_t, int); 230 int nfsrv_getstream(struct nfssvc_sock *, int); 231 int nfsrv_dorec(struct nfssvc_sock *, struct nfsd *, struct nfsrv_descript **); 232 void nfsrv_wakenfsd(struct nfssvc_sock *); 233 int nfsdsock_lock(struct nfssvc_sock *, boolean_t); 234 void nfsdsock_unlock(struct nfssvc_sock *); 235 int nfsdsock_drain(struct nfssvc_sock *); 236 int nfsdsock_sendreply(struct nfssvc_sock *, struct nfsrv_descript *); 237 238 /* nfs_srvcache.c */ 239 void nfsrv_initcache(void); 240 int nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *, 241 struct mbuf **); 242 void nfsrv_updatecache(struct nfsrv_descript *, int, struct mbuf *); 243 void nfsrv_cleancache(void); 244 245 /* nfs_subs.c */ 246 struct mbuf *nfsm_reqh(struct nfsnode *, u_long, int, caddr_t *); 247 struct mbuf *nfsm_rpchead(struct ucred *, int, int, int, int, char *, int, 248 char *, struct mbuf *, int, struct mbuf **, u_int32_t *); 249 int nfsm_mbuftouio(struct mbuf **, struct uio *, int, caddr_t *); 250 int nfsm_uiotombuf(struct uio *, struct mbuf **, int, caddr_t *); 251 int nfsm_disct(struct mbuf **, caddr_t *, int, int, caddr_t *); 252 int nfs_adv(struct mbuf **, caddr_t *, int, int); 253 int nfsm_strtmbuf(struct mbuf **, char **, const char *, long); 254 u_long nfs_dirhash(off_t); 255 void nfs_initdircache(struct vnode *); 256 void nfs_initdirxlatecookie(struct vnode *); 257 struct nfsdircache *nfs_searchdircache(struct vnode *, off_t, int, int *); 258 struct nfsdircache *nfs_enterdircache(struct vnode *, off_t, off_t, int, 259 daddr_t); 260 void nfs_putdircache(struct nfsnode *, struct nfsdircache *); 261 void nfs_invaldircache(struct vnode *, int); 262 #define NFS_INVALDIRCACHE_FORCE 1 263 #define NFS_INVALDIRCACHE_KEEPEOF 2 264 void nfs_init __P((void)); 265 int nfsm_loadattrcache(struct vnode **, struct mbuf **, caddr_t *, 266 struct vattr *, int flags); 267 int nfs_loadattrcache(struct vnode **, struct nfs_fattr *, struct vattr *, 268 int flags); 269 int nfs_getattrcache(struct vnode *, struct vattr *); 270 void nfs_delayedtruncate(struct vnode *); 271 int nfs_check_wccdata(struct nfsnode *, const struct timespec *, 272 struct timespec *, boolean_t); 273 int nfs_namei(struct nameidata *, fhandle_t *, uint32_t, struct nfssvc_sock *, 274 struct mbuf *, struct mbuf **, caddr_t *, struct vnode **, struct lwp *, 275 int, int); 276 void nfs_zeropad(struct mbuf *, int, int); 277 void nfsm_srvwcc(struct nfsrv_descript *, int, struct vattr *, int, 278 struct vattr *, struct mbuf **, char **); 279 void nfsm_srvpostopattr(struct nfsrv_descript *, int, struct vattr *, 280 struct mbuf **, char **); 281 void nfsm_srvfattr(struct nfsrv_descript *, struct vattr *, struct nfs_fattr *); 282 int nfsrv_fhtovp(fhandle_t *, int, struct vnode **, struct ucred *, 283 struct nfssvc_sock *, struct mbuf *, int *, int, int); 284 int nfs_ispublicfh __P((fhandle_t *)); 285 int netaddr_match(int, union nethostaddr *, struct mbuf *); 286 287 /* flags for nfs_loadattrcache and friends */ 288 #define NAC_NOTRUNC 1 /* don't truncate file size */ 289 290 void nfs_clearcommit(struct mount *); 291 void nfs_merge_commit_ranges(struct vnode *); 292 int nfs_in_committed_range(struct vnode *, off_t, off_t); 293 int nfs_in_tobecommitted_range(struct vnode *, off_t, off_t); 294 void nfs_add_committed_range(struct vnode *, off_t, off_t); 295 void nfs_del_committed_range(struct vnode *, off_t, off_t); 296 void nfs_add_tobecommitted_range(struct vnode *, off_t, off_t); 297 void nfs_del_tobecommitted_range(struct vnode *, off_t, off_t); 298 299 int nfsrv_errmap(struct nfsrv_descript *, int); 300 void nfsrvw_sort(gid_t *, int); 301 void nfsrv_setcred(struct ucred *, struct ucred *); 302 void nfs_cookieheuristic(struct vnode *, int *, struct lwp *, struct ucred *); 303 304 u_int32_t nfs_getxid(void); 305 void nfs_renewxid(struct nfsreq *); 306 307 /* nfs_syscalls.c */ 308 int sys_getfh(struct lwp *, void *, register_t *); 309 int sys_nfssvc(struct lwp *, void *, register_t *); 310 int nfssvc_addsock(struct file *, struct mbuf *); 311 int nfssvc_nfsd(struct nfsd_srvargs *, caddr_t, struct lwp *); 312 void nfsrv_zapsock(struct nfssvc_sock *); 313 void nfsrv_slpderef(struct nfssvc_sock *); 314 void nfsrv_init(int); 315 int nfssvc_iod(struct lwp *); 316 void nfs_iodinit(void); 317 void start_nfsio(void *); 318 void nfs_getset_niothreads(int); 319 int nfs_getauth(struct nfsmount *, struct nfsreq *, struct ucred *, char **, 320 int *, char *, int *, NFSKERBKEY_T); 321 int nfs_getnickauth(struct nfsmount *, struct ucred *, char **, int *, char *, 322 int); 323 int nfs_savenickauth(struct nfsmount *, struct ucred *, int, NFSKERBKEY_T, 324 struct mbuf **, char **, struct mbuf *); 325 326 /* nfs_export.c */ 327 extern struct nfs_public nfs_pub; 328 int mountd_set_exports_list(const struct mountd_exports_list *, struct lwp *); 329 int netexport_check(const fsid_t *, struct mbuf *, struct mount **, int *, 330 struct ucred **); 331 void netexport_rdlock(void); 332 void netexport_rdunlock(void); 333 #ifdef COMPAT_30 334 int nfs_update_exports_30(struct mount *, const char *, void *, struct lwp *); 335 #endif 336 #endif /* _KERNEL */ 337