1 /* $NetBSD: nfs_var.h,v 1.62 2006/07/01 11:29:42 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 55 struct vnode; 56 struct uio; 57 struct proc; 58 struct buf; 59 struct nfs_diskless; 60 struct sockaddr_in; 61 struct nfs_dlmount; 62 struct vnode; 63 struct nfsd; 64 struct mbuf; 65 struct file; 66 struct nqlease; 67 struct nqhost; 68 struct nfssvc_sock; 69 struct nfsmount; 70 struct socket; 71 struct nfsreq; 72 struct vattr; 73 struct nameidata; 74 struct nfsnode; 75 struct sillyrename; 76 struct componentname; 77 struct nfsd_srvargs; 78 struct nfsrv_descript; 79 struct nfs_fattr; 80 struct nfsdircache; 81 union nethostaddr; 82 83 /* nfs_bio.c */ 84 int nfs_bioread(struct vnode *, struct uio *, int, kauth_cred_t, int); 85 struct buf *nfs_getcacheblk(struct vnode *, daddr_t, int, struct lwp *); 86 int nfs_vinvalbuf(struct vnode *, int, kauth_cred_t, struct lwp *, int); 87 int nfs_flushstalebuf(struct vnode *, kauth_cred_t, struct lwp *, int); 88 #define NFS_FLUSHSTALEBUF_MYWRITE 1 /* assume writes are ours */ 89 int nfs_asyncio(struct buf *); 90 int nfs_doio(struct buf *); 91 92 /* nfs_boot.c */ 93 /* see nfsdiskless.h */ 94 95 /* nfs_kq.c */ 96 void nfs_kqinit(void); 97 98 /* nfs_node.c */ 99 void nfs_nhinit(void); 100 void nfs_nhreinit(void); 101 void nfs_nhdone(void); 102 int nfs_nget1(struct mount *, nfsfh_t *, int, struct nfsnode **, int); 103 #define nfs_nget(mp, fhp, fhsize, npp) \ 104 nfs_nget1((mp), (fhp), (fhsize), (npp), 0) 105 106 /* nfs_vnops.c */ 107 int nfs_null(struct vnode *, kauth_cred_t, struct lwp *); 108 int nfs_setattrrpc(struct vnode *, struct vattr *, kauth_cred_t, struct lwp *); 109 int nfs_readlinkrpc(struct vnode *, struct uio *, kauth_cred_t); 110 int nfs_readrpc(struct vnode *, struct uio *); 111 int nfs_writerpc(struct vnode *, struct uio *, int *, boolean_t, boolean_t *); 112 int nfs_mknodrpc(struct vnode *, struct vnode **, struct componentname *, 113 struct vattr *); 114 int nfs_removeit(struct sillyrename *); 115 int nfs_removerpc(struct vnode *, const char *, int, kauth_cred_t, 116 struct lwp *); 117 int nfs_renameit(struct vnode *, struct componentname *, struct sillyrename *); 118 int nfs_renamerpc(struct vnode *, const char *, int, struct vnode *, 119 const char *, int, kauth_cred_t, struct lwp *); 120 int nfs_readdirrpc(struct vnode *, struct uio *, kauth_cred_t); 121 int nfs_readdirplusrpc(struct vnode *, struct uio *, kauth_cred_t); 122 int nfs_sillyrename(struct vnode *, struct vnode *, struct componentname *, 123 boolean_t); 124 int nfs_lookitup(struct vnode *, const char *, int, kauth_cred_t, 125 struct lwp *, struct nfsnode **); 126 int nfs_commit(struct vnode *, off_t, uint32_t, struct lwp *); 127 int nfs_flush(struct vnode *, kauth_cred_t, int, struct lwp *, int); 128 129 /* nfs_nqlease.c */ 130 void nqnfs_lease_updatetime(int); 131 void nqnfs_clientlease(struct nfsmount *, struct nfsnode *, int, int, time_t, 132 u_quad_t); 133 void nqsrv_locklease(struct nqlease *); 134 void nqsrv_unlocklease(struct nqlease *); 135 int nqsrv_getlease(struct vnode *, u_int32_t *, int, struct nfssvc_sock *, 136 struct lwp *, struct mbuf *, int *, u_quad_t *, kauth_cred_t); 137 void nqsrv_addhost(struct nqhost *, struct nfssvc_sock *, struct mbuf *); 138 void nqsrv_instimeq(struct nqlease *, u_int32_t); 139 int nqsrv_cmpnam(struct nfssvc_sock *, struct mbuf *, struct nqhost *); 140 void nqsrv_send_eviction(struct vnode *, struct nqlease *, 141 struct nfssvc_sock *, struct mbuf *, kauth_cred_t, struct lwp *); 142 void nqsrv_waitfor_expiry(struct nqlease *); 143 void nqnfs_serverd(void); 144 int nqnfsrv_getlease(struct nfsrv_descript *, struct nfssvc_sock *, 145 struct lwp *, struct mbuf **); 146 int nqnfsrv_vacated(struct nfsrv_descript *, struct nfssvc_sock *, 147 struct lwp *, struct mbuf **); 148 int nqnfs_getlease(struct vnode *, int, kauth_cred_t, struct lwp *); 149 int nqnfs_vacated(struct vnode *, kauth_cred_t, struct lwp *); 150 int nqnfs_callback(struct nfsmount *, struct mbuf *, struct mbuf *, 151 caddr_t, struct lwp *); 152 153 /* nfs_serv.c */ 154 int nfsrv3_access(struct nfsrv_descript *, struct nfssvc_sock *, 155 struct lwp *, struct mbuf **); 156 int nfsrv_getattr(struct nfsrv_descript *, struct nfssvc_sock *, 157 struct lwp *, struct mbuf **); 158 int nfsrv_setattr(struct nfsrv_descript *, struct nfssvc_sock *, 159 struct lwp *, struct mbuf **); 160 int nfsrv_lookup(struct nfsrv_descript *, struct nfssvc_sock *, 161 struct lwp *, struct mbuf **); 162 int nfsrv_readlink(struct nfsrv_descript *, struct nfssvc_sock *, 163 struct lwp *, struct mbuf **); 164 int nfsrv_read(struct nfsrv_descript *, struct nfssvc_sock *, 165 struct lwp *, struct mbuf **); 166 int nfsrv_write(struct nfsrv_descript *, struct nfssvc_sock *, 167 struct lwp *, struct mbuf **); 168 int nfsrv_writegather(struct nfsrv_descript **, struct nfssvc_sock *, 169 struct lwp *, struct mbuf **); 170 void nfsrvw_coalesce(struct nfsrv_descript *, struct nfsrv_descript *); 171 int nfsrv_create(struct nfsrv_descript *, struct nfssvc_sock *, 172 struct lwp *, struct mbuf **); 173 int nfsrv_mknod(struct nfsrv_descript *, struct nfssvc_sock *, 174 struct lwp *, struct mbuf **); 175 int nfsrv_remove(struct nfsrv_descript *, struct nfssvc_sock *, 176 struct lwp *, struct mbuf **); 177 int nfsrv_rename(struct nfsrv_descript *, struct nfssvc_sock *, 178 struct lwp *, struct mbuf **); 179 int nfsrv_link(struct nfsrv_descript *, struct nfssvc_sock *, 180 struct lwp *, struct mbuf **); 181 int nfsrv_symlink(struct nfsrv_descript *, struct nfssvc_sock *, 182 struct lwp *, struct mbuf **); 183 int nfsrv_mkdir(struct nfsrv_descript *, struct nfssvc_sock *, 184 struct lwp *, struct mbuf **); 185 int nfsrv_rmdir(struct nfsrv_descript *, struct nfssvc_sock *, 186 struct lwp *, struct mbuf **); 187 int nfsrv_readdir(struct nfsrv_descript *, struct nfssvc_sock *, 188 struct lwp *, struct mbuf **); 189 int nfsrv_readdirplus(struct nfsrv_descript *, struct nfssvc_sock *, 190 struct lwp *, struct mbuf **); 191 int nfsrv_commit(struct nfsrv_descript *, struct nfssvc_sock *, 192 struct lwp *, struct mbuf **); 193 int nfsrv_statfs(struct nfsrv_descript *, struct nfssvc_sock *, 194 struct lwp *, struct mbuf **); 195 int nfsrv_fsinfo(struct nfsrv_descript *, struct nfssvc_sock *, 196 struct lwp *, struct mbuf **); 197 int nfsrv_pathconf(struct nfsrv_descript *, struct nfssvc_sock *, 198 struct lwp *, struct mbuf **); 199 int nfsrv_null(struct nfsrv_descript *, struct nfssvc_sock *, 200 struct lwp *, struct mbuf **); 201 int nfsrv_noop(struct nfsrv_descript *, struct nfssvc_sock *, 202 struct lwp *, struct mbuf **); 203 int nfsrv_access(struct vnode *, int, kauth_cred_t, int, struct lwp *, int); 204 205 /* nfs_socket.c */ 206 int nfs_connect(struct nfsmount *, struct nfsreq *, struct lwp *); 207 int nfs_reconnect(struct nfsreq *, struct lwp *); 208 void nfs_disconnect(struct nfsmount *); 209 void nfs_safedisconnect(struct nfsmount *); 210 int nfs_send(struct socket *, struct mbuf *, struct mbuf *, struct nfsreq *, 211 struct lwp *); 212 int nfs_receive(struct nfsreq *, struct mbuf **, struct mbuf **, struct lwp *); 213 int nfs_reply(struct nfsreq *, struct lwp *); 214 int nfs_request(struct nfsnode *, struct mbuf *, int, struct lwp *, 215 kauth_cred_t, struct mbuf **, struct mbuf **, caddr_t *, int *); 216 int nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *, 217 int, int, u_quad_t *, struct mbuf **, struct mbuf **, caddr_t *); 218 void nfs_timer(void *); 219 int nfs_sigintr(struct nfsmount *, struct nfsreq *, struct lwp *); 220 int nfs_sndlock(int *, struct nfsreq *); 221 void nfs_exit(struct proc *, void *); 222 void nfs_sndunlock(int *); 223 int nfs_rcvlock(struct nfsreq *); 224 void nfs_rcvunlock(struct nfsmount *); 225 int nfs_getreq(struct nfsrv_descript *, struct nfsd *, int); 226 int nfs_msg(struct lwp *, const char *, const char *); 227 void nfsrv_rcv(struct socket *, caddr_t, int); 228 int nfsrv_getstream(struct nfssvc_sock *, int); 229 int nfsrv_dorec(struct nfssvc_sock *, struct nfsd *, struct nfsrv_descript **); 230 void nfsrv_wakenfsd(struct nfssvc_sock *); 231 int nfsdsock_lock(struct nfssvc_sock *, boolean_t); 232 void nfsdsock_unlock(struct nfssvc_sock *); 233 int nfsdsock_drain(struct nfssvc_sock *); 234 int nfsdsock_sendreply(struct nfssvc_sock *, struct nfsrv_descript *); 235 void nfsdreq_init(void); 236 struct nfsrv_descript *nfsdreq_alloc(void); 237 void nfsdreq_free(struct nfsrv_descript *); 238 239 /* nfs_srvcache.c */ 240 void nfsrv_initcache(void); 241 int nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *, 242 struct mbuf **); 243 void nfsrv_updatecache(struct nfsrv_descript *, int, struct mbuf *); 244 void nfsrv_cleancache(void); 245 246 /* nfs_subs.c */ 247 struct mbuf *nfsm_reqh(struct nfsnode *, u_long, int, caddr_t *); 248 struct mbuf *nfsm_rpchead(kauth_cred_t, int, int, int, int, char *, int, 249 char *, struct mbuf *, int, struct mbuf **, u_int32_t *); 250 int nfsm_mbuftouio(struct mbuf **, struct uio *, int, caddr_t *); 251 int nfsm_uiotombuf(struct uio *, struct mbuf **, int, caddr_t *); 252 int nfsm_disct(struct mbuf **, caddr_t *, int, int, caddr_t *); 253 int nfs_adv(struct mbuf **, caddr_t *, int, int); 254 int nfsm_strtmbuf(struct mbuf **, char **, const char *, long); 255 u_long nfs_dirhash(off_t); 256 void nfs_initdircache(struct vnode *); 257 void nfs_initdirxlatecookie(struct vnode *); 258 struct nfsdircache *nfs_searchdircache(struct vnode *, off_t, int, int *); 259 struct nfsdircache *nfs_enterdircache(struct vnode *, off_t, off_t, int, 260 daddr_t); 261 void nfs_putdircache(struct nfsnode *, struct nfsdircache *); 262 void nfs_invaldircache(struct vnode *, int); 263 #define NFS_INVALDIRCACHE_FORCE 1 264 #define NFS_INVALDIRCACHE_KEEPEOF 2 265 void nfs_init __P((void)); 266 int nfsm_loadattrcache(struct vnode **, struct mbuf **, caddr_t *, 267 struct vattr *, int flags); 268 int nfs_loadattrcache(struct vnode **, struct nfs_fattr *, struct vattr *, 269 int flags); 270 int nfs_getattrcache(struct vnode *, struct vattr *); 271 void nfs_delayedtruncate(struct vnode *); 272 int nfs_check_wccdata(struct nfsnode *, const struct timespec *, 273 struct timespec *, boolean_t); 274 int nfs_namei(struct nameidata *, fhandle_t *, uint32_t, struct nfssvc_sock *, 275 struct mbuf *, struct mbuf **, caddr_t *, struct vnode **, struct lwp *, 276 int, int); 277 void nfs_zeropad(struct mbuf *, int, int); 278 void nfsm_srvwcc(struct nfsrv_descript *, int, struct vattr *, int, 279 struct vattr *, struct mbuf **, char **); 280 void nfsm_srvpostopattr(struct nfsrv_descript *, int, struct vattr *, 281 struct mbuf **, char **); 282 void nfsm_srvfattr(struct nfsrv_descript *, struct vattr *, struct nfs_fattr *); 283 int nfsrv_fhtovp(fhandle_t *, int, struct vnode **, kauth_cred_t, 284 struct nfssvc_sock *, struct mbuf *, int *, int, int); 285 int nfs_ispublicfh __P((fhandle_t *)); 286 int netaddr_match(int, union nethostaddr *, struct mbuf *); 287 288 /* flags for nfs_loadattrcache and friends */ 289 #define NAC_NOTRUNC 1 /* don't truncate file size */ 290 291 void nfs_clearcommit(struct mount *); 292 void nfs_merge_commit_ranges(struct vnode *); 293 int nfs_in_committed_range(struct vnode *, off_t, off_t); 294 int nfs_in_tobecommitted_range(struct vnode *, off_t, off_t); 295 void nfs_add_committed_range(struct vnode *, off_t, off_t); 296 void nfs_del_committed_range(struct vnode *, off_t, off_t); 297 void nfs_add_tobecommitted_range(struct vnode *, off_t, off_t); 298 void nfs_del_tobecommitted_range(struct vnode *, off_t, off_t); 299 300 int nfsrv_errmap(struct nfsrv_descript *, int); 301 void nfs_cookieheuristic(struct vnode *, int *, struct lwp *, kauth_cred_t); 302 303 u_int32_t nfs_getxid(void); 304 void nfs_renewxid(struct nfsreq *); 305 306 /* nfs_syscalls.c */ 307 int sys_getfh(struct lwp *, void *, register_t *); 308 int sys_nfssvc(struct lwp *, void *, register_t *); 309 int nfssvc_addsock(struct file *, struct mbuf *); 310 int nfssvc_nfsd(struct nfsd_srvargs *, caddr_t, struct lwp *); 311 void nfsrv_zapsock(struct nfssvc_sock *); 312 void nfsrv_slpderef(struct nfssvc_sock *); 313 void nfsrv_init(int); 314 int nfssvc_iod(struct lwp *); 315 void nfs_iodinit(void); 316 void start_nfsio(void *); 317 void nfs_getset_niothreads(int); 318 int nfs_getauth(struct nfsmount *, struct nfsreq *, kauth_cred_t, char **, 319 int *, char *, int *, NFSKERBKEY_T); 320 int nfs_getnickauth(struct nfsmount *, kauth_cred_t, char **, int *, char *, 321 int); 322 int nfs_savenickauth(struct nfsmount *, kauth_cred_t, int, NFSKERBKEY_T, 323 struct mbuf **, char **, struct mbuf *); 324 325 /* nfs_export.c */ 326 extern struct nfs_public nfs_pub; 327 int mountd_set_exports_list(const struct mountd_exports_list *, struct lwp *); 328 int netexport_check(const fsid_t *, struct mbuf *, struct mount **, int *, 329 kauth_cred_t *); 330 void netexport_rdlock(void); 331 void netexport_rdunlock(void); 332 #ifdef COMPAT_30 333 int nfs_update_exports_30(struct mount *, const char *, void *, struct lwp *); 334 #endif 335 #endif /* _KERNEL */ 336