1 /* $NetBSD: nfs_var.h,v 1.74 2007/10/28 22:24:29 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 nfssvc_sock; 67 struct nfsmount; 68 struct socket; 69 struct nfsreq; 70 struct vattr; 71 struct nameidata; 72 struct nfsnode; 73 struct sillyrename; 74 struct componentname; 75 struct nfsd_srvargs; 76 struct nfsrv_descript; 77 struct nfs_fattr; 78 struct nfsdircache; 79 union nethostaddr; 80 81 /* nfs_bio.c */ 82 int nfs_bioread(struct vnode *, struct uio *, int, kauth_cred_t, int); 83 struct buf *nfs_getcacheblk(struct vnode *, daddr_t, int, struct lwp *); 84 int nfs_vinvalbuf(struct vnode *, int, kauth_cred_t, struct lwp *, int); 85 int nfs_flushstalebuf(struct vnode *, kauth_cred_t, struct lwp *, int); 86 #define NFS_FLUSHSTALEBUF_MYWRITE 1 /* assume writes are ours */ 87 int nfs_asyncio(struct buf *); 88 int nfs_doio(struct buf *); 89 90 /* nfs_boot.c */ 91 /* see nfsdiskless.h */ 92 93 /* nfs_kq.c */ 94 void nfs_kqinit(void); 95 96 /* nfs_node.c */ 97 void nfs_nhinit(void); 98 void nfs_nhreinit(void); 99 void nfs_nhdone(void); 100 int nfs_nget1(struct mount *, nfsfh_t *, int, struct nfsnode **, int); 101 #define nfs_nget(mp, fhp, fhsize, npp) \ 102 nfs_nget1((mp), (fhp), (fhsize), (npp), 0) 103 104 /* nfs_vnops.c */ 105 int nfs_null(struct vnode *, kauth_cred_t, struct lwp *); 106 int nfs_setattrrpc(struct vnode *, struct vattr *, kauth_cred_t, struct lwp *); 107 int nfs_readlinkrpc(struct vnode *, struct uio *, kauth_cred_t); 108 int nfs_readrpc(struct vnode *, struct uio *); 109 int nfs_writerpc(struct vnode *, struct uio *, int *, bool, bool *); 110 int nfs_mknodrpc(struct vnode *, struct vnode **, struct componentname *, 111 struct vattr *); 112 int nfs_removeit(struct sillyrename *); 113 int nfs_removerpc(struct vnode *, const char *, int, kauth_cred_t, 114 struct lwp *); 115 int nfs_renameit(struct vnode *, struct componentname *, struct sillyrename *); 116 int nfs_renamerpc(struct vnode *, const char *, int, struct vnode *, 117 const char *, int, kauth_cred_t, struct lwp *); 118 int nfs_readdirrpc(struct vnode *, struct uio *, kauth_cred_t); 119 int nfs_readdirplusrpc(struct vnode *, struct uio *, kauth_cred_t); 120 int nfs_sillyrename(struct vnode *, struct vnode *, struct componentname *, 121 bool); 122 int nfs_lookitup(struct vnode *, const char *, int, kauth_cred_t, 123 struct lwp *, struct nfsnode **); 124 int nfs_commit(struct vnode *, off_t, uint32_t, struct lwp *); 125 int nfs_flush(struct vnode *, kauth_cred_t, int, struct lwp *, int); 126 127 /* nfs_serv.c */ 128 int nfsrv3_access(struct nfsrv_descript *, struct nfssvc_sock *, 129 struct lwp *, struct mbuf **); 130 int nfsrv_getattr(struct nfsrv_descript *, struct nfssvc_sock *, 131 struct lwp *, struct mbuf **); 132 int nfsrv_setattr(struct nfsrv_descript *, struct nfssvc_sock *, 133 struct lwp *, struct mbuf **); 134 int nfsrv_lookup(struct nfsrv_descript *, struct nfssvc_sock *, 135 struct lwp *, struct mbuf **); 136 int nfsrv_readlink(struct nfsrv_descript *, struct nfssvc_sock *, 137 struct lwp *, struct mbuf **); 138 int nfsrv_read(struct nfsrv_descript *, struct nfssvc_sock *, 139 struct lwp *, struct mbuf **); 140 int nfsrv_write(struct nfsrv_descript *, struct nfssvc_sock *, 141 struct lwp *, struct mbuf **); 142 int nfsrv_writegather(struct nfsrv_descript **, struct nfssvc_sock *, 143 struct lwp *, struct mbuf **); 144 void nfsrvw_coalesce(struct nfsrv_descript *, struct nfsrv_descript *); 145 int nfsrv_create(struct nfsrv_descript *, struct nfssvc_sock *, 146 struct lwp *, struct mbuf **); 147 int nfsrv_mknod(struct nfsrv_descript *, struct nfssvc_sock *, 148 struct lwp *, struct mbuf **); 149 int nfsrv_remove(struct nfsrv_descript *, struct nfssvc_sock *, 150 struct lwp *, struct mbuf **); 151 int nfsrv_rename(struct nfsrv_descript *, struct nfssvc_sock *, 152 struct lwp *, struct mbuf **); 153 int nfsrv_link(struct nfsrv_descript *, struct nfssvc_sock *, 154 struct lwp *, struct mbuf **); 155 int nfsrv_symlink(struct nfsrv_descript *, struct nfssvc_sock *, 156 struct lwp *, struct mbuf **); 157 int nfsrv_mkdir(struct nfsrv_descript *, struct nfssvc_sock *, 158 struct lwp *, struct mbuf **); 159 int nfsrv_rmdir(struct nfsrv_descript *, struct nfssvc_sock *, 160 struct lwp *, struct mbuf **); 161 int nfsrv_readdir(struct nfsrv_descript *, struct nfssvc_sock *, 162 struct lwp *, struct mbuf **); 163 int nfsrv_readdirplus(struct nfsrv_descript *, struct nfssvc_sock *, 164 struct lwp *, struct mbuf **); 165 int nfsrv_commit(struct nfsrv_descript *, struct nfssvc_sock *, 166 struct lwp *, struct mbuf **); 167 int nfsrv_statfs(struct nfsrv_descript *, struct nfssvc_sock *, 168 struct lwp *, struct mbuf **); 169 int nfsrv_fsinfo(struct nfsrv_descript *, struct nfssvc_sock *, 170 struct lwp *, struct mbuf **); 171 int nfsrv_pathconf(struct nfsrv_descript *, struct nfssvc_sock *, 172 struct lwp *, struct mbuf **); 173 int nfsrv_null(struct nfsrv_descript *, struct nfssvc_sock *, 174 struct lwp *, struct mbuf **); 175 int nfsrv_noop(struct nfsrv_descript *, struct nfssvc_sock *, 176 struct lwp *, struct mbuf **); 177 int nfsrv_access(struct vnode *, int, kauth_cred_t, int, struct lwp *, int); 178 179 /* nfs_socket.c */ 180 int nfs_connect(struct nfsmount *, struct nfsreq *, struct lwp *); 181 int nfs_reconnect(struct nfsreq *); 182 void nfs_disconnect(struct nfsmount *); 183 void nfs_safedisconnect(struct nfsmount *); 184 int nfs_send(struct socket *, struct mbuf *, struct mbuf *, struct nfsreq *, 185 struct lwp *); 186 int nfs_receive(struct nfsreq *, struct mbuf **, struct mbuf **, struct lwp *); 187 int nfs_reply(struct nfsreq *, struct lwp *); 188 int nfs_request(struct nfsnode *, struct mbuf *, int, struct lwp *, 189 kauth_cred_t, struct mbuf **, struct mbuf **, char **, int *); 190 int nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *, 191 int, int, u_quad_t *, struct mbuf **, struct mbuf **, char **); 192 void nfs_timer(void *); 193 void nfs_timer_init(void); 194 void nfs_timer_start(void); 195 int nfs_sigintr(struct nfsmount *, struct nfsreq *, struct lwp *); 196 int nfs_getreq(struct nfsrv_descript *, struct nfsd *, int); 197 int nfs_msg(struct lwp *, const char *, const char *); 198 void nfsrv_rcv(struct socket *, void *, int); 199 int nfsrv_getstream(struct nfssvc_sock *, int); 200 int nfsrv_dorec(struct nfssvc_sock *, struct nfsd *, struct nfsrv_descript **); 201 void nfsrv_wakenfsd(struct nfssvc_sock *); 202 int nfsdsock_lock(struct nfssvc_sock *, bool); 203 void nfsdsock_unlock(struct nfssvc_sock *); 204 int nfsdsock_drain(struct nfssvc_sock *); 205 int nfsdsock_sendreply(struct nfssvc_sock *, struct nfsrv_descript *); 206 void nfsdreq_init(void); 207 struct nfsrv_descript *nfsdreq_alloc(void); 208 void nfsdreq_free(struct nfsrv_descript *); 209 210 /* nfs_srvcache.c */ 211 void nfsrv_initcache(void); 212 int nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *, 213 struct mbuf **); 214 void nfsrv_updatecache(struct nfsrv_descript *, int, struct mbuf *); 215 void nfsrv_cleancache(void); 216 217 /* nfs_subs.c */ 218 struct mbuf *nfsm_reqh(struct nfsnode *, u_long, int, char **); 219 struct mbuf *nfsm_rpchead(kauth_cred_t, int, int, int, int, char *, int, 220 char *, struct mbuf *, int, struct mbuf **, u_int32_t *); 221 int nfsm_mbuftouio(struct mbuf **, struct uio *, int, char **); 222 int nfsm_uiotombuf(struct uio *, struct mbuf **, int, char **); 223 int nfsm_disct(struct mbuf **, char **, int, int, char **); 224 int nfs_adv(struct mbuf **, char **, int, int); 225 int nfsm_strtmbuf(struct mbuf **, char **, const char *, long); 226 u_long nfs_dirhash(off_t); 227 void nfs_initdircache(struct vnode *); 228 void nfs_initdirxlatecookie(struct vnode *); 229 struct nfsdircache *nfs_searchdircache(struct vnode *, off_t, int, int *); 230 struct nfsdircache *nfs_enterdircache(struct vnode *, off_t, off_t, int, 231 daddr_t); 232 void nfs_putdircache(struct nfsnode *, struct nfsdircache *); 233 void nfs_invaldircache(struct vnode *, int); 234 #define NFS_INVALDIRCACHE_FORCE 1 235 #define NFS_INVALDIRCACHE_KEEPEOF 2 236 void nfs_init __P((void)); 237 int nfsm_loadattrcache(struct vnode **, struct mbuf **, char **, 238 struct vattr *, int flags); 239 int nfs_loadattrcache(struct vnode **, struct nfs_fattr *, struct vattr *, 240 int flags); 241 int nfs_getattrcache(struct vnode *, struct vattr *); 242 void nfs_delayedtruncate(struct vnode *); 243 int nfs_check_wccdata(struct nfsnode *, const struct timespec *, 244 struct timespec *, bool); 245 int nfs_namei(struct nameidata *, nfsrvfh_t *, uint32_t, struct nfssvc_sock *, 246 struct mbuf *, struct mbuf **, char **, struct vnode **, struct lwp *, 247 int, int); 248 void nfs_zeropad(struct mbuf *, int, int); 249 void nfsm_srvwcc(struct nfsrv_descript *, int, struct vattr *, int, 250 struct vattr *, struct mbuf **, char **); 251 void nfsm_srvpostopattr(struct nfsrv_descript *, int, struct vattr *, 252 struct mbuf **, char **); 253 void nfsm_srvfattr(struct nfsrv_descript *, struct vattr *, struct nfs_fattr *); 254 int nfsrv_fhtovp(nfsrvfh_t *, int, struct vnode **, kauth_cred_t, 255 struct nfssvc_sock *, struct mbuf *, int *, int, int); 256 int nfs_ispublicfh __P((const nfsrvfh_t *)); 257 int netaddr_match(int, union nethostaddr *, struct mbuf *); 258 time_t nfs_attrtimeo(struct nfsmount *, struct nfsnode *); 259 260 /* flags for nfs_loadattrcache and friends */ 261 #define NAC_NOTRUNC 1 /* don't truncate file size */ 262 263 void nfs_clearcommit(struct mount *); 264 void nfs_merge_commit_ranges(struct vnode *); 265 int nfs_in_committed_range(struct vnode *, off_t, off_t); 266 int nfs_in_tobecommitted_range(struct vnode *, off_t, off_t); 267 void nfs_add_committed_range(struct vnode *, off_t, off_t); 268 void nfs_del_committed_range(struct vnode *, off_t, off_t); 269 void nfs_add_tobecommitted_range(struct vnode *, off_t, off_t); 270 void nfs_del_tobecommitted_range(struct vnode *, off_t, off_t); 271 272 int nfsrv_errmap(struct nfsrv_descript *, int); 273 void nfs_cookieheuristic(struct vnode *, int *, struct lwp *, kauth_cred_t); 274 275 u_int32_t nfs_getxid(void); 276 void nfs_renewxid(struct nfsreq *); 277 278 int nfsrv_composefh(struct vnode *, nfsrvfh_t *, bool); 279 int nfsrv_comparefh(const nfsrvfh_t *, const nfsrvfh_t *); 280 void nfsrv_copyfh(nfsrvfh_t *, const nfsrvfh_t *); 281 282 /* nfs_syscalls.c */ 283 int sys_getfh(struct lwp *, void *, register_t *); 284 int sys_nfssvc(struct lwp *, void *, register_t *); 285 int nfssvc_addsock(struct file *, struct mbuf *); 286 int nfssvc_nfsd(struct nfsd_srvargs *, void *, struct lwp *); 287 void nfsrv_zapsock(struct nfssvc_sock *); 288 void nfsrv_slpderef(struct nfssvc_sock *); 289 void nfsrv_init(int); 290 void nfs_iodinit(void); 291 int nfs_set_niothreads(int); 292 int nfs_getauth(struct nfsmount *, struct nfsreq *, kauth_cred_t, char **, 293 int *, char *, int *, NFSKERBKEY_T); 294 int nfs_getnickauth(struct nfsmount *, kauth_cred_t, char **, int *, char *, 295 int); 296 int nfs_savenickauth(struct nfsmount *, kauth_cred_t, int, NFSKERBKEY_T, 297 struct mbuf **, char **, struct mbuf *); 298 299 /* nfs_export.c */ 300 extern struct nfs_public nfs_pub; 301 int mountd_set_exports_list(const struct mountd_exports_list *, struct lwp *); 302 int netexport_check(const fsid_t *, struct mbuf *, struct mount **, int *, 303 kauth_cred_t *); 304 void netexport_rdlock(void); 305 void netexport_rdunlock(void); 306 #ifdef COMPAT_30 307 int nfs_update_exports_30(struct mount *, const char *, 308 struct mnt_export_args30 *, struct lwp *); 309 #endif 310 #endif /* _KERNEL */ 311