1 /* $NetBSD: nfs_var.h,v 1.85 2008/11/28 06:47:08 pooka 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * XXX needs <nfs/rpcv2.h> and <nfs/nfs.h> because of typedefs 34 */ 35 36 #ifdef _KERNEL 37 #include <sys/mallocvar.h> 38 #include <sys/pool.h> 39 40 struct vnode; 41 struct uio; 42 struct proc; 43 struct buf; 44 struct nfs_diskless; 45 struct sockaddr_in; 46 struct nfs_dlmount; 47 struct vnode; 48 struct nfsd; 49 struct mbuf; 50 struct file; 51 struct nfssvc_sock; 52 struct nfsmount; 53 struct socket; 54 struct nfsreq; 55 struct vattr; 56 struct nameidata; 57 struct nfsnode; 58 struct sillyrename; 59 struct componentname; 60 struct nfsd_srvargs; 61 struct nfsrv_descript; 62 struct nfs_fattr; 63 struct nfsdircache; 64 union nethostaddr; 65 66 /* nfs_bio.c */ 67 int nfs_bioread(struct vnode *, struct uio *, int, kauth_cred_t, int); 68 struct buf *nfs_getcacheblk(struct vnode *, daddr_t, int, struct lwp *); 69 int nfs_vinvalbuf(struct vnode *, int, kauth_cred_t, struct lwp *, int); 70 int nfs_flushstalebuf(struct vnode *, kauth_cred_t, struct lwp *, int); 71 #define NFS_FLUSHSTALEBUF_MYWRITE 1 /* assume writes are ours */ 72 int nfs_asyncio(struct buf *); 73 int nfs_doio(struct buf *); 74 75 /* nfs_boot.c */ 76 /* see nfsdiskless.h */ 77 78 /* nfs_kq.c */ 79 void nfs_kqinit(void); 80 void nfs_kqfini(void); 81 82 /* nfs_node.c */ 83 void nfs_rbtinit(struct nfsmount *); 84 void nfs_node_init(void); 85 void nfs_node_done(void); 86 87 int nfs_nget1(struct mount *, nfsfh_t *, int, struct nfsnode **, int); 88 #define nfs_nget(mp, fhp, fhsize, npp) \ 89 nfs_nget1((mp), (fhp), (fhsize), (npp), 0) 90 91 /* nfs_vnops.c */ 92 int nfs_null(struct vnode *, kauth_cred_t, struct lwp *); 93 int nfs_setattrrpc(struct vnode *, struct vattr *, kauth_cred_t, struct lwp *); 94 int nfs_readlinkrpc(struct vnode *, struct uio *, kauth_cred_t); 95 int nfs_readrpc(struct vnode *, struct uio *); 96 int nfs_writerpc(struct vnode *, struct uio *, int *, bool, bool *); 97 int nfs_mknodrpc(struct vnode *, struct vnode **, struct componentname *, 98 struct vattr *); 99 int nfs_removeit(struct sillyrename *); 100 int nfs_removerpc(struct vnode *, const char *, int, kauth_cred_t, 101 struct lwp *); 102 int nfs_renameit(struct vnode *, struct componentname *, struct sillyrename *); 103 int nfs_renamerpc(struct vnode *, const char *, int, struct vnode *, 104 const char *, int, kauth_cred_t, struct lwp *); 105 int nfs_readdirrpc(struct vnode *, struct uio *, kauth_cred_t); 106 int nfs_readdirplusrpc(struct vnode *, struct uio *, kauth_cred_t); 107 int nfs_sillyrename(struct vnode *, struct vnode *, struct componentname *, 108 bool); 109 int nfs_lookitup(struct vnode *, const char *, int, kauth_cred_t, 110 struct lwp *, struct nfsnode **); 111 int nfs_commit(struct vnode *, off_t, uint32_t, struct lwp *); 112 int nfs_flush(struct vnode *, kauth_cred_t, int, struct lwp *, int); 113 114 /* nfs_serv.c */ 115 int nfsrv3_access(struct nfsrv_descript *, struct nfssvc_sock *, 116 struct lwp *, struct mbuf **); 117 int nfsrv_getattr(struct nfsrv_descript *, struct nfssvc_sock *, 118 struct lwp *, struct mbuf **); 119 int nfsrv_setattr(struct nfsrv_descript *, struct nfssvc_sock *, 120 struct lwp *, struct mbuf **); 121 int nfsrv_lookup(struct nfsrv_descript *, struct nfssvc_sock *, 122 struct lwp *, struct mbuf **); 123 int nfsrv_readlink(struct nfsrv_descript *, struct nfssvc_sock *, 124 struct lwp *, struct mbuf **); 125 int nfsrv_read(struct nfsrv_descript *, struct nfssvc_sock *, 126 struct lwp *, struct mbuf **); 127 int nfsrv_write(struct nfsrv_descript *, struct nfssvc_sock *, 128 struct lwp *, struct mbuf **); 129 int nfsrv_writegather(struct nfsrv_descript **, struct nfssvc_sock *, 130 struct lwp *, struct mbuf **); 131 void nfsrvw_coalesce(struct nfsrv_descript *, struct nfsrv_descript *); 132 int nfsrv_create(struct nfsrv_descript *, struct nfssvc_sock *, 133 struct lwp *, struct mbuf **); 134 int nfsrv_mknod(struct nfsrv_descript *, struct nfssvc_sock *, 135 struct lwp *, struct mbuf **); 136 int nfsrv_remove(struct nfsrv_descript *, struct nfssvc_sock *, 137 struct lwp *, struct mbuf **); 138 int nfsrv_rename(struct nfsrv_descript *, struct nfssvc_sock *, 139 struct lwp *, struct mbuf **); 140 int nfsrv_link(struct nfsrv_descript *, struct nfssvc_sock *, 141 struct lwp *, struct mbuf **); 142 int nfsrv_symlink(struct nfsrv_descript *, struct nfssvc_sock *, 143 struct lwp *, struct mbuf **); 144 int nfsrv_mkdir(struct nfsrv_descript *, struct nfssvc_sock *, 145 struct lwp *, struct mbuf **); 146 int nfsrv_rmdir(struct nfsrv_descript *, struct nfssvc_sock *, 147 struct lwp *, struct mbuf **); 148 int nfsrv_readdir(struct nfsrv_descript *, struct nfssvc_sock *, 149 struct lwp *, struct mbuf **); 150 int nfsrv_readdirplus(struct nfsrv_descript *, struct nfssvc_sock *, 151 struct lwp *, struct mbuf **); 152 int nfsrv_commit(struct nfsrv_descript *, struct nfssvc_sock *, 153 struct lwp *, struct mbuf **); 154 int nfsrv_statfs(struct nfsrv_descript *, struct nfssvc_sock *, 155 struct lwp *, struct mbuf **); 156 int nfsrv_fsinfo(struct nfsrv_descript *, struct nfssvc_sock *, 157 struct lwp *, struct mbuf **); 158 int nfsrv_pathconf(struct nfsrv_descript *, struct nfssvc_sock *, 159 struct lwp *, struct mbuf **); 160 int nfsrv_null(struct nfsrv_descript *, struct nfssvc_sock *, 161 struct lwp *, struct mbuf **); 162 int nfsrv_noop(struct nfsrv_descript *, struct nfssvc_sock *, 163 struct lwp *, struct mbuf **); 164 int nfsrv_access(struct vnode *, int, kauth_cred_t, int, struct lwp *, int); 165 166 /* nfs_socket.c */ 167 int nfs_connect(struct nfsmount *, struct nfsreq *, struct lwp *); 168 int nfs_reconnect(struct nfsreq *); 169 void nfs_disconnect(struct nfsmount *); 170 void nfs_safedisconnect(struct nfsmount *); 171 int nfs_send(struct socket *, struct mbuf *, struct mbuf *, struct nfsreq *, 172 struct lwp *); 173 int nfs_request(struct nfsnode *, struct mbuf *, int, struct lwp *, 174 kauth_cred_t, struct mbuf **, struct mbuf **, char **, int *); 175 int nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *, 176 int, int, u_quad_t *, struct mbuf **, struct mbuf **, char **); 177 void nfs_timer(void *); 178 void nfs_timer_init(void); 179 void nfs_timer_fini(void); 180 void nfs_timer_start(void); 181 void nfs_timer_srvinit(bool (*)(void)); 182 void nfs_timer_srvfini(void); 183 int nfs_sigintr(struct nfsmount *, struct nfsreq *, struct lwp *); 184 int nfs_getreq(struct nfsrv_descript *, struct nfsd *, int); 185 int nfs_msg(struct lwp *, const char *, const char *); 186 void nfsrv_soupcall(struct socket *, void *, int); 187 void nfsrv_rcv(struct nfssvc_sock *); 188 int nfsrv_getstream(struct nfssvc_sock *, int); 189 int nfsrv_dorec(struct nfssvc_sock *, struct nfsd *, struct nfsrv_descript **, 190 bool *); 191 void nfsrv_wakenfsd(struct nfssvc_sock *); 192 int nfsdsock_lock(struct nfssvc_sock *, bool); 193 void nfsdsock_unlock(struct nfssvc_sock *); 194 int nfsdsock_drain(struct nfssvc_sock *); 195 int nfsdsock_sendreply(struct nfssvc_sock *, struct nfsrv_descript *); 196 void nfsdreq_init(void); 197 void nfsdreq_fini(void); 198 struct nfsrv_descript *nfsdreq_alloc(void); 199 void nfsdreq_free(struct nfsrv_descript *); 200 bool nfsrv_timer(void); 201 202 void nfsdsock_setbits(struct nfssvc_sock *, int); 203 void nfsdsock_clearbits(struct nfssvc_sock *, int); 204 bool nfsdsock_testbits(struct nfssvc_sock *, int); 205 206 /* nfs_srvcache.c */ 207 void nfsrv_initcache(void); 208 void nfsrv_finicache(void); 209 int nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *, 210 struct mbuf **); 211 void nfsrv_updatecache(struct nfsrv_descript *, int, struct mbuf *); 212 void nfsrv_cleancache(void); 213 214 /* nfs_subs.c */ 215 struct mbuf *nfsm_reqh(struct nfsnode *, u_long, int, char **); 216 struct mbuf *nfsm_rpchead(kauth_cred_t, int, int, int, int, char *, int, 217 char *, struct mbuf *, int, struct mbuf **, u_int32_t *); 218 int nfsm_mbuftouio(struct mbuf **, struct uio *, int, char **); 219 int nfsm_uiotombuf(struct uio *, struct mbuf **, int, char **); 220 int nfsm_disct(struct mbuf **, char **, int, int, char **); 221 int nfs_adv(struct mbuf **, char **, int, int); 222 int nfsm_strtmbuf(struct mbuf **, char **, const char *, long); 223 u_long nfs_dirhash(off_t); 224 void nfs_initdircache(struct vnode *); 225 void nfs_initdirxlatecookie(struct vnode *); 226 struct nfsdircache *nfs_searchdircache(struct vnode *, off_t, int, int *); 227 struct nfsdircache *nfs_enterdircache(struct vnode *, off_t, off_t, int, 228 daddr_t); 229 void nfs_putdircache(struct nfsnode *, struct nfsdircache *); 230 void nfs_invaldircache(struct vnode *, int); 231 #define NFS_INVALDIRCACHE_FORCE 1 232 #define NFS_INVALDIRCACHE_KEEPEOF 2 233 void nfs_init(void); 234 void nfs_fini(void); 235 int nfsm_loadattrcache(struct vnode **, struct mbuf **, char **, 236 struct vattr *, int flags); 237 int nfs_loadattrcache(struct vnode **, struct nfs_fattr *, struct vattr *, 238 int flags); 239 int nfs_getattrcache(struct vnode *, struct vattr *); 240 void nfs_delayedtruncate(struct vnode *); 241 int nfs_check_wccdata(struct nfsnode *, const struct timespec *, 242 struct timespec *, bool); 243 int nfs_namei(struct nameidata *, nfsrvfh_t *, uint32_t, struct nfssvc_sock *, 244 struct mbuf *, struct mbuf **, char **, struct vnode **, struct lwp *, 245 int, int); 246 void nfs_zeropad(struct mbuf *, int, int); 247 void nfsm_srvwcc(struct nfsrv_descript *, int, struct vattr *, int, 248 struct vattr *, struct mbuf **, char **); 249 void nfsm_srvpostopattr(struct nfsrv_descript *, int, struct vattr *, 250 struct mbuf **, char **); 251 void nfsm_srvfattr(struct nfsrv_descript *, struct vattr *, struct nfs_fattr *); 252 int nfsrv_fhtovp(nfsrvfh_t *, int, struct vnode **, kauth_cred_t, 253 struct nfssvc_sock *, struct mbuf *, int *, int, int); 254 int nfs_ispublicfh __P((const nfsrvfh_t *)); 255 int netaddr_match(int, union nethostaddr *, struct mbuf *); 256 time_t nfs_attrtimeo(struct nfsmount *, struct nfsnode *); 257 258 /* flags for nfs_loadattrcache and friends */ 259 #define NAC_NOTRUNC 1 /* don't truncate file size */ 260 261 void nfs_clearcommit(struct mount *); 262 void nfs_merge_commit_ranges(struct vnode *); 263 int nfs_in_committed_range(struct vnode *, off_t, off_t); 264 int nfs_in_tobecommitted_range(struct vnode *, off_t, off_t); 265 void nfs_add_committed_range(struct vnode *, off_t, off_t); 266 void nfs_del_committed_range(struct vnode *, off_t, off_t); 267 void nfs_add_tobecommitted_range(struct vnode *, off_t, off_t); 268 void nfs_del_tobecommitted_range(struct vnode *, off_t, off_t); 269 270 int nfsrv_errmap(struct nfsrv_descript *, int); 271 void nfs_cookieheuristic(struct vnode *, int *, struct lwp *, kauth_cred_t); 272 273 u_int32_t nfs_getxid(void); 274 void nfs_renewxid(struct nfsreq *); 275 276 int nfsrv_composefh(struct vnode *, nfsrvfh_t *, bool); 277 int nfsrv_comparefh(const nfsrvfh_t *, const nfsrvfh_t *); 278 void nfsrv_copyfh(nfsrvfh_t *, const nfsrvfh_t *); 279 280 /* nfs_syscalls.c */ 281 struct sys_getfh_args; 282 struct sys_nfssvc_args; 283 int sys_getfh(struct lwp *, const struct sys_getfh_args *, register_t *); 284 int sys_nfssvc(struct lwp *, const struct sys_nfssvc_args *, 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 nfsrv_fini(void); 291 void nfs_iodinit(void); 292 void nfs_iodfini(void); 293 int nfs_set_niothreads(int); 294 int nfs_getauth(struct nfsmount *, struct nfsreq *, kauth_cred_t, char **, 295 int *, char *, int *, NFSKERBKEY_T); 296 int nfs_getnickauth(struct nfsmount *, kauth_cred_t, char **, int *, char *, 297 int); 298 int nfs_savenickauth(struct nfsmount *, kauth_cred_t, int, NFSKERBKEY_T, 299 struct mbuf **, char **, struct mbuf *); 300 301 /* nfs_export.c */ 302 extern struct nfs_public nfs_pub; 303 int mountd_set_exports_list(const struct mountd_exports_list *, struct lwp *); 304 int netexport_check(const fsid_t *, struct mbuf *, struct mount **, int *, 305 kauth_cred_t *); 306 void netexport_rdlock(void); 307 void netexport_rdunlock(void); 308 #endif /* _KERNEL */ 309