1 /* $NetBSD: nfs_var.h,v 1.79 2008/04/28 20:24:10 martin 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 MALLOC_DECLARE(M_NFSD); 41 MALLOC_DECLARE(M_NFSDIROFF); 42 43 struct vnode; 44 struct uio; 45 struct proc; 46 struct buf; 47 struct nfs_diskless; 48 struct sockaddr_in; 49 struct nfs_dlmount; 50 struct vnode; 51 struct nfsd; 52 struct mbuf; 53 struct file; 54 struct nfssvc_sock; 55 struct nfsmount; 56 struct socket; 57 struct nfsreq; 58 struct vattr; 59 struct nameidata; 60 struct nfsnode; 61 struct sillyrename; 62 struct componentname; 63 struct nfsd_srvargs; 64 struct nfsrv_descript; 65 struct nfs_fattr; 66 struct nfsdircache; 67 union nethostaddr; 68 69 /* nfs_bio.c */ 70 int nfs_bioread(struct vnode *, struct uio *, int, kauth_cred_t, int); 71 struct buf *nfs_getcacheblk(struct vnode *, daddr_t, int, struct lwp *); 72 int nfs_vinvalbuf(struct vnode *, int, kauth_cred_t, struct lwp *, int); 73 int nfs_flushstalebuf(struct vnode *, kauth_cred_t, struct lwp *, int); 74 #define NFS_FLUSHSTALEBUF_MYWRITE 1 /* assume writes are ours */ 75 int nfs_asyncio(struct buf *); 76 int nfs_doio(struct buf *); 77 78 /* nfs_boot.c */ 79 /* see nfsdiskless.h */ 80 81 /* nfs_kq.c */ 82 void nfs_kqinit(void); 83 84 /* nfs_node.c */ 85 void nfs_nhinit(void); 86 void nfs_nhreinit(void); 87 void nfs_nhdone(void); 88 int nfs_nget1(struct mount *, nfsfh_t *, int, struct nfsnode **, int); 89 #define nfs_nget(mp, fhp, fhsize, npp) \ 90 nfs_nget1((mp), (fhp), (fhsize), (npp), 0) 91 92 /* nfs_vnops.c */ 93 int nfs_null(struct vnode *, kauth_cred_t, struct lwp *); 94 int nfs_setattrrpc(struct vnode *, struct vattr *, kauth_cred_t, struct lwp *); 95 int nfs_readlinkrpc(struct vnode *, struct uio *, kauth_cred_t); 96 int nfs_readrpc(struct vnode *, struct uio *); 97 int nfs_writerpc(struct vnode *, struct uio *, int *, bool, bool *); 98 int nfs_mknodrpc(struct vnode *, struct vnode **, struct componentname *, 99 struct vattr *); 100 int nfs_removeit(struct sillyrename *); 101 int nfs_removerpc(struct vnode *, const char *, int, kauth_cred_t, 102 struct lwp *); 103 int nfs_renameit(struct vnode *, struct componentname *, struct sillyrename *); 104 int nfs_renamerpc(struct vnode *, const char *, int, struct vnode *, 105 const char *, int, kauth_cred_t, struct lwp *); 106 int nfs_readdirrpc(struct vnode *, struct uio *, kauth_cred_t); 107 int nfs_readdirplusrpc(struct vnode *, struct uio *, kauth_cred_t); 108 int nfs_sillyrename(struct vnode *, struct vnode *, struct componentname *, 109 bool); 110 int nfs_lookitup(struct vnode *, const char *, int, kauth_cred_t, 111 struct lwp *, struct nfsnode **); 112 int nfs_commit(struct vnode *, off_t, uint32_t, struct lwp *); 113 int nfs_flush(struct vnode *, kauth_cred_t, int, struct lwp *, int); 114 115 /* nfs_serv.c */ 116 int nfsrv3_access(struct nfsrv_descript *, struct nfssvc_sock *, 117 struct lwp *, struct mbuf **); 118 int nfsrv_getattr(struct nfsrv_descript *, struct nfssvc_sock *, 119 struct lwp *, struct mbuf **); 120 int nfsrv_setattr(struct nfsrv_descript *, struct nfssvc_sock *, 121 struct lwp *, struct mbuf **); 122 int nfsrv_lookup(struct nfsrv_descript *, struct nfssvc_sock *, 123 struct lwp *, struct mbuf **); 124 int nfsrv_readlink(struct nfsrv_descript *, struct nfssvc_sock *, 125 struct lwp *, struct mbuf **); 126 int nfsrv_read(struct nfsrv_descript *, struct nfssvc_sock *, 127 struct lwp *, struct mbuf **); 128 int nfsrv_write(struct nfsrv_descript *, struct nfssvc_sock *, 129 struct lwp *, struct mbuf **); 130 int nfsrv_writegather(struct nfsrv_descript **, struct nfssvc_sock *, 131 struct lwp *, struct mbuf **); 132 void nfsrvw_coalesce(struct nfsrv_descript *, struct nfsrv_descript *); 133 int nfsrv_create(struct nfsrv_descript *, struct nfssvc_sock *, 134 struct lwp *, struct mbuf **); 135 int nfsrv_mknod(struct nfsrv_descript *, struct nfssvc_sock *, 136 struct lwp *, struct mbuf **); 137 int nfsrv_remove(struct nfsrv_descript *, struct nfssvc_sock *, 138 struct lwp *, struct mbuf **); 139 int nfsrv_rename(struct nfsrv_descript *, struct nfssvc_sock *, 140 struct lwp *, struct mbuf **); 141 int nfsrv_link(struct nfsrv_descript *, struct nfssvc_sock *, 142 struct lwp *, struct mbuf **); 143 int nfsrv_symlink(struct nfsrv_descript *, struct nfssvc_sock *, 144 struct lwp *, struct mbuf **); 145 int nfsrv_mkdir(struct nfsrv_descript *, struct nfssvc_sock *, 146 struct lwp *, struct mbuf **); 147 int nfsrv_rmdir(struct nfsrv_descript *, struct nfssvc_sock *, 148 struct lwp *, struct mbuf **); 149 int nfsrv_readdir(struct nfsrv_descript *, struct nfssvc_sock *, 150 struct lwp *, struct mbuf **); 151 int nfsrv_readdirplus(struct nfsrv_descript *, struct nfssvc_sock *, 152 struct lwp *, struct mbuf **); 153 int nfsrv_commit(struct nfsrv_descript *, struct nfssvc_sock *, 154 struct lwp *, struct mbuf **); 155 int nfsrv_statfs(struct nfsrv_descript *, struct nfssvc_sock *, 156 struct lwp *, struct mbuf **); 157 int nfsrv_fsinfo(struct nfsrv_descript *, struct nfssvc_sock *, 158 struct lwp *, struct mbuf **); 159 int nfsrv_pathconf(struct nfsrv_descript *, struct nfssvc_sock *, 160 struct lwp *, struct mbuf **); 161 int nfsrv_null(struct nfsrv_descript *, struct nfssvc_sock *, 162 struct lwp *, struct mbuf **); 163 int nfsrv_noop(struct nfsrv_descript *, struct nfssvc_sock *, 164 struct lwp *, struct mbuf **); 165 int nfsrv_access(struct vnode *, int, kauth_cred_t, int, struct lwp *, int); 166 167 /* nfs_socket.c */ 168 int nfs_connect(struct nfsmount *, struct nfsreq *, struct lwp *); 169 int nfs_reconnect(struct nfsreq *); 170 void nfs_disconnect(struct nfsmount *); 171 void nfs_safedisconnect(struct nfsmount *); 172 int nfs_send(struct socket *, struct mbuf *, struct mbuf *, struct nfsreq *, 173 struct lwp *); 174 int nfs_request(struct nfsnode *, struct mbuf *, int, struct lwp *, 175 kauth_cred_t, struct mbuf **, struct mbuf **, char **, int *); 176 int nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *, 177 int, int, u_quad_t *, struct mbuf **, struct mbuf **, char **); 178 void nfs_timer(void *); 179 void nfs_timer_init(void); 180 void nfs_timer_start(void); 181 int nfs_sigintr(struct nfsmount *, struct nfsreq *, struct lwp *); 182 int nfs_getreq(struct nfsrv_descript *, struct nfsd *, int); 183 int nfs_msg(struct lwp *, const char *, const char *); 184 void nfsrv_soupcall(struct socket *, void *, int); 185 void nfsrv_rcv(struct nfssvc_sock *); 186 int nfsrv_getstream(struct nfssvc_sock *, int); 187 int nfsrv_dorec(struct nfssvc_sock *, struct nfsd *, struct nfsrv_descript **, 188 bool *); 189 void nfsrv_wakenfsd(struct nfssvc_sock *); 190 int nfsdsock_lock(struct nfssvc_sock *, bool); 191 void nfsdsock_unlock(struct nfssvc_sock *); 192 int nfsdsock_drain(struct nfssvc_sock *); 193 int nfsdsock_sendreply(struct nfssvc_sock *, struct nfsrv_descript *); 194 void nfsdreq_init(void); 195 struct nfsrv_descript *nfsdreq_alloc(void); 196 void nfsdreq_free(struct nfsrv_descript *); 197 198 void nfsdsock_setbits(struct nfssvc_sock *, int); 199 void nfsdsock_clearbits(struct nfssvc_sock *, int); 200 bool nfsdsock_testbits(struct nfssvc_sock *, int); 201 202 /* nfs_srvcache.c */ 203 void nfsrv_initcache(void); 204 int nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *, 205 struct mbuf **); 206 void nfsrv_updatecache(struct nfsrv_descript *, int, struct mbuf *); 207 void nfsrv_cleancache(void); 208 209 /* nfs_subs.c */ 210 struct mbuf *nfsm_reqh(struct nfsnode *, u_long, int, char **); 211 struct mbuf *nfsm_rpchead(kauth_cred_t, int, int, int, int, char *, int, 212 char *, struct mbuf *, int, struct mbuf **, u_int32_t *); 213 int nfsm_mbuftouio(struct mbuf **, struct uio *, int, char **); 214 int nfsm_uiotombuf(struct uio *, struct mbuf **, int, char **); 215 int nfsm_disct(struct mbuf **, char **, int, int, char **); 216 int nfs_adv(struct mbuf **, char **, int, int); 217 int nfsm_strtmbuf(struct mbuf **, char **, const char *, long); 218 u_long nfs_dirhash(off_t); 219 void nfs_initdircache(struct vnode *); 220 void nfs_initdirxlatecookie(struct vnode *); 221 struct nfsdircache *nfs_searchdircache(struct vnode *, off_t, int, int *); 222 struct nfsdircache *nfs_enterdircache(struct vnode *, off_t, off_t, int, 223 daddr_t); 224 void nfs_putdircache(struct nfsnode *, struct nfsdircache *); 225 void nfs_invaldircache(struct vnode *, int); 226 #define NFS_INVALDIRCACHE_FORCE 1 227 #define NFS_INVALDIRCACHE_KEEPEOF 2 228 void nfs_init __P((void)); 229 int nfsm_loadattrcache(struct vnode **, struct mbuf **, char **, 230 struct vattr *, int flags); 231 int nfs_loadattrcache(struct vnode **, struct nfs_fattr *, struct vattr *, 232 int flags); 233 int nfs_getattrcache(struct vnode *, struct vattr *); 234 void nfs_delayedtruncate(struct vnode *); 235 int nfs_check_wccdata(struct nfsnode *, const struct timespec *, 236 struct timespec *, bool); 237 int nfs_namei(struct nameidata *, nfsrvfh_t *, uint32_t, struct nfssvc_sock *, 238 struct mbuf *, struct mbuf **, char **, struct vnode **, struct lwp *, 239 int, int); 240 void nfs_zeropad(struct mbuf *, int, int); 241 void nfsm_srvwcc(struct nfsrv_descript *, int, struct vattr *, int, 242 struct vattr *, struct mbuf **, char **); 243 void nfsm_srvpostopattr(struct nfsrv_descript *, int, struct vattr *, 244 struct mbuf **, char **); 245 void nfsm_srvfattr(struct nfsrv_descript *, struct vattr *, struct nfs_fattr *); 246 int nfsrv_fhtovp(nfsrvfh_t *, int, struct vnode **, kauth_cred_t, 247 struct nfssvc_sock *, struct mbuf *, int *, int, int); 248 int nfs_ispublicfh __P((const nfsrvfh_t *)); 249 int netaddr_match(int, union nethostaddr *, struct mbuf *); 250 time_t nfs_attrtimeo(struct nfsmount *, struct nfsnode *); 251 252 /* flags for nfs_loadattrcache and friends */ 253 #define NAC_NOTRUNC 1 /* don't truncate file size */ 254 255 void nfs_clearcommit(struct mount *); 256 void nfs_merge_commit_ranges(struct vnode *); 257 int nfs_in_committed_range(struct vnode *, off_t, off_t); 258 int nfs_in_tobecommitted_range(struct vnode *, off_t, off_t); 259 void nfs_add_committed_range(struct vnode *, off_t, off_t); 260 void nfs_del_committed_range(struct vnode *, off_t, off_t); 261 void nfs_add_tobecommitted_range(struct vnode *, off_t, off_t); 262 void nfs_del_tobecommitted_range(struct vnode *, off_t, off_t); 263 264 int nfsrv_errmap(struct nfsrv_descript *, int); 265 void nfs_cookieheuristic(struct vnode *, int *, struct lwp *, kauth_cred_t); 266 267 u_int32_t nfs_getxid(void); 268 void nfs_renewxid(struct nfsreq *); 269 270 int nfsrv_composefh(struct vnode *, nfsrvfh_t *, bool); 271 int nfsrv_comparefh(const nfsrvfh_t *, const nfsrvfh_t *); 272 void nfsrv_copyfh(nfsrvfh_t *, const nfsrvfh_t *); 273 274 /* nfs_syscalls.c */ 275 struct sys_getfh_args; 276 struct sys_nfssvc_args; 277 int sys_getfh(struct lwp *, const struct sys_getfh_args *, register_t *); 278 int sys_nfssvc(struct lwp *, const struct sys_nfssvc_args *, register_t *); 279 int nfssvc_addsock(struct file *, struct mbuf *); 280 int nfssvc_nfsd(struct nfsd_srvargs *, void *, struct lwp *); 281 void nfsrv_zapsock(struct nfssvc_sock *); 282 void nfsrv_slpderef(struct nfssvc_sock *); 283 void nfsrv_init(int); 284 void nfs_iodinit(void); 285 int nfs_set_niothreads(int); 286 int nfs_getauth(struct nfsmount *, struct nfsreq *, kauth_cred_t, char **, 287 int *, char *, int *, NFSKERBKEY_T); 288 int nfs_getnickauth(struct nfsmount *, kauth_cred_t, char **, int *, char *, 289 int); 290 int nfs_savenickauth(struct nfsmount *, kauth_cred_t, int, NFSKERBKEY_T, 291 struct mbuf **, char **, struct mbuf *); 292 293 /* nfs_export.c */ 294 extern struct nfs_public nfs_pub; 295 int mountd_set_exports_list(const struct mountd_exports_list *, struct lwp *); 296 int netexport_check(const fsid_t *, struct mbuf *, struct mount **, int *, 297 kauth_cred_t *); 298 void netexport_rdlock(void); 299 void netexport_rdunlock(void); 300 #ifdef COMPAT_30 301 int nfs_update_exports_30(struct mount *, const char *, 302 struct mnt_export_args30 *, struct lwp *); 303 #endif 304 #endif /* _KERNEL */ 305