The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/nfs/nfs_var.h

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    1 /*      $NetBSD: nfs_var.h,v 1.42.2.3 2005/01/11 06:39:55 jmc 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 __P((struct vnode *, struct uio *, int, struct ucred *, int));
   87 struct buf *nfs_getcacheblk __P((struct vnode *, daddr_t, int, struct proc *));
   88 int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *,
   89                        int));
   90 int nfs_asyncio __P((struct buf *));
   91 int nfs_doio __P((struct buf *, struct proc *));
   92 
   93 /* nfs_boot.c */
   94 /* see nfsdiskless.h */
   95 
   96 /* nfs_kq.c */
   97 void nfs_kqinit __P((void));
   98 
   99 /* nfs_node.c */
  100 void nfs_nhinit __P((void));
  101 void nfs_nhreinit __P((void));
  102 void nfs_nhdone __P((void));
  103 int nfs_nget1 __P((struct mount *, nfsfh_t *, int, struct nfsnode **, int));
  104 #define nfs_nget(mp, fhp, fhsize, npp) \
  105         nfs_nget1((mp), (fhp), (fhsize), (npp), 0)
  106 
  107 /* nfs_vnops.c */
  108 int nfs_null __P((struct vnode *, struct ucred *, struct proc *));
  109 int nfs_setattrrpc __P((struct vnode *, struct vattr *, struct ucred *,
  110                         struct proc *));
  111 int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *));
  112 int nfs_readrpc __P((struct vnode *, struct uio *));
  113 int nfs_writerpc __P((struct vnode *, struct uio *, int *, boolean_t,
  114                         boolean_t *));
  115 int nfs_mknodrpc __P((struct vnode *, struct vnode **, struct componentname *,
  116                       struct vattr *));
  117 int nfs_removeit __P((struct sillyrename *));
  118 int nfs_removerpc __P((struct vnode *, const char *, int, struct ucred *,
  119                        struct proc *));
  120 int nfs_renameit __P((struct vnode *, struct componentname *,
  121                       struct sillyrename *));
  122 int nfs_renamerpc __P((struct vnode *, const char *, int, struct vnode *,
  123                        const char *, int, struct ucred *, struct proc *));
  124 int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *));
  125 int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *));
  126 int nfs_sillyrename __P((struct vnode *, struct vnode *,
  127                          struct componentname *));
  128 int nfs_lookitup __P((struct vnode *, const char *, int, struct ucred *,
  129                       struct proc *, struct nfsnode **));
  130 int nfs_commit __P((struct vnode *, off_t, uint32_t, struct proc *));
  131 int nfs_flush __P((struct vnode *, struct ucred *, int, struct proc *, int));
  132 
  133 /* nfs_nqlease.c */
  134 void nqnfs_lease_updatetime __P((int));
  135 void nqnfs_clientlease __P((struct nfsmount *, struct nfsnode *, int, int,
  136                             time_t, u_quad_t));
  137 void nqsrv_locklease __P((struct nqlease *));
  138 void nqsrv_unlocklease __P((struct nqlease *));
  139 int nqsrv_getlease __P((struct vnode *, u_int32_t *, int, struct nfssvc_sock *,
  140                         struct proc *, struct mbuf *, int *, u_quad_t *,
  141                         struct ucred *));
  142 void nqsrv_addhost __P((struct nqhost *, struct nfssvc_sock *, struct mbuf *));
  143 void nqsrv_instimeq __P((struct nqlease *, u_int32_t));
  144 int nqsrv_cmpnam __P((struct nfssvc_sock *, struct mbuf *, struct nqhost *));
  145 void nqsrv_send_eviction __P((struct vnode *, struct nqlease *,
  146                               struct nfssvc_sock *, struct mbuf *,
  147                               struct ucred *));
  148 void nqsrv_waitfor_expiry __P((struct nqlease *));
  149 void nqnfs_serverd __P((void));
  150 int nqnfsrv_getlease __P((struct nfsrv_descript *, struct nfssvc_sock *,
  151                           struct proc *, struct mbuf **));
  152 int nqnfsrv_vacated __P((struct nfsrv_descript *, struct nfssvc_sock *,
  153                          struct proc *, struct mbuf **));
  154 int nqnfs_getlease __P((struct vnode *, int, struct ucred *, struct proc *));
  155 int nqnfs_vacated __P((struct vnode *, struct ucred *));
  156 int nqnfs_callback __P((struct nfsmount *, struct mbuf *, struct mbuf *,
  157                         caddr_t));
  158 
  159 /* nfs_serv.c */
  160 int nfsrv3_access __P((struct nfsrv_descript *, struct nfssvc_sock *,
  161                        struct proc *, struct mbuf **));
  162 int nfsrv_getattr __P((struct nfsrv_descript *, struct nfssvc_sock *,
  163                        struct proc *, struct mbuf **));
  164 int nfsrv_setattr __P((struct nfsrv_descript *, struct nfssvc_sock *,
  165                        struct proc *, struct mbuf **));
  166 int nfsrv_lookup __P((struct nfsrv_descript *, struct nfssvc_sock *,
  167                       struct proc *, struct mbuf **));
  168 int nfsrv_readlink __P((struct nfsrv_descript *, struct nfssvc_sock *,
  169                         struct proc *, struct mbuf **));
  170 int nfsrv_read __P((struct nfsrv_descript *, struct nfssvc_sock *,
  171                     struct proc *, struct mbuf **));
  172 int nfsrv_write __P((struct nfsrv_descript *, struct nfssvc_sock *,
  173                      struct proc *, struct mbuf **));
  174 int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
  175                            struct proc *, struct mbuf **));
  176 void nfsrvw_coalesce __P((struct nfsrv_descript *, struct nfsrv_descript *));
  177 int nfsrv_create __P((struct nfsrv_descript *, struct nfssvc_sock *,
  178                       struct proc *, struct mbuf **));
  179 int nfsrv_mknod __P((struct nfsrv_descript *, struct nfssvc_sock *,
  180                      struct proc *, struct mbuf **));
  181 int nfsrv_remove __P((struct nfsrv_descript *, struct nfssvc_sock *,
  182                       struct proc *, struct mbuf **));
  183 int nfsrv_rename __P((struct nfsrv_descript *, struct nfssvc_sock *,
  184                       struct proc *, struct mbuf **));
  185 int nfsrv_link __P((struct nfsrv_descript *, struct nfssvc_sock *,
  186                     struct proc *, struct mbuf **));
  187 int nfsrv_symlink __P((struct nfsrv_descript *, struct nfssvc_sock *,
  188                        struct proc *, struct mbuf **));
  189 int nfsrv_mkdir __P((struct nfsrv_descript *, struct nfssvc_sock *,
  190                      struct proc *, struct mbuf **));
  191 int nfsrv_rmdir __P((struct nfsrv_descript *, struct nfssvc_sock *,
  192                      struct proc *, struct mbuf **));
  193 int nfsrv_readdir __P((struct nfsrv_descript *, struct nfssvc_sock *,
  194                        struct proc *, struct mbuf **));
  195 int nfsrv_readdirplus __P((struct nfsrv_descript *, struct nfssvc_sock *,
  196                            struct proc *, struct mbuf **));
  197 int nfsrv_commit __P((struct nfsrv_descript *, struct nfssvc_sock *,
  198                       struct proc *, struct mbuf **));
  199 int nfsrv_statfs __P((struct nfsrv_descript *, struct nfssvc_sock *,
  200                       struct proc *, struct mbuf **));
  201 int nfsrv_fsinfo __P((struct nfsrv_descript *, struct nfssvc_sock *,
  202                       struct proc *, struct mbuf **));
  203 int nfsrv_pathconf __P((struct nfsrv_descript *, struct nfssvc_sock *,
  204                         struct proc *, struct mbuf **));
  205 int nfsrv_null __P((struct nfsrv_descript *, struct nfssvc_sock *,
  206                     struct proc *, struct mbuf **));
  207 int nfsrv_noop __P((struct nfsrv_descript *, struct nfssvc_sock *,
  208                     struct proc *, struct mbuf **));
  209 int nfsrv_access __P((struct vnode *, int, struct ucred *, int, struct proc *,
  210                       int));
  211 
  212 /* nfs_socket.c */
  213 int nfs_connect __P((struct nfsmount *, struct nfsreq *));
  214 int nfs_reconnect __P((struct nfsreq *));
  215 void nfs_disconnect __P((struct nfsmount *));
  216 void nfs_safedisconnect __P((struct nfsmount *));
  217 int nfs_send __P((struct socket *, struct mbuf *, struct mbuf *,
  218                   struct nfsreq *));
  219 int nfs_receive __P((struct nfsreq *, struct mbuf **, struct mbuf **));
  220 int nfs_reply __P((struct nfsreq *));
  221 int nfs_request __P((struct nfsnode *, struct mbuf *, int, struct proc *,
  222                      struct ucred *, struct mbuf **, struct mbuf **,
  223                      caddr_t *, int *));
  224 int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *,
  225                      int, int, u_quad_t *, struct mbuf **, struct mbuf **,                           caddr_t *));
  226 void nfs_timer __P((void *));
  227 int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *));
  228 int nfs_sndlock __P((int *, struct nfsreq *));
  229 void nfs_exit __P((struct proc *, void *));
  230 void nfs_sndunlock __P((int *));
  231 int nfs_rcvlock __P((struct nfsreq *));
  232 void nfs_rcvunlock __P((struct nfsmount *));
  233 int nfs_getreq __P((struct nfsrv_descript *, struct nfsd *, int));
  234 int nfs_msg __P((struct proc *, char *, char *));
  235 void nfsrv_rcv __P((struct socket *, caddr_t, int));
  236 int nfsrv_getstream __P((struct nfssvc_sock *, int));
  237 int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *,
  238                      struct nfsrv_descript **));
  239 void nfsrv_wakenfsd __P((struct nfssvc_sock *));
  240 
  241 /* nfs_srvcache.c */
  242 void nfsrv_initcache __P((void ));
  243 int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *,
  244                         struct mbuf **));
  245 void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *));
  246 void nfsrv_cleancache __P((void));
  247 
  248 /* nfs_subs.c */
  249 struct mbuf *nfsm_reqh __P((struct nfsnode *, u_long, int, caddr_t *));
  250 struct mbuf *nfsm_rpchead __P((struct ucred *, int, int, int, int, char *, int,
  251                                char *, struct mbuf *, int, struct mbuf **,
  252                                u_int32_t *));
  253 int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *));
  254 int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *));
  255 int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
  256 int nfs_adv __P((struct mbuf **, caddr_t *, int, int));
  257 int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long));
  258 u_long nfs_dirhash __P((off_t));
  259 void nfs_initdircache __P((struct vnode *));
  260 void nfs_initdirxlatecookie __P((struct vnode *));
  261 struct nfsdircache *nfs_searchdircache __P((struct vnode *, off_t, int, int *));
  262 struct nfsdircache *nfs_enterdircache __P((struct vnode *, off_t, off_t,                                                   int, daddr_t));
  263 void nfs_putdircache __P((struct nfsnode *, struct nfsdircache *));
  264 void nfs_invaldircache __P((struct vnode *, int));
  265 void nfs_init __P((void));
  266 int nfsm_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *,
  267                            struct vattr *, int flags));
  268 int nfs_loadattrcache __P((struct vnode **, struct nfs_fattr *,
  269                            struct vattr *, int flags));
  270 int nfs_getattrcache __P((struct vnode *, struct vattr *));
  271 void nfs_delayedtruncate __P((struct vnode *));
  272 int nfs_namei __P((struct nameidata *, fhandle_t *, uint32_t,
  273                    struct nfssvc_sock *, struct mbuf *, struct mbuf **,
  274                    caddr_t *, struct vnode **, struct proc *, int, int));
  275 void nfs_zeropad __P((struct mbuf *, int, int));
  276 void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int,
  277                       struct vattr *, struct mbuf **, char **));
  278 void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *,
  279                              struct mbuf **, char **));
  280 void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *,
  281                         struct nfs_fattr *));
  282 int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *,
  283                       struct nfssvc_sock *, struct mbuf *, int *, int, int));
  284 int nfsrv_setpublicfs __P((struct mount *, struct netexport *,
  285                            struct export_args *));
  286 int nfs_ispublicfh __P((fhandle_t *));
  287 int netaddr_match __P((int, union nethostaddr *, struct mbuf *));
  288 
  289 /* flags for nfs_loadattrcache and friends */
  290 #define NAC_NOTRUNC     1       /* don't truncate file size */
  291 
  292 void nfs_clearcommit __P((struct mount *));
  293 void nfs_merge_commit_ranges __P((struct vnode *));
  294 int nfs_in_committed_range __P((struct vnode *, off_t, off_t));
  295 int nfs_in_tobecommitted_range __P((struct vnode *, off_t, off_t));
  296 void nfs_add_committed_range __P((struct vnode *, off_t, off_t));
  297 void nfs_del_committed_range __P((struct vnode *, off_t, off_t));
  298 void nfs_add_tobecommitted_range __P((struct vnode *, off_t, off_t));
  299 void nfs_del_tobecommitted_range __P((struct vnode *, off_t, off_t));
  300 
  301 int nfsrv_errmap __P((struct nfsrv_descript *, int));
  302 void nfsrvw_sort __P((gid_t *, int));
  303 void nfsrv_setcred __P((struct ucred *, struct ucred *));
  304 void nfs_cookieheuristic __P((struct vnode *, int *, struct proc *,
  305                               struct ucred *));
  306 
  307 u_int32_t nfs_getxid __P((void));
  308 void nfs_renewxid __P((struct nfsreq *));
  309 
  310 /* nfs_syscalls.c */
  311 int sys_getfh __P((struct lwp *, void *, register_t *));
  312 int sys_nfssvc __P((struct lwp *, void *, register_t *));
  313 int nfssvc_addsock __P((struct file *, struct mbuf *));
  314 int nfssvc_nfsd __P((struct nfsd_srvargs *, caddr_t, struct lwp *));
  315 void nfsrv_zapsock __P((struct nfssvc_sock *));
  316 void nfsrv_slpderef __P((struct nfssvc_sock *));
  317 void nfsrv_init __P((int));
  318 int nfssvc_iod __P((struct lwp *));
  319 void nfs_iodinit __P((void));
  320 void start_nfsio __P((void *));
  321 void nfs_getset_niothreads __P((int));
  322 int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *,
  323                      char **, int *, char *, int *, NFSKERBKEY_T));
  324 int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, int *,
  325                          char *, int));
  326 int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, NFSKERBKEY_T,
  327                           struct mbuf **, char **, struct mbuf *));
  328 #endif /* _KERNEL */

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