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nfs_var.h revision 1.13
      1 /*	$NetBSD: nfs_var.h,v 1.13 1998/03/29 05:13:00 mrg Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996 Christos Zoulas.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Christos Zoulas.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * XXX needs <nfs/rpcv2.h> and <nfs/nfs.h> because of typedefs
     34  */
     35 
     36 struct vnode;
     37 struct uio;
     38 struct ucred;
     39 struct proc;
     40 struct buf;
     41 struct nfs_diskless;
     42 struct sockaddr_in;
     43 struct nfs_dlmount;
     44 struct vnode;
     45 struct nfsd;
     46 struct mbuf;
     47 struct file;
     48 struct nqlease;
     49 struct nqhost;
     50 struct nfssvc_sock;
     51 struct nfsmount;
     52 struct socket;
     53 struct nfsreq;
     54 struct vattr;
     55 struct nameidata;
     56 struct nfsnode;
     57 struct sillyrename;
     58 struct componentname;
     59 struct nfsd_srvargs;
     60 struct nfsrv_descript;
     61 struct nfs_fattr;
     62 struct nfsdircache;
     63 union nethostaddr;
     64 
     65 /* nfs_bio.c */
     66 int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *, int));
     67 struct buf *nfs_getcacheblk __P((struct vnode *, daddr_t, int, struct proc *));
     68 int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *,
     69 		       int));
     70 int nfs_asyncio __P((struct buf *, struct ucred *));
     71 int nfs_doio __P((struct buf *, struct ucred *, struct proc *));
     72 
     73 /* nfs_boot.c */
     74 /* see nfsdiskless.h */
     75 
     76 /* nfs_node.c */
     77 void nfs_nhinit __P((void));
     78 u_long nfs_hash __P((nfsfh_t *, int));
     79 int nfs_nget __P((struct mount *, nfsfh_t *, int, struct nfsnode **));
     80 
     81 /* nfs_vnops.c */
     82 int nfs_null __P((struct vnode *, struct ucred *, struct proc *));
     83 int nfs_setattrrpc __P((struct vnode *, struct vattr *, struct ucred *,
     84 			struct proc *));
     85 int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *));
     86 int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *));
     87 int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *,
     88 		      int *));
     89 int nfs_mknodrpc __P((struct vnode *, struct vnode **, struct componentname *,
     90 		      struct vattr *));
     91 int nfs_removeit __P((struct sillyrename *));
     92 int nfs_removerpc __P((struct vnode *, const char *, int, struct ucred *,
     93 		       struct proc *));
     94 int nfs_renameit __P((struct vnode *, struct componentname *,
     95 		      struct sillyrename *));
     96 int nfs_renamerpc __P((struct vnode *, const char *, int, struct vnode *,
     97 		       const char *, int, struct ucred *, struct proc *));
     98 int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *));
     99 int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *));
    100 int nfs_sillyrename __P((struct vnode *, struct vnode *,
    101 			 struct componentname *));
    102 int nfs_lookitup __P((struct vnode *, const char *, int, struct ucred *,
    103 		      struct proc *, struct nfsnode **));
    104 int nfs_commit __P((struct vnode *, u_quad_t, int, struct ucred *,
    105 		    struct proc *));
    106 int nfs_flush __P((struct vnode *, struct ucred *, int, struct proc *, int));
    107 int nfs_writebp __P((struct buf *, int));
    108 
    109 /* nfs_nqlease.c */
    110 void nqnfs_lease_updatetime __P((int));
    111 void nqnfs_clientlease __P((struct nfsmount *, struct nfsnode *, int, int,
    112 			    time_t, u_quad_t));
    113 void nqsrv_locklease __P((struct nqlease *));
    114 void nqsrv_unlocklease __P((struct nqlease *));
    115 int nqsrv_getlease __P((struct vnode *, u_int32_t *, int, struct nfssvc_sock *,
    116 			struct proc *, struct mbuf *, int *, u_quad_t *,
    117 			struct ucred *));
    118 int nqnfs_vop_lease_check __P((void *));
    119 void nqsrv_addhost __P((struct nqhost *, struct nfssvc_sock *, struct mbuf *));
    120 void nqsrv_instimeq __P((struct nqlease *, u_int32_t));
    121 int nqsrv_cmpnam __P((struct nfssvc_sock *, struct mbuf *, struct nqhost *));
    122 void nqsrv_send_eviction __P((struct vnode *, struct nqlease *,
    123 			      struct nfssvc_sock *, struct mbuf *,
    124 			      struct ucred *));
    125 void nqsrv_waitfor_expiry __P((struct nqlease *));
    126 void nqnfs_serverd __P((void));
    127 int nqnfsrv_getlease __P((struct nfsrv_descript *, struct nfssvc_sock *,
    128 			  struct proc *, struct mbuf **));
    129 int nqnfsrv_vacated __P((struct nfsrv_descript *, struct nfssvc_sock *,
    130 			 struct proc *, struct mbuf **));
    131 int nqnfs_getlease __P((struct vnode *, int, struct ucred *, struct proc *));
    132 int nqnfs_vacated __P((struct vnode *, struct ucred *));
    133 int nqnfs_callback __P((struct nfsmount *, struct mbuf *, struct mbuf *,
    134 			caddr_t));
    135 
    136 /* nfs_serv.c */
    137 int nfsrv3_access __P((struct nfsrv_descript *, struct nfssvc_sock *,
    138 		       struct proc *, struct mbuf **));
    139 int nfsrv_getattr __P((struct nfsrv_descript *, struct nfssvc_sock *,
    140 		       struct proc *, struct mbuf **));
    141 int nfsrv_setattr __P((struct nfsrv_descript *, struct nfssvc_sock *,
    142 		       struct proc *, struct mbuf **));
    143 int nfsrv_lookup __P((struct nfsrv_descript *, struct nfssvc_sock *,
    144 		      struct proc *, struct mbuf **));
    145 int nfsrv_readlink __P((struct nfsrv_descript *, struct nfssvc_sock *,
    146 			struct proc *, struct mbuf **));
    147 int nfsrv_read __P((struct nfsrv_descript *, struct nfssvc_sock *,
    148 		    struct proc *, struct mbuf **));
    149 int nfsrv_write __P((struct nfsrv_descript *, struct nfssvc_sock *,
    150 		     struct proc *, struct mbuf **));
    151 int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
    152 			   struct proc *, struct mbuf **));
    153 void nfsrvw_coalesce __P((struct nfsrv_descript *, struct nfsrv_descript *));
    154 int nfsrv_create __P((struct nfsrv_descript *, struct nfssvc_sock *,
    155 		      struct proc *, struct mbuf **));
    156 int nfsrv_mknod __P((struct nfsrv_descript *, struct nfssvc_sock *,
    157 		     struct proc *, struct mbuf **));
    158 int nfsrv_remove __P((struct nfsrv_descript *, struct nfssvc_sock *,
    159 		      struct proc *, struct mbuf **));
    160 int nfsrv_rename __P((struct nfsrv_descript *, struct nfssvc_sock *,
    161 		      struct proc *, struct mbuf **));
    162 int nfsrv_link __P((struct nfsrv_descript *, struct nfssvc_sock *,
    163 		    struct proc *, struct mbuf **));
    164 int nfsrv_symlink __P((struct nfsrv_descript *, struct nfssvc_sock *,
    165 		       struct proc *, struct mbuf **));
    166 int nfsrv_mkdir __P((struct nfsrv_descript *, struct nfssvc_sock *,
    167 		     struct proc *, struct mbuf **));
    168 int nfsrv_rmdir __P((struct nfsrv_descript *, struct nfssvc_sock *,
    169 		     struct proc *, struct mbuf **));
    170 int nfsrv_readdir __P((struct nfsrv_descript *, struct nfssvc_sock *,
    171 		       struct proc *, struct mbuf **));
    172 int nfsrv_readdirplus __P((struct nfsrv_descript *, struct nfssvc_sock *,
    173 			   struct proc *, struct mbuf **));
    174 int nfsrv_commit __P((struct nfsrv_descript *, struct nfssvc_sock *,
    175 		      struct proc *, struct mbuf **));
    176 int nfsrv_statfs __P((struct nfsrv_descript *, struct nfssvc_sock *,
    177 		      struct proc *, struct mbuf **));
    178 int nfsrv_fsinfo __P((struct nfsrv_descript *, struct nfssvc_sock *,
    179 		      struct proc *, struct mbuf **));
    180 int nfsrv_pathconf __P((struct nfsrv_descript *, struct nfssvc_sock *,
    181 		        struct proc *, struct mbuf **));
    182 int nfsrv_null __P((struct nfsrv_descript *, struct nfssvc_sock *,
    183 		    struct proc *, struct mbuf **));
    184 int nfsrv_noop __P((struct nfsrv_descript *, struct nfssvc_sock *,
    185 		    struct proc *, struct mbuf **));
    186 int nfsrv_access __P((struct vnode *, int, struct ucred *, int, struct proc *,
    187 		      int));
    188 
    189 /* nfs_socket.c */
    190 int nfs_connect __P((struct nfsmount *, struct nfsreq *));
    191 int nfs_reconnect __P((struct nfsreq *));
    192 void nfs_disconnect __P((struct nfsmount *));
    193 void nfs_safedisconnect __P((struct nfsmount *));
    194 int nfs_send __P((struct socket *, struct mbuf *, struct mbuf *,
    195 		  struct nfsreq *));
    196 int nfs_receive __P((struct nfsreq *, struct mbuf **, struct mbuf **));
    197 int nfs_reply __P((struct nfsreq *));
    198 int nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *,
    199 		     struct ucred *, struct mbuf **, struct mbuf **,
    200 		     caddr_t *));
    201 int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *,
    202 		     int, int, u_quad_t *, struct mbuf **, struct mbuf **,			     caddr_t *));
    203 void nfs_timer __P((void *));
    204 int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *));
    205 int nfs_sndlock __P((int *, struct nfsreq *));
    206 void nfs_sndunlock __P((int *));
    207 int nfs_rcvlock __P((struct nfsreq *));
    208 void nfs_rcvunlock __P((int *));
    209 int nfs_getreq __P((struct nfsrv_descript *, struct nfsd *, int));
    210 int nfs_msg __P((struct proc *, char *, char *));
    211 void nfsrv_rcv __P((struct socket *, caddr_t, int));
    212 int nfsrv_getstream __P((struct nfssvc_sock *, int));
    213 int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *,
    214 		     struct nfsrv_descript **));
    215 void nfsrv_wakenfsd __P((struct nfssvc_sock *));
    216 
    217 /* nfs_srvcache.c */
    218 void nfsrv_initcache __P((void ));
    219 int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *,
    220 			struct mbuf **));
    221 void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *));
    222 void nfsrv_cleancache __P((void));
    223 
    224 /* nfs_subs.c */
    225 struct mbuf *nfsm_reqh __P((struct vnode *, u_long, int, caddr_t *));
    226 struct mbuf *nfsm_rpchead __P((struct ucred *, int, int, int, int, char *, int,
    227 			       char *, struct mbuf *, int, struct mbuf **,
    228 			       u_int32_t *));
    229 int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *));
    230 int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *));
    231 int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
    232 int nfs_adv __P((struct mbuf **, caddr_t *, int, int));
    233 int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long));
    234 u_long nfs_dirhash __P((off_t));
    235 void nfs_initdircache __P((struct vnode *));
    236 struct nfsdircache *nfs_searchdircache __P((struct vnode *, off_t, int, int *));
    237 struct nfsdircache *nfs_enterdircache __P((struct vnode *, off_t, off_t,						   daddr_t, int));
    238 void nfs_invaldircache __P((struct vnode *, int));
    239 void nfs_init __P((void));
    240 int nfsm_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *,
    241 			   struct vattr *));
    242 int nfs_loadattrcache __P((struct vnode **, struct nfs_fattr *,
    243 			   struct vattr *));
    244 int nfs_getattrcache __P((struct vnode *, struct vattr *));
    245 int nfs_namei __P((struct nameidata *, fhandle_t *, int, struct nfssvc_sock *,
    246 		   struct mbuf *, struct mbuf **, caddr_t *, struct vnode **,
    247 		   struct proc *, int, int));
    248 void nfsm_adj __P((struct mbuf *, int, int));
    249 void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int,
    250 		      struct vattr *, struct mbuf **, char **));
    251 void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *,
    252 			     struct mbuf **, char **));
    253 void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *,
    254 			struct nfs_fattr *));
    255 int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *,
    256 		      struct nfssvc_sock *, struct mbuf *, int *, int, int));
    257 int nfsrv_setpublicfs __P((struct mount *, struct netexport *,
    258 			   struct export_args *));
    259 int nfs_ispublicfh __P((fhandle_t *));
    260 int netaddr_match __P((int, union nethostaddr *, struct mbuf *));
    261 void nfs_clearcommit __P((struct mount *));
    262 int nfsrv_errmap __P((struct nfsrv_descript *, int));
    263 void nfsrvw_sort __P((gid_t *, int));
    264 void nfsrv_setcred __P((struct ucred *, struct ucred *));
    265 void nfs_cookieheuristic __P((struct vnode *, int *, struct proc *,
    266 			      struct ucred *));
    267 
    268 /* nfs_syscalls.c */
    269 int sys_getfh __P((struct proc *, void *, register_t *));
    270 int sys_nfssvc __P((struct proc *, void *, register_t *));
    271 int nfssvc_addsock __P((struct file *, struct mbuf *));
    272 int nfssvc_nfsd __P((struct nfsd_srvargs *, caddr_t, struct proc *));
    273 void nfsrv_zapsock __P((struct nfssvc_sock *));
    274 void nfsrv_slpderef __P((struct nfssvc_sock *));
    275 void nfsrv_init __P((int));
    276 int nfssvc_iod __P((struct proc *));
    277 int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *,
    278 		     char **, int *, char *, int *, NFSKERBKEY_T));
    279 int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, int *,
    280 			 char *, int));
    281 int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, NFSKERBKEY_T,
    282 			  struct mbuf **, char **, struct mbuf *));
    283