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nfs_var.h revision 1.85.4.1
      1  1.85.4.1       jym /*	$NetBSD: nfs_var.h,v 1.85.4.1 2009/05/13 17:22:51 jym Exp $	*/
      2       1.1  christos 
      3      1.15  christos /*-
      4      1.15  christos  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5      1.15  christos  * All rights reserved.
      6      1.15  christos  *
      7      1.15  christos  * This code is derived from software contributed to The NetBSD Foundation
      8      1.15  christos  * by Christos Zoulas.
      9       1.1  christos  *
     10       1.1  christos  * Redistribution and use in source and binary forms, with or without
     11       1.1  christos  * modification, are permitted provided that the following conditions
     12       1.1  christos  * are met:
     13       1.1  christos  * 1. Redistributions of source code must retain the above copyright
     14       1.1  christos  *    notice, this list of conditions and the following disclaimer.
     15       1.1  christos  * 2. Redistributions in binary form must reproduce the above copyright
     16       1.1  christos  *    notice, this list of conditions and the following disclaimer in the
     17       1.1  christos  *    documentation and/or other materials provided with the distribution.
     18       1.1  christos  *
     19      1.15  christos  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20      1.15  christos  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21      1.15  christos  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22      1.15  christos  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23      1.15  christos  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24      1.15  christos  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25      1.15  christos  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26      1.15  christos  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27      1.15  christos  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28      1.15  christos  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29      1.15  christos  * POSSIBILITY OF SUCH DAMAGE.
     30       1.1  christos  */
     31       1.1  christos 
     32       1.3      fvdl /*
     33       1.3      fvdl  * XXX needs <nfs/rpcv2.h> and <nfs/nfs.h> because of typedefs
     34       1.3      fvdl  */
     35      1.27   thorpej 
     36      1.28  christos #ifdef _KERNEL
     37      1.27   thorpej #include <sys/mallocvar.h>
     38      1.37      yamt #include <sys/pool.h>
     39      1.27   thorpej 
     40       1.1  christos struct vnode;
     41       1.1  christos struct uio;
     42       1.1  christos struct proc;
     43       1.1  christos struct buf;
     44       1.1  christos struct nfs_diskless;
     45       1.1  christos struct sockaddr_in;
     46       1.1  christos struct nfs_dlmount;
     47       1.1  christos struct vnode;
     48       1.1  christos struct nfsd;
     49       1.1  christos struct mbuf;
     50       1.1  christos struct file;
     51       1.1  christos struct nfssvc_sock;
     52       1.1  christos struct nfsmount;
     53       1.1  christos struct socket;
     54       1.1  christos struct nfsreq;
     55       1.1  christos struct vattr;
     56       1.1  christos struct nameidata;
     57       1.1  christos struct nfsnode;
     58       1.1  christos struct sillyrename;
     59       1.1  christos struct componentname;
     60       1.2  christos struct nfsd_srvargs;
     61       1.3      fvdl struct nfsrv_descript;
     62       1.3      fvdl struct nfs_fattr;
     63      1.10      fvdl struct nfsdircache;
     64      1.13       mrg union nethostaddr;
     65       1.1  christos 
     66       1.1  christos /* nfs_bio.c */
     67      1.59      elad int nfs_bioread(struct vnode *, struct uio *, int, kauth_cred_t, int);
     68      1.57      yamt struct buf *nfs_getcacheblk(struct vnode *, daddr_t, int, struct lwp *);
     69      1.59      elad int nfs_vinvalbuf(struct vnode *, int, kauth_cred_t, struct lwp *, int);
     70      1.59      elad int nfs_flushstalebuf(struct vnode *, kauth_cred_t, struct lwp *, int);
     71      1.47      yamt #define	NFS_FLUSHSTALEBUF_MYWRITE	1	/* assume writes are ours */
     72      1.57      yamt int nfs_asyncio(struct buf *);
     73      1.57      yamt int nfs_doio(struct buf *);
     74       1.1  christos 
     75       1.1  christos /* nfs_boot.c */
     76       1.9       gwr /* see nfsdiskless.h */
     77      1.25  jdolecek 
     78      1.25  jdolecek /* nfs_kq.c */
     79      1.57      yamt void nfs_kqinit(void);
     80      1.84        ad void nfs_kqfini(void);
     81       1.1  christos 
     82       1.1  christos /* nfs_node.c */
     83      1.81      matt void nfs_rbtinit(struct nfsmount *);
     84      1.82      matt void nfs_node_init(void);
     85      1.80     pooka void nfs_node_done(void);
     86      1.81      matt 
     87      1.57      yamt int nfs_nget1(struct mount *, nfsfh_t *, int, struct nfsnode **, int);
     88      1.43      yamt #define	nfs_nget(mp, fhp, fhsize, npp) \
     89      1.43      yamt 	nfs_nget1((mp), (fhp), (fhsize), (npp), 0)
     90       1.1  christos 
     91       1.1  christos /* nfs_vnops.c */
     92      1.59      elad int nfs_null(struct vnode *, kauth_cred_t, struct lwp *);
     93      1.59      elad int nfs_setattrrpc(struct vnode *, struct vattr *, kauth_cred_t, struct lwp *);
     94      1.59      elad int nfs_readlinkrpc(struct vnode *, struct uio *, kauth_cred_t);
     95      1.57      yamt int nfs_readrpc(struct vnode *, struct uio *);
     96      1.65   thorpej int nfs_writerpc(struct vnode *, struct uio *, int *, bool, bool *);
     97      1.57      yamt int nfs_mknodrpc(struct vnode *, struct vnode **, struct componentname *,
     98      1.57      yamt 	struct vattr *);
     99      1.57      yamt int nfs_removeit(struct sillyrename *);
    100      1.59      elad int nfs_removerpc(struct vnode *, const char *, int, kauth_cred_t,
    101      1.57      yamt 	struct lwp *);
    102      1.57      yamt int nfs_renameit(struct vnode *, struct componentname *, struct sillyrename *);
    103      1.57      yamt int nfs_renamerpc(struct vnode *, const char *, int, struct vnode *,
    104      1.59      elad 	const char *, int, kauth_cred_t, struct lwp *);
    105      1.59      elad int nfs_readdirrpc(struct vnode *, struct uio *, kauth_cred_t);
    106      1.59      elad int nfs_readdirplusrpc(struct vnode *, struct uio *, kauth_cred_t);
    107      1.62      yamt int nfs_sillyrename(struct vnode *, struct vnode *, struct componentname *,
    108      1.65   thorpej 	bool);
    109      1.59      elad int nfs_lookitup(struct vnode *, const char *, int, kauth_cred_t,
    110      1.57      yamt 	struct lwp *, struct nfsnode **);
    111      1.57      yamt int nfs_commit(struct vnode *, off_t, uint32_t, struct lwp *);
    112      1.59      elad int nfs_flush(struct vnode *, kauth_cred_t, int, struct lwp *, int);
    113       1.1  christos 
    114       1.1  christos /* nfs_serv.c */
    115      1.57      yamt int nfsrv3_access(struct nfsrv_descript *, struct nfssvc_sock *,
    116      1.57      yamt 	struct lwp *, struct mbuf **);
    117      1.57      yamt int nfsrv_getattr(struct nfsrv_descript *, struct nfssvc_sock *,
    118      1.57      yamt 	struct lwp *, struct mbuf **);
    119      1.57      yamt int nfsrv_setattr(struct nfsrv_descript *, struct nfssvc_sock *,
    120      1.57      yamt 	struct lwp *, struct mbuf **);
    121      1.57      yamt int nfsrv_lookup(struct nfsrv_descript *, struct nfssvc_sock *,
    122      1.57      yamt 	struct lwp *, struct mbuf **);
    123      1.57      yamt int nfsrv_readlink(struct nfsrv_descript *, struct nfssvc_sock *,
    124      1.57      yamt 	struct lwp *, struct mbuf **);
    125      1.57      yamt int nfsrv_read(struct nfsrv_descript *, struct nfssvc_sock *,
    126      1.57      yamt 	struct lwp *, struct mbuf **);
    127      1.57      yamt int nfsrv_write(struct nfsrv_descript *, struct nfssvc_sock *,
    128      1.57      yamt 	struct lwp *, struct mbuf **);
    129      1.57      yamt int nfsrv_writegather(struct nfsrv_descript **, struct nfssvc_sock *,
    130      1.57      yamt 	struct lwp *, struct mbuf **);
    131      1.57      yamt void nfsrvw_coalesce(struct nfsrv_descript *, struct nfsrv_descript *);
    132      1.57      yamt int nfsrv_create(struct nfsrv_descript *, struct nfssvc_sock *,
    133      1.57      yamt 	struct lwp *, struct mbuf **);
    134      1.57      yamt int nfsrv_mknod(struct nfsrv_descript *, struct nfssvc_sock *,
    135      1.57      yamt 	struct lwp *, struct mbuf **);
    136      1.57      yamt int nfsrv_remove(struct nfsrv_descript *, struct nfssvc_sock *,
    137      1.57      yamt 	struct lwp *, struct mbuf **);
    138      1.57      yamt int nfsrv_rename(struct nfsrv_descript *, struct nfssvc_sock *,
    139      1.57      yamt 	struct lwp *, struct mbuf **);
    140      1.57      yamt int nfsrv_link(struct nfsrv_descript *, struct nfssvc_sock *,
    141      1.57      yamt 	struct lwp *, struct mbuf **);
    142      1.57      yamt int nfsrv_symlink(struct nfsrv_descript *, struct nfssvc_sock *,
    143      1.57      yamt 	struct lwp *, struct mbuf **);
    144      1.57      yamt int nfsrv_mkdir(struct nfsrv_descript *, struct nfssvc_sock *,
    145      1.57      yamt 	struct lwp *, struct mbuf **);
    146      1.57      yamt int nfsrv_rmdir(struct nfsrv_descript *, struct nfssvc_sock *,
    147      1.57      yamt 	struct lwp *, struct mbuf **);
    148      1.57      yamt int nfsrv_readdir(struct nfsrv_descript *, struct nfssvc_sock *,
    149      1.57      yamt 	struct lwp *, struct mbuf **);
    150      1.57      yamt int nfsrv_readdirplus(struct nfsrv_descript *, struct nfssvc_sock *,
    151      1.57      yamt 	struct lwp *, struct mbuf **);
    152      1.57      yamt int nfsrv_commit(struct nfsrv_descript *, struct nfssvc_sock *,
    153      1.57      yamt 	struct lwp *, struct mbuf **);
    154      1.57      yamt int nfsrv_statfs(struct nfsrv_descript *, struct nfssvc_sock *,
    155      1.57      yamt 	struct lwp *, struct mbuf **);
    156      1.57      yamt int nfsrv_fsinfo(struct nfsrv_descript *, struct nfssvc_sock *,
    157      1.57      yamt 	struct lwp *, struct mbuf **);
    158      1.57      yamt int nfsrv_pathconf(struct nfsrv_descript *, struct nfssvc_sock *,
    159      1.57      yamt 	struct lwp *, struct mbuf **);
    160      1.57      yamt int nfsrv_null(struct nfsrv_descript *, struct nfssvc_sock *,
    161      1.57      yamt 	struct lwp *, struct mbuf **);
    162      1.57      yamt int nfsrv_noop(struct nfsrv_descript *, struct nfssvc_sock *,
    163      1.57      yamt 	struct lwp *, struct mbuf **);
    164      1.59      elad int nfsrv_access(struct vnode *, int, kauth_cred_t, int, struct lwp *, int);
    165       1.1  christos 
    166       1.1  christos /* nfs_socket.c */
    167      1.57      yamt int nfs_connect(struct nfsmount *, struct nfsreq *, struct lwp *);
    168      1.73      yamt int nfs_reconnect(struct nfsreq *);
    169      1.57      yamt void nfs_disconnect(struct nfsmount *);
    170      1.57      yamt void nfs_safedisconnect(struct nfsmount *);
    171      1.57      yamt int nfs_send(struct socket *, struct mbuf *, struct mbuf *, struct nfsreq *,
    172      1.57      yamt 	struct lwp *);
    173      1.57      yamt int nfs_request(struct nfsnode *, struct mbuf *, int, struct lwp *,
    174      1.66  christos 	kauth_cred_t, struct mbuf **, struct mbuf **, char **, int *);
    175      1.57      yamt int nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *,
    176      1.66  christos 	int, int, u_quad_t *, struct mbuf **, struct mbuf **, char **);
    177      1.57      yamt void nfs_timer(void *);
    178      1.71      yamt void nfs_timer_init(void);
    179      1.84        ad void nfs_timer_fini(void);
    180      1.71      yamt void nfs_timer_start(void);
    181      1.84        ad void nfs_timer_srvinit(bool (*)(void));
    182      1.84        ad void nfs_timer_srvfini(void);
    183      1.57      yamt int nfs_sigintr(struct nfsmount *, struct nfsreq *, struct lwp *);
    184      1.57      yamt int nfs_getreq(struct nfsrv_descript *, struct nfsd *, int);
    185      1.57      yamt int nfs_msg(struct lwp *, const char *, const char *);
    186      1.75      yamt void nfsrv_soupcall(struct socket *, void *, int);
    187      1.75      yamt void nfsrv_rcv(struct nfssvc_sock *);
    188      1.57      yamt int nfsrv_getstream(struct nfssvc_sock *, int);
    189      1.75      yamt int nfsrv_dorec(struct nfssvc_sock *, struct nfsd *, struct nfsrv_descript **,
    190      1.75      yamt     bool *);
    191      1.57      yamt void nfsrv_wakenfsd(struct nfssvc_sock *);
    192      1.65   thorpej int nfsdsock_lock(struct nfssvc_sock *, bool);
    193      1.56      yamt void nfsdsock_unlock(struct nfssvc_sock *);
    194      1.56      yamt int nfsdsock_drain(struct nfssvc_sock *);
    195      1.56      yamt int nfsdsock_sendreply(struct nfssvc_sock *, struct nfsrv_descript *);
    196      1.61      yamt void nfsdreq_init(void);
    197      1.84        ad void nfsdreq_fini(void);
    198      1.61      yamt struct nfsrv_descript *nfsdreq_alloc(void);
    199      1.60      yamt void nfsdreq_free(struct nfsrv_descript *);
    200      1.84        ad bool nfsrv_timer(void);
    201       1.1  christos 
    202      1.75      yamt void nfsdsock_setbits(struct nfssvc_sock *, int);
    203      1.75      yamt void nfsdsock_clearbits(struct nfssvc_sock *, int);
    204      1.75      yamt bool nfsdsock_testbits(struct nfssvc_sock *, int);
    205      1.75      yamt 
    206       1.1  christos /* nfs_srvcache.c */
    207      1.57      yamt void nfsrv_initcache(void);
    208      1.84        ad void nfsrv_finicache(void);
    209      1.57      yamt int nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *,
    210      1.57      yamt 	struct mbuf **);
    211      1.57      yamt void nfsrv_updatecache(struct nfsrv_descript *, int, struct mbuf *);
    212      1.57      yamt void nfsrv_cleancache(void);
    213       1.1  christos 
    214       1.1  christos /* nfs_subs.c */
    215      1.66  christos struct mbuf *nfsm_reqh(struct nfsnode *, u_long, int, char **);
    216      1.59      elad struct mbuf *nfsm_rpchead(kauth_cred_t, int, int, int, int, char *, int,
    217      1.57      yamt 	char *, struct mbuf *, int, struct mbuf **, u_int32_t *);
    218      1.66  christos int nfsm_mbuftouio(struct mbuf **, struct uio *, int, char **);
    219      1.66  christos int nfsm_uiotombuf(struct uio *, struct mbuf **, int, char **);
    220      1.66  christos int nfsm_disct(struct mbuf **, char **, int, int, char **);
    221      1.66  christos int nfs_adv(struct mbuf **, char **, int, int);
    222      1.57      yamt int nfsm_strtmbuf(struct mbuf **, char **, const char *, long);
    223      1.57      yamt u_long nfs_dirhash(off_t);
    224      1.57      yamt void nfs_initdircache(struct vnode *);
    225      1.57      yamt void nfs_initdirxlatecookie(struct vnode *);
    226      1.57      yamt struct nfsdircache *nfs_searchdircache(struct vnode *, off_t, int, int *);
    227      1.57      yamt struct nfsdircache *nfs_enterdircache(struct vnode *, off_t, off_t, int,
    228      1.57      yamt 	daddr_t);
    229      1.57      yamt void nfs_putdircache(struct nfsnode *, struct nfsdircache *);
    230      1.57      yamt void nfs_invaldircache(struct vnode *, int);
    231      1.49      yamt #define	NFS_INVALDIRCACHE_FORCE		1
    232      1.49      yamt #define	NFS_INVALDIRCACHE_KEEPEOF	2
    233      1.84        ad void nfs_init(void);
    234      1.84        ad void nfs_fini(void);
    235      1.66  christos int nfsm_loadattrcache(struct vnode **, struct mbuf **, char **,
    236      1.57      yamt 	struct vattr *, int flags);
    237      1.57      yamt int nfs_loadattrcache(struct vnode **, struct nfs_fattr *, struct vattr *,
    238      1.57      yamt 	int flags);
    239      1.57      yamt int nfs_getattrcache(struct vnode *, struct vattr *);
    240      1.57      yamt void nfs_delayedtruncate(struct vnode *);
    241      1.57      yamt int nfs_check_wccdata(struct nfsnode *, const struct timespec *,
    242      1.65   thorpej 	struct timespec *, bool);
    243      1.63      yamt int nfs_namei(struct nameidata *, nfsrvfh_t *, uint32_t, struct nfssvc_sock *,
    244      1.66  christos 	struct mbuf *, struct mbuf **, char **, struct vnode **, struct lwp *,
    245      1.57      yamt 	int, int);
    246      1.57      yamt void nfs_zeropad(struct mbuf *, int, int);
    247      1.57      yamt void nfsm_srvwcc(struct nfsrv_descript *, int, struct vattr *, int,
    248      1.57      yamt 	struct vattr *, struct mbuf **, char **);
    249      1.57      yamt void nfsm_srvpostopattr(struct nfsrv_descript *, int, struct vattr *,
    250      1.57      yamt 	struct mbuf **, char **);
    251      1.57      yamt void nfsm_srvfattr(struct nfsrv_descript *, struct vattr *, struct nfs_fattr *);
    252      1.63      yamt int nfsrv_fhtovp(nfsrvfh_t *, int, struct vnode **, kauth_cred_t,
    253      1.57      yamt 	struct nfssvc_sock *, struct mbuf *, int *, int, int);
    254  1.85.4.1       jym int nfs_ispublicfh(const nfsrvfh_t *);
    255      1.57      yamt int netaddr_match(int, union nethostaddr *, struct mbuf *);
    256      1.74      yamt time_t nfs_attrtimeo(struct nfsmount *, struct nfsnode *);
    257      1.24      yamt 
    258      1.24      yamt /* flags for nfs_loadattrcache and friends */
    259      1.24      yamt #define	NAC_NOTRUNC	1	/* don't truncate file size */
    260      1.18      fvdl 
    261      1.57      yamt void nfs_clearcommit(struct mount *);
    262      1.57      yamt void nfs_merge_commit_ranges(struct vnode *);
    263      1.57      yamt int nfs_in_committed_range(struct vnode *, off_t, off_t);
    264      1.57      yamt int nfs_in_tobecommitted_range(struct vnode *, off_t, off_t);
    265      1.57      yamt void nfs_add_committed_range(struct vnode *, off_t, off_t);
    266      1.57      yamt void nfs_del_committed_range(struct vnode *, off_t, off_t);
    267      1.57      yamt void nfs_add_tobecommitted_range(struct vnode *, off_t, off_t);
    268      1.57      yamt void nfs_del_tobecommitted_range(struct vnode *, off_t, off_t);
    269      1.57      yamt 
    270      1.57      yamt int nfsrv_errmap(struct nfsrv_descript *, int);
    271      1.59      elad void nfs_cookieheuristic(struct vnode *, int *, struct lwp *, kauth_cred_t);
    272      1.42      yamt 
    273      1.57      yamt u_int32_t nfs_getxid(void);
    274      1.57      yamt void nfs_renewxid(struct nfsreq *);
    275       1.1  christos 
    276      1.65   thorpej int nfsrv_composefh(struct vnode *, nfsrvfh_t *, bool);
    277      1.63      yamt int nfsrv_comparefh(const nfsrvfh_t *, const nfsrvfh_t *);
    278      1.63      yamt void nfsrv_copyfh(nfsrvfh_t *, const nfsrvfh_t *);
    279      1.63      yamt 
    280       1.1  christos /* nfs_syscalls.c */
    281      1.76       dsl struct sys_getfh_args;
    282      1.76       dsl struct sys_nfssvc_args;
    283      1.76       dsl int sys_getfh(struct lwp *, const struct sys_getfh_args *, register_t *);
    284      1.76       dsl int sys_nfssvc(struct lwp *, const struct sys_nfssvc_args *, register_t *);
    285      1.57      yamt int nfssvc_addsock(struct file *, struct mbuf *);
    286      1.66  christos int nfssvc_nfsd(struct nfsd_srvargs *, void *, struct lwp *);
    287      1.57      yamt void nfsrv_zapsock(struct nfssvc_sock *);
    288      1.57      yamt void nfsrv_slpderef(struct nfssvc_sock *);
    289      1.57      yamt void nfsrv_init(int);
    290      1.84        ad void nfsrv_fini(void);
    291      1.57      yamt void nfs_iodinit(void);
    292      1.84        ad void nfs_iodfini(void);
    293      1.72      yamt int nfs_set_niothreads(int);
    294      1.59      elad int nfs_getauth(struct nfsmount *, struct nfsreq *, kauth_cred_t, char **,
    295      1.57      yamt 	int *, char *, int *, NFSKERBKEY_T);
    296      1.59      elad int nfs_getnickauth(struct nfsmount *, kauth_cred_t, char **, int *, char *,
    297      1.57      yamt 	int);
    298      1.59      elad int nfs_savenickauth(struct nfsmount *, kauth_cred_t, int, NFSKERBKEY_T,
    299      1.57      yamt 	struct mbuf **, char **, struct mbuf *);
    300      1.52      jmmv 
    301      1.52      jmmv /* nfs_export.c */
    302      1.52      jmmv extern struct nfs_public nfs_pub;
    303      1.55  christos int mountd_set_exports_list(const struct mountd_exports_list *, struct lwp *);
    304      1.54      yamt int netexport_check(const fsid_t *, struct mbuf *, struct mount **, int *,
    305      1.59      elad     kauth_cred_t *);
    306      1.58      yamt void netexport_rdlock(void);
    307      1.58      yamt void netexport_rdunlock(void);
    308      1.32      yamt #endif /* _KERNEL */
    309