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nfs_var.h revision 1.85
      1  1.85     pooka /*	$NetBSD: nfs_var.h,v 1.85 2008/11/28 06:47:08 pooka 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  1.63      yamt int nfs_ispublicfh __P((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