353 lines
14 KiB
C
353 lines
14 KiB
C
/* $NetBSD: nfs_var.h,v 1.90 2010/03/02 23:19:09 pooka Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1996 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Christos Zoulas.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* XXX needs <nfs/rpcv2.h> and <nfs/nfs.h> because of typedefs
|
|
*/
|
|
|
|
#ifdef _KERNEL
|
|
#include <sys/mallocvar.h>
|
|
#include <sys/pool.h>
|
|
|
|
struct vnode;
|
|
struct uio;
|
|
struct proc;
|
|
struct buf;
|
|
struct nfs_diskless;
|
|
struct sockaddr_in;
|
|
struct nfs_dlmount;
|
|
struct vnode;
|
|
struct nfsd;
|
|
struct mbuf;
|
|
struct file;
|
|
struct nfssvc_sock;
|
|
struct nfsmount;
|
|
struct socket;
|
|
struct nfsreq;
|
|
struct vattr;
|
|
struct nameidata;
|
|
struct nfsnode;
|
|
struct sillyrename;
|
|
struct componentname;
|
|
struct nfsd_srvargs;
|
|
struct nfsrv_descript;
|
|
struct nfs_fattr;
|
|
struct nfsdircache;
|
|
union nethostaddr;
|
|
|
|
/* nfs_bio.c */
|
|
int nfs_bioread(struct vnode *, struct uio *, int, kauth_cred_t, int);
|
|
struct buf *nfs_getcacheblk(struct vnode *, daddr_t, int, struct lwp *);
|
|
int nfs_vinvalbuf(struct vnode *, int, kauth_cred_t, struct lwp *, int);
|
|
int nfs_flushstalebuf(struct vnode *, kauth_cred_t, struct lwp *, int);
|
|
#define NFS_FLUSHSTALEBUF_MYWRITE 1 /* assume writes are ours */
|
|
int nfs_asyncio(struct buf *);
|
|
int nfs_doio(struct buf *);
|
|
|
|
/* nfs_boot.c */
|
|
/* see nfsdiskless.h */
|
|
|
|
/* nfs_kq.c */
|
|
void nfs_kqinit(void);
|
|
void nfs_kqfini(void);
|
|
|
|
/* nfs_node.c */
|
|
void nfs_rbtinit(struct nfsmount *);
|
|
void nfs_node_init(void);
|
|
void nfs_node_done(void);
|
|
|
|
int nfs_nget1(struct mount *, nfsfh_t *, int, struct nfsnode **, int);
|
|
#define nfs_nget(mp, fhp, fhsize, npp) \
|
|
nfs_nget1((mp), (fhp), (fhsize), (npp), 0)
|
|
|
|
/* nfs_vnops.c */
|
|
int nfs_null(struct vnode *, kauth_cred_t, struct lwp *);
|
|
int nfs_setattrrpc(struct vnode *, struct vattr *, kauth_cred_t, struct lwp *);
|
|
int nfs_readlinkrpc(struct vnode *, struct uio *, kauth_cred_t);
|
|
int nfs_readrpc(struct vnode *, struct uio *);
|
|
int nfs_writerpc(struct vnode *, struct uio *, int *, bool, bool *);
|
|
int nfs_mknodrpc(struct vnode *, struct vnode **, struct componentname *,
|
|
struct vattr *);
|
|
int nfs_removeit(struct sillyrename *);
|
|
int nfs_removerpc(struct vnode *, const char *, int, kauth_cred_t,
|
|
struct lwp *);
|
|
int nfs_renameit(struct vnode *, struct componentname *, struct sillyrename *);
|
|
int nfs_renamerpc(struct vnode *, const char *, int, struct vnode *,
|
|
const char *, int, kauth_cred_t, struct lwp *);
|
|
int nfs_readdirrpc(struct vnode *, struct uio *, kauth_cred_t);
|
|
int nfs_readdirplusrpc(struct vnode *, struct uio *, kauth_cred_t);
|
|
int nfs_sillyrename(struct vnode *, struct vnode *, struct componentname *,
|
|
bool);
|
|
int nfs_lookitup(struct vnode *, const char *, int, kauth_cred_t,
|
|
struct lwp *, struct nfsnode **);
|
|
int nfs_commit(struct vnode *, off_t, uint32_t, struct lwp *);
|
|
int nfs_flush(struct vnode *, kauth_cred_t, int, struct lwp *, int);
|
|
|
|
/* nfs_serv.c */
|
|
int nfsrv3_access(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_getattr(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_setattr(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_lookup(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_readlink(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_read(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_write(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_writegather(struct nfsrv_descript **, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
void nfsrvw_coalesce(struct nfsrv_descript *, struct nfsrv_descript *);
|
|
int nfsrv_create(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_mknod(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_remove(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_rename(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_link(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_symlink(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_mkdir(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_rmdir(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_readdir(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_readdirplus(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_commit(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_statfs(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_fsinfo(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_pathconf(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_null(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_noop(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct lwp *, struct mbuf **);
|
|
int nfsrv_access(struct vnode *, int, kauth_cred_t, int, struct lwp *, int);
|
|
|
|
/* nfs_socket.c */
|
|
int nfs_connect(struct nfsmount *, struct nfsreq *, struct lwp *);
|
|
int nfs_reconnect(struct nfsreq *);
|
|
void nfs_disconnect(struct nfsmount *);
|
|
void nfs_safedisconnect(struct nfsmount *);
|
|
int nfs_send(struct socket *, struct mbuf *, struct mbuf *, struct nfsreq *,
|
|
struct lwp *);
|
|
int nfs_request(struct nfsnode *, struct mbuf *, int, struct lwp *,
|
|
kauth_cred_t, struct mbuf **, struct mbuf **, char **, int *);
|
|
int nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *,
|
|
int, int, u_quad_t *, struct mbuf **, struct mbuf **, char **);
|
|
void nfs_timer(void *);
|
|
void nfs_timer_init(void);
|
|
void nfs_timer_fini(void);
|
|
void nfs_timer_start(void);
|
|
void nfs_timer_srvinit(bool (*)(void));
|
|
void nfs_timer_srvfini(void);
|
|
int nfs_sigintr(struct nfsmount *, struct nfsreq *, struct lwp *);
|
|
int nfs_getreq(struct nfsrv_descript *, struct nfsd *, int);
|
|
int nfs_msg(struct lwp *, const char *, const char *);
|
|
void nfsrv_soupcall(struct socket *, void *, int, int);
|
|
void nfsrv_rcv(struct nfssvc_sock *);
|
|
int nfsrv_getstream(struct nfssvc_sock *, int);
|
|
int nfsrv_dorec(struct nfssvc_sock *, struct nfsd *, struct nfsrv_descript **,
|
|
bool *);
|
|
void nfsrv_wakenfsd(struct nfssvc_sock *);
|
|
int nfsdsock_lock(struct nfssvc_sock *, bool);
|
|
void nfsdsock_unlock(struct nfssvc_sock *);
|
|
int nfsdsock_drain(struct nfssvc_sock *);
|
|
int nfsdsock_sendreply(struct nfssvc_sock *, struct nfsrv_descript *);
|
|
void nfsdreq_init(void);
|
|
void nfsdreq_fini(void);
|
|
struct nfsrv_descript *nfsdreq_alloc(void);
|
|
void nfsdreq_free(struct nfsrv_descript *);
|
|
bool nfsrv_timer(void);
|
|
int nfs_rcvlock(struct nfsmount *, struct nfsreq *);
|
|
void nfs_rcvunlock(struct nfsmount *);
|
|
|
|
void nfsdsock_setbits(struct nfssvc_sock *, int);
|
|
void nfsdsock_clearbits(struct nfssvc_sock *, int);
|
|
bool nfsdsock_testbits(struct nfssvc_sock *, int);
|
|
|
|
/*
|
|
* Estimate rto for an nfs rpc sent via. an unreliable datagram.
|
|
* Use the mean and mean deviation of rtt for the appropriate type of rpc
|
|
* for the frequent rpcs and a default for the others.
|
|
* The justification for doing "other" this way is that these rpcs
|
|
* happen so infrequently that timer est. would probably be stale.
|
|
* Also, since many of these rpcs are
|
|
* non-idempotent, a conservative timeout is desired.
|
|
* getattr, lookup - A+2D
|
|
* read, write - A+4D
|
|
* other - nm_timeo
|
|
*/
|
|
#define NFS_RTO(n, t) \
|
|
((t) == 0 ? (n)->nm_timeo : \
|
|
((t) < 3 ? \
|
|
(((((n)->nm_srtt[t-1] + 3) >> 2) + (n)->nm_sdrtt[t-1] + 1) >> 1) : \
|
|
((((n)->nm_srtt[t-1] + 7) >> 3) + (n)->nm_sdrtt[t-1] + 1)))
|
|
#define NFS_SRTT(r) (r)->r_nmp->nm_srtt[nfs_proct[(r)->r_procnum] - 1]
|
|
#define NFS_SDRTT(r) (r)->r_nmp->nm_sdrtt[nfs_proct[(r)->r_procnum] - 1]
|
|
|
|
extern int nfsrtton;
|
|
extern struct nfsrtt nfsrtt;
|
|
extern const int nfs_proct[];
|
|
|
|
extern const struct timeval nfs_err_interval;
|
|
extern struct timeval nfs_reply_last_err_time;
|
|
extern struct timeval nfs_timer_last_err_time;
|
|
|
|
|
|
/* nfs_srvcache.c */
|
|
void nfsrv_initcache(void);
|
|
void nfsrv_finicache(void);
|
|
int nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct mbuf **);
|
|
void nfsrv_updatecache(struct nfsrv_descript *, int, struct mbuf *);
|
|
void nfsrv_cleancache(void);
|
|
|
|
/* nfs_subs.c */
|
|
struct mbuf *nfsm_reqh(struct nfsnode *, u_long, int, char **);
|
|
struct mbuf *nfsm_rpchead(kauth_cred_t, int, int, int, int, char *, int,
|
|
char *, struct mbuf *, int, struct mbuf **, u_int32_t *);
|
|
int nfsm_mbuftouio(struct mbuf **, struct uio *, int, char **);
|
|
int nfsm_uiotombuf(struct uio *, struct mbuf **, int, char **);
|
|
int nfsm_disct(struct mbuf **, char **, int, int, char **);
|
|
int nfs_adv(struct mbuf **, char **, int, int);
|
|
int nfsm_strtmbuf(struct mbuf **, char **, const char *, long);
|
|
u_long nfs_dirhash(off_t);
|
|
void nfs_initdircache(struct vnode *);
|
|
void nfs_initdirxlatecookie(struct vnode *);
|
|
struct nfsdircache *nfs_searchdircache(struct vnode *, off_t, int, int *);
|
|
struct nfsdircache *nfs_enterdircache(struct vnode *, off_t, off_t, int,
|
|
daddr_t);
|
|
void nfs_putdircache(struct nfsnode *, struct nfsdircache *);
|
|
void nfs_invaldircache(struct vnode *, int);
|
|
#define NFS_INVALDIRCACHE_FORCE 1
|
|
#define NFS_INVALDIRCACHE_KEEPEOF 2
|
|
void nfs_init(void);
|
|
void nfs_fini(void);
|
|
int nfsm_loadattrcache(struct vnode **, struct mbuf **, char **,
|
|
struct vattr *, int flags);
|
|
int nfs_loadattrcache(struct vnode **, struct nfs_fattr *, struct vattr *,
|
|
int flags);
|
|
int nfs_getattrcache(struct vnode *, struct vattr *);
|
|
void nfs_delayedtruncate(struct vnode *);
|
|
int nfs_check_wccdata(struct nfsnode *, const struct timespec *,
|
|
struct timespec *, bool);
|
|
int nfs_namei(struct nameidata *, nfsrvfh_t *, uint32_t, struct nfssvc_sock *,
|
|
struct mbuf *, struct mbuf **, char **, struct vnode **, struct lwp *,
|
|
int, int);
|
|
void nfs_zeropad(struct mbuf *, int, int);
|
|
void nfsm_srvwcc(struct nfsrv_descript *, int, struct vattr *, int,
|
|
struct vattr *, struct mbuf **, char **);
|
|
void nfsm_srvpostopattr(struct nfsrv_descript *, int, struct vattr *,
|
|
struct mbuf **, char **);
|
|
void nfsm_srvfattr(struct nfsrv_descript *, struct vattr *, struct nfs_fattr *);
|
|
int nfsrv_fhtovp(nfsrvfh_t *, int, struct vnode **, kauth_cred_t,
|
|
struct nfssvc_sock *, struct mbuf *, int *, int, int);
|
|
int nfs_ispublicfh(const nfsrvfh_t *);
|
|
int netaddr_match(int, union nethostaddr *, struct mbuf *);
|
|
time_t nfs_attrtimeo(struct nfsmount *, struct nfsnode *);
|
|
|
|
/* flags for nfs_loadattrcache and friends */
|
|
#define NAC_NOTRUNC 1 /* don't truncate file size */
|
|
|
|
void nfs_clearcommit(struct mount *);
|
|
void nfs_merge_commit_ranges(struct vnode *);
|
|
int nfs_in_committed_range(struct vnode *, off_t, off_t);
|
|
int nfs_in_tobecommitted_range(struct vnode *, off_t, off_t);
|
|
void nfs_add_committed_range(struct vnode *, off_t, off_t);
|
|
void nfs_del_committed_range(struct vnode *, off_t, off_t);
|
|
void nfs_add_tobecommitted_range(struct vnode *, off_t, off_t);
|
|
void nfs_del_tobecommitted_range(struct vnode *, off_t, off_t);
|
|
|
|
int nfsrv_errmap(struct nfsrv_descript *, int);
|
|
void nfs_cookieheuristic(struct vnode *, int *, struct lwp *, kauth_cred_t);
|
|
|
|
u_int32_t nfs_getxid(void);
|
|
void nfs_renewxid(struct nfsreq *);
|
|
|
|
int nfsrv_composefh(struct vnode *, nfsrvfh_t *, bool);
|
|
int nfsrv_comparefh(const nfsrvfh_t *, const nfsrvfh_t *);
|
|
void nfsrv_copyfh(nfsrvfh_t *, const nfsrvfh_t *);
|
|
|
|
extern const enum vtype nv2tov_type[8];
|
|
extern const enum vtype nv3tov_type[8];
|
|
|
|
extern u_int32_t rpc_reply, rpc_msgdenied, rpc_mismatch, rpc_vers,
|
|
rpc_auth_unix, rpc_msgaccepted, rpc_call, rpc_autherr,
|
|
rpc_auth_kerb;
|
|
extern u_int32_t nfs_prog;
|
|
extern const int nfsv3_procid[NFS_NPROCS];
|
|
extern int nfs_ticks;
|
|
|
|
/* nfs_syscalls.c */
|
|
struct sys_getfh_args;
|
|
struct sys_nfssvc_args;
|
|
int sys_getfh(struct lwp *, const struct sys_getfh_args *, register_t *);
|
|
int sys_nfssvc(struct lwp *, const struct sys_nfssvc_args *, register_t *);
|
|
int nfssvc_addsock(struct file *, struct mbuf *);
|
|
int nfssvc_nfsd(struct nfsd_srvargs *, void *, struct lwp *);
|
|
void nfsrv_zapsock(struct nfssvc_sock *);
|
|
void nfsrv_slpderef(struct nfssvc_sock *);
|
|
void nfsrv_init(int);
|
|
void nfsrv_fini(void);
|
|
void nfs_iodinit(void);
|
|
void nfs_iodfini(void);
|
|
int nfs_set_niothreads(int);
|
|
int nfs_getauth(struct nfsmount *, struct nfsreq *, kauth_cred_t, char **,
|
|
int *, char *, int *, NFSKERBKEY_T);
|
|
int nfs_getnickauth(struct nfsmount *, kauth_cred_t, char **, int *, char *,
|
|
int);
|
|
int nfs_savenickauth(struct nfsmount *, kauth_cred_t, int, NFSKERBKEY_T,
|
|
struct mbuf **, char **, struct mbuf *);
|
|
|
|
/* nfs_export.c */
|
|
extern struct nfs_public nfs_pub;
|
|
int mountd_set_exports_list(const struct mountd_exports_list *, struct lwp *,
|
|
struct mount *);
|
|
int netexport_check(const fsid_t *, struct mbuf *, struct mount **, int *,
|
|
kauth_cred_t *);
|
|
void netexport_rdlock(void);
|
|
void netexport_rdunlock(void);
|
|
void netexport_init(void);
|
|
void netexport_fini(void);
|
|
#endif /* _KERNEL */
|