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-rw-r--r--sys/nfs/nfs.h739
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diff --git a/sys/nfs/nfs.h b/sys/nfs/nfs.h
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+/*
+ * Copyright (c) 1989, 1993, 1995
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Rick Macklem at The University of Guelph.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ * @(#)nfs.h 8.4 (Berkeley) 5/1/95
+ * $FreeBSD$
+ */
+
+#ifndef _NFS_NFS_H_
+#define _NFS_NFS_H_
+
+#ifdef KERNEL
+#include "opt_nfs.h"
+#endif
+
+/*
+ * Tunable constants for nfs
+ */
+
+#define NFS_MAXIOVEC 34
+#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
+#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
+#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
+#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
+#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
+#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
+#define NFS_MAXREXMIT 100 /* Stop counting after this many */
+#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
+#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
+#define NFS_MAXGRPS 16 /* Max. size of groups list */
+#ifndef NFS_MINATTRTIMO
+#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */
+#endif
+#ifndef NFS_MAXATTRTIMO
+#define NFS_MAXATTRTIMO 60
+#endif
+#ifndef NFS_MINDIRATTRTIMO
+#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */
+#endif
+#ifndef NFS_MAXDIRATTRTIMO
+#define NFS_MAXDIRATTRTIMO 60
+#endif
+#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
+#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
+#define NFS_READDIRSIZE 8192 /* Def. readdir size */
+#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
+#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
+#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
+#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */
+#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
+#ifndef NFS_GATHERDELAY
+#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */
+#endif
+#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
+#ifdef KERNEL
+#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
+#endif
+
+/*
+ * Oddballs
+ */
+#define NMOD(a) ((a) % nfs_asyncdaemons)
+#define NFS_CMPFH(n, f, s) \
+ ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
+#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
+#define NFS_SRVMAXDATA(n) \
+ (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
+ NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
+
+/*
+ * XXX
+ * The B_INVAFTERWRITE flag should be set to whatever is required by the
+ * buffer cache code to say "Invalidate the block after it is written back".
+ */
+#define B_INVAFTERWRITE B_NOCACHE
+
+/*
+ * The IO_METASYNC flag should be implemented for local file systems.
+ * (Until then, it is nothin at all.)
+ */
+#ifndef IO_METASYNC
+#define IO_METASYNC 0
+#endif
+
+/*
+ * Expected allocation sizes for major data structures. If the actual size
+ * of the structure exceeds these sizes, then malloc() will be allocating
+ * almost twice the memory required. This is used in nfs_init() to warn
+ * the sysadmin that the size of a structure should be reduced.
+ * (These sizes are always a power of 2. If the kernel malloc() changes
+ * to one that does not allocate space in powers of 2 size, then this all
+ * becomes bunk!)
+ */
+#define NFS_SVCALLOC 256
+#define NFS_UIDALLOC 128
+
+/*
+ * Arguments to mount NFS
+ */
+#define NFS_ARGSVERSION 3 /* change when nfs_args changes */
+struct nfs_args {
+ int version; /* args structure version number */
+ struct sockaddr *addr; /* file server address */
+ int addrlen; /* length of address */
+ int sotype; /* Socket type */
+ int proto; /* and Protocol */
+ u_char *fh; /* File handle to be mounted */
+ int fhsize; /* Size, in bytes, of fh */
+ int flags; /* flags */
+ int wsize; /* write size in bytes */
+ int rsize; /* read size in bytes */
+ int readdirsize; /* readdir size in bytes */
+ int timeo; /* initial timeout in .1 secs */
+ int retrans; /* times to retry send */
+ int maxgrouplist; /* Max. size of group list */
+ int readahead; /* # of blocks to readahead */
+ int leaseterm; /* Term (sec) of lease */
+ int deadthresh; /* Retrans threshold */
+ char *hostname; /* server's name */
+ int acregmin; /* cache attrs for reg files min time */
+ int acregmax; /* cache attrs for reg files max time */
+ int acdirmin; /* cache attrs for dirs min time */
+ int acdirmax; /* cache attrs for dirs max time */
+};
+
+/*
+ * NFS mount option flags
+ */
+#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
+#define NFSMNT_WSIZE 0x00000002 /* set write size */
+#define NFSMNT_RSIZE 0x00000004 /* set read size */
+#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */
+#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */
+#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */
+#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */
+#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */
+#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */
+#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */
+#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */
+#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */
+#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */
+#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */
+#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */
+#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */
+#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */
+#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */
+#define NFSMNT_ACREGMIN 0x00040000
+#define NFSMNT_ACREGMAX 0x00080000
+#define NFSMNT_ACDIRMIN 0x00100000
+#define NFSMNT_ACDIRMAX 0x00200000
+
+#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */
+#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */
+#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */
+#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */
+#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */
+#define NFSSTA_DISMNT 0x00800000 /* Dismounted */
+#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */
+#define NFSSTA_WANTSND 0x02000000 /* Want above */
+#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */
+#define NFSSTA_WANTRCV 0x08000000 /* Want above */
+#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */
+#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */
+#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */
+#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */
+
+/*
+ * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
+ * should ever try and use it.
+ */
+struct nfsd_args {
+ int sock; /* Socket to serve */
+ caddr_t name; /* Client addr for connection based sockets */
+ int namelen; /* Length of name */
+};
+
+struct nfsd_srvargs {
+ struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */
+ uid_t nsd_uid; /* Effective uid mapped to cred */
+ u_int32_t nsd_haddr; /* Ip address of client */
+ struct ucred nsd_cr; /* Cred. uid maps to */
+ int nsd_authlen; /* Length of auth string (ret) */
+ u_char *nsd_authstr; /* Auth string (ret) */
+ int nsd_verflen; /* and the verfier */
+ u_char *nsd_verfstr;
+ struct timeval nsd_timestamp; /* timestamp from verifier */
+ u_int32_t nsd_ttl; /* credential ttl (sec) */
+ NFSKERBKEY_T nsd_key; /* Session key */
+};
+
+struct nfsd_cargs {
+ char *ncd_dirp; /* Mount dir path */
+ uid_t ncd_authuid; /* Effective uid */
+ int ncd_authtype; /* Type of authenticator */
+ int ncd_authlen; /* Length of authenticator string */
+ u_char *ncd_authstr; /* Authenticator string */
+ int ncd_verflen; /* and the verifier */
+ u_char *ncd_verfstr;
+ NFSKERBKEY_T ncd_key; /* Session key */
+};
+
+/*
+ * XXX to allow amd to include nfs.h without nfsproto.h
+ */
+#ifdef NFS_NPROCS
+/*
+ * Stats structure
+ */
+struct nfsstats {
+ int attrcache_hits;
+ int attrcache_misses;
+ int lookupcache_hits;
+ int lookupcache_misses;
+ int direofcache_hits;
+ int direofcache_misses;
+ int biocache_reads;
+ int read_bios;
+ int read_physios;
+ int biocache_writes;
+ int write_bios;
+ int write_physios;
+ int biocache_readlinks;
+ int readlink_bios;
+ int biocache_readdirs;
+ int readdir_bios;
+ int rpccnt[NFS_NPROCS];
+ int rpcretries;
+ int srvrpccnt[NFS_NPROCS];
+ int srvrpc_errs;
+ int srv_errs;
+ int rpcrequests;
+ int rpctimeouts;
+ int rpcunexpected;
+ int rpcinvalid;
+ int srvcache_inproghits;
+ int srvcache_idemdonehits;
+ int srvcache_nonidemdonehits;
+ int srvcache_misses;
+ int srvnqnfs_leases;
+ int srvnqnfs_maxleases;
+ int srvnqnfs_getleases;
+ int srvvop_writes;
+ int accesscache_hits;
+ int accesscache_misses;
+};
+#endif
+
+/*
+ * Flags for nfssvc() system call.
+ */
+#define NFSSVC_BIOD 0x002
+#define NFSSVC_NFSD 0x004
+#define NFSSVC_ADDSOCK 0x008
+#define NFSSVC_AUTHIN 0x010
+#define NFSSVC_GOTAUTH 0x040
+#define NFSSVC_AUTHINFAIL 0x080
+#define NFSSVC_MNTD 0x100
+
+/*
+ * fs.nfs sysctl(3) identifiers
+ */
+#define NFS_NFSSTATS 1 /* struct: struct nfsstats */
+#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */
+
+#define FS_NFS_NAMES { \
+ { 0, 0 }, \
+ { "nfsstats", CTLTYPE_STRUCT }, \
+ { "nfsprivport", CTLTYPE_INT }, \
+}
+
+#ifdef KERNEL
+
+#ifdef MALLOC_DECLARE
+MALLOC_DECLARE(M_NFSREQ);
+MALLOC_DECLARE(M_NFSDIROFF);
+MALLOC_DECLARE(M_NFSRVDESC);
+MALLOC_DECLARE(M_NFSUID);
+MALLOC_DECLARE(M_NQLEASE);
+MALLOC_DECLARE(M_NFSD);
+MALLOC_DECLARE(M_NFSBIGFH);
+MALLOC_DECLARE(M_NFSHASH);
+#endif
+
+#ifdef ZONE_INTERRUPT
+extern vm_zone_t nfsmount_zone;
+#endif
+
+extern struct callout_handle nfs_timer_handle;
+
+struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
+
+/*
+ * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
+ * What should be in this set is open to debate, but I believe that since
+ * I/O system calls on ufs are never interrupted by signals the set should
+ * be minimal. My reasoning is that many current programs that use signals
+ * such as SIGALRM will not expect file I/O system calls to be interrupted
+ * by them and break.
+ */
+#define NFSINT_SIGMASK(set) \
+ (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \
+ SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \
+ SIGISMEMBER(set, SIGQUIT))
+
+/*
+ * Socket errors ignored for connectionless sockets??
+ * For now, ignore them all
+ */
+#define NFSIGNORE_SOERROR(s, e) \
+ ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
+ ((s) & PR_CONNREQUIRED) == 0)
+
+/*
+ * Nfs outstanding request list element
+ */
+struct nfsreq {
+ TAILQ_ENTRY(nfsreq) r_chain;
+ struct mbuf *r_mreq;
+ struct mbuf *r_mrep;
+ struct mbuf *r_md;
+ caddr_t r_dpos;
+ struct nfsmount *r_nmp;
+ struct vnode *r_vp;
+ u_int32_t r_xid;
+ int r_flags; /* flags on request, see below */
+ int r_retry; /* max retransmission count */
+ int r_rexmit; /* current retrans count */
+ int r_timer; /* tick counter on reply */
+ u_int32_t r_procnum; /* NFS procedure number */
+ int r_rtt; /* RTT for rpc */
+ struct proc *r_procp; /* Proc that did I/O system call */
+};
+
+/*
+ * Queue head for nfsreq's
+ */
+extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq;
+
+/* Flag values for r_flags */
+#define R_TIMING 0x01 /* timing request (in mntp) */
+#define R_SENT 0x02 /* request has been sent */
+#define R_SOFTTERM 0x04 /* soft mnt, too many retries */
+#define R_INTR 0x08 /* intr mnt, signal pending */
+#define R_SOCKERR 0x10 /* Fatal error on socket */
+#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */
+#define R_MUSTRESEND 0x40 /* Must resend request */
+#define R_GETONEREP 0x80 /* Probe for one reply only */
+
+/*
+ * A list of nfssvc_sock structures is maintained with all the sockets
+ * that require service by the nfsd.
+ * The nfsuid structs hang off of the nfssvc_sock structs in both lru
+ * and uid hash lists.
+ */
+#ifndef NFS_UIDHASHSIZ
+#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
+#endif
+#define NUIDHASH(sock, uid) \
+ (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
+#ifndef NFS_WDELAYHASHSIZ
+#define NFS_WDELAYHASHSIZ 16 /* and with this */
+#endif
+#define NWDELAYHASH(sock, f) \
+ (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ])
+#ifndef NFS_MUIDHASHSIZ
+#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
+#endif
+#define NMUIDHASH(nmp, uid) \
+ (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
+#define NFSNOHASH(fhsum) \
+ (&nfsnodehashtbl[(fhsum) & nfsnodehash])
+
+/*
+ * Network address hash list element
+ */
+union nethostaddr {
+ u_int32_t had_inetaddr;
+ struct sockaddr *had_nam;
+};
+
+struct nfsuid {
+ TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
+ LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
+ int nu_flag; /* Flags */
+ union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
+ struct ucred nu_cr; /* Cred uid mapped to */
+ int nu_expire; /* Expiry time (sec) */
+ struct timeval nu_timestamp; /* Kerb. timestamp */
+ u_int32_t nu_nickname; /* Nickname on server */
+ NFSKERBKEY_T nu_key; /* and session key */
+};
+
+#define nu_inetaddr nu_haddr.had_inetaddr
+#define nu_nam nu_haddr.had_nam
+/* Bits for nu_flag */
+#define NU_INETADDR 0x1
+#define NU_NAM 0x2
+#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
+
+struct nfsrv_rec {
+ STAILQ_ENTRY(nfsrv_rec) nr_link;
+ struct sockaddr *nr_address;
+ struct mbuf *nr_packet;
+};
+
+struct nfssvc_sock {
+ TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
+ TAILQ_HEAD(, nfsuid) ns_uidlruhead;
+ struct file *ns_fp;
+ struct socket *ns_so;
+ struct sockaddr *ns_nam;
+ struct mbuf *ns_raw;
+ struct mbuf *ns_rawend;
+ STAILQ_HEAD(, nfsrv_rec) ns_rec;
+ struct mbuf *ns_frag;
+ int ns_flag;
+ int ns_solock;
+ int ns_cc;
+ int ns_reclen;
+ int ns_numuids;
+ u_int32_t ns_sref;
+ LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */
+ LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
+ LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
+};
+
+/* Bits for "ns_flag" */
+#define SLP_VALID 0x01
+#define SLP_DOREC 0x02
+#define SLP_NEEDQ 0x04
+#define SLP_DISCONN 0x08
+#define SLP_GETSTREAM 0x10
+#define SLP_LASTFRAG 0x20
+#define SLP_ALLFLAGS 0xff
+
+extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead;
+extern int nfssvc_sockhead_flag;
+#define SLP_INIT 0x01
+#define SLP_WANTINIT 0x02
+
+/*
+ * One of these structures is allocated for each nfsd.
+ */
+struct nfsd {
+ TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
+ int nfsd_flag; /* NFSD_ flags */
+ struct nfssvc_sock *nfsd_slp; /* Current socket */
+ int nfsd_authlen; /* Authenticator len */
+ u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
+ int nfsd_verflen; /* and the Verifier */
+ u_char nfsd_verfstr[RPCVERF_MAXSIZ];
+ struct proc *nfsd_procp; /* Proc ptr */
+ struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
+};
+
+/* Bits for "nfsd_flag" */
+#define NFSD_WAITING 0x01
+#define NFSD_REQINPROG 0x02
+#define NFSD_NEEDAUTH 0x04
+#define NFSD_AUTHFAIL 0x08
+
+/*
+ * This structure is used by the server for describing each request.
+ * Some fields are used only when write request gathering is performed.
+ */
+struct nfsrv_descript {
+ u_quad_t nd_time; /* Write deadline (usec) */
+ off_t nd_off; /* Start byte offset */
+ off_t nd_eoff; /* and end byte offset */
+ LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
+ LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
+ LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
+ struct mbuf *nd_mrep; /* Request mbuf list */
+ struct mbuf *nd_md; /* Current dissect mbuf */
+ struct mbuf *nd_mreq; /* Reply mbuf list */
+ struct sockaddr *nd_nam; /* and socket addr */
+ struct sockaddr *nd_nam2; /* return socket addr */
+ caddr_t nd_dpos; /* Current dissect pos */
+ u_int32_t nd_procnum; /* RPC # */
+ int nd_stable; /* storage type */
+ int nd_flag; /* nd_flag */
+ int nd_len; /* Length of this write */
+ int nd_repstat; /* Reply status */
+ u_int32_t nd_retxid; /* Reply xid */
+ u_int32_t nd_duration; /* Lease duration */
+ struct timeval nd_starttime; /* Time RPC initiated */
+ fhandle_t nd_fh; /* File handle */
+ struct ucred nd_cr; /* Credentials */
+};
+
+/* Bits for "nd_flag" */
+#define ND_READ LEASE_READ
+#define ND_WRITE LEASE_WRITE
+#define ND_CHECK 0x04
+#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK)
+#define ND_NFSV3 0x08
+#define ND_NQNFS 0x10
+#define ND_KERBNICK 0x20
+#define ND_KERBFULL 0x40
+#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
+
+extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
+extern int nfsd_head_flag;
+#define NFSD_CHECKSLP 0x01
+
+/*
+ * These macros compare nfsrv_descript structures.
+ */
+#define NFSW_CONTIG(o, n) \
+ ((o)->nd_eoff >= (n)->nd_off && \
+ !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
+
+#define NFSW_SAMECRED(o, n) \
+ (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
+ !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
+ sizeof (struct ucred)))
+
+/*
+ * Defines for WebNFS
+ */
+
+#define WEBNFS_ESC_CHAR '%'
+#define WEBNFS_SPECCHAR_START 0x80
+
+#define WEBNFS_NATIVE_CHAR 0x80
+/*
+ * ..
+ * Possibly more here in the future.
+ */
+
+/*
+ * Macro for converting escape characters in WebNFS pathnames.
+ * Should really be in libkern.
+ */
+
+#define HEXTOC(c) \
+ ((c) >= 'a' ? ((c) - ('a' - 10)) : \
+ ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0')))
+#define HEXSTRTOI(p) \
+ ((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
+
+#ifdef NFS_DEBUG
+
+extern int nfs_debug;
+#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
+#define NFS_DEBUG_WG 2 /* server write gathering */
+#define NFS_DEBUG_RC 4 /* server request caching */
+
+#define NFS_DPF(cat, args) \
+ do { \
+ if (nfs_debug & NFS_DEBUG_##cat) printf args; \
+ } while (0)
+
+#else
+
+#define NFS_DPF(cat, args)
+
+#endif
+
+u_quad_t nfs_curusec __P((void));
+int nfs_init __P((struct vfsconf *vfsp));
+int nfs_uninit __P((struct vfsconf *vfsp));
+int nfs_reply __P((struct nfsreq *));
+int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int));
+int nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *,
+ struct nfsreq *));
+int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *,
+ int, int, u_quad_t *, struct mbuf **, struct mbuf **,
+ caddr_t *));
+int nfs_sndlock __P((struct nfsreq *));
+void nfs_sndunlock __P((struct nfsreq *));
+int nfs_slplock __P((struct nfssvc_sock *, int));
+void nfs_slpunlock __P((struct nfssvc_sock *));
+int nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
+int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *,
+ int));
+int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *));
+int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *,
+ int *));
+int nfs_commit __P((struct vnode *vp, u_quad_t offset, int cnt,
+ struct ucred *cred, struct proc *procp));
+int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *));
+int nfs_asyncio __P((struct buf *, struct ucred *, struct proc *));
+int nfs_doio __P((struct buf *, struct ucred *, struct proc *));
+int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *));
+int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *));
+int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *));
+int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
+void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *,
+ struct nfs_fattr *));
+void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int,
+ struct vattr *, struct mbuf **, char **));
+void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *,
+ struct mbuf **, char **));
+int netaddr_match __P((int, union nethostaddr *, struct sockaddr *));
+int nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *,
+ struct ucred *, struct mbuf **, struct mbuf **,
+ caddr_t *));
+int nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *,
+ struct vattr *));
+int nfs_namei __P((struct nameidata *, fhandle_t *, int,
+ struct nfssvc_sock *, struct sockaddr *, struct mbuf **,
+ caddr_t *, struct vnode **, struct proc *, int, int));
+void nfsm_adj __P((struct mbuf *, int, int));
+int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *));
+void nfsrv_initcache __P((void));
+int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *,
+ char **, int *, char *, int *, NFSKERBKEY_T));
+int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **,
+ int *, char *, int));
+int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int,
+ NFSKERBKEY_T, struct mbuf **, char **,
+ struct mbuf *));
+int nfs_adv __P((struct mbuf **, caddr_t *, int, int));
+void nfs_nhinit __P((void));
+void nfs_timer __P((void*));
+u_long nfs_hash __P((nfsfh_t *, int));
+int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *,
+ struct nfsrv_descript **));
+int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *,
+ struct mbuf **));
+void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *));
+void nfsrv_cleancache __P((void));
+int nfs_connect __P((struct nfsmount *, struct nfsreq *));
+void nfs_disconnect __P((struct nfsmount *));
+void nfs_safedisconnect __P((struct nfsmount *));
+int nfs_getattrcache __P((struct vnode *, struct vattr *));
+int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long));
+int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *));
+int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *));
+void nfsrv_init __P((int));
+void nfs_clearcommit __P((struct mount *));
+int nfsrv_errmap __P((struct nfsrv_descript *, int));
+void nfsrvw_sort __P((gid_t *, int));
+void nfsrv_setcred __P((struct ucred *, struct ucred *));
+int nfs_writebp __P((struct buf *, int, struct proc *));
+int nfsrv_object_create __P((struct vnode *));
+void nfsrv_wakenfsd __P((struct nfssvc_sock *slp));
+int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
+ struct proc *, struct mbuf **));
+int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *,
+ struct proc *p));
+
+int nfsrv3_access __P((struct nfsrv_descript *nfsd,
+ struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *,
+ struct nfssvc_sock *, struct sockaddr *, int *,
+ int, int));
+int nfsrv_setpublicfs __P((struct mount *, struct netexport *,
+ struct export_args *));
+int nfs_ispublicfh __P((fhandle_t *));
+int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_pathconf __P((struct nfsrv_descript *nfsd,
+ struct nfssvc_sock *slp, struct proc *procp,
+ struct mbuf **mrq));
+int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_readdir __P((struct nfsrv_descript *nfsd,
+ struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd,
+ struct nfssvc_sock *slp, struct proc *procp,
+ struct mbuf **mrq));
+int nfsrv_readlink __P((struct nfsrv_descript *nfsd,
+ struct nfssvc_sock *slp, struct proc *procp,
+ struct mbuf **mrq));
+int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_setattr __P((struct nfsrv_descript *nfsd,
+ struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_statfs __P((struct nfsrv_descript *nfsd,
+ struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_symlink __P((struct nfsrv_descript *nfsd,
+ struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
+ struct proc *procp, struct mbuf **mrq));
+void nfsrv_rcv __P((struct socket *so, void *arg, int waitflag));
+void nfsrv_slpderef __P((struct nfssvc_sock *slp));
+#endif /* KERNEL */
+
+#endif
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