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- /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
- /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
- /*
- * 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-Id: nfs.h,v 1.32 1997/10/12 20:25:38 phk Exp $
- */
-
- #ifndef _NFS_NFS_H_
- #define _NFS_NFS_H_
-
- /*
- * 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 5 /* Attribute cache timeout in sec */
- #endif
- #ifndef NFS_MAXATTRTIMO
- #define NFS_MAXATTRTIMO 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 */
-
- /*
- * 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".
- */
- #ifdef __FreeBSD__
- #define B_INVAFTERWRITE B_NOCACHE
- #else
- #define B_INVAFTERWRITE B_INVAL
- #endif
-
- /*
- * 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
-
- /*
- * Set the attribute timeout based on how recently the file has been modified.
- */
- #define NFS_ATTRTIMEO(np) \
- ((((np)->n_flag & NMODIFIED) || \
- (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \
- ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \
- (time.tv_sec - (np)->n_mtime) / 10))
-
- /*
- * 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!).
- * Note that some of these structures come out of there own nfs zones.
- */
- #define NFS_NODEALLOC 512
- #define NFS_MNTALLOC 512
- #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 */
- };
-
- /*
- * 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_INTERNAL 0xfffc0000 /* Bits set internally */
- #define NFSMNT_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */
- #define NFSMNT_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */
- #define NFSMNT_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */
- #define NFSMNT_MNTD 0x00200000 /* Mnt server for mnt point */
- #define NFSMNT_DISMINPROG 0x00400000 /* Dismount in progress */
- #define NFSMNT_DISMNT 0x00800000 /* Dismounted */
- #define NFSMNT_SNDLOCK 0x01000000 /* Send socket lock */
- #define NFSMNT_WANTSND 0x02000000 /* Want above */
- #define NFSMNT_RCVLOCK 0x04000000 /* Rcv socket lock */
- #define NFSMNT_WANTRCV 0x08000000 /* Want above */
- #define NFSMNT_WAITAUTH 0x10000000 /* Wait for authentication */
- #define NFSMNT_HASAUTH 0x20000000 /* Has authenticator */
- #define NFSMNT_WANTAUTH 0x40000000 /* Wants an authenticator */
- #define NFSMNT_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_long 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_long 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 pageins;
- int pageouts;
- };
- #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 }, \
- }
-
- #ifndef NFS_MUIDHASHSIZ
- #define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
- #endif
- #ifndef NFS_WDELAYHASHSIZ
- #define NFS_WDELAYHASHSIZ 16 /* and with this */
- #endif
-
- /*
- * 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.
- */
- #ifdef KERNEL
-
- #ifdef MALLOC_DECLARE
- MALLOC_DECLARE(M_NFSREQ);
- MALLOC_DECLARE(M_NFSMNT);
- MALLOC_DECLARE(M_NFSDIROFF);
- MALLOC_DECLARE(M_NFSRVDESC);
- MALLOC_DECLARE(M_NFSUID);
- MALLOC_DECLARE(M_NQLEASE);
- MALLOC_DECLARE(M_NFSD);
- MALLOC_DECLARE(M_NFSBIGFH);
- #endif
-
- struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
-
- #define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
- sigmask(SIGHUP)|sigmask(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_long 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])
- #define NWDELAYHASH(sock, f) \
- (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ])
- #define NMUIDHASH(nmp, uid) \
- (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
- #define NFSNOHASH(fhsum) \
- (&nfsnodehashtbl[(fhsum) & nfsnodehash])
-
- /*
- * Network address hash list element
- */
- union nethostaddr {
- u_long had_inetaddr;
- struct mbuf *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_long 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)
-
- #ifdef notyet
- /* XXX CSM 12/2/97 When/if we merge queue.h */
- struct nfsrv_rec {
- STAILQ_ENTRY(nfsrv_rec) nr_link;
- struct sockaddr *nr_address;
- struct mbuf *nr_packet;
- };
- #endif
-
- 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 mbuf *ns_nam;
- struct mbuf *ns_raw;
- struct mbuf *ns_rawend;
- struct mbuf *ns_rec;
- struct mbuf *ns_recend;
- struct mbuf *ns_frag;
- int ns_flag;
- int ns_solock;
- int ns_cc;
- int ns_reclen;
- int ns_numuids;
- u_long 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 mbuf *nd_nam; /* and socket addr */
- struct mbuf *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_long nd_retxid; /* Reply xid */
- u_long 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]))
-
- #define NFSDIAG 0
- #if NFSDIAG
-
- 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_DEBUG_SILLY 8 /* nfs_sillyrename (.nfsXXX aka turd files) */
- #define NFS_DEBUG_DUP 16 /* debug duplicate requests */
- #define NFS_DEBUG_ATTR 32
-
- #define NFS_DPF(cat, args) \
- do { \
- if (nfs_debug & NFS_DEBUG_##cat) kprintf args; \
- } while (0)
-
- #else
-
- #define NFS_DPF(cat, args)
-
- #endif /* NFSDIAG */
-
- int nfs_init __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 mbuf *, 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((int *, struct nfsreq *));
- void nfs_sndunlock __P((int *flagp));
- 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_readdirrpc __P((struct vnode *, struct uio *, struct ucred *));
- int nfs_asyncio __P((struct buf *, struct ucred *));
- 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 mbuf *));
- 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 mbuf *, 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 *));
- int nfs_getattrcache __P((struct vnode *, struct vattr *));
- int nfsm_strtmbuf __P((struct mbuf **, char **, char *, long));
- int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *,
- int));
- 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));
- 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 mbuf *, 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, caddr_t arg, int waitflag));
- void nfsrv_slpderef __P((struct nfssvc_sock *slp));
-
- #if NFSDIAG
-
- extern int nfstraceindx;
- #define NFSTBUFSIZ 8912
- struct nfstracerec { uint i1, i2, i3, i4; };
- extern struct nfstracerec nfstracebuf[NFSTBUFSIZ];
- extern uint nfstracemask; /* 32 bits - trace points over 31 are unconditional */
-
- /* 0x0000000f nfs_getattrcache trace points */
- #define NFSTRC_GAC_MISS 0x00 /* 0x00000001 cache miss */
- #define NFSTRC_GAC_HIT 0x01 /* 0x00000002 cache hit */
- #define NFSTRC_GAC_NP 0x02 /* 0x00000004 np size mismatch - vp... */
- /* 0x00000038 nfs_loadattrcache trace points */
- #define NFSTRC_LAC 0x03 /* 0x00000008 function entry point - vp */
- #define NFSTRC_LAC_INIT 0x04 /* 0x00000010 new vp & init n_mtime - vp */
- #define NFSTRC_LAC_NP 0x05 /* 0x00000020 np size mismatch - vp... */
- /* 0x000000c0 nfs_getattr trace points */
- #define NFSTRC_GA_INV 0x06 /* 0x00000040 times mismatch - vp */
- #define NFSTRC_GA_INV1 0x07 /* 0x00000080 invalidate ok - vp */
- /* 0x00000100 vmp_invalidate trace points */
- #define NFSTRC_VMP_INV 0x08 /* 0x00000100 function entry point - vmp */
- /* 0x00000200 nfs_request trace points */
- #define NFSTRC_REQ 0x09 /* 0x00000200 - alternates vp and procnum */
- /* 0x00000c00 vmp_push_range trace points */
- #define NFSTRC_VPR 0xa /* 0x00000400 entry point - vp... */
- #define NFSTRC_VPR_DONE 0xb /* 0x00000800 tail exit - error # */
- /* 0x00003000 nfs_doio trace points */
- #define NFSTRC_DIO 0xc /* 0x00001000 entry point - vp */
- #define NFSTRC_DIO_DONE 0xd /* 0x00002000 exit points - vp */
- /* 0x000fc000 congestion window trace points */
- #define NFSTRC_CWND_INIT 0xe
- #define NFSTRC_CWND_REPLY 0xf
- #define NFSTRC_CWND_TIMER 0x10
- #define NFSTRC_CWND_REQ1 0x11
- #define NFSTRC_CWND_REQ2 0x12
- #define NFSTRC_CWND_SOFT 0x13
- /* 0xfff00000 nfs_rcvlock & nfs_rcvunlock trace points */
- #define NFSTRC_ECONN 0x14
- #define NFSTRC_RCVERR 0x15
- #define NFSTRC_REQFREE 0x16
- #define NFSTRC_NOTMINE 0x17
- #define NFSTRC_6 0x18
- #define NFSTRC_7 0x19
- #define NFSTRC_RCVLCKINTR 0x1a
- #define NFSTRC_RCVALREADY 0x1b
- #define NFSTRC_RCVLCKW 0x1c /* 0x10000000 seeking recieve lock (waiting) */
- #define NFSTRC_RCVLCK 0x1d /* 0x20000000 getting recieve lock */
- #define NFSTRC_RCVUNLW 0x1e /* 0x40000000 releasing rcv lock w/ wakeup */
- #define NFSTRC_RCVUNL 0x1f /* 0x80000000 releasing rcv lock w/o wakeup */
- /* trace points beyond 31 are on if any of above points are on */
- #define NFSTRC_GA_INV2 0x20 /* nfs_getattr invalidate - error# */
- #define NFSTRC_VBAD 0x21
- #define NFSTRC_REQERR 0x22
- #define NFSTRC_RPCERR 0x23
- #define NFSTRC_DISSECTERR 0x24
- #define NFSTRC_CONTINUE 0xff /* continuation record for previous entry */
-
- #define NFSTRACEX(a1, a2, a3, a4) \
- ( \
- nfstracebuf[nfstraceindx].i1 = (uint)(a1), \
- nfstracebuf[nfstraceindx].i2 = (uint)(a2), \
- nfstracebuf[nfstraceindx].i3 = (uint)(a3), \
- nfstracebuf[nfstraceindx].i4 = (uint)(a4), \
- nfstraceindx = (nfstraceindx + 1) % NFSTBUFSIZ, \
- 1 \
- )
-
- #define NFSTRACE(cnst, fptr) \
- ( \
- (nfstracemask && ((cnst) > 31 || nfstracemask & 1<<(cnst))) ? \
- NFSTRACEX((cnst), (fptr), current_thread(), \
- clock_get_system_value().tv_nsec) : \
- 0 \
- )
-
- #define NFSTRACE4(cnst, fptr, a2, a3, a4) \
- ( \
- NFSTRACE(cnst,fptr) ? \
- NFSTRACEX(NFSTRC_CONTINUE, a2, a3, a4) : \
- 0 \
- )
-
- #else /* NFSDIAG */
-
- #define NFSTRACE(cnst, fptr)
- #define NFSTRACE4(cnst, fptr, a2, a3, a4)
-
- #endif /* NFSDIAG */
-
- #endif /* KERNEL */
-
- #endif
-