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nfsargs.h (6361) nfsargs.h (9336)
1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without

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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)nfs.h 8.1 (Berkeley) 6/10/93
1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without

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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)nfs.h 8.1 (Berkeley) 6/10/93
37 * $Id: nfs.h,v 1.8 1994/11/02 00:11:00 wollman Exp $
37 * $Id: nfs.h,v 1.9 1995/02/14 06:22:18 phk Exp $
38 */
39
40#ifndef _NFS_NFS_H_
41#define _NFS_NFS_H_
42
43/*
44 * Tunable constants for nfs
45 */
46
47#define NFS_MAXIOVEC 34
38 */
39
40#ifndef _NFS_NFS_H_
41#define _NFS_NFS_H_
42
43/*
44 * Tunable constants for nfs
45 */
46
47#define NFS_MAXIOVEC 34
48#define NFS_HZ 25 /* Ticks per second for NFS timeouts */
49#define NFS_TIMEO (1*NFS_HZ) /* Default timeout = 1 second */
50#define NFS_MINTIMEO (1*NFS_HZ) /* Min timeout to use */
51#define NFS_MAXTIMEO (60*NFS_HZ) /* Max timeout to backoff to */
52#define NFS_MINIDEMTIMEO (5*NFS_HZ) /* Min timeout for non-idempotent ops*/
48#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
49#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
50#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
51#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
52#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
53#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
53#define NFS_MAXREXMIT 100 /* Stop counting after this many */
54#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
55#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
56#define NFS_MAXGRPS 16 /* Max. size of groups list */
57#ifndef NFS_MINATTRTIMO
58#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
59#endif
60#ifndef NFS_MAXATTRTIMO
61#define NFS_MAXATTRTIMO 60
62#endif
63#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
64#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
54#define NFS_MAXREXMIT 100 /* Stop counting after this many */
55#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
56#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
57#define NFS_MAXGRPS 16 /* Max. size of groups list */
58#ifndef NFS_MINATTRTIMO
59#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
60#endif
61#ifndef NFS_MAXATTRTIMO
62#define NFS_MAXATTRTIMO 60
63#endif
64#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
65#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
66#define NFS_READDIRSIZE 8192 /* Def. readdir size */
65#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
66#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
67#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
68#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
67#define NFS_MAXREADDIR NFS_MAXDATA /* Max. size of directory read */
68#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
69#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
69#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runable */
70#define NFS_DIRBLKSIZ 1024 /* Size of an NFS directory block */
70#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runable */
71#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
72#ifndef NFS_GATHERDELAY
73#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */
74#endif
75#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
76
77/*
78 * Oddballs
79 */
71#define NMOD(a) ((a) % nfs_asyncdaemons)
80#define NMOD(a) ((a) % nfs_asyncdaemons)
81#define NFS_CMPFH(n, f, s) \
82 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
83#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
84#define NFS_SRVMAXDATA(n) \
85 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
86 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
72
73/*
87
88/*
89 * XXX
90 * sys/buf.h should be editted to change B_APPENDWRITE --> B_NEEDCOMMIT, but
91 * until then...
92 * Same goes for sys/malloc.h, which needs M_NFSDIROFF,
93 * M_NFSRVDESC and M_NFSBIGFH added.
94 * The VA_EXCLUSIVE flag should be added for va_vaflags and set for an
95 * exclusive create.
96 * The B_INVAFTERWRITE flag should be set to whatever is required by the
97 * buffer cache code to say "Invalidate the block after it is written back".
98 */
99#ifndef B_NEEDCOMMIT
100#define B_NEEDCOMMIT B_APPENDWRITE
101#endif
102#ifndef M_NFSRVDESC
103#define M_NFSRVDESC M_TEMP
104#endif
105#ifndef M_NFSDIROFF
106#define M_NFSDIROFF M_TEMP
107#endif
108#ifndef M_NFSBIGFH
109#define M_NFSBIGFH M_TEMP
110#endif
111#ifndef VA_EXCLUSIVE
112#define VA_EXCLUSIVE 0
113#endif
114#ifdef __FreeBSD__
115#define B_INVAFTERWRITE B_NOCACHE
116#else
117#define B_INVAFTERWRITE B_INVAL
118#endif
119
120/*
121 * These ifdefs try to handle the differences between the various 4.4BSD-Lite
122 * based vfs interfaces.
123 * btw: NetBSD-current does have a VOP_LEASDE(), but I don't know how to
124 * differentiate between NetBSD-1.0 and NetBSD-current, so..
125 * I also don't know about BSDi's 2.0 release.
126 */
127#if !defined(HAS_VOPLEASE) && !defined(__FreeBSD__) && !defined(__NetBSD__)
128#define HAS_VOPLEASE 1
129#endif
130#if !defined(HAS_VOPREVOKE) && !defined(__FreeBSD__) && !defined(__NetBSD__)
131#define HAS_VOPREVOKE 1
132#endif
133
134/*
135 * The IO_METASYNC flag should be implemented for local file systems.
136 * (Until then, it is nothin at all.)
137 */
138#ifndef IO_METASYNC
139#define IO_METASYNC 0
140#endif
141
142/*
74 * Set the attribute timeout based on how recently the file has been modified.
75 */
76#define NFS_ATTRTIMEO(np) \
77 ((((np)->n_flag & NMODIFIED) || \
78 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \
79 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \
80 (time.tv_sec - (np)->n_mtime) / 10))
81
82/*
143 * Set the attribute timeout based on how recently the file has been modified.
144 */
145#define NFS_ATTRTIMEO(np) \
146 ((((np)->n_flag & NMODIFIED) || \
147 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \
148 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \
149 (time.tv_sec - (np)->n_mtime) / 10))
150
151/*
152 * Expected allocation sizes for major data structures. If the actual size
153 * of the structure exceeds these sizes, then malloc() will be allocating
154 * almost twice the memory required. This is used in nfs_init() to warn
155 * the sysadmin that the size of a structure should be reduced.
156 * (These sizes are always a power of 2. If the kernel malloc() changes
157 * to one that does not allocate space in powers of 2 size, then this all
158 * becomes bunk!)
159 */
160#define NFS_NODEALLOC 256
161#define NFS_MNTALLOC 512
162#define NFS_SVCALLOC 256
163#define NFS_UIDALLOC 128
164
165/*
83 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
84 * should ever try and use it.
85 */
86struct nfsd_args {
87 int sock; /* Socket to serve */
88 caddr_t name; /* Client address for connection based sockets */
89 int namelen; /* Length of name */
90};
91
92struct nfsd_srvargs {
93 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */
94 uid_t nsd_uid; /* Effective uid mapped to cred */
95 u_long nsd_haddr; /* Ip address of client */
96 struct ucred nsd_cr; /* Cred. uid maps to */
97 int nsd_authlen; /* Length of auth string (ret) */
166 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
167 * should ever try and use it.
168 */
169struct nfsd_args {
170 int sock; /* Socket to serve */
171 caddr_t name; /* Client address for connection based sockets */
172 int namelen; /* Length of name */
173};
174
175struct nfsd_srvargs {
176 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */
177 uid_t nsd_uid; /* Effective uid mapped to cred */
178 u_long nsd_haddr; /* Ip address of client */
179 struct ucred nsd_cr; /* Cred. uid maps to */
180 int nsd_authlen; /* Length of auth string (ret) */
98 char *nsd_authstr; /* Auth string (ret) */
181 u_char *nsd_authstr; /* Auth string (ret) */
182 int nsd_verflen; /* and the verfier */
183 u_char *nsd_verfstr;
184 struct timeval nsd_timestamp; /* timestamp from verifier */
185 u_long nsd_ttl; /* credential ttl (sec) */
186 NFSKERBKEY_T nsd_key; /* Session key */
99};
100
101struct nfsd_cargs {
102 char *ncd_dirp; /* Mount dir path */
103 uid_t ncd_authuid; /* Effective uid */
104 int ncd_authtype; /* Type of authenticator */
105 int ncd_authlen; /* Length of authenticator string */
187};
188
189struct nfsd_cargs {
190 char *ncd_dirp; /* Mount dir path */
191 uid_t ncd_authuid; /* Effective uid */
192 int ncd_authtype; /* Type of authenticator */
193 int ncd_authlen; /* Length of authenticator string */
106 char *ncd_authstr; /* Authenticator string */
194 u_char *ncd_authstr; /* Authenticator string */
195 int ncd_verflen; /* and the verifier */
196 u_char *ncd_verfstr;
197 NFSKERBKEY_T ncd_key; /* Session key */
107};
108
109/*
110 * Stats structure
111 */
112struct nfsstats {
113 int attrcache_hits;
114 int attrcache_misses;

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137 int rpcinvalid;
138 int srvcache_inproghits;
139 int srvcache_idemdonehits;
140 int srvcache_nonidemdonehits;
141 int srvcache_misses;
142 int srvnqnfs_leases;
143 int srvnqnfs_maxleases;
144 int srvnqnfs_getleases;
198};
199
200/*
201 * Stats structure
202 */
203struct nfsstats {
204 int attrcache_hits;
205 int attrcache_misses;

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228 int rpcinvalid;
229 int srvcache_inproghits;
230 int srvcache_idemdonehits;
231 int srvcache_nonidemdonehits;
232 int srvcache_misses;
233 int srvnqnfs_leases;
234 int srvnqnfs_maxleases;
235 int srvnqnfs_getleases;
236 int srvvop_writes;
145};
146
147/*
148 * Flags for nfssvc() system call.
149 */
150#define NFSSVC_BIOD 0x002
151#define NFSSVC_NFSD 0x004
152#define NFSSVC_ADDSOCK 0x008

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168/*
169 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
170 * What should be in this set is open to debate, but I believe that since
171 * I/O system calls on ufs are never interrupted by signals the set should
172 * be minimal. My reasoning is that many current programs that use signals
173 * such as SIGALRM will not expect file I/O system calls to be interrupted
174 * by them and break.
175 */
237};
238
239/*
240 * Flags for nfssvc() system call.
241 */
242#define NFSSVC_BIOD 0x002
243#define NFSSVC_NFSD 0x004
244#define NFSSVC_ADDSOCK 0x008

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260/*
261 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
262 * What should be in this set is open to debate, but I believe that since
263 * I/O system calls on ufs are never interrupted by signals the set should
264 * be minimal. My reasoning is that many current programs that use signals
265 * such as SIGALRM will not expect file I/O system calls to be interrupted
266 * by them and break.
267 */
176#ifdef KERNEL
268#if defined(KERNEL) || defined(_KERNEL)
177
178struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
179
180#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
181 sigmask(SIGHUP)|sigmask(SIGQUIT))
182
183/*
184 * Socket errors ignored for connectionless sockets??

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219#define R_SENT 0x02 /* request has been sent */
220#define R_SOFTTERM 0x04 /* soft mnt, too many retries */
221#define R_INTR 0x08 /* intr mnt, signal pending */
222#define R_SOCKERR 0x10 /* Fatal error on socket */
223#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */
224#define R_MUSTRESEND 0x40 /* Must resend request */
225#define R_GETONEREP 0x80 /* Probe for one reply only */
226
269
270struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
271
272#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
273 sigmask(SIGHUP)|sigmask(SIGQUIT))
274
275/*
276 * Socket errors ignored for connectionless sockets??

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311#define R_SENT 0x02 /* request has been sent */
312#define R_SOFTTERM 0x04 /* soft mnt, too many retries */
313#define R_INTR 0x08 /* intr mnt, signal pending */
314#define R_SOCKERR 0x10 /* Fatal error on socket */
315#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */
316#define R_MUSTRESEND 0x40 /* Must resend request */
317#define R_GETONEREP 0x80 /* Probe for one reply only */
318
227extern struct nfsstats nfsstats;
228
229/*
230 * A list of nfssvc_sock structures is maintained with all the sockets
231 * that require service by the nfsd.
232 * The nfsuid structs hang off of the nfssvc_sock structs in both lru
233 * and uid hash lists.
234 */
319/*
320 * A list of nfssvc_sock structures is maintained with all the sockets
321 * that require service by the nfsd.
322 * The nfsuid structs hang off of the nfssvc_sock structs in both lru
323 * and uid hash lists.
324 */
235#define NUIDHASHSIZ 32
325#ifndef NFS_UIDHASHSIZ
326#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
327#endif
236#define NUIDHASH(sock, uid) \
328#define NUIDHASH(sock, uid) \
237 (&(sock)->ns_uidhashtbl[(uid) & (sock)->ns_uidhash])
329 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
330#ifndef NFS_WDELAYHASHSIZ
331#define NFS_WDELAYHASHSIZ 16 /* and with this */
332#endif
333#define NWDELAYHASH(sock, f) \
334 (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ])
335#ifndef NFS_MUIDHASHSIZ
336#define NFS_MUIDHASHSIZ 67 /* Tune the size of nfsmount with this */
337#endif
338#define NMUIDHASH(nmp, uid) \
339 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
340#define NFSNOHASH(fhsum) \
341 (&nfsnodehashtbl[(fhsum) & nfsnodehash])
238
239/*
240 * Network address hash list element
241 */
242union nethostaddr {
243 u_long had_inetaddr;
244 struct mbuf *had_nam;
245};
246
247struct nfsuid {
248 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
249 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
250 int nu_flag; /* Flags */
342
343/*
344 * Network address hash list element
345 */
346union nethostaddr {
347 u_long had_inetaddr;
348 struct mbuf *had_nam;
349};
350
351struct nfsuid {
352 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
353 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
354 int nu_flag; /* Flags */
251 uid_t nu_uid; /* Uid mapped by this entry */
252 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
253 struct ucred nu_cr; /* Cred uid mapped to */
355 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
356 struct ucred nu_cr; /* Cred uid mapped to */
357 int nu_expire; /* Expiry time (sec) */
358 struct timeval nu_timestamp; /* Kerb. timestamp */
359 u_long nu_nickname; /* Nickname on server */
360 NFSKERBKEY_T nu_key; /* and session key */
254};
255
256#define nu_inetaddr nu_haddr.had_inetaddr
257#define nu_nam nu_haddr.had_nam
258/* Bits for nu_flag */
259#define NU_INETADDR 0x1
361};
362
363#define nu_inetaddr nu_haddr.had_inetaddr
364#define nu_nam nu_haddr.had_nam
365/* Bits for nu_flag */
366#define NU_INETADDR 0x1
367#define NU_NAM 0x2
368#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
260
261struct nfssvc_sock {
262 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
263 TAILQ_HEAD(, nfsuid) ns_uidlruhead;
369
370struct nfssvc_sock {
371 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
372 TAILQ_HEAD(, nfsuid) ns_uidlruhead;
264 LIST_HEAD(, nfsuid) *ns_uidhashtbl;
265 u_long ns_uidhash;
266
267 int ns_flag;
268 u_long ns_sref;
269 struct file *ns_fp;
270 struct socket *ns_so;
373 struct file *ns_fp;
374 struct socket *ns_so;
271 int ns_solock;
272 struct mbuf *ns_nam;
375 struct mbuf *ns_nam;
273 int ns_cc;
274 struct mbuf *ns_raw;
275 struct mbuf *ns_rawend;
376 struct mbuf *ns_raw;
377 struct mbuf *ns_rawend;
276 int ns_reclen;
277 struct mbuf *ns_rec;
278 struct mbuf *ns_recend;
378 struct mbuf *ns_rec;
379 struct mbuf *ns_recend;
380 struct mbuf *ns_frag;
381 int ns_flag;
382 int ns_solock;
383 int ns_cc;
384 int ns_reclen;
279 int ns_numuids;
385 int ns_numuids;
386 u_long ns_sref;
387 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */
388 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
389 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
280};
281
282/* Bits for "ns_flag" */
283#define SLP_VALID 0x01
284#define SLP_DOREC 0x02
285#define SLP_NEEDQ 0x04
286#define SLP_DISCONN 0x08
287#define SLP_GETSTREAM 0x10
390};
391
392/* Bits for "ns_flag" */
393#define SLP_VALID 0x01
394#define SLP_DOREC 0x02
395#define SLP_NEEDQ 0x04
396#define SLP_DISCONN 0x08
397#define SLP_GETSTREAM 0x10
398#define SLP_LASTFRAG 0x20
288#define SLP_ALLFLAGS 0xff
289
290TAILQ_HEAD(, nfssvc_sock) nfssvc_sockhead;
291int nfssvc_sockhead_flag;
292#define SLP_INIT 0x01
293#define SLP_WANTINIT 0x02
294
295/*
296 * One of these structures is allocated for each nfsd.
297 */
298struct nfsd {
399#define SLP_ALLFLAGS 0xff
400
401TAILQ_HEAD(, nfssvc_sock) nfssvc_sockhead;
402int nfssvc_sockhead_flag;
403#define SLP_INIT 0x01
404#define SLP_WANTINIT 0x02
405
406/*
407 * One of these structures is allocated for each nfsd.
408 */
409struct nfsd {
299 TAILQ_ENTRY(nfsd) nd_chain; /* List of all nfsd's */
300 int nd_flag; /* NFSD_ flags */
301 struct nfssvc_sock *nd_slp; /* Current socket */
302 struct mbuf *nd_nam; /* Client addr for datagram req. */
303 struct mbuf *nd_mrep; /* Req. mbuf list */
304 struct mbuf *nd_md;
305 caddr_t nd_dpos; /* Position in list */
306 int nd_procnum; /* RPC procedure number */
307 u_long nd_retxid; /* RPC xid */
308 int nd_repstat; /* Reply status value */
309 struct ucred nd_cr; /* Credentials for req. */
310 int nd_nqlflag; /* Leasing flag */
311 u_long nd_duration; /* Lease duration */
312 int nd_authlen; /* Authenticator len */
313 u_char nd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
314 struct proc *nd_procp; /* Proc ptr */
410 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
411 int nfsd_flag; /* NFSD_ flags */
412 struct nfssvc_sock *nfsd_slp; /* Current socket */
413 int nfsd_authlen; /* Authenticator len */
414 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
415 int nfsd_verflen; /* and the Verifier */
416 u_char nfsd_verfstr[RPCVERF_MAXSIZ];
417 struct proc *nfsd_procp; /* Proc ptr */
418 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
315};
316
419};
420
317/* Bits for "nd_flag" */
421/* Bits for "nfsd_flag" */
318#define NFSD_WAITING 0x01
319#define NFSD_REQINPROG 0x02
320#define NFSD_NEEDAUTH 0x04
321#define NFSD_AUTHFAIL 0x08
322
422#define NFSD_WAITING 0x01
423#define NFSD_REQINPROG 0x02
424#define NFSD_NEEDAUTH 0x04
425#define NFSD_AUTHFAIL 0x08
426
427/*
428 * This structure is used by the server for describing each request.
429 * Some fields are used only when write request gathering is performed.
430 */
431struct nfsrv_descript {
432 u_quad_t nd_time; /* Write deadline (usec) */
433 off_t nd_off; /* Start byte offset */
434 off_t nd_eoff; /* and end byte offset */
435 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
436 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
437 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
438 struct mbuf *nd_mrep; /* Request mbuf list */
439 struct mbuf *nd_md; /* Current dissect mbuf */
440 struct mbuf *nd_mreq; /* Reply mbuf list */
441 struct mbuf *nd_nam; /* and socket addr */
442 struct mbuf *nd_nam2; /* return socket addr */
443 caddr_t nd_dpos; /* Current dissect pos */
444 int nd_procnum; /* RPC # */
445 int nd_stable; /* storage type */
446 int nd_flag; /* nd_flag */
447 int nd_len; /* Length of this write */
448 int nd_repstat; /* Reply status */
449 u_long nd_retxid; /* Reply xid */
450 u_long nd_duration; /* Lease duration */
451 struct timeval nd_starttime; /* Time RPC initiated */
452 fhandle_t nd_fh; /* File handle */
453 struct ucred nd_cr; /* Credentials */
454};
455
456/* Bits for "nd_flag" */
457#define ND_READ LEASE_READ
458#define ND_WRITE LEASE_WRITE
459#define ND_CHECK 0x04
460#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK)
461#define ND_NFSV3 0x08
462#define ND_NQNFS 0x10
463#define ND_KERBNICK 0x20
464#define ND_KERBFULL 0x40
465#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
466
323TAILQ_HEAD(, nfsd) nfsd_head;
324int nfsd_head_flag;
325#define NFSD_CHECKSLP 0x01
326
467TAILQ_HEAD(, nfsd) nfsd_head;
468int nfsd_head_flag;
469#define NFSD_CHECKSLP 0x01
470
471/*
472 * These macros compare nfsrv_descript structures.
473 */
474#define NFSW_CONTIG(o, n) \
475 ((o)->nd_eoff >= (n)->nd_off && \
476 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
477
478#define NFSW_SAMECRED(o, n) \
479 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
480 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
481 sizeof (struct ucred)))
482
327int nfs_reply __P((struct nfsreq *));
483int nfs_reply __P((struct nfsreq *));
328int nfs_getreq __P((struct nfsd *,int));
484int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int));
329int nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *));
485int nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *));
330int nfs_rephead __P((int,struct nfsd *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *));
486int nfs_rephead __P((int,struct nfsrv_descript *,struct nfssvc_sock *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *));
331int nfs_sndlock __P((int *,struct nfsreq *));
332int nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
333int nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int));
334int nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *));
487int nfs_sndlock __P((int *,struct nfsreq *));
488int nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
489int nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int));
490int nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *));
335int nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int));
491int nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int *,int *));
336int nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *));
492int nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *));
493int nfs_setattrrpc __P((struct vnode *,struct vattr *,struct ucred *,struct proc *));
337int nfs_asyncio __P((struct buf *,struct ucred *));
338int nfs_doio __P((struct buf *,struct ucred *,struct proc *));
339int nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *));
340int nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *));
494int nfs_asyncio __P((struct buf *,struct ucred *));
495int nfs_doio __P((struct buf *,struct ucred *,struct proc *));
496int nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *));
497int nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *));
341int nfs_readdirlookrpc __P((struct vnode *,register struct uio *,struct ucred *));
498int nfs_readdirplusrpc __P((struct vnode *,register struct uio *,struct ucred *));
342int nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
499int nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
343int nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **,struct ucred *,struct nfssvc_sock *,struct mbuf *,int *));
500void nfsm_srvfattr __P((struct nfsrv_descript *,struct vattr *,struct nfs_fattr *));
501void nfsm_srvwcc __P((struct nfsrv_descript *,int,struct vattr *,int,struct vattr *,struct mbuf **,char **));
502void nfsm_srvpostopattr __P((struct nfsrv_descript *,int,struct vattr *,struct mbuf **,char **));
503int nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **,struct ucred *,struct nfssvc_sock *,struct mbuf *,int *,int));
344int nfsrv_access __P((struct vnode *,int,struct ucred *,int,struct proc *));
345int netaddr_match __P((int,union nethostaddr *,struct mbuf *));
346int nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *));
347int nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *));
504int nfsrv_access __P((struct vnode *,int,struct ucred *,int,struct proc *));
505int netaddr_match __P((int,union nethostaddr *,struct mbuf *));
506int nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *));
507int nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *));
348int nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct proc *));
508int nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct vnode **,struct proc *,int));
349void nfsm_adj __P((struct mbuf *,int,int));
350int nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *));
351void nfsrv_initcache __P((void));
352int nfs_rcvlock __P((struct nfsreq *));
509void nfsm_adj __P((struct mbuf *,int,int));
510int nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *));
511void nfsrv_initcache __P((void));
512int nfs_rcvlock __P((struct nfsreq *));
353int nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,int *,char **,int *));
513int nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,char **,int *,char *,int *,NFSKERBKEY_T));
514int nfs_getnickauth __P((struct nfsmount *,struct ucred *,char **,int *,char *,int));
515int nfs_savenickauth __P((struct nfsmount *,struct ucred *,int,NFSKERBKEY_T,struct mbuf **,char **,struct mbuf *));
354int nfs_msg __P((struct proc *,char *,char *));
355int nfs_adv __P((struct mbuf **,caddr_t *,int,int));
356int nfsrv_getstream __P((struct nfssvc_sock *,int));
357void nfs_nhinit __P((void));
358void nfs_timer __P((void*));
516int nfs_msg __P((struct proc *,char *,char *));
517int nfs_adv __P((struct mbuf **,caddr_t *,int,int));
518int nfsrv_getstream __P((struct nfssvc_sock *,int));
519void nfs_nhinit __P((void));
520void nfs_timer __P((void*));
359struct nfsnodehashhead * nfs_hash __P((nfsv2fh_t *));
521u_long nfs_hash __P((nfsfh_t *,int));
360int nfssvc_iod __P((struct proc *));
361int nfssvc_nfsd __P((struct nfsd_srvargs *,caddr_t,struct proc *));
362int nfssvc_addsock __P((struct file *,struct mbuf *));
522int nfssvc_iod __P((struct proc *));
523int nfssvc_nfsd __P((struct nfsd_srvargs *,caddr_t,struct proc *));
524int nfssvc_addsock __P((struct file *,struct mbuf *));
363int nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *));
364int nfsrv_getcache __P((struct mbuf *,struct nfsd *,struct mbuf **));
365void nfsrv_updatecache __P((struct mbuf *,struct nfsd *,int,struct mbuf *));
525int nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *,struct nfsrv_descript **));
526int nfsrv_getcache __P((struct nfsrv_descript *,struct nfssvc_sock *,struct mbuf **));
527void nfsrv_updatecache __P((struct nfsrv_descript *,int,struct mbuf *));
366int mountnfs __P((struct nfs_args *,struct mount *,struct mbuf *,char *,char *,struct vnode **));
367int nfs_connect __P((struct nfsmount *,struct nfsreq *));
368int nfs_getattrcache __P((struct vnode *,struct vattr *));
369int nfsm_strtmbuf __P((struct mbuf **,char **,char *,long));
370int nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *));
371int nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *));
372void nfsrv_init __P((int));
528int mountnfs __P((struct nfs_args *,struct mount *,struct mbuf *,char *,char *,struct vnode **));
529int nfs_connect __P((struct nfsmount *,struct nfsreq *));
530int nfs_getattrcache __P((struct vnode *,struct vattr *));
531int nfsm_strtmbuf __P((struct mbuf **,char **,char *,long));
532int nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *));
533int nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *));
534void nfsrv_init __P((int));
535void nfs_clearcommit __P((struct mount *));
536int nfsrv_errmap __P((struct nfsrv_descript *, int));
537void nfsrvw_coalesce __P((struct nfsrv_descript *,struct nfsrv_descript *));
538void nfsrvw_sort __P((gid_t [],int));
539void nfsrv_setcred __P((struct ucred *,struct ucred *));
540int nfs_flush __P((struct vnode *,struct ucred *,int,struct proc *,int));
541int nfs_writebp __P((struct buf *,int));
373int nfsrv_vput __P(( struct vnode * ));
374int nfsrv_vrele __P(( struct vnode * ));
375int nfsrv_vmio __P(( struct vnode * ));
542int nfsrv_vput __P(( struct vnode * ));
543int nfsrv_vrele __P(( struct vnode * ));
544int nfsrv_vmio __P(( struct vnode * ));
545int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
546 struct proc *, struct mbuf **));
547int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *,
548 struct proc *p));
376
377#endif /* KERNEL */
378
379#endif
549
550#endif /* KERNEL */
551
552#endif