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NFS: introduce generic decode_getattr function
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CommitLineData
1da177e4
LT
1#ifndef _LINUX_NFS_XDR_H
2#define _LINUX_NFS_XDR_H
3
b7fa0554 4#include <linux/nfsacl.h>
d7031582 5#include <linux/nfs3.h>
1da177e4 6
40859d7e
CL
7/*
8 * To change the maximum rsize and wsize supported by the NFS client, adjust
9 * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can
10 * support a megabyte or more. The default is left at 4096 bytes, which is
11 * reasonable for NFS over UDP.
12 */
13#define NFS_MAX_FILE_IO_SIZE (1048576U)
14#define NFS_DEF_FILE_IO_SIZE (4096U)
15#define NFS_MIN_FILE_IO_SIZE (1024U)
16
8b4bdcf8
TM
17struct nfs_fsid {
18 uint64_t major;
19 uint64_t minor;
1da177e4
LT
20};
21
8b4bdcf8
TM
22/*
23 * Helper for checking equality between 2 fsids.
24 */
25static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
26{
27 return a->major == b->major && a->minor == b->minor;
28}
29
1da177e4 30struct nfs_fattr {
9e6e70f8 31 unsigned int valid; /* which fields are valid */
bca79478 32 umode_t mode;
1da177e4
LT
33 __u32 nlink;
34 __u32 uid;
35 __u32 gid;
9fa8d66f 36 dev_t rdev;
1da177e4
LT
37 __u64 size;
38 union {
39 struct {
40 __u32 blocksize;
41 __u32 blocks;
42 } nfs2;
43 struct {
44 __u64 used;
45 } nfs3;
46 } du;
8b4bdcf8 47 struct nfs_fsid fsid;
1da177e4
LT
48 __u64 fileid;
49 struct timespec atime;
50 struct timespec mtime;
51 struct timespec ctime;
1da177e4
LT
52 __u64 change_attr; /* NFSv4 change attribute */
53 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
1ca277d8
TM
54 __u64 pre_size; /* pre_op_attr.size */
55 struct timespec pre_mtime; /* pre_op_attr.mtime */
56 struct timespec pre_ctime; /* pre_op_attr.ctime */
33801147 57 unsigned long time_start;
4704f0e2 58 unsigned long gencount;
1da177e4
LT
59};
60
9e6e70f8
TM
61#define NFS_ATTR_FATTR_TYPE (1U << 0)
62#define NFS_ATTR_FATTR_MODE (1U << 1)
63#define NFS_ATTR_FATTR_NLINK (1U << 2)
64#define NFS_ATTR_FATTR_OWNER (1U << 3)
65#define NFS_ATTR_FATTR_GROUP (1U << 4)
66#define NFS_ATTR_FATTR_RDEV (1U << 5)
67#define NFS_ATTR_FATTR_SIZE (1U << 6)
68#define NFS_ATTR_FATTR_PRESIZE (1U << 7)
69#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
70#define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
71#define NFS_ATTR_FATTR_FSID (1U << 10)
72#define NFS_ATTR_FATTR_FILEID (1U << 11)
73#define NFS_ATTR_FATTR_ATIME (1U << 12)
74#define NFS_ATTR_FATTR_MTIME (1U << 13)
75#define NFS_ATTR_FATTR_CTIME (1U << 14)
76#define NFS_ATTR_FATTR_PREMTIME (1U << 15)
77#define NFS_ATTR_FATTR_PRECTIME (1U << 16)
78#define NFS_ATTR_FATTR_CHANGE (1U << 17)
79#define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
80#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */
81
82#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
83 | NFS_ATTR_FATTR_MODE \
84 | NFS_ATTR_FATTR_NLINK \
85 | NFS_ATTR_FATTR_OWNER \
86 | NFS_ATTR_FATTR_GROUP \
87 | NFS_ATTR_FATTR_RDEV \
88 | NFS_ATTR_FATTR_SIZE \
89 | NFS_ATTR_FATTR_FSID \
90 | NFS_ATTR_FATTR_FILEID \
91 | NFS_ATTR_FATTR_ATIME \
92 | NFS_ATTR_FATTR_MTIME \
93 | NFS_ATTR_FATTR_CTIME)
94#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
95 | NFS_ATTR_FATTR_BLOCKS_USED)
96#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
97 | NFS_ATTR_FATTR_SPACE_USED)
98#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
99 | NFS_ATTR_FATTR_SPACE_USED \
100 | NFS_ATTR_FATTR_CHANGE)
1da177e4
LT
101
102/*
103 * Info on the file system
104 */
105struct nfs_fsinfo {
106 struct nfs_fattr *fattr; /* Post-op attributes */
107 __u32 rtmax; /* max. read transfer size */
108 __u32 rtpref; /* pref. read transfer size */
109 __u32 rtmult; /* reads should be multiple of this */
110 __u32 wtmax; /* max. write transfer size */
111 __u32 wtpref; /* pref. write transfer size */
112 __u32 wtmult; /* writes should be multiple of this */
113 __u32 dtpref; /* pref. readdir transfer size */
114 __u64 maxfilesize;
115 __u32 lease_time; /* in seconds */
116};
117
118struct nfs_fsstat {
119 struct nfs_fattr *fattr; /* Post-op attributes */
120 __u64 tbytes; /* total size in bytes */
121 __u64 fbytes; /* # of free bytes */
122 __u64 abytes; /* # of bytes available to user */
123 __u64 tfiles; /* # of files */
124 __u64 ffiles; /* # of free files */
125 __u64 afiles; /* # of files available to user */
126};
127
128struct nfs2_fsstat {
129 __u32 tsize; /* Server transfer size */
130 __u32 bsize; /* Filesystem block size */
131 __u32 blocks; /* No. of "bsize" blocks on filesystem */
132 __u32 bfree; /* No. of free "bsize" blocks */
133 __u32 bavail; /* No. of available "bsize" blocks */
134};
135
136struct nfs_pathconf {
137 struct nfs_fattr *fattr; /* Post-op attributes */
138 __u32 max_link; /* max # of hard links */
139 __u32 max_namelen; /* max name length */
140};
141
142struct nfs4_change_info {
143 u32 atomic;
144 u64 before;
145 u64 after;
146};
147
cee54fc9 148struct nfs_seqid;
9ff71c3a 149
557134a3
AA
150/* nfs41 sessions channel attributes */
151struct nfs4_channel_attrs {
152 u32 headerpadsz;
153 u32 max_rqst_sz;
154 u32 max_resp_sz;
155 u32 max_resp_sz_cached;
156 u32 max_ops;
157 u32 max_reqs;
158};
159
160/* nfs41 sessions slot seqid */
161struct nfs4_slot {
162 u32 seq_nr;
163};
164
9ff71c3a 165struct nfs4_sequence_args {
f3752975 166 struct nfs4_session *sa_session;
fbcd4abc
AA
167 u8 sa_slotid;
168 u8 sa_cache_this;
9ff71c3a
BH
169};
170
171struct nfs4_sequence_res {
f3752975 172 struct nfs4_session *sr_session;
dfb4f309 173 struct nfs4_slot *sr_slot; /* slot used to send request */
fbcd4abc 174 int sr_status; /* sequence operation status */
a01878aa 175 unsigned long sr_renewal_time;
0629e370 176 u32 sr_status_flags;
9ff71c3a
BH
177};
178
2050f0cc
AA
179struct nfs4_get_lease_time_args {
180 struct nfs4_sequence_args la_seq_args;
181};
182
183struct nfs4_get_lease_time_res {
184 struct nfs_fsinfo *lr_fsinfo;
185 struct nfs4_sequence_res lr_seq_res;
186};
187
1da177e4
LT
188/*
189 * Arguments to the open call.
190 */
191struct nfs_openargs {
192 const struct nfs_fh * fh;
cee54fc9 193 struct nfs_seqid * seqid;
1da177e4 194 int open_flags;
dc0b027d 195 fmode_t fmode;
1da177e4 196 __u64 clientid;
9f958ab8 197 __u64 id;
1da177e4 198 union {
d77d76ff
TM
199 struct {
200 struct iattr * attrs; /* UNCHECKED, GUARDED */
201 nfs4_verifier verifier; /* EXCLUSIVE */
202 };
1da177e4 203 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
bd7bf9d5 204 fmode_t delegation_type; /* CLAIM_PREVIOUS */
1da177e4
LT
205 } u;
206 const struct qstr * name;
207 const struct nfs_server *server; /* Needed for ID mapping */
208 const u32 * bitmask;
209 __u32 claim;
9ff71c3a 210 struct nfs4_sequence_args seq_args;
1da177e4
LT
211};
212
213struct nfs_openres {
214 nfs4_stateid stateid;
215 struct nfs_fh fh;
216 struct nfs4_change_info cinfo;
217 __u32 rflags;
218 struct nfs_fattr * f_attr;
56ae19f3 219 struct nfs_fattr * dir_attr;
c1d51931 220 struct nfs_seqid * seqid;
1da177e4 221 const struct nfs_server *server;
bd7bf9d5 222 fmode_t delegation_type;
1da177e4
LT
223 nfs4_stateid delegation;
224 __u32 do_recall;
225 __u64 maxsize;
aa53ed54 226 __u32 attrset[NFS4_BITMAP_SIZE];
9ff71c3a 227 struct nfs4_sequence_res seq_res;
1da177e4
LT
228};
229
230/*
231 * Arguments to the open_confirm call.
232 */
233struct nfs_open_confirmargs {
234 const struct nfs_fh * fh;
cdd4e68b 235 nfs4_stateid * stateid;
cee54fc9 236 struct nfs_seqid * seqid;
1da177e4
LT
237};
238
239struct nfs_open_confirmres {
240 nfs4_stateid stateid;
c1d51931 241 struct nfs_seqid * seqid;
1da177e4
LT
242};
243
244/*
245 * Arguments to the close call.
246 */
247struct nfs_closeargs {
248 struct nfs_fh * fh;
9512135d 249 nfs4_stateid * stateid;
cee54fc9 250 struct nfs_seqid * seqid;
dc0b027d 251 fmode_t fmode;
516a6af6 252 const u32 * bitmask;
9ff71c3a 253 struct nfs4_sequence_args seq_args;
1da177e4
LT
254};
255
256struct nfs_closeres {
257 nfs4_stateid stateid;
516a6af6 258 struct nfs_fattr * fattr;
c1d51931 259 struct nfs_seqid * seqid;
516a6af6 260 const struct nfs_server *server;
9ff71c3a 261 struct nfs4_sequence_res seq_res;
1da177e4
LT
262};
263/*
264 * * Arguments to the lock,lockt, and locku call.
265 * */
266struct nfs_lowner {
911d1aaf 267 __u64 clientid;
9f958ab8 268 __u64 id;
1da177e4
LT
269};
270
911d1aaf
TM
271struct nfs_lock_args {
272 struct nfs_fh * fh;
273 struct file_lock * fl;
cee54fc9 274 struct nfs_seqid * lock_seqid;
06735b34
TM
275 nfs4_stateid * lock_stateid;
276 struct nfs_seqid * open_seqid;
277 nfs4_stateid * open_stateid;
911d1aaf
TM
278 struct nfs_lowner lock_owner;
279 unsigned char block : 1;
280 unsigned char reclaim : 1;
281 unsigned char new_lock_owner : 1;
9ff71c3a 282 struct nfs4_sequence_args seq_args;
911d1aaf
TM
283};
284
285struct nfs_lock_res {
c1d51931
TM
286 nfs4_stateid stateid;
287 struct nfs_seqid * lock_seqid;
288 struct nfs_seqid * open_seqid;
9ff71c3a 289 struct nfs4_sequence_res seq_res;
1da177e4
LT
290};
291
911d1aaf
TM
292struct nfs_locku_args {
293 struct nfs_fh * fh;
294 struct file_lock * fl;
cee54fc9 295 struct nfs_seqid * seqid;
faf5f49c 296 nfs4_stateid * stateid;
9ff71c3a 297 struct nfs4_sequence_args seq_args;
1da177e4
LT
298};
299
911d1aaf 300struct nfs_locku_res {
c1d51931
TM
301 nfs4_stateid stateid;
302 struct nfs_seqid * seqid;
9ff71c3a 303 struct nfs4_sequence_res seq_res;
1da177e4
LT
304};
305
911d1aaf
TM
306struct nfs_lockt_args {
307 struct nfs_fh * fh;
308 struct file_lock * fl;
309 struct nfs_lowner lock_owner;
9ff71c3a 310 struct nfs4_sequence_args seq_args;
1da177e4
LT
311};
312
911d1aaf
TM
313struct nfs_lockt_res {
314 struct file_lock * denied; /* LOCK, LOCKT failed */
9ff71c3a 315 struct nfs4_sequence_res seq_res;
1da177e4
LT
316};
317
d3c7b7cc
TM
318struct nfs_release_lockowner_args {
319 struct nfs_lowner lock_owner;
320};
321
1da177e4
LT
322struct nfs4_delegreturnargs {
323 const struct nfs_fh *fhandle;
324 const nfs4_stateid *stateid;
fa178f29 325 const u32 * bitmask;
9ff71c3a 326 struct nfs4_sequence_args seq_args;
fa178f29
TM
327};
328
329struct nfs4_delegreturnres {
330 struct nfs_fattr * fattr;
331 const struct nfs_server *server;
9ff71c3a 332 struct nfs4_sequence_res seq_res;
1da177e4
LT
333};
334
335/*
336 * Arguments to the read call.
337 */
1da177e4
LT
338struct nfs_readargs {
339 struct nfs_fh * fh;
340 struct nfs_open_context *context;
f11ac8db 341 struct nfs_lock_context *lock_context;
1da177e4
LT
342 __u64 offset;
343 __u32 count;
344 unsigned int pgbase;
345 struct page ** pages;
9ff71c3a 346 struct nfs4_sequence_args seq_args;
1da177e4
LT
347};
348
349struct nfs_readres {
350 struct nfs_fattr * fattr;
351 __u32 count;
352 int eof;
9ff71c3a 353 struct nfs4_sequence_res seq_res;
1da177e4
LT
354};
355
356/*
357 * Arguments to the write call.
358 */
1da177e4
LT
359struct nfs_writeargs {
360 struct nfs_fh * fh;
361 struct nfs_open_context *context;
f11ac8db 362 struct nfs_lock_context *lock_context;
1da177e4
LT
363 __u64 offset;
364 __u32 count;
365 enum nfs3_stable_how stable;
366 unsigned int pgbase;
367 struct page ** pages;
4f9838c7 368 const u32 * bitmask;
9ff71c3a 369 struct nfs4_sequence_args seq_args;
1da177e4
LT
370};
371
372struct nfs_writeverf {
373 enum nfs3_stable_how committed;
bc4785cd 374 __be32 verifier[2];
1da177e4
LT
375};
376
377struct nfs_writeres {
378 struct nfs_fattr * fattr;
379 struct nfs_writeverf * verf;
380 __u32 count;
4f9838c7 381 const struct nfs_server *server;
9ff71c3a 382 struct nfs4_sequence_res seq_res;
1da177e4
LT
383};
384
4fdc17b2
TM
385/*
386 * Common arguments to the unlink call
387 */
388struct nfs_removeargs {
389 const struct nfs_fh *fh;
390 struct qstr name;
391 const u32 * bitmask;
9ff71c3a 392 struct nfs4_sequence_args seq_args;
4fdc17b2
TM
393};
394
395struct nfs_removeres {
396 const struct nfs_server *server;
d346890b 397 struct nfs_fattr *dir_attr;
4fdc17b2 398 struct nfs4_change_info cinfo;
9ff71c3a 399 struct nfs4_sequence_res seq_res;
4fdc17b2
TM
400};
401
920769f0
JL
402/*
403 * Common arguments to the rename call
404 */
405struct nfs_renameargs {
406 const struct nfs_fh *old_dir;
407 const struct nfs_fh *new_dir;
408 const struct qstr *old_name;
409 const struct qstr *new_name;
410 const u32 *bitmask;
411 struct nfs4_sequence_args seq_args;
412};
413
e8582a8b
JL
414struct nfs_renameres {
415 const struct nfs_server *server;
416 struct nfs4_change_info old_cinfo;
417 struct nfs_fattr *old_fattr;
418 struct nfs4_change_info new_cinfo;
419 struct nfs_fattr *new_fattr;
420 struct nfs4_sequence_res seq_res;
421};
422
1da177e4
LT
423/*
424 * Argument struct for decode_entry function
425 */
426struct nfs_entry {
427 __u64 ino;
428 __u64 cookie,
429 prev_cookie;
430 const char * name;
431 unsigned int len;
432 int eof;
433 struct nfs_fh * fh;
434 struct nfs_fattr * fattr;
435};
436
437/*
438 * The following types are for NFSv2 only.
439 */
440struct nfs_sattrargs {
441 struct nfs_fh * fh;
442 struct iattr * sattr;
443};
444
445struct nfs_diropargs {
446 struct nfs_fh * fh;
447 const char * name;
448 unsigned int len;
449};
450
451struct nfs_createargs {
452 struct nfs_fh * fh;
453 const char * name;
454 unsigned int len;
455 struct iattr * sattr;
456};
457
1da177e4
LT
458struct nfs_setattrargs {
459 struct nfs_fh * fh;
460 nfs4_stateid stateid;
461 struct iattr * iap;
462 const struct nfs_server * server; /* Needed for name mapping */
463 const u32 * bitmask;
9ff71c3a 464 struct nfs4_sequence_args seq_args;
1da177e4
LT
465};
466
23ec6965
BF
467struct nfs_setaclargs {
468 struct nfs_fh * fh;
469 size_t acl_len;
470 unsigned int acl_pgbase;
471 struct page ** acl_pages;
9ff71c3a 472 struct nfs4_sequence_args seq_args;
23ec6965
BF
473};
474
73c403a9
BH
475struct nfs_setaclres {
476 struct nfs4_sequence_res seq_res;
477};
478
029d105e
BF
479struct nfs_getaclargs {
480 struct nfs_fh * fh;
481 size_t acl_len;
482 unsigned int acl_pgbase;
483 struct page ** acl_pages;
9ff71c3a 484 struct nfs4_sequence_args seq_args;
029d105e
BF
485};
486
663c79b3
BH
487struct nfs_getaclres {
488 size_t acl_len;
489 struct nfs4_sequence_res seq_res;
490};
491
1da177e4
LT
492struct nfs_setattrres {
493 struct nfs_fattr * fattr;
494 const struct nfs_server * server;
9ff71c3a 495 struct nfs4_sequence_res seq_res;
1da177e4
LT
496};
497
498struct nfs_linkargs {
499 struct nfs_fh * fromfh;
500 struct nfs_fh * tofh;
501 const char * toname;
502 unsigned int tolen;
503};
504
505struct nfs_symlinkargs {
506 struct nfs_fh * fromfh;
507 const char * fromname;
508 unsigned int fromlen;
94a6d753
CL
509 struct page ** pages;
510 unsigned int pathlen;
1da177e4
LT
511 struct iattr * sattr;
512};
513
514struct nfs_readdirargs {
515 struct nfs_fh * fh;
516 __u32 cookie;
517 unsigned int count;
518 struct page ** pages;
519};
520
b7fa0554
AG
521struct nfs3_getaclargs {
522 struct nfs_fh * fh;
523 int mask;
524 struct page ** pages;
525};
526
527struct nfs3_setaclargs {
528 struct inode * inode;
529 int mask;
530 struct posix_acl * acl_access;
531 struct posix_acl * acl_default;
ae46141f
TM
532 size_t len;
533 unsigned int npages;
b7fa0554
AG
534 struct page ** pages;
535};
536
1da177e4
LT
537struct nfs_diropok {
538 struct nfs_fh * fh;
539 struct nfs_fattr * fattr;
540};
541
542struct nfs_readlinkargs {
543 struct nfs_fh * fh;
544 unsigned int pgbase;
545 unsigned int pglen;
546 struct page ** pages;
547};
548
549struct nfs3_sattrargs {
550 struct nfs_fh * fh;
551 struct iattr * sattr;
552 unsigned int guard;
553 struct timespec guardtime;
554};
555
556struct nfs3_diropargs {
557 struct nfs_fh * fh;
558 const char * name;
559 unsigned int len;
560};
561
562struct nfs3_accessargs {
563 struct nfs_fh * fh;
564 __u32 access;
565};
566
567struct nfs3_createargs {
568 struct nfs_fh * fh;
569 const char * name;
570 unsigned int len;
571 struct iattr * sattr;
572 enum nfs3_createmode createmode;
bc4785cd 573 __be32 verifier[2];
1da177e4
LT
574};
575
576struct nfs3_mkdirargs {
577 struct nfs_fh * fh;
578 const char * name;
579 unsigned int len;
580 struct iattr * sattr;
581};
582
583struct nfs3_symlinkargs {
584 struct nfs_fh * fromfh;
585 const char * fromname;
586 unsigned int fromlen;
94a6d753
CL
587 struct page ** pages;
588 unsigned int pathlen;
1da177e4
LT
589 struct iattr * sattr;
590};
591
592struct nfs3_mknodargs {
593 struct nfs_fh * fh;
594 const char * name;
595 unsigned int len;
596 enum nfs3_ftype type;
597 struct iattr * sattr;
598 dev_t rdev;
599};
600
1da177e4
LT
601struct nfs3_linkargs {
602 struct nfs_fh * fromfh;
603 struct nfs_fh * tofh;
604 const char * toname;
605 unsigned int tolen;
606};
607
608struct nfs3_readdirargs {
609 struct nfs_fh * fh;
610 __u64 cookie;
bc4785cd 611 __be32 verf[2];
1da177e4
LT
612 int plus;
613 unsigned int count;
614 struct page ** pages;
615};
616
617struct nfs3_diropres {
618 struct nfs_fattr * dir_attr;
619 struct nfs_fh * fh;
620 struct nfs_fattr * fattr;
621};
622
623struct nfs3_accessres {
624 struct nfs_fattr * fattr;
625 __u32 access;
626};
627
628struct nfs3_readlinkargs {
629 struct nfs_fh * fh;
630 unsigned int pgbase;
631 unsigned int pglen;
632 struct page ** pages;
633};
634
1da177e4
LT
635struct nfs3_linkres {
636 struct nfs_fattr * dir_attr;
637 struct nfs_fattr * fattr;
638};
639
640struct nfs3_readdirres {
641 struct nfs_fattr * dir_attr;
bc4785cd 642 __be32 * verf;
1da177e4
LT
643 int plus;
644};
645
b7fa0554
AG
646struct nfs3_getaclres {
647 struct nfs_fattr * fattr;
648 int mask;
649 unsigned int acl_access_count;
650 unsigned int acl_default_count;
651 struct posix_acl * acl_access;
652 struct posix_acl * acl_default;
653};
654
1da177e4
LT
655#ifdef CONFIG_NFS_V4
656
657typedef u64 clientid4;
658
659struct nfs4_accessargs {
660 const struct nfs_fh * fh;
76b32999 661 const u32 * bitmask;
1da177e4 662 u32 access;
9ff71c3a 663 struct nfs4_sequence_args seq_args;
1da177e4
LT
664};
665
666struct nfs4_accessres {
76b32999
TM
667 const struct nfs_server * server;
668 struct nfs_fattr * fattr;
1da177e4
LT
669 u32 supported;
670 u32 access;
9ff71c3a 671 struct nfs4_sequence_res seq_res;
1da177e4
LT
672};
673
674struct nfs4_create_arg {
675 u32 ftype;
676 union {
94a6d753
CL
677 struct {
678 struct page ** pages;
679 unsigned int len;
680 } symlink; /* NF4LNK */
1da177e4
LT
681 struct {
682 u32 specdata1;
683 u32 specdata2;
684 } device; /* NF4BLK, NF4CHR */
685 } u;
686 const struct qstr * name;
687 const struct nfs_server * server;
688 const struct iattr * attrs;
689 const struct nfs_fh * dir_fh;
690 const u32 * bitmask;
9ff71c3a 691 struct nfs4_sequence_args seq_args;
1da177e4
LT
692};
693
694struct nfs4_create_res {
695 const struct nfs_server * server;
696 struct nfs_fh * fh;
697 struct nfs_fattr * fattr;
698 struct nfs4_change_info dir_cinfo;
56ae19f3 699 struct nfs_fattr * dir_fattr;
9ff71c3a 700 struct nfs4_sequence_res seq_res;
1da177e4
LT
701};
702
703struct nfs4_fsinfo_arg {
704 const struct nfs_fh * fh;
705 const u32 * bitmask;
9ff71c3a 706 struct nfs4_sequence_args seq_args;
1da177e4
LT
707};
708
3dda5e43
BH
709struct nfs4_fsinfo_res {
710 struct nfs_fsinfo *fsinfo;
711 struct nfs4_sequence_res seq_res;
712};
713
1da177e4
LT
714struct nfs4_getattr_arg {
715 const struct nfs_fh * fh;
716 const u32 * bitmask;
9ff71c3a 717 struct nfs4_sequence_args seq_args;
1da177e4
LT
718};
719
720struct nfs4_getattr_res {
721 const struct nfs_server * server;
722 struct nfs_fattr * fattr;
9ff71c3a 723 struct nfs4_sequence_res seq_res;
1da177e4
LT
724};
725
726struct nfs4_link_arg {
727 const struct nfs_fh * fh;
728 const struct nfs_fh * dir_fh;
729 const struct qstr * name;
91ba2eee 730 const u32 * bitmask;
9ff71c3a 731 struct nfs4_sequence_args seq_args;
91ba2eee
TM
732};
733
734struct nfs4_link_res {
735 const struct nfs_server * server;
736 struct nfs_fattr * fattr;
737 struct nfs4_change_info cinfo;
738 struct nfs_fattr * dir_attr;
9ff71c3a 739 struct nfs4_sequence_res seq_res;
1da177e4
LT
740};
741
91ba2eee 742
1da177e4
LT
743struct nfs4_lookup_arg {
744 const struct nfs_fh * dir_fh;
745 const struct qstr * name;
746 const u32 * bitmask;
9ff71c3a 747 struct nfs4_sequence_args seq_args;
1da177e4
LT
748};
749
750struct nfs4_lookup_res {
751 const struct nfs_server * server;
752 struct nfs_fattr * fattr;
753 struct nfs_fh * fh;
9ff71c3a 754 struct nfs4_sequence_res seq_res;
1da177e4
LT
755};
756
757struct nfs4_lookup_root_arg {
758 const u32 * bitmask;
9ff71c3a 759 struct nfs4_sequence_args seq_args;
1da177e4
LT
760};
761
762struct nfs4_pathconf_arg {
763 const struct nfs_fh * fh;
764 const u32 * bitmask;
9ff71c3a 765 struct nfs4_sequence_args seq_args;
1da177e4
LT
766};
767
d45b2989
BH
768struct nfs4_pathconf_res {
769 struct nfs_pathconf *pathconf;
770 struct nfs4_sequence_res seq_res;
771};
772
1da177e4
LT
773struct nfs4_readdir_arg {
774 const struct nfs_fh * fh;
775 u64 cookie;
776 nfs4_verifier verifier;
777 u32 count;
778 struct page ** pages; /* zero-copy data */
779 unsigned int pgbase; /* zero-copy data */
780 const u32 * bitmask;
9ff71c3a 781 struct nfs4_sequence_args seq_args;
1da177e4
LT
782};
783
784struct nfs4_readdir_res {
785 nfs4_verifier verifier;
786 unsigned int pgbase;
9ff71c3a 787 struct nfs4_sequence_res seq_res;
1da177e4
LT
788};
789
790struct nfs4_readlink {
791 const struct nfs_fh * fh;
792 unsigned int pgbase;
793 unsigned int pglen; /* zero-copy data */
794 struct page ** pages; /* zero-copy data */
9ff71c3a 795 struct nfs4_sequence_args seq_args;
1da177e4
LT
796};
797
f50c7000
BH
798struct nfs4_readlink_res {
799 struct nfs4_sequence_res seq_res;
800};
801
19d771f3 802#define NFS4_SETCLIENTID_NAMELEN (127)
1da177e4 803struct nfs4_setclientid {
cc38bac3 804 const nfs4_verifier * sc_verifier;
1da177e4 805 unsigned int sc_name_len;
d1ce02e1 806 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
cc38bac3 807 u32 sc_prog;
1da177e4 808 unsigned int sc_netid_len;
d1ce02e1 809 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
1da177e4 810 unsigned int sc_uaddr_len;
d1ce02e1 811 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
cc38bac3 812 u32 sc_cb_ident;
1da177e4
LT
813};
814
bb8b27e5
TM
815struct nfs4_setclientid_res {
816 u64 clientid;
817 nfs4_verifier confirm;
818};
819
1da177e4
LT
820struct nfs4_statfs_arg {
821 const struct nfs_fh * fh;
822 const u32 * bitmask;
9ff71c3a 823 struct nfs4_sequence_args seq_args;
1da177e4
LT
824};
825
24ad148a
BH
826struct nfs4_statfs_res {
827 struct nfs_fsstat *fsstat;
828 struct nfs4_sequence_res seq_res;
829};
830
43652ad5
BH
831struct nfs4_server_caps_arg {
832 struct nfs_fh *fhandle;
833 struct nfs4_sequence_args seq_args;
834};
835
1da177e4
LT
836struct nfs4_server_caps_res {
837 u32 attr_bitmask[2];
838 u32 acl_bitmask;
839 u32 has_links;
840 u32 has_symlinks;
9ff71c3a 841 struct nfs4_sequence_res seq_res;
1da177e4
LT
842};
843
7aaa0b3b
MN
844struct nfs4_string {
845 unsigned int len;
846 char *data;
683b57b4
TM
847};
848
7aaa0b3b
MN
849#define NFS4_PATHNAME_MAXCOMPONENTS 512
850struct nfs4_pathname {
851 unsigned int ncomponents;
852 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
853};
854
855#define NFS4_FS_LOCATION_MAXSERVERS 10
856struct nfs4_fs_location {
857 unsigned int nservers;
858 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
859 struct nfs4_pathname rootpath;
860};
861
862#define NFS4_FS_LOCATIONS_MAXENTRIES 10
863struct nfs4_fs_locations {
683b57b4
TM
864 struct nfs_fattr fattr;
865 const struct nfs_server *server;
7aaa0b3b 866 struct nfs4_pathname fs_path;
683b57b4 867 int nlocations;
7aaa0b3b 868 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
683b57b4
TM
869};
870
871struct nfs4_fs_locations_arg {
872 const struct nfs_fh *dir_fh;
873 const struct qstr *name;
874 struct page *page;
875 const u32 *bitmask;
9ff71c3a 876 struct nfs4_sequence_args seq_args;
683b57b4
TM
877};
878
22958463
BH
879struct nfs4_fs_locations_res {
880 struct nfs4_fs_locations *fs_locations;
881 struct nfs4_sequence_res seq_res;
882};
883
1da177e4
LT
884#endif /* CONFIG_NFS_V4 */
885
99fe60d0
BH
886struct nfstime4 {
887 u64 seconds;
888 u32 nseconds;
889};
890
891#ifdef CONFIG_NFS_V4_1
892struct nfs_impl_id4 {
893 u32 domain_len;
894 char *domain;
895 u32 name_len;
896 char *name;
897 struct nfstime4 date;
898};
899
900#define NFS4_EXCHANGE_ID_LEN (48)
901struct nfs41_exchange_id_args {
902 struct nfs_client *client;
903 nfs4_verifier *verifier;
904 unsigned int id_len;
905 char id[NFS4_EXCHANGE_ID_LEN];
906 u32 flags;
907};
908
909struct server_owner {
910 uint64_t minor_id;
911 uint32_t major_id_sz;
912 char major_id[NFS4_OPAQUE_LIMIT];
913};
914
915struct server_scope {
916 uint32_t server_scope_sz;
917 char server_scope[NFS4_OPAQUE_LIMIT];
918};
919
920struct nfs41_exchange_id_res {
921 struct nfs_client *client;
922 u32 flags;
923};
fc931582
AA
924
925struct nfs41_create_session_args {
926 struct nfs_client *client;
927 uint32_t flags;
928 uint32_t cb_program;
929 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
930 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
931};
932
933struct nfs41_create_session_res {
934 struct nfs_client *client;
935};
18019753
RL
936
937struct nfs41_reclaim_complete_args {
938 /* In the future extend to include curr_fh for use with migration */
939 unsigned char one_fs:1;
940 struct nfs4_sequence_args seq_args;
941};
942
943struct nfs41_reclaim_complete_res {
944 struct nfs4_sequence_res seq_res;
945};
99fe60d0
BH
946#endif /* CONFIG_NFS_V4_1 */
947
1da177e4
LT
948struct nfs_page;
949
40859d7e
CL
950#define NFS_PAGEVEC_SIZE (8U)
951
1da177e4
LT
952struct nfs_read_data {
953 int flags;
954 struct rpc_task task;
955 struct inode *inode;
956 struct rpc_cred *cred;
957 struct nfs_fattr fattr; /* fattr storage */
958 struct list_head pages; /* Coalesced read requests */
959 struct nfs_page *req; /* multi ops per nfs_page */
40859d7e 960 struct page **pagevec;
e9f7bee1 961 unsigned int npages; /* Max length of pagevec */
1da177e4
LT
962 struct nfs_readargs args;
963 struct nfs_readres res;
964#ifdef CONFIG_NFS_V4
965 unsigned long timestamp; /* For lease renewal */
966#endif
0d0b5cb3 967 struct page *page_array[NFS_PAGEVEC_SIZE];
1da177e4
LT
968};
969
970struct nfs_write_data {
971 int flags;
972 struct rpc_task task;
973 struct inode *inode;
974 struct rpc_cred *cred;
975 struct nfs_fattr fattr;
976 struct nfs_writeverf verf;
977 struct list_head pages; /* Coalesced requests we wish to flush */
978 struct nfs_page *req; /* multi ops per nfs_page */
40859d7e 979 struct page **pagevec;
e9f7bee1 980 unsigned int npages; /* Max length of pagevec */
1da177e4
LT
981 struct nfs_writeargs args; /* argument struct */
982 struct nfs_writeres res; /* result struct */
983#ifdef CONFIG_NFS_V4
984 unsigned long timestamp; /* For lease renewal */
985#endif
0d0b5cb3 986 struct page *page_array[NFS_PAGEVEC_SIZE];
1da177e4
LT
987};
988
989struct nfs_access_entry;
990
991/*
992 * RPC procedure vector for NFSv2/NFSv3 demuxing
993 */
994struct nfs_rpc_ops {
c0e07cb6 995 u32 version; /* Protocol version */
f786aa90 996 const struct dentry_operations *dentry_ops;
c5ef1c42
AV
997 const struct inode_operations *dir_inode_ops;
998 const struct inode_operations *file_inode_ops;
1da177e4
LT
999
1000 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1001 struct nfs_fsinfo *);
2b3de441
DH
1002 int (*lookupfh)(struct nfs_server *, struct nfs_fh *,
1003 struct qstr *, struct nfs_fh *,
1004 struct nfs_fattr *);
1da177e4
LT
1005 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1006 struct nfs_fattr *);
1007 int (*setattr) (struct dentry *, struct nfs_fattr *,
1008 struct iattr *);
1009 int (*lookup) (struct inode *, struct qstr *,
1010 struct nfs_fh *, struct nfs_fattr *);
1011 int (*access) (struct inode *, struct nfs_access_entry *);
1012 int (*readlink)(struct inode *, struct page *, unsigned int,
1013 unsigned int);
1da177e4 1014 int (*create) (struct inode *, struct dentry *,
c0204fd2 1015 struct iattr *, int, struct nfs_open_context *);
1da177e4 1016 int (*remove) (struct inode *, struct qstr *);
e4eff1a6
TM
1017 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1018 int (*unlink_done) (struct rpc_task *, struct inode *);
1da177e4
LT
1019 int (*rename) (struct inode *, struct qstr *,
1020 struct inode *, struct qstr *);
d3d4152a
JL
1021 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1022 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1da177e4 1023 int (*link) (struct inode *, struct inode *, struct qstr *);
94a6d753
CL
1024 int (*symlink) (struct inode *, struct dentry *, struct page *,
1025 unsigned int, struct iattr *);
1da177e4
LT
1026 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1027 int (*rmdir) (struct inode *, struct qstr *);
1028 int (*readdir) (struct dentry *, struct rpc_cred *,
56e4ebf8 1029 u64, struct page **, unsigned int, int);
1da177e4
LT
1030 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1031 dev_t);
1032 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1033 struct nfs_fsstat *);
1034 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1035 struct nfs_fsinfo *);
1036 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1037 struct nfs_pathconf *);
e9326dca 1038 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
babddc72 1039 __be32 *(*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int plus);
bdc7f021 1040 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
ec06c096 1041 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
bdc7f021 1042 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
788e7a89 1043 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
bdc7f021 1044 void (*commit_setup) (struct nfs_write_data *, struct rpc_message *);
788e7a89 1045 int (*commit_done) (struct rpc_task *, struct nfs_write_data *);
1da177e4 1046 int (*lock)(struct file *, int, struct file_lock *);
2116271a 1047 int (*lock_check_bounds)(const struct file_lock *);
ada70d94 1048 void (*clear_acl_cache)(struct inode *);
7fe5c398 1049 void (*close_context)(struct nfs_open_context *ctx, int);
2b484297
TM
1050 struct inode * (*open_context) (struct inode *dir,
1051 struct nfs_open_context *ctx,
1052 int open_flags,
1053 struct iattr *iattr);
1da177e4
LT
1054};
1055
1056/*
1057 * NFS_CALL(getattr, inode, (fattr));
1058 * into
1059 * NFS_PROTO(inode)->getattr(fattr);
1060 */
1061#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1062
1063/*
1064 * Function vectors etc. for the NFS client
1065 */
509de811
DH
1066extern const struct nfs_rpc_ops nfs_v2_clientops;
1067extern const struct nfs_rpc_ops nfs_v3_clientops;
1068extern const struct nfs_rpc_ops nfs_v4_clientops;
1da177e4
LT
1069extern struct rpc_version nfs_version2;
1070extern struct rpc_version nfs_version3;
1071extern struct rpc_version nfs_version4;
1072
b7fa0554
AG
1073extern struct rpc_version nfsacl_version3;
1074extern struct rpc_program nfsacl_program;
1075
1da177e4 1076#endif