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1da177e4 LT |
1 | #ifndef _LINUX_NFS_XDR_H |
2 | #define _LINUX_NFS_XDR_H | |
3 | ||
b7fa0554 | 4 | #include <linux/nfsacl.h> |
1da177e4 | 5 | |
40859d7e CL |
6 | /* |
7 | * To change the maximum rsize and wsize supported by the NFS client, adjust | |
8 | * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can | |
9 | * support a megabyte or more. The default is left at 4096 bytes, which is | |
10 | * reasonable for NFS over UDP. | |
11 | */ | |
12 | #define NFS_MAX_FILE_IO_SIZE (1048576U) | |
13 | #define NFS_DEF_FILE_IO_SIZE (4096U) | |
14 | #define NFS_MIN_FILE_IO_SIZE (1024U) | |
15 | ||
8b4bdcf8 TM |
16 | struct nfs_fsid { |
17 | uint64_t major; | |
18 | uint64_t minor; | |
1da177e4 LT |
19 | }; |
20 | ||
8b4bdcf8 TM |
21 | /* |
22 | * Helper for checking equality between 2 fsids. | |
23 | */ | |
24 | static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b) | |
25 | { | |
26 | return a->major == b->major && a->minor == b->minor; | |
27 | } | |
28 | ||
1da177e4 LT |
29 | struct nfs_fattr { |
30 | unsigned short valid; /* which fields are valid */ | |
31 | __u64 pre_size; /* pre_op_attr.size */ | |
32 | struct timespec pre_mtime; /* pre_op_attr.mtime */ | |
33 | struct timespec pre_ctime; /* pre_op_attr.ctime */ | |
34 | enum nfs_ftype type; /* always use NFSv2 types */ | |
35 | __u32 mode; | |
36 | __u32 nlink; | |
37 | __u32 uid; | |
38 | __u32 gid; | |
39 | __u64 size; | |
40 | union { | |
41 | struct { | |
42 | __u32 blocksize; | |
43 | __u32 blocks; | |
44 | } nfs2; | |
45 | struct { | |
46 | __u64 used; | |
47 | } nfs3; | |
48 | } du; | |
49 | dev_t rdev; | |
8b4bdcf8 | 50 | struct nfs_fsid fsid; |
1da177e4 LT |
51 | __u64 fileid; |
52 | struct timespec atime; | |
53 | struct timespec mtime; | |
54 | struct timespec ctime; | |
55 | __u32 bitmap[2]; /* NFSv4 returned attribute bitmap */ | |
56 | __u64 change_attr; /* NFSv4 change attribute */ | |
57 | __u64 pre_change_attr;/* pre-op NFSv4 change attribute */ | |
33801147 | 58 | unsigned long time_start; |
1da177e4 LT |
59 | }; |
60 | ||
61 | #define NFS_ATTR_WCC 0x0001 /* pre-op WCC data */ | |
62 | #define NFS_ATTR_FATTR 0x0002 /* post-op attributes */ | |
63 | #define NFS_ATTR_FATTR_V3 0x0004 /* NFSv3 attributes */ | |
73a3d07c | 64 | #define NFS_ATTR_FATTR_V4 0x0008 /* NFSv4 change attribute */ |
6b97fd3d | 65 | #define NFS_ATTR_FATTR_V4_REFERRAL 0x0010 /* NFSv4 referral */ |
1da177e4 LT |
66 | |
67 | /* | |
68 | * Info on the file system | |
69 | */ | |
70 | struct nfs_fsinfo { | |
71 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
72 | __u32 rtmax; /* max. read transfer size */ | |
73 | __u32 rtpref; /* pref. read transfer size */ | |
74 | __u32 rtmult; /* reads should be multiple of this */ | |
75 | __u32 wtmax; /* max. write transfer size */ | |
76 | __u32 wtpref; /* pref. write transfer size */ | |
77 | __u32 wtmult; /* writes should be multiple of this */ | |
78 | __u32 dtpref; /* pref. readdir transfer size */ | |
79 | __u64 maxfilesize; | |
80 | __u32 lease_time; /* in seconds */ | |
81 | }; | |
82 | ||
83 | struct nfs_fsstat { | |
84 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
85 | __u64 tbytes; /* total size in bytes */ | |
86 | __u64 fbytes; /* # of free bytes */ | |
87 | __u64 abytes; /* # of bytes available to user */ | |
88 | __u64 tfiles; /* # of files */ | |
89 | __u64 ffiles; /* # of free files */ | |
90 | __u64 afiles; /* # of files available to user */ | |
91 | }; | |
92 | ||
93 | struct nfs2_fsstat { | |
94 | __u32 tsize; /* Server transfer size */ | |
95 | __u32 bsize; /* Filesystem block size */ | |
96 | __u32 blocks; /* No. of "bsize" blocks on filesystem */ | |
97 | __u32 bfree; /* No. of free "bsize" blocks */ | |
98 | __u32 bavail; /* No. of available "bsize" blocks */ | |
99 | }; | |
100 | ||
101 | struct nfs_pathconf { | |
102 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
103 | __u32 max_link; /* max # of hard links */ | |
104 | __u32 max_namelen; /* max name length */ | |
105 | }; | |
106 | ||
107 | struct nfs4_change_info { | |
108 | u32 atomic; | |
109 | u64 before; | |
110 | u64 after; | |
111 | }; | |
112 | ||
cee54fc9 | 113 | struct nfs_seqid; |
1da177e4 LT |
114 | /* |
115 | * Arguments to the open call. | |
116 | */ | |
117 | struct nfs_openargs { | |
118 | const struct nfs_fh * fh; | |
cee54fc9 | 119 | struct nfs_seqid * seqid; |
1da177e4 LT |
120 | int open_flags; |
121 | __u64 clientid; | |
122 | __u32 id; | |
123 | union { | |
124 | struct iattr * attrs; /* UNCHECKED, GUARDED */ | |
125 | nfs4_verifier verifier; /* EXCLUSIVE */ | |
126 | nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ | |
127 | int delegation_type; /* CLAIM_PREVIOUS */ | |
128 | } u; | |
129 | const struct qstr * name; | |
130 | const struct nfs_server *server; /* Needed for ID mapping */ | |
131 | const u32 * bitmask; | |
132 | __u32 claim; | |
133 | }; | |
134 | ||
135 | struct nfs_openres { | |
136 | nfs4_stateid stateid; | |
137 | struct nfs_fh fh; | |
138 | struct nfs4_change_info cinfo; | |
139 | __u32 rflags; | |
140 | struct nfs_fattr * f_attr; | |
56ae19f3 | 141 | struct nfs_fattr * dir_attr; |
1da177e4 LT |
142 | const struct nfs_server *server; |
143 | int delegation_type; | |
144 | nfs4_stateid delegation; | |
145 | __u32 do_recall; | |
146 | __u64 maxsize; | |
147 | }; | |
148 | ||
149 | /* | |
150 | * Arguments to the open_confirm call. | |
151 | */ | |
152 | struct nfs_open_confirmargs { | |
153 | const struct nfs_fh * fh; | |
cdd4e68b | 154 | nfs4_stateid * stateid; |
cee54fc9 | 155 | struct nfs_seqid * seqid; |
1da177e4 LT |
156 | }; |
157 | ||
158 | struct nfs_open_confirmres { | |
159 | nfs4_stateid stateid; | |
160 | }; | |
161 | ||
162 | /* | |
163 | * Arguments to the close call. | |
164 | */ | |
165 | struct nfs_closeargs { | |
166 | struct nfs_fh * fh; | |
9512135d | 167 | nfs4_stateid * stateid; |
cee54fc9 | 168 | struct nfs_seqid * seqid; |
1da177e4 | 169 | int open_flags; |
516a6af6 | 170 | const u32 * bitmask; |
1da177e4 LT |
171 | }; |
172 | ||
173 | struct nfs_closeres { | |
174 | nfs4_stateid stateid; | |
516a6af6 TM |
175 | struct nfs_fattr * fattr; |
176 | const struct nfs_server *server; | |
1da177e4 LT |
177 | }; |
178 | /* | |
179 | * * Arguments to the lock,lockt, and locku call. | |
180 | * */ | |
181 | struct nfs_lowner { | |
911d1aaf TM |
182 | __u64 clientid; |
183 | u32 id; | |
1da177e4 LT |
184 | }; |
185 | ||
911d1aaf TM |
186 | struct nfs_lock_args { |
187 | struct nfs_fh * fh; | |
188 | struct file_lock * fl; | |
cee54fc9 | 189 | struct nfs_seqid * lock_seqid; |
06735b34 TM |
190 | nfs4_stateid * lock_stateid; |
191 | struct nfs_seqid * open_seqid; | |
192 | nfs4_stateid * open_stateid; | |
911d1aaf TM |
193 | struct nfs_lowner lock_owner; |
194 | unsigned char block : 1; | |
195 | unsigned char reclaim : 1; | |
196 | unsigned char new_lock_owner : 1; | |
197 | }; | |
198 | ||
199 | struct nfs_lock_res { | |
200 | nfs4_stateid stateid; | |
1da177e4 LT |
201 | }; |
202 | ||
911d1aaf TM |
203 | struct nfs_locku_args { |
204 | struct nfs_fh * fh; | |
205 | struct file_lock * fl; | |
cee54fc9 | 206 | struct nfs_seqid * seqid; |
faf5f49c | 207 | nfs4_stateid * stateid; |
1da177e4 LT |
208 | }; |
209 | ||
911d1aaf TM |
210 | struct nfs_locku_res { |
211 | nfs4_stateid stateid; | |
1da177e4 LT |
212 | }; |
213 | ||
911d1aaf TM |
214 | struct nfs_lockt_args { |
215 | struct nfs_fh * fh; | |
216 | struct file_lock * fl; | |
217 | struct nfs_lowner lock_owner; | |
1da177e4 LT |
218 | }; |
219 | ||
911d1aaf TM |
220 | struct nfs_lockt_res { |
221 | struct file_lock * denied; /* LOCK, LOCKT failed */ | |
1da177e4 LT |
222 | }; |
223 | ||
224 | struct nfs4_delegreturnargs { | |
225 | const struct nfs_fh *fhandle; | |
226 | const nfs4_stateid *stateid; | |
fa178f29 TM |
227 | const u32 * bitmask; |
228 | }; | |
229 | ||
230 | struct nfs4_delegreturnres { | |
231 | struct nfs_fattr * fattr; | |
232 | const struct nfs_server *server; | |
1da177e4 LT |
233 | }; |
234 | ||
235 | /* | |
236 | * Arguments to the read call. | |
237 | */ | |
1da177e4 LT |
238 | struct nfs_readargs { |
239 | struct nfs_fh * fh; | |
240 | struct nfs_open_context *context; | |
241 | __u64 offset; | |
242 | __u32 count; | |
243 | unsigned int pgbase; | |
244 | struct page ** pages; | |
245 | }; | |
246 | ||
247 | struct nfs_readres { | |
248 | struct nfs_fattr * fattr; | |
249 | __u32 count; | |
250 | int eof; | |
251 | }; | |
252 | ||
253 | /* | |
254 | * Arguments to the write call. | |
255 | */ | |
1da177e4 LT |
256 | struct nfs_writeargs { |
257 | struct nfs_fh * fh; | |
258 | struct nfs_open_context *context; | |
259 | __u64 offset; | |
260 | __u32 count; | |
261 | enum nfs3_stable_how stable; | |
262 | unsigned int pgbase; | |
263 | struct page ** pages; | |
4f9838c7 | 264 | const u32 * bitmask; |
1da177e4 LT |
265 | }; |
266 | ||
267 | struct nfs_writeverf { | |
268 | enum nfs3_stable_how committed; | |
bc4785cd | 269 | __be32 verifier[2]; |
1da177e4 LT |
270 | }; |
271 | ||
272 | struct nfs_writeres { | |
273 | struct nfs_fattr * fattr; | |
274 | struct nfs_writeverf * verf; | |
275 | __u32 count; | |
4f9838c7 | 276 | const struct nfs_server *server; |
1da177e4 LT |
277 | }; |
278 | ||
279 | /* | |
280 | * Argument struct for decode_entry function | |
281 | */ | |
282 | struct nfs_entry { | |
283 | __u64 ino; | |
284 | __u64 cookie, | |
285 | prev_cookie; | |
286 | const char * name; | |
287 | unsigned int len; | |
288 | int eof; | |
289 | struct nfs_fh * fh; | |
290 | struct nfs_fattr * fattr; | |
291 | }; | |
292 | ||
293 | /* | |
294 | * The following types are for NFSv2 only. | |
295 | */ | |
296 | struct nfs_sattrargs { | |
297 | struct nfs_fh * fh; | |
298 | struct iattr * sattr; | |
299 | }; | |
300 | ||
301 | struct nfs_diropargs { | |
302 | struct nfs_fh * fh; | |
303 | const char * name; | |
304 | unsigned int len; | |
305 | }; | |
306 | ||
307 | struct nfs_createargs { | |
308 | struct nfs_fh * fh; | |
309 | const char * name; | |
310 | unsigned int len; | |
311 | struct iattr * sattr; | |
312 | }; | |
313 | ||
314 | struct nfs_renameargs { | |
315 | struct nfs_fh * fromfh; | |
316 | const char * fromname; | |
317 | unsigned int fromlen; | |
318 | struct nfs_fh * tofh; | |
319 | const char * toname; | |
320 | unsigned int tolen; | |
321 | }; | |
322 | ||
323 | struct nfs_setattrargs { | |
324 | struct nfs_fh * fh; | |
325 | nfs4_stateid stateid; | |
326 | struct iattr * iap; | |
327 | const struct nfs_server * server; /* Needed for name mapping */ | |
328 | const u32 * bitmask; | |
329 | }; | |
330 | ||
23ec6965 BF |
331 | struct nfs_setaclargs { |
332 | struct nfs_fh * fh; | |
333 | size_t acl_len; | |
334 | unsigned int acl_pgbase; | |
335 | struct page ** acl_pages; | |
336 | }; | |
337 | ||
029d105e BF |
338 | struct nfs_getaclargs { |
339 | struct nfs_fh * fh; | |
340 | size_t acl_len; | |
341 | unsigned int acl_pgbase; | |
342 | struct page ** acl_pages; | |
343 | }; | |
344 | ||
1da177e4 LT |
345 | struct nfs_setattrres { |
346 | struct nfs_fattr * fattr; | |
347 | const struct nfs_server * server; | |
348 | }; | |
349 | ||
350 | struct nfs_linkargs { | |
351 | struct nfs_fh * fromfh; | |
352 | struct nfs_fh * tofh; | |
353 | const char * toname; | |
354 | unsigned int tolen; | |
355 | }; | |
356 | ||
357 | struct nfs_symlinkargs { | |
358 | struct nfs_fh * fromfh; | |
359 | const char * fromname; | |
360 | unsigned int fromlen; | |
94a6d753 CL |
361 | struct page ** pages; |
362 | unsigned int pathlen; | |
1da177e4 LT |
363 | struct iattr * sattr; |
364 | }; | |
365 | ||
366 | struct nfs_readdirargs { | |
367 | struct nfs_fh * fh; | |
368 | __u32 cookie; | |
369 | unsigned int count; | |
370 | struct page ** pages; | |
371 | }; | |
372 | ||
b7fa0554 AG |
373 | struct nfs3_getaclargs { |
374 | struct nfs_fh * fh; | |
375 | int mask; | |
376 | struct page ** pages; | |
377 | }; | |
378 | ||
379 | struct nfs3_setaclargs { | |
380 | struct inode * inode; | |
381 | int mask; | |
382 | struct posix_acl * acl_access; | |
383 | struct posix_acl * acl_default; | |
384 | struct page ** pages; | |
385 | }; | |
386 | ||
1da177e4 LT |
387 | struct nfs_diropok { |
388 | struct nfs_fh * fh; | |
389 | struct nfs_fattr * fattr; | |
390 | }; | |
391 | ||
392 | struct nfs_readlinkargs { | |
393 | struct nfs_fh * fh; | |
394 | unsigned int pgbase; | |
395 | unsigned int pglen; | |
396 | struct page ** pages; | |
397 | }; | |
398 | ||
399 | struct nfs3_sattrargs { | |
400 | struct nfs_fh * fh; | |
401 | struct iattr * sattr; | |
402 | unsigned int guard; | |
403 | struct timespec guardtime; | |
404 | }; | |
405 | ||
406 | struct nfs3_diropargs { | |
407 | struct nfs_fh * fh; | |
408 | const char * name; | |
409 | unsigned int len; | |
410 | }; | |
411 | ||
412 | struct nfs3_accessargs { | |
413 | struct nfs_fh * fh; | |
414 | __u32 access; | |
415 | }; | |
416 | ||
417 | struct nfs3_createargs { | |
418 | struct nfs_fh * fh; | |
419 | const char * name; | |
420 | unsigned int len; | |
421 | struct iattr * sattr; | |
422 | enum nfs3_createmode createmode; | |
bc4785cd | 423 | __be32 verifier[2]; |
1da177e4 LT |
424 | }; |
425 | ||
426 | struct nfs3_mkdirargs { | |
427 | struct nfs_fh * fh; | |
428 | const char * name; | |
429 | unsigned int len; | |
430 | struct iattr * sattr; | |
431 | }; | |
432 | ||
433 | struct nfs3_symlinkargs { | |
434 | struct nfs_fh * fromfh; | |
435 | const char * fromname; | |
436 | unsigned int fromlen; | |
94a6d753 CL |
437 | struct page ** pages; |
438 | unsigned int pathlen; | |
1da177e4 LT |
439 | struct iattr * sattr; |
440 | }; | |
441 | ||
442 | struct nfs3_mknodargs { | |
443 | struct nfs_fh * fh; | |
444 | const char * name; | |
445 | unsigned int len; | |
446 | enum nfs3_ftype type; | |
447 | struct iattr * sattr; | |
448 | dev_t rdev; | |
449 | }; | |
450 | ||
451 | struct nfs3_renameargs { | |
452 | struct nfs_fh * fromfh; | |
453 | const char * fromname; | |
454 | unsigned int fromlen; | |
455 | struct nfs_fh * tofh; | |
456 | const char * toname; | |
457 | unsigned int tolen; | |
458 | }; | |
459 | ||
460 | struct nfs3_linkargs { | |
461 | struct nfs_fh * fromfh; | |
462 | struct nfs_fh * tofh; | |
463 | const char * toname; | |
464 | unsigned int tolen; | |
465 | }; | |
466 | ||
467 | struct nfs3_readdirargs { | |
468 | struct nfs_fh * fh; | |
469 | __u64 cookie; | |
bc4785cd | 470 | __be32 verf[2]; |
1da177e4 LT |
471 | int plus; |
472 | unsigned int count; | |
473 | struct page ** pages; | |
474 | }; | |
475 | ||
476 | struct nfs3_diropres { | |
477 | struct nfs_fattr * dir_attr; | |
478 | struct nfs_fh * fh; | |
479 | struct nfs_fattr * fattr; | |
480 | }; | |
481 | ||
482 | struct nfs3_accessres { | |
483 | struct nfs_fattr * fattr; | |
484 | __u32 access; | |
485 | }; | |
486 | ||
487 | struct nfs3_readlinkargs { | |
488 | struct nfs_fh * fh; | |
489 | unsigned int pgbase; | |
490 | unsigned int pglen; | |
491 | struct page ** pages; | |
492 | }; | |
493 | ||
494 | struct nfs3_renameres { | |
495 | struct nfs_fattr * fromattr; | |
496 | struct nfs_fattr * toattr; | |
497 | }; | |
498 | ||
499 | struct nfs3_linkres { | |
500 | struct nfs_fattr * dir_attr; | |
501 | struct nfs_fattr * fattr; | |
502 | }; | |
503 | ||
504 | struct nfs3_readdirres { | |
505 | struct nfs_fattr * dir_attr; | |
bc4785cd | 506 | __be32 * verf; |
1da177e4 LT |
507 | int plus; |
508 | }; | |
509 | ||
b7fa0554 AG |
510 | struct nfs3_getaclres { |
511 | struct nfs_fattr * fattr; | |
512 | int mask; | |
513 | unsigned int acl_access_count; | |
514 | unsigned int acl_default_count; | |
515 | struct posix_acl * acl_access; | |
516 | struct posix_acl * acl_default; | |
517 | }; | |
518 | ||
1da177e4 LT |
519 | #ifdef CONFIG_NFS_V4 |
520 | ||
521 | typedef u64 clientid4; | |
522 | ||
523 | struct nfs4_accessargs { | |
524 | const struct nfs_fh * fh; | |
525 | u32 access; | |
526 | }; | |
527 | ||
528 | struct nfs4_accessres { | |
529 | u32 supported; | |
530 | u32 access; | |
531 | }; | |
532 | ||
533 | struct nfs4_create_arg { | |
534 | u32 ftype; | |
535 | union { | |
94a6d753 CL |
536 | struct { |
537 | struct page ** pages; | |
538 | unsigned int len; | |
539 | } symlink; /* NF4LNK */ | |
1da177e4 LT |
540 | struct { |
541 | u32 specdata1; | |
542 | u32 specdata2; | |
543 | } device; /* NF4BLK, NF4CHR */ | |
544 | } u; | |
545 | const struct qstr * name; | |
546 | const struct nfs_server * server; | |
547 | const struct iattr * attrs; | |
548 | const struct nfs_fh * dir_fh; | |
549 | const u32 * bitmask; | |
550 | }; | |
551 | ||
552 | struct nfs4_create_res { | |
553 | const struct nfs_server * server; | |
554 | struct nfs_fh * fh; | |
555 | struct nfs_fattr * fattr; | |
556 | struct nfs4_change_info dir_cinfo; | |
56ae19f3 | 557 | struct nfs_fattr * dir_fattr; |
1da177e4 LT |
558 | }; |
559 | ||
560 | struct nfs4_fsinfo_arg { | |
561 | const struct nfs_fh * fh; | |
562 | const u32 * bitmask; | |
563 | }; | |
564 | ||
565 | struct nfs4_getattr_arg { | |
566 | const struct nfs_fh * fh; | |
567 | const u32 * bitmask; | |
568 | }; | |
569 | ||
570 | struct nfs4_getattr_res { | |
571 | const struct nfs_server * server; | |
572 | struct nfs_fattr * fattr; | |
573 | }; | |
574 | ||
575 | struct nfs4_link_arg { | |
576 | const struct nfs_fh * fh; | |
577 | const struct nfs_fh * dir_fh; | |
578 | const struct qstr * name; | |
91ba2eee TM |
579 | const u32 * bitmask; |
580 | }; | |
581 | ||
582 | struct nfs4_link_res { | |
583 | const struct nfs_server * server; | |
584 | struct nfs_fattr * fattr; | |
585 | struct nfs4_change_info cinfo; | |
586 | struct nfs_fattr * dir_attr; | |
1da177e4 LT |
587 | }; |
588 | ||
91ba2eee | 589 | |
1da177e4 LT |
590 | struct nfs4_lookup_arg { |
591 | const struct nfs_fh * dir_fh; | |
592 | const struct qstr * name; | |
593 | const u32 * bitmask; | |
594 | }; | |
595 | ||
596 | struct nfs4_lookup_res { | |
597 | const struct nfs_server * server; | |
598 | struct nfs_fattr * fattr; | |
599 | struct nfs_fh * fh; | |
600 | }; | |
601 | ||
602 | struct nfs4_lookup_root_arg { | |
603 | const u32 * bitmask; | |
604 | }; | |
605 | ||
606 | struct nfs4_pathconf_arg { | |
607 | const struct nfs_fh * fh; | |
608 | const u32 * bitmask; | |
609 | }; | |
610 | ||
611 | struct nfs4_readdir_arg { | |
612 | const struct nfs_fh * fh; | |
613 | u64 cookie; | |
614 | nfs4_verifier verifier; | |
615 | u32 count; | |
616 | struct page ** pages; /* zero-copy data */ | |
617 | unsigned int pgbase; /* zero-copy data */ | |
618 | const u32 * bitmask; | |
619 | }; | |
620 | ||
621 | struct nfs4_readdir_res { | |
622 | nfs4_verifier verifier; | |
623 | unsigned int pgbase; | |
624 | }; | |
625 | ||
626 | struct nfs4_readlink { | |
627 | const struct nfs_fh * fh; | |
628 | unsigned int pgbase; | |
629 | unsigned int pglen; /* zero-copy data */ | |
630 | struct page ** pages; /* zero-copy data */ | |
631 | }; | |
632 | ||
633 | struct nfs4_remove_arg { | |
634 | const struct nfs_fh * fh; | |
635 | const struct qstr * name; | |
16e42959 TM |
636 | const u32 * bitmask; |
637 | }; | |
638 | ||
639 | struct nfs4_remove_res { | |
640 | const struct nfs_server * server; | |
641 | struct nfs4_change_info cinfo; | |
642 | struct nfs_fattr * dir_attr; | |
1da177e4 LT |
643 | }; |
644 | ||
645 | struct nfs4_rename_arg { | |
646 | const struct nfs_fh * old_dir; | |
647 | const struct nfs_fh * new_dir; | |
648 | const struct qstr * old_name; | |
649 | const struct qstr * new_name; | |
6caf2c82 | 650 | const u32 * bitmask; |
1da177e4 LT |
651 | }; |
652 | ||
653 | struct nfs4_rename_res { | |
6caf2c82 | 654 | const struct nfs_server * server; |
1da177e4 | 655 | struct nfs4_change_info old_cinfo; |
6caf2c82 | 656 | struct nfs_fattr * old_fattr; |
1da177e4 | 657 | struct nfs4_change_info new_cinfo; |
6caf2c82 | 658 | struct nfs_fattr * new_fattr; |
1da177e4 LT |
659 | }; |
660 | ||
661 | struct nfs4_setclientid { | |
662 | const nfs4_verifier * sc_verifier; /* request */ | |
663 | unsigned int sc_name_len; | |
3cedf13a | 664 | char sc_name[48]; /* request */ |
1da177e4 LT |
665 | u32 sc_prog; /* request */ |
666 | unsigned int sc_netid_len; | |
667 | char sc_netid[4]; /* request */ | |
668 | unsigned int sc_uaddr_len; | |
669 | char sc_uaddr[24]; /* request */ | |
670 | u32 sc_cb_ident; /* request */ | |
671 | }; | |
672 | ||
673 | struct nfs4_statfs_arg { | |
674 | const struct nfs_fh * fh; | |
675 | const u32 * bitmask; | |
676 | }; | |
677 | ||
678 | struct nfs4_server_caps_res { | |
679 | u32 attr_bitmask[2]; | |
680 | u32 acl_bitmask; | |
681 | u32 has_links; | |
682 | u32 has_symlinks; | |
683 | }; | |
684 | ||
7aaa0b3b MN |
685 | struct nfs4_string { |
686 | unsigned int len; | |
687 | char *data; | |
683b57b4 TM |
688 | }; |
689 | ||
7aaa0b3b MN |
690 | #define NFS4_PATHNAME_MAXCOMPONENTS 512 |
691 | struct nfs4_pathname { | |
692 | unsigned int ncomponents; | |
693 | struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS]; | |
694 | }; | |
695 | ||
696 | #define NFS4_FS_LOCATION_MAXSERVERS 10 | |
697 | struct nfs4_fs_location { | |
698 | unsigned int nservers; | |
699 | struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS]; | |
700 | struct nfs4_pathname rootpath; | |
701 | }; | |
702 | ||
703 | #define NFS4_FS_LOCATIONS_MAXENTRIES 10 | |
704 | struct nfs4_fs_locations { | |
683b57b4 TM |
705 | struct nfs_fattr fattr; |
706 | const struct nfs_server *server; | |
7aaa0b3b | 707 | struct nfs4_pathname fs_path; |
683b57b4 | 708 | int nlocations; |
7aaa0b3b | 709 | struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES]; |
683b57b4 TM |
710 | }; |
711 | ||
712 | struct nfs4_fs_locations_arg { | |
713 | const struct nfs_fh *dir_fh; | |
714 | const struct qstr *name; | |
715 | struct page *page; | |
716 | const u32 *bitmask; | |
717 | }; | |
718 | ||
1da177e4 LT |
719 | #endif /* CONFIG_NFS_V4 */ |
720 | ||
721 | struct nfs_page; | |
722 | ||
40859d7e CL |
723 | #define NFS_PAGEVEC_SIZE (8U) |
724 | ||
1da177e4 LT |
725 | struct nfs_read_data { |
726 | int flags; | |
727 | struct rpc_task task; | |
728 | struct inode *inode; | |
729 | struct rpc_cred *cred; | |
730 | struct nfs_fattr fattr; /* fattr storage */ | |
731 | struct list_head pages; /* Coalesced read requests */ | |
732 | struct nfs_page *req; /* multi ops per nfs_page */ | |
40859d7e | 733 | struct page **pagevec; |
e9f7bee1 | 734 | unsigned int npages; /* Max length of pagevec */ |
1da177e4 LT |
735 | struct nfs_readargs args; |
736 | struct nfs_readres res; | |
737 | #ifdef CONFIG_NFS_V4 | |
738 | unsigned long timestamp; /* For lease renewal */ | |
739 | #endif | |
0d0b5cb3 | 740 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
1da177e4 LT |
741 | }; |
742 | ||
743 | struct nfs_write_data { | |
744 | int flags; | |
745 | struct rpc_task task; | |
746 | struct inode *inode; | |
747 | struct rpc_cred *cred; | |
748 | struct nfs_fattr fattr; | |
749 | struct nfs_writeverf verf; | |
750 | struct list_head pages; /* Coalesced requests we wish to flush */ | |
751 | struct nfs_page *req; /* multi ops per nfs_page */ | |
40859d7e | 752 | struct page **pagevec; |
e9f7bee1 | 753 | unsigned int npages; /* Max length of pagevec */ |
1da177e4 LT |
754 | struct nfs_writeargs args; /* argument struct */ |
755 | struct nfs_writeres res; /* result struct */ | |
756 | #ifdef CONFIG_NFS_V4 | |
757 | unsigned long timestamp; /* For lease renewal */ | |
758 | #endif | |
0d0b5cb3 | 759 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
1da177e4 LT |
760 | }; |
761 | ||
762 | struct nfs_access_entry; | |
763 | ||
764 | /* | |
765 | * RPC procedure vector for NFSv2/NFSv3 demuxing | |
766 | */ | |
767 | struct nfs_rpc_ops { | |
768 | int version; /* Protocol version */ | |
769 | struct dentry_operations *dentry_ops; | |
c5ef1c42 AV |
770 | const struct inode_operations *dir_inode_ops; |
771 | const struct inode_operations *file_inode_ops; | |
1da177e4 LT |
772 | |
773 | int (*getroot) (struct nfs_server *, struct nfs_fh *, | |
774 | struct nfs_fsinfo *); | |
2b3de441 DH |
775 | int (*lookupfh)(struct nfs_server *, struct nfs_fh *, |
776 | struct qstr *, struct nfs_fh *, | |
777 | struct nfs_fattr *); | |
1da177e4 LT |
778 | int (*getattr) (struct nfs_server *, struct nfs_fh *, |
779 | struct nfs_fattr *); | |
780 | int (*setattr) (struct dentry *, struct nfs_fattr *, | |
781 | struct iattr *); | |
782 | int (*lookup) (struct inode *, struct qstr *, | |
783 | struct nfs_fh *, struct nfs_fattr *); | |
784 | int (*access) (struct inode *, struct nfs_access_entry *); | |
785 | int (*readlink)(struct inode *, struct page *, unsigned int, | |
786 | unsigned int); | |
1da177e4 | 787 | int (*create) (struct inode *, struct dentry *, |
02a913a7 | 788 | struct iattr *, int, struct nameidata *); |
1da177e4 LT |
789 | int (*remove) (struct inode *, struct qstr *); |
790 | int (*unlink_setup) (struct rpc_message *, | |
791 | struct dentry *, struct qstr *); | |
792 | int (*unlink_done) (struct dentry *, struct rpc_task *); | |
793 | int (*rename) (struct inode *, struct qstr *, | |
794 | struct inode *, struct qstr *); | |
795 | int (*link) (struct inode *, struct inode *, struct qstr *); | |
94a6d753 CL |
796 | int (*symlink) (struct inode *, struct dentry *, struct page *, |
797 | unsigned int, struct iattr *); | |
1da177e4 LT |
798 | int (*mkdir) (struct inode *, struct dentry *, struct iattr *); |
799 | int (*rmdir) (struct inode *, struct qstr *); | |
800 | int (*readdir) (struct dentry *, struct rpc_cred *, | |
801 | u64, struct page *, unsigned int, int); | |
802 | int (*mknod) (struct inode *, struct dentry *, struct iattr *, | |
803 | dev_t); | |
804 | int (*statfs) (struct nfs_server *, struct nfs_fh *, | |
805 | struct nfs_fsstat *); | |
806 | int (*fsinfo) (struct nfs_server *, struct nfs_fh *, | |
807 | struct nfs_fsinfo *); | |
808 | int (*pathconf) (struct nfs_server *, struct nfs_fh *, | |
809 | struct nfs_pathconf *); | |
e9326dca | 810 | int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); |
0dbb4c67 | 811 | __be32 *(*decode_dirent)(__be32 *, struct nfs_entry *, int plus); |
1da177e4 | 812 | void (*read_setup) (struct nfs_read_data *); |
ec06c096 | 813 | int (*read_done) (struct rpc_task *, struct nfs_read_data *); |
1da177e4 | 814 | void (*write_setup) (struct nfs_write_data *, int how); |
788e7a89 | 815 | int (*write_done) (struct rpc_task *, struct nfs_write_data *); |
1da177e4 | 816 | void (*commit_setup) (struct nfs_write_data *, int how); |
788e7a89 | 817 | int (*commit_done) (struct rpc_task *, struct nfs_write_data *); |
1da177e4 LT |
818 | int (*file_open) (struct inode *, struct file *); |
819 | int (*file_release) (struct inode *, struct file *); | |
820 | int (*lock)(struct file *, int, struct file_lock *); | |
ada70d94 | 821 | void (*clear_acl_cache)(struct inode *); |
1da177e4 LT |
822 | }; |
823 | ||
824 | /* | |
825 | * NFS_CALL(getattr, inode, (fattr)); | |
826 | * into | |
827 | * NFS_PROTO(inode)->getattr(fattr); | |
828 | */ | |
829 | #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args | |
830 | ||
831 | /* | |
832 | * Function vectors etc. for the NFS client | |
833 | */ | |
509de811 DH |
834 | extern const struct nfs_rpc_ops nfs_v2_clientops; |
835 | extern const struct nfs_rpc_ops nfs_v3_clientops; | |
836 | extern const struct nfs_rpc_ops nfs_v4_clientops; | |
1da177e4 LT |
837 | extern struct rpc_version nfs_version2; |
838 | extern struct rpc_version nfs_version3; | |
839 | extern struct rpc_version nfs_version4; | |
840 | ||
b7fa0554 AG |
841 | extern struct rpc_version nfsacl_version3; |
842 | extern struct rpc_program nfsacl_program; | |
843 | ||
1da177e4 | 844 | #endif |