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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 */ |
70ca8852 TM |
65 | #define NFS_ATTR_WCC_V4 0x0010 /* pre-op change attribute */ |
66 | #define NFS_ATTR_FATTR_V4_REFERRAL 0x0020 /* NFSv4 referral */ | |
1da177e4 LT |
67 | |
68 | /* | |
69 | * Info on the file system | |
70 | */ | |
71 | struct nfs_fsinfo { | |
72 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
73 | __u32 rtmax; /* max. read transfer size */ | |
74 | __u32 rtpref; /* pref. read transfer size */ | |
75 | __u32 rtmult; /* reads should be multiple of this */ | |
76 | __u32 wtmax; /* max. write transfer size */ | |
77 | __u32 wtpref; /* pref. write transfer size */ | |
78 | __u32 wtmult; /* writes should be multiple of this */ | |
79 | __u32 dtpref; /* pref. readdir transfer size */ | |
80 | __u64 maxfilesize; | |
81 | __u32 lease_time; /* in seconds */ | |
82 | }; | |
83 | ||
84 | struct nfs_fsstat { | |
85 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
86 | __u64 tbytes; /* total size in bytes */ | |
87 | __u64 fbytes; /* # of free bytes */ | |
88 | __u64 abytes; /* # of bytes available to user */ | |
89 | __u64 tfiles; /* # of files */ | |
90 | __u64 ffiles; /* # of free files */ | |
91 | __u64 afiles; /* # of files available to user */ | |
92 | }; | |
93 | ||
94 | struct nfs2_fsstat { | |
95 | __u32 tsize; /* Server transfer size */ | |
96 | __u32 bsize; /* Filesystem block size */ | |
97 | __u32 blocks; /* No. of "bsize" blocks on filesystem */ | |
98 | __u32 bfree; /* No. of free "bsize" blocks */ | |
99 | __u32 bavail; /* No. of available "bsize" blocks */ | |
100 | }; | |
101 | ||
102 | struct nfs_pathconf { | |
103 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
104 | __u32 max_link; /* max # of hard links */ | |
105 | __u32 max_namelen; /* max name length */ | |
106 | }; | |
107 | ||
108 | struct nfs4_change_info { | |
109 | u32 atomic; | |
110 | u64 before; | |
111 | u64 after; | |
112 | }; | |
113 | ||
cee54fc9 | 114 | struct nfs_seqid; |
1da177e4 LT |
115 | /* |
116 | * Arguments to the open call. | |
117 | */ | |
118 | struct nfs_openargs { | |
119 | const struct nfs_fh * fh; | |
cee54fc9 | 120 | struct nfs_seqid * seqid; |
1da177e4 LT |
121 | int open_flags; |
122 | __u64 clientid; | |
9f958ab8 | 123 | __u64 id; |
1da177e4 LT |
124 | union { |
125 | struct iattr * attrs; /* UNCHECKED, GUARDED */ | |
126 | nfs4_verifier verifier; /* EXCLUSIVE */ | |
127 | nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ | |
128 | int delegation_type; /* CLAIM_PREVIOUS */ | |
129 | } u; | |
130 | const struct qstr * name; | |
131 | const struct nfs_server *server; /* Needed for ID mapping */ | |
132 | const u32 * bitmask; | |
133 | __u32 claim; | |
134 | }; | |
135 | ||
136 | struct nfs_openres { | |
137 | nfs4_stateid stateid; | |
138 | struct nfs_fh fh; | |
139 | struct nfs4_change_info cinfo; | |
140 | __u32 rflags; | |
141 | struct nfs_fattr * f_attr; | |
56ae19f3 | 142 | struct nfs_fattr * dir_attr; |
1da177e4 LT |
143 | const struct nfs_server *server; |
144 | int delegation_type; | |
145 | nfs4_stateid delegation; | |
146 | __u32 do_recall; | |
147 | __u64 maxsize; | |
aa53ed54 | 148 | __u32 attrset[NFS4_BITMAP_SIZE]; |
1da177e4 LT |
149 | }; |
150 | ||
151 | /* | |
152 | * Arguments to the open_confirm call. | |
153 | */ | |
154 | struct nfs_open_confirmargs { | |
155 | const struct nfs_fh * fh; | |
cdd4e68b | 156 | nfs4_stateid * stateid; |
cee54fc9 | 157 | struct nfs_seqid * seqid; |
1da177e4 LT |
158 | }; |
159 | ||
160 | struct nfs_open_confirmres { | |
161 | nfs4_stateid stateid; | |
162 | }; | |
163 | ||
164 | /* | |
165 | * Arguments to the close call. | |
166 | */ | |
167 | struct nfs_closeargs { | |
168 | struct nfs_fh * fh; | |
9512135d | 169 | nfs4_stateid * stateid; |
cee54fc9 | 170 | struct nfs_seqid * seqid; |
1da177e4 | 171 | int open_flags; |
516a6af6 | 172 | const u32 * bitmask; |
1da177e4 LT |
173 | }; |
174 | ||
175 | struct nfs_closeres { | |
176 | nfs4_stateid stateid; | |
516a6af6 TM |
177 | struct nfs_fattr * fattr; |
178 | const struct nfs_server *server; | |
1da177e4 LT |
179 | }; |
180 | /* | |
181 | * * Arguments to the lock,lockt, and locku call. | |
182 | * */ | |
183 | struct nfs_lowner { | |
911d1aaf | 184 | __u64 clientid; |
9f958ab8 | 185 | __u64 id; |
1da177e4 LT |
186 | }; |
187 | ||
911d1aaf TM |
188 | struct nfs_lock_args { |
189 | struct nfs_fh * fh; | |
190 | struct file_lock * fl; | |
cee54fc9 | 191 | struct nfs_seqid * lock_seqid; |
06735b34 TM |
192 | nfs4_stateid * lock_stateid; |
193 | struct nfs_seqid * open_seqid; | |
194 | nfs4_stateid * open_stateid; | |
911d1aaf TM |
195 | struct nfs_lowner lock_owner; |
196 | unsigned char block : 1; | |
197 | unsigned char reclaim : 1; | |
198 | unsigned char new_lock_owner : 1; | |
199 | }; | |
200 | ||
201 | struct nfs_lock_res { | |
202 | nfs4_stateid stateid; | |
1da177e4 LT |
203 | }; |
204 | ||
911d1aaf TM |
205 | struct nfs_locku_args { |
206 | struct nfs_fh * fh; | |
207 | struct file_lock * fl; | |
cee54fc9 | 208 | struct nfs_seqid * seqid; |
faf5f49c | 209 | nfs4_stateid * stateid; |
1da177e4 LT |
210 | }; |
211 | ||
911d1aaf TM |
212 | struct nfs_locku_res { |
213 | nfs4_stateid stateid; | |
1da177e4 LT |
214 | }; |
215 | ||
911d1aaf TM |
216 | struct nfs_lockt_args { |
217 | struct nfs_fh * fh; | |
218 | struct file_lock * fl; | |
219 | struct nfs_lowner lock_owner; | |
1da177e4 LT |
220 | }; |
221 | ||
911d1aaf TM |
222 | struct nfs_lockt_res { |
223 | struct file_lock * denied; /* LOCK, LOCKT failed */ | |
1da177e4 LT |
224 | }; |
225 | ||
226 | struct nfs4_delegreturnargs { | |
227 | const struct nfs_fh *fhandle; | |
228 | const nfs4_stateid *stateid; | |
fa178f29 TM |
229 | const u32 * bitmask; |
230 | }; | |
231 | ||
232 | struct nfs4_delegreturnres { | |
233 | struct nfs_fattr * fattr; | |
234 | const struct nfs_server *server; | |
1da177e4 LT |
235 | }; |
236 | ||
237 | /* | |
238 | * Arguments to the read call. | |
239 | */ | |
1da177e4 LT |
240 | struct nfs_readargs { |
241 | struct nfs_fh * fh; | |
242 | struct nfs_open_context *context; | |
243 | __u64 offset; | |
244 | __u32 count; | |
245 | unsigned int pgbase; | |
246 | struct page ** pages; | |
247 | }; | |
248 | ||
249 | struct nfs_readres { | |
250 | struct nfs_fattr * fattr; | |
251 | __u32 count; | |
252 | int eof; | |
253 | }; | |
254 | ||
255 | /* | |
256 | * Arguments to the write call. | |
257 | */ | |
1da177e4 LT |
258 | struct nfs_writeargs { |
259 | struct nfs_fh * fh; | |
260 | struct nfs_open_context *context; | |
261 | __u64 offset; | |
262 | __u32 count; | |
263 | enum nfs3_stable_how stable; | |
264 | unsigned int pgbase; | |
265 | struct page ** pages; | |
4f9838c7 | 266 | const u32 * bitmask; |
1da177e4 LT |
267 | }; |
268 | ||
269 | struct nfs_writeverf { | |
270 | enum nfs3_stable_how committed; | |
bc4785cd | 271 | __be32 verifier[2]; |
1da177e4 LT |
272 | }; |
273 | ||
274 | struct nfs_writeres { | |
275 | struct nfs_fattr * fattr; | |
276 | struct nfs_writeverf * verf; | |
277 | __u32 count; | |
4f9838c7 | 278 | const struct nfs_server *server; |
1da177e4 LT |
279 | }; |
280 | ||
4fdc17b2 TM |
281 | /* |
282 | * Common arguments to the unlink call | |
283 | */ | |
284 | struct nfs_removeargs { | |
285 | const struct nfs_fh *fh; | |
286 | struct qstr name; | |
287 | const u32 * bitmask; | |
288 | }; | |
289 | ||
290 | struct nfs_removeres { | |
291 | const struct nfs_server *server; | |
292 | struct nfs4_change_info cinfo; | |
293 | struct nfs_fattr dir_attr; | |
294 | }; | |
295 | ||
1da177e4 LT |
296 | /* |
297 | * Argument struct for decode_entry function | |
298 | */ | |
299 | struct nfs_entry { | |
300 | __u64 ino; | |
301 | __u64 cookie, | |
302 | prev_cookie; | |
303 | const char * name; | |
304 | unsigned int len; | |
305 | int eof; | |
306 | struct nfs_fh * fh; | |
307 | struct nfs_fattr * fattr; | |
308 | }; | |
309 | ||
310 | /* | |
311 | * The following types are for NFSv2 only. | |
312 | */ | |
313 | struct nfs_sattrargs { | |
314 | struct nfs_fh * fh; | |
315 | struct iattr * sattr; | |
316 | }; | |
317 | ||
318 | struct nfs_diropargs { | |
319 | struct nfs_fh * fh; | |
320 | const char * name; | |
321 | unsigned int len; | |
322 | }; | |
323 | ||
324 | struct nfs_createargs { | |
325 | struct nfs_fh * fh; | |
326 | const char * name; | |
327 | unsigned int len; | |
328 | struct iattr * sattr; | |
329 | }; | |
330 | ||
331 | struct nfs_renameargs { | |
332 | struct nfs_fh * fromfh; | |
333 | const char * fromname; | |
334 | unsigned int fromlen; | |
335 | struct nfs_fh * tofh; | |
336 | const char * toname; | |
337 | unsigned int tolen; | |
338 | }; | |
339 | ||
340 | struct nfs_setattrargs { | |
341 | struct nfs_fh * fh; | |
342 | nfs4_stateid stateid; | |
343 | struct iattr * iap; | |
344 | const struct nfs_server * server; /* Needed for name mapping */ | |
345 | const u32 * bitmask; | |
346 | }; | |
347 | ||
23ec6965 BF |
348 | struct nfs_setaclargs { |
349 | struct nfs_fh * fh; | |
350 | size_t acl_len; | |
351 | unsigned int acl_pgbase; | |
352 | struct page ** acl_pages; | |
353 | }; | |
354 | ||
029d105e BF |
355 | struct nfs_getaclargs { |
356 | struct nfs_fh * fh; | |
357 | size_t acl_len; | |
358 | unsigned int acl_pgbase; | |
359 | struct page ** acl_pages; | |
360 | }; | |
361 | ||
1da177e4 LT |
362 | struct nfs_setattrres { |
363 | struct nfs_fattr * fattr; | |
364 | const struct nfs_server * server; | |
365 | }; | |
366 | ||
367 | struct nfs_linkargs { | |
368 | struct nfs_fh * fromfh; | |
369 | struct nfs_fh * tofh; | |
370 | const char * toname; | |
371 | unsigned int tolen; | |
372 | }; | |
373 | ||
374 | struct nfs_symlinkargs { | |
375 | struct nfs_fh * fromfh; | |
376 | const char * fromname; | |
377 | unsigned int fromlen; | |
94a6d753 CL |
378 | struct page ** pages; |
379 | unsigned int pathlen; | |
1da177e4 LT |
380 | struct iattr * sattr; |
381 | }; | |
382 | ||
383 | struct nfs_readdirargs { | |
384 | struct nfs_fh * fh; | |
385 | __u32 cookie; | |
386 | unsigned int count; | |
387 | struct page ** pages; | |
388 | }; | |
389 | ||
b7fa0554 AG |
390 | struct nfs3_getaclargs { |
391 | struct nfs_fh * fh; | |
392 | int mask; | |
393 | struct page ** pages; | |
394 | }; | |
395 | ||
396 | struct nfs3_setaclargs { | |
397 | struct inode * inode; | |
398 | int mask; | |
399 | struct posix_acl * acl_access; | |
400 | struct posix_acl * acl_default; | |
401 | struct page ** pages; | |
402 | }; | |
403 | ||
1da177e4 LT |
404 | struct nfs_diropok { |
405 | struct nfs_fh * fh; | |
406 | struct nfs_fattr * fattr; | |
407 | }; | |
408 | ||
409 | struct nfs_readlinkargs { | |
410 | struct nfs_fh * fh; | |
411 | unsigned int pgbase; | |
412 | unsigned int pglen; | |
413 | struct page ** pages; | |
414 | }; | |
415 | ||
416 | struct nfs3_sattrargs { | |
417 | struct nfs_fh * fh; | |
418 | struct iattr * sattr; | |
419 | unsigned int guard; | |
420 | struct timespec guardtime; | |
421 | }; | |
422 | ||
423 | struct nfs3_diropargs { | |
424 | struct nfs_fh * fh; | |
425 | const char * name; | |
426 | unsigned int len; | |
427 | }; | |
428 | ||
429 | struct nfs3_accessargs { | |
430 | struct nfs_fh * fh; | |
431 | __u32 access; | |
432 | }; | |
433 | ||
434 | struct nfs3_createargs { | |
435 | struct nfs_fh * fh; | |
436 | const char * name; | |
437 | unsigned int len; | |
438 | struct iattr * sattr; | |
439 | enum nfs3_createmode createmode; | |
bc4785cd | 440 | __be32 verifier[2]; |
1da177e4 LT |
441 | }; |
442 | ||
443 | struct nfs3_mkdirargs { | |
444 | struct nfs_fh * fh; | |
445 | const char * name; | |
446 | unsigned int len; | |
447 | struct iattr * sattr; | |
448 | }; | |
449 | ||
450 | struct nfs3_symlinkargs { | |
451 | struct nfs_fh * fromfh; | |
452 | const char * fromname; | |
453 | unsigned int fromlen; | |
94a6d753 CL |
454 | struct page ** pages; |
455 | unsigned int pathlen; | |
1da177e4 LT |
456 | struct iattr * sattr; |
457 | }; | |
458 | ||
459 | struct nfs3_mknodargs { | |
460 | struct nfs_fh * fh; | |
461 | const char * name; | |
462 | unsigned int len; | |
463 | enum nfs3_ftype type; | |
464 | struct iattr * sattr; | |
465 | dev_t rdev; | |
466 | }; | |
467 | ||
468 | struct nfs3_renameargs { | |
469 | struct nfs_fh * fromfh; | |
470 | const char * fromname; | |
471 | unsigned int fromlen; | |
472 | struct nfs_fh * tofh; | |
473 | const char * toname; | |
474 | unsigned int tolen; | |
475 | }; | |
476 | ||
477 | struct nfs3_linkargs { | |
478 | struct nfs_fh * fromfh; | |
479 | struct nfs_fh * tofh; | |
480 | const char * toname; | |
481 | unsigned int tolen; | |
482 | }; | |
483 | ||
484 | struct nfs3_readdirargs { | |
485 | struct nfs_fh * fh; | |
486 | __u64 cookie; | |
bc4785cd | 487 | __be32 verf[2]; |
1da177e4 LT |
488 | int plus; |
489 | unsigned int count; | |
490 | struct page ** pages; | |
491 | }; | |
492 | ||
493 | struct nfs3_diropres { | |
494 | struct nfs_fattr * dir_attr; | |
495 | struct nfs_fh * fh; | |
496 | struct nfs_fattr * fattr; | |
497 | }; | |
498 | ||
499 | struct nfs3_accessres { | |
500 | struct nfs_fattr * fattr; | |
501 | __u32 access; | |
502 | }; | |
503 | ||
504 | struct nfs3_readlinkargs { | |
505 | struct nfs_fh * fh; | |
506 | unsigned int pgbase; | |
507 | unsigned int pglen; | |
508 | struct page ** pages; | |
509 | }; | |
510 | ||
511 | struct nfs3_renameres { | |
512 | struct nfs_fattr * fromattr; | |
513 | struct nfs_fattr * toattr; | |
514 | }; | |
515 | ||
516 | struct nfs3_linkres { | |
517 | struct nfs_fattr * dir_attr; | |
518 | struct nfs_fattr * fattr; | |
519 | }; | |
520 | ||
521 | struct nfs3_readdirres { | |
522 | struct nfs_fattr * dir_attr; | |
bc4785cd | 523 | __be32 * verf; |
1da177e4 LT |
524 | int plus; |
525 | }; | |
526 | ||
b7fa0554 AG |
527 | struct nfs3_getaclres { |
528 | struct nfs_fattr * fattr; | |
529 | int mask; | |
530 | unsigned int acl_access_count; | |
531 | unsigned int acl_default_count; | |
532 | struct posix_acl * acl_access; | |
533 | struct posix_acl * acl_default; | |
534 | }; | |
535 | ||
1da177e4 LT |
536 | #ifdef CONFIG_NFS_V4 |
537 | ||
538 | typedef u64 clientid4; | |
539 | ||
540 | struct nfs4_accessargs { | |
541 | const struct nfs_fh * fh; | |
76b32999 | 542 | const u32 * bitmask; |
1da177e4 LT |
543 | u32 access; |
544 | }; | |
545 | ||
546 | struct nfs4_accessres { | |
76b32999 TM |
547 | const struct nfs_server * server; |
548 | struct nfs_fattr * fattr; | |
1da177e4 LT |
549 | u32 supported; |
550 | u32 access; | |
551 | }; | |
552 | ||
553 | struct nfs4_create_arg { | |
554 | u32 ftype; | |
555 | union { | |
94a6d753 CL |
556 | struct { |
557 | struct page ** pages; | |
558 | unsigned int len; | |
559 | } symlink; /* NF4LNK */ | |
1da177e4 LT |
560 | struct { |
561 | u32 specdata1; | |
562 | u32 specdata2; | |
563 | } device; /* NF4BLK, NF4CHR */ | |
564 | } u; | |
565 | const struct qstr * name; | |
566 | const struct nfs_server * server; | |
567 | const struct iattr * attrs; | |
568 | const struct nfs_fh * dir_fh; | |
569 | const u32 * bitmask; | |
570 | }; | |
571 | ||
572 | struct nfs4_create_res { | |
573 | const struct nfs_server * server; | |
574 | struct nfs_fh * fh; | |
575 | struct nfs_fattr * fattr; | |
576 | struct nfs4_change_info dir_cinfo; | |
56ae19f3 | 577 | struct nfs_fattr * dir_fattr; |
1da177e4 LT |
578 | }; |
579 | ||
580 | struct nfs4_fsinfo_arg { | |
581 | const struct nfs_fh * fh; | |
582 | const u32 * bitmask; | |
583 | }; | |
584 | ||
585 | struct nfs4_getattr_arg { | |
586 | const struct nfs_fh * fh; | |
587 | const u32 * bitmask; | |
588 | }; | |
589 | ||
590 | struct nfs4_getattr_res { | |
591 | const struct nfs_server * server; | |
592 | struct nfs_fattr * fattr; | |
593 | }; | |
594 | ||
595 | struct nfs4_link_arg { | |
596 | const struct nfs_fh * fh; | |
597 | const struct nfs_fh * dir_fh; | |
598 | const struct qstr * name; | |
91ba2eee TM |
599 | const u32 * bitmask; |
600 | }; | |
601 | ||
602 | struct nfs4_link_res { | |
603 | const struct nfs_server * server; | |
604 | struct nfs_fattr * fattr; | |
605 | struct nfs4_change_info cinfo; | |
606 | struct nfs_fattr * dir_attr; | |
1da177e4 LT |
607 | }; |
608 | ||
91ba2eee | 609 | |
1da177e4 LT |
610 | struct nfs4_lookup_arg { |
611 | const struct nfs_fh * dir_fh; | |
612 | const struct qstr * name; | |
613 | const u32 * bitmask; | |
614 | }; | |
615 | ||
616 | struct nfs4_lookup_res { | |
617 | const struct nfs_server * server; | |
618 | struct nfs_fattr * fattr; | |
619 | struct nfs_fh * fh; | |
620 | }; | |
621 | ||
622 | struct nfs4_lookup_root_arg { | |
623 | const u32 * bitmask; | |
624 | }; | |
625 | ||
626 | struct nfs4_pathconf_arg { | |
627 | const struct nfs_fh * fh; | |
628 | const u32 * bitmask; | |
629 | }; | |
630 | ||
631 | struct nfs4_readdir_arg { | |
632 | const struct nfs_fh * fh; | |
633 | u64 cookie; | |
634 | nfs4_verifier verifier; | |
635 | u32 count; | |
636 | struct page ** pages; /* zero-copy data */ | |
637 | unsigned int pgbase; /* zero-copy data */ | |
638 | const u32 * bitmask; | |
639 | }; | |
640 | ||
641 | struct nfs4_readdir_res { | |
642 | nfs4_verifier verifier; | |
643 | unsigned int pgbase; | |
644 | }; | |
645 | ||
646 | struct nfs4_readlink { | |
647 | const struct nfs_fh * fh; | |
648 | unsigned int pgbase; | |
649 | unsigned int pglen; /* zero-copy data */ | |
650 | struct page ** pages; /* zero-copy data */ | |
651 | }; | |
652 | ||
1da177e4 LT |
653 | struct nfs4_rename_arg { |
654 | const struct nfs_fh * old_dir; | |
655 | const struct nfs_fh * new_dir; | |
656 | const struct qstr * old_name; | |
657 | const struct qstr * new_name; | |
6caf2c82 | 658 | const u32 * bitmask; |
1da177e4 LT |
659 | }; |
660 | ||
661 | struct nfs4_rename_res { | |
6caf2c82 | 662 | const struct nfs_server * server; |
1da177e4 | 663 | struct nfs4_change_info old_cinfo; |
6caf2c82 | 664 | struct nfs_fattr * old_fattr; |
1da177e4 | 665 | struct nfs4_change_info new_cinfo; |
6caf2c82 | 666 | struct nfs_fattr * new_fattr; |
1da177e4 LT |
667 | }; |
668 | ||
669 | struct nfs4_setclientid { | |
670 | const nfs4_verifier * sc_verifier; /* request */ | |
671 | unsigned int sc_name_len; | |
3cedf13a | 672 | char sc_name[48]; /* request */ |
1da177e4 LT |
673 | u32 sc_prog; /* request */ |
674 | unsigned int sc_netid_len; | |
675 | char sc_netid[4]; /* request */ | |
676 | unsigned int sc_uaddr_len; | |
677 | char sc_uaddr[24]; /* request */ | |
678 | u32 sc_cb_ident; /* request */ | |
679 | }; | |
680 | ||
681 | struct nfs4_statfs_arg { | |
682 | const struct nfs_fh * fh; | |
683 | const u32 * bitmask; | |
684 | }; | |
685 | ||
686 | struct nfs4_server_caps_res { | |
687 | u32 attr_bitmask[2]; | |
688 | u32 acl_bitmask; | |
689 | u32 has_links; | |
690 | u32 has_symlinks; | |
691 | }; | |
692 | ||
7aaa0b3b MN |
693 | struct nfs4_string { |
694 | unsigned int len; | |
695 | char *data; | |
683b57b4 TM |
696 | }; |
697 | ||
7aaa0b3b MN |
698 | #define NFS4_PATHNAME_MAXCOMPONENTS 512 |
699 | struct nfs4_pathname { | |
700 | unsigned int ncomponents; | |
701 | struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS]; | |
702 | }; | |
703 | ||
704 | #define NFS4_FS_LOCATION_MAXSERVERS 10 | |
705 | struct nfs4_fs_location { | |
706 | unsigned int nservers; | |
707 | struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS]; | |
708 | struct nfs4_pathname rootpath; | |
709 | }; | |
710 | ||
711 | #define NFS4_FS_LOCATIONS_MAXENTRIES 10 | |
712 | struct nfs4_fs_locations { | |
683b57b4 TM |
713 | struct nfs_fattr fattr; |
714 | const struct nfs_server *server; | |
7aaa0b3b | 715 | struct nfs4_pathname fs_path; |
683b57b4 | 716 | int nlocations; |
7aaa0b3b | 717 | struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES]; |
683b57b4 TM |
718 | }; |
719 | ||
720 | struct nfs4_fs_locations_arg { | |
721 | const struct nfs_fh *dir_fh; | |
722 | const struct qstr *name; | |
723 | struct page *page; | |
724 | const u32 *bitmask; | |
725 | }; | |
726 | ||
1da177e4 LT |
727 | #endif /* CONFIG_NFS_V4 */ |
728 | ||
729 | struct nfs_page; | |
730 | ||
40859d7e CL |
731 | #define NFS_PAGEVEC_SIZE (8U) |
732 | ||
1da177e4 LT |
733 | struct nfs_read_data { |
734 | int flags; | |
735 | struct rpc_task task; | |
736 | struct inode *inode; | |
737 | struct rpc_cred *cred; | |
738 | struct nfs_fattr fattr; /* fattr storage */ | |
739 | struct list_head pages; /* Coalesced read requests */ | |
740 | struct nfs_page *req; /* multi ops per nfs_page */ | |
40859d7e | 741 | struct page **pagevec; |
e9f7bee1 | 742 | unsigned int npages; /* Max length of pagevec */ |
1da177e4 LT |
743 | struct nfs_readargs args; |
744 | struct nfs_readres res; | |
745 | #ifdef CONFIG_NFS_V4 | |
746 | unsigned long timestamp; /* For lease renewal */ | |
747 | #endif | |
0d0b5cb3 | 748 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
1da177e4 LT |
749 | }; |
750 | ||
751 | struct nfs_write_data { | |
752 | int flags; | |
753 | struct rpc_task task; | |
754 | struct inode *inode; | |
755 | struct rpc_cred *cred; | |
756 | struct nfs_fattr fattr; | |
757 | struct nfs_writeverf verf; | |
758 | struct list_head pages; /* Coalesced requests we wish to flush */ | |
759 | struct nfs_page *req; /* multi ops per nfs_page */ | |
40859d7e | 760 | struct page **pagevec; |
e9f7bee1 | 761 | unsigned int npages; /* Max length of pagevec */ |
1da177e4 LT |
762 | struct nfs_writeargs args; /* argument struct */ |
763 | struct nfs_writeres res; /* result struct */ | |
764 | #ifdef CONFIG_NFS_V4 | |
765 | unsigned long timestamp; /* For lease renewal */ | |
766 | #endif | |
0d0b5cb3 | 767 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
1da177e4 LT |
768 | }; |
769 | ||
770 | struct nfs_access_entry; | |
771 | ||
772 | /* | |
773 | * RPC procedure vector for NFSv2/NFSv3 demuxing | |
774 | */ | |
775 | struct nfs_rpc_ops { | |
776 | int version; /* Protocol version */ | |
777 | struct dentry_operations *dentry_ops; | |
c5ef1c42 AV |
778 | const struct inode_operations *dir_inode_ops; |
779 | const struct inode_operations *file_inode_ops; | |
1da177e4 LT |
780 | |
781 | int (*getroot) (struct nfs_server *, struct nfs_fh *, | |
782 | struct nfs_fsinfo *); | |
2b3de441 DH |
783 | int (*lookupfh)(struct nfs_server *, struct nfs_fh *, |
784 | struct qstr *, struct nfs_fh *, | |
785 | struct nfs_fattr *); | |
1da177e4 LT |
786 | int (*getattr) (struct nfs_server *, struct nfs_fh *, |
787 | struct nfs_fattr *); | |
788 | int (*setattr) (struct dentry *, struct nfs_fattr *, | |
789 | struct iattr *); | |
790 | int (*lookup) (struct inode *, struct qstr *, | |
791 | struct nfs_fh *, struct nfs_fattr *); | |
792 | int (*access) (struct inode *, struct nfs_access_entry *); | |
793 | int (*readlink)(struct inode *, struct page *, unsigned int, | |
794 | unsigned int); | |
1da177e4 | 795 | int (*create) (struct inode *, struct dentry *, |
02a913a7 | 796 | struct iattr *, int, struct nameidata *); |
1da177e4 | 797 | int (*remove) (struct inode *, struct qstr *); |
e4eff1a6 TM |
798 | void (*unlink_setup) (struct rpc_message *, struct inode *dir); |
799 | int (*unlink_done) (struct rpc_task *, struct inode *); | |
1da177e4 LT |
800 | int (*rename) (struct inode *, struct qstr *, |
801 | struct inode *, struct qstr *); | |
802 | int (*link) (struct inode *, struct inode *, struct qstr *); | |
94a6d753 CL |
803 | int (*symlink) (struct inode *, struct dentry *, struct page *, |
804 | unsigned int, struct iattr *); | |
1da177e4 LT |
805 | int (*mkdir) (struct inode *, struct dentry *, struct iattr *); |
806 | int (*rmdir) (struct inode *, struct qstr *); | |
807 | int (*readdir) (struct dentry *, struct rpc_cred *, | |
808 | u64, struct page *, unsigned int, int); | |
809 | int (*mknod) (struct inode *, struct dentry *, struct iattr *, | |
810 | dev_t); | |
811 | int (*statfs) (struct nfs_server *, struct nfs_fh *, | |
812 | struct nfs_fsstat *); | |
813 | int (*fsinfo) (struct nfs_server *, struct nfs_fh *, | |
814 | struct nfs_fsinfo *); | |
815 | int (*pathconf) (struct nfs_server *, struct nfs_fh *, | |
816 | struct nfs_pathconf *); | |
e9326dca | 817 | int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); |
0dbb4c67 | 818 | __be32 *(*decode_dirent)(__be32 *, struct nfs_entry *, int plus); |
bdc7f021 | 819 | void (*read_setup) (struct nfs_read_data *, struct rpc_message *); |
ec06c096 | 820 | int (*read_done) (struct rpc_task *, struct nfs_read_data *); |
bdc7f021 | 821 | void (*write_setup) (struct nfs_write_data *, struct rpc_message *); |
788e7a89 | 822 | int (*write_done) (struct rpc_task *, struct nfs_write_data *); |
bdc7f021 | 823 | void (*commit_setup) (struct nfs_write_data *, struct rpc_message *); |
788e7a89 | 824 | int (*commit_done) (struct rpc_task *, struct nfs_write_data *); |
1da177e4 LT |
825 | int (*file_open) (struct inode *, struct file *); |
826 | int (*file_release) (struct inode *, struct file *); | |
827 | int (*lock)(struct file *, int, struct file_lock *); | |
ada70d94 | 828 | void (*clear_acl_cache)(struct inode *); |
1da177e4 LT |
829 | }; |
830 | ||
831 | /* | |
832 | * NFS_CALL(getattr, inode, (fattr)); | |
833 | * into | |
834 | * NFS_PROTO(inode)->getattr(fattr); | |
835 | */ | |
836 | #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args | |
837 | ||
838 | /* | |
839 | * Function vectors etc. for the NFS client | |
840 | */ | |
509de811 DH |
841 | extern const struct nfs_rpc_ops nfs_v2_clientops; |
842 | extern const struct nfs_rpc_ops nfs_v3_clientops; | |
843 | extern const struct nfs_rpc_ops nfs_v4_clientops; | |
1da177e4 LT |
844 | extern struct rpc_version nfs_version2; |
845 | extern struct rpc_version nfs_version3; | |
846 | extern struct rpc_version nfs_version4; | |
847 | ||
b7fa0554 AG |
848 | extern struct rpc_version nfsacl_version3; |
849 | extern struct rpc_program nfsacl_program; | |
850 | ||
1da177e4 | 851 | #endif |