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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; | |
9fa8d66f | 39 | dev_t rdev; |
1da177e4 LT |
40 | __u64 size; |
41 | union { | |
42 | struct { | |
43 | __u32 blocksize; | |
44 | __u32 blocks; | |
45 | } nfs2; | |
46 | struct { | |
47 | __u64 used; | |
48 | } nfs3; | |
49 | } du; | |
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; |
4704f0e2 | 59 | unsigned long gencount; |
1da177e4 LT |
60 | }; |
61 | ||
62 | #define NFS_ATTR_WCC 0x0001 /* pre-op WCC data */ | |
63 | #define NFS_ATTR_FATTR 0x0002 /* post-op attributes */ | |
64 | #define NFS_ATTR_FATTR_V3 0x0004 /* NFSv3 attributes */ | |
73a3d07c | 65 | #define NFS_ATTR_FATTR_V4 0x0008 /* NFSv4 change attribute */ |
70ca8852 TM |
66 | #define NFS_ATTR_WCC_V4 0x0010 /* pre-op change attribute */ |
67 | #define NFS_ATTR_FATTR_V4_REFERRAL 0x0020 /* NFSv4 referral */ | |
1da177e4 LT |
68 | |
69 | /* | |
70 | * Info on the file system | |
71 | */ | |
72 | struct nfs_fsinfo { | |
73 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
74 | __u32 rtmax; /* max. read transfer size */ | |
75 | __u32 rtpref; /* pref. read transfer size */ | |
76 | __u32 rtmult; /* reads should be multiple of this */ | |
77 | __u32 wtmax; /* max. write transfer size */ | |
78 | __u32 wtpref; /* pref. write transfer size */ | |
79 | __u32 wtmult; /* writes should be multiple of this */ | |
80 | __u32 dtpref; /* pref. readdir transfer size */ | |
81 | __u64 maxfilesize; | |
82 | __u32 lease_time; /* in seconds */ | |
83 | }; | |
84 | ||
85 | struct nfs_fsstat { | |
86 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
87 | __u64 tbytes; /* total size in bytes */ | |
88 | __u64 fbytes; /* # of free bytes */ | |
89 | __u64 abytes; /* # of bytes available to user */ | |
90 | __u64 tfiles; /* # of files */ | |
91 | __u64 ffiles; /* # of free files */ | |
92 | __u64 afiles; /* # of files available to user */ | |
93 | }; | |
94 | ||
95 | struct nfs2_fsstat { | |
96 | __u32 tsize; /* Server transfer size */ | |
97 | __u32 bsize; /* Filesystem block size */ | |
98 | __u32 blocks; /* No. of "bsize" blocks on filesystem */ | |
99 | __u32 bfree; /* No. of free "bsize" blocks */ | |
100 | __u32 bavail; /* No. of available "bsize" blocks */ | |
101 | }; | |
102 | ||
103 | struct nfs_pathconf { | |
104 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
105 | __u32 max_link; /* max # of hard links */ | |
106 | __u32 max_namelen; /* max name length */ | |
107 | }; | |
108 | ||
109 | struct nfs4_change_info { | |
110 | u32 atomic; | |
111 | u64 before; | |
112 | u64 after; | |
113 | }; | |
114 | ||
cee54fc9 | 115 | struct nfs_seqid; |
1da177e4 LT |
116 | /* |
117 | * Arguments to the open call. | |
118 | */ | |
119 | struct nfs_openargs { | |
120 | const struct nfs_fh * fh; | |
cee54fc9 | 121 | struct nfs_seqid * seqid; |
1da177e4 | 122 | int open_flags; |
dc0b027d | 123 | fmode_t fmode; |
1da177e4 | 124 | __u64 clientid; |
9f958ab8 | 125 | __u64 id; |
1da177e4 LT |
126 | union { |
127 | struct iattr * attrs; /* UNCHECKED, GUARDED */ | |
128 | nfs4_verifier verifier; /* EXCLUSIVE */ | |
129 | nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ | |
bd7bf9d5 | 130 | fmode_t delegation_type; /* CLAIM_PREVIOUS */ |
1da177e4 LT |
131 | } u; |
132 | const struct qstr * name; | |
133 | const struct nfs_server *server; /* Needed for ID mapping */ | |
134 | const u32 * bitmask; | |
135 | __u32 claim; | |
136 | }; | |
137 | ||
138 | struct nfs_openres { | |
139 | nfs4_stateid stateid; | |
140 | struct nfs_fh fh; | |
141 | struct nfs4_change_info cinfo; | |
142 | __u32 rflags; | |
143 | struct nfs_fattr * f_attr; | |
56ae19f3 | 144 | struct nfs_fattr * dir_attr; |
c1d51931 | 145 | struct nfs_seqid * seqid; |
1da177e4 | 146 | const struct nfs_server *server; |
bd7bf9d5 | 147 | fmode_t delegation_type; |
1da177e4 LT |
148 | nfs4_stateid delegation; |
149 | __u32 do_recall; | |
150 | __u64 maxsize; | |
aa53ed54 | 151 | __u32 attrset[NFS4_BITMAP_SIZE]; |
1da177e4 LT |
152 | }; |
153 | ||
154 | /* | |
155 | * Arguments to the open_confirm call. | |
156 | */ | |
157 | struct nfs_open_confirmargs { | |
158 | const struct nfs_fh * fh; | |
cdd4e68b | 159 | nfs4_stateid * stateid; |
cee54fc9 | 160 | struct nfs_seqid * seqid; |
1da177e4 LT |
161 | }; |
162 | ||
163 | struct nfs_open_confirmres { | |
164 | nfs4_stateid stateid; | |
c1d51931 | 165 | struct nfs_seqid * seqid; |
1da177e4 LT |
166 | }; |
167 | ||
168 | /* | |
169 | * Arguments to the close call. | |
170 | */ | |
171 | struct nfs_closeargs { | |
172 | struct nfs_fh * fh; | |
9512135d | 173 | nfs4_stateid * stateid; |
cee54fc9 | 174 | struct nfs_seqid * seqid; |
dc0b027d | 175 | fmode_t fmode; |
516a6af6 | 176 | const u32 * bitmask; |
1da177e4 LT |
177 | }; |
178 | ||
179 | struct nfs_closeres { | |
180 | nfs4_stateid stateid; | |
516a6af6 | 181 | struct nfs_fattr * fattr; |
c1d51931 | 182 | struct nfs_seqid * seqid; |
516a6af6 | 183 | const struct nfs_server *server; |
1da177e4 LT |
184 | }; |
185 | /* | |
186 | * * Arguments to the lock,lockt, and locku call. | |
187 | * */ | |
188 | struct nfs_lowner { | |
911d1aaf | 189 | __u64 clientid; |
9f958ab8 | 190 | __u64 id; |
1da177e4 LT |
191 | }; |
192 | ||
911d1aaf TM |
193 | struct nfs_lock_args { |
194 | struct nfs_fh * fh; | |
195 | struct file_lock * fl; | |
cee54fc9 | 196 | struct nfs_seqid * lock_seqid; |
06735b34 TM |
197 | nfs4_stateid * lock_stateid; |
198 | struct nfs_seqid * open_seqid; | |
199 | nfs4_stateid * open_stateid; | |
911d1aaf TM |
200 | struct nfs_lowner lock_owner; |
201 | unsigned char block : 1; | |
202 | unsigned char reclaim : 1; | |
203 | unsigned char new_lock_owner : 1; | |
204 | }; | |
205 | ||
206 | struct nfs_lock_res { | |
c1d51931 TM |
207 | nfs4_stateid stateid; |
208 | struct nfs_seqid * lock_seqid; | |
209 | struct nfs_seqid * open_seqid; | |
1da177e4 LT |
210 | }; |
211 | ||
911d1aaf TM |
212 | struct nfs_locku_args { |
213 | struct nfs_fh * fh; | |
214 | struct file_lock * fl; | |
cee54fc9 | 215 | struct nfs_seqid * seqid; |
faf5f49c | 216 | nfs4_stateid * stateid; |
1da177e4 LT |
217 | }; |
218 | ||
911d1aaf | 219 | struct nfs_locku_res { |
c1d51931 TM |
220 | nfs4_stateid stateid; |
221 | struct nfs_seqid * seqid; | |
1da177e4 LT |
222 | }; |
223 | ||
911d1aaf TM |
224 | struct nfs_lockt_args { |
225 | struct nfs_fh * fh; | |
226 | struct file_lock * fl; | |
227 | struct nfs_lowner lock_owner; | |
1da177e4 LT |
228 | }; |
229 | ||
911d1aaf TM |
230 | struct nfs_lockt_res { |
231 | struct file_lock * denied; /* LOCK, LOCKT failed */ | |
1da177e4 LT |
232 | }; |
233 | ||
234 | struct nfs4_delegreturnargs { | |
235 | const struct nfs_fh *fhandle; | |
236 | const nfs4_stateid *stateid; | |
fa178f29 TM |
237 | const u32 * bitmask; |
238 | }; | |
239 | ||
240 | struct nfs4_delegreturnres { | |
241 | struct nfs_fattr * fattr; | |
242 | const struct nfs_server *server; | |
1da177e4 LT |
243 | }; |
244 | ||
245 | /* | |
246 | * Arguments to the read call. | |
247 | */ | |
1da177e4 LT |
248 | struct nfs_readargs { |
249 | struct nfs_fh * fh; | |
250 | struct nfs_open_context *context; | |
251 | __u64 offset; | |
252 | __u32 count; | |
253 | unsigned int pgbase; | |
254 | struct page ** pages; | |
255 | }; | |
256 | ||
257 | struct nfs_readres { | |
258 | struct nfs_fattr * fattr; | |
259 | __u32 count; | |
260 | int eof; | |
261 | }; | |
262 | ||
263 | /* | |
264 | * Arguments to the write call. | |
265 | */ | |
1da177e4 LT |
266 | struct nfs_writeargs { |
267 | struct nfs_fh * fh; | |
268 | struct nfs_open_context *context; | |
269 | __u64 offset; | |
270 | __u32 count; | |
271 | enum nfs3_stable_how stable; | |
272 | unsigned int pgbase; | |
273 | struct page ** pages; | |
4f9838c7 | 274 | const u32 * bitmask; |
1da177e4 LT |
275 | }; |
276 | ||
277 | struct nfs_writeverf { | |
278 | enum nfs3_stable_how committed; | |
bc4785cd | 279 | __be32 verifier[2]; |
1da177e4 LT |
280 | }; |
281 | ||
282 | struct nfs_writeres { | |
283 | struct nfs_fattr * fattr; | |
284 | struct nfs_writeverf * verf; | |
285 | __u32 count; | |
4f9838c7 | 286 | const struct nfs_server *server; |
1da177e4 LT |
287 | }; |
288 | ||
4fdc17b2 TM |
289 | /* |
290 | * Common arguments to the unlink call | |
291 | */ | |
292 | struct nfs_removeargs { | |
293 | const struct nfs_fh *fh; | |
294 | struct qstr name; | |
295 | const u32 * bitmask; | |
296 | }; | |
297 | ||
298 | struct nfs_removeres { | |
299 | const struct nfs_server *server; | |
300 | struct nfs4_change_info cinfo; | |
301 | struct nfs_fattr dir_attr; | |
302 | }; | |
303 | ||
1da177e4 LT |
304 | /* |
305 | * Argument struct for decode_entry function | |
306 | */ | |
307 | struct nfs_entry { | |
308 | __u64 ino; | |
309 | __u64 cookie, | |
310 | prev_cookie; | |
311 | const char * name; | |
312 | unsigned int len; | |
313 | int eof; | |
314 | struct nfs_fh * fh; | |
315 | struct nfs_fattr * fattr; | |
316 | }; | |
317 | ||
318 | /* | |
319 | * The following types are for NFSv2 only. | |
320 | */ | |
321 | struct nfs_sattrargs { | |
322 | struct nfs_fh * fh; | |
323 | struct iattr * sattr; | |
324 | }; | |
325 | ||
326 | struct nfs_diropargs { | |
327 | struct nfs_fh * fh; | |
328 | const char * name; | |
329 | unsigned int len; | |
330 | }; | |
331 | ||
332 | struct nfs_createargs { | |
333 | struct nfs_fh * fh; | |
334 | const char * name; | |
335 | unsigned int len; | |
336 | struct iattr * sattr; | |
337 | }; | |
338 | ||
339 | struct nfs_renameargs { | |
340 | struct nfs_fh * fromfh; | |
341 | const char * fromname; | |
342 | unsigned int fromlen; | |
343 | struct nfs_fh * tofh; | |
344 | const char * toname; | |
345 | unsigned int tolen; | |
346 | }; | |
347 | ||
348 | struct nfs_setattrargs { | |
349 | struct nfs_fh * fh; | |
350 | nfs4_stateid stateid; | |
351 | struct iattr * iap; | |
352 | const struct nfs_server * server; /* Needed for name mapping */ | |
353 | const u32 * bitmask; | |
354 | }; | |
355 | ||
23ec6965 BF |
356 | struct nfs_setaclargs { |
357 | struct nfs_fh * fh; | |
358 | size_t acl_len; | |
359 | unsigned int acl_pgbase; | |
360 | struct page ** acl_pages; | |
361 | }; | |
362 | ||
029d105e BF |
363 | struct nfs_getaclargs { |
364 | struct nfs_fh * fh; | |
365 | size_t acl_len; | |
366 | unsigned int acl_pgbase; | |
367 | struct page ** acl_pages; | |
368 | }; | |
369 | ||
1da177e4 LT |
370 | struct nfs_setattrres { |
371 | struct nfs_fattr * fattr; | |
372 | const struct nfs_server * server; | |
373 | }; | |
374 | ||
375 | struct nfs_linkargs { | |
376 | struct nfs_fh * fromfh; | |
377 | struct nfs_fh * tofh; | |
378 | const char * toname; | |
379 | unsigned int tolen; | |
380 | }; | |
381 | ||
382 | struct nfs_symlinkargs { | |
383 | struct nfs_fh * fromfh; | |
384 | const char * fromname; | |
385 | unsigned int fromlen; | |
94a6d753 CL |
386 | struct page ** pages; |
387 | unsigned int pathlen; | |
1da177e4 LT |
388 | struct iattr * sattr; |
389 | }; | |
390 | ||
391 | struct nfs_readdirargs { | |
392 | struct nfs_fh * fh; | |
393 | __u32 cookie; | |
394 | unsigned int count; | |
395 | struct page ** pages; | |
396 | }; | |
397 | ||
b7fa0554 AG |
398 | struct nfs3_getaclargs { |
399 | struct nfs_fh * fh; | |
400 | int mask; | |
401 | struct page ** pages; | |
402 | }; | |
403 | ||
404 | struct nfs3_setaclargs { | |
405 | struct inode * inode; | |
406 | int mask; | |
407 | struct posix_acl * acl_access; | |
408 | struct posix_acl * acl_default; | |
409 | struct page ** pages; | |
410 | }; | |
411 | ||
1da177e4 LT |
412 | struct nfs_diropok { |
413 | struct nfs_fh * fh; | |
414 | struct nfs_fattr * fattr; | |
415 | }; | |
416 | ||
417 | struct nfs_readlinkargs { | |
418 | struct nfs_fh * fh; | |
419 | unsigned int pgbase; | |
420 | unsigned int pglen; | |
421 | struct page ** pages; | |
422 | }; | |
423 | ||
424 | struct nfs3_sattrargs { | |
425 | struct nfs_fh * fh; | |
426 | struct iattr * sattr; | |
427 | unsigned int guard; | |
428 | struct timespec guardtime; | |
429 | }; | |
430 | ||
431 | struct nfs3_diropargs { | |
432 | struct nfs_fh * fh; | |
433 | const char * name; | |
434 | unsigned int len; | |
435 | }; | |
436 | ||
437 | struct nfs3_accessargs { | |
438 | struct nfs_fh * fh; | |
439 | __u32 access; | |
440 | }; | |
441 | ||
442 | struct nfs3_createargs { | |
443 | struct nfs_fh * fh; | |
444 | const char * name; | |
445 | unsigned int len; | |
446 | struct iattr * sattr; | |
447 | enum nfs3_createmode createmode; | |
bc4785cd | 448 | __be32 verifier[2]; |
1da177e4 LT |
449 | }; |
450 | ||
451 | struct nfs3_mkdirargs { | |
452 | struct nfs_fh * fh; | |
453 | const char * name; | |
454 | unsigned int len; | |
455 | struct iattr * sattr; | |
456 | }; | |
457 | ||
458 | struct nfs3_symlinkargs { | |
459 | struct nfs_fh * fromfh; | |
460 | const char * fromname; | |
461 | unsigned int fromlen; | |
94a6d753 CL |
462 | struct page ** pages; |
463 | unsigned int pathlen; | |
1da177e4 LT |
464 | struct iattr * sattr; |
465 | }; | |
466 | ||
467 | struct nfs3_mknodargs { | |
468 | struct nfs_fh * fh; | |
469 | const char * name; | |
470 | unsigned int len; | |
471 | enum nfs3_ftype type; | |
472 | struct iattr * sattr; | |
473 | dev_t rdev; | |
474 | }; | |
475 | ||
476 | struct nfs3_renameargs { | |
477 | struct nfs_fh * fromfh; | |
478 | const char * fromname; | |
479 | unsigned int fromlen; | |
480 | struct nfs_fh * tofh; | |
481 | const char * toname; | |
482 | unsigned int tolen; | |
483 | }; | |
484 | ||
485 | struct nfs3_linkargs { | |
486 | struct nfs_fh * fromfh; | |
487 | struct nfs_fh * tofh; | |
488 | const char * toname; | |
489 | unsigned int tolen; | |
490 | }; | |
491 | ||
492 | struct nfs3_readdirargs { | |
493 | struct nfs_fh * fh; | |
494 | __u64 cookie; | |
bc4785cd | 495 | __be32 verf[2]; |
1da177e4 LT |
496 | int plus; |
497 | unsigned int count; | |
498 | struct page ** pages; | |
499 | }; | |
500 | ||
501 | struct nfs3_diropres { | |
502 | struct nfs_fattr * dir_attr; | |
503 | struct nfs_fh * fh; | |
504 | struct nfs_fattr * fattr; | |
505 | }; | |
506 | ||
507 | struct nfs3_accessres { | |
508 | struct nfs_fattr * fattr; | |
509 | __u32 access; | |
510 | }; | |
511 | ||
512 | struct nfs3_readlinkargs { | |
513 | struct nfs_fh * fh; | |
514 | unsigned int pgbase; | |
515 | unsigned int pglen; | |
516 | struct page ** pages; | |
517 | }; | |
518 | ||
519 | struct nfs3_renameres { | |
520 | struct nfs_fattr * fromattr; | |
521 | struct nfs_fattr * toattr; | |
522 | }; | |
523 | ||
524 | struct nfs3_linkres { | |
525 | struct nfs_fattr * dir_attr; | |
526 | struct nfs_fattr * fattr; | |
527 | }; | |
528 | ||
529 | struct nfs3_readdirres { | |
530 | struct nfs_fattr * dir_attr; | |
bc4785cd | 531 | __be32 * verf; |
1da177e4 LT |
532 | int plus; |
533 | }; | |
534 | ||
b7fa0554 AG |
535 | struct nfs3_getaclres { |
536 | struct nfs_fattr * fattr; | |
537 | int mask; | |
538 | unsigned int acl_access_count; | |
539 | unsigned int acl_default_count; | |
540 | struct posix_acl * acl_access; | |
541 | struct posix_acl * acl_default; | |
542 | }; | |
543 | ||
1da177e4 LT |
544 | #ifdef CONFIG_NFS_V4 |
545 | ||
546 | typedef u64 clientid4; | |
547 | ||
548 | struct nfs4_accessargs { | |
549 | const struct nfs_fh * fh; | |
76b32999 | 550 | const u32 * bitmask; |
1da177e4 LT |
551 | u32 access; |
552 | }; | |
553 | ||
554 | struct nfs4_accessres { | |
76b32999 TM |
555 | const struct nfs_server * server; |
556 | struct nfs_fattr * fattr; | |
1da177e4 LT |
557 | u32 supported; |
558 | u32 access; | |
559 | }; | |
560 | ||
561 | struct nfs4_create_arg { | |
562 | u32 ftype; | |
563 | union { | |
94a6d753 CL |
564 | struct { |
565 | struct page ** pages; | |
566 | unsigned int len; | |
567 | } symlink; /* NF4LNK */ | |
1da177e4 LT |
568 | struct { |
569 | u32 specdata1; | |
570 | u32 specdata2; | |
571 | } device; /* NF4BLK, NF4CHR */ | |
572 | } u; | |
573 | const struct qstr * name; | |
574 | const struct nfs_server * server; | |
575 | const struct iattr * attrs; | |
576 | const struct nfs_fh * dir_fh; | |
577 | const u32 * bitmask; | |
578 | }; | |
579 | ||
580 | struct nfs4_create_res { | |
581 | const struct nfs_server * server; | |
582 | struct nfs_fh * fh; | |
583 | struct nfs_fattr * fattr; | |
584 | struct nfs4_change_info dir_cinfo; | |
56ae19f3 | 585 | struct nfs_fattr * dir_fattr; |
1da177e4 LT |
586 | }; |
587 | ||
588 | struct nfs4_fsinfo_arg { | |
589 | const struct nfs_fh * fh; | |
590 | const u32 * bitmask; | |
591 | }; | |
592 | ||
593 | struct nfs4_getattr_arg { | |
594 | const struct nfs_fh * fh; | |
595 | const u32 * bitmask; | |
596 | }; | |
597 | ||
598 | struct nfs4_getattr_res { | |
599 | const struct nfs_server * server; | |
600 | struct nfs_fattr * fattr; | |
601 | }; | |
602 | ||
603 | struct nfs4_link_arg { | |
604 | const struct nfs_fh * fh; | |
605 | const struct nfs_fh * dir_fh; | |
606 | const struct qstr * name; | |
91ba2eee TM |
607 | const u32 * bitmask; |
608 | }; | |
609 | ||
610 | struct nfs4_link_res { | |
611 | const struct nfs_server * server; | |
612 | struct nfs_fattr * fattr; | |
613 | struct nfs4_change_info cinfo; | |
614 | struct nfs_fattr * dir_attr; | |
1da177e4 LT |
615 | }; |
616 | ||
91ba2eee | 617 | |
1da177e4 LT |
618 | struct nfs4_lookup_arg { |
619 | const struct nfs_fh * dir_fh; | |
620 | const struct qstr * name; | |
621 | const u32 * bitmask; | |
622 | }; | |
623 | ||
624 | struct nfs4_lookup_res { | |
625 | const struct nfs_server * server; | |
626 | struct nfs_fattr * fattr; | |
627 | struct nfs_fh * fh; | |
628 | }; | |
629 | ||
630 | struct nfs4_lookup_root_arg { | |
631 | const u32 * bitmask; | |
632 | }; | |
633 | ||
634 | struct nfs4_pathconf_arg { | |
635 | const struct nfs_fh * fh; | |
636 | const u32 * bitmask; | |
637 | }; | |
638 | ||
639 | struct nfs4_readdir_arg { | |
640 | const struct nfs_fh * fh; | |
641 | u64 cookie; | |
642 | nfs4_verifier verifier; | |
643 | u32 count; | |
644 | struct page ** pages; /* zero-copy data */ | |
645 | unsigned int pgbase; /* zero-copy data */ | |
646 | const u32 * bitmask; | |
647 | }; | |
648 | ||
649 | struct nfs4_readdir_res { | |
650 | nfs4_verifier verifier; | |
651 | unsigned int pgbase; | |
652 | }; | |
653 | ||
654 | struct nfs4_readlink { | |
655 | const struct nfs_fh * fh; | |
656 | unsigned int pgbase; | |
657 | unsigned int pglen; /* zero-copy data */ | |
658 | struct page ** pages; /* zero-copy data */ | |
659 | }; | |
660 | ||
1da177e4 LT |
661 | struct nfs4_rename_arg { |
662 | const struct nfs_fh * old_dir; | |
663 | const struct nfs_fh * new_dir; | |
664 | const struct qstr * old_name; | |
665 | const struct qstr * new_name; | |
6caf2c82 | 666 | const u32 * bitmask; |
1da177e4 LT |
667 | }; |
668 | ||
669 | struct nfs4_rename_res { | |
6caf2c82 | 670 | const struct nfs_server * server; |
1da177e4 | 671 | struct nfs4_change_info old_cinfo; |
6caf2c82 | 672 | struct nfs_fattr * old_fattr; |
1da177e4 | 673 | struct nfs4_change_info new_cinfo; |
6caf2c82 | 674 | struct nfs_fattr * new_fattr; |
1da177e4 LT |
675 | }; |
676 | ||
19d771f3 | 677 | #define NFS4_SETCLIENTID_NAMELEN (127) |
1da177e4 | 678 | struct nfs4_setclientid { |
cc38bac3 | 679 | const nfs4_verifier * sc_verifier; |
1da177e4 | 680 | unsigned int sc_name_len; |
d1ce02e1 | 681 | char sc_name[NFS4_SETCLIENTID_NAMELEN + 1]; |
cc38bac3 | 682 | u32 sc_prog; |
1da177e4 | 683 | unsigned int sc_netid_len; |
d1ce02e1 | 684 | char sc_netid[RPCBIND_MAXNETIDLEN + 1]; |
1da177e4 | 685 | unsigned int sc_uaddr_len; |
d1ce02e1 | 686 | char sc_uaddr[RPCBIND_MAXUADDRLEN + 1]; |
cc38bac3 | 687 | u32 sc_cb_ident; |
1da177e4 LT |
688 | }; |
689 | ||
690 | struct nfs4_statfs_arg { | |
691 | const struct nfs_fh * fh; | |
692 | const u32 * bitmask; | |
693 | }; | |
694 | ||
695 | struct nfs4_server_caps_res { | |
696 | u32 attr_bitmask[2]; | |
697 | u32 acl_bitmask; | |
698 | u32 has_links; | |
699 | u32 has_symlinks; | |
700 | }; | |
701 | ||
7aaa0b3b MN |
702 | struct nfs4_string { |
703 | unsigned int len; | |
704 | char *data; | |
683b57b4 TM |
705 | }; |
706 | ||
7aaa0b3b MN |
707 | #define NFS4_PATHNAME_MAXCOMPONENTS 512 |
708 | struct nfs4_pathname { | |
709 | unsigned int ncomponents; | |
710 | struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS]; | |
711 | }; | |
712 | ||
713 | #define NFS4_FS_LOCATION_MAXSERVERS 10 | |
714 | struct nfs4_fs_location { | |
715 | unsigned int nservers; | |
716 | struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS]; | |
717 | struct nfs4_pathname rootpath; | |
718 | }; | |
719 | ||
720 | #define NFS4_FS_LOCATIONS_MAXENTRIES 10 | |
721 | struct nfs4_fs_locations { | |
683b57b4 TM |
722 | struct nfs_fattr fattr; |
723 | const struct nfs_server *server; | |
7aaa0b3b | 724 | struct nfs4_pathname fs_path; |
683b57b4 | 725 | int nlocations; |
7aaa0b3b | 726 | struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES]; |
683b57b4 TM |
727 | }; |
728 | ||
729 | struct nfs4_fs_locations_arg { | |
730 | const struct nfs_fh *dir_fh; | |
731 | const struct qstr *name; | |
732 | struct page *page; | |
733 | const u32 *bitmask; | |
734 | }; | |
735 | ||
1da177e4 LT |
736 | #endif /* CONFIG_NFS_V4 */ |
737 | ||
738 | struct nfs_page; | |
739 | ||
40859d7e CL |
740 | #define NFS_PAGEVEC_SIZE (8U) |
741 | ||
1da177e4 LT |
742 | struct nfs_read_data { |
743 | int flags; | |
744 | struct rpc_task task; | |
745 | struct inode *inode; | |
746 | struct rpc_cred *cred; | |
747 | struct nfs_fattr fattr; /* fattr storage */ | |
748 | struct list_head pages; /* Coalesced read requests */ | |
749 | struct nfs_page *req; /* multi ops per nfs_page */ | |
40859d7e | 750 | struct page **pagevec; |
e9f7bee1 | 751 | unsigned int npages; /* Max length of pagevec */ |
1da177e4 LT |
752 | struct nfs_readargs args; |
753 | struct nfs_readres res; | |
754 | #ifdef CONFIG_NFS_V4 | |
755 | unsigned long timestamp; /* For lease renewal */ | |
756 | #endif | |
0d0b5cb3 | 757 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
1da177e4 LT |
758 | }; |
759 | ||
760 | struct nfs_write_data { | |
761 | int flags; | |
762 | struct rpc_task task; | |
763 | struct inode *inode; | |
764 | struct rpc_cred *cred; | |
765 | struct nfs_fattr fattr; | |
766 | struct nfs_writeverf verf; | |
767 | struct list_head pages; /* Coalesced requests we wish to flush */ | |
768 | struct nfs_page *req; /* multi ops per nfs_page */ | |
40859d7e | 769 | struct page **pagevec; |
e9f7bee1 | 770 | unsigned int npages; /* Max length of pagevec */ |
1da177e4 LT |
771 | struct nfs_writeargs args; /* argument struct */ |
772 | struct nfs_writeres res; /* result struct */ | |
773 | #ifdef CONFIG_NFS_V4 | |
774 | unsigned long timestamp; /* For lease renewal */ | |
775 | #endif | |
0d0b5cb3 | 776 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
1da177e4 LT |
777 | }; |
778 | ||
779 | struct nfs_access_entry; | |
780 | ||
781 | /* | |
782 | * RPC procedure vector for NFSv2/NFSv3 demuxing | |
783 | */ | |
784 | struct nfs_rpc_ops { | |
c0e07cb6 | 785 | u32 version; /* Protocol version */ |
1da177e4 | 786 | struct dentry_operations *dentry_ops; |
c5ef1c42 AV |
787 | const struct inode_operations *dir_inode_ops; |
788 | const struct inode_operations *file_inode_ops; | |
1da177e4 LT |
789 | |
790 | int (*getroot) (struct nfs_server *, struct nfs_fh *, | |
791 | struct nfs_fsinfo *); | |
2b3de441 DH |
792 | int (*lookupfh)(struct nfs_server *, struct nfs_fh *, |
793 | struct qstr *, struct nfs_fh *, | |
794 | struct nfs_fattr *); | |
1da177e4 LT |
795 | int (*getattr) (struct nfs_server *, struct nfs_fh *, |
796 | struct nfs_fattr *); | |
797 | int (*setattr) (struct dentry *, struct nfs_fattr *, | |
798 | struct iattr *); | |
799 | int (*lookup) (struct inode *, struct qstr *, | |
800 | struct nfs_fh *, struct nfs_fattr *); | |
801 | int (*access) (struct inode *, struct nfs_access_entry *); | |
802 | int (*readlink)(struct inode *, struct page *, unsigned int, | |
803 | unsigned int); | |
1da177e4 | 804 | int (*create) (struct inode *, struct dentry *, |
02a913a7 | 805 | struct iattr *, int, struct nameidata *); |
1da177e4 | 806 | int (*remove) (struct inode *, struct qstr *); |
e4eff1a6 TM |
807 | void (*unlink_setup) (struct rpc_message *, struct inode *dir); |
808 | int (*unlink_done) (struct rpc_task *, struct inode *); | |
1da177e4 LT |
809 | int (*rename) (struct inode *, struct qstr *, |
810 | struct inode *, struct qstr *); | |
811 | int (*link) (struct inode *, struct inode *, struct qstr *); | |
94a6d753 CL |
812 | int (*symlink) (struct inode *, struct dentry *, struct page *, |
813 | unsigned int, struct iattr *); | |
1da177e4 LT |
814 | int (*mkdir) (struct inode *, struct dentry *, struct iattr *); |
815 | int (*rmdir) (struct inode *, struct qstr *); | |
816 | int (*readdir) (struct dentry *, struct rpc_cred *, | |
817 | u64, struct page *, unsigned int, int); | |
818 | int (*mknod) (struct inode *, struct dentry *, struct iattr *, | |
819 | dev_t); | |
820 | int (*statfs) (struct nfs_server *, struct nfs_fh *, | |
821 | struct nfs_fsstat *); | |
822 | int (*fsinfo) (struct nfs_server *, struct nfs_fh *, | |
823 | struct nfs_fsinfo *); | |
824 | int (*pathconf) (struct nfs_server *, struct nfs_fh *, | |
825 | struct nfs_pathconf *); | |
e9326dca | 826 | int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); |
0dbb4c67 | 827 | __be32 *(*decode_dirent)(__be32 *, struct nfs_entry *, int plus); |
bdc7f021 | 828 | void (*read_setup) (struct nfs_read_data *, struct rpc_message *); |
ec06c096 | 829 | int (*read_done) (struct rpc_task *, struct nfs_read_data *); |
bdc7f021 | 830 | void (*write_setup) (struct nfs_write_data *, struct rpc_message *); |
788e7a89 | 831 | int (*write_done) (struct rpc_task *, struct nfs_write_data *); |
bdc7f021 | 832 | void (*commit_setup) (struct nfs_write_data *, struct rpc_message *); |
788e7a89 | 833 | int (*commit_done) (struct rpc_task *, struct nfs_write_data *); |
1da177e4 | 834 | int (*lock)(struct file *, int, struct file_lock *); |
2116271a | 835 | int (*lock_check_bounds)(const struct file_lock *); |
ada70d94 | 836 | void (*clear_acl_cache)(struct inode *); |
1da177e4 LT |
837 | }; |
838 | ||
839 | /* | |
840 | * NFS_CALL(getattr, inode, (fattr)); | |
841 | * into | |
842 | * NFS_PROTO(inode)->getattr(fattr); | |
843 | */ | |
844 | #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args | |
845 | ||
846 | /* | |
847 | * Function vectors etc. for the NFS client | |
848 | */ | |
509de811 DH |
849 | extern const struct nfs_rpc_ops nfs_v2_clientops; |
850 | extern const struct nfs_rpc_ops nfs_v3_clientops; | |
851 | extern const struct nfs_rpc_ops nfs_v4_clientops; | |
1da177e4 LT |
852 | extern struct rpc_version nfs_version2; |
853 | extern struct rpc_version nfs_version3; | |
854 | extern struct rpc_version nfs_version4; | |
855 | ||
b7fa0554 AG |
856 | extern struct rpc_version nfsacl_version3; |
857 | extern struct rpc_program nfsacl_program; | |
858 | ||
1da177e4 | 859 | #endif |