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1 | #ifndef _LINUX_NFS_XDR_H | |
2 | #define _LINUX_NFS_XDR_H | |
3 | ||
4 | #include <linux/nfsacl.h> | |
5 | ||
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 | ||
16 | struct nfs_fsid { | |
17 | uint64_t major; | |
18 | uint64_t minor; | |
19 | }; | |
20 | ||
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 | ||
29 | struct nfs_fattr { | |
30 | unsigned int valid; /* which fields are valid */ | |
31 | umode_t mode; | |
32 | __u32 nlink; | |
33 | __u32 uid; | |
34 | __u32 gid; | |
35 | dev_t rdev; | |
36 | __u64 size; | |
37 | union { | |
38 | struct { | |
39 | __u32 blocksize; | |
40 | __u32 blocks; | |
41 | } nfs2; | |
42 | struct { | |
43 | __u64 used; | |
44 | } nfs3; | |
45 | } du; | |
46 | struct nfs_fsid fsid; | |
47 | __u64 fileid; | |
48 | struct timespec atime; | |
49 | struct timespec mtime; | |
50 | struct timespec ctime; | |
51 | __u64 change_attr; /* NFSv4 change attribute */ | |
52 | __u64 pre_change_attr;/* pre-op NFSv4 change attribute */ | |
53 | __u64 pre_size; /* pre_op_attr.size */ | |
54 | struct timespec pre_mtime; /* pre_op_attr.mtime */ | |
55 | struct timespec pre_ctime; /* pre_op_attr.ctime */ | |
56 | unsigned long time_start; | |
57 | unsigned long gencount; | |
58 | }; | |
59 | ||
60 | #define NFS_ATTR_FATTR_TYPE (1U << 0) | |
61 | #define NFS_ATTR_FATTR_MODE (1U << 1) | |
62 | #define NFS_ATTR_FATTR_NLINK (1U << 2) | |
63 | #define NFS_ATTR_FATTR_OWNER (1U << 3) | |
64 | #define NFS_ATTR_FATTR_GROUP (1U << 4) | |
65 | #define NFS_ATTR_FATTR_RDEV (1U << 5) | |
66 | #define NFS_ATTR_FATTR_SIZE (1U << 6) | |
67 | #define NFS_ATTR_FATTR_PRESIZE (1U << 7) | |
68 | #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8) | |
69 | #define NFS_ATTR_FATTR_SPACE_USED (1U << 9) | |
70 | #define NFS_ATTR_FATTR_FSID (1U << 10) | |
71 | #define NFS_ATTR_FATTR_FILEID (1U << 11) | |
72 | #define NFS_ATTR_FATTR_ATIME (1U << 12) | |
73 | #define NFS_ATTR_FATTR_MTIME (1U << 13) | |
74 | #define NFS_ATTR_FATTR_CTIME (1U << 14) | |
75 | #define NFS_ATTR_FATTR_PREMTIME (1U << 15) | |
76 | #define NFS_ATTR_FATTR_PRECTIME (1U << 16) | |
77 | #define NFS_ATTR_FATTR_CHANGE (1U << 17) | |
78 | #define NFS_ATTR_FATTR_PRECHANGE (1U << 18) | |
79 | #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */ | |
80 | ||
81 | #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \ | |
82 | | NFS_ATTR_FATTR_MODE \ | |
83 | | NFS_ATTR_FATTR_NLINK \ | |
84 | | NFS_ATTR_FATTR_OWNER \ | |
85 | | NFS_ATTR_FATTR_GROUP \ | |
86 | | NFS_ATTR_FATTR_RDEV \ | |
87 | | NFS_ATTR_FATTR_SIZE \ | |
88 | | NFS_ATTR_FATTR_FSID \ | |
89 | | NFS_ATTR_FATTR_FILEID \ | |
90 | | NFS_ATTR_FATTR_ATIME \ | |
91 | | NFS_ATTR_FATTR_MTIME \ | |
92 | | NFS_ATTR_FATTR_CTIME) | |
93 | #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \ | |
94 | | NFS_ATTR_FATTR_BLOCKS_USED) | |
95 | #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \ | |
96 | | NFS_ATTR_FATTR_SPACE_USED) | |
97 | #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \ | |
98 | | NFS_ATTR_FATTR_SPACE_USED \ | |
99 | | NFS_ATTR_FATTR_CHANGE) | |
100 | ||
101 | /* | |
102 | * Info on the file system | |
103 | */ | |
104 | struct nfs_fsinfo { | |
105 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
106 | __u32 rtmax; /* max. read transfer size */ | |
107 | __u32 rtpref; /* pref. read transfer size */ | |
108 | __u32 rtmult; /* reads should be multiple of this */ | |
109 | __u32 wtmax; /* max. write transfer size */ | |
110 | __u32 wtpref; /* pref. write transfer size */ | |
111 | __u32 wtmult; /* writes should be multiple of this */ | |
112 | __u32 dtpref; /* pref. readdir transfer size */ | |
113 | __u64 maxfilesize; | |
114 | __u32 lease_time; /* in seconds */ | |
115 | }; | |
116 | ||
117 | struct nfs_fsstat { | |
118 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
119 | __u64 tbytes; /* total size in bytes */ | |
120 | __u64 fbytes; /* # of free bytes */ | |
121 | __u64 abytes; /* # of bytes available to user */ | |
122 | __u64 tfiles; /* # of files */ | |
123 | __u64 ffiles; /* # of free files */ | |
124 | __u64 afiles; /* # of files available to user */ | |
125 | }; | |
126 | ||
127 | struct nfs2_fsstat { | |
128 | __u32 tsize; /* Server transfer size */ | |
129 | __u32 bsize; /* Filesystem block size */ | |
130 | __u32 blocks; /* No. of "bsize" blocks on filesystem */ | |
131 | __u32 bfree; /* No. of free "bsize" blocks */ | |
132 | __u32 bavail; /* No. of available "bsize" blocks */ | |
133 | }; | |
134 | ||
135 | struct nfs_pathconf { | |
136 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
137 | __u32 max_link; /* max # of hard links */ | |
138 | __u32 max_namelen; /* max name length */ | |
139 | }; | |
140 | ||
141 | struct nfs4_change_info { | |
142 | u32 atomic; | |
143 | u64 before; | |
144 | u64 after; | |
145 | }; | |
146 | ||
147 | struct nfs_seqid; | |
148 | ||
149 | /* nfs41 sessions channel attributes */ | |
150 | struct nfs4_channel_attrs { | |
151 | u32 headerpadsz; | |
152 | u32 max_rqst_sz; | |
153 | u32 max_resp_sz; | |
154 | u32 max_resp_sz_cached; | |
155 | u32 max_ops; | |
156 | u32 max_reqs; | |
157 | }; | |
158 | ||
159 | /* nfs41 sessions slot seqid */ | |
160 | struct nfs4_slot { | |
161 | u32 seq_nr; | |
162 | }; | |
163 | ||
164 | struct nfs4_sequence_args { | |
165 | struct nfs4_session *sa_session; | |
166 | }; | |
167 | ||
168 | struct nfs4_sequence_res { | |
169 | struct nfs4_session *sr_session; | |
170 | }; | |
171 | ||
172 | /* | |
173 | * Arguments to the open call. | |
174 | */ | |
175 | struct nfs_openargs { | |
176 | const struct nfs_fh * fh; | |
177 | struct nfs_seqid * seqid; | |
178 | int open_flags; | |
179 | fmode_t fmode; | |
180 | __u64 clientid; | |
181 | __u64 id; | |
182 | union { | |
183 | struct iattr * attrs; /* UNCHECKED, GUARDED */ | |
184 | nfs4_verifier verifier; /* EXCLUSIVE */ | |
185 | nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ | |
186 | fmode_t delegation_type; /* CLAIM_PREVIOUS */ | |
187 | } u; | |
188 | const struct qstr * name; | |
189 | const struct nfs_server *server; /* Needed for ID mapping */ | |
190 | const u32 * bitmask; | |
191 | __u32 claim; | |
192 | struct nfs4_sequence_args seq_args; | |
193 | }; | |
194 | ||
195 | struct nfs_openres { | |
196 | nfs4_stateid stateid; | |
197 | struct nfs_fh fh; | |
198 | struct nfs4_change_info cinfo; | |
199 | __u32 rflags; | |
200 | struct nfs_fattr * f_attr; | |
201 | struct nfs_fattr * dir_attr; | |
202 | struct nfs_seqid * seqid; | |
203 | const struct nfs_server *server; | |
204 | fmode_t delegation_type; | |
205 | nfs4_stateid delegation; | |
206 | __u32 do_recall; | |
207 | __u64 maxsize; | |
208 | __u32 attrset[NFS4_BITMAP_SIZE]; | |
209 | struct nfs4_sequence_res seq_res; | |
210 | }; | |
211 | ||
212 | /* | |
213 | * Arguments to the open_confirm call. | |
214 | */ | |
215 | struct nfs_open_confirmargs { | |
216 | const struct nfs_fh * fh; | |
217 | nfs4_stateid * stateid; | |
218 | struct nfs_seqid * seqid; | |
219 | }; | |
220 | ||
221 | struct nfs_open_confirmres { | |
222 | nfs4_stateid stateid; | |
223 | struct nfs_seqid * seqid; | |
224 | }; | |
225 | ||
226 | /* | |
227 | * Arguments to the close call. | |
228 | */ | |
229 | struct nfs_closeargs { | |
230 | struct nfs_fh * fh; | |
231 | nfs4_stateid * stateid; | |
232 | struct nfs_seqid * seqid; | |
233 | fmode_t fmode; | |
234 | const u32 * bitmask; | |
235 | struct nfs4_sequence_args seq_args; | |
236 | }; | |
237 | ||
238 | struct nfs_closeres { | |
239 | nfs4_stateid stateid; | |
240 | struct nfs_fattr * fattr; | |
241 | struct nfs_seqid * seqid; | |
242 | const struct nfs_server *server; | |
243 | struct nfs4_sequence_res seq_res; | |
244 | }; | |
245 | /* | |
246 | * * Arguments to the lock,lockt, and locku call. | |
247 | * */ | |
248 | struct nfs_lowner { | |
249 | __u64 clientid; | |
250 | __u64 id; | |
251 | }; | |
252 | ||
253 | struct nfs_lock_args { | |
254 | struct nfs_fh * fh; | |
255 | struct file_lock * fl; | |
256 | struct nfs_seqid * lock_seqid; | |
257 | nfs4_stateid * lock_stateid; | |
258 | struct nfs_seqid * open_seqid; | |
259 | nfs4_stateid * open_stateid; | |
260 | struct nfs_lowner lock_owner; | |
261 | unsigned char block : 1; | |
262 | unsigned char reclaim : 1; | |
263 | unsigned char new_lock_owner : 1; | |
264 | struct nfs4_sequence_args seq_args; | |
265 | }; | |
266 | ||
267 | struct nfs_lock_res { | |
268 | nfs4_stateid stateid; | |
269 | struct nfs_seqid * lock_seqid; | |
270 | struct nfs_seqid * open_seqid; | |
271 | struct nfs4_sequence_res seq_res; | |
272 | }; | |
273 | ||
274 | struct nfs_locku_args { | |
275 | struct nfs_fh * fh; | |
276 | struct file_lock * fl; | |
277 | struct nfs_seqid * seqid; | |
278 | nfs4_stateid * stateid; | |
279 | struct nfs4_sequence_args seq_args; | |
280 | }; | |
281 | ||
282 | struct nfs_locku_res { | |
283 | nfs4_stateid stateid; | |
284 | struct nfs_seqid * seqid; | |
285 | struct nfs4_sequence_res seq_res; | |
286 | }; | |
287 | ||
288 | struct nfs_lockt_args { | |
289 | struct nfs_fh * fh; | |
290 | struct file_lock * fl; | |
291 | struct nfs_lowner lock_owner; | |
292 | struct nfs4_sequence_args seq_args; | |
293 | }; | |
294 | ||
295 | struct nfs_lockt_res { | |
296 | struct file_lock * denied; /* LOCK, LOCKT failed */ | |
297 | struct nfs4_sequence_res seq_res; | |
298 | }; | |
299 | ||
300 | struct nfs4_delegreturnargs { | |
301 | const struct nfs_fh *fhandle; | |
302 | const nfs4_stateid *stateid; | |
303 | const u32 * bitmask; | |
304 | struct nfs4_sequence_args seq_args; | |
305 | }; | |
306 | ||
307 | struct nfs4_delegreturnres { | |
308 | struct nfs_fattr * fattr; | |
309 | const struct nfs_server *server; | |
310 | struct nfs4_sequence_res seq_res; | |
311 | }; | |
312 | ||
313 | /* | |
314 | * Arguments to the read call. | |
315 | */ | |
316 | struct nfs_readargs { | |
317 | struct nfs_fh * fh; | |
318 | struct nfs_open_context *context; | |
319 | __u64 offset; | |
320 | __u32 count; | |
321 | unsigned int pgbase; | |
322 | struct page ** pages; | |
323 | struct nfs4_sequence_args seq_args; | |
324 | }; | |
325 | ||
326 | struct nfs_readres { | |
327 | struct nfs_fattr * fattr; | |
328 | __u32 count; | |
329 | int eof; | |
330 | struct nfs4_sequence_res seq_res; | |
331 | }; | |
332 | ||
333 | /* | |
334 | * Arguments to the write call. | |
335 | */ | |
336 | struct nfs_writeargs { | |
337 | struct nfs_fh * fh; | |
338 | struct nfs_open_context *context; | |
339 | __u64 offset; | |
340 | __u32 count; | |
341 | enum nfs3_stable_how stable; | |
342 | unsigned int pgbase; | |
343 | struct page ** pages; | |
344 | const u32 * bitmask; | |
345 | struct nfs4_sequence_args seq_args; | |
346 | }; | |
347 | ||
348 | struct nfs_writeverf { | |
349 | enum nfs3_stable_how committed; | |
350 | __be32 verifier[2]; | |
351 | }; | |
352 | ||
353 | struct nfs_writeres { | |
354 | struct nfs_fattr * fattr; | |
355 | struct nfs_writeverf * verf; | |
356 | __u32 count; | |
357 | const struct nfs_server *server; | |
358 | struct nfs4_sequence_res seq_res; | |
359 | }; | |
360 | ||
361 | /* | |
362 | * Common arguments to the unlink call | |
363 | */ | |
364 | struct nfs_removeargs { | |
365 | const struct nfs_fh *fh; | |
366 | struct qstr name; | |
367 | const u32 * bitmask; | |
368 | struct nfs4_sequence_args seq_args; | |
369 | }; | |
370 | ||
371 | struct nfs_removeres { | |
372 | const struct nfs_server *server; | |
373 | struct nfs4_change_info cinfo; | |
374 | struct nfs_fattr dir_attr; | |
375 | struct nfs4_sequence_res seq_res; | |
376 | }; | |
377 | ||
378 | /* | |
379 | * Argument struct for decode_entry function | |
380 | */ | |
381 | struct nfs_entry { | |
382 | __u64 ino; | |
383 | __u64 cookie, | |
384 | prev_cookie; | |
385 | const char * name; | |
386 | unsigned int len; | |
387 | int eof; | |
388 | struct nfs_fh * fh; | |
389 | struct nfs_fattr * fattr; | |
390 | }; | |
391 | ||
392 | /* | |
393 | * The following types are for NFSv2 only. | |
394 | */ | |
395 | struct nfs_sattrargs { | |
396 | struct nfs_fh * fh; | |
397 | struct iattr * sattr; | |
398 | }; | |
399 | ||
400 | struct nfs_diropargs { | |
401 | struct nfs_fh * fh; | |
402 | const char * name; | |
403 | unsigned int len; | |
404 | }; | |
405 | ||
406 | struct nfs_createargs { | |
407 | struct nfs_fh * fh; | |
408 | const char * name; | |
409 | unsigned int len; | |
410 | struct iattr * sattr; | |
411 | }; | |
412 | ||
413 | struct nfs_renameargs { | |
414 | struct nfs_fh * fromfh; | |
415 | const char * fromname; | |
416 | unsigned int fromlen; | |
417 | struct nfs_fh * tofh; | |
418 | const char * toname; | |
419 | unsigned int tolen; | |
420 | }; | |
421 | ||
422 | struct nfs_setattrargs { | |
423 | struct nfs_fh * fh; | |
424 | nfs4_stateid stateid; | |
425 | struct iattr * iap; | |
426 | const struct nfs_server * server; /* Needed for name mapping */ | |
427 | const u32 * bitmask; | |
428 | struct nfs4_sequence_args seq_args; | |
429 | }; | |
430 | ||
431 | struct nfs_setaclargs { | |
432 | struct nfs_fh * fh; | |
433 | size_t acl_len; | |
434 | unsigned int acl_pgbase; | |
435 | struct page ** acl_pages; | |
436 | struct nfs4_sequence_args seq_args; | |
437 | }; | |
438 | ||
439 | struct nfs_setaclres { | |
440 | struct nfs4_sequence_res seq_res; | |
441 | }; | |
442 | ||
443 | struct nfs_getaclargs { | |
444 | struct nfs_fh * fh; | |
445 | size_t acl_len; | |
446 | unsigned int acl_pgbase; | |
447 | struct page ** acl_pages; | |
448 | struct nfs4_sequence_args seq_args; | |
449 | }; | |
450 | ||
451 | struct nfs_getaclres { | |
452 | size_t acl_len; | |
453 | struct nfs4_sequence_res seq_res; | |
454 | }; | |
455 | ||
456 | struct nfs_setattrres { | |
457 | struct nfs_fattr * fattr; | |
458 | const struct nfs_server * server; | |
459 | struct nfs4_sequence_res seq_res; | |
460 | }; | |
461 | ||
462 | struct nfs_linkargs { | |
463 | struct nfs_fh * fromfh; | |
464 | struct nfs_fh * tofh; | |
465 | const char * toname; | |
466 | unsigned int tolen; | |
467 | }; | |
468 | ||
469 | struct nfs_symlinkargs { | |
470 | struct nfs_fh * fromfh; | |
471 | const char * fromname; | |
472 | unsigned int fromlen; | |
473 | struct page ** pages; | |
474 | unsigned int pathlen; | |
475 | struct iattr * sattr; | |
476 | }; | |
477 | ||
478 | struct nfs_readdirargs { | |
479 | struct nfs_fh * fh; | |
480 | __u32 cookie; | |
481 | unsigned int count; | |
482 | struct page ** pages; | |
483 | }; | |
484 | ||
485 | struct nfs3_getaclargs { | |
486 | struct nfs_fh * fh; | |
487 | int mask; | |
488 | struct page ** pages; | |
489 | }; | |
490 | ||
491 | struct nfs3_setaclargs { | |
492 | struct inode * inode; | |
493 | int mask; | |
494 | struct posix_acl * acl_access; | |
495 | struct posix_acl * acl_default; | |
496 | size_t len; | |
497 | unsigned int npages; | |
498 | struct page ** pages; | |
499 | }; | |
500 | ||
501 | struct nfs_diropok { | |
502 | struct nfs_fh * fh; | |
503 | struct nfs_fattr * fattr; | |
504 | }; | |
505 | ||
506 | struct nfs_readlinkargs { | |
507 | struct nfs_fh * fh; | |
508 | unsigned int pgbase; | |
509 | unsigned int pglen; | |
510 | struct page ** pages; | |
511 | }; | |
512 | ||
513 | struct nfs3_sattrargs { | |
514 | struct nfs_fh * fh; | |
515 | struct iattr * sattr; | |
516 | unsigned int guard; | |
517 | struct timespec guardtime; | |
518 | }; | |
519 | ||
520 | struct nfs3_diropargs { | |
521 | struct nfs_fh * fh; | |
522 | const char * name; | |
523 | unsigned int len; | |
524 | }; | |
525 | ||
526 | struct nfs3_accessargs { | |
527 | struct nfs_fh * fh; | |
528 | __u32 access; | |
529 | }; | |
530 | ||
531 | struct nfs3_createargs { | |
532 | struct nfs_fh * fh; | |
533 | const char * name; | |
534 | unsigned int len; | |
535 | struct iattr * sattr; | |
536 | enum nfs3_createmode createmode; | |
537 | __be32 verifier[2]; | |
538 | }; | |
539 | ||
540 | struct nfs3_mkdirargs { | |
541 | struct nfs_fh * fh; | |
542 | const char * name; | |
543 | unsigned int len; | |
544 | struct iattr * sattr; | |
545 | }; | |
546 | ||
547 | struct nfs3_symlinkargs { | |
548 | struct nfs_fh * fromfh; | |
549 | const char * fromname; | |
550 | unsigned int fromlen; | |
551 | struct page ** pages; | |
552 | unsigned int pathlen; | |
553 | struct iattr * sattr; | |
554 | }; | |
555 | ||
556 | struct nfs3_mknodargs { | |
557 | struct nfs_fh * fh; | |
558 | const char * name; | |
559 | unsigned int len; | |
560 | enum nfs3_ftype type; | |
561 | struct iattr * sattr; | |
562 | dev_t rdev; | |
563 | }; | |
564 | ||
565 | struct nfs3_renameargs { | |
566 | struct nfs_fh * fromfh; | |
567 | const char * fromname; | |
568 | unsigned int fromlen; | |
569 | struct nfs_fh * tofh; | |
570 | const char * toname; | |
571 | unsigned int tolen; | |
572 | }; | |
573 | ||
574 | struct nfs3_linkargs { | |
575 | struct nfs_fh * fromfh; | |
576 | struct nfs_fh * tofh; | |
577 | const char * toname; | |
578 | unsigned int tolen; | |
579 | }; | |
580 | ||
581 | struct nfs3_readdirargs { | |
582 | struct nfs_fh * fh; | |
583 | __u64 cookie; | |
584 | __be32 verf[2]; | |
585 | int plus; | |
586 | unsigned int count; | |
587 | struct page ** pages; | |
588 | }; | |
589 | ||
590 | struct nfs3_diropres { | |
591 | struct nfs_fattr * dir_attr; | |
592 | struct nfs_fh * fh; | |
593 | struct nfs_fattr * fattr; | |
594 | }; | |
595 | ||
596 | struct nfs3_accessres { | |
597 | struct nfs_fattr * fattr; | |
598 | __u32 access; | |
599 | }; | |
600 | ||
601 | struct nfs3_readlinkargs { | |
602 | struct nfs_fh * fh; | |
603 | unsigned int pgbase; | |
604 | unsigned int pglen; | |
605 | struct page ** pages; | |
606 | }; | |
607 | ||
608 | struct nfs3_renameres { | |
609 | struct nfs_fattr * fromattr; | |
610 | struct nfs_fattr * toattr; | |
611 | }; | |
612 | ||
613 | struct nfs3_linkres { | |
614 | struct nfs_fattr * dir_attr; | |
615 | struct nfs_fattr * fattr; | |
616 | }; | |
617 | ||
618 | struct nfs3_readdirres { | |
619 | struct nfs_fattr * dir_attr; | |
620 | __be32 * verf; | |
621 | int plus; | |
622 | }; | |
623 | ||
624 | struct nfs3_getaclres { | |
625 | struct nfs_fattr * fattr; | |
626 | int mask; | |
627 | unsigned int acl_access_count; | |
628 | unsigned int acl_default_count; | |
629 | struct posix_acl * acl_access; | |
630 | struct posix_acl * acl_default; | |
631 | }; | |
632 | ||
633 | #ifdef CONFIG_NFS_V4 | |
634 | ||
635 | typedef u64 clientid4; | |
636 | ||
637 | struct nfs4_accessargs { | |
638 | const struct nfs_fh * fh; | |
639 | const u32 * bitmask; | |
640 | u32 access; | |
641 | struct nfs4_sequence_args seq_args; | |
642 | }; | |
643 | ||
644 | struct nfs4_accessres { | |
645 | const struct nfs_server * server; | |
646 | struct nfs_fattr * fattr; | |
647 | u32 supported; | |
648 | u32 access; | |
649 | struct nfs4_sequence_res seq_res; | |
650 | }; | |
651 | ||
652 | struct nfs4_create_arg { | |
653 | u32 ftype; | |
654 | union { | |
655 | struct { | |
656 | struct page ** pages; | |
657 | unsigned int len; | |
658 | } symlink; /* NF4LNK */ | |
659 | struct { | |
660 | u32 specdata1; | |
661 | u32 specdata2; | |
662 | } device; /* NF4BLK, NF4CHR */ | |
663 | } u; | |
664 | const struct qstr * name; | |
665 | const struct nfs_server * server; | |
666 | const struct iattr * attrs; | |
667 | const struct nfs_fh * dir_fh; | |
668 | const u32 * bitmask; | |
669 | struct nfs4_sequence_args seq_args; | |
670 | }; | |
671 | ||
672 | struct nfs4_create_res { | |
673 | const struct nfs_server * server; | |
674 | struct nfs_fh * fh; | |
675 | struct nfs_fattr * fattr; | |
676 | struct nfs4_change_info dir_cinfo; | |
677 | struct nfs_fattr * dir_fattr; | |
678 | struct nfs4_sequence_res seq_res; | |
679 | }; | |
680 | ||
681 | struct nfs4_fsinfo_arg { | |
682 | const struct nfs_fh * fh; | |
683 | const u32 * bitmask; | |
684 | struct nfs4_sequence_args seq_args; | |
685 | }; | |
686 | ||
687 | struct nfs4_fsinfo_res { | |
688 | struct nfs_fsinfo *fsinfo; | |
689 | struct nfs4_sequence_res seq_res; | |
690 | }; | |
691 | ||
692 | struct nfs4_getattr_arg { | |
693 | const struct nfs_fh * fh; | |
694 | const u32 * bitmask; | |
695 | struct nfs4_sequence_args seq_args; | |
696 | }; | |
697 | ||
698 | struct nfs4_getattr_res { | |
699 | const struct nfs_server * server; | |
700 | struct nfs_fattr * fattr; | |
701 | struct nfs4_sequence_res seq_res; | |
702 | }; | |
703 | ||
704 | struct nfs4_link_arg { | |
705 | const struct nfs_fh * fh; | |
706 | const struct nfs_fh * dir_fh; | |
707 | const struct qstr * name; | |
708 | const u32 * bitmask; | |
709 | struct nfs4_sequence_args seq_args; | |
710 | }; | |
711 | ||
712 | struct nfs4_link_res { | |
713 | const struct nfs_server * server; | |
714 | struct nfs_fattr * fattr; | |
715 | struct nfs4_change_info cinfo; | |
716 | struct nfs_fattr * dir_attr; | |
717 | struct nfs4_sequence_res seq_res; | |
718 | }; | |
719 | ||
720 | ||
721 | struct nfs4_lookup_arg { | |
722 | const struct nfs_fh * dir_fh; | |
723 | const struct qstr * name; | |
724 | const u32 * bitmask; | |
725 | struct nfs4_sequence_args seq_args; | |
726 | }; | |
727 | ||
728 | struct nfs4_lookup_res { | |
729 | const struct nfs_server * server; | |
730 | struct nfs_fattr * fattr; | |
731 | struct nfs_fh * fh; | |
732 | struct nfs4_sequence_res seq_res; | |
733 | }; | |
734 | ||
735 | struct nfs4_lookup_root_arg { | |
736 | const u32 * bitmask; | |
737 | struct nfs4_sequence_args seq_args; | |
738 | }; | |
739 | ||
740 | struct nfs4_pathconf_arg { | |
741 | const struct nfs_fh * fh; | |
742 | const u32 * bitmask; | |
743 | struct nfs4_sequence_args seq_args; | |
744 | }; | |
745 | ||
746 | struct nfs4_pathconf_res { | |
747 | struct nfs_pathconf *pathconf; | |
748 | struct nfs4_sequence_res seq_res; | |
749 | }; | |
750 | ||
751 | struct nfs4_readdir_arg { | |
752 | const struct nfs_fh * fh; | |
753 | u64 cookie; | |
754 | nfs4_verifier verifier; | |
755 | u32 count; | |
756 | struct page ** pages; /* zero-copy data */ | |
757 | unsigned int pgbase; /* zero-copy data */ | |
758 | const u32 * bitmask; | |
759 | struct nfs4_sequence_args seq_args; | |
760 | }; | |
761 | ||
762 | struct nfs4_readdir_res { | |
763 | nfs4_verifier verifier; | |
764 | unsigned int pgbase; | |
765 | struct nfs4_sequence_res seq_res; | |
766 | }; | |
767 | ||
768 | struct nfs4_readlink { | |
769 | const struct nfs_fh * fh; | |
770 | unsigned int pgbase; | |
771 | unsigned int pglen; /* zero-copy data */ | |
772 | struct page ** pages; /* zero-copy data */ | |
773 | struct nfs4_sequence_args seq_args; | |
774 | }; | |
775 | ||
776 | struct nfs4_readlink_res { | |
777 | struct nfs4_sequence_res seq_res; | |
778 | }; | |
779 | ||
780 | struct nfs4_rename_arg { | |
781 | const struct nfs_fh * old_dir; | |
782 | const struct nfs_fh * new_dir; | |
783 | const struct qstr * old_name; | |
784 | const struct qstr * new_name; | |
785 | const u32 * bitmask; | |
786 | struct nfs4_sequence_args seq_args; | |
787 | }; | |
788 | ||
789 | struct nfs4_rename_res { | |
790 | const struct nfs_server * server; | |
791 | struct nfs4_change_info old_cinfo; | |
792 | struct nfs_fattr * old_fattr; | |
793 | struct nfs4_change_info new_cinfo; | |
794 | struct nfs_fattr * new_fattr; | |
795 | struct nfs4_sequence_res seq_res; | |
796 | }; | |
797 | ||
798 | #define NFS4_SETCLIENTID_NAMELEN (127) | |
799 | struct nfs4_setclientid { | |
800 | const nfs4_verifier * sc_verifier; | |
801 | unsigned int sc_name_len; | |
802 | char sc_name[NFS4_SETCLIENTID_NAMELEN + 1]; | |
803 | u32 sc_prog; | |
804 | unsigned int sc_netid_len; | |
805 | char sc_netid[RPCBIND_MAXNETIDLEN + 1]; | |
806 | unsigned int sc_uaddr_len; | |
807 | char sc_uaddr[RPCBIND_MAXUADDRLEN + 1]; | |
808 | u32 sc_cb_ident; | |
809 | }; | |
810 | ||
811 | struct nfs4_statfs_arg { | |
812 | const struct nfs_fh * fh; | |
813 | const u32 * bitmask; | |
814 | struct nfs4_sequence_args seq_args; | |
815 | }; | |
816 | ||
817 | struct nfs4_statfs_res { | |
818 | struct nfs_fsstat *fsstat; | |
819 | struct nfs4_sequence_res seq_res; | |
820 | }; | |
821 | ||
822 | struct nfs4_server_caps_arg { | |
823 | struct nfs_fh *fhandle; | |
824 | struct nfs4_sequence_args seq_args; | |
825 | }; | |
826 | ||
827 | struct nfs4_server_caps_res { | |
828 | u32 attr_bitmask[2]; | |
829 | u32 acl_bitmask; | |
830 | u32 has_links; | |
831 | u32 has_symlinks; | |
832 | struct nfs4_sequence_res seq_res; | |
833 | }; | |
834 | ||
835 | struct nfs4_string { | |
836 | unsigned int len; | |
837 | char *data; | |
838 | }; | |
839 | ||
840 | #define NFS4_PATHNAME_MAXCOMPONENTS 512 | |
841 | struct nfs4_pathname { | |
842 | unsigned int ncomponents; | |
843 | struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS]; | |
844 | }; | |
845 | ||
846 | #define NFS4_FS_LOCATION_MAXSERVERS 10 | |
847 | struct nfs4_fs_location { | |
848 | unsigned int nservers; | |
849 | struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS]; | |
850 | struct nfs4_pathname rootpath; | |
851 | }; | |
852 | ||
853 | #define NFS4_FS_LOCATIONS_MAXENTRIES 10 | |
854 | struct nfs4_fs_locations { | |
855 | struct nfs_fattr fattr; | |
856 | const struct nfs_server *server; | |
857 | struct nfs4_pathname fs_path; | |
858 | int nlocations; | |
859 | struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES]; | |
860 | }; | |
861 | ||
862 | struct nfs4_fs_locations_arg { | |
863 | const struct nfs_fh *dir_fh; | |
864 | const struct qstr *name; | |
865 | struct page *page; | |
866 | const u32 *bitmask; | |
867 | struct nfs4_sequence_args seq_args; | |
868 | }; | |
869 | ||
870 | struct nfs4_fs_locations_res { | |
871 | struct nfs4_fs_locations *fs_locations; | |
872 | struct nfs4_sequence_res seq_res; | |
873 | }; | |
874 | ||
875 | #endif /* CONFIG_NFS_V4 */ | |
876 | ||
877 | struct nfs_page; | |
878 | ||
879 | #define NFS_PAGEVEC_SIZE (8U) | |
880 | ||
881 | struct nfs_read_data { | |
882 | int flags; | |
883 | struct rpc_task task; | |
884 | struct inode *inode; | |
885 | struct rpc_cred *cred; | |
886 | struct nfs_fattr fattr; /* fattr storage */ | |
887 | struct list_head pages; /* Coalesced read requests */ | |
888 | struct nfs_page *req; /* multi ops per nfs_page */ | |
889 | struct page **pagevec; | |
890 | unsigned int npages; /* Max length of pagevec */ | |
891 | struct nfs_readargs args; | |
892 | struct nfs_readres res; | |
893 | #ifdef CONFIG_NFS_V4 | |
894 | unsigned long timestamp; /* For lease renewal */ | |
895 | #endif | |
896 | struct page *page_array[NFS_PAGEVEC_SIZE]; | |
897 | }; | |
898 | ||
899 | struct nfs_write_data { | |
900 | int flags; | |
901 | struct rpc_task task; | |
902 | struct inode *inode; | |
903 | struct rpc_cred *cred; | |
904 | struct nfs_fattr fattr; | |
905 | struct nfs_writeverf verf; | |
906 | struct list_head pages; /* Coalesced requests we wish to flush */ | |
907 | struct nfs_page *req; /* multi ops per nfs_page */ | |
908 | struct page **pagevec; | |
909 | unsigned int npages; /* Max length of pagevec */ | |
910 | struct nfs_writeargs args; /* argument struct */ | |
911 | struct nfs_writeres res; /* result struct */ | |
912 | #ifdef CONFIG_NFS_V4 | |
913 | unsigned long timestamp; /* For lease renewal */ | |
914 | #endif | |
915 | struct page *page_array[NFS_PAGEVEC_SIZE]; | |
916 | }; | |
917 | ||
918 | struct nfs_access_entry; | |
919 | ||
920 | /* | |
921 | * RPC procedure vector for NFSv2/NFSv3 demuxing | |
922 | */ | |
923 | struct nfs_rpc_ops { | |
924 | u32 version; /* Protocol version */ | |
925 | const struct dentry_operations *dentry_ops; | |
926 | const struct inode_operations *dir_inode_ops; | |
927 | const struct inode_operations *file_inode_ops; | |
928 | ||
929 | int (*getroot) (struct nfs_server *, struct nfs_fh *, | |
930 | struct nfs_fsinfo *); | |
931 | int (*lookupfh)(struct nfs_server *, struct nfs_fh *, | |
932 | struct qstr *, struct nfs_fh *, | |
933 | struct nfs_fattr *); | |
934 | int (*getattr) (struct nfs_server *, struct nfs_fh *, | |
935 | struct nfs_fattr *); | |
936 | int (*setattr) (struct dentry *, struct nfs_fattr *, | |
937 | struct iattr *); | |
938 | int (*lookup) (struct inode *, struct qstr *, | |
939 | struct nfs_fh *, struct nfs_fattr *); | |
940 | int (*access) (struct inode *, struct nfs_access_entry *); | |
941 | int (*readlink)(struct inode *, struct page *, unsigned int, | |
942 | unsigned int); | |
943 | int (*create) (struct inode *, struct dentry *, | |
944 | struct iattr *, int, struct nameidata *); | |
945 | int (*remove) (struct inode *, struct qstr *); | |
946 | void (*unlink_setup) (struct rpc_message *, struct inode *dir); | |
947 | int (*unlink_done) (struct rpc_task *, struct inode *); | |
948 | int (*rename) (struct inode *, struct qstr *, | |
949 | struct inode *, struct qstr *); | |
950 | int (*link) (struct inode *, struct inode *, struct qstr *); | |
951 | int (*symlink) (struct inode *, struct dentry *, struct page *, | |
952 | unsigned int, struct iattr *); | |
953 | int (*mkdir) (struct inode *, struct dentry *, struct iattr *); | |
954 | int (*rmdir) (struct inode *, struct qstr *); | |
955 | int (*readdir) (struct dentry *, struct rpc_cred *, | |
956 | u64, struct page *, unsigned int, int); | |
957 | int (*mknod) (struct inode *, struct dentry *, struct iattr *, | |
958 | dev_t); | |
959 | int (*statfs) (struct nfs_server *, struct nfs_fh *, | |
960 | struct nfs_fsstat *); | |
961 | int (*fsinfo) (struct nfs_server *, struct nfs_fh *, | |
962 | struct nfs_fsinfo *); | |
963 | int (*pathconf) (struct nfs_server *, struct nfs_fh *, | |
964 | struct nfs_pathconf *); | |
965 | int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); | |
966 | __be32 *(*decode_dirent)(__be32 *, struct nfs_entry *, int plus); | |
967 | void (*read_setup) (struct nfs_read_data *, struct rpc_message *); | |
968 | int (*read_done) (struct rpc_task *, struct nfs_read_data *); | |
969 | void (*write_setup) (struct nfs_write_data *, struct rpc_message *); | |
970 | int (*write_done) (struct rpc_task *, struct nfs_write_data *); | |
971 | void (*commit_setup) (struct nfs_write_data *, struct rpc_message *); | |
972 | int (*commit_done) (struct rpc_task *, struct nfs_write_data *); | |
973 | int (*lock)(struct file *, int, struct file_lock *); | |
974 | int (*lock_check_bounds)(const struct file_lock *); | |
975 | void (*clear_acl_cache)(struct inode *); | |
976 | void (*close_context)(struct nfs_open_context *ctx, int); | |
977 | }; | |
978 | ||
979 | /* | |
980 | * NFS_CALL(getattr, inode, (fattr)); | |
981 | * into | |
982 | * NFS_PROTO(inode)->getattr(fattr); | |
983 | */ | |
984 | #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args | |
985 | ||
986 | /* | |
987 | * Function vectors etc. for the NFS client | |
988 | */ | |
989 | extern const struct nfs_rpc_ops nfs_v2_clientops; | |
990 | extern const struct nfs_rpc_ops nfs_v3_clientops; | |
991 | extern const struct nfs_rpc_ops nfs_v4_clientops; | |
992 | extern struct rpc_version nfs_version2; | |
993 | extern struct rpc_version nfs_version3; | |
994 | extern struct rpc_version nfs_version4; | |
995 | ||
996 | extern struct rpc_version nfsacl_version3; | |
997 | extern struct rpc_program nfsacl_program; | |
998 | ||
999 | #endif |