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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 | 29 | struct nfs_fattr { |
9e6e70f8 | 30 | unsigned int valid; /* which fields are valid */ |
1da177e4 LT |
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 | ||
9e6e70f8 TM |
62 | #define NFS_ATTR_FATTR_TYPE (1U << 0) |
63 | #define NFS_ATTR_FATTR_MODE (1U << 1) | |
64 | #define NFS_ATTR_FATTR_NLINK (1U << 2) | |
65 | #define NFS_ATTR_FATTR_OWNER (1U << 3) | |
66 | #define NFS_ATTR_FATTR_GROUP (1U << 4) | |
67 | #define NFS_ATTR_FATTR_RDEV (1U << 5) | |
68 | #define NFS_ATTR_FATTR_SIZE (1U << 6) | |
69 | #define NFS_ATTR_FATTR_PRESIZE (1U << 7) | |
70 | #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8) | |
71 | #define NFS_ATTR_FATTR_SPACE_USED (1U << 9) | |
72 | #define NFS_ATTR_FATTR_FSID (1U << 10) | |
73 | #define NFS_ATTR_FATTR_FILEID (1U << 11) | |
74 | #define NFS_ATTR_FATTR_ATIME (1U << 12) | |
75 | #define NFS_ATTR_FATTR_MTIME (1U << 13) | |
76 | #define NFS_ATTR_FATTR_CTIME (1U << 14) | |
77 | #define NFS_ATTR_FATTR_PREMTIME (1U << 15) | |
78 | #define NFS_ATTR_FATTR_PRECTIME (1U << 16) | |
79 | #define NFS_ATTR_FATTR_CHANGE (1U << 17) | |
80 | #define NFS_ATTR_FATTR_PRECHANGE (1U << 18) | |
81 | #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */ | |
82 | ||
83 | #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \ | |
84 | | NFS_ATTR_FATTR_MODE \ | |
85 | | NFS_ATTR_FATTR_NLINK \ | |
86 | | NFS_ATTR_FATTR_OWNER \ | |
87 | | NFS_ATTR_FATTR_GROUP \ | |
88 | | NFS_ATTR_FATTR_RDEV \ | |
89 | | NFS_ATTR_FATTR_SIZE \ | |
90 | | NFS_ATTR_FATTR_FSID \ | |
91 | | NFS_ATTR_FATTR_FILEID \ | |
92 | | NFS_ATTR_FATTR_ATIME \ | |
93 | | NFS_ATTR_FATTR_MTIME \ | |
94 | | NFS_ATTR_FATTR_CTIME) | |
95 | #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \ | |
96 | | NFS_ATTR_FATTR_BLOCKS_USED) | |
97 | #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \ | |
98 | | NFS_ATTR_FATTR_SPACE_USED) | |
99 | #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \ | |
100 | | NFS_ATTR_FATTR_SPACE_USED \ | |
101 | | NFS_ATTR_FATTR_CHANGE) | |
1da177e4 LT |
102 | |
103 | /* | |
104 | * Info on the file system | |
105 | */ | |
106 | struct nfs_fsinfo { | |
107 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
108 | __u32 rtmax; /* max. read transfer size */ | |
109 | __u32 rtpref; /* pref. read transfer size */ | |
110 | __u32 rtmult; /* reads should be multiple of this */ | |
111 | __u32 wtmax; /* max. write transfer size */ | |
112 | __u32 wtpref; /* pref. write transfer size */ | |
113 | __u32 wtmult; /* writes should be multiple of this */ | |
114 | __u32 dtpref; /* pref. readdir transfer size */ | |
115 | __u64 maxfilesize; | |
116 | __u32 lease_time; /* in seconds */ | |
117 | }; | |
118 | ||
119 | struct nfs_fsstat { | |
120 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
121 | __u64 tbytes; /* total size in bytes */ | |
122 | __u64 fbytes; /* # of free bytes */ | |
123 | __u64 abytes; /* # of bytes available to user */ | |
124 | __u64 tfiles; /* # of files */ | |
125 | __u64 ffiles; /* # of free files */ | |
126 | __u64 afiles; /* # of files available to user */ | |
127 | }; | |
128 | ||
129 | struct nfs2_fsstat { | |
130 | __u32 tsize; /* Server transfer size */ | |
131 | __u32 bsize; /* Filesystem block size */ | |
132 | __u32 blocks; /* No. of "bsize" blocks on filesystem */ | |
133 | __u32 bfree; /* No. of free "bsize" blocks */ | |
134 | __u32 bavail; /* No. of available "bsize" blocks */ | |
135 | }; | |
136 | ||
137 | struct nfs_pathconf { | |
138 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
139 | __u32 max_link; /* max # of hard links */ | |
140 | __u32 max_namelen; /* max name length */ | |
141 | }; | |
142 | ||
143 | struct nfs4_change_info { | |
144 | u32 atomic; | |
145 | u64 before; | |
146 | u64 after; | |
147 | }; | |
148 | ||
cee54fc9 | 149 | struct nfs_seqid; |
1da177e4 LT |
150 | /* |
151 | * Arguments to the open call. | |
152 | */ | |
153 | struct nfs_openargs { | |
154 | const struct nfs_fh * fh; | |
cee54fc9 | 155 | struct nfs_seqid * seqid; |
1da177e4 | 156 | int open_flags; |
dc0b027d | 157 | fmode_t fmode; |
1da177e4 | 158 | __u64 clientid; |
9f958ab8 | 159 | __u64 id; |
1da177e4 LT |
160 | union { |
161 | struct iattr * attrs; /* UNCHECKED, GUARDED */ | |
162 | nfs4_verifier verifier; /* EXCLUSIVE */ | |
163 | nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ | |
bd7bf9d5 | 164 | fmode_t delegation_type; /* CLAIM_PREVIOUS */ |
1da177e4 LT |
165 | } u; |
166 | const struct qstr * name; | |
167 | const struct nfs_server *server; /* Needed for ID mapping */ | |
168 | const u32 * bitmask; | |
169 | __u32 claim; | |
170 | }; | |
171 | ||
172 | struct nfs_openres { | |
173 | nfs4_stateid stateid; | |
174 | struct nfs_fh fh; | |
175 | struct nfs4_change_info cinfo; | |
176 | __u32 rflags; | |
177 | struct nfs_fattr * f_attr; | |
56ae19f3 | 178 | struct nfs_fattr * dir_attr; |
c1d51931 | 179 | struct nfs_seqid * seqid; |
1da177e4 | 180 | const struct nfs_server *server; |
bd7bf9d5 | 181 | fmode_t delegation_type; |
1da177e4 LT |
182 | nfs4_stateid delegation; |
183 | __u32 do_recall; | |
184 | __u64 maxsize; | |
aa53ed54 | 185 | __u32 attrset[NFS4_BITMAP_SIZE]; |
1da177e4 LT |
186 | }; |
187 | ||
188 | /* | |
189 | * Arguments to the open_confirm call. | |
190 | */ | |
191 | struct nfs_open_confirmargs { | |
192 | const struct nfs_fh * fh; | |
cdd4e68b | 193 | nfs4_stateid * stateid; |
cee54fc9 | 194 | struct nfs_seqid * seqid; |
1da177e4 LT |
195 | }; |
196 | ||
197 | struct nfs_open_confirmres { | |
198 | nfs4_stateid stateid; | |
c1d51931 | 199 | struct nfs_seqid * seqid; |
1da177e4 LT |
200 | }; |
201 | ||
202 | /* | |
203 | * Arguments to the close call. | |
204 | */ | |
205 | struct nfs_closeargs { | |
206 | struct nfs_fh * fh; | |
9512135d | 207 | nfs4_stateid * stateid; |
cee54fc9 | 208 | struct nfs_seqid * seqid; |
dc0b027d | 209 | fmode_t fmode; |
516a6af6 | 210 | const u32 * bitmask; |
1da177e4 LT |
211 | }; |
212 | ||
213 | struct nfs_closeres { | |
214 | nfs4_stateid stateid; | |
516a6af6 | 215 | struct nfs_fattr * fattr; |
c1d51931 | 216 | struct nfs_seqid * seqid; |
516a6af6 | 217 | const struct nfs_server *server; |
1da177e4 LT |
218 | }; |
219 | /* | |
220 | * * Arguments to the lock,lockt, and locku call. | |
221 | * */ | |
222 | struct nfs_lowner { | |
911d1aaf | 223 | __u64 clientid; |
9f958ab8 | 224 | __u64 id; |
1da177e4 LT |
225 | }; |
226 | ||
911d1aaf TM |
227 | struct nfs_lock_args { |
228 | struct nfs_fh * fh; | |
229 | struct file_lock * fl; | |
cee54fc9 | 230 | struct nfs_seqid * lock_seqid; |
06735b34 TM |
231 | nfs4_stateid * lock_stateid; |
232 | struct nfs_seqid * open_seqid; | |
233 | nfs4_stateid * open_stateid; | |
911d1aaf TM |
234 | struct nfs_lowner lock_owner; |
235 | unsigned char block : 1; | |
236 | unsigned char reclaim : 1; | |
237 | unsigned char new_lock_owner : 1; | |
238 | }; | |
239 | ||
240 | struct nfs_lock_res { | |
c1d51931 TM |
241 | nfs4_stateid stateid; |
242 | struct nfs_seqid * lock_seqid; | |
243 | struct nfs_seqid * open_seqid; | |
1da177e4 LT |
244 | }; |
245 | ||
911d1aaf TM |
246 | struct nfs_locku_args { |
247 | struct nfs_fh * fh; | |
248 | struct file_lock * fl; | |
cee54fc9 | 249 | struct nfs_seqid * seqid; |
faf5f49c | 250 | nfs4_stateid * stateid; |
1da177e4 LT |
251 | }; |
252 | ||
911d1aaf | 253 | struct nfs_locku_res { |
c1d51931 TM |
254 | nfs4_stateid stateid; |
255 | struct nfs_seqid * seqid; | |
1da177e4 LT |
256 | }; |
257 | ||
911d1aaf TM |
258 | struct nfs_lockt_args { |
259 | struct nfs_fh * fh; | |
260 | struct file_lock * fl; | |
261 | struct nfs_lowner lock_owner; | |
1da177e4 LT |
262 | }; |
263 | ||
911d1aaf TM |
264 | struct nfs_lockt_res { |
265 | struct file_lock * denied; /* LOCK, LOCKT failed */ | |
1da177e4 LT |
266 | }; |
267 | ||
268 | struct nfs4_delegreturnargs { | |
269 | const struct nfs_fh *fhandle; | |
270 | const nfs4_stateid *stateid; | |
fa178f29 TM |
271 | const u32 * bitmask; |
272 | }; | |
273 | ||
274 | struct nfs4_delegreturnres { | |
275 | struct nfs_fattr * fattr; | |
276 | const struct nfs_server *server; | |
1da177e4 LT |
277 | }; |
278 | ||
279 | /* | |
280 | * Arguments to the read call. | |
281 | */ | |
1da177e4 LT |
282 | struct nfs_readargs { |
283 | struct nfs_fh * fh; | |
284 | struct nfs_open_context *context; | |
285 | __u64 offset; | |
286 | __u32 count; | |
287 | unsigned int pgbase; | |
288 | struct page ** pages; | |
289 | }; | |
290 | ||
291 | struct nfs_readres { | |
292 | struct nfs_fattr * fattr; | |
293 | __u32 count; | |
294 | int eof; | |
295 | }; | |
296 | ||
297 | /* | |
298 | * Arguments to the write call. | |
299 | */ | |
1da177e4 LT |
300 | struct nfs_writeargs { |
301 | struct nfs_fh * fh; | |
302 | struct nfs_open_context *context; | |
303 | __u64 offset; | |
304 | __u32 count; | |
305 | enum nfs3_stable_how stable; | |
306 | unsigned int pgbase; | |
307 | struct page ** pages; | |
4f9838c7 | 308 | const u32 * bitmask; |
1da177e4 LT |
309 | }; |
310 | ||
311 | struct nfs_writeverf { | |
312 | enum nfs3_stable_how committed; | |
bc4785cd | 313 | __be32 verifier[2]; |
1da177e4 LT |
314 | }; |
315 | ||
316 | struct nfs_writeres { | |
317 | struct nfs_fattr * fattr; | |
318 | struct nfs_writeverf * verf; | |
319 | __u32 count; | |
4f9838c7 | 320 | const struct nfs_server *server; |
1da177e4 LT |
321 | }; |
322 | ||
4fdc17b2 TM |
323 | /* |
324 | * Common arguments to the unlink call | |
325 | */ | |
326 | struct nfs_removeargs { | |
327 | const struct nfs_fh *fh; | |
328 | struct qstr name; | |
329 | const u32 * bitmask; | |
330 | }; | |
331 | ||
332 | struct nfs_removeres { | |
333 | const struct nfs_server *server; | |
334 | struct nfs4_change_info cinfo; | |
335 | struct nfs_fattr dir_attr; | |
336 | }; | |
337 | ||
1da177e4 LT |
338 | /* |
339 | * Argument struct for decode_entry function | |
340 | */ | |
341 | struct nfs_entry { | |
342 | __u64 ino; | |
343 | __u64 cookie, | |
344 | prev_cookie; | |
345 | const char * name; | |
346 | unsigned int len; | |
347 | int eof; | |
348 | struct nfs_fh * fh; | |
349 | struct nfs_fattr * fattr; | |
350 | }; | |
351 | ||
352 | /* | |
353 | * The following types are for NFSv2 only. | |
354 | */ | |
355 | struct nfs_sattrargs { | |
356 | struct nfs_fh * fh; | |
357 | struct iattr * sattr; | |
358 | }; | |
359 | ||
360 | struct nfs_diropargs { | |
361 | struct nfs_fh * fh; | |
362 | const char * name; | |
363 | unsigned int len; | |
364 | }; | |
365 | ||
366 | struct nfs_createargs { | |
367 | struct nfs_fh * fh; | |
368 | const char * name; | |
369 | unsigned int len; | |
370 | struct iattr * sattr; | |
371 | }; | |
372 | ||
373 | struct nfs_renameargs { | |
374 | struct nfs_fh * fromfh; | |
375 | const char * fromname; | |
376 | unsigned int fromlen; | |
377 | struct nfs_fh * tofh; | |
378 | const char * toname; | |
379 | unsigned int tolen; | |
380 | }; | |
381 | ||
382 | struct nfs_setattrargs { | |
383 | struct nfs_fh * fh; | |
384 | nfs4_stateid stateid; | |
385 | struct iattr * iap; | |
386 | const struct nfs_server * server; /* Needed for name mapping */ | |
387 | const u32 * bitmask; | |
388 | }; | |
389 | ||
23ec6965 BF |
390 | struct nfs_setaclargs { |
391 | struct nfs_fh * fh; | |
392 | size_t acl_len; | |
393 | unsigned int acl_pgbase; | |
394 | struct page ** acl_pages; | |
395 | }; | |
396 | ||
029d105e BF |
397 | struct nfs_getaclargs { |
398 | struct nfs_fh * fh; | |
399 | size_t acl_len; | |
400 | unsigned int acl_pgbase; | |
401 | struct page ** acl_pages; | |
402 | }; | |
403 | ||
1da177e4 LT |
404 | struct nfs_setattrres { |
405 | struct nfs_fattr * fattr; | |
406 | const struct nfs_server * server; | |
407 | }; | |
408 | ||
409 | struct nfs_linkargs { | |
410 | struct nfs_fh * fromfh; | |
411 | struct nfs_fh * tofh; | |
412 | const char * toname; | |
413 | unsigned int tolen; | |
414 | }; | |
415 | ||
416 | struct nfs_symlinkargs { | |
417 | struct nfs_fh * fromfh; | |
418 | const char * fromname; | |
419 | unsigned int fromlen; | |
94a6d753 CL |
420 | struct page ** pages; |
421 | unsigned int pathlen; | |
1da177e4 LT |
422 | struct iattr * sattr; |
423 | }; | |
424 | ||
425 | struct nfs_readdirargs { | |
426 | struct nfs_fh * fh; | |
427 | __u32 cookie; | |
428 | unsigned int count; | |
429 | struct page ** pages; | |
430 | }; | |
431 | ||
b7fa0554 AG |
432 | struct nfs3_getaclargs { |
433 | struct nfs_fh * fh; | |
434 | int mask; | |
435 | struct page ** pages; | |
436 | }; | |
437 | ||
438 | struct nfs3_setaclargs { | |
439 | struct inode * inode; | |
440 | int mask; | |
441 | struct posix_acl * acl_access; | |
442 | struct posix_acl * acl_default; | |
ae46141f TM |
443 | size_t len; |
444 | unsigned int npages; | |
b7fa0554 AG |
445 | struct page ** pages; |
446 | }; | |
447 | ||
1da177e4 LT |
448 | struct nfs_diropok { |
449 | struct nfs_fh * fh; | |
450 | struct nfs_fattr * fattr; | |
451 | }; | |
452 | ||
453 | struct nfs_readlinkargs { | |
454 | struct nfs_fh * fh; | |
455 | unsigned int pgbase; | |
456 | unsigned int pglen; | |
457 | struct page ** pages; | |
458 | }; | |
459 | ||
460 | struct nfs3_sattrargs { | |
461 | struct nfs_fh * fh; | |
462 | struct iattr * sattr; | |
463 | unsigned int guard; | |
464 | struct timespec guardtime; | |
465 | }; | |
466 | ||
467 | struct nfs3_diropargs { | |
468 | struct nfs_fh * fh; | |
469 | const char * name; | |
470 | unsigned int len; | |
471 | }; | |
472 | ||
473 | struct nfs3_accessargs { | |
474 | struct nfs_fh * fh; | |
475 | __u32 access; | |
476 | }; | |
477 | ||
478 | struct nfs3_createargs { | |
479 | struct nfs_fh * fh; | |
480 | const char * name; | |
481 | unsigned int len; | |
482 | struct iattr * sattr; | |
483 | enum nfs3_createmode createmode; | |
bc4785cd | 484 | __be32 verifier[2]; |
1da177e4 LT |
485 | }; |
486 | ||
487 | struct nfs3_mkdirargs { | |
488 | struct nfs_fh * fh; | |
489 | const char * name; | |
490 | unsigned int len; | |
491 | struct iattr * sattr; | |
492 | }; | |
493 | ||
494 | struct nfs3_symlinkargs { | |
495 | struct nfs_fh * fromfh; | |
496 | const char * fromname; | |
497 | unsigned int fromlen; | |
94a6d753 CL |
498 | struct page ** pages; |
499 | unsigned int pathlen; | |
1da177e4 LT |
500 | struct iattr * sattr; |
501 | }; | |
502 | ||
503 | struct nfs3_mknodargs { | |
504 | struct nfs_fh * fh; | |
505 | const char * name; | |
506 | unsigned int len; | |
507 | enum nfs3_ftype type; | |
508 | struct iattr * sattr; | |
509 | dev_t rdev; | |
510 | }; | |
511 | ||
512 | struct nfs3_renameargs { | |
513 | struct nfs_fh * fromfh; | |
514 | const char * fromname; | |
515 | unsigned int fromlen; | |
516 | struct nfs_fh * tofh; | |
517 | const char * toname; | |
518 | unsigned int tolen; | |
519 | }; | |
520 | ||
521 | struct nfs3_linkargs { | |
522 | struct nfs_fh * fromfh; | |
523 | struct nfs_fh * tofh; | |
524 | const char * toname; | |
525 | unsigned int tolen; | |
526 | }; | |
527 | ||
528 | struct nfs3_readdirargs { | |
529 | struct nfs_fh * fh; | |
530 | __u64 cookie; | |
bc4785cd | 531 | __be32 verf[2]; |
1da177e4 LT |
532 | int plus; |
533 | unsigned int count; | |
534 | struct page ** pages; | |
535 | }; | |
536 | ||
537 | struct nfs3_diropres { | |
538 | struct nfs_fattr * dir_attr; | |
539 | struct nfs_fh * fh; | |
540 | struct nfs_fattr * fattr; | |
541 | }; | |
542 | ||
543 | struct nfs3_accessres { | |
544 | struct nfs_fattr * fattr; | |
545 | __u32 access; | |
546 | }; | |
547 | ||
548 | struct nfs3_readlinkargs { | |
549 | struct nfs_fh * fh; | |
550 | unsigned int pgbase; | |
551 | unsigned int pglen; | |
552 | struct page ** pages; | |
553 | }; | |
554 | ||
555 | struct nfs3_renameres { | |
556 | struct nfs_fattr * fromattr; | |
557 | struct nfs_fattr * toattr; | |
558 | }; | |
559 | ||
560 | struct nfs3_linkres { | |
561 | struct nfs_fattr * dir_attr; | |
562 | struct nfs_fattr * fattr; | |
563 | }; | |
564 | ||
565 | struct nfs3_readdirres { | |
566 | struct nfs_fattr * dir_attr; | |
bc4785cd | 567 | __be32 * verf; |
1da177e4 LT |
568 | int plus; |
569 | }; | |
570 | ||
b7fa0554 AG |
571 | struct nfs3_getaclres { |
572 | struct nfs_fattr * fattr; | |
573 | int mask; | |
574 | unsigned int acl_access_count; | |
575 | unsigned int acl_default_count; | |
576 | struct posix_acl * acl_access; | |
577 | struct posix_acl * acl_default; | |
578 | }; | |
579 | ||
1da177e4 LT |
580 | #ifdef CONFIG_NFS_V4 |
581 | ||
582 | typedef u64 clientid4; | |
583 | ||
584 | struct nfs4_accessargs { | |
585 | const struct nfs_fh * fh; | |
76b32999 | 586 | const u32 * bitmask; |
1da177e4 LT |
587 | u32 access; |
588 | }; | |
589 | ||
590 | struct nfs4_accessres { | |
76b32999 TM |
591 | const struct nfs_server * server; |
592 | struct nfs_fattr * fattr; | |
1da177e4 LT |
593 | u32 supported; |
594 | u32 access; | |
595 | }; | |
596 | ||
597 | struct nfs4_create_arg { | |
598 | u32 ftype; | |
599 | union { | |
94a6d753 CL |
600 | struct { |
601 | struct page ** pages; | |
602 | unsigned int len; | |
603 | } symlink; /* NF4LNK */ | |
1da177e4 LT |
604 | struct { |
605 | u32 specdata1; | |
606 | u32 specdata2; | |
607 | } device; /* NF4BLK, NF4CHR */ | |
608 | } u; | |
609 | const struct qstr * name; | |
610 | const struct nfs_server * server; | |
611 | const struct iattr * attrs; | |
612 | const struct nfs_fh * dir_fh; | |
613 | const u32 * bitmask; | |
614 | }; | |
615 | ||
616 | struct nfs4_create_res { | |
617 | const struct nfs_server * server; | |
618 | struct nfs_fh * fh; | |
619 | struct nfs_fattr * fattr; | |
620 | struct nfs4_change_info dir_cinfo; | |
56ae19f3 | 621 | struct nfs_fattr * dir_fattr; |
1da177e4 LT |
622 | }; |
623 | ||
624 | struct nfs4_fsinfo_arg { | |
625 | const struct nfs_fh * fh; | |
626 | const u32 * bitmask; | |
627 | }; | |
628 | ||
629 | struct nfs4_getattr_arg { | |
630 | const struct nfs_fh * fh; | |
631 | const u32 * bitmask; | |
632 | }; | |
633 | ||
634 | struct nfs4_getattr_res { | |
635 | const struct nfs_server * server; | |
636 | struct nfs_fattr * fattr; | |
637 | }; | |
638 | ||
639 | struct nfs4_link_arg { | |
640 | const struct nfs_fh * fh; | |
641 | const struct nfs_fh * dir_fh; | |
642 | const struct qstr * name; | |
91ba2eee TM |
643 | const u32 * bitmask; |
644 | }; | |
645 | ||
646 | struct nfs4_link_res { | |
647 | const struct nfs_server * server; | |
648 | struct nfs_fattr * fattr; | |
649 | struct nfs4_change_info cinfo; | |
650 | struct nfs_fattr * dir_attr; | |
1da177e4 LT |
651 | }; |
652 | ||
91ba2eee | 653 | |
1da177e4 LT |
654 | struct nfs4_lookup_arg { |
655 | const struct nfs_fh * dir_fh; | |
656 | const struct qstr * name; | |
657 | const u32 * bitmask; | |
658 | }; | |
659 | ||
660 | struct nfs4_lookup_res { | |
661 | const struct nfs_server * server; | |
662 | struct nfs_fattr * fattr; | |
663 | struct nfs_fh * fh; | |
664 | }; | |
665 | ||
666 | struct nfs4_lookup_root_arg { | |
667 | const u32 * bitmask; | |
668 | }; | |
669 | ||
670 | struct nfs4_pathconf_arg { | |
671 | const struct nfs_fh * fh; | |
672 | const u32 * bitmask; | |
673 | }; | |
674 | ||
675 | struct nfs4_readdir_arg { | |
676 | const struct nfs_fh * fh; | |
677 | u64 cookie; | |
678 | nfs4_verifier verifier; | |
679 | u32 count; | |
680 | struct page ** pages; /* zero-copy data */ | |
681 | unsigned int pgbase; /* zero-copy data */ | |
682 | const u32 * bitmask; | |
683 | }; | |
684 | ||
685 | struct nfs4_readdir_res { | |
686 | nfs4_verifier verifier; | |
687 | unsigned int pgbase; | |
688 | }; | |
689 | ||
690 | struct nfs4_readlink { | |
691 | const struct nfs_fh * fh; | |
692 | unsigned int pgbase; | |
693 | unsigned int pglen; /* zero-copy data */ | |
694 | struct page ** pages; /* zero-copy data */ | |
695 | }; | |
696 | ||
1da177e4 LT |
697 | struct nfs4_rename_arg { |
698 | const struct nfs_fh * old_dir; | |
699 | const struct nfs_fh * new_dir; | |
700 | const struct qstr * old_name; | |
701 | const struct qstr * new_name; | |
6caf2c82 | 702 | const u32 * bitmask; |
1da177e4 LT |
703 | }; |
704 | ||
705 | struct nfs4_rename_res { | |
6caf2c82 | 706 | const struct nfs_server * server; |
1da177e4 | 707 | struct nfs4_change_info old_cinfo; |
6caf2c82 | 708 | struct nfs_fattr * old_fattr; |
1da177e4 | 709 | struct nfs4_change_info new_cinfo; |
6caf2c82 | 710 | struct nfs_fattr * new_fattr; |
1da177e4 LT |
711 | }; |
712 | ||
19d771f3 | 713 | #define NFS4_SETCLIENTID_NAMELEN (127) |
1da177e4 | 714 | struct nfs4_setclientid { |
cc38bac3 | 715 | const nfs4_verifier * sc_verifier; |
1da177e4 | 716 | unsigned int sc_name_len; |
d1ce02e1 | 717 | char sc_name[NFS4_SETCLIENTID_NAMELEN + 1]; |
cc38bac3 | 718 | u32 sc_prog; |
1da177e4 | 719 | unsigned int sc_netid_len; |
d1ce02e1 | 720 | char sc_netid[RPCBIND_MAXNETIDLEN + 1]; |
1da177e4 | 721 | unsigned int sc_uaddr_len; |
d1ce02e1 | 722 | char sc_uaddr[RPCBIND_MAXUADDRLEN + 1]; |
cc38bac3 | 723 | u32 sc_cb_ident; |
1da177e4 LT |
724 | }; |
725 | ||
726 | struct nfs4_statfs_arg { | |
727 | const struct nfs_fh * fh; | |
728 | const u32 * bitmask; | |
729 | }; | |
730 | ||
731 | struct nfs4_server_caps_res { | |
732 | u32 attr_bitmask[2]; | |
733 | u32 acl_bitmask; | |
734 | u32 has_links; | |
735 | u32 has_symlinks; | |
736 | }; | |
737 | ||
7aaa0b3b MN |
738 | struct nfs4_string { |
739 | unsigned int len; | |
740 | char *data; | |
683b57b4 TM |
741 | }; |
742 | ||
7aaa0b3b MN |
743 | #define NFS4_PATHNAME_MAXCOMPONENTS 512 |
744 | struct nfs4_pathname { | |
745 | unsigned int ncomponents; | |
746 | struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS]; | |
747 | }; | |
748 | ||
749 | #define NFS4_FS_LOCATION_MAXSERVERS 10 | |
750 | struct nfs4_fs_location { | |
751 | unsigned int nservers; | |
752 | struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS]; | |
753 | struct nfs4_pathname rootpath; | |
754 | }; | |
755 | ||
756 | #define NFS4_FS_LOCATIONS_MAXENTRIES 10 | |
757 | struct nfs4_fs_locations { | |
683b57b4 TM |
758 | struct nfs_fattr fattr; |
759 | const struct nfs_server *server; | |
7aaa0b3b | 760 | struct nfs4_pathname fs_path; |
683b57b4 | 761 | int nlocations; |
7aaa0b3b | 762 | struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES]; |
683b57b4 TM |
763 | }; |
764 | ||
765 | struct nfs4_fs_locations_arg { | |
766 | const struct nfs_fh *dir_fh; | |
767 | const struct qstr *name; | |
768 | struct page *page; | |
769 | const u32 *bitmask; | |
770 | }; | |
771 | ||
1da177e4 LT |
772 | #endif /* CONFIG_NFS_V4 */ |
773 | ||
774 | struct nfs_page; | |
775 | ||
40859d7e CL |
776 | #define NFS_PAGEVEC_SIZE (8U) |
777 | ||
1da177e4 LT |
778 | struct nfs_read_data { |
779 | int flags; | |
780 | struct rpc_task task; | |
781 | struct inode *inode; | |
782 | struct rpc_cred *cred; | |
783 | struct nfs_fattr fattr; /* fattr storage */ | |
784 | struct list_head pages; /* Coalesced read requests */ | |
785 | struct nfs_page *req; /* multi ops per nfs_page */ | |
40859d7e | 786 | struct page **pagevec; |
e9f7bee1 | 787 | unsigned int npages; /* Max length of pagevec */ |
1da177e4 LT |
788 | struct nfs_readargs args; |
789 | struct nfs_readres res; | |
790 | #ifdef CONFIG_NFS_V4 | |
791 | unsigned long timestamp; /* For lease renewal */ | |
792 | #endif | |
0d0b5cb3 | 793 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
1da177e4 LT |
794 | }; |
795 | ||
796 | struct nfs_write_data { | |
797 | int flags; | |
798 | struct rpc_task task; | |
799 | struct inode *inode; | |
800 | struct rpc_cred *cred; | |
801 | struct nfs_fattr fattr; | |
802 | struct nfs_writeverf verf; | |
803 | struct list_head pages; /* Coalesced requests we wish to flush */ | |
804 | struct nfs_page *req; /* multi ops per nfs_page */ | |
40859d7e | 805 | struct page **pagevec; |
e9f7bee1 | 806 | unsigned int npages; /* Max length of pagevec */ |
1da177e4 LT |
807 | struct nfs_writeargs args; /* argument struct */ |
808 | struct nfs_writeres res; /* result struct */ | |
809 | #ifdef CONFIG_NFS_V4 | |
810 | unsigned long timestamp; /* For lease renewal */ | |
811 | #endif | |
0d0b5cb3 | 812 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
1da177e4 LT |
813 | }; |
814 | ||
815 | struct nfs_access_entry; | |
816 | ||
817 | /* | |
818 | * RPC procedure vector for NFSv2/NFSv3 demuxing | |
819 | */ | |
820 | struct nfs_rpc_ops { | |
c0e07cb6 | 821 | u32 version; /* Protocol version */ |
1da177e4 | 822 | struct dentry_operations *dentry_ops; |
c5ef1c42 AV |
823 | const struct inode_operations *dir_inode_ops; |
824 | const struct inode_operations *file_inode_ops; | |
1da177e4 LT |
825 | |
826 | int (*getroot) (struct nfs_server *, struct nfs_fh *, | |
827 | struct nfs_fsinfo *); | |
2b3de441 DH |
828 | int (*lookupfh)(struct nfs_server *, struct nfs_fh *, |
829 | struct qstr *, struct nfs_fh *, | |
830 | struct nfs_fattr *); | |
1da177e4 LT |
831 | int (*getattr) (struct nfs_server *, struct nfs_fh *, |
832 | struct nfs_fattr *); | |
833 | int (*setattr) (struct dentry *, struct nfs_fattr *, | |
834 | struct iattr *); | |
835 | int (*lookup) (struct inode *, struct qstr *, | |
836 | struct nfs_fh *, struct nfs_fattr *); | |
837 | int (*access) (struct inode *, struct nfs_access_entry *); | |
838 | int (*readlink)(struct inode *, struct page *, unsigned int, | |
839 | unsigned int); | |
1da177e4 | 840 | int (*create) (struct inode *, struct dentry *, |
02a913a7 | 841 | struct iattr *, int, struct nameidata *); |
1da177e4 | 842 | int (*remove) (struct inode *, struct qstr *); |
e4eff1a6 TM |
843 | void (*unlink_setup) (struct rpc_message *, struct inode *dir); |
844 | int (*unlink_done) (struct rpc_task *, struct inode *); | |
1da177e4 LT |
845 | int (*rename) (struct inode *, struct qstr *, |
846 | struct inode *, struct qstr *); | |
847 | int (*link) (struct inode *, struct inode *, struct qstr *); | |
94a6d753 CL |
848 | int (*symlink) (struct inode *, struct dentry *, struct page *, |
849 | unsigned int, struct iattr *); | |
1da177e4 LT |
850 | int (*mkdir) (struct inode *, struct dentry *, struct iattr *); |
851 | int (*rmdir) (struct inode *, struct qstr *); | |
852 | int (*readdir) (struct dentry *, struct rpc_cred *, | |
853 | u64, struct page *, unsigned int, int); | |
854 | int (*mknod) (struct inode *, struct dentry *, struct iattr *, | |
855 | dev_t); | |
856 | int (*statfs) (struct nfs_server *, struct nfs_fh *, | |
857 | struct nfs_fsstat *); | |
858 | int (*fsinfo) (struct nfs_server *, struct nfs_fh *, | |
859 | struct nfs_fsinfo *); | |
860 | int (*pathconf) (struct nfs_server *, struct nfs_fh *, | |
861 | struct nfs_pathconf *); | |
e9326dca | 862 | int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); |
0dbb4c67 | 863 | __be32 *(*decode_dirent)(__be32 *, struct nfs_entry *, int plus); |
bdc7f021 | 864 | void (*read_setup) (struct nfs_read_data *, struct rpc_message *); |
ec06c096 | 865 | int (*read_done) (struct rpc_task *, struct nfs_read_data *); |
bdc7f021 | 866 | void (*write_setup) (struct nfs_write_data *, struct rpc_message *); |
788e7a89 | 867 | int (*write_done) (struct rpc_task *, struct nfs_write_data *); |
bdc7f021 | 868 | void (*commit_setup) (struct nfs_write_data *, struct rpc_message *); |
788e7a89 | 869 | int (*commit_done) (struct rpc_task *, struct nfs_write_data *); |
1da177e4 | 870 | int (*lock)(struct file *, int, struct file_lock *); |
2116271a | 871 | int (*lock_check_bounds)(const struct file_lock *); |
ada70d94 | 872 | void (*clear_acl_cache)(struct inode *); |
1da177e4 LT |
873 | }; |
874 | ||
875 | /* | |
876 | * NFS_CALL(getattr, inode, (fattr)); | |
877 | * into | |
878 | * NFS_PROTO(inode)->getattr(fattr); | |
879 | */ | |
880 | #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args | |
881 | ||
882 | /* | |
883 | * Function vectors etc. for the NFS client | |
884 | */ | |
509de811 DH |
885 | extern const struct nfs_rpc_ops nfs_v2_clientops; |
886 | extern const struct nfs_rpc_ops nfs_v3_clientops; | |
887 | extern const struct nfs_rpc_ops nfs_v4_clientops; | |
1da177e4 LT |
888 | extern struct rpc_version nfs_version2; |
889 | extern struct rpc_version nfs_version3; | |
890 | extern struct rpc_version nfs_version4; | |
891 | ||
b7fa0554 AG |
892 | extern struct rpc_version nfsacl_version3; |
893 | extern struct rpc_program nfsacl_program; | |
894 | ||
1da177e4 | 895 | #endif |