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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 */ |
bca79478 | 31 | umode_t mode; |
1da177e4 LT |
32 | __u32 nlink; |
33 | __u32 uid; | |
34 | __u32 gid; | |
9fa8d66f | 35 | dev_t rdev; |
1da177e4 LT |
36 | __u64 size; |
37 | union { | |
38 | struct { | |
39 | __u32 blocksize; | |
40 | __u32 blocks; | |
41 | } nfs2; | |
42 | struct { | |
43 | __u64 used; | |
44 | } nfs3; | |
45 | } du; | |
8b4bdcf8 | 46 | struct nfs_fsid fsid; |
1da177e4 LT |
47 | __u64 fileid; |
48 | struct timespec atime; | |
49 | struct timespec mtime; | |
50 | struct timespec ctime; | |
1da177e4 LT |
51 | __u64 change_attr; /* NFSv4 change attribute */ |
52 | __u64 pre_change_attr;/* pre-op NFSv4 change attribute */ | |
1ca277d8 TM |
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 */ | |
33801147 | 56 | unsigned long time_start; |
4704f0e2 | 57 | unsigned long gencount; |
1da177e4 LT |
58 | }; |
59 | ||
9e6e70f8 TM |
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) | |
1da177e4 LT |
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 | ||
cee54fc9 | 147 | struct nfs_seqid; |
9ff71c3a | 148 | |
557134a3 AA |
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 | ||
9ff71c3a | 164 | struct nfs4_sequence_args { |
f3752975 | 165 | struct nfs4_session *sa_session; |
fbcd4abc AA |
166 | u8 sa_slotid; |
167 | u8 sa_cache_this; | |
9ff71c3a BH |
168 | }; |
169 | ||
170 | struct nfs4_sequence_res { | |
f3752975 | 171 | struct nfs4_session *sr_session; |
5f7dbd5c | 172 | u8 sr_slotid; /* slot used to send request */ |
fbcd4abc AA |
173 | unsigned long sr_renewal_time; |
174 | int sr_status; /* sequence operation status */ | |
9ff71c3a BH |
175 | }; |
176 | ||
2050f0cc AA |
177 | struct nfs4_get_lease_time_args { |
178 | struct nfs4_sequence_args la_seq_args; | |
179 | }; | |
180 | ||
181 | struct nfs4_get_lease_time_res { | |
182 | struct nfs_fsinfo *lr_fsinfo; | |
183 | struct nfs4_sequence_res lr_seq_res; | |
184 | }; | |
185 | ||
1da177e4 LT |
186 | /* |
187 | * Arguments to the open call. | |
188 | */ | |
189 | struct nfs_openargs { | |
190 | const struct nfs_fh * fh; | |
cee54fc9 | 191 | struct nfs_seqid * seqid; |
1da177e4 | 192 | int open_flags; |
dc0b027d | 193 | fmode_t fmode; |
1da177e4 | 194 | __u64 clientid; |
9f958ab8 | 195 | __u64 id; |
1da177e4 LT |
196 | union { |
197 | struct iattr * attrs; /* UNCHECKED, GUARDED */ | |
198 | nfs4_verifier verifier; /* EXCLUSIVE */ | |
199 | nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ | |
bd7bf9d5 | 200 | fmode_t delegation_type; /* CLAIM_PREVIOUS */ |
1da177e4 LT |
201 | } u; |
202 | const struct qstr * name; | |
203 | const struct nfs_server *server; /* Needed for ID mapping */ | |
204 | const u32 * bitmask; | |
205 | __u32 claim; | |
9ff71c3a | 206 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
207 | }; |
208 | ||
209 | struct nfs_openres { | |
210 | nfs4_stateid stateid; | |
211 | struct nfs_fh fh; | |
212 | struct nfs4_change_info cinfo; | |
213 | __u32 rflags; | |
214 | struct nfs_fattr * f_attr; | |
56ae19f3 | 215 | struct nfs_fattr * dir_attr; |
c1d51931 | 216 | struct nfs_seqid * seqid; |
1da177e4 | 217 | const struct nfs_server *server; |
bd7bf9d5 | 218 | fmode_t delegation_type; |
1da177e4 LT |
219 | nfs4_stateid delegation; |
220 | __u32 do_recall; | |
221 | __u64 maxsize; | |
aa53ed54 | 222 | __u32 attrset[NFS4_BITMAP_SIZE]; |
9ff71c3a | 223 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
224 | }; |
225 | ||
226 | /* | |
227 | * Arguments to the open_confirm call. | |
228 | */ | |
229 | struct nfs_open_confirmargs { | |
230 | const struct nfs_fh * fh; | |
cdd4e68b | 231 | nfs4_stateid * stateid; |
cee54fc9 | 232 | struct nfs_seqid * seqid; |
1da177e4 LT |
233 | }; |
234 | ||
235 | struct nfs_open_confirmres { | |
236 | nfs4_stateid stateid; | |
c1d51931 | 237 | struct nfs_seqid * seqid; |
1da177e4 LT |
238 | }; |
239 | ||
240 | /* | |
241 | * Arguments to the close call. | |
242 | */ | |
243 | struct nfs_closeargs { | |
244 | struct nfs_fh * fh; | |
9512135d | 245 | nfs4_stateid * stateid; |
cee54fc9 | 246 | struct nfs_seqid * seqid; |
dc0b027d | 247 | fmode_t fmode; |
516a6af6 | 248 | const u32 * bitmask; |
9ff71c3a | 249 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
250 | }; |
251 | ||
252 | struct nfs_closeres { | |
253 | nfs4_stateid stateid; | |
516a6af6 | 254 | struct nfs_fattr * fattr; |
c1d51931 | 255 | struct nfs_seqid * seqid; |
516a6af6 | 256 | const struct nfs_server *server; |
9ff71c3a | 257 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
258 | }; |
259 | /* | |
260 | * * Arguments to the lock,lockt, and locku call. | |
261 | * */ | |
262 | struct nfs_lowner { | |
911d1aaf | 263 | __u64 clientid; |
9f958ab8 | 264 | __u64 id; |
1da177e4 LT |
265 | }; |
266 | ||
911d1aaf TM |
267 | struct nfs_lock_args { |
268 | struct nfs_fh * fh; | |
269 | struct file_lock * fl; | |
cee54fc9 | 270 | struct nfs_seqid * lock_seqid; |
06735b34 TM |
271 | nfs4_stateid * lock_stateid; |
272 | struct nfs_seqid * open_seqid; | |
273 | nfs4_stateid * open_stateid; | |
911d1aaf TM |
274 | struct nfs_lowner lock_owner; |
275 | unsigned char block : 1; | |
276 | unsigned char reclaim : 1; | |
277 | unsigned char new_lock_owner : 1; | |
9ff71c3a | 278 | struct nfs4_sequence_args seq_args; |
911d1aaf TM |
279 | }; |
280 | ||
281 | struct nfs_lock_res { | |
c1d51931 TM |
282 | nfs4_stateid stateid; |
283 | struct nfs_seqid * lock_seqid; | |
284 | struct nfs_seqid * open_seqid; | |
9ff71c3a | 285 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
286 | }; |
287 | ||
911d1aaf TM |
288 | struct nfs_locku_args { |
289 | struct nfs_fh * fh; | |
290 | struct file_lock * fl; | |
cee54fc9 | 291 | struct nfs_seqid * seqid; |
faf5f49c | 292 | nfs4_stateid * stateid; |
9ff71c3a | 293 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
294 | }; |
295 | ||
911d1aaf | 296 | struct nfs_locku_res { |
c1d51931 TM |
297 | nfs4_stateid stateid; |
298 | struct nfs_seqid * seqid; | |
9ff71c3a | 299 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
300 | }; |
301 | ||
911d1aaf TM |
302 | struct nfs_lockt_args { |
303 | struct nfs_fh * fh; | |
304 | struct file_lock * fl; | |
305 | struct nfs_lowner lock_owner; | |
9ff71c3a | 306 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
307 | }; |
308 | ||
911d1aaf TM |
309 | struct nfs_lockt_res { |
310 | struct file_lock * denied; /* LOCK, LOCKT failed */ | |
9ff71c3a | 311 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
312 | }; |
313 | ||
314 | struct nfs4_delegreturnargs { | |
315 | const struct nfs_fh *fhandle; | |
316 | const nfs4_stateid *stateid; | |
fa178f29 | 317 | const u32 * bitmask; |
9ff71c3a | 318 | struct nfs4_sequence_args seq_args; |
fa178f29 TM |
319 | }; |
320 | ||
321 | struct nfs4_delegreturnres { | |
322 | struct nfs_fattr * fattr; | |
323 | const struct nfs_server *server; | |
9ff71c3a | 324 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
325 | }; |
326 | ||
327 | /* | |
328 | * Arguments to the read call. | |
329 | */ | |
1da177e4 LT |
330 | struct nfs_readargs { |
331 | struct nfs_fh * fh; | |
332 | struct nfs_open_context *context; | |
333 | __u64 offset; | |
334 | __u32 count; | |
335 | unsigned int pgbase; | |
336 | struct page ** pages; | |
9ff71c3a | 337 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
338 | }; |
339 | ||
340 | struct nfs_readres { | |
341 | struct nfs_fattr * fattr; | |
342 | __u32 count; | |
343 | int eof; | |
9ff71c3a | 344 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
345 | }; |
346 | ||
347 | /* | |
348 | * Arguments to the write call. | |
349 | */ | |
1da177e4 LT |
350 | struct nfs_writeargs { |
351 | struct nfs_fh * fh; | |
352 | struct nfs_open_context *context; | |
353 | __u64 offset; | |
354 | __u32 count; | |
355 | enum nfs3_stable_how stable; | |
356 | unsigned int pgbase; | |
357 | struct page ** pages; | |
4f9838c7 | 358 | const u32 * bitmask; |
9ff71c3a | 359 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
360 | }; |
361 | ||
362 | struct nfs_writeverf { | |
363 | enum nfs3_stable_how committed; | |
bc4785cd | 364 | __be32 verifier[2]; |
1da177e4 LT |
365 | }; |
366 | ||
367 | struct nfs_writeres { | |
368 | struct nfs_fattr * fattr; | |
369 | struct nfs_writeverf * verf; | |
370 | __u32 count; | |
4f9838c7 | 371 | const struct nfs_server *server; |
9ff71c3a | 372 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
373 | }; |
374 | ||
4fdc17b2 TM |
375 | /* |
376 | * Common arguments to the unlink call | |
377 | */ | |
378 | struct nfs_removeargs { | |
379 | const struct nfs_fh *fh; | |
380 | struct qstr name; | |
381 | const u32 * bitmask; | |
9ff71c3a | 382 | struct nfs4_sequence_args seq_args; |
4fdc17b2 TM |
383 | }; |
384 | ||
385 | struct nfs_removeres { | |
386 | const struct nfs_server *server; | |
387 | struct nfs4_change_info cinfo; | |
388 | struct nfs_fattr dir_attr; | |
9ff71c3a | 389 | struct nfs4_sequence_res seq_res; |
4fdc17b2 TM |
390 | }; |
391 | ||
1da177e4 LT |
392 | /* |
393 | * Argument struct for decode_entry function | |
394 | */ | |
395 | struct nfs_entry { | |
396 | __u64 ino; | |
397 | __u64 cookie, | |
398 | prev_cookie; | |
399 | const char * name; | |
400 | unsigned int len; | |
401 | int eof; | |
402 | struct nfs_fh * fh; | |
403 | struct nfs_fattr * fattr; | |
404 | }; | |
405 | ||
406 | /* | |
407 | * The following types are for NFSv2 only. | |
408 | */ | |
409 | struct nfs_sattrargs { | |
410 | struct nfs_fh * fh; | |
411 | struct iattr * sattr; | |
412 | }; | |
413 | ||
414 | struct nfs_diropargs { | |
415 | struct nfs_fh * fh; | |
416 | const char * name; | |
417 | unsigned int len; | |
418 | }; | |
419 | ||
420 | struct nfs_createargs { | |
421 | struct nfs_fh * fh; | |
422 | const char * name; | |
423 | unsigned int len; | |
424 | struct iattr * sattr; | |
425 | }; | |
426 | ||
427 | struct nfs_renameargs { | |
428 | struct nfs_fh * fromfh; | |
429 | const char * fromname; | |
430 | unsigned int fromlen; | |
431 | struct nfs_fh * tofh; | |
432 | const char * toname; | |
433 | unsigned int tolen; | |
434 | }; | |
435 | ||
436 | struct nfs_setattrargs { | |
437 | struct nfs_fh * fh; | |
438 | nfs4_stateid stateid; | |
439 | struct iattr * iap; | |
440 | const struct nfs_server * server; /* Needed for name mapping */ | |
441 | const u32 * bitmask; | |
9ff71c3a | 442 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
443 | }; |
444 | ||
23ec6965 BF |
445 | struct nfs_setaclargs { |
446 | struct nfs_fh * fh; | |
447 | size_t acl_len; | |
448 | unsigned int acl_pgbase; | |
449 | struct page ** acl_pages; | |
9ff71c3a | 450 | struct nfs4_sequence_args seq_args; |
23ec6965 BF |
451 | }; |
452 | ||
73c403a9 BH |
453 | struct nfs_setaclres { |
454 | struct nfs4_sequence_res seq_res; | |
455 | }; | |
456 | ||
029d105e BF |
457 | struct nfs_getaclargs { |
458 | struct nfs_fh * fh; | |
459 | size_t acl_len; | |
460 | unsigned int acl_pgbase; | |
461 | struct page ** acl_pages; | |
9ff71c3a | 462 | struct nfs4_sequence_args seq_args; |
029d105e BF |
463 | }; |
464 | ||
663c79b3 BH |
465 | struct nfs_getaclres { |
466 | size_t acl_len; | |
467 | struct nfs4_sequence_res seq_res; | |
468 | }; | |
469 | ||
1da177e4 LT |
470 | struct nfs_setattrres { |
471 | struct nfs_fattr * fattr; | |
472 | const struct nfs_server * server; | |
9ff71c3a | 473 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
474 | }; |
475 | ||
476 | struct nfs_linkargs { | |
477 | struct nfs_fh * fromfh; | |
478 | struct nfs_fh * tofh; | |
479 | const char * toname; | |
480 | unsigned int tolen; | |
481 | }; | |
482 | ||
483 | struct nfs_symlinkargs { | |
484 | struct nfs_fh * fromfh; | |
485 | const char * fromname; | |
486 | unsigned int fromlen; | |
94a6d753 CL |
487 | struct page ** pages; |
488 | unsigned int pathlen; | |
1da177e4 LT |
489 | struct iattr * sattr; |
490 | }; | |
491 | ||
492 | struct nfs_readdirargs { | |
493 | struct nfs_fh * fh; | |
494 | __u32 cookie; | |
495 | unsigned int count; | |
496 | struct page ** pages; | |
497 | }; | |
498 | ||
b7fa0554 AG |
499 | struct nfs3_getaclargs { |
500 | struct nfs_fh * fh; | |
501 | int mask; | |
502 | struct page ** pages; | |
503 | }; | |
504 | ||
505 | struct nfs3_setaclargs { | |
506 | struct inode * inode; | |
507 | int mask; | |
508 | struct posix_acl * acl_access; | |
509 | struct posix_acl * acl_default; | |
ae46141f TM |
510 | size_t len; |
511 | unsigned int npages; | |
b7fa0554 AG |
512 | struct page ** pages; |
513 | }; | |
514 | ||
1da177e4 LT |
515 | struct nfs_diropok { |
516 | struct nfs_fh * fh; | |
517 | struct nfs_fattr * fattr; | |
518 | }; | |
519 | ||
520 | struct nfs_readlinkargs { | |
521 | struct nfs_fh * fh; | |
522 | unsigned int pgbase; | |
523 | unsigned int pglen; | |
524 | struct page ** pages; | |
525 | }; | |
526 | ||
527 | struct nfs3_sattrargs { | |
528 | struct nfs_fh * fh; | |
529 | struct iattr * sattr; | |
530 | unsigned int guard; | |
531 | struct timespec guardtime; | |
532 | }; | |
533 | ||
534 | struct nfs3_diropargs { | |
535 | struct nfs_fh * fh; | |
536 | const char * name; | |
537 | unsigned int len; | |
538 | }; | |
539 | ||
540 | struct nfs3_accessargs { | |
541 | struct nfs_fh * fh; | |
542 | __u32 access; | |
543 | }; | |
544 | ||
545 | struct nfs3_createargs { | |
546 | struct nfs_fh * fh; | |
547 | const char * name; | |
548 | unsigned int len; | |
549 | struct iattr * sattr; | |
550 | enum nfs3_createmode createmode; | |
bc4785cd | 551 | __be32 verifier[2]; |
1da177e4 LT |
552 | }; |
553 | ||
554 | struct nfs3_mkdirargs { | |
555 | struct nfs_fh * fh; | |
556 | const char * name; | |
557 | unsigned int len; | |
558 | struct iattr * sattr; | |
559 | }; | |
560 | ||
561 | struct nfs3_symlinkargs { | |
562 | struct nfs_fh * fromfh; | |
563 | const char * fromname; | |
564 | unsigned int fromlen; | |
94a6d753 CL |
565 | struct page ** pages; |
566 | unsigned int pathlen; | |
1da177e4 LT |
567 | struct iattr * sattr; |
568 | }; | |
569 | ||
570 | struct nfs3_mknodargs { | |
571 | struct nfs_fh * fh; | |
572 | const char * name; | |
573 | unsigned int len; | |
574 | enum nfs3_ftype type; | |
575 | struct iattr * sattr; | |
576 | dev_t rdev; | |
577 | }; | |
578 | ||
579 | struct nfs3_renameargs { | |
580 | struct nfs_fh * fromfh; | |
581 | const char * fromname; | |
582 | unsigned int fromlen; | |
583 | struct nfs_fh * tofh; | |
584 | const char * toname; | |
585 | unsigned int tolen; | |
586 | }; | |
587 | ||
588 | struct nfs3_linkargs { | |
589 | struct nfs_fh * fromfh; | |
590 | struct nfs_fh * tofh; | |
591 | const char * toname; | |
592 | unsigned int tolen; | |
593 | }; | |
594 | ||
595 | struct nfs3_readdirargs { | |
596 | struct nfs_fh * fh; | |
597 | __u64 cookie; | |
bc4785cd | 598 | __be32 verf[2]; |
1da177e4 LT |
599 | int plus; |
600 | unsigned int count; | |
601 | struct page ** pages; | |
602 | }; | |
603 | ||
604 | struct nfs3_diropres { | |
605 | struct nfs_fattr * dir_attr; | |
606 | struct nfs_fh * fh; | |
607 | struct nfs_fattr * fattr; | |
608 | }; | |
609 | ||
610 | struct nfs3_accessres { | |
611 | struct nfs_fattr * fattr; | |
612 | __u32 access; | |
613 | }; | |
614 | ||
615 | struct nfs3_readlinkargs { | |
616 | struct nfs_fh * fh; | |
617 | unsigned int pgbase; | |
618 | unsigned int pglen; | |
619 | struct page ** pages; | |
620 | }; | |
621 | ||
622 | struct nfs3_renameres { | |
623 | struct nfs_fattr * fromattr; | |
624 | struct nfs_fattr * toattr; | |
625 | }; | |
626 | ||
627 | struct nfs3_linkres { | |
628 | struct nfs_fattr * dir_attr; | |
629 | struct nfs_fattr * fattr; | |
630 | }; | |
631 | ||
632 | struct nfs3_readdirres { | |
633 | struct nfs_fattr * dir_attr; | |
bc4785cd | 634 | __be32 * verf; |
1da177e4 LT |
635 | int plus; |
636 | }; | |
637 | ||
b7fa0554 AG |
638 | struct nfs3_getaclres { |
639 | struct nfs_fattr * fattr; | |
640 | int mask; | |
641 | unsigned int acl_access_count; | |
642 | unsigned int acl_default_count; | |
643 | struct posix_acl * acl_access; | |
644 | struct posix_acl * acl_default; | |
645 | }; | |
646 | ||
1da177e4 LT |
647 | #ifdef CONFIG_NFS_V4 |
648 | ||
649 | typedef u64 clientid4; | |
650 | ||
651 | struct nfs4_accessargs { | |
652 | const struct nfs_fh * fh; | |
76b32999 | 653 | const u32 * bitmask; |
1da177e4 | 654 | u32 access; |
9ff71c3a | 655 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
656 | }; |
657 | ||
658 | struct nfs4_accessres { | |
76b32999 TM |
659 | const struct nfs_server * server; |
660 | struct nfs_fattr * fattr; | |
1da177e4 LT |
661 | u32 supported; |
662 | u32 access; | |
9ff71c3a | 663 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
664 | }; |
665 | ||
666 | struct nfs4_create_arg { | |
667 | u32 ftype; | |
668 | union { | |
94a6d753 CL |
669 | struct { |
670 | struct page ** pages; | |
671 | unsigned int len; | |
672 | } symlink; /* NF4LNK */ | |
1da177e4 LT |
673 | struct { |
674 | u32 specdata1; | |
675 | u32 specdata2; | |
676 | } device; /* NF4BLK, NF4CHR */ | |
677 | } u; | |
678 | const struct qstr * name; | |
679 | const struct nfs_server * server; | |
680 | const struct iattr * attrs; | |
681 | const struct nfs_fh * dir_fh; | |
682 | const u32 * bitmask; | |
9ff71c3a | 683 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
684 | }; |
685 | ||
686 | struct nfs4_create_res { | |
687 | const struct nfs_server * server; | |
688 | struct nfs_fh * fh; | |
689 | struct nfs_fattr * fattr; | |
690 | struct nfs4_change_info dir_cinfo; | |
56ae19f3 | 691 | struct nfs_fattr * dir_fattr; |
9ff71c3a | 692 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
693 | }; |
694 | ||
695 | struct nfs4_fsinfo_arg { | |
696 | const struct nfs_fh * fh; | |
697 | const u32 * bitmask; | |
9ff71c3a | 698 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
699 | }; |
700 | ||
3dda5e43 BH |
701 | struct nfs4_fsinfo_res { |
702 | struct nfs_fsinfo *fsinfo; | |
703 | struct nfs4_sequence_res seq_res; | |
704 | }; | |
705 | ||
1da177e4 LT |
706 | struct nfs4_getattr_arg { |
707 | const struct nfs_fh * fh; | |
708 | const u32 * bitmask; | |
9ff71c3a | 709 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
710 | }; |
711 | ||
712 | struct nfs4_getattr_res { | |
713 | const struct nfs_server * server; | |
714 | struct nfs_fattr * fattr; | |
9ff71c3a | 715 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
716 | }; |
717 | ||
718 | struct nfs4_link_arg { | |
719 | const struct nfs_fh * fh; | |
720 | const struct nfs_fh * dir_fh; | |
721 | const struct qstr * name; | |
91ba2eee | 722 | const u32 * bitmask; |
9ff71c3a | 723 | struct nfs4_sequence_args seq_args; |
91ba2eee TM |
724 | }; |
725 | ||
726 | struct nfs4_link_res { | |
727 | const struct nfs_server * server; | |
728 | struct nfs_fattr * fattr; | |
729 | struct nfs4_change_info cinfo; | |
730 | struct nfs_fattr * dir_attr; | |
9ff71c3a | 731 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
732 | }; |
733 | ||
91ba2eee | 734 | |
1da177e4 LT |
735 | struct nfs4_lookup_arg { |
736 | const struct nfs_fh * dir_fh; | |
737 | const struct qstr * name; | |
738 | const u32 * bitmask; | |
9ff71c3a | 739 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
740 | }; |
741 | ||
742 | struct nfs4_lookup_res { | |
743 | const struct nfs_server * server; | |
744 | struct nfs_fattr * fattr; | |
745 | struct nfs_fh * fh; | |
9ff71c3a | 746 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
747 | }; |
748 | ||
749 | struct nfs4_lookup_root_arg { | |
750 | const u32 * bitmask; | |
9ff71c3a | 751 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
752 | }; |
753 | ||
754 | struct nfs4_pathconf_arg { | |
755 | const struct nfs_fh * fh; | |
756 | const u32 * bitmask; | |
9ff71c3a | 757 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
758 | }; |
759 | ||
d45b2989 BH |
760 | struct nfs4_pathconf_res { |
761 | struct nfs_pathconf *pathconf; | |
762 | struct nfs4_sequence_res seq_res; | |
763 | }; | |
764 | ||
1da177e4 LT |
765 | struct nfs4_readdir_arg { |
766 | const struct nfs_fh * fh; | |
767 | u64 cookie; | |
768 | nfs4_verifier verifier; | |
769 | u32 count; | |
770 | struct page ** pages; /* zero-copy data */ | |
771 | unsigned int pgbase; /* zero-copy data */ | |
772 | const u32 * bitmask; | |
9ff71c3a | 773 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
774 | }; |
775 | ||
776 | struct nfs4_readdir_res { | |
777 | nfs4_verifier verifier; | |
778 | unsigned int pgbase; | |
9ff71c3a | 779 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
780 | }; |
781 | ||
782 | struct nfs4_readlink { | |
783 | const struct nfs_fh * fh; | |
784 | unsigned int pgbase; | |
785 | unsigned int pglen; /* zero-copy data */ | |
786 | struct page ** pages; /* zero-copy data */ | |
9ff71c3a | 787 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
788 | }; |
789 | ||
f50c7000 BH |
790 | struct nfs4_readlink_res { |
791 | struct nfs4_sequence_res seq_res; | |
792 | }; | |
793 | ||
1da177e4 LT |
794 | struct nfs4_rename_arg { |
795 | const struct nfs_fh * old_dir; | |
796 | const struct nfs_fh * new_dir; | |
797 | const struct qstr * old_name; | |
798 | const struct qstr * new_name; | |
6caf2c82 | 799 | const u32 * bitmask; |
9ff71c3a | 800 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
801 | }; |
802 | ||
803 | struct nfs4_rename_res { | |
6caf2c82 | 804 | const struct nfs_server * server; |
1da177e4 | 805 | struct nfs4_change_info old_cinfo; |
6caf2c82 | 806 | struct nfs_fattr * old_fattr; |
1da177e4 | 807 | struct nfs4_change_info new_cinfo; |
6caf2c82 | 808 | struct nfs_fattr * new_fattr; |
9ff71c3a | 809 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
810 | }; |
811 | ||
19d771f3 | 812 | #define NFS4_SETCLIENTID_NAMELEN (127) |
1da177e4 | 813 | struct nfs4_setclientid { |
cc38bac3 | 814 | const nfs4_verifier * sc_verifier; |
1da177e4 | 815 | unsigned int sc_name_len; |
d1ce02e1 | 816 | char sc_name[NFS4_SETCLIENTID_NAMELEN + 1]; |
cc38bac3 | 817 | u32 sc_prog; |
1da177e4 | 818 | unsigned int sc_netid_len; |
d1ce02e1 | 819 | char sc_netid[RPCBIND_MAXNETIDLEN + 1]; |
1da177e4 | 820 | unsigned int sc_uaddr_len; |
d1ce02e1 | 821 | char sc_uaddr[RPCBIND_MAXUADDRLEN + 1]; |
cc38bac3 | 822 | u32 sc_cb_ident; |
1da177e4 LT |
823 | }; |
824 | ||
825 | struct nfs4_statfs_arg { | |
826 | const struct nfs_fh * fh; | |
827 | const u32 * bitmask; | |
9ff71c3a | 828 | struct nfs4_sequence_args seq_args; |
1da177e4 LT |
829 | }; |
830 | ||
24ad148a BH |
831 | struct nfs4_statfs_res { |
832 | struct nfs_fsstat *fsstat; | |
833 | struct nfs4_sequence_res seq_res; | |
834 | }; | |
835 | ||
43652ad5 BH |
836 | struct nfs4_server_caps_arg { |
837 | struct nfs_fh *fhandle; | |
838 | struct nfs4_sequence_args seq_args; | |
839 | }; | |
840 | ||
1da177e4 LT |
841 | struct nfs4_server_caps_res { |
842 | u32 attr_bitmask[2]; | |
843 | u32 acl_bitmask; | |
844 | u32 has_links; | |
845 | u32 has_symlinks; | |
9ff71c3a | 846 | struct nfs4_sequence_res seq_res; |
1da177e4 LT |
847 | }; |
848 | ||
7aaa0b3b MN |
849 | struct nfs4_string { |
850 | unsigned int len; | |
851 | char *data; | |
683b57b4 TM |
852 | }; |
853 | ||
7aaa0b3b MN |
854 | #define NFS4_PATHNAME_MAXCOMPONENTS 512 |
855 | struct nfs4_pathname { | |
856 | unsigned int ncomponents; | |
857 | struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS]; | |
858 | }; | |
859 | ||
860 | #define NFS4_FS_LOCATION_MAXSERVERS 10 | |
861 | struct nfs4_fs_location { | |
862 | unsigned int nservers; | |
863 | struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS]; | |
864 | struct nfs4_pathname rootpath; | |
865 | }; | |
866 | ||
867 | #define NFS4_FS_LOCATIONS_MAXENTRIES 10 | |
868 | struct nfs4_fs_locations { | |
683b57b4 TM |
869 | struct nfs_fattr fattr; |
870 | const struct nfs_server *server; | |
7aaa0b3b | 871 | struct nfs4_pathname fs_path; |
683b57b4 | 872 | int nlocations; |
7aaa0b3b | 873 | struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES]; |
683b57b4 TM |
874 | }; |
875 | ||
876 | struct nfs4_fs_locations_arg { | |
877 | const struct nfs_fh *dir_fh; | |
878 | const struct qstr *name; | |
879 | struct page *page; | |
880 | const u32 *bitmask; | |
9ff71c3a | 881 | struct nfs4_sequence_args seq_args; |
683b57b4 TM |
882 | }; |
883 | ||
22958463 BH |
884 | struct nfs4_fs_locations_res { |
885 | struct nfs4_fs_locations *fs_locations; | |
886 | struct nfs4_sequence_res seq_res; | |
887 | }; | |
888 | ||
1da177e4 LT |
889 | #endif /* CONFIG_NFS_V4 */ |
890 | ||
99fe60d0 BH |
891 | struct nfstime4 { |
892 | u64 seconds; | |
893 | u32 nseconds; | |
894 | }; | |
895 | ||
896 | #ifdef CONFIG_NFS_V4_1 | |
897 | struct nfs_impl_id4 { | |
898 | u32 domain_len; | |
899 | char *domain; | |
900 | u32 name_len; | |
901 | char *name; | |
902 | struct nfstime4 date; | |
903 | }; | |
904 | ||
905 | #define NFS4_EXCHANGE_ID_LEN (48) | |
906 | struct nfs41_exchange_id_args { | |
907 | struct nfs_client *client; | |
908 | nfs4_verifier *verifier; | |
909 | unsigned int id_len; | |
910 | char id[NFS4_EXCHANGE_ID_LEN]; | |
911 | u32 flags; | |
912 | }; | |
913 | ||
914 | struct server_owner { | |
915 | uint64_t minor_id; | |
916 | uint32_t major_id_sz; | |
917 | char major_id[NFS4_OPAQUE_LIMIT]; | |
918 | }; | |
919 | ||
920 | struct server_scope { | |
921 | uint32_t server_scope_sz; | |
922 | char server_scope[NFS4_OPAQUE_LIMIT]; | |
923 | }; | |
924 | ||
925 | struct nfs41_exchange_id_res { | |
926 | struct nfs_client *client; | |
927 | u32 flags; | |
928 | }; | |
fc931582 AA |
929 | |
930 | struct nfs41_create_session_args { | |
931 | struct nfs_client *client; | |
932 | uint32_t flags; | |
933 | uint32_t cb_program; | |
934 | struct nfs4_channel_attrs fc_attrs; /* Fore Channel */ | |
935 | struct nfs4_channel_attrs bc_attrs; /* Back Channel */ | |
936 | }; | |
937 | ||
938 | struct nfs41_create_session_res { | |
939 | struct nfs_client *client; | |
940 | }; | |
99fe60d0 BH |
941 | #endif /* CONFIG_NFS_V4_1 */ |
942 | ||
1da177e4 LT |
943 | struct nfs_page; |
944 | ||
40859d7e CL |
945 | #define NFS_PAGEVEC_SIZE (8U) |
946 | ||
1da177e4 LT |
947 | struct nfs_read_data { |
948 | int flags; | |
949 | struct rpc_task task; | |
950 | struct inode *inode; | |
951 | struct rpc_cred *cred; | |
952 | struct nfs_fattr fattr; /* fattr storage */ | |
953 | struct list_head pages; /* Coalesced read requests */ | |
954 | struct nfs_page *req; /* multi ops per nfs_page */ | |
40859d7e | 955 | struct page **pagevec; |
e9f7bee1 | 956 | unsigned int npages; /* Max length of pagevec */ |
1da177e4 LT |
957 | struct nfs_readargs args; |
958 | struct nfs_readres res; | |
959 | #ifdef CONFIG_NFS_V4 | |
960 | unsigned long timestamp; /* For lease renewal */ | |
961 | #endif | |
0d0b5cb3 | 962 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
1da177e4 LT |
963 | }; |
964 | ||
965 | struct nfs_write_data { | |
966 | int flags; | |
967 | struct rpc_task task; | |
968 | struct inode *inode; | |
969 | struct rpc_cred *cred; | |
970 | struct nfs_fattr fattr; | |
971 | struct nfs_writeverf verf; | |
972 | struct list_head pages; /* Coalesced requests we wish to flush */ | |
973 | struct nfs_page *req; /* multi ops per nfs_page */ | |
40859d7e | 974 | struct page **pagevec; |
e9f7bee1 | 975 | unsigned int npages; /* Max length of pagevec */ |
1da177e4 LT |
976 | struct nfs_writeargs args; /* argument struct */ |
977 | struct nfs_writeres res; /* result struct */ | |
978 | #ifdef CONFIG_NFS_V4 | |
979 | unsigned long timestamp; /* For lease renewal */ | |
980 | #endif | |
0d0b5cb3 | 981 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
1da177e4 LT |
982 | }; |
983 | ||
984 | struct nfs_access_entry; | |
985 | ||
986 | /* | |
987 | * RPC procedure vector for NFSv2/NFSv3 demuxing | |
988 | */ | |
989 | struct nfs_rpc_ops { | |
c0e07cb6 | 990 | u32 version; /* Protocol version */ |
f786aa90 | 991 | const struct dentry_operations *dentry_ops; |
c5ef1c42 AV |
992 | const struct inode_operations *dir_inode_ops; |
993 | const struct inode_operations *file_inode_ops; | |
1da177e4 LT |
994 | |
995 | int (*getroot) (struct nfs_server *, struct nfs_fh *, | |
996 | struct nfs_fsinfo *); | |
2b3de441 DH |
997 | int (*lookupfh)(struct nfs_server *, struct nfs_fh *, |
998 | struct qstr *, struct nfs_fh *, | |
999 | struct nfs_fattr *); | |
1da177e4 LT |
1000 | int (*getattr) (struct nfs_server *, struct nfs_fh *, |
1001 | struct nfs_fattr *); | |
1002 | int (*setattr) (struct dentry *, struct nfs_fattr *, | |
1003 | struct iattr *); | |
1004 | int (*lookup) (struct inode *, struct qstr *, | |
1005 | struct nfs_fh *, struct nfs_fattr *); | |
1006 | int (*access) (struct inode *, struct nfs_access_entry *); | |
1007 | int (*readlink)(struct inode *, struct page *, unsigned int, | |
1008 | unsigned int); | |
1da177e4 | 1009 | int (*create) (struct inode *, struct dentry *, |
02a913a7 | 1010 | struct iattr *, int, struct nameidata *); |
1da177e4 | 1011 | int (*remove) (struct inode *, struct qstr *); |
e4eff1a6 TM |
1012 | void (*unlink_setup) (struct rpc_message *, struct inode *dir); |
1013 | int (*unlink_done) (struct rpc_task *, struct inode *); | |
1da177e4 LT |
1014 | int (*rename) (struct inode *, struct qstr *, |
1015 | struct inode *, struct qstr *); | |
1016 | int (*link) (struct inode *, struct inode *, struct qstr *); | |
94a6d753 CL |
1017 | int (*symlink) (struct inode *, struct dentry *, struct page *, |
1018 | unsigned int, struct iattr *); | |
1da177e4 LT |
1019 | int (*mkdir) (struct inode *, struct dentry *, struct iattr *); |
1020 | int (*rmdir) (struct inode *, struct qstr *); | |
1021 | int (*readdir) (struct dentry *, struct rpc_cred *, | |
1022 | u64, struct page *, unsigned int, int); | |
1023 | int (*mknod) (struct inode *, struct dentry *, struct iattr *, | |
1024 | dev_t); | |
1025 | int (*statfs) (struct nfs_server *, struct nfs_fh *, | |
1026 | struct nfs_fsstat *); | |
1027 | int (*fsinfo) (struct nfs_server *, struct nfs_fh *, | |
1028 | struct nfs_fsinfo *); | |
1029 | int (*pathconf) (struct nfs_server *, struct nfs_fh *, | |
1030 | struct nfs_pathconf *); | |
e9326dca | 1031 | int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); |
0dbb4c67 | 1032 | __be32 *(*decode_dirent)(__be32 *, struct nfs_entry *, int plus); |
bdc7f021 | 1033 | void (*read_setup) (struct nfs_read_data *, struct rpc_message *); |
ec06c096 | 1034 | int (*read_done) (struct rpc_task *, struct nfs_read_data *); |
bdc7f021 | 1035 | void (*write_setup) (struct nfs_write_data *, struct rpc_message *); |
788e7a89 | 1036 | int (*write_done) (struct rpc_task *, struct nfs_write_data *); |
bdc7f021 | 1037 | void (*commit_setup) (struct nfs_write_data *, struct rpc_message *); |
788e7a89 | 1038 | int (*commit_done) (struct rpc_task *, struct nfs_write_data *); |
1da177e4 | 1039 | int (*lock)(struct file *, int, struct file_lock *); |
2116271a | 1040 | int (*lock_check_bounds)(const struct file_lock *); |
ada70d94 | 1041 | void (*clear_acl_cache)(struct inode *); |
7fe5c398 | 1042 | void (*close_context)(struct nfs_open_context *ctx, int); |
1da177e4 LT |
1043 | }; |
1044 | ||
1045 | /* | |
1046 | * NFS_CALL(getattr, inode, (fattr)); | |
1047 | * into | |
1048 | * NFS_PROTO(inode)->getattr(fattr); | |
1049 | */ | |
1050 | #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args | |
1051 | ||
1052 | /* | |
1053 | * Function vectors etc. for the NFS client | |
1054 | */ | |
509de811 DH |
1055 | extern const struct nfs_rpc_ops nfs_v2_clientops; |
1056 | extern const struct nfs_rpc_ops nfs_v3_clientops; | |
1057 | extern const struct nfs_rpc_ops nfs_v4_clientops; | |
1da177e4 LT |
1058 | extern struct rpc_version nfs_version2; |
1059 | extern struct rpc_version nfs_version3; | |
1060 | extern struct rpc_version nfs_version4; | |
1061 | ||
b7fa0554 AG |
1062 | extern struct rpc_version nfsacl_version3; |
1063 | extern struct rpc_program nfsacl_program; | |
1064 | ||
1da177e4 | 1065 | #endif |