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