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