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