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1 | #ifndef _LINUX_NFS_XDR_H |
2 | #define _LINUX_NFS_XDR_H |
3 | |
4 | #include <linux/nfsacl.h> |
5 | #include <linux/sunrpc/gss_api.h> |
6 | |
7 | /* |
8 | * To change the maximum rsize and wsize supported by the NFS client, adjust |
9 | * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can |
10 | * support a megabyte or more. The default is left at 4096 bytes, which is |
11 | * reasonable for NFS over UDP. |
12 | */ |
13 | #define NFS_MAX_FILE_IO_SIZE (1048576U) |
14 | #define NFS_DEF_FILE_IO_SIZE (4096U) |
15 | #define NFS_MIN_FILE_IO_SIZE (1024U) |
16 | |
17 | struct nfs4_string { |
18 | unsigned int len; |
19 | char *data; |
20 | }; |
21 | |
22 | struct nfs_fsid { |
23 | uint64_t major; |
24 | uint64_t minor; |
25 | }; |
26 | |
27 | /* |
28 | * Helper for checking equality between 2 fsids. |
29 | */ |
30 | static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b) |
31 | { |
32 | return a->major == b->major && a->minor == b->minor; |
33 | } |
34 | |
35 | struct nfs4_threshold { |
36 | __u32 bm; |
37 | __u32 l_type; |
38 | __u64 rd_sz; |
39 | __u64 wr_sz; |
40 | __u64 rd_io_sz; |
41 | __u64 wr_io_sz; |
42 | }; |
43 | |
44 | struct nfs_fattr { |
45 | unsigned int valid; /* which fields are valid */ |
46 | umode_t mode; |
47 | __u32 nlink; |
48 | kuid_t uid; |
49 | kgid_t gid; |
50 | dev_t rdev; |
51 | __u64 size; |
52 | union { |
53 | struct { |
54 | __u32 blocksize; |
55 | __u32 blocks; |
56 | } nfs2; |
57 | struct { |
58 | __u64 used; |
59 | } nfs3; |
60 | } du; |
61 | struct nfs_fsid fsid; |
62 | __u64 fileid; |
63 | __u64 mounted_on_fileid; |
64 | struct timespec atime; |
65 | struct timespec mtime; |
66 | struct timespec ctime; |
67 | __u64 change_attr; /* NFSv4 change attribute */ |
68 | __u64 pre_change_attr;/* pre-op NFSv4 change attribute */ |
69 | __u64 pre_size; /* pre_op_attr.size */ |
70 | struct timespec pre_mtime; /* pre_op_attr.mtime */ |
71 | struct timespec pre_ctime; /* pre_op_attr.ctime */ |
72 | unsigned long time_start; |
73 | unsigned long gencount; |
74 | struct nfs4_string *owner_name; |
75 | struct nfs4_string *group_name; |
76 | struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */ |
77 | }; |
78 | |
79 | #define NFS_ATTR_FATTR_TYPE (1U << 0) |
80 | #define NFS_ATTR_FATTR_MODE (1U << 1) |
81 | #define NFS_ATTR_FATTR_NLINK (1U << 2) |
82 | #define NFS_ATTR_FATTR_OWNER (1U << 3) |
83 | #define NFS_ATTR_FATTR_GROUP (1U << 4) |
84 | #define NFS_ATTR_FATTR_RDEV (1U << 5) |
85 | #define NFS_ATTR_FATTR_SIZE (1U << 6) |
86 | #define NFS_ATTR_FATTR_PRESIZE (1U << 7) |
87 | #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8) |
88 | #define NFS_ATTR_FATTR_SPACE_USED (1U << 9) |
89 | #define NFS_ATTR_FATTR_FSID (1U << 10) |
90 | #define NFS_ATTR_FATTR_FILEID (1U << 11) |
91 | #define NFS_ATTR_FATTR_ATIME (1U << 12) |
92 | #define NFS_ATTR_FATTR_MTIME (1U << 13) |
93 | #define NFS_ATTR_FATTR_CTIME (1U << 14) |
94 | #define NFS_ATTR_FATTR_PREMTIME (1U << 15) |
95 | #define NFS_ATTR_FATTR_PRECTIME (1U << 16) |
96 | #define NFS_ATTR_FATTR_CHANGE (1U << 17) |
97 | #define NFS_ATTR_FATTR_PRECHANGE (1U << 18) |
98 | #define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19) |
99 | #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20) |
100 | #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21) |
101 | #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22) |
102 | #define NFS_ATTR_FATTR_OWNER_NAME (1U << 23) |
103 | #define NFS_ATTR_FATTR_GROUP_NAME (1U << 24) |
104 | #define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25) |
105 | |
106 | #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \ |
107 | | NFS_ATTR_FATTR_MODE \ |
108 | | NFS_ATTR_FATTR_NLINK \ |
109 | | NFS_ATTR_FATTR_OWNER \ |
110 | | NFS_ATTR_FATTR_GROUP \ |
111 | | NFS_ATTR_FATTR_RDEV \ |
112 | | NFS_ATTR_FATTR_SIZE \ |
113 | | NFS_ATTR_FATTR_FSID \ |
114 | | NFS_ATTR_FATTR_FILEID \ |
115 | | NFS_ATTR_FATTR_ATIME \ |
116 | | NFS_ATTR_FATTR_MTIME \ |
117 | | NFS_ATTR_FATTR_CTIME \ |
118 | | NFS_ATTR_FATTR_CHANGE) |
119 | #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \ |
120 | | NFS_ATTR_FATTR_BLOCKS_USED) |
121 | #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \ |
122 | | NFS_ATTR_FATTR_SPACE_USED) |
123 | #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \ |
124 | | NFS_ATTR_FATTR_SPACE_USED \ |
125 | | NFS_ATTR_FATTR_V4_SECURITY_LABEL) |
126 | |
127 | /* |
128 | * Info on the file system |
129 | */ |
130 | struct nfs_fsinfo { |
131 | struct nfs_fattr *fattr; /* Post-op attributes */ |
132 | __u32 rtmax; /* max. read transfer size */ |
133 | __u32 rtpref; /* pref. read transfer size */ |
134 | __u32 rtmult; /* reads should be multiple of this */ |
135 | __u32 wtmax; /* max. write transfer size */ |
136 | __u32 wtpref; /* pref. write transfer size */ |
137 | __u32 wtmult; /* writes should be multiple of this */ |
138 | __u32 dtpref; /* pref. readdir transfer size */ |
139 | __u64 maxfilesize; |
140 | struct timespec time_delta; /* server time granularity */ |
141 | __u32 lease_time; /* in seconds */ |
142 | __u32 layouttype; /* supported pnfs layout driver */ |
143 | __u32 blksize; /* preferred pnfs io block size */ |
144 | }; |
145 | |
146 | struct nfs_fsstat { |
147 | struct nfs_fattr *fattr; /* Post-op attributes */ |
148 | __u64 tbytes; /* total size in bytes */ |
149 | __u64 fbytes; /* # of free bytes */ |
150 | __u64 abytes; /* # of bytes available to user */ |
151 | __u64 tfiles; /* # of files */ |
152 | __u64 ffiles; /* # of free files */ |
153 | __u64 afiles; /* # of files available to user */ |
154 | }; |
155 | |
156 | struct nfs2_fsstat { |
157 | __u32 tsize; /* Server transfer size */ |
158 | __u32 bsize; /* Filesystem block size */ |
159 | __u32 blocks; /* No. of "bsize" blocks on filesystem */ |
160 | __u32 bfree; /* No. of free "bsize" blocks */ |
161 | __u32 bavail; /* No. of available "bsize" blocks */ |
162 | }; |
163 | |
164 | struct nfs_pathconf { |
165 | struct nfs_fattr *fattr; /* Post-op attributes */ |
166 | __u32 max_link; /* max # of hard links */ |
167 | __u32 max_namelen; /* max name length */ |
168 | }; |
169 | |
170 | struct nfs4_change_info { |
171 | u32 atomic; |
172 | u64 before; |
173 | u64 after; |
174 | }; |
175 | |
176 | struct nfs_seqid; |
177 | |
178 | /* nfs41 sessions channel attributes */ |
179 | struct nfs4_channel_attrs { |
180 | u32 max_rqst_sz; |
181 | u32 max_resp_sz; |
182 | u32 max_resp_sz_cached; |
183 | u32 max_ops; |
184 | u32 max_reqs; |
185 | }; |
186 | |
187 | struct nfs4_slot; |
188 | struct nfs4_sequence_args { |
189 | struct nfs4_slot *sa_slot; |
190 | u8 sa_cache_this : 1, |
191 | sa_privileged : 1; |
192 | }; |
193 | |
194 | struct nfs4_sequence_res { |
195 | struct nfs4_slot *sr_slot; /* slot used to send request */ |
196 | unsigned long sr_timestamp; |
197 | int sr_status; /* sequence operation status */ |
198 | u32 sr_status_flags; |
199 | u32 sr_highest_slotid; |
200 | u32 sr_target_highest_slotid; |
201 | }; |
202 | |
203 | struct nfs4_get_lease_time_args { |
204 | struct nfs4_sequence_args la_seq_args; |
205 | }; |
206 | |
207 | struct nfs4_get_lease_time_res { |
208 | struct nfs4_sequence_res lr_seq_res; |
209 | struct nfs_fsinfo *lr_fsinfo; |
210 | }; |
211 | |
212 | #define PNFS_LAYOUT_MAXSIZE 4096 |
213 | |
214 | struct nfs4_layoutdriver_data { |
215 | struct page **pages; |
216 | __u32 pglen; |
217 | __u32 len; |
218 | }; |
219 | |
220 | struct pnfs_layout_range { |
221 | u32 iomode; |
222 | u64 offset; |
223 | u64 length; |
224 | }; |
225 | |
226 | struct nfs4_layoutget_args { |
227 | struct nfs4_sequence_args seq_args; |
228 | __u32 type; |
229 | struct pnfs_layout_range range; |
230 | __u64 minlength; |
231 | __u32 maxcount; |
232 | struct inode *inode; |
233 | struct nfs_open_context *ctx; |
234 | nfs4_stateid stateid; |
235 | unsigned long timestamp; |
236 | struct nfs4_layoutdriver_data layout; |
237 | }; |
238 | |
239 | struct nfs4_layoutget_res { |
240 | struct nfs4_sequence_res seq_res; |
241 | __u32 return_on_close; |
242 | struct pnfs_layout_range range; |
243 | __u32 type; |
244 | nfs4_stateid stateid; |
245 | struct nfs4_layoutdriver_data *layoutp; |
246 | }; |
247 | |
248 | struct nfs4_layoutget { |
249 | struct nfs4_layoutget_args args; |
250 | struct nfs4_layoutget_res res; |
251 | struct rpc_cred *cred; |
252 | gfp_t gfp_flags; |
253 | }; |
254 | |
255 | struct nfs4_getdevicelist_args { |
256 | struct nfs4_sequence_args seq_args; |
257 | const struct nfs_fh *fh; |
258 | u32 layoutclass; |
259 | }; |
260 | |
261 | struct nfs4_getdevicelist_res { |
262 | struct nfs4_sequence_res seq_res; |
263 | struct pnfs_devicelist *devlist; |
264 | }; |
265 | |
266 | struct nfs4_getdeviceinfo_args { |
267 | struct nfs4_sequence_args seq_args; |
268 | struct pnfs_device *pdev; |
269 | }; |
270 | |
271 | struct nfs4_getdeviceinfo_res { |
272 | struct nfs4_sequence_res seq_res; |
273 | struct pnfs_device *pdev; |
274 | }; |
275 | |
276 | struct nfs4_layoutcommit_args { |
277 | struct nfs4_sequence_args seq_args; |
278 | nfs4_stateid stateid; |
279 | __u64 lastbytewritten; |
280 | struct inode *inode; |
281 | const u32 *bitmask; |
282 | }; |
283 | |
284 | struct nfs4_layoutcommit_res { |
285 | struct nfs4_sequence_res seq_res; |
286 | struct nfs_fattr *fattr; |
287 | const struct nfs_server *server; |
288 | int status; |
289 | }; |
290 | |
291 | struct nfs4_layoutcommit_data { |
292 | struct rpc_task task; |
293 | struct nfs_fattr fattr; |
294 | struct list_head lseg_list; |
295 | struct rpc_cred *cred; |
296 | struct nfs4_layoutcommit_args args; |
297 | struct nfs4_layoutcommit_res res; |
298 | }; |
299 | |
300 | struct nfs4_layoutreturn_args { |
301 | struct nfs4_sequence_args seq_args; |
302 | struct pnfs_layout_hdr *layout; |
303 | struct inode *inode; |
304 | nfs4_stateid stateid; |
305 | __u32 layout_type; |
306 | }; |
307 | |
308 | struct nfs4_layoutreturn_res { |
309 | struct nfs4_sequence_res seq_res; |
310 | u32 lrs_present; |
311 | nfs4_stateid stateid; |
312 | }; |
313 | |
314 | struct nfs4_layoutreturn { |
315 | struct nfs4_layoutreturn_args args; |
316 | struct nfs4_layoutreturn_res res; |
317 | struct rpc_cred *cred; |
318 | struct nfs_client *clp; |
319 | int rpc_status; |
320 | }; |
321 | |
322 | struct stateowner_id { |
323 | __u64 create_time; |
324 | __u32 uniquifier; |
325 | }; |
326 | |
327 | /* |
328 | * Arguments to the open call. |
329 | */ |
330 | struct nfs_openargs { |
331 | struct nfs4_sequence_args seq_args; |
332 | const struct nfs_fh * fh; |
333 | struct nfs_seqid * seqid; |
334 | int open_flags; |
335 | fmode_t fmode; |
336 | u32 access; |
337 | __u64 clientid; |
338 | struct stateowner_id id; |
339 | union { |
340 | struct { |
341 | struct iattr * attrs; /* UNCHECKED, GUARDED */ |
342 | nfs4_verifier verifier; /* EXCLUSIVE */ |
343 | }; |
344 | nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ |
345 | fmode_t delegation_type; /* CLAIM_PREVIOUS */ |
346 | } u; |
347 | const struct qstr * name; |
348 | const struct nfs_server *server; /* Needed for ID mapping */ |
349 | const u32 * bitmask; |
350 | const u32 * open_bitmap; |
351 | __u32 claim; |
352 | enum createmode4 createmode; |
353 | const struct nfs4_label *label; |
354 | }; |
355 | |
356 | struct nfs_openres { |
357 | struct nfs4_sequence_res seq_res; |
358 | nfs4_stateid stateid; |
359 | struct nfs_fh fh; |
360 | struct nfs4_change_info cinfo; |
361 | __u32 rflags; |
362 | struct nfs_fattr * f_attr; |
363 | struct nfs4_label *f_label; |
364 | struct nfs_seqid * seqid; |
365 | const struct nfs_server *server; |
366 | fmode_t delegation_type; |
367 | nfs4_stateid delegation; |
368 | __u32 do_recall; |
369 | __u64 maxsize; |
370 | __u32 attrset[NFS4_BITMAP_SIZE]; |
371 | struct nfs4_string *owner; |
372 | struct nfs4_string *group_owner; |
373 | __u32 access_request; |
374 | __u32 access_supported; |
375 | __u32 access_result; |
376 | }; |
377 | |
378 | /* |
379 | * Arguments to the open_confirm call. |
380 | */ |
381 | struct nfs_open_confirmargs { |
382 | const struct nfs_fh * fh; |
383 | nfs4_stateid * stateid; |
384 | struct nfs_seqid * seqid; |
385 | }; |
386 | |
387 | struct nfs_open_confirmres { |
388 | nfs4_stateid stateid; |
389 | struct nfs_seqid * seqid; |
390 | }; |
391 | |
392 | /* |
393 | * Arguments to the close call. |
394 | */ |
395 | struct nfs_closeargs { |
396 | struct nfs4_sequence_args seq_args; |
397 | struct nfs_fh * fh; |
398 | nfs4_stateid * stateid; |
399 | struct nfs_seqid * seqid; |
400 | fmode_t fmode; |
401 | const u32 * bitmask; |
402 | }; |
403 | |
404 | struct nfs_closeres { |
405 | struct nfs4_sequence_res seq_res; |
406 | nfs4_stateid stateid; |
407 | struct nfs_fattr * fattr; |
408 | struct nfs_seqid * seqid; |
409 | const struct nfs_server *server; |
410 | }; |
411 | /* |
412 | * * Arguments to the lock,lockt, and locku call. |
413 | * */ |
414 | struct nfs_lowner { |
415 | __u64 clientid; |
416 | __u64 id; |
417 | dev_t s_dev; |
418 | }; |
419 | |
420 | struct nfs_lock_args { |
421 | struct nfs4_sequence_args seq_args; |
422 | struct nfs_fh * fh; |
423 | struct file_lock * fl; |
424 | struct nfs_seqid * lock_seqid; |
425 | nfs4_stateid * lock_stateid; |
426 | struct nfs_seqid * open_seqid; |
427 | nfs4_stateid * open_stateid; |
428 | struct nfs_lowner lock_owner; |
429 | unsigned char block : 1; |
430 | unsigned char reclaim : 1; |
431 | unsigned char new_lock_owner : 1; |
432 | }; |
433 | |
434 | struct nfs_lock_res { |
435 | struct nfs4_sequence_res seq_res; |
436 | nfs4_stateid stateid; |
437 | struct nfs_seqid * lock_seqid; |
438 | struct nfs_seqid * open_seqid; |
439 | }; |
440 | |
441 | struct nfs_locku_args { |
442 | struct nfs4_sequence_args seq_args; |
443 | struct nfs_fh * fh; |
444 | struct file_lock * fl; |
445 | struct nfs_seqid * seqid; |
446 | nfs4_stateid * stateid; |
447 | }; |
448 | |
449 | struct nfs_locku_res { |
450 | struct nfs4_sequence_res seq_res; |
451 | nfs4_stateid stateid; |
452 | struct nfs_seqid * seqid; |
453 | }; |
454 | |
455 | struct nfs_lockt_args { |
456 | struct nfs4_sequence_args seq_args; |
457 | struct nfs_fh * fh; |
458 | struct file_lock * fl; |
459 | struct nfs_lowner lock_owner; |
460 | }; |
461 | |
462 | struct nfs_lockt_res { |
463 | struct nfs4_sequence_res seq_res; |
464 | struct file_lock * denied; /* LOCK, LOCKT failed */ |
465 | }; |
466 | |
467 | struct nfs_release_lockowner_args { |
468 | struct nfs_lowner lock_owner; |
469 | }; |
470 | |
471 | struct nfs4_delegreturnargs { |
472 | struct nfs4_sequence_args seq_args; |
473 | const struct nfs_fh *fhandle; |
474 | const nfs4_stateid *stateid; |
475 | const u32 * bitmask; |
476 | }; |
477 | |
478 | struct nfs4_delegreturnres { |
479 | struct nfs4_sequence_res seq_res; |
480 | struct nfs_fattr * fattr; |
481 | const struct nfs_server *server; |
482 | }; |
483 | |
484 | /* |
485 | * Arguments to the read call. |
486 | */ |
487 | struct nfs_readargs { |
488 | struct nfs4_sequence_args seq_args; |
489 | struct nfs_fh * fh; |
490 | struct nfs_open_context *context; |
491 | struct nfs_lock_context *lock_context; |
492 | nfs4_stateid stateid; |
493 | __u64 offset; |
494 | __u32 count; |
495 | unsigned int pgbase; |
496 | struct page ** pages; |
497 | }; |
498 | |
499 | struct nfs_readres { |
500 | struct nfs4_sequence_res seq_res; |
501 | struct nfs_fattr * fattr; |
502 | __u32 count; |
503 | int eof; |
504 | }; |
505 | |
506 | /* |
507 | * Arguments to the write call. |
508 | */ |
509 | struct nfs_writeargs { |
510 | struct nfs4_sequence_args seq_args; |
511 | struct nfs_fh * fh; |
512 | struct nfs_open_context *context; |
513 | struct nfs_lock_context *lock_context; |
514 | nfs4_stateid stateid; |
515 | __u64 offset; |
516 | __u32 count; |
517 | enum nfs3_stable_how stable; |
518 | unsigned int pgbase; |
519 | struct page ** pages; |
520 | const u32 * bitmask; |
521 | }; |
522 | |
523 | struct nfs_write_verifier { |
524 | char data[8]; |
525 | }; |
526 | |
527 | struct nfs_writeverf { |
528 | struct nfs_write_verifier verifier; |
529 | enum nfs3_stable_how committed; |
530 | }; |
531 | |
532 | struct nfs_writeres { |
533 | struct nfs4_sequence_res seq_res; |
534 | struct nfs_fattr * fattr; |
535 | struct nfs_writeverf * verf; |
536 | __u32 count; |
537 | const struct nfs_server *server; |
538 | }; |
539 | |
540 | /* |
541 | * Arguments to the commit call. |
542 | */ |
543 | struct nfs_commitargs { |
544 | struct nfs4_sequence_args seq_args; |
545 | struct nfs_fh *fh; |
546 | __u64 offset; |
547 | __u32 count; |
548 | const u32 *bitmask; |
549 | }; |
550 | |
551 | struct nfs_commitres { |
552 | struct nfs4_sequence_res seq_res; |
553 | struct nfs_fattr *fattr; |
554 | struct nfs_writeverf *verf; |
555 | const struct nfs_server *server; |
556 | }; |
557 | |
558 | /* |
559 | * Common arguments to the unlink call |
560 | */ |
561 | struct nfs_removeargs { |
562 | struct nfs4_sequence_args seq_args; |
563 | const struct nfs_fh *fh; |
564 | struct qstr name; |
565 | }; |
566 | |
567 | struct nfs_removeres { |
568 | struct nfs4_sequence_res seq_res; |
569 | const struct nfs_server *server; |
570 | struct nfs_fattr *dir_attr; |
571 | struct nfs4_change_info cinfo; |
572 | }; |
573 | |
574 | /* |
575 | * Common arguments to the rename call |
576 | */ |
577 | struct nfs_renameargs { |
578 | struct nfs4_sequence_args seq_args; |
579 | const struct nfs_fh *old_dir; |
580 | const struct nfs_fh *new_dir; |
581 | const struct qstr *old_name; |
582 | const struct qstr *new_name; |
583 | }; |
584 | |
585 | struct nfs_renameres { |
586 | struct nfs4_sequence_res seq_res; |
587 | const struct nfs_server *server; |
588 | struct nfs4_change_info old_cinfo; |
589 | struct nfs_fattr *old_fattr; |
590 | struct nfs4_change_info new_cinfo; |
591 | struct nfs_fattr *new_fattr; |
592 | }; |
593 | |
594 | /* parsed sec= options */ |
595 | #define NFS_AUTH_INFO_MAX_FLAVORS 12 /* see fs/nfs/super.c */ |
596 | struct nfs_auth_info { |
597 | unsigned int flavor_len; |
598 | rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS]; |
599 | }; |
600 | |
601 | /* |
602 | * Argument struct for decode_entry function |
603 | */ |
604 | struct nfs_entry { |
605 | __u64 ino; |
606 | __u64 cookie, |
607 | prev_cookie; |
608 | const char * name; |
609 | unsigned int len; |
610 | int eof; |
611 | struct nfs_fh * fh; |
612 | struct nfs_fattr * fattr; |
613 | struct nfs4_label *label; |
614 | unsigned char d_type; |
615 | struct nfs_server * server; |
616 | }; |
617 | |
618 | /* |
619 | * The following types are for NFSv2 only. |
620 | */ |
621 | struct nfs_sattrargs { |
622 | struct nfs_fh * fh; |
623 | struct iattr * sattr; |
624 | }; |
625 | |
626 | struct nfs_diropargs { |
627 | struct nfs_fh * fh; |
628 | const char * name; |
629 | unsigned int len; |
630 | }; |
631 | |
632 | struct nfs_createargs { |
633 | struct nfs_fh * fh; |
634 | const char * name; |
635 | unsigned int len; |
636 | struct iattr * sattr; |
637 | }; |
638 | |
639 | struct nfs_setattrargs { |
640 | struct nfs4_sequence_args seq_args; |
641 | struct nfs_fh * fh; |
642 | nfs4_stateid stateid; |
643 | struct iattr * iap; |
644 | const struct nfs_server * server; /* Needed for name mapping */ |
645 | const u32 * bitmask; |
646 | const struct nfs4_label *label; |
647 | }; |
648 | |
649 | struct nfs_setaclargs { |
650 | struct nfs4_sequence_args seq_args; |
651 | struct nfs_fh * fh; |
652 | size_t acl_len; |
653 | unsigned int acl_pgbase; |
654 | struct page ** acl_pages; |
655 | }; |
656 | |
657 | struct nfs_setaclres { |
658 | struct nfs4_sequence_res seq_res; |
659 | }; |
660 | |
661 | struct nfs_getaclargs { |
662 | struct nfs4_sequence_args seq_args; |
663 | struct nfs_fh * fh; |
664 | size_t acl_len; |
665 | unsigned int acl_pgbase; |
666 | struct page ** acl_pages; |
667 | }; |
668 | |
669 | /* getxattr ACL interface flags */ |
670 | #define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */ |
671 | struct nfs_getaclres { |
672 | struct nfs4_sequence_res seq_res; |
673 | size_t acl_len; |
674 | size_t acl_data_offset; |
675 | int acl_flags; |
676 | struct page * acl_scratch; |
677 | }; |
678 | |
679 | struct nfs_setattrres { |
680 | struct nfs4_sequence_res seq_res; |
681 | struct nfs_fattr * fattr; |
682 | struct nfs4_label *label; |
683 | const struct nfs_server * server; |
684 | }; |
685 | |
686 | struct nfs_linkargs { |
687 | struct nfs_fh * fromfh; |
688 | struct nfs_fh * tofh; |
689 | const char * toname; |
690 | unsigned int tolen; |
691 | }; |
692 | |
693 | struct nfs_symlinkargs { |
694 | struct nfs_fh * fromfh; |
695 | const char * fromname; |
696 | unsigned int fromlen; |
697 | struct page ** pages; |
698 | unsigned int pathlen; |
699 | struct iattr * sattr; |
700 | }; |
701 | |
702 | struct nfs_readdirargs { |
703 | struct nfs_fh * fh; |
704 | __u32 cookie; |
705 | unsigned int count; |
706 | struct page ** pages; |
707 | }; |
708 | |
709 | struct nfs3_getaclargs { |
710 | struct nfs_fh * fh; |
711 | int mask; |
712 | struct page ** pages; |
713 | }; |
714 | |
715 | struct nfs3_setaclargs { |
716 | struct inode * inode; |
717 | int mask; |
718 | struct posix_acl * acl_access; |
719 | struct posix_acl * acl_default; |
720 | size_t len; |
721 | unsigned int npages; |
722 | struct page ** pages; |
723 | }; |
724 | |
725 | struct nfs_diropok { |
726 | struct nfs_fh * fh; |
727 | struct nfs_fattr * fattr; |
728 | }; |
729 | |
730 | struct nfs_readlinkargs { |
731 | struct nfs_fh * fh; |
732 | unsigned int pgbase; |
733 | unsigned int pglen; |
734 | struct page ** pages; |
735 | }; |
736 | |
737 | struct nfs3_sattrargs { |
738 | struct nfs_fh * fh; |
739 | struct iattr * sattr; |
740 | unsigned int guard; |
741 | struct timespec guardtime; |
742 | }; |
743 | |
744 | struct nfs3_diropargs { |
745 | struct nfs_fh * fh; |
746 | const char * name; |
747 | unsigned int len; |
748 | }; |
749 | |
750 | struct nfs3_accessargs { |
751 | struct nfs_fh * fh; |
752 | __u32 access; |
753 | }; |
754 | |
755 | struct nfs3_createargs { |
756 | struct nfs_fh * fh; |
757 | const char * name; |
758 | unsigned int len; |
759 | struct iattr * sattr; |
760 | enum nfs3_createmode createmode; |
761 | __be32 verifier[2]; |
762 | }; |
763 | |
764 | struct nfs3_mkdirargs { |
765 | struct nfs_fh * fh; |
766 | const char * name; |
767 | unsigned int len; |
768 | struct iattr * sattr; |
769 | }; |
770 | |
771 | struct nfs3_symlinkargs { |
772 | struct nfs_fh * fromfh; |
773 | const char * fromname; |
774 | unsigned int fromlen; |
775 | struct page ** pages; |
776 | unsigned int pathlen; |
777 | struct iattr * sattr; |
778 | }; |
779 | |
780 | struct nfs3_mknodargs { |
781 | struct nfs_fh * fh; |
782 | const char * name; |
783 | unsigned int len; |
784 | enum nfs3_ftype type; |
785 | struct iattr * sattr; |
786 | dev_t rdev; |
787 | }; |
788 | |
789 | struct nfs3_linkargs { |
790 | struct nfs_fh * fromfh; |
791 | struct nfs_fh * tofh; |
792 | const char * toname; |
793 | unsigned int tolen; |
794 | }; |
795 | |
796 | struct nfs3_readdirargs { |
797 | struct nfs_fh * fh; |
798 | __u64 cookie; |
799 | __be32 verf[2]; |
800 | int plus; |
801 | unsigned int count; |
802 | struct page ** pages; |
803 | }; |
804 | |
805 | struct nfs3_diropres { |
806 | struct nfs_fattr * dir_attr; |
807 | struct nfs_fh * fh; |
808 | struct nfs_fattr * fattr; |
809 | }; |
810 | |
811 | struct nfs3_accessres { |
812 | struct nfs_fattr * fattr; |
813 | __u32 access; |
814 | }; |
815 | |
816 | struct nfs3_readlinkargs { |
817 | struct nfs_fh * fh; |
818 | unsigned int pgbase; |
819 | unsigned int pglen; |
820 | struct page ** pages; |
821 | }; |
822 | |
823 | struct nfs3_linkres { |
824 | struct nfs_fattr * dir_attr; |
825 | struct nfs_fattr * fattr; |
826 | }; |
827 | |
828 | struct nfs3_readdirres { |
829 | struct nfs_fattr * dir_attr; |
830 | __be32 * verf; |
831 | int plus; |
832 | }; |
833 | |
834 | struct nfs3_getaclres { |
835 | struct nfs_fattr * fattr; |
836 | int mask; |
837 | unsigned int acl_access_count; |
838 | unsigned int acl_default_count; |
839 | struct posix_acl * acl_access; |
840 | struct posix_acl * acl_default; |
841 | }; |
842 | |
843 | #if IS_ENABLED(CONFIG_NFS_V4) |
844 | |
845 | typedef u64 clientid4; |
846 | |
847 | struct nfs4_accessargs { |
848 | struct nfs4_sequence_args seq_args; |
849 | const struct nfs_fh * fh; |
850 | const u32 * bitmask; |
851 | u32 access; |
852 | }; |
853 | |
854 | struct nfs4_accessres { |
855 | struct nfs4_sequence_res seq_res; |
856 | const struct nfs_server * server; |
857 | struct nfs_fattr * fattr; |
858 | u32 supported; |
859 | u32 access; |
860 | }; |
861 | |
862 | struct nfs4_create_arg { |
863 | struct nfs4_sequence_args seq_args; |
864 | u32 ftype; |
865 | union { |
866 | struct { |
867 | struct page ** pages; |
868 | unsigned int len; |
869 | } symlink; /* NF4LNK */ |
870 | struct { |
871 | u32 specdata1; |
872 | u32 specdata2; |
873 | } device; /* NF4BLK, NF4CHR */ |
874 | } u; |
875 | const struct qstr * name; |
876 | const struct nfs_server * server; |
877 | const struct iattr * attrs; |
878 | const struct nfs_fh * dir_fh; |
879 | const u32 * bitmask; |
880 | const struct nfs4_label *label; |
881 | }; |
882 | |
883 | struct nfs4_create_res { |
884 | struct nfs4_sequence_res seq_res; |
885 | const struct nfs_server * server; |
886 | struct nfs_fh * fh; |
887 | struct nfs_fattr * fattr; |
888 | struct nfs4_label *label; |
889 | struct nfs4_change_info dir_cinfo; |
890 | }; |
891 | |
892 | struct nfs4_fsinfo_arg { |
893 | struct nfs4_sequence_args seq_args; |
894 | const struct nfs_fh * fh; |
895 | const u32 * bitmask; |
896 | }; |
897 | |
898 | struct nfs4_fsinfo_res { |
899 | struct nfs4_sequence_res seq_res; |
900 | struct nfs_fsinfo *fsinfo; |
901 | }; |
902 | |
903 | struct nfs4_getattr_arg { |
904 | struct nfs4_sequence_args seq_args; |
905 | const struct nfs_fh * fh; |
906 | const u32 * bitmask; |
907 | }; |
908 | |
909 | struct nfs4_getattr_res { |
910 | struct nfs4_sequence_res seq_res; |
911 | const struct nfs_server * server; |
912 | struct nfs_fattr * fattr; |
913 | struct nfs4_label *label; |
914 | }; |
915 | |
916 | struct nfs4_link_arg { |
917 | struct nfs4_sequence_args seq_args; |
918 | const struct nfs_fh * fh; |
919 | const struct nfs_fh * dir_fh; |
920 | const struct qstr * name; |
921 | const u32 * bitmask; |
922 | }; |
923 | |
924 | struct nfs4_link_res { |
925 | struct nfs4_sequence_res seq_res; |
926 | const struct nfs_server * server; |
927 | struct nfs_fattr * fattr; |
928 | struct nfs4_label *label; |
929 | struct nfs4_change_info cinfo; |
930 | struct nfs_fattr * dir_attr; |
931 | }; |
932 | |
933 | |
934 | struct nfs4_lookup_arg { |
935 | struct nfs4_sequence_args seq_args; |
936 | const struct nfs_fh * dir_fh; |
937 | const struct qstr * name; |
938 | const u32 * bitmask; |
939 | }; |
940 | |
941 | struct nfs4_lookup_res { |
942 | struct nfs4_sequence_res seq_res; |
943 | const struct nfs_server * server; |
944 | struct nfs_fattr * fattr; |
945 | struct nfs_fh * fh; |
946 | struct nfs4_label *label; |
947 | }; |
948 | |
949 | struct nfs4_lookup_root_arg { |
950 | struct nfs4_sequence_args seq_args; |
951 | const u32 * bitmask; |
952 | }; |
953 | |
954 | struct nfs4_pathconf_arg { |
955 | struct nfs4_sequence_args seq_args; |
956 | const struct nfs_fh * fh; |
957 | const u32 * bitmask; |
958 | }; |
959 | |
960 | struct nfs4_pathconf_res { |
961 | struct nfs4_sequence_res seq_res; |
962 | struct nfs_pathconf *pathconf; |
963 | }; |
964 | |
965 | struct nfs4_readdir_arg { |
966 | struct nfs4_sequence_args seq_args; |
967 | const struct nfs_fh * fh; |
968 | u64 cookie; |
969 | nfs4_verifier verifier; |
970 | u32 count; |
971 | struct page ** pages; /* zero-copy data */ |
972 | unsigned int pgbase; /* zero-copy data */ |
973 | const u32 * bitmask; |
974 | int plus; |
975 | }; |
976 | |
977 | struct nfs4_readdir_res { |
978 | struct nfs4_sequence_res seq_res; |
979 | nfs4_verifier verifier; |
980 | unsigned int pgbase; |
981 | }; |
982 | |
983 | struct nfs4_readlink { |
984 | struct nfs4_sequence_args seq_args; |
985 | const struct nfs_fh * fh; |
986 | unsigned int pgbase; |
987 | unsigned int pglen; /* zero-copy data */ |
988 | struct page ** pages; /* zero-copy data */ |
989 | }; |
990 | |
991 | struct nfs4_readlink_res { |
992 | struct nfs4_sequence_res seq_res; |
993 | }; |
994 | |
995 | #define NFS4_SETCLIENTID_NAMELEN (127) |
996 | struct nfs4_setclientid { |
997 | const nfs4_verifier * sc_verifier; |
998 | unsigned int sc_name_len; |
999 | char sc_name[NFS4_SETCLIENTID_NAMELEN + 1]; |
1000 | u32 sc_prog; |
1001 | unsigned int sc_netid_len; |
1002 | char sc_netid[RPCBIND_MAXNETIDLEN + 1]; |
1003 | unsigned int sc_uaddr_len; |
1004 | char sc_uaddr[RPCBIND_MAXUADDRLEN + 1]; |
1005 | u32 sc_cb_ident; |
1006 | }; |
1007 | |
1008 | struct nfs4_setclientid_res { |
1009 | u64 clientid; |
1010 | nfs4_verifier confirm; |
1011 | }; |
1012 | |
1013 | struct nfs4_statfs_arg { |
1014 | struct nfs4_sequence_args seq_args; |
1015 | const struct nfs_fh * fh; |
1016 | const u32 * bitmask; |
1017 | }; |
1018 | |
1019 | struct nfs4_statfs_res { |
1020 | struct nfs4_sequence_res seq_res; |
1021 | struct nfs_fsstat *fsstat; |
1022 | }; |
1023 | |
1024 | struct nfs4_server_caps_arg { |
1025 | struct nfs4_sequence_args seq_args; |
1026 | struct nfs_fh *fhandle; |
1027 | }; |
1028 | |
1029 | struct nfs4_server_caps_res { |
1030 | struct nfs4_sequence_res seq_res; |
1031 | u32 attr_bitmask[3]; |
1032 | u32 acl_bitmask; |
1033 | u32 has_links; |
1034 | u32 has_symlinks; |
1035 | u32 fh_expire_type; |
1036 | }; |
1037 | |
1038 | #define NFS4_PATHNAME_MAXCOMPONENTS 512 |
1039 | struct nfs4_pathname { |
1040 | unsigned int ncomponents; |
1041 | struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS]; |
1042 | }; |
1043 | |
1044 | #define NFS4_FS_LOCATION_MAXSERVERS 10 |
1045 | struct nfs4_fs_location { |
1046 | unsigned int nservers; |
1047 | struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS]; |
1048 | struct nfs4_pathname rootpath; |
1049 | }; |
1050 | |
1051 | #define NFS4_FS_LOCATIONS_MAXENTRIES 10 |
1052 | struct nfs4_fs_locations { |
1053 | struct nfs_fattr fattr; |
1054 | const struct nfs_server *server; |
1055 | struct nfs4_pathname fs_path; |
1056 | int nlocations; |
1057 | struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES]; |
1058 | }; |
1059 | |
1060 | struct nfs4_fs_locations_arg { |
1061 | struct nfs4_sequence_args seq_args; |
1062 | const struct nfs_fh *dir_fh; |
1063 | const struct nfs_fh *fh; |
1064 | const struct qstr *name; |
1065 | struct page *page; |
1066 | const u32 *bitmask; |
1067 | clientid4 clientid; |
1068 | unsigned char migration:1, renew:1; |
1069 | }; |
1070 | |
1071 | struct nfs4_fs_locations_res { |
1072 | struct nfs4_sequence_res seq_res; |
1073 | struct nfs4_fs_locations *fs_locations; |
1074 | unsigned char migration:1, renew:1; |
1075 | }; |
1076 | |
1077 | struct nfs4_secinfo4 { |
1078 | u32 flavor; |
1079 | struct rpcsec_gss_info flavor_info; |
1080 | }; |
1081 | |
1082 | struct nfs4_secinfo_flavors { |
1083 | unsigned int num_flavors; |
1084 | struct nfs4_secinfo4 flavors[0]; |
1085 | }; |
1086 | |
1087 | struct nfs4_secinfo_arg { |
1088 | struct nfs4_sequence_args seq_args; |
1089 | const struct nfs_fh *dir_fh; |
1090 | const struct qstr *name; |
1091 | }; |
1092 | |
1093 | struct nfs4_secinfo_res { |
1094 | struct nfs4_sequence_res seq_res; |
1095 | struct nfs4_secinfo_flavors *flavors; |
1096 | }; |
1097 | |
1098 | struct nfs4_fsid_present_arg { |
1099 | struct nfs4_sequence_args seq_args; |
1100 | const struct nfs_fh *fh; |
1101 | clientid4 clientid; |
1102 | unsigned char renew:1; |
1103 | }; |
1104 | |
1105 | struct nfs4_fsid_present_res { |
1106 | struct nfs4_sequence_res seq_res; |
1107 | struct nfs_fh *fh; |
1108 | unsigned char renew:1; |
1109 | }; |
1110 | |
1111 | #endif /* CONFIG_NFS_V4 */ |
1112 | |
1113 | struct nfstime4 { |
1114 | u64 seconds; |
1115 | u32 nseconds; |
1116 | }; |
1117 | |
1118 | #ifdef CONFIG_NFS_V4_1 |
1119 | |
1120 | struct pnfs_commit_bucket { |
1121 | struct list_head written; |
1122 | struct list_head committing; |
1123 | struct pnfs_layout_segment *wlseg; |
1124 | struct pnfs_layout_segment *clseg; |
1125 | }; |
1126 | |
1127 | struct pnfs_ds_commit_info { |
1128 | int nwritten; |
1129 | int ncommitting; |
1130 | int nbuckets; |
1131 | struct pnfs_commit_bucket *buckets; |
1132 | }; |
1133 | |
1134 | #define NFS4_OP_MAP_NUM_LONGS \ |
1135 | DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) |
1136 | #define NFS4_OP_MAP_NUM_WORDS \ |
1137 | (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) |
1138 | struct nfs4_op_map { |
1139 | union { |
1140 | unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; |
1141 | u32 words[NFS4_OP_MAP_NUM_WORDS]; |
1142 | } u; |
1143 | }; |
1144 | |
1145 | struct nfs41_state_protection { |
1146 | u32 how; |
1147 | struct nfs4_op_map enforce; |
1148 | struct nfs4_op_map allow; |
1149 | }; |
1150 | |
1151 | #define NFS4_EXCHANGE_ID_LEN (48) |
1152 | struct nfs41_exchange_id_args { |
1153 | struct nfs_client *client; |
1154 | nfs4_verifier *verifier; |
1155 | unsigned int id_len; |
1156 | char id[NFS4_EXCHANGE_ID_LEN]; |
1157 | u32 flags; |
1158 | struct nfs41_state_protection state_protect; |
1159 | }; |
1160 | |
1161 | struct nfs41_server_owner { |
1162 | uint64_t minor_id; |
1163 | uint32_t major_id_sz; |
1164 | char major_id[NFS4_OPAQUE_LIMIT]; |
1165 | }; |
1166 | |
1167 | struct nfs41_server_scope { |
1168 | uint32_t server_scope_sz; |
1169 | char server_scope[NFS4_OPAQUE_LIMIT]; |
1170 | }; |
1171 | |
1172 | struct nfs41_impl_id { |
1173 | char domain[NFS4_OPAQUE_LIMIT + 1]; |
1174 | char name[NFS4_OPAQUE_LIMIT + 1]; |
1175 | struct nfstime4 date; |
1176 | }; |
1177 | |
1178 | struct nfs41_bind_conn_to_session_res { |
1179 | struct nfs4_session *session; |
1180 | u32 dir; |
1181 | bool use_conn_in_rdma_mode; |
1182 | }; |
1183 | |
1184 | struct nfs41_exchange_id_res { |
1185 | u64 clientid; |
1186 | u32 seqid; |
1187 | u32 flags; |
1188 | struct nfs41_server_owner *server_owner; |
1189 | struct nfs41_server_scope *server_scope; |
1190 | struct nfs41_impl_id *impl_id; |
1191 | struct nfs41_state_protection state_protect; |
1192 | }; |
1193 | |
1194 | struct nfs41_create_session_args { |
1195 | struct nfs_client *client; |
1196 | uint32_t flags; |
1197 | uint32_t cb_program; |
1198 | struct nfs4_channel_attrs fc_attrs; /* Fore Channel */ |
1199 | struct nfs4_channel_attrs bc_attrs; /* Back Channel */ |
1200 | }; |
1201 | |
1202 | struct nfs41_create_session_res { |
1203 | struct nfs_client *client; |
1204 | }; |
1205 | |
1206 | struct nfs41_reclaim_complete_args { |
1207 | struct nfs4_sequence_args seq_args; |
1208 | /* In the future extend to include curr_fh for use with migration */ |
1209 | unsigned char one_fs:1; |
1210 | }; |
1211 | |
1212 | struct nfs41_reclaim_complete_res { |
1213 | struct nfs4_sequence_res seq_res; |
1214 | }; |
1215 | |
1216 | #define SECINFO_STYLE_CURRENT_FH 0 |
1217 | #define SECINFO_STYLE_PARENT 1 |
1218 | struct nfs41_secinfo_no_name_args { |
1219 | struct nfs4_sequence_args seq_args; |
1220 | int style; |
1221 | }; |
1222 | |
1223 | struct nfs41_test_stateid_args { |
1224 | struct nfs4_sequence_args seq_args; |
1225 | nfs4_stateid *stateid; |
1226 | }; |
1227 | |
1228 | struct nfs41_test_stateid_res { |
1229 | struct nfs4_sequence_res seq_res; |
1230 | unsigned int status; |
1231 | }; |
1232 | |
1233 | struct nfs41_free_stateid_args { |
1234 | struct nfs4_sequence_args seq_args; |
1235 | nfs4_stateid stateid; |
1236 | }; |
1237 | |
1238 | struct nfs41_free_stateid_res { |
1239 | struct nfs4_sequence_res seq_res; |
1240 | unsigned int status; |
1241 | }; |
1242 | |
1243 | #else |
1244 | |
1245 | struct pnfs_ds_commit_info { |
1246 | }; |
1247 | |
1248 | #endif /* CONFIG_NFS_V4_1 */ |
1249 | |
1250 | struct nfs_page; |
1251 | |
1252 | #define NFS_PAGEVEC_SIZE (8U) |
1253 | |
1254 | struct nfs_page_array { |
1255 | struct page **pagevec; |
1256 | unsigned int npages; /* Max length of pagevec */ |
1257 | struct page *page_array[NFS_PAGEVEC_SIZE]; |
1258 | }; |
1259 | |
1260 | struct nfs_read_data { |
1261 | struct nfs_pgio_header *header; |
1262 | struct list_head list; |
1263 | struct rpc_task task; |
1264 | struct nfs_fattr fattr; /* fattr storage */ |
1265 | struct nfs_readargs args; |
1266 | struct nfs_readres res; |
1267 | unsigned long timestamp; /* For lease renewal */ |
1268 | int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data); |
1269 | __u64 mds_offset; |
1270 | struct nfs_page_array pages; |
1271 | struct nfs_client *ds_clp; /* pNFS data server */ |
1272 | }; |
1273 | |
1274 | /* used as flag bits in nfs_pgio_header */ |
1275 | enum { |
1276 | NFS_IOHDR_ERROR = 0, |
1277 | NFS_IOHDR_EOF, |
1278 | NFS_IOHDR_REDO, |
1279 | NFS_IOHDR_NEED_COMMIT, |
1280 | NFS_IOHDR_NEED_RESCHED, |
1281 | }; |
1282 | |
1283 | struct nfs_pgio_header { |
1284 | struct inode *inode; |
1285 | struct rpc_cred *cred; |
1286 | struct list_head pages; |
1287 | struct list_head rpc_list; |
1288 | atomic_t refcnt; |
1289 | struct nfs_page *req; |
1290 | struct nfs_writeverf *verf; |
1291 | struct pnfs_layout_segment *lseg; |
1292 | loff_t io_start; |
1293 | const struct rpc_call_ops *mds_ops; |
1294 | void (*release) (struct nfs_pgio_header *hdr); |
1295 | const struct nfs_pgio_completion_ops *completion_ops; |
1296 | struct nfs_direct_req *dreq; |
1297 | void *layout_private; |
1298 | spinlock_t lock; |
1299 | /* fields protected by lock */ |
1300 | int pnfs_error; |
1301 | int error; /* merge with pnfs_error */ |
1302 | unsigned long good_bytes; /* boundary of good data */ |
1303 | unsigned long flags; |
1304 | }; |
1305 | |
1306 | struct nfs_read_header { |
1307 | struct nfs_pgio_header header; |
1308 | struct nfs_read_data rpc_data; |
1309 | }; |
1310 | |
1311 | struct nfs_write_data { |
1312 | struct nfs_pgio_header *header; |
1313 | struct list_head list; |
1314 | struct rpc_task task; |
1315 | struct nfs_fattr fattr; |
1316 | struct nfs_writeverf verf; |
1317 | struct nfs_writeargs args; /* argument struct */ |
1318 | struct nfs_writeres res; /* result struct */ |
1319 | unsigned long timestamp; /* For lease renewal */ |
1320 | int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data); |
1321 | __u64 mds_offset; /* Filelayout dense stripe */ |
1322 | struct nfs_page_array pages; |
1323 | struct nfs_client *ds_clp; /* pNFS data server */ |
1324 | }; |
1325 | |
1326 | struct nfs_write_header { |
1327 | struct nfs_pgio_header header; |
1328 | struct nfs_write_data rpc_data; |
1329 | struct nfs_writeverf verf; |
1330 | }; |
1331 | |
1332 | struct nfs_mds_commit_info { |
1333 | atomic_t rpcs_out; |
1334 | unsigned long ncommit; |
1335 | struct list_head list; |
1336 | }; |
1337 | |
1338 | struct nfs_commit_data; |
1339 | struct nfs_inode; |
1340 | struct nfs_commit_completion_ops { |
1341 | void (*error_cleanup) (struct nfs_inode *nfsi); |
1342 | void (*completion) (struct nfs_commit_data *data); |
1343 | }; |
1344 | |
1345 | struct nfs_commit_info { |
1346 | spinlock_t *lock; |
1347 | struct nfs_mds_commit_info *mds; |
1348 | struct pnfs_ds_commit_info *ds; |
1349 | struct nfs_direct_req *dreq; /* O_DIRECT request */ |
1350 | const struct nfs_commit_completion_ops *completion_ops; |
1351 | }; |
1352 | |
1353 | struct nfs_commit_data { |
1354 | struct rpc_task task; |
1355 | struct inode *inode; |
1356 | struct rpc_cred *cred; |
1357 | struct nfs_fattr fattr; |
1358 | struct nfs_writeverf verf; |
1359 | struct list_head pages; /* Coalesced requests we wish to flush */ |
1360 | struct list_head list; /* lists of struct nfs_write_data */ |
1361 | struct nfs_direct_req *dreq; /* O_DIRECT request */ |
1362 | struct nfs_commitargs args; /* argument struct */ |
1363 | struct nfs_commitres res; /* result struct */ |
1364 | struct nfs_open_context *context; |
1365 | struct pnfs_layout_segment *lseg; |
1366 | struct nfs_client *ds_clp; /* pNFS data server */ |
1367 | int ds_commit_index; |
1368 | const struct rpc_call_ops *mds_ops; |
1369 | const struct nfs_commit_completion_ops *completion_ops; |
1370 | int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data); |
1371 | }; |
1372 | |
1373 | struct nfs_pgio_completion_ops { |
1374 | void (*error_cleanup)(struct list_head *head); |
1375 | void (*init_hdr)(struct nfs_pgio_header *hdr); |
1376 | void (*completion)(struct nfs_pgio_header *hdr); |
1377 | }; |
1378 | |
1379 | struct nfs_unlinkdata { |
1380 | struct hlist_node list; |
1381 | struct nfs_removeargs args; |
1382 | struct nfs_removeres res; |
1383 | struct inode *dir; |
1384 | struct rpc_cred *cred; |
1385 | struct nfs_fattr dir_attr; |
1386 | }; |
1387 | |
1388 | struct nfs_renamedata { |
1389 | struct nfs_renameargs args; |
1390 | struct nfs_renameres res; |
1391 | struct rpc_cred *cred; |
1392 | struct inode *old_dir; |
1393 | struct dentry *old_dentry; |
1394 | struct nfs_fattr old_fattr; |
1395 | struct inode *new_dir; |
1396 | struct dentry *new_dentry; |
1397 | struct nfs_fattr new_fattr; |
1398 | }; |
1399 | |
1400 | struct nfs_access_entry; |
1401 | struct nfs_client; |
1402 | struct rpc_timeout; |
1403 | struct nfs_subversion; |
1404 | struct nfs_mount_info; |
1405 | struct nfs_client_initdata; |
1406 | struct nfs_pageio_descriptor; |
1407 | |
1408 | /* |
1409 | * RPC procedure vector for NFSv2/NFSv3 demuxing |
1410 | */ |
1411 | struct nfs_rpc_ops { |
1412 | u32 version; /* Protocol version */ |
1413 | const struct dentry_operations *dentry_ops; |
1414 | const struct inode_operations *dir_inode_ops; |
1415 | const struct inode_operations *file_inode_ops; |
1416 | const struct file_operations *file_ops; |
1417 | |
1418 | int (*getroot) (struct nfs_server *, struct nfs_fh *, |
1419 | struct nfs_fsinfo *); |
1420 | struct vfsmount *(*submount) (struct nfs_server *, struct dentry *, |
1421 | struct nfs_fh *, struct nfs_fattr *); |
1422 | struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *, |
1423 | struct nfs_subversion *); |
1424 | int (*getattr) (struct nfs_server *, struct nfs_fh *, |
1425 | struct nfs_fattr *, struct nfs4_label *); |
1426 | int (*setattr) (struct dentry *, struct nfs_fattr *, |
1427 | struct iattr *); |
1428 | int (*lookup) (struct inode *, struct qstr *, |
1429 | struct nfs_fh *, struct nfs_fattr *, |
1430 | struct nfs4_label *); |
1431 | int (*access) (struct inode *, struct nfs_access_entry *); |
1432 | int (*readlink)(struct inode *, struct page *, unsigned int, |
1433 | unsigned int); |
1434 | int (*create) (struct inode *, struct dentry *, |
1435 | struct iattr *, int); |
1436 | int (*remove) (struct inode *, struct qstr *); |
1437 | void (*unlink_setup) (struct rpc_message *, struct inode *dir); |
1438 | void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *); |
1439 | int (*unlink_done) (struct rpc_task *, struct inode *); |
1440 | int (*rename) (struct inode *, struct qstr *, |
1441 | struct inode *, struct qstr *); |
1442 | void (*rename_setup) (struct rpc_message *msg, struct inode *dir); |
1443 | void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *); |
1444 | int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir); |
1445 | int (*link) (struct inode *, struct inode *, struct qstr *); |
1446 | int (*symlink) (struct inode *, struct dentry *, struct page *, |
1447 | unsigned int, struct iattr *); |
1448 | int (*mkdir) (struct inode *, struct dentry *, struct iattr *); |
1449 | int (*rmdir) (struct inode *, struct qstr *); |
1450 | int (*readdir) (struct dentry *, struct rpc_cred *, |
1451 | u64, struct page **, unsigned int, int); |
1452 | int (*mknod) (struct inode *, struct dentry *, struct iattr *, |
1453 | dev_t); |
1454 | int (*statfs) (struct nfs_server *, struct nfs_fh *, |
1455 | struct nfs_fsstat *); |
1456 | int (*fsinfo) (struct nfs_server *, struct nfs_fh *, |
1457 | struct nfs_fsinfo *); |
1458 | int (*pathconf) (struct nfs_server *, struct nfs_fh *, |
1459 | struct nfs_pathconf *); |
1460 | int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); |
1461 | int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int); |
1462 | void (*read_setup) (struct nfs_read_data *, struct rpc_message *); |
1463 | void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, |
1464 | const struct nfs_pgio_completion_ops *); |
1465 | int (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *); |
1466 | int (*read_done) (struct rpc_task *, struct nfs_read_data *); |
1467 | void (*write_setup) (struct nfs_write_data *, struct rpc_message *); |
1468 | void (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int, |
1469 | const struct nfs_pgio_completion_ops *); |
1470 | int (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *); |
1471 | int (*write_done) (struct rpc_task *, struct nfs_write_data *); |
1472 | void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *); |
1473 | void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *); |
1474 | int (*commit_done) (struct rpc_task *, struct nfs_commit_data *); |
1475 | int (*lock)(struct file *, int, struct file_lock *); |
1476 | int (*lock_check_bounds)(const struct file_lock *); |
1477 | void (*clear_acl_cache)(struct inode *); |
1478 | void (*close_context)(struct nfs_open_context *ctx, int); |
1479 | struct inode * (*open_context) (struct inode *dir, |
1480 | struct nfs_open_context *ctx, |
1481 | int open_flags, |
1482 | struct iattr *iattr, |
1483 | int *); |
1484 | int (*have_delegation)(struct inode *, fmode_t); |
1485 | int (*return_delegation)(struct inode *); |
1486 | struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *); |
1487 | struct nfs_client * |
1488 | (*init_client) (struct nfs_client *, const struct rpc_timeout *, |
1489 | const char *); |
1490 | void (*free_client) (struct nfs_client *); |
1491 | struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *); |
1492 | struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *, |
1493 | struct nfs_fattr *, rpc_authflavor_t); |
1494 | }; |
1495 | |
1496 | /* |
1497 | * NFS_CALL(getattr, inode, (fattr)); |
1498 | * into |
1499 | * NFS_PROTO(inode)->getattr(fattr); |
1500 | */ |
1501 | #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args |
1502 | |
1503 | /* |
1504 | * Function vectors etc. for the NFS client |
1505 | */ |
1506 | extern const struct nfs_rpc_ops nfs_v2_clientops; |
1507 | extern const struct nfs_rpc_ops nfs_v3_clientops; |
1508 | extern const struct nfs_rpc_ops nfs_v4_clientops; |
1509 | extern const struct rpc_version nfs_version2; |
1510 | extern const struct rpc_version nfs_version3; |
1511 | extern const struct rpc_version nfs_version4; |
1512 | |
1513 | extern const struct rpc_version nfsacl_version3; |
1514 | extern const struct rpc_program nfsacl_program; |
1515 | |
1516 | #endif |
1517 |
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