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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 | __u32 clone_blksize; /* granularity of a CLONE operation */ | |
145 | }; | |
146 | ||
147 | struct nfs_fsstat { | |
148 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
149 | __u64 tbytes; /* total size in bytes */ | |
150 | __u64 fbytes; /* # of free bytes */ | |
151 | __u64 abytes; /* # of bytes available to user */ | |
152 | __u64 tfiles; /* # of files */ | |
153 | __u64 ffiles; /* # of free files */ | |
154 | __u64 afiles; /* # of files available to user */ | |
155 | }; | |
156 | ||
157 | struct nfs2_fsstat { | |
158 | __u32 tsize; /* Server transfer size */ | |
159 | __u32 bsize; /* Filesystem block size */ | |
160 | __u32 blocks; /* No. of "bsize" blocks on filesystem */ | |
161 | __u32 bfree; /* No. of free "bsize" blocks */ | |
162 | __u32 bavail; /* No. of available "bsize" blocks */ | |
163 | }; | |
164 | ||
165 | struct nfs_pathconf { | |
166 | struct nfs_fattr *fattr; /* Post-op attributes */ | |
167 | __u32 max_link; /* max # of hard links */ | |
168 | __u32 max_namelen; /* max name length */ | |
169 | }; | |
170 | ||
171 | struct nfs4_change_info { | |
172 | u32 atomic; | |
173 | u64 before; | |
174 | u64 after; | |
175 | }; | |
176 | ||
177 | struct nfs_seqid; | |
178 | ||
179 | /* nfs41 sessions channel attributes */ | |
180 | struct nfs4_channel_attrs { | |
181 | u32 max_rqst_sz; | |
182 | u32 max_resp_sz; | |
183 | u32 max_resp_sz_cached; | |
184 | u32 max_ops; | |
185 | u32 max_reqs; | |
186 | }; | |
187 | ||
188 | struct nfs4_slot; | |
189 | struct nfs4_sequence_args { | |
190 | struct nfs4_slot *sa_slot; | |
191 | u8 sa_cache_this : 1, | |
192 | sa_privileged : 1; | |
193 | }; | |
194 | ||
195 | struct nfs4_sequence_res { | |
196 | struct nfs4_slot *sr_slot; /* slot used to send request */ | |
197 | unsigned long sr_timestamp; | |
198 | int sr_status; /* sequence operation status */ | |
199 | u32 sr_status_flags; | |
200 | u32 sr_highest_slotid; | |
201 | u32 sr_target_highest_slotid; | |
202 | }; | |
203 | ||
204 | struct nfs4_get_lease_time_args { | |
205 | struct nfs4_sequence_args la_seq_args; | |
206 | }; | |
207 | ||
208 | struct nfs4_get_lease_time_res { | |
209 | struct nfs4_sequence_res lr_seq_res; | |
210 | struct nfs_fsinfo *lr_fsinfo; | |
211 | }; | |
212 | ||
213 | #define PNFS_LAYOUT_MAXSIZE 4096 | |
214 | ||
215 | struct nfs4_layoutdriver_data { | |
216 | struct page **pages; | |
217 | __u32 pglen; | |
218 | __u32 len; | |
219 | }; | |
220 | ||
221 | struct pnfs_layout_range { | |
222 | u32 iomode; | |
223 | u64 offset; | |
224 | u64 length; | |
225 | }; | |
226 | ||
227 | struct nfs4_layoutget_args { | |
228 | struct nfs4_sequence_args seq_args; | |
229 | __u32 type; | |
230 | struct pnfs_layout_range range; | |
231 | __u64 minlength; | |
232 | __u32 maxcount; | |
233 | struct inode *inode; | |
234 | struct nfs_open_context *ctx; | |
235 | nfs4_stateid stateid; | |
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_getdeviceinfo_args { | |
256 | struct nfs4_sequence_args seq_args; | |
257 | struct pnfs_device *pdev; | |
258 | __u32 notify_types; | |
259 | }; | |
260 | ||
261 | struct nfs4_getdeviceinfo_res { | |
262 | struct nfs4_sequence_res seq_res; | |
263 | struct pnfs_device *pdev; | |
264 | __u32 notification; | |
265 | }; | |
266 | ||
267 | struct nfs4_layoutcommit_args { | |
268 | struct nfs4_sequence_args seq_args; | |
269 | nfs4_stateid stateid; | |
270 | __u64 lastbytewritten; | |
271 | struct inode *inode; | |
272 | const u32 *bitmask; | |
273 | size_t layoutupdate_len; | |
274 | struct page *layoutupdate_page; | |
275 | struct page **layoutupdate_pages; | |
276 | __be32 *start_p; | |
277 | }; | |
278 | ||
279 | struct nfs4_layoutcommit_res { | |
280 | struct nfs4_sequence_res seq_res; | |
281 | struct nfs_fattr *fattr; | |
282 | const struct nfs_server *server; | |
283 | int status; | |
284 | }; | |
285 | ||
286 | struct nfs4_layoutcommit_data { | |
287 | struct rpc_task task; | |
288 | struct nfs_fattr fattr; | |
289 | struct list_head lseg_list; | |
290 | struct rpc_cred *cred; | |
291 | struct inode *inode; | |
292 | struct nfs4_layoutcommit_args args; | |
293 | struct nfs4_layoutcommit_res res; | |
294 | }; | |
295 | ||
296 | struct nfs4_layoutreturn_args { | |
297 | struct nfs4_sequence_args seq_args; | |
298 | struct pnfs_layout_hdr *layout; | |
299 | struct inode *inode; | |
300 | struct pnfs_layout_range range; | |
301 | nfs4_stateid stateid; | |
302 | __u32 layout_type; | |
303 | }; | |
304 | ||
305 | struct nfs4_layoutreturn_res { | |
306 | struct nfs4_sequence_res seq_res; | |
307 | u32 lrs_present; | |
308 | nfs4_stateid stateid; | |
309 | }; | |
310 | ||
311 | struct nfs4_layoutreturn { | |
312 | struct nfs4_layoutreturn_args args; | |
313 | struct nfs4_layoutreturn_res res; | |
314 | struct rpc_cred *cred; | |
315 | struct nfs_client *clp; | |
316 | struct inode *inode; | |
317 | int rpc_status; | |
318 | }; | |
319 | ||
320 | #define PNFS_LAYOUTSTATS_MAXSIZE 256 | |
321 | ||
322 | struct nfs42_layoutstat_args; | |
323 | struct nfs42_layoutstat_devinfo; | |
324 | typedef void (*layoutstats_encode_t)(struct xdr_stream *, | |
325 | struct nfs42_layoutstat_args *, | |
326 | struct nfs42_layoutstat_devinfo *); | |
327 | ||
328 | /* Per file per deviceid layoutstats */ | |
329 | struct nfs42_layoutstat_devinfo { | |
330 | struct nfs4_deviceid dev_id; | |
331 | __u64 offset; | |
332 | __u64 length; | |
333 | __u64 read_count; | |
334 | __u64 read_bytes; | |
335 | __u64 write_count; | |
336 | __u64 write_bytes; | |
337 | __u32 layout_type; | |
338 | layoutstats_encode_t layoutstats_encode; | |
339 | void *layout_private; | |
340 | }; | |
341 | ||
342 | struct nfs42_layoutstat_args { | |
343 | struct nfs4_sequence_args seq_args; | |
344 | struct nfs_fh *fh; | |
345 | struct inode *inode; | |
346 | nfs4_stateid stateid; | |
347 | int num_dev; | |
348 | struct nfs42_layoutstat_devinfo *devinfo; | |
349 | }; | |
350 | ||
351 | struct nfs42_layoutstat_res { | |
352 | struct nfs4_sequence_res seq_res; | |
353 | int num_dev; | |
354 | int rpc_status; | |
355 | }; | |
356 | ||
357 | struct nfs42_layoutstat_data { | |
358 | struct inode *inode; | |
359 | struct nfs42_layoutstat_args args; | |
360 | struct nfs42_layoutstat_res res; | |
361 | }; | |
362 | ||
363 | struct nfs42_clone_args { | |
364 | struct nfs4_sequence_args seq_args; | |
365 | struct nfs_fh *src_fh; | |
366 | struct nfs_fh *dst_fh; | |
367 | nfs4_stateid src_stateid; | |
368 | nfs4_stateid dst_stateid; | |
369 | __u64 src_offset; | |
370 | __u64 dst_offset; | |
371 | __u64 count; | |
372 | const u32 *dst_bitmask; | |
373 | }; | |
374 | ||
375 | struct nfs42_clone_res { | |
376 | struct nfs4_sequence_res seq_res; | |
377 | unsigned int rpc_status; | |
378 | struct nfs_fattr *dst_fattr; | |
379 | const struct nfs_server *server; | |
380 | }; | |
381 | ||
382 | struct stateowner_id { | |
383 | __u64 create_time; | |
384 | __u32 uniquifier; | |
385 | }; | |
386 | ||
387 | /* | |
388 | * Arguments to the open call. | |
389 | */ | |
390 | struct nfs_openargs { | |
391 | struct nfs4_sequence_args seq_args; | |
392 | const struct nfs_fh * fh; | |
393 | struct nfs_seqid * seqid; | |
394 | int open_flags; | |
395 | fmode_t fmode; | |
396 | u32 share_access; | |
397 | u32 access; | |
398 | __u64 clientid; | |
399 | struct stateowner_id id; | |
400 | union { | |
401 | struct { | |
402 | struct iattr * attrs; /* UNCHECKED, GUARDED, EXCLUSIVE4_1 */ | |
403 | nfs4_verifier verifier; /* EXCLUSIVE */ | |
404 | }; | |
405 | nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ | |
406 | fmode_t delegation_type; /* CLAIM_PREVIOUS */ | |
407 | } u; | |
408 | const struct qstr * name; | |
409 | const struct nfs_server *server; /* Needed for ID mapping */ | |
410 | const u32 * bitmask; | |
411 | const u32 * open_bitmap; | |
412 | enum open_claim_type4 claim; | |
413 | enum createmode4 createmode; | |
414 | const struct nfs4_label *label; | |
415 | }; | |
416 | ||
417 | struct nfs_openres { | |
418 | struct nfs4_sequence_res seq_res; | |
419 | nfs4_stateid stateid; | |
420 | struct nfs_fh fh; | |
421 | struct nfs4_change_info cinfo; | |
422 | __u32 rflags; | |
423 | struct nfs_fattr * f_attr; | |
424 | struct nfs4_label *f_label; | |
425 | struct nfs_seqid * seqid; | |
426 | const struct nfs_server *server; | |
427 | fmode_t delegation_type; | |
428 | nfs4_stateid delegation; | |
429 | unsigned long pagemod_limit; | |
430 | __u32 do_recall; | |
431 | __u32 attrset[NFS4_BITMAP_SIZE]; | |
432 | struct nfs4_string *owner; | |
433 | struct nfs4_string *group_owner; | |
434 | __u32 access_request; | |
435 | __u32 access_supported; | |
436 | __u32 access_result; | |
437 | }; | |
438 | ||
439 | /* | |
440 | * Arguments to the open_confirm call. | |
441 | */ | |
442 | struct nfs_open_confirmargs { | |
443 | struct nfs4_sequence_args seq_args; | |
444 | const struct nfs_fh * fh; | |
445 | nfs4_stateid * stateid; | |
446 | struct nfs_seqid * seqid; | |
447 | }; | |
448 | ||
449 | struct nfs_open_confirmres { | |
450 | struct nfs4_sequence_res seq_res; | |
451 | nfs4_stateid stateid; | |
452 | struct nfs_seqid * seqid; | |
453 | }; | |
454 | ||
455 | /* | |
456 | * Arguments to the close call. | |
457 | */ | |
458 | struct nfs_closeargs { | |
459 | struct nfs4_sequence_args seq_args; | |
460 | struct nfs_fh * fh; | |
461 | nfs4_stateid stateid; | |
462 | struct nfs_seqid * seqid; | |
463 | fmode_t fmode; | |
464 | u32 share_access; | |
465 | const u32 * bitmask; | |
466 | }; | |
467 | ||
468 | struct nfs_closeres { | |
469 | struct nfs4_sequence_res seq_res; | |
470 | nfs4_stateid stateid; | |
471 | struct nfs_fattr * fattr; | |
472 | struct nfs_seqid * seqid; | |
473 | const struct nfs_server *server; | |
474 | }; | |
475 | /* | |
476 | * * Arguments to the lock,lockt, and locku call. | |
477 | * */ | |
478 | struct nfs_lowner { | |
479 | __u64 clientid; | |
480 | __u64 id; | |
481 | dev_t s_dev; | |
482 | }; | |
483 | ||
484 | struct nfs_lock_args { | |
485 | struct nfs4_sequence_args seq_args; | |
486 | struct nfs_fh * fh; | |
487 | struct file_lock * fl; | |
488 | struct nfs_seqid * lock_seqid; | |
489 | nfs4_stateid lock_stateid; | |
490 | struct nfs_seqid * open_seqid; | |
491 | nfs4_stateid open_stateid; | |
492 | struct nfs_lowner lock_owner; | |
493 | unsigned char block : 1; | |
494 | unsigned char reclaim : 1; | |
495 | unsigned char new_lock : 1; | |
496 | unsigned char new_lock_owner : 1; | |
497 | }; | |
498 | ||
499 | struct nfs_lock_res { | |
500 | struct nfs4_sequence_res seq_res; | |
501 | nfs4_stateid stateid; | |
502 | struct nfs_seqid * lock_seqid; | |
503 | struct nfs_seqid * open_seqid; | |
504 | }; | |
505 | ||
506 | struct nfs_locku_args { | |
507 | struct nfs4_sequence_args seq_args; | |
508 | struct nfs_fh * fh; | |
509 | struct file_lock * fl; | |
510 | struct nfs_seqid * seqid; | |
511 | nfs4_stateid stateid; | |
512 | }; | |
513 | ||
514 | struct nfs_locku_res { | |
515 | struct nfs4_sequence_res seq_res; | |
516 | nfs4_stateid stateid; | |
517 | struct nfs_seqid * seqid; | |
518 | }; | |
519 | ||
520 | struct nfs_lockt_args { | |
521 | struct nfs4_sequence_args seq_args; | |
522 | struct nfs_fh * fh; | |
523 | struct file_lock * fl; | |
524 | struct nfs_lowner lock_owner; | |
525 | }; | |
526 | ||
527 | struct nfs_lockt_res { | |
528 | struct nfs4_sequence_res seq_res; | |
529 | struct file_lock * denied; /* LOCK, LOCKT failed */ | |
530 | }; | |
531 | ||
532 | struct nfs_release_lockowner_args { | |
533 | struct nfs4_sequence_args seq_args; | |
534 | struct nfs_lowner lock_owner; | |
535 | }; | |
536 | ||
537 | struct nfs_release_lockowner_res { | |
538 | struct nfs4_sequence_res seq_res; | |
539 | }; | |
540 | ||
541 | struct nfs4_delegreturnargs { | |
542 | struct nfs4_sequence_args seq_args; | |
543 | const struct nfs_fh *fhandle; | |
544 | const nfs4_stateid *stateid; | |
545 | const u32 * bitmask; | |
546 | }; | |
547 | ||
548 | struct nfs4_delegreturnres { | |
549 | struct nfs4_sequence_res seq_res; | |
550 | struct nfs_fattr * fattr; | |
551 | struct nfs_server *server; | |
552 | }; | |
553 | ||
554 | /* | |
555 | * Arguments to the write call. | |
556 | */ | |
557 | struct nfs_write_verifier { | |
558 | char data[8]; | |
559 | }; | |
560 | ||
561 | struct nfs_writeverf { | |
562 | struct nfs_write_verifier verifier; | |
563 | enum nfs3_stable_how committed; | |
564 | }; | |
565 | ||
566 | /* | |
567 | * Arguments shared by the read and write call. | |
568 | */ | |
569 | struct nfs_pgio_args { | |
570 | struct nfs4_sequence_args seq_args; | |
571 | struct nfs_fh * fh; | |
572 | struct nfs_open_context *context; | |
573 | struct nfs_lock_context *lock_context; | |
574 | nfs4_stateid stateid; | |
575 | __u64 offset; | |
576 | __u32 count; | |
577 | unsigned int pgbase; | |
578 | struct page ** pages; | |
579 | const u32 * bitmask; /* used by write */ | |
580 | enum nfs3_stable_how stable; /* used by write */ | |
581 | }; | |
582 | ||
583 | struct nfs_pgio_res { | |
584 | struct nfs4_sequence_res seq_res; | |
585 | struct nfs_fattr * fattr; | |
586 | __u32 count; | |
587 | __u32 op_status; | |
588 | int eof; /* used by read */ | |
589 | struct nfs_writeverf * verf; /* used by write */ | |
590 | const struct nfs_server *server; /* used by write */ | |
591 | ||
592 | }; | |
593 | ||
594 | /* | |
595 | * Arguments to the commit call. | |
596 | */ | |
597 | struct nfs_commitargs { | |
598 | struct nfs4_sequence_args seq_args; | |
599 | struct nfs_fh *fh; | |
600 | __u64 offset; | |
601 | __u32 count; | |
602 | const u32 *bitmask; | |
603 | }; | |
604 | ||
605 | struct nfs_commitres { | |
606 | struct nfs4_sequence_res seq_res; | |
607 | __u32 op_status; | |
608 | struct nfs_fattr *fattr; | |
609 | struct nfs_writeverf *verf; | |
610 | const struct nfs_server *server; | |
611 | }; | |
612 | ||
613 | /* | |
614 | * Common arguments to the unlink call | |
615 | */ | |
616 | struct nfs_removeargs { | |
617 | struct nfs4_sequence_args seq_args; | |
618 | const struct nfs_fh *fh; | |
619 | struct qstr name; | |
620 | }; | |
621 | ||
622 | struct nfs_removeres { | |
623 | struct nfs4_sequence_res seq_res; | |
624 | struct nfs_server *server; | |
625 | struct nfs_fattr *dir_attr; | |
626 | struct nfs4_change_info cinfo; | |
627 | }; | |
628 | ||
629 | /* | |
630 | * Common arguments to the rename call | |
631 | */ | |
632 | struct nfs_renameargs { | |
633 | struct nfs4_sequence_args seq_args; | |
634 | const struct nfs_fh *old_dir; | |
635 | const struct nfs_fh *new_dir; | |
636 | const struct qstr *old_name; | |
637 | const struct qstr *new_name; | |
638 | }; | |
639 | ||
640 | struct nfs_renameres { | |
641 | struct nfs4_sequence_res seq_res; | |
642 | struct nfs_server *server; | |
643 | struct nfs4_change_info old_cinfo; | |
644 | struct nfs_fattr *old_fattr; | |
645 | struct nfs4_change_info new_cinfo; | |
646 | struct nfs_fattr *new_fattr; | |
647 | }; | |
648 | ||
649 | /* parsed sec= options */ | |
650 | #define NFS_AUTH_INFO_MAX_FLAVORS 12 /* see fs/nfs/super.c */ | |
651 | struct nfs_auth_info { | |
652 | unsigned int flavor_len; | |
653 | rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS]; | |
654 | }; | |
655 | ||
656 | /* | |
657 | * Argument struct for decode_entry function | |
658 | */ | |
659 | struct nfs_entry { | |
660 | __u64 ino; | |
661 | __u64 cookie, | |
662 | prev_cookie; | |
663 | const char * name; | |
664 | unsigned int len; | |
665 | int eof; | |
666 | struct nfs_fh * fh; | |
667 | struct nfs_fattr * fattr; | |
668 | struct nfs4_label *label; | |
669 | unsigned char d_type; | |
670 | struct nfs_server * server; | |
671 | }; | |
672 | ||
673 | /* | |
674 | * The following types are for NFSv2 only. | |
675 | */ | |
676 | struct nfs_sattrargs { | |
677 | struct nfs_fh * fh; | |
678 | struct iattr * sattr; | |
679 | }; | |
680 | ||
681 | struct nfs_diropargs { | |
682 | struct nfs_fh * fh; | |
683 | const char * name; | |
684 | unsigned int len; | |
685 | }; | |
686 | ||
687 | struct nfs_createargs { | |
688 | struct nfs_fh * fh; | |
689 | const char * name; | |
690 | unsigned int len; | |
691 | struct iattr * sattr; | |
692 | }; | |
693 | ||
694 | struct nfs_setattrargs { | |
695 | struct nfs4_sequence_args seq_args; | |
696 | struct nfs_fh * fh; | |
697 | nfs4_stateid stateid; | |
698 | struct iattr * iap; | |
699 | const struct nfs_server * server; /* Needed for name mapping */ | |
700 | const u32 * bitmask; | |
701 | const struct nfs4_label *label; | |
702 | }; | |
703 | ||
704 | struct nfs_setaclargs { | |
705 | struct nfs4_sequence_args seq_args; | |
706 | struct nfs_fh * fh; | |
707 | size_t acl_len; | |
708 | struct page ** acl_pages; | |
709 | }; | |
710 | ||
711 | struct nfs_setaclres { | |
712 | struct nfs4_sequence_res seq_res; | |
713 | }; | |
714 | ||
715 | struct nfs_getaclargs { | |
716 | struct nfs4_sequence_args seq_args; | |
717 | struct nfs_fh * fh; | |
718 | size_t acl_len; | |
719 | struct page ** acl_pages; | |
720 | }; | |
721 | ||
722 | /* getxattr ACL interface flags */ | |
723 | #define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */ | |
724 | struct nfs_getaclres { | |
725 | struct nfs4_sequence_res seq_res; | |
726 | size_t acl_len; | |
727 | size_t acl_data_offset; | |
728 | int acl_flags; | |
729 | struct page * acl_scratch; | |
730 | }; | |
731 | ||
732 | struct nfs_setattrres { | |
733 | struct nfs4_sequence_res seq_res; | |
734 | struct nfs_fattr * fattr; | |
735 | struct nfs4_label *label; | |
736 | const struct nfs_server * server; | |
737 | }; | |
738 | ||
739 | struct nfs_linkargs { | |
740 | struct nfs_fh * fromfh; | |
741 | struct nfs_fh * tofh; | |
742 | const char * toname; | |
743 | unsigned int tolen; | |
744 | }; | |
745 | ||
746 | struct nfs_symlinkargs { | |
747 | struct nfs_fh * fromfh; | |
748 | const char * fromname; | |
749 | unsigned int fromlen; | |
750 | struct page ** pages; | |
751 | unsigned int pathlen; | |
752 | struct iattr * sattr; | |
753 | }; | |
754 | ||
755 | struct nfs_readdirargs { | |
756 | struct nfs_fh * fh; | |
757 | __u32 cookie; | |
758 | unsigned int count; | |
759 | struct page ** pages; | |
760 | }; | |
761 | ||
762 | struct nfs3_getaclargs { | |
763 | struct nfs_fh * fh; | |
764 | int mask; | |
765 | struct page ** pages; | |
766 | }; | |
767 | ||
768 | struct nfs3_setaclargs { | |
769 | struct inode * inode; | |
770 | int mask; | |
771 | struct posix_acl * acl_access; | |
772 | struct posix_acl * acl_default; | |
773 | size_t len; | |
774 | unsigned int npages; | |
775 | struct page ** pages; | |
776 | }; | |
777 | ||
778 | struct nfs_diropok { | |
779 | struct nfs_fh * fh; | |
780 | struct nfs_fattr * fattr; | |
781 | }; | |
782 | ||
783 | struct nfs_readlinkargs { | |
784 | struct nfs_fh * fh; | |
785 | unsigned int pgbase; | |
786 | unsigned int pglen; | |
787 | struct page ** pages; | |
788 | }; | |
789 | ||
790 | struct nfs3_sattrargs { | |
791 | struct nfs_fh * fh; | |
792 | struct iattr * sattr; | |
793 | unsigned int guard; | |
794 | struct timespec guardtime; | |
795 | }; | |
796 | ||
797 | struct nfs3_diropargs { | |
798 | struct nfs_fh * fh; | |
799 | const char * name; | |
800 | unsigned int len; | |
801 | }; | |
802 | ||
803 | struct nfs3_accessargs { | |
804 | struct nfs_fh * fh; | |
805 | __u32 access; | |
806 | }; | |
807 | ||
808 | struct nfs3_createargs { | |
809 | struct nfs_fh * fh; | |
810 | const char * name; | |
811 | unsigned int len; | |
812 | struct iattr * sattr; | |
813 | enum nfs3_createmode createmode; | |
814 | __be32 verifier[2]; | |
815 | }; | |
816 | ||
817 | struct nfs3_mkdirargs { | |
818 | struct nfs_fh * fh; | |
819 | const char * name; | |
820 | unsigned int len; | |
821 | struct iattr * sattr; | |
822 | }; | |
823 | ||
824 | struct nfs3_symlinkargs { | |
825 | struct nfs_fh * fromfh; | |
826 | const char * fromname; | |
827 | unsigned int fromlen; | |
828 | struct page ** pages; | |
829 | unsigned int pathlen; | |
830 | struct iattr * sattr; | |
831 | }; | |
832 | ||
833 | struct nfs3_mknodargs { | |
834 | struct nfs_fh * fh; | |
835 | const char * name; | |
836 | unsigned int len; | |
837 | enum nfs3_ftype type; | |
838 | struct iattr * sattr; | |
839 | dev_t rdev; | |
840 | }; | |
841 | ||
842 | struct nfs3_linkargs { | |
843 | struct nfs_fh * fromfh; | |
844 | struct nfs_fh * tofh; | |
845 | const char * toname; | |
846 | unsigned int tolen; | |
847 | }; | |
848 | ||
849 | struct nfs3_readdirargs { | |
850 | struct nfs_fh * fh; | |
851 | __u64 cookie; | |
852 | __be32 verf[2]; | |
853 | int plus; | |
854 | unsigned int count; | |
855 | struct page ** pages; | |
856 | }; | |
857 | ||
858 | struct nfs3_diropres { | |
859 | struct nfs_fattr * dir_attr; | |
860 | struct nfs_fh * fh; | |
861 | struct nfs_fattr * fattr; | |
862 | }; | |
863 | ||
864 | struct nfs3_accessres { | |
865 | struct nfs_fattr * fattr; | |
866 | __u32 access; | |
867 | }; | |
868 | ||
869 | struct nfs3_readlinkargs { | |
870 | struct nfs_fh * fh; | |
871 | unsigned int pgbase; | |
872 | unsigned int pglen; | |
873 | struct page ** pages; | |
874 | }; | |
875 | ||
876 | struct nfs3_linkres { | |
877 | struct nfs_fattr * dir_attr; | |
878 | struct nfs_fattr * fattr; | |
879 | }; | |
880 | ||
881 | struct nfs3_readdirres { | |
882 | struct nfs_fattr * dir_attr; | |
883 | __be32 * verf; | |
884 | int plus; | |
885 | }; | |
886 | ||
887 | struct nfs3_getaclres { | |
888 | struct nfs_fattr * fattr; | |
889 | int mask; | |
890 | unsigned int acl_access_count; | |
891 | unsigned int acl_default_count; | |
892 | struct posix_acl * acl_access; | |
893 | struct posix_acl * acl_default; | |
894 | }; | |
895 | ||
896 | #if IS_ENABLED(CONFIG_NFS_V4) | |
897 | ||
898 | typedef u64 clientid4; | |
899 | ||
900 | struct nfs4_accessargs { | |
901 | struct nfs4_sequence_args seq_args; | |
902 | const struct nfs_fh * fh; | |
903 | const u32 * bitmask; | |
904 | u32 access; | |
905 | }; | |
906 | ||
907 | struct nfs4_accessres { | |
908 | struct nfs4_sequence_res seq_res; | |
909 | const struct nfs_server * server; | |
910 | struct nfs_fattr * fattr; | |
911 | u32 supported; | |
912 | u32 access; | |
913 | }; | |
914 | ||
915 | struct nfs4_create_arg { | |
916 | struct nfs4_sequence_args seq_args; | |
917 | u32 ftype; | |
918 | union { | |
919 | struct { | |
920 | struct page ** pages; | |
921 | unsigned int len; | |
922 | } symlink; /* NF4LNK */ | |
923 | struct { | |
924 | u32 specdata1; | |
925 | u32 specdata2; | |
926 | } device; /* NF4BLK, NF4CHR */ | |
927 | } u; | |
928 | const struct qstr * name; | |
929 | const struct nfs_server * server; | |
930 | const struct iattr * attrs; | |
931 | const struct nfs_fh * dir_fh; | |
932 | const u32 * bitmask; | |
933 | const struct nfs4_label *label; | |
934 | }; | |
935 | ||
936 | struct nfs4_create_res { | |
937 | struct nfs4_sequence_res seq_res; | |
938 | const struct nfs_server * server; | |
939 | struct nfs_fh * fh; | |
940 | struct nfs_fattr * fattr; | |
941 | struct nfs4_label *label; | |
942 | struct nfs4_change_info dir_cinfo; | |
943 | }; | |
944 | ||
945 | struct nfs4_fsinfo_arg { | |
946 | struct nfs4_sequence_args seq_args; | |
947 | const struct nfs_fh * fh; | |
948 | const u32 * bitmask; | |
949 | }; | |
950 | ||
951 | struct nfs4_fsinfo_res { | |
952 | struct nfs4_sequence_res seq_res; | |
953 | struct nfs_fsinfo *fsinfo; | |
954 | }; | |
955 | ||
956 | struct nfs4_getattr_arg { | |
957 | struct nfs4_sequence_args seq_args; | |
958 | const struct nfs_fh * fh; | |
959 | const u32 * bitmask; | |
960 | }; | |
961 | ||
962 | struct nfs4_getattr_res { | |
963 | struct nfs4_sequence_res seq_res; | |
964 | const struct nfs_server * server; | |
965 | struct nfs_fattr * fattr; | |
966 | struct nfs4_label *label; | |
967 | }; | |
968 | ||
969 | struct nfs4_link_arg { | |
970 | struct nfs4_sequence_args seq_args; | |
971 | const struct nfs_fh * fh; | |
972 | const struct nfs_fh * dir_fh; | |
973 | const struct qstr * name; | |
974 | const u32 * bitmask; | |
975 | }; | |
976 | ||
977 | struct nfs4_link_res { | |
978 | struct nfs4_sequence_res seq_res; | |
979 | const struct nfs_server * server; | |
980 | struct nfs_fattr * fattr; | |
981 | struct nfs4_label *label; | |
982 | struct nfs4_change_info cinfo; | |
983 | struct nfs_fattr * dir_attr; | |
984 | }; | |
985 | ||
986 | ||
987 | struct nfs4_lookup_arg { | |
988 | struct nfs4_sequence_args seq_args; | |
989 | const struct nfs_fh * dir_fh; | |
990 | const struct qstr * name; | |
991 | const u32 * bitmask; | |
992 | }; | |
993 | ||
994 | struct nfs4_lookup_res { | |
995 | struct nfs4_sequence_res seq_res; | |
996 | const struct nfs_server * server; | |
997 | struct nfs_fattr * fattr; | |
998 | struct nfs_fh * fh; | |
999 | struct nfs4_label *label; | |
1000 | }; | |
1001 | ||
1002 | struct nfs4_lookup_root_arg { | |
1003 | struct nfs4_sequence_args seq_args; | |
1004 | const u32 * bitmask; | |
1005 | }; | |
1006 | ||
1007 | struct nfs4_pathconf_arg { | |
1008 | struct nfs4_sequence_args seq_args; | |
1009 | const struct nfs_fh * fh; | |
1010 | const u32 * bitmask; | |
1011 | }; | |
1012 | ||
1013 | struct nfs4_pathconf_res { | |
1014 | struct nfs4_sequence_res seq_res; | |
1015 | struct nfs_pathconf *pathconf; | |
1016 | }; | |
1017 | ||
1018 | struct nfs4_readdir_arg { | |
1019 | struct nfs4_sequence_args seq_args; | |
1020 | const struct nfs_fh * fh; | |
1021 | u64 cookie; | |
1022 | nfs4_verifier verifier; | |
1023 | u32 count; | |
1024 | struct page ** pages; /* zero-copy data */ | |
1025 | unsigned int pgbase; /* zero-copy data */ | |
1026 | const u32 * bitmask; | |
1027 | int plus; | |
1028 | }; | |
1029 | ||
1030 | struct nfs4_readdir_res { | |
1031 | struct nfs4_sequence_res seq_res; | |
1032 | nfs4_verifier verifier; | |
1033 | unsigned int pgbase; | |
1034 | }; | |
1035 | ||
1036 | struct nfs4_readlink { | |
1037 | struct nfs4_sequence_args seq_args; | |
1038 | const struct nfs_fh * fh; | |
1039 | unsigned int pgbase; | |
1040 | unsigned int pglen; /* zero-copy data */ | |
1041 | struct page ** pages; /* zero-copy data */ | |
1042 | }; | |
1043 | ||
1044 | struct nfs4_readlink_res { | |
1045 | struct nfs4_sequence_res seq_res; | |
1046 | }; | |
1047 | ||
1048 | struct nfs4_setclientid { | |
1049 | const nfs4_verifier * sc_verifier; | |
1050 | u32 sc_prog; | |
1051 | unsigned int sc_netid_len; | |
1052 | char sc_netid[RPCBIND_MAXNETIDLEN + 1]; | |
1053 | unsigned int sc_uaddr_len; | |
1054 | char sc_uaddr[RPCBIND_MAXUADDRLEN + 1]; | |
1055 | struct nfs_client *sc_clnt; | |
1056 | struct rpc_cred *sc_cred; | |
1057 | }; | |
1058 | ||
1059 | struct nfs4_setclientid_res { | |
1060 | u64 clientid; | |
1061 | nfs4_verifier confirm; | |
1062 | }; | |
1063 | ||
1064 | struct nfs4_statfs_arg { | |
1065 | struct nfs4_sequence_args seq_args; | |
1066 | const struct nfs_fh * fh; | |
1067 | const u32 * bitmask; | |
1068 | }; | |
1069 | ||
1070 | struct nfs4_statfs_res { | |
1071 | struct nfs4_sequence_res seq_res; | |
1072 | struct nfs_fsstat *fsstat; | |
1073 | }; | |
1074 | ||
1075 | struct nfs4_server_caps_arg { | |
1076 | struct nfs4_sequence_args seq_args; | |
1077 | struct nfs_fh *fhandle; | |
1078 | const u32 * bitmask; | |
1079 | }; | |
1080 | ||
1081 | struct nfs4_server_caps_res { | |
1082 | struct nfs4_sequence_res seq_res; | |
1083 | u32 attr_bitmask[3]; | |
1084 | u32 exclcreat_bitmask[3]; | |
1085 | u32 acl_bitmask; | |
1086 | u32 has_links; | |
1087 | u32 has_symlinks; | |
1088 | u32 fh_expire_type; | |
1089 | }; | |
1090 | ||
1091 | #define NFS4_PATHNAME_MAXCOMPONENTS 512 | |
1092 | struct nfs4_pathname { | |
1093 | unsigned int ncomponents; | |
1094 | struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS]; | |
1095 | }; | |
1096 | ||
1097 | #define NFS4_FS_LOCATION_MAXSERVERS 10 | |
1098 | struct nfs4_fs_location { | |
1099 | unsigned int nservers; | |
1100 | struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS]; | |
1101 | struct nfs4_pathname rootpath; | |
1102 | }; | |
1103 | ||
1104 | #define NFS4_FS_LOCATIONS_MAXENTRIES 10 | |
1105 | struct nfs4_fs_locations { | |
1106 | struct nfs_fattr fattr; | |
1107 | const struct nfs_server *server; | |
1108 | struct nfs4_pathname fs_path; | |
1109 | int nlocations; | |
1110 | struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES]; | |
1111 | }; | |
1112 | ||
1113 | struct nfs4_fs_locations_arg { | |
1114 | struct nfs4_sequence_args seq_args; | |
1115 | const struct nfs_fh *dir_fh; | |
1116 | const struct nfs_fh *fh; | |
1117 | const struct qstr *name; | |
1118 | struct page *page; | |
1119 | const u32 *bitmask; | |
1120 | clientid4 clientid; | |
1121 | unsigned char migration:1, renew:1; | |
1122 | }; | |
1123 | ||
1124 | struct nfs4_fs_locations_res { | |
1125 | struct nfs4_sequence_res seq_res; | |
1126 | struct nfs4_fs_locations *fs_locations; | |
1127 | unsigned char migration:1, renew:1; | |
1128 | }; | |
1129 | ||
1130 | struct nfs4_secinfo4 { | |
1131 | u32 flavor; | |
1132 | struct rpcsec_gss_info flavor_info; | |
1133 | }; | |
1134 | ||
1135 | struct nfs4_secinfo_flavors { | |
1136 | unsigned int num_flavors; | |
1137 | struct nfs4_secinfo4 flavors[0]; | |
1138 | }; | |
1139 | ||
1140 | struct nfs4_secinfo_arg { | |
1141 | struct nfs4_sequence_args seq_args; | |
1142 | const struct nfs_fh *dir_fh; | |
1143 | const struct qstr *name; | |
1144 | }; | |
1145 | ||
1146 | struct nfs4_secinfo_res { | |
1147 | struct nfs4_sequence_res seq_res; | |
1148 | struct nfs4_secinfo_flavors *flavors; | |
1149 | }; | |
1150 | ||
1151 | struct nfs4_fsid_present_arg { | |
1152 | struct nfs4_sequence_args seq_args; | |
1153 | const struct nfs_fh *fh; | |
1154 | clientid4 clientid; | |
1155 | unsigned char renew:1; | |
1156 | }; | |
1157 | ||
1158 | struct nfs4_fsid_present_res { | |
1159 | struct nfs4_sequence_res seq_res; | |
1160 | struct nfs_fh *fh; | |
1161 | unsigned char renew:1; | |
1162 | }; | |
1163 | ||
1164 | #endif /* CONFIG_NFS_V4 */ | |
1165 | ||
1166 | struct nfstime4 { | |
1167 | u64 seconds; | |
1168 | u32 nseconds; | |
1169 | }; | |
1170 | ||
1171 | #ifdef CONFIG_NFS_V4_1 | |
1172 | ||
1173 | struct pnfs_commit_bucket { | |
1174 | struct list_head written; | |
1175 | struct list_head committing; | |
1176 | struct pnfs_layout_segment *wlseg; | |
1177 | struct pnfs_layout_segment *clseg; | |
1178 | struct nfs_writeverf direct_verf; | |
1179 | }; | |
1180 | ||
1181 | struct pnfs_ds_commit_info { | |
1182 | int nwritten; | |
1183 | int ncommitting; | |
1184 | int nbuckets; | |
1185 | struct pnfs_commit_bucket *buckets; | |
1186 | }; | |
1187 | ||
1188 | struct nfs41_state_protection { | |
1189 | u32 how; | |
1190 | struct nfs4_op_map enforce; | |
1191 | struct nfs4_op_map allow; | |
1192 | }; | |
1193 | ||
1194 | struct nfs41_exchange_id_args { | |
1195 | struct nfs_client *client; | |
1196 | nfs4_verifier *verifier; | |
1197 | u32 flags; | |
1198 | struct nfs41_state_protection state_protect; | |
1199 | }; | |
1200 | ||
1201 | struct nfs41_server_owner { | |
1202 | uint64_t minor_id; | |
1203 | uint32_t major_id_sz; | |
1204 | char major_id[NFS4_OPAQUE_LIMIT]; | |
1205 | }; | |
1206 | ||
1207 | struct nfs41_server_scope { | |
1208 | uint32_t server_scope_sz; | |
1209 | char server_scope[NFS4_OPAQUE_LIMIT]; | |
1210 | }; | |
1211 | ||
1212 | struct nfs41_impl_id { | |
1213 | char domain[NFS4_OPAQUE_LIMIT + 1]; | |
1214 | char name[NFS4_OPAQUE_LIMIT + 1]; | |
1215 | struct nfstime4 date; | |
1216 | }; | |
1217 | ||
1218 | struct nfs41_bind_conn_to_session_args { | |
1219 | struct nfs_client *client; | |
1220 | struct nfs4_sessionid sessionid; | |
1221 | u32 dir; | |
1222 | bool use_conn_in_rdma_mode; | |
1223 | }; | |
1224 | ||
1225 | struct nfs41_bind_conn_to_session_res { | |
1226 | struct nfs4_sessionid sessionid; | |
1227 | u32 dir; | |
1228 | bool use_conn_in_rdma_mode; | |
1229 | }; | |
1230 | ||
1231 | struct nfs41_exchange_id_res { | |
1232 | u64 clientid; | |
1233 | u32 seqid; | |
1234 | u32 flags; | |
1235 | struct nfs41_server_owner *server_owner; | |
1236 | struct nfs41_server_scope *server_scope; | |
1237 | struct nfs41_impl_id *impl_id; | |
1238 | struct nfs41_state_protection state_protect; | |
1239 | }; | |
1240 | ||
1241 | struct nfs41_create_session_args { | |
1242 | struct nfs_client *client; | |
1243 | u64 clientid; | |
1244 | uint32_t seqid; | |
1245 | uint32_t flags; | |
1246 | uint32_t cb_program; | |
1247 | struct nfs4_channel_attrs fc_attrs; /* Fore Channel */ | |
1248 | struct nfs4_channel_attrs bc_attrs; /* Back Channel */ | |
1249 | }; | |
1250 | ||
1251 | struct nfs41_create_session_res { | |
1252 | struct nfs4_sessionid sessionid; | |
1253 | uint32_t seqid; | |
1254 | uint32_t flags; | |
1255 | struct nfs4_channel_attrs fc_attrs; /* Fore Channel */ | |
1256 | struct nfs4_channel_attrs bc_attrs; /* Back Channel */ | |
1257 | }; | |
1258 | ||
1259 | struct nfs41_reclaim_complete_args { | |
1260 | struct nfs4_sequence_args seq_args; | |
1261 | /* In the future extend to include curr_fh for use with migration */ | |
1262 | unsigned char one_fs:1; | |
1263 | }; | |
1264 | ||
1265 | struct nfs41_reclaim_complete_res { | |
1266 | struct nfs4_sequence_res seq_res; | |
1267 | }; | |
1268 | ||
1269 | #define SECINFO_STYLE_CURRENT_FH 0 | |
1270 | #define SECINFO_STYLE_PARENT 1 | |
1271 | struct nfs41_secinfo_no_name_args { | |
1272 | struct nfs4_sequence_args seq_args; | |
1273 | int style; | |
1274 | }; | |
1275 | ||
1276 | struct nfs41_test_stateid_args { | |
1277 | struct nfs4_sequence_args seq_args; | |
1278 | nfs4_stateid *stateid; | |
1279 | }; | |
1280 | ||
1281 | struct nfs41_test_stateid_res { | |
1282 | struct nfs4_sequence_res seq_res; | |
1283 | unsigned int status; | |
1284 | }; | |
1285 | ||
1286 | struct nfs41_free_stateid_args { | |
1287 | struct nfs4_sequence_args seq_args; | |
1288 | nfs4_stateid stateid; | |
1289 | }; | |
1290 | ||
1291 | struct nfs41_free_stateid_res { | |
1292 | struct nfs4_sequence_res seq_res; | |
1293 | unsigned int status; | |
1294 | }; | |
1295 | ||
1296 | static inline void | |
1297 | nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo) | |
1298 | { | |
1299 | kfree(cinfo->buckets); | |
1300 | } | |
1301 | ||
1302 | #else | |
1303 | ||
1304 | struct pnfs_ds_commit_info { | |
1305 | }; | |
1306 | ||
1307 | static inline void | |
1308 | nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo) | |
1309 | { | |
1310 | } | |
1311 | ||
1312 | #endif /* CONFIG_NFS_V4_1 */ | |
1313 | ||
1314 | #ifdef CONFIG_NFS_V4_2 | |
1315 | struct nfs42_falloc_args { | |
1316 | struct nfs4_sequence_args seq_args; | |
1317 | ||
1318 | struct nfs_fh *falloc_fh; | |
1319 | nfs4_stateid falloc_stateid; | |
1320 | u64 falloc_offset; | |
1321 | u64 falloc_length; | |
1322 | const u32 *falloc_bitmask; | |
1323 | }; | |
1324 | ||
1325 | struct nfs42_falloc_res { | |
1326 | struct nfs4_sequence_res seq_res; | |
1327 | unsigned int status; | |
1328 | ||
1329 | struct nfs_fattr *falloc_fattr; | |
1330 | const struct nfs_server *falloc_server; | |
1331 | }; | |
1332 | ||
1333 | struct nfs42_copy_args { | |
1334 | struct nfs4_sequence_args seq_args; | |
1335 | ||
1336 | struct nfs_fh *src_fh; | |
1337 | nfs4_stateid src_stateid; | |
1338 | u64 src_pos; | |
1339 | ||
1340 | struct nfs_fh *dst_fh; | |
1341 | nfs4_stateid dst_stateid; | |
1342 | u64 dst_pos; | |
1343 | ||
1344 | u64 count; | |
1345 | }; | |
1346 | ||
1347 | struct nfs42_write_res { | |
1348 | u64 count; | |
1349 | struct nfs_writeverf verifier; | |
1350 | }; | |
1351 | ||
1352 | struct nfs42_copy_res { | |
1353 | struct nfs4_sequence_res seq_res; | |
1354 | struct nfs42_write_res write_res; | |
1355 | bool consecutive; | |
1356 | bool synchronous; | |
1357 | }; | |
1358 | ||
1359 | struct nfs42_seek_args { | |
1360 | struct nfs4_sequence_args seq_args; | |
1361 | ||
1362 | struct nfs_fh *sa_fh; | |
1363 | nfs4_stateid sa_stateid; | |
1364 | u64 sa_offset; | |
1365 | u32 sa_what; | |
1366 | }; | |
1367 | ||
1368 | struct nfs42_seek_res { | |
1369 | struct nfs4_sequence_res seq_res; | |
1370 | unsigned int status; | |
1371 | ||
1372 | u32 sr_eof; | |
1373 | u64 sr_offset; | |
1374 | }; | |
1375 | #endif | |
1376 | ||
1377 | struct nfs_page; | |
1378 | ||
1379 | #define NFS_PAGEVEC_SIZE (8U) | |
1380 | ||
1381 | struct nfs_page_array { | |
1382 | struct page **pagevec; | |
1383 | unsigned int npages; /* Max length of pagevec */ | |
1384 | struct page *page_array[NFS_PAGEVEC_SIZE]; | |
1385 | }; | |
1386 | ||
1387 | /* used as flag bits in nfs_pgio_header */ | |
1388 | enum { | |
1389 | NFS_IOHDR_ERROR = 0, | |
1390 | NFS_IOHDR_EOF, | |
1391 | NFS_IOHDR_REDO, | |
1392 | NFS_IOHDR_STAT, | |
1393 | }; | |
1394 | ||
1395 | struct nfs_pgio_header { | |
1396 | struct inode *inode; | |
1397 | struct rpc_cred *cred; | |
1398 | struct list_head pages; | |
1399 | struct nfs_page *req; | |
1400 | struct nfs_writeverf verf; /* Used for writes */ | |
1401 | struct pnfs_layout_segment *lseg; | |
1402 | loff_t io_start; | |
1403 | const struct rpc_call_ops *mds_ops; | |
1404 | void (*release) (struct nfs_pgio_header *hdr); | |
1405 | const struct nfs_pgio_completion_ops *completion_ops; | |
1406 | const struct nfs_rw_ops *rw_ops; | |
1407 | struct nfs_direct_req *dreq; | |
1408 | void *layout_private; | |
1409 | spinlock_t lock; | |
1410 | /* fields protected by lock */ | |
1411 | int pnfs_error; | |
1412 | int error; /* merge with pnfs_error */ | |
1413 | unsigned long good_bytes; /* boundary of good data */ | |
1414 | unsigned long flags; | |
1415 | ||
1416 | /* | |
1417 | * rpc data | |
1418 | */ | |
1419 | struct rpc_task task; | |
1420 | struct nfs_fattr fattr; | |
1421 | struct nfs_pgio_args args; /* argument struct */ | |
1422 | struct nfs_pgio_res res; /* result struct */ | |
1423 | unsigned long timestamp; /* For lease renewal */ | |
1424 | int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *); | |
1425 | __u64 mds_offset; /* Filelayout dense stripe */ | |
1426 | struct nfs_page_array page_array; | |
1427 | struct nfs_client *ds_clp; /* pNFS data server */ | |
1428 | int ds_commit_idx; /* ds index if ds_clp is set */ | |
1429 | int pgio_mirror_idx;/* mirror index in pgio layer */ | |
1430 | }; | |
1431 | ||
1432 | struct nfs_mds_commit_info { | |
1433 | atomic_t rpcs_out; | |
1434 | unsigned long ncommit; | |
1435 | struct list_head list; | |
1436 | }; | |
1437 | ||
1438 | struct nfs_commit_info; | |
1439 | struct nfs_commit_data; | |
1440 | struct nfs_inode; | |
1441 | struct nfs_commit_completion_ops { | |
1442 | void (*completion) (struct nfs_commit_data *data); | |
1443 | void (*resched_write) (struct nfs_commit_info *, struct nfs_page *); | |
1444 | }; | |
1445 | ||
1446 | struct nfs_commit_info { | |
1447 | struct inode *inode; /* Needed for inode->i_lock */ | |
1448 | struct nfs_mds_commit_info *mds; | |
1449 | struct pnfs_ds_commit_info *ds; | |
1450 | struct nfs_direct_req *dreq; /* O_DIRECT request */ | |
1451 | const struct nfs_commit_completion_ops *completion_ops; | |
1452 | }; | |
1453 | ||
1454 | struct nfs_commit_data { | |
1455 | struct rpc_task task; | |
1456 | struct inode *inode; | |
1457 | struct rpc_cred *cred; | |
1458 | struct nfs_fattr fattr; | |
1459 | struct nfs_writeverf verf; | |
1460 | struct list_head pages; /* Coalesced requests we wish to flush */ | |
1461 | struct list_head list; /* lists of struct nfs_write_data */ | |
1462 | struct nfs_direct_req *dreq; /* O_DIRECT request */ | |
1463 | struct nfs_commitargs args; /* argument struct */ | |
1464 | struct nfs_commitres res; /* result struct */ | |
1465 | struct nfs_open_context *context; | |
1466 | struct pnfs_layout_segment *lseg; | |
1467 | struct nfs_client *ds_clp; /* pNFS data server */ | |
1468 | int ds_commit_index; | |
1469 | loff_t lwb; | |
1470 | const struct rpc_call_ops *mds_ops; | |
1471 | const struct nfs_commit_completion_ops *completion_ops; | |
1472 | int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data); | |
1473 | unsigned long flags; | |
1474 | }; | |
1475 | ||
1476 | struct nfs_pgio_completion_ops { | |
1477 | void (*error_cleanup)(struct list_head *head); | |
1478 | void (*init_hdr)(struct nfs_pgio_header *hdr); | |
1479 | void (*completion)(struct nfs_pgio_header *hdr); | |
1480 | void (*reschedule_io)(struct nfs_pgio_header *hdr); | |
1481 | }; | |
1482 | ||
1483 | struct nfs_unlinkdata { | |
1484 | struct nfs_removeargs args; | |
1485 | struct nfs_removeres res; | |
1486 | struct dentry *dentry; | |
1487 | wait_queue_head_t wq; | |
1488 | struct rpc_cred *cred; | |
1489 | struct nfs_fattr dir_attr; | |
1490 | long timeout; | |
1491 | }; | |
1492 | ||
1493 | struct nfs_renamedata { | |
1494 | struct nfs_renameargs args; | |
1495 | struct nfs_renameres res; | |
1496 | struct rpc_cred *cred; | |
1497 | struct inode *old_dir; | |
1498 | struct dentry *old_dentry; | |
1499 | struct nfs_fattr old_fattr; | |
1500 | struct inode *new_dir; | |
1501 | struct dentry *new_dentry; | |
1502 | struct nfs_fattr new_fattr; | |
1503 | void (*complete)(struct rpc_task *, struct nfs_renamedata *); | |
1504 | long timeout; | |
1505 | }; | |
1506 | ||
1507 | struct nfs_access_entry; | |
1508 | struct nfs_client; | |
1509 | struct rpc_timeout; | |
1510 | struct nfs_subversion; | |
1511 | struct nfs_mount_info; | |
1512 | struct nfs_client_initdata; | |
1513 | struct nfs_pageio_descriptor; | |
1514 | ||
1515 | /* | |
1516 | * RPC procedure vector for NFSv2/NFSv3 demuxing | |
1517 | */ | |
1518 | struct nfs_rpc_ops { | |
1519 | u32 version; /* Protocol version */ | |
1520 | const struct dentry_operations *dentry_ops; | |
1521 | const struct inode_operations *dir_inode_ops; | |
1522 | const struct inode_operations *file_inode_ops; | |
1523 | const struct file_operations *file_ops; | |
1524 | ||
1525 | int (*getroot) (struct nfs_server *, struct nfs_fh *, | |
1526 | struct nfs_fsinfo *); | |
1527 | struct vfsmount *(*submount) (struct nfs_server *, struct dentry *, | |
1528 | struct nfs_fh *, struct nfs_fattr *); | |
1529 | struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *, | |
1530 | struct nfs_subversion *); | |
1531 | int (*getattr) (struct nfs_server *, struct nfs_fh *, | |
1532 | struct nfs_fattr *, struct nfs4_label *); | |
1533 | int (*setattr) (struct dentry *, struct nfs_fattr *, | |
1534 | struct iattr *); | |
1535 | int (*lookup) (struct inode *, const struct qstr *, | |
1536 | struct nfs_fh *, struct nfs_fattr *, | |
1537 | struct nfs4_label *); | |
1538 | int (*access) (struct inode *, struct nfs_access_entry *); | |
1539 | int (*readlink)(struct inode *, struct page *, unsigned int, | |
1540 | unsigned int); | |
1541 | int (*create) (struct inode *, struct dentry *, | |
1542 | struct iattr *, int); | |
1543 | int (*remove) (struct inode *, const struct qstr *); | |
1544 | void (*unlink_setup) (struct rpc_message *, struct inode *dir); | |
1545 | void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *); | |
1546 | int (*unlink_done) (struct rpc_task *, struct inode *); | |
1547 | void (*rename_setup) (struct rpc_message *msg, struct inode *dir); | |
1548 | void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *); | |
1549 | int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir); | |
1550 | int (*link) (struct inode *, struct inode *, const struct qstr *); | |
1551 | int (*symlink) (struct inode *, struct dentry *, struct page *, | |
1552 | unsigned int, struct iattr *); | |
1553 | int (*mkdir) (struct inode *, struct dentry *, struct iattr *); | |
1554 | int (*rmdir) (struct inode *, const struct qstr *); | |
1555 | int (*readdir) (struct dentry *, struct rpc_cred *, | |
1556 | u64, struct page **, unsigned int, int); | |
1557 | int (*mknod) (struct inode *, struct dentry *, struct iattr *, | |
1558 | dev_t); | |
1559 | int (*statfs) (struct nfs_server *, struct nfs_fh *, | |
1560 | struct nfs_fsstat *); | |
1561 | int (*fsinfo) (struct nfs_server *, struct nfs_fh *, | |
1562 | struct nfs_fsinfo *); | |
1563 | int (*pathconf) (struct nfs_server *, struct nfs_fh *, | |
1564 | struct nfs_pathconf *); | |
1565 | int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); | |
1566 | int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int); | |
1567 | int (*pgio_rpc_prepare)(struct rpc_task *, | |
1568 | struct nfs_pgio_header *); | |
1569 | void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *); | |
1570 | int (*read_done)(struct rpc_task *, struct nfs_pgio_header *); | |
1571 | void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *); | |
1572 | int (*write_done)(struct rpc_task *, struct nfs_pgio_header *); | |
1573 | void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *); | |
1574 | void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *); | |
1575 | int (*commit_done) (struct rpc_task *, struct nfs_commit_data *); | |
1576 | int (*lock)(struct file *, int, struct file_lock *); | |
1577 | int (*lock_check_bounds)(const struct file_lock *); | |
1578 | void (*clear_acl_cache)(struct inode *); | |
1579 | void (*close_context)(struct nfs_open_context *ctx, int); | |
1580 | struct inode * (*open_context) (struct inode *dir, | |
1581 | struct nfs_open_context *ctx, | |
1582 | int open_flags, | |
1583 | struct iattr *iattr, | |
1584 | int *); | |
1585 | int (*have_delegation)(struct inode *, fmode_t); | |
1586 | int (*return_delegation)(struct inode *); | |
1587 | struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *); | |
1588 | struct nfs_client *(*init_client) (struct nfs_client *, | |
1589 | const struct nfs_client_initdata *); | |
1590 | void (*free_client) (struct nfs_client *); | |
1591 | struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *); | |
1592 | struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *, | |
1593 | struct nfs_fattr *, rpc_authflavor_t); | |
1594 | }; | |
1595 | ||
1596 | /* | |
1597 | * NFS_CALL(getattr, inode, (fattr)); | |
1598 | * into | |
1599 | * NFS_PROTO(inode)->getattr(fattr); | |
1600 | */ | |
1601 | #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args | |
1602 | ||
1603 | /* | |
1604 | * Function vectors etc. for the NFS client | |
1605 | */ | |
1606 | extern const struct nfs_rpc_ops nfs_v2_clientops; | |
1607 | extern const struct nfs_rpc_ops nfs_v3_clientops; | |
1608 | extern const struct nfs_rpc_ops nfs_v4_clientops; | |
1609 | extern const struct rpc_version nfs_version2; | |
1610 | extern const struct rpc_version nfs_version3; | |
1611 | extern const struct rpc_version nfs_version4; | |
1612 | ||
1613 | extern const struct rpc_version nfsacl_version3; | |
1614 | extern const struct rpc_program nfsacl_program; | |
1615 | ||
1616 | #endif |