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NFS: Create a try_mount rpc op
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CommitLineData
1da177e4
LT
1#ifndef _LINUX_NFS_XDR_H
2#define _LINUX_NFS_XDR_H
3
b7fa0554 4#include <linux/nfsacl.h>
5a5ea0d4 5#include <linux/sunrpc/gss_api.h>
1da177e4 6
40859d7e
CL
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
5a5ea0d4
BS
17/* Forward declaration for NFS v3 */
18struct nfs4_secinfo_flavors;
19
6926afd1
TM
20struct nfs4_string {
21 unsigned int len;
22 char *data;
23};
24
8b4bdcf8
TM
25struct nfs_fsid {
26 uint64_t major;
27 uint64_t minor;
1da177e4
LT
28};
29
8b4bdcf8
TM
30/*
31 * Helper for checking equality between 2 fsids.
32 */
33static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
34{
35 return a->major == b->major && a->minor == b->minor;
36}
37
88034c3d
AA
38struct nfs4_threshold {
39 __u32 bm;
40 __u32 l_type;
41 __u64 rd_sz;
42 __u64 wr_sz;
43 __u64 rd_io_sz;
44 __u64 wr_io_sz;
45};
46
1da177e4 47struct nfs_fattr {
9e6e70f8 48 unsigned int valid; /* which fields are valid */
bca79478 49 umode_t mode;
1da177e4
LT
50 __u32 nlink;
51 __u32 uid;
52 __u32 gid;
9fa8d66f 53 dev_t rdev;
1da177e4
LT
54 __u64 size;
55 union {
56 struct {
57 __u32 blocksize;
58 __u32 blocks;
59 } nfs2;
60 struct {
61 __u64 used;
62 } nfs3;
63 } du;
8b4bdcf8 64 struct nfs_fsid fsid;
1da177e4 65 __u64 fileid;
28331a46 66 __u64 mounted_on_fileid;
1da177e4
LT
67 struct timespec atime;
68 struct timespec mtime;
69 struct timespec ctime;
1da177e4
LT
70 __u64 change_attr; /* NFSv4 change attribute */
71 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
1ca277d8
TM
72 __u64 pre_size; /* pre_op_attr.size */
73 struct timespec pre_mtime; /* pre_op_attr.mtime */
74 struct timespec pre_ctime; /* pre_op_attr.ctime */
33801147 75 unsigned long time_start;
4704f0e2 76 unsigned long gencount;
6926afd1
TM
77 struct nfs4_string *owner_name;
78 struct nfs4_string *group_name;
88034c3d 79 struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */
1da177e4
LT
80};
81
9e6e70f8
TM
82#define NFS_ATTR_FATTR_TYPE (1U << 0)
83#define NFS_ATTR_FATTR_MODE (1U << 1)
84#define NFS_ATTR_FATTR_NLINK (1U << 2)
85#define NFS_ATTR_FATTR_OWNER (1U << 3)
86#define NFS_ATTR_FATTR_GROUP (1U << 4)
87#define NFS_ATTR_FATTR_RDEV (1U << 5)
88#define NFS_ATTR_FATTR_SIZE (1U << 6)
89#define NFS_ATTR_FATTR_PRESIZE (1U << 7)
90#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
91#define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
92#define NFS_ATTR_FATTR_FSID (1U << 10)
93#define NFS_ATTR_FATTR_FILEID (1U << 11)
94#define NFS_ATTR_FATTR_ATIME (1U << 12)
95#define NFS_ATTR_FATTR_MTIME (1U << 13)
96#define NFS_ATTR_FATTR_CTIME (1U << 14)
97#define NFS_ATTR_FATTR_PREMTIME (1U << 15)
98#define NFS_ATTR_FATTR_PRECTIME (1U << 16)
99#define NFS_ATTR_FATTR_CHANGE (1U << 17)
100#define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
81934ddb
CL
101#define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19)
102#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
103#define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
104#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
105#define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
106#define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
9e6e70f8
TM
107
108#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
109 | NFS_ATTR_FATTR_MODE \
110 | NFS_ATTR_FATTR_NLINK \
111 | NFS_ATTR_FATTR_OWNER \
112 | NFS_ATTR_FATTR_GROUP \
113 | NFS_ATTR_FATTR_RDEV \
114 | NFS_ATTR_FATTR_SIZE \
115 | NFS_ATTR_FATTR_FSID \
116 | NFS_ATTR_FATTR_FILEID \
117 | NFS_ATTR_FATTR_ATIME \
118 | NFS_ATTR_FATTR_MTIME \
3a1556e8
TM
119 | NFS_ATTR_FATTR_CTIME \
120 | NFS_ATTR_FATTR_CHANGE)
9e6e70f8
TM
121#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
122 | NFS_ATTR_FATTR_BLOCKS_USED)
123#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
124 | NFS_ATTR_FATTR_SPACE_USED)
125#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
3a1556e8 126 | NFS_ATTR_FATTR_SPACE_USED)
1da177e4
LT
127
128/*
129 * Info on the file system
130 */
131struct nfs_fsinfo {
132 struct nfs_fattr *fattr; /* Post-op attributes */
133 __u32 rtmax; /* max. read transfer size */
134 __u32 rtpref; /* pref. read transfer size */
135 __u32 rtmult; /* reads should be multiple of this */
136 __u32 wtmax; /* max. write transfer size */
137 __u32 wtpref; /* pref. write transfer size */
138 __u32 wtmult; /* writes should be multiple of this */
139 __u32 dtpref; /* pref. readdir transfer size */
140 __u64 maxfilesize;
6b96724e 141 struct timespec time_delta; /* server time granularity */
1da177e4 142 __u32 lease_time; /* in seconds */
504913fb 143 __u32 layouttype; /* supported pnfs layout driver */
dae100c2 144 __u32 blksize; /* preferred pnfs io block size */
1da177e4
LT
145};
146
147struct 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
157struct 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
165struct 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
171struct nfs4_change_info {
172 u32 atomic;
173 u64 before;
174 u64 after;
175};
176
cee54fc9 177struct nfs_seqid;
9ff71c3a 178
557134a3
AA
179/* nfs41 sessions channel attributes */
180struct nfs4_channel_attrs {
557134a3
AA
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/* nfs41 sessions slot seqid */
189struct nfs4_slot {
190 u32 seq_nr;
191};
192
9ff71c3a 193struct nfs4_sequence_args {
f3752975 194 struct nfs4_session *sa_session;
45d43c29 195 u32 sa_slotid;
fbcd4abc 196 u8 sa_cache_this;
9ff71c3a
BH
197};
198
199struct nfs4_sequence_res {
f3752975 200 struct nfs4_session *sr_session;
dfb4f309 201 struct nfs4_slot *sr_slot; /* slot used to send request */
fbcd4abc 202 int sr_status; /* sequence operation status */
a01878aa 203 unsigned long sr_renewal_time;
0629e370 204 u32 sr_status_flags;
9ff71c3a
BH
205};
206
2050f0cc
AA
207struct nfs4_get_lease_time_args {
208 struct nfs4_sequence_args la_seq_args;
209};
210
211struct nfs4_get_lease_time_res {
212 struct nfs_fsinfo *lr_fsinfo;
213 struct nfs4_sequence_res lr_seq_res;
214};
215
b1f69b75
AA
216#define PNFS_LAYOUT_MAXSIZE 4096
217
218struct nfs4_layoutdriver_data {
35124a09
WAA
219 struct page **pages;
220 __u32 pglen;
b1f69b75 221 __u32 len;
b1f69b75
AA
222};
223
224struct pnfs_layout_range {
225 u32 iomode;
226 u64 offset;
227 u64 length;
228};
229
230struct nfs4_layoutget_args {
231 __u32 type;
232 struct pnfs_layout_range range;
233 __u64 minlength;
234 __u32 maxcount;
235 struct inode *inode;
236 struct nfs_open_context *ctx;
237 struct nfs4_sequence_args seq_args;
cf7d63f1 238 nfs4_stateid stateid;
35124a09 239 struct nfs4_layoutdriver_data layout;
b1f69b75
AA
240};
241
242struct nfs4_layoutget_res {
243 __u32 return_on_close;
244 struct pnfs_layout_range range;
245 __u32 type;
246 nfs4_stateid stateid;
b1f69b75 247 struct nfs4_sequence_res seq_res;
35124a09 248 struct nfs4_layoutdriver_data *layoutp;
b1f69b75
AA
249};
250
251struct nfs4_layoutget {
252 struct nfs4_layoutget_args args;
253 struct nfs4_layoutget_res res;
254 struct pnfs_layout_segment **lsegpp;
a75b9df9 255 gfp_t gfp_flags;
b1f69b75
AA
256};
257
7f11d8d3
AA
258struct nfs4_getdevicelist_args {
259 const struct nfs_fh *fh;
260 u32 layoutclass;
261 struct nfs4_sequence_args seq_args;
262};
263
264struct nfs4_getdevicelist_res {
265 struct pnfs_devicelist *devlist;
266 struct nfs4_sequence_res seq_res;
267};
268
b1f69b75
AA
269struct nfs4_getdeviceinfo_args {
270 struct pnfs_device *pdev;
271 struct nfs4_sequence_args seq_args;
272};
273
274struct nfs4_getdeviceinfo_res {
275 struct pnfs_device *pdev;
276 struct nfs4_sequence_res seq_res;
277};
278
863a3c6c
AA
279struct nfs4_layoutcommit_args {
280 nfs4_stateid stateid;
281 __u64 lastbytewritten;
282 struct inode *inode;
283 const u32 *bitmask;
284 struct nfs4_sequence_args seq_args;
285};
286
287struct nfs4_layoutcommit_res {
288 struct nfs_fattr *fattr;
289 const struct nfs_server *server;
290 struct nfs4_sequence_res seq_res;
db29c089 291 int status;
863a3c6c
AA
292};
293
294struct nfs4_layoutcommit_data {
295 struct rpc_task task;
296 struct nfs_fattr fattr;
a9bae566 297 struct list_head lseg_list;
863a3c6c
AA
298 struct rpc_cred *cred;
299 struct nfs4_layoutcommit_args args;
300 struct nfs4_layoutcommit_res res;
301};
302
cbe82603 303struct nfs4_layoutreturn_args {
a56aaa02 304 struct pnfs_layout_hdr *layout;
cbe82603
BH
305 struct inode *inode;
306 nfs4_stateid stateid;
a56aaa02 307 __u32 layout_type;
cbe82603
BH
308 struct nfs4_sequence_args seq_args;
309};
310
311struct nfs4_layoutreturn_res {
312 struct nfs4_sequence_res seq_res;
313 u32 lrs_present;
314 nfs4_stateid stateid;
315};
316
317struct nfs4_layoutreturn {
318 struct nfs4_layoutreturn_args args;
319 struct nfs4_layoutreturn_res res;
320 struct rpc_cred *cred;
321 struct nfs_client *clp;
322 int rpc_status;
323};
324
95b72eb0
TM
325struct stateowner_id {
326 __u64 create_time;
327 __u32 uniquifier;
328};
329
1da177e4
LT
330/*
331 * Arguments to the open call.
332 */
333struct nfs_openargs {
334 const struct nfs_fh * fh;
cee54fc9 335 struct nfs_seqid * seqid;
1da177e4 336 int open_flags;
dc0b027d 337 fmode_t fmode;
1da177e4 338 __u64 clientid;
95b72eb0 339 struct stateowner_id id;
1da177e4 340 union {
d77d76ff
TM
341 struct {
342 struct iattr * attrs; /* UNCHECKED, GUARDED */
343 nfs4_verifier verifier; /* EXCLUSIVE */
344 };
1da177e4 345 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
bd7bf9d5 346 fmode_t delegation_type; /* CLAIM_PREVIOUS */
1da177e4
LT
347 } u;
348 const struct qstr * name;
349 const struct nfs_server *server; /* Needed for ID mapping */
350 const u32 * bitmask;
1549210f 351 const u32 * open_bitmap;
1da177e4 352 __u32 claim;
9ff71c3a 353 struct nfs4_sequence_args seq_args;
1da177e4
LT
354};
355
356struct nfs_openres {
357 nfs4_stateid stateid;
358 struct nfs_fh fh;
359 struct nfs4_change_info cinfo;
360 __u32 rflags;
361 struct nfs_fattr * f_attr;
c1d51931 362 struct nfs_seqid * seqid;
1da177e4 363 const struct nfs_server *server;
bd7bf9d5 364 fmode_t delegation_type;
1da177e4
LT
365 nfs4_stateid delegation;
366 __u32 do_recall;
367 __u64 maxsize;
aa53ed54 368 __u32 attrset[NFS4_BITMAP_SIZE];
6926afd1
TM
369 struct nfs4_string *owner;
370 struct nfs4_string *group_owner;
9ff71c3a 371 struct nfs4_sequence_res seq_res;
1da177e4
LT
372};
373
374/*
375 * Arguments to the open_confirm call.
376 */
377struct nfs_open_confirmargs {
378 const struct nfs_fh * fh;
cdd4e68b 379 nfs4_stateid * stateid;
cee54fc9 380 struct nfs_seqid * seqid;
1da177e4
LT
381};
382
383struct nfs_open_confirmres {
384 nfs4_stateid stateid;
c1d51931 385 struct nfs_seqid * seqid;
1da177e4
LT
386};
387
388/*
389 * Arguments to the close call.
390 */
391struct nfs_closeargs {
392 struct nfs_fh * fh;
9512135d 393 nfs4_stateid * stateid;
cee54fc9 394 struct nfs_seqid * seqid;
dc0b027d 395 fmode_t fmode;
516a6af6 396 const u32 * bitmask;
9ff71c3a 397 struct nfs4_sequence_args seq_args;
1da177e4
LT
398};
399
400struct nfs_closeres {
401 nfs4_stateid stateid;
516a6af6 402 struct nfs_fattr * fattr;
c1d51931 403 struct nfs_seqid * seqid;
516a6af6 404 const struct nfs_server *server;
9ff71c3a 405 struct nfs4_sequence_res seq_res;
1da177e4
LT
406};
407/*
408 * * Arguments to the lock,lockt, and locku call.
409 * */
410struct nfs_lowner {
911d1aaf 411 __u64 clientid;
9f958ab8 412 __u64 id;
d035c36c 413 dev_t s_dev;
1da177e4
LT
414};
415
911d1aaf
TM
416struct nfs_lock_args {
417 struct nfs_fh * fh;
418 struct file_lock * fl;
cee54fc9 419 struct nfs_seqid * lock_seqid;
06735b34
TM
420 nfs4_stateid * lock_stateid;
421 struct nfs_seqid * open_seqid;
422 nfs4_stateid * open_stateid;
911d1aaf
TM
423 struct nfs_lowner lock_owner;
424 unsigned char block : 1;
425 unsigned char reclaim : 1;
426 unsigned char new_lock_owner : 1;
9ff71c3a 427 struct nfs4_sequence_args seq_args;
911d1aaf
TM
428};
429
430struct nfs_lock_res {
c1d51931
TM
431 nfs4_stateid stateid;
432 struct nfs_seqid * lock_seqid;
433 struct nfs_seqid * open_seqid;
9ff71c3a 434 struct nfs4_sequence_res seq_res;
1da177e4
LT
435};
436
911d1aaf
TM
437struct nfs_locku_args {
438 struct nfs_fh * fh;
439 struct file_lock * fl;
cee54fc9 440 struct nfs_seqid * seqid;
faf5f49c 441 nfs4_stateid * stateid;
9ff71c3a 442 struct nfs4_sequence_args seq_args;
1da177e4
LT
443};
444
911d1aaf 445struct nfs_locku_res {
c1d51931
TM
446 nfs4_stateid stateid;
447 struct nfs_seqid * seqid;
9ff71c3a 448 struct nfs4_sequence_res seq_res;
1da177e4
LT
449};
450
911d1aaf
TM
451struct nfs_lockt_args {
452 struct nfs_fh * fh;
453 struct file_lock * fl;
454 struct nfs_lowner lock_owner;
9ff71c3a 455 struct nfs4_sequence_args seq_args;
1da177e4
LT
456};
457
911d1aaf
TM
458struct nfs_lockt_res {
459 struct file_lock * denied; /* LOCK, LOCKT failed */
9ff71c3a 460 struct nfs4_sequence_res seq_res;
1da177e4
LT
461};
462
d3c7b7cc
TM
463struct nfs_release_lockowner_args {
464 struct nfs_lowner lock_owner;
465};
466
1da177e4
LT
467struct nfs4_delegreturnargs {
468 const struct nfs_fh *fhandle;
469 const nfs4_stateid *stateid;
fa178f29 470 const u32 * bitmask;
9ff71c3a 471 struct nfs4_sequence_args seq_args;
fa178f29
TM
472};
473
474struct nfs4_delegreturnres {
475 struct nfs_fattr * fattr;
476 const struct nfs_server *server;
9ff71c3a 477 struct nfs4_sequence_res seq_res;
1da177e4
LT
478};
479
480/*
481 * Arguments to the read call.
482 */
1da177e4
LT
483struct nfs_readargs {
484 struct nfs_fh * fh;
485 struct nfs_open_context *context;
f11ac8db 486 struct nfs_lock_context *lock_context;
1da177e4
LT
487 __u64 offset;
488 __u32 count;
489 unsigned int pgbase;
490 struct page ** pages;
9ff71c3a 491 struct nfs4_sequence_args seq_args;
1da177e4
LT
492};
493
494struct nfs_readres {
495 struct nfs_fattr * fattr;
496 __u32 count;
497 int eof;
9ff71c3a 498 struct nfs4_sequence_res seq_res;
1da177e4
LT
499};
500
501/*
502 * Arguments to the write call.
503 */
1da177e4
LT
504struct nfs_writeargs {
505 struct nfs_fh * fh;
506 struct nfs_open_context *context;
f11ac8db 507 struct nfs_lock_context *lock_context;
1da177e4
LT
508 __u64 offset;
509 __u32 count;
510 enum nfs3_stable_how stable;
511 unsigned int pgbase;
512 struct page ** pages;
4f9838c7 513 const u32 * bitmask;
9ff71c3a 514 struct nfs4_sequence_args seq_args;
1da177e4
LT
515};
516
2f2c63bc
TM
517struct nfs_write_verifier {
518 char data[8];
519};
520
1da177e4 521struct nfs_writeverf {
2f2c63bc 522 struct nfs_write_verifier verifier;
1da177e4 523 enum nfs3_stable_how committed;
1da177e4
LT
524};
525
526struct nfs_writeres {
527 struct nfs_fattr * fattr;
528 struct nfs_writeverf * verf;
529 __u32 count;
4f9838c7 530 const struct nfs_server *server;
9ff71c3a 531 struct nfs4_sequence_res seq_res;
1da177e4
LT
532};
533
0b7c0153
FI
534/*
535 * Arguments to the commit call.
536 */
537struct nfs_commitargs {
538 struct nfs_fh *fh;
539 __u64 offset;
540 __u32 count;
541 const u32 *bitmask;
542 struct nfs4_sequence_args seq_args;
543};
544
545struct nfs_commitres {
546 struct nfs_fattr *fattr;
547 struct nfs_writeverf *verf;
548 const struct nfs_server *server;
549 struct nfs4_sequence_res seq_res;
550};
551
4fdc17b2
TM
552/*
553 * Common arguments to the unlink call
554 */
555struct nfs_removeargs {
556 const struct nfs_fh *fh;
557 struct qstr name;
9ff71c3a 558 struct nfs4_sequence_args seq_args;
4fdc17b2
TM
559};
560
561struct nfs_removeres {
562 const struct nfs_server *server;
d346890b 563 struct nfs_fattr *dir_attr;
4fdc17b2 564 struct nfs4_change_info cinfo;
9ff71c3a 565 struct nfs4_sequence_res seq_res;
4fdc17b2
TM
566};
567
920769f0
JL
568/*
569 * Common arguments to the rename call
570 */
571struct nfs_renameargs {
572 const struct nfs_fh *old_dir;
573 const struct nfs_fh *new_dir;
574 const struct qstr *old_name;
575 const struct qstr *new_name;
920769f0
JL
576 struct nfs4_sequence_args seq_args;
577};
578
e8582a8b
JL
579struct nfs_renameres {
580 const struct nfs_server *server;
581 struct nfs4_change_info old_cinfo;
582 struct nfs_fattr *old_fattr;
583 struct nfs4_change_info new_cinfo;
584 struct nfs_fattr *new_fattr;
585 struct nfs4_sequence_res seq_res;
586};
587
1da177e4
LT
588/*
589 * Argument struct for decode_entry function
590 */
591struct nfs_entry {
592 __u64 ino;
593 __u64 cookie,
594 prev_cookie;
595 const char * name;
596 unsigned int len;
597 int eof;
598 struct nfs_fh * fh;
599 struct nfs_fattr * fattr;
0b26a0bf 600 unsigned char d_type;
573c4e1e 601 struct nfs_server * server;
1da177e4
LT
602};
603
604/*
605 * The following types are for NFSv2 only.
606 */
607struct nfs_sattrargs {
608 struct nfs_fh * fh;
609 struct iattr * sattr;
610};
611
612struct nfs_diropargs {
613 struct nfs_fh * fh;
614 const char * name;
615 unsigned int len;
616};
617
618struct nfs_createargs {
619 struct nfs_fh * fh;
620 const char * name;
621 unsigned int len;
622 struct iattr * sattr;
623};
624
1da177e4
LT
625struct nfs_setattrargs {
626 struct nfs_fh * fh;
627 nfs4_stateid stateid;
628 struct iattr * iap;
629 const struct nfs_server * server; /* Needed for name mapping */
630 const u32 * bitmask;
9ff71c3a 631 struct nfs4_sequence_args seq_args;
1da177e4
LT
632};
633
23ec6965
BF
634struct nfs_setaclargs {
635 struct nfs_fh * fh;
636 size_t acl_len;
637 unsigned int acl_pgbase;
638 struct page ** acl_pages;
9ff71c3a 639 struct nfs4_sequence_args seq_args;
23ec6965
BF
640};
641
73c403a9
BH
642struct nfs_setaclres {
643 struct nfs4_sequence_res seq_res;
644};
645
029d105e
BF
646struct nfs_getaclargs {
647 struct nfs_fh * fh;
648 size_t acl_len;
649 unsigned int acl_pgbase;
650 struct page ** acl_pages;
9ff71c3a 651 struct nfs4_sequence_args seq_args;
029d105e
BF
652};
653
bf118a34
AA
654/* getxattr ACL interface flags */
655#define NFS4_ACL_LEN_REQUEST 0x0001 /* zero length getxattr buffer */
663c79b3
BH
656struct nfs_getaclres {
657 size_t acl_len;
bf118a34
AA
658 size_t acl_data_offset;
659 int acl_flags;
331818f1 660 struct page * acl_scratch;
663c79b3
BH
661 struct nfs4_sequence_res seq_res;
662};
663
1da177e4
LT
664struct nfs_setattrres {
665 struct nfs_fattr * fattr;
666 const struct nfs_server * server;
9ff71c3a 667 struct nfs4_sequence_res seq_res;
1da177e4
LT
668};
669
670struct nfs_linkargs {
671 struct nfs_fh * fromfh;
672 struct nfs_fh * tofh;
673 const char * toname;
674 unsigned int tolen;
675};
676
677struct nfs_symlinkargs {
678 struct nfs_fh * fromfh;
679 const char * fromname;
680 unsigned int fromlen;
94a6d753
CL
681 struct page ** pages;
682 unsigned int pathlen;
1da177e4
LT
683 struct iattr * sattr;
684};
685
686struct nfs_readdirargs {
687 struct nfs_fh * fh;
688 __u32 cookie;
689 unsigned int count;
690 struct page ** pages;
691};
692
b7fa0554
AG
693struct nfs3_getaclargs {
694 struct nfs_fh * fh;
695 int mask;
696 struct page ** pages;
697};
698
699struct nfs3_setaclargs {
700 struct inode * inode;
701 int mask;
702 struct posix_acl * acl_access;
703 struct posix_acl * acl_default;
ae46141f
TM
704 size_t len;
705 unsigned int npages;
b7fa0554
AG
706 struct page ** pages;
707};
708
1da177e4
LT
709struct nfs_diropok {
710 struct nfs_fh * fh;
711 struct nfs_fattr * fattr;
712};
713
714struct nfs_readlinkargs {
715 struct nfs_fh * fh;
716 unsigned int pgbase;
717 unsigned int pglen;
718 struct page ** pages;
719};
720
721struct nfs3_sattrargs {
722 struct nfs_fh * fh;
723 struct iattr * sattr;
724 unsigned int guard;
725 struct timespec guardtime;
726};
727
728struct nfs3_diropargs {
729 struct nfs_fh * fh;
730 const char * name;
731 unsigned int len;
732};
733
734struct nfs3_accessargs {
735 struct nfs_fh * fh;
736 __u32 access;
737};
738
739struct nfs3_createargs {
740 struct nfs_fh * fh;
741 const char * name;
742 unsigned int len;
743 struct iattr * sattr;
744 enum nfs3_createmode createmode;
bc4785cd 745 __be32 verifier[2];
1da177e4
LT
746};
747
748struct nfs3_mkdirargs {
749 struct nfs_fh * fh;
750 const char * name;
751 unsigned int len;
752 struct iattr * sattr;
753};
754
755struct nfs3_symlinkargs {
756 struct nfs_fh * fromfh;
757 const char * fromname;
758 unsigned int fromlen;
94a6d753
CL
759 struct page ** pages;
760 unsigned int pathlen;
1da177e4
LT
761 struct iattr * sattr;
762};
763
764struct nfs3_mknodargs {
765 struct nfs_fh * fh;
766 const char * name;
767 unsigned int len;
768 enum nfs3_ftype type;
769 struct iattr * sattr;
770 dev_t rdev;
771};
772
1da177e4
LT
773struct nfs3_linkargs {
774 struct nfs_fh * fromfh;
775 struct nfs_fh * tofh;
776 const char * toname;
777 unsigned int tolen;
778};
779
780struct nfs3_readdirargs {
781 struct nfs_fh * fh;
782 __u64 cookie;
bc4785cd 783 __be32 verf[2];
1da177e4
LT
784 int plus;
785 unsigned int count;
786 struct page ** pages;
787};
788
789struct nfs3_diropres {
790 struct nfs_fattr * dir_attr;
791 struct nfs_fh * fh;
792 struct nfs_fattr * fattr;
793};
794
795struct nfs3_accessres {
796 struct nfs_fattr * fattr;
797 __u32 access;
798};
799
800struct nfs3_readlinkargs {
801 struct nfs_fh * fh;
802 unsigned int pgbase;
803 unsigned int pglen;
804 struct page ** pages;
805};
806
1da177e4
LT
807struct nfs3_linkres {
808 struct nfs_fattr * dir_attr;
809 struct nfs_fattr * fattr;
810};
811
812struct nfs3_readdirres {
813 struct nfs_fattr * dir_attr;
bc4785cd 814 __be32 * verf;
1da177e4
LT
815 int plus;
816};
817
b7fa0554
AG
818struct nfs3_getaclres {
819 struct nfs_fattr * fattr;
820 int mask;
821 unsigned int acl_access_count;
822 unsigned int acl_default_count;
823 struct posix_acl * acl_access;
824 struct posix_acl * acl_default;
825};
826
1da177e4
LT
827#ifdef CONFIG_NFS_V4
828
829typedef u64 clientid4;
830
831struct nfs4_accessargs {
832 const struct nfs_fh * fh;
76b32999 833 const u32 * bitmask;
1da177e4 834 u32 access;
9ff71c3a 835 struct nfs4_sequence_args seq_args;
1da177e4
LT
836};
837
838struct nfs4_accessres {
76b32999
TM
839 const struct nfs_server * server;
840 struct nfs_fattr * fattr;
1da177e4
LT
841 u32 supported;
842 u32 access;
9ff71c3a 843 struct nfs4_sequence_res seq_res;
1da177e4
LT
844};
845
846struct nfs4_create_arg {
847 u32 ftype;
848 union {
94a6d753
CL
849 struct {
850 struct page ** pages;
851 unsigned int len;
852 } symlink; /* NF4LNK */
1da177e4
LT
853 struct {
854 u32 specdata1;
855 u32 specdata2;
856 } device; /* NF4BLK, NF4CHR */
857 } u;
858 const struct qstr * name;
859 const struct nfs_server * server;
860 const struct iattr * attrs;
861 const struct nfs_fh * dir_fh;
862 const u32 * bitmask;
9ff71c3a 863 struct nfs4_sequence_args seq_args;
1da177e4
LT
864};
865
866struct nfs4_create_res {
867 const struct nfs_server * server;
868 struct nfs_fh * fh;
869 struct nfs_fattr * fattr;
870 struct nfs4_change_info dir_cinfo;
9ff71c3a 871 struct nfs4_sequence_res seq_res;
1da177e4
LT
872};
873
874struct nfs4_fsinfo_arg {
875 const struct nfs_fh * fh;
876 const u32 * bitmask;
9ff71c3a 877 struct nfs4_sequence_args seq_args;
1da177e4
LT
878};
879
3dda5e43
BH
880struct nfs4_fsinfo_res {
881 struct nfs_fsinfo *fsinfo;
882 struct nfs4_sequence_res seq_res;
883};
884
1da177e4
LT
885struct nfs4_getattr_arg {
886 const struct nfs_fh * fh;
887 const u32 * bitmask;
9ff71c3a 888 struct nfs4_sequence_args seq_args;
1da177e4
LT
889};
890
891struct nfs4_getattr_res {
892 const struct nfs_server * server;
893 struct nfs_fattr * fattr;
9ff71c3a 894 struct nfs4_sequence_res seq_res;
1da177e4
LT
895};
896
897struct nfs4_link_arg {
898 const struct nfs_fh * fh;
899 const struct nfs_fh * dir_fh;
900 const struct qstr * name;
91ba2eee 901 const u32 * bitmask;
9ff71c3a 902 struct nfs4_sequence_args seq_args;
91ba2eee
TM
903};
904
905struct nfs4_link_res {
906 const struct nfs_server * server;
907 struct nfs_fattr * fattr;
908 struct nfs4_change_info cinfo;
909 struct nfs_fattr * dir_attr;
9ff71c3a 910 struct nfs4_sequence_res seq_res;
1da177e4
LT
911};
912
91ba2eee 913
1da177e4
LT
914struct nfs4_lookup_arg {
915 const struct nfs_fh * dir_fh;
916 const struct qstr * name;
917 const u32 * bitmask;
9ff71c3a 918 struct nfs4_sequence_args seq_args;
1da177e4
LT
919};
920
921struct nfs4_lookup_res {
922 const struct nfs_server * server;
923 struct nfs_fattr * fattr;
924 struct nfs_fh * fh;
9ff71c3a 925 struct nfs4_sequence_res seq_res;
1da177e4
LT
926};
927
928struct nfs4_lookup_root_arg {
929 const u32 * bitmask;
9ff71c3a 930 struct nfs4_sequence_args seq_args;
1da177e4
LT
931};
932
933struct nfs4_pathconf_arg {
934 const struct nfs_fh * fh;
935 const u32 * bitmask;
9ff71c3a 936 struct nfs4_sequence_args seq_args;
1da177e4
LT
937};
938
d45b2989
BH
939struct nfs4_pathconf_res {
940 struct nfs_pathconf *pathconf;
941 struct nfs4_sequence_res seq_res;
942};
943
1da177e4
LT
944struct nfs4_readdir_arg {
945 const struct nfs_fh * fh;
946 u64 cookie;
947 nfs4_verifier verifier;
948 u32 count;
949 struct page ** pages; /* zero-copy data */
950 unsigned int pgbase; /* zero-copy data */
951 const u32 * bitmask;
82f2e547 952 int plus;
9ff71c3a 953 struct nfs4_sequence_args seq_args;
1da177e4
LT
954};
955
956struct nfs4_readdir_res {
957 nfs4_verifier verifier;
958 unsigned int pgbase;
9ff71c3a 959 struct nfs4_sequence_res seq_res;
1da177e4
LT
960};
961
962struct nfs4_readlink {
963 const struct nfs_fh * fh;
964 unsigned int pgbase;
965 unsigned int pglen; /* zero-copy data */
966 struct page ** pages; /* zero-copy data */
9ff71c3a 967 struct nfs4_sequence_args seq_args;
1da177e4
LT
968};
969
f50c7000
BH
970struct nfs4_readlink_res {
971 struct nfs4_sequence_res seq_res;
972};
973
19d771f3 974#define NFS4_SETCLIENTID_NAMELEN (127)
1da177e4 975struct nfs4_setclientid {
cc38bac3 976 const nfs4_verifier * sc_verifier;
1da177e4 977 unsigned int sc_name_len;
d1ce02e1 978 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
cc38bac3 979 u32 sc_prog;
1da177e4 980 unsigned int sc_netid_len;
d1ce02e1 981 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
1da177e4 982 unsigned int sc_uaddr_len;
d1ce02e1 983 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
cc38bac3 984 u32 sc_cb_ident;
1da177e4
LT
985};
986
bb8b27e5
TM
987struct nfs4_setclientid_res {
988 u64 clientid;
989 nfs4_verifier confirm;
990};
991
1da177e4
LT
992struct nfs4_statfs_arg {
993 const struct nfs_fh * fh;
994 const u32 * bitmask;
9ff71c3a 995 struct nfs4_sequence_args seq_args;
1da177e4
LT
996};
997
24ad148a
BH
998struct nfs4_statfs_res {
999 struct nfs_fsstat *fsstat;
1000 struct nfs4_sequence_res seq_res;
1001};
1002
43652ad5
BH
1003struct nfs4_server_caps_arg {
1004 struct nfs_fh *fhandle;
1005 struct nfs4_sequence_args seq_args;
1006};
1007
1da177e4 1008struct nfs4_server_caps_res {
dae100c2 1009 u32 attr_bitmask[3];
1da177e4
LT
1010 u32 acl_bitmask;
1011 u32 has_links;
1012 u32 has_symlinks;
264e6351 1013 u32 fh_expire_type;
9ff71c3a 1014 struct nfs4_sequence_res seq_res;
1da177e4
LT
1015};
1016
7aaa0b3b
MN
1017#define NFS4_PATHNAME_MAXCOMPONENTS 512
1018struct nfs4_pathname {
1019 unsigned int ncomponents;
1020 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1021};
1022
1023#define NFS4_FS_LOCATION_MAXSERVERS 10
1024struct nfs4_fs_location {
1025 unsigned int nservers;
1026 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1027 struct nfs4_pathname rootpath;
1028};
1029
1030#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1031struct nfs4_fs_locations {
683b57b4
TM
1032 struct nfs_fattr fattr;
1033 const struct nfs_server *server;
7aaa0b3b 1034 struct nfs4_pathname fs_path;
683b57b4 1035 int nlocations;
7aaa0b3b 1036 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
683b57b4
TM
1037};
1038
1039struct nfs4_fs_locations_arg {
1040 const struct nfs_fh *dir_fh;
1041 const struct qstr *name;
1042 struct page *page;
1043 const u32 *bitmask;
9ff71c3a 1044 struct nfs4_sequence_args seq_args;
683b57b4
TM
1045};
1046
22958463
BH
1047struct nfs4_fs_locations_res {
1048 struct nfs4_fs_locations *fs_locations;
1049 struct nfs4_sequence_res seq_res;
1050};
1051
5a5ea0d4
BS
1052struct nfs4_secinfo_oid {
1053 unsigned int len;
1054 char data[GSS_OID_MAX_LEN];
1055};
1056
1057struct nfs4_secinfo_gss {
1058 struct nfs4_secinfo_oid sec_oid4;
1059 unsigned int qop4;
1060 unsigned int service;
1061};
1062
1063struct nfs4_secinfo_flavor {
1064 unsigned int flavor;
1065 struct nfs4_secinfo_gss gss;
1066};
1067
1068struct nfs4_secinfo_flavors {
1069 unsigned int num_flavors;
1070 struct nfs4_secinfo_flavor flavors[0];
1071};
1072
1073struct nfs4_secinfo_arg {
1074 const struct nfs_fh *dir_fh;
1075 const struct qstr *name;
1076 struct nfs4_sequence_args seq_args;
1077};
1078
1079struct nfs4_secinfo_res {
1080 struct nfs4_secinfo_flavors *flavors;
1081 struct nfs4_sequence_res seq_res;
1082};
1083
1da177e4
LT
1084#endif /* CONFIG_NFS_V4 */
1085
99fe60d0
BH
1086struct nfstime4 {
1087 u64 seconds;
1088 u32 nseconds;
1089};
1090
1091#ifdef CONFIG_NFS_V4_1
ea2cf228
FI
1092
1093struct pnfs_commit_bucket {
1094 struct list_head written;
1095 struct list_head committing;
1096 struct pnfs_layout_segment *wlseg;
1097 struct pnfs_layout_segment *clseg;
1098};
1099
1100struct pnfs_ds_commit_info {
1101 int nwritten;
1102 int ncommitting;
1103 int nbuckets;
1104 struct pnfs_commit_bucket *buckets;
1105};
1106
99fe60d0
BH
1107#define NFS4_EXCHANGE_ID_LEN (48)
1108struct nfs41_exchange_id_args {
1109 struct nfs_client *client;
1110 nfs4_verifier *verifier;
1111 unsigned int id_len;
1112 char id[NFS4_EXCHANGE_ID_LEN];
1113 u32 flags;
1114};
1115
acdeb69d 1116struct nfs41_server_owner {
99fe60d0
BH
1117 uint64_t minor_id;
1118 uint32_t major_id_sz;
1119 char major_id[NFS4_OPAQUE_LIMIT];
1120};
1121
79d4e1f0 1122struct nfs41_server_scope {
99fe60d0
BH
1123 uint32_t server_scope_sz;
1124 char server_scope[NFS4_OPAQUE_LIMIT];
1125};
1126
7d2ed9ac
WAA
1127struct nfs41_impl_id {
1128 char domain[NFS4_OPAQUE_LIMIT + 1];
1129 char name[NFS4_OPAQUE_LIMIT + 1];
1130 struct nfstime4 date;
1131};
1132
7c44f1ae
WAA
1133struct nfs41_bind_conn_to_session_res {
1134 struct nfs4_session *session;
1135 u32 dir;
1136 bool use_conn_in_rdma_mode;
1137};
1138
99fe60d0 1139struct nfs41_exchange_id_res {
32b01310
TM
1140 u64 clientid;
1141 u32 seqid;
99fe60d0 1142 u32 flags;
acdeb69d 1143 struct nfs41_server_owner *server_owner;
79d4e1f0 1144 struct nfs41_server_scope *server_scope;
7d2ed9ac 1145 struct nfs41_impl_id *impl_id;
99fe60d0 1146};
fc931582
AA
1147
1148struct nfs41_create_session_args {
1149 struct nfs_client *client;
1150 uint32_t flags;
1151 uint32_t cb_program;
1152 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1153 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1154};
1155
1156struct nfs41_create_session_res {
1157 struct nfs_client *client;
1158};
18019753
RL
1159
1160struct nfs41_reclaim_complete_args {
1161 /* In the future extend to include curr_fh for use with migration */
1162 unsigned char one_fs:1;
1163 struct nfs4_sequence_args seq_args;
1164};
1165
1166struct nfs41_reclaim_complete_res {
1167 struct nfs4_sequence_res seq_res;
1168};
fca78d6d
BS
1169
1170#define SECINFO_STYLE_CURRENT_FH 0
1171#define SECINFO_STYLE_PARENT 1
1172struct nfs41_secinfo_no_name_args {
1173 int style;
1174 struct nfs4_sequence_args seq_args;
1175};
1176
7d974794
BS
1177struct nfs41_test_stateid_args {
1178 nfs4_stateid *stateid;
1179 struct nfs4_sequence_args seq_args;
1180};
1181
1182struct nfs41_test_stateid_res {
1183 unsigned int status;
1184 struct nfs4_sequence_res seq_res;
1185};
1186
9aeda35f
BS
1187struct nfs41_free_stateid_args {
1188 nfs4_stateid *stateid;
1189 struct nfs4_sequence_args seq_args;
1190};
1191
1192struct nfs41_free_stateid_res {
1193 unsigned int status;
1194 struct nfs4_sequence_res seq_res;
1195};
1196
4f97615d
TM
1197#else
1198
1199struct pnfs_ds_commit_info {
1200};
1201
99fe60d0
BH
1202#endif /* CONFIG_NFS_V4_1 */
1203
1da177e4
LT
1204struct nfs_page;
1205
40859d7e
CL
1206#define NFS_PAGEVEC_SIZE (8U)
1207
30dd374f
FI
1208struct nfs_page_array {
1209 struct page **pagevec;
1210 unsigned int npages; /* Max length of pagevec */
1211 struct page *page_array[NFS_PAGEVEC_SIZE];
1212};
1213
1da177e4 1214struct nfs_read_data {
cd841605
FI
1215 struct nfs_pgio_header *header;
1216 struct list_head list;
1da177e4 1217 struct rpc_task task;
1da177e4 1218 struct nfs_fattr fattr; /* fattr storage */
1da177e4
LT
1219 struct nfs_readargs args;
1220 struct nfs_readres res;
1da177e4 1221 unsigned long timestamp; /* For lease renewal */
cbdabc7f 1222 int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
dc70d7b3 1223 __u64 mds_offset;
30dd374f 1224 struct nfs_page_array pages;
cd841605
FI
1225 struct nfs_client *ds_clp; /* pNFS data server */
1226};
1227
4db6e0b7
FI
1228/* used as flag bits in nfs_pgio_header */
1229enum {
1230 NFS_IOHDR_ERROR = 0,
1231 NFS_IOHDR_EOF,
1232 NFS_IOHDR_REDO,
6c75dc0d
FI
1233 NFS_IOHDR_NEED_COMMIT,
1234 NFS_IOHDR_NEED_RESCHED,
4db6e0b7
FI
1235};
1236
cd841605
FI
1237struct nfs_pgio_header {
1238 struct inode *inode;
1239 struct rpc_cred *cred;
1240 struct list_head pages;
4db6e0b7
FI
1241 struct list_head rpc_list;
1242 atomic_t refcnt;
cd841605 1243 struct nfs_page *req;
9bce008b 1244 struct nfs_writeverf *verf;
cd841605 1245 struct pnfs_layout_segment *lseg;
4db6e0b7 1246 loff_t io_start;
cd841605 1247 const struct rpc_call_ops *mds_ops;
4db6e0b7 1248 void (*release) (struct nfs_pgio_header *hdr);
061ae2ed 1249 const struct nfs_pgio_completion_ops *completion_ops;
584aa810 1250 struct nfs_direct_req *dreq;
4db6e0b7
FI
1251 spinlock_t lock;
1252 /* fields protected by lock */
cd841605 1253 int pnfs_error;
4db6e0b7
FI
1254 int error; /* merge with pnfs_error */
1255 unsigned long good_bytes; /* boundary of good data */
1256 unsigned long flags;
cd841605
FI
1257};
1258
1259struct nfs_read_header {
1260 struct nfs_pgio_header header;
1261 struct nfs_read_data rpc_data;
1da177e4
LT
1262};
1263
1264struct nfs_write_data {
cd841605
FI
1265 struct nfs_pgio_header *header;
1266 struct list_head list;
1da177e4 1267 struct rpc_task task;
1da177e4
LT
1268 struct nfs_fattr fattr;
1269 struct nfs_writeverf verf;
1da177e4
LT
1270 struct nfs_writeargs args; /* argument struct */
1271 struct nfs_writeres res; /* result struct */
1da177e4 1272 unsigned long timestamp; /* For lease renewal */
cd841605 1273 int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
a69aef14 1274 __u64 mds_offset; /* Filelayout dense stripe */
30dd374f 1275 struct nfs_page_array pages;
cd841605
FI
1276 struct nfs_client *ds_clp; /* pNFS data server */
1277};
1278
1279struct nfs_write_header {
1280 struct nfs_pgio_header header;
1281 struct nfs_write_data rpc_data;
9bce008b 1282 struct nfs_writeverf verf;
1da177e4
LT
1283};
1284
ea2cf228
FI
1285struct nfs_mds_commit_info {
1286 atomic_t rpcs_out;
1287 unsigned long ncommit;
1288 struct list_head list;
1289};
1290
f453a54a
FI
1291struct nfs_commit_data;
1292struct nfs_inode;
1293struct nfs_commit_completion_ops {
1294 void (*error_cleanup) (struct nfs_inode *nfsi);
1295 void (*completion) (struct nfs_commit_data *data);
1296};
1297
ea2cf228
FI
1298struct nfs_commit_info {
1299 spinlock_t *lock;
1300 struct nfs_mds_commit_info *mds;
1301 struct pnfs_ds_commit_info *ds;
b359f9d0 1302 struct nfs_direct_req *dreq; /* O_DIRECT request */
f453a54a 1303 const struct nfs_commit_completion_ops *completion_ops;
ea2cf228
FI
1304};
1305
0b7c0153
FI
1306struct nfs_commit_data {
1307 struct rpc_task task;
1308 struct inode *inode;
1309 struct rpc_cred *cred;
1310 struct nfs_fattr fattr;
1311 struct nfs_writeverf verf;
1312 struct list_head pages; /* Coalesced requests we wish to flush */
1313 struct list_head list; /* lists of struct nfs_write_data */
1314 struct nfs_direct_req *dreq; /* O_DIRECT request */
1315 struct nfs_commitargs args; /* argument struct */
1316 struct nfs_commitres res; /* result struct */
1317 struct nfs_open_context *context;
1318 struct pnfs_layout_segment *lseg;
1319 struct nfs_client *ds_clp; /* pNFS data server */
1320 int ds_commit_index;
1321 const struct rpc_call_ops *mds_ops;
f453a54a 1322 const struct nfs_commit_completion_ops *completion_ops;
0b7c0153
FI
1323 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1324};
1325
061ae2ed
FI
1326struct nfs_pgio_completion_ops {
1327 void (*error_cleanup)(struct list_head *head);
584aa810 1328 void (*init_hdr)(struct nfs_pgio_header *hdr);
061ae2ed
FI
1329 void (*completion)(struct nfs_pgio_header *hdr);
1330};
1331
34e137cc
BS
1332struct nfs_unlinkdata {
1333 struct hlist_node list;
1334 struct nfs_removeargs args;
1335 struct nfs_removeres res;
1336 struct inode *dir;
1337 struct rpc_cred *cred;
1338 struct nfs_fattr dir_attr;
1339};
1340
c6bfa1a1
BS
1341struct nfs_renamedata {
1342 struct nfs_renameargs args;
1343 struct nfs_renameres res;
1344 struct rpc_cred *cred;
1345 struct inode *old_dir;
1346 struct dentry *old_dentry;
1347 struct nfs_fattr old_fattr;
1348 struct inode *new_dir;
1349 struct dentry *new_dentry;
1350 struct nfs_fattr new_fattr;
1351};
1352
1da177e4 1353struct nfs_access_entry;
45a52a02 1354struct nfs_client;
e0dca7a0 1355struct rpc_timeout;
ff9099f2
BS
1356struct nfs_subversion;
1357struct nfs_mount_info;
6663ee7f 1358struct nfs_client_initdata;
1abb5088 1359struct nfs_pageio_descriptor;
1da177e4
LT
1360
1361/*
1362 * RPC procedure vector for NFSv2/NFSv3 demuxing
1363 */
1364struct nfs_rpc_ops {
c0e07cb6 1365 u32 version; /* Protocol version */
f786aa90 1366 const struct dentry_operations *dentry_ops;
c5ef1c42
AV
1367 const struct inode_operations *dir_inode_ops;
1368 const struct inode_operations *file_inode_ops;
1788ea6e 1369 const struct file_operations *file_ops;
1da177e4
LT
1370
1371 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1372 struct nfs_fsinfo *);
281cad46
BS
1373 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1374 struct nfs_fh *, struct nfs_fattr *);
ff9099f2
BS
1375 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1376 struct nfs_subversion *);
1da177e4
LT
1377 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1378 struct nfs_fattr *);
1379 int (*setattr) (struct dentry *, struct nfs_fattr *,
1380 struct iattr *);
80a16b21 1381 int (*lookup) (struct inode *, struct qstr *,
1da177e4
LT
1382 struct nfs_fh *, struct nfs_fattr *);
1383 int (*access) (struct inode *, struct nfs_access_entry *);
1384 int (*readlink)(struct inode *, struct page *, unsigned int,
1385 unsigned int);
1da177e4 1386 int (*create) (struct inode *, struct dentry *,
8867fe58 1387 struct iattr *, int);
1da177e4 1388 int (*remove) (struct inode *, struct qstr *);
e4eff1a6 1389 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
34e137cc 1390 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
e4eff1a6 1391 int (*unlink_done) (struct rpc_task *, struct inode *);
1da177e4
LT
1392 int (*rename) (struct inode *, struct qstr *,
1393 struct inode *, struct qstr *);
d3d4152a 1394 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
c6bfa1a1 1395 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
d3d4152a 1396 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1da177e4 1397 int (*link) (struct inode *, struct inode *, struct qstr *);
94a6d753
CL
1398 int (*symlink) (struct inode *, struct dentry *, struct page *,
1399 unsigned int, struct iattr *);
1da177e4
LT
1400 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1401 int (*rmdir) (struct inode *, struct qstr *);
1402 int (*readdir) (struct dentry *, struct rpc_cred *,
56e4ebf8 1403 u64, struct page **, unsigned int, int);
1da177e4
LT
1404 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1405 dev_t);
1406 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1407 struct nfs_fsstat *);
1408 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1409 struct nfs_fsinfo *);
1410 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1411 struct nfs_pathconf *);
e9326dca 1412 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
573c4e1e 1413 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
bdc7f021 1414 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
1abb5088
BS
1415 void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *,
1416 const struct nfs_pgio_completion_ops *);
ea7c3303 1417 void (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *);
ec06c096 1418 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
bdc7f021 1419 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
57208fa7
BS
1420 void (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int,
1421 const struct nfs_pgio_completion_ops *);
c6cb80d0 1422 void (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *);
788e7a89 1423 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
0b7c0153
FI
1424 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1425 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1426 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1da177e4 1427 int (*lock)(struct file *, int, struct file_lock *);
2116271a 1428 int (*lock_check_bounds)(const struct file_lock *);
ada70d94 1429 void (*clear_acl_cache)(struct inode *);
7fe5c398 1430 void (*close_context)(struct nfs_open_context *ctx, int);
2b484297
TM
1431 struct inode * (*open_context) (struct inode *dir,
1432 struct nfs_open_context *ctx,
1433 int open_flags,
1434 struct iattr *iattr);
011e2a7f 1435 int (*have_delegation)(struct inode *, fmode_t);
57ec14c5 1436 int (*return_delegation)(struct inode *);
6663ee7f 1437 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
8cab4c39
CL
1438 struct nfs_client *
1439 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
4bf590e0 1440 const char *, rpc_authflavor_t);
cdb7eced 1441 void (*free_client) (struct nfs_client *);
1da177e4
LT
1442};
1443
1444/*
1445 * NFS_CALL(getattr, inode, (fattr));
1446 * into
1447 * NFS_PROTO(inode)->getattr(fattr);
1448 */
1449#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1450
1451/*
1452 * Function vectors etc. for the NFS client
1453 */
509de811
DH
1454extern const struct nfs_rpc_ops nfs_v2_clientops;
1455extern const struct nfs_rpc_ops nfs_v3_clientops;
1456extern const struct nfs_rpc_ops nfs_v4_clientops;
a613fa16
TM
1457extern const struct rpc_version nfs_version2;
1458extern const struct rpc_version nfs_version3;
1459extern const struct rpc_version nfs_version4;
1da177e4 1460
a613fa16
TM
1461extern const struct rpc_version nfsacl_version3;
1462extern const struct rpc_program nfsacl_program;
b7fa0554 1463
1da177e4 1464#endif