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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
6926afd1
TM
17struct nfs4_string {
18 unsigned int len;
19 char *data;
20};
21
8b4bdcf8
TM
22struct nfs_fsid {
23 uint64_t major;
24 uint64_t minor;
1da177e4
LT
25};
26
8b4bdcf8
TM
27/*
28 * Helper for checking equality between 2 fsids.
29 */
30static 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
88034c3d
AA
35struct 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
1da177e4 44struct nfs_fattr {
9e6e70f8 45 unsigned int valid; /* which fields are valid */
bca79478 46 umode_t mode;
1da177e4 47 __u32 nlink;
54f834cd
EB
48 kuid_t uid;
49 kgid_t gid;
9fa8d66f 50 dev_t rdev;
1da177e4
LT
51 __u64 size;
52 union {
53 struct {
54 __u32 blocksize;
55 __u32 blocks;
56 } nfs2;
57 struct {
58 __u64 used;
59 } nfs3;
60 } du;
8b4bdcf8 61 struct nfs_fsid fsid;
1da177e4 62 __u64 fileid;
28331a46 63 __u64 mounted_on_fileid;
1da177e4
LT
64 struct timespec atime;
65 struct timespec mtime;
66 struct timespec ctime;
1da177e4
LT
67 __u64 change_attr; /* NFSv4 change attribute */
68 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
1ca277d8
TM
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 */
33801147 72 unsigned long time_start;
4704f0e2 73 unsigned long gencount;
6926afd1
TM
74 struct nfs4_string *owner_name;
75 struct nfs4_string *group_name;
88034c3d 76 struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */
1da177e4
LT
77};
78
9e6e70f8
TM
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)
81934ddb
CL
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)
e64a4210 104#define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25)
9e6e70f8
TM
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 \
3a1556e8
TM
117 | NFS_ATTR_FATTR_CTIME \
118 | NFS_ATTR_FATTR_CHANGE)
9e6e70f8
TM
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 \
e64a4210
DQ
124 | NFS_ATTR_FATTR_SPACE_USED \
125 | NFS_ATTR_FATTR_V4_SECURITY_LABEL)
1da177e4
LT
126
127/*
128 * Info on the file system
129 */
130struct 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;
6b96724e 140 struct timespec time_delta; /* server time granularity */
1da177e4 141 __u32 lease_time; /* in seconds */
504913fb 142 __u32 layouttype; /* supported pnfs layout driver */
dae100c2 143 __u32 blksize; /* preferred pnfs io block size */
1da177e4
LT
144};
145
146struct nfs_fsstat {
147 struct nfs_fattr *fattr; /* Post-op attributes */
148 __u64 tbytes; /* total size in bytes */
149 __u64 fbytes; /* # of free bytes */
150 __u64 abytes; /* # of bytes available to user */
151 __u64 tfiles; /* # of files */
152 __u64 ffiles; /* # of free files */
153 __u64 afiles; /* # of files available to user */
154};
155
156struct nfs2_fsstat {
157 __u32 tsize; /* Server transfer size */
158 __u32 bsize; /* Filesystem block size */
159 __u32 blocks; /* No. of "bsize" blocks on filesystem */
160 __u32 bfree; /* No. of free "bsize" blocks */
161 __u32 bavail; /* No. of available "bsize" blocks */
162};
163
164struct nfs_pathconf {
165 struct nfs_fattr *fattr; /* Post-op attributes */
166 __u32 max_link; /* max # of hard links */
167 __u32 max_namelen; /* max name length */
168};
169
170struct nfs4_change_info {
171 u32 atomic;
172 u64 before;
173 u64 after;
174};
175
cee54fc9 176struct nfs_seqid;
9ff71c3a 177
557134a3
AA
178/* nfs41 sessions channel attributes */
179struct nfs4_channel_attrs {
557134a3
AA
180 u32 max_rqst_sz;
181 u32 max_resp_sz;
182 u32 max_resp_sz_cached;
183 u32 max_ops;
184 u32 max_reqs;
185};
186
76e697ba 187struct nfs4_slot;
9ff71c3a 188struct nfs4_sequence_args {
2b2fa717 189 struct nfs4_slot *sa_slot;
8fe72bac
TM
190 u8 sa_cache_this : 1,
191 sa_privileged : 1;
9ff71c3a
BH
192};
193
194struct nfs4_sequence_res {
dfb4f309 195 struct nfs4_slot *sr_slot; /* slot used to send request */
8e63b6a8 196 unsigned long sr_timestamp;
fbcd4abc 197 int sr_status; /* sequence operation status */
0629e370 198 u32 sr_status_flags;
da0507b7 199 u32 sr_highest_slotid;
464ee9f9 200 u32 sr_target_highest_slotid;
9ff71c3a
BH
201};
202
2050f0cc
AA
203struct nfs4_get_lease_time_args {
204 struct nfs4_sequence_args la_seq_args;
205};
206
207struct nfs4_get_lease_time_res {
2050f0cc 208 struct nfs4_sequence_res lr_seq_res;
62ae082d 209 struct nfs_fsinfo *lr_fsinfo;
2050f0cc
AA
210};
211
b1f69b75
AA
212#define PNFS_LAYOUT_MAXSIZE 4096
213
214struct nfs4_layoutdriver_data {
35124a09
WAA
215 struct page **pages;
216 __u32 pglen;
b1f69b75 217 __u32 len;
b1f69b75
AA
218};
219
220struct pnfs_layout_range {
221 u32 iomode;
222 u64 offset;
223 u64 length;
224};
225
226struct nfs4_layoutget_args {
62ae082d 227 struct nfs4_sequence_args seq_args;
b1f69b75
AA
228 __u32 type;
229 struct pnfs_layout_range range;
230 __u64 minlength;
231 __u32 maxcount;
232 struct inode *inode;
233 struct nfs_open_context *ctx;
cf7d63f1 234 nfs4_stateid stateid;
30005121 235 unsigned long timestamp;
35124a09 236 struct nfs4_layoutdriver_data layout;
b1f69b75
AA
237};
238
239struct nfs4_layoutget_res {
62ae082d 240 struct nfs4_sequence_res seq_res;
b1f69b75
AA
241 __u32 return_on_close;
242 struct pnfs_layout_range range;
243 __u32 type;
244 nfs4_stateid stateid;
35124a09 245 struct nfs4_layoutdriver_data *layoutp;
b1f69b75
AA
246};
247
248struct nfs4_layoutget {
249 struct nfs4_layoutget_args args;
250 struct nfs4_layoutget_res res;
6ab59344 251 struct rpc_cred *cred;
a75b9df9 252 gfp_t gfp_flags;
b1f69b75
AA
253};
254
255struct nfs4_getdeviceinfo_args {
b1f69b75 256 struct nfs4_sequence_args seq_args;
62ae082d 257 struct pnfs_device *pdev;
b1f69b75
AA
258};
259
260struct nfs4_getdeviceinfo_res {
b1f69b75 261 struct nfs4_sequence_res seq_res;
62ae082d 262 struct pnfs_device *pdev;
b1f69b75
AA
263};
264
863a3c6c 265struct nfs4_layoutcommit_args {
62ae082d 266 struct nfs4_sequence_args seq_args;
863a3c6c
AA
267 nfs4_stateid stateid;
268 __u64 lastbytewritten;
269 struct inode *inode;
270 const u32 *bitmask;
5f919c9f
CH
271 size_t layoutupdate_len;
272 struct page *layoutupdate_page;
273 struct page **layoutupdate_pages;
863a3c6c
AA
274};
275
276struct nfs4_layoutcommit_res {
62ae082d 277 struct nfs4_sequence_res seq_res;
863a3c6c
AA
278 struct nfs_fattr *fattr;
279 const struct nfs_server *server;
db29c089 280 int status;
863a3c6c
AA
281};
282
283struct nfs4_layoutcommit_data {
284 struct rpc_task task;
285 struct nfs_fattr fattr;
a9bae566 286 struct list_head lseg_list;
863a3c6c
AA
287 struct rpc_cred *cred;
288 struct nfs4_layoutcommit_args args;
289 struct nfs4_layoutcommit_res res;
290};
291
cbe82603 292struct nfs4_layoutreturn_args {
62ae082d 293 struct nfs4_sequence_args seq_args;
a56aaa02 294 struct pnfs_layout_hdr *layout;
cbe82603
BH
295 struct inode *inode;
296 nfs4_stateid stateid;
a56aaa02 297 __u32 layout_type;
cbe82603
BH
298};
299
300struct nfs4_layoutreturn_res {
301 struct nfs4_sequence_res seq_res;
302 u32 lrs_present;
303 nfs4_stateid stateid;
304};
305
306struct nfs4_layoutreturn {
307 struct nfs4_layoutreturn_args args;
308 struct nfs4_layoutreturn_res res;
309 struct rpc_cred *cred;
310 struct nfs_client *clp;
311 int rpc_status;
312};
313
95b72eb0
TM
314struct stateowner_id {
315 __u64 create_time;
316 __u32 uniquifier;
317};
318
1da177e4
LT
319/*
320 * Arguments to the open call.
321 */
322struct nfs_openargs {
62ae082d 323 struct nfs4_sequence_args seq_args;
1da177e4 324 const struct nfs_fh * fh;
cee54fc9 325 struct nfs_seqid * seqid;
1da177e4 326 int open_flags;
dc0b027d 327 fmode_t fmode;
6168f62c 328 u32 access;
1da177e4 329 __u64 clientid;
95b72eb0 330 struct stateowner_id id;
1da177e4 331 union {
d77d76ff
TM
332 struct {
333 struct iattr * attrs; /* UNCHECKED, GUARDED */
334 nfs4_verifier verifier; /* EXCLUSIVE */
335 };
1da177e4 336 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
bd7bf9d5 337 fmode_t delegation_type; /* CLAIM_PREVIOUS */
1da177e4
LT
338 } u;
339 const struct qstr * name;
340 const struct nfs_server *server; /* Needed for ID mapping */
341 const u32 * bitmask;
1549210f 342 const u32 * open_bitmap;
1da177e4 343 __u32 claim;
549b19cc 344 enum createmode4 createmode;
e058f70b 345 const struct nfs4_label *label;
1da177e4
LT
346};
347
348struct nfs_openres {
62ae082d 349 struct nfs4_sequence_res seq_res;
1da177e4
LT
350 nfs4_stateid stateid;
351 struct nfs_fh fh;
352 struct nfs4_change_info cinfo;
353 __u32 rflags;
354 struct nfs_fattr * f_attr;
e058f70b 355 struct nfs4_label *f_label;
c1d51931 356 struct nfs_seqid * seqid;
1da177e4 357 const struct nfs_server *server;
bd7bf9d5 358 fmode_t delegation_type;
1da177e4
LT
359 nfs4_stateid delegation;
360 __u32 do_recall;
361 __u64 maxsize;
aa53ed54 362 __u32 attrset[NFS4_BITMAP_SIZE];
6926afd1
TM
363 struct nfs4_string *owner;
364 struct nfs4_string *group_owner;
ae2bb032 365 __u32 access_request;
6168f62c
WAA
366 __u32 access_supported;
367 __u32 access_result;
1da177e4
LT
368};
369
370/*
371 * Arguments to the open_confirm call.
372 */
373struct nfs_open_confirmargs {
17ead6c8 374 struct nfs4_sequence_args seq_args;
1da177e4 375 const struct nfs_fh * fh;
cdd4e68b 376 nfs4_stateid * stateid;
cee54fc9 377 struct nfs_seqid * seqid;
1da177e4
LT
378};
379
380struct nfs_open_confirmres {
17ead6c8 381 struct nfs4_sequence_res seq_res;
1da177e4 382 nfs4_stateid stateid;
c1d51931 383 struct nfs_seqid * seqid;
1da177e4
LT
384};
385
386/*
387 * Arguments to the close call.
388 */
389struct nfs_closeargs {
62ae082d 390 struct nfs4_sequence_args seq_args;
1da177e4 391 struct nfs_fh * fh;
9512135d 392 nfs4_stateid * stateid;
cee54fc9 393 struct nfs_seqid * seqid;
dc0b027d 394 fmode_t fmode;
516a6af6 395 const u32 * bitmask;
1da177e4
LT
396};
397
398struct nfs_closeres {
62ae082d 399 struct nfs4_sequence_res seq_res;
1da177e4 400 nfs4_stateid stateid;
516a6af6 401 struct nfs_fattr * fattr;
c1d51931 402 struct nfs_seqid * seqid;
516a6af6 403 const struct nfs_server *server;
1da177e4
LT
404};
405/*
406 * * Arguments to the lock,lockt, and locku call.
407 * */
408struct nfs_lowner {
911d1aaf 409 __u64 clientid;
9f958ab8 410 __u64 id;
d035c36c 411 dev_t s_dev;
1da177e4
LT
412};
413
911d1aaf 414struct nfs_lock_args {
62ae082d 415 struct nfs4_sequence_args seq_args;
911d1aaf
TM
416 struct nfs_fh * fh;
417 struct file_lock * fl;
cee54fc9 418 struct nfs_seqid * lock_seqid;
06735b34
TM
419 nfs4_stateid * lock_stateid;
420 struct nfs_seqid * open_seqid;
421 nfs4_stateid * open_stateid;
911d1aaf
TM
422 struct nfs_lowner lock_owner;
423 unsigned char block : 1;
424 unsigned char reclaim : 1;
425 unsigned char new_lock_owner : 1;
426};
427
428struct nfs_lock_res {
62ae082d 429 struct nfs4_sequence_res seq_res;
c1d51931
TM
430 nfs4_stateid stateid;
431 struct nfs_seqid * lock_seqid;
432 struct nfs_seqid * open_seqid;
1da177e4
LT
433};
434
911d1aaf 435struct nfs_locku_args {
62ae082d 436 struct nfs4_sequence_args seq_args;
911d1aaf
TM
437 struct nfs_fh * fh;
438 struct file_lock * fl;
cee54fc9 439 struct nfs_seqid * seqid;
faf5f49c 440 nfs4_stateid * stateid;
1da177e4
LT
441};
442
911d1aaf 443struct nfs_locku_res {
62ae082d 444 struct nfs4_sequence_res seq_res;
c1d51931
TM
445 nfs4_stateid stateid;
446 struct nfs_seqid * seqid;
1da177e4
LT
447};
448
911d1aaf 449struct nfs_lockt_args {
62ae082d 450 struct nfs4_sequence_args seq_args;
911d1aaf
TM
451 struct nfs_fh * fh;
452 struct file_lock * fl;
453 struct nfs_lowner lock_owner;
1da177e4
LT
454};
455
911d1aaf 456struct nfs_lockt_res {
9ff71c3a 457 struct nfs4_sequence_res seq_res;
62ae082d 458 struct file_lock * denied; /* LOCK, LOCKT failed */
1da177e4
LT
459};
460
d3c7b7cc 461struct nfs_release_lockowner_args {
b7e63a10 462 struct nfs4_sequence_args seq_args;
d3c7b7cc
TM
463 struct nfs_lowner lock_owner;
464};
465
b7e63a10
TM
466struct nfs_release_lockowner_res {
467 struct nfs4_sequence_res seq_res;
468};
469
1da177e4 470struct nfs4_delegreturnargs {
62ae082d 471 struct nfs4_sequence_args seq_args;
1da177e4
LT
472 const struct nfs_fh *fhandle;
473 const nfs4_stateid *stateid;
fa178f29
TM
474 const u32 * bitmask;
475};
476
477struct nfs4_delegreturnres {
62ae082d 478 struct nfs4_sequence_res seq_res;
fa178f29
TM
479 struct nfs_fattr * fattr;
480 const struct nfs_server *server;
1da177e4
LT
481};
482
1da177e4
LT
483/*
484 * Arguments to the write call.
485 */
2f2c63bc
TM
486struct nfs_write_verifier {
487 char data[8];
488};
489
1da177e4 490struct nfs_writeverf {
2f2c63bc 491 struct nfs_write_verifier verifier;
1da177e4 492 enum nfs3_stable_how committed;
1da177e4
LT
493};
494
3c6b899c
AS
495/*
496 * Arguments shared by the read and write call.
497 */
498struct nfs_pgio_args {
499 struct nfs4_sequence_args seq_args;
500 struct nfs_fh * fh;
501 struct nfs_open_context *context;
502 struct nfs_lock_context *lock_context;
503 nfs4_stateid stateid;
504 __u64 offset;
505 __u32 count;
506 unsigned int pgbase;
507 struct page ** pages;
508 const u32 * bitmask; /* used by write */
509 enum nfs3_stable_how stable; /* used by write */
510};
511
9137bdf3
AS
512struct nfs_pgio_res {
513 struct nfs4_sequence_res seq_res;
514 struct nfs_fattr * fattr;
515 __u32 count;
516 int eof; /* used by read */
517 struct nfs_writeverf * verf; /* used by write */
518 const struct nfs_server *server; /* used by write */
519
520};
521
0b7c0153
FI
522/*
523 * Arguments to the commit call.
524 */
525struct nfs_commitargs {
62ae082d 526 struct nfs4_sequence_args seq_args;
0b7c0153
FI
527 struct nfs_fh *fh;
528 __u64 offset;
529 __u32 count;
530 const u32 *bitmask;
0b7c0153
FI
531};
532
533struct nfs_commitres {
62ae082d 534 struct nfs4_sequence_res seq_res;
0b7c0153
FI
535 struct nfs_fattr *fattr;
536 struct nfs_writeverf *verf;
537 const struct nfs_server *server;
0b7c0153
FI
538};
539
4fdc17b2
TM
540/*
541 * Common arguments to the unlink call
542 */
543struct nfs_removeargs {
62ae082d 544 struct nfs4_sequence_args seq_args;
4fdc17b2
TM
545 const struct nfs_fh *fh;
546 struct qstr name;
4fdc17b2
TM
547};
548
549struct nfs_removeres {
62ae082d 550 struct nfs4_sequence_res seq_res;
4fdc17b2 551 const struct nfs_server *server;
d346890b 552 struct nfs_fattr *dir_attr;
4fdc17b2 553 struct nfs4_change_info cinfo;
4fdc17b2
TM
554};
555
920769f0
JL
556/*
557 * Common arguments to the rename call
558 */
559struct nfs_renameargs {
62ae082d 560 struct nfs4_sequence_args seq_args;
920769f0
JL
561 const struct nfs_fh *old_dir;
562 const struct nfs_fh *new_dir;
563 const struct qstr *old_name;
564 const struct qstr *new_name;
920769f0
JL
565};
566
e8582a8b 567struct nfs_renameres {
62ae082d 568 struct nfs4_sequence_res seq_res;
e8582a8b
JL
569 const struct nfs_server *server;
570 struct nfs4_change_info old_cinfo;
571 struct nfs_fattr *old_fattr;
572 struct nfs4_change_info new_cinfo;
573 struct nfs_fattr *new_fattr;
e8582a8b
JL
574};
575
a3f73c27 576/* parsed sec= options */
4d4b69dd 577#define NFS_AUTH_INFO_MAX_FLAVORS 12 /* see fs/nfs/super.c */
a3f73c27
WAA
578struct nfs_auth_info {
579 unsigned int flavor_len;
4d4b69dd 580 rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS];
a3f73c27
WAA
581};
582
1da177e4
LT
583/*
584 * Argument struct for decode_entry function
585 */
586struct nfs_entry {
587 __u64 ino;
588 __u64 cookie,
589 prev_cookie;
590 const char * name;
591 unsigned int len;
592 int eof;
593 struct nfs_fh * fh;
594 struct nfs_fattr * fattr;
e058f70b 595 struct nfs4_label *label;
0b26a0bf 596 unsigned char d_type;
573c4e1e 597 struct nfs_server * server;
1da177e4
LT
598};
599
600/*
601 * The following types are for NFSv2 only.
602 */
603struct nfs_sattrargs {
604 struct nfs_fh * fh;
605 struct iattr * sattr;
606};
607
608struct nfs_diropargs {
609 struct nfs_fh * fh;
610 const char * name;
611 unsigned int len;
612};
613
614struct nfs_createargs {
615 struct nfs_fh * fh;
616 const char * name;
617 unsigned int len;
618 struct iattr * sattr;
619};
620
1da177e4 621struct nfs_setattrargs {
62ae082d 622 struct nfs4_sequence_args seq_args;
1da177e4
LT
623 struct nfs_fh * fh;
624 nfs4_stateid stateid;
625 struct iattr * iap;
626 const struct nfs_server * server; /* Needed for name mapping */
627 const u32 * bitmask;
e058f70b 628 const struct nfs4_label *label;
1da177e4
LT
629};
630
23ec6965 631struct nfs_setaclargs {
62ae082d 632 struct nfs4_sequence_args seq_args;
23ec6965
BF
633 struct nfs_fh * fh;
634 size_t acl_len;
635 unsigned int acl_pgbase;
636 struct page ** acl_pages;
637};
638
73c403a9
BH
639struct nfs_setaclres {
640 struct nfs4_sequence_res seq_res;
641};
642
029d105e 643struct nfs_getaclargs {
62ae082d 644 struct nfs4_sequence_args seq_args;
029d105e
BF
645 struct nfs_fh * fh;
646 size_t acl_len;
647 unsigned int acl_pgbase;
648 struct page ** acl_pages;
649};
650
bf118a34 651/* getxattr ACL interface flags */
1f1ea6c2 652#define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */
663c79b3 653struct nfs_getaclres {
62ae082d 654 struct nfs4_sequence_res seq_res;
663c79b3 655 size_t acl_len;
bf118a34
AA
656 size_t acl_data_offset;
657 int acl_flags;
331818f1 658 struct page * acl_scratch;
663c79b3
BH
659};
660
1da177e4 661struct nfs_setattrres {
62ae082d 662 struct nfs4_sequence_res seq_res;
1da177e4 663 struct nfs_fattr * fattr;
e058f70b 664 struct nfs4_label *label;
1da177e4
LT
665 const struct nfs_server * server;
666};
667
668struct nfs_linkargs {
669 struct nfs_fh * fromfh;
670 struct nfs_fh * tofh;
671 const char * toname;
672 unsigned int tolen;
673};
674
675struct nfs_symlinkargs {
676 struct nfs_fh * fromfh;
677 const char * fromname;
678 unsigned int fromlen;
94a6d753
CL
679 struct page ** pages;
680 unsigned int pathlen;
1da177e4
LT
681 struct iattr * sattr;
682};
683
684struct nfs_readdirargs {
685 struct nfs_fh * fh;
686 __u32 cookie;
687 unsigned int count;
688 struct page ** pages;
689};
690
b7fa0554
AG
691struct nfs3_getaclargs {
692 struct nfs_fh * fh;
693 int mask;
694 struct page ** pages;
695};
696
697struct nfs3_setaclargs {
698 struct inode * inode;
699 int mask;
700 struct posix_acl * acl_access;
701 struct posix_acl * acl_default;
ae46141f
TM
702 size_t len;
703 unsigned int npages;
b7fa0554
AG
704 struct page ** pages;
705};
706
1da177e4
LT
707struct nfs_diropok {
708 struct nfs_fh * fh;
709 struct nfs_fattr * fattr;
710};
711
712struct nfs_readlinkargs {
713 struct nfs_fh * fh;
714 unsigned int pgbase;
715 unsigned int pglen;
716 struct page ** pages;
717};
718
719struct nfs3_sattrargs {
720 struct nfs_fh * fh;
721 struct iattr * sattr;
722 unsigned int guard;
723 struct timespec guardtime;
724};
725
726struct nfs3_diropargs {
727 struct nfs_fh * fh;
728 const char * name;
729 unsigned int len;
730};
731
732struct nfs3_accessargs {
733 struct nfs_fh * fh;
734 __u32 access;
735};
736
737struct nfs3_createargs {
738 struct nfs_fh * fh;
739 const char * name;
740 unsigned int len;
741 struct iattr * sattr;
742 enum nfs3_createmode createmode;
bc4785cd 743 __be32 verifier[2];
1da177e4
LT
744};
745
746struct nfs3_mkdirargs {
747 struct nfs_fh * fh;
748 const char * name;
749 unsigned int len;
750 struct iattr * sattr;
751};
752
753struct nfs3_symlinkargs {
754 struct nfs_fh * fromfh;
755 const char * fromname;
756 unsigned int fromlen;
94a6d753
CL
757 struct page ** pages;
758 unsigned int pathlen;
1da177e4
LT
759 struct iattr * sattr;
760};
761
762struct nfs3_mknodargs {
763 struct nfs_fh * fh;
764 const char * name;
765 unsigned int len;
766 enum nfs3_ftype type;
767 struct iattr * sattr;
768 dev_t rdev;
769};
770
1da177e4
LT
771struct nfs3_linkargs {
772 struct nfs_fh * fromfh;
773 struct nfs_fh * tofh;
774 const char * toname;
775 unsigned int tolen;
776};
777
778struct nfs3_readdirargs {
779 struct nfs_fh * fh;
780 __u64 cookie;
bc4785cd 781 __be32 verf[2];
1da177e4
LT
782 int plus;
783 unsigned int count;
784 struct page ** pages;
785};
786
787struct nfs3_diropres {
788 struct nfs_fattr * dir_attr;
789 struct nfs_fh * fh;
790 struct nfs_fattr * fattr;
791};
792
793struct nfs3_accessres {
794 struct nfs_fattr * fattr;
795 __u32 access;
796};
797
798struct nfs3_readlinkargs {
799 struct nfs_fh * fh;
800 unsigned int pgbase;
801 unsigned int pglen;
802 struct page ** pages;
803};
804
1da177e4
LT
805struct nfs3_linkres {
806 struct nfs_fattr * dir_attr;
807 struct nfs_fattr * fattr;
808};
809
810struct nfs3_readdirres {
811 struct nfs_fattr * dir_attr;
bc4785cd 812 __be32 * verf;
1da177e4
LT
813 int plus;
814};
815
b7fa0554
AG
816struct nfs3_getaclres {
817 struct nfs_fattr * fattr;
818 int mask;
819 unsigned int acl_access_count;
820 unsigned int acl_default_count;
821 struct posix_acl * acl_access;
822 struct posix_acl * acl_default;
823};
824
89d77c8f 825#if IS_ENABLED(CONFIG_NFS_V4)
1da177e4
LT
826
827typedef u64 clientid4;
828
829struct nfs4_accessargs {
62ae082d 830 struct nfs4_sequence_args seq_args;
1da177e4 831 const struct nfs_fh * fh;
76b32999 832 const u32 * bitmask;
1da177e4
LT
833 u32 access;
834};
835
836struct nfs4_accessres {
62ae082d 837 struct nfs4_sequence_res seq_res;
76b32999
TM
838 const struct nfs_server * server;
839 struct nfs_fattr * fattr;
1da177e4
LT
840 u32 supported;
841 u32 access;
842};
843
844struct nfs4_create_arg {
62ae082d 845 struct nfs4_sequence_args seq_args;
1da177e4
LT
846 u32 ftype;
847 union {
94a6d753
CL
848 struct {
849 struct page ** pages;
850 unsigned int len;
851 } symlink; /* NF4LNK */
1da177e4
LT
852 struct {
853 u32 specdata1;
854 u32 specdata2;
855 } device; /* NF4BLK, NF4CHR */
856 } u;
857 const struct qstr * name;
858 const struct nfs_server * server;
859 const struct iattr * attrs;
860 const struct nfs_fh * dir_fh;
861 const u32 * bitmask;
e058f70b 862 const struct nfs4_label *label;
1da177e4
LT
863};
864
865struct nfs4_create_res {
62ae082d 866 struct nfs4_sequence_res seq_res;
1da177e4
LT
867 const struct nfs_server * server;
868 struct nfs_fh * fh;
869 struct nfs_fattr * fattr;
e058f70b 870 struct nfs4_label *label;
1da177e4
LT
871 struct nfs4_change_info dir_cinfo;
872};
873
874struct nfs4_fsinfo_arg {
62ae082d 875 struct nfs4_sequence_args seq_args;
1da177e4
LT
876 const struct nfs_fh * fh;
877 const u32 * bitmask;
878};
879
3dda5e43 880struct nfs4_fsinfo_res {
3dda5e43 881 struct nfs4_sequence_res seq_res;
62ae082d 882 struct nfs_fsinfo *fsinfo;
3dda5e43
BH
883};
884
1da177e4 885struct nfs4_getattr_arg {
62ae082d 886 struct nfs4_sequence_args seq_args;
1da177e4
LT
887 const struct nfs_fh * fh;
888 const u32 * bitmask;
889};
890
891struct nfs4_getattr_res {
62ae082d 892 struct nfs4_sequence_res seq_res;
1da177e4
LT
893 const struct nfs_server * server;
894 struct nfs_fattr * fattr;
e058f70b 895 struct nfs4_label *label;
1da177e4
LT
896};
897
898struct nfs4_link_arg {
62ae082d 899 struct nfs4_sequence_args seq_args;
1da177e4
LT
900 const struct nfs_fh * fh;
901 const struct nfs_fh * dir_fh;
902 const struct qstr * name;
91ba2eee
TM
903 const u32 * bitmask;
904};
905
906struct nfs4_link_res {
62ae082d 907 struct nfs4_sequence_res seq_res;
91ba2eee
TM
908 const struct nfs_server * server;
909 struct nfs_fattr * fattr;
e058f70b 910 struct nfs4_label *label;
91ba2eee
TM
911 struct nfs4_change_info cinfo;
912 struct nfs_fattr * dir_attr;
1da177e4
LT
913};
914
91ba2eee 915
1da177e4 916struct nfs4_lookup_arg {
62ae082d 917 struct nfs4_sequence_args seq_args;
1da177e4
LT
918 const struct nfs_fh * dir_fh;
919 const struct qstr * name;
920 const u32 * bitmask;
921};
922
923struct nfs4_lookup_res {
62ae082d 924 struct nfs4_sequence_res seq_res;
1da177e4
LT
925 const struct nfs_server * server;
926 struct nfs_fattr * fattr;
927 struct nfs_fh * fh;
e058f70b 928 struct nfs4_label *label;
1da177e4
LT
929};
930
931struct nfs4_lookup_root_arg {
9ff71c3a 932 struct nfs4_sequence_args seq_args;
62ae082d 933 const u32 * bitmask;
1da177e4
LT
934};
935
936struct nfs4_pathconf_arg {
62ae082d 937 struct nfs4_sequence_args seq_args;
1da177e4
LT
938 const struct nfs_fh * fh;
939 const u32 * bitmask;
940};
941
d45b2989 942struct nfs4_pathconf_res {
d45b2989 943 struct nfs4_sequence_res seq_res;
62ae082d 944 struct nfs_pathconf *pathconf;
d45b2989
BH
945};
946
1da177e4 947struct nfs4_readdir_arg {
62ae082d 948 struct nfs4_sequence_args seq_args;
1da177e4
LT
949 const struct nfs_fh * fh;
950 u64 cookie;
951 nfs4_verifier verifier;
952 u32 count;
953 struct page ** pages; /* zero-copy data */
954 unsigned int pgbase; /* zero-copy data */
955 const u32 * bitmask;
82f2e547 956 int plus;
1da177e4
LT
957};
958
959struct nfs4_readdir_res {
62ae082d 960 struct nfs4_sequence_res seq_res;
1da177e4
LT
961 nfs4_verifier verifier;
962 unsigned int pgbase;
963};
964
965struct nfs4_readlink {
62ae082d 966 struct nfs4_sequence_args seq_args;
1da177e4
LT
967 const struct nfs_fh * fh;
968 unsigned int pgbase;
969 unsigned int pglen; /* zero-copy data */
970 struct page ** pages; /* zero-copy data */
971};
972
f50c7000
BH
973struct nfs4_readlink_res {
974 struct nfs4_sequence_res seq_res;
975};
976
19d771f3 977#define NFS4_SETCLIENTID_NAMELEN (127)
1da177e4 978struct nfs4_setclientid {
cc38bac3 979 const nfs4_verifier * sc_verifier;
1da177e4 980 unsigned int sc_name_len;
d1ce02e1 981 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
cc38bac3 982 u32 sc_prog;
1da177e4 983 unsigned int sc_netid_len;
d1ce02e1 984 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
1da177e4 985 unsigned int sc_uaddr_len;
d1ce02e1 986 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
cc38bac3 987 u32 sc_cb_ident;
f11b2a1c 988 struct rpc_cred *sc_cred;
1da177e4
LT
989};
990
bb8b27e5
TM
991struct nfs4_setclientid_res {
992 u64 clientid;
993 nfs4_verifier confirm;
994};
995
1da177e4 996struct nfs4_statfs_arg {
62ae082d 997 struct nfs4_sequence_args seq_args;
1da177e4
LT
998 const struct nfs_fh * fh;
999 const u32 * bitmask;
1000};
1001
24ad148a 1002struct nfs4_statfs_res {
24ad148a 1003 struct nfs4_sequence_res seq_res;
62ae082d 1004 struct nfs_fsstat *fsstat;
24ad148a
BH
1005};
1006
43652ad5 1007struct nfs4_server_caps_arg {
43652ad5 1008 struct nfs4_sequence_args seq_args;
62ae082d 1009 struct nfs_fh *fhandle;
43652ad5
BH
1010};
1011
1da177e4 1012struct nfs4_server_caps_res {
62ae082d 1013 struct nfs4_sequence_res seq_res;
dae100c2 1014 u32 attr_bitmask[3];
1da177e4
LT
1015 u32 acl_bitmask;
1016 u32 has_links;
1017 u32 has_symlinks;
264e6351 1018 u32 fh_expire_type;
1da177e4
LT
1019};
1020
7aaa0b3b
MN
1021#define NFS4_PATHNAME_MAXCOMPONENTS 512
1022struct nfs4_pathname {
1023 unsigned int ncomponents;
1024 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1025};
1026
1027#define NFS4_FS_LOCATION_MAXSERVERS 10
1028struct nfs4_fs_location {
1029 unsigned int nservers;
1030 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1031 struct nfs4_pathname rootpath;
1032};
1033
1034#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1035struct nfs4_fs_locations {
683b57b4
TM
1036 struct nfs_fattr fattr;
1037 const struct nfs_server *server;
7aaa0b3b 1038 struct nfs4_pathname fs_path;
683b57b4 1039 int nlocations;
7aaa0b3b 1040 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
683b57b4
TM
1041};
1042
1043struct nfs4_fs_locations_arg {
62ae082d 1044 struct nfs4_sequence_args seq_args;
683b57b4 1045 const struct nfs_fh *dir_fh;
b03d735b 1046 const struct nfs_fh *fh;
683b57b4
TM
1047 const struct qstr *name;
1048 struct page *page;
1049 const u32 *bitmask;
b03d735b
CL
1050 clientid4 clientid;
1051 unsigned char migration:1, renew:1;
683b57b4
TM
1052};
1053
22958463 1054struct nfs4_fs_locations_res {
22958463 1055 struct nfs4_sequence_res seq_res;
62ae082d 1056 struct nfs4_fs_locations *fs_locations;
b03d735b 1057 unsigned char migration:1, renew:1;
22958463
BH
1058};
1059
fb15b26f
CL
1060struct nfs4_secinfo4 {
1061 u32 flavor;
1062 struct rpcsec_gss_info flavor_info;
5a5ea0d4
BS
1063};
1064
1065struct nfs4_secinfo_flavors {
fb15b26f
CL
1066 unsigned int num_flavors;
1067 struct nfs4_secinfo4 flavors[0];
5a5ea0d4
BS
1068};
1069
1070struct nfs4_secinfo_arg {
62ae082d 1071 struct nfs4_sequence_args seq_args;
5a5ea0d4
BS
1072 const struct nfs_fh *dir_fh;
1073 const struct qstr *name;
5a5ea0d4
BS
1074};
1075
1076struct nfs4_secinfo_res {
5a5ea0d4 1077 struct nfs4_sequence_res seq_res;
62ae082d 1078 struct nfs4_secinfo_flavors *flavors;
5a5ea0d4
BS
1079};
1080
44c99933
CL
1081struct nfs4_fsid_present_arg {
1082 struct nfs4_sequence_args seq_args;
1083 const struct nfs_fh *fh;
1084 clientid4 clientid;
1085 unsigned char renew:1;
1086};
1087
1088struct nfs4_fsid_present_res {
1089 struct nfs4_sequence_res seq_res;
1090 struct nfs_fh *fh;
1091 unsigned char renew:1;
1092};
1093
1da177e4
LT
1094#endif /* CONFIG_NFS_V4 */
1095
99fe60d0
BH
1096struct nfstime4 {
1097 u64 seconds;
1098 u32 nseconds;
1099};
1100
1101#ifdef CONFIG_NFS_V4_1
ea2cf228
FI
1102
1103struct pnfs_commit_bucket {
1104 struct list_head written;
1105 struct list_head committing;
1106 struct pnfs_layout_segment *wlseg;
1107 struct pnfs_layout_segment *clseg;
5002c586 1108 struct nfs_writeverf direct_verf;
ea2cf228
FI
1109};
1110
1111struct pnfs_ds_commit_info {
1112 int nwritten;
1113 int ncommitting;
1114 int nbuckets;
1115 struct pnfs_commit_bucket *buckets;
1116};
1117
2031cd1a
WAA
1118#define NFS4_OP_MAP_NUM_LONGS \
1119 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long))
1120#define NFS4_OP_MAP_NUM_WORDS \
1121 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32))
1122struct nfs4_op_map {
1123 union {
1124 unsigned long longs[NFS4_OP_MAP_NUM_LONGS];
1125 u32 words[NFS4_OP_MAP_NUM_WORDS];
1126 } u;
1127};
1128
1129struct nfs41_state_protection {
1130 u32 how;
1131 struct nfs4_op_map enforce;
1132 struct nfs4_op_map allow;
1133};
1134
99fe60d0
BH
1135#define NFS4_EXCHANGE_ID_LEN (48)
1136struct nfs41_exchange_id_args {
1137 struct nfs_client *client;
1138 nfs4_verifier *verifier;
1139 unsigned int id_len;
1140 char id[NFS4_EXCHANGE_ID_LEN];
1141 u32 flags;
2031cd1a 1142 struct nfs41_state_protection state_protect;
99fe60d0
BH
1143};
1144
acdeb69d 1145struct nfs41_server_owner {
99fe60d0
BH
1146 uint64_t minor_id;
1147 uint32_t major_id_sz;
1148 char major_id[NFS4_OPAQUE_LIMIT];
1149};
1150
79d4e1f0 1151struct nfs41_server_scope {
99fe60d0
BH
1152 uint32_t server_scope_sz;
1153 char server_scope[NFS4_OPAQUE_LIMIT];
1154};
1155
7d2ed9ac
WAA
1156struct nfs41_impl_id {
1157 char domain[NFS4_OPAQUE_LIMIT + 1];
1158 char name[NFS4_OPAQUE_LIMIT + 1];
1159 struct nfstime4 date;
1160};
1161
7c44f1ae
WAA
1162struct nfs41_bind_conn_to_session_res {
1163 struct nfs4_session *session;
1164 u32 dir;
1165 bool use_conn_in_rdma_mode;
1166};
1167
99fe60d0 1168struct nfs41_exchange_id_res {
32b01310
TM
1169 u64 clientid;
1170 u32 seqid;
99fe60d0 1171 u32 flags;
acdeb69d 1172 struct nfs41_server_owner *server_owner;
79d4e1f0 1173 struct nfs41_server_scope *server_scope;
7d2ed9ac 1174 struct nfs41_impl_id *impl_id;
2031cd1a 1175 struct nfs41_state_protection state_protect;
99fe60d0 1176};
fc931582
AA
1177
1178struct nfs41_create_session_args {
1179 struct nfs_client *client;
1180 uint32_t flags;
1181 uint32_t cb_program;
1182 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1183 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1184};
1185
1186struct nfs41_create_session_res {
1187 struct nfs_client *client;
1188};
18019753
RL
1189
1190struct nfs41_reclaim_complete_args {
62ae082d 1191 struct nfs4_sequence_args seq_args;
18019753
RL
1192 /* In the future extend to include curr_fh for use with migration */
1193 unsigned char one_fs:1;
18019753
RL
1194};
1195
1196struct nfs41_reclaim_complete_res {
1197 struct nfs4_sequence_res seq_res;
1198};
fca78d6d
BS
1199
1200#define SECINFO_STYLE_CURRENT_FH 0
1201#define SECINFO_STYLE_PARENT 1
1202struct nfs41_secinfo_no_name_args {
fca78d6d 1203 struct nfs4_sequence_args seq_args;
62ae082d 1204 int style;
fca78d6d
BS
1205};
1206
7d974794 1207struct nfs41_test_stateid_args {
7d974794 1208 struct nfs4_sequence_args seq_args;
62ae082d 1209 nfs4_stateid *stateid;
7d974794
BS
1210};
1211
1212struct nfs41_test_stateid_res {
7d974794 1213 struct nfs4_sequence_res seq_res;
62ae082d 1214 unsigned int status;
7d974794
BS
1215};
1216
9aeda35f 1217struct nfs41_free_stateid_args {
9aeda35f 1218 struct nfs4_sequence_args seq_args;
7c1d5fae 1219 nfs4_stateid stateid;
9aeda35f
BS
1220};
1221
1222struct nfs41_free_stateid_res {
9aeda35f 1223 struct nfs4_sequence_res seq_res;
62ae082d 1224 unsigned int status;
9aeda35f
BS
1225};
1226
4f97615d
TM
1227#else
1228
1229struct pnfs_ds_commit_info {
1230};
1231
99fe60d0
BH
1232#endif /* CONFIG_NFS_V4_1 */
1233
1c6dcbe5
AS
1234#ifdef CONFIG_NFS_V4_2
1235struct nfs42_seek_args {
1236 struct nfs4_sequence_args seq_args;
1237
1238 struct nfs_fh *sa_fh;
1239 nfs4_stateid sa_stateid;
1240 u64 sa_offset;
1241 u32 sa_what;
1242};
1243
1244struct nfs42_seek_res {
1245 struct nfs4_sequence_res seq_res;
1246 unsigned int status;
1247
1248 u32 sr_eof;
1249 u64 sr_offset;
1250};
1251#endif
1252
1da177e4
LT
1253struct nfs_page;
1254
40859d7e
CL
1255#define NFS_PAGEVEC_SIZE (8U)
1256
30dd374f
FI
1257struct nfs_page_array {
1258 struct page **pagevec;
1259 unsigned int npages; /* Max length of pagevec */
1260 struct page *page_array[NFS_PAGEVEC_SIZE];
1261};
1262
4db6e0b7
FI
1263/* used as flag bits in nfs_pgio_header */
1264enum {
1265 NFS_IOHDR_ERROR = 0,
1266 NFS_IOHDR_EOF,
1267 NFS_IOHDR_REDO,
1268};
1269
cd841605
FI
1270struct nfs_pgio_header {
1271 struct inode *inode;
1272 struct rpc_cred *cred;
1273 struct list_head pages;
1274 struct nfs_page *req;
f79d06f5 1275 struct nfs_writeverf verf; /* Used for writes */
cd841605 1276 struct pnfs_layout_segment *lseg;
4db6e0b7 1277 loff_t io_start;
cd841605 1278 const struct rpc_call_ops *mds_ops;
4db6e0b7 1279 void (*release) (struct nfs_pgio_header *hdr);
061ae2ed 1280 const struct nfs_pgio_completion_ops *completion_ops;
4a0de55c 1281 const struct nfs_rw_ops *rw_ops;
584aa810 1282 struct nfs_direct_req *dreq;
f6166384 1283 void *layout_private;
4db6e0b7
FI
1284 spinlock_t lock;
1285 /* fields protected by lock */
cd841605 1286 int pnfs_error;
4db6e0b7
FI
1287 int error; /* merge with pnfs_error */
1288 unsigned long good_bytes; /* boundary of good data */
1289 unsigned long flags;
d45f60c6
WAA
1290
1291 /*
1292 * rpc data
1293 */
1294 struct rpc_task task;
1295 struct nfs_fattr fattr;
d45f60c6
WAA
1296 struct nfs_pgio_args args; /* argument struct */
1297 struct nfs_pgio_res res; /* result struct */
1298 unsigned long timestamp; /* For lease renewal */
1299 int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *);
1300 __u64 mds_offset; /* Filelayout dense stripe */
1301 struct nfs_page_array page_array;
1302 struct nfs_client *ds_clp; /* pNFS data server */
1303 int ds_idx; /* ds index if ds_clp is set */
cd841605
FI
1304};
1305
ea2cf228
FI
1306struct nfs_mds_commit_info {
1307 atomic_t rpcs_out;
1308 unsigned long ncommit;
1309 struct list_head list;
1310};
1311
f453a54a
FI
1312struct nfs_commit_data;
1313struct nfs_inode;
1314struct nfs_commit_completion_ops {
1315 void (*error_cleanup) (struct nfs_inode *nfsi);
1316 void (*completion) (struct nfs_commit_data *data);
1317};
1318
ea2cf228
FI
1319struct nfs_commit_info {
1320 spinlock_t *lock;
1321 struct nfs_mds_commit_info *mds;
1322 struct pnfs_ds_commit_info *ds;
b359f9d0 1323 struct nfs_direct_req *dreq; /* O_DIRECT request */
f453a54a 1324 const struct nfs_commit_completion_ops *completion_ops;
ea2cf228
FI
1325};
1326
0b7c0153
FI
1327struct nfs_commit_data {
1328 struct rpc_task task;
1329 struct inode *inode;
1330 struct rpc_cred *cred;
1331 struct nfs_fattr fattr;
1332 struct nfs_writeverf verf;
1333 struct list_head pages; /* Coalesced requests we wish to flush */
1334 struct list_head list; /* lists of struct nfs_write_data */
1335 struct nfs_direct_req *dreq; /* O_DIRECT request */
1336 struct nfs_commitargs args; /* argument struct */
1337 struct nfs_commitres res; /* result struct */
1338 struct nfs_open_context *context;
1339 struct pnfs_layout_segment *lseg;
1340 struct nfs_client *ds_clp; /* pNFS data server */
1341 int ds_commit_index;
378520b8 1342 loff_t lwb;
0b7c0153 1343 const struct rpc_call_ops *mds_ops;
f453a54a 1344 const struct nfs_commit_completion_ops *completion_ops;
0b7c0153
FI
1345 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1346};
1347
061ae2ed
FI
1348struct nfs_pgio_completion_ops {
1349 void (*error_cleanup)(struct list_head *head);
584aa810 1350 void (*init_hdr)(struct nfs_pgio_header *hdr);
061ae2ed
FI
1351 void (*completion)(struct nfs_pgio_header *hdr);
1352};
1353
34e137cc
BS
1354struct nfs_unlinkdata {
1355 struct hlist_node list;
1356 struct nfs_removeargs args;
1357 struct nfs_removeres res;
1358 struct inode *dir;
1359 struct rpc_cred *cred;
1360 struct nfs_fattr dir_attr;
8478eaa1 1361 long timeout;
34e137cc
BS
1362};
1363
c6bfa1a1
BS
1364struct nfs_renamedata {
1365 struct nfs_renameargs args;
1366 struct nfs_renameres res;
1367 struct rpc_cred *cred;
1368 struct inode *old_dir;
1369 struct dentry *old_dentry;
1370 struct nfs_fattr old_fattr;
1371 struct inode *new_dir;
1372 struct dentry *new_dentry;
1373 struct nfs_fattr new_fattr;
96f9d8c0 1374 void (*complete)(struct rpc_task *, struct nfs_renamedata *);
8478eaa1 1375 long timeout;
c6bfa1a1
BS
1376};
1377
1da177e4 1378struct nfs_access_entry;
45a52a02 1379struct nfs_client;
e0dca7a0 1380struct rpc_timeout;
ff9099f2
BS
1381struct nfs_subversion;
1382struct nfs_mount_info;
6663ee7f 1383struct nfs_client_initdata;
1abb5088 1384struct nfs_pageio_descriptor;
1da177e4
LT
1385
1386/*
1387 * RPC procedure vector for NFSv2/NFSv3 demuxing
1388 */
1389struct nfs_rpc_ops {
c0e07cb6 1390 u32 version; /* Protocol version */
f786aa90 1391 const struct dentry_operations *dentry_ops;
c5ef1c42
AV
1392 const struct inode_operations *dir_inode_ops;
1393 const struct inode_operations *file_inode_ops;
1788ea6e 1394 const struct file_operations *file_ops;
1da177e4
LT
1395
1396 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1397 struct nfs_fsinfo *);
281cad46
BS
1398 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1399 struct nfs_fh *, struct nfs_fattr *);
ff9099f2
BS
1400 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1401 struct nfs_subversion *);
1da177e4 1402 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1775fd3e 1403 struct nfs_fattr *, struct nfs4_label *);
1da177e4
LT
1404 int (*setattr) (struct dentry *, struct nfs_fattr *,
1405 struct iattr *);
80a16b21 1406 int (*lookup) (struct inode *, struct qstr *,
1775fd3e
DQ
1407 struct nfs_fh *, struct nfs_fattr *,
1408 struct nfs4_label *);
1da177e4
LT
1409 int (*access) (struct inode *, struct nfs_access_entry *);
1410 int (*readlink)(struct inode *, struct page *, unsigned int,
1411 unsigned int);
1da177e4 1412 int (*create) (struct inode *, struct dentry *,
8867fe58 1413 struct iattr *, int);
1da177e4 1414 int (*remove) (struct inode *, struct qstr *);
e4eff1a6 1415 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
34e137cc 1416 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
e4eff1a6 1417 int (*unlink_done) (struct rpc_task *, struct inode *);
d3d4152a 1418 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
c6bfa1a1 1419 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
d3d4152a 1420 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1da177e4 1421 int (*link) (struct inode *, struct inode *, struct qstr *);
94a6d753
CL
1422 int (*symlink) (struct inode *, struct dentry *, struct page *,
1423 unsigned int, struct iattr *);
1da177e4
LT
1424 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1425 int (*rmdir) (struct inode *, struct qstr *);
1426 int (*readdir) (struct dentry *, struct rpc_cred *,
56e4ebf8 1427 u64, struct page **, unsigned int, int);
1da177e4
LT
1428 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1429 dev_t);
1430 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1431 struct nfs_fsstat *);
1432 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1433 struct nfs_fsinfo *);
1434 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1435 struct nfs_pathconf *);
e9326dca 1436 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
573c4e1e 1437 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
d45f60c6
WAA
1438 int (*pgio_rpc_prepare)(struct rpc_task *,
1439 struct nfs_pgio_header *);
1440 void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);
1441 int (*read_done)(struct rpc_task *, struct nfs_pgio_header *);
1442 void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *);
1443 int (*write_done)(struct rpc_task *, struct nfs_pgio_header *);
0b7c0153
FI
1444 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1445 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1446 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1da177e4 1447 int (*lock)(struct file *, int, struct file_lock *);
2116271a 1448 int (*lock_check_bounds)(const struct file_lock *);
ada70d94 1449 void (*clear_acl_cache)(struct inode *);
7fe5c398 1450 void (*close_context)(struct nfs_open_context *ctx, int);
2b484297
TM
1451 struct inode * (*open_context) (struct inode *dir,
1452 struct nfs_open_context *ctx,
1453 int open_flags,
5bc2afc2
TM
1454 struct iattr *iattr,
1455 int *);
011e2a7f 1456 int (*have_delegation)(struct inode *, fmode_t);
57ec14c5 1457 int (*return_delegation)(struct inode *);
6663ee7f 1458 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
8cab4c39
CL
1459 struct nfs_client *
1460 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
f8407299 1461 const char *);
cdb7eced 1462 void (*free_client) (struct nfs_client *);
1179acc6
BS
1463 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1464 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1465 struct nfs_fattr *, rpc_authflavor_t);
1da177e4
LT
1466};
1467
1468/*
1469 * NFS_CALL(getattr, inode, (fattr));
1470 * into
1471 * NFS_PROTO(inode)->getattr(fattr);
1472 */
1473#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1474
1475/*
1476 * Function vectors etc. for the NFS client
1477 */
509de811
DH
1478extern const struct nfs_rpc_ops nfs_v2_clientops;
1479extern const struct nfs_rpc_ops nfs_v3_clientops;
1480extern const struct nfs_rpc_ops nfs_v4_clientops;
a613fa16
TM
1481extern const struct rpc_version nfs_version2;
1482extern const struct rpc_version nfs_version3;
1483extern const struct rpc_version nfs_version4;
1da177e4 1484
a613fa16
TM
1485extern const struct rpc_version nfsacl_version3;
1486extern const struct rpc_program nfsacl_program;
b7fa0554 1487
1da177e4 1488#endif