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1da177e4
LT
1#ifndef _LINUX_NFS_XDR_H
2#define _LINUX_NFS_XDR_H
3
b7fa0554 4#include <linux/nfsacl.h>
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 */
2a92ee92 144 __u32 clone_blksize; /* granularity of a CLONE operation */
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
76e697ba 188struct nfs4_slot;
9ff71c3a 189struct nfs4_sequence_args {
2b2fa717 190 struct nfs4_slot *sa_slot;
8fe72bac
TM
191 u8 sa_cache_this : 1,
192 sa_privileged : 1;
9ff71c3a
BH
193};
194
195struct nfs4_sequence_res {
dfb4f309 196 struct nfs4_slot *sr_slot; /* slot used to send request */
8e63b6a8 197 unsigned long sr_timestamp;
fbcd4abc 198 int sr_status; /* sequence operation status */
0629e370 199 u32 sr_status_flags;
da0507b7 200 u32 sr_highest_slotid;
464ee9f9 201 u32 sr_target_highest_slotid;
9ff71c3a
BH
202};
203
2050f0cc
AA
204struct nfs4_get_lease_time_args {
205 struct nfs4_sequence_args la_seq_args;
206};
207
208struct nfs4_get_lease_time_res {
2050f0cc 209 struct nfs4_sequence_res lr_seq_res;
62ae082d 210 struct nfs_fsinfo *lr_fsinfo;
2050f0cc
AA
211};
212
b1f69b75
AA
213#define PNFS_LAYOUT_MAXSIZE 4096
214
215struct nfs4_layoutdriver_data {
35124a09
WAA
216 struct page **pages;
217 __u32 pglen;
b1f69b75 218 __u32 len;
b1f69b75
AA
219};
220
221struct pnfs_layout_range {
222 u32 iomode;
223 u64 offset;
224 u64 length;
225};
226
227struct nfs4_layoutget_args {
62ae082d 228 struct nfs4_sequence_args seq_args;
b1f69b75
AA
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;
cf7d63f1 235 nfs4_stateid stateid;
30005121 236 unsigned long timestamp;
35124a09 237 struct nfs4_layoutdriver_data layout;
b1f69b75
AA
238};
239
240struct nfs4_layoutget_res {
62ae082d 241 struct nfs4_sequence_res seq_res;
b1f69b75
AA
242 __u32 return_on_close;
243 struct pnfs_layout_range range;
244 __u32 type;
245 nfs4_stateid stateid;
35124a09 246 struct nfs4_layoutdriver_data *layoutp;
b1f69b75
AA
247};
248
249struct nfs4_layoutget {
250 struct nfs4_layoutget_args args;
251 struct nfs4_layoutget_res res;
6ab59344 252 struct rpc_cred *cred;
a75b9df9 253 gfp_t gfp_flags;
91ab4b4d 254 long timeout;
b1f69b75
AA
255};
256
257struct nfs4_getdeviceinfo_args {
b1f69b75 258 struct nfs4_sequence_args seq_args;
62ae082d 259 struct pnfs_device *pdev;
4e590803 260 __u32 notify_types;
b1f69b75
AA
261};
262
263struct nfs4_getdeviceinfo_res {
b1f69b75 264 struct nfs4_sequence_res seq_res;
62ae082d 265 struct pnfs_device *pdev;
4e590803 266 __u32 notification;
b1f69b75
AA
267};
268
863a3c6c 269struct nfs4_layoutcommit_args {
62ae082d 270 struct nfs4_sequence_args seq_args;
863a3c6c
AA
271 nfs4_stateid stateid;
272 __u64 lastbytewritten;
273 struct inode *inode;
274 const u32 *bitmask;
5f919c9f
CH
275 size_t layoutupdate_len;
276 struct page *layoutupdate_page;
277 struct page **layoutupdate_pages;
c8975706 278 __be32 *start_p;
863a3c6c
AA
279};
280
281struct nfs4_layoutcommit_res {
62ae082d 282 struct nfs4_sequence_res seq_res;
863a3c6c
AA
283 struct nfs_fattr *fattr;
284 const struct nfs_server *server;
db29c089 285 int status;
863a3c6c
AA
286};
287
288struct nfs4_layoutcommit_data {
289 struct rpc_task task;
290 struct nfs_fattr fattr;
a9bae566 291 struct list_head lseg_list;
863a3c6c 292 struct rpc_cred *cred;
472e2594 293 struct inode *inode;
863a3c6c
AA
294 struct nfs4_layoutcommit_args args;
295 struct nfs4_layoutcommit_res res;
296};
297
cbe82603 298struct nfs4_layoutreturn_args {
62ae082d 299 struct nfs4_sequence_args seq_args;
a56aaa02 300 struct pnfs_layout_hdr *layout;
cbe82603 301 struct inode *inode;
15eb67c1 302 struct pnfs_layout_range range;
cbe82603 303 nfs4_stateid stateid;
a56aaa02 304 __u32 layout_type;
cbe82603
BH
305};
306
307struct nfs4_layoutreturn_res {
308 struct nfs4_sequence_res seq_res;
309 u32 lrs_present;
310 nfs4_stateid stateid;
311};
312
313struct nfs4_layoutreturn {
314 struct nfs4_layoutreturn_args args;
315 struct nfs4_layoutreturn_res res;
316 struct rpc_cred *cred;
317 struct nfs_client *clp;
5a0ec8ac 318 struct inode *inode;
cbe82603
BH
319 int rpc_status;
320};
321
be3a5d23
TM
322#define PNFS_LAYOUTSTATS_MAXSIZE 256
323
324struct nfs42_layoutstat_args;
325struct nfs42_layoutstat_devinfo;
326typedef void (*layoutstats_encode_t)(struct xdr_stream *,
327 struct nfs42_layoutstat_args *,
328 struct nfs42_layoutstat_devinfo *);
329
330/* Per file per deviceid layoutstats */
331struct nfs42_layoutstat_devinfo {
332 struct nfs4_deviceid dev_id;
333 __u64 offset;
334 __u64 length;
335 __u64 read_count;
336 __u64 read_bytes;
337 __u64 write_count;
338 __u64 write_bytes;
339 __u32 layout_type;
340 layoutstats_encode_t layoutstats_encode;
341 void *layout_private;
342};
343
344struct nfs42_layoutstat_args {
345 struct nfs4_sequence_args seq_args;
346 struct nfs_fh *fh;
347 struct inode *inode;
348 nfs4_stateid stateid;
349 int num_dev;
350 struct nfs42_layoutstat_devinfo *devinfo;
351};
352
353struct nfs42_layoutstat_res {
354 struct nfs4_sequence_res seq_res;
355 int num_dev;
356 int rpc_status;
357};
358
359struct nfs42_layoutstat_data {
360 struct inode *inode;
361 struct nfs42_layoutstat_args args;
362 struct nfs42_layoutstat_res res;
363};
364
36022770
PT
365struct nfs42_clone_args {
366 struct nfs4_sequence_args seq_args;
367 struct nfs_fh *src_fh;
368 struct nfs_fh *dst_fh;
369 nfs4_stateid src_stateid;
370 nfs4_stateid dst_stateid;
371 __u64 src_offset;
372 __u64 dst_offset;
373 __u64 count;
374 const u32 *dst_bitmask;
375};
376
377struct nfs42_clone_res {
378 struct nfs4_sequence_res seq_res;
379 unsigned int rpc_status;
380 struct nfs_fattr *dst_fattr;
381 const struct nfs_server *server;
382};
383
95b72eb0
TM
384struct stateowner_id {
385 __u64 create_time;
386 __u32 uniquifier;
387};
388
1da177e4
LT
389/*
390 * Arguments to the open call.
391 */
392struct nfs_openargs {
62ae082d 393 struct nfs4_sequence_args seq_args;
1da177e4 394 const struct nfs_fh * fh;
cee54fc9 395 struct nfs_seqid * seqid;
1da177e4 396 int open_flags;
dc0b027d 397 fmode_t fmode;
6ae37339 398 u32 share_access;
6168f62c 399 u32 access;
1da177e4 400 __u64 clientid;
95b72eb0 401 struct stateowner_id id;
1da177e4 402 union {
d77d76ff 403 struct {
5334c5bd 404 struct iattr * attrs; /* UNCHECKED, GUARDED, EXCLUSIVE4_1 */
d77d76ff
TM
405 nfs4_verifier verifier; /* EXCLUSIVE */
406 };
1da177e4 407 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
bd7bf9d5 408 fmode_t delegation_type; /* CLAIM_PREVIOUS */
1da177e4
LT
409 } u;
410 const struct qstr * name;
411 const struct nfs_server *server; /* Needed for ID mapping */
412 const u32 * bitmask;
1549210f 413 const u32 * open_bitmap;
2a606188 414 enum open_claim_type4 claim;
549b19cc 415 enum createmode4 createmode;
e058f70b 416 const struct nfs4_label *label;
1da177e4
LT
417};
418
419struct nfs_openres {
62ae082d 420 struct nfs4_sequence_res seq_res;
1da177e4
LT
421 nfs4_stateid stateid;
422 struct nfs_fh fh;
423 struct nfs4_change_info cinfo;
424 __u32 rflags;
425 struct nfs_fattr * f_attr;
e058f70b 426 struct nfs4_label *f_label;
c1d51931 427 struct nfs_seqid * seqid;
1da177e4 428 const struct nfs_server *server;
bd7bf9d5 429 fmode_t delegation_type;
1da177e4 430 nfs4_stateid delegation;
7d160a6c 431 unsigned long pagemod_limit;
1da177e4 432 __u32 do_recall;
aa53ed54 433 __u32 attrset[NFS4_BITMAP_SIZE];
6926afd1
TM
434 struct nfs4_string *owner;
435 struct nfs4_string *group_owner;
ae2bb032 436 __u32 access_request;
6168f62c
WAA
437 __u32 access_supported;
438 __u32 access_result;
1da177e4
LT
439};
440
441/*
442 * Arguments to the open_confirm call.
443 */
444struct nfs_open_confirmargs {
17ead6c8 445 struct nfs4_sequence_args seq_args;
1da177e4 446 const struct nfs_fh * fh;
cdd4e68b 447 nfs4_stateid * stateid;
cee54fc9 448 struct nfs_seqid * seqid;
1da177e4
LT
449};
450
451struct nfs_open_confirmres {
17ead6c8 452 struct nfs4_sequence_res seq_res;
1da177e4 453 nfs4_stateid stateid;
c1d51931 454 struct nfs_seqid * seqid;
1da177e4
LT
455};
456
457/*
458 * Arguments to the close call.
459 */
460struct nfs_closeargs {
62ae082d 461 struct nfs4_sequence_args seq_args;
1da177e4 462 struct nfs_fh * fh;
566fcec6 463 nfs4_stateid stateid;
cee54fc9 464 struct nfs_seqid * seqid;
dc0b027d 465 fmode_t fmode;
6ae37339 466 u32 share_access;
516a6af6 467 const u32 * bitmask;
1da177e4
LT
468};
469
470struct nfs_closeres {
62ae082d 471 struct nfs4_sequence_res seq_res;
1da177e4 472 nfs4_stateid stateid;
516a6af6 473 struct nfs_fattr * fattr;
c1d51931 474 struct nfs_seqid * seqid;
516a6af6 475 const struct nfs_server *server;
1da177e4
LT
476};
477/*
478 * * Arguments to the lock,lockt, and locku call.
479 * */
480struct nfs_lowner {
911d1aaf 481 __u64 clientid;
9f958ab8 482 __u64 id;
d035c36c 483 dev_t s_dev;
1da177e4
LT
484};
485
911d1aaf 486struct nfs_lock_args {
62ae082d 487 struct nfs4_sequence_args seq_args;
911d1aaf
TM
488 struct nfs_fh * fh;
489 struct file_lock * fl;
cee54fc9 490 struct nfs_seqid * lock_seqid;
425c1d4e 491 nfs4_stateid lock_stateid;
06735b34 492 struct nfs_seqid * open_seqid;
425c1d4e 493 nfs4_stateid open_stateid;
911d1aaf
TM
494 struct nfs_lowner lock_owner;
495 unsigned char block : 1;
496 unsigned char reclaim : 1;
c69899a1 497 unsigned char new_lock : 1;
911d1aaf
TM
498 unsigned char new_lock_owner : 1;
499};
500
501struct nfs_lock_res {
62ae082d 502 struct nfs4_sequence_res seq_res;
c1d51931
TM
503 nfs4_stateid stateid;
504 struct nfs_seqid * lock_seqid;
505 struct nfs_seqid * open_seqid;
1da177e4
LT
506};
507
911d1aaf 508struct nfs_locku_args {
62ae082d 509 struct nfs4_sequence_args seq_args;
911d1aaf
TM
510 struct nfs_fh * fh;
511 struct file_lock * fl;
cee54fc9 512 struct nfs_seqid * seqid;
425c1d4e 513 nfs4_stateid stateid;
1da177e4
LT
514};
515
911d1aaf 516struct nfs_locku_res {
62ae082d 517 struct nfs4_sequence_res seq_res;
c1d51931
TM
518 nfs4_stateid stateid;
519 struct nfs_seqid * seqid;
1da177e4
LT
520};
521
911d1aaf 522struct nfs_lockt_args {
62ae082d 523 struct nfs4_sequence_args seq_args;
911d1aaf
TM
524 struct nfs_fh * fh;
525 struct file_lock * fl;
526 struct nfs_lowner lock_owner;
1da177e4
LT
527};
528
911d1aaf 529struct nfs_lockt_res {
9ff71c3a 530 struct nfs4_sequence_res seq_res;
62ae082d 531 struct file_lock * denied; /* LOCK, LOCKT failed */
1da177e4
LT
532};
533
d3c7b7cc 534struct nfs_release_lockowner_args {
b7e63a10 535 struct nfs4_sequence_args seq_args;
d3c7b7cc
TM
536 struct nfs_lowner lock_owner;
537};
538
b7e63a10
TM
539struct nfs_release_lockowner_res {
540 struct nfs4_sequence_res seq_res;
541};
542
1da177e4 543struct nfs4_delegreturnargs {
62ae082d 544 struct nfs4_sequence_args seq_args;
1da177e4
LT
545 const struct nfs_fh *fhandle;
546 const nfs4_stateid *stateid;
fa178f29
TM
547 const u32 * bitmask;
548};
549
550struct nfs4_delegreturnres {
62ae082d 551 struct nfs4_sequence_res seq_res;
fa178f29 552 struct nfs_fattr * fattr;
516285eb 553 struct nfs_server *server;
1da177e4
LT
554};
555
1da177e4
LT
556/*
557 * Arguments to the write call.
558 */
2f2c63bc
TM
559struct nfs_write_verifier {
560 char data[8];
561};
562
1da177e4 563struct nfs_writeverf {
2f2c63bc 564 struct nfs_write_verifier verifier;
1da177e4 565 enum nfs3_stable_how committed;
1da177e4
LT
566};
567
3c6b899c
AS
568/*
569 * Arguments shared by the read and write call.
570 */
571struct nfs_pgio_args {
572 struct nfs4_sequence_args seq_args;
573 struct nfs_fh * fh;
574 struct nfs_open_context *context;
575 struct nfs_lock_context *lock_context;
576 nfs4_stateid stateid;
577 __u64 offset;
578 __u32 count;
579 unsigned int pgbase;
580 struct page ** pages;
581 const u32 * bitmask; /* used by write */
582 enum nfs3_stable_how stable; /* used by write */
583};
584
9137bdf3
AS
585struct nfs_pgio_res {
586 struct nfs4_sequence_res seq_res;
587 struct nfs_fattr * fattr;
588 __u32 count;
aabff4dd 589 __u32 op_status;
9137bdf3
AS
590 int eof; /* used by read */
591 struct nfs_writeverf * verf; /* used by write */
592 const struct nfs_server *server; /* used by write */
593
594};
595
0b7c0153
FI
596/*
597 * Arguments to the commit call.
598 */
599struct nfs_commitargs {
62ae082d 600 struct nfs4_sequence_args seq_args;
0b7c0153
FI
601 struct nfs_fh *fh;
602 __u64 offset;
603 __u32 count;
604 const u32 *bitmask;
0b7c0153
FI
605};
606
607struct nfs_commitres {
62ae082d 608 struct nfs4_sequence_res seq_res;
aabff4dd 609 __u32 op_status;
0b7c0153
FI
610 struct nfs_fattr *fattr;
611 struct nfs_writeverf *verf;
612 const struct nfs_server *server;
0b7c0153
FI
613};
614
4fdc17b2
TM
615/*
616 * Common arguments to the unlink call
617 */
618struct nfs_removeargs {
62ae082d 619 struct nfs4_sequence_args seq_args;
4fdc17b2
TM
620 const struct nfs_fh *fh;
621 struct qstr name;
4fdc17b2
TM
622};
623
624struct nfs_removeres {
62ae082d 625 struct nfs4_sequence_res seq_res;
516285eb 626 struct nfs_server *server;
d346890b 627 struct nfs_fattr *dir_attr;
4fdc17b2 628 struct nfs4_change_info cinfo;
4fdc17b2
TM
629};
630
920769f0
JL
631/*
632 * Common arguments to the rename call
633 */
634struct nfs_renameargs {
62ae082d 635 struct nfs4_sequence_args seq_args;
920769f0
JL
636 const struct nfs_fh *old_dir;
637 const struct nfs_fh *new_dir;
638 const struct qstr *old_name;
639 const struct qstr *new_name;
920769f0
JL
640};
641
e8582a8b 642struct nfs_renameres {
62ae082d 643 struct nfs4_sequence_res seq_res;
516285eb 644 struct nfs_server *server;
e8582a8b
JL
645 struct nfs4_change_info old_cinfo;
646 struct nfs_fattr *old_fattr;
647 struct nfs4_change_info new_cinfo;
648 struct nfs_fattr *new_fattr;
e8582a8b
JL
649};
650
a3f73c27 651/* parsed sec= options */
4d4b69dd 652#define NFS_AUTH_INFO_MAX_FLAVORS 12 /* see fs/nfs/super.c */
a3f73c27
WAA
653struct nfs_auth_info {
654 unsigned int flavor_len;
4d4b69dd 655 rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS];
a3f73c27
WAA
656};
657
1da177e4
LT
658/*
659 * Argument struct for decode_entry function
660 */
661struct nfs_entry {
662 __u64 ino;
663 __u64 cookie,
664 prev_cookie;
665 const char * name;
666 unsigned int len;
667 int eof;
668 struct nfs_fh * fh;
669 struct nfs_fattr * fattr;
e058f70b 670 struct nfs4_label *label;
0b26a0bf 671 unsigned char d_type;
573c4e1e 672 struct nfs_server * server;
1da177e4
LT
673};
674
675/*
676 * The following types are for NFSv2 only.
677 */
678struct nfs_sattrargs {
679 struct nfs_fh * fh;
680 struct iattr * sattr;
681};
682
683struct nfs_diropargs {
684 struct nfs_fh * fh;
685 const char * name;
686 unsigned int len;
687};
688
689struct nfs_createargs {
690 struct nfs_fh * fh;
691 const char * name;
692 unsigned int len;
693 struct iattr * sattr;
694};
695
1da177e4 696struct nfs_setattrargs {
62ae082d 697 struct nfs4_sequence_args seq_args;
1da177e4
LT
698 struct nfs_fh * fh;
699 nfs4_stateid stateid;
700 struct iattr * iap;
701 const struct nfs_server * server; /* Needed for name mapping */
702 const u32 * bitmask;
e058f70b 703 const struct nfs4_label *label;
1da177e4
LT
704};
705
23ec6965 706struct nfs_setaclargs {
62ae082d 707 struct nfs4_sequence_args seq_args;
23ec6965
BF
708 struct nfs_fh * fh;
709 size_t acl_len;
23ec6965
BF
710 struct page ** acl_pages;
711};
712
73c403a9
BH
713struct nfs_setaclres {
714 struct nfs4_sequence_res seq_res;
715};
716
029d105e 717struct nfs_getaclargs {
62ae082d 718 struct nfs4_sequence_args seq_args;
029d105e
BF
719 struct nfs_fh * fh;
720 size_t acl_len;
029d105e
BF
721 struct page ** acl_pages;
722};
723
bf118a34 724/* getxattr ACL interface flags */
1f1ea6c2 725#define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */
663c79b3 726struct nfs_getaclres {
62ae082d 727 struct nfs4_sequence_res seq_res;
663c79b3 728 size_t acl_len;
bf118a34
AA
729 size_t acl_data_offset;
730 int acl_flags;
331818f1 731 struct page * acl_scratch;
663c79b3
BH
732};
733
1da177e4 734struct nfs_setattrres {
62ae082d 735 struct nfs4_sequence_res seq_res;
1da177e4 736 struct nfs_fattr * fattr;
e058f70b 737 struct nfs4_label *label;
1da177e4
LT
738 const struct nfs_server * server;
739};
740
741struct nfs_linkargs {
742 struct nfs_fh * fromfh;
743 struct nfs_fh * tofh;
744 const char * toname;
745 unsigned int tolen;
746};
747
748struct nfs_symlinkargs {
749 struct nfs_fh * fromfh;
750 const char * fromname;
751 unsigned int fromlen;
94a6d753
CL
752 struct page ** pages;
753 unsigned int pathlen;
1da177e4
LT
754 struct iattr * sattr;
755};
756
757struct nfs_readdirargs {
758 struct nfs_fh * fh;
759 __u32 cookie;
760 unsigned int count;
761 struct page ** pages;
762};
763
b7fa0554
AG
764struct nfs3_getaclargs {
765 struct nfs_fh * fh;
766 int mask;
767 struct page ** pages;
768};
769
770struct nfs3_setaclargs {
771 struct inode * inode;
772 int mask;
773 struct posix_acl * acl_access;
774 struct posix_acl * acl_default;
ae46141f
TM
775 size_t len;
776 unsigned int npages;
b7fa0554
AG
777 struct page ** pages;
778};
779
1da177e4
LT
780struct nfs_diropok {
781 struct nfs_fh * fh;
782 struct nfs_fattr * fattr;
783};
784
785struct nfs_readlinkargs {
786 struct nfs_fh * fh;
787 unsigned int pgbase;
788 unsigned int pglen;
789 struct page ** pages;
790};
791
792struct nfs3_sattrargs {
793 struct nfs_fh * fh;
794 struct iattr * sattr;
795 unsigned int guard;
796 struct timespec guardtime;
797};
798
799struct nfs3_diropargs {
800 struct nfs_fh * fh;
801 const char * name;
802 unsigned int len;
803};
804
805struct nfs3_accessargs {
806 struct nfs_fh * fh;
807 __u32 access;
808};
809
810struct nfs3_createargs {
811 struct nfs_fh * fh;
812 const char * name;
813 unsigned int len;
814 struct iattr * sattr;
815 enum nfs3_createmode createmode;
bc4785cd 816 __be32 verifier[2];
1da177e4
LT
817};
818
819struct nfs3_mkdirargs {
820 struct nfs_fh * fh;
821 const char * name;
822 unsigned int len;
823 struct iattr * sattr;
824};
825
826struct nfs3_symlinkargs {
827 struct nfs_fh * fromfh;
828 const char * fromname;
829 unsigned int fromlen;
94a6d753
CL
830 struct page ** pages;
831 unsigned int pathlen;
1da177e4
LT
832 struct iattr * sattr;
833};
834
835struct nfs3_mknodargs {
836 struct nfs_fh * fh;
837 const char * name;
838 unsigned int len;
839 enum nfs3_ftype type;
840 struct iattr * sattr;
841 dev_t rdev;
842};
843
1da177e4
LT
844struct nfs3_linkargs {
845 struct nfs_fh * fromfh;
846 struct nfs_fh * tofh;
847 const char * toname;
848 unsigned int tolen;
849};
850
851struct nfs3_readdirargs {
852 struct nfs_fh * fh;
853 __u64 cookie;
bc4785cd 854 __be32 verf[2];
1da177e4
LT
855 int plus;
856 unsigned int count;
857 struct page ** pages;
858};
859
860struct nfs3_diropres {
861 struct nfs_fattr * dir_attr;
862 struct nfs_fh * fh;
863 struct nfs_fattr * fattr;
864};
865
866struct nfs3_accessres {
867 struct nfs_fattr * fattr;
868 __u32 access;
869};
870
871struct nfs3_readlinkargs {
872 struct nfs_fh * fh;
873 unsigned int pgbase;
874 unsigned int pglen;
875 struct page ** pages;
876};
877
1da177e4
LT
878struct nfs3_linkres {
879 struct nfs_fattr * dir_attr;
880 struct nfs_fattr * fattr;
881};
882
883struct nfs3_readdirres {
884 struct nfs_fattr * dir_attr;
bc4785cd 885 __be32 * verf;
1da177e4
LT
886 int plus;
887};
888
b7fa0554
AG
889struct nfs3_getaclres {
890 struct nfs_fattr * fattr;
891 int mask;
892 unsigned int acl_access_count;
893 unsigned int acl_default_count;
894 struct posix_acl * acl_access;
895 struct posix_acl * acl_default;
896};
897
89d77c8f 898#if IS_ENABLED(CONFIG_NFS_V4)
1da177e4
LT
899
900typedef u64 clientid4;
901
902struct nfs4_accessargs {
62ae082d 903 struct nfs4_sequence_args seq_args;
1da177e4 904 const struct nfs_fh * fh;
76b32999 905 const u32 * bitmask;
1da177e4
LT
906 u32 access;
907};
908
909struct nfs4_accessres {
62ae082d 910 struct nfs4_sequence_res seq_res;
76b32999
TM
911 const struct nfs_server * server;
912 struct nfs_fattr * fattr;
1da177e4
LT
913 u32 supported;
914 u32 access;
915};
916
917struct nfs4_create_arg {
62ae082d 918 struct nfs4_sequence_args seq_args;
1da177e4
LT
919 u32 ftype;
920 union {
94a6d753
CL
921 struct {
922 struct page ** pages;
923 unsigned int len;
924 } symlink; /* NF4LNK */
1da177e4
LT
925 struct {
926 u32 specdata1;
927 u32 specdata2;
928 } device; /* NF4BLK, NF4CHR */
929 } u;
930 const struct qstr * name;
931 const struct nfs_server * server;
932 const struct iattr * attrs;
933 const struct nfs_fh * dir_fh;
934 const u32 * bitmask;
e058f70b 935 const struct nfs4_label *label;
1da177e4
LT
936};
937
938struct nfs4_create_res {
62ae082d 939 struct nfs4_sequence_res seq_res;
1da177e4
LT
940 const struct nfs_server * server;
941 struct nfs_fh * fh;
942 struct nfs_fattr * fattr;
e058f70b 943 struct nfs4_label *label;
1da177e4
LT
944 struct nfs4_change_info dir_cinfo;
945};
946
947struct nfs4_fsinfo_arg {
62ae082d 948 struct nfs4_sequence_args seq_args;
1da177e4
LT
949 const struct nfs_fh * fh;
950 const u32 * bitmask;
951};
952
3dda5e43 953struct nfs4_fsinfo_res {
3dda5e43 954 struct nfs4_sequence_res seq_res;
62ae082d 955 struct nfs_fsinfo *fsinfo;
3dda5e43
BH
956};
957
1da177e4 958struct nfs4_getattr_arg {
62ae082d 959 struct nfs4_sequence_args seq_args;
1da177e4
LT
960 const struct nfs_fh * fh;
961 const u32 * bitmask;
962};
963
964struct nfs4_getattr_res {
62ae082d 965 struct nfs4_sequence_res seq_res;
1da177e4
LT
966 const struct nfs_server * server;
967 struct nfs_fattr * fattr;
e058f70b 968 struct nfs4_label *label;
1da177e4
LT
969};
970
971struct nfs4_link_arg {
62ae082d 972 struct nfs4_sequence_args seq_args;
1da177e4
LT
973 const struct nfs_fh * fh;
974 const struct nfs_fh * dir_fh;
975 const struct qstr * name;
91ba2eee
TM
976 const u32 * bitmask;
977};
978
979struct nfs4_link_res {
62ae082d 980 struct nfs4_sequence_res seq_res;
91ba2eee
TM
981 const struct nfs_server * server;
982 struct nfs_fattr * fattr;
e058f70b 983 struct nfs4_label *label;
91ba2eee
TM
984 struct nfs4_change_info cinfo;
985 struct nfs_fattr * dir_attr;
1da177e4
LT
986};
987
91ba2eee 988
1da177e4 989struct nfs4_lookup_arg {
62ae082d 990 struct nfs4_sequence_args seq_args;
1da177e4
LT
991 const struct nfs_fh * dir_fh;
992 const struct qstr * name;
993 const u32 * bitmask;
994};
995
996struct nfs4_lookup_res {
62ae082d 997 struct nfs4_sequence_res seq_res;
1da177e4
LT
998 const struct nfs_server * server;
999 struct nfs_fattr * fattr;
1000 struct nfs_fh * fh;
e058f70b 1001 struct nfs4_label *label;
1da177e4
LT
1002};
1003
1004struct nfs4_lookup_root_arg {
9ff71c3a 1005 struct nfs4_sequence_args seq_args;
62ae082d 1006 const u32 * bitmask;
1da177e4
LT
1007};
1008
1009struct nfs4_pathconf_arg {
62ae082d 1010 struct nfs4_sequence_args seq_args;
1da177e4
LT
1011 const struct nfs_fh * fh;
1012 const u32 * bitmask;
1013};
1014
d45b2989 1015struct nfs4_pathconf_res {
d45b2989 1016 struct nfs4_sequence_res seq_res;
62ae082d 1017 struct nfs_pathconf *pathconf;
d45b2989
BH
1018};
1019
1da177e4 1020struct nfs4_readdir_arg {
62ae082d 1021 struct nfs4_sequence_args seq_args;
1da177e4
LT
1022 const struct nfs_fh * fh;
1023 u64 cookie;
1024 nfs4_verifier verifier;
1025 u32 count;
1026 struct page ** pages; /* zero-copy data */
1027 unsigned int pgbase; /* zero-copy data */
1028 const u32 * bitmask;
82f2e547 1029 int plus;
1da177e4
LT
1030};
1031
1032struct nfs4_readdir_res {
62ae082d 1033 struct nfs4_sequence_res seq_res;
1da177e4
LT
1034 nfs4_verifier verifier;
1035 unsigned int pgbase;
1036};
1037
1038struct nfs4_readlink {
62ae082d 1039 struct nfs4_sequence_args seq_args;
1da177e4
LT
1040 const struct nfs_fh * fh;
1041 unsigned int pgbase;
1042 unsigned int pglen; /* zero-copy data */
1043 struct page ** pages; /* zero-copy data */
1044};
1045
f50c7000
BH
1046struct nfs4_readlink_res {
1047 struct nfs4_sequence_res seq_res;
1048};
1049
1da177e4 1050struct nfs4_setclientid {
cc38bac3 1051 const nfs4_verifier * sc_verifier;
cc38bac3 1052 u32 sc_prog;
1da177e4 1053 unsigned int sc_netid_len;
d1ce02e1 1054 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
1da177e4 1055 unsigned int sc_uaddr_len;
d1ce02e1 1056 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
3a6bb738 1057 struct nfs_client *sc_clnt;
f11b2a1c 1058 struct rpc_cred *sc_cred;
1da177e4
LT
1059};
1060
bb8b27e5
TM
1061struct nfs4_setclientid_res {
1062 u64 clientid;
1063 nfs4_verifier confirm;
1064};
1065
1da177e4 1066struct nfs4_statfs_arg {
62ae082d 1067 struct nfs4_sequence_args seq_args;
1da177e4
LT
1068 const struct nfs_fh * fh;
1069 const u32 * bitmask;
1070};
1071
24ad148a 1072struct nfs4_statfs_res {
24ad148a 1073 struct nfs4_sequence_res seq_res;
62ae082d 1074 struct nfs_fsstat *fsstat;
24ad148a
BH
1075};
1076
43652ad5 1077struct nfs4_server_caps_arg {
43652ad5 1078 struct nfs4_sequence_args seq_args;
62ae082d 1079 struct nfs_fh *fhandle;
8c61282f 1080 const u32 * bitmask;
43652ad5
BH
1081};
1082
1da177e4 1083struct nfs4_server_caps_res {
62ae082d 1084 struct nfs4_sequence_res seq_res;
dae100c2 1085 u32 attr_bitmask[3];
8c61282f 1086 u32 exclcreat_bitmask[3];
1da177e4
LT
1087 u32 acl_bitmask;
1088 u32 has_links;
1089 u32 has_symlinks;
264e6351 1090 u32 fh_expire_type;
1da177e4
LT
1091};
1092
7aaa0b3b
MN
1093#define NFS4_PATHNAME_MAXCOMPONENTS 512
1094struct nfs4_pathname {
1095 unsigned int ncomponents;
1096 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1097};
1098
1099#define NFS4_FS_LOCATION_MAXSERVERS 10
1100struct nfs4_fs_location {
1101 unsigned int nservers;
1102 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1103 struct nfs4_pathname rootpath;
1104};
1105
1106#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1107struct nfs4_fs_locations {
683b57b4
TM
1108 struct nfs_fattr fattr;
1109 const struct nfs_server *server;
7aaa0b3b 1110 struct nfs4_pathname fs_path;
683b57b4 1111 int nlocations;
7aaa0b3b 1112 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
683b57b4
TM
1113};
1114
1115struct nfs4_fs_locations_arg {
62ae082d 1116 struct nfs4_sequence_args seq_args;
683b57b4 1117 const struct nfs_fh *dir_fh;
b03d735b 1118 const struct nfs_fh *fh;
683b57b4
TM
1119 const struct qstr *name;
1120 struct page *page;
1121 const u32 *bitmask;
b03d735b
CL
1122 clientid4 clientid;
1123 unsigned char migration:1, renew:1;
683b57b4
TM
1124};
1125
22958463 1126struct nfs4_fs_locations_res {
22958463 1127 struct nfs4_sequence_res seq_res;
62ae082d 1128 struct nfs4_fs_locations *fs_locations;
b03d735b 1129 unsigned char migration:1, renew:1;
22958463
BH
1130};
1131
fb15b26f
CL
1132struct nfs4_secinfo4 {
1133 u32 flavor;
1134 struct rpcsec_gss_info flavor_info;
5a5ea0d4
BS
1135};
1136
1137struct nfs4_secinfo_flavors {
fb15b26f
CL
1138 unsigned int num_flavors;
1139 struct nfs4_secinfo4 flavors[0];
5a5ea0d4
BS
1140};
1141
1142struct nfs4_secinfo_arg {
62ae082d 1143 struct nfs4_sequence_args seq_args;
5a5ea0d4
BS
1144 const struct nfs_fh *dir_fh;
1145 const struct qstr *name;
5a5ea0d4
BS
1146};
1147
1148struct nfs4_secinfo_res {
5a5ea0d4 1149 struct nfs4_sequence_res seq_res;
62ae082d 1150 struct nfs4_secinfo_flavors *flavors;
5a5ea0d4
BS
1151};
1152
44c99933
CL
1153struct nfs4_fsid_present_arg {
1154 struct nfs4_sequence_args seq_args;
1155 const struct nfs_fh *fh;
1156 clientid4 clientid;
1157 unsigned char renew:1;
1158};
1159
1160struct nfs4_fsid_present_res {
1161 struct nfs4_sequence_res seq_res;
1162 struct nfs_fh *fh;
1163 unsigned char renew:1;
1164};
1165
1da177e4
LT
1166#endif /* CONFIG_NFS_V4 */
1167
99fe60d0
BH
1168struct nfstime4 {
1169 u64 seconds;
1170 u32 nseconds;
1171};
1172
1173#ifdef CONFIG_NFS_V4_1
ea2cf228
FI
1174
1175struct pnfs_commit_bucket {
1176 struct list_head written;
1177 struct list_head committing;
1178 struct pnfs_layout_segment *wlseg;
1179 struct pnfs_layout_segment *clseg;
5002c586 1180 struct nfs_writeverf direct_verf;
ea2cf228
FI
1181};
1182
1183struct pnfs_ds_commit_info {
1184 int nwritten;
1185 int ncommitting;
1186 int nbuckets;
1187 struct pnfs_commit_bucket *buckets;
1188};
1189
2031cd1a
WAA
1190#define NFS4_OP_MAP_NUM_LONGS \
1191 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long))
1192#define NFS4_OP_MAP_NUM_WORDS \
1193 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32))
1194struct nfs4_op_map {
1195 union {
1196 unsigned long longs[NFS4_OP_MAP_NUM_LONGS];
1197 u32 words[NFS4_OP_MAP_NUM_WORDS];
1198 } u;
1199};
1200
1201struct nfs41_state_protection {
1202 u32 how;
1203 struct nfs4_op_map enforce;
1204 struct nfs4_op_map allow;
1205};
1206
99fe60d0
BH
1207struct nfs41_exchange_id_args {
1208 struct nfs_client *client;
1209 nfs4_verifier *verifier;
99fe60d0 1210 u32 flags;
2031cd1a 1211 struct nfs41_state_protection state_protect;
99fe60d0
BH
1212};
1213
acdeb69d 1214struct nfs41_server_owner {
99fe60d0
BH
1215 uint64_t minor_id;
1216 uint32_t major_id_sz;
1217 char major_id[NFS4_OPAQUE_LIMIT];
1218};
1219
79d4e1f0 1220struct nfs41_server_scope {
99fe60d0
BH
1221 uint32_t server_scope_sz;
1222 char server_scope[NFS4_OPAQUE_LIMIT];
1223};
1224
7d2ed9ac
WAA
1225struct nfs41_impl_id {
1226 char domain[NFS4_OPAQUE_LIMIT + 1];
1227 char name[NFS4_OPAQUE_LIMIT + 1];
1228 struct nfstime4 date;
1229};
1230
71a097c6
TM
1231struct nfs41_bind_conn_to_session_args {
1232 struct nfs_client *client;
1233 struct nfs4_sessionid sessionid;
1234 u32 dir;
1235 bool use_conn_in_rdma_mode;
1236};
1237
7c44f1ae 1238struct nfs41_bind_conn_to_session_res {
71a097c6 1239 struct nfs4_sessionid sessionid;
7c44f1ae
WAA
1240 u32 dir;
1241 bool use_conn_in_rdma_mode;
1242};
1243
99fe60d0 1244struct nfs41_exchange_id_res {
32b01310
TM
1245 u64 clientid;
1246 u32 seqid;
99fe60d0 1247 u32 flags;
acdeb69d 1248 struct nfs41_server_owner *server_owner;
79d4e1f0 1249 struct nfs41_server_scope *server_scope;
7d2ed9ac 1250 struct nfs41_impl_id *impl_id;
2031cd1a 1251 struct nfs41_state_protection state_protect;
99fe60d0 1252};
fc931582
AA
1253
1254struct nfs41_create_session_args {
1255 struct nfs_client *client;
79969dd1
TM
1256 u64 clientid;
1257 uint32_t seqid;
fc931582
AA
1258 uint32_t flags;
1259 uint32_t cb_program;
1260 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1261 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1262};
1263
1264struct nfs41_create_session_res {
79969dd1
TM
1265 struct nfs4_sessionid sessionid;
1266 uint32_t seqid;
1267 uint32_t flags;
1268 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1269 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
fc931582 1270};
18019753
RL
1271
1272struct nfs41_reclaim_complete_args {
62ae082d 1273 struct nfs4_sequence_args seq_args;
18019753
RL
1274 /* In the future extend to include curr_fh for use with migration */
1275 unsigned char one_fs:1;
18019753
RL
1276};
1277
1278struct nfs41_reclaim_complete_res {
1279 struct nfs4_sequence_res seq_res;
1280};
fca78d6d
BS
1281
1282#define SECINFO_STYLE_CURRENT_FH 0
1283#define SECINFO_STYLE_PARENT 1
1284struct nfs41_secinfo_no_name_args {
fca78d6d 1285 struct nfs4_sequence_args seq_args;
62ae082d 1286 int style;
fca78d6d
BS
1287};
1288
7d974794 1289struct nfs41_test_stateid_args {
7d974794 1290 struct nfs4_sequence_args seq_args;
62ae082d 1291 nfs4_stateid *stateid;
7d974794
BS
1292};
1293
1294struct nfs41_test_stateid_res {
7d974794 1295 struct nfs4_sequence_res seq_res;
62ae082d 1296 unsigned int status;
7d974794
BS
1297};
1298
9aeda35f 1299struct nfs41_free_stateid_args {
9aeda35f 1300 struct nfs4_sequence_args seq_args;
7c1d5fae 1301 nfs4_stateid stateid;
9aeda35f
BS
1302};
1303
1304struct nfs41_free_stateid_res {
9aeda35f 1305 struct nfs4_sequence_res seq_res;
62ae082d 1306 unsigned int status;
9aeda35f
BS
1307};
1308
8c393f9a
PT
1309static inline void
1310nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
1311{
1312 kfree(cinfo->buckets);
1313}
1314
4f97615d
TM
1315#else
1316
1317struct pnfs_ds_commit_info {
1318};
1319
8c393f9a
PT
1320static inline void
1321nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
1322{
1323}
1324
99fe60d0
BH
1325#endif /* CONFIG_NFS_V4_1 */
1326
1c6dcbe5 1327#ifdef CONFIG_NFS_V4_2
f4ac1674
AS
1328struct nfs42_falloc_args {
1329 struct nfs4_sequence_args seq_args;
1330
1331 struct nfs_fh *falloc_fh;
1332 nfs4_stateid falloc_stateid;
1333 u64 falloc_offset;
1334 u64 falloc_length;
9a51940b 1335 const u32 *falloc_bitmask;
f4ac1674
AS
1336};
1337
1338struct nfs42_falloc_res {
1339 struct nfs4_sequence_res seq_res;
1340 unsigned int status;
9a51940b
AS
1341
1342 struct nfs_fattr *falloc_fattr;
1343 const struct nfs_server *falloc_server;
f4ac1674
AS
1344};
1345
1c6dcbe5
AS
1346struct nfs42_seek_args {
1347 struct nfs4_sequence_args seq_args;
1348
1349 struct nfs_fh *sa_fh;
1350 nfs4_stateid sa_stateid;
1351 u64 sa_offset;
1352 u32 sa_what;
1353};
1354
1355struct nfs42_seek_res {
1356 struct nfs4_sequence_res seq_res;
1357 unsigned int status;
1358
1359 u32 sr_eof;
1360 u64 sr_offset;
1361};
1362#endif
1363
1da177e4
LT
1364struct nfs_page;
1365
40859d7e
CL
1366#define NFS_PAGEVEC_SIZE (8U)
1367
30dd374f
FI
1368struct nfs_page_array {
1369 struct page **pagevec;
1370 unsigned int npages; /* Max length of pagevec */
1371 struct page *page_array[NFS_PAGEVEC_SIZE];
1372};
1373
4db6e0b7
FI
1374/* used as flag bits in nfs_pgio_header */
1375enum {
1376 NFS_IOHDR_ERROR = 0,
1377 NFS_IOHDR_EOF,
1378 NFS_IOHDR_REDO,
37e9ed22 1379 NFS_IOHDR_STAT,
4db6e0b7
FI
1380};
1381
cd841605
FI
1382struct nfs_pgio_header {
1383 struct inode *inode;
1384 struct rpc_cred *cred;
1385 struct list_head pages;
1386 struct nfs_page *req;
f79d06f5 1387 struct nfs_writeverf verf; /* Used for writes */
cd841605 1388 struct pnfs_layout_segment *lseg;
4db6e0b7 1389 loff_t io_start;
cd841605 1390 const struct rpc_call_ops *mds_ops;
4db6e0b7 1391 void (*release) (struct nfs_pgio_header *hdr);
061ae2ed 1392 const struct nfs_pgio_completion_ops *completion_ops;
4a0de55c 1393 const struct nfs_rw_ops *rw_ops;
584aa810 1394 struct nfs_direct_req *dreq;
f6166384 1395 void *layout_private;
4db6e0b7
FI
1396 spinlock_t lock;
1397 /* fields protected by lock */
cd841605 1398 int pnfs_error;
4db6e0b7
FI
1399 int error; /* merge with pnfs_error */
1400 unsigned long good_bytes; /* boundary of good data */
1401 unsigned long flags;
d45f60c6
WAA
1402
1403 /*
1404 * rpc data
1405 */
1406 struct rpc_task task;
1407 struct nfs_fattr fattr;
d45f60c6
WAA
1408 struct nfs_pgio_args args; /* argument struct */
1409 struct nfs_pgio_res res; /* result struct */
1410 unsigned long timestamp; /* For lease renewal */
1411 int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *);
1412 __u64 mds_offset; /* Filelayout dense stripe */
1413 struct nfs_page_array page_array;
1414 struct nfs_client *ds_clp; /* pNFS data server */
6cccbb6f 1415 int ds_commit_idx; /* ds index if ds_clp is set */
a7d42ddb 1416 int pgio_mirror_idx;/* mirror index in pgio layer */
cd841605
FI
1417};
1418
ea2cf228
FI
1419struct nfs_mds_commit_info {
1420 atomic_t rpcs_out;
1421 unsigned long ncommit;
1422 struct list_head list;
1423};
1424
b20135d0 1425struct nfs_commit_info;
f453a54a
FI
1426struct nfs_commit_data;
1427struct nfs_inode;
1428struct nfs_commit_completion_ops {
f453a54a 1429 void (*completion) (struct nfs_commit_data *data);
b20135d0 1430 void (*resched_write) (struct nfs_commit_info *, struct nfs_page *);
f453a54a
FI
1431};
1432
ea2cf228 1433struct nfs_commit_info {
fe238e60 1434 struct inode *inode; /* Needed for inode->i_lock */
ea2cf228
FI
1435 struct nfs_mds_commit_info *mds;
1436 struct pnfs_ds_commit_info *ds;
b359f9d0 1437 struct nfs_direct_req *dreq; /* O_DIRECT request */
f453a54a 1438 const struct nfs_commit_completion_ops *completion_ops;
ea2cf228
FI
1439};
1440
0b7c0153
FI
1441struct nfs_commit_data {
1442 struct rpc_task task;
1443 struct inode *inode;
1444 struct rpc_cred *cred;
1445 struct nfs_fattr fattr;
1446 struct nfs_writeverf verf;
1447 struct list_head pages; /* Coalesced requests we wish to flush */
1448 struct list_head list; /* lists of struct nfs_write_data */
1449 struct nfs_direct_req *dreq; /* O_DIRECT request */
1450 struct nfs_commitargs args; /* argument struct */
1451 struct nfs_commitres res; /* result struct */
1452 struct nfs_open_context *context;
1453 struct pnfs_layout_segment *lseg;
1454 struct nfs_client *ds_clp; /* pNFS data server */
1455 int ds_commit_index;
378520b8 1456 loff_t lwb;
0b7c0153 1457 const struct rpc_call_ops *mds_ops;
f453a54a 1458 const struct nfs_commit_completion_ops *completion_ops;
0b7c0153 1459 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
37e9ed22 1460 unsigned long flags;
0b7c0153
FI
1461};
1462
061ae2ed
FI
1463struct nfs_pgio_completion_ops {
1464 void (*error_cleanup)(struct list_head *head);
584aa810 1465 void (*init_hdr)(struct nfs_pgio_header *hdr);
061ae2ed 1466 void (*completion)(struct nfs_pgio_header *hdr);
dc602dd7 1467 void (*reschedule_io)(struct nfs_pgio_header *hdr);
061ae2ed
FI
1468};
1469
34e137cc
BS
1470struct nfs_unlinkdata {
1471 struct hlist_node list;
1472 struct nfs_removeargs args;
1473 struct nfs_removeres res;
1474 struct inode *dir;
1475 struct rpc_cred *cred;
1476 struct nfs_fattr dir_attr;
8478eaa1 1477 long timeout;
34e137cc
BS
1478};
1479
c6bfa1a1
BS
1480struct nfs_renamedata {
1481 struct nfs_renameargs args;
1482 struct nfs_renameres res;
1483 struct rpc_cred *cred;
1484 struct inode *old_dir;
1485 struct dentry *old_dentry;
1486 struct nfs_fattr old_fattr;
1487 struct inode *new_dir;
1488 struct dentry *new_dentry;
1489 struct nfs_fattr new_fattr;
96f9d8c0 1490 void (*complete)(struct rpc_task *, struct nfs_renamedata *);
8478eaa1 1491 long timeout;
c6bfa1a1
BS
1492};
1493
1da177e4 1494struct nfs_access_entry;
45a52a02 1495struct nfs_client;
e0dca7a0 1496struct rpc_timeout;
ff9099f2
BS
1497struct nfs_subversion;
1498struct nfs_mount_info;
6663ee7f 1499struct nfs_client_initdata;
1abb5088 1500struct nfs_pageio_descriptor;
1da177e4
LT
1501
1502/*
1503 * RPC procedure vector for NFSv2/NFSv3 demuxing
1504 */
1505struct nfs_rpc_ops {
c0e07cb6 1506 u32 version; /* Protocol version */
f786aa90 1507 const struct dentry_operations *dentry_ops;
c5ef1c42
AV
1508 const struct inode_operations *dir_inode_ops;
1509 const struct inode_operations *file_inode_ops;
1788ea6e 1510 const struct file_operations *file_ops;
1da177e4
LT
1511
1512 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1513 struct nfs_fsinfo *);
281cad46
BS
1514 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1515 struct nfs_fh *, struct nfs_fattr *);
ff9099f2
BS
1516 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1517 struct nfs_subversion *);
1da177e4 1518 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1775fd3e 1519 struct nfs_fattr *, struct nfs4_label *);
1da177e4
LT
1520 int (*setattr) (struct dentry *, struct nfs_fattr *,
1521 struct iattr *);
80a16b21 1522 int (*lookup) (struct inode *, struct qstr *,
1775fd3e
DQ
1523 struct nfs_fh *, struct nfs_fattr *,
1524 struct nfs4_label *);
1da177e4
LT
1525 int (*access) (struct inode *, struct nfs_access_entry *);
1526 int (*readlink)(struct inode *, struct page *, unsigned int,
1527 unsigned int);
1da177e4 1528 int (*create) (struct inode *, struct dentry *,
8867fe58 1529 struct iattr *, int);
1da177e4 1530 int (*remove) (struct inode *, struct qstr *);
e4eff1a6 1531 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
34e137cc 1532 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
e4eff1a6 1533 int (*unlink_done) (struct rpc_task *, struct inode *);
d3d4152a 1534 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
c6bfa1a1 1535 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
d3d4152a 1536 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1da177e4 1537 int (*link) (struct inode *, struct inode *, struct qstr *);
94a6d753
CL
1538 int (*symlink) (struct inode *, struct dentry *, struct page *,
1539 unsigned int, struct iattr *);
1da177e4
LT
1540 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1541 int (*rmdir) (struct inode *, struct qstr *);
1542 int (*readdir) (struct dentry *, struct rpc_cred *,
56e4ebf8 1543 u64, struct page **, unsigned int, int);
1da177e4
LT
1544 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1545 dev_t);
1546 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1547 struct nfs_fsstat *);
1548 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1549 struct nfs_fsinfo *);
1550 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1551 struct nfs_pathconf *);
e9326dca 1552 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
573c4e1e 1553 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
d45f60c6
WAA
1554 int (*pgio_rpc_prepare)(struct rpc_task *,
1555 struct nfs_pgio_header *);
1556 void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);
1557 int (*read_done)(struct rpc_task *, struct nfs_pgio_header *);
1558 void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *);
1559 int (*write_done)(struct rpc_task *, struct nfs_pgio_header *);
0b7c0153
FI
1560 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1561 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1562 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1da177e4 1563 int (*lock)(struct file *, int, struct file_lock *);
2116271a 1564 int (*lock_check_bounds)(const struct file_lock *);
ada70d94 1565 void (*clear_acl_cache)(struct inode *);
7fe5c398 1566 void (*close_context)(struct nfs_open_context *ctx, int);
2b484297
TM
1567 struct inode * (*open_context) (struct inode *dir,
1568 struct nfs_open_context *ctx,
1569 int open_flags,
5bc2afc2
TM
1570 struct iattr *iattr,
1571 int *);
011e2a7f 1572 int (*have_delegation)(struct inode *, fmode_t);
57ec14c5 1573 int (*return_delegation)(struct inode *);
6663ee7f 1574 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
8cab4c39
CL
1575 struct nfs_client *
1576 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
f8407299 1577 const char *);
cdb7eced 1578 void (*free_client) (struct nfs_client *);
1179acc6
BS
1579 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1580 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1581 struct nfs_fattr *, rpc_authflavor_t);
1da177e4
LT
1582};
1583
1584/*
1585 * NFS_CALL(getattr, inode, (fattr));
1586 * into
1587 * NFS_PROTO(inode)->getattr(fattr);
1588 */
1589#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1590
1591/*
1592 * Function vectors etc. for the NFS client
1593 */
509de811
DH
1594extern const struct nfs_rpc_ops nfs_v2_clientops;
1595extern const struct nfs_rpc_ops nfs_v3_clientops;
1596extern const struct nfs_rpc_ops nfs_v4_clientops;
a613fa16
TM
1597extern const struct rpc_version nfs_version2;
1598extern const struct rpc_version nfs_version3;
1599extern const struct rpc_version nfs_version4;
1da177e4 1600
a613fa16
TM
1601extern const struct rpc_version nfsacl_version3;
1602extern const struct rpc_program nfsacl_program;
b7fa0554 1603
1da177e4 1604#endif