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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 */
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;
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;
4e590803 258 __u32 notify_types;
b1f69b75
AA
259};
260
261struct nfs4_getdeviceinfo_res {
b1f69b75 262 struct nfs4_sequence_res seq_res;
62ae082d 263 struct pnfs_device *pdev;
4e590803 264 __u32 notification;
b1f69b75
AA
265};
266
863a3c6c 267struct nfs4_layoutcommit_args {
62ae082d 268 struct nfs4_sequence_args seq_args;
863a3c6c
AA
269 nfs4_stateid stateid;
270 __u64 lastbytewritten;
271 struct inode *inode;
272 const u32 *bitmask;
5f919c9f
CH
273 size_t layoutupdate_len;
274 struct page *layoutupdate_page;
275 struct page **layoutupdate_pages;
c8975706 276 __be32 *start_p;
863a3c6c
AA
277};
278
279struct nfs4_layoutcommit_res {
62ae082d 280 struct nfs4_sequence_res seq_res;
863a3c6c
AA
281 struct nfs_fattr *fattr;
282 const struct nfs_server *server;
db29c089 283 int status;
863a3c6c
AA
284};
285
286struct nfs4_layoutcommit_data {
287 struct rpc_task task;
288 struct nfs_fattr fattr;
a9bae566 289 struct list_head lseg_list;
863a3c6c 290 struct rpc_cred *cred;
472e2594 291 struct inode *inode;
863a3c6c
AA
292 struct nfs4_layoutcommit_args args;
293 struct nfs4_layoutcommit_res res;
294};
295
cbe82603 296struct nfs4_layoutreturn_args {
62ae082d 297 struct nfs4_sequence_args seq_args;
a56aaa02 298 struct pnfs_layout_hdr *layout;
cbe82603 299 struct inode *inode;
15eb67c1 300 struct pnfs_layout_range range;
cbe82603 301 nfs4_stateid stateid;
a56aaa02 302 __u32 layout_type;
cbe82603
BH
303};
304
305struct nfs4_layoutreturn_res {
306 struct nfs4_sequence_res seq_res;
307 u32 lrs_present;
308 nfs4_stateid stateid;
309};
310
311struct nfs4_layoutreturn {
312 struct nfs4_layoutreturn_args args;
313 struct nfs4_layoutreturn_res res;
314 struct rpc_cred *cred;
315 struct nfs_client *clp;
5a0ec8ac 316 struct inode *inode;
cbe82603
BH
317 int rpc_status;
318};
319
be3a5d23
TM
320#define PNFS_LAYOUTSTATS_MAXSIZE 256
321
322struct nfs42_layoutstat_args;
323struct nfs42_layoutstat_devinfo;
324typedef void (*layoutstats_encode_t)(struct xdr_stream *,
325 struct nfs42_layoutstat_args *,
326 struct nfs42_layoutstat_devinfo *);
327
328/* Per file per deviceid layoutstats */
329struct nfs42_layoutstat_devinfo {
330 struct nfs4_deviceid dev_id;
331 __u64 offset;
332 __u64 length;
333 __u64 read_count;
334 __u64 read_bytes;
335 __u64 write_count;
336 __u64 write_bytes;
337 __u32 layout_type;
338 layoutstats_encode_t layoutstats_encode;
339 void *layout_private;
340};
341
342struct nfs42_layoutstat_args {
343 struct nfs4_sequence_args seq_args;
344 struct nfs_fh *fh;
345 struct inode *inode;
346 nfs4_stateid stateid;
347 int num_dev;
348 struct nfs42_layoutstat_devinfo *devinfo;
349};
350
351struct nfs42_layoutstat_res {
352 struct nfs4_sequence_res seq_res;
353 int num_dev;
354 int rpc_status;
355};
356
357struct nfs42_layoutstat_data {
358 struct inode *inode;
359 struct nfs42_layoutstat_args args;
360 struct nfs42_layoutstat_res res;
361};
362
36022770
PT
363struct nfs42_clone_args {
364 struct nfs4_sequence_args seq_args;
365 struct nfs_fh *src_fh;
366 struct nfs_fh *dst_fh;
367 nfs4_stateid src_stateid;
368 nfs4_stateid dst_stateid;
369 __u64 src_offset;
370 __u64 dst_offset;
371 __u64 count;
372 const u32 *dst_bitmask;
373};
374
375struct nfs42_clone_res {
376 struct nfs4_sequence_res seq_res;
377 unsigned int rpc_status;
378 struct nfs_fattr *dst_fattr;
379 const struct nfs_server *server;
380};
381
95b72eb0
TM
382struct stateowner_id {
383 __u64 create_time;
384 __u32 uniquifier;
385};
386
1da177e4
LT
387/*
388 * Arguments to the open call.
389 */
390struct nfs_openargs {
62ae082d 391 struct nfs4_sequence_args seq_args;
1da177e4 392 const struct nfs_fh * fh;
cee54fc9 393 struct nfs_seqid * seqid;
1da177e4 394 int open_flags;
dc0b027d 395 fmode_t fmode;
6ae37339 396 u32 share_access;
6168f62c 397 u32 access;
1da177e4 398 __u64 clientid;
95b72eb0 399 struct stateowner_id id;
1da177e4 400 union {
d77d76ff 401 struct {
5334c5bd 402 struct iattr * attrs; /* UNCHECKED, GUARDED, EXCLUSIVE4_1 */
d77d76ff
TM
403 nfs4_verifier verifier; /* EXCLUSIVE */
404 };
1da177e4 405 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
bd7bf9d5 406 fmode_t delegation_type; /* CLAIM_PREVIOUS */
1da177e4
LT
407 } u;
408 const struct qstr * name;
409 const struct nfs_server *server; /* Needed for ID mapping */
410 const u32 * bitmask;
1549210f 411 const u32 * open_bitmap;
2a606188 412 enum open_claim_type4 claim;
549b19cc 413 enum createmode4 createmode;
e058f70b 414 const struct nfs4_label *label;
1da177e4
LT
415};
416
417struct nfs_openres {
62ae082d 418 struct nfs4_sequence_res seq_res;
1da177e4
LT
419 nfs4_stateid stateid;
420 struct nfs_fh fh;
421 struct nfs4_change_info cinfo;
422 __u32 rflags;
423 struct nfs_fattr * f_attr;
e058f70b 424 struct nfs4_label *f_label;
c1d51931 425 struct nfs_seqid * seqid;
1da177e4 426 const struct nfs_server *server;
bd7bf9d5 427 fmode_t delegation_type;
1da177e4 428 nfs4_stateid delegation;
7d160a6c 429 unsigned long pagemod_limit;
1da177e4 430 __u32 do_recall;
aa53ed54 431 __u32 attrset[NFS4_BITMAP_SIZE];
6926afd1
TM
432 struct nfs4_string *owner;
433 struct nfs4_string *group_owner;
ae2bb032 434 __u32 access_request;
6168f62c
WAA
435 __u32 access_supported;
436 __u32 access_result;
1da177e4
LT
437};
438
439/*
440 * Arguments to the open_confirm call.
441 */
442struct nfs_open_confirmargs {
17ead6c8 443 struct nfs4_sequence_args seq_args;
1da177e4 444 const struct nfs_fh * fh;
cdd4e68b 445 nfs4_stateid * stateid;
cee54fc9 446 struct nfs_seqid * seqid;
1da177e4
LT
447};
448
449struct nfs_open_confirmres {
17ead6c8 450 struct nfs4_sequence_res seq_res;
1da177e4 451 nfs4_stateid stateid;
c1d51931 452 struct nfs_seqid * seqid;
1da177e4
LT
453};
454
455/*
456 * Arguments to the close call.
457 */
458struct nfs_closeargs {
62ae082d 459 struct nfs4_sequence_args seq_args;
1da177e4 460 struct nfs_fh * fh;
566fcec6 461 nfs4_stateid stateid;
cee54fc9 462 struct nfs_seqid * seqid;
dc0b027d 463 fmode_t fmode;
6ae37339 464 u32 share_access;
516a6af6 465 const u32 * bitmask;
1da177e4
LT
466};
467
468struct nfs_closeres {
62ae082d 469 struct nfs4_sequence_res seq_res;
1da177e4 470 nfs4_stateid stateid;
516a6af6 471 struct nfs_fattr * fattr;
c1d51931 472 struct nfs_seqid * seqid;
516a6af6 473 const struct nfs_server *server;
1da177e4
LT
474};
475/*
476 * * Arguments to the lock,lockt, and locku call.
477 * */
478struct nfs_lowner {
911d1aaf 479 __u64 clientid;
9f958ab8 480 __u64 id;
d035c36c 481 dev_t s_dev;
1da177e4
LT
482};
483
911d1aaf 484struct nfs_lock_args {
62ae082d 485 struct nfs4_sequence_args seq_args;
911d1aaf
TM
486 struct nfs_fh * fh;
487 struct file_lock * fl;
cee54fc9 488 struct nfs_seqid * lock_seqid;
425c1d4e 489 nfs4_stateid lock_stateid;
06735b34 490 struct nfs_seqid * open_seqid;
425c1d4e 491 nfs4_stateid open_stateid;
911d1aaf
TM
492 struct nfs_lowner lock_owner;
493 unsigned char block : 1;
494 unsigned char reclaim : 1;
c69899a1 495 unsigned char new_lock : 1;
911d1aaf
TM
496 unsigned char new_lock_owner : 1;
497};
498
499struct nfs_lock_res {
62ae082d 500 struct nfs4_sequence_res seq_res;
c1d51931
TM
501 nfs4_stateid stateid;
502 struct nfs_seqid * lock_seqid;
503 struct nfs_seqid * open_seqid;
1da177e4
LT
504};
505
911d1aaf 506struct nfs_locku_args {
62ae082d 507 struct nfs4_sequence_args seq_args;
911d1aaf
TM
508 struct nfs_fh * fh;
509 struct file_lock * fl;
cee54fc9 510 struct nfs_seqid * seqid;
425c1d4e 511 nfs4_stateid stateid;
1da177e4
LT
512};
513
911d1aaf 514struct nfs_locku_res {
62ae082d 515 struct nfs4_sequence_res seq_res;
c1d51931
TM
516 nfs4_stateid stateid;
517 struct nfs_seqid * seqid;
1da177e4
LT
518};
519
911d1aaf 520struct nfs_lockt_args {
62ae082d 521 struct nfs4_sequence_args seq_args;
911d1aaf
TM
522 struct nfs_fh * fh;
523 struct file_lock * fl;
524 struct nfs_lowner lock_owner;
1da177e4
LT
525};
526
911d1aaf 527struct nfs_lockt_res {
9ff71c3a 528 struct nfs4_sequence_res seq_res;
62ae082d 529 struct file_lock * denied; /* LOCK, LOCKT failed */
1da177e4
LT
530};
531
d3c7b7cc 532struct nfs_release_lockowner_args {
b7e63a10 533 struct nfs4_sequence_args seq_args;
d3c7b7cc
TM
534 struct nfs_lowner lock_owner;
535};
536
b7e63a10
TM
537struct nfs_release_lockowner_res {
538 struct nfs4_sequence_res seq_res;
539};
540
1da177e4 541struct nfs4_delegreturnargs {
62ae082d 542 struct nfs4_sequence_args seq_args;
1da177e4
LT
543 const struct nfs_fh *fhandle;
544 const nfs4_stateid *stateid;
fa178f29
TM
545 const u32 * bitmask;
546};
547
548struct nfs4_delegreturnres {
62ae082d 549 struct nfs4_sequence_res seq_res;
fa178f29 550 struct nfs_fattr * fattr;
516285eb 551 struct nfs_server *server;
1da177e4
LT
552};
553
1da177e4
LT
554/*
555 * Arguments to the write call.
556 */
2f2c63bc
TM
557struct nfs_write_verifier {
558 char data[8];
559};
560
1da177e4 561struct nfs_writeverf {
2f2c63bc 562 struct nfs_write_verifier verifier;
1da177e4 563 enum nfs3_stable_how committed;
1da177e4
LT
564};
565
3c6b899c
AS
566/*
567 * Arguments shared by the read and write call.
568 */
569struct nfs_pgio_args {
570 struct nfs4_sequence_args seq_args;
571 struct nfs_fh * fh;
572 struct nfs_open_context *context;
573 struct nfs_lock_context *lock_context;
574 nfs4_stateid stateid;
575 __u64 offset;
576 __u32 count;
577 unsigned int pgbase;
578 struct page ** pages;
579 const u32 * bitmask; /* used by write */
580 enum nfs3_stable_how stable; /* used by write */
581};
582
9137bdf3
AS
583struct nfs_pgio_res {
584 struct nfs4_sequence_res seq_res;
585 struct nfs_fattr * fattr;
586 __u32 count;
aabff4dd 587 __u32 op_status;
9137bdf3
AS
588 int eof; /* used by read */
589 struct nfs_writeverf * verf; /* used by write */
590 const struct nfs_server *server; /* used by write */
591
592};
593
0b7c0153
FI
594/*
595 * Arguments to the commit call.
596 */
597struct nfs_commitargs {
62ae082d 598 struct nfs4_sequence_args seq_args;
0b7c0153
FI
599 struct nfs_fh *fh;
600 __u64 offset;
601 __u32 count;
602 const u32 *bitmask;
0b7c0153
FI
603};
604
605struct nfs_commitres {
62ae082d 606 struct nfs4_sequence_res seq_res;
aabff4dd 607 __u32 op_status;
0b7c0153
FI
608 struct nfs_fattr *fattr;
609 struct nfs_writeverf *verf;
610 const struct nfs_server *server;
0b7c0153
FI
611};
612
4fdc17b2
TM
613/*
614 * Common arguments to the unlink call
615 */
616struct nfs_removeargs {
62ae082d 617 struct nfs4_sequence_args seq_args;
4fdc17b2
TM
618 const struct nfs_fh *fh;
619 struct qstr name;
4fdc17b2
TM
620};
621
622struct nfs_removeres {
62ae082d 623 struct nfs4_sequence_res seq_res;
516285eb 624 struct nfs_server *server;
d346890b 625 struct nfs_fattr *dir_attr;
4fdc17b2 626 struct nfs4_change_info cinfo;
4fdc17b2
TM
627};
628
920769f0
JL
629/*
630 * Common arguments to the rename call
631 */
632struct nfs_renameargs {
62ae082d 633 struct nfs4_sequence_args seq_args;
920769f0
JL
634 const struct nfs_fh *old_dir;
635 const struct nfs_fh *new_dir;
636 const struct qstr *old_name;
637 const struct qstr *new_name;
920769f0
JL
638};
639
e8582a8b 640struct nfs_renameres {
62ae082d 641 struct nfs4_sequence_res seq_res;
516285eb 642 struct nfs_server *server;
e8582a8b
JL
643 struct nfs4_change_info old_cinfo;
644 struct nfs_fattr *old_fattr;
645 struct nfs4_change_info new_cinfo;
646 struct nfs_fattr *new_fattr;
e8582a8b
JL
647};
648
a3f73c27 649/* parsed sec= options */
4d4b69dd 650#define NFS_AUTH_INFO_MAX_FLAVORS 12 /* see fs/nfs/super.c */
a3f73c27
WAA
651struct nfs_auth_info {
652 unsigned int flavor_len;
4d4b69dd 653 rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS];
a3f73c27
WAA
654};
655
1da177e4
LT
656/*
657 * Argument struct for decode_entry function
658 */
659struct nfs_entry {
660 __u64 ino;
661 __u64 cookie,
662 prev_cookie;
663 const char * name;
664 unsigned int len;
665 int eof;
666 struct nfs_fh * fh;
667 struct nfs_fattr * fattr;
e058f70b 668 struct nfs4_label *label;
0b26a0bf 669 unsigned char d_type;
573c4e1e 670 struct nfs_server * server;
1da177e4
LT
671};
672
673/*
674 * The following types are for NFSv2 only.
675 */
676struct nfs_sattrargs {
677 struct nfs_fh * fh;
678 struct iattr * sattr;
679};
680
681struct nfs_diropargs {
682 struct nfs_fh * fh;
683 const char * name;
684 unsigned int len;
685};
686
687struct nfs_createargs {
688 struct nfs_fh * fh;
689 const char * name;
690 unsigned int len;
691 struct iattr * sattr;
692};
693
1da177e4 694struct nfs_setattrargs {
62ae082d 695 struct nfs4_sequence_args seq_args;
1da177e4
LT
696 struct nfs_fh * fh;
697 nfs4_stateid stateid;
698 struct iattr * iap;
699 const struct nfs_server * server; /* Needed for name mapping */
700 const u32 * bitmask;
e058f70b 701 const struct nfs4_label *label;
1da177e4
LT
702};
703
23ec6965 704struct nfs_setaclargs {
62ae082d 705 struct nfs4_sequence_args seq_args;
23ec6965
BF
706 struct nfs_fh * fh;
707 size_t acl_len;
23ec6965
BF
708 struct page ** acl_pages;
709};
710
73c403a9
BH
711struct nfs_setaclres {
712 struct nfs4_sequence_res seq_res;
713};
714
029d105e 715struct nfs_getaclargs {
62ae082d 716 struct nfs4_sequence_args seq_args;
029d105e
BF
717 struct nfs_fh * fh;
718 size_t acl_len;
029d105e
BF
719 struct page ** acl_pages;
720};
721
bf118a34 722/* getxattr ACL interface flags */
1f1ea6c2 723#define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */
663c79b3 724struct nfs_getaclres {
62ae082d 725 struct nfs4_sequence_res seq_res;
663c79b3 726 size_t acl_len;
bf118a34
AA
727 size_t acl_data_offset;
728 int acl_flags;
331818f1 729 struct page * acl_scratch;
663c79b3
BH
730};
731
1da177e4 732struct nfs_setattrres {
62ae082d 733 struct nfs4_sequence_res seq_res;
1da177e4 734 struct nfs_fattr * fattr;
e058f70b 735 struct nfs4_label *label;
1da177e4
LT
736 const struct nfs_server * server;
737};
738
739struct nfs_linkargs {
740 struct nfs_fh * fromfh;
741 struct nfs_fh * tofh;
742 const char * toname;
743 unsigned int tolen;
744};
745
746struct nfs_symlinkargs {
747 struct nfs_fh * fromfh;
748 const char * fromname;
749 unsigned int fromlen;
94a6d753
CL
750 struct page ** pages;
751 unsigned int pathlen;
1da177e4
LT
752 struct iattr * sattr;
753};
754
755struct nfs_readdirargs {
756 struct nfs_fh * fh;
757 __u32 cookie;
758 unsigned int count;
759 struct page ** pages;
760};
761
b7fa0554
AG
762struct nfs3_getaclargs {
763 struct nfs_fh * fh;
764 int mask;
765 struct page ** pages;
766};
767
768struct nfs3_setaclargs {
769 struct inode * inode;
770 int mask;
771 struct posix_acl * acl_access;
772 struct posix_acl * acl_default;
ae46141f
TM
773 size_t len;
774 unsigned int npages;
b7fa0554
AG
775 struct page ** pages;
776};
777
1da177e4
LT
778struct nfs_diropok {
779 struct nfs_fh * fh;
780 struct nfs_fattr * fattr;
781};
782
783struct nfs_readlinkargs {
784 struct nfs_fh * fh;
785 unsigned int pgbase;
786 unsigned int pglen;
787 struct page ** pages;
788};
789
790struct nfs3_sattrargs {
791 struct nfs_fh * fh;
792 struct iattr * sattr;
793 unsigned int guard;
794 struct timespec guardtime;
795};
796
797struct nfs3_diropargs {
798 struct nfs_fh * fh;
799 const char * name;
800 unsigned int len;
801};
802
803struct nfs3_accessargs {
804 struct nfs_fh * fh;
805 __u32 access;
806};
807
808struct nfs3_createargs {
809 struct nfs_fh * fh;
810 const char * name;
811 unsigned int len;
812 struct iattr * sattr;
813 enum nfs3_createmode createmode;
bc4785cd 814 __be32 verifier[2];
1da177e4
LT
815};
816
817struct nfs3_mkdirargs {
818 struct nfs_fh * fh;
819 const char * name;
820 unsigned int len;
821 struct iattr * sattr;
822};
823
824struct nfs3_symlinkargs {
825 struct nfs_fh * fromfh;
826 const char * fromname;
827 unsigned int fromlen;
94a6d753
CL
828 struct page ** pages;
829 unsigned int pathlen;
1da177e4
LT
830 struct iattr * sattr;
831};
832
833struct nfs3_mknodargs {
834 struct nfs_fh * fh;
835 const char * name;
836 unsigned int len;
837 enum nfs3_ftype type;
838 struct iattr * sattr;
839 dev_t rdev;
840};
841
1da177e4
LT
842struct nfs3_linkargs {
843 struct nfs_fh * fromfh;
844 struct nfs_fh * tofh;
845 const char * toname;
846 unsigned int tolen;
847};
848
849struct nfs3_readdirargs {
850 struct nfs_fh * fh;
851 __u64 cookie;
bc4785cd 852 __be32 verf[2];
1da177e4
LT
853 int plus;
854 unsigned int count;
855 struct page ** pages;
856};
857
858struct nfs3_diropres {
859 struct nfs_fattr * dir_attr;
860 struct nfs_fh * fh;
861 struct nfs_fattr * fattr;
862};
863
864struct nfs3_accessres {
865 struct nfs_fattr * fattr;
866 __u32 access;
867};
868
869struct nfs3_readlinkargs {
870 struct nfs_fh * fh;
871 unsigned int pgbase;
872 unsigned int pglen;
873 struct page ** pages;
874};
875
1da177e4
LT
876struct nfs3_linkres {
877 struct nfs_fattr * dir_attr;
878 struct nfs_fattr * fattr;
879};
880
881struct nfs3_readdirres {
882 struct nfs_fattr * dir_attr;
bc4785cd 883 __be32 * verf;
1da177e4
LT
884 int plus;
885};
886
b7fa0554
AG
887struct nfs3_getaclres {
888 struct nfs_fattr * fattr;
889 int mask;
890 unsigned int acl_access_count;
891 unsigned int acl_default_count;
892 struct posix_acl * acl_access;
893 struct posix_acl * acl_default;
894};
895
89d77c8f 896#if IS_ENABLED(CONFIG_NFS_V4)
1da177e4
LT
897
898typedef u64 clientid4;
899
900struct nfs4_accessargs {
62ae082d 901 struct nfs4_sequence_args seq_args;
1da177e4 902 const struct nfs_fh * fh;
76b32999 903 const u32 * bitmask;
1da177e4
LT
904 u32 access;
905};
906
907struct nfs4_accessres {
62ae082d 908 struct nfs4_sequence_res seq_res;
76b32999
TM
909 const struct nfs_server * server;
910 struct nfs_fattr * fattr;
1da177e4
LT
911 u32 supported;
912 u32 access;
913};
914
915struct nfs4_create_arg {
62ae082d 916 struct nfs4_sequence_args seq_args;
1da177e4
LT
917 u32 ftype;
918 union {
94a6d753
CL
919 struct {
920 struct page ** pages;
921 unsigned int len;
922 } symlink; /* NF4LNK */
1da177e4
LT
923 struct {
924 u32 specdata1;
925 u32 specdata2;
926 } device; /* NF4BLK, NF4CHR */
927 } u;
928 const struct qstr * name;
929 const struct nfs_server * server;
930 const struct iattr * attrs;
931 const struct nfs_fh * dir_fh;
932 const u32 * bitmask;
e058f70b 933 const struct nfs4_label *label;
1da177e4
LT
934};
935
936struct nfs4_create_res {
62ae082d 937 struct nfs4_sequence_res seq_res;
1da177e4
LT
938 const struct nfs_server * server;
939 struct nfs_fh * fh;
940 struct nfs_fattr * fattr;
e058f70b 941 struct nfs4_label *label;
1da177e4
LT
942 struct nfs4_change_info dir_cinfo;
943};
944
945struct nfs4_fsinfo_arg {
62ae082d 946 struct nfs4_sequence_args seq_args;
1da177e4
LT
947 const struct nfs_fh * fh;
948 const u32 * bitmask;
949};
950
3dda5e43 951struct nfs4_fsinfo_res {
3dda5e43 952 struct nfs4_sequence_res seq_res;
62ae082d 953 struct nfs_fsinfo *fsinfo;
3dda5e43
BH
954};
955
1da177e4 956struct nfs4_getattr_arg {
62ae082d 957 struct nfs4_sequence_args seq_args;
1da177e4
LT
958 const struct nfs_fh * fh;
959 const u32 * bitmask;
960};
961
962struct nfs4_getattr_res {
62ae082d 963 struct nfs4_sequence_res seq_res;
1da177e4
LT
964 const struct nfs_server * server;
965 struct nfs_fattr * fattr;
e058f70b 966 struct nfs4_label *label;
1da177e4
LT
967};
968
969struct nfs4_link_arg {
62ae082d 970 struct nfs4_sequence_args seq_args;
1da177e4
LT
971 const struct nfs_fh * fh;
972 const struct nfs_fh * dir_fh;
973 const struct qstr * name;
91ba2eee
TM
974 const u32 * bitmask;
975};
976
977struct nfs4_link_res {
62ae082d 978 struct nfs4_sequence_res seq_res;
91ba2eee
TM
979 const struct nfs_server * server;
980 struct nfs_fattr * fattr;
e058f70b 981 struct nfs4_label *label;
91ba2eee
TM
982 struct nfs4_change_info cinfo;
983 struct nfs_fattr * dir_attr;
1da177e4
LT
984};
985
91ba2eee 986
1da177e4 987struct nfs4_lookup_arg {
62ae082d 988 struct nfs4_sequence_args seq_args;
1da177e4
LT
989 const struct nfs_fh * dir_fh;
990 const struct qstr * name;
991 const u32 * bitmask;
992};
993
994struct nfs4_lookup_res {
62ae082d 995 struct nfs4_sequence_res seq_res;
1da177e4
LT
996 const struct nfs_server * server;
997 struct nfs_fattr * fattr;
998 struct nfs_fh * fh;
e058f70b 999 struct nfs4_label *label;
1da177e4
LT
1000};
1001
1002struct nfs4_lookup_root_arg {
9ff71c3a 1003 struct nfs4_sequence_args seq_args;
62ae082d 1004 const u32 * bitmask;
1da177e4
LT
1005};
1006
1007struct nfs4_pathconf_arg {
62ae082d 1008 struct nfs4_sequence_args seq_args;
1da177e4
LT
1009 const struct nfs_fh * fh;
1010 const u32 * bitmask;
1011};
1012
d45b2989 1013struct nfs4_pathconf_res {
d45b2989 1014 struct nfs4_sequence_res seq_res;
62ae082d 1015 struct nfs_pathconf *pathconf;
d45b2989
BH
1016};
1017
1da177e4 1018struct nfs4_readdir_arg {
62ae082d 1019 struct nfs4_sequence_args seq_args;
1da177e4
LT
1020 const struct nfs_fh * fh;
1021 u64 cookie;
1022 nfs4_verifier verifier;
1023 u32 count;
1024 struct page ** pages; /* zero-copy data */
1025 unsigned int pgbase; /* zero-copy data */
1026 const u32 * bitmask;
82f2e547 1027 int plus;
1da177e4
LT
1028};
1029
1030struct nfs4_readdir_res {
62ae082d 1031 struct nfs4_sequence_res seq_res;
1da177e4
LT
1032 nfs4_verifier verifier;
1033 unsigned int pgbase;
1034};
1035
1036struct nfs4_readlink {
62ae082d 1037 struct nfs4_sequence_args seq_args;
1da177e4
LT
1038 const struct nfs_fh * fh;
1039 unsigned int pgbase;
1040 unsigned int pglen; /* zero-copy data */
1041 struct page ** pages; /* zero-copy data */
1042};
1043
f50c7000
BH
1044struct nfs4_readlink_res {
1045 struct nfs4_sequence_res seq_res;
1046};
1047
1da177e4 1048struct nfs4_setclientid {
cc38bac3 1049 const nfs4_verifier * sc_verifier;
cc38bac3 1050 u32 sc_prog;
1da177e4 1051 unsigned int sc_netid_len;
d1ce02e1 1052 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
1da177e4 1053 unsigned int sc_uaddr_len;
d1ce02e1 1054 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
3a6bb738 1055 struct nfs_client *sc_clnt;
f11b2a1c 1056 struct rpc_cred *sc_cred;
1da177e4
LT
1057};
1058
bb8b27e5
TM
1059struct nfs4_setclientid_res {
1060 u64 clientid;
1061 nfs4_verifier confirm;
1062};
1063
1da177e4 1064struct nfs4_statfs_arg {
62ae082d 1065 struct nfs4_sequence_args seq_args;
1da177e4
LT
1066 const struct nfs_fh * fh;
1067 const u32 * bitmask;
1068};
1069
24ad148a 1070struct nfs4_statfs_res {
24ad148a 1071 struct nfs4_sequence_res seq_res;
62ae082d 1072 struct nfs_fsstat *fsstat;
24ad148a
BH
1073};
1074
43652ad5 1075struct nfs4_server_caps_arg {
43652ad5 1076 struct nfs4_sequence_args seq_args;
62ae082d 1077 struct nfs_fh *fhandle;
8c61282f 1078 const u32 * bitmask;
43652ad5
BH
1079};
1080
1da177e4 1081struct nfs4_server_caps_res {
62ae082d 1082 struct nfs4_sequence_res seq_res;
dae100c2 1083 u32 attr_bitmask[3];
8c61282f 1084 u32 exclcreat_bitmask[3];
1da177e4
LT
1085 u32 acl_bitmask;
1086 u32 has_links;
1087 u32 has_symlinks;
264e6351 1088 u32 fh_expire_type;
1da177e4
LT
1089};
1090
7aaa0b3b
MN
1091#define NFS4_PATHNAME_MAXCOMPONENTS 512
1092struct nfs4_pathname {
1093 unsigned int ncomponents;
1094 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1095};
1096
1097#define NFS4_FS_LOCATION_MAXSERVERS 10
1098struct nfs4_fs_location {
1099 unsigned int nservers;
1100 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1101 struct nfs4_pathname rootpath;
1102};
1103
1104#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1105struct nfs4_fs_locations {
683b57b4
TM
1106 struct nfs_fattr fattr;
1107 const struct nfs_server *server;
7aaa0b3b 1108 struct nfs4_pathname fs_path;
683b57b4 1109 int nlocations;
7aaa0b3b 1110 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
683b57b4
TM
1111};
1112
1113struct nfs4_fs_locations_arg {
62ae082d 1114 struct nfs4_sequence_args seq_args;
683b57b4 1115 const struct nfs_fh *dir_fh;
b03d735b 1116 const struct nfs_fh *fh;
683b57b4
TM
1117 const struct qstr *name;
1118 struct page *page;
1119 const u32 *bitmask;
b03d735b
CL
1120 clientid4 clientid;
1121 unsigned char migration:1, renew:1;
683b57b4
TM
1122};
1123
22958463 1124struct nfs4_fs_locations_res {
22958463 1125 struct nfs4_sequence_res seq_res;
62ae082d 1126 struct nfs4_fs_locations *fs_locations;
b03d735b 1127 unsigned char migration:1, renew:1;
22958463
BH
1128};
1129
fb15b26f
CL
1130struct nfs4_secinfo4 {
1131 u32 flavor;
1132 struct rpcsec_gss_info flavor_info;
5a5ea0d4
BS
1133};
1134
1135struct nfs4_secinfo_flavors {
fb15b26f
CL
1136 unsigned int num_flavors;
1137 struct nfs4_secinfo4 flavors[0];
5a5ea0d4
BS
1138};
1139
1140struct nfs4_secinfo_arg {
62ae082d 1141 struct nfs4_sequence_args seq_args;
5a5ea0d4
BS
1142 const struct nfs_fh *dir_fh;
1143 const struct qstr *name;
5a5ea0d4
BS
1144};
1145
1146struct nfs4_secinfo_res {
5a5ea0d4 1147 struct nfs4_sequence_res seq_res;
62ae082d 1148 struct nfs4_secinfo_flavors *flavors;
5a5ea0d4
BS
1149};
1150
44c99933
CL
1151struct nfs4_fsid_present_arg {
1152 struct nfs4_sequence_args seq_args;
1153 const struct nfs_fh *fh;
1154 clientid4 clientid;
1155 unsigned char renew:1;
1156};
1157
1158struct nfs4_fsid_present_res {
1159 struct nfs4_sequence_res seq_res;
1160 struct nfs_fh *fh;
1161 unsigned char renew:1;
1162};
1163
1da177e4
LT
1164#endif /* CONFIG_NFS_V4 */
1165
99fe60d0
BH
1166struct nfstime4 {
1167 u64 seconds;
1168 u32 nseconds;
1169};
1170
1171#ifdef CONFIG_NFS_V4_1
ea2cf228
FI
1172
1173struct pnfs_commit_bucket {
1174 struct list_head written;
1175 struct list_head committing;
1176 struct pnfs_layout_segment *wlseg;
1177 struct pnfs_layout_segment *clseg;
5002c586 1178 struct nfs_writeverf direct_verf;
ea2cf228
FI
1179};
1180
1181struct pnfs_ds_commit_info {
1182 int nwritten;
1183 int ncommitting;
1184 int nbuckets;
1185 struct pnfs_commit_bucket *buckets;
1186};
1187
2031cd1a
WAA
1188struct nfs41_state_protection {
1189 u32 how;
1190 struct nfs4_op_map enforce;
1191 struct nfs4_op_map allow;
1192};
1193
99fe60d0
BH
1194struct nfs41_exchange_id_args {
1195 struct nfs_client *client;
1196 nfs4_verifier *verifier;
99fe60d0 1197 u32 flags;
2031cd1a 1198 struct nfs41_state_protection state_protect;
99fe60d0
BH
1199};
1200
acdeb69d 1201struct nfs41_server_owner {
99fe60d0
BH
1202 uint64_t minor_id;
1203 uint32_t major_id_sz;
1204 char major_id[NFS4_OPAQUE_LIMIT];
1205};
1206
79d4e1f0 1207struct nfs41_server_scope {
99fe60d0
BH
1208 uint32_t server_scope_sz;
1209 char server_scope[NFS4_OPAQUE_LIMIT];
1210};
1211
7d2ed9ac
WAA
1212struct nfs41_impl_id {
1213 char domain[NFS4_OPAQUE_LIMIT + 1];
1214 char name[NFS4_OPAQUE_LIMIT + 1];
1215 struct nfstime4 date;
1216};
1217
71a097c6
TM
1218struct nfs41_bind_conn_to_session_args {
1219 struct nfs_client *client;
1220 struct nfs4_sessionid sessionid;
1221 u32 dir;
1222 bool use_conn_in_rdma_mode;
1223};
1224
7c44f1ae 1225struct nfs41_bind_conn_to_session_res {
71a097c6 1226 struct nfs4_sessionid sessionid;
7c44f1ae
WAA
1227 u32 dir;
1228 bool use_conn_in_rdma_mode;
1229};
1230
99fe60d0 1231struct nfs41_exchange_id_res {
32b01310
TM
1232 u64 clientid;
1233 u32 seqid;
99fe60d0 1234 u32 flags;
acdeb69d 1235 struct nfs41_server_owner *server_owner;
79d4e1f0 1236 struct nfs41_server_scope *server_scope;
7d2ed9ac 1237 struct nfs41_impl_id *impl_id;
2031cd1a 1238 struct nfs41_state_protection state_protect;
99fe60d0 1239};
fc931582
AA
1240
1241struct nfs41_create_session_args {
1242 struct nfs_client *client;
79969dd1
TM
1243 u64 clientid;
1244 uint32_t seqid;
fc931582
AA
1245 uint32_t flags;
1246 uint32_t cb_program;
1247 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1248 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1249};
1250
1251struct nfs41_create_session_res {
79969dd1
TM
1252 struct nfs4_sessionid sessionid;
1253 uint32_t seqid;
1254 uint32_t flags;
1255 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1256 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
fc931582 1257};
18019753
RL
1258
1259struct nfs41_reclaim_complete_args {
62ae082d 1260 struct nfs4_sequence_args seq_args;
18019753
RL
1261 /* In the future extend to include curr_fh for use with migration */
1262 unsigned char one_fs:1;
18019753
RL
1263};
1264
1265struct nfs41_reclaim_complete_res {
1266 struct nfs4_sequence_res seq_res;
1267};
fca78d6d
BS
1268
1269#define SECINFO_STYLE_CURRENT_FH 0
1270#define SECINFO_STYLE_PARENT 1
1271struct nfs41_secinfo_no_name_args {
fca78d6d 1272 struct nfs4_sequence_args seq_args;
62ae082d 1273 int style;
fca78d6d
BS
1274};
1275
7d974794 1276struct nfs41_test_stateid_args {
7d974794 1277 struct nfs4_sequence_args seq_args;
62ae082d 1278 nfs4_stateid *stateid;
7d974794
BS
1279};
1280
1281struct nfs41_test_stateid_res {
7d974794 1282 struct nfs4_sequence_res seq_res;
62ae082d 1283 unsigned int status;
7d974794
BS
1284};
1285
9aeda35f 1286struct nfs41_free_stateid_args {
9aeda35f 1287 struct nfs4_sequence_args seq_args;
7c1d5fae 1288 nfs4_stateid stateid;
9aeda35f
BS
1289};
1290
1291struct nfs41_free_stateid_res {
9aeda35f 1292 struct nfs4_sequence_res seq_res;
62ae082d 1293 unsigned int status;
9aeda35f
BS
1294};
1295
8c393f9a
PT
1296static inline void
1297nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
1298{
1299 kfree(cinfo->buckets);
1300}
1301
4f97615d
TM
1302#else
1303
1304struct pnfs_ds_commit_info {
1305};
1306
8c393f9a
PT
1307static inline void
1308nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
1309{
1310}
1311
99fe60d0
BH
1312#endif /* CONFIG_NFS_V4_1 */
1313
1c6dcbe5 1314#ifdef CONFIG_NFS_V4_2
f4ac1674
AS
1315struct nfs42_falloc_args {
1316 struct nfs4_sequence_args seq_args;
1317
1318 struct nfs_fh *falloc_fh;
1319 nfs4_stateid falloc_stateid;
1320 u64 falloc_offset;
1321 u64 falloc_length;
9a51940b 1322 const u32 *falloc_bitmask;
f4ac1674
AS
1323};
1324
1325struct nfs42_falloc_res {
1326 struct nfs4_sequence_res seq_res;
1327 unsigned int status;
9a51940b
AS
1328
1329 struct nfs_fattr *falloc_fattr;
1330 const struct nfs_server *falloc_server;
f4ac1674
AS
1331};
1332
2e72448b
AS
1333struct nfs42_copy_args {
1334 struct nfs4_sequence_args seq_args;
1335
1336 struct nfs_fh *src_fh;
1337 nfs4_stateid src_stateid;
1338 u64 src_pos;
1339
1340 struct nfs_fh *dst_fh;
1341 nfs4_stateid dst_stateid;
1342 u64 dst_pos;
1343
1344 u64 count;
1345};
1346
1347struct nfs42_write_res {
1348 u64 count;
1349 struct nfs_writeverf verifier;
1350};
1351
1352struct nfs42_copy_res {
1353 struct nfs4_sequence_res seq_res;
1354 struct nfs42_write_res write_res;
1355 bool consecutive;
1356 bool synchronous;
1357};
1358
1c6dcbe5
AS
1359struct nfs42_seek_args {
1360 struct nfs4_sequence_args seq_args;
1361
1362 struct nfs_fh *sa_fh;
1363 nfs4_stateid sa_stateid;
1364 u64 sa_offset;
1365 u32 sa_what;
1366};
1367
1368struct nfs42_seek_res {
1369 struct nfs4_sequence_res seq_res;
1370 unsigned int status;
1371
1372 u32 sr_eof;
1373 u64 sr_offset;
1374};
1375#endif
1376
1da177e4
LT
1377struct nfs_page;
1378
40859d7e
CL
1379#define NFS_PAGEVEC_SIZE (8U)
1380
30dd374f
FI
1381struct nfs_page_array {
1382 struct page **pagevec;
1383 unsigned int npages; /* Max length of pagevec */
1384 struct page *page_array[NFS_PAGEVEC_SIZE];
1385};
1386
4db6e0b7
FI
1387/* used as flag bits in nfs_pgio_header */
1388enum {
1389 NFS_IOHDR_ERROR = 0,
1390 NFS_IOHDR_EOF,
1391 NFS_IOHDR_REDO,
37e9ed22 1392 NFS_IOHDR_STAT,
4db6e0b7
FI
1393};
1394
cd841605
FI
1395struct nfs_pgio_header {
1396 struct inode *inode;
1397 struct rpc_cred *cred;
1398 struct list_head pages;
1399 struct nfs_page *req;
f79d06f5 1400 struct nfs_writeverf verf; /* Used for writes */
cd841605 1401 struct pnfs_layout_segment *lseg;
4db6e0b7 1402 loff_t io_start;
cd841605 1403 const struct rpc_call_ops *mds_ops;
4db6e0b7 1404 void (*release) (struct nfs_pgio_header *hdr);
061ae2ed 1405 const struct nfs_pgio_completion_ops *completion_ops;
4a0de55c 1406 const struct nfs_rw_ops *rw_ops;
584aa810 1407 struct nfs_direct_req *dreq;
f6166384 1408 void *layout_private;
4db6e0b7
FI
1409 spinlock_t lock;
1410 /* fields protected by lock */
cd841605 1411 int pnfs_error;
4db6e0b7
FI
1412 int error; /* merge with pnfs_error */
1413 unsigned long good_bytes; /* boundary of good data */
1414 unsigned long flags;
d45f60c6
WAA
1415
1416 /*
1417 * rpc data
1418 */
1419 struct rpc_task task;
1420 struct nfs_fattr fattr;
d45f60c6
WAA
1421 struct nfs_pgio_args args; /* argument struct */
1422 struct nfs_pgio_res res; /* result struct */
1423 unsigned long timestamp; /* For lease renewal */
1424 int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *);
1425 __u64 mds_offset; /* Filelayout dense stripe */
1426 struct nfs_page_array page_array;
1427 struct nfs_client *ds_clp; /* pNFS data server */
6cccbb6f 1428 int ds_commit_idx; /* ds index if ds_clp is set */
a7d42ddb 1429 int pgio_mirror_idx;/* mirror index in pgio layer */
cd841605
FI
1430};
1431
ea2cf228
FI
1432struct nfs_mds_commit_info {
1433 atomic_t rpcs_out;
1434 unsigned long ncommit;
1435 struct list_head list;
1436};
1437
b20135d0 1438struct nfs_commit_info;
f453a54a
FI
1439struct nfs_commit_data;
1440struct nfs_inode;
1441struct nfs_commit_completion_ops {
f453a54a 1442 void (*completion) (struct nfs_commit_data *data);
b20135d0 1443 void (*resched_write) (struct nfs_commit_info *, struct nfs_page *);
f453a54a
FI
1444};
1445
ea2cf228 1446struct nfs_commit_info {
fe238e60 1447 struct inode *inode; /* Needed for inode->i_lock */
ea2cf228
FI
1448 struct nfs_mds_commit_info *mds;
1449 struct pnfs_ds_commit_info *ds;
b359f9d0 1450 struct nfs_direct_req *dreq; /* O_DIRECT request */
f453a54a 1451 const struct nfs_commit_completion_ops *completion_ops;
ea2cf228
FI
1452};
1453
0b7c0153
FI
1454struct nfs_commit_data {
1455 struct rpc_task task;
1456 struct inode *inode;
1457 struct rpc_cred *cred;
1458 struct nfs_fattr fattr;
1459 struct nfs_writeverf verf;
1460 struct list_head pages; /* Coalesced requests we wish to flush */
1461 struct list_head list; /* lists of struct nfs_write_data */
1462 struct nfs_direct_req *dreq; /* O_DIRECT request */
1463 struct nfs_commitargs args; /* argument struct */
1464 struct nfs_commitres res; /* result struct */
1465 struct nfs_open_context *context;
1466 struct pnfs_layout_segment *lseg;
1467 struct nfs_client *ds_clp; /* pNFS data server */
1468 int ds_commit_index;
378520b8 1469 loff_t lwb;
0b7c0153 1470 const struct rpc_call_ops *mds_ops;
f453a54a 1471 const struct nfs_commit_completion_ops *completion_ops;
0b7c0153 1472 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
37e9ed22 1473 unsigned long flags;
0b7c0153
FI
1474};
1475
061ae2ed
FI
1476struct nfs_pgio_completion_ops {
1477 void (*error_cleanup)(struct list_head *head);
584aa810 1478 void (*init_hdr)(struct nfs_pgio_header *hdr);
061ae2ed 1479 void (*completion)(struct nfs_pgio_header *hdr);
dc602dd7 1480 void (*reschedule_io)(struct nfs_pgio_header *hdr);
061ae2ed
FI
1481};
1482
34e137cc 1483struct nfs_unlinkdata {
34e137cc
BS
1484 struct nfs_removeargs args;
1485 struct nfs_removeres res;
884be175
AV
1486 struct dentry *dentry;
1487 wait_queue_head_t wq;
34e137cc
BS
1488 struct rpc_cred *cred;
1489 struct nfs_fattr dir_attr;
8478eaa1 1490 long timeout;
34e137cc
BS
1491};
1492
c6bfa1a1
BS
1493struct nfs_renamedata {
1494 struct nfs_renameargs args;
1495 struct nfs_renameres res;
1496 struct rpc_cred *cred;
1497 struct inode *old_dir;
1498 struct dentry *old_dentry;
1499 struct nfs_fattr old_fattr;
1500 struct inode *new_dir;
1501 struct dentry *new_dentry;
1502 struct nfs_fattr new_fattr;
96f9d8c0 1503 void (*complete)(struct rpc_task *, struct nfs_renamedata *);
8478eaa1 1504 long timeout;
c6bfa1a1
BS
1505};
1506
1da177e4 1507struct nfs_access_entry;
45a52a02 1508struct nfs_client;
e0dca7a0 1509struct rpc_timeout;
ff9099f2
BS
1510struct nfs_subversion;
1511struct nfs_mount_info;
6663ee7f 1512struct nfs_client_initdata;
1abb5088 1513struct nfs_pageio_descriptor;
1da177e4
LT
1514
1515/*
1516 * RPC procedure vector for NFSv2/NFSv3 demuxing
1517 */
1518struct nfs_rpc_ops {
c0e07cb6 1519 u32 version; /* Protocol version */
f786aa90 1520 const struct dentry_operations *dentry_ops;
c5ef1c42
AV
1521 const struct inode_operations *dir_inode_ops;
1522 const struct inode_operations *file_inode_ops;
1788ea6e 1523 const struct file_operations *file_ops;
1da177e4
LT
1524
1525 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1526 struct nfs_fsinfo *);
281cad46
BS
1527 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1528 struct nfs_fh *, struct nfs_fattr *);
ff9099f2
BS
1529 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1530 struct nfs_subversion *);
1da177e4 1531 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1775fd3e 1532 struct nfs_fattr *, struct nfs4_label *);
1da177e4
LT
1533 int (*setattr) (struct dentry *, struct nfs_fattr *,
1534 struct iattr *);
beffb8fe 1535 int (*lookup) (struct inode *, const struct qstr *,
1775fd3e
DQ
1536 struct nfs_fh *, struct nfs_fattr *,
1537 struct nfs4_label *);
1da177e4
LT
1538 int (*access) (struct inode *, struct nfs_access_entry *);
1539 int (*readlink)(struct inode *, struct page *, unsigned int,
1540 unsigned int);
1da177e4 1541 int (*create) (struct inode *, struct dentry *,
8867fe58 1542 struct iattr *, int);
beffb8fe 1543 int (*remove) (struct inode *, const struct qstr *);
e4eff1a6 1544 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
34e137cc 1545 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
e4eff1a6 1546 int (*unlink_done) (struct rpc_task *, struct inode *);
d3d4152a 1547 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
c6bfa1a1 1548 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
d3d4152a 1549 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
beffb8fe 1550 int (*link) (struct inode *, struct inode *, const struct qstr *);
94a6d753
CL
1551 int (*symlink) (struct inode *, struct dentry *, struct page *,
1552 unsigned int, struct iattr *);
1da177e4 1553 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
beffb8fe 1554 int (*rmdir) (struct inode *, const struct qstr *);
1da177e4 1555 int (*readdir) (struct dentry *, struct rpc_cred *,
56e4ebf8 1556 u64, struct page **, unsigned int, int);
1da177e4
LT
1557 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1558 dev_t);
1559 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1560 struct nfs_fsstat *);
1561 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1562 struct nfs_fsinfo *);
1563 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1564 struct nfs_pathconf *);
e9326dca 1565 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
573c4e1e 1566 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
d45f60c6
WAA
1567 int (*pgio_rpc_prepare)(struct rpc_task *,
1568 struct nfs_pgio_header *);
1569 void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);
1570 int (*read_done)(struct rpc_task *, struct nfs_pgio_header *);
1571 void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *);
1572 int (*write_done)(struct rpc_task *, struct nfs_pgio_header *);
0b7c0153
FI
1573 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1574 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1575 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1da177e4 1576 int (*lock)(struct file *, int, struct file_lock *);
2116271a 1577 int (*lock_check_bounds)(const struct file_lock *);
ada70d94 1578 void (*clear_acl_cache)(struct inode *);
7fe5c398 1579 void (*close_context)(struct nfs_open_context *ctx, int);
2b484297
TM
1580 struct inode * (*open_context) (struct inode *dir,
1581 struct nfs_open_context *ctx,
1582 int open_flags,
5bc2afc2
TM
1583 struct iattr *iattr,
1584 int *);
011e2a7f 1585 int (*have_delegation)(struct inode *, fmode_t);
57ec14c5 1586 int (*return_delegation)(struct inode *);
6663ee7f 1587 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
5c6e5b60
TM
1588 struct nfs_client *(*init_client) (struct nfs_client *,
1589 const struct nfs_client_initdata *);
cdb7eced 1590 void (*free_client) (struct nfs_client *);
1179acc6
BS
1591 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1592 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1593 struct nfs_fattr *, rpc_authflavor_t);
1da177e4
LT
1594};
1595
1596/*
1597 * NFS_CALL(getattr, inode, (fattr));
1598 * into
1599 * NFS_PROTO(inode)->getattr(fattr);
1600 */
1601#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1602
1603/*
1604 * Function vectors etc. for the NFS client
1605 */
509de811
DH
1606extern const struct nfs_rpc_ops nfs_v2_clientops;
1607extern const struct nfs_rpc_ops nfs_v3_clientops;
1608extern const struct nfs_rpc_ops nfs_v4_clientops;
a613fa16
TM
1609extern const struct rpc_version nfs_version2;
1610extern const struct rpc_version nfs_version3;
1611extern const struct rpc_version nfs_version4;
1da177e4 1612
a613fa16
TM
1613extern const struct rpc_version nfsacl_version3;
1614extern const struct rpc_program nfsacl_program;
b7fa0554 1615
1da177e4 1616#endif