1
2#ifndef _LINUX_NFS_XDR_H
3#define _LINUX_NFS_XDR_H
4
5#include <linux/nfsacl.h>
6#include <linux/sunrpc/gss_api.h>
7
8
9
10
11
12
13
14#define NFS_MAX_FILE_IO_SIZE (1048576U)
15#define NFS_DEF_FILE_IO_SIZE (4096U)
16#define NFS_MIN_FILE_IO_SIZE (1024U)
17
18#define NFS_BITMASK_SZ 3
19
20struct nfs4_string {
21 unsigned int len;
22 char *data;
23};
24
25struct nfs_fsid {
26 uint64_t major;
27 uint64_t minor;
28};
29
30
31
32
33static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
34{
35 return a->major == b->major && a->minor == b->minor;
36}
37
38struct nfs4_threshold {
39 __u32 bm;
40 __u32 l_type;
41 __u64 rd_sz;
42 __u64 wr_sz;
43 __u64 rd_io_sz;
44 __u64 wr_io_sz;
45};
46
47struct nfs_fattr {
48 unsigned int valid;
49 umode_t mode;
50 __u32 nlink;
51 kuid_t uid;
52 kgid_t gid;
53 dev_t rdev;
54 __u64 size;
55 union {
56 struct {
57 __u32 blocksize;
58 __u32 blocks;
59 } nfs2;
60 struct {
61 __u64 used;
62 } nfs3;
63 } du;
64 struct nfs_fsid fsid;
65 __u64 fileid;
66 __u64 mounted_on_fileid;
67 struct timespec64 atime;
68 struct timespec64 mtime;
69 struct timespec64 ctime;
70 __u64 change_attr;
71 __u64 pre_change_attr;
72 __u64 pre_size;
73 struct timespec64 pre_mtime;
74 struct timespec64 pre_ctime;
75 unsigned long time_start;
76 unsigned long gencount;
77 struct nfs4_string *owner_name;
78 struct nfs4_string *group_name;
79 struct nfs4_threshold *mdsthreshold;
80 struct nfs4_label *label;
81};
82
83#define NFS_ATTR_FATTR_TYPE (1U << 0)
84#define NFS_ATTR_FATTR_MODE (1U << 1)
85#define NFS_ATTR_FATTR_NLINK (1U << 2)
86#define NFS_ATTR_FATTR_OWNER (1U << 3)
87#define NFS_ATTR_FATTR_GROUP (1U << 4)
88#define NFS_ATTR_FATTR_RDEV (1U << 5)
89#define NFS_ATTR_FATTR_SIZE (1U << 6)
90#define NFS_ATTR_FATTR_PRESIZE (1U << 7)
91#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
92#define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
93#define NFS_ATTR_FATTR_FSID (1U << 10)
94#define NFS_ATTR_FATTR_FILEID (1U << 11)
95#define NFS_ATTR_FATTR_ATIME (1U << 12)
96#define NFS_ATTR_FATTR_MTIME (1U << 13)
97#define NFS_ATTR_FATTR_CTIME (1U << 14)
98#define NFS_ATTR_FATTR_PREMTIME (1U << 15)
99#define NFS_ATTR_FATTR_PRECTIME (1U << 16)
100#define NFS_ATTR_FATTR_CHANGE (1U << 17)
101#define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
102#define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19)
103#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
104#define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
105#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
106#define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
107#define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
108#define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25)
109
110#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
111 | NFS_ATTR_FATTR_MODE \
112 | NFS_ATTR_FATTR_NLINK \
113 | NFS_ATTR_FATTR_OWNER \
114 | NFS_ATTR_FATTR_GROUP \
115 | NFS_ATTR_FATTR_RDEV \
116 | NFS_ATTR_FATTR_SIZE \
117 | NFS_ATTR_FATTR_FSID \
118 | NFS_ATTR_FATTR_FILEID \
119 | NFS_ATTR_FATTR_ATIME \
120 | NFS_ATTR_FATTR_MTIME \
121 | NFS_ATTR_FATTR_CTIME \
122 | NFS_ATTR_FATTR_CHANGE)
123#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
124 | NFS_ATTR_FATTR_BLOCKS_USED)
125#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
126 | NFS_ATTR_FATTR_SPACE_USED)
127#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
128 | NFS_ATTR_FATTR_SPACE_USED \
129 | NFS_ATTR_FATTR_V4_SECURITY_LABEL)
130
131
132
133
134#define NFS_MAX_LAYOUT_TYPES 8
135
136
137
138
139struct nfs_fsinfo {
140 struct nfs_fattr *fattr;
141 __u32 rtmax;
142 __u32 rtpref;
143 __u32 rtmult;
144 __u32 wtmax;
145 __u32 wtpref;
146 __u32 wtmult;
147 __u32 dtpref;
148 __u64 maxfilesize;
149 struct timespec64 time_delta;
150 __u32 lease_time;
151 __u32 nlayouttypes;
152 __u32 layouttype[NFS_MAX_LAYOUT_TYPES];
153 __u32 blksize;
154 __u32 clone_blksize;
155 enum nfs4_change_attr_type
156 change_attr_type;
157 __u32 xattr_support;
158};
159
160struct nfs_fsstat {
161 struct nfs_fattr *fattr;
162 __u64 tbytes;
163 __u64 fbytes;
164 __u64 abytes;
165 __u64 tfiles;
166 __u64 ffiles;
167 __u64 afiles;
168};
169
170struct nfs2_fsstat {
171 __u32 tsize;
172 __u32 bsize;
173 __u32 blocks;
174 __u32 bfree;
175 __u32 bavail;
176};
177
178struct nfs_pathconf {
179 struct nfs_fattr *fattr;
180 __u32 max_link;
181 __u32 max_namelen;
182};
183
184struct nfs4_change_info {
185 u32 atomic;
186 u64 before;
187 u64 after;
188};
189
190struct nfs_seqid;
191
192
193struct nfs4_channel_attrs {
194 u32 max_rqst_sz;
195 u32 max_resp_sz;
196 u32 max_resp_sz_cached;
197 u32 max_ops;
198 u32 max_reqs;
199};
200
201struct nfs4_slot;
202struct nfs4_sequence_args {
203 struct nfs4_slot *sa_slot;
204 u8 sa_cache_this : 1,
205 sa_privileged : 1;
206};
207
208struct nfs4_sequence_res {
209 struct nfs4_slot *sr_slot;
210 unsigned long sr_timestamp;
211 int sr_status;
212 u32 sr_status_flags;
213 u32 sr_highest_slotid;
214 u32 sr_target_highest_slotid;
215};
216
217struct nfs4_get_lease_time_args {
218 struct nfs4_sequence_args la_seq_args;
219};
220
221struct nfs4_get_lease_time_res {
222 struct nfs4_sequence_res lr_seq_res;
223 struct nfs_fsinfo *lr_fsinfo;
224};
225
226struct xdr_stream;
227struct nfs4_xdr_opaque_data;
228
229struct nfs4_xdr_opaque_ops {
230 void (*encode)(struct xdr_stream *, const void *args,
231 const struct nfs4_xdr_opaque_data *);
232 void (*free)(struct nfs4_xdr_opaque_data *);
233};
234
235struct nfs4_xdr_opaque_data {
236 const struct nfs4_xdr_opaque_ops *ops;
237 void *data;
238};
239
240#define PNFS_LAYOUT_MAXSIZE 4096
241
242struct nfs4_layoutdriver_data {
243 struct page **pages;
244 __u32 pglen;
245 __u32 len;
246};
247
248struct pnfs_layout_range {
249 u32 iomode;
250 u64 offset;
251 u64 length;
252};
253
254struct nfs4_layoutget_args {
255 struct nfs4_sequence_args seq_args;
256 __u32 type;
257 struct pnfs_layout_range range;
258 __u64 minlength;
259 __u32 maxcount;
260 struct inode *inode;
261 struct nfs_open_context *ctx;
262 nfs4_stateid stateid;
263 struct nfs4_layoutdriver_data layout;
264};
265
266struct nfs4_layoutget_res {
267 struct nfs4_sequence_res seq_res;
268 int status;
269 __u32 return_on_close;
270 struct pnfs_layout_range range;
271 __u32 type;
272 nfs4_stateid stateid;
273 struct nfs4_layoutdriver_data *layoutp;
274};
275
276struct nfs4_layoutget {
277 struct nfs4_layoutget_args args;
278 struct nfs4_layoutget_res res;
279 const struct cred *cred;
280 struct pnfs_layout_hdr *lo;
281 gfp_t gfp_flags;
282};
283
284struct nfs4_getdeviceinfo_args {
285 struct nfs4_sequence_args seq_args;
286 struct pnfs_device *pdev;
287 __u32 notify_types;
288};
289
290struct nfs4_getdeviceinfo_res {
291 struct nfs4_sequence_res seq_res;
292 struct pnfs_device *pdev;
293 __u32 notification;
294};
295
296struct nfs4_layoutcommit_args {
297 struct nfs4_sequence_args seq_args;
298 nfs4_stateid stateid;
299 __u64 lastbytewritten;
300 struct inode *inode;
301 const u32 *bitmask;
302 size_t layoutupdate_len;
303 struct page *layoutupdate_page;
304 struct page **layoutupdate_pages;
305 __be32 *start_p;
306};
307
308struct nfs4_layoutcommit_res {
309 struct nfs4_sequence_res seq_res;
310 struct nfs_fattr *fattr;
311 const struct nfs_server *server;
312 int status;
313};
314
315struct nfs4_layoutcommit_data {
316 struct rpc_task task;
317 struct nfs_fattr fattr;
318 struct list_head lseg_list;
319 const struct cred *cred;
320 struct inode *inode;
321 struct nfs4_layoutcommit_args args;
322 struct nfs4_layoutcommit_res res;
323};
324
325struct nfs4_layoutreturn_args {
326 struct nfs4_sequence_args seq_args;
327 struct pnfs_layout_hdr *layout;
328 struct inode *inode;
329 struct pnfs_layout_range range;
330 nfs4_stateid stateid;
331 __u32 layout_type;
332 struct nfs4_xdr_opaque_data *ld_private;
333};
334
335struct nfs4_layoutreturn_res {
336 struct nfs4_sequence_res seq_res;
337 u32 lrs_present;
338 nfs4_stateid stateid;
339};
340
341struct nfs4_layoutreturn {
342 struct nfs4_layoutreturn_args args;
343 struct nfs4_layoutreturn_res res;
344 const struct cred *cred;
345 struct nfs_client *clp;
346 struct inode *inode;
347 int rpc_status;
348 struct nfs4_xdr_opaque_data ld_private;
349};
350
351#define PNFS_LAYOUTSTATS_MAXSIZE 256
352
353struct nfs42_layoutstat_args;
354struct nfs42_layoutstat_devinfo;
355typedef void (*layoutstats_encode_t)(struct xdr_stream *,
356 struct nfs42_layoutstat_args *,
357 struct nfs42_layoutstat_devinfo *);
358
359
360struct nfs42_layoutstat_devinfo {
361 struct nfs4_deviceid dev_id;
362 __u64 offset;
363 __u64 length;
364 __u64 read_count;
365 __u64 read_bytes;
366 __u64 write_count;
367 __u64 write_bytes;
368 __u32 layout_type;
369 struct nfs4_xdr_opaque_data ld_private;
370};
371
372struct nfs42_layoutstat_args {
373 struct nfs4_sequence_args seq_args;
374 struct nfs_fh *fh;
375 struct inode *inode;
376 nfs4_stateid stateid;
377 int num_dev;
378 struct nfs42_layoutstat_devinfo *devinfo;
379};
380
381struct nfs42_layoutstat_res {
382 struct nfs4_sequence_res seq_res;
383 int num_dev;
384 int rpc_status;
385};
386
387struct nfs42_layoutstat_data {
388 struct inode *inode;
389 struct nfs42_layoutstat_args args;
390 struct nfs42_layoutstat_res res;
391};
392
393struct nfs42_device_error {
394 struct nfs4_deviceid dev_id;
395 int status;
396 enum nfs_opnum4 opnum;
397};
398
399struct nfs42_layout_error {
400 __u64 offset;
401 __u64 length;
402 nfs4_stateid stateid;
403 struct nfs42_device_error errors[1];
404};
405
406#define NFS42_LAYOUTERROR_MAX 5
407
408struct nfs42_layouterror_args {
409 struct nfs4_sequence_args seq_args;
410 struct inode *inode;
411 unsigned int num_errors;
412 struct nfs42_layout_error errors[NFS42_LAYOUTERROR_MAX];
413};
414
415struct nfs42_layouterror_res {
416 struct nfs4_sequence_res seq_res;
417 unsigned int num_errors;
418 int rpc_status;
419};
420
421struct nfs42_layouterror_data {
422 struct nfs42_layouterror_args args;
423 struct nfs42_layouterror_res res;
424 struct inode *inode;
425 struct pnfs_layout_segment *lseg;
426};
427
428struct nfs42_clone_args {
429 struct nfs4_sequence_args seq_args;
430 struct nfs_fh *src_fh;
431 struct nfs_fh *dst_fh;
432 nfs4_stateid src_stateid;
433 nfs4_stateid dst_stateid;
434 __u64 src_offset;
435 __u64 dst_offset;
436 __u64 count;
437 const u32 *dst_bitmask;
438};
439
440struct nfs42_clone_res {
441 struct nfs4_sequence_res seq_res;
442 unsigned int rpc_status;
443 struct nfs_fattr *dst_fattr;
444 const struct nfs_server *server;
445};
446
447struct stateowner_id {
448 __u64 create_time;
449 __u32 uniquifier;
450};
451
452
453
454
455struct nfs_openargs {
456 struct nfs4_sequence_args seq_args;
457 const struct nfs_fh * fh;
458 struct nfs_seqid * seqid;
459 int open_flags;
460 fmode_t fmode;
461 u32 share_access;
462 u32 access;
463 __u64 clientid;
464 struct stateowner_id id;
465 union {
466 struct {
467 struct iattr * attrs;
468 nfs4_verifier verifier;
469 };
470 nfs4_stateid delegation;
471 fmode_t delegation_type;
472 } u;
473 const struct qstr * name;
474 const struct nfs_server *server;
475 const u32 * bitmask;
476 const u32 * open_bitmap;
477 enum open_claim_type4 claim;
478 enum createmode4 createmode;
479 const struct nfs4_label *label;
480 umode_t umask;
481 struct nfs4_layoutget_args *lg_args;
482};
483
484struct nfs_openres {
485 struct nfs4_sequence_res seq_res;
486 nfs4_stateid stateid;
487 struct nfs_fh fh;
488 struct nfs4_change_info cinfo;
489 __u32 rflags;
490 struct nfs_fattr * f_attr;
491 struct nfs_seqid * seqid;
492 const struct nfs_server *server;
493 fmode_t delegation_type;
494 nfs4_stateid delegation;
495 unsigned long pagemod_limit;
496 __u32 do_recall;
497 __u32 attrset[NFS4_BITMAP_SIZE];
498 struct nfs4_string *owner;
499 struct nfs4_string *group_owner;
500 __u32 access_request;
501 __u32 access_supported;
502 __u32 access_result;
503 struct nfs4_layoutget_res *lg_res;
504};
505
506
507
508
509struct nfs_open_confirmargs {
510 struct nfs4_sequence_args seq_args;
511 const struct nfs_fh * fh;
512 nfs4_stateid * stateid;
513 struct nfs_seqid * seqid;
514};
515
516struct nfs_open_confirmres {
517 struct nfs4_sequence_res seq_res;
518 nfs4_stateid stateid;
519 struct nfs_seqid * seqid;
520};
521
522
523
524
525struct nfs_closeargs {
526 struct nfs4_sequence_args seq_args;
527 struct nfs_fh * fh;
528 nfs4_stateid stateid;
529 struct nfs_seqid * seqid;
530 fmode_t fmode;
531 u32 share_access;
532 const u32 * bitmask;
533 u32 bitmask_store[NFS_BITMASK_SZ];
534 struct nfs4_layoutreturn_args *lr_args;
535};
536
537struct nfs_closeres {
538 struct nfs4_sequence_res seq_res;
539 nfs4_stateid stateid;
540 struct nfs_fattr * fattr;
541 struct nfs_seqid * seqid;
542 const struct nfs_server *server;
543 struct nfs4_layoutreturn_res *lr_res;
544 int lr_ret;
545};
546
547
548
549struct nfs_lowner {
550 __u64 clientid;
551 __u64 id;
552 dev_t s_dev;
553};
554
555struct nfs_lock_args {
556 struct nfs4_sequence_args seq_args;
557 struct nfs_fh * fh;
558 struct file_lock * fl;
559 struct nfs_seqid * lock_seqid;
560 nfs4_stateid lock_stateid;
561 struct nfs_seqid * open_seqid;
562 nfs4_stateid open_stateid;
563 struct nfs_lowner lock_owner;
564 unsigned char block : 1;
565 unsigned char reclaim : 1;
566 unsigned char new_lock : 1;
567 unsigned char new_lock_owner : 1;
568};
569
570struct nfs_lock_res {
571 struct nfs4_sequence_res seq_res;
572 nfs4_stateid stateid;
573 struct nfs_seqid * lock_seqid;
574 struct nfs_seqid * open_seqid;
575};
576
577struct nfs_locku_args {
578 struct nfs4_sequence_args seq_args;
579 struct nfs_fh * fh;
580 struct file_lock * fl;
581 struct nfs_seqid * seqid;
582 nfs4_stateid stateid;
583};
584
585struct nfs_locku_res {
586 struct nfs4_sequence_res seq_res;
587 nfs4_stateid stateid;
588 struct nfs_seqid * seqid;
589};
590
591struct nfs_lockt_args {
592 struct nfs4_sequence_args seq_args;
593 struct nfs_fh * fh;
594 struct file_lock * fl;
595 struct nfs_lowner lock_owner;
596};
597
598struct nfs_lockt_res {
599 struct nfs4_sequence_res seq_res;
600 struct file_lock * denied;
601};
602
603struct nfs_release_lockowner_args {
604 struct nfs4_sequence_args seq_args;
605 struct nfs_lowner lock_owner;
606};
607
608struct nfs_release_lockowner_res {
609 struct nfs4_sequence_res seq_res;
610};
611
612struct nfs4_delegreturnargs {
613 struct nfs4_sequence_args seq_args;
614 const struct nfs_fh *fhandle;
615 const nfs4_stateid *stateid;
616 const u32 *bitmask;
617 u32 bitmask_store[NFS_BITMASK_SZ];
618 struct nfs4_layoutreturn_args *lr_args;
619};
620
621struct nfs4_delegreturnres {
622 struct nfs4_sequence_res seq_res;
623 struct nfs_fattr * fattr;
624 struct nfs_server *server;
625 struct nfs4_layoutreturn_res *lr_res;
626 int lr_ret;
627};
628
629
630
631
632struct nfs_write_verifier {
633 char data[8];
634};
635
636struct nfs_writeverf {
637 struct nfs_write_verifier verifier;
638 enum nfs3_stable_how committed;
639};
640
641
642
643
644struct nfs_pgio_args {
645 struct nfs4_sequence_args seq_args;
646 struct nfs_fh * fh;
647 struct nfs_open_context *context;
648 struct nfs_lock_context *lock_context;
649 nfs4_stateid stateid;
650 __u64 offset;
651 __u32 count;
652 unsigned int pgbase;
653 struct page ** pages;
654 union {
655 unsigned int replen;
656 struct {
657 const u32 * bitmask;
658 u32 bitmask_store[NFS_BITMASK_SZ];
659 enum nfs3_stable_how stable;
660 };
661 };
662};
663
664struct nfs_pgio_res {
665 struct nfs4_sequence_res seq_res;
666 struct nfs_fattr * fattr;
667 __u64 count;
668 __u32 op_status;
669 union {
670 struct {
671 unsigned int replen;
672 int eof;
673 };
674 struct {
675 struct nfs_writeverf * verf;
676 const struct nfs_server *server;
677 };
678 };
679};
680
681
682
683
684struct nfs_commitargs {
685 struct nfs4_sequence_args seq_args;
686 struct nfs_fh *fh;
687 __u64 offset;
688 __u32 count;
689 const u32 *bitmask;
690};
691
692struct nfs_commitres {
693 struct nfs4_sequence_res seq_res;
694 __u32 op_status;
695 struct nfs_fattr *fattr;
696 struct nfs_writeverf *verf;
697 const struct nfs_server *server;
698};
699
700
701
702
703struct nfs_removeargs {
704 struct nfs4_sequence_args seq_args;
705 const struct nfs_fh *fh;
706 struct qstr name;
707};
708
709struct nfs_removeres {
710 struct nfs4_sequence_res seq_res;
711 struct nfs_server *server;
712 struct nfs_fattr *dir_attr;
713 struct nfs4_change_info cinfo;
714};
715
716
717
718
719struct nfs_renameargs {
720 struct nfs4_sequence_args seq_args;
721 const struct nfs_fh *old_dir;
722 const struct nfs_fh *new_dir;
723 const struct qstr *old_name;
724 const struct qstr *new_name;
725};
726
727struct nfs_renameres {
728 struct nfs4_sequence_res seq_res;
729 struct nfs_server *server;
730 struct nfs4_change_info old_cinfo;
731 struct nfs_fattr *old_fattr;
732 struct nfs4_change_info new_cinfo;
733 struct nfs_fattr *new_fattr;
734};
735
736
737#define NFS_AUTH_INFO_MAX_FLAVORS 12
738struct nfs_auth_info {
739 unsigned int flavor_len;
740 rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS];
741};
742
743
744
745
746struct nfs_entry {
747 __u64 ino;
748 __u64 cookie,
749 prev_cookie;
750 const char * name;
751 unsigned int len;
752 int eof;
753 struct nfs_fh * fh;
754 struct nfs_fattr * fattr;
755 unsigned char d_type;
756 struct nfs_server * server;
757};
758
759struct nfs_readdir_arg {
760 struct dentry *dentry;
761 const struct cred *cred;
762 __be32 *verf;
763 u64 cookie;
764 struct page **pages;
765 unsigned int page_len;
766 bool plus;
767};
768
769struct nfs_readdir_res {
770 __be32 *verf;
771};
772
773
774
775
776struct nfs_sattrargs {
777 struct nfs_fh * fh;
778 struct iattr * sattr;
779};
780
781struct nfs_diropargs {
782 struct nfs_fh * fh;
783 const char * name;
784 unsigned int len;
785};
786
787struct nfs_createargs {
788 struct nfs_fh * fh;
789 const char * name;
790 unsigned int len;
791 struct iattr * sattr;
792};
793
794struct nfs_setattrargs {
795 struct nfs4_sequence_args seq_args;
796 struct nfs_fh * fh;
797 nfs4_stateid stateid;
798 struct iattr * iap;
799 const struct nfs_server * server;
800 const u32 * bitmask;
801 const struct nfs4_label *label;
802};
803
804struct nfs_setaclargs {
805 struct nfs4_sequence_args seq_args;
806 struct nfs_fh * fh;
807 size_t acl_len;
808 struct page ** acl_pages;
809};
810
811struct nfs_setaclres {
812 struct nfs4_sequence_res seq_res;
813};
814
815struct nfs_getaclargs {
816 struct nfs4_sequence_args seq_args;
817 struct nfs_fh * fh;
818 size_t acl_len;
819 struct page ** acl_pages;
820};
821
822
823#define NFS4_ACL_TRUNC 0x0001
824struct nfs_getaclres {
825 struct nfs4_sequence_res seq_res;
826 size_t acl_len;
827 size_t acl_data_offset;
828 int acl_flags;
829 struct page * acl_scratch;
830};
831
832struct nfs_setattrres {
833 struct nfs4_sequence_res seq_res;
834 struct nfs_fattr * fattr;
835 const struct nfs_server * server;
836};
837
838struct nfs_linkargs {
839 struct nfs_fh * fromfh;
840 struct nfs_fh * tofh;
841 const char * toname;
842 unsigned int tolen;
843};
844
845struct nfs_symlinkargs {
846 struct nfs_fh * fromfh;
847 const char * fromname;
848 unsigned int fromlen;
849 struct page ** pages;
850 unsigned int pathlen;
851 struct iattr * sattr;
852};
853
854struct nfs_readdirargs {
855 struct nfs_fh * fh;
856 __u32 cookie;
857 unsigned int count;
858 struct page ** pages;
859};
860
861struct nfs3_getaclargs {
862 struct nfs_fh * fh;
863 int mask;
864 struct page ** pages;
865};
866
867struct nfs3_setaclargs {
868 struct inode * inode;
869 int mask;
870 struct posix_acl * acl_access;
871 struct posix_acl * acl_default;
872 size_t len;
873 unsigned int npages;
874 struct page ** pages;
875};
876
877struct nfs_diropok {
878 struct nfs_fh * fh;
879 struct nfs_fattr * fattr;
880};
881
882struct nfs_readlinkargs {
883 struct nfs_fh * fh;
884 unsigned int pgbase;
885 unsigned int pglen;
886 struct page ** pages;
887};
888
889struct nfs3_sattrargs {
890 struct nfs_fh * fh;
891 struct iattr * sattr;
892 unsigned int guard;
893 struct timespec64 guardtime;
894};
895
896struct nfs3_diropargs {
897 struct nfs_fh * fh;
898 const char * name;
899 unsigned int len;
900};
901
902struct nfs3_accessargs {
903 struct nfs_fh * fh;
904 __u32 access;
905};
906
907struct nfs3_createargs {
908 struct nfs_fh * fh;
909 const char * name;
910 unsigned int len;
911 struct iattr * sattr;
912 enum nfs3_createmode createmode;
913 __be32 verifier[2];
914};
915
916struct nfs3_mkdirargs {
917 struct nfs_fh * fh;
918 const char * name;
919 unsigned int len;
920 struct iattr * sattr;
921};
922
923struct nfs3_symlinkargs {
924 struct nfs_fh * fromfh;
925 const char * fromname;
926 unsigned int fromlen;
927 struct page ** pages;
928 unsigned int pathlen;
929 struct iattr * sattr;
930};
931
932struct nfs3_mknodargs {
933 struct nfs_fh * fh;
934 const char * name;
935 unsigned int len;
936 enum nfs3_ftype type;
937 struct iattr * sattr;
938 dev_t rdev;
939};
940
941struct nfs3_linkargs {
942 struct nfs_fh * fromfh;
943 struct nfs_fh * tofh;
944 const char * toname;
945 unsigned int tolen;
946};
947
948struct nfs3_readdirargs {
949 struct nfs_fh * fh;
950 __u64 cookie;
951 __be32 verf[2];
952 bool plus;
953 unsigned int count;
954 struct page ** pages;
955};
956
957struct nfs3_diropres {
958 struct nfs_fattr * dir_attr;
959 struct nfs_fh * fh;
960 struct nfs_fattr * fattr;
961};
962
963struct nfs3_accessres {
964 struct nfs_fattr * fattr;
965 __u32 access;
966};
967
968struct nfs3_readlinkargs {
969 struct nfs_fh * fh;
970 unsigned int pgbase;
971 unsigned int pglen;
972 struct page ** pages;
973};
974
975struct nfs3_linkres {
976 struct nfs_fattr * dir_attr;
977 struct nfs_fattr * fattr;
978};
979
980struct nfs3_readdirres {
981 struct nfs_fattr * dir_attr;
982 __be32 * verf;
983 bool plus;
984};
985
986struct nfs3_getaclres {
987 struct nfs_fattr * fattr;
988 int mask;
989 unsigned int acl_access_count;
990 unsigned int acl_default_count;
991 struct posix_acl * acl_access;
992 struct posix_acl * acl_default;
993};
994
995#if IS_ENABLED(CONFIG_NFS_V4)
996
997typedef u64 clientid4;
998
999struct nfs4_accessargs {
1000 struct nfs4_sequence_args seq_args;
1001 const struct nfs_fh * fh;
1002 const u32 * bitmask;
1003 u32 access;
1004};
1005
1006struct nfs4_accessres {
1007 struct nfs4_sequence_res seq_res;
1008 const struct nfs_server * server;
1009 struct nfs_fattr * fattr;
1010 u32 supported;
1011 u32 access;
1012};
1013
1014struct nfs4_create_arg {
1015 struct nfs4_sequence_args seq_args;
1016 u32 ftype;
1017 union {
1018 struct {
1019 struct page ** pages;
1020 unsigned int len;
1021 } symlink;
1022 struct {
1023 u32 specdata1;
1024 u32 specdata2;
1025 } device;
1026 } u;
1027 const struct qstr * name;
1028 const struct nfs_server * server;
1029 const struct iattr * attrs;
1030 const struct nfs_fh * dir_fh;
1031 const u32 * bitmask;
1032 const struct nfs4_label *label;
1033 umode_t umask;
1034};
1035
1036struct nfs4_create_res {
1037 struct nfs4_sequence_res seq_res;
1038 const struct nfs_server * server;
1039 struct nfs_fh * fh;
1040 struct nfs_fattr * fattr;
1041 struct nfs4_change_info dir_cinfo;
1042};
1043
1044struct nfs4_fsinfo_arg {
1045 struct nfs4_sequence_args seq_args;
1046 const struct nfs_fh * fh;
1047 const u32 * bitmask;
1048};
1049
1050struct nfs4_fsinfo_res {
1051 struct nfs4_sequence_res seq_res;
1052 struct nfs_fsinfo *fsinfo;
1053};
1054
1055struct nfs4_getattr_arg {
1056 struct nfs4_sequence_args seq_args;
1057 const struct nfs_fh * fh;
1058 const u32 * bitmask;
1059};
1060
1061struct nfs4_getattr_res {
1062 struct nfs4_sequence_res seq_res;
1063 const struct nfs_server * server;
1064 struct nfs_fattr * fattr;
1065};
1066
1067struct nfs4_link_arg {
1068 struct nfs4_sequence_args seq_args;
1069 const struct nfs_fh * fh;
1070 const struct nfs_fh * dir_fh;
1071 const struct qstr * name;
1072 const u32 * bitmask;
1073};
1074
1075struct nfs4_link_res {
1076 struct nfs4_sequence_res seq_res;
1077 const struct nfs_server * server;
1078 struct nfs_fattr * fattr;
1079 struct nfs4_change_info cinfo;
1080 struct nfs_fattr * dir_attr;
1081};
1082
1083struct nfs4_lookup_arg {
1084 struct nfs4_sequence_args seq_args;
1085 const struct nfs_fh * dir_fh;
1086 const struct qstr * name;
1087 const u32 * bitmask;
1088};
1089
1090struct nfs4_lookup_res {
1091 struct nfs4_sequence_res seq_res;
1092 const struct nfs_server * server;
1093 struct nfs_fattr * fattr;
1094 struct nfs_fh * fh;
1095};
1096
1097struct nfs4_lookupp_arg {
1098 struct nfs4_sequence_args seq_args;
1099 const struct nfs_fh *fh;
1100 const u32 *bitmask;
1101};
1102
1103struct nfs4_lookupp_res {
1104 struct nfs4_sequence_res seq_res;
1105 const struct nfs_server *server;
1106 struct nfs_fattr *fattr;
1107 struct nfs_fh *fh;
1108};
1109
1110struct nfs4_lookup_root_arg {
1111 struct nfs4_sequence_args seq_args;
1112 const u32 * bitmask;
1113};
1114
1115struct nfs4_pathconf_arg {
1116 struct nfs4_sequence_args seq_args;
1117 const struct nfs_fh * fh;
1118 const u32 * bitmask;
1119};
1120
1121struct nfs4_pathconf_res {
1122 struct nfs4_sequence_res seq_res;
1123 struct nfs_pathconf *pathconf;
1124};
1125
1126struct nfs4_readdir_arg {
1127 struct nfs4_sequence_args seq_args;
1128 const struct nfs_fh * fh;
1129 u64 cookie;
1130 nfs4_verifier verifier;
1131 u32 count;
1132 struct page ** pages;
1133 unsigned int pgbase;
1134 const u32 * bitmask;
1135 bool plus;
1136};
1137
1138struct nfs4_readdir_res {
1139 struct nfs4_sequence_res seq_res;
1140 nfs4_verifier verifier;
1141 unsigned int pgbase;
1142};
1143
1144struct nfs4_readlink {
1145 struct nfs4_sequence_args seq_args;
1146 const struct nfs_fh * fh;
1147 unsigned int pgbase;
1148 unsigned int pglen;
1149 struct page ** pages;
1150};
1151
1152struct nfs4_readlink_res {
1153 struct nfs4_sequence_res seq_res;
1154};
1155
1156struct nfs4_setclientid {
1157 const nfs4_verifier * sc_verifier;
1158 u32 sc_prog;
1159 unsigned int sc_netid_len;
1160 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
1161 unsigned int sc_uaddr_len;
1162 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
1163 struct nfs_client *sc_clnt;
1164 struct rpc_cred *sc_cred;
1165};
1166
1167struct nfs4_setclientid_res {
1168 u64 clientid;
1169 nfs4_verifier confirm;
1170};
1171
1172struct nfs4_statfs_arg {
1173 struct nfs4_sequence_args seq_args;
1174 const struct nfs_fh * fh;
1175 const u32 * bitmask;
1176};
1177
1178struct nfs4_statfs_res {
1179 struct nfs4_sequence_res seq_res;
1180 struct nfs_fsstat *fsstat;
1181};
1182
1183struct nfs4_server_caps_arg {
1184 struct nfs4_sequence_args seq_args;
1185 struct nfs_fh *fhandle;
1186 const u32 * bitmask;
1187};
1188
1189struct nfs4_server_caps_res {
1190 struct nfs4_sequence_res seq_res;
1191 u32 attr_bitmask[3];
1192 u32 exclcreat_bitmask[3];
1193 u32 acl_bitmask;
1194 u32 has_links;
1195 u32 has_symlinks;
1196 u32 fh_expire_type;
1197 u32 case_insensitive;
1198 u32 case_preserving;
1199};
1200
1201#define NFS4_PATHNAME_MAXCOMPONENTS 512
1202struct nfs4_pathname {
1203 unsigned int ncomponents;
1204 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1205};
1206
1207#define NFS4_FS_LOCATION_MAXSERVERS 10
1208struct nfs4_fs_location {
1209 unsigned int nservers;
1210 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1211 struct nfs4_pathname rootpath;
1212};
1213
1214#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1215struct nfs4_fs_locations {
1216 struct nfs_fattr fattr;
1217 const struct nfs_server *server;
1218 struct nfs4_pathname fs_path;
1219 int nlocations;
1220 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
1221};
1222
1223struct nfs4_fs_locations_arg {
1224 struct nfs4_sequence_args seq_args;
1225 const struct nfs_fh *dir_fh;
1226 const struct nfs_fh *fh;
1227 const struct qstr *name;
1228 struct page *page;
1229 const u32 *bitmask;
1230 clientid4 clientid;
1231 unsigned char migration:1, renew:1;
1232};
1233
1234struct nfs4_fs_locations_res {
1235 struct nfs4_sequence_res seq_res;
1236 struct nfs4_fs_locations *fs_locations;
1237 unsigned char migration:1, renew:1;
1238};
1239
1240struct nfs4_secinfo4 {
1241 u32 flavor;
1242 struct rpcsec_gss_info flavor_info;
1243};
1244
1245struct nfs4_secinfo_flavors {
1246 unsigned int num_flavors;
1247 struct nfs4_secinfo4 flavors[];
1248};
1249
1250struct nfs4_secinfo_arg {
1251 struct nfs4_sequence_args seq_args;
1252 const struct nfs_fh *dir_fh;
1253 const struct qstr *name;
1254};
1255
1256struct nfs4_secinfo_res {
1257 struct nfs4_sequence_res seq_res;
1258 struct nfs4_secinfo_flavors *flavors;
1259};
1260
1261struct nfs4_fsid_present_arg {
1262 struct nfs4_sequence_args seq_args;
1263 const struct nfs_fh *fh;
1264 clientid4 clientid;
1265 unsigned char renew:1;
1266};
1267
1268struct nfs4_fsid_present_res {
1269 struct nfs4_sequence_res seq_res;
1270 struct nfs_fh *fh;
1271 unsigned char renew:1;
1272};
1273
1274#endif
1275
1276struct nfstime4 {
1277 u64 seconds;
1278 u32 nseconds;
1279};
1280
1281#ifdef CONFIG_NFS_V4_1
1282
1283struct pnfs_commit_bucket {
1284 struct list_head written;
1285 struct list_head committing;
1286 struct pnfs_layout_segment *lseg;
1287 struct nfs_writeverf direct_verf;
1288};
1289
1290struct pnfs_commit_array {
1291 struct list_head cinfo_list;
1292 struct list_head lseg_list;
1293 struct pnfs_layout_segment *lseg;
1294 struct rcu_head rcu;
1295 refcount_t refcount;
1296 unsigned int nbuckets;
1297 struct pnfs_commit_bucket buckets[];
1298};
1299
1300struct pnfs_ds_commit_info {
1301 struct list_head commits;
1302 unsigned int nwritten;
1303 unsigned int ncommitting;
1304 const struct pnfs_commit_ops *ops;
1305};
1306
1307struct nfs41_state_protection {
1308 u32 how;
1309 struct nfs4_op_map enforce;
1310 struct nfs4_op_map allow;
1311};
1312
1313struct nfs41_exchange_id_args {
1314 struct nfs_client *client;
1315 nfs4_verifier verifier;
1316 u32 flags;
1317 struct nfs41_state_protection state_protect;
1318};
1319
1320struct nfs41_server_owner {
1321 uint64_t minor_id;
1322 uint32_t major_id_sz;
1323 char major_id[NFS4_OPAQUE_LIMIT];
1324};
1325
1326struct nfs41_server_scope {
1327 uint32_t server_scope_sz;
1328 char server_scope[NFS4_OPAQUE_LIMIT];
1329};
1330
1331struct nfs41_impl_id {
1332 char domain[NFS4_OPAQUE_LIMIT + 1];
1333 char name[NFS4_OPAQUE_LIMIT + 1];
1334 struct nfstime4 date;
1335};
1336
1337#define MAX_BIND_CONN_TO_SESSION_RETRIES 3
1338struct nfs41_bind_conn_to_session_args {
1339 struct nfs_client *client;
1340 struct nfs4_sessionid sessionid;
1341 u32 dir;
1342 bool use_conn_in_rdma_mode;
1343 int retries;
1344};
1345
1346struct nfs41_bind_conn_to_session_res {
1347 struct nfs4_sessionid sessionid;
1348 u32 dir;
1349 bool use_conn_in_rdma_mode;
1350};
1351
1352struct nfs41_exchange_id_res {
1353 u64 clientid;
1354 u32 seqid;
1355 u32 flags;
1356 struct nfs41_server_owner *server_owner;
1357 struct nfs41_server_scope *server_scope;
1358 struct nfs41_impl_id *impl_id;
1359 struct nfs41_state_protection state_protect;
1360};
1361
1362struct nfs41_create_session_args {
1363 struct nfs_client *client;
1364 u64 clientid;
1365 uint32_t seqid;
1366 uint32_t flags;
1367 uint32_t cb_program;
1368 struct nfs4_channel_attrs fc_attrs;
1369 struct nfs4_channel_attrs bc_attrs;
1370};
1371
1372struct nfs41_create_session_res {
1373 struct nfs4_sessionid sessionid;
1374 uint32_t seqid;
1375 uint32_t flags;
1376 struct nfs4_channel_attrs fc_attrs;
1377 struct nfs4_channel_attrs bc_attrs;
1378};
1379
1380struct nfs41_reclaim_complete_args {
1381 struct nfs4_sequence_args seq_args;
1382
1383 unsigned char one_fs:1;
1384};
1385
1386struct nfs41_reclaim_complete_res {
1387 struct nfs4_sequence_res seq_res;
1388};
1389
1390#define SECINFO_STYLE_CURRENT_FH 0
1391#define SECINFO_STYLE_PARENT 1
1392struct nfs41_secinfo_no_name_args {
1393 struct nfs4_sequence_args seq_args;
1394 int style;
1395};
1396
1397struct nfs41_test_stateid_args {
1398 struct nfs4_sequence_args seq_args;
1399 nfs4_stateid *stateid;
1400};
1401
1402struct nfs41_test_stateid_res {
1403 struct nfs4_sequence_res seq_res;
1404 unsigned int status;
1405};
1406
1407struct nfs41_free_stateid_args {
1408 struct nfs4_sequence_args seq_args;
1409 nfs4_stateid stateid;
1410};
1411
1412struct nfs41_free_stateid_res {
1413 struct nfs4_sequence_res seq_res;
1414 unsigned int status;
1415};
1416
1417#else
1418
1419struct pnfs_ds_commit_info {
1420};
1421
1422#endif
1423
1424#ifdef CONFIG_NFS_V4_2
1425struct nfs42_falloc_args {
1426 struct nfs4_sequence_args seq_args;
1427
1428 struct nfs_fh *falloc_fh;
1429 nfs4_stateid falloc_stateid;
1430 u64 falloc_offset;
1431 u64 falloc_length;
1432 const u32 *falloc_bitmask;
1433};
1434
1435struct nfs42_falloc_res {
1436 struct nfs4_sequence_res seq_res;
1437 unsigned int status;
1438
1439 struct nfs_fattr *falloc_fattr;
1440 const struct nfs_server *falloc_server;
1441};
1442
1443struct nfs42_copy_args {
1444 struct nfs4_sequence_args seq_args;
1445
1446 struct nfs_fh *src_fh;
1447 nfs4_stateid src_stateid;
1448 u64 src_pos;
1449
1450 struct nfs_fh *dst_fh;
1451 nfs4_stateid dst_stateid;
1452 u64 dst_pos;
1453
1454 u64 count;
1455 bool sync;
1456 struct nl4_server *cp_src;
1457};
1458
1459struct nfs42_write_res {
1460 nfs4_stateid stateid;
1461 u64 count;
1462 struct nfs_writeverf verifier;
1463};
1464
1465struct nfs42_copy_res {
1466 struct nfs4_sequence_res seq_res;
1467 struct nfs42_write_res write_res;
1468 bool consecutive;
1469 bool synchronous;
1470 struct nfs_commitres commit_res;
1471};
1472
1473struct nfs42_offload_status_args {
1474 struct nfs4_sequence_args osa_seq_args;
1475 struct nfs_fh *osa_src_fh;
1476 nfs4_stateid osa_stateid;
1477};
1478
1479struct nfs42_offload_status_res {
1480 struct nfs4_sequence_res osr_seq_res;
1481 uint64_t osr_count;
1482 int osr_status;
1483};
1484
1485struct nfs42_copy_notify_args {
1486 struct nfs4_sequence_args cna_seq_args;
1487
1488 struct nfs_fh *cna_src_fh;
1489 nfs4_stateid cna_src_stateid;
1490 struct nl4_server cna_dst;
1491};
1492
1493struct nfs42_copy_notify_res {
1494 struct nfs4_sequence_res cnr_seq_res;
1495
1496 struct nfstime4 cnr_lease_time;
1497 nfs4_stateid cnr_stateid;
1498 struct nl4_server cnr_src;
1499};
1500
1501struct nfs42_seek_args {
1502 struct nfs4_sequence_args seq_args;
1503
1504 struct nfs_fh *sa_fh;
1505 nfs4_stateid sa_stateid;
1506 u64 sa_offset;
1507 u32 sa_what;
1508};
1509
1510struct nfs42_seek_res {
1511 struct nfs4_sequence_res seq_res;
1512 unsigned int status;
1513
1514 u32 sr_eof;
1515 u64 sr_offset;
1516};
1517
1518struct nfs42_setxattrargs {
1519 struct nfs4_sequence_args seq_args;
1520 struct nfs_fh *fh;
1521 const char *xattr_name;
1522 u32 xattr_flags;
1523 size_t xattr_len;
1524 struct page **xattr_pages;
1525};
1526
1527struct nfs42_setxattrres {
1528 struct nfs4_sequence_res seq_res;
1529 struct nfs4_change_info cinfo;
1530};
1531
1532struct nfs42_getxattrargs {
1533 struct nfs4_sequence_args seq_args;
1534 struct nfs_fh *fh;
1535 const char *xattr_name;
1536 size_t xattr_len;
1537 struct page **xattr_pages;
1538};
1539
1540struct nfs42_getxattrres {
1541 struct nfs4_sequence_res seq_res;
1542 size_t xattr_len;
1543};
1544
1545struct nfs42_listxattrsargs {
1546 struct nfs4_sequence_args seq_args;
1547 struct nfs_fh *fh;
1548 u32 count;
1549 u64 cookie;
1550 struct page **xattr_pages;
1551};
1552
1553struct nfs42_listxattrsres {
1554 struct nfs4_sequence_res seq_res;
1555 struct page *scratch;
1556 void *xattr_buf;
1557 size_t xattr_len;
1558 u64 cookie;
1559 bool eof;
1560 size_t copied;
1561};
1562
1563struct nfs42_removexattrargs {
1564 struct nfs4_sequence_args seq_args;
1565 struct nfs_fh *fh;
1566 const char *xattr_name;
1567};
1568
1569struct nfs42_removexattrres {
1570 struct nfs4_sequence_res seq_res;
1571 struct nfs4_change_info cinfo;
1572};
1573
1574#endif
1575
1576struct nfs_page;
1577
1578#define NFS_PAGEVEC_SIZE (8U)
1579
1580struct nfs_page_array {
1581 struct page **pagevec;
1582 unsigned int npages;
1583 struct page *page_array[NFS_PAGEVEC_SIZE];
1584};
1585
1586
1587enum {
1588 NFS_IOHDR_ERROR = 0,
1589 NFS_IOHDR_EOF,
1590 NFS_IOHDR_REDO,
1591 NFS_IOHDR_STAT,
1592 NFS_IOHDR_RESEND_PNFS,
1593 NFS_IOHDR_RESEND_MDS,
1594};
1595
1596struct nfs_io_completion;
1597struct nfs_pgio_header {
1598 struct inode *inode;
1599 const struct cred *cred;
1600 struct list_head pages;
1601 struct nfs_page *req;
1602 struct nfs_writeverf verf;
1603 fmode_t rw_mode;
1604 struct pnfs_layout_segment *lseg;
1605 loff_t io_start;
1606 const struct rpc_call_ops *mds_ops;
1607 void (*release) (struct nfs_pgio_header *hdr);
1608 const struct nfs_pgio_completion_ops *completion_ops;
1609 const struct nfs_rw_ops *rw_ops;
1610 struct nfs_io_completion *io_completion;
1611 struct nfs_direct_req *dreq;
1612
1613 int pnfs_error;
1614 int error;
1615 unsigned int good_bytes;
1616 unsigned long flags;
1617
1618
1619
1620
1621 struct rpc_task task;
1622 struct nfs_fattr fattr;
1623 struct nfs_pgio_args args;
1624 struct nfs_pgio_res res;
1625 unsigned long timestamp;
1626 int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *);
1627 __u64 mds_offset;
1628 struct nfs_page_array page_array;
1629 struct nfs_client *ds_clp;
1630 u32 ds_commit_idx;
1631 u32 pgio_mirror_idx;
1632};
1633
1634struct nfs_mds_commit_info {
1635 atomic_t rpcs_out;
1636 atomic_long_t ncommit;
1637 struct list_head list;
1638};
1639
1640struct nfs_commit_info;
1641struct nfs_commit_data;
1642struct nfs_inode;
1643struct nfs_commit_completion_ops {
1644 void (*completion) (struct nfs_commit_data *data);
1645 void (*resched_write) (struct nfs_commit_info *, struct nfs_page *);
1646};
1647
1648struct nfs_commit_info {
1649 struct inode *inode;
1650 struct nfs_mds_commit_info *mds;
1651 struct pnfs_ds_commit_info *ds;
1652 struct nfs_direct_req *dreq;
1653 const struct nfs_commit_completion_ops *completion_ops;
1654};
1655
1656struct nfs_commit_data {
1657 struct rpc_task task;
1658 struct inode *inode;
1659 const struct cred *cred;
1660 struct nfs_fattr fattr;
1661 struct nfs_writeverf verf;
1662 struct list_head pages;
1663 struct list_head list;
1664 struct nfs_direct_req *dreq;
1665 struct nfs_commitargs args;
1666 struct nfs_commitres res;
1667 struct nfs_open_context *context;
1668 struct pnfs_layout_segment *lseg;
1669 struct nfs_client *ds_clp;
1670 int ds_commit_index;
1671 loff_t lwb;
1672 const struct rpc_call_ops *mds_ops;
1673 const struct nfs_commit_completion_ops *completion_ops;
1674 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1675 unsigned long flags;
1676};
1677
1678struct nfs_pgio_completion_ops {
1679 void (*error_cleanup)(struct list_head *head, int);
1680 void (*init_hdr)(struct nfs_pgio_header *hdr);
1681 void (*completion)(struct nfs_pgio_header *hdr);
1682 void (*reschedule_io)(struct nfs_pgio_header *hdr);
1683};
1684
1685struct nfs_unlinkdata {
1686 struct nfs_removeargs args;
1687 struct nfs_removeres res;
1688 struct dentry *dentry;
1689 wait_queue_head_t wq;
1690 const struct cred *cred;
1691 struct nfs_fattr dir_attr;
1692 long timeout;
1693};
1694
1695struct nfs_renamedata {
1696 struct nfs_renameargs args;
1697 struct nfs_renameres res;
1698 const struct cred *cred;
1699 struct inode *old_dir;
1700 struct dentry *old_dentry;
1701 struct nfs_fattr old_fattr;
1702 struct inode *new_dir;
1703 struct dentry *new_dentry;
1704 struct nfs_fattr new_fattr;
1705 void (*complete)(struct rpc_task *, struct nfs_renamedata *);
1706 long timeout;
1707 bool cancelled;
1708};
1709
1710struct nfs_access_entry;
1711struct nfs_client;
1712struct rpc_timeout;
1713struct nfs_subversion;
1714struct nfs_mount_info;
1715struct nfs_client_initdata;
1716struct nfs_pageio_descriptor;
1717struct fs_context;
1718
1719
1720
1721
1722struct nfs_rpc_ops {
1723 u32 version;
1724 const struct dentry_operations *dentry_ops;
1725 const struct inode_operations *dir_inode_ops;
1726 const struct inode_operations *file_inode_ops;
1727 const struct file_operations *file_ops;
1728 const struct nlmclnt_operations *nlmclnt_ops;
1729
1730 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1731 struct nfs_fsinfo *);
1732 int (*submount) (struct fs_context *, struct nfs_server *);
1733 int (*try_get_tree) (struct fs_context *);
1734 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1735 struct nfs_fattr *, struct inode *);
1736 int (*setattr) (struct dentry *, struct nfs_fattr *,
1737 struct iattr *);
1738 int (*lookup) (struct inode *, struct dentry *,
1739 struct nfs_fh *, struct nfs_fattr *);
1740 int (*lookupp) (struct inode *, struct nfs_fh *,
1741 struct nfs_fattr *);
1742 int (*access) (struct inode *, struct nfs_access_entry *, const struct cred *);
1743 int (*readlink)(struct inode *, struct page *, unsigned int,
1744 unsigned int);
1745 int (*create) (struct inode *, struct dentry *,
1746 struct iattr *, int);
1747 int (*remove) (struct inode *, struct dentry *);
1748 void (*unlink_setup) (struct rpc_message *, struct dentry *, struct inode *);
1749 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
1750 int (*unlink_done) (struct rpc_task *, struct inode *);
1751 void (*rename_setup) (struct rpc_message *msg,
1752 struct dentry *old_dentry,
1753 struct dentry *new_dentry);
1754 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
1755 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1756 int (*link) (struct inode *, struct inode *, const struct qstr *);
1757 int (*symlink) (struct inode *, struct dentry *, struct page *,
1758 unsigned int, struct iattr *);
1759 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1760 int (*rmdir) (struct inode *, const struct qstr *);
1761 int (*readdir) (struct nfs_readdir_arg *, struct nfs_readdir_res *);
1762 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1763 dev_t);
1764 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1765 struct nfs_fsstat *);
1766 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1767 struct nfs_fsinfo *);
1768 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1769 struct nfs_pathconf *);
1770 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1771 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, bool);
1772 int (*pgio_rpc_prepare)(struct rpc_task *,
1773 struct nfs_pgio_header *);
1774 void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);
1775 int (*read_done)(struct rpc_task *, struct nfs_pgio_header *);
1776 void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *,
1777 struct rpc_clnt **);
1778 int (*write_done)(struct rpc_task *, struct nfs_pgio_header *);
1779 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *,
1780 struct rpc_clnt **);
1781 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1782 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1783 int (*lock)(struct file *, int, struct file_lock *);
1784 int (*lock_check_bounds)(const struct file_lock *);
1785 void (*clear_acl_cache)(struct inode *);
1786 void (*close_context)(struct nfs_open_context *ctx, int);
1787 struct inode * (*open_context) (struct inode *dir,
1788 struct nfs_open_context *ctx,
1789 int open_flags,
1790 struct iattr *iattr,
1791 int *);
1792 int (*have_delegation)(struct inode *, fmode_t);
1793 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
1794 struct nfs_client *(*init_client) (struct nfs_client *,
1795 const struct nfs_client_initdata *);
1796 void (*free_client) (struct nfs_client *);
1797 struct nfs_server *(*create_server)(struct fs_context *);
1798 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1799 struct nfs_fattr *, rpc_authflavor_t);
1800 int (*discover_trunking)(struct nfs_server *, struct nfs_fh *);
1801};
1802
1803
1804
1805
1806
1807
1808#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1809
1810
1811
1812
1813extern const struct nfs_rpc_ops nfs_v2_clientops;
1814extern const struct nfs_rpc_ops nfs_v3_clientops;
1815extern const struct nfs_rpc_ops nfs_v4_clientops;
1816extern const struct rpc_version nfs_version2;
1817extern const struct rpc_version nfs_version3;
1818extern const struct rpc_version nfs_version4;
1819
1820extern const struct rpc_version nfsacl_version3;
1821extern const struct rpc_program nfsacl_program;
1822
1823#endif
1824