1#ifndef _LINUX_NFS_XDR_H
2#define _LINUX_NFS_XDR_H
3
4#include <linux/nfsacl.h>
5#include <linux/sunrpc/gss_api.h>
6
7
8
9
10
11
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
17struct nfs4_string {
18 unsigned int len;
19 char *data;
20};
21
22struct nfs_fsid {
23 uint64_t major;
24 uint64_t minor;
25};
26
27
28
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
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
44struct nfs_fattr {
45 unsigned int valid;
46 umode_t mode;
47 __u32 nlink;
48 kuid_t uid;
49 kgid_t gid;
50 dev_t rdev;
51 __u64 size;
52 union {
53 struct {
54 __u32 blocksize;
55 __u32 blocks;
56 } nfs2;
57 struct {
58 __u64 used;
59 } nfs3;
60 } du;
61 struct nfs_fsid fsid;
62 __u64 fileid;
63 __u64 mounted_on_fileid;
64 struct timespec atime;
65 struct timespec mtime;
66 struct timespec ctime;
67 __u64 change_attr;
68 __u64 pre_change_attr;
69 __u64 pre_size;
70 struct timespec pre_mtime;
71 struct timespec pre_ctime;
72 unsigned long time_start;
73 unsigned long gencount;
74 struct nfs4_string *owner_name;
75 struct nfs4_string *group_name;
76 struct nfs4_threshold *mdsthreshold;
77};
78
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)
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)
104#define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25)
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 \
117 | NFS_ATTR_FATTR_CTIME \
118 | NFS_ATTR_FATTR_CHANGE)
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 \
124 | NFS_ATTR_FATTR_SPACE_USED \
125 | NFS_ATTR_FATTR_V4_SECURITY_LABEL)
126
127
128
129
130struct nfs_fsinfo {
131 struct nfs_fattr *fattr;
132 __u32 rtmax;
133 __u32 rtpref;
134 __u32 rtmult;
135 __u32 wtmax;
136 __u32 wtpref;
137 __u32 wtmult;
138 __u32 dtpref;
139 __u64 maxfilesize;
140 struct timespec time_delta;
141 __u32 lease_time;
142 __u32 layouttype;
143 __u32 blksize;
144};
145
146struct nfs_fsstat {
147 struct nfs_fattr *fattr;
148 __u64 tbytes;
149 __u64 fbytes;
150 __u64 abytes;
151 __u64 tfiles;
152 __u64 ffiles;
153 __u64 afiles;
154};
155
156struct nfs2_fsstat {
157 __u32 tsize;
158 __u32 bsize;
159 __u32 blocks;
160 __u32 bfree;
161 __u32 bavail;
162};
163
164struct nfs_pathconf {
165 struct nfs_fattr *fattr;
166 __u32 max_link;
167 __u32 max_namelen;
168};
169
170struct nfs4_change_info {
171 u32 atomic;
172 u64 before;
173 u64 after;
174};
175
176struct nfs_seqid;
177
178
179struct nfs4_channel_attrs {
180 u32 max_rqst_sz;
181 u32 max_resp_sz;
182 u32 max_resp_sz_cached;
183 u32 max_ops;
184 u32 max_reqs;
185};
186
187struct nfs4_slot;
188struct nfs4_sequence_args {
189 struct nfs4_slot *sa_slot;
190 u8 sa_cache_this : 1,
191 sa_privileged : 1;
192};
193
194struct nfs4_sequence_res {
195 struct nfs4_slot *sr_slot;
196 unsigned long sr_timestamp;
197 int sr_status;
198 u32 sr_status_flags;
199 u32 sr_highest_slotid;
200 u32 sr_target_highest_slotid;
201};
202
203struct nfs4_get_lease_time_args {
204 struct nfs4_sequence_args la_seq_args;
205};
206
207struct nfs4_get_lease_time_res {
208 struct nfs4_sequence_res lr_seq_res;
209 struct nfs_fsinfo *lr_fsinfo;
210};
211
212#define PNFS_LAYOUT_MAXSIZE 4096
213
214struct nfs4_layoutdriver_data {
215 struct page **pages;
216 __u32 pglen;
217 __u32 len;
218};
219
220struct pnfs_layout_range {
221 u32 iomode;
222 u64 offset;
223 u64 length;
224};
225
226struct nfs4_layoutget_args {
227 struct nfs4_sequence_args seq_args;
228 __u32 type;
229 struct pnfs_layout_range range;
230 __u64 minlength;
231 __u32 maxcount;
232 struct inode *inode;
233 struct nfs_open_context *ctx;
234 nfs4_stateid stateid;
235 unsigned long timestamp;
236 struct nfs4_layoutdriver_data layout;
237};
238
239struct nfs4_layoutget_res {
240 struct nfs4_sequence_res seq_res;
241 __u32 return_on_close;
242 struct pnfs_layout_range range;
243 __u32 type;
244 nfs4_stateid stateid;
245 struct nfs4_layoutdriver_data *layoutp;
246};
247
248struct nfs4_layoutget {
249 struct nfs4_layoutget_args args;
250 struct nfs4_layoutget_res res;
251 struct rpc_cred *cred;
252 gfp_t gfp_flags;
253};
254
255struct nfs4_getdevicelist_args {
256 struct nfs4_sequence_args seq_args;
257 const struct nfs_fh *fh;
258 u32 layoutclass;
259};
260
261struct nfs4_getdevicelist_res {
262 struct nfs4_sequence_res seq_res;
263 struct pnfs_devicelist *devlist;
264};
265
266struct nfs4_getdeviceinfo_args {
267 struct nfs4_sequence_args seq_args;
268 struct pnfs_device *pdev;
269};
270
271struct nfs4_getdeviceinfo_res {
272 struct nfs4_sequence_res seq_res;
273 struct pnfs_device *pdev;
274};
275
276struct nfs4_layoutcommit_args {
277 struct nfs4_sequence_args seq_args;
278 nfs4_stateid stateid;
279 __u64 lastbytewritten;
280 struct inode *inode;
281 const u32 *bitmask;
282};
283
284struct nfs4_layoutcommit_res {
285 struct nfs4_sequence_res seq_res;
286 struct nfs_fattr *fattr;
287 const struct nfs_server *server;
288 int status;
289};
290
291struct nfs4_layoutcommit_data {
292 struct rpc_task task;
293 struct nfs_fattr fattr;
294 struct list_head lseg_list;
295 struct rpc_cred *cred;
296 struct nfs4_layoutcommit_args args;
297 struct nfs4_layoutcommit_res res;
298};
299
300struct nfs4_layoutreturn_args {
301 struct nfs4_sequence_args seq_args;
302 struct pnfs_layout_hdr *layout;
303 struct inode *inode;
304 nfs4_stateid stateid;
305 __u32 layout_type;
306};
307
308struct nfs4_layoutreturn_res {
309 struct nfs4_sequence_res seq_res;
310 u32 lrs_present;
311 nfs4_stateid stateid;
312};
313
314struct nfs4_layoutreturn {
315 struct nfs4_layoutreturn_args args;
316 struct nfs4_layoutreturn_res res;
317 struct rpc_cred *cred;
318 struct nfs_client *clp;
319 int rpc_status;
320};
321
322struct stateowner_id {
323 __u64 create_time;
324 __u32 uniquifier;
325};
326
327
328
329
330struct nfs_openargs {
331 struct nfs4_sequence_args seq_args;
332 const struct nfs_fh * fh;
333 struct nfs_seqid * seqid;
334 int open_flags;
335 fmode_t fmode;
336 u32 access;
337 __u64 clientid;
338 struct stateowner_id id;
339 union {
340 struct {
341 struct iattr * attrs;
342 nfs4_verifier verifier;
343 };
344 nfs4_stateid delegation;
345 fmode_t delegation_type;
346 } u;
347 const struct qstr * name;
348 const struct nfs_server *server;
349 const u32 * bitmask;
350 const u32 * open_bitmap;
351 __u32 claim;
352 enum createmode4 createmode;
353 const struct nfs4_label *label;
354};
355
356struct nfs_openres {
357 struct nfs4_sequence_res seq_res;
358 nfs4_stateid stateid;
359 struct nfs_fh fh;
360 struct nfs4_change_info cinfo;
361 __u32 rflags;
362 struct nfs_fattr * f_attr;
363 struct nfs4_label *f_label;
364 struct nfs_seqid * seqid;
365 const struct nfs_server *server;
366 fmode_t delegation_type;
367 nfs4_stateid delegation;
368 __u32 do_recall;
369 __u64 maxsize;
370 __u32 attrset[NFS4_BITMAP_SIZE];
371 struct nfs4_string *owner;
372 struct nfs4_string *group_owner;
373 __u32 access_request;
374 __u32 access_supported;
375 __u32 access_result;
376};
377
378
379
380
381struct nfs_open_confirmargs {
382 const struct nfs_fh * fh;
383 nfs4_stateid * stateid;
384 struct nfs_seqid * seqid;
385};
386
387struct nfs_open_confirmres {
388 nfs4_stateid stateid;
389 struct nfs_seqid * seqid;
390};
391
392
393
394
395struct nfs_closeargs {
396 struct nfs4_sequence_args seq_args;
397 struct nfs_fh * fh;
398 nfs4_stateid * stateid;
399 struct nfs_seqid * seqid;
400 fmode_t fmode;
401 const u32 * bitmask;
402};
403
404struct nfs_closeres {
405 struct nfs4_sequence_res seq_res;
406 nfs4_stateid stateid;
407 struct nfs_fattr * fattr;
408 struct nfs_seqid * seqid;
409 const struct nfs_server *server;
410};
411
412
413
414struct nfs_lowner {
415 __u64 clientid;
416 __u64 id;
417 dev_t s_dev;
418};
419
420struct nfs_lock_args {
421 struct nfs4_sequence_args seq_args;
422 struct nfs_fh * fh;
423 struct file_lock * fl;
424 struct nfs_seqid * lock_seqid;
425 nfs4_stateid * lock_stateid;
426 struct nfs_seqid * open_seqid;
427 nfs4_stateid * open_stateid;
428 struct nfs_lowner lock_owner;
429 unsigned char block : 1;
430 unsigned char reclaim : 1;
431 unsigned char new_lock_owner : 1;
432};
433
434struct nfs_lock_res {
435 struct nfs4_sequence_res seq_res;
436 nfs4_stateid stateid;
437 struct nfs_seqid * lock_seqid;
438 struct nfs_seqid * open_seqid;
439};
440
441struct nfs_locku_args {
442 struct nfs4_sequence_args seq_args;
443 struct nfs_fh * fh;
444 struct file_lock * fl;
445 struct nfs_seqid * seqid;
446 nfs4_stateid * stateid;
447};
448
449struct nfs_locku_res {
450 struct nfs4_sequence_res seq_res;
451 nfs4_stateid stateid;
452 struct nfs_seqid * seqid;
453};
454
455struct nfs_lockt_args {
456 struct nfs4_sequence_args seq_args;
457 struct nfs_fh * fh;
458 struct file_lock * fl;
459 struct nfs_lowner lock_owner;
460};
461
462struct nfs_lockt_res {
463 struct nfs4_sequence_res seq_res;
464 struct file_lock * denied;
465};
466
467struct nfs_release_lockowner_args {
468 struct nfs_lowner lock_owner;
469};
470
471struct nfs4_delegreturnargs {
472 struct nfs4_sequence_args seq_args;
473 const struct nfs_fh *fhandle;
474 const nfs4_stateid *stateid;
475 const u32 * bitmask;
476};
477
478struct nfs4_delegreturnres {
479 struct nfs4_sequence_res seq_res;
480 struct nfs_fattr * fattr;
481 const struct nfs_server *server;
482};
483
484
485
486
487struct nfs_readargs {
488 struct nfs4_sequence_args seq_args;
489 struct nfs_fh * fh;
490 struct nfs_open_context *context;
491 struct nfs_lock_context *lock_context;
492 nfs4_stateid stateid;
493 __u64 offset;
494 __u32 count;
495 unsigned int pgbase;
496 struct page ** pages;
497};
498
499struct nfs_readres {
500 struct nfs4_sequence_res seq_res;
501 struct nfs_fattr * fattr;
502 __u32 count;
503 int eof;
504};
505
506
507
508
509struct nfs_writeargs {
510 struct nfs4_sequence_args seq_args;
511 struct nfs_fh * fh;
512 struct nfs_open_context *context;
513 struct nfs_lock_context *lock_context;
514 nfs4_stateid stateid;
515 __u64 offset;
516 __u32 count;
517 enum nfs3_stable_how stable;
518 unsigned int pgbase;
519 struct page ** pages;
520 const u32 * bitmask;
521};
522
523struct nfs_write_verifier {
524 char data[8];
525};
526
527struct nfs_writeverf {
528 struct nfs_write_verifier verifier;
529 enum nfs3_stable_how committed;
530};
531
532struct nfs_writeres {
533 struct nfs4_sequence_res seq_res;
534 struct nfs_fattr * fattr;
535 struct nfs_writeverf * verf;
536 __u32 count;
537 const struct nfs_server *server;
538};
539
540
541
542
543struct nfs_commitargs {
544 struct nfs4_sequence_args seq_args;
545 struct nfs_fh *fh;
546 __u64 offset;
547 __u32 count;
548 const u32 *bitmask;
549};
550
551struct nfs_commitres {
552 struct nfs4_sequence_res seq_res;
553 struct nfs_fattr *fattr;
554 struct nfs_writeverf *verf;
555 const struct nfs_server *server;
556};
557
558
559
560
561struct nfs_removeargs {
562 struct nfs4_sequence_args seq_args;
563 const struct nfs_fh *fh;
564 struct qstr name;
565};
566
567struct nfs_removeres {
568 struct nfs4_sequence_res seq_res;
569 const struct nfs_server *server;
570 struct nfs_fattr *dir_attr;
571 struct nfs4_change_info cinfo;
572};
573
574
575
576
577struct nfs_renameargs {
578 struct nfs4_sequence_args seq_args;
579 const struct nfs_fh *old_dir;
580 const struct nfs_fh *new_dir;
581 const struct qstr *old_name;
582 const struct qstr *new_name;
583};
584
585struct nfs_renameres {
586 struct nfs4_sequence_res seq_res;
587 const struct nfs_server *server;
588 struct nfs4_change_info old_cinfo;
589 struct nfs_fattr *old_fattr;
590 struct nfs4_change_info new_cinfo;
591 struct nfs_fattr *new_fattr;
592};
593
594
595
596
597struct nfs_entry {
598 __u64 ino;
599 __u64 cookie,
600 prev_cookie;
601 const char * name;
602 unsigned int len;
603 int eof;
604 struct nfs_fh * fh;
605 struct nfs_fattr * fattr;
606 struct nfs4_label *label;
607 unsigned char d_type;
608 struct nfs_server * server;
609};
610
611
612
613
614struct nfs_sattrargs {
615 struct nfs_fh * fh;
616 struct iattr * sattr;
617};
618
619struct nfs_diropargs {
620 struct nfs_fh * fh;
621 const char * name;
622 unsigned int len;
623};
624
625struct nfs_createargs {
626 struct nfs_fh * fh;
627 const char * name;
628 unsigned int len;
629 struct iattr * sattr;
630};
631
632struct nfs_setattrargs {
633 struct nfs4_sequence_args seq_args;
634 struct nfs_fh * fh;
635 nfs4_stateid stateid;
636 struct iattr * iap;
637 const struct nfs_server * server;
638 const u32 * bitmask;
639 const struct nfs4_label *label;
640};
641
642struct nfs_setaclargs {
643 struct nfs4_sequence_args seq_args;
644 struct nfs_fh * fh;
645 size_t acl_len;
646 unsigned int acl_pgbase;
647 struct page ** acl_pages;
648};
649
650struct nfs_setaclres {
651 struct nfs4_sequence_res seq_res;
652};
653
654struct nfs_getaclargs {
655 struct nfs4_sequence_args seq_args;
656 struct nfs_fh * fh;
657 size_t acl_len;
658 unsigned int acl_pgbase;
659 struct page ** acl_pages;
660};
661
662
663#define NFS4_ACL_TRUNC 0x0001
664struct nfs_getaclres {
665 struct nfs4_sequence_res seq_res;
666 size_t acl_len;
667 size_t acl_data_offset;
668 int acl_flags;
669 struct page * acl_scratch;
670};
671
672struct nfs_setattrres {
673 struct nfs4_sequence_res seq_res;
674 struct nfs_fattr * fattr;
675 struct nfs4_label *label;
676 const struct nfs_server * server;
677};
678
679struct nfs_linkargs {
680 struct nfs_fh * fromfh;
681 struct nfs_fh * tofh;
682 const char * toname;
683 unsigned int tolen;
684};
685
686struct nfs_symlinkargs {
687 struct nfs_fh * fromfh;
688 const char * fromname;
689 unsigned int fromlen;
690 struct page ** pages;
691 unsigned int pathlen;
692 struct iattr * sattr;
693};
694
695struct nfs_readdirargs {
696 struct nfs_fh * fh;
697 __u32 cookie;
698 unsigned int count;
699 struct page ** pages;
700};
701
702struct nfs3_getaclargs {
703 struct nfs_fh * fh;
704 int mask;
705 struct page ** pages;
706};
707
708struct nfs3_setaclargs {
709 struct inode * inode;
710 int mask;
711 struct posix_acl * acl_access;
712 struct posix_acl * acl_default;
713 size_t len;
714 unsigned int npages;
715 struct page ** pages;
716};
717
718struct nfs_diropok {
719 struct nfs_fh * fh;
720 struct nfs_fattr * fattr;
721};
722
723struct nfs_readlinkargs {
724 struct nfs_fh * fh;
725 unsigned int pgbase;
726 unsigned int pglen;
727 struct page ** pages;
728};
729
730struct nfs3_sattrargs {
731 struct nfs_fh * fh;
732 struct iattr * sattr;
733 unsigned int guard;
734 struct timespec guardtime;
735};
736
737struct nfs3_diropargs {
738 struct nfs_fh * fh;
739 const char * name;
740 unsigned int len;
741};
742
743struct nfs3_accessargs {
744 struct nfs_fh * fh;
745 __u32 access;
746};
747
748struct nfs3_createargs {
749 struct nfs_fh * fh;
750 const char * name;
751 unsigned int len;
752 struct iattr * sattr;
753 enum nfs3_createmode createmode;
754 __be32 verifier[2];
755};
756
757struct nfs3_mkdirargs {
758 struct nfs_fh * fh;
759 const char * name;
760 unsigned int len;
761 struct iattr * sattr;
762};
763
764struct nfs3_symlinkargs {
765 struct nfs_fh * fromfh;
766 const char * fromname;
767 unsigned int fromlen;
768 struct page ** pages;
769 unsigned int pathlen;
770 struct iattr * sattr;
771};
772
773struct nfs3_mknodargs {
774 struct nfs_fh * fh;
775 const char * name;
776 unsigned int len;
777 enum nfs3_ftype type;
778 struct iattr * sattr;
779 dev_t rdev;
780};
781
782struct nfs3_linkargs {
783 struct nfs_fh * fromfh;
784 struct nfs_fh * tofh;
785 const char * toname;
786 unsigned int tolen;
787};
788
789struct nfs3_readdirargs {
790 struct nfs_fh * fh;
791 __u64 cookie;
792 __be32 verf[2];
793 int plus;
794 unsigned int count;
795 struct page ** pages;
796};
797
798struct nfs3_diropres {
799 struct nfs_fattr * dir_attr;
800 struct nfs_fh * fh;
801 struct nfs_fattr * fattr;
802};
803
804struct nfs3_accessres {
805 struct nfs_fattr * fattr;
806 __u32 access;
807};
808
809struct nfs3_readlinkargs {
810 struct nfs_fh * fh;
811 unsigned int pgbase;
812 unsigned int pglen;
813 struct page ** pages;
814};
815
816struct nfs3_linkres {
817 struct nfs_fattr * dir_attr;
818 struct nfs_fattr * fattr;
819};
820
821struct nfs3_readdirres {
822 struct nfs_fattr * dir_attr;
823 __be32 * verf;
824 int plus;
825};
826
827struct nfs3_getaclres {
828 struct nfs_fattr * fattr;
829 int mask;
830 unsigned int acl_access_count;
831 unsigned int acl_default_count;
832 struct posix_acl * acl_access;
833 struct posix_acl * acl_default;
834};
835
836#if IS_ENABLED(CONFIG_NFS_V4)
837
838typedef u64 clientid4;
839
840struct nfs4_accessargs {
841 struct nfs4_sequence_args seq_args;
842 const struct nfs_fh * fh;
843 const u32 * bitmask;
844 u32 access;
845};
846
847struct nfs4_accessres {
848 struct nfs4_sequence_res seq_res;
849 const struct nfs_server * server;
850 struct nfs_fattr * fattr;
851 u32 supported;
852 u32 access;
853};
854
855struct nfs4_create_arg {
856 struct nfs4_sequence_args seq_args;
857 u32 ftype;
858 union {
859 struct {
860 struct page ** pages;
861 unsigned int len;
862 } symlink;
863 struct {
864 u32 specdata1;
865 u32 specdata2;
866 } device;
867 } u;
868 const struct qstr * name;
869 const struct nfs_server * server;
870 const struct iattr * attrs;
871 const struct nfs_fh * dir_fh;
872 const u32 * bitmask;
873 const struct nfs4_label *label;
874};
875
876struct nfs4_create_res {
877 struct nfs4_sequence_res seq_res;
878 const struct nfs_server * server;
879 struct nfs_fh * fh;
880 struct nfs_fattr * fattr;
881 struct nfs4_label *label;
882 struct nfs4_change_info dir_cinfo;
883};
884
885struct nfs4_fsinfo_arg {
886 struct nfs4_sequence_args seq_args;
887 const struct nfs_fh * fh;
888 const u32 * bitmask;
889};
890
891struct nfs4_fsinfo_res {
892 struct nfs4_sequence_res seq_res;
893 struct nfs_fsinfo *fsinfo;
894};
895
896struct nfs4_getattr_arg {
897 struct nfs4_sequence_args seq_args;
898 const struct nfs_fh * fh;
899 const u32 * bitmask;
900};
901
902struct nfs4_getattr_res {
903 struct nfs4_sequence_res seq_res;
904 const struct nfs_server * server;
905 struct nfs_fattr * fattr;
906 struct nfs4_label *label;
907};
908
909struct nfs4_link_arg {
910 struct nfs4_sequence_args seq_args;
911 const struct nfs_fh * fh;
912 const struct nfs_fh * dir_fh;
913 const struct qstr * name;
914 const u32 * bitmask;
915};
916
917struct nfs4_link_res {
918 struct nfs4_sequence_res seq_res;
919 const struct nfs_server * server;
920 struct nfs_fattr * fattr;
921 struct nfs4_label *label;
922 struct nfs4_change_info cinfo;
923 struct nfs_fattr * dir_attr;
924};
925
926
927struct nfs4_lookup_arg {
928 struct nfs4_sequence_args seq_args;
929 const struct nfs_fh * dir_fh;
930 const struct qstr * name;
931 const u32 * bitmask;
932};
933
934struct nfs4_lookup_res {
935 struct nfs4_sequence_res seq_res;
936 const struct nfs_server * server;
937 struct nfs_fattr * fattr;
938 struct nfs_fh * fh;
939 struct nfs4_label *label;
940};
941
942struct nfs4_lookup_root_arg {
943 struct nfs4_sequence_args seq_args;
944 const u32 * bitmask;
945};
946
947struct nfs4_pathconf_arg {
948 struct nfs4_sequence_args seq_args;
949 const struct nfs_fh * fh;
950 const u32 * bitmask;
951};
952
953struct nfs4_pathconf_res {
954 struct nfs4_sequence_res seq_res;
955 struct nfs_pathconf *pathconf;
956};
957
958struct nfs4_readdir_arg {
959 struct nfs4_sequence_args seq_args;
960 const struct nfs_fh * fh;
961 u64 cookie;
962 nfs4_verifier verifier;
963 u32 count;
964 struct page ** pages;
965 unsigned int pgbase;
966 const u32 * bitmask;
967 int plus;
968};
969
970struct nfs4_readdir_res {
971 struct nfs4_sequence_res seq_res;
972 nfs4_verifier verifier;
973 unsigned int pgbase;
974};
975
976struct nfs4_readlink {
977 struct nfs4_sequence_args seq_args;
978 const struct nfs_fh * fh;
979 unsigned int pgbase;
980 unsigned int pglen;
981 struct page ** pages;
982};
983
984struct nfs4_readlink_res {
985 struct nfs4_sequence_res seq_res;
986};
987
988#define NFS4_SETCLIENTID_NAMELEN (127)
989struct nfs4_setclientid {
990 const nfs4_verifier * sc_verifier;
991 unsigned int sc_name_len;
992 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
993 u32 sc_prog;
994 unsigned int sc_netid_len;
995 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
996 unsigned int sc_uaddr_len;
997 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
998 u32 sc_cb_ident;
999};
1000
1001struct nfs4_setclientid_res {
1002 u64 clientid;
1003 nfs4_verifier confirm;
1004};
1005
1006struct nfs4_statfs_arg {
1007 struct nfs4_sequence_args seq_args;
1008 const struct nfs_fh * fh;
1009 const u32 * bitmask;
1010};
1011
1012struct nfs4_statfs_res {
1013 struct nfs4_sequence_res seq_res;
1014 struct nfs_fsstat *fsstat;
1015};
1016
1017struct nfs4_server_caps_arg {
1018 struct nfs4_sequence_args seq_args;
1019 struct nfs_fh *fhandle;
1020};
1021
1022struct nfs4_server_caps_res {
1023 struct nfs4_sequence_res seq_res;
1024 u32 attr_bitmask[3];
1025 u32 acl_bitmask;
1026 u32 has_links;
1027 u32 has_symlinks;
1028 u32 fh_expire_type;
1029};
1030
1031#define NFS4_PATHNAME_MAXCOMPONENTS 512
1032struct nfs4_pathname {
1033 unsigned int ncomponents;
1034 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1035};
1036
1037#define NFS4_FS_LOCATION_MAXSERVERS 10
1038struct nfs4_fs_location {
1039 unsigned int nservers;
1040 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1041 struct nfs4_pathname rootpath;
1042};
1043
1044#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1045struct nfs4_fs_locations {
1046 struct nfs_fattr fattr;
1047 const struct nfs_server *server;
1048 struct nfs4_pathname fs_path;
1049 int nlocations;
1050 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
1051};
1052
1053struct nfs4_fs_locations_arg {
1054 struct nfs4_sequence_args seq_args;
1055 const struct nfs_fh *dir_fh;
1056 const struct qstr *name;
1057 struct page *page;
1058 const u32 *bitmask;
1059};
1060
1061struct nfs4_fs_locations_res {
1062 struct nfs4_sequence_res seq_res;
1063 struct nfs4_fs_locations *fs_locations;
1064};
1065
1066struct nfs4_secinfo4 {
1067 u32 flavor;
1068 struct rpcsec_gss_info flavor_info;
1069};
1070
1071struct nfs4_secinfo_flavors {
1072 unsigned int num_flavors;
1073 struct nfs4_secinfo4 flavors[0];
1074};
1075
1076struct nfs4_secinfo_arg {
1077 struct nfs4_sequence_args seq_args;
1078 const struct nfs_fh *dir_fh;
1079 const struct qstr *name;
1080};
1081
1082struct nfs4_secinfo_res {
1083 struct nfs4_sequence_res seq_res;
1084 struct nfs4_secinfo_flavors *flavors;
1085};
1086
1087#endif
1088
1089struct nfstime4 {
1090 u64 seconds;
1091 u32 nseconds;
1092};
1093
1094#ifdef CONFIG_NFS_V4_1
1095
1096struct pnfs_commit_bucket {
1097 struct list_head written;
1098 struct list_head committing;
1099 struct pnfs_layout_segment *wlseg;
1100 struct pnfs_layout_segment *clseg;
1101};
1102
1103struct pnfs_ds_commit_info {
1104 int nwritten;
1105 int ncommitting;
1106 int nbuckets;
1107 struct pnfs_commit_bucket *buckets;
1108};
1109
1110#define NFS4_EXCHANGE_ID_LEN (48)
1111struct nfs41_exchange_id_args {
1112 struct nfs_client *client;
1113 nfs4_verifier *verifier;
1114 unsigned int id_len;
1115 char id[NFS4_EXCHANGE_ID_LEN];
1116 u32 flags;
1117};
1118
1119struct nfs41_server_owner {
1120 uint64_t minor_id;
1121 uint32_t major_id_sz;
1122 char major_id[NFS4_OPAQUE_LIMIT];
1123};
1124
1125struct nfs41_server_scope {
1126 uint32_t server_scope_sz;
1127 char server_scope[NFS4_OPAQUE_LIMIT];
1128};
1129
1130struct nfs41_impl_id {
1131 char domain[NFS4_OPAQUE_LIMIT + 1];
1132 char name[NFS4_OPAQUE_LIMIT + 1];
1133 struct nfstime4 date;
1134};
1135
1136struct nfs41_bind_conn_to_session_res {
1137 struct nfs4_session *session;
1138 u32 dir;
1139 bool use_conn_in_rdma_mode;
1140};
1141
1142struct nfs41_exchange_id_res {
1143 u64 clientid;
1144 u32 seqid;
1145 u32 flags;
1146 struct nfs41_server_owner *server_owner;
1147 struct nfs41_server_scope *server_scope;
1148 struct nfs41_impl_id *impl_id;
1149};
1150
1151struct nfs41_create_session_args {
1152 struct nfs_client *client;
1153 uint32_t flags;
1154 uint32_t cb_program;
1155 struct nfs4_channel_attrs fc_attrs;
1156 struct nfs4_channel_attrs bc_attrs;
1157};
1158
1159struct nfs41_create_session_res {
1160 struct nfs_client *client;
1161};
1162
1163struct nfs41_reclaim_complete_args {
1164 struct nfs4_sequence_args seq_args;
1165
1166 unsigned char one_fs:1;
1167};
1168
1169struct nfs41_reclaim_complete_res {
1170 struct nfs4_sequence_res seq_res;
1171};
1172
1173#define SECINFO_STYLE_CURRENT_FH 0
1174#define SECINFO_STYLE_PARENT 1
1175struct nfs41_secinfo_no_name_args {
1176 struct nfs4_sequence_args seq_args;
1177 int style;
1178};
1179
1180struct nfs41_test_stateid_args {
1181 struct nfs4_sequence_args seq_args;
1182 nfs4_stateid *stateid;
1183};
1184
1185struct nfs41_test_stateid_res {
1186 struct nfs4_sequence_res seq_res;
1187 unsigned int status;
1188};
1189
1190struct nfs41_free_stateid_args {
1191 struct nfs4_sequence_args seq_args;
1192 nfs4_stateid stateid;
1193};
1194
1195struct nfs41_free_stateid_res {
1196 struct nfs4_sequence_res seq_res;
1197 unsigned int status;
1198};
1199
1200#else
1201
1202struct pnfs_ds_commit_info {
1203};
1204
1205#endif
1206
1207struct nfs_page;
1208
1209#define NFS_PAGEVEC_SIZE (8U)
1210
1211struct nfs_page_array {
1212 struct page **pagevec;
1213 unsigned int npages;
1214 struct page *page_array[NFS_PAGEVEC_SIZE];
1215};
1216
1217struct nfs_read_data {
1218 struct nfs_pgio_header *header;
1219 struct list_head list;
1220 struct rpc_task task;
1221 struct nfs_fattr fattr;
1222 struct nfs_readargs args;
1223 struct nfs_readres res;
1224 unsigned long timestamp;
1225 int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
1226 __u64 mds_offset;
1227 struct nfs_page_array pages;
1228 struct nfs_client *ds_clp;
1229};
1230
1231
1232enum {
1233 NFS_IOHDR_ERROR = 0,
1234 NFS_IOHDR_EOF,
1235 NFS_IOHDR_REDO,
1236 NFS_IOHDR_NEED_COMMIT,
1237 NFS_IOHDR_NEED_RESCHED,
1238};
1239
1240struct nfs_pgio_header {
1241 struct inode *inode;
1242 struct rpc_cred *cred;
1243 struct list_head pages;
1244 struct list_head rpc_list;
1245 atomic_t refcnt;
1246 struct nfs_page *req;
1247 struct nfs_writeverf *verf;
1248 struct pnfs_layout_segment *lseg;
1249 loff_t io_start;
1250 const struct rpc_call_ops *mds_ops;
1251 void (*release) (struct nfs_pgio_header *hdr);
1252 const struct nfs_pgio_completion_ops *completion_ops;
1253 struct nfs_direct_req *dreq;
1254 void *layout_private;
1255 spinlock_t lock;
1256
1257 int pnfs_error;
1258 int error;
1259 unsigned long good_bytes;
1260 unsigned long flags;
1261};
1262
1263struct nfs_read_header {
1264 struct nfs_pgio_header header;
1265 struct nfs_read_data rpc_data;
1266};
1267
1268struct nfs_write_data {
1269 struct nfs_pgio_header *header;
1270 struct list_head list;
1271 struct rpc_task task;
1272 struct nfs_fattr fattr;
1273 struct nfs_writeverf verf;
1274 struct nfs_writeargs args;
1275 struct nfs_writeres res;
1276 unsigned long timestamp;
1277 int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
1278 __u64 mds_offset;
1279 struct nfs_page_array pages;
1280 struct nfs_client *ds_clp;
1281};
1282
1283struct nfs_write_header {
1284 struct nfs_pgio_header header;
1285 struct nfs_write_data rpc_data;
1286 struct nfs_writeverf verf;
1287};
1288
1289struct nfs_mds_commit_info {
1290 atomic_t rpcs_out;
1291 unsigned long ncommit;
1292 struct list_head list;
1293};
1294
1295struct nfs_commit_data;
1296struct nfs_inode;
1297struct nfs_commit_completion_ops {
1298 void (*error_cleanup) (struct nfs_inode *nfsi);
1299 void (*completion) (struct nfs_commit_data *data);
1300};
1301
1302struct nfs_commit_info {
1303 spinlock_t *lock;
1304 struct nfs_mds_commit_info *mds;
1305 struct pnfs_ds_commit_info *ds;
1306 struct nfs_direct_req *dreq;
1307 const struct nfs_commit_completion_ops *completion_ops;
1308};
1309
1310struct nfs_commit_data {
1311 struct rpc_task task;
1312 struct inode *inode;
1313 struct rpc_cred *cred;
1314 struct nfs_fattr fattr;
1315 struct nfs_writeverf verf;
1316 struct list_head pages;
1317 struct list_head list;
1318 struct nfs_direct_req *dreq;
1319 struct nfs_commitargs args;
1320 struct nfs_commitres res;
1321 struct nfs_open_context *context;
1322 struct pnfs_layout_segment *lseg;
1323 struct nfs_client *ds_clp;
1324 int ds_commit_index;
1325 const struct rpc_call_ops *mds_ops;
1326 const struct nfs_commit_completion_ops *completion_ops;
1327 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1328};
1329
1330struct nfs_pgio_completion_ops {
1331 void (*error_cleanup)(struct list_head *head);
1332 void (*init_hdr)(struct nfs_pgio_header *hdr);
1333 void (*completion)(struct nfs_pgio_header *hdr);
1334};
1335
1336struct nfs_unlinkdata {
1337 struct hlist_node list;
1338 struct nfs_removeargs args;
1339 struct nfs_removeres res;
1340 struct inode *dir;
1341 struct rpc_cred *cred;
1342 struct nfs_fattr dir_attr;
1343};
1344
1345struct nfs_renamedata {
1346 struct nfs_renameargs args;
1347 struct nfs_renameres res;
1348 struct rpc_cred *cred;
1349 struct inode *old_dir;
1350 struct dentry *old_dentry;
1351 struct nfs_fattr old_fattr;
1352 struct inode *new_dir;
1353 struct dentry *new_dentry;
1354 struct nfs_fattr new_fattr;
1355};
1356
1357struct nfs_access_entry;
1358struct nfs_client;
1359struct rpc_timeout;
1360struct nfs_subversion;
1361struct nfs_mount_info;
1362struct nfs_client_initdata;
1363struct nfs_pageio_descriptor;
1364
1365
1366
1367
1368struct nfs_rpc_ops {
1369 u32 version;
1370 const struct dentry_operations *dentry_ops;
1371 const struct inode_operations *dir_inode_ops;
1372 const struct inode_operations *file_inode_ops;
1373 const struct file_operations *file_ops;
1374
1375 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1376 struct nfs_fsinfo *);
1377 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1378 struct nfs_fh *, struct nfs_fattr *);
1379 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1380 struct nfs_subversion *);
1381 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1382 struct nfs_fattr *, struct nfs4_label *);
1383 int (*setattr) (struct dentry *, struct nfs_fattr *,
1384 struct iattr *);
1385 int (*lookup) (struct inode *, struct qstr *,
1386 struct nfs_fh *, struct nfs_fattr *,
1387 struct nfs4_label *);
1388 int (*access) (struct inode *, struct nfs_access_entry *);
1389 int (*readlink)(struct inode *, struct page *, unsigned int,
1390 unsigned int);
1391 int (*create) (struct inode *, struct dentry *,
1392 struct iattr *, int);
1393 int (*remove) (struct inode *, struct qstr *);
1394 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1395 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
1396 int (*unlink_done) (struct rpc_task *, struct inode *);
1397 int (*rename) (struct inode *, struct qstr *,
1398 struct inode *, struct qstr *);
1399 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1400 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
1401 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1402 int (*link) (struct inode *, struct inode *, struct qstr *);
1403 int (*symlink) (struct inode *, struct dentry *, struct page *,
1404 unsigned int, struct iattr *);
1405 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1406 int (*rmdir) (struct inode *, struct qstr *);
1407 int (*readdir) (struct dentry *, struct rpc_cred *,
1408 u64, struct page **, unsigned int, int);
1409 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1410 dev_t);
1411 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1412 struct nfs_fsstat *);
1413 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1414 struct nfs_fsinfo *);
1415 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1416 struct nfs_pathconf *);
1417 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1418 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
1419 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
1420 void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *,
1421 const struct nfs_pgio_completion_ops *);
1422 void (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *);
1423 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
1424 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
1425 void (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int,
1426 const struct nfs_pgio_completion_ops *);
1427 void (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *);
1428 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
1429 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1430 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1431 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1432 int (*lock)(struct file *, int, struct file_lock *);
1433 int (*lock_check_bounds)(const struct file_lock *);
1434 void (*clear_acl_cache)(struct inode *);
1435 void (*close_context)(struct nfs_open_context *ctx, int);
1436 struct inode * (*open_context) (struct inode *dir,
1437 struct nfs_open_context *ctx,
1438 int open_flags,
1439 struct iattr *iattr);
1440 int (*have_delegation)(struct inode *, fmode_t);
1441 int (*return_delegation)(struct inode *);
1442 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
1443 struct nfs_client *
1444 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
1445 const char *, rpc_authflavor_t);
1446 void (*free_client) (struct nfs_client *);
1447 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1448 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1449 struct nfs_fattr *, rpc_authflavor_t);
1450};
1451
1452
1453
1454
1455
1456
1457#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1458
1459
1460
1461
1462extern const struct nfs_rpc_ops nfs_v2_clientops;
1463extern const struct nfs_rpc_ops nfs_v3_clientops;
1464extern const struct nfs_rpc_ops nfs_v4_clientops;
1465extern const struct rpc_version nfs_version2;
1466extern const struct rpc_version nfs_version3;
1467extern const struct rpc_version nfs_version4;
1468
1469extern const struct rpc_version nfsacl_version3;
1470extern const struct rpc_program nfsacl_program;
1471
1472#endif
1473