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
105#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
106 | NFS_ATTR_FATTR_MODE \
107 | NFS_ATTR_FATTR_NLINK \
108 | NFS_ATTR_FATTR_OWNER \
109 | NFS_ATTR_FATTR_GROUP \
110 | NFS_ATTR_FATTR_RDEV \
111 | NFS_ATTR_FATTR_SIZE \
112 | NFS_ATTR_FATTR_FSID \
113 | NFS_ATTR_FATTR_FILEID \
114 | NFS_ATTR_FATTR_ATIME \
115 | NFS_ATTR_FATTR_MTIME \
116 | NFS_ATTR_FATTR_CTIME \
117 | NFS_ATTR_FATTR_CHANGE)
118#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
119 | NFS_ATTR_FATTR_BLOCKS_USED)
120#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
121 | NFS_ATTR_FATTR_SPACE_USED)
122#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
123 | NFS_ATTR_FATTR_SPACE_USED)
124
125
126
127
128struct nfs_fsinfo {
129 struct nfs_fattr *fattr;
130 __u32 rtmax;
131 __u32 rtpref;
132 __u32 rtmult;
133 __u32 wtmax;
134 __u32 wtpref;
135 __u32 wtmult;
136 __u32 dtpref;
137 __u64 maxfilesize;
138 struct timespec time_delta;
139 __u32 lease_time;
140 __u32 layouttype;
141 __u32 blksize;
142};
143
144struct nfs_fsstat {
145 struct nfs_fattr *fattr;
146 __u64 tbytes;
147 __u64 fbytes;
148 __u64 abytes;
149 __u64 tfiles;
150 __u64 ffiles;
151 __u64 afiles;
152};
153
154struct nfs2_fsstat {
155 __u32 tsize;
156 __u32 bsize;
157 __u32 blocks;
158 __u32 bfree;
159 __u32 bavail;
160};
161
162struct nfs_pathconf {
163 struct nfs_fattr *fattr;
164 __u32 max_link;
165 __u32 max_namelen;
166};
167
168struct nfs4_change_info {
169 u32 atomic;
170 u64 before;
171 u64 after;
172};
173
174struct nfs_seqid;
175
176
177struct nfs4_channel_attrs {
178 u32 max_rqst_sz;
179 u32 max_resp_sz;
180 u32 max_resp_sz_cached;
181 u32 max_ops;
182 u32 max_reqs;
183};
184
185struct nfs4_slot;
186struct nfs4_sequence_args {
187 struct nfs4_slot *sa_slot;
188 u8 sa_cache_this : 1,
189 sa_privileged : 1;
190};
191
192struct nfs4_sequence_res {
193 struct nfs4_slot *sr_slot;
194 unsigned long sr_timestamp;
195 int sr_status;
196 u32 sr_status_flags;
197 u32 sr_highest_slotid;
198 u32 sr_target_highest_slotid;
199};
200
201struct nfs4_get_lease_time_args {
202 struct nfs4_sequence_args la_seq_args;
203};
204
205struct nfs4_get_lease_time_res {
206 struct nfs4_sequence_res lr_seq_res;
207 struct nfs_fsinfo *lr_fsinfo;
208};
209
210#define PNFS_LAYOUT_MAXSIZE 4096
211
212struct nfs4_layoutdriver_data {
213 struct page **pages;
214 __u32 pglen;
215 __u32 len;
216};
217
218struct pnfs_layout_range {
219 u32 iomode;
220 u64 offset;
221 u64 length;
222};
223
224struct nfs4_layoutget_args {
225 struct nfs4_sequence_args seq_args;
226 __u32 type;
227 struct pnfs_layout_range range;
228 __u64 minlength;
229 __u32 maxcount;
230 struct inode *inode;
231 struct nfs_open_context *ctx;
232 nfs4_stateid stateid;
233 unsigned long timestamp;
234 struct nfs4_layoutdriver_data layout;
235};
236
237struct nfs4_layoutget_res {
238 struct nfs4_sequence_res seq_res;
239 __u32 return_on_close;
240 struct pnfs_layout_range range;
241 __u32 type;
242 nfs4_stateid stateid;
243 struct nfs4_layoutdriver_data *layoutp;
244};
245
246struct nfs4_layoutget {
247 struct nfs4_layoutget_args args;
248 struct nfs4_layoutget_res res;
249 gfp_t gfp_flags;
250};
251
252struct nfs4_getdevicelist_args {
253 struct nfs4_sequence_args seq_args;
254 const struct nfs_fh *fh;
255 u32 layoutclass;
256};
257
258struct nfs4_getdevicelist_res {
259 struct nfs4_sequence_res seq_res;
260 struct pnfs_devicelist *devlist;
261};
262
263struct nfs4_getdeviceinfo_args {
264 struct nfs4_sequence_args seq_args;
265 struct pnfs_device *pdev;
266};
267
268struct nfs4_getdeviceinfo_res {
269 struct nfs4_sequence_res seq_res;
270 struct pnfs_device *pdev;
271};
272
273struct nfs4_layoutcommit_args {
274 struct nfs4_sequence_args seq_args;
275 nfs4_stateid stateid;
276 __u64 lastbytewritten;
277 struct inode *inode;
278 const u32 *bitmask;
279};
280
281struct nfs4_layoutcommit_res {
282 struct nfs4_sequence_res seq_res;
283 struct nfs_fattr *fattr;
284 const struct nfs_server *server;
285 int status;
286};
287
288struct nfs4_layoutcommit_data {
289 struct rpc_task task;
290 struct nfs_fattr fattr;
291 struct list_head lseg_list;
292 struct rpc_cred *cred;
293 struct nfs4_layoutcommit_args args;
294 struct nfs4_layoutcommit_res res;
295};
296
297struct nfs4_layoutreturn_args {
298 struct nfs4_sequence_args seq_args;
299 struct pnfs_layout_hdr *layout;
300 struct inode *inode;
301 nfs4_stateid stateid;
302 __u32 layout_type;
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;
316 int rpc_status;
317};
318
319struct stateowner_id {
320 __u64 create_time;
321 __u32 uniquifier;
322};
323
324
325
326
327struct nfs_openargs {
328 struct nfs4_sequence_args seq_args;
329 const struct nfs_fh * fh;
330 struct nfs_seqid * seqid;
331 int open_flags;
332 fmode_t fmode;
333 u32 access;
334 __u64 clientid;
335 struct stateowner_id id;
336 union {
337 struct {
338 struct iattr * attrs;
339 nfs4_verifier verifier;
340 };
341 nfs4_stateid delegation;
342 fmode_t delegation_type;
343 } u;
344 const struct qstr * name;
345 const struct nfs_server *server;
346 const u32 * bitmask;
347 const u32 * open_bitmap;
348 __u32 claim;
349 enum createmode4 createmode;
350};
351
352struct nfs_openres {
353 struct nfs4_sequence_res seq_res;
354 nfs4_stateid stateid;
355 struct nfs_fh fh;
356 struct nfs4_change_info cinfo;
357 __u32 rflags;
358 struct nfs_fattr * f_attr;
359 struct nfs_seqid * seqid;
360 const struct nfs_server *server;
361 fmode_t delegation_type;
362 nfs4_stateid delegation;
363 __u32 do_recall;
364 __u64 maxsize;
365 __u32 attrset[NFS4_BITMAP_SIZE];
366 struct nfs4_string *owner;
367 struct nfs4_string *group_owner;
368 __u32 access_request;
369 __u32 access_supported;
370 __u32 access_result;
371};
372
373
374
375
376struct nfs_open_confirmargs {
377 const struct nfs_fh * fh;
378 nfs4_stateid * stateid;
379 struct nfs_seqid * seqid;
380};
381
382struct nfs_open_confirmres {
383 nfs4_stateid stateid;
384 struct nfs_seqid * seqid;
385};
386
387
388
389
390struct nfs_closeargs {
391 struct nfs4_sequence_args seq_args;
392 struct nfs_fh * fh;
393 nfs4_stateid * stateid;
394 struct nfs_seqid * seqid;
395 fmode_t fmode;
396 const u32 * bitmask;
397};
398
399struct nfs_closeres {
400 struct nfs4_sequence_res seq_res;
401 nfs4_stateid stateid;
402 struct nfs_fattr * fattr;
403 struct nfs_seqid * seqid;
404 const struct nfs_server *server;
405};
406
407
408
409struct nfs_lowner {
410 __u64 clientid;
411 __u64 id;
412 dev_t s_dev;
413};
414
415struct nfs_lock_args {
416 struct nfs4_sequence_args seq_args;
417 struct nfs_fh * fh;
418 struct file_lock * fl;
419 struct nfs_seqid * lock_seqid;
420 nfs4_stateid * lock_stateid;
421 struct nfs_seqid * open_seqid;
422 nfs4_stateid * open_stateid;
423 struct nfs_lowner lock_owner;
424 unsigned char block : 1;
425 unsigned char reclaim : 1;
426 unsigned char new_lock_owner : 1;
427};
428
429struct nfs_lock_res {
430 struct nfs4_sequence_res seq_res;
431 nfs4_stateid stateid;
432 struct nfs_seqid * lock_seqid;
433 struct nfs_seqid * open_seqid;
434};
435
436struct nfs_locku_args {
437 struct nfs4_sequence_args seq_args;
438 struct nfs_fh * fh;
439 struct file_lock * fl;
440 struct nfs_seqid * seqid;
441 nfs4_stateid * stateid;
442};
443
444struct nfs_locku_res {
445 struct nfs4_sequence_res seq_res;
446 nfs4_stateid stateid;
447 struct nfs_seqid * seqid;
448};
449
450struct nfs_lockt_args {
451 struct nfs4_sequence_args seq_args;
452 struct nfs_fh * fh;
453 struct file_lock * fl;
454 struct nfs_lowner lock_owner;
455};
456
457struct nfs_lockt_res {
458 struct nfs4_sequence_res seq_res;
459 struct file_lock * denied;
460};
461
462struct nfs_release_lockowner_args {
463 struct nfs_lowner lock_owner;
464};
465
466struct nfs4_delegreturnargs {
467 struct nfs4_sequence_args seq_args;
468 const struct nfs_fh *fhandle;
469 const nfs4_stateid *stateid;
470 const u32 * bitmask;
471};
472
473struct nfs4_delegreturnres {
474 struct nfs4_sequence_res seq_res;
475 struct nfs_fattr * fattr;
476 const struct nfs_server *server;
477};
478
479
480
481
482struct nfs_readargs {
483 struct nfs4_sequence_args seq_args;
484 struct nfs_fh * fh;
485 struct nfs_open_context *context;
486 struct nfs_lock_context *lock_context;
487 nfs4_stateid stateid;
488 __u64 offset;
489 __u32 count;
490 unsigned int pgbase;
491 struct page ** pages;
492};
493
494struct nfs_readres {
495 struct nfs4_sequence_res seq_res;
496 struct nfs_fattr * fattr;
497 __u32 count;
498 int eof;
499};
500
501
502
503
504struct nfs_writeargs {
505 struct nfs4_sequence_args seq_args;
506 struct nfs_fh * fh;
507 struct nfs_open_context *context;
508 struct nfs_lock_context *lock_context;
509 nfs4_stateid stateid;
510 __u64 offset;
511 __u32 count;
512 enum nfs3_stable_how stable;
513 unsigned int pgbase;
514 struct page ** pages;
515 const u32 * bitmask;
516};
517
518struct nfs_write_verifier {
519 char data[8];
520};
521
522struct nfs_writeverf {
523 struct nfs_write_verifier verifier;
524 enum nfs3_stable_how committed;
525};
526
527struct nfs_writeres {
528 struct nfs4_sequence_res seq_res;
529 struct nfs_fattr * fattr;
530 struct nfs_writeverf * verf;
531 __u32 count;
532 const struct nfs_server *server;
533};
534
535
536
537
538struct nfs_commitargs {
539 struct nfs4_sequence_args seq_args;
540 struct nfs_fh *fh;
541 __u64 offset;
542 __u32 count;
543 const u32 *bitmask;
544};
545
546struct nfs_commitres {
547 struct nfs4_sequence_res seq_res;
548 struct nfs_fattr *fattr;
549 struct nfs_writeverf *verf;
550 const struct nfs_server *server;
551};
552
553
554
555
556struct nfs_removeargs {
557 struct nfs4_sequence_args seq_args;
558 const struct nfs_fh *fh;
559 struct qstr name;
560};
561
562struct nfs_removeres {
563 struct nfs4_sequence_res seq_res;
564 const struct nfs_server *server;
565 struct nfs_fattr *dir_attr;
566 struct nfs4_change_info cinfo;
567};
568
569
570
571
572struct nfs_renameargs {
573 struct nfs4_sequence_args seq_args;
574 const struct nfs_fh *old_dir;
575 const struct nfs_fh *new_dir;
576 const struct qstr *old_name;
577 const struct qstr *new_name;
578};
579
580struct nfs_renameres {
581 struct nfs4_sequence_res seq_res;
582 const struct nfs_server *server;
583 struct nfs4_change_info old_cinfo;
584 struct nfs_fattr *old_fattr;
585 struct nfs4_change_info new_cinfo;
586 struct nfs_fattr *new_fattr;
587};
588
589
590
591
592struct nfs_entry {
593 __u64 ino;
594 __u64 cookie,
595 prev_cookie;
596 const char * name;
597 unsigned int len;
598 int eof;
599 struct nfs_fh * fh;
600 struct nfs_fattr * fattr;
601 unsigned char d_type;
602 struct nfs_server * server;
603};
604
605
606
607
608struct nfs_sattrargs {
609 struct nfs_fh * fh;
610 struct iattr * sattr;
611};
612
613struct nfs_diropargs {
614 struct nfs_fh * fh;
615 const char * name;
616 unsigned int len;
617};
618
619struct nfs_createargs {
620 struct nfs_fh * fh;
621 const char * name;
622 unsigned int len;
623 struct iattr * sattr;
624};
625
626struct nfs_setattrargs {
627 struct nfs4_sequence_args seq_args;
628 struct nfs_fh * fh;
629 nfs4_stateid stateid;
630 struct iattr * iap;
631 const struct nfs_server * server;
632 const u32 * bitmask;
633};
634
635struct nfs_setaclargs {
636 struct nfs4_sequence_args seq_args;
637 struct nfs_fh * fh;
638 size_t acl_len;
639 unsigned int acl_pgbase;
640 struct page ** acl_pages;
641};
642
643struct nfs_setaclres {
644 struct nfs4_sequence_res seq_res;
645};
646
647struct nfs_getaclargs {
648 struct nfs4_sequence_args seq_args;
649 struct nfs_fh * fh;
650 size_t acl_len;
651 unsigned int acl_pgbase;
652 struct page ** acl_pages;
653};
654
655
656#define NFS4_ACL_TRUNC 0x0001
657struct nfs_getaclres {
658 struct nfs4_sequence_res seq_res;
659 size_t acl_len;
660 size_t acl_data_offset;
661 int acl_flags;
662 struct page * acl_scratch;
663};
664
665struct nfs_setattrres {
666 struct nfs4_sequence_res seq_res;
667 struct nfs_fattr * fattr;
668 const struct nfs_server * server;
669};
670
671struct nfs_linkargs {
672 struct nfs_fh * fromfh;
673 struct nfs_fh * tofh;
674 const char * toname;
675 unsigned int tolen;
676};
677
678struct nfs_symlinkargs {
679 struct nfs_fh * fromfh;
680 const char * fromname;
681 unsigned int fromlen;
682 struct page ** pages;
683 unsigned int pathlen;
684 struct iattr * sattr;
685};
686
687struct nfs_readdirargs {
688 struct nfs_fh * fh;
689 __u32 cookie;
690 unsigned int count;
691 struct page ** pages;
692};
693
694struct nfs3_getaclargs {
695 struct nfs_fh * fh;
696 int mask;
697 struct page ** pages;
698};
699
700struct nfs3_setaclargs {
701 struct inode * inode;
702 int mask;
703 struct posix_acl * acl_access;
704 struct posix_acl * acl_default;
705 size_t len;
706 unsigned int npages;
707 struct page ** pages;
708};
709
710struct nfs_diropok {
711 struct nfs_fh * fh;
712 struct nfs_fattr * fattr;
713};
714
715struct nfs_readlinkargs {
716 struct nfs_fh * fh;
717 unsigned int pgbase;
718 unsigned int pglen;
719 struct page ** pages;
720};
721
722struct nfs3_sattrargs {
723 struct nfs_fh * fh;
724 struct iattr * sattr;
725 unsigned int guard;
726 struct timespec guardtime;
727};
728
729struct nfs3_diropargs {
730 struct nfs_fh * fh;
731 const char * name;
732 unsigned int len;
733};
734
735struct nfs3_accessargs {
736 struct nfs_fh * fh;
737 __u32 access;
738};
739
740struct nfs3_createargs {
741 struct nfs_fh * fh;
742 const char * name;
743 unsigned int len;
744 struct iattr * sattr;
745 enum nfs3_createmode createmode;
746 __be32 verifier[2];
747};
748
749struct nfs3_mkdirargs {
750 struct nfs_fh * fh;
751 const char * name;
752 unsigned int len;
753 struct iattr * sattr;
754};
755
756struct nfs3_symlinkargs {
757 struct nfs_fh * fromfh;
758 const char * fromname;
759 unsigned int fromlen;
760 struct page ** pages;
761 unsigned int pathlen;
762 struct iattr * sattr;
763};
764
765struct nfs3_mknodargs {
766 struct nfs_fh * fh;
767 const char * name;
768 unsigned int len;
769 enum nfs3_ftype type;
770 struct iattr * sattr;
771 dev_t rdev;
772};
773
774struct nfs3_linkargs {
775 struct nfs_fh * fromfh;
776 struct nfs_fh * tofh;
777 const char * toname;
778 unsigned int tolen;
779};
780
781struct nfs3_readdirargs {
782 struct nfs_fh * fh;
783 __u64 cookie;
784 __be32 verf[2];
785 int plus;
786 unsigned int count;
787 struct page ** pages;
788};
789
790struct nfs3_diropres {
791 struct nfs_fattr * dir_attr;
792 struct nfs_fh * fh;
793 struct nfs_fattr * fattr;
794};
795
796struct nfs3_accessres {
797 struct nfs_fattr * fattr;
798 __u32 access;
799};
800
801struct nfs3_readlinkargs {
802 struct nfs_fh * fh;
803 unsigned int pgbase;
804 unsigned int pglen;
805 struct page ** pages;
806};
807
808struct nfs3_linkres {
809 struct nfs_fattr * dir_attr;
810 struct nfs_fattr * fattr;
811};
812
813struct nfs3_readdirres {
814 struct nfs_fattr * dir_attr;
815 __be32 * verf;
816 int plus;
817};
818
819struct nfs3_getaclres {
820 struct nfs_fattr * fattr;
821 int mask;
822 unsigned int acl_access_count;
823 unsigned int acl_default_count;
824 struct posix_acl * acl_access;
825 struct posix_acl * acl_default;
826};
827
828#if IS_ENABLED(CONFIG_NFS_V4)
829
830typedef u64 clientid4;
831
832struct nfs4_accessargs {
833 struct nfs4_sequence_args seq_args;
834 const struct nfs_fh * fh;
835 const u32 * bitmask;
836 u32 access;
837};
838
839struct nfs4_accessres {
840 struct nfs4_sequence_res seq_res;
841 const struct nfs_server * server;
842 struct nfs_fattr * fattr;
843 u32 supported;
844 u32 access;
845};
846
847struct nfs4_create_arg {
848 struct nfs4_sequence_args seq_args;
849 u32 ftype;
850 union {
851 struct {
852 struct page ** pages;
853 unsigned int len;
854 } symlink;
855 struct {
856 u32 specdata1;
857 u32 specdata2;
858 } device;
859 } u;
860 const struct qstr * name;
861 const struct nfs_server * server;
862 const struct iattr * attrs;
863 const struct nfs_fh * dir_fh;
864 const u32 * bitmask;
865};
866
867struct nfs4_create_res {
868 struct nfs4_sequence_res seq_res;
869 const struct nfs_server * server;
870 struct nfs_fh * fh;
871 struct nfs_fattr * fattr;
872 struct nfs4_change_info dir_cinfo;
873};
874
875struct nfs4_fsinfo_arg {
876 struct nfs4_sequence_args seq_args;
877 const struct nfs_fh * fh;
878 const u32 * bitmask;
879};
880
881struct nfs4_fsinfo_res {
882 struct nfs4_sequence_res seq_res;
883 struct nfs_fsinfo *fsinfo;
884};
885
886struct nfs4_getattr_arg {
887 struct nfs4_sequence_args seq_args;
888 const struct nfs_fh * fh;
889 const u32 * bitmask;
890};
891
892struct nfs4_getattr_res {
893 struct nfs4_sequence_res seq_res;
894 const struct nfs_server * server;
895 struct nfs_fattr * fattr;
896};
897
898struct nfs4_link_arg {
899 struct nfs4_sequence_args seq_args;
900 const struct nfs_fh * fh;
901 const struct nfs_fh * dir_fh;
902 const struct qstr * name;
903 const u32 * bitmask;
904};
905
906struct nfs4_link_res {
907 struct nfs4_sequence_res seq_res;
908 const struct nfs_server * server;
909 struct nfs_fattr * fattr;
910 struct nfs4_change_info cinfo;
911 struct nfs_fattr * dir_attr;
912};
913
914
915struct nfs4_lookup_arg {
916 struct nfs4_sequence_args seq_args;
917 const struct nfs_fh * dir_fh;
918 const struct qstr * name;
919 const u32 * bitmask;
920};
921
922struct nfs4_lookup_res {
923 struct nfs4_sequence_res seq_res;
924 const struct nfs_server * server;
925 struct nfs_fattr * fattr;
926 struct nfs_fh * fh;
927};
928
929struct nfs4_lookup_root_arg {
930 struct nfs4_sequence_args seq_args;
931 const u32 * bitmask;
932};
933
934struct nfs4_pathconf_arg {
935 struct nfs4_sequence_args seq_args;
936 const struct nfs_fh * fh;
937 const u32 * bitmask;
938};
939
940struct nfs4_pathconf_res {
941 struct nfs4_sequence_res seq_res;
942 struct nfs_pathconf *pathconf;
943};
944
945struct nfs4_readdir_arg {
946 struct nfs4_sequence_args seq_args;
947 const struct nfs_fh * fh;
948 u64 cookie;
949 nfs4_verifier verifier;
950 u32 count;
951 struct page ** pages;
952 unsigned int pgbase;
953 const u32 * bitmask;
954 int plus;
955};
956
957struct nfs4_readdir_res {
958 struct nfs4_sequence_res seq_res;
959 nfs4_verifier verifier;
960 unsigned int pgbase;
961};
962
963struct nfs4_readlink {
964 struct nfs4_sequence_args seq_args;
965 const struct nfs_fh * fh;
966 unsigned int pgbase;
967 unsigned int pglen;
968 struct page ** pages;
969};
970
971struct nfs4_readlink_res {
972 struct nfs4_sequence_res seq_res;
973};
974
975#define NFS4_SETCLIENTID_NAMELEN (127)
976struct nfs4_setclientid {
977 const nfs4_verifier * sc_verifier;
978 unsigned int sc_name_len;
979 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
980 u32 sc_prog;
981 unsigned int sc_netid_len;
982 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
983 unsigned int sc_uaddr_len;
984 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
985 u32 sc_cb_ident;
986};
987
988struct nfs4_setclientid_res {
989 u64 clientid;
990 nfs4_verifier confirm;
991};
992
993struct nfs4_statfs_arg {
994 struct nfs4_sequence_args seq_args;
995 const struct nfs_fh * fh;
996 const u32 * bitmask;
997};
998
999struct nfs4_statfs_res {
1000 struct nfs4_sequence_res seq_res;
1001 struct nfs_fsstat *fsstat;
1002};
1003
1004struct nfs4_server_caps_arg {
1005 struct nfs4_sequence_args seq_args;
1006 struct nfs_fh *fhandle;
1007};
1008
1009struct nfs4_server_caps_res {
1010 struct nfs4_sequence_res seq_res;
1011 u32 attr_bitmask[3];
1012 u32 acl_bitmask;
1013 u32 has_links;
1014 u32 has_symlinks;
1015 u32 fh_expire_type;
1016};
1017
1018#define NFS4_PATHNAME_MAXCOMPONENTS 512
1019struct nfs4_pathname {
1020 unsigned int ncomponents;
1021 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1022};
1023
1024#define NFS4_FS_LOCATION_MAXSERVERS 10
1025struct nfs4_fs_location {
1026 unsigned int nservers;
1027 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1028 struct nfs4_pathname rootpath;
1029};
1030
1031#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1032struct nfs4_fs_locations {
1033 struct nfs_fattr fattr;
1034 const struct nfs_server *server;
1035 struct nfs4_pathname fs_path;
1036 int nlocations;
1037 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
1038};
1039
1040struct nfs4_fs_locations_arg {
1041 struct nfs4_sequence_args seq_args;
1042 const struct nfs_fh *dir_fh;
1043 const struct qstr *name;
1044 struct page *page;
1045 const u32 *bitmask;
1046};
1047
1048struct nfs4_fs_locations_res {
1049 struct nfs4_sequence_res seq_res;
1050 struct nfs4_fs_locations *fs_locations;
1051};
1052
1053struct nfs4_secinfo4 {
1054 u32 flavor;
1055 struct rpcsec_gss_info flavor_info;
1056};
1057
1058struct nfs4_secinfo_flavors {
1059 unsigned int num_flavors;
1060 struct nfs4_secinfo4 flavors[0];
1061};
1062
1063struct nfs4_secinfo_arg {
1064 struct nfs4_sequence_args seq_args;
1065 const struct nfs_fh *dir_fh;
1066 const struct qstr *name;
1067};
1068
1069struct nfs4_secinfo_res {
1070 struct nfs4_sequence_res seq_res;
1071 struct nfs4_secinfo_flavors *flavors;
1072};
1073
1074#endif
1075
1076struct nfstime4 {
1077 u64 seconds;
1078 u32 nseconds;
1079};
1080
1081#ifdef CONFIG_NFS_V4_1
1082
1083struct pnfs_commit_bucket {
1084 struct list_head written;
1085 struct list_head committing;
1086 struct pnfs_layout_segment *wlseg;
1087 struct pnfs_layout_segment *clseg;
1088};
1089
1090struct pnfs_ds_commit_info {
1091 int nwritten;
1092 int ncommitting;
1093 int nbuckets;
1094 struct pnfs_commit_bucket *buckets;
1095};
1096
1097#define NFS4_EXCHANGE_ID_LEN (48)
1098struct nfs41_exchange_id_args {
1099 struct nfs_client *client;
1100 nfs4_verifier *verifier;
1101 unsigned int id_len;
1102 char id[NFS4_EXCHANGE_ID_LEN];
1103 u32 flags;
1104};
1105
1106struct nfs41_server_owner {
1107 uint64_t minor_id;
1108 uint32_t major_id_sz;
1109 char major_id[NFS4_OPAQUE_LIMIT];
1110};
1111
1112struct nfs41_server_scope {
1113 uint32_t server_scope_sz;
1114 char server_scope[NFS4_OPAQUE_LIMIT];
1115};
1116
1117struct nfs41_impl_id {
1118 char domain[NFS4_OPAQUE_LIMIT + 1];
1119 char name[NFS4_OPAQUE_LIMIT + 1];
1120 struct nfstime4 date;
1121};
1122
1123struct nfs41_bind_conn_to_session_res {
1124 struct nfs4_session *session;
1125 u32 dir;
1126 bool use_conn_in_rdma_mode;
1127};
1128
1129struct nfs41_exchange_id_res {
1130 u64 clientid;
1131 u32 seqid;
1132 u32 flags;
1133 struct nfs41_server_owner *server_owner;
1134 struct nfs41_server_scope *server_scope;
1135 struct nfs41_impl_id *impl_id;
1136};
1137
1138struct nfs41_create_session_args {
1139 struct nfs_client *client;
1140 uint32_t flags;
1141 uint32_t cb_program;
1142 struct nfs4_channel_attrs fc_attrs;
1143 struct nfs4_channel_attrs bc_attrs;
1144};
1145
1146struct nfs41_create_session_res {
1147 struct nfs_client *client;
1148};
1149
1150struct nfs41_reclaim_complete_args {
1151 struct nfs4_sequence_args seq_args;
1152
1153 unsigned char one_fs:1;
1154};
1155
1156struct nfs41_reclaim_complete_res {
1157 struct nfs4_sequence_res seq_res;
1158};
1159
1160#define SECINFO_STYLE_CURRENT_FH 0
1161#define SECINFO_STYLE_PARENT 1
1162struct nfs41_secinfo_no_name_args {
1163 struct nfs4_sequence_args seq_args;
1164 int style;
1165};
1166
1167struct nfs41_test_stateid_args {
1168 struct nfs4_sequence_args seq_args;
1169 nfs4_stateid *stateid;
1170};
1171
1172struct nfs41_test_stateid_res {
1173 struct nfs4_sequence_res seq_res;
1174 unsigned int status;
1175};
1176
1177struct nfs41_free_stateid_args {
1178 struct nfs4_sequence_args seq_args;
1179 nfs4_stateid stateid;
1180};
1181
1182struct nfs41_free_stateid_res {
1183 struct nfs4_sequence_res seq_res;
1184 unsigned int status;
1185};
1186
1187#else
1188
1189struct pnfs_ds_commit_info {
1190};
1191
1192#endif
1193
1194struct nfs_page;
1195
1196#define NFS_PAGEVEC_SIZE (8U)
1197
1198struct nfs_page_array {
1199 struct page **pagevec;
1200 unsigned int npages;
1201 struct page *page_array[NFS_PAGEVEC_SIZE];
1202};
1203
1204struct nfs_read_data {
1205 struct nfs_pgio_header *header;
1206 struct list_head list;
1207 struct rpc_task task;
1208 struct nfs_fattr fattr;
1209 struct nfs_readargs args;
1210 struct nfs_readres res;
1211 unsigned long timestamp;
1212 int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
1213 __u64 mds_offset;
1214 struct nfs_page_array pages;
1215 struct nfs_client *ds_clp;
1216};
1217
1218
1219enum {
1220 NFS_IOHDR_ERROR = 0,
1221 NFS_IOHDR_EOF,
1222 NFS_IOHDR_REDO,
1223 NFS_IOHDR_NEED_COMMIT,
1224 NFS_IOHDR_NEED_RESCHED,
1225};
1226
1227struct nfs_pgio_header {
1228 struct inode *inode;
1229 struct rpc_cred *cred;
1230 struct list_head pages;
1231 struct list_head rpc_list;
1232 atomic_t refcnt;
1233 struct nfs_page *req;
1234 struct nfs_writeverf *verf;
1235 struct pnfs_layout_segment *lseg;
1236 loff_t io_start;
1237 const struct rpc_call_ops *mds_ops;
1238 void (*release) (struct nfs_pgio_header *hdr);
1239 const struct nfs_pgio_completion_ops *completion_ops;
1240 struct nfs_direct_req *dreq;
1241 void *layout_private;
1242 spinlock_t lock;
1243
1244 int pnfs_error;
1245 int error;
1246 unsigned long good_bytes;
1247 unsigned long flags;
1248};
1249
1250struct nfs_read_header {
1251 struct nfs_pgio_header header;
1252 struct nfs_read_data rpc_data;
1253};
1254
1255struct nfs_write_data {
1256 struct nfs_pgio_header *header;
1257 struct list_head list;
1258 struct rpc_task task;
1259 struct nfs_fattr fattr;
1260 struct nfs_writeverf verf;
1261 struct nfs_writeargs args;
1262 struct nfs_writeres res;
1263 unsigned long timestamp;
1264 int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
1265 __u64 mds_offset;
1266 struct nfs_page_array pages;
1267 struct nfs_client *ds_clp;
1268};
1269
1270struct nfs_write_header {
1271 struct nfs_pgio_header header;
1272 struct nfs_write_data rpc_data;
1273 struct nfs_writeverf verf;
1274};
1275
1276struct nfs_mds_commit_info {
1277 atomic_t rpcs_out;
1278 unsigned long ncommit;
1279 struct list_head list;
1280};
1281
1282struct nfs_commit_data;
1283struct nfs_inode;
1284struct nfs_commit_completion_ops {
1285 void (*error_cleanup) (struct nfs_inode *nfsi);
1286 void (*completion) (struct nfs_commit_data *data);
1287};
1288
1289struct nfs_commit_info {
1290 spinlock_t *lock;
1291 struct nfs_mds_commit_info *mds;
1292 struct pnfs_ds_commit_info *ds;
1293 struct nfs_direct_req *dreq;
1294 const struct nfs_commit_completion_ops *completion_ops;
1295};
1296
1297struct nfs_commit_data {
1298 struct rpc_task task;
1299 struct inode *inode;
1300 struct rpc_cred *cred;
1301 struct nfs_fattr fattr;
1302 struct nfs_writeverf verf;
1303 struct list_head pages;
1304 struct list_head list;
1305 struct nfs_direct_req *dreq;
1306 struct nfs_commitargs args;
1307 struct nfs_commitres res;
1308 struct nfs_open_context *context;
1309 struct pnfs_layout_segment *lseg;
1310 struct nfs_client *ds_clp;
1311 int ds_commit_index;
1312 const struct rpc_call_ops *mds_ops;
1313 const struct nfs_commit_completion_ops *completion_ops;
1314 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1315};
1316
1317struct nfs_pgio_completion_ops {
1318 void (*error_cleanup)(struct list_head *head);
1319 void (*init_hdr)(struct nfs_pgio_header *hdr);
1320 void (*completion)(struct nfs_pgio_header *hdr);
1321};
1322
1323struct nfs_unlinkdata {
1324 struct hlist_node list;
1325 struct nfs_removeargs args;
1326 struct nfs_removeres res;
1327 struct inode *dir;
1328 struct rpc_cred *cred;
1329 struct nfs_fattr dir_attr;
1330};
1331
1332struct nfs_renamedata {
1333 struct nfs_renameargs args;
1334 struct nfs_renameres res;
1335 struct rpc_cred *cred;
1336 struct inode *old_dir;
1337 struct dentry *old_dentry;
1338 struct nfs_fattr old_fattr;
1339 struct inode *new_dir;
1340 struct dentry *new_dentry;
1341 struct nfs_fattr new_fattr;
1342};
1343
1344struct nfs_access_entry;
1345struct nfs_client;
1346struct rpc_timeout;
1347struct nfs_subversion;
1348struct nfs_mount_info;
1349struct nfs_client_initdata;
1350struct nfs_pageio_descriptor;
1351
1352
1353
1354
1355struct nfs_rpc_ops {
1356 u32 version;
1357 const struct dentry_operations *dentry_ops;
1358 const struct inode_operations *dir_inode_ops;
1359 const struct inode_operations *file_inode_ops;
1360 const struct file_operations *file_ops;
1361
1362 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1363 struct nfs_fsinfo *);
1364 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1365 struct nfs_fh *, struct nfs_fattr *);
1366 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1367 struct nfs_subversion *);
1368 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1369 struct nfs_fattr *);
1370 int (*setattr) (struct dentry *, struct nfs_fattr *,
1371 struct iattr *);
1372 int (*lookup) (struct inode *, struct qstr *,
1373 struct nfs_fh *, struct nfs_fattr *);
1374 int (*access) (struct inode *, struct nfs_access_entry *);
1375 int (*readlink)(struct inode *, struct page *, unsigned int,
1376 unsigned int);
1377 int (*create) (struct inode *, struct dentry *,
1378 struct iattr *, int);
1379 int (*remove) (struct inode *, struct qstr *);
1380 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1381 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
1382 int (*unlink_done) (struct rpc_task *, struct inode *);
1383 int (*rename) (struct inode *, struct qstr *,
1384 struct inode *, struct qstr *);
1385 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1386 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
1387 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1388 int (*link) (struct inode *, struct inode *, struct qstr *);
1389 int (*symlink) (struct inode *, struct dentry *, struct page *,
1390 unsigned int, struct iattr *);
1391 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1392 int (*rmdir) (struct inode *, struct qstr *);
1393 int (*readdir) (struct dentry *, struct rpc_cred *,
1394 u64, struct page **, unsigned int, int);
1395 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1396 dev_t);
1397 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1398 struct nfs_fsstat *);
1399 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1400 struct nfs_fsinfo *);
1401 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1402 struct nfs_pathconf *);
1403 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1404 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
1405 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
1406 void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *,
1407 const struct nfs_pgio_completion_ops *);
1408 void (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *);
1409 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
1410 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
1411 void (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int,
1412 const struct nfs_pgio_completion_ops *);
1413 void (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *);
1414 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
1415 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1416 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1417 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1418 int (*lock)(struct file *, int, struct file_lock *);
1419 int (*lock_check_bounds)(const struct file_lock *);
1420 void (*clear_acl_cache)(struct inode *);
1421 void (*close_context)(struct nfs_open_context *ctx, int);
1422 struct inode * (*open_context) (struct inode *dir,
1423 struct nfs_open_context *ctx,
1424 int open_flags,
1425 struct iattr *iattr);
1426 int (*have_delegation)(struct inode *, fmode_t);
1427 int (*return_delegation)(struct inode *);
1428 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
1429 struct nfs_client *
1430 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
1431 const char *, rpc_authflavor_t);
1432 void (*free_client) (struct nfs_client *);
1433 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1434 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1435 struct nfs_fattr *, rpc_authflavor_t);
1436};
1437
1438
1439
1440
1441
1442
1443#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1444
1445
1446
1447
1448extern const struct nfs_rpc_ops nfs_v2_clientops;
1449extern const struct nfs_rpc_ops nfs_v3_clientops;
1450extern const struct nfs_rpc_ops nfs_v4_clientops;
1451extern const struct rpc_version nfs_version2;
1452extern const struct rpc_version nfs_version3;
1453extern const struct rpc_version nfs_version4;
1454
1455extern const struct rpc_version nfsacl_version3;
1456extern const struct rpc_program nfsacl_program;
1457
1458#endif
1459