4 * NFSv4 protocol definitions.
6 * Copyright (c) 2002 The Regents of the University of Michigan.
9 * Kendrick Smith <kmsmith@umich.edu>
10 * Andy Adamson <andros@umich.edu>
16 #include <linux/types.h>
18 #define NFS4_BITMAP_SIZE 2
19 #define NFS4_VERIFIER_SIZE 8
20 #define NFS4_STATEID_SEQID_SIZE 4
21 #define NFS4_STATEID_OTHER_SIZE 12
22 #define NFS4_STATEID_SIZE (NFS4_STATEID_SEQID_SIZE + NFS4_STATEID_OTHER_SIZE)
23 #define NFS4_FHSIZE 128
24 #define NFS4_MAXPATHLEN PATH_MAX
25 #define NFS4_MAXNAMLEN NAME_MAX
26 #define NFS4_OPAQUE_LIMIT 1024
27 #define NFS4_MAX_SESSIONID_LEN 16
29 #define NFS4_ACCESS_READ 0x0001
30 #define NFS4_ACCESS_LOOKUP 0x0002
31 #define NFS4_ACCESS_MODIFY 0x0004
32 #define NFS4_ACCESS_EXTEND 0x0008
33 #define NFS4_ACCESS_DELETE 0x0010
34 #define NFS4_ACCESS_EXECUTE 0x0020
36 #define NFS4_FH_PERSISTENT 0x0000
37 #define NFS4_FH_NOEXPIRE_WITH_OPEN 0x0001
38 #define NFS4_FH_VOLATILE_ANY 0x0002
39 #define NFS4_FH_VOL_MIGRATION 0x0004
40 #define NFS4_FH_VOL_RENAME 0x0008
42 #define NFS4_OPEN_RESULT_CONFIRM 0x0002
43 #define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004
45 #define NFS4_SHARE_ACCESS_MASK 0x000F
46 #define NFS4_SHARE_ACCESS_READ 0x0001
47 #define NFS4_SHARE_ACCESS_WRITE 0x0002
48 #define NFS4_SHARE_ACCESS_BOTH 0x0003
49 #define NFS4_SHARE_DENY_READ 0x0001
50 #define NFS4_SHARE_DENY_WRITE 0x0002
51 #define NFS4_SHARE_DENY_BOTH 0x0003
54 #define NFS4_SHARE_WANT_MASK 0xFF00
55 #define NFS4_SHARE_WANT_NO_PREFERENCE 0x0000
56 #define NFS4_SHARE_WANT_READ_DELEG 0x0100
57 #define NFS4_SHARE_WANT_WRITE_DELEG 0x0200
58 #define NFS4_SHARE_WANT_ANY_DELEG 0x0300
59 #define NFS4_SHARE_WANT_NO_DELEG 0x0400
60 #define NFS4_SHARE_WANT_CANCEL 0x0500
62 #define NFS4_SHARE_WHEN_MASK 0xF0000
63 #define NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL 0x10000
64 #define NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED 0x20000
66 #define NFS4_CDFC4_FORE 0x1
67 #define NFS4_CDFC4_BACK 0x2
68 #define NFS4_CDFC4_BOTH 0x3
69 #define NFS4_CDFC4_FORE_OR_BOTH 0x3
70 #define NFS4_CDFC4_BACK_OR_BOTH 0x7
72 #define NFS4_CDFS4_FORE 0x1
73 #define NFS4_CDFS4_BACK 0x2
74 #define NFS4_CDFS4_BOTH 0x3
76 #define NFS4_SET_TO_SERVER_TIME 0
77 #define NFS4_SET_TO_CLIENT_TIME 1
79 #define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0
80 #define NFS4_ACE_ACCESS_DENIED_ACE_TYPE 1
81 #define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE 2
82 #define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE 3
84 #define ACL4_SUPPORT_ALLOW_ACL 0x01
85 #define ACL4_SUPPORT_DENY_ACL 0x02
86 #define ACL4_SUPPORT_AUDIT_ACL 0x04
87 #define ACL4_SUPPORT_ALARM_ACL 0x08
89 #define NFS4_ACE_FILE_INHERIT_ACE 0x00000001
90 #define NFS4_ACE_DIRECTORY_INHERIT_ACE 0x00000002
91 #define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE 0x00000004
92 #define NFS4_ACE_INHERIT_ONLY_ACE 0x00000008
93 #define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010
94 #define NFS4_ACE_FAILED_ACCESS_ACE_FLAG 0x00000020
95 #define NFS4_ACE_IDENTIFIER_GROUP 0x00000040
97 #define NFS4_ACE_READ_DATA 0x00000001
98 #define NFS4_ACE_LIST_DIRECTORY 0x00000001
99 #define NFS4_ACE_WRITE_DATA 0x00000002
100 #define NFS4_ACE_ADD_FILE 0x00000002
101 #define NFS4_ACE_APPEND_DATA 0x00000004
102 #define NFS4_ACE_ADD_SUBDIRECTORY 0x00000004
103 #define NFS4_ACE_READ_NAMED_ATTRS 0x00000008
104 #define NFS4_ACE_WRITE_NAMED_ATTRS 0x00000010
105 #define NFS4_ACE_EXECUTE 0x00000020
106 #define NFS4_ACE_DELETE_CHILD 0x00000040
107 #define NFS4_ACE_READ_ATTRIBUTES 0x00000080
108 #define NFS4_ACE_WRITE_ATTRIBUTES 0x00000100
109 #define NFS4_ACE_DELETE 0x00010000
110 #define NFS4_ACE_READ_ACL 0x00020000
111 #define NFS4_ACE_WRITE_ACL 0x00040000
112 #define NFS4_ACE_WRITE_OWNER 0x00080000
113 #define NFS4_ACE_SYNCHRONIZE 0x00100000
114 #define NFS4_ACE_GENERIC_READ 0x00120081
115 #define NFS4_ACE_GENERIC_WRITE 0x00160106
116 #define NFS4_ACE_GENERIC_EXECUTE 0x001200A0
117 #define NFS4_ACE_MASK_ALL 0x001F01FF
119 #define EXCHGID4_FLAG_SUPP_MOVED_REFER 0x00000001
120 #define EXCHGID4_FLAG_SUPP_MOVED_MIGR 0x00000002
121 #define EXCHGID4_FLAG_BIND_PRINC_STATEID 0x00000100
123 #define EXCHGID4_FLAG_USE_NON_PNFS 0x00010000
124 #define EXCHGID4_FLAG_USE_PNFS_MDS 0x00020000
125 #define EXCHGID4_FLAG_USE_PNFS_DS 0x00040000
126 #define EXCHGID4_FLAG_MASK_PNFS 0x00070000
128 #define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A 0x40000000
129 #define EXCHGID4_FLAG_CONFIRMED_R 0x80000000
131 * Since the validity of these bits depends on whether
132 * they're set in the argument or response, have separate
133 * invalid flag masks for arg (_A) and resp (_R).
135 #define EXCHGID4_FLAG_MASK_A 0x40070103
136 #define EXCHGID4_FLAG_MASK_R 0x80070103
138 #define SEQ4_STATUS_CB_PATH_DOWN 0x00000001
139 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING 0x00000002
140 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED 0x00000004
141 #define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED 0x00000008
142 #define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED 0x00000010
143 #define SEQ4_STATUS_ADMIN_STATE_REVOKED 0x00000020
144 #define SEQ4_STATUS_RECALLABLE_STATE_REVOKED 0x00000040
145 #define SEQ4_STATUS_LEASE_MOVED 0x00000080
146 #define SEQ4_STATUS_RESTART_RECLAIM_NEEDED 0x00000100
147 #define SEQ4_STATUS_CB_PATH_DOWN_SESSION 0x00000200
148 #define SEQ4_STATUS_BACKCHANNEL_FAULT 0x00000400
150 #define NFS4_SECINFO_STYLE4_CURRENT_FH 0
151 #define NFS4_SECINFO_STYLE4_PARENT 1
153 #define NFS4_MAX_UINT64 (~(u64)0)
155 /* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.
156 * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly.
158 #define NFS4_MAX_OPS 8
160 /* Our NFS4 client back channel server only wants the cb_sequene and the
161 * actual operation per compound
163 #define NFS4_MAX_BACK_CHANNEL_OPS 2
165 enum nfs4_acl_whotype
{
166 NFS4_ACL_WHO_NAMED
= 0,
169 NFS4_ACL_WHO_EVERYONE
,
173 #include <linux/list.h>
178 uint32_t access_mask
;
185 struct nfs4_ace aces
[0];
188 typedef struct { char data
[NFS4_VERIFIER_SIZE
]; } nfs4_verifier
;
190 struct nfs_stateid4
{
192 char other
[NFS4_STATEID_OTHER_SIZE
];
193 } __attribute__ ((packed
));
195 typedef struct nfs_stateid4 nfs4_stateid
;
215 OP_OPEN_CONFIRM
= 20,
216 OP_OPEN_DOWNGRADE
= 21,
231 OP_SETCLIENTID_CONFIRM
= 36,
234 OP_RELEASE_LOCKOWNER
= 39,
237 OP_BACKCHANNEL_CTL
= 40,
238 OP_BIND_CONN_TO_SESSION
= 41,
240 OP_CREATE_SESSION
= 43,
241 OP_DESTROY_SESSION
= 44,
242 OP_FREE_STATEID
= 45,
243 OP_GET_DIR_DELEGATION
= 46,
244 OP_GETDEVICEINFO
= 47,
245 OP_GETDEVICELIST
= 48,
246 OP_LAYOUTCOMMIT
= 49,
248 OP_LAYOUTRETURN
= 51,
249 OP_SECINFO_NO_NAME
= 52,
252 OP_TEST_STATEID
= 55,
253 OP_WANT_DELEGATION
= 56,
254 OP_DESTROY_CLIENTID
= 57,
255 OP_RECLAIM_COMPLETE
= 58,
260 /*Defining first and last NFS4 operations implemented.
261 Needs to be updated if more operations are defined in future.*/
263 #define FIRST_NFS4_OP OP_ACCESS
264 #define LAST_NFS4_OP OP_RECLAIM_COMPLETE
275 /* Unused/reserved 19 */
283 NFS4ERR_NAMETOOLONG
= 63,
284 NFS4ERR_NOTEMPTY
= 66,
287 NFS4ERR_BADHANDLE
= 10001,
288 NFS4ERR_BAD_COOKIE
= 10003,
289 NFS4ERR_NOTSUPP
= 10004,
290 NFS4ERR_TOOSMALL
= 10005,
291 NFS4ERR_SERVERFAULT
= 10006,
292 NFS4ERR_BADTYPE
= 10007,
293 NFS4ERR_DELAY
= 10008,
294 NFS4ERR_SAME
= 10009,
295 NFS4ERR_DENIED
= 10010,
296 NFS4ERR_EXPIRED
= 10011,
297 NFS4ERR_LOCKED
= 10012,
298 NFS4ERR_GRACE
= 10013,
299 NFS4ERR_FHEXPIRED
= 10014,
300 NFS4ERR_SHARE_DENIED
= 10015,
301 NFS4ERR_WRONGSEC
= 10016,
302 NFS4ERR_CLID_INUSE
= 10017,
303 NFS4ERR_RESOURCE
= 10018,
304 NFS4ERR_MOVED
= 10019,
305 NFS4ERR_NOFILEHANDLE
= 10020,
306 NFS4ERR_MINOR_VERS_MISMATCH
= 10021,
307 NFS4ERR_STALE_CLIENTID
= 10022,
308 NFS4ERR_STALE_STATEID
= 10023,
309 NFS4ERR_OLD_STATEID
= 10024,
310 NFS4ERR_BAD_STATEID
= 10025,
311 NFS4ERR_BAD_SEQID
= 10026,
312 NFS4ERR_NOT_SAME
= 10027,
313 NFS4ERR_LOCK_RANGE
= 10028,
314 NFS4ERR_SYMLINK
= 10029,
315 NFS4ERR_RESTOREFH
= 10030,
316 NFS4ERR_LEASE_MOVED
= 10031,
317 NFS4ERR_ATTRNOTSUPP
= 10032,
318 NFS4ERR_NO_GRACE
= 10033,
319 NFS4ERR_RECLAIM_BAD
= 10034,
320 NFS4ERR_RECLAIM_CONFLICT
= 10035,
321 NFS4ERR_BADXDR
= 10036,
322 NFS4ERR_LOCKS_HELD
= 10037,
323 NFS4ERR_OPENMODE
= 10038,
324 NFS4ERR_BADOWNER
= 10039,
325 NFS4ERR_BADCHAR
= 10040,
326 NFS4ERR_BADNAME
= 10041,
327 NFS4ERR_BAD_RANGE
= 10042,
328 NFS4ERR_LOCK_NOTSUPP
= 10043,
329 NFS4ERR_OP_ILLEGAL
= 10044,
330 NFS4ERR_DEADLOCK
= 10045,
331 NFS4ERR_FILE_OPEN
= 10046,
332 NFS4ERR_ADMIN_REVOKED
= 10047,
333 NFS4ERR_CB_PATH_DOWN
= 10048,
336 NFS4ERR_BADIOMODE
= 10049,
337 NFS4ERR_BADLAYOUT
= 10050,
338 NFS4ERR_BAD_SESSION_DIGEST
= 10051,
339 NFS4ERR_BADSESSION
= 10052,
340 NFS4ERR_BADSLOT
= 10053,
341 NFS4ERR_COMPLETE_ALREADY
= 10054,
342 NFS4ERR_CONN_NOT_BOUND_TO_SESSION
= 10055,
343 NFS4ERR_DELEG_ALREADY_WANTED
= 10056,
344 NFS4ERR_BACK_CHAN_BUSY
= 10057, /* backchan reqs outstanding */
345 NFS4ERR_LAYOUTTRYLATER
= 10058,
346 NFS4ERR_LAYOUTUNAVAILABLE
= 10059,
347 NFS4ERR_NOMATCHING_LAYOUT
= 10060,
348 NFS4ERR_RECALLCONFLICT
= 10061,
349 NFS4ERR_UNKNOWN_LAYOUTTYPE
= 10062,
350 NFS4ERR_SEQ_MISORDERED
= 10063, /* unexpected seq.id in req */
351 NFS4ERR_SEQUENCE_POS
= 10064, /* [CB_]SEQ. op not 1st op */
352 NFS4ERR_REQ_TOO_BIG
= 10065, /* request too big */
353 NFS4ERR_REP_TOO_BIG
= 10066, /* reply too big */
354 NFS4ERR_REP_TOO_BIG_TO_CACHE
= 10067, /* rep. not all cached */
355 NFS4ERR_RETRY_UNCACHED_REP
= 10068, /* retry & rep. uncached */
356 NFS4ERR_UNSAFE_COMPOUND
= 10069, /* retry/recovery too hard */
357 NFS4ERR_TOO_MANY_OPS
= 10070, /* too many ops in [CB_]COMP */
358 NFS4ERR_OP_NOT_IN_SESSION
= 10071, /* op needs [CB_]SEQ. op */
359 NFS4ERR_HASH_ALG_UNSUPP
= 10072, /* hash alg. not supp. */
360 /* Error 10073 is unused. */
361 NFS4ERR_CLIENTID_BUSY
= 10074, /* clientid has state */
362 NFS4ERR_PNFS_IO_HOLE
= 10075, /* IO to _SPARSE file hole */
363 NFS4ERR_SEQ_FALSE_RETRY
= 10076, /* retry not original */
364 NFS4ERR_BAD_HIGH_SLOT
= 10077, /* sequence arg bad */
365 NFS4ERR_DEADSESSION
= 10078, /* persistent session dead */
366 NFS4ERR_ENCR_ALG_UNSUPP
= 10079, /* SSV alg mismatch */
367 NFS4ERR_PNFS_NO_LAYOUT
= 10080, /* direct I/O with no layout */
368 NFS4ERR_NOT_ONLY_OP
= 10081, /* bad compound */
369 NFS4ERR_WRONG_CRED
= 10082, /* permissions:state change */
370 NFS4ERR_WRONG_TYPE
= 10083, /* current operation mismatch */
371 NFS4ERR_DIRDELEG_UNAVAIL
= 10084, /* no directory delegation */
372 NFS4ERR_REJECT_DELEG
= 10085, /* on callback */
373 NFS4ERR_RETURNCONFLICT
= 10086, /* outstanding layoutreturn */
374 NFS4ERR_DELEG_REVOKED
= 10087, /* deleg./layout revoked */
377 static inline bool seqid_mutating_err(u32 err
)
379 /* rfc 3530 section 8.1.5: */
381 case NFS4ERR_STALE_CLIENTID
:
382 case NFS4ERR_STALE_STATEID
:
383 case NFS4ERR_BAD_STATEID
:
384 case NFS4ERR_BAD_SEQID
:
386 case NFS4ERR_RESOURCE
:
387 case NFS4ERR_NOFILEHANDLE
:
394 * Note: NF4BAD is not actually part of the protocol; it is just used
395 * internally by nfsd.
399 NF4REG
= 1, /* Regular File */
400 NF4DIR
= 2, /* Directory */
401 NF4BLK
= 3, /* Special File - block device */
402 NF4CHR
= 4, /* Special File - character device */
403 NF4LNK
= 5, /* Symbolic Link */
404 NF4SOCK
= 6, /* Special File - socket */
405 NF4FIFO
= 7, /* Special File - fifo */
406 NF4ATTRDIR
= 8, /* Attribute Directory */
407 NF4NAMEDATTR
= 9 /* Named Attribute */
410 enum open_claim_type4
{
411 NFS4_OPEN_CLAIM_NULL
= 0,
412 NFS4_OPEN_CLAIM_PREVIOUS
= 1,
413 NFS4_OPEN_CLAIM_DELEGATE_CUR
= 2,
414 NFS4_OPEN_CLAIM_DELEGATE_PREV
= 3,
415 NFS4_OPEN_CLAIM_FH
= 4, /* 4.1 */
416 NFS4_OPEN_CLAIM_DELEG_CUR_FH
= 5, /* 4.1 */
417 NFS4_OPEN_CLAIM_DELEG_PREV_FH
= 6, /* 4.1 */
421 NFS4_OPEN_NOCREATE
= 0,
426 NFS4_CREATE_UNCHECKED
= 0,
427 NFS4_CREATE_GUARDED
= 1,
428 NFS4_CREATE_EXCLUSIVE
= 2,
430 * New to NFSv4.1. If session is persistent,
431 * GUARDED4 MUST be used. Otherwise, use
432 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
434 NFS4_CREATE_EXCLUSIVE4_1
= 3
439 NFS4_LIMIT_BLOCKS
= 2
442 enum open_delegation_type4
{
443 NFS4_OPEN_DELEGATE_NONE
= 0,
444 NFS4_OPEN_DELEGATE_READ
= 1,
445 NFS4_OPEN_DELEGATE_WRITE
= 2,
446 NFS4_OPEN_DELEGATE_NONE_EXT
= 3, /* 4.1 */
449 enum why_no_delegation4
{ /* new to v4.1 */
453 WND4_NOT_SUPP_FTYPE
= 3,
454 WND4_WRITE_DELEG_NOT_SUPP_FTYPE
= 4,
455 WND4_NOT_SUPP_UPGRADE
= 5,
456 WND4_NOT_SUPP_DOWNGRADE
= 6,
470 /* Mandatory Attributes */
471 #define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
472 #define FATTR4_WORD0_TYPE (1UL << 1)
473 #define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
474 #define FATTR4_WORD0_CHANGE (1UL << 3)
475 #define FATTR4_WORD0_SIZE (1UL << 4)
476 #define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
477 #define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
478 #define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
479 #define FATTR4_WORD0_FSID (1UL << 8)
480 #define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
481 #define FATTR4_WORD0_LEASE_TIME (1UL << 10)
482 #define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
483 /* Mandatory in NFSv4.1 */
484 #define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
486 /* Recommended Attributes */
487 #define FATTR4_WORD0_ACL (1UL << 12)
488 #define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
489 #define FATTR4_WORD0_ARCHIVE (1UL << 14)
490 #define FATTR4_WORD0_CANSETTIME (1UL << 15)
491 #define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
492 #define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
493 #define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
494 #define FATTR4_WORD0_FILEHANDLE (1UL << 19)
495 #define FATTR4_WORD0_FILEID (1UL << 20)
496 #define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
497 #define FATTR4_WORD0_FILES_FREE (1UL << 22)
498 #define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
499 #define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
500 #define FATTR4_WORD0_HIDDEN (1UL << 25)
501 #define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
502 #define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
503 #define FATTR4_WORD0_MAXLINK (1UL << 28)
504 #define FATTR4_WORD0_MAXNAME (1UL << 29)
505 #define FATTR4_WORD0_MAXREAD (1UL << 30)
506 #define FATTR4_WORD0_MAXWRITE (1UL << 31)
507 #define FATTR4_WORD1_MIMETYPE (1UL << 0)
508 #define FATTR4_WORD1_MODE (1UL << 1)
509 #define FATTR4_WORD1_NO_TRUNC (1UL << 2)
510 #define FATTR4_WORD1_NUMLINKS (1UL << 3)
511 #define FATTR4_WORD1_OWNER (1UL << 4)
512 #define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
513 #define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
514 #define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
515 #define FATTR4_WORD1_QUOTA_USED (1UL << 8)
516 #define FATTR4_WORD1_RAWDEV (1UL << 9)
517 #define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
518 #define FATTR4_WORD1_SPACE_FREE (1UL << 11)
519 #define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
520 #define FATTR4_WORD1_SPACE_USED (1UL << 13)
521 #define FATTR4_WORD1_SYSTEM (1UL << 14)
522 #define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
523 #define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
524 #define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
525 #define FATTR4_WORD1_TIME_CREATE (1UL << 18)
526 #define FATTR4_WORD1_TIME_DELTA (1UL << 19)
527 #define FATTR4_WORD1_TIME_METADATA (1UL << 20)
528 #define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
529 #define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
530 #define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
531 #define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
532 #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
533 #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4)
535 /* MDS threshold bitmap bits */
536 #define THRESHOLD_RD (1UL << 0)
537 #define THRESHOLD_WR (1UL << 1)
538 #define THRESHOLD_RD_IO (1UL << 2)
539 #define THRESHOLD_WR_IO (1UL << 3)
541 #define NFSPROC4_NULL 0
542 #define NFSPROC4_COMPOUND 1
543 #define NFS4_VERSION 4
544 #define NFS4_MINOR_VERSION 0
546 #if defined(CONFIG_NFS_V4_1)
547 #define NFS4_MAX_MINOR_VERSION 1
549 #define NFS4_MAX_MINOR_VERSION 0
550 #endif /* CONFIG_NFS_V4_1 */
554 /* Index of predefined Linux client operations */
557 NFSPROC4_CLNT_NULL
= 0, /* Unused */
560 NFSPROC4_CLNT_COMMIT
,
562 NFSPROC4_CLNT_OPEN_CONFIRM
,
563 NFSPROC4_CLNT_OPEN_NOATTR
,
564 NFSPROC4_CLNT_OPEN_DOWNGRADE
,
566 NFSPROC4_CLNT_SETATTR
,
567 NFSPROC4_CLNT_FSINFO
,
569 NFSPROC4_CLNT_SETCLIENTID
,
570 NFSPROC4_CLNT_SETCLIENTID_CONFIRM
,
574 NFSPROC4_CLNT_ACCESS
,
575 NFSPROC4_CLNT_GETATTR
,
576 NFSPROC4_CLNT_LOOKUP
,
577 NFSPROC4_CLNT_LOOKUP_ROOT
,
578 NFSPROC4_CLNT_REMOVE
,
579 NFSPROC4_CLNT_RENAME
,
581 NFSPROC4_CLNT_SYMLINK
,
582 NFSPROC4_CLNT_CREATE
,
583 NFSPROC4_CLNT_PATHCONF
,
584 NFSPROC4_CLNT_STATFS
,
585 NFSPROC4_CLNT_READLINK
,
586 NFSPROC4_CLNT_READDIR
,
587 NFSPROC4_CLNT_SERVER_CAPS
,
588 NFSPROC4_CLNT_DELEGRETURN
,
589 NFSPROC4_CLNT_GETACL
,
590 NFSPROC4_CLNT_SETACL
,
591 NFSPROC4_CLNT_FS_LOCATIONS
,
592 NFSPROC4_CLNT_RELEASE_LOCKOWNER
,
593 NFSPROC4_CLNT_SECINFO
,
596 NFSPROC4_CLNT_EXCHANGE_ID
,
597 NFSPROC4_CLNT_CREATE_SESSION
,
598 NFSPROC4_CLNT_DESTROY_SESSION
,
599 NFSPROC4_CLNT_SEQUENCE
,
600 NFSPROC4_CLNT_GET_LEASE_TIME
,
601 NFSPROC4_CLNT_RECLAIM_COMPLETE
,
602 NFSPROC4_CLNT_LAYOUTGET
,
603 NFSPROC4_CLNT_GETDEVICEINFO
,
604 NFSPROC4_CLNT_LAYOUTCOMMIT
,
605 NFSPROC4_CLNT_LAYOUTRETURN
,
606 NFSPROC4_CLNT_SECINFO_NO_NAME
,
607 NFSPROC4_CLNT_TEST_STATEID
,
608 NFSPROC4_CLNT_FREE_STATEID
,
609 NFSPROC4_CLNT_GETDEVICELIST
,
610 NFSPROC4_CLNT_BIND_CONN_TO_SESSION
,
611 NFSPROC4_CLNT_DESTROY_CLIENTID
,
615 struct nfs4_sessionid
{
616 unsigned char data
[NFS4_MAX_SESSIONID_LEN
];
619 /* Create Session Flags */
620 #define SESSION4_PERSIST 0x001
621 #define SESSION4_BACK_CHAN 0x002
622 #define SESSION4_RDMA 0x004
624 #define SESSION4_FLAG_MASK_A 0x007
626 enum state_protect_how4
{
632 enum pnfs_layouttype
{
633 LAYOUT_NFSV4_1_FILES
= 1,
634 LAYOUT_OSD2_OBJECTS
= 2,
635 LAYOUT_BLOCK_VOLUME
= 3,
638 /* used for both layout return and recall */
639 enum pnfs_layoutreturn_type
{
651 enum pnfs_notify_deviceid_type4
{
652 NOTIFY_DEVICEID4_CHANGE
= 1 << 1,
653 NOTIFY_DEVICEID4_DELETE
= 1 << 2,
656 #define NFL4_UFLG_MASK 0x0000003F
657 #define NFL4_UFLG_DENSE 0x00000001
658 #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002
659 #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0
661 /* Encoded in the loh_body field of type layouthint4 */
662 enum filelayout_hint_care4
{
663 NFLH4_CARE_DENSE
= NFL4_UFLG_DENSE
,
664 NFLH4_CARE_COMMIT_THRU_MDS
= NFL4_UFLG_COMMIT_THRU_MDS
,
665 NFLH4_CARE_STRIPE_UNIT_SIZE
= 0x00000040,
666 NFLH4_CARE_STRIPE_COUNT
= 0x00000080
669 #define NFS4_DEVICEID4_SIZE 16
671 struct nfs4_deviceid
{
672 char data
[NFS4_DEVICEID4_SIZE
];