1 /* SPDX-License-Identifier: GPL-2.0 */
5 * NFSv4 protocol definitions.
7 * Copyright (c) 2002 The Regents of the University of Michigan.
10 * Kendrick Smith <kmsmith@umich.edu>
11 * Andy Adamson <andros@umich.edu>
16 #include <linux/list.h>
17 #include <linux/uidgid.h>
18 #include <uapi/linux/nfs4.h>
19 #include <linux/sunrpc/msg_prot.h>
21 enum nfs4_acl_whotype
{
22 NFS4_ACL_WHO_NAMED
= 0,
25 NFS4_ACL_WHO_EVERYONE
,
41 struct nfs4_ace aces
[];
44 #define NFS4_MAXLABELLEN 2048
53 typedef struct { char data
[NFS4_VERIFIER_SIZE
]; } nfs4_verifier
;
55 struct nfs4_stateid_struct
{
57 char data
[NFS4_STATEID_SIZE
];
60 char other
[NFS4_STATEID_OTHER_SIZE
];
61 } __attribute__ ((packed
));
65 NFS4_INVALID_STATEID_TYPE
= 0,
66 NFS4_SPECIAL_STATEID_TYPE
,
67 NFS4_OPEN_STATEID_TYPE
,
68 NFS4_LOCK_STATEID_TYPE
,
69 NFS4_DELEGATION_STATEID_TYPE
,
70 NFS4_LAYOUT_STATEID_TYPE
,
71 NFS4_PNFS_DS_STATEID_TYPE
,
72 NFS4_REVOKED_STATEID_TYPE
,
76 typedef struct nfs4_stateid_struct nfs4_stateid
;
97 OP_OPEN_DOWNGRADE
= 21,
112 OP_SETCLIENTID_CONFIRM
= 36,
115 OP_RELEASE_LOCKOWNER
= 39,
118 OP_BACKCHANNEL_CTL
= 40,
119 OP_BIND_CONN_TO_SESSION
= 41,
121 OP_CREATE_SESSION
= 43,
122 OP_DESTROY_SESSION
= 44,
123 OP_FREE_STATEID
= 45,
124 OP_GET_DIR_DELEGATION
= 46,
125 OP_GETDEVICEINFO
= 47,
126 OP_GETDEVICELIST
= 48,
127 OP_LAYOUTCOMMIT
= 49,
129 OP_LAYOUTRETURN
= 51,
130 OP_SECINFO_NO_NAME
= 52,
133 OP_TEST_STATEID
= 55,
134 OP_WANT_DELEGATION
= 56,
135 OP_DESTROY_CLIENTID
= 57,
136 OP_RECLAIM_COMPLETE
= 58,
146 OP_OFFLOAD_CANCEL
= 66,
147 OP_OFFLOAD_STATUS
= 67,
153 /* xattr support (RFC8726) */
162 /*Defining first and last NFS4 operations implemented.
163 Needs to be updated if more operations are defined in future.*/
165 #define FIRST_NFS4_OP OP_ACCESS
166 #define LAST_NFS40_OP OP_RELEASE_LOCKOWNER
167 #define LAST_NFS41_OP OP_RECLAIM_COMPLETE
168 #define LAST_NFS42_OP OP_REMOVEXATTR
169 #define LAST_NFS4_OP LAST_NFS42_OP
180 /* Unused/reserved 19 */
188 NFS4ERR_NAMETOOLONG
= 63,
189 NFS4ERR_NOTEMPTY
= 66,
192 NFS4ERR_BADHANDLE
= 10001,
193 NFS4ERR_BAD_COOKIE
= 10003,
194 NFS4ERR_NOTSUPP
= 10004,
195 NFS4ERR_TOOSMALL
= 10005,
196 NFS4ERR_SERVERFAULT
= 10006,
197 NFS4ERR_BADTYPE
= 10007,
198 NFS4ERR_DELAY
= 10008,
199 NFS4ERR_SAME
= 10009,
200 NFS4ERR_DENIED
= 10010,
201 NFS4ERR_EXPIRED
= 10011,
202 NFS4ERR_LOCKED
= 10012,
203 NFS4ERR_GRACE
= 10013,
204 NFS4ERR_FHEXPIRED
= 10014,
205 NFS4ERR_SHARE_DENIED
= 10015,
206 NFS4ERR_WRONGSEC
= 10016,
207 NFS4ERR_CLID_INUSE
= 10017,
208 NFS4ERR_RESOURCE
= 10018,
209 NFS4ERR_MOVED
= 10019,
210 NFS4ERR_NOFILEHANDLE
= 10020,
211 NFS4ERR_MINOR_VERS_MISMATCH
= 10021,
212 NFS4ERR_STALE_CLIENTID
= 10022,
213 NFS4ERR_STALE_STATEID
= 10023,
214 NFS4ERR_OLD_STATEID
= 10024,
215 NFS4ERR_BAD_STATEID
= 10025,
216 NFS4ERR_BAD_SEQID
= 10026,
217 NFS4ERR_NOT_SAME
= 10027,
218 NFS4ERR_LOCK_RANGE
= 10028,
219 NFS4ERR_SYMLINK
= 10029,
220 NFS4ERR_RESTOREFH
= 10030,
221 NFS4ERR_LEASE_MOVED
= 10031,
222 NFS4ERR_ATTRNOTSUPP
= 10032,
223 NFS4ERR_NO_GRACE
= 10033,
224 NFS4ERR_RECLAIM_BAD
= 10034,
225 NFS4ERR_RECLAIM_CONFLICT
= 10035,
226 NFS4ERR_BADXDR
= 10036,
227 NFS4ERR_LOCKS_HELD
= 10037,
228 NFS4ERR_OPENMODE
= 10038,
229 NFS4ERR_BADOWNER
= 10039,
230 NFS4ERR_BADCHAR
= 10040,
231 NFS4ERR_BADNAME
= 10041,
232 NFS4ERR_BAD_RANGE
= 10042,
233 NFS4ERR_LOCK_NOTSUPP
= 10043,
234 NFS4ERR_OP_ILLEGAL
= 10044,
235 NFS4ERR_DEADLOCK
= 10045,
236 NFS4ERR_FILE_OPEN
= 10046,
237 NFS4ERR_ADMIN_REVOKED
= 10047,
238 NFS4ERR_CB_PATH_DOWN
= 10048,
241 NFS4ERR_BADIOMODE
= 10049,
242 NFS4ERR_BADLAYOUT
= 10050,
243 NFS4ERR_BAD_SESSION_DIGEST
= 10051,
244 NFS4ERR_BADSESSION
= 10052,
245 NFS4ERR_BADSLOT
= 10053,
246 NFS4ERR_COMPLETE_ALREADY
= 10054,
247 NFS4ERR_CONN_NOT_BOUND_TO_SESSION
= 10055,
248 NFS4ERR_DELEG_ALREADY_WANTED
= 10056,
249 NFS4ERR_BACK_CHAN_BUSY
= 10057, /* backchan reqs outstanding */
250 NFS4ERR_LAYOUTTRYLATER
= 10058,
251 NFS4ERR_LAYOUTUNAVAILABLE
= 10059,
252 NFS4ERR_NOMATCHING_LAYOUT
= 10060,
253 NFS4ERR_RECALLCONFLICT
= 10061,
254 NFS4ERR_UNKNOWN_LAYOUTTYPE
= 10062,
255 NFS4ERR_SEQ_MISORDERED
= 10063, /* unexpected seq.id in req */
256 NFS4ERR_SEQUENCE_POS
= 10064, /* [CB_]SEQ. op not 1st op */
257 NFS4ERR_REQ_TOO_BIG
= 10065, /* request too big */
258 NFS4ERR_REP_TOO_BIG
= 10066, /* reply too big */
259 NFS4ERR_REP_TOO_BIG_TO_CACHE
= 10067, /* rep. not all cached */
260 NFS4ERR_RETRY_UNCACHED_REP
= 10068, /* retry & rep. uncached */
261 NFS4ERR_UNSAFE_COMPOUND
= 10069, /* retry/recovery too hard */
262 NFS4ERR_TOO_MANY_OPS
= 10070, /* too many ops in [CB_]COMP */
263 NFS4ERR_OP_NOT_IN_SESSION
= 10071, /* op needs [CB_]SEQ. op */
264 NFS4ERR_HASH_ALG_UNSUPP
= 10072, /* hash alg. not supp. */
265 /* Error 10073 is unused. */
266 NFS4ERR_CLIENTID_BUSY
= 10074, /* clientid has state */
267 NFS4ERR_PNFS_IO_HOLE
= 10075, /* IO to _SPARSE file hole */
268 NFS4ERR_SEQ_FALSE_RETRY
= 10076, /* retry not original */
269 NFS4ERR_BAD_HIGH_SLOT
= 10077, /* sequence arg bad */
270 NFS4ERR_DEADSESSION
= 10078, /* persistent session dead */
271 NFS4ERR_ENCR_ALG_UNSUPP
= 10079, /* SSV alg mismatch */
272 NFS4ERR_PNFS_NO_LAYOUT
= 10080, /* direct I/O with no layout */
273 NFS4ERR_NOT_ONLY_OP
= 10081, /* bad compound */
274 NFS4ERR_WRONG_CRED
= 10082, /* permissions:state change */
275 NFS4ERR_WRONG_TYPE
= 10083, /* current operation mismatch */
276 NFS4ERR_DIRDELEG_UNAVAIL
= 10084, /* no directory delegation */
277 NFS4ERR_REJECT_DELEG
= 10085, /* on callback */
278 NFS4ERR_RETURNCONFLICT
= 10086, /* outstanding layoutreturn */
279 NFS4ERR_DELEG_REVOKED
= 10087, /* deleg./layout revoked */
282 NFS4ERR_PARTNER_NOTSUPP
= 10088,
283 NFS4ERR_PARTNER_NO_AUTH
= 10089,
284 NFS4ERR_UNION_NOTSUPP
= 10090,
285 NFS4ERR_OFFLOAD_DENIED
= 10091,
286 NFS4ERR_WRONG_LFS
= 10092,
287 NFS4ERR_BADLABEL
= 10093,
288 NFS4ERR_OFFLOAD_NO_REQS
= 10094,
290 /* xattr (RFC8276) */
291 NFS4ERR_NOXATTR
= 10095,
292 NFS4ERR_XATTR2BIG
= 10096,
295 static inline bool seqid_mutating_err(u32 err
)
297 /* See RFC 7530, section 9.1.7 */
299 case NFS4ERR_STALE_CLIENTID
:
300 case NFS4ERR_STALE_STATEID
:
301 case NFS4ERR_BAD_STATEID
:
302 case NFS4ERR_BAD_SEQID
:
304 case NFS4ERR_RESOURCE
:
305 case NFS4ERR_NOFILEHANDLE
:
313 * Note: NF4BAD is not actually part of the protocol; it is just used
314 * internally by nfsd.
318 NF4REG
= 1, /* Regular File */
319 NF4DIR
= 2, /* Directory */
320 NF4BLK
= 3, /* Special File - block device */
321 NF4CHR
= 4, /* Special File - character device */
322 NF4LNK
= 5, /* Symbolic Link */
323 NF4SOCK
= 6, /* Special File - socket */
324 NF4FIFO
= 7, /* Special File - fifo */
325 NF4ATTRDIR
= 8, /* Attribute Directory */
326 NF4NAMEDATTR
= 9 /* Named Attribute */
329 enum open_claim_type4
{
330 NFS4_OPEN_CLAIM_NULL
= 0,
331 NFS4_OPEN_CLAIM_PREVIOUS
= 1,
332 NFS4_OPEN_CLAIM_DELEGATE_CUR
= 2,
333 NFS4_OPEN_CLAIM_DELEGATE_PREV
= 3,
334 NFS4_OPEN_CLAIM_FH
= 4, /* 4.1 */
335 NFS4_OPEN_CLAIM_DELEG_CUR_FH
= 5, /* 4.1 */
336 NFS4_OPEN_CLAIM_DELEG_PREV_FH
= 6, /* 4.1 */
340 NFS4_OPEN_NOCREATE
= 0,
345 NFS4_CREATE_UNCHECKED
= 0,
346 NFS4_CREATE_GUARDED
= 1,
347 NFS4_CREATE_EXCLUSIVE
= 2,
349 * New to NFSv4.1. If session is persistent,
350 * GUARDED4 MUST be used. Otherwise, use
351 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
353 NFS4_CREATE_EXCLUSIVE4_1
= 3
358 NFS4_LIMIT_BLOCKS
= 2
361 enum open_delegation_type4
{
362 NFS4_OPEN_DELEGATE_NONE
= 0,
363 NFS4_OPEN_DELEGATE_READ
= 1,
364 NFS4_OPEN_DELEGATE_WRITE
= 2,
365 NFS4_OPEN_DELEGATE_NONE_EXT
= 3, /* 4.1 */
368 enum why_no_delegation4
{ /* new to v4.1 */
372 WND4_NOT_SUPP_FTYPE
= 3,
373 WND4_WRITE_DELEG_NOT_SUPP_FTYPE
= 4,
374 WND4_NOT_SUPP_UPGRADE
= 5,
375 WND4_NOT_SUPP_DOWNGRADE
= 6,
389 /* Mandatory Attributes */
390 #define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
391 #define FATTR4_WORD0_TYPE (1UL << 1)
392 #define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
393 #define FATTR4_WORD0_CHANGE (1UL << 3)
394 #define FATTR4_WORD0_SIZE (1UL << 4)
395 #define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
396 #define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
397 #define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
398 #define FATTR4_WORD0_FSID (1UL << 8)
399 #define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
400 #define FATTR4_WORD0_LEASE_TIME (1UL << 10)
401 #define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
402 /* Mandatory in NFSv4.1 */
403 #define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
405 /* Recommended Attributes */
406 #define FATTR4_WORD0_ACL (1UL << 12)
407 #define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
408 #define FATTR4_WORD0_ARCHIVE (1UL << 14)
409 #define FATTR4_WORD0_CANSETTIME (1UL << 15)
410 #define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
411 #define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
412 #define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
413 #define FATTR4_WORD0_FILEHANDLE (1UL << 19)
414 #define FATTR4_WORD0_FILEID (1UL << 20)
415 #define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
416 #define FATTR4_WORD0_FILES_FREE (1UL << 22)
417 #define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
418 #define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
419 #define FATTR4_WORD0_HIDDEN (1UL << 25)
420 #define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
421 #define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
422 #define FATTR4_WORD0_MAXLINK (1UL << 28)
423 #define FATTR4_WORD0_MAXNAME (1UL << 29)
424 #define FATTR4_WORD0_MAXREAD (1UL << 30)
425 #define FATTR4_WORD0_MAXWRITE (1UL << 31)
426 #define FATTR4_WORD1_MIMETYPE (1UL << 0)
427 #define FATTR4_WORD1_MODE (1UL << 1)
428 #define FATTR4_WORD1_NO_TRUNC (1UL << 2)
429 #define FATTR4_WORD1_NUMLINKS (1UL << 3)
430 #define FATTR4_WORD1_OWNER (1UL << 4)
431 #define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
432 #define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
433 #define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
434 #define FATTR4_WORD1_QUOTA_USED (1UL << 8)
435 #define FATTR4_WORD1_RAWDEV (1UL << 9)
436 #define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
437 #define FATTR4_WORD1_SPACE_FREE (1UL << 11)
438 #define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
439 #define FATTR4_WORD1_SPACE_USED (1UL << 13)
440 #define FATTR4_WORD1_SYSTEM (1UL << 14)
441 #define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
442 #define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
443 #define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
444 #define FATTR4_WORD1_TIME_CREATE (1UL << 18)
445 #define FATTR4_WORD1_TIME_DELTA (1UL << 19)
446 #define FATTR4_WORD1_TIME_METADATA (1UL << 20)
447 #define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
448 #define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
449 #define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
450 #define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
451 #define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0)
452 #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
453 #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4)
454 #define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13)
455 #define FATTR4_WORD2_CHANGE_ATTR_TYPE (1UL << 15)
456 #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16)
457 #define FATTR4_WORD2_MODE_UMASK (1UL << 17)
458 #define FATTR4_WORD2_XATTR_SUPPORT (1UL << 18)
460 /* MDS threshold bitmap bits */
461 #define THRESHOLD_RD (1UL << 0)
462 #define THRESHOLD_WR (1UL << 1)
463 #define THRESHOLD_RD_IO (1UL << 2)
464 #define THRESHOLD_WR_IO (1UL << 3)
466 #define NFSPROC4_NULL 0
467 #define NFSPROC4_COMPOUND 1
468 #define NFS4_VERSION 4
469 #define NFS4_MINOR_VERSION 0
474 * Index of predefined Linux client operations
476 * To ensure that /proc/net/rpc/nfs remains correctly ordered, please
477 * append only to this enum when adding new client operations.
481 NFSPROC4_CLNT_NULL
= 0, /* Unused */
484 NFSPROC4_CLNT_COMMIT
,
486 NFSPROC4_CLNT_OPEN_CONFIRM
,
487 NFSPROC4_CLNT_OPEN_NOATTR
,
488 NFSPROC4_CLNT_OPEN_DOWNGRADE
,
490 NFSPROC4_CLNT_SETATTR
,
491 NFSPROC4_CLNT_FSINFO
,
493 NFSPROC4_CLNT_SETCLIENTID
,
494 NFSPROC4_CLNT_SETCLIENTID_CONFIRM
,
498 NFSPROC4_CLNT_ACCESS
,
499 NFSPROC4_CLNT_GETATTR
,
500 NFSPROC4_CLNT_LOOKUP
,
501 NFSPROC4_CLNT_LOOKUP_ROOT
,
502 NFSPROC4_CLNT_REMOVE
,
503 NFSPROC4_CLNT_RENAME
,
505 NFSPROC4_CLNT_SYMLINK
,
506 NFSPROC4_CLNT_CREATE
,
507 NFSPROC4_CLNT_PATHCONF
,
508 NFSPROC4_CLNT_STATFS
,
509 NFSPROC4_CLNT_READLINK
,
510 NFSPROC4_CLNT_READDIR
,
511 NFSPROC4_CLNT_SERVER_CAPS
,
512 NFSPROC4_CLNT_DELEGRETURN
,
513 NFSPROC4_CLNT_GETACL
,
514 NFSPROC4_CLNT_SETACL
,
515 NFSPROC4_CLNT_FS_LOCATIONS
,
516 NFSPROC4_CLNT_RELEASE_LOCKOWNER
,
517 NFSPROC4_CLNT_SECINFO
,
518 NFSPROC4_CLNT_FSID_PRESENT
,
520 NFSPROC4_CLNT_EXCHANGE_ID
,
521 NFSPROC4_CLNT_CREATE_SESSION
,
522 NFSPROC4_CLNT_DESTROY_SESSION
,
523 NFSPROC4_CLNT_SEQUENCE
,
524 NFSPROC4_CLNT_GET_LEASE_TIME
,
525 NFSPROC4_CLNT_RECLAIM_COMPLETE
,
526 NFSPROC4_CLNT_LAYOUTGET
,
527 NFSPROC4_CLNT_GETDEVICEINFO
,
528 NFSPROC4_CLNT_LAYOUTCOMMIT
,
529 NFSPROC4_CLNT_LAYOUTRETURN
,
530 NFSPROC4_CLNT_SECINFO_NO_NAME
,
531 NFSPROC4_CLNT_TEST_STATEID
,
532 NFSPROC4_CLNT_FREE_STATEID
,
533 NFSPROC4_CLNT_GETDEVICELIST
,
534 NFSPROC4_CLNT_BIND_CONN_TO_SESSION
,
535 NFSPROC4_CLNT_DESTROY_CLIENTID
,
538 NFSPROC4_CLNT_ALLOCATE
,
539 NFSPROC4_CLNT_DEALLOCATE
,
540 NFSPROC4_CLNT_LAYOUTSTATS
,
543 NFSPROC4_CLNT_OFFLOAD_CANCEL
,
545 NFSPROC4_CLNT_LOOKUPP
,
546 NFSPROC4_CLNT_LAYOUTERROR
,
547 NFSPROC4_CLNT_COPY_NOTIFY
,
549 NFSPROC4_CLNT_GETXATTR
,
550 NFSPROC4_CLNT_SETXATTR
,
551 NFSPROC4_CLNT_LISTXATTRS
,
552 NFSPROC4_CLNT_REMOVEXATTR
,
553 NFSPROC4_CLNT_READ_PLUS
,
557 struct nfs4_sessionid
{
558 unsigned char data
[NFS4_MAX_SESSIONID_LEN
];
561 /* Create Session Flags */
562 #define SESSION4_PERSIST 0x001
563 #define SESSION4_BACK_CHAN 0x002
564 #define SESSION4_RDMA 0x004
566 #define SESSION4_FLAG_MASK_A 0x007
568 enum state_protect_how4
{
574 enum pnfs_layouttype
{
575 LAYOUT_NFSV4_1_FILES
= 1,
576 LAYOUT_OSD2_OBJECTS
= 2,
577 LAYOUT_BLOCK_VOLUME
= 3,
578 LAYOUT_FLEX_FILES
= 4,
583 /* used for both layout return and recall */
584 enum pnfs_layoutreturn_type
{
596 enum pnfs_notify_deviceid_type4
{
597 NOTIFY_DEVICEID4_CHANGE
= 1 << 1,
598 NOTIFY_DEVICEID4_DELETE
= 1 << 2,
601 enum pnfs_block_volume_type
{
602 PNFS_BLOCK_VOLUME_SIMPLE
= 0,
603 PNFS_BLOCK_VOLUME_SLICE
= 1,
604 PNFS_BLOCK_VOLUME_CONCAT
= 2,
605 PNFS_BLOCK_VOLUME_STRIPE
= 3,
606 PNFS_BLOCK_VOLUME_SCSI
= 4,
609 enum pnfs_block_extent_state
{
610 PNFS_BLOCK_READWRITE_DATA
= 0,
611 PNFS_BLOCK_READ_DATA
= 1,
612 PNFS_BLOCK_INVALID_DATA
= 2,
613 PNFS_BLOCK_NONE_DATA
= 3,
616 /* on the wire size of a block layout extent */
617 #define PNFS_BLOCK_EXTENT_SIZE \
618 (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE)
620 /* on the wire size of a scsi commit range */
621 #define PNFS_SCSI_RANGE_SIZE \
625 PS_CODE_SET_BINARY
= 1,
626 PS_CODE_SET_ASCII
= 2,
630 enum scsi_designator_type
{
631 PS_DESIGNATOR_T10
= 1,
632 PS_DESIGNATOR_EUI64
= 2,
633 PS_DESIGNATOR_NAA
= 3,
634 PS_DESIGNATOR_NAME
= 8
637 #define NFL4_UFLG_MASK 0x0000003F
638 #define NFL4_UFLG_DENSE 0x00000001
639 #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002
640 #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0
642 /* Encoded in the loh_body field of type layouthint4 */
643 enum filelayout_hint_care4
{
644 NFLH4_CARE_DENSE
= NFL4_UFLG_DENSE
,
645 NFLH4_CARE_COMMIT_THRU_MDS
= NFL4_UFLG_COMMIT_THRU_MDS
,
646 NFLH4_CARE_STRIPE_UNIT_SIZE
= 0x00000040,
647 NFLH4_CARE_STRIPE_COUNT
= 0x00000080
650 #define NFS4_DEVICEID4_SIZE 16
652 struct nfs4_deviceid
{
653 char data
[NFS4_DEVICEID4_SIZE
];
657 NFS4_CONTENT_DATA
= 0,
658 NFS4_CONTENT_HOLE
= 1,
661 enum pnfs_update_layout_reason
{
662 PNFS_UPDATE_LAYOUT_UNKNOWN
= 0,
663 PNFS_UPDATE_LAYOUT_NO_PNFS
,
664 PNFS_UPDATE_LAYOUT_RD_ZEROLEN
,
665 PNFS_UPDATE_LAYOUT_MDSTHRESH
,
666 PNFS_UPDATE_LAYOUT_NOMEM
,
667 PNFS_UPDATE_LAYOUT_BULK_RECALL
,
668 PNFS_UPDATE_LAYOUT_IO_TEST_FAIL
,
669 PNFS_UPDATE_LAYOUT_FOUND_CACHED
,
670 PNFS_UPDATE_LAYOUT_RETURN
,
671 PNFS_UPDATE_LAYOUT_RETRY
,
672 PNFS_UPDATE_LAYOUT_BLOCKED
,
673 PNFS_UPDATE_LAYOUT_INVALID_OPEN
,
674 PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET
,
675 PNFS_UPDATE_LAYOUT_EXIT
,
678 #define NFS4_OP_MAP_NUM_LONGS \
679 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long))
680 #define NFS4_OP_MAP_NUM_WORDS \
681 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32))
684 unsigned long longs
[NFS4_OP_MAP_NUM_LONGS
];
685 u32 words
[NFS4_OP_MAP_NUM_WORDS
];
689 struct nfs42_netaddr
{
690 char netid
[RPCBIND_MAXNETIDLEN
];
691 char addr
[RPCBIND_MAXUADDRLEN
+ 1];
703 enum netloc_type4 nl4_type
;
705 struct { /* NL4_NAME, NL4_URL */
707 char nl4_str
[NFS4_OPAQUE_LIMIT
+ 1];
709 struct nfs42_netaddr nl4_addr
; /* NL4_NETADDR */
713 enum nfs4_change_attr_type
{
714 NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR
= 0,
715 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER
= 1,
716 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS
= 2,
717 NFS4_CHANGE_TYPE_IS_TIME_METADATA
= 3,
718 NFS4_CHANGE_TYPE_IS_UNDEFINED
= 4,
722 * Options for setxattr. These match the flags for setxattr(2).
724 enum nfs4_setxattr_options
{
725 SETXATTR4_EITHER
= 0,
726 SETXATTR4_CREATE
= 1,
727 SETXATTR4_REPLACE
= 2,