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 (RFC8276) */
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 /* error codes for internal client use */
296 #define NFS4ERR_RESET_TO_MDS 12001
297 #define NFS4ERR_RESET_TO_PNFS 12002
299 static inline bool seqid_mutating_err(u32 err)
301 /* See RFC 7530, section 9.1.7 */
303 case NFS4ERR_STALE_CLIENTID:
304 case NFS4ERR_STALE_STATEID:
305 case NFS4ERR_BAD_STATEID:
306 case NFS4ERR_BAD_SEQID:
308 case NFS4ERR_RESOURCE:
309 case NFS4ERR_NOFILEHANDLE:
317 * Note: NF4BAD is not actually part of the protocol; it is just used
318 * internally by nfsd.
322 NF4REG = 1, /* Regular File */
323 NF4DIR = 2, /* Directory */
324 NF4BLK = 3, /* Special File - block device */
325 NF4CHR = 4, /* Special File - character device */
326 NF4LNK = 5, /* Symbolic Link */
327 NF4SOCK = 6, /* Special File - socket */
328 NF4FIFO = 7, /* Special File - fifo */
329 NF4ATTRDIR = 8, /* Attribute Directory */
330 NF4NAMEDATTR = 9 /* Named Attribute */
333 enum open_claim_type4 {
334 NFS4_OPEN_CLAIM_NULL = 0,
335 NFS4_OPEN_CLAIM_PREVIOUS = 1,
336 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
337 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3,
338 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */
339 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */
340 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */
344 NFS4_OPEN_NOCREATE = 0,
349 NFS4_CREATE_UNCHECKED = 0,
350 NFS4_CREATE_GUARDED = 1,
351 NFS4_CREATE_EXCLUSIVE = 2,
353 * New to NFSv4.1. If session is persistent,
354 * GUARDED4 MUST be used. Otherwise, use
355 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
357 NFS4_CREATE_EXCLUSIVE4_1 = 3
362 NFS4_LIMIT_BLOCKS = 2
365 enum open_delegation_type4 {
366 NFS4_OPEN_DELEGATE_NONE = 0,
367 NFS4_OPEN_DELEGATE_READ = 1,
368 NFS4_OPEN_DELEGATE_WRITE = 2,
369 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */
372 enum why_no_delegation4 { /* new to v4.1 */
376 WND4_NOT_SUPP_FTYPE = 3,
377 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4,
378 WND4_NOT_SUPP_UPGRADE = 5,
379 WND4_NOT_SUPP_DOWNGRADE = 6,
393 * Symbol names and values are from RFC 7531 Section 2.
394 * "XDR Description of NFSv4.0"
397 FATTR4_SUPPORTED_ATTRS = 0,
399 FATTR4_FH_EXPIRE_TYPE = 2,
402 FATTR4_LINK_SUPPORT = 5,
403 FATTR4_SYMLINK_SUPPORT = 6,
404 FATTR4_NAMED_ATTR = 7,
406 FATTR4_UNIQUE_HANDLES = 9,
407 FATTR4_LEASE_TIME = 10,
408 FATTR4_RDATTR_ERROR = 11,
410 FATTR4_ACLSUPPORT = 13,
412 FATTR4_CANSETTIME = 15,
413 FATTR4_CASE_INSENSITIVE = 16,
414 FATTR4_CASE_PRESERVING = 17,
415 FATTR4_CHOWN_RESTRICTED = 18,
416 FATTR4_FILEHANDLE = 19,
418 FATTR4_FILES_AVAIL = 21,
419 FATTR4_FILES_FREE = 22,
420 FATTR4_FILES_TOTAL = 23,
421 FATTR4_FS_LOCATIONS = 24,
423 FATTR4_HOMOGENEOUS = 26,
424 FATTR4_MAXFILESIZE = 27,
428 FATTR4_MAXWRITE = 31,
429 FATTR4_MIMETYPE = 32,
431 FATTR4_NO_TRUNC = 34,
432 FATTR4_NUMLINKS = 35,
434 FATTR4_OWNER_GROUP = 37,
435 FATTR4_QUOTA_AVAIL_HARD = 38,
436 FATTR4_QUOTA_AVAIL_SOFT = 39,
437 FATTR4_QUOTA_USED = 40,
439 FATTR4_SPACE_AVAIL = 42,
440 FATTR4_SPACE_FREE = 43,
441 FATTR4_SPACE_TOTAL = 44,
442 FATTR4_SPACE_USED = 45,
444 FATTR4_TIME_ACCESS = 47,
445 FATTR4_TIME_ACCESS_SET = 48,
446 FATTR4_TIME_BACKUP = 49,
447 FATTR4_TIME_CREATE = 50,
448 FATTR4_TIME_DELTA = 51,
449 FATTR4_TIME_METADATA = 52,
450 FATTR4_TIME_MODIFY = 53,
451 FATTR4_TIME_MODIFY_SET = 54,
452 FATTR4_MOUNTED_ON_FILEID = 55,
456 * Symbol names and values are from RFC 5662 Section 2.
457 * "XDR Description of NFSv4.1"
460 FATTR4_DIR_NOTIF_DELAY = 56,
461 FATTR4_DIRENT_NOTIF_DELAY = 57,
464 FATTR4_CHANGE_POLICY = 60,
465 FATTR4_FS_STATUS = 61,
466 FATTR4_FS_LAYOUT_TYPES = 62,
467 FATTR4_LAYOUT_HINT = 63,
468 FATTR4_LAYOUT_TYPES = 64,
469 FATTR4_LAYOUT_BLKSIZE = 65,
470 FATTR4_LAYOUT_ALIGNMENT = 66,
471 FATTR4_FS_LOCATIONS_INFO = 67,
472 FATTR4_MDSTHRESHOLD = 68,
473 FATTR4_RETENTION_GET = 69,
474 FATTR4_RETENTION_SET = 70,
475 FATTR4_RETENTEVT_GET = 71,
476 FATTR4_RETENTEVT_SET = 72,
477 FATTR4_RETENTION_HOLD = 73,
478 FATTR4_MODE_SET_MASKED = 74,
479 FATTR4_SUPPATTR_EXCLCREAT = 75,
480 FATTR4_FS_CHARSET_CAP = 76,
484 * Symbol names and values are from RFC 7863 Section 2.
485 * "XDR Description of NFSv4.2"
488 FATTR4_CLONE_BLKSIZE = 77,
489 FATTR4_SPACE_FREED = 78,
490 FATTR4_CHANGE_ATTR_TYPE = 79,
491 FATTR4_SEC_LABEL = 80,
495 * Symbol names and values are from RFC 8275 Section 5.
496 * "The mode_umask Attribute"
499 FATTR4_MODE_UMASK = 81,
503 * Symbol names and values are from RFC 8276 Section 8.6.
504 * "Numeric Values Assigned to Protocol Extensions"
507 FATTR4_XATTR_SUPPORT = 82,
511 * The following internal definitions enable processing the above
512 * attribute bits within 32-bit word boundaries.
515 /* Mandatory Attributes */
516 #define FATTR4_WORD0_SUPPORTED_ATTRS BIT(FATTR4_SUPPORTED_ATTRS)
517 #define FATTR4_WORD0_TYPE BIT(FATTR4_TYPE)
518 #define FATTR4_WORD0_FH_EXPIRE_TYPE BIT(FATTR4_FH_EXPIRE_TYPE)
519 #define FATTR4_WORD0_CHANGE BIT(FATTR4_CHANGE)
520 #define FATTR4_WORD0_SIZE BIT(FATTR4_SIZE)
521 #define FATTR4_WORD0_LINK_SUPPORT BIT(FATTR4_LINK_SUPPORT)
522 #define FATTR4_WORD0_SYMLINK_SUPPORT BIT(FATTR4_SYMLINK_SUPPORT)
523 #define FATTR4_WORD0_NAMED_ATTR BIT(FATTR4_NAMED_ATTR)
524 #define FATTR4_WORD0_FSID BIT(FATTR4_FSID)
525 #define FATTR4_WORD0_UNIQUE_HANDLES BIT(FATTR4_UNIQUE_HANDLES)
526 #define FATTR4_WORD0_LEASE_TIME BIT(FATTR4_LEASE_TIME)
527 #define FATTR4_WORD0_RDATTR_ERROR BIT(FATTR4_RDATTR_ERROR)
528 /* Mandatory in NFSv4.1 */
529 #define FATTR4_WORD2_SUPPATTR_EXCLCREAT BIT(FATTR4_SUPPATTR_EXCLCREAT - 64)
531 /* Recommended Attributes */
532 #define FATTR4_WORD0_ACL BIT(FATTR4_ACL)
533 #define FATTR4_WORD0_ACLSUPPORT BIT(FATTR4_ACLSUPPORT)
534 #define FATTR4_WORD0_ARCHIVE BIT(FATTR4_ARCHIVE)
535 #define FATTR4_WORD0_CANSETTIME BIT(FATTR4_CANSETTIME)
536 #define FATTR4_WORD0_CASE_INSENSITIVE BIT(FATTR4_CASE_INSENSITIVE)
537 #define FATTR4_WORD0_CASE_PRESERVING BIT(FATTR4_CASE_PRESERVING)
538 #define FATTR4_WORD0_CHOWN_RESTRICTED BIT(FATTR4_CHOWN_RESTRICTED)
539 #define FATTR4_WORD0_FILEHANDLE BIT(FATTR4_FILEHANDLE)
540 #define FATTR4_WORD0_FILEID BIT(FATTR4_FILEID)
541 #define FATTR4_WORD0_FILES_AVAIL BIT(FATTR4_FILES_AVAIL)
542 #define FATTR4_WORD0_FILES_FREE BIT(FATTR4_FILES_FREE)
543 #define FATTR4_WORD0_FILES_TOTAL BIT(FATTR4_FILES_TOTAL)
544 #define FATTR4_WORD0_FS_LOCATIONS BIT(FATTR4_FS_LOCATIONS)
545 #define FATTR4_WORD0_HIDDEN BIT(FATTR4_HIDDEN)
546 #define FATTR4_WORD0_HOMOGENEOUS BIT(FATTR4_HOMOGENEOUS)
547 #define FATTR4_WORD0_MAXFILESIZE BIT(FATTR4_MAXFILESIZE)
548 #define FATTR4_WORD0_MAXLINK BIT(FATTR4_MAXLINK)
549 #define FATTR4_WORD0_MAXNAME BIT(FATTR4_MAXNAME)
550 #define FATTR4_WORD0_MAXREAD BIT(FATTR4_MAXREAD)
551 #define FATTR4_WORD0_MAXWRITE BIT(FATTR4_MAXWRITE)
553 #define FATTR4_WORD1_MIMETYPE BIT(FATTR4_MIMETYPE - 32)
554 #define FATTR4_WORD1_MODE BIT(FATTR4_MODE - 32)
555 #define FATTR4_WORD1_NO_TRUNC BIT(FATTR4_NO_TRUNC - 32)
556 #define FATTR4_WORD1_NUMLINKS BIT(FATTR4_NUMLINKS - 32)
557 #define FATTR4_WORD1_OWNER BIT(FATTR4_OWNER - 32)
558 #define FATTR4_WORD1_OWNER_GROUP BIT(FATTR4_OWNER_GROUP - 32)
559 #define FATTR4_WORD1_QUOTA_HARD BIT(FATTR4_QUOTA_AVAIL_HARD - 32)
560 #define FATTR4_WORD1_QUOTA_SOFT BIT(FATTR4_QUOTA_AVAIL_SOFT - 32)
561 #define FATTR4_WORD1_QUOTA_USED BIT(FATTR4_QUOTA_USED - 32)
562 #define FATTR4_WORD1_RAWDEV BIT(FATTR4_RAWDEV - 32)
563 #define FATTR4_WORD1_SPACE_AVAIL BIT(FATTR4_SPACE_AVAIL - 32)
564 #define FATTR4_WORD1_SPACE_FREE BIT(FATTR4_SPACE_FREE - 32)
565 #define FATTR4_WORD1_SPACE_TOTAL BIT(FATTR4_SPACE_TOTAL - 32)
566 #define FATTR4_WORD1_SPACE_USED BIT(FATTR4_SPACE_USED - 32)
567 #define FATTR4_WORD1_SYSTEM BIT(FATTR4_SYSTEM - 32)
568 #define FATTR4_WORD1_TIME_ACCESS BIT(FATTR4_TIME_ACCESS - 32)
569 #define FATTR4_WORD1_TIME_ACCESS_SET BIT(FATTR4_TIME_ACCESS_SET - 32)
570 #define FATTR4_WORD1_TIME_BACKUP BIT(FATTR4_TIME_BACKUP - 32)
571 #define FATTR4_WORD1_TIME_CREATE BIT(FATTR4_TIME_CREATE - 32)
572 #define FATTR4_WORD1_TIME_DELTA BIT(FATTR4_TIME_DELTA - 32)
573 #define FATTR4_WORD1_TIME_METADATA BIT(FATTR4_TIME_METADATA - 32)
574 #define FATTR4_WORD1_TIME_MODIFY BIT(FATTR4_TIME_MODIFY - 32)
575 #define FATTR4_WORD1_TIME_MODIFY_SET BIT(FATTR4_TIME_MODIFY_SET - 32)
576 #define FATTR4_WORD1_MOUNTED_ON_FILEID BIT(FATTR4_MOUNTED_ON_FILEID - 32)
577 #define FATTR4_WORD1_DACL BIT(FATTR4_DACL - 32)
578 #define FATTR4_WORD1_SACL BIT(FATTR4_SACL - 32)
579 #define FATTR4_WORD1_FS_LAYOUT_TYPES BIT(FATTR4_FS_LAYOUT_TYPES - 32)
581 #define FATTR4_WORD2_LAYOUT_TYPES BIT(FATTR4_LAYOUT_TYPES - 64)
582 #define FATTR4_WORD2_LAYOUT_BLKSIZE BIT(FATTR4_LAYOUT_BLKSIZE - 64)
583 #define FATTR4_WORD2_MDSTHRESHOLD BIT(FATTR4_MDSTHRESHOLD - 64)
584 #define FATTR4_WORD2_CLONE_BLKSIZE BIT(FATTR4_CLONE_BLKSIZE - 64)
585 #define FATTR4_WORD2_CHANGE_ATTR_TYPE BIT(FATTR4_CHANGE_ATTR_TYPE - 64)
586 #define FATTR4_WORD2_SECURITY_LABEL BIT(FATTR4_SEC_LABEL - 64)
587 #define FATTR4_WORD2_MODE_UMASK BIT(FATTR4_MODE_UMASK - 64)
588 #define FATTR4_WORD2_XATTR_SUPPORT BIT(FATTR4_XATTR_SUPPORT - 64)
590 /* MDS threshold bitmap bits */
591 #define THRESHOLD_RD (1UL << 0)
592 #define THRESHOLD_WR (1UL << 1)
593 #define THRESHOLD_RD_IO (1UL << 2)
594 #define THRESHOLD_WR_IO (1UL << 3)
596 #define NFSPROC4_NULL 0
597 #define NFSPROC4_COMPOUND 1
598 #define NFS4_VERSION 4
599 #define NFS4_MINOR_VERSION 0
604 * Index of predefined Linux client operations
606 * To ensure that /proc/net/rpc/nfs remains correctly ordered, please
607 * append only to this enum when adding new client operations.
611 NFSPROC4_CLNT_NULL = 0, /* Unused */
614 NFSPROC4_CLNT_COMMIT,
616 NFSPROC4_CLNT_OPEN_CONFIRM,
617 NFSPROC4_CLNT_OPEN_NOATTR,
618 NFSPROC4_CLNT_OPEN_DOWNGRADE,
620 NFSPROC4_CLNT_SETATTR,
621 NFSPROC4_CLNT_FSINFO,
623 NFSPROC4_CLNT_SETCLIENTID,
624 NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
628 NFSPROC4_CLNT_ACCESS,
629 NFSPROC4_CLNT_GETATTR,
630 NFSPROC4_CLNT_LOOKUP,
631 NFSPROC4_CLNT_LOOKUP_ROOT,
632 NFSPROC4_CLNT_REMOVE,
633 NFSPROC4_CLNT_RENAME,
635 NFSPROC4_CLNT_SYMLINK,
636 NFSPROC4_CLNT_CREATE,
637 NFSPROC4_CLNT_PATHCONF,
638 NFSPROC4_CLNT_STATFS,
639 NFSPROC4_CLNT_READLINK,
640 NFSPROC4_CLNT_READDIR,
641 NFSPROC4_CLNT_SERVER_CAPS,
642 NFSPROC4_CLNT_DELEGRETURN,
643 NFSPROC4_CLNT_GETACL,
644 NFSPROC4_CLNT_SETACL,
645 NFSPROC4_CLNT_FS_LOCATIONS,
646 NFSPROC4_CLNT_RELEASE_LOCKOWNER,
647 NFSPROC4_CLNT_SECINFO,
648 NFSPROC4_CLNT_FSID_PRESENT,
650 NFSPROC4_CLNT_EXCHANGE_ID,
651 NFSPROC4_CLNT_CREATE_SESSION,
652 NFSPROC4_CLNT_DESTROY_SESSION,
653 NFSPROC4_CLNT_SEQUENCE,
654 NFSPROC4_CLNT_GET_LEASE_TIME,
655 NFSPROC4_CLNT_RECLAIM_COMPLETE,
656 NFSPROC4_CLNT_LAYOUTGET,
657 NFSPROC4_CLNT_GETDEVICEINFO,
658 NFSPROC4_CLNT_LAYOUTCOMMIT,
659 NFSPROC4_CLNT_LAYOUTRETURN,
660 NFSPROC4_CLNT_SECINFO_NO_NAME,
661 NFSPROC4_CLNT_TEST_STATEID,
662 NFSPROC4_CLNT_FREE_STATEID,
663 NFSPROC4_CLNT_GETDEVICELIST,
664 NFSPROC4_CLNT_BIND_CONN_TO_SESSION,
665 NFSPROC4_CLNT_DESTROY_CLIENTID,
668 NFSPROC4_CLNT_ALLOCATE,
669 NFSPROC4_CLNT_DEALLOCATE,
670 NFSPROC4_CLNT_LAYOUTSTATS,
673 NFSPROC4_CLNT_OFFLOAD_CANCEL,
675 NFSPROC4_CLNT_LOOKUPP,
676 NFSPROC4_CLNT_LAYOUTERROR,
677 NFSPROC4_CLNT_COPY_NOTIFY,
679 NFSPROC4_CLNT_GETXATTR,
680 NFSPROC4_CLNT_SETXATTR,
681 NFSPROC4_CLNT_LISTXATTRS,
682 NFSPROC4_CLNT_REMOVEXATTR,
683 NFSPROC4_CLNT_READ_PLUS,
687 struct nfs4_sessionid {
688 unsigned char data[NFS4_MAX_SESSIONID_LEN];
691 /* Create Session Flags */
692 #define SESSION4_PERSIST 0x001
693 #define SESSION4_BACK_CHAN 0x002
694 #define SESSION4_RDMA 0x004
696 #define SESSION4_FLAG_MASK_A 0x007
698 enum state_protect_how4 {
704 enum pnfs_layouttype {
705 LAYOUT_NFSV4_1_FILES = 1,
706 LAYOUT_OSD2_OBJECTS = 2,
707 LAYOUT_BLOCK_VOLUME = 3,
708 LAYOUT_FLEX_FILES = 4,
713 /* used for both layout return and recall */
714 enum pnfs_layoutreturn_type {
726 enum pnfs_notify_deviceid_type4 {
727 NOTIFY_DEVICEID4_CHANGE = 1 << 1,
728 NOTIFY_DEVICEID4_DELETE = 1 << 2,
731 enum pnfs_block_volume_type {
732 PNFS_BLOCK_VOLUME_SIMPLE = 0,
733 PNFS_BLOCK_VOLUME_SLICE = 1,
734 PNFS_BLOCK_VOLUME_CONCAT = 2,
735 PNFS_BLOCK_VOLUME_STRIPE = 3,
736 PNFS_BLOCK_VOLUME_SCSI = 4,
739 enum pnfs_block_extent_state {
740 PNFS_BLOCK_READWRITE_DATA = 0,
741 PNFS_BLOCK_READ_DATA = 1,
742 PNFS_BLOCK_INVALID_DATA = 2,
743 PNFS_BLOCK_NONE_DATA = 3,
746 /* on the wire size of a block layout extent */
747 #define PNFS_BLOCK_EXTENT_SIZE \
748 (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE)
750 /* on the wire size of a scsi commit range */
751 #define PNFS_SCSI_RANGE_SIZE \
755 PS_CODE_SET_BINARY = 1,
756 PS_CODE_SET_ASCII = 2,
760 enum scsi_designator_type {
761 PS_DESIGNATOR_T10 = 1,
762 PS_DESIGNATOR_EUI64 = 2,
763 PS_DESIGNATOR_NAA = 3,
764 PS_DESIGNATOR_NAME = 8
767 #define NFL4_UFLG_MASK 0x0000003F
768 #define NFL4_UFLG_DENSE 0x00000001
769 #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002
770 #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0
772 /* Encoded in the loh_body field of type layouthint4 */
773 enum filelayout_hint_care4 {
774 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE,
775 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS,
776 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040,
777 NFLH4_CARE_STRIPE_COUNT = 0x00000080
780 #define NFS4_DEVICEID4_SIZE 16
782 struct nfs4_deviceid {
783 char data[NFS4_DEVICEID4_SIZE];
787 NFS4_CONTENT_DATA = 0,
788 NFS4_CONTENT_HOLE = 1,
791 enum pnfs_update_layout_reason {
792 PNFS_UPDATE_LAYOUT_UNKNOWN = 0,
793 PNFS_UPDATE_LAYOUT_NO_PNFS,
794 PNFS_UPDATE_LAYOUT_RD_ZEROLEN,
795 PNFS_UPDATE_LAYOUT_MDSTHRESH,
796 PNFS_UPDATE_LAYOUT_NOMEM,
797 PNFS_UPDATE_LAYOUT_BULK_RECALL,
798 PNFS_UPDATE_LAYOUT_IO_TEST_FAIL,
799 PNFS_UPDATE_LAYOUT_FOUND_CACHED,
800 PNFS_UPDATE_LAYOUT_RETURN,
801 PNFS_UPDATE_LAYOUT_RETRY,
802 PNFS_UPDATE_LAYOUT_BLOCKED,
803 PNFS_UPDATE_LAYOUT_INVALID_OPEN,
804 PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET,
805 PNFS_UPDATE_LAYOUT_EXIT,
808 #define NFS4_OP_MAP_NUM_LONGS \
809 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long))
810 #define NFS4_OP_MAP_NUM_WORDS \
811 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32))
814 unsigned long longs[NFS4_OP_MAP_NUM_LONGS];
815 u32 words[NFS4_OP_MAP_NUM_WORDS];
819 struct nfs42_netaddr {
820 char netid[RPCBIND_MAXNETIDLEN];
821 char addr[RPCBIND_MAXUADDRLEN + 1];
833 enum netloc_type4 nl4_type;
835 struct { /* NL4_NAME, NL4_URL */
837 char nl4_str[NFS4_OPAQUE_LIMIT + 1];
839 struct nfs42_netaddr nl4_addr; /* NL4_NETADDR */
843 enum nfs4_change_attr_type {
844 NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR = 0,
845 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER = 1,
846 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS = 2,
847 NFS4_CHANGE_TYPE_IS_TIME_METADATA = 3,
848 NFS4_CHANGE_TYPE_IS_UNDEFINED = 4,
852 * Options for setxattr. These match the flags for setxattr(2).
854 enum nfs4_setxattr_options {
855 SETXATTR4_EITHER = 0,
856 SETXATTR4_CREATE = 1,
857 SETXATTR4_REPLACE = 2,
861 RCA4_TYPE_MASK_RDATA_DLG = 0,
862 RCA4_TYPE_MASK_WDATA_DLG = 1,
863 RCA4_TYPE_MASK_DIR_DLG = 2,
864 RCA4_TYPE_MASK_FILE_LAYOUT = 3,
865 RCA4_TYPE_MASK_BLK_LAYOUT = 4,
866 RCA4_TYPE_MASK_OBJ_LAYOUT_MIN = 8,
867 RCA4_TYPE_MASK_OBJ_LAYOUT_MAX = 9,
868 RCA4_TYPE_MASK_OTHER_LAYOUT_MIN = 12,
869 RCA4_TYPE_MASK_OTHER_LAYOUT_MAX = 15,