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_SET_TO_SERVER_TIME 0
73 #define NFS4_SET_TO_CLIENT_TIME 1
75 #define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0
76 #define NFS4_ACE_ACCESS_DENIED_ACE_TYPE 1
77 #define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE 2
78 #define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE 3
80 #define ACL4_SUPPORT_ALLOW_ACL 0x01
81 #define ACL4_SUPPORT_DENY_ACL 0x02
82 #define ACL4_SUPPORT_AUDIT_ACL 0x04
83 #define ACL4_SUPPORT_ALARM_ACL 0x08
85 #define NFS4_ACE_FILE_INHERIT_ACE 0x00000001
86 #define NFS4_ACE_DIRECTORY_INHERIT_ACE 0x00000002
87 #define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE 0x00000004
88 #define NFS4_ACE_INHERIT_ONLY_ACE 0x00000008
89 #define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010
90 #define NFS4_ACE_FAILED_ACCESS_ACE_FLAG 0x00000020
91 #define NFS4_ACE_IDENTIFIER_GROUP 0x00000040
93 #define NFS4_ACE_READ_DATA 0x00000001
94 #define NFS4_ACE_LIST_DIRECTORY 0x00000001
95 #define NFS4_ACE_WRITE_DATA 0x00000002
96 #define NFS4_ACE_ADD_FILE 0x00000002
97 #define NFS4_ACE_APPEND_DATA 0x00000004
98 #define NFS4_ACE_ADD_SUBDIRECTORY 0x00000004
99 #define NFS4_ACE_READ_NAMED_ATTRS 0x00000008
100 #define NFS4_ACE_WRITE_NAMED_ATTRS 0x00000010
101 #define NFS4_ACE_EXECUTE 0x00000020
102 #define NFS4_ACE_DELETE_CHILD 0x00000040
103 #define NFS4_ACE_READ_ATTRIBUTES 0x00000080
104 #define NFS4_ACE_WRITE_ATTRIBUTES 0x00000100
105 #define NFS4_ACE_DELETE 0x00010000
106 #define NFS4_ACE_READ_ACL 0x00020000
107 #define NFS4_ACE_WRITE_ACL 0x00040000
108 #define NFS4_ACE_WRITE_OWNER 0x00080000
109 #define NFS4_ACE_SYNCHRONIZE 0x00100000
110 #define NFS4_ACE_GENERIC_READ 0x00120081
111 #define NFS4_ACE_GENERIC_WRITE 0x00160106
112 #define NFS4_ACE_GENERIC_EXECUTE 0x001200A0
113 #define NFS4_ACE_MASK_ALL 0x001F01FF
115 #define EXCHGID4_FLAG_SUPP_MOVED_REFER 0x00000001
116 #define EXCHGID4_FLAG_SUPP_MOVED_MIGR 0x00000002
117 #define EXCHGID4_FLAG_BIND_PRINC_STATEID 0x00000100
119 #define EXCHGID4_FLAG_USE_NON_PNFS 0x00010000
120 #define EXCHGID4_FLAG_USE_PNFS_MDS 0x00020000
121 #define EXCHGID4_FLAG_USE_PNFS_DS 0x00040000
122 #define EXCHGID4_FLAG_MASK_PNFS 0x00070000
124 #define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A 0x40000000
125 #define EXCHGID4_FLAG_CONFIRMED_R 0x80000000
127 * Since the validity of these bits depends on whether
128 * they're set in the argument or response, have separate
129 * invalid flag masks for arg (_A) and resp (_R).
131 #define EXCHGID4_FLAG_MASK_A 0x40070103
132 #define EXCHGID4_FLAG_MASK_R 0x80070103
134 #define SEQ4_STATUS_CB_PATH_DOWN 0x00000001
135 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING 0x00000002
136 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED 0x00000004
137 #define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED 0x00000008
138 #define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED 0x00000010
139 #define SEQ4_STATUS_ADMIN_STATE_REVOKED 0x00000020
140 #define SEQ4_STATUS_RECALLABLE_STATE_REVOKED 0x00000040
141 #define SEQ4_STATUS_LEASE_MOVED 0x00000080
142 #define SEQ4_STATUS_RESTART_RECLAIM_NEEDED 0x00000100
143 #define SEQ4_STATUS_CB_PATH_DOWN_SESSION 0x00000200
144 #define SEQ4_STATUS_BACKCHANNEL_FAULT 0x00000400
146 #define NFS4_SECINFO_STYLE4_CURRENT_FH 0
147 #define NFS4_SECINFO_STYLE4_PARENT 1
149 #define NFS4_MAX_UINT64 (~(u64)0)
151 /* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.
152 * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly.
154 #define NFS4_MAX_OPS 8
156 /* Our NFS4 client back channel server only wants the cb_sequene and the
157 * actual operation per compound
159 #define NFS4_MAX_BACK_CHANNEL_OPS 2
161 enum nfs4_acl_whotype {
162 NFS4_ACL_WHO_NAMED = 0,
165 NFS4_ACL_WHO_EVERYONE,
169 #include <linux/list.h>
174 uint32_t access_mask;
181 struct nfs4_ace aces[0];
184 typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
186 struct nfs41_stateid {
188 char other[NFS4_STATEID_OTHER_SIZE];
189 } __attribute__ ((packed));
192 char data[NFS4_STATEID_SIZE];
193 struct nfs41_stateid stateid;
214 OP_OPEN_CONFIRM = 20,
215 OP_OPEN_DOWNGRADE = 21,
230 OP_SETCLIENTID_CONFIRM = 36,
233 OP_RELEASE_LOCKOWNER = 39,
236 OP_BACKCHANNEL_CTL = 40,
237 OP_BIND_CONN_TO_SESSION = 41,
239 OP_CREATE_SESSION = 43,
240 OP_DESTROY_SESSION = 44,
241 OP_FREE_STATEID = 45,
242 OP_GET_DIR_DELEGATION = 46,
243 OP_GETDEVICEINFO = 47,
244 OP_GETDEVICELIST = 48,
245 OP_LAYOUTCOMMIT = 49,
247 OP_LAYOUTRETURN = 51,
248 OP_SECINFO_NO_NAME = 52,
251 OP_TEST_STATEID = 55,
252 OP_WANT_DELEGATION = 56,
253 OP_DESTROY_CLIENTID = 57,
254 OP_RECLAIM_COMPLETE = 58,
259 /*Defining first and last NFS4 operations implemented.
260 Needs to be updated if more operations are defined in future.*/
262 #define FIRST_NFS4_OP OP_ACCESS
263 #define LAST_NFS4_OP OP_RECLAIM_COMPLETE
274 /* Unused/reserved 19 */
282 NFS4ERR_NAMETOOLONG = 63,
283 NFS4ERR_NOTEMPTY = 66,
286 NFS4ERR_BADHANDLE = 10001,
287 NFS4ERR_BAD_COOKIE = 10003,
288 NFS4ERR_NOTSUPP = 10004,
289 NFS4ERR_TOOSMALL = 10005,
290 NFS4ERR_SERVERFAULT = 10006,
291 NFS4ERR_BADTYPE = 10007,
292 NFS4ERR_DELAY = 10008,
293 NFS4ERR_SAME = 10009,
294 NFS4ERR_DENIED = 10010,
295 NFS4ERR_EXPIRED = 10011,
296 NFS4ERR_LOCKED = 10012,
297 NFS4ERR_GRACE = 10013,
298 NFS4ERR_FHEXPIRED = 10014,
299 NFS4ERR_SHARE_DENIED = 10015,
300 NFS4ERR_WRONGSEC = 10016,
301 NFS4ERR_CLID_INUSE = 10017,
302 NFS4ERR_RESOURCE = 10018,
303 NFS4ERR_MOVED = 10019,
304 NFS4ERR_NOFILEHANDLE = 10020,
305 NFS4ERR_MINOR_VERS_MISMATCH = 10021,
306 NFS4ERR_STALE_CLIENTID = 10022,
307 NFS4ERR_STALE_STATEID = 10023,
308 NFS4ERR_OLD_STATEID = 10024,
309 NFS4ERR_BAD_STATEID = 10025,
310 NFS4ERR_BAD_SEQID = 10026,
311 NFS4ERR_NOT_SAME = 10027,
312 NFS4ERR_LOCK_RANGE = 10028,
313 NFS4ERR_SYMLINK = 10029,
314 NFS4ERR_RESTOREFH = 10030,
315 NFS4ERR_LEASE_MOVED = 10031,
316 NFS4ERR_ATTRNOTSUPP = 10032,
317 NFS4ERR_NO_GRACE = 10033,
318 NFS4ERR_RECLAIM_BAD = 10034,
319 NFS4ERR_RECLAIM_CONFLICT = 10035,
320 NFS4ERR_BADXDR = 10036,
321 NFS4ERR_LOCKS_HELD = 10037,
322 NFS4ERR_OPENMODE = 10038,
323 NFS4ERR_BADOWNER = 10039,
324 NFS4ERR_BADCHAR = 10040,
325 NFS4ERR_BADNAME = 10041,
326 NFS4ERR_BAD_RANGE = 10042,
327 NFS4ERR_LOCK_NOTSUPP = 10043,
328 NFS4ERR_OP_ILLEGAL = 10044,
329 NFS4ERR_DEADLOCK = 10045,
330 NFS4ERR_FILE_OPEN = 10046,
331 NFS4ERR_ADMIN_REVOKED = 10047,
332 NFS4ERR_CB_PATH_DOWN = 10048,
335 NFS4ERR_BADIOMODE = 10049,
336 NFS4ERR_BADLAYOUT = 10050,
337 NFS4ERR_BAD_SESSION_DIGEST = 10051,
338 NFS4ERR_BADSESSION = 10052,
339 NFS4ERR_BADSLOT = 10053,
340 NFS4ERR_COMPLETE_ALREADY = 10054,
341 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055,
342 NFS4ERR_DELEG_ALREADY_WANTED = 10056,
343 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */
344 NFS4ERR_LAYOUTTRYLATER = 10058,
345 NFS4ERR_LAYOUTUNAVAILABLE = 10059,
346 NFS4ERR_NOMATCHING_LAYOUT = 10060,
347 NFS4ERR_RECALLCONFLICT = 10061,
348 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062,
349 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */
350 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */
351 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */
352 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */
353 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */
354 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */
355 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */
356 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */
357 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */
358 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */
359 /* Error 10073 is unused. */
360 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */
361 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */
362 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */
363 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */
364 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */
365 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */
366 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */
367 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */
368 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */
369 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */
370 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */
371 NFS4ERR_REJECT_DELEG = 10085, /* on callback */
372 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */
373 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */
376 static inline bool seqid_mutating_err(u32 err)
378 /* rfc 3530 section 8.1.5: */
380 case NFS4ERR_STALE_CLIENTID:
381 case NFS4ERR_STALE_STATEID:
382 case NFS4ERR_BAD_STATEID:
383 case NFS4ERR_BAD_SEQID:
385 case NFS4ERR_RESOURCE:
386 case NFS4ERR_NOFILEHANDLE:
393 * Note: NF4BAD is not actually part of the protocol; it is just used
394 * internally by nfsd.
398 NF4REG = 1, /* Regular File */
399 NF4DIR = 2, /* Directory */
400 NF4BLK = 3, /* Special File - block device */
401 NF4CHR = 4, /* Special File - character device */
402 NF4LNK = 5, /* Symbolic Link */
403 NF4SOCK = 6, /* Special File - socket */
404 NF4FIFO = 7, /* Special File - fifo */
405 NF4ATTRDIR = 8, /* Attribute Directory */
406 NF4NAMEDATTR = 9 /* Named Attribute */
409 enum open_claim_type4 {
410 NFS4_OPEN_CLAIM_NULL = 0,
411 NFS4_OPEN_CLAIM_PREVIOUS = 1,
412 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
413 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3,
414 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */
415 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */
416 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */
420 NFS4_OPEN_NOCREATE = 0,
425 NFS4_CREATE_UNCHECKED = 0,
426 NFS4_CREATE_GUARDED = 1,
427 NFS4_CREATE_EXCLUSIVE = 2,
429 * New to NFSv4.1. If session is persistent,
430 * GUARDED4 MUST be used. Otherwise, use
431 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
433 NFS4_CREATE_EXCLUSIVE4_1 = 3
438 NFS4_LIMIT_BLOCKS = 2
441 enum open_delegation_type4 {
442 NFS4_OPEN_DELEGATE_NONE = 0,
443 NFS4_OPEN_DELEGATE_READ = 1,
444 NFS4_OPEN_DELEGATE_WRITE = 2
456 /* Mandatory Attributes */
457 #define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
458 #define FATTR4_WORD0_TYPE (1UL << 1)
459 #define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
460 #define FATTR4_WORD0_CHANGE (1UL << 3)
461 #define FATTR4_WORD0_SIZE (1UL << 4)
462 #define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
463 #define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
464 #define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
465 #define FATTR4_WORD0_FSID (1UL << 8)
466 #define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
467 #define FATTR4_WORD0_LEASE_TIME (1UL << 10)
468 #define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
469 /* Mandatory in NFSv4.1 */
470 #define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
472 /* Recommended Attributes */
473 #define FATTR4_WORD0_ACL (1UL << 12)
474 #define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
475 #define FATTR4_WORD0_ARCHIVE (1UL << 14)
476 #define FATTR4_WORD0_CANSETTIME (1UL << 15)
477 #define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
478 #define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
479 #define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
480 #define FATTR4_WORD0_FILEHANDLE (1UL << 19)
481 #define FATTR4_WORD0_FILEID (1UL << 20)
482 #define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
483 #define FATTR4_WORD0_FILES_FREE (1UL << 22)
484 #define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
485 #define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
486 #define FATTR4_WORD0_HIDDEN (1UL << 25)
487 #define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
488 #define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
489 #define FATTR4_WORD0_MAXLINK (1UL << 28)
490 #define FATTR4_WORD0_MAXNAME (1UL << 29)
491 #define FATTR4_WORD0_MAXREAD (1UL << 30)
492 #define FATTR4_WORD0_MAXWRITE (1UL << 31)
493 #define FATTR4_WORD1_MIMETYPE (1UL << 0)
494 #define FATTR4_WORD1_MODE (1UL << 1)
495 #define FATTR4_WORD1_NO_TRUNC (1UL << 2)
496 #define FATTR4_WORD1_NUMLINKS (1UL << 3)
497 #define FATTR4_WORD1_OWNER (1UL << 4)
498 #define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
499 #define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
500 #define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
501 #define FATTR4_WORD1_QUOTA_USED (1UL << 8)
502 #define FATTR4_WORD1_RAWDEV (1UL << 9)
503 #define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
504 #define FATTR4_WORD1_SPACE_FREE (1UL << 11)
505 #define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
506 #define FATTR4_WORD1_SPACE_USED (1UL << 13)
507 #define FATTR4_WORD1_SYSTEM (1UL << 14)
508 #define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
509 #define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
510 #define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
511 #define FATTR4_WORD1_TIME_CREATE (1UL << 18)
512 #define FATTR4_WORD1_TIME_DELTA (1UL << 19)
513 #define FATTR4_WORD1_TIME_METADATA (1UL << 20)
514 #define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
515 #define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
516 #define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
517 #define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
518 #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
520 #define NFSPROC4_NULL 0
521 #define NFSPROC4_COMPOUND 1
522 #define NFS4_VERSION 4
523 #define NFS4_MINOR_VERSION 0
525 #if defined(CONFIG_NFS_V4_1)
526 #define NFS4_MAX_MINOR_VERSION 1
528 #define NFS4_MAX_MINOR_VERSION 0
529 #endif /* CONFIG_NFS_V4_1 */
533 /* Index of predefined Linux client operations */
536 NFSPROC4_CLNT_NULL = 0, /* Unused */
539 NFSPROC4_CLNT_COMMIT,
541 NFSPROC4_CLNT_OPEN_CONFIRM,
542 NFSPROC4_CLNT_OPEN_NOATTR,
543 NFSPROC4_CLNT_OPEN_DOWNGRADE,
545 NFSPROC4_CLNT_SETATTR,
546 NFSPROC4_CLNT_FSINFO,
548 NFSPROC4_CLNT_SETCLIENTID,
549 NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
553 NFSPROC4_CLNT_ACCESS,
554 NFSPROC4_CLNT_GETATTR,
555 NFSPROC4_CLNT_LOOKUP,
556 NFSPROC4_CLNT_LOOKUP_ROOT,
557 NFSPROC4_CLNT_REMOVE,
558 NFSPROC4_CLNT_RENAME,
560 NFSPROC4_CLNT_SYMLINK,
561 NFSPROC4_CLNT_CREATE,
562 NFSPROC4_CLNT_PATHCONF,
563 NFSPROC4_CLNT_STATFS,
564 NFSPROC4_CLNT_READLINK,
565 NFSPROC4_CLNT_READDIR,
566 NFSPROC4_CLNT_SERVER_CAPS,
567 NFSPROC4_CLNT_DELEGRETURN,
568 NFSPROC4_CLNT_GETACL,
569 NFSPROC4_CLNT_SETACL,
570 NFSPROC4_CLNT_FS_LOCATIONS,
571 NFSPROC4_CLNT_RELEASE_LOCKOWNER,
572 NFSPROC4_CLNT_SECINFO,
575 NFSPROC4_CLNT_EXCHANGE_ID,
576 NFSPROC4_CLNT_CREATE_SESSION,
577 NFSPROC4_CLNT_DESTROY_SESSION,
578 NFSPROC4_CLNT_SEQUENCE,
579 NFSPROC4_CLNT_GET_LEASE_TIME,
580 NFSPROC4_CLNT_RECLAIM_COMPLETE,
581 NFSPROC4_CLNT_LAYOUTGET,
582 NFSPROC4_CLNT_GETDEVICEINFO,
583 NFSPROC4_CLNT_LAYOUTCOMMIT,
584 NFSPROC4_CLNT_LAYOUTRETURN,
585 NFSPROC4_CLNT_SECINFO_NO_NAME,
586 NFSPROC4_CLNT_TEST_STATEID,
587 NFSPROC4_CLNT_FREE_STATEID,
588 NFSPROC4_CLNT_GETDEVICELIST,
592 struct nfs4_sessionid {
593 unsigned char data[NFS4_MAX_SESSIONID_LEN];
596 /* Create Session Flags */
597 #define SESSION4_PERSIST 0x001
598 #define SESSION4_BACK_CHAN 0x002
599 #define SESSION4_RDMA 0x004
601 #define SESSION4_FLAG_MASK_A 0x007
603 enum state_protect_how4 {
609 enum pnfs_layouttype {
610 LAYOUT_NFSV4_1_FILES = 1,
611 LAYOUT_OSD2_OBJECTS = 2,
612 LAYOUT_BLOCK_VOLUME = 3,
615 /* used for both layout return and recall */
616 enum pnfs_layoutreturn_type {
628 enum pnfs_notify_deviceid_type4 {
629 NOTIFY_DEVICEID4_CHANGE = 1 << 1,
630 NOTIFY_DEVICEID4_DELETE = 1 << 2,
633 #define NFL4_UFLG_MASK 0x0000003F
634 #define NFL4_UFLG_DENSE 0x00000001
635 #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002
636 #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0
638 /* Encoded in the loh_body field of type layouthint4 */
639 enum filelayout_hint_care4 {
640 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE,
641 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS,
642 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040,
643 NFLH4_CARE_STRIPE_COUNT = 0x00000080
646 #define NFS4_DEVICEID4_SIZE 16
648 struct nfs4_deviceid {
649 char data[NFS4_DEVICEID4_SIZE];