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1/*
2 * include/linux/nfs4.h
3 *
4 * NFSv4 protocol definitions.
5 *
6 * Copyright (c) 2002 The Regents of the University of Michigan.
7 * All rights reserved.
8 *
9 * Kendrick Smith <kmsmith@umich.edu>
10 * Andy Adamson <andros@umich.edu>
11 */
12
13#ifndef _LINUX_NFS4_H
14#define _LINUX_NFS4_H
15
16#include <linux/types.h>
17
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
28
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
35
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
41
42#define NFS4_OPEN_RESULT_CONFIRM 0x0002
43#define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004
44
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
52
53/* nfs41 */
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
61
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
65
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
71
72#define NFS4_CDFS4_FORE 0x1
73#define NFS4_CDFS4_BACK 0x2
74#define NFS4_CDFS4_BOTH 0x3
75
76#define NFS4_SET_TO_SERVER_TIME 0
77#define NFS4_SET_TO_CLIENT_TIME 1
78
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
83
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
88
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
96
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
118
119#define EXCHGID4_FLAG_SUPP_MOVED_REFER 0x00000001
120#define EXCHGID4_FLAG_SUPP_MOVED_MIGR 0x00000002
121#define EXCHGID4_FLAG_BIND_PRINC_STATEID 0x00000100
122
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
127
128#define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A 0x40000000
129#define EXCHGID4_FLAG_CONFIRMED_R 0x80000000
130/*
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).
134 */
135#define EXCHGID4_FLAG_MASK_A 0x40070103
136#define EXCHGID4_FLAG_MASK_R 0x80070103
137
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
149
150#define NFS4_SECINFO_STYLE4_CURRENT_FH 0
151#define NFS4_SECINFO_STYLE4_PARENT 1
152
153#define NFS4_MAX_UINT64 (~(u64)0)
154
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.
157 */
158#define NFS4_MAX_OPS 8
159
160/* Our NFS4 client back channel server only wants the cb_sequene and the
161 * actual operation per compound
162 */
163#define NFS4_MAX_BACK_CHANNEL_OPS 2
164
165enum nfs4_acl_whotype {
166 NFS4_ACL_WHO_NAMED = 0,
167 NFS4_ACL_WHO_OWNER,
168 NFS4_ACL_WHO_GROUP,
169 NFS4_ACL_WHO_EVERYONE,
170};
171
172#ifdef __KERNEL__
173#include <linux/list.h>
174
175struct nfs4_ace {
176 uint32_t type;
177 uint32_t flag;
178 uint32_t access_mask;
179 int whotype;
180 uid_t who;
181};
182
183struct nfs4_acl {
184 uint32_t naces;
185 struct nfs4_ace aces[0];
186};
187
188typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
189
190struct nfs_stateid4 {
191 __be32 seqid;
192 char other[NFS4_STATEID_OTHER_SIZE];
193} __attribute__ ((packed));
194
195typedef struct nfs_stateid4 nfs4_stateid;
196
197enum nfs_opnum4 {
198 OP_ACCESS = 3,
199 OP_CLOSE = 4,
200 OP_COMMIT = 5,
201 OP_CREATE = 6,
202 OP_DELEGPURGE = 7,
203 OP_DELEGRETURN = 8,
204 OP_GETATTR = 9,
205 OP_GETFH = 10,
206 OP_LINK = 11,
207 OP_LOCK = 12,
208 OP_LOCKT = 13,
209 OP_LOCKU = 14,
210 OP_LOOKUP = 15,
211 OP_LOOKUPP = 16,
212 OP_NVERIFY = 17,
213 OP_OPEN = 18,
214 OP_OPENATTR = 19,
215 OP_OPEN_CONFIRM = 20,
216 OP_OPEN_DOWNGRADE = 21,
217 OP_PUTFH = 22,
218 OP_PUTPUBFH = 23,
219 OP_PUTROOTFH = 24,
220 OP_READ = 25,
221 OP_READDIR = 26,
222 OP_READLINK = 27,
223 OP_REMOVE = 28,
224 OP_RENAME = 29,
225 OP_RENEW = 30,
226 OP_RESTOREFH = 31,
227 OP_SAVEFH = 32,
228 OP_SECINFO = 33,
229 OP_SETATTR = 34,
230 OP_SETCLIENTID = 35,
231 OP_SETCLIENTID_CONFIRM = 36,
232 OP_VERIFY = 37,
233 OP_WRITE = 38,
234 OP_RELEASE_LOCKOWNER = 39,
235
236 /* nfs41 */
237 OP_BACKCHANNEL_CTL = 40,
238 OP_BIND_CONN_TO_SESSION = 41,
239 OP_EXCHANGE_ID = 42,
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,
247 OP_LAYOUTGET = 50,
248 OP_LAYOUTRETURN = 51,
249 OP_SECINFO_NO_NAME = 52,
250 OP_SEQUENCE = 53,
251 OP_SET_SSV = 54,
252 OP_TEST_STATEID = 55,
253 OP_WANT_DELEGATION = 56,
254 OP_DESTROY_CLIENTID = 57,
255 OP_RECLAIM_COMPLETE = 58,
256
257 OP_ILLEGAL = 10044,
258};
259
260/*Defining first and last NFS4 operations implemented.
261Needs to be updated if more operations are defined in future.*/
262
263#define FIRST_NFS4_OP OP_ACCESS
264#define LAST_NFS4_OP OP_RECLAIM_COMPLETE
265
266enum nfsstat4 {
267 NFS4_OK = 0,
268 NFS4ERR_PERM = 1,
269 NFS4ERR_NOENT = 2,
270 NFS4ERR_IO = 5,
271 NFS4ERR_NXIO = 6,
272 NFS4ERR_ACCESS = 13,
273 NFS4ERR_EXIST = 17,
274 NFS4ERR_XDEV = 18,
275 /* Unused/reserved 19 */
276 NFS4ERR_NOTDIR = 20,
277 NFS4ERR_ISDIR = 21,
278 NFS4ERR_INVAL = 22,
279 NFS4ERR_FBIG = 27,
280 NFS4ERR_NOSPC = 28,
281 NFS4ERR_ROFS = 30,
282 NFS4ERR_MLINK = 31,
283 NFS4ERR_NAMETOOLONG = 63,
284 NFS4ERR_NOTEMPTY = 66,
285 NFS4ERR_DQUOT = 69,
286 NFS4ERR_STALE = 70,
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,
334
335 /* nfs41 */
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 */
375};
376
377static inline bool seqid_mutating_err(u32 err)
378{
379 /* rfc 3530 section 8.1.5: */
380 switch (err) {
381 case NFS4ERR_STALE_CLIENTID:
382 case NFS4ERR_STALE_STATEID:
383 case NFS4ERR_BAD_STATEID:
384 case NFS4ERR_BAD_SEQID:
385 case NFS4ERR_BADXDR:
386 case NFS4ERR_RESOURCE:
387 case NFS4ERR_NOFILEHANDLE:
388 return false;
389 };
390 return true;
391}
392
393/*
394 * Note: NF4BAD is not actually part of the protocol; it is just used
395 * internally by nfsd.
396 */
397enum nfs_ftype4 {
398 NF4BAD = 0,
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 */
408};
409
410enum 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 */
418};
419
420enum opentype4 {
421 NFS4_OPEN_NOCREATE = 0,
422 NFS4_OPEN_CREATE = 1
423};
424
425enum createmode4 {
426 NFS4_CREATE_UNCHECKED = 0,
427 NFS4_CREATE_GUARDED = 1,
428 NFS4_CREATE_EXCLUSIVE = 2,
429 /*
430 * New to NFSv4.1. If session is persistent,
431 * GUARDED4 MUST be used. Otherwise, use
432 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
433 */
434 NFS4_CREATE_EXCLUSIVE4_1 = 3
435};
436
437enum limit_by4 {
438 NFS4_LIMIT_SIZE = 1,
439 NFS4_LIMIT_BLOCKS = 2
440};
441
442enum 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 */
447};
448
449enum why_no_delegation4 { /* new to v4.1 */
450 WND4_NOT_WANTED = 0,
451 WND4_CONTENTION = 1,
452 WND4_RESOURCE = 2,
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,
457 WND4_CANCELLED = 7,
458 WND4_IS_DIR = 8,
459};
460
461enum lock_type4 {
462 NFS4_UNLOCK_LT = 0,
463 NFS4_READ_LT = 1,
464 NFS4_WRITE_LT = 2,
465 NFS4_READW_LT = 3,
466 NFS4_WRITEW_LT = 4
467};
468
469
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)
485
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)
534
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)
540
541#define NFSPROC4_NULL 0
542#define NFSPROC4_COMPOUND 1
543#define NFS4_VERSION 4
544#define NFS4_MINOR_VERSION 0
545
546#if defined(CONFIG_NFS_V4_1)
547#define NFS4_MAX_MINOR_VERSION 1
548#else
549#define NFS4_MAX_MINOR_VERSION 0
550#endif /* CONFIG_NFS_V4_1 */
551
552#define NFS4_DEBUG 1
553
554/* Index of predefined Linux client operations */
555
556enum {
557 NFSPROC4_CLNT_NULL = 0, /* Unused */
558 NFSPROC4_CLNT_READ,
559 NFSPROC4_CLNT_WRITE,
560 NFSPROC4_CLNT_COMMIT,
561 NFSPROC4_CLNT_OPEN,
562 NFSPROC4_CLNT_OPEN_CONFIRM,
563 NFSPROC4_CLNT_OPEN_NOATTR,
564 NFSPROC4_CLNT_OPEN_DOWNGRADE,
565 NFSPROC4_CLNT_CLOSE,
566 NFSPROC4_CLNT_SETATTR,
567 NFSPROC4_CLNT_FSINFO,
568 NFSPROC4_CLNT_RENEW,
569 NFSPROC4_CLNT_SETCLIENTID,
570 NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
571 NFSPROC4_CLNT_LOCK,
572 NFSPROC4_CLNT_LOCKT,
573 NFSPROC4_CLNT_LOCKU,
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,
580 NFSPROC4_CLNT_LINK,
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,
594
595 /* nfs41 */
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,
612};
613
614/* nfs41 types */
615struct nfs4_sessionid {
616 unsigned char data[NFS4_MAX_SESSIONID_LEN];
617};
618
619/* Create Session Flags */
620#define SESSION4_PERSIST 0x001
621#define SESSION4_BACK_CHAN 0x002
622#define SESSION4_RDMA 0x004
623
624#define SESSION4_FLAG_MASK_A 0x007
625
626enum state_protect_how4 {
627 SP4_NONE = 0,
628 SP4_MACH_CRED = 1,
629 SP4_SSV = 2
630};
631
632enum pnfs_layouttype {
633 LAYOUT_NFSV4_1_FILES = 1,
634 LAYOUT_OSD2_OBJECTS = 2,
635 LAYOUT_BLOCK_VOLUME = 3,
636};
637
638/* used for both layout return and recall */
639enum pnfs_layoutreturn_type {
640 RETURN_FILE = 1,
641 RETURN_FSID = 2,
642 RETURN_ALL = 3
643};
644
645enum pnfs_iomode {
646 IOMODE_READ = 1,
647 IOMODE_RW = 2,
648 IOMODE_ANY = 3,
649};
650
651enum pnfs_notify_deviceid_type4 {
652 NOTIFY_DEVICEID4_CHANGE = 1 << 1,
653 NOTIFY_DEVICEID4_DELETE = 1 << 2,
654};
655
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
660
661/* Encoded in the loh_body field of type layouthint4 */
662enum 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
667};
668
669#define NFS4_DEVICEID4_SIZE 16
670
671struct nfs4_deviceid {
672 char data[NFS4_DEVICEID4_SIZE];
673};
674
675#endif
676#endif
677
678/*
679 * Local variables:
680 * c-basic-offset: 8
681 * End:
682 */