xref: /linux-6.15/include/linux/nfs4.h (revision 4e8cec26)
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 <[email protected]>
10  *  Andy Adamson   <[email protected]>
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_SIZE	16
21 #define NFS4_FHSIZE		128
22 #define NFS4_MAXPATHLEN		PATH_MAX
23 #define NFS4_MAXNAMLEN		NAME_MAX
24 #define NFS4_OPAQUE_LIMIT	1024
25 #define NFS4_MAX_SESSIONID_LEN	16
26 
27 #define NFS4_ACCESS_READ        0x0001
28 #define NFS4_ACCESS_LOOKUP      0x0002
29 #define NFS4_ACCESS_MODIFY      0x0004
30 #define NFS4_ACCESS_EXTEND      0x0008
31 #define NFS4_ACCESS_DELETE      0x0010
32 #define NFS4_ACCESS_EXECUTE     0x0020
33 
34 #define NFS4_FH_PERSISTENT		0x0000
35 #define NFS4_FH_NOEXPIRE_WITH_OPEN	0x0001
36 #define NFS4_FH_VOLATILE_ANY		0x0002
37 #define NFS4_FH_VOL_MIGRATION		0x0004
38 #define NFS4_FH_VOL_RENAME		0x0008
39 
40 #define NFS4_OPEN_RESULT_CONFIRM 0x0002
41 #define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004
42 
43 #define NFS4_SHARE_ACCESS_MASK	0x000F
44 #define NFS4_SHARE_ACCESS_READ	0x0001
45 #define NFS4_SHARE_ACCESS_WRITE	0x0002
46 #define NFS4_SHARE_ACCESS_BOTH	0x0003
47 #define NFS4_SHARE_DENY_READ	0x0001
48 #define NFS4_SHARE_DENY_WRITE	0x0002
49 #define NFS4_SHARE_DENY_BOTH	0x0003
50 
51 /* nfs41 */
52 #define NFS4_SHARE_WANT_MASK		0xFF00
53 #define NFS4_SHARE_WANT_NO_PREFERENCE	0x0000
54 #define NFS4_SHARE_WANT_READ_DELEG	0x0100
55 #define NFS4_SHARE_WANT_WRITE_DELEG	0x0200
56 #define NFS4_SHARE_WANT_ANY_DELEG	0x0300
57 #define NFS4_SHARE_WANT_NO_DELEG	0x0400
58 #define NFS4_SHARE_WANT_CANCEL		0x0500
59 
60 #define NFS4_SHARE_WHEN_MASK		0xF0000
61 #define NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL	0x10000
62 #define NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED		0x20000
63 
64 #define NFS4_SET_TO_SERVER_TIME	0
65 #define NFS4_SET_TO_CLIENT_TIME	1
66 
67 #define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0
68 #define NFS4_ACE_ACCESS_DENIED_ACE_TYPE  1
69 #define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE   2
70 #define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE   3
71 
72 #define ACL4_SUPPORT_ALLOW_ACL 0x01
73 #define ACL4_SUPPORT_DENY_ACL  0x02
74 #define ACL4_SUPPORT_AUDIT_ACL 0x04
75 #define ACL4_SUPPORT_ALARM_ACL 0x08
76 
77 #define NFS4_ACE_FILE_INHERIT_ACE             0x00000001
78 #define NFS4_ACE_DIRECTORY_INHERIT_ACE        0x00000002
79 #define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE     0x00000004
80 #define NFS4_ACE_INHERIT_ONLY_ACE             0x00000008
81 #define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG   0x00000010
82 #define NFS4_ACE_FAILED_ACCESS_ACE_FLAG       0x00000020
83 #define NFS4_ACE_IDENTIFIER_GROUP             0x00000040
84 
85 #define NFS4_ACE_READ_DATA                    0x00000001
86 #define NFS4_ACE_LIST_DIRECTORY               0x00000001
87 #define NFS4_ACE_WRITE_DATA                   0x00000002
88 #define NFS4_ACE_ADD_FILE                     0x00000002
89 #define NFS4_ACE_APPEND_DATA                  0x00000004
90 #define NFS4_ACE_ADD_SUBDIRECTORY             0x00000004
91 #define NFS4_ACE_READ_NAMED_ATTRS             0x00000008
92 #define NFS4_ACE_WRITE_NAMED_ATTRS            0x00000010
93 #define NFS4_ACE_EXECUTE                      0x00000020
94 #define NFS4_ACE_DELETE_CHILD                 0x00000040
95 #define NFS4_ACE_READ_ATTRIBUTES              0x00000080
96 #define NFS4_ACE_WRITE_ATTRIBUTES             0x00000100
97 #define NFS4_ACE_DELETE                       0x00010000
98 #define NFS4_ACE_READ_ACL                     0x00020000
99 #define NFS4_ACE_WRITE_ACL                    0x00040000
100 #define NFS4_ACE_WRITE_OWNER                  0x00080000
101 #define NFS4_ACE_SYNCHRONIZE                  0x00100000
102 #define NFS4_ACE_GENERIC_READ                 0x00120081
103 #define NFS4_ACE_GENERIC_WRITE                0x00160106
104 #define NFS4_ACE_GENERIC_EXECUTE              0x001200A0
105 #define NFS4_ACE_MASK_ALL                     0x001F01FF
106 
107 #define EXCHGID4_FLAG_SUPP_MOVED_REFER		0x00000001
108 #define EXCHGID4_FLAG_SUPP_MOVED_MIGR		0x00000002
109 #define EXCHGID4_FLAG_USE_NON_PNFS		0x00010000
110 #define EXCHGID4_FLAG_USE_PNFS_MDS		0x00020000
111 #define EXCHGID4_FLAG_USE_PNFS_DS		0x00040000
112 #define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A	0x40000000
113 #define EXCHGID4_FLAG_CONFIRMED_R		0x80000000
114 /*
115  * Since the validity of these bits depends on whether
116  * they're set in the argument or response, have separate
117  * invalid flag masks for arg (_A) and resp (_R).
118  */
119 #define EXCHGID4_FLAG_MASK_A			0x40070003
120 #define EXCHGID4_FLAG_MASK_R			0x80070003
121 
122 #define SEQ4_STATUS_CB_PATH_DOWN		0x00000001
123 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING	0x00000002
124 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED	0x00000004
125 #define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED	0x00000008
126 #define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED	0x00000010
127 #define SEQ4_STATUS_ADMIN_STATE_REVOKED		0x00000020
128 #define SEQ4_STATUS_RECALLABLE_STATE_REVOKED	0x00000040
129 #define SEQ4_STATUS_LEASE_MOVED			0x00000080
130 #define SEQ4_STATUS_RESTART_RECLAIM_NEEDED	0x00000100
131 #define SEQ4_STATUS_CB_PATH_DOWN_SESSION	0x00000200
132 #define SEQ4_STATUS_BACKCHANNEL_FAULT		0x00000400
133 
134 #define NFS4_MAX_UINT64	(~(u64)0)
135 
136 /* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.
137  * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly.
138  */
139 #define NFS4_MAX_OPS   8
140 
141 /* Our NFS4 client back channel server only wants the cb_sequene and the
142  * actual operation per compound
143  */
144 #define NFS4_MAX_BACK_CHANNEL_OPS 2
145 
146 enum nfs4_acl_whotype {
147 	NFS4_ACL_WHO_NAMED = 0,
148 	NFS4_ACL_WHO_OWNER,
149 	NFS4_ACL_WHO_GROUP,
150 	NFS4_ACL_WHO_EVERYONE,
151 };
152 
153 #ifdef __KERNEL__
154 #include <linux/list.h>
155 
156 struct nfs4_ace {
157 	uint32_t	type;
158 	uint32_t	flag;
159 	uint32_t	access_mask;
160 	int		whotype;
161 	uid_t		who;
162 };
163 
164 struct nfs4_acl {
165 	uint32_t	naces;
166 	struct nfs4_ace	aces[0];
167 };
168 
169 typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
170 typedef struct { char data[NFS4_STATEID_SIZE]; } nfs4_stateid;
171 
172 enum nfs_opnum4 {
173 	OP_ACCESS = 3,
174 	OP_CLOSE = 4,
175 	OP_COMMIT = 5,
176 	OP_CREATE = 6,
177 	OP_DELEGPURGE = 7,
178 	OP_DELEGRETURN = 8,
179 	OP_GETATTR = 9,
180 	OP_GETFH = 10,
181 	OP_LINK = 11,
182 	OP_LOCK = 12,
183 	OP_LOCKT = 13,
184 	OP_LOCKU = 14,
185 	OP_LOOKUP = 15,
186 	OP_LOOKUPP = 16,
187 	OP_NVERIFY = 17,
188 	OP_OPEN = 18,
189 	OP_OPENATTR = 19,
190 	OP_OPEN_CONFIRM = 20,
191 	OP_OPEN_DOWNGRADE = 21,
192 	OP_PUTFH = 22,
193 	OP_PUTPUBFH = 23,
194 	OP_PUTROOTFH = 24,
195 	OP_READ = 25,
196 	OP_READDIR = 26,
197 	OP_READLINK = 27,
198 	OP_REMOVE = 28,
199 	OP_RENAME = 29,
200 	OP_RENEW = 30,
201 	OP_RESTOREFH = 31,
202 	OP_SAVEFH = 32,
203 	OP_SECINFO = 33,
204 	OP_SETATTR = 34,
205 	OP_SETCLIENTID = 35,
206 	OP_SETCLIENTID_CONFIRM = 36,
207 	OP_VERIFY = 37,
208 	OP_WRITE = 38,
209 	OP_RELEASE_LOCKOWNER = 39,
210 
211 	/* nfs41 */
212 	OP_BACKCHANNEL_CTL = 40,
213 	OP_BIND_CONN_TO_SESSION = 41,
214 	OP_EXCHANGE_ID = 42,
215 	OP_CREATE_SESSION = 43,
216 	OP_DESTROY_SESSION = 44,
217 	OP_FREE_STATEID = 45,
218 	OP_GET_DIR_DELEGATION = 46,
219 	OP_GETDEVICEINFO = 47,
220 	OP_GETDEVICELIST = 48,
221 	OP_LAYOUTCOMMIT = 49,
222 	OP_LAYOUTGET = 50,
223 	OP_LAYOUTRETURN = 51,
224 	OP_SECINFO_NO_NAME = 52,
225 	OP_SEQUENCE = 53,
226 	OP_SET_SSV = 54,
227 	OP_TEST_STATEID = 55,
228 	OP_WANT_DELEGATION = 56,
229 	OP_DESTROY_CLIENTID = 57,
230 	OP_RECLAIM_COMPLETE = 58,
231 
232 	OP_ILLEGAL = 10044,
233 };
234 
235 /*Defining first and last NFS4 operations implemented.
236 Needs to be updated if more operations are defined in future.*/
237 
238 #define FIRST_NFS4_OP	OP_ACCESS
239 #define LAST_NFS4_OP 	OP_RECLAIM_COMPLETE
240 
241 enum nfsstat4 {
242 	NFS4_OK = 0,
243 	NFS4ERR_PERM = 1,
244 	NFS4ERR_NOENT = 2,
245 	NFS4ERR_IO = 5,
246 	NFS4ERR_NXIO = 6,
247 	NFS4ERR_ACCESS = 13,
248 	NFS4ERR_EXIST = 17,
249 	NFS4ERR_XDEV = 18,
250 	/* Unused/reserved 19 */
251 	NFS4ERR_NOTDIR = 20,
252 	NFS4ERR_ISDIR = 21,
253 	NFS4ERR_INVAL = 22,
254 	NFS4ERR_FBIG = 27,
255 	NFS4ERR_NOSPC = 28,
256 	NFS4ERR_ROFS = 30,
257 	NFS4ERR_MLINK = 31,
258 	NFS4ERR_NAMETOOLONG = 63,
259 	NFS4ERR_NOTEMPTY = 66,
260 	NFS4ERR_DQUOT = 69,
261 	NFS4ERR_STALE = 70,
262 	NFS4ERR_BADHANDLE = 10001,
263 	NFS4ERR_BAD_COOKIE = 10003,
264 	NFS4ERR_NOTSUPP = 10004,
265 	NFS4ERR_TOOSMALL = 10005,
266 	NFS4ERR_SERVERFAULT = 10006,
267 	NFS4ERR_BADTYPE = 10007,
268 	NFS4ERR_DELAY = 10008,
269 	NFS4ERR_SAME = 10009,
270 	NFS4ERR_DENIED = 10010,
271 	NFS4ERR_EXPIRED = 10011,
272 	NFS4ERR_LOCKED = 10012,
273 	NFS4ERR_GRACE = 10013,
274 	NFS4ERR_FHEXPIRED = 10014,
275 	NFS4ERR_SHARE_DENIED = 10015,
276 	NFS4ERR_WRONGSEC = 10016,
277 	NFS4ERR_CLID_INUSE = 10017,
278 	NFS4ERR_RESOURCE = 10018,
279 	NFS4ERR_MOVED = 10019,
280 	NFS4ERR_NOFILEHANDLE = 10020,
281 	NFS4ERR_MINOR_VERS_MISMATCH = 10021,
282 	NFS4ERR_STALE_CLIENTID = 10022,
283 	NFS4ERR_STALE_STATEID = 10023,
284 	NFS4ERR_OLD_STATEID = 10024,
285 	NFS4ERR_BAD_STATEID = 10025,
286 	NFS4ERR_BAD_SEQID = 10026,
287 	NFS4ERR_NOT_SAME = 10027,
288 	NFS4ERR_LOCK_RANGE = 10028,
289 	NFS4ERR_SYMLINK = 10029,
290 	NFS4ERR_RESTOREFH = 10030,
291 	NFS4ERR_LEASE_MOVED = 10031,
292 	NFS4ERR_ATTRNOTSUPP = 10032,
293 	NFS4ERR_NO_GRACE = 10033,
294 	NFS4ERR_RECLAIM_BAD = 10034,
295 	NFS4ERR_RECLAIM_CONFLICT = 10035,
296 	NFS4ERR_BADXDR = 10036,
297 	NFS4ERR_LOCKS_HELD = 10037,
298 	NFS4ERR_OPENMODE = 10038,
299 	NFS4ERR_BADOWNER = 10039,
300 	NFS4ERR_BADCHAR = 10040,
301 	NFS4ERR_BADNAME = 10041,
302 	NFS4ERR_BAD_RANGE = 10042,
303 	NFS4ERR_LOCK_NOTSUPP = 10043,
304 	NFS4ERR_OP_ILLEGAL = 10044,
305 	NFS4ERR_DEADLOCK = 10045,
306 	NFS4ERR_FILE_OPEN = 10046,
307 	NFS4ERR_ADMIN_REVOKED = 10047,
308 	NFS4ERR_CB_PATH_DOWN = 10048,
309 
310 	/* nfs41 */
311 	NFS4ERR_BADIOMODE	= 10049,
312 	NFS4ERR_BADLAYOUT	= 10050,
313 	NFS4ERR_BAD_SESSION_DIGEST = 10051,
314 	NFS4ERR_BADSESSION	= 10052,
315 	NFS4ERR_BADSLOT		= 10053,
316 	NFS4ERR_COMPLETE_ALREADY = 10054,
317 	NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055,
318 	NFS4ERR_DELEG_ALREADY_WANTED = 10056,
319 	NFS4ERR_BACK_CHAN_BUSY	= 10057,	/* backchan reqs outstanding */
320 	NFS4ERR_LAYOUTTRYLATER	= 10058,
321 	NFS4ERR_LAYOUTUNAVAILABLE = 10059,
322 	NFS4ERR_NOMATCHING_LAYOUT = 10060,
323 	NFS4ERR_RECALLCONFLICT	= 10061,
324 	NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062,
325 	NFS4ERR_SEQ_MISORDERED = 10063, 	/* unexpected seq.id in req */
326 	NFS4ERR_SEQUENCE_POS	= 10064,	/* [CB_]SEQ. op not 1st op */
327 	NFS4ERR_REQ_TOO_BIG	= 10065,	/* request too big */
328 	NFS4ERR_REP_TOO_BIG	= 10066,	/* reply too big */
329 	NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067,	/* rep. not all cached */
330 	NFS4ERR_RETRY_UNCACHED_REP = 10068,	/* retry & rep. uncached */
331 	NFS4ERR_UNSAFE_COMPOUND = 10069,	/* retry/recovery too hard */
332 	NFS4ERR_TOO_MANY_OPS	= 10070,	/* too many ops in [CB_]COMP */
333 	NFS4ERR_OP_NOT_IN_SESSION = 10071,	/* op needs [CB_]SEQ. op */
334 	NFS4ERR_HASH_ALG_UNSUPP = 10072,	/* hash alg. not supp. */
335 						/* Error 10073 is unused. */
336 	NFS4ERR_CLIENTID_BUSY	= 10074,	/* clientid has state */
337 	NFS4ERR_PNFS_IO_HOLE	= 10075,	/* IO to _SPARSE file hole */
338 	NFS4ERR_SEQ_FALSE_RETRY	= 10076,	/* retry not origional */
339 	NFS4ERR_BAD_HIGH_SLOT	= 10077,	/* sequence arg bad */
340 	NFS4ERR_DEADSESSION	= 10078,	/* persistent session dead */
341 	NFS4ERR_ENCR_ALG_UNSUPP = 10079,	/* SSV alg mismatch */
342 	NFS4ERR_PNFS_NO_LAYOUT	= 10080,	/* direct I/O with no layout */
343 	NFS4ERR_NOT_ONLY_OP	= 10081,	/* bad compound */
344 	NFS4ERR_WRONG_CRED	= 10082,	/* permissions:state change */
345 	NFS4ERR_WRONG_TYPE	= 10083,	/* current operation mismatch */
346 	NFS4ERR_DIRDELEG_UNAVAIL = 10084,	/* no directory delegation */
347 	NFS4ERR_REJECT_DELEG	= 10085,	/* on callback */
348 	NFS4ERR_RETURNCONFLICT	= 10086,	/* outstanding layoutreturn */
349 	NFS4ERR_DELEG_REVOKED	= 10087,	/* deleg./layout revoked */
350 };
351 
352 /*
353  * Note: NF4BAD is not actually part of the protocol; it is just used
354  * internally by nfsd.
355  */
356 enum nfs_ftype4 {
357 	NF4BAD		= 0,
358         NF4REG          = 1,    /* Regular File */
359         NF4DIR          = 2,    /* Directory */
360         NF4BLK          = 3,    /* Special File - block device */
361         NF4CHR          = 4,    /* Special File - character device */
362         NF4LNK          = 5,    /* Symbolic Link */
363         NF4SOCK         = 6,    /* Special File - socket */
364         NF4FIFO         = 7,    /* Special File - fifo */
365         NF4ATTRDIR      = 8,    /* Attribute Directory */
366         NF4NAMEDATTR    = 9     /* Named Attribute */
367 };
368 
369 enum open_claim_type4 {
370 	NFS4_OPEN_CLAIM_NULL = 0,
371 	NFS4_OPEN_CLAIM_PREVIOUS = 1,
372 	NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
373 	NFS4_OPEN_CLAIM_DELEGATE_PREV = 3
374 };
375 
376 enum opentype4 {
377 	NFS4_OPEN_NOCREATE = 0,
378 	NFS4_OPEN_CREATE = 1
379 };
380 
381 enum createmode4 {
382 	NFS4_CREATE_UNCHECKED = 0,
383 	NFS4_CREATE_GUARDED = 1,
384 	NFS4_CREATE_EXCLUSIVE = 2,
385 	/*
386 	 * New to NFSv4.1. If session is persistent,
387 	 * GUARDED4 MUST be used. Otherwise, use
388 	 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
389 	 */
390 	NFS4_CREATE_EXCLUSIVE4_1 = 3
391 };
392 
393 enum limit_by4 {
394 	NFS4_LIMIT_SIZE = 1,
395 	NFS4_LIMIT_BLOCKS = 2
396 };
397 
398 enum open_delegation_type4 {
399 	NFS4_OPEN_DELEGATE_NONE = 0,
400 	NFS4_OPEN_DELEGATE_READ = 1,
401 	NFS4_OPEN_DELEGATE_WRITE = 2
402 };
403 
404 enum lock_type4 {
405 	NFS4_UNLOCK_LT = 0,
406 	NFS4_READ_LT = 1,
407 	NFS4_WRITE_LT = 2,
408 	NFS4_READW_LT = 3,
409 	NFS4_WRITEW_LT = 4
410 };
411 
412 
413 /* Mandatory Attributes */
414 #define FATTR4_WORD0_SUPPORTED_ATTRS    (1UL << 0)
415 #define FATTR4_WORD0_TYPE               (1UL << 1)
416 #define FATTR4_WORD0_FH_EXPIRE_TYPE     (1UL << 2)
417 #define FATTR4_WORD0_CHANGE             (1UL << 3)
418 #define FATTR4_WORD0_SIZE               (1UL << 4)
419 #define FATTR4_WORD0_LINK_SUPPORT       (1UL << 5)
420 #define FATTR4_WORD0_SYMLINK_SUPPORT    (1UL << 6)
421 #define FATTR4_WORD0_NAMED_ATTR         (1UL << 7)
422 #define FATTR4_WORD0_FSID               (1UL << 8)
423 #define FATTR4_WORD0_UNIQUE_HANDLES     (1UL << 9)
424 #define FATTR4_WORD0_LEASE_TIME         (1UL << 10)
425 #define FATTR4_WORD0_RDATTR_ERROR       (1UL << 11)
426 /* Mandatory in NFSv4.1 */
427 #define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
428 
429 /* Recommended Attributes */
430 #define FATTR4_WORD0_ACL                (1UL << 12)
431 #define FATTR4_WORD0_ACLSUPPORT         (1UL << 13)
432 #define FATTR4_WORD0_ARCHIVE            (1UL << 14)
433 #define FATTR4_WORD0_CANSETTIME         (1UL << 15)
434 #define FATTR4_WORD0_CASE_INSENSITIVE   (1UL << 16)
435 #define FATTR4_WORD0_CASE_PRESERVING    (1UL << 17)
436 #define FATTR4_WORD0_CHOWN_RESTRICTED   (1UL << 18)
437 #define FATTR4_WORD0_FILEHANDLE         (1UL << 19)
438 #define FATTR4_WORD0_FILEID             (1UL << 20)
439 #define FATTR4_WORD0_FILES_AVAIL        (1UL << 21)
440 #define FATTR4_WORD0_FILES_FREE         (1UL << 22)
441 #define FATTR4_WORD0_FILES_TOTAL        (1UL << 23)
442 #define FATTR4_WORD0_FS_LOCATIONS       (1UL << 24)
443 #define FATTR4_WORD0_HIDDEN             (1UL << 25)
444 #define FATTR4_WORD0_HOMOGENEOUS        (1UL << 26)
445 #define FATTR4_WORD0_MAXFILESIZE        (1UL << 27)
446 #define FATTR4_WORD0_MAXLINK            (1UL << 28)
447 #define FATTR4_WORD0_MAXNAME            (1UL << 29)
448 #define FATTR4_WORD0_MAXREAD            (1UL << 30)
449 #define FATTR4_WORD0_MAXWRITE           (1UL << 31)
450 #define FATTR4_WORD1_MIMETYPE           (1UL << 0)
451 #define FATTR4_WORD1_MODE               (1UL << 1)
452 #define FATTR4_WORD1_NO_TRUNC           (1UL << 2)
453 #define FATTR4_WORD1_NUMLINKS           (1UL << 3)
454 #define FATTR4_WORD1_OWNER              (1UL << 4)
455 #define FATTR4_WORD1_OWNER_GROUP        (1UL << 5)
456 #define FATTR4_WORD1_QUOTA_HARD         (1UL << 6)
457 #define FATTR4_WORD1_QUOTA_SOFT         (1UL << 7)
458 #define FATTR4_WORD1_QUOTA_USED         (1UL << 8)
459 #define FATTR4_WORD1_RAWDEV             (1UL << 9)
460 #define FATTR4_WORD1_SPACE_AVAIL        (1UL << 10)
461 #define FATTR4_WORD1_SPACE_FREE         (1UL << 11)
462 #define FATTR4_WORD1_SPACE_TOTAL        (1UL << 12)
463 #define FATTR4_WORD1_SPACE_USED         (1UL << 13)
464 #define FATTR4_WORD1_SYSTEM             (1UL << 14)
465 #define FATTR4_WORD1_TIME_ACCESS        (1UL << 15)
466 #define FATTR4_WORD1_TIME_ACCESS_SET    (1UL << 16)
467 #define FATTR4_WORD1_TIME_BACKUP        (1UL << 17)
468 #define FATTR4_WORD1_TIME_CREATE        (1UL << 18)
469 #define FATTR4_WORD1_TIME_DELTA         (1UL << 19)
470 #define FATTR4_WORD1_TIME_METADATA      (1UL << 20)
471 #define FATTR4_WORD1_TIME_MODIFY        (1UL << 21)
472 #define FATTR4_WORD1_TIME_MODIFY_SET    (1UL << 22)
473 #define FATTR4_WORD1_MOUNTED_ON_FILEID  (1UL << 23)
474 
475 #define NFSPROC4_NULL 0
476 #define NFSPROC4_COMPOUND 1
477 #define NFS4_VERSION 4
478 #define NFS4_MINOR_VERSION 0
479 
480 #if defined(CONFIG_NFS_V4_1)
481 #define NFS4_MAX_MINOR_VERSION 1
482 #else
483 #define NFS4_MAX_MINOR_VERSION 0
484 #endif /* CONFIG_NFS_V4_1 */
485 
486 #define NFS4_DEBUG 1
487 
488 /* Index of predefined Linux client operations */
489 
490 enum {
491 	NFSPROC4_CLNT_NULL = 0,		/* Unused */
492 	NFSPROC4_CLNT_READ,
493 	NFSPROC4_CLNT_WRITE,
494 	NFSPROC4_CLNT_COMMIT,
495 	NFSPROC4_CLNT_OPEN,
496 	NFSPROC4_CLNT_OPEN_CONFIRM,
497 	NFSPROC4_CLNT_OPEN_NOATTR,
498 	NFSPROC4_CLNT_OPEN_DOWNGRADE,
499 	NFSPROC4_CLNT_CLOSE,
500 	NFSPROC4_CLNT_SETATTR,
501 	NFSPROC4_CLNT_FSINFO,
502 	NFSPROC4_CLNT_RENEW,
503 	NFSPROC4_CLNT_SETCLIENTID,
504 	NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
505 	NFSPROC4_CLNT_LOCK,
506 	NFSPROC4_CLNT_LOCKT,
507 	NFSPROC4_CLNT_LOCKU,
508 	NFSPROC4_CLNT_ACCESS,
509 	NFSPROC4_CLNT_GETATTR,
510 	NFSPROC4_CLNT_LOOKUP,
511 	NFSPROC4_CLNT_LOOKUP_ROOT,
512 	NFSPROC4_CLNT_REMOVE,
513 	NFSPROC4_CLNT_RENAME,
514 	NFSPROC4_CLNT_LINK,
515 	NFSPROC4_CLNT_SYMLINK,
516 	NFSPROC4_CLNT_CREATE,
517 	NFSPROC4_CLNT_PATHCONF,
518 	NFSPROC4_CLNT_STATFS,
519 	NFSPROC4_CLNT_READLINK,
520 	NFSPROC4_CLNT_READDIR,
521 	NFSPROC4_CLNT_SERVER_CAPS,
522 	NFSPROC4_CLNT_DELEGRETURN,
523 	NFSPROC4_CLNT_GETACL,
524 	NFSPROC4_CLNT_SETACL,
525 	NFSPROC4_CLNT_FS_LOCATIONS,
526 	NFSPROC4_CLNT_RELEASE_LOCKOWNER,
527 
528 	/* nfs41 */
529 	NFSPROC4_CLNT_EXCHANGE_ID,
530 	NFSPROC4_CLNT_CREATE_SESSION,
531 	NFSPROC4_CLNT_DESTROY_SESSION,
532 	NFSPROC4_CLNT_SEQUENCE,
533 	NFSPROC4_CLNT_GET_LEASE_TIME,
534 	NFSPROC4_CLNT_RECLAIM_COMPLETE,
535 };
536 
537 /* nfs41 types */
538 struct nfs4_sessionid {
539 	unsigned char data[NFS4_MAX_SESSIONID_LEN];
540 };
541 
542 /* Create Session Flags */
543 #define SESSION4_PERSIST	 0x001
544 #define SESSION4_BACK_CHAN 	 0x002
545 #define SESSION4_RDMA		 0x004
546 
547 enum state_protect_how4 {
548 	SP4_NONE	= 0,
549 	SP4_MACH_CRED	= 1,
550 	SP4_SSV		= 2
551 };
552 
553 #endif
554 #endif
555 
556 /*
557  * Local variables:
558  *  c-basic-offset: 8
559  * End:
560  */
561