tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
69#define NFS4_SET_TO_SERVER_TIME 0
70#define NFS4_SET_TO_CLIENT_TIME 1
71
72#define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0
73#define NFS4_ACE_ACCESS_DENIED_ACE_TYPE 1
74#define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE 2
75#define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE 3
76
77#define ACL4_SUPPORT_ALLOW_ACL 0x01
78#define ACL4_SUPPORT_DENY_ACL 0x02
79#define ACL4_SUPPORT_AUDIT_ACL 0x04
80#define ACL4_SUPPORT_ALARM_ACL 0x08
81
82#define NFS4_ACE_FILE_INHERIT_ACE 0x00000001
83#define NFS4_ACE_DIRECTORY_INHERIT_ACE 0x00000002
84#define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE 0x00000004
85#define NFS4_ACE_INHERIT_ONLY_ACE 0x00000008
86#define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010
87#define NFS4_ACE_FAILED_ACCESS_ACE_FLAG 0x00000020
88#define NFS4_ACE_IDENTIFIER_GROUP 0x00000040
89
90#define NFS4_ACE_READ_DATA 0x00000001
91#define NFS4_ACE_LIST_DIRECTORY 0x00000001
92#define NFS4_ACE_WRITE_DATA 0x00000002
93#define NFS4_ACE_ADD_FILE 0x00000002
94#define NFS4_ACE_APPEND_DATA 0x00000004
95#define NFS4_ACE_ADD_SUBDIRECTORY 0x00000004
96#define NFS4_ACE_READ_NAMED_ATTRS 0x00000008
97#define NFS4_ACE_WRITE_NAMED_ATTRS 0x00000010
98#define NFS4_ACE_EXECUTE 0x00000020
99#define NFS4_ACE_DELETE_CHILD 0x00000040
100#define NFS4_ACE_READ_ATTRIBUTES 0x00000080
101#define NFS4_ACE_WRITE_ATTRIBUTES 0x00000100
102#define NFS4_ACE_DELETE 0x00010000
103#define NFS4_ACE_READ_ACL 0x00020000
104#define NFS4_ACE_WRITE_ACL 0x00040000
105#define NFS4_ACE_WRITE_OWNER 0x00080000
106#define NFS4_ACE_SYNCHRONIZE 0x00100000
107#define NFS4_ACE_GENERIC_READ 0x00120081
108#define NFS4_ACE_GENERIC_WRITE 0x00160106
109#define NFS4_ACE_GENERIC_EXECUTE 0x001200A0
110#define NFS4_ACE_MASK_ALL 0x001F01FF
111
112#define EXCHGID4_FLAG_SUPP_MOVED_REFER 0x00000001
113#define EXCHGID4_FLAG_SUPP_MOVED_MIGR 0x00000002
114#define EXCHGID4_FLAG_USE_NON_PNFS 0x00010000
115#define EXCHGID4_FLAG_USE_PNFS_MDS 0x00020000
116#define EXCHGID4_FLAG_USE_PNFS_DS 0x00040000
117#define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A 0x40000000
118#define EXCHGID4_FLAG_CONFIRMED_R 0x80000000
119/*
120 * Since the validity of these bits depends on whether
121 * they're set in the argument or response, have separate
122 * invalid flag masks for arg (_A) and resp (_R).
123 */
124#define EXCHGID4_FLAG_MASK_A 0x40070003
125#define EXCHGID4_FLAG_MASK_R 0x80070003
126
127#define SEQ4_STATUS_CB_PATH_DOWN 0x00000001
128#define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING 0x00000002
129#define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED 0x00000004
130#define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED 0x00000008
131#define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED 0x00000010
132#define SEQ4_STATUS_ADMIN_STATE_REVOKED 0x00000020
133#define SEQ4_STATUS_RECALLABLE_STATE_REVOKED 0x00000040
134#define SEQ4_STATUS_LEASE_MOVED 0x00000080
135#define SEQ4_STATUS_RESTART_RECLAIM_NEEDED 0x00000100
136#define SEQ4_STATUS_CB_PATH_DOWN_SESSION 0x00000200
137#define SEQ4_STATUS_BACKCHANNEL_FAULT 0x00000400
138
139#define NFS4_MAX_UINT64 (~(u64)0)
140
141/* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.
142 * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly.
143 */
144#define NFS4_MAX_OPS 8
145
146/* Our NFS4 client back channel server only wants the cb_sequene and the
147 * actual operation per compound
148 */
149#define NFS4_MAX_BACK_CHANNEL_OPS 2
150
151enum nfs4_acl_whotype {
152 NFS4_ACL_WHO_NAMED = 0,
153 NFS4_ACL_WHO_OWNER,
154 NFS4_ACL_WHO_GROUP,
155 NFS4_ACL_WHO_EVERYONE,
156};
157
158#ifdef __KERNEL__
159#include <linux/list.h>
160
161struct nfs4_ace {
162 uint32_t type;
163 uint32_t flag;
164 uint32_t access_mask;
165 int whotype;
166 uid_t who;
167};
168
169struct nfs4_acl {
170 uint32_t naces;
171 struct nfs4_ace aces[0];
172};
173
174typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
175
176struct nfs41_stateid {
177 __be32 seqid;
178 char other[NFS4_STATEID_OTHER_SIZE];
179} __attribute__ ((packed));
180
181typedef union {
182 char data[NFS4_STATEID_SIZE];
183 struct nfs41_stateid stateid;
184} nfs4_stateid;
185
186enum nfs_opnum4 {
187 OP_ACCESS = 3,
188 OP_CLOSE = 4,
189 OP_COMMIT = 5,
190 OP_CREATE = 6,
191 OP_DELEGPURGE = 7,
192 OP_DELEGRETURN = 8,
193 OP_GETATTR = 9,
194 OP_GETFH = 10,
195 OP_LINK = 11,
196 OP_LOCK = 12,
197 OP_LOCKT = 13,
198 OP_LOCKU = 14,
199 OP_LOOKUP = 15,
200 OP_LOOKUPP = 16,
201 OP_NVERIFY = 17,
202 OP_OPEN = 18,
203 OP_OPENATTR = 19,
204 OP_OPEN_CONFIRM = 20,
205 OP_OPEN_DOWNGRADE = 21,
206 OP_PUTFH = 22,
207 OP_PUTPUBFH = 23,
208 OP_PUTROOTFH = 24,
209 OP_READ = 25,
210 OP_READDIR = 26,
211 OP_READLINK = 27,
212 OP_REMOVE = 28,
213 OP_RENAME = 29,
214 OP_RENEW = 30,
215 OP_RESTOREFH = 31,
216 OP_SAVEFH = 32,
217 OP_SECINFO = 33,
218 OP_SETATTR = 34,
219 OP_SETCLIENTID = 35,
220 OP_SETCLIENTID_CONFIRM = 36,
221 OP_VERIFY = 37,
222 OP_WRITE = 38,
223 OP_RELEASE_LOCKOWNER = 39,
224
225 /* nfs41 */
226 OP_BACKCHANNEL_CTL = 40,
227 OP_BIND_CONN_TO_SESSION = 41,
228 OP_EXCHANGE_ID = 42,
229 OP_CREATE_SESSION = 43,
230 OP_DESTROY_SESSION = 44,
231 OP_FREE_STATEID = 45,
232 OP_GET_DIR_DELEGATION = 46,
233 OP_GETDEVICEINFO = 47,
234 OP_GETDEVICELIST = 48,
235 OP_LAYOUTCOMMIT = 49,
236 OP_LAYOUTGET = 50,
237 OP_LAYOUTRETURN = 51,
238 OP_SECINFO_NO_NAME = 52,
239 OP_SEQUENCE = 53,
240 OP_SET_SSV = 54,
241 OP_TEST_STATEID = 55,
242 OP_WANT_DELEGATION = 56,
243 OP_DESTROY_CLIENTID = 57,
244 OP_RECLAIM_COMPLETE = 58,
245
246 OP_ILLEGAL = 10044,
247};
248
249/*Defining first and last NFS4 operations implemented.
250Needs to be updated if more operations are defined in future.*/
251
252#define FIRST_NFS4_OP OP_ACCESS
253#define LAST_NFS4_OP OP_RECLAIM_COMPLETE
254
255enum nfsstat4 {
256 NFS4_OK = 0,
257 NFS4ERR_PERM = 1,
258 NFS4ERR_NOENT = 2,
259 NFS4ERR_IO = 5,
260 NFS4ERR_NXIO = 6,
261 NFS4ERR_ACCESS = 13,
262 NFS4ERR_EXIST = 17,
263 NFS4ERR_XDEV = 18,
264 /* Unused/reserved 19 */
265 NFS4ERR_NOTDIR = 20,
266 NFS4ERR_ISDIR = 21,
267 NFS4ERR_INVAL = 22,
268 NFS4ERR_FBIG = 27,
269 NFS4ERR_NOSPC = 28,
270 NFS4ERR_ROFS = 30,
271 NFS4ERR_MLINK = 31,
272 NFS4ERR_NAMETOOLONG = 63,
273 NFS4ERR_NOTEMPTY = 66,
274 NFS4ERR_DQUOT = 69,
275 NFS4ERR_STALE = 70,
276 NFS4ERR_BADHANDLE = 10001,
277 NFS4ERR_BAD_COOKIE = 10003,
278 NFS4ERR_NOTSUPP = 10004,
279 NFS4ERR_TOOSMALL = 10005,
280 NFS4ERR_SERVERFAULT = 10006,
281 NFS4ERR_BADTYPE = 10007,
282 NFS4ERR_DELAY = 10008,
283 NFS4ERR_SAME = 10009,
284 NFS4ERR_DENIED = 10010,
285 NFS4ERR_EXPIRED = 10011,
286 NFS4ERR_LOCKED = 10012,
287 NFS4ERR_GRACE = 10013,
288 NFS4ERR_FHEXPIRED = 10014,
289 NFS4ERR_SHARE_DENIED = 10015,
290 NFS4ERR_WRONGSEC = 10016,
291 NFS4ERR_CLID_INUSE = 10017,
292 NFS4ERR_RESOURCE = 10018,
293 NFS4ERR_MOVED = 10019,
294 NFS4ERR_NOFILEHANDLE = 10020,
295 NFS4ERR_MINOR_VERS_MISMATCH = 10021,
296 NFS4ERR_STALE_CLIENTID = 10022,
297 NFS4ERR_STALE_STATEID = 10023,
298 NFS4ERR_OLD_STATEID = 10024,
299 NFS4ERR_BAD_STATEID = 10025,
300 NFS4ERR_BAD_SEQID = 10026,
301 NFS4ERR_NOT_SAME = 10027,
302 NFS4ERR_LOCK_RANGE = 10028,
303 NFS4ERR_SYMLINK = 10029,
304 NFS4ERR_RESTOREFH = 10030,
305 NFS4ERR_LEASE_MOVED = 10031,
306 NFS4ERR_ATTRNOTSUPP = 10032,
307 NFS4ERR_NO_GRACE = 10033,
308 NFS4ERR_RECLAIM_BAD = 10034,
309 NFS4ERR_RECLAIM_CONFLICT = 10035,
310 NFS4ERR_BADXDR = 10036,
311 NFS4ERR_LOCKS_HELD = 10037,
312 NFS4ERR_OPENMODE = 10038,
313 NFS4ERR_BADOWNER = 10039,
314 NFS4ERR_BADCHAR = 10040,
315 NFS4ERR_BADNAME = 10041,
316 NFS4ERR_BAD_RANGE = 10042,
317 NFS4ERR_LOCK_NOTSUPP = 10043,
318 NFS4ERR_OP_ILLEGAL = 10044,
319 NFS4ERR_DEADLOCK = 10045,
320 NFS4ERR_FILE_OPEN = 10046,
321 NFS4ERR_ADMIN_REVOKED = 10047,
322 NFS4ERR_CB_PATH_DOWN = 10048,
323
324 /* nfs41 */
325 NFS4ERR_BADIOMODE = 10049,
326 NFS4ERR_BADLAYOUT = 10050,
327 NFS4ERR_BAD_SESSION_DIGEST = 10051,
328 NFS4ERR_BADSESSION = 10052,
329 NFS4ERR_BADSLOT = 10053,
330 NFS4ERR_COMPLETE_ALREADY = 10054,
331 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055,
332 NFS4ERR_DELEG_ALREADY_WANTED = 10056,
333 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */
334 NFS4ERR_LAYOUTTRYLATER = 10058,
335 NFS4ERR_LAYOUTUNAVAILABLE = 10059,
336 NFS4ERR_NOMATCHING_LAYOUT = 10060,
337 NFS4ERR_RECALLCONFLICT = 10061,
338 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062,
339 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */
340 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */
341 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */
342 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */
343 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */
344 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */
345 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */
346 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */
347 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */
348 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */
349 /* Error 10073 is unused. */
350 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */
351 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */
352 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not origional */
353 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */
354 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */
355 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */
356 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */
357 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */
358 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */
359 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */
360 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */
361 NFS4ERR_REJECT_DELEG = 10085, /* on callback */
362 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */
363 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */
364};
365
366/*
367 * Note: NF4BAD is not actually part of the protocol; it is just used
368 * internally by nfsd.
369 */
370enum nfs_ftype4 {
371 NF4BAD = 0,
372 NF4REG = 1, /* Regular File */
373 NF4DIR = 2, /* Directory */
374 NF4BLK = 3, /* Special File - block device */
375 NF4CHR = 4, /* Special File - character device */
376 NF4LNK = 5, /* Symbolic Link */
377 NF4SOCK = 6, /* Special File - socket */
378 NF4FIFO = 7, /* Special File - fifo */
379 NF4ATTRDIR = 8, /* Attribute Directory */
380 NF4NAMEDATTR = 9 /* Named Attribute */
381};
382
383enum open_claim_type4 {
384 NFS4_OPEN_CLAIM_NULL = 0,
385 NFS4_OPEN_CLAIM_PREVIOUS = 1,
386 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
387 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3
388};
389
390enum opentype4 {
391 NFS4_OPEN_NOCREATE = 0,
392 NFS4_OPEN_CREATE = 1
393};
394
395enum createmode4 {
396 NFS4_CREATE_UNCHECKED = 0,
397 NFS4_CREATE_GUARDED = 1,
398 NFS4_CREATE_EXCLUSIVE = 2,
399 /*
400 * New to NFSv4.1. If session is persistent,
401 * GUARDED4 MUST be used. Otherwise, use
402 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
403 */
404 NFS4_CREATE_EXCLUSIVE4_1 = 3
405};
406
407enum limit_by4 {
408 NFS4_LIMIT_SIZE = 1,
409 NFS4_LIMIT_BLOCKS = 2
410};
411
412enum open_delegation_type4 {
413 NFS4_OPEN_DELEGATE_NONE = 0,
414 NFS4_OPEN_DELEGATE_READ = 1,
415 NFS4_OPEN_DELEGATE_WRITE = 2
416};
417
418enum lock_type4 {
419 NFS4_UNLOCK_LT = 0,
420 NFS4_READ_LT = 1,
421 NFS4_WRITE_LT = 2,
422 NFS4_READW_LT = 3,
423 NFS4_WRITEW_LT = 4
424};
425
426
427/* Mandatory Attributes */
428#define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
429#define FATTR4_WORD0_TYPE (1UL << 1)
430#define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
431#define FATTR4_WORD0_CHANGE (1UL << 3)
432#define FATTR4_WORD0_SIZE (1UL << 4)
433#define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
434#define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
435#define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
436#define FATTR4_WORD0_FSID (1UL << 8)
437#define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
438#define FATTR4_WORD0_LEASE_TIME (1UL << 10)
439#define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
440/* Mandatory in NFSv4.1 */
441#define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
442
443/* Recommended Attributes */
444#define FATTR4_WORD0_ACL (1UL << 12)
445#define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
446#define FATTR4_WORD0_ARCHIVE (1UL << 14)
447#define FATTR4_WORD0_CANSETTIME (1UL << 15)
448#define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
449#define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
450#define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
451#define FATTR4_WORD0_FILEHANDLE (1UL << 19)
452#define FATTR4_WORD0_FILEID (1UL << 20)
453#define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
454#define FATTR4_WORD0_FILES_FREE (1UL << 22)
455#define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
456#define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
457#define FATTR4_WORD0_HIDDEN (1UL << 25)
458#define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
459#define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
460#define FATTR4_WORD0_MAXLINK (1UL << 28)
461#define FATTR4_WORD0_MAXNAME (1UL << 29)
462#define FATTR4_WORD0_MAXREAD (1UL << 30)
463#define FATTR4_WORD0_MAXWRITE (1UL << 31)
464#define FATTR4_WORD1_MIMETYPE (1UL << 0)
465#define FATTR4_WORD1_MODE (1UL << 1)
466#define FATTR4_WORD1_NO_TRUNC (1UL << 2)
467#define FATTR4_WORD1_NUMLINKS (1UL << 3)
468#define FATTR4_WORD1_OWNER (1UL << 4)
469#define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
470#define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
471#define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
472#define FATTR4_WORD1_QUOTA_USED (1UL << 8)
473#define FATTR4_WORD1_RAWDEV (1UL << 9)
474#define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
475#define FATTR4_WORD1_SPACE_FREE (1UL << 11)
476#define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
477#define FATTR4_WORD1_SPACE_USED (1UL << 13)
478#define FATTR4_WORD1_SYSTEM (1UL << 14)
479#define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
480#define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
481#define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
482#define FATTR4_WORD1_TIME_CREATE (1UL << 18)
483#define FATTR4_WORD1_TIME_DELTA (1UL << 19)
484#define FATTR4_WORD1_TIME_METADATA (1UL << 20)
485#define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
486#define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
487#define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
488#define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
489#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
490
491#define NFSPROC4_NULL 0
492#define NFSPROC4_COMPOUND 1
493#define NFS4_VERSION 4
494#define NFS4_MINOR_VERSION 0
495
496#if defined(CONFIG_NFS_V4_1)
497#define NFS4_MAX_MINOR_VERSION 1
498#else
499#define NFS4_MAX_MINOR_VERSION 0
500#endif /* CONFIG_NFS_V4_1 */
501
502#define NFS4_DEBUG 1
503
504/* Index of predefined Linux client operations */
505
506enum {
507 NFSPROC4_CLNT_NULL = 0, /* Unused */
508 NFSPROC4_CLNT_READ,
509 NFSPROC4_CLNT_WRITE,
510 NFSPROC4_CLNT_COMMIT,
511 NFSPROC4_CLNT_OPEN,
512 NFSPROC4_CLNT_OPEN_CONFIRM,
513 NFSPROC4_CLNT_OPEN_NOATTR,
514 NFSPROC4_CLNT_OPEN_DOWNGRADE,
515 NFSPROC4_CLNT_CLOSE,
516 NFSPROC4_CLNT_SETATTR,
517 NFSPROC4_CLNT_FSINFO,
518 NFSPROC4_CLNT_RENEW,
519 NFSPROC4_CLNT_SETCLIENTID,
520 NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
521 NFSPROC4_CLNT_LOCK,
522 NFSPROC4_CLNT_LOCKT,
523 NFSPROC4_CLNT_LOCKU,
524 NFSPROC4_CLNT_ACCESS,
525 NFSPROC4_CLNT_GETATTR,
526 NFSPROC4_CLNT_LOOKUP,
527 NFSPROC4_CLNT_LOOKUP_ROOT,
528 NFSPROC4_CLNT_REMOVE,
529 NFSPROC4_CLNT_RENAME,
530 NFSPROC4_CLNT_LINK,
531 NFSPROC4_CLNT_SYMLINK,
532 NFSPROC4_CLNT_CREATE,
533 NFSPROC4_CLNT_PATHCONF,
534 NFSPROC4_CLNT_STATFS,
535 NFSPROC4_CLNT_READLINK,
536 NFSPROC4_CLNT_READDIR,
537 NFSPROC4_CLNT_SERVER_CAPS,
538 NFSPROC4_CLNT_DELEGRETURN,
539 NFSPROC4_CLNT_GETACL,
540 NFSPROC4_CLNT_SETACL,
541 NFSPROC4_CLNT_FS_LOCATIONS,
542 NFSPROC4_CLNT_RELEASE_LOCKOWNER,
543
544 /* nfs41 */
545 NFSPROC4_CLNT_EXCHANGE_ID,
546 NFSPROC4_CLNT_CREATE_SESSION,
547 NFSPROC4_CLNT_DESTROY_SESSION,
548 NFSPROC4_CLNT_SEQUENCE,
549 NFSPROC4_CLNT_GET_LEASE_TIME,
550 NFSPROC4_CLNT_RECLAIM_COMPLETE,
551 NFSPROC4_CLNT_LAYOUTGET,
552 NFSPROC4_CLNT_GETDEVICEINFO,
553};
554
555/* nfs41 types */
556struct nfs4_sessionid {
557 unsigned char data[NFS4_MAX_SESSIONID_LEN];
558};
559
560/* Create Session Flags */
561#define SESSION4_PERSIST 0x001
562#define SESSION4_BACK_CHAN 0x002
563#define SESSION4_RDMA 0x004
564
565enum state_protect_how4 {
566 SP4_NONE = 0,
567 SP4_MACH_CRED = 1,
568 SP4_SSV = 2
569};
570
571enum pnfs_layouttype {
572 LAYOUT_NFSV4_1_FILES = 1,
573 LAYOUT_OSD2_OBJECTS = 2,
574 LAYOUT_BLOCK_VOLUME = 3,
575};
576
577/* used for both layout return and recall */
578enum pnfs_layoutreturn_type {
579 RETURN_FILE = 1,
580 RETURN_FSID = 2,
581 RETURN_ALL = 3
582};
583
584enum pnfs_iomode {
585 IOMODE_READ = 1,
586 IOMODE_RW = 2,
587 IOMODE_ANY = 3,
588};
589
590enum pnfs_notify_deviceid_type4 {
591 NOTIFY_DEVICEID4_CHANGE = 1 << 1,
592 NOTIFY_DEVICEID4_DELETE = 1 << 2,
593};
594
595#define NFL4_UFLG_MASK 0x0000003F
596#define NFL4_UFLG_DENSE 0x00000001
597#define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002
598#define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0
599
600/* Encoded in the loh_body field of type layouthint4 */
601enum filelayout_hint_care4 {
602 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE,
603 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS,
604 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040,
605 NFLH4_CARE_STRIPE_COUNT = 0x00000080
606};
607
608#define NFS4_DEVICEID4_SIZE 16
609
610struct nfs4_deviceid {
611 char data[NFS4_DEVICEID4_SIZE];
612};
613
614#endif
615#endif
616
617/*
618 * Local variables:
619 * c-basic-offset: 8
620 * End:
621 */