Linux kernel mirror (for testing)
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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#ifndef _LINUX_NFS4_H
13#define _LINUX_NFS4_H
14
15#include <linux/list.h>
16#include <linux/uidgid.h>
17#include <uapi/linux/nfs4.h>
18
19enum nfs4_acl_whotype {
20 NFS4_ACL_WHO_NAMED = 0,
21 NFS4_ACL_WHO_OWNER,
22 NFS4_ACL_WHO_GROUP,
23 NFS4_ACL_WHO_EVERYONE,
24};
25
26struct nfs4_ace {
27 uint32_t type;
28 uint32_t flag;
29 uint32_t access_mask;
30 int whotype;
31 union {
32 kuid_t who_uid;
33 kgid_t who_gid;
34 };
35};
36
37struct nfs4_acl {
38 uint32_t naces;
39 struct nfs4_ace aces[0];
40};
41
42#define NFS4_MAXLABELLEN 2048
43
44struct nfs4_label {
45 uint32_t lfs;
46 uint32_t pi;
47 u32 len;
48 char *label;
49};
50
51typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
52
53struct nfs_stateid4 {
54 __be32 seqid;
55 char other[NFS4_STATEID_OTHER_SIZE];
56} __attribute__ ((packed));
57
58typedef struct nfs_stateid4 nfs4_stateid;
59
60enum nfs_opnum4 {
61 OP_ACCESS = 3,
62 OP_CLOSE = 4,
63 OP_COMMIT = 5,
64 OP_CREATE = 6,
65 OP_DELEGPURGE = 7,
66 OP_DELEGRETURN = 8,
67 OP_GETATTR = 9,
68 OP_GETFH = 10,
69 OP_LINK = 11,
70 OP_LOCK = 12,
71 OP_LOCKT = 13,
72 OP_LOCKU = 14,
73 OP_LOOKUP = 15,
74 OP_LOOKUPP = 16,
75 OP_NVERIFY = 17,
76 OP_OPEN = 18,
77 OP_OPENATTR = 19,
78 OP_OPEN_CONFIRM = 20,
79 OP_OPEN_DOWNGRADE = 21,
80 OP_PUTFH = 22,
81 OP_PUTPUBFH = 23,
82 OP_PUTROOTFH = 24,
83 OP_READ = 25,
84 OP_READDIR = 26,
85 OP_READLINK = 27,
86 OP_REMOVE = 28,
87 OP_RENAME = 29,
88 OP_RENEW = 30,
89 OP_RESTOREFH = 31,
90 OP_SAVEFH = 32,
91 OP_SECINFO = 33,
92 OP_SETATTR = 34,
93 OP_SETCLIENTID = 35,
94 OP_SETCLIENTID_CONFIRM = 36,
95 OP_VERIFY = 37,
96 OP_WRITE = 38,
97 OP_RELEASE_LOCKOWNER = 39,
98
99 /* nfs41 */
100 OP_BACKCHANNEL_CTL = 40,
101 OP_BIND_CONN_TO_SESSION = 41,
102 OP_EXCHANGE_ID = 42,
103 OP_CREATE_SESSION = 43,
104 OP_DESTROY_SESSION = 44,
105 OP_FREE_STATEID = 45,
106 OP_GET_DIR_DELEGATION = 46,
107 OP_GETDEVICEINFO = 47,
108 OP_GETDEVICELIST = 48,
109 OP_LAYOUTCOMMIT = 49,
110 OP_LAYOUTGET = 50,
111 OP_LAYOUTRETURN = 51,
112 OP_SECINFO_NO_NAME = 52,
113 OP_SEQUENCE = 53,
114 OP_SET_SSV = 54,
115 OP_TEST_STATEID = 55,
116 OP_WANT_DELEGATION = 56,
117 OP_DESTROY_CLIENTID = 57,
118 OP_RECLAIM_COMPLETE = 58,
119
120 /* nfs42 */
121 OP_ALLOCATE = 59,
122 OP_COPY = 60,
123 OP_COPY_NOTIFY = 61,
124 OP_DEALLOCATE = 62,
125 OP_IO_ADVISE = 63,
126 OP_LAYOUTERROR = 64,
127 OP_LAYOUTSTATS = 65,
128 OP_OFFLOAD_CANCEL = 66,
129 OP_OFFLOAD_STATUS = 67,
130 OP_READ_PLUS = 68,
131 OP_SEEK = 69,
132 OP_WRITE_SAME = 70,
133 OP_CLONE = 71,
134
135 OP_ILLEGAL = 10044,
136};
137
138/*Defining first and last NFS4 operations implemented.
139Needs to be updated if more operations are defined in future.*/
140
141#define FIRST_NFS4_OP OP_ACCESS
142#define LAST_NFS4_OP OP_WRITE_SAME
143#define LAST_NFS40_OP OP_RELEASE_LOCKOWNER
144#define LAST_NFS41_OP OP_RECLAIM_COMPLETE
145#define LAST_NFS42_OP OP_WRITE_SAME
146
147enum nfsstat4 {
148 NFS4_OK = 0,
149 NFS4ERR_PERM = 1,
150 NFS4ERR_NOENT = 2,
151 NFS4ERR_IO = 5,
152 NFS4ERR_NXIO = 6,
153 NFS4ERR_ACCESS = 13,
154 NFS4ERR_EXIST = 17,
155 NFS4ERR_XDEV = 18,
156 /* Unused/reserved 19 */
157 NFS4ERR_NOTDIR = 20,
158 NFS4ERR_ISDIR = 21,
159 NFS4ERR_INVAL = 22,
160 NFS4ERR_FBIG = 27,
161 NFS4ERR_NOSPC = 28,
162 NFS4ERR_ROFS = 30,
163 NFS4ERR_MLINK = 31,
164 NFS4ERR_NAMETOOLONG = 63,
165 NFS4ERR_NOTEMPTY = 66,
166 NFS4ERR_DQUOT = 69,
167 NFS4ERR_STALE = 70,
168 NFS4ERR_BADHANDLE = 10001,
169 NFS4ERR_BAD_COOKIE = 10003,
170 NFS4ERR_NOTSUPP = 10004,
171 NFS4ERR_TOOSMALL = 10005,
172 NFS4ERR_SERVERFAULT = 10006,
173 NFS4ERR_BADTYPE = 10007,
174 NFS4ERR_DELAY = 10008,
175 NFS4ERR_SAME = 10009,
176 NFS4ERR_DENIED = 10010,
177 NFS4ERR_EXPIRED = 10011,
178 NFS4ERR_LOCKED = 10012,
179 NFS4ERR_GRACE = 10013,
180 NFS4ERR_FHEXPIRED = 10014,
181 NFS4ERR_SHARE_DENIED = 10015,
182 NFS4ERR_WRONGSEC = 10016,
183 NFS4ERR_CLID_INUSE = 10017,
184 NFS4ERR_RESOURCE = 10018,
185 NFS4ERR_MOVED = 10019,
186 NFS4ERR_NOFILEHANDLE = 10020,
187 NFS4ERR_MINOR_VERS_MISMATCH = 10021,
188 NFS4ERR_STALE_CLIENTID = 10022,
189 NFS4ERR_STALE_STATEID = 10023,
190 NFS4ERR_OLD_STATEID = 10024,
191 NFS4ERR_BAD_STATEID = 10025,
192 NFS4ERR_BAD_SEQID = 10026,
193 NFS4ERR_NOT_SAME = 10027,
194 NFS4ERR_LOCK_RANGE = 10028,
195 NFS4ERR_SYMLINK = 10029,
196 NFS4ERR_RESTOREFH = 10030,
197 NFS4ERR_LEASE_MOVED = 10031,
198 NFS4ERR_ATTRNOTSUPP = 10032,
199 NFS4ERR_NO_GRACE = 10033,
200 NFS4ERR_RECLAIM_BAD = 10034,
201 NFS4ERR_RECLAIM_CONFLICT = 10035,
202 NFS4ERR_BADXDR = 10036,
203 NFS4ERR_LOCKS_HELD = 10037,
204 NFS4ERR_OPENMODE = 10038,
205 NFS4ERR_BADOWNER = 10039,
206 NFS4ERR_BADCHAR = 10040,
207 NFS4ERR_BADNAME = 10041,
208 NFS4ERR_BAD_RANGE = 10042,
209 NFS4ERR_LOCK_NOTSUPP = 10043,
210 NFS4ERR_OP_ILLEGAL = 10044,
211 NFS4ERR_DEADLOCK = 10045,
212 NFS4ERR_FILE_OPEN = 10046,
213 NFS4ERR_ADMIN_REVOKED = 10047,
214 NFS4ERR_CB_PATH_DOWN = 10048,
215
216 /* nfs41 */
217 NFS4ERR_BADIOMODE = 10049,
218 NFS4ERR_BADLAYOUT = 10050,
219 NFS4ERR_BAD_SESSION_DIGEST = 10051,
220 NFS4ERR_BADSESSION = 10052,
221 NFS4ERR_BADSLOT = 10053,
222 NFS4ERR_COMPLETE_ALREADY = 10054,
223 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055,
224 NFS4ERR_DELEG_ALREADY_WANTED = 10056,
225 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */
226 NFS4ERR_LAYOUTTRYLATER = 10058,
227 NFS4ERR_LAYOUTUNAVAILABLE = 10059,
228 NFS4ERR_NOMATCHING_LAYOUT = 10060,
229 NFS4ERR_RECALLCONFLICT = 10061,
230 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062,
231 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */
232 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */
233 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */
234 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */
235 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */
236 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */
237 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */
238 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */
239 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */
240 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */
241 /* Error 10073 is unused. */
242 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */
243 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */
244 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */
245 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */
246 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */
247 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */
248 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */
249 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */
250 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */
251 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */
252 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */
253 NFS4ERR_REJECT_DELEG = 10085, /* on callback */
254 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */
255 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */
256
257 /* nfs42 */
258 NFS4ERR_PARTNER_NOTSUPP = 10088,
259 NFS4ERR_PARTNER_NO_AUTH = 10089,
260 NFS4ERR_UNION_NOTSUPP = 10090,
261 NFS4ERR_OFFLOAD_DENIED = 10091,
262 NFS4ERR_WRONG_LFS = 10092,
263 NFS4ERR_BADLABEL = 10093,
264 NFS4ERR_OFFLOAD_NO_REQS = 10094,
265};
266
267static inline bool seqid_mutating_err(u32 err)
268{
269 /* rfc 3530 section 8.1.5: */
270 switch (err) {
271 case NFS4ERR_STALE_CLIENTID:
272 case NFS4ERR_STALE_STATEID:
273 case NFS4ERR_BAD_STATEID:
274 case NFS4ERR_BAD_SEQID:
275 case NFS4ERR_BADXDR:
276 case NFS4ERR_RESOURCE:
277 case NFS4ERR_NOFILEHANDLE:
278 return false;
279 };
280 return true;
281}
282
283/*
284 * Note: NF4BAD is not actually part of the protocol; it is just used
285 * internally by nfsd.
286 */
287enum nfs_ftype4 {
288 NF4BAD = 0,
289 NF4REG = 1, /* Regular File */
290 NF4DIR = 2, /* Directory */
291 NF4BLK = 3, /* Special File - block device */
292 NF4CHR = 4, /* Special File - character device */
293 NF4LNK = 5, /* Symbolic Link */
294 NF4SOCK = 6, /* Special File - socket */
295 NF4FIFO = 7, /* Special File - fifo */
296 NF4ATTRDIR = 8, /* Attribute Directory */
297 NF4NAMEDATTR = 9 /* Named Attribute */
298};
299
300enum open_claim_type4 {
301 NFS4_OPEN_CLAIM_NULL = 0,
302 NFS4_OPEN_CLAIM_PREVIOUS = 1,
303 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
304 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3,
305 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */
306 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */
307 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */
308};
309
310enum opentype4 {
311 NFS4_OPEN_NOCREATE = 0,
312 NFS4_OPEN_CREATE = 1
313};
314
315enum createmode4 {
316 NFS4_CREATE_UNCHECKED = 0,
317 NFS4_CREATE_GUARDED = 1,
318 NFS4_CREATE_EXCLUSIVE = 2,
319 /*
320 * New to NFSv4.1. If session is persistent,
321 * GUARDED4 MUST be used. Otherwise, use
322 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
323 */
324 NFS4_CREATE_EXCLUSIVE4_1 = 3
325};
326
327enum limit_by4 {
328 NFS4_LIMIT_SIZE = 1,
329 NFS4_LIMIT_BLOCKS = 2
330};
331
332enum open_delegation_type4 {
333 NFS4_OPEN_DELEGATE_NONE = 0,
334 NFS4_OPEN_DELEGATE_READ = 1,
335 NFS4_OPEN_DELEGATE_WRITE = 2,
336 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */
337};
338
339enum why_no_delegation4 { /* new to v4.1 */
340 WND4_NOT_WANTED = 0,
341 WND4_CONTENTION = 1,
342 WND4_RESOURCE = 2,
343 WND4_NOT_SUPP_FTYPE = 3,
344 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4,
345 WND4_NOT_SUPP_UPGRADE = 5,
346 WND4_NOT_SUPP_DOWNGRADE = 6,
347 WND4_CANCELLED = 7,
348 WND4_IS_DIR = 8,
349};
350
351enum lock_type4 {
352 NFS4_UNLOCK_LT = 0,
353 NFS4_READ_LT = 1,
354 NFS4_WRITE_LT = 2,
355 NFS4_READW_LT = 3,
356 NFS4_WRITEW_LT = 4
357};
358
359
360/* Mandatory Attributes */
361#define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
362#define FATTR4_WORD0_TYPE (1UL << 1)
363#define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
364#define FATTR4_WORD0_CHANGE (1UL << 3)
365#define FATTR4_WORD0_SIZE (1UL << 4)
366#define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
367#define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
368#define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
369#define FATTR4_WORD0_FSID (1UL << 8)
370#define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
371#define FATTR4_WORD0_LEASE_TIME (1UL << 10)
372#define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
373/* Mandatory in NFSv4.1 */
374#define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
375
376/* Recommended Attributes */
377#define FATTR4_WORD0_ACL (1UL << 12)
378#define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
379#define FATTR4_WORD0_ARCHIVE (1UL << 14)
380#define FATTR4_WORD0_CANSETTIME (1UL << 15)
381#define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
382#define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
383#define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
384#define FATTR4_WORD0_FILEHANDLE (1UL << 19)
385#define FATTR4_WORD0_FILEID (1UL << 20)
386#define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
387#define FATTR4_WORD0_FILES_FREE (1UL << 22)
388#define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
389#define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
390#define FATTR4_WORD0_HIDDEN (1UL << 25)
391#define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
392#define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
393#define FATTR4_WORD0_MAXLINK (1UL << 28)
394#define FATTR4_WORD0_MAXNAME (1UL << 29)
395#define FATTR4_WORD0_MAXREAD (1UL << 30)
396#define FATTR4_WORD0_MAXWRITE (1UL << 31)
397#define FATTR4_WORD1_MIMETYPE (1UL << 0)
398#define FATTR4_WORD1_MODE (1UL << 1)
399#define FATTR4_WORD1_NO_TRUNC (1UL << 2)
400#define FATTR4_WORD1_NUMLINKS (1UL << 3)
401#define FATTR4_WORD1_OWNER (1UL << 4)
402#define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
403#define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
404#define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
405#define FATTR4_WORD1_QUOTA_USED (1UL << 8)
406#define FATTR4_WORD1_RAWDEV (1UL << 9)
407#define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
408#define FATTR4_WORD1_SPACE_FREE (1UL << 11)
409#define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
410#define FATTR4_WORD1_SPACE_USED (1UL << 13)
411#define FATTR4_WORD1_SYSTEM (1UL << 14)
412#define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
413#define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
414#define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
415#define FATTR4_WORD1_TIME_CREATE (1UL << 18)
416#define FATTR4_WORD1_TIME_DELTA (1UL << 19)
417#define FATTR4_WORD1_TIME_METADATA (1UL << 20)
418#define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
419#define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
420#define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
421#define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
422#define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0)
423#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
424#define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4)
425#define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13)
426#define FATTR4_WORD2_SECURITY_LABEL (1UL << 16)
427
428/* MDS threshold bitmap bits */
429#define THRESHOLD_RD (1UL << 0)
430#define THRESHOLD_WR (1UL << 1)
431#define THRESHOLD_RD_IO (1UL << 2)
432#define THRESHOLD_WR_IO (1UL << 3)
433
434#define NFSPROC4_NULL 0
435#define NFSPROC4_COMPOUND 1
436#define NFS4_VERSION 4
437#define NFS4_MINOR_VERSION 0
438
439#define NFS4_DEBUG 1
440
441/* Index of predefined Linux client operations */
442
443enum {
444 NFSPROC4_CLNT_NULL = 0, /* Unused */
445 NFSPROC4_CLNT_READ,
446 NFSPROC4_CLNT_WRITE,
447 NFSPROC4_CLNT_COMMIT,
448 NFSPROC4_CLNT_OPEN,
449 NFSPROC4_CLNT_OPEN_CONFIRM,
450 NFSPROC4_CLNT_OPEN_NOATTR,
451 NFSPROC4_CLNT_OPEN_DOWNGRADE,
452 NFSPROC4_CLNT_CLOSE,
453 NFSPROC4_CLNT_SETATTR,
454 NFSPROC4_CLNT_FSINFO,
455 NFSPROC4_CLNT_RENEW,
456 NFSPROC4_CLNT_SETCLIENTID,
457 NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
458 NFSPROC4_CLNT_LOCK,
459 NFSPROC4_CLNT_LOCKT,
460 NFSPROC4_CLNT_LOCKU,
461 NFSPROC4_CLNT_ACCESS,
462 NFSPROC4_CLNT_GETATTR,
463 NFSPROC4_CLNT_LOOKUP,
464 NFSPROC4_CLNT_LOOKUP_ROOT,
465 NFSPROC4_CLNT_REMOVE,
466 NFSPROC4_CLNT_RENAME,
467 NFSPROC4_CLNT_LINK,
468 NFSPROC4_CLNT_SYMLINK,
469 NFSPROC4_CLNT_CREATE,
470 NFSPROC4_CLNT_PATHCONF,
471 NFSPROC4_CLNT_STATFS,
472 NFSPROC4_CLNT_READLINK,
473 NFSPROC4_CLNT_READDIR,
474 NFSPROC4_CLNT_SERVER_CAPS,
475 NFSPROC4_CLNT_DELEGRETURN,
476 NFSPROC4_CLNT_GETACL,
477 NFSPROC4_CLNT_SETACL,
478 NFSPROC4_CLNT_FS_LOCATIONS,
479 NFSPROC4_CLNT_RELEASE_LOCKOWNER,
480 NFSPROC4_CLNT_SECINFO,
481 NFSPROC4_CLNT_FSID_PRESENT,
482
483 /* nfs41 */
484 NFSPROC4_CLNT_EXCHANGE_ID,
485 NFSPROC4_CLNT_CREATE_SESSION,
486 NFSPROC4_CLNT_DESTROY_SESSION,
487 NFSPROC4_CLNT_SEQUENCE,
488 NFSPROC4_CLNT_GET_LEASE_TIME,
489 NFSPROC4_CLNT_RECLAIM_COMPLETE,
490 NFSPROC4_CLNT_LAYOUTGET,
491 NFSPROC4_CLNT_GETDEVICEINFO,
492 NFSPROC4_CLNT_LAYOUTCOMMIT,
493 NFSPROC4_CLNT_LAYOUTRETURN,
494 NFSPROC4_CLNT_SECINFO_NO_NAME,
495 NFSPROC4_CLNT_TEST_STATEID,
496 NFSPROC4_CLNT_FREE_STATEID,
497 NFSPROC4_CLNT_GETDEVICELIST,
498 NFSPROC4_CLNT_BIND_CONN_TO_SESSION,
499 NFSPROC4_CLNT_DESTROY_CLIENTID,
500
501 /* nfs42 */
502 NFSPROC4_CLNT_SEEK,
503 NFSPROC4_CLNT_ALLOCATE,
504 NFSPROC4_CLNT_DEALLOCATE,
505 NFSPROC4_CLNT_LAYOUTSTATS,
506 NFSPROC4_CLNT_CLONE,
507};
508
509/* nfs41 types */
510struct nfs4_sessionid {
511 unsigned char data[NFS4_MAX_SESSIONID_LEN];
512};
513
514/* Create Session Flags */
515#define SESSION4_PERSIST 0x001
516#define SESSION4_BACK_CHAN 0x002
517#define SESSION4_RDMA 0x004
518
519#define SESSION4_FLAG_MASK_A 0x007
520
521enum state_protect_how4 {
522 SP4_NONE = 0,
523 SP4_MACH_CRED = 1,
524 SP4_SSV = 2
525};
526
527enum pnfs_layouttype {
528 LAYOUT_NFSV4_1_FILES = 1,
529 LAYOUT_OSD2_OBJECTS = 2,
530 LAYOUT_BLOCK_VOLUME = 3,
531 LAYOUT_FLEX_FILES = 4,
532 LAYOUT_TYPE_MAX
533};
534
535/* used for both layout return and recall */
536enum pnfs_layoutreturn_type {
537 RETURN_FILE = 1,
538 RETURN_FSID = 2,
539 RETURN_ALL = 3
540};
541
542enum pnfs_iomode {
543 IOMODE_READ = 1,
544 IOMODE_RW = 2,
545 IOMODE_ANY = 3,
546};
547
548enum pnfs_notify_deviceid_type4 {
549 NOTIFY_DEVICEID4_CHANGE = 1 << 1,
550 NOTIFY_DEVICEID4_DELETE = 1 << 2,
551};
552
553enum pnfs_block_volume_type {
554 PNFS_BLOCK_VOLUME_SIMPLE = 0,
555 PNFS_BLOCK_VOLUME_SLICE = 1,
556 PNFS_BLOCK_VOLUME_CONCAT = 2,
557 PNFS_BLOCK_VOLUME_STRIPE = 3,
558};
559
560enum pnfs_block_extent_state {
561 PNFS_BLOCK_READWRITE_DATA = 0,
562 PNFS_BLOCK_READ_DATA = 1,
563 PNFS_BLOCK_INVALID_DATA = 2,
564 PNFS_BLOCK_NONE_DATA = 3,
565};
566
567/* on the wire size of a block layout extent */
568#define PNFS_BLOCK_EXTENT_SIZE \
569 (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE)
570
571#define NFL4_UFLG_MASK 0x0000003F
572#define NFL4_UFLG_DENSE 0x00000001
573#define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002
574#define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0
575
576/* Encoded in the loh_body field of type layouthint4 */
577enum filelayout_hint_care4 {
578 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE,
579 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS,
580 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040,
581 NFLH4_CARE_STRIPE_COUNT = 0x00000080
582};
583
584#define NFS4_DEVICEID4_SIZE 16
585
586struct nfs4_deviceid {
587 char data[NFS4_DEVICEID4_SIZE];
588};
589
590enum data_content4 {
591 NFS4_CONTENT_DATA = 0,
592 NFS4_CONTENT_HOLE = 1,
593};
594
595#endif