Linux kernel mirror (for testing)
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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#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 nfs4_stateid_struct {
54 union {
55 char data[NFS4_STATEID_SIZE];
56 struct {
57 __be32 seqid;
58 char other[NFS4_STATEID_OTHER_SIZE];
59 } __attribute__ ((packed));
60 };
61
62 enum {
63 NFS4_INVALID_STATEID_TYPE = 0,
64 NFS4_SPECIAL_STATEID_TYPE,
65 NFS4_OPEN_STATEID_TYPE,
66 NFS4_LOCK_STATEID_TYPE,
67 NFS4_DELEGATION_STATEID_TYPE,
68 NFS4_LAYOUT_STATEID_TYPE,
69 NFS4_PNFS_DS_STATEID_TYPE,
70 NFS4_REVOKED_STATEID_TYPE,
71 } type;
72};
73
74typedef struct nfs4_stateid_struct nfs4_stateid;
75
76enum nfs_opnum4 {
77 OP_ACCESS = 3,
78 OP_CLOSE = 4,
79 OP_COMMIT = 5,
80 OP_CREATE = 6,
81 OP_DELEGPURGE = 7,
82 OP_DELEGRETURN = 8,
83 OP_GETATTR = 9,
84 OP_GETFH = 10,
85 OP_LINK = 11,
86 OP_LOCK = 12,
87 OP_LOCKT = 13,
88 OP_LOCKU = 14,
89 OP_LOOKUP = 15,
90 OP_LOOKUPP = 16,
91 OP_NVERIFY = 17,
92 OP_OPEN = 18,
93 OP_OPENATTR = 19,
94 OP_OPEN_CONFIRM = 20,
95 OP_OPEN_DOWNGRADE = 21,
96 OP_PUTFH = 22,
97 OP_PUTPUBFH = 23,
98 OP_PUTROOTFH = 24,
99 OP_READ = 25,
100 OP_READDIR = 26,
101 OP_READLINK = 27,
102 OP_REMOVE = 28,
103 OP_RENAME = 29,
104 OP_RENEW = 30,
105 OP_RESTOREFH = 31,
106 OP_SAVEFH = 32,
107 OP_SECINFO = 33,
108 OP_SETATTR = 34,
109 OP_SETCLIENTID = 35,
110 OP_SETCLIENTID_CONFIRM = 36,
111 OP_VERIFY = 37,
112 OP_WRITE = 38,
113 OP_RELEASE_LOCKOWNER = 39,
114
115 /* nfs41 */
116 OP_BACKCHANNEL_CTL = 40,
117 OP_BIND_CONN_TO_SESSION = 41,
118 OP_EXCHANGE_ID = 42,
119 OP_CREATE_SESSION = 43,
120 OP_DESTROY_SESSION = 44,
121 OP_FREE_STATEID = 45,
122 OP_GET_DIR_DELEGATION = 46,
123 OP_GETDEVICEINFO = 47,
124 OP_GETDEVICELIST = 48,
125 OP_LAYOUTCOMMIT = 49,
126 OP_LAYOUTGET = 50,
127 OP_LAYOUTRETURN = 51,
128 OP_SECINFO_NO_NAME = 52,
129 OP_SEQUENCE = 53,
130 OP_SET_SSV = 54,
131 OP_TEST_STATEID = 55,
132 OP_WANT_DELEGATION = 56,
133 OP_DESTROY_CLIENTID = 57,
134 OP_RECLAIM_COMPLETE = 58,
135
136 /* nfs42 */
137 OP_ALLOCATE = 59,
138 OP_COPY = 60,
139 OP_COPY_NOTIFY = 61,
140 OP_DEALLOCATE = 62,
141 OP_IO_ADVISE = 63,
142 OP_LAYOUTERROR = 64,
143 OP_LAYOUTSTATS = 65,
144 OP_OFFLOAD_CANCEL = 66,
145 OP_OFFLOAD_STATUS = 67,
146 OP_READ_PLUS = 68,
147 OP_SEEK = 69,
148 OP_WRITE_SAME = 70,
149 OP_CLONE = 71,
150
151 OP_ILLEGAL = 10044,
152};
153
154/*Defining first and last NFS4 operations implemented.
155Needs to be updated if more operations are defined in future.*/
156
157#define FIRST_NFS4_OP OP_ACCESS
158#define LAST_NFS40_OP OP_RELEASE_LOCKOWNER
159#define LAST_NFS41_OP OP_RECLAIM_COMPLETE
160#define LAST_NFS42_OP OP_CLONE
161#define LAST_NFS4_OP LAST_NFS42_OP
162
163enum nfsstat4 {
164 NFS4_OK = 0,
165 NFS4ERR_PERM = 1,
166 NFS4ERR_NOENT = 2,
167 NFS4ERR_IO = 5,
168 NFS4ERR_NXIO = 6,
169 NFS4ERR_ACCESS = 13,
170 NFS4ERR_EXIST = 17,
171 NFS4ERR_XDEV = 18,
172 /* Unused/reserved 19 */
173 NFS4ERR_NOTDIR = 20,
174 NFS4ERR_ISDIR = 21,
175 NFS4ERR_INVAL = 22,
176 NFS4ERR_FBIG = 27,
177 NFS4ERR_NOSPC = 28,
178 NFS4ERR_ROFS = 30,
179 NFS4ERR_MLINK = 31,
180 NFS4ERR_NAMETOOLONG = 63,
181 NFS4ERR_NOTEMPTY = 66,
182 NFS4ERR_DQUOT = 69,
183 NFS4ERR_STALE = 70,
184 NFS4ERR_BADHANDLE = 10001,
185 NFS4ERR_BAD_COOKIE = 10003,
186 NFS4ERR_NOTSUPP = 10004,
187 NFS4ERR_TOOSMALL = 10005,
188 NFS4ERR_SERVERFAULT = 10006,
189 NFS4ERR_BADTYPE = 10007,
190 NFS4ERR_DELAY = 10008,
191 NFS4ERR_SAME = 10009,
192 NFS4ERR_DENIED = 10010,
193 NFS4ERR_EXPIRED = 10011,
194 NFS4ERR_LOCKED = 10012,
195 NFS4ERR_GRACE = 10013,
196 NFS4ERR_FHEXPIRED = 10014,
197 NFS4ERR_SHARE_DENIED = 10015,
198 NFS4ERR_WRONGSEC = 10016,
199 NFS4ERR_CLID_INUSE = 10017,
200 NFS4ERR_RESOURCE = 10018,
201 NFS4ERR_MOVED = 10019,
202 NFS4ERR_NOFILEHANDLE = 10020,
203 NFS4ERR_MINOR_VERS_MISMATCH = 10021,
204 NFS4ERR_STALE_CLIENTID = 10022,
205 NFS4ERR_STALE_STATEID = 10023,
206 NFS4ERR_OLD_STATEID = 10024,
207 NFS4ERR_BAD_STATEID = 10025,
208 NFS4ERR_BAD_SEQID = 10026,
209 NFS4ERR_NOT_SAME = 10027,
210 NFS4ERR_LOCK_RANGE = 10028,
211 NFS4ERR_SYMLINK = 10029,
212 NFS4ERR_RESTOREFH = 10030,
213 NFS4ERR_LEASE_MOVED = 10031,
214 NFS4ERR_ATTRNOTSUPP = 10032,
215 NFS4ERR_NO_GRACE = 10033,
216 NFS4ERR_RECLAIM_BAD = 10034,
217 NFS4ERR_RECLAIM_CONFLICT = 10035,
218 NFS4ERR_BADXDR = 10036,
219 NFS4ERR_LOCKS_HELD = 10037,
220 NFS4ERR_OPENMODE = 10038,
221 NFS4ERR_BADOWNER = 10039,
222 NFS4ERR_BADCHAR = 10040,
223 NFS4ERR_BADNAME = 10041,
224 NFS4ERR_BAD_RANGE = 10042,
225 NFS4ERR_LOCK_NOTSUPP = 10043,
226 NFS4ERR_OP_ILLEGAL = 10044,
227 NFS4ERR_DEADLOCK = 10045,
228 NFS4ERR_FILE_OPEN = 10046,
229 NFS4ERR_ADMIN_REVOKED = 10047,
230 NFS4ERR_CB_PATH_DOWN = 10048,
231
232 /* nfs41 */
233 NFS4ERR_BADIOMODE = 10049,
234 NFS4ERR_BADLAYOUT = 10050,
235 NFS4ERR_BAD_SESSION_DIGEST = 10051,
236 NFS4ERR_BADSESSION = 10052,
237 NFS4ERR_BADSLOT = 10053,
238 NFS4ERR_COMPLETE_ALREADY = 10054,
239 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055,
240 NFS4ERR_DELEG_ALREADY_WANTED = 10056,
241 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */
242 NFS4ERR_LAYOUTTRYLATER = 10058,
243 NFS4ERR_LAYOUTUNAVAILABLE = 10059,
244 NFS4ERR_NOMATCHING_LAYOUT = 10060,
245 NFS4ERR_RECALLCONFLICT = 10061,
246 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062,
247 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */
248 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */
249 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */
250 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */
251 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */
252 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */
253 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */
254 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */
255 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */
256 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */
257 /* Error 10073 is unused. */
258 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */
259 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */
260 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */
261 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */
262 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */
263 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */
264 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */
265 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */
266 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */
267 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */
268 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */
269 NFS4ERR_REJECT_DELEG = 10085, /* on callback */
270 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */
271 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */
272
273 /* nfs42 */
274 NFS4ERR_PARTNER_NOTSUPP = 10088,
275 NFS4ERR_PARTNER_NO_AUTH = 10089,
276 NFS4ERR_UNION_NOTSUPP = 10090,
277 NFS4ERR_OFFLOAD_DENIED = 10091,
278 NFS4ERR_WRONG_LFS = 10092,
279 NFS4ERR_BADLABEL = 10093,
280 NFS4ERR_OFFLOAD_NO_REQS = 10094,
281};
282
283static inline bool seqid_mutating_err(u32 err)
284{
285 /* rfc 3530 section 8.1.5: */
286 switch (err) {
287 case NFS4ERR_STALE_CLIENTID:
288 case NFS4ERR_STALE_STATEID:
289 case NFS4ERR_BAD_STATEID:
290 case NFS4ERR_BAD_SEQID:
291 case NFS4ERR_BADXDR:
292 case NFS4ERR_RESOURCE:
293 case NFS4ERR_NOFILEHANDLE:
294 return false;
295 };
296 return true;
297}
298
299/*
300 * Note: NF4BAD is not actually part of the protocol; it is just used
301 * internally by nfsd.
302 */
303enum nfs_ftype4 {
304 NF4BAD = 0,
305 NF4REG = 1, /* Regular File */
306 NF4DIR = 2, /* Directory */
307 NF4BLK = 3, /* Special File - block device */
308 NF4CHR = 4, /* Special File - character device */
309 NF4LNK = 5, /* Symbolic Link */
310 NF4SOCK = 6, /* Special File - socket */
311 NF4FIFO = 7, /* Special File - fifo */
312 NF4ATTRDIR = 8, /* Attribute Directory */
313 NF4NAMEDATTR = 9 /* Named Attribute */
314};
315
316enum open_claim_type4 {
317 NFS4_OPEN_CLAIM_NULL = 0,
318 NFS4_OPEN_CLAIM_PREVIOUS = 1,
319 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
320 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3,
321 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */
322 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */
323 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */
324};
325
326enum opentype4 {
327 NFS4_OPEN_NOCREATE = 0,
328 NFS4_OPEN_CREATE = 1
329};
330
331enum createmode4 {
332 NFS4_CREATE_UNCHECKED = 0,
333 NFS4_CREATE_GUARDED = 1,
334 NFS4_CREATE_EXCLUSIVE = 2,
335 /*
336 * New to NFSv4.1. If session is persistent,
337 * GUARDED4 MUST be used. Otherwise, use
338 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
339 */
340 NFS4_CREATE_EXCLUSIVE4_1 = 3
341};
342
343enum limit_by4 {
344 NFS4_LIMIT_SIZE = 1,
345 NFS4_LIMIT_BLOCKS = 2
346};
347
348enum open_delegation_type4 {
349 NFS4_OPEN_DELEGATE_NONE = 0,
350 NFS4_OPEN_DELEGATE_READ = 1,
351 NFS4_OPEN_DELEGATE_WRITE = 2,
352 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */
353};
354
355enum why_no_delegation4 { /* new to v4.1 */
356 WND4_NOT_WANTED = 0,
357 WND4_CONTENTION = 1,
358 WND4_RESOURCE = 2,
359 WND4_NOT_SUPP_FTYPE = 3,
360 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4,
361 WND4_NOT_SUPP_UPGRADE = 5,
362 WND4_NOT_SUPP_DOWNGRADE = 6,
363 WND4_CANCELLED = 7,
364 WND4_IS_DIR = 8,
365};
366
367enum lock_type4 {
368 NFS4_UNLOCK_LT = 0,
369 NFS4_READ_LT = 1,
370 NFS4_WRITE_LT = 2,
371 NFS4_READW_LT = 3,
372 NFS4_WRITEW_LT = 4
373};
374
375
376/* Mandatory Attributes */
377#define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
378#define FATTR4_WORD0_TYPE (1UL << 1)
379#define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
380#define FATTR4_WORD0_CHANGE (1UL << 3)
381#define FATTR4_WORD0_SIZE (1UL << 4)
382#define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
383#define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
384#define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
385#define FATTR4_WORD0_FSID (1UL << 8)
386#define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
387#define FATTR4_WORD0_LEASE_TIME (1UL << 10)
388#define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
389/* Mandatory in NFSv4.1 */
390#define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
391
392/* Recommended Attributes */
393#define FATTR4_WORD0_ACL (1UL << 12)
394#define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
395#define FATTR4_WORD0_ARCHIVE (1UL << 14)
396#define FATTR4_WORD0_CANSETTIME (1UL << 15)
397#define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
398#define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
399#define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
400#define FATTR4_WORD0_FILEHANDLE (1UL << 19)
401#define FATTR4_WORD0_FILEID (1UL << 20)
402#define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
403#define FATTR4_WORD0_FILES_FREE (1UL << 22)
404#define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
405#define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
406#define FATTR4_WORD0_HIDDEN (1UL << 25)
407#define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
408#define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
409#define FATTR4_WORD0_MAXLINK (1UL << 28)
410#define FATTR4_WORD0_MAXNAME (1UL << 29)
411#define FATTR4_WORD0_MAXREAD (1UL << 30)
412#define FATTR4_WORD0_MAXWRITE (1UL << 31)
413#define FATTR4_WORD1_MIMETYPE (1UL << 0)
414#define FATTR4_WORD1_MODE (1UL << 1)
415#define FATTR4_WORD1_NO_TRUNC (1UL << 2)
416#define FATTR4_WORD1_NUMLINKS (1UL << 3)
417#define FATTR4_WORD1_OWNER (1UL << 4)
418#define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
419#define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
420#define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
421#define FATTR4_WORD1_QUOTA_USED (1UL << 8)
422#define FATTR4_WORD1_RAWDEV (1UL << 9)
423#define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
424#define FATTR4_WORD1_SPACE_FREE (1UL << 11)
425#define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
426#define FATTR4_WORD1_SPACE_USED (1UL << 13)
427#define FATTR4_WORD1_SYSTEM (1UL << 14)
428#define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
429#define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
430#define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
431#define FATTR4_WORD1_TIME_CREATE (1UL << 18)
432#define FATTR4_WORD1_TIME_DELTA (1UL << 19)
433#define FATTR4_WORD1_TIME_METADATA (1UL << 20)
434#define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
435#define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
436#define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
437#define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
438#define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0)
439#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
440#define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4)
441#define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13)
442#define FATTR4_WORD2_SECURITY_LABEL (1UL << 16)
443
444/* MDS threshold bitmap bits */
445#define THRESHOLD_RD (1UL << 0)
446#define THRESHOLD_WR (1UL << 1)
447#define THRESHOLD_RD_IO (1UL << 2)
448#define THRESHOLD_WR_IO (1UL << 3)
449
450#define NFSPROC4_NULL 0
451#define NFSPROC4_COMPOUND 1
452#define NFS4_VERSION 4
453#define NFS4_MINOR_VERSION 0
454
455#define NFS4_DEBUG 1
456
457/* Index of predefined Linux client operations */
458
459enum {
460 NFSPROC4_CLNT_NULL = 0, /* Unused */
461 NFSPROC4_CLNT_READ,
462 NFSPROC4_CLNT_WRITE,
463 NFSPROC4_CLNT_COMMIT,
464 NFSPROC4_CLNT_OPEN,
465 NFSPROC4_CLNT_OPEN_CONFIRM,
466 NFSPROC4_CLNT_OPEN_NOATTR,
467 NFSPROC4_CLNT_OPEN_DOWNGRADE,
468 NFSPROC4_CLNT_CLOSE,
469 NFSPROC4_CLNT_SETATTR,
470 NFSPROC4_CLNT_FSINFO,
471 NFSPROC4_CLNT_RENEW,
472 NFSPROC4_CLNT_SETCLIENTID,
473 NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
474 NFSPROC4_CLNT_LOCK,
475 NFSPROC4_CLNT_LOCKT,
476 NFSPROC4_CLNT_LOCKU,
477 NFSPROC4_CLNT_ACCESS,
478 NFSPROC4_CLNT_GETATTR,
479 NFSPROC4_CLNT_LOOKUP,
480 NFSPROC4_CLNT_LOOKUP_ROOT,
481 NFSPROC4_CLNT_REMOVE,
482 NFSPROC4_CLNT_RENAME,
483 NFSPROC4_CLNT_LINK,
484 NFSPROC4_CLNT_SYMLINK,
485 NFSPROC4_CLNT_CREATE,
486 NFSPROC4_CLNT_PATHCONF,
487 NFSPROC4_CLNT_STATFS,
488 NFSPROC4_CLNT_READLINK,
489 NFSPROC4_CLNT_READDIR,
490 NFSPROC4_CLNT_SERVER_CAPS,
491 NFSPROC4_CLNT_DELEGRETURN,
492 NFSPROC4_CLNT_GETACL,
493 NFSPROC4_CLNT_SETACL,
494 NFSPROC4_CLNT_FS_LOCATIONS,
495 NFSPROC4_CLNT_RELEASE_LOCKOWNER,
496 NFSPROC4_CLNT_SECINFO,
497 NFSPROC4_CLNT_FSID_PRESENT,
498
499 /* nfs41 */
500 NFSPROC4_CLNT_EXCHANGE_ID,
501 NFSPROC4_CLNT_CREATE_SESSION,
502 NFSPROC4_CLNT_DESTROY_SESSION,
503 NFSPROC4_CLNT_SEQUENCE,
504 NFSPROC4_CLNT_GET_LEASE_TIME,
505 NFSPROC4_CLNT_RECLAIM_COMPLETE,
506 NFSPROC4_CLNT_LAYOUTGET,
507 NFSPROC4_CLNT_GETDEVICEINFO,
508 NFSPROC4_CLNT_LAYOUTCOMMIT,
509 NFSPROC4_CLNT_LAYOUTRETURN,
510 NFSPROC4_CLNT_SECINFO_NO_NAME,
511 NFSPROC4_CLNT_TEST_STATEID,
512 NFSPROC4_CLNT_FREE_STATEID,
513 NFSPROC4_CLNT_GETDEVICELIST,
514 NFSPROC4_CLNT_BIND_CONN_TO_SESSION,
515 NFSPROC4_CLNT_DESTROY_CLIENTID,
516
517 /* nfs42 */
518 NFSPROC4_CLNT_SEEK,
519 NFSPROC4_CLNT_ALLOCATE,
520 NFSPROC4_CLNT_DEALLOCATE,
521 NFSPROC4_CLNT_LAYOUTSTATS,
522 NFSPROC4_CLNT_CLONE,
523 NFSPROC4_CLNT_COPY,
524};
525
526/* nfs41 types */
527struct nfs4_sessionid {
528 unsigned char data[NFS4_MAX_SESSIONID_LEN];
529};
530
531/* Create Session Flags */
532#define SESSION4_PERSIST 0x001
533#define SESSION4_BACK_CHAN 0x002
534#define SESSION4_RDMA 0x004
535
536#define SESSION4_FLAG_MASK_A 0x007
537
538enum state_protect_how4 {
539 SP4_NONE = 0,
540 SP4_MACH_CRED = 1,
541 SP4_SSV = 2
542};
543
544enum pnfs_layouttype {
545 LAYOUT_NFSV4_1_FILES = 1,
546 LAYOUT_OSD2_OBJECTS = 2,
547 LAYOUT_BLOCK_VOLUME = 3,
548 LAYOUT_FLEX_FILES = 4,
549 LAYOUT_SCSI = 5,
550 LAYOUT_TYPE_MAX
551};
552
553/* used for both layout return and recall */
554enum pnfs_layoutreturn_type {
555 RETURN_FILE = 1,
556 RETURN_FSID = 2,
557 RETURN_ALL = 3
558};
559
560enum pnfs_iomode {
561 IOMODE_READ = 1,
562 IOMODE_RW = 2,
563 IOMODE_ANY = 3,
564};
565
566enum pnfs_notify_deviceid_type4 {
567 NOTIFY_DEVICEID4_CHANGE = 1 << 1,
568 NOTIFY_DEVICEID4_DELETE = 1 << 2,
569};
570
571enum pnfs_block_volume_type {
572 PNFS_BLOCK_VOLUME_SIMPLE = 0,
573 PNFS_BLOCK_VOLUME_SLICE = 1,
574 PNFS_BLOCK_VOLUME_CONCAT = 2,
575 PNFS_BLOCK_VOLUME_STRIPE = 3,
576 PNFS_BLOCK_VOLUME_SCSI = 4,
577};
578
579enum pnfs_block_extent_state {
580 PNFS_BLOCK_READWRITE_DATA = 0,
581 PNFS_BLOCK_READ_DATA = 1,
582 PNFS_BLOCK_INVALID_DATA = 2,
583 PNFS_BLOCK_NONE_DATA = 3,
584};
585
586/* on the wire size of a block layout extent */
587#define PNFS_BLOCK_EXTENT_SIZE \
588 (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE)
589
590/* on the wire size of a scsi commit range */
591#define PNFS_SCSI_RANGE_SIZE \
592 (4 * sizeof(__be32))
593
594enum scsi_code_set {
595 PS_CODE_SET_BINARY = 1,
596 PS_CODE_SET_ASCII = 2,
597 PS_CODE_SET_UTF8 = 3
598};
599
600enum scsi_designator_type {
601 PS_DESIGNATOR_T10 = 1,
602 PS_DESIGNATOR_EUI64 = 2,
603 PS_DESIGNATOR_NAA = 3,
604 PS_DESIGNATOR_NAME = 8
605};
606
607#define NFL4_UFLG_MASK 0x0000003F
608#define NFL4_UFLG_DENSE 0x00000001
609#define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002
610#define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0
611
612/* Encoded in the loh_body field of type layouthint4 */
613enum filelayout_hint_care4 {
614 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE,
615 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS,
616 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040,
617 NFLH4_CARE_STRIPE_COUNT = 0x00000080
618};
619
620#define NFS4_DEVICEID4_SIZE 16
621
622struct nfs4_deviceid {
623 char data[NFS4_DEVICEID4_SIZE];
624};
625
626enum data_content4 {
627 NFS4_CONTENT_DATA = 0,
628 NFS4_CONTENT_HOLE = 1,
629};
630
631enum pnfs_update_layout_reason {
632 PNFS_UPDATE_LAYOUT_UNKNOWN = 0,
633 PNFS_UPDATE_LAYOUT_NO_PNFS,
634 PNFS_UPDATE_LAYOUT_RD_ZEROLEN,
635 PNFS_UPDATE_LAYOUT_MDSTHRESH,
636 PNFS_UPDATE_LAYOUT_NOMEM,
637 PNFS_UPDATE_LAYOUT_BULK_RECALL,
638 PNFS_UPDATE_LAYOUT_IO_TEST_FAIL,
639 PNFS_UPDATE_LAYOUT_FOUND_CACHED,
640 PNFS_UPDATE_LAYOUT_RETURN,
641 PNFS_UPDATE_LAYOUT_RETRY,
642 PNFS_UPDATE_LAYOUT_BLOCKED,
643 PNFS_UPDATE_LAYOUT_INVALID_OPEN,
644 PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET,
645};
646
647#define NFS4_OP_MAP_NUM_LONGS \
648 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long))
649#define NFS4_OP_MAP_NUM_WORDS \
650 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32))
651struct nfs4_op_map {
652 union {
653 unsigned long longs[NFS4_OP_MAP_NUM_LONGS];
654 u32 words[NFS4_OP_MAP_NUM_WORDS];
655 } u;
656};
657
658#endif