1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * include/linux/nfs4.h
4 *
5 * NFSv4 protocol definitions.
6 *
7 * Copyright (c) 2002 The Regents of the University of Michigan.
8 * All rights reserved.
9 *
10 * Kendrick Smith <kmsmith@umich.edu>
11 * Andy Adamson <andros@umich.edu>
12 */
13#ifndef _LINUX_NFS4_H
14#define _LINUX_NFS4_H
15
16#include <linux/list.h>
17#include <linux/uidgid.h>
18#include <uapi/linux/nfs4.h>
19
20enum nfs4_acl_whotype {
21 NFS4_ACL_WHO_NAMED = 0,
22 NFS4_ACL_WHO_OWNER,
23 NFS4_ACL_WHO_GROUP,
24 NFS4_ACL_WHO_EVERYONE,
25};
26
27struct nfs4_ace {
28 uint32_t type;
29 uint32_t flag;
30 uint32_t access_mask;
31 int whotype;
32 union {
33 kuid_t who_uid;
34 kgid_t who_gid;
35 };
36};
37
38struct nfs4_acl {
39 uint32_t naces;
40 struct nfs4_ace aces[0];
41};
42
43#define NFS4_MAXLABELLEN 2048
44
45struct nfs4_label {
46 uint32_t lfs;
47 uint32_t pi;
48 u32 len;
49 char *label;
50};
51
52typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
53
54struct nfs4_stateid_struct {
55 union {
56 char data[NFS4_STATEID_SIZE];
57 struct {
58 __be32 seqid;
59 char other[NFS4_STATEID_OTHER_SIZE];
60 } __attribute__ ((packed));
61 };
62
63 enum {
64 NFS4_INVALID_STATEID_TYPE = 0,
65 NFS4_SPECIAL_STATEID_TYPE,
66 NFS4_OPEN_STATEID_TYPE,
67 NFS4_LOCK_STATEID_TYPE,
68 NFS4_DELEGATION_STATEID_TYPE,
69 NFS4_LAYOUT_STATEID_TYPE,
70 NFS4_PNFS_DS_STATEID_TYPE,
71 NFS4_REVOKED_STATEID_TYPE,
72 } type;
73};
74
75typedef struct nfs4_stateid_struct nfs4_stateid;
76
77enum nfs_opnum4 {
78 OP_ACCESS = 3,
79 OP_CLOSE = 4,
80 OP_COMMIT = 5,
81 OP_CREATE = 6,
82 OP_DELEGPURGE = 7,
83 OP_DELEGRETURN = 8,
84 OP_GETATTR = 9,
85 OP_GETFH = 10,
86 OP_LINK = 11,
87 OP_LOCK = 12,
88 OP_LOCKT = 13,
89 OP_LOCKU = 14,
90 OP_LOOKUP = 15,
91 OP_LOOKUPP = 16,
92 OP_NVERIFY = 17,
93 OP_OPEN = 18,
94 OP_OPENATTR = 19,
95 OP_OPEN_CONFIRM = 20,
96 OP_OPEN_DOWNGRADE = 21,
97 OP_PUTFH = 22,
98 OP_PUTPUBFH = 23,
99 OP_PUTROOTFH = 24,
100 OP_READ = 25,
101 OP_READDIR = 26,
102 OP_READLINK = 27,
103 OP_REMOVE = 28,
104 OP_RENAME = 29,
105 OP_RENEW = 30,
106 OP_RESTOREFH = 31,
107 OP_SAVEFH = 32,
108 OP_SECINFO = 33,
109 OP_SETATTR = 34,
110 OP_SETCLIENTID = 35,
111 OP_SETCLIENTID_CONFIRM = 36,
112 OP_VERIFY = 37,
113 OP_WRITE = 38,
114 OP_RELEASE_LOCKOWNER = 39,
115
116 /* nfs41 */
117 OP_BACKCHANNEL_CTL = 40,
118 OP_BIND_CONN_TO_SESSION = 41,
119 OP_EXCHANGE_ID = 42,
120 OP_CREATE_SESSION = 43,
121 OP_DESTROY_SESSION = 44,
122 OP_FREE_STATEID = 45,
123 OP_GET_DIR_DELEGATION = 46,
124 OP_GETDEVICEINFO = 47,
125 OP_GETDEVICELIST = 48,
126 OP_LAYOUTCOMMIT = 49,
127 OP_LAYOUTGET = 50,
128 OP_LAYOUTRETURN = 51,
129 OP_SECINFO_NO_NAME = 52,
130 OP_SEQUENCE = 53,
131 OP_SET_SSV = 54,
132 OP_TEST_STATEID = 55,
133 OP_WANT_DELEGATION = 56,
134 OP_DESTROY_CLIENTID = 57,
135 OP_RECLAIM_COMPLETE = 58,
136
137 /* nfs42 */
138 OP_ALLOCATE = 59,
139 OP_COPY = 60,
140 OP_COPY_NOTIFY = 61,
141 OP_DEALLOCATE = 62,
142 OP_IO_ADVISE = 63,
143 OP_LAYOUTERROR = 64,
144 OP_LAYOUTSTATS = 65,
145 OP_OFFLOAD_CANCEL = 66,
146 OP_OFFLOAD_STATUS = 67,
147 OP_READ_PLUS = 68,
148 OP_SEEK = 69,
149 OP_WRITE_SAME = 70,
150 OP_CLONE = 71,
151
152 OP_ILLEGAL = 10044,
153};
154
155/*Defining first and last NFS4 operations implemented.
156Needs to be updated if more operations are defined in future.*/
157
158#define FIRST_NFS4_OP OP_ACCESS
159#define LAST_NFS40_OP OP_RELEASE_LOCKOWNER
160#define LAST_NFS41_OP OP_RECLAIM_COMPLETE
161#define LAST_NFS42_OP OP_CLONE
162#define LAST_NFS4_OP LAST_NFS42_OP
163
164enum nfsstat4 {
165 NFS4_OK = 0,
166 NFS4ERR_PERM = 1,
167 NFS4ERR_NOENT = 2,
168 NFS4ERR_IO = 5,
169 NFS4ERR_NXIO = 6,
170 NFS4ERR_ACCESS = 13,
171 NFS4ERR_EXIST = 17,
172 NFS4ERR_XDEV = 18,
173 /* Unused/reserved 19 */
174 NFS4ERR_NOTDIR = 20,
175 NFS4ERR_ISDIR = 21,
176 NFS4ERR_INVAL = 22,
177 NFS4ERR_FBIG = 27,
178 NFS4ERR_NOSPC = 28,
179 NFS4ERR_ROFS = 30,
180 NFS4ERR_MLINK = 31,
181 NFS4ERR_NAMETOOLONG = 63,
182 NFS4ERR_NOTEMPTY = 66,
183 NFS4ERR_DQUOT = 69,
184 NFS4ERR_STALE = 70,
185 NFS4ERR_BADHANDLE = 10001,
186 NFS4ERR_BAD_COOKIE = 10003,
187 NFS4ERR_NOTSUPP = 10004,
188 NFS4ERR_TOOSMALL = 10005,
189 NFS4ERR_SERVERFAULT = 10006,
190 NFS4ERR_BADTYPE = 10007,
191 NFS4ERR_DELAY = 10008,
192 NFS4ERR_SAME = 10009,
193 NFS4ERR_DENIED = 10010,
194 NFS4ERR_EXPIRED = 10011,
195 NFS4ERR_LOCKED = 10012,
196 NFS4ERR_GRACE = 10013,
197 NFS4ERR_FHEXPIRED = 10014,
198 NFS4ERR_SHARE_DENIED = 10015,
199 NFS4ERR_WRONGSEC = 10016,
200 NFS4ERR_CLID_INUSE = 10017,
201 NFS4ERR_RESOURCE = 10018,
202 NFS4ERR_MOVED = 10019,
203 NFS4ERR_NOFILEHANDLE = 10020,
204 NFS4ERR_MINOR_VERS_MISMATCH = 10021,
205 NFS4ERR_STALE_CLIENTID = 10022,
206 NFS4ERR_STALE_STATEID = 10023,
207 NFS4ERR_OLD_STATEID = 10024,
208 NFS4ERR_BAD_STATEID = 10025,
209 NFS4ERR_BAD_SEQID = 10026,
210 NFS4ERR_NOT_SAME = 10027,
211 NFS4ERR_LOCK_RANGE = 10028,
212 NFS4ERR_SYMLINK = 10029,
213 NFS4ERR_RESTOREFH = 10030,
214 NFS4ERR_LEASE_MOVED = 10031,
215 NFS4ERR_ATTRNOTSUPP = 10032,
216 NFS4ERR_NO_GRACE = 10033,
217 NFS4ERR_RECLAIM_BAD = 10034,
218 NFS4ERR_RECLAIM_CONFLICT = 10035,
219 NFS4ERR_BADXDR = 10036,
220 NFS4ERR_LOCKS_HELD = 10037,
221 NFS4ERR_OPENMODE = 10038,
222 NFS4ERR_BADOWNER = 10039,
223 NFS4ERR_BADCHAR = 10040,
224 NFS4ERR_BADNAME = 10041,
225 NFS4ERR_BAD_RANGE = 10042,
226 NFS4ERR_LOCK_NOTSUPP = 10043,
227 NFS4ERR_OP_ILLEGAL = 10044,
228 NFS4ERR_DEADLOCK = 10045,
229 NFS4ERR_FILE_OPEN = 10046,
230 NFS4ERR_ADMIN_REVOKED = 10047,
231 NFS4ERR_CB_PATH_DOWN = 10048,
232
233 /* nfs41 */
234 NFS4ERR_BADIOMODE = 10049,
235 NFS4ERR_BADLAYOUT = 10050,
236 NFS4ERR_BAD_SESSION_DIGEST = 10051,
237 NFS4ERR_BADSESSION = 10052,
238 NFS4ERR_BADSLOT = 10053,
239 NFS4ERR_COMPLETE_ALREADY = 10054,
240 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055,
241 NFS4ERR_DELEG_ALREADY_WANTED = 10056,
242 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */
243 NFS4ERR_LAYOUTTRYLATER = 10058,
244 NFS4ERR_LAYOUTUNAVAILABLE = 10059,
245 NFS4ERR_NOMATCHING_LAYOUT = 10060,
246 NFS4ERR_RECALLCONFLICT = 10061,
247 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062,
248 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */
249 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */
250 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */
251 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */
252 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */
253 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */
254 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */
255 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */
256 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */
257 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */
258 /* Error 10073 is unused. */
259 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */
260 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */
261 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */
262 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */
263 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */
264 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */
265 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */
266 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */
267 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */
268 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */
269 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */
270 NFS4ERR_REJECT_DELEG = 10085, /* on callback */
271 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */
272 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */
273
274 /* nfs42 */
275 NFS4ERR_PARTNER_NOTSUPP = 10088,
276 NFS4ERR_PARTNER_NO_AUTH = 10089,
277 NFS4ERR_UNION_NOTSUPP = 10090,
278 NFS4ERR_OFFLOAD_DENIED = 10091,
279 NFS4ERR_WRONG_LFS = 10092,
280 NFS4ERR_BADLABEL = 10093,
281 NFS4ERR_OFFLOAD_NO_REQS = 10094,
282};
283
284static inline bool seqid_mutating_err(u32 err)
285{
286 /* See RFC 7530, section 9.1.7 */
287 switch (err) {
288 case NFS4ERR_STALE_CLIENTID:
289 case NFS4ERR_STALE_STATEID:
290 case NFS4ERR_BAD_STATEID:
291 case NFS4ERR_BAD_SEQID:
292 case NFS4ERR_BADXDR:
293 case NFS4ERR_RESOURCE:
294 case NFS4ERR_NOFILEHANDLE:
295 case NFS4ERR_MOVED:
296 return false;
297 };
298 return true;
299}
300
301/*
302 * Note: NF4BAD is not actually part of the protocol; it is just used
303 * internally by nfsd.
304 */
305enum nfs_ftype4 {
306 NF4BAD = 0,
307 NF4REG = 1, /* Regular File */
308 NF4DIR = 2, /* Directory */
309 NF4BLK = 3, /* Special File - block device */
310 NF4CHR = 4, /* Special File - character device */
311 NF4LNK = 5, /* Symbolic Link */
312 NF4SOCK = 6, /* Special File - socket */
313 NF4FIFO = 7, /* Special File - fifo */
314 NF4ATTRDIR = 8, /* Attribute Directory */
315 NF4NAMEDATTR = 9 /* Named Attribute */
316};
317
318enum open_claim_type4 {
319 NFS4_OPEN_CLAIM_NULL = 0,
320 NFS4_OPEN_CLAIM_PREVIOUS = 1,
321 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
322 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3,
323 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */
324 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */
325 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */
326};
327
328enum opentype4 {
329 NFS4_OPEN_NOCREATE = 0,
330 NFS4_OPEN_CREATE = 1
331};
332
333enum createmode4 {
334 NFS4_CREATE_UNCHECKED = 0,
335 NFS4_CREATE_GUARDED = 1,
336 NFS4_CREATE_EXCLUSIVE = 2,
337 /*
338 * New to NFSv4.1. If session is persistent,
339 * GUARDED4 MUST be used. Otherwise, use
340 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
341 */
342 NFS4_CREATE_EXCLUSIVE4_1 = 3
343};
344
345enum limit_by4 {
346 NFS4_LIMIT_SIZE = 1,
347 NFS4_LIMIT_BLOCKS = 2
348};
349
350enum open_delegation_type4 {
351 NFS4_OPEN_DELEGATE_NONE = 0,
352 NFS4_OPEN_DELEGATE_READ = 1,
353 NFS4_OPEN_DELEGATE_WRITE = 2,
354 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */
355};
356
357enum why_no_delegation4 { /* new to v4.1 */
358 WND4_NOT_WANTED = 0,
359 WND4_CONTENTION = 1,
360 WND4_RESOURCE = 2,
361 WND4_NOT_SUPP_FTYPE = 3,
362 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4,
363 WND4_NOT_SUPP_UPGRADE = 5,
364 WND4_NOT_SUPP_DOWNGRADE = 6,
365 WND4_CANCELLED = 7,
366 WND4_IS_DIR = 8,
367};
368
369enum lock_type4 {
370 NFS4_UNLOCK_LT = 0,
371 NFS4_READ_LT = 1,
372 NFS4_WRITE_LT = 2,
373 NFS4_READW_LT = 3,
374 NFS4_WRITEW_LT = 4
375};
376
377enum change_attr_type4 {
378 NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR = 0,
379 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER = 1,
380 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS = 2,
381 NFS4_CHANGE_TYPE_IS_TIME_METADATA = 3,
382 NFS4_CHANGE_TYPE_IS_UNDEFINED = 4
383};
384
385/* Mandatory Attributes */
386#define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
387#define FATTR4_WORD0_TYPE (1UL << 1)
388#define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
389#define FATTR4_WORD0_CHANGE (1UL << 3)
390#define FATTR4_WORD0_SIZE (1UL << 4)
391#define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
392#define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
393#define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
394#define FATTR4_WORD0_FSID (1UL << 8)
395#define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
396#define FATTR4_WORD0_LEASE_TIME (1UL << 10)
397#define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
398/* Mandatory in NFSv4.1 */
399#define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
400
401/* Recommended Attributes */
402#define FATTR4_WORD0_ACL (1UL << 12)
403#define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
404#define FATTR4_WORD0_ARCHIVE (1UL << 14)
405#define FATTR4_WORD0_CANSETTIME (1UL << 15)
406#define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
407#define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
408#define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
409#define FATTR4_WORD0_FILEHANDLE (1UL << 19)
410#define FATTR4_WORD0_FILEID (1UL << 20)
411#define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
412#define FATTR4_WORD0_FILES_FREE (1UL << 22)
413#define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
414#define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
415#define FATTR4_WORD0_HIDDEN (1UL << 25)
416#define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
417#define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
418#define FATTR4_WORD0_MAXLINK (1UL << 28)
419#define FATTR4_WORD0_MAXNAME (1UL << 29)
420#define FATTR4_WORD0_MAXREAD (1UL << 30)
421#define FATTR4_WORD0_MAXWRITE (1UL << 31)
422#define FATTR4_WORD1_MIMETYPE (1UL << 0)
423#define FATTR4_WORD1_MODE (1UL << 1)
424#define FATTR4_WORD1_NO_TRUNC (1UL << 2)
425#define FATTR4_WORD1_NUMLINKS (1UL << 3)
426#define FATTR4_WORD1_OWNER (1UL << 4)
427#define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
428#define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
429#define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
430#define FATTR4_WORD1_QUOTA_USED (1UL << 8)
431#define FATTR4_WORD1_RAWDEV (1UL << 9)
432#define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
433#define FATTR4_WORD1_SPACE_FREE (1UL << 11)
434#define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
435#define FATTR4_WORD1_SPACE_USED (1UL << 13)
436#define FATTR4_WORD1_SYSTEM (1UL << 14)
437#define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
438#define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
439#define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
440#define FATTR4_WORD1_TIME_CREATE (1UL << 18)
441#define FATTR4_WORD1_TIME_DELTA (1UL << 19)
442#define FATTR4_WORD1_TIME_METADATA (1UL << 20)
443#define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
444#define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
445#define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
446#define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
447#define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0)
448#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
449#define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4)
450#define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13)
451#define FATTR4_WORD2_CHANGE_ATTR_TYPE (1UL << 15)
452#define FATTR4_WORD2_SECURITY_LABEL (1UL << 16)
453#define FATTR4_WORD2_MODE_UMASK (1UL << 17)
454
455/* MDS threshold bitmap bits */
456#define THRESHOLD_RD (1UL << 0)
457#define THRESHOLD_WR (1UL << 1)
458#define THRESHOLD_RD_IO (1UL << 2)
459#define THRESHOLD_WR_IO (1UL << 3)
460
461#define NFSPROC4_NULL 0
462#define NFSPROC4_COMPOUND 1
463#define NFS4_VERSION 4
464#define NFS4_MINOR_VERSION 0
465
466#define NFS4_DEBUG 1
467
468/*
469 * Index of predefined Linux client operations
470 *
471 * To ensure that /proc/net/rpc/nfs remains correctly ordered, please
472 * append only to this enum when adding new client operations.
473 */
474
475enum {
476 NFSPROC4_CLNT_NULL = 0, /* Unused */
477 NFSPROC4_CLNT_READ,
478 NFSPROC4_CLNT_WRITE,
479 NFSPROC4_CLNT_COMMIT,
480 NFSPROC4_CLNT_OPEN,
481 NFSPROC4_CLNT_OPEN_CONFIRM,
482 NFSPROC4_CLNT_OPEN_NOATTR,
483 NFSPROC4_CLNT_OPEN_DOWNGRADE,
484 NFSPROC4_CLNT_CLOSE,
485 NFSPROC4_CLNT_SETATTR,
486 NFSPROC4_CLNT_FSINFO,
487 NFSPROC4_CLNT_RENEW,
488 NFSPROC4_CLNT_SETCLIENTID,
489 NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
490 NFSPROC4_CLNT_LOCK,
491 NFSPROC4_CLNT_LOCKT,
492 NFSPROC4_CLNT_LOCKU,
493 NFSPROC4_CLNT_ACCESS,
494 NFSPROC4_CLNT_GETATTR,
495 NFSPROC4_CLNT_LOOKUP,
496 NFSPROC4_CLNT_LOOKUP_ROOT,
497 NFSPROC4_CLNT_REMOVE,
498 NFSPROC4_CLNT_RENAME,
499 NFSPROC4_CLNT_LINK,
500 NFSPROC4_CLNT_SYMLINK,
501 NFSPROC4_CLNT_CREATE,
502 NFSPROC4_CLNT_PATHCONF,
503 NFSPROC4_CLNT_STATFS,
504 NFSPROC4_CLNT_READLINK,
505 NFSPROC4_CLNT_READDIR,
506 NFSPROC4_CLNT_SERVER_CAPS,
507 NFSPROC4_CLNT_DELEGRETURN,
508 NFSPROC4_CLNT_GETACL,
509 NFSPROC4_CLNT_SETACL,
510 NFSPROC4_CLNT_FS_LOCATIONS,
511 NFSPROC4_CLNT_RELEASE_LOCKOWNER,
512 NFSPROC4_CLNT_SECINFO,
513 NFSPROC4_CLNT_FSID_PRESENT,
514
515 NFSPROC4_CLNT_EXCHANGE_ID,
516 NFSPROC4_CLNT_CREATE_SESSION,
517 NFSPROC4_CLNT_DESTROY_SESSION,
518 NFSPROC4_CLNT_SEQUENCE,
519 NFSPROC4_CLNT_GET_LEASE_TIME,
520 NFSPROC4_CLNT_RECLAIM_COMPLETE,
521 NFSPROC4_CLNT_LAYOUTGET,
522 NFSPROC4_CLNT_GETDEVICEINFO,
523 NFSPROC4_CLNT_LAYOUTCOMMIT,
524 NFSPROC4_CLNT_LAYOUTRETURN,
525 NFSPROC4_CLNT_SECINFO_NO_NAME,
526 NFSPROC4_CLNT_TEST_STATEID,
527 NFSPROC4_CLNT_FREE_STATEID,
528 NFSPROC4_CLNT_GETDEVICELIST,
529 NFSPROC4_CLNT_BIND_CONN_TO_SESSION,
530 NFSPROC4_CLNT_DESTROY_CLIENTID,
531
532 NFSPROC4_CLNT_SEEK,
533 NFSPROC4_CLNT_ALLOCATE,
534 NFSPROC4_CLNT_DEALLOCATE,
535 NFSPROC4_CLNT_LAYOUTSTATS,
536 NFSPROC4_CLNT_CLONE,
537 NFSPROC4_CLNT_COPY,
538 NFSPROC4_CLNT_OFFLOAD_CANCEL,
539
540 NFSPROC4_CLNT_LOOKUPP,
541 NFSPROC4_CLNT_LAYOUTERROR,
542};
543
544/* nfs41 types */
545struct nfs4_sessionid {
546 unsigned char data[NFS4_MAX_SESSIONID_LEN];
547};
548
549/* Create Session Flags */
550#define SESSION4_PERSIST 0x001
551#define SESSION4_BACK_CHAN 0x002
552#define SESSION4_RDMA 0x004
553
554#define SESSION4_FLAG_MASK_A 0x007
555
556enum state_protect_how4 {
557 SP4_NONE = 0,
558 SP4_MACH_CRED = 1,
559 SP4_SSV = 2
560};
561
562enum pnfs_layouttype {
563 LAYOUT_NFSV4_1_FILES = 1,
564 LAYOUT_OSD2_OBJECTS = 2,
565 LAYOUT_BLOCK_VOLUME = 3,
566 LAYOUT_FLEX_FILES = 4,
567 LAYOUT_SCSI = 5,
568 LAYOUT_TYPE_MAX
569};
570
571/* used for both layout return and recall */
572enum pnfs_layoutreturn_type {
573 RETURN_FILE = 1,
574 RETURN_FSID = 2,
575 RETURN_ALL = 3
576};
577
578enum pnfs_iomode {
579 IOMODE_READ = 1,
580 IOMODE_RW = 2,
581 IOMODE_ANY = 3,
582};
583
584enum pnfs_notify_deviceid_type4 {
585 NOTIFY_DEVICEID4_CHANGE = 1 << 1,
586 NOTIFY_DEVICEID4_DELETE = 1 << 2,
587};
588
589enum pnfs_block_volume_type {
590 PNFS_BLOCK_VOLUME_SIMPLE = 0,
591 PNFS_BLOCK_VOLUME_SLICE = 1,
592 PNFS_BLOCK_VOLUME_CONCAT = 2,
593 PNFS_BLOCK_VOLUME_STRIPE = 3,
594 PNFS_BLOCK_VOLUME_SCSI = 4,
595};
596
597enum pnfs_block_extent_state {
598 PNFS_BLOCK_READWRITE_DATA = 0,
599 PNFS_BLOCK_READ_DATA = 1,
600 PNFS_BLOCK_INVALID_DATA = 2,
601 PNFS_BLOCK_NONE_DATA = 3,
602};
603
604/* on the wire size of a block layout extent */
605#define PNFS_BLOCK_EXTENT_SIZE \
606 (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE)
607
608/* on the wire size of a scsi commit range */
609#define PNFS_SCSI_RANGE_SIZE \
610 (4 * sizeof(__be32))
611
612enum scsi_code_set {
613 PS_CODE_SET_BINARY = 1,
614 PS_CODE_SET_ASCII = 2,
615 PS_CODE_SET_UTF8 = 3
616};
617
618enum scsi_designator_type {
619 PS_DESIGNATOR_T10 = 1,
620 PS_DESIGNATOR_EUI64 = 2,
621 PS_DESIGNATOR_NAA = 3,
622 PS_DESIGNATOR_NAME = 8
623};
624
625#define NFL4_UFLG_MASK 0x0000003F
626#define NFL4_UFLG_DENSE 0x00000001
627#define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002
628#define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0
629
630/* Encoded in the loh_body field of type layouthint4 */
631enum filelayout_hint_care4 {
632 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE,
633 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS,
634 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040,
635 NFLH4_CARE_STRIPE_COUNT = 0x00000080
636};
637
638#define NFS4_DEVICEID4_SIZE 16
639
640struct nfs4_deviceid {
641 char data[NFS4_DEVICEID4_SIZE];
642};
643
644enum data_content4 {
645 NFS4_CONTENT_DATA = 0,
646 NFS4_CONTENT_HOLE = 1,
647};
648
649enum pnfs_update_layout_reason {
650 PNFS_UPDATE_LAYOUT_UNKNOWN = 0,
651 PNFS_UPDATE_LAYOUT_NO_PNFS,
652 PNFS_UPDATE_LAYOUT_RD_ZEROLEN,
653 PNFS_UPDATE_LAYOUT_MDSTHRESH,
654 PNFS_UPDATE_LAYOUT_NOMEM,
655 PNFS_UPDATE_LAYOUT_BULK_RECALL,
656 PNFS_UPDATE_LAYOUT_IO_TEST_FAIL,
657 PNFS_UPDATE_LAYOUT_FOUND_CACHED,
658 PNFS_UPDATE_LAYOUT_RETURN,
659 PNFS_UPDATE_LAYOUT_RETRY,
660 PNFS_UPDATE_LAYOUT_BLOCKED,
661 PNFS_UPDATE_LAYOUT_INVALID_OPEN,
662 PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET,
663};
664
665#define NFS4_OP_MAP_NUM_LONGS \
666 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long))
667#define NFS4_OP_MAP_NUM_WORDS \
668 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32))
669struct nfs4_op_map {
670 union {
671 unsigned long longs[NFS4_OP_MAP_NUM_LONGS];
672 u32 words[NFS4_OP_MAP_NUM_WORDS];
673 } u;
674};
675
676#endif
677