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 | #include <linux/sunrpc/msg_prot.h> |
20 | |
21 | enum nfs4_acl_whotype { |
22 | NFS4_ACL_WHO_NAMED = 0, |
23 | NFS4_ACL_WHO_OWNER, |
24 | NFS4_ACL_WHO_GROUP, |
25 | NFS4_ACL_WHO_EVERYONE, |
26 | }; |
27 | |
28 | struct nfs4_ace { |
29 | uint32_t type; |
30 | uint32_t flag; |
31 | uint32_t access_mask; |
32 | int whotype; |
33 | union { |
34 | kuid_t who_uid; |
35 | kgid_t who_gid; |
36 | }; |
37 | }; |
38 | |
39 | struct nfs4_acl { |
40 | uint32_t naces; |
41 | struct nfs4_ace aces[]; |
42 | }; |
43 | |
44 | #define NFS4_MAXLABELLEN 2048 |
45 | |
46 | struct nfs4_label { |
47 | uint32_t lfs; |
48 | uint32_t pi; |
49 | u32 len; |
50 | char *label; |
51 | }; |
52 | |
53 | typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier; |
54 | |
55 | struct nfs4_stateid_struct { |
56 | union { |
57 | char data[NFS4_STATEID_SIZE]; |
58 | struct { |
59 | __be32 seqid; |
60 | char other[NFS4_STATEID_OTHER_SIZE]; |
61 | } __attribute__ ((packed)); |
62 | }; |
63 | |
64 | enum { |
65 | NFS4_INVALID_STATEID_TYPE = 0, |
66 | NFS4_SPECIAL_STATEID_TYPE, |
67 | NFS4_OPEN_STATEID_TYPE, |
68 | NFS4_LOCK_STATEID_TYPE, |
69 | NFS4_DELEGATION_STATEID_TYPE, |
70 | NFS4_LAYOUT_STATEID_TYPE, |
71 | NFS4_PNFS_DS_STATEID_TYPE, |
72 | NFS4_REVOKED_STATEID_TYPE, |
73 | } type; |
74 | }; |
75 | |
76 | typedef struct nfs4_stateid_struct nfs4_stateid; |
77 | |
78 | enum nfs_opnum4 { |
79 | OP_ACCESS = 3, |
80 | OP_CLOSE = 4, |
81 | OP_COMMIT = 5, |
82 | OP_CREATE = 6, |
83 | OP_DELEGPURGE = 7, |
84 | OP_DELEGRETURN = 8, |
85 | OP_GETATTR = 9, |
86 | OP_GETFH = 10, |
87 | OP_LINK = 11, |
88 | OP_LOCK = 12, |
89 | OP_LOCKT = 13, |
90 | OP_LOCKU = 14, |
91 | OP_LOOKUP = 15, |
92 | OP_LOOKUPP = 16, |
93 | OP_NVERIFY = 17, |
94 | OP_OPEN = 18, |
95 | OP_OPENATTR = 19, |
96 | OP_OPEN_CONFIRM = 20, |
97 | OP_OPEN_DOWNGRADE = 21, |
98 | OP_PUTFH = 22, |
99 | OP_PUTPUBFH = 23, |
100 | OP_PUTROOTFH = 24, |
101 | OP_READ = 25, |
102 | OP_READDIR = 26, |
103 | OP_READLINK = 27, |
104 | OP_REMOVE = 28, |
105 | OP_RENAME = 29, |
106 | OP_RENEW = 30, |
107 | OP_RESTOREFH = 31, |
108 | OP_SAVEFH = 32, |
109 | OP_SECINFO = 33, |
110 | OP_SETATTR = 34, |
111 | OP_SETCLIENTID = 35, |
112 | OP_SETCLIENTID_CONFIRM = 36, |
113 | OP_VERIFY = 37, |
114 | OP_WRITE = 38, |
115 | OP_RELEASE_LOCKOWNER = 39, |
116 | |
117 | /* nfs41 */ |
118 | OP_BACKCHANNEL_CTL = 40, |
119 | OP_BIND_CONN_TO_SESSION = 41, |
120 | OP_EXCHANGE_ID = 42, |
121 | OP_CREATE_SESSION = 43, |
122 | OP_DESTROY_SESSION = 44, |
123 | OP_FREE_STATEID = 45, |
124 | OP_GET_DIR_DELEGATION = 46, |
125 | OP_GETDEVICEINFO = 47, |
126 | OP_GETDEVICELIST = 48, |
127 | OP_LAYOUTCOMMIT = 49, |
128 | OP_LAYOUTGET = 50, |
129 | OP_LAYOUTRETURN = 51, |
130 | OP_SECINFO_NO_NAME = 52, |
131 | OP_SEQUENCE = 53, |
132 | OP_SET_SSV = 54, |
133 | OP_TEST_STATEID = 55, |
134 | OP_WANT_DELEGATION = 56, |
135 | OP_DESTROY_CLIENTID = 57, |
136 | OP_RECLAIM_COMPLETE = 58, |
137 | |
138 | /* nfs42 */ |
139 | OP_ALLOCATE = 59, |
140 | OP_COPY = 60, |
141 | OP_COPY_NOTIFY = 61, |
142 | OP_DEALLOCATE = 62, |
143 | OP_IO_ADVISE = 63, |
144 | OP_LAYOUTERROR = 64, |
145 | OP_LAYOUTSTATS = 65, |
146 | OP_OFFLOAD_CANCEL = 66, |
147 | OP_OFFLOAD_STATUS = 67, |
148 | OP_READ_PLUS = 68, |
149 | OP_SEEK = 69, |
150 | OP_WRITE_SAME = 70, |
151 | OP_CLONE = 71, |
152 | |
153 | /* xattr support (RFC8276) */ |
154 | OP_GETXATTR = 72, |
155 | OP_SETXATTR = 73, |
156 | OP_LISTXATTRS = 74, |
157 | OP_REMOVEXATTR = 75, |
158 | |
159 | OP_ILLEGAL = 10044, |
160 | }; |
161 | |
162 | /*Defining first and last NFS4 operations implemented. |
163 | Needs to be updated if more operations are defined in future.*/ |
164 | |
165 | #define FIRST_NFS4_OP OP_ACCESS |
166 | #define LAST_NFS40_OP OP_RELEASE_LOCKOWNER |
167 | #define LAST_NFS41_OP OP_RECLAIM_COMPLETE |
168 | #define LAST_NFS42_OP OP_REMOVEXATTR |
169 | #define LAST_NFS4_OP LAST_NFS42_OP |
170 | |
171 | enum nfsstat4 { |
172 | NFS4_OK = 0, |
173 | NFS4ERR_PERM = 1, |
174 | NFS4ERR_NOENT = 2, |
175 | NFS4ERR_IO = 5, |
176 | NFS4ERR_NXIO = 6, |
177 | NFS4ERR_ACCESS = 13, |
178 | NFS4ERR_EXIST = 17, |
179 | NFS4ERR_XDEV = 18, |
180 | /* Unused/reserved 19 */ |
181 | NFS4ERR_NOTDIR = 20, |
182 | NFS4ERR_ISDIR = 21, |
183 | NFS4ERR_INVAL = 22, |
184 | NFS4ERR_FBIG = 27, |
185 | NFS4ERR_NOSPC = 28, |
186 | NFS4ERR_ROFS = 30, |
187 | NFS4ERR_MLINK = 31, |
188 | NFS4ERR_NAMETOOLONG = 63, |
189 | NFS4ERR_NOTEMPTY = 66, |
190 | NFS4ERR_DQUOT = 69, |
191 | NFS4ERR_STALE = 70, |
192 | NFS4ERR_BADHANDLE = 10001, |
193 | NFS4ERR_BAD_COOKIE = 10003, |
194 | NFS4ERR_NOTSUPP = 10004, |
195 | NFS4ERR_TOOSMALL = 10005, |
196 | NFS4ERR_SERVERFAULT = 10006, |
197 | NFS4ERR_BADTYPE = 10007, |
198 | NFS4ERR_DELAY = 10008, |
199 | NFS4ERR_SAME = 10009, |
200 | NFS4ERR_DENIED = 10010, |
201 | NFS4ERR_EXPIRED = 10011, |
202 | NFS4ERR_LOCKED = 10012, |
203 | NFS4ERR_GRACE = 10013, |
204 | NFS4ERR_FHEXPIRED = 10014, |
205 | NFS4ERR_SHARE_DENIED = 10015, |
206 | NFS4ERR_WRONGSEC = 10016, |
207 | NFS4ERR_CLID_INUSE = 10017, |
208 | NFS4ERR_RESOURCE = 10018, |
209 | NFS4ERR_MOVED = 10019, |
210 | NFS4ERR_NOFILEHANDLE = 10020, |
211 | NFS4ERR_MINOR_VERS_MISMATCH = 10021, |
212 | NFS4ERR_STALE_CLIENTID = 10022, |
213 | NFS4ERR_STALE_STATEID = 10023, |
214 | NFS4ERR_OLD_STATEID = 10024, |
215 | NFS4ERR_BAD_STATEID = 10025, |
216 | NFS4ERR_BAD_SEQID = 10026, |
217 | NFS4ERR_NOT_SAME = 10027, |
218 | NFS4ERR_LOCK_RANGE = 10028, |
219 | NFS4ERR_SYMLINK = 10029, |
220 | NFS4ERR_RESTOREFH = 10030, |
221 | NFS4ERR_LEASE_MOVED = 10031, |
222 | NFS4ERR_ATTRNOTSUPP = 10032, |
223 | NFS4ERR_NO_GRACE = 10033, |
224 | NFS4ERR_RECLAIM_BAD = 10034, |
225 | NFS4ERR_RECLAIM_CONFLICT = 10035, |
226 | NFS4ERR_BADXDR = 10036, |
227 | NFS4ERR_LOCKS_HELD = 10037, |
228 | NFS4ERR_OPENMODE = 10038, |
229 | NFS4ERR_BADOWNER = 10039, |
230 | NFS4ERR_BADCHAR = 10040, |
231 | NFS4ERR_BADNAME = 10041, |
232 | NFS4ERR_BAD_RANGE = 10042, |
233 | NFS4ERR_LOCK_NOTSUPP = 10043, |
234 | NFS4ERR_OP_ILLEGAL = 10044, |
235 | NFS4ERR_DEADLOCK = 10045, |
236 | NFS4ERR_FILE_OPEN = 10046, |
237 | NFS4ERR_ADMIN_REVOKED = 10047, |
238 | NFS4ERR_CB_PATH_DOWN = 10048, |
239 | |
240 | /* nfs41 */ |
241 | NFS4ERR_BADIOMODE = 10049, |
242 | NFS4ERR_BADLAYOUT = 10050, |
243 | NFS4ERR_BAD_SESSION_DIGEST = 10051, |
244 | NFS4ERR_BADSESSION = 10052, |
245 | NFS4ERR_BADSLOT = 10053, |
246 | NFS4ERR_COMPLETE_ALREADY = 10054, |
247 | NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055, |
248 | NFS4ERR_DELEG_ALREADY_WANTED = 10056, |
249 | NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */ |
250 | NFS4ERR_LAYOUTTRYLATER = 10058, |
251 | NFS4ERR_LAYOUTUNAVAILABLE = 10059, |
252 | NFS4ERR_NOMATCHING_LAYOUT = 10060, |
253 | NFS4ERR_RECALLCONFLICT = 10061, |
254 | NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062, |
255 | NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */ |
256 | NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */ |
257 | NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */ |
258 | NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */ |
259 | NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */ |
260 | NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */ |
261 | NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */ |
262 | NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */ |
263 | NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */ |
264 | NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */ |
265 | /* Error 10073 is unused. */ |
266 | NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */ |
267 | NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */ |
268 | NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */ |
269 | NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */ |
270 | NFS4ERR_DEADSESSION = 10078, /* persistent session dead */ |
271 | NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */ |
272 | NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */ |
273 | NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */ |
274 | NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */ |
275 | NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */ |
276 | NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */ |
277 | NFS4ERR_REJECT_DELEG = 10085, /* on callback */ |
278 | NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */ |
279 | NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */ |
280 | |
281 | /* nfs42 */ |
282 | NFS4ERR_PARTNER_NOTSUPP = 10088, |
283 | NFS4ERR_PARTNER_NO_AUTH = 10089, |
284 | NFS4ERR_UNION_NOTSUPP = 10090, |
285 | NFS4ERR_OFFLOAD_DENIED = 10091, |
286 | NFS4ERR_WRONG_LFS = 10092, |
287 | NFS4ERR_BADLABEL = 10093, |
288 | NFS4ERR_OFFLOAD_NO_REQS = 10094, |
289 | |
290 | /* xattr (RFC8276) */ |
291 | NFS4ERR_NOXATTR = 10095, |
292 | NFS4ERR_XATTR2BIG = 10096, |
293 | }; |
294 | |
295 | /* error codes for internal client use */ |
296 | #define NFS4ERR_RESET_TO_MDS 12001 |
297 | #define NFS4ERR_RESET_TO_PNFS 12002 |
298 | |
299 | static inline bool seqid_mutating_err(u32 err) |
300 | { |
301 | /* See RFC 7530, section 9.1.7 */ |
302 | switch (err) { |
303 | case NFS4ERR_STALE_CLIENTID: |
304 | case NFS4ERR_STALE_STATEID: |
305 | case NFS4ERR_BAD_STATEID: |
306 | case NFS4ERR_BAD_SEQID: |
307 | case NFS4ERR_BADXDR: |
308 | case NFS4ERR_RESOURCE: |
309 | case NFS4ERR_NOFILEHANDLE: |
310 | case NFS4ERR_MOVED: |
311 | return false; |
312 | } |
313 | return true; |
314 | } |
315 | |
316 | /* |
317 | * Note: NF4BAD is not actually part of the protocol; it is just used |
318 | * internally by nfsd. |
319 | */ |
320 | enum nfs_ftype4 { |
321 | NF4BAD = 0, |
322 | NF4REG = 1, /* Regular File */ |
323 | NF4DIR = 2, /* Directory */ |
324 | NF4BLK = 3, /* Special File - block device */ |
325 | NF4CHR = 4, /* Special File - character device */ |
326 | NF4LNK = 5, /* Symbolic Link */ |
327 | NF4SOCK = 6, /* Special File - socket */ |
328 | NF4FIFO = 7, /* Special File - fifo */ |
329 | NF4ATTRDIR = 8, /* Attribute Directory */ |
330 | NF4NAMEDATTR = 9 /* Named Attribute */ |
331 | }; |
332 | |
333 | enum open_claim_type4 { |
334 | NFS4_OPEN_CLAIM_NULL = 0, |
335 | NFS4_OPEN_CLAIM_PREVIOUS = 1, |
336 | NFS4_OPEN_CLAIM_DELEGATE_CUR = 2, |
337 | NFS4_OPEN_CLAIM_DELEGATE_PREV = 3, |
338 | NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */ |
339 | NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */ |
340 | NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */ |
341 | }; |
342 | |
343 | enum opentype4 { |
344 | NFS4_OPEN_NOCREATE = 0, |
345 | NFS4_OPEN_CREATE = 1 |
346 | }; |
347 | |
348 | enum createmode4 { |
349 | NFS4_CREATE_UNCHECKED = 0, |
350 | NFS4_CREATE_GUARDED = 1, |
351 | NFS4_CREATE_EXCLUSIVE = 2, |
352 | /* |
353 | * New to NFSv4.1. If session is persistent, |
354 | * GUARDED4 MUST be used. Otherwise, use |
355 | * EXCLUSIVE4_1 instead of EXCLUSIVE4. |
356 | */ |
357 | NFS4_CREATE_EXCLUSIVE4_1 = 3 |
358 | }; |
359 | |
360 | enum limit_by4 { |
361 | NFS4_LIMIT_SIZE = 1, |
362 | NFS4_LIMIT_BLOCKS = 2 |
363 | }; |
364 | |
365 | enum open_delegation_type4 { |
366 | NFS4_OPEN_DELEGATE_NONE = 0, |
367 | NFS4_OPEN_DELEGATE_READ = 1, |
368 | NFS4_OPEN_DELEGATE_WRITE = 2, |
369 | NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */ |
370 | }; |
371 | |
372 | enum why_no_delegation4 { /* new to v4.1 */ |
373 | WND4_NOT_WANTED = 0, |
374 | WND4_CONTENTION = 1, |
375 | WND4_RESOURCE = 2, |
376 | WND4_NOT_SUPP_FTYPE = 3, |
377 | WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4, |
378 | WND4_NOT_SUPP_UPGRADE = 5, |
379 | WND4_NOT_SUPP_DOWNGRADE = 6, |
380 | WND4_CANCELLED = 7, |
381 | WND4_IS_DIR = 8, |
382 | }; |
383 | |
384 | enum lock_type4 { |
385 | NFS4_UNLOCK_LT = 0, |
386 | NFS4_READ_LT = 1, |
387 | NFS4_WRITE_LT = 2, |
388 | NFS4_READW_LT = 3, |
389 | NFS4_WRITEW_LT = 4 |
390 | }; |
391 | |
392 | /* |
393 | * Symbol names and values are from RFC 7531 Section 2. |
394 | * "XDR Description of NFSv4.0" |
395 | */ |
396 | enum { |
397 | FATTR4_SUPPORTED_ATTRS = 0, |
398 | FATTR4_TYPE = 1, |
399 | FATTR4_FH_EXPIRE_TYPE = 2, |
400 | FATTR4_CHANGE = 3, |
401 | FATTR4_SIZE = 4, |
402 | FATTR4_LINK_SUPPORT = 5, |
403 | FATTR4_SYMLINK_SUPPORT = 6, |
404 | FATTR4_NAMED_ATTR = 7, |
405 | FATTR4_FSID = 8, |
406 | FATTR4_UNIQUE_HANDLES = 9, |
407 | FATTR4_LEASE_TIME = 10, |
408 | FATTR4_RDATTR_ERROR = 11, |
409 | FATTR4_ACL = 12, |
410 | FATTR4_ACLSUPPORT = 13, |
411 | FATTR4_ARCHIVE = 14, |
412 | FATTR4_CANSETTIME = 15, |
413 | FATTR4_CASE_INSENSITIVE = 16, |
414 | FATTR4_CASE_PRESERVING = 17, |
415 | FATTR4_CHOWN_RESTRICTED = 18, |
416 | FATTR4_FILEHANDLE = 19, |
417 | FATTR4_FILEID = 20, |
418 | FATTR4_FILES_AVAIL = 21, |
419 | FATTR4_FILES_FREE = 22, |
420 | FATTR4_FILES_TOTAL = 23, |
421 | FATTR4_FS_LOCATIONS = 24, |
422 | FATTR4_HIDDEN = 25, |
423 | FATTR4_HOMOGENEOUS = 26, |
424 | FATTR4_MAXFILESIZE = 27, |
425 | FATTR4_MAXLINK = 28, |
426 | FATTR4_MAXNAME = 29, |
427 | FATTR4_MAXREAD = 30, |
428 | FATTR4_MAXWRITE = 31, |
429 | FATTR4_MIMETYPE = 32, |
430 | FATTR4_MODE = 33, |
431 | FATTR4_NO_TRUNC = 34, |
432 | FATTR4_NUMLINKS = 35, |
433 | FATTR4_OWNER = 36, |
434 | FATTR4_OWNER_GROUP = 37, |
435 | FATTR4_QUOTA_AVAIL_HARD = 38, |
436 | FATTR4_QUOTA_AVAIL_SOFT = 39, |
437 | FATTR4_QUOTA_USED = 40, |
438 | FATTR4_RAWDEV = 41, |
439 | FATTR4_SPACE_AVAIL = 42, |
440 | FATTR4_SPACE_FREE = 43, |
441 | FATTR4_SPACE_TOTAL = 44, |
442 | FATTR4_SPACE_USED = 45, |
443 | FATTR4_SYSTEM = 46, |
444 | FATTR4_TIME_ACCESS = 47, |
445 | FATTR4_TIME_ACCESS_SET = 48, |
446 | FATTR4_TIME_BACKUP = 49, |
447 | FATTR4_TIME_CREATE = 50, |
448 | FATTR4_TIME_DELTA = 51, |
449 | FATTR4_TIME_METADATA = 52, |
450 | FATTR4_TIME_MODIFY = 53, |
451 | FATTR4_TIME_MODIFY_SET = 54, |
452 | FATTR4_MOUNTED_ON_FILEID = 55, |
453 | }; |
454 | |
455 | /* |
456 | * Symbol names and values are from RFC 5662 Section 2. |
457 | * "XDR Description of NFSv4.1" |
458 | */ |
459 | enum { |
460 | FATTR4_DIR_NOTIF_DELAY = 56, |
461 | FATTR4_DIRENT_NOTIF_DELAY = 57, |
462 | FATTR4_DACL = 58, |
463 | FATTR4_SACL = 59, |
464 | FATTR4_CHANGE_POLICY = 60, |
465 | FATTR4_FS_STATUS = 61, |
466 | FATTR4_FS_LAYOUT_TYPES = 62, |
467 | FATTR4_LAYOUT_HINT = 63, |
468 | FATTR4_LAYOUT_TYPES = 64, |
469 | FATTR4_LAYOUT_BLKSIZE = 65, |
470 | FATTR4_LAYOUT_ALIGNMENT = 66, |
471 | FATTR4_FS_LOCATIONS_INFO = 67, |
472 | FATTR4_MDSTHRESHOLD = 68, |
473 | FATTR4_RETENTION_GET = 69, |
474 | FATTR4_RETENTION_SET = 70, |
475 | FATTR4_RETENTEVT_GET = 71, |
476 | FATTR4_RETENTEVT_SET = 72, |
477 | FATTR4_RETENTION_HOLD = 73, |
478 | FATTR4_MODE_SET_MASKED = 74, |
479 | FATTR4_SUPPATTR_EXCLCREAT = 75, |
480 | FATTR4_FS_CHARSET_CAP = 76, |
481 | }; |
482 | |
483 | /* |
484 | * Symbol names and values are from RFC 7863 Section 2. |
485 | * "XDR Description of NFSv4.2" |
486 | */ |
487 | enum { |
488 | FATTR4_CLONE_BLKSIZE = 77, |
489 | FATTR4_SPACE_FREED = 78, |
490 | FATTR4_CHANGE_ATTR_TYPE = 79, |
491 | FATTR4_SEC_LABEL = 80, |
492 | }; |
493 | |
494 | /* |
495 | * Symbol names and values are from RFC 8275 Section 5. |
496 | * "The mode_umask Attribute" |
497 | */ |
498 | enum { |
499 | FATTR4_MODE_UMASK = 81, |
500 | }; |
501 | |
502 | /* |
503 | * Symbol names and values are from RFC 8276 Section 8.6. |
504 | * "Numeric Values Assigned to Protocol Extensions" |
505 | */ |
506 | enum { |
507 | FATTR4_XATTR_SUPPORT = 82, |
508 | }; |
509 | |
510 | /* |
511 | * The following internal definitions enable processing the above |
512 | * attribute bits within 32-bit word boundaries. |
513 | */ |
514 | |
515 | /* Mandatory Attributes */ |
516 | #define FATTR4_WORD0_SUPPORTED_ATTRS BIT(FATTR4_SUPPORTED_ATTRS) |
517 | #define FATTR4_WORD0_TYPE BIT(FATTR4_TYPE) |
518 | #define FATTR4_WORD0_FH_EXPIRE_TYPE BIT(FATTR4_FH_EXPIRE_TYPE) |
519 | #define FATTR4_WORD0_CHANGE BIT(FATTR4_CHANGE) |
520 | #define FATTR4_WORD0_SIZE BIT(FATTR4_SIZE) |
521 | #define FATTR4_WORD0_LINK_SUPPORT BIT(FATTR4_LINK_SUPPORT) |
522 | #define FATTR4_WORD0_SYMLINK_SUPPORT BIT(FATTR4_SYMLINK_SUPPORT) |
523 | #define FATTR4_WORD0_NAMED_ATTR BIT(FATTR4_NAMED_ATTR) |
524 | #define FATTR4_WORD0_FSID BIT(FATTR4_FSID) |
525 | #define FATTR4_WORD0_UNIQUE_HANDLES BIT(FATTR4_UNIQUE_HANDLES) |
526 | #define FATTR4_WORD0_LEASE_TIME BIT(FATTR4_LEASE_TIME) |
527 | #define FATTR4_WORD0_RDATTR_ERROR BIT(FATTR4_RDATTR_ERROR) |
528 | /* Mandatory in NFSv4.1 */ |
529 | #define FATTR4_WORD2_SUPPATTR_EXCLCREAT BIT(FATTR4_SUPPATTR_EXCLCREAT - 64) |
530 | |
531 | /* Recommended Attributes */ |
532 | #define FATTR4_WORD0_ACL BIT(FATTR4_ACL) |
533 | #define FATTR4_WORD0_ACLSUPPORT BIT(FATTR4_ACLSUPPORT) |
534 | #define FATTR4_WORD0_ARCHIVE BIT(FATTR4_ARCHIVE) |
535 | #define FATTR4_WORD0_CANSETTIME BIT(FATTR4_CANSETTIME) |
536 | #define FATTR4_WORD0_CASE_INSENSITIVE BIT(FATTR4_CASE_INSENSITIVE) |
537 | #define FATTR4_WORD0_CASE_PRESERVING BIT(FATTR4_CASE_PRESERVING) |
538 | #define FATTR4_WORD0_CHOWN_RESTRICTED BIT(FATTR4_CHOWN_RESTRICTED) |
539 | #define FATTR4_WORD0_FILEHANDLE BIT(FATTR4_FILEHANDLE) |
540 | #define FATTR4_WORD0_FILEID BIT(FATTR4_FILEID) |
541 | #define FATTR4_WORD0_FILES_AVAIL BIT(FATTR4_FILES_AVAIL) |
542 | #define FATTR4_WORD0_FILES_FREE BIT(FATTR4_FILES_FREE) |
543 | #define FATTR4_WORD0_FILES_TOTAL BIT(FATTR4_FILES_TOTAL) |
544 | #define FATTR4_WORD0_FS_LOCATIONS BIT(FATTR4_FS_LOCATIONS) |
545 | #define FATTR4_WORD0_HIDDEN BIT(FATTR4_HIDDEN) |
546 | #define FATTR4_WORD0_HOMOGENEOUS BIT(FATTR4_HOMOGENEOUS) |
547 | #define FATTR4_WORD0_MAXFILESIZE BIT(FATTR4_MAXFILESIZE) |
548 | #define FATTR4_WORD0_MAXLINK BIT(FATTR4_MAXLINK) |
549 | #define FATTR4_WORD0_MAXNAME BIT(FATTR4_MAXNAME) |
550 | #define FATTR4_WORD0_MAXREAD BIT(FATTR4_MAXREAD) |
551 | #define FATTR4_WORD0_MAXWRITE BIT(FATTR4_MAXWRITE) |
552 | |
553 | #define FATTR4_WORD1_MIMETYPE BIT(FATTR4_MIMETYPE - 32) |
554 | #define FATTR4_WORD1_MODE BIT(FATTR4_MODE - 32) |
555 | #define FATTR4_WORD1_NO_TRUNC BIT(FATTR4_NO_TRUNC - 32) |
556 | #define FATTR4_WORD1_NUMLINKS BIT(FATTR4_NUMLINKS - 32) |
557 | #define FATTR4_WORD1_OWNER BIT(FATTR4_OWNER - 32) |
558 | #define FATTR4_WORD1_OWNER_GROUP BIT(FATTR4_OWNER_GROUP - 32) |
559 | #define FATTR4_WORD1_QUOTA_HARD BIT(FATTR4_QUOTA_AVAIL_HARD - 32) |
560 | #define FATTR4_WORD1_QUOTA_SOFT BIT(FATTR4_QUOTA_AVAIL_SOFT - 32) |
561 | #define FATTR4_WORD1_QUOTA_USED BIT(FATTR4_QUOTA_USED - 32) |
562 | #define FATTR4_WORD1_RAWDEV BIT(FATTR4_RAWDEV - 32) |
563 | #define FATTR4_WORD1_SPACE_AVAIL BIT(FATTR4_SPACE_AVAIL - 32) |
564 | #define FATTR4_WORD1_SPACE_FREE BIT(FATTR4_SPACE_FREE - 32) |
565 | #define FATTR4_WORD1_SPACE_TOTAL BIT(FATTR4_SPACE_TOTAL - 32) |
566 | #define FATTR4_WORD1_SPACE_USED BIT(FATTR4_SPACE_USED - 32) |
567 | #define FATTR4_WORD1_SYSTEM BIT(FATTR4_SYSTEM - 32) |
568 | #define FATTR4_WORD1_TIME_ACCESS BIT(FATTR4_TIME_ACCESS - 32) |
569 | #define FATTR4_WORD1_TIME_ACCESS_SET BIT(FATTR4_TIME_ACCESS_SET - 32) |
570 | #define FATTR4_WORD1_TIME_BACKUP BIT(FATTR4_TIME_BACKUP - 32) |
571 | #define FATTR4_WORD1_TIME_CREATE BIT(FATTR4_TIME_CREATE - 32) |
572 | #define FATTR4_WORD1_TIME_DELTA BIT(FATTR4_TIME_DELTA - 32) |
573 | #define FATTR4_WORD1_TIME_METADATA BIT(FATTR4_TIME_METADATA - 32) |
574 | #define FATTR4_WORD1_TIME_MODIFY BIT(FATTR4_TIME_MODIFY - 32) |
575 | #define FATTR4_WORD1_TIME_MODIFY_SET BIT(FATTR4_TIME_MODIFY_SET - 32) |
576 | #define FATTR4_WORD1_MOUNTED_ON_FILEID BIT(FATTR4_MOUNTED_ON_FILEID - 32) |
577 | #define FATTR4_WORD1_DACL BIT(FATTR4_DACL - 32) |
578 | #define FATTR4_WORD1_SACL BIT(FATTR4_SACL - 32) |
579 | #define FATTR4_WORD1_FS_LAYOUT_TYPES BIT(FATTR4_FS_LAYOUT_TYPES - 32) |
580 | |
581 | #define FATTR4_WORD2_LAYOUT_TYPES BIT(FATTR4_LAYOUT_TYPES - 64) |
582 | #define FATTR4_WORD2_LAYOUT_BLKSIZE BIT(FATTR4_LAYOUT_BLKSIZE - 64) |
583 | #define FATTR4_WORD2_MDSTHRESHOLD BIT(FATTR4_MDSTHRESHOLD - 64) |
584 | #define FATTR4_WORD2_CLONE_BLKSIZE BIT(FATTR4_CLONE_BLKSIZE - 64) |
585 | #define FATTR4_WORD2_CHANGE_ATTR_TYPE BIT(FATTR4_CHANGE_ATTR_TYPE - 64) |
586 | #define FATTR4_WORD2_SECURITY_LABEL BIT(FATTR4_SEC_LABEL - 64) |
587 | #define FATTR4_WORD2_MODE_UMASK BIT(FATTR4_MODE_UMASK - 64) |
588 | #define FATTR4_WORD2_XATTR_SUPPORT BIT(FATTR4_XATTR_SUPPORT - 64) |
589 | |
590 | /* MDS threshold bitmap bits */ |
591 | #define THRESHOLD_RD (1UL << 0) |
592 | #define THRESHOLD_WR (1UL << 1) |
593 | #define THRESHOLD_RD_IO (1UL << 2) |
594 | #define THRESHOLD_WR_IO (1UL << 3) |
595 | |
596 | #define NFSPROC4_NULL 0 |
597 | #define NFSPROC4_COMPOUND 1 |
598 | #define NFS4_VERSION 4 |
599 | #define NFS4_MINOR_VERSION 0 |
600 | |
601 | #define NFS4_DEBUG 1 |
602 | |
603 | /* |
604 | * Index of predefined Linux client operations |
605 | * |
606 | * To ensure that /proc/net/rpc/nfs remains correctly ordered, please |
607 | * append only to this enum when adding new client operations. |
608 | */ |
609 | |
610 | enum { |
611 | NFSPROC4_CLNT_NULL = 0, /* Unused */ |
612 | NFSPROC4_CLNT_READ, |
613 | NFSPROC4_CLNT_WRITE, |
614 | NFSPROC4_CLNT_COMMIT, |
615 | NFSPROC4_CLNT_OPEN, |
616 | NFSPROC4_CLNT_OPEN_CONFIRM, |
617 | NFSPROC4_CLNT_OPEN_NOATTR, |
618 | NFSPROC4_CLNT_OPEN_DOWNGRADE, |
619 | NFSPROC4_CLNT_CLOSE, |
620 | NFSPROC4_CLNT_SETATTR, |
621 | NFSPROC4_CLNT_FSINFO, |
622 | NFSPROC4_CLNT_RENEW, |
623 | NFSPROC4_CLNT_SETCLIENTID, |
624 | NFSPROC4_CLNT_SETCLIENTID_CONFIRM, |
625 | NFSPROC4_CLNT_LOCK, |
626 | NFSPROC4_CLNT_LOCKT, |
627 | NFSPROC4_CLNT_LOCKU, |
628 | NFSPROC4_CLNT_ACCESS, |
629 | NFSPROC4_CLNT_GETATTR, |
630 | NFSPROC4_CLNT_LOOKUP, |
631 | NFSPROC4_CLNT_LOOKUP_ROOT, |
632 | NFSPROC4_CLNT_REMOVE, |
633 | NFSPROC4_CLNT_RENAME, |
634 | NFSPROC4_CLNT_LINK, |
635 | NFSPROC4_CLNT_SYMLINK, |
636 | NFSPROC4_CLNT_CREATE, |
637 | NFSPROC4_CLNT_PATHCONF, |
638 | NFSPROC4_CLNT_STATFS, |
639 | NFSPROC4_CLNT_READLINK, |
640 | NFSPROC4_CLNT_READDIR, |
641 | NFSPROC4_CLNT_SERVER_CAPS, |
642 | NFSPROC4_CLNT_DELEGRETURN, |
643 | NFSPROC4_CLNT_GETACL, |
644 | NFSPROC4_CLNT_SETACL, |
645 | NFSPROC4_CLNT_FS_LOCATIONS, |
646 | NFSPROC4_CLNT_RELEASE_LOCKOWNER, |
647 | NFSPROC4_CLNT_SECINFO, |
648 | NFSPROC4_CLNT_FSID_PRESENT, |
649 | |
650 | NFSPROC4_CLNT_EXCHANGE_ID, |
651 | NFSPROC4_CLNT_CREATE_SESSION, |
652 | NFSPROC4_CLNT_DESTROY_SESSION, |
653 | NFSPROC4_CLNT_SEQUENCE, |
654 | NFSPROC4_CLNT_GET_LEASE_TIME, |
655 | NFSPROC4_CLNT_RECLAIM_COMPLETE, |
656 | NFSPROC4_CLNT_LAYOUTGET, |
657 | NFSPROC4_CLNT_GETDEVICEINFO, |
658 | NFSPROC4_CLNT_LAYOUTCOMMIT, |
659 | NFSPROC4_CLNT_LAYOUTRETURN, |
660 | NFSPROC4_CLNT_SECINFO_NO_NAME, |
661 | NFSPROC4_CLNT_TEST_STATEID, |
662 | NFSPROC4_CLNT_FREE_STATEID, |
663 | NFSPROC4_CLNT_GETDEVICELIST, |
664 | NFSPROC4_CLNT_BIND_CONN_TO_SESSION, |
665 | NFSPROC4_CLNT_DESTROY_CLIENTID, |
666 | |
667 | NFSPROC4_CLNT_SEEK, |
668 | NFSPROC4_CLNT_ALLOCATE, |
669 | NFSPROC4_CLNT_DEALLOCATE, |
670 | NFSPROC4_CLNT_LAYOUTSTATS, |
671 | NFSPROC4_CLNT_CLONE, |
672 | NFSPROC4_CLNT_COPY, |
673 | NFSPROC4_CLNT_OFFLOAD_CANCEL, |
674 | |
675 | NFSPROC4_CLNT_LOOKUPP, |
676 | NFSPROC4_CLNT_LAYOUTERROR, |
677 | NFSPROC4_CLNT_COPY_NOTIFY, |
678 | |
679 | NFSPROC4_CLNT_GETXATTR, |
680 | NFSPROC4_CLNT_SETXATTR, |
681 | NFSPROC4_CLNT_LISTXATTRS, |
682 | NFSPROC4_CLNT_REMOVEXATTR, |
683 | NFSPROC4_CLNT_READ_PLUS, |
684 | }; |
685 | |
686 | /* nfs41 types */ |
687 | struct nfs4_sessionid { |
688 | unsigned char data[NFS4_MAX_SESSIONID_LEN]; |
689 | }; |
690 | |
691 | /* Create Session Flags */ |
692 | #define SESSION4_PERSIST 0x001 |
693 | #define SESSION4_BACK_CHAN 0x002 |
694 | #define SESSION4_RDMA 0x004 |
695 | |
696 | #define SESSION4_FLAG_MASK_A 0x007 |
697 | |
698 | enum state_protect_how4 { |
699 | SP4_NONE = 0, |
700 | SP4_MACH_CRED = 1, |
701 | SP4_SSV = 2 |
702 | }; |
703 | |
704 | enum pnfs_layouttype { |
705 | LAYOUT_NFSV4_1_FILES = 1, |
706 | LAYOUT_OSD2_OBJECTS = 2, |
707 | LAYOUT_BLOCK_VOLUME = 3, |
708 | LAYOUT_FLEX_FILES = 4, |
709 | LAYOUT_SCSI = 5, |
710 | LAYOUT_TYPE_MAX |
711 | }; |
712 | |
713 | /* used for both layout return and recall */ |
714 | enum pnfs_layoutreturn_type { |
715 | RETURN_FILE = 1, |
716 | RETURN_FSID = 2, |
717 | RETURN_ALL = 3 |
718 | }; |
719 | |
720 | enum pnfs_iomode { |
721 | IOMODE_READ = 1, |
722 | IOMODE_RW = 2, |
723 | IOMODE_ANY = 3, |
724 | }; |
725 | |
726 | enum pnfs_notify_deviceid_type4 { |
727 | NOTIFY_DEVICEID4_CHANGE = 1 << 1, |
728 | NOTIFY_DEVICEID4_DELETE = 1 << 2, |
729 | }; |
730 | |
731 | enum pnfs_block_volume_type { |
732 | PNFS_BLOCK_VOLUME_SIMPLE = 0, |
733 | PNFS_BLOCK_VOLUME_SLICE = 1, |
734 | PNFS_BLOCK_VOLUME_CONCAT = 2, |
735 | PNFS_BLOCK_VOLUME_STRIPE = 3, |
736 | PNFS_BLOCK_VOLUME_SCSI = 4, |
737 | }; |
738 | |
739 | enum pnfs_block_extent_state { |
740 | PNFS_BLOCK_READWRITE_DATA = 0, |
741 | PNFS_BLOCK_READ_DATA = 1, |
742 | PNFS_BLOCK_INVALID_DATA = 2, |
743 | PNFS_BLOCK_NONE_DATA = 3, |
744 | }; |
745 | |
746 | /* on the wire size of a block layout extent */ |
747 | #define PNFS_BLOCK_EXTENT_SIZE \ |
748 | (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE) |
749 | |
750 | /* on the wire size of a scsi commit range */ |
751 | #define PNFS_SCSI_RANGE_SIZE \ |
752 | (4 * sizeof(__be32)) |
753 | |
754 | enum scsi_code_set { |
755 | PS_CODE_SET_BINARY = 1, |
756 | PS_CODE_SET_ASCII = 2, |
757 | PS_CODE_SET_UTF8 = 3 |
758 | }; |
759 | |
760 | enum scsi_designator_type { |
761 | PS_DESIGNATOR_T10 = 1, |
762 | PS_DESIGNATOR_EUI64 = 2, |
763 | PS_DESIGNATOR_NAA = 3, |
764 | PS_DESIGNATOR_NAME = 8 |
765 | }; |
766 | |
767 | #define NFL4_UFLG_MASK 0x0000003F |
768 | #define NFL4_UFLG_DENSE 0x00000001 |
769 | #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002 |
770 | #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0 |
771 | |
772 | /* Encoded in the loh_body field of type layouthint4 */ |
773 | enum filelayout_hint_care4 { |
774 | NFLH4_CARE_DENSE = NFL4_UFLG_DENSE, |
775 | NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS, |
776 | NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040, |
777 | NFLH4_CARE_STRIPE_COUNT = 0x00000080 |
778 | }; |
779 | |
780 | #define NFS4_DEVICEID4_SIZE 16 |
781 | |
782 | struct nfs4_deviceid { |
783 | char data[NFS4_DEVICEID4_SIZE]; |
784 | }; |
785 | |
786 | enum data_content4 { |
787 | NFS4_CONTENT_DATA = 0, |
788 | NFS4_CONTENT_HOLE = 1, |
789 | }; |
790 | |
791 | enum pnfs_update_layout_reason { |
792 | PNFS_UPDATE_LAYOUT_UNKNOWN = 0, |
793 | PNFS_UPDATE_LAYOUT_NO_PNFS, |
794 | PNFS_UPDATE_LAYOUT_RD_ZEROLEN, |
795 | PNFS_UPDATE_LAYOUT_MDSTHRESH, |
796 | PNFS_UPDATE_LAYOUT_NOMEM, |
797 | PNFS_UPDATE_LAYOUT_BULK_RECALL, |
798 | PNFS_UPDATE_LAYOUT_IO_TEST_FAIL, |
799 | PNFS_UPDATE_LAYOUT_FOUND_CACHED, |
800 | PNFS_UPDATE_LAYOUT_RETURN, |
801 | PNFS_UPDATE_LAYOUT_RETRY, |
802 | PNFS_UPDATE_LAYOUT_BLOCKED, |
803 | PNFS_UPDATE_LAYOUT_INVALID_OPEN, |
804 | PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET, |
805 | PNFS_UPDATE_LAYOUT_EXIT, |
806 | }; |
807 | |
808 | #define NFS4_OP_MAP_NUM_LONGS \ |
809 | DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) |
810 | #define NFS4_OP_MAP_NUM_WORDS \ |
811 | (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) |
812 | struct nfs4_op_map { |
813 | union { |
814 | unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; |
815 | u32 words[NFS4_OP_MAP_NUM_WORDS]; |
816 | } u; |
817 | }; |
818 | |
819 | struct nfs42_netaddr { |
820 | char netid[RPCBIND_MAXNETIDLEN]; |
821 | char addr[RPCBIND_MAXUADDRLEN + 1]; |
822 | u32 netid_len; |
823 | u32 addr_len; |
824 | }; |
825 | |
826 | enum netloc_type4 { |
827 | NL4_NAME = 1, |
828 | NL4_URL = 2, |
829 | NL4_NETADDR = 3, |
830 | }; |
831 | |
832 | struct nl4_server { |
833 | enum netloc_type4 nl4_type; |
834 | union { |
835 | struct { /* NL4_NAME, NL4_URL */ |
836 | int nl4_str_sz; |
837 | char nl4_str[NFS4_OPAQUE_LIMIT + 1]; |
838 | }; |
839 | struct nfs42_netaddr nl4_addr; /* NL4_NETADDR */ |
840 | } u; |
841 | }; |
842 | |
843 | enum nfs4_change_attr_type { |
844 | NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR = 0, |
845 | NFS4_CHANGE_TYPE_IS_VERSION_COUNTER = 1, |
846 | NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS = 2, |
847 | NFS4_CHANGE_TYPE_IS_TIME_METADATA = 3, |
848 | NFS4_CHANGE_TYPE_IS_UNDEFINED = 4, |
849 | }; |
850 | |
851 | /* |
852 | * Options for setxattr. These match the flags for setxattr(2). |
853 | */ |
854 | enum nfs4_setxattr_options { |
855 | SETXATTR4_EITHER = 0, |
856 | SETXATTR4_CREATE = 1, |
857 | SETXATTR4_REPLACE = 2, |
858 | }; |
859 | |
860 | enum { |
861 | RCA4_TYPE_MASK_RDATA_DLG = 0, |
862 | RCA4_TYPE_MASK_WDATA_DLG = 1, |
863 | RCA4_TYPE_MASK_DIR_DLG = 2, |
864 | RCA4_TYPE_MASK_FILE_LAYOUT = 3, |
865 | RCA4_TYPE_MASK_BLK_LAYOUT = 4, |
866 | RCA4_TYPE_MASK_OBJ_LAYOUT_MIN = 8, |
867 | RCA4_TYPE_MASK_OBJ_LAYOUT_MAX = 9, |
868 | RCA4_TYPE_MASK_OTHER_LAYOUT_MIN = 12, |
869 | RCA4_TYPE_MASK_OTHER_LAYOUT_MAX = 15, |
870 | }; |
871 | |
872 | #endif |
873 | |