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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 <uapi/linux/nfs4.h>
17
18struct nfs4_ace {
19 uint32_t type;
20 uint32_t flag;
21 uint32_t access_mask;
22 int whotype;
23 uid_t who;
24};
25
26struct nfs4_acl {
27 uint32_t naces;
28 struct nfs4_ace aces[0];
29};
30
31typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
32
33struct nfs_stateid4 {
34 __be32 seqid;
35 char other[NFS4_STATEID_OTHER_SIZE];
36} __attribute__ ((packed));
37
38typedef struct nfs_stateid4 nfs4_stateid;
39
40enum nfs_opnum4 {
41 OP_ACCESS = 3,
42 OP_CLOSE = 4,
43 OP_COMMIT = 5,
44 OP_CREATE = 6,
45 OP_DELEGPURGE = 7,
46 OP_DELEGRETURN = 8,
47 OP_GETATTR = 9,
48 OP_GETFH = 10,
49 OP_LINK = 11,
50 OP_LOCK = 12,
51 OP_LOCKT = 13,
52 OP_LOCKU = 14,
53 OP_LOOKUP = 15,
54 OP_LOOKUPP = 16,
55 OP_NVERIFY = 17,
56 OP_OPEN = 18,
57 OP_OPENATTR = 19,
58 OP_OPEN_CONFIRM = 20,
59 OP_OPEN_DOWNGRADE = 21,
60 OP_PUTFH = 22,
61 OP_PUTPUBFH = 23,
62 OP_PUTROOTFH = 24,
63 OP_READ = 25,
64 OP_READDIR = 26,
65 OP_READLINK = 27,
66 OP_REMOVE = 28,
67 OP_RENAME = 29,
68 OP_RENEW = 30,
69 OP_RESTOREFH = 31,
70 OP_SAVEFH = 32,
71 OP_SECINFO = 33,
72 OP_SETATTR = 34,
73 OP_SETCLIENTID = 35,
74 OP_SETCLIENTID_CONFIRM = 36,
75 OP_VERIFY = 37,
76 OP_WRITE = 38,
77 OP_RELEASE_LOCKOWNER = 39,
78
79 /* nfs41 */
80 OP_BACKCHANNEL_CTL = 40,
81 OP_BIND_CONN_TO_SESSION = 41,
82 OP_EXCHANGE_ID = 42,
83 OP_CREATE_SESSION = 43,
84 OP_DESTROY_SESSION = 44,
85 OP_FREE_STATEID = 45,
86 OP_GET_DIR_DELEGATION = 46,
87 OP_GETDEVICEINFO = 47,
88 OP_GETDEVICELIST = 48,
89 OP_LAYOUTCOMMIT = 49,
90 OP_LAYOUTGET = 50,
91 OP_LAYOUTRETURN = 51,
92 OP_SECINFO_NO_NAME = 52,
93 OP_SEQUENCE = 53,
94 OP_SET_SSV = 54,
95 OP_TEST_STATEID = 55,
96 OP_WANT_DELEGATION = 56,
97 OP_DESTROY_CLIENTID = 57,
98 OP_RECLAIM_COMPLETE = 58,
99
100 OP_ILLEGAL = 10044,
101};
102
103/*Defining first and last NFS4 operations implemented.
104Needs to be updated if more operations are defined in future.*/
105
106#define FIRST_NFS4_OP OP_ACCESS
107#define LAST_NFS4_OP OP_RECLAIM_COMPLETE
108
109enum nfsstat4 {
110 NFS4_OK = 0,
111 NFS4ERR_PERM = 1,
112 NFS4ERR_NOENT = 2,
113 NFS4ERR_IO = 5,
114 NFS4ERR_NXIO = 6,
115 NFS4ERR_ACCESS = 13,
116 NFS4ERR_EXIST = 17,
117 NFS4ERR_XDEV = 18,
118 /* Unused/reserved 19 */
119 NFS4ERR_NOTDIR = 20,
120 NFS4ERR_ISDIR = 21,
121 NFS4ERR_INVAL = 22,
122 NFS4ERR_FBIG = 27,
123 NFS4ERR_NOSPC = 28,
124 NFS4ERR_ROFS = 30,
125 NFS4ERR_MLINK = 31,
126 NFS4ERR_NAMETOOLONG = 63,
127 NFS4ERR_NOTEMPTY = 66,
128 NFS4ERR_DQUOT = 69,
129 NFS4ERR_STALE = 70,
130 NFS4ERR_BADHANDLE = 10001,
131 NFS4ERR_BAD_COOKIE = 10003,
132 NFS4ERR_NOTSUPP = 10004,
133 NFS4ERR_TOOSMALL = 10005,
134 NFS4ERR_SERVERFAULT = 10006,
135 NFS4ERR_BADTYPE = 10007,
136 NFS4ERR_DELAY = 10008,
137 NFS4ERR_SAME = 10009,
138 NFS4ERR_DENIED = 10010,
139 NFS4ERR_EXPIRED = 10011,
140 NFS4ERR_LOCKED = 10012,
141 NFS4ERR_GRACE = 10013,
142 NFS4ERR_FHEXPIRED = 10014,
143 NFS4ERR_SHARE_DENIED = 10015,
144 NFS4ERR_WRONGSEC = 10016,
145 NFS4ERR_CLID_INUSE = 10017,
146 NFS4ERR_RESOURCE = 10018,
147 NFS4ERR_MOVED = 10019,
148 NFS4ERR_NOFILEHANDLE = 10020,
149 NFS4ERR_MINOR_VERS_MISMATCH = 10021,
150 NFS4ERR_STALE_CLIENTID = 10022,
151 NFS4ERR_STALE_STATEID = 10023,
152 NFS4ERR_OLD_STATEID = 10024,
153 NFS4ERR_BAD_STATEID = 10025,
154 NFS4ERR_BAD_SEQID = 10026,
155 NFS4ERR_NOT_SAME = 10027,
156 NFS4ERR_LOCK_RANGE = 10028,
157 NFS4ERR_SYMLINK = 10029,
158 NFS4ERR_RESTOREFH = 10030,
159 NFS4ERR_LEASE_MOVED = 10031,
160 NFS4ERR_ATTRNOTSUPP = 10032,
161 NFS4ERR_NO_GRACE = 10033,
162 NFS4ERR_RECLAIM_BAD = 10034,
163 NFS4ERR_RECLAIM_CONFLICT = 10035,
164 NFS4ERR_BADXDR = 10036,
165 NFS4ERR_LOCKS_HELD = 10037,
166 NFS4ERR_OPENMODE = 10038,
167 NFS4ERR_BADOWNER = 10039,
168 NFS4ERR_BADCHAR = 10040,
169 NFS4ERR_BADNAME = 10041,
170 NFS4ERR_BAD_RANGE = 10042,
171 NFS4ERR_LOCK_NOTSUPP = 10043,
172 NFS4ERR_OP_ILLEGAL = 10044,
173 NFS4ERR_DEADLOCK = 10045,
174 NFS4ERR_FILE_OPEN = 10046,
175 NFS4ERR_ADMIN_REVOKED = 10047,
176 NFS4ERR_CB_PATH_DOWN = 10048,
177
178 /* nfs41 */
179 NFS4ERR_BADIOMODE = 10049,
180 NFS4ERR_BADLAYOUT = 10050,
181 NFS4ERR_BAD_SESSION_DIGEST = 10051,
182 NFS4ERR_BADSESSION = 10052,
183 NFS4ERR_BADSLOT = 10053,
184 NFS4ERR_COMPLETE_ALREADY = 10054,
185 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055,
186 NFS4ERR_DELEG_ALREADY_WANTED = 10056,
187 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */
188 NFS4ERR_LAYOUTTRYLATER = 10058,
189 NFS4ERR_LAYOUTUNAVAILABLE = 10059,
190 NFS4ERR_NOMATCHING_LAYOUT = 10060,
191 NFS4ERR_RECALLCONFLICT = 10061,
192 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062,
193 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */
194 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */
195 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */
196 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */
197 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */
198 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */
199 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */
200 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */
201 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */
202 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */
203 /* Error 10073 is unused. */
204 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */
205 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */
206 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */
207 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */
208 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */
209 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */
210 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */
211 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */
212 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */
213 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */
214 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */
215 NFS4ERR_REJECT_DELEG = 10085, /* on callback */
216 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */
217 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */
218};
219
220static inline bool seqid_mutating_err(u32 err)
221{
222 /* rfc 3530 section 8.1.5: */
223 switch (err) {
224 case NFS4ERR_STALE_CLIENTID:
225 case NFS4ERR_STALE_STATEID:
226 case NFS4ERR_BAD_STATEID:
227 case NFS4ERR_BAD_SEQID:
228 case NFS4ERR_BADXDR:
229 case NFS4ERR_RESOURCE:
230 case NFS4ERR_NOFILEHANDLE:
231 return false;
232 };
233 return true;
234}
235
236/*
237 * Note: NF4BAD is not actually part of the protocol; it is just used
238 * internally by nfsd.
239 */
240enum nfs_ftype4 {
241 NF4BAD = 0,
242 NF4REG = 1, /* Regular File */
243 NF4DIR = 2, /* Directory */
244 NF4BLK = 3, /* Special File - block device */
245 NF4CHR = 4, /* Special File - character device */
246 NF4LNK = 5, /* Symbolic Link */
247 NF4SOCK = 6, /* Special File - socket */
248 NF4FIFO = 7, /* Special File - fifo */
249 NF4ATTRDIR = 8, /* Attribute Directory */
250 NF4NAMEDATTR = 9 /* Named Attribute */
251};
252
253enum open_claim_type4 {
254 NFS4_OPEN_CLAIM_NULL = 0,
255 NFS4_OPEN_CLAIM_PREVIOUS = 1,
256 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
257 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3,
258 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */
259 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */
260 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */
261};
262
263enum opentype4 {
264 NFS4_OPEN_NOCREATE = 0,
265 NFS4_OPEN_CREATE = 1
266};
267
268enum createmode4 {
269 NFS4_CREATE_UNCHECKED = 0,
270 NFS4_CREATE_GUARDED = 1,
271 NFS4_CREATE_EXCLUSIVE = 2,
272 /*
273 * New to NFSv4.1. If session is persistent,
274 * GUARDED4 MUST be used. Otherwise, use
275 * EXCLUSIVE4_1 instead of EXCLUSIVE4.
276 */
277 NFS4_CREATE_EXCLUSIVE4_1 = 3
278};
279
280enum limit_by4 {
281 NFS4_LIMIT_SIZE = 1,
282 NFS4_LIMIT_BLOCKS = 2
283};
284
285enum open_delegation_type4 {
286 NFS4_OPEN_DELEGATE_NONE = 0,
287 NFS4_OPEN_DELEGATE_READ = 1,
288 NFS4_OPEN_DELEGATE_WRITE = 2,
289 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */
290};
291
292enum why_no_delegation4 { /* new to v4.1 */
293 WND4_NOT_WANTED = 0,
294 WND4_CONTENTION = 1,
295 WND4_RESOURCE = 2,
296 WND4_NOT_SUPP_FTYPE = 3,
297 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4,
298 WND4_NOT_SUPP_UPGRADE = 5,
299 WND4_NOT_SUPP_DOWNGRADE = 6,
300 WND4_CANCELLED = 7,
301 WND4_IS_DIR = 8,
302};
303
304enum lock_type4 {
305 NFS4_UNLOCK_LT = 0,
306 NFS4_READ_LT = 1,
307 NFS4_WRITE_LT = 2,
308 NFS4_READW_LT = 3,
309 NFS4_WRITEW_LT = 4
310};
311
312
313/* Mandatory Attributes */
314#define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
315#define FATTR4_WORD0_TYPE (1UL << 1)
316#define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
317#define FATTR4_WORD0_CHANGE (1UL << 3)
318#define FATTR4_WORD0_SIZE (1UL << 4)
319#define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
320#define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
321#define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
322#define FATTR4_WORD0_FSID (1UL << 8)
323#define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
324#define FATTR4_WORD0_LEASE_TIME (1UL << 10)
325#define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
326/* Mandatory in NFSv4.1 */
327#define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
328
329/* Recommended Attributes */
330#define FATTR4_WORD0_ACL (1UL << 12)
331#define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
332#define FATTR4_WORD0_ARCHIVE (1UL << 14)
333#define FATTR4_WORD0_CANSETTIME (1UL << 15)
334#define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
335#define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
336#define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
337#define FATTR4_WORD0_FILEHANDLE (1UL << 19)
338#define FATTR4_WORD0_FILEID (1UL << 20)
339#define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
340#define FATTR4_WORD0_FILES_FREE (1UL << 22)
341#define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
342#define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
343#define FATTR4_WORD0_HIDDEN (1UL << 25)
344#define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
345#define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
346#define FATTR4_WORD0_MAXLINK (1UL << 28)
347#define FATTR4_WORD0_MAXNAME (1UL << 29)
348#define FATTR4_WORD0_MAXREAD (1UL << 30)
349#define FATTR4_WORD0_MAXWRITE (1UL << 31)
350#define FATTR4_WORD1_MIMETYPE (1UL << 0)
351#define FATTR4_WORD1_MODE (1UL << 1)
352#define FATTR4_WORD1_NO_TRUNC (1UL << 2)
353#define FATTR4_WORD1_NUMLINKS (1UL << 3)
354#define FATTR4_WORD1_OWNER (1UL << 4)
355#define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
356#define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
357#define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
358#define FATTR4_WORD1_QUOTA_USED (1UL << 8)
359#define FATTR4_WORD1_RAWDEV (1UL << 9)
360#define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
361#define FATTR4_WORD1_SPACE_FREE (1UL << 11)
362#define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
363#define FATTR4_WORD1_SPACE_USED (1UL << 13)
364#define FATTR4_WORD1_SYSTEM (1UL << 14)
365#define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
366#define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
367#define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
368#define FATTR4_WORD1_TIME_CREATE (1UL << 18)
369#define FATTR4_WORD1_TIME_DELTA (1UL << 19)
370#define FATTR4_WORD1_TIME_METADATA (1UL << 20)
371#define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
372#define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
373#define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
374#define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
375#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
376#define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4)
377
378/* MDS threshold bitmap bits */
379#define THRESHOLD_RD (1UL << 0)
380#define THRESHOLD_WR (1UL << 1)
381#define THRESHOLD_RD_IO (1UL << 2)
382#define THRESHOLD_WR_IO (1UL << 3)
383
384#define NFSPROC4_NULL 0
385#define NFSPROC4_COMPOUND 1
386#define NFS4_VERSION 4
387#define NFS4_MINOR_VERSION 0
388
389#if defined(CONFIG_NFS_V4_1)
390#define NFS4_MAX_MINOR_VERSION 1
391#else
392#define NFS4_MAX_MINOR_VERSION 0
393#endif /* CONFIG_NFS_V4_1 */
394
395#define NFS4_DEBUG 1
396
397/* Index of predefined Linux client operations */
398
399enum {
400 NFSPROC4_CLNT_NULL = 0, /* Unused */
401 NFSPROC4_CLNT_READ,
402 NFSPROC4_CLNT_WRITE,
403 NFSPROC4_CLNT_COMMIT,
404 NFSPROC4_CLNT_OPEN,
405 NFSPROC4_CLNT_OPEN_CONFIRM,
406 NFSPROC4_CLNT_OPEN_NOATTR,
407 NFSPROC4_CLNT_OPEN_DOWNGRADE,
408 NFSPROC4_CLNT_CLOSE,
409 NFSPROC4_CLNT_SETATTR,
410 NFSPROC4_CLNT_FSINFO,
411 NFSPROC4_CLNT_RENEW,
412 NFSPROC4_CLNT_SETCLIENTID,
413 NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
414 NFSPROC4_CLNT_LOCK,
415 NFSPROC4_CLNT_LOCKT,
416 NFSPROC4_CLNT_LOCKU,
417 NFSPROC4_CLNT_ACCESS,
418 NFSPROC4_CLNT_GETATTR,
419 NFSPROC4_CLNT_LOOKUP,
420 NFSPROC4_CLNT_LOOKUP_ROOT,
421 NFSPROC4_CLNT_REMOVE,
422 NFSPROC4_CLNT_RENAME,
423 NFSPROC4_CLNT_LINK,
424 NFSPROC4_CLNT_SYMLINK,
425 NFSPROC4_CLNT_CREATE,
426 NFSPROC4_CLNT_PATHCONF,
427 NFSPROC4_CLNT_STATFS,
428 NFSPROC4_CLNT_READLINK,
429 NFSPROC4_CLNT_READDIR,
430 NFSPROC4_CLNT_SERVER_CAPS,
431 NFSPROC4_CLNT_DELEGRETURN,
432 NFSPROC4_CLNT_GETACL,
433 NFSPROC4_CLNT_SETACL,
434 NFSPROC4_CLNT_FS_LOCATIONS,
435 NFSPROC4_CLNT_RELEASE_LOCKOWNER,
436 NFSPROC4_CLNT_SECINFO,
437
438 /* nfs41 */
439 NFSPROC4_CLNT_EXCHANGE_ID,
440 NFSPROC4_CLNT_CREATE_SESSION,
441 NFSPROC4_CLNT_DESTROY_SESSION,
442 NFSPROC4_CLNT_SEQUENCE,
443 NFSPROC4_CLNT_GET_LEASE_TIME,
444 NFSPROC4_CLNT_RECLAIM_COMPLETE,
445 NFSPROC4_CLNT_LAYOUTGET,
446 NFSPROC4_CLNT_GETDEVICEINFO,
447 NFSPROC4_CLNT_LAYOUTCOMMIT,
448 NFSPROC4_CLNT_LAYOUTRETURN,
449 NFSPROC4_CLNT_SECINFO_NO_NAME,
450 NFSPROC4_CLNT_TEST_STATEID,
451 NFSPROC4_CLNT_FREE_STATEID,
452 NFSPROC4_CLNT_GETDEVICELIST,
453 NFSPROC4_CLNT_BIND_CONN_TO_SESSION,
454 NFSPROC4_CLNT_DESTROY_CLIENTID,
455};
456
457/* nfs41 types */
458struct nfs4_sessionid {
459 unsigned char data[NFS4_MAX_SESSIONID_LEN];
460};
461
462/* Create Session Flags */
463#define SESSION4_PERSIST 0x001
464#define SESSION4_BACK_CHAN 0x002
465#define SESSION4_RDMA 0x004
466
467#define SESSION4_FLAG_MASK_A 0x007
468
469enum state_protect_how4 {
470 SP4_NONE = 0,
471 SP4_MACH_CRED = 1,
472 SP4_SSV = 2
473};
474
475enum pnfs_layouttype {
476 LAYOUT_NFSV4_1_FILES = 1,
477 LAYOUT_OSD2_OBJECTS = 2,
478 LAYOUT_BLOCK_VOLUME = 3,
479};
480
481/* used for both layout return and recall */
482enum pnfs_layoutreturn_type {
483 RETURN_FILE = 1,
484 RETURN_FSID = 2,
485 RETURN_ALL = 3
486};
487
488enum pnfs_iomode {
489 IOMODE_READ = 1,
490 IOMODE_RW = 2,
491 IOMODE_ANY = 3,
492};
493
494enum pnfs_notify_deviceid_type4 {
495 NOTIFY_DEVICEID4_CHANGE = 1 << 1,
496 NOTIFY_DEVICEID4_DELETE = 1 << 2,
497};
498
499#define NFL4_UFLG_MASK 0x0000003F
500#define NFL4_UFLG_DENSE 0x00000001
501#define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002
502#define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0
503
504/* Encoded in the loh_body field of type layouthint4 */
505enum filelayout_hint_care4 {
506 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE,
507 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS,
508 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040,
509 NFLH4_CARE_STRIPE_COUNT = 0x00000080
510};
511
512#define NFS4_DEVICEID4_SIZE 16
513
514struct nfs4_deviceid {
515 char data[NFS4_DEVICEID4_SIZE];
516};
517
518#endif