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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 
13 #ifndef _LINUX_NFS4_H
14 #define _LINUX_NFS4_H
15 
16 #include <linux/types.h>
17 
18 #define NFS4_VERIFIER_SIZE	8
19 #define NFS4_FHSIZE		128
20 #define NFS4_MAXPATHLEN		PATH_MAX
21 #define NFS4_MAXNAMLEN		NAME_MAX
22 
23 #define NFS4_ACCESS_READ        0x0001
24 #define NFS4_ACCESS_LOOKUP      0x0002
25 #define NFS4_ACCESS_MODIFY      0x0004
26 #define NFS4_ACCESS_EXTEND      0x0008
27 #define NFS4_ACCESS_DELETE      0x0010
28 #define NFS4_ACCESS_EXECUTE     0x0020
29 
30 #define NFS4_FH_PERSISTENT		0x0000
31 #define NFS4_FH_NOEXPIRE_WITH_OPEN	0x0001
32 #define NFS4_FH_VOLATILE_ANY		0x0002
33 #define NFS4_FH_VOL_MIGRATION		0x0004
34 #define NFS4_FH_VOL_RENAME		0x0008
35 
36 #define NFS4_OPEN_RESULT_CONFIRM 0x0002
37 #define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004
38 
39 #define NFS4_SHARE_ACCESS_READ	0x0001
40 #define NFS4_SHARE_ACCESS_WRITE	0x0002
41 #define NFS4_SHARE_ACCESS_BOTH	0x0003
42 #define NFS4_SHARE_DENY_READ	0x0001
43 #define NFS4_SHARE_DENY_WRITE	0x0002
44 #define NFS4_SHARE_DENY_BOTH	0x0003
45 
46 #define NFS4_SET_TO_SERVER_TIME	0
47 #define NFS4_SET_TO_CLIENT_TIME	1
48 
49 #define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0
50 #define NFS4_ACE_ACCESS_DENIED_ACE_TYPE  1
51 #define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE   2
52 #define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE   3
53 
54 #define ACL4_SUPPORT_ALLOW_ACL 0x01
55 #define ACL4_SUPPORT_DENY_ACL  0x02
56 #define ACL4_SUPPORT_AUDIT_ACL 0x04
57 #define ACL4_SUPPORT_ALARM_ACL 0x08
58 
59 #define NFS4_ACE_FILE_INHERIT_ACE             0x00000001
60 #define NFS4_ACE_DIRECTORY_INHERIT_ACE        0x00000002
61 #define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE     0x00000004
62 #define NFS4_ACE_INHERIT_ONLY_ACE             0x00000008
63 #define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG   0x00000010
64 #define NFS4_ACE_FAILED_ACCESS_ACE_FLAG       0x00000020
65 #define NFS4_ACE_IDENTIFIER_GROUP             0x00000040
66 #define NFS4_ACE_OWNER                        0x00000080
67 #define NFS4_ACE_GROUP                        0x00000100
68 #define NFS4_ACE_EVERYONE                     0x00000200
69 
70 #define NFS4_ACE_READ_DATA                    0x00000001
71 #define NFS4_ACE_LIST_DIRECTORY               0x00000001
72 #define NFS4_ACE_WRITE_DATA                   0x00000002
73 #define NFS4_ACE_ADD_FILE                     0x00000002
74 #define NFS4_ACE_APPEND_DATA                  0x00000004
75 #define NFS4_ACE_ADD_SUBDIRECTORY             0x00000004
76 #define NFS4_ACE_READ_NAMED_ATTRS             0x00000008
77 #define NFS4_ACE_WRITE_NAMED_ATTRS            0x00000010
78 #define NFS4_ACE_EXECUTE                      0x00000020
79 #define NFS4_ACE_DELETE_CHILD                 0x00000040
80 #define NFS4_ACE_READ_ATTRIBUTES              0x00000080
81 #define NFS4_ACE_WRITE_ATTRIBUTES             0x00000100
82 #define NFS4_ACE_DELETE                       0x00010000
83 #define NFS4_ACE_READ_ACL                     0x00020000
84 #define NFS4_ACE_WRITE_ACL                    0x00040000
85 #define NFS4_ACE_WRITE_OWNER                  0x00080000
86 #define NFS4_ACE_SYNCHRONIZE                  0x00100000
87 #define NFS4_ACE_GENERIC_READ                 0x00120081
88 #define NFS4_ACE_GENERIC_WRITE                0x00160106
89 #define NFS4_ACE_GENERIC_EXECUTE              0x001200A0
90 #define NFS4_ACE_MASK_ALL                     0x001F01FF
91 
92 enum nfs4_acl_whotype {
93 	NFS4_ACL_WHO_NAMED = 0,
94 	NFS4_ACL_WHO_OWNER,
95 	NFS4_ACL_WHO_GROUP,
96 	NFS4_ACL_WHO_EVERYONE,
97 };
98 
99 #ifdef __KERNEL__
100 #include <linux/list.h>
101 
102 struct nfs4_ace {
103 	uint32_t	type;
104 	uint32_t	flag;
105 	uint32_t	access_mask;
106 	int		whotype;
107 	uid_t		who;
108 	struct list_head l_ace;
109 };
110 
111 struct nfs4_acl {
112 	uint32_t	naces;
113 	struct list_head ace_head;
114 };
115 
116 typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
117 typedef struct { char data[16]; } nfs4_stateid;
118 
119 enum nfs_opnum4 {
120 	OP_ACCESS = 3,
121 	OP_CLOSE = 4,
122 	OP_COMMIT = 5,
123 	OP_CREATE = 6,
124 	OP_DELEGPURGE = 7,
125 	OP_DELEGRETURN = 8,
126 	OP_GETATTR = 9,
127 	OP_GETFH = 10,
128 	OP_LINK = 11,
129 	OP_LOCK = 12,
130 	OP_LOCKT = 13,
131 	OP_LOCKU = 14,
132 	OP_LOOKUP = 15,
133 	OP_LOOKUPP = 16,
134 	OP_NVERIFY = 17,
135 	OP_OPEN = 18,
136 	OP_OPENATTR = 19,
137 	OP_OPEN_CONFIRM = 20,
138 	OP_OPEN_DOWNGRADE = 21,
139 	OP_PUTFH = 22,
140 	OP_PUTPUBFH = 23,
141 	OP_PUTROOTFH = 24,
142 	OP_READ = 25,
143 	OP_READDIR = 26,
144 	OP_READLINK = 27,
145 	OP_REMOVE = 28,
146 	OP_RENAME = 29,
147 	OP_RENEW = 30,
148 	OP_RESTOREFH = 31,
149 	OP_SAVEFH = 32,
150 	OP_SECINFO = 33,
151 	OP_SETATTR = 34,
152 	OP_SETCLIENTID = 35,
153 	OP_SETCLIENTID_CONFIRM = 36,
154 	OP_VERIFY = 37,
155 	OP_WRITE = 38,
156 	OP_RELEASE_LOCKOWNER = 39,
157 	OP_ILLEGAL = 10044,
158 };
159 
160 /*Defining first and last NFS4 operations implemented.
161 Needs to be updated if more operations are defined in future.*/
162 
163 #define FIRST_NFS4_OP	OP_ACCESS
164 #define LAST_NFS4_OP 	OP_RELEASE_LOCKOWNER
165 
166 enum nfsstat4 {
167 	NFS4_OK = 0,
168 	NFS4ERR_PERM = 1,
169 	NFS4ERR_NOENT = 2,
170 	NFS4ERR_IO = 5,
171 	NFS4ERR_NXIO = 6,
172 	NFS4ERR_ACCESS = 13,
173 	NFS4ERR_EXIST = 17,
174 	NFS4ERR_XDEV = 18,
175 	/* Unused/reserved 19 */
176 	NFS4ERR_NOTDIR = 20,
177 	NFS4ERR_ISDIR = 21,
178 	NFS4ERR_INVAL = 22,
179 	NFS4ERR_FBIG = 27,
180 	NFS4ERR_NOSPC = 28,
181 	NFS4ERR_ROFS = 30,
182 	NFS4ERR_MLINK = 31,
183 	NFS4ERR_NAMETOOLONG = 63,
184 	NFS4ERR_NOTEMPTY = 66,
185 	NFS4ERR_DQUOT = 69,
186 	NFS4ERR_STALE = 70,
187 	NFS4ERR_BADHANDLE = 10001,
188 	NFS4ERR_BAD_COOKIE = 10003,
189 	NFS4ERR_NOTSUPP = 10004,
190 	NFS4ERR_TOOSMALL = 10005,
191 	NFS4ERR_SERVERFAULT = 10006,
192 	NFS4ERR_BADTYPE = 10007,
193 	NFS4ERR_DELAY = 10008,
194 	NFS4ERR_SAME = 10009,
195 	NFS4ERR_DENIED = 10010,
196 	NFS4ERR_EXPIRED = 10011,
197 	NFS4ERR_LOCKED = 10012,
198 	NFS4ERR_GRACE = 10013,
199 	NFS4ERR_FHEXPIRED = 10014,
200 	NFS4ERR_SHARE_DENIED = 10015,
201 	NFS4ERR_WRONGSEC = 10016,
202 	NFS4ERR_CLID_INUSE = 10017,
203 	NFS4ERR_RESOURCE = 10018,
204 	NFS4ERR_MOVED = 10019,
205 	NFS4ERR_NOFILEHANDLE = 10020,
206 	NFS4ERR_MINOR_VERS_MISMATCH = 10021,
207 	NFS4ERR_STALE_CLIENTID = 10022,
208 	NFS4ERR_STALE_STATEID = 10023,
209 	NFS4ERR_OLD_STATEID = 10024,
210 	NFS4ERR_BAD_STATEID = 10025,
211 	NFS4ERR_BAD_SEQID = 10026,
212 	NFS4ERR_NOT_SAME = 10027,
213 	NFS4ERR_LOCK_RANGE = 10028,
214 	NFS4ERR_SYMLINK = 10029,
215 	NFS4ERR_RESTOREFH = 10030,
216 	NFS4ERR_LEASE_MOVED = 10031,
217 	NFS4ERR_ATTRNOTSUPP = 10032,
218 	NFS4ERR_NO_GRACE = 10033,
219 	NFS4ERR_RECLAIM_BAD = 10034,
220 	NFS4ERR_RECLAIM_CONFLICT = 10035,
221 	NFS4ERR_BADXDR = 10036,
222 	NFS4ERR_LOCKS_HELD = 10037,
223 	NFS4ERR_OPENMODE = 10038,
224 	NFS4ERR_BADOWNER = 10039,
225 	NFS4ERR_BADCHAR = 10040,
226 	NFS4ERR_BADNAME = 10041,
227 	NFS4ERR_BAD_RANGE = 10042,
228 	NFS4ERR_LOCK_NOTSUPP = 10043,
229 	NFS4ERR_OP_ILLEGAL = 10044,
230 	NFS4ERR_DEADLOCK = 10045,
231 	NFS4ERR_FILE_OPEN = 10046,
232 	NFS4ERR_ADMIN_REVOKED = 10047,
233 	NFS4ERR_CB_PATH_DOWN = 10048
234 };
235 
236 /*
237  * Note: NF4BAD is not actually part of the protocol; it is just used
238  * internally by nfsd.
239  */
240 enum 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 
253 enum 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 };
259 
260 enum opentype4 {
261 	NFS4_OPEN_NOCREATE = 0,
262 	NFS4_OPEN_CREATE = 1
263 };
264 
265 enum createmode4 {
266 	NFS4_CREATE_UNCHECKED = 0,
267 	NFS4_CREATE_GUARDED = 1,
268 	NFS4_CREATE_EXCLUSIVE = 2
269 };
270 
271 enum limit_by4 {
272 	NFS4_LIMIT_SIZE = 1,
273 	NFS4_LIMIT_BLOCKS = 2
274 };
275 
276 enum open_delegation_type4 {
277 	NFS4_OPEN_DELEGATE_NONE = 0,
278 	NFS4_OPEN_DELEGATE_READ = 1,
279 	NFS4_OPEN_DELEGATE_WRITE = 2
280 };
281 
282 enum lock_type4 {
283 	NFS4_UNLOCK_LT = 0,
284 	NFS4_READ_LT = 1,
285 	NFS4_WRITE_LT = 2,
286 	NFS4_READW_LT = 3,
287 	NFS4_WRITEW_LT = 4
288 };
289 
290 
291 /* Mandatory Attributes */
292 #define FATTR4_WORD0_SUPPORTED_ATTRS    (1UL << 0)
293 #define FATTR4_WORD0_TYPE               (1UL << 1)
294 #define FATTR4_WORD0_FH_EXPIRE_TYPE     (1UL << 2)
295 #define FATTR4_WORD0_CHANGE             (1UL << 3)
296 #define FATTR4_WORD0_SIZE               (1UL << 4)
297 #define FATTR4_WORD0_LINK_SUPPORT       (1UL << 5)
298 #define FATTR4_WORD0_SYMLINK_SUPPORT    (1UL << 6)
299 #define FATTR4_WORD0_NAMED_ATTR         (1UL << 7)
300 #define FATTR4_WORD0_FSID               (1UL << 8)
301 #define FATTR4_WORD0_UNIQUE_HANDLES     (1UL << 9)
302 #define FATTR4_WORD0_LEASE_TIME         (1UL << 10)
303 #define FATTR4_WORD0_RDATTR_ERROR       (1UL << 11)
304 
305 /* Recommended Attributes */
306 #define FATTR4_WORD0_ACL                (1UL << 12)
307 #define FATTR4_WORD0_ACLSUPPORT         (1UL << 13)
308 #define FATTR4_WORD0_ARCHIVE            (1UL << 14)
309 #define FATTR4_WORD0_CANSETTIME         (1UL << 15)
310 #define FATTR4_WORD0_CASE_INSENSITIVE   (1UL << 16)
311 #define FATTR4_WORD0_CASE_PRESERVING    (1UL << 17)
312 #define FATTR4_WORD0_CHOWN_RESTRICTED   (1UL << 18)
313 #define FATTR4_WORD0_FILEHANDLE         (1UL << 19)
314 #define FATTR4_WORD0_FILEID             (1UL << 20)
315 #define FATTR4_WORD0_FILES_AVAIL        (1UL << 21)
316 #define FATTR4_WORD0_FILES_FREE         (1UL << 22)
317 #define FATTR4_WORD0_FILES_TOTAL        (1UL << 23)
318 #define FATTR4_WORD0_FS_LOCATIONS       (1UL << 24)
319 #define FATTR4_WORD0_HIDDEN             (1UL << 25)
320 #define FATTR4_WORD0_HOMOGENEOUS        (1UL << 26)
321 #define FATTR4_WORD0_MAXFILESIZE        (1UL << 27)
322 #define FATTR4_WORD0_MAXLINK            (1UL << 28)
323 #define FATTR4_WORD0_MAXNAME            (1UL << 29)
324 #define FATTR4_WORD0_MAXREAD            (1UL << 30)
325 #define FATTR4_WORD0_MAXWRITE           (1UL << 31)
326 #define FATTR4_WORD1_MIMETYPE           (1UL << 0)
327 #define FATTR4_WORD1_MODE               (1UL << 1)
328 #define FATTR4_WORD1_NO_TRUNC           (1UL << 2)
329 #define FATTR4_WORD1_NUMLINKS           (1UL << 3)
330 #define FATTR4_WORD1_OWNER              (1UL << 4)
331 #define FATTR4_WORD1_OWNER_GROUP        (1UL << 5)
332 #define FATTR4_WORD1_QUOTA_HARD         (1UL << 6)
333 #define FATTR4_WORD1_QUOTA_SOFT         (1UL << 7)
334 #define FATTR4_WORD1_QUOTA_USED         (1UL << 8)
335 #define FATTR4_WORD1_RAWDEV             (1UL << 9)
336 #define FATTR4_WORD1_SPACE_AVAIL        (1UL << 10)
337 #define FATTR4_WORD1_SPACE_FREE         (1UL << 11)
338 #define FATTR4_WORD1_SPACE_TOTAL        (1UL << 12)
339 #define FATTR4_WORD1_SPACE_USED         (1UL << 13)
340 #define FATTR4_WORD1_SYSTEM             (1UL << 14)
341 #define FATTR4_WORD1_TIME_ACCESS        (1UL << 15)
342 #define FATTR4_WORD1_TIME_ACCESS_SET    (1UL << 16)
343 #define FATTR4_WORD1_TIME_BACKUP        (1UL << 17)
344 #define FATTR4_WORD1_TIME_CREATE        (1UL << 18)
345 #define FATTR4_WORD1_TIME_DELTA         (1UL << 19)
346 #define FATTR4_WORD1_TIME_METADATA      (1UL << 20)
347 #define FATTR4_WORD1_TIME_MODIFY        (1UL << 21)
348 #define FATTR4_WORD1_TIME_MODIFY_SET    (1UL << 22)
349 #define FATTR4_WORD1_MOUNTED_ON_FILEID  (1UL << 23)
350 
351 #define NFSPROC4_NULL 0
352 #define NFSPROC4_COMPOUND 1
353 #define NFS4_MINOR_VERSION 0
354 #define NFS4_DEBUG 1
355 
356 /* Index of predefined Linux client operations */
357 
358 enum {
359 	NFSPROC4_CLNT_NULL = 0,		/* Unused */
360 	NFSPROC4_CLNT_READ,
361 	NFSPROC4_CLNT_WRITE,
362 	NFSPROC4_CLNT_COMMIT,
363 	NFSPROC4_CLNT_OPEN,
364 	NFSPROC4_CLNT_OPEN_CONFIRM,
365 	NFSPROC4_CLNT_OPEN_NOATTR,
366 	NFSPROC4_CLNT_OPEN_DOWNGRADE,
367 	NFSPROC4_CLNT_CLOSE,
368 	NFSPROC4_CLNT_SETATTR,
369 	NFSPROC4_CLNT_FSINFO,
370 	NFSPROC4_CLNT_RENEW,
371 	NFSPROC4_CLNT_SETCLIENTID,
372 	NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
373 	NFSPROC4_CLNT_LOCK,
374 	NFSPROC4_CLNT_LOCKT,
375 	NFSPROC4_CLNT_LOCKU,
376 	NFSPROC4_CLNT_ACCESS,
377 	NFSPROC4_CLNT_GETATTR,
378 	NFSPROC4_CLNT_LOOKUP,
379 	NFSPROC4_CLNT_LOOKUP_ROOT,
380 	NFSPROC4_CLNT_REMOVE,
381 	NFSPROC4_CLNT_RENAME,
382 	NFSPROC4_CLNT_LINK,
383 	NFSPROC4_CLNT_SYMLINK,
384 	NFSPROC4_CLNT_CREATE,
385 	NFSPROC4_CLNT_PATHCONF,
386 	NFSPROC4_CLNT_STATFS,
387 	NFSPROC4_CLNT_READLINK,
388 	NFSPROC4_CLNT_READDIR,
389 	NFSPROC4_CLNT_SERVER_CAPS,
390 	NFSPROC4_CLNT_DELEGRETURN,
391 	NFSPROC4_CLNT_GETACL,
392 	NFSPROC4_CLNT_SETACL,
393 	NFSPROC4_CLNT_FS_LOCATIONS,
394 };
395 
396 #endif
397 #endif
398 
399 /*
400  * Local variables:
401  *  c-basic-offset: 8
402  * End:
403  */
404