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 <[email protected]> 10 * Andy Adamson <[email protected]> 11 */ 12 13 #ifndef _LINUX_NFS4_H 14 #define _LINUX_NFS4_H 15 16 #include <linux/types.h> 17 18 #define NFS4_BITMAP_SIZE 2 19 #define NFS4_VERIFIER_SIZE 8 20 #define NFS4_STATEID_SEQID_SIZE 4 21 #define NFS4_STATEID_OTHER_SIZE 12 22 #define NFS4_STATEID_SIZE (NFS4_STATEID_SEQID_SIZE + NFS4_STATEID_OTHER_SIZE) 23 #define NFS4_FHSIZE 128 24 #define NFS4_MAXPATHLEN PATH_MAX 25 #define NFS4_MAXNAMLEN NAME_MAX 26 #define NFS4_OPAQUE_LIMIT 1024 27 #define NFS4_MAX_SESSIONID_LEN 16 28 29 #define NFS4_ACCESS_READ 0x0001 30 #define NFS4_ACCESS_LOOKUP 0x0002 31 #define NFS4_ACCESS_MODIFY 0x0004 32 #define NFS4_ACCESS_EXTEND 0x0008 33 #define NFS4_ACCESS_DELETE 0x0010 34 #define NFS4_ACCESS_EXECUTE 0x0020 35 36 #define NFS4_FH_PERSISTENT 0x0000 37 #define NFS4_FH_NOEXPIRE_WITH_OPEN 0x0001 38 #define NFS4_FH_VOLATILE_ANY 0x0002 39 #define NFS4_FH_VOL_MIGRATION 0x0004 40 #define NFS4_FH_VOL_RENAME 0x0008 41 42 #define NFS4_OPEN_RESULT_CONFIRM 0x0002 43 #define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004 44 45 #define NFS4_SHARE_ACCESS_MASK 0x000F 46 #define NFS4_SHARE_ACCESS_READ 0x0001 47 #define NFS4_SHARE_ACCESS_WRITE 0x0002 48 #define NFS4_SHARE_ACCESS_BOTH 0x0003 49 #define NFS4_SHARE_DENY_READ 0x0001 50 #define NFS4_SHARE_DENY_WRITE 0x0002 51 #define NFS4_SHARE_DENY_BOTH 0x0003 52 53 /* nfs41 */ 54 #define NFS4_SHARE_WANT_MASK 0xFF00 55 #define NFS4_SHARE_WANT_NO_PREFERENCE 0x0000 56 #define NFS4_SHARE_WANT_READ_DELEG 0x0100 57 #define NFS4_SHARE_WANT_WRITE_DELEG 0x0200 58 #define NFS4_SHARE_WANT_ANY_DELEG 0x0300 59 #define NFS4_SHARE_WANT_NO_DELEG 0x0400 60 #define NFS4_SHARE_WANT_CANCEL 0x0500 61 62 #define NFS4_SHARE_WHEN_MASK 0xF0000 63 #define NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL 0x10000 64 #define NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED 0x20000 65 66 #define NFS4_CDFC4_FORE 0x1 67 #define NFS4_CDFC4_BACK 0x2 68 #define NFS4_CDFC4_BOTH 0x3 69 #define NFS4_CDFC4_FORE_OR_BOTH 0x3 70 #define NFS4_CDFC4_BACK_OR_BOTH 0x7 71 72 #define NFS4_CDFS4_FORE 0x1 73 #define NFS4_CDFS4_BACK 0x2 74 #define NFS4_CDFS4_BOTH 0x3 75 76 #define NFS4_SET_TO_SERVER_TIME 0 77 #define NFS4_SET_TO_CLIENT_TIME 1 78 79 #define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0 80 #define NFS4_ACE_ACCESS_DENIED_ACE_TYPE 1 81 #define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE 2 82 #define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE 3 83 84 #define ACL4_SUPPORT_ALLOW_ACL 0x01 85 #define ACL4_SUPPORT_DENY_ACL 0x02 86 #define ACL4_SUPPORT_AUDIT_ACL 0x04 87 #define ACL4_SUPPORT_ALARM_ACL 0x08 88 89 #define NFS4_ACE_FILE_INHERIT_ACE 0x00000001 90 #define NFS4_ACE_DIRECTORY_INHERIT_ACE 0x00000002 91 #define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE 0x00000004 92 #define NFS4_ACE_INHERIT_ONLY_ACE 0x00000008 93 #define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010 94 #define NFS4_ACE_FAILED_ACCESS_ACE_FLAG 0x00000020 95 #define NFS4_ACE_IDENTIFIER_GROUP 0x00000040 96 97 #define NFS4_ACE_READ_DATA 0x00000001 98 #define NFS4_ACE_LIST_DIRECTORY 0x00000001 99 #define NFS4_ACE_WRITE_DATA 0x00000002 100 #define NFS4_ACE_ADD_FILE 0x00000002 101 #define NFS4_ACE_APPEND_DATA 0x00000004 102 #define NFS4_ACE_ADD_SUBDIRECTORY 0x00000004 103 #define NFS4_ACE_READ_NAMED_ATTRS 0x00000008 104 #define NFS4_ACE_WRITE_NAMED_ATTRS 0x00000010 105 #define NFS4_ACE_EXECUTE 0x00000020 106 #define NFS4_ACE_DELETE_CHILD 0x00000040 107 #define NFS4_ACE_READ_ATTRIBUTES 0x00000080 108 #define NFS4_ACE_WRITE_ATTRIBUTES 0x00000100 109 #define NFS4_ACE_DELETE 0x00010000 110 #define NFS4_ACE_READ_ACL 0x00020000 111 #define NFS4_ACE_WRITE_ACL 0x00040000 112 #define NFS4_ACE_WRITE_OWNER 0x00080000 113 #define NFS4_ACE_SYNCHRONIZE 0x00100000 114 #define NFS4_ACE_GENERIC_READ 0x00120081 115 #define NFS4_ACE_GENERIC_WRITE 0x00160106 116 #define NFS4_ACE_GENERIC_EXECUTE 0x001200A0 117 #define NFS4_ACE_MASK_ALL 0x001F01FF 118 119 #define EXCHGID4_FLAG_SUPP_MOVED_REFER 0x00000001 120 #define EXCHGID4_FLAG_SUPP_MOVED_MIGR 0x00000002 121 #define EXCHGID4_FLAG_BIND_PRINC_STATEID 0x00000100 122 123 #define EXCHGID4_FLAG_USE_NON_PNFS 0x00010000 124 #define EXCHGID4_FLAG_USE_PNFS_MDS 0x00020000 125 #define EXCHGID4_FLAG_USE_PNFS_DS 0x00040000 126 #define EXCHGID4_FLAG_MASK_PNFS 0x00070000 127 128 #define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A 0x40000000 129 #define EXCHGID4_FLAG_CONFIRMED_R 0x80000000 130 /* 131 * Since the validity of these bits depends on whether 132 * they're set in the argument or response, have separate 133 * invalid flag masks for arg (_A) and resp (_R). 134 */ 135 #define EXCHGID4_FLAG_MASK_A 0x40070103 136 #define EXCHGID4_FLAG_MASK_R 0x80070103 137 138 #define SEQ4_STATUS_CB_PATH_DOWN 0x00000001 139 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING 0x00000002 140 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED 0x00000004 141 #define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED 0x00000008 142 #define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED 0x00000010 143 #define SEQ4_STATUS_ADMIN_STATE_REVOKED 0x00000020 144 #define SEQ4_STATUS_RECALLABLE_STATE_REVOKED 0x00000040 145 #define SEQ4_STATUS_LEASE_MOVED 0x00000080 146 #define SEQ4_STATUS_RESTART_RECLAIM_NEEDED 0x00000100 147 #define SEQ4_STATUS_CB_PATH_DOWN_SESSION 0x00000200 148 #define SEQ4_STATUS_BACKCHANNEL_FAULT 0x00000400 149 150 #define NFS4_SECINFO_STYLE4_CURRENT_FH 0 151 #define NFS4_SECINFO_STYLE4_PARENT 1 152 153 #define NFS4_MAX_UINT64 (~(u64)0) 154 155 /* An NFS4 sessions server must support at least NFS4_MAX_OPS operations. 156 * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly. 157 */ 158 #define NFS4_MAX_OPS 8 159 160 /* Our NFS4 client back channel server only wants the cb_sequene and the 161 * actual operation per compound 162 */ 163 #define NFS4_MAX_BACK_CHANNEL_OPS 2 164 165 enum nfs4_acl_whotype { 166 NFS4_ACL_WHO_NAMED = 0, 167 NFS4_ACL_WHO_OWNER, 168 NFS4_ACL_WHO_GROUP, 169 NFS4_ACL_WHO_EVERYONE, 170 }; 171 172 #ifdef __KERNEL__ 173 #include <linux/list.h> 174 175 struct nfs4_ace { 176 uint32_t type; 177 uint32_t flag; 178 uint32_t access_mask; 179 int whotype; 180 uid_t who; 181 }; 182 183 struct nfs4_acl { 184 uint32_t naces; 185 struct nfs4_ace aces[0]; 186 }; 187 188 typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier; 189 190 struct nfs_stateid4 { 191 __be32 seqid; 192 char other[NFS4_STATEID_OTHER_SIZE]; 193 } __attribute__ ((packed)); 194 195 typedef struct nfs_stateid4 nfs4_stateid; 196 197 enum nfs_opnum4 { 198 OP_ACCESS = 3, 199 OP_CLOSE = 4, 200 OP_COMMIT = 5, 201 OP_CREATE = 6, 202 OP_DELEGPURGE = 7, 203 OP_DELEGRETURN = 8, 204 OP_GETATTR = 9, 205 OP_GETFH = 10, 206 OP_LINK = 11, 207 OP_LOCK = 12, 208 OP_LOCKT = 13, 209 OP_LOCKU = 14, 210 OP_LOOKUP = 15, 211 OP_LOOKUPP = 16, 212 OP_NVERIFY = 17, 213 OP_OPEN = 18, 214 OP_OPENATTR = 19, 215 OP_OPEN_CONFIRM = 20, 216 OP_OPEN_DOWNGRADE = 21, 217 OP_PUTFH = 22, 218 OP_PUTPUBFH = 23, 219 OP_PUTROOTFH = 24, 220 OP_READ = 25, 221 OP_READDIR = 26, 222 OP_READLINK = 27, 223 OP_REMOVE = 28, 224 OP_RENAME = 29, 225 OP_RENEW = 30, 226 OP_RESTOREFH = 31, 227 OP_SAVEFH = 32, 228 OP_SECINFO = 33, 229 OP_SETATTR = 34, 230 OP_SETCLIENTID = 35, 231 OP_SETCLIENTID_CONFIRM = 36, 232 OP_VERIFY = 37, 233 OP_WRITE = 38, 234 OP_RELEASE_LOCKOWNER = 39, 235 236 /* nfs41 */ 237 OP_BACKCHANNEL_CTL = 40, 238 OP_BIND_CONN_TO_SESSION = 41, 239 OP_EXCHANGE_ID = 42, 240 OP_CREATE_SESSION = 43, 241 OP_DESTROY_SESSION = 44, 242 OP_FREE_STATEID = 45, 243 OP_GET_DIR_DELEGATION = 46, 244 OP_GETDEVICEINFO = 47, 245 OP_GETDEVICELIST = 48, 246 OP_LAYOUTCOMMIT = 49, 247 OP_LAYOUTGET = 50, 248 OP_LAYOUTRETURN = 51, 249 OP_SECINFO_NO_NAME = 52, 250 OP_SEQUENCE = 53, 251 OP_SET_SSV = 54, 252 OP_TEST_STATEID = 55, 253 OP_WANT_DELEGATION = 56, 254 OP_DESTROY_CLIENTID = 57, 255 OP_RECLAIM_COMPLETE = 58, 256 257 OP_ILLEGAL = 10044, 258 }; 259 260 /*Defining first and last NFS4 operations implemented. 261 Needs to be updated if more operations are defined in future.*/ 262 263 #define FIRST_NFS4_OP OP_ACCESS 264 #define LAST_NFS4_OP OP_RECLAIM_COMPLETE 265 266 enum nfsstat4 { 267 NFS4_OK = 0, 268 NFS4ERR_PERM = 1, 269 NFS4ERR_NOENT = 2, 270 NFS4ERR_IO = 5, 271 NFS4ERR_NXIO = 6, 272 NFS4ERR_ACCESS = 13, 273 NFS4ERR_EXIST = 17, 274 NFS4ERR_XDEV = 18, 275 /* Unused/reserved 19 */ 276 NFS4ERR_NOTDIR = 20, 277 NFS4ERR_ISDIR = 21, 278 NFS4ERR_INVAL = 22, 279 NFS4ERR_FBIG = 27, 280 NFS4ERR_NOSPC = 28, 281 NFS4ERR_ROFS = 30, 282 NFS4ERR_MLINK = 31, 283 NFS4ERR_NAMETOOLONG = 63, 284 NFS4ERR_NOTEMPTY = 66, 285 NFS4ERR_DQUOT = 69, 286 NFS4ERR_STALE = 70, 287 NFS4ERR_BADHANDLE = 10001, 288 NFS4ERR_BAD_COOKIE = 10003, 289 NFS4ERR_NOTSUPP = 10004, 290 NFS4ERR_TOOSMALL = 10005, 291 NFS4ERR_SERVERFAULT = 10006, 292 NFS4ERR_BADTYPE = 10007, 293 NFS4ERR_DELAY = 10008, 294 NFS4ERR_SAME = 10009, 295 NFS4ERR_DENIED = 10010, 296 NFS4ERR_EXPIRED = 10011, 297 NFS4ERR_LOCKED = 10012, 298 NFS4ERR_GRACE = 10013, 299 NFS4ERR_FHEXPIRED = 10014, 300 NFS4ERR_SHARE_DENIED = 10015, 301 NFS4ERR_WRONGSEC = 10016, 302 NFS4ERR_CLID_INUSE = 10017, 303 NFS4ERR_RESOURCE = 10018, 304 NFS4ERR_MOVED = 10019, 305 NFS4ERR_NOFILEHANDLE = 10020, 306 NFS4ERR_MINOR_VERS_MISMATCH = 10021, 307 NFS4ERR_STALE_CLIENTID = 10022, 308 NFS4ERR_STALE_STATEID = 10023, 309 NFS4ERR_OLD_STATEID = 10024, 310 NFS4ERR_BAD_STATEID = 10025, 311 NFS4ERR_BAD_SEQID = 10026, 312 NFS4ERR_NOT_SAME = 10027, 313 NFS4ERR_LOCK_RANGE = 10028, 314 NFS4ERR_SYMLINK = 10029, 315 NFS4ERR_RESTOREFH = 10030, 316 NFS4ERR_LEASE_MOVED = 10031, 317 NFS4ERR_ATTRNOTSUPP = 10032, 318 NFS4ERR_NO_GRACE = 10033, 319 NFS4ERR_RECLAIM_BAD = 10034, 320 NFS4ERR_RECLAIM_CONFLICT = 10035, 321 NFS4ERR_BADXDR = 10036, 322 NFS4ERR_LOCKS_HELD = 10037, 323 NFS4ERR_OPENMODE = 10038, 324 NFS4ERR_BADOWNER = 10039, 325 NFS4ERR_BADCHAR = 10040, 326 NFS4ERR_BADNAME = 10041, 327 NFS4ERR_BAD_RANGE = 10042, 328 NFS4ERR_LOCK_NOTSUPP = 10043, 329 NFS4ERR_OP_ILLEGAL = 10044, 330 NFS4ERR_DEADLOCK = 10045, 331 NFS4ERR_FILE_OPEN = 10046, 332 NFS4ERR_ADMIN_REVOKED = 10047, 333 NFS4ERR_CB_PATH_DOWN = 10048, 334 335 /* nfs41 */ 336 NFS4ERR_BADIOMODE = 10049, 337 NFS4ERR_BADLAYOUT = 10050, 338 NFS4ERR_BAD_SESSION_DIGEST = 10051, 339 NFS4ERR_BADSESSION = 10052, 340 NFS4ERR_BADSLOT = 10053, 341 NFS4ERR_COMPLETE_ALREADY = 10054, 342 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055, 343 NFS4ERR_DELEG_ALREADY_WANTED = 10056, 344 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */ 345 NFS4ERR_LAYOUTTRYLATER = 10058, 346 NFS4ERR_LAYOUTUNAVAILABLE = 10059, 347 NFS4ERR_NOMATCHING_LAYOUT = 10060, 348 NFS4ERR_RECALLCONFLICT = 10061, 349 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062, 350 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */ 351 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */ 352 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */ 353 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */ 354 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */ 355 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */ 356 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */ 357 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */ 358 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */ 359 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */ 360 /* Error 10073 is unused. */ 361 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */ 362 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */ 363 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */ 364 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */ 365 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */ 366 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */ 367 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */ 368 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */ 369 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */ 370 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */ 371 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */ 372 NFS4ERR_REJECT_DELEG = 10085, /* on callback */ 373 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */ 374 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */ 375 }; 376 377 static inline bool seqid_mutating_err(u32 err) 378 { 379 /* rfc 3530 section 8.1.5: */ 380 switch (err) { 381 case NFS4ERR_STALE_CLIENTID: 382 case NFS4ERR_STALE_STATEID: 383 case NFS4ERR_BAD_STATEID: 384 case NFS4ERR_BAD_SEQID: 385 case NFS4ERR_BADXDR: 386 case NFS4ERR_RESOURCE: 387 case NFS4ERR_NOFILEHANDLE: 388 return false; 389 }; 390 return true; 391 } 392 393 /* 394 * Note: NF4BAD is not actually part of the protocol; it is just used 395 * internally by nfsd. 396 */ 397 enum nfs_ftype4 { 398 NF4BAD = 0, 399 NF4REG = 1, /* Regular File */ 400 NF4DIR = 2, /* Directory */ 401 NF4BLK = 3, /* Special File - block device */ 402 NF4CHR = 4, /* Special File - character device */ 403 NF4LNK = 5, /* Symbolic Link */ 404 NF4SOCK = 6, /* Special File - socket */ 405 NF4FIFO = 7, /* Special File - fifo */ 406 NF4ATTRDIR = 8, /* Attribute Directory */ 407 NF4NAMEDATTR = 9 /* Named Attribute */ 408 }; 409 410 enum open_claim_type4 { 411 NFS4_OPEN_CLAIM_NULL = 0, 412 NFS4_OPEN_CLAIM_PREVIOUS = 1, 413 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2, 414 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3, 415 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */ 416 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */ 417 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */ 418 }; 419 420 enum opentype4 { 421 NFS4_OPEN_NOCREATE = 0, 422 NFS4_OPEN_CREATE = 1 423 }; 424 425 enum createmode4 { 426 NFS4_CREATE_UNCHECKED = 0, 427 NFS4_CREATE_GUARDED = 1, 428 NFS4_CREATE_EXCLUSIVE = 2, 429 /* 430 * New to NFSv4.1. If session is persistent, 431 * GUARDED4 MUST be used. Otherwise, use 432 * EXCLUSIVE4_1 instead of EXCLUSIVE4. 433 */ 434 NFS4_CREATE_EXCLUSIVE4_1 = 3 435 }; 436 437 enum limit_by4 { 438 NFS4_LIMIT_SIZE = 1, 439 NFS4_LIMIT_BLOCKS = 2 440 }; 441 442 enum open_delegation_type4 { 443 NFS4_OPEN_DELEGATE_NONE = 0, 444 NFS4_OPEN_DELEGATE_READ = 1, 445 NFS4_OPEN_DELEGATE_WRITE = 2, 446 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */ 447 }; 448 449 enum why_no_delegation4 { /* new to v4.1 */ 450 WND4_NOT_WANTED = 0, 451 WND4_CONTENTION = 1, 452 WND4_RESOURCE = 2, 453 WND4_NOT_SUPP_FTYPE = 3, 454 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4, 455 WND4_NOT_SUPP_UPGRADE = 5, 456 WND4_NOT_SUPP_DOWNGRADE = 6, 457 WND4_CANCELLED = 7, 458 WND4_IS_DIR = 8, 459 }; 460 461 enum lock_type4 { 462 NFS4_UNLOCK_LT = 0, 463 NFS4_READ_LT = 1, 464 NFS4_WRITE_LT = 2, 465 NFS4_READW_LT = 3, 466 NFS4_WRITEW_LT = 4 467 }; 468 469 470 /* Mandatory Attributes */ 471 #define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0) 472 #define FATTR4_WORD0_TYPE (1UL << 1) 473 #define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2) 474 #define FATTR4_WORD0_CHANGE (1UL << 3) 475 #define FATTR4_WORD0_SIZE (1UL << 4) 476 #define FATTR4_WORD0_LINK_SUPPORT (1UL << 5) 477 #define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6) 478 #define FATTR4_WORD0_NAMED_ATTR (1UL << 7) 479 #define FATTR4_WORD0_FSID (1UL << 8) 480 #define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9) 481 #define FATTR4_WORD0_LEASE_TIME (1UL << 10) 482 #define FATTR4_WORD0_RDATTR_ERROR (1UL << 11) 483 /* Mandatory in NFSv4.1 */ 484 #define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11) 485 486 /* Recommended Attributes */ 487 #define FATTR4_WORD0_ACL (1UL << 12) 488 #define FATTR4_WORD0_ACLSUPPORT (1UL << 13) 489 #define FATTR4_WORD0_ARCHIVE (1UL << 14) 490 #define FATTR4_WORD0_CANSETTIME (1UL << 15) 491 #define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16) 492 #define FATTR4_WORD0_CASE_PRESERVING (1UL << 17) 493 #define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18) 494 #define FATTR4_WORD0_FILEHANDLE (1UL << 19) 495 #define FATTR4_WORD0_FILEID (1UL << 20) 496 #define FATTR4_WORD0_FILES_AVAIL (1UL << 21) 497 #define FATTR4_WORD0_FILES_FREE (1UL << 22) 498 #define FATTR4_WORD0_FILES_TOTAL (1UL << 23) 499 #define FATTR4_WORD0_FS_LOCATIONS (1UL << 24) 500 #define FATTR4_WORD0_HIDDEN (1UL << 25) 501 #define FATTR4_WORD0_HOMOGENEOUS (1UL << 26) 502 #define FATTR4_WORD0_MAXFILESIZE (1UL << 27) 503 #define FATTR4_WORD0_MAXLINK (1UL << 28) 504 #define FATTR4_WORD0_MAXNAME (1UL << 29) 505 #define FATTR4_WORD0_MAXREAD (1UL << 30) 506 #define FATTR4_WORD0_MAXWRITE (1UL << 31) 507 #define FATTR4_WORD1_MIMETYPE (1UL << 0) 508 #define FATTR4_WORD1_MODE (1UL << 1) 509 #define FATTR4_WORD1_NO_TRUNC (1UL << 2) 510 #define FATTR4_WORD1_NUMLINKS (1UL << 3) 511 #define FATTR4_WORD1_OWNER (1UL << 4) 512 #define FATTR4_WORD1_OWNER_GROUP (1UL << 5) 513 #define FATTR4_WORD1_QUOTA_HARD (1UL << 6) 514 #define FATTR4_WORD1_QUOTA_SOFT (1UL << 7) 515 #define FATTR4_WORD1_QUOTA_USED (1UL << 8) 516 #define FATTR4_WORD1_RAWDEV (1UL << 9) 517 #define FATTR4_WORD1_SPACE_AVAIL (1UL << 10) 518 #define FATTR4_WORD1_SPACE_FREE (1UL << 11) 519 #define FATTR4_WORD1_SPACE_TOTAL (1UL << 12) 520 #define FATTR4_WORD1_SPACE_USED (1UL << 13) 521 #define FATTR4_WORD1_SYSTEM (1UL << 14) 522 #define FATTR4_WORD1_TIME_ACCESS (1UL << 15) 523 #define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16) 524 #define FATTR4_WORD1_TIME_BACKUP (1UL << 17) 525 #define FATTR4_WORD1_TIME_CREATE (1UL << 18) 526 #define FATTR4_WORD1_TIME_DELTA (1UL << 19) 527 #define FATTR4_WORD1_TIME_METADATA (1UL << 20) 528 #define FATTR4_WORD1_TIME_MODIFY (1UL << 21) 529 #define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22) 530 #define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23) 531 #define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30) 532 #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) 533 #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) 534 535 /* MDS threshold bitmap bits */ 536 #define THRESHOLD_RD (1UL << 0) 537 #define THRESHOLD_WR (1UL << 1) 538 #define THRESHOLD_RD_IO (1UL << 2) 539 #define THRESHOLD_WR_IO (1UL << 3) 540 541 #define NFSPROC4_NULL 0 542 #define NFSPROC4_COMPOUND 1 543 #define NFS4_VERSION 4 544 #define NFS4_MINOR_VERSION 0 545 546 #if defined(CONFIG_NFS_V4_1) 547 #define NFS4_MAX_MINOR_VERSION 1 548 #else 549 #define NFS4_MAX_MINOR_VERSION 0 550 #endif /* CONFIG_NFS_V4_1 */ 551 552 #define NFS4_DEBUG 1 553 554 /* Index of predefined Linux client operations */ 555 556 enum { 557 NFSPROC4_CLNT_NULL = 0, /* Unused */ 558 NFSPROC4_CLNT_READ, 559 NFSPROC4_CLNT_WRITE, 560 NFSPROC4_CLNT_COMMIT, 561 NFSPROC4_CLNT_OPEN, 562 NFSPROC4_CLNT_OPEN_CONFIRM, 563 NFSPROC4_CLNT_OPEN_NOATTR, 564 NFSPROC4_CLNT_OPEN_DOWNGRADE, 565 NFSPROC4_CLNT_CLOSE, 566 NFSPROC4_CLNT_SETATTR, 567 NFSPROC4_CLNT_FSINFO, 568 NFSPROC4_CLNT_RENEW, 569 NFSPROC4_CLNT_SETCLIENTID, 570 NFSPROC4_CLNT_SETCLIENTID_CONFIRM, 571 NFSPROC4_CLNT_LOCK, 572 NFSPROC4_CLNT_LOCKT, 573 NFSPROC4_CLNT_LOCKU, 574 NFSPROC4_CLNT_ACCESS, 575 NFSPROC4_CLNT_GETATTR, 576 NFSPROC4_CLNT_LOOKUP, 577 NFSPROC4_CLNT_LOOKUP_ROOT, 578 NFSPROC4_CLNT_REMOVE, 579 NFSPROC4_CLNT_RENAME, 580 NFSPROC4_CLNT_LINK, 581 NFSPROC4_CLNT_SYMLINK, 582 NFSPROC4_CLNT_CREATE, 583 NFSPROC4_CLNT_PATHCONF, 584 NFSPROC4_CLNT_STATFS, 585 NFSPROC4_CLNT_READLINK, 586 NFSPROC4_CLNT_READDIR, 587 NFSPROC4_CLNT_SERVER_CAPS, 588 NFSPROC4_CLNT_DELEGRETURN, 589 NFSPROC4_CLNT_GETACL, 590 NFSPROC4_CLNT_SETACL, 591 NFSPROC4_CLNT_FS_LOCATIONS, 592 NFSPROC4_CLNT_RELEASE_LOCKOWNER, 593 NFSPROC4_CLNT_SECINFO, 594 595 /* nfs41 */ 596 NFSPROC4_CLNT_EXCHANGE_ID, 597 NFSPROC4_CLNT_CREATE_SESSION, 598 NFSPROC4_CLNT_DESTROY_SESSION, 599 NFSPROC4_CLNT_SEQUENCE, 600 NFSPROC4_CLNT_GET_LEASE_TIME, 601 NFSPROC4_CLNT_RECLAIM_COMPLETE, 602 NFSPROC4_CLNT_LAYOUTGET, 603 NFSPROC4_CLNT_GETDEVICEINFO, 604 NFSPROC4_CLNT_LAYOUTCOMMIT, 605 NFSPROC4_CLNT_LAYOUTRETURN, 606 NFSPROC4_CLNT_SECINFO_NO_NAME, 607 NFSPROC4_CLNT_TEST_STATEID, 608 NFSPROC4_CLNT_FREE_STATEID, 609 NFSPROC4_CLNT_GETDEVICELIST, 610 NFSPROC4_CLNT_BIND_CONN_TO_SESSION, 611 NFSPROC4_CLNT_DESTROY_CLIENTID, 612 }; 613 614 /* nfs41 types */ 615 struct nfs4_sessionid { 616 unsigned char data[NFS4_MAX_SESSIONID_LEN]; 617 }; 618 619 /* Create Session Flags */ 620 #define SESSION4_PERSIST 0x001 621 #define SESSION4_BACK_CHAN 0x002 622 #define SESSION4_RDMA 0x004 623 624 #define SESSION4_FLAG_MASK_A 0x007 625 626 enum state_protect_how4 { 627 SP4_NONE = 0, 628 SP4_MACH_CRED = 1, 629 SP4_SSV = 2 630 }; 631 632 enum pnfs_layouttype { 633 LAYOUT_NFSV4_1_FILES = 1, 634 LAYOUT_OSD2_OBJECTS = 2, 635 LAYOUT_BLOCK_VOLUME = 3, 636 }; 637 638 /* used for both layout return and recall */ 639 enum pnfs_layoutreturn_type { 640 RETURN_FILE = 1, 641 RETURN_FSID = 2, 642 RETURN_ALL = 3 643 }; 644 645 enum pnfs_iomode { 646 IOMODE_READ = 1, 647 IOMODE_RW = 2, 648 IOMODE_ANY = 3, 649 }; 650 651 enum pnfs_notify_deviceid_type4 { 652 NOTIFY_DEVICEID4_CHANGE = 1 << 1, 653 NOTIFY_DEVICEID4_DELETE = 1 << 2, 654 }; 655 656 #define NFL4_UFLG_MASK 0x0000003F 657 #define NFL4_UFLG_DENSE 0x00000001 658 #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002 659 #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0 660 661 /* Encoded in the loh_body field of type layouthint4 */ 662 enum filelayout_hint_care4 { 663 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE, 664 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS, 665 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040, 666 NFLH4_CARE_STRIPE_COUNT = 0x00000080 667 }; 668 669 #define NFS4_DEVICEID4_SIZE 16 670 671 struct nfs4_deviceid { 672 char data[NFS4_DEVICEID4_SIZE]; 673 }; 674 675 #endif 676 #endif 677 678 /* 679 * Local variables: 680 * c-basic-offset: 8 681 * End: 682 */ 683