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 #ifndef _LINUX_NFS4_H 13 #define _LINUX_NFS4_H 14 15 #include <linux/list.h> 16 #include <linux/uidgid.h> 17 #include <uapi/linux/nfs4.h> 18 19 enum nfs4_acl_whotype { 20 NFS4_ACL_WHO_NAMED = 0, 21 NFS4_ACL_WHO_OWNER, 22 NFS4_ACL_WHO_GROUP, 23 NFS4_ACL_WHO_EVERYONE, 24 }; 25 26 struct nfs4_ace { 27 uint32_t type; 28 uint32_t flag; 29 uint32_t access_mask; 30 int whotype; 31 union { 32 kuid_t who_uid; 33 kgid_t who_gid; 34 }; 35 }; 36 37 struct nfs4_acl { 38 uint32_t naces; 39 struct nfs4_ace aces[0]; 40 }; 41 42 #define NFS4_MAXLABELLEN 2048 43 44 struct nfs4_label { 45 uint32_t lfs; 46 uint32_t pi; 47 u32 len; 48 char *label; 49 }; 50 51 typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier; 52 53 struct nfs4_stateid_struct { 54 union { 55 char data[NFS4_STATEID_SIZE]; 56 struct { 57 __be32 seqid; 58 char other[NFS4_STATEID_OTHER_SIZE]; 59 } __attribute__ ((packed)); 60 }; 61 62 enum { 63 NFS4_INVALID_STATEID_TYPE = 0, 64 NFS4_SPECIAL_STATEID_TYPE, 65 NFS4_OPEN_STATEID_TYPE, 66 NFS4_LOCK_STATEID_TYPE, 67 NFS4_DELEGATION_STATEID_TYPE, 68 NFS4_LAYOUT_STATEID_TYPE, 69 NFS4_PNFS_DS_STATEID_TYPE, 70 NFS4_REVOKED_STATEID_TYPE, 71 } type; 72 }; 73 74 typedef struct nfs4_stateid_struct nfs4_stateid; 75 76 enum nfs_opnum4 { 77 OP_ACCESS = 3, 78 OP_CLOSE = 4, 79 OP_COMMIT = 5, 80 OP_CREATE = 6, 81 OP_DELEGPURGE = 7, 82 OP_DELEGRETURN = 8, 83 OP_GETATTR = 9, 84 OP_GETFH = 10, 85 OP_LINK = 11, 86 OP_LOCK = 12, 87 OP_LOCKT = 13, 88 OP_LOCKU = 14, 89 OP_LOOKUP = 15, 90 OP_LOOKUPP = 16, 91 OP_NVERIFY = 17, 92 OP_OPEN = 18, 93 OP_OPENATTR = 19, 94 OP_OPEN_CONFIRM = 20, 95 OP_OPEN_DOWNGRADE = 21, 96 OP_PUTFH = 22, 97 OP_PUTPUBFH = 23, 98 OP_PUTROOTFH = 24, 99 OP_READ = 25, 100 OP_READDIR = 26, 101 OP_READLINK = 27, 102 OP_REMOVE = 28, 103 OP_RENAME = 29, 104 OP_RENEW = 30, 105 OP_RESTOREFH = 31, 106 OP_SAVEFH = 32, 107 OP_SECINFO = 33, 108 OP_SETATTR = 34, 109 OP_SETCLIENTID = 35, 110 OP_SETCLIENTID_CONFIRM = 36, 111 OP_VERIFY = 37, 112 OP_WRITE = 38, 113 OP_RELEASE_LOCKOWNER = 39, 114 115 /* nfs41 */ 116 OP_BACKCHANNEL_CTL = 40, 117 OP_BIND_CONN_TO_SESSION = 41, 118 OP_EXCHANGE_ID = 42, 119 OP_CREATE_SESSION = 43, 120 OP_DESTROY_SESSION = 44, 121 OP_FREE_STATEID = 45, 122 OP_GET_DIR_DELEGATION = 46, 123 OP_GETDEVICEINFO = 47, 124 OP_GETDEVICELIST = 48, 125 OP_LAYOUTCOMMIT = 49, 126 OP_LAYOUTGET = 50, 127 OP_LAYOUTRETURN = 51, 128 OP_SECINFO_NO_NAME = 52, 129 OP_SEQUENCE = 53, 130 OP_SET_SSV = 54, 131 OP_TEST_STATEID = 55, 132 OP_WANT_DELEGATION = 56, 133 OP_DESTROY_CLIENTID = 57, 134 OP_RECLAIM_COMPLETE = 58, 135 136 /* nfs42 */ 137 OP_ALLOCATE = 59, 138 OP_COPY = 60, 139 OP_COPY_NOTIFY = 61, 140 OP_DEALLOCATE = 62, 141 OP_IO_ADVISE = 63, 142 OP_LAYOUTERROR = 64, 143 OP_LAYOUTSTATS = 65, 144 OP_OFFLOAD_CANCEL = 66, 145 OP_OFFLOAD_STATUS = 67, 146 OP_READ_PLUS = 68, 147 OP_SEEK = 69, 148 OP_WRITE_SAME = 70, 149 OP_CLONE = 71, 150 151 OP_ILLEGAL = 10044, 152 }; 153 154 /*Defining first and last NFS4 operations implemented. 155 Needs to be updated if more operations are defined in future.*/ 156 157 #define FIRST_NFS4_OP OP_ACCESS 158 #define LAST_NFS40_OP OP_RELEASE_LOCKOWNER 159 #define LAST_NFS41_OP OP_RECLAIM_COMPLETE 160 #define LAST_NFS42_OP OP_CLONE 161 #define LAST_NFS4_OP LAST_NFS42_OP 162 163 enum nfsstat4 { 164 NFS4_OK = 0, 165 NFS4ERR_PERM = 1, 166 NFS4ERR_NOENT = 2, 167 NFS4ERR_IO = 5, 168 NFS4ERR_NXIO = 6, 169 NFS4ERR_ACCESS = 13, 170 NFS4ERR_EXIST = 17, 171 NFS4ERR_XDEV = 18, 172 /* Unused/reserved 19 */ 173 NFS4ERR_NOTDIR = 20, 174 NFS4ERR_ISDIR = 21, 175 NFS4ERR_INVAL = 22, 176 NFS4ERR_FBIG = 27, 177 NFS4ERR_NOSPC = 28, 178 NFS4ERR_ROFS = 30, 179 NFS4ERR_MLINK = 31, 180 NFS4ERR_NAMETOOLONG = 63, 181 NFS4ERR_NOTEMPTY = 66, 182 NFS4ERR_DQUOT = 69, 183 NFS4ERR_STALE = 70, 184 NFS4ERR_BADHANDLE = 10001, 185 NFS4ERR_BAD_COOKIE = 10003, 186 NFS4ERR_NOTSUPP = 10004, 187 NFS4ERR_TOOSMALL = 10005, 188 NFS4ERR_SERVERFAULT = 10006, 189 NFS4ERR_BADTYPE = 10007, 190 NFS4ERR_DELAY = 10008, 191 NFS4ERR_SAME = 10009, 192 NFS4ERR_DENIED = 10010, 193 NFS4ERR_EXPIRED = 10011, 194 NFS4ERR_LOCKED = 10012, 195 NFS4ERR_GRACE = 10013, 196 NFS4ERR_FHEXPIRED = 10014, 197 NFS4ERR_SHARE_DENIED = 10015, 198 NFS4ERR_WRONGSEC = 10016, 199 NFS4ERR_CLID_INUSE = 10017, 200 NFS4ERR_RESOURCE = 10018, 201 NFS4ERR_MOVED = 10019, 202 NFS4ERR_NOFILEHANDLE = 10020, 203 NFS4ERR_MINOR_VERS_MISMATCH = 10021, 204 NFS4ERR_STALE_CLIENTID = 10022, 205 NFS4ERR_STALE_STATEID = 10023, 206 NFS4ERR_OLD_STATEID = 10024, 207 NFS4ERR_BAD_STATEID = 10025, 208 NFS4ERR_BAD_SEQID = 10026, 209 NFS4ERR_NOT_SAME = 10027, 210 NFS4ERR_LOCK_RANGE = 10028, 211 NFS4ERR_SYMLINK = 10029, 212 NFS4ERR_RESTOREFH = 10030, 213 NFS4ERR_LEASE_MOVED = 10031, 214 NFS4ERR_ATTRNOTSUPP = 10032, 215 NFS4ERR_NO_GRACE = 10033, 216 NFS4ERR_RECLAIM_BAD = 10034, 217 NFS4ERR_RECLAIM_CONFLICT = 10035, 218 NFS4ERR_BADXDR = 10036, 219 NFS4ERR_LOCKS_HELD = 10037, 220 NFS4ERR_OPENMODE = 10038, 221 NFS4ERR_BADOWNER = 10039, 222 NFS4ERR_BADCHAR = 10040, 223 NFS4ERR_BADNAME = 10041, 224 NFS4ERR_BAD_RANGE = 10042, 225 NFS4ERR_LOCK_NOTSUPP = 10043, 226 NFS4ERR_OP_ILLEGAL = 10044, 227 NFS4ERR_DEADLOCK = 10045, 228 NFS4ERR_FILE_OPEN = 10046, 229 NFS4ERR_ADMIN_REVOKED = 10047, 230 NFS4ERR_CB_PATH_DOWN = 10048, 231 232 /* nfs41 */ 233 NFS4ERR_BADIOMODE = 10049, 234 NFS4ERR_BADLAYOUT = 10050, 235 NFS4ERR_BAD_SESSION_DIGEST = 10051, 236 NFS4ERR_BADSESSION = 10052, 237 NFS4ERR_BADSLOT = 10053, 238 NFS4ERR_COMPLETE_ALREADY = 10054, 239 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055, 240 NFS4ERR_DELEG_ALREADY_WANTED = 10056, 241 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */ 242 NFS4ERR_LAYOUTTRYLATER = 10058, 243 NFS4ERR_LAYOUTUNAVAILABLE = 10059, 244 NFS4ERR_NOMATCHING_LAYOUT = 10060, 245 NFS4ERR_RECALLCONFLICT = 10061, 246 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062, 247 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */ 248 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */ 249 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */ 250 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */ 251 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */ 252 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */ 253 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */ 254 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */ 255 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */ 256 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */ 257 /* Error 10073 is unused. */ 258 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */ 259 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */ 260 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */ 261 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */ 262 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */ 263 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */ 264 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */ 265 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */ 266 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */ 267 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */ 268 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */ 269 NFS4ERR_REJECT_DELEG = 10085, /* on callback */ 270 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */ 271 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */ 272 273 /* nfs42 */ 274 NFS4ERR_PARTNER_NOTSUPP = 10088, 275 NFS4ERR_PARTNER_NO_AUTH = 10089, 276 NFS4ERR_UNION_NOTSUPP = 10090, 277 NFS4ERR_OFFLOAD_DENIED = 10091, 278 NFS4ERR_WRONG_LFS = 10092, 279 NFS4ERR_BADLABEL = 10093, 280 NFS4ERR_OFFLOAD_NO_REQS = 10094, 281 }; 282 283 static inline bool seqid_mutating_err(u32 err) 284 { 285 /* rfc 3530 section 8.1.5: */ 286 switch (err) { 287 case NFS4ERR_STALE_CLIENTID: 288 case NFS4ERR_STALE_STATEID: 289 case NFS4ERR_BAD_STATEID: 290 case NFS4ERR_BAD_SEQID: 291 case NFS4ERR_BADXDR: 292 case NFS4ERR_RESOURCE: 293 case NFS4ERR_NOFILEHANDLE: 294 return false; 295 }; 296 return true; 297 } 298 299 /* 300 * Note: NF4BAD is not actually part of the protocol; it is just used 301 * internally by nfsd. 302 */ 303 enum nfs_ftype4 { 304 NF4BAD = 0, 305 NF4REG = 1, /* Regular File */ 306 NF4DIR = 2, /* Directory */ 307 NF4BLK = 3, /* Special File - block device */ 308 NF4CHR = 4, /* Special File - character device */ 309 NF4LNK = 5, /* Symbolic Link */ 310 NF4SOCK = 6, /* Special File - socket */ 311 NF4FIFO = 7, /* Special File - fifo */ 312 NF4ATTRDIR = 8, /* Attribute Directory */ 313 NF4NAMEDATTR = 9 /* Named Attribute */ 314 }; 315 316 enum open_claim_type4 { 317 NFS4_OPEN_CLAIM_NULL = 0, 318 NFS4_OPEN_CLAIM_PREVIOUS = 1, 319 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2, 320 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3, 321 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */ 322 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */ 323 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */ 324 }; 325 326 enum opentype4 { 327 NFS4_OPEN_NOCREATE = 0, 328 NFS4_OPEN_CREATE = 1 329 }; 330 331 enum createmode4 { 332 NFS4_CREATE_UNCHECKED = 0, 333 NFS4_CREATE_GUARDED = 1, 334 NFS4_CREATE_EXCLUSIVE = 2, 335 /* 336 * New to NFSv4.1. If session is persistent, 337 * GUARDED4 MUST be used. Otherwise, use 338 * EXCLUSIVE4_1 instead of EXCLUSIVE4. 339 */ 340 NFS4_CREATE_EXCLUSIVE4_1 = 3 341 }; 342 343 enum limit_by4 { 344 NFS4_LIMIT_SIZE = 1, 345 NFS4_LIMIT_BLOCKS = 2 346 }; 347 348 enum open_delegation_type4 { 349 NFS4_OPEN_DELEGATE_NONE = 0, 350 NFS4_OPEN_DELEGATE_READ = 1, 351 NFS4_OPEN_DELEGATE_WRITE = 2, 352 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */ 353 }; 354 355 enum why_no_delegation4 { /* new to v4.1 */ 356 WND4_NOT_WANTED = 0, 357 WND4_CONTENTION = 1, 358 WND4_RESOURCE = 2, 359 WND4_NOT_SUPP_FTYPE = 3, 360 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4, 361 WND4_NOT_SUPP_UPGRADE = 5, 362 WND4_NOT_SUPP_DOWNGRADE = 6, 363 WND4_CANCELLED = 7, 364 WND4_IS_DIR = 8, 365 }; 366 367 enum lock_type4 { 368 NFS4_UNLOCK_LT = 0, 369 NFS4_READ_LT = 1, 370 NFS4_WRITE_LT = 2, 371 NFS4_READW_LT = 3, 372 NFS4_WRITEW_LT = 4 373 }; 374 375 376 /* Mandatory Attributes */ 377 #define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0) 378 #define FATTR4_WORD0_TYPE (1UL << 1) 379 #define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2) 380 #define FATTR4_WORD0_CHANGE (1UL << 3) 381 #define FATTR4_WORD0_SIZE (1UL << 4) 382 #define FATTR4_WORD0_LINK_SUPPORT (1UL << 5) 383 #define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6) 384 #define FATTR4_WORD0_NAMED_ATTR (1UL << 7) 385 #define FATTR4_WORD0_FSID (1UL << 8) 386 #define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9) 387 #define FATTR4_WORD0_LEASE_TIME (1UL << 10) 388 #define FATTR4_WORD0_RDATTR_ERROR (1UL << 11) 389 /* Mandatory in NFSv4.1 */ 390 #define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11) 391 392 /* Recommended Attributes */ 393 #define FATTR4_WORD0_ACL (1UL << 12) 394 #define FATTR4_WORD0_ACLSUPPORT (1UL << 13) 395 #define FATTR4_WORD0_ARCHIVE (1UL << 14) 396 #define FATTR4_WORD0_CANSETTIME (1UL << 15) 397 #define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16) 398 #define FATTR4_WORD0_CASE_PRESERVING (1UL << 17) 399 #define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18) 400 #define FATTR4_WORD0_FILEHANDLE (1UL << 19) 401 #define FATTR4_WORD0_FILEID (1UL << 20) 402 #define FATTR4_WORD0_FILES_AVAIL (1UL << 21) 403 #define FATTR4_WORD0_FILES_FREE (1UL << 22) 404 #define FATTR4_WORD0_FILES_TOTAL (1UL << 23) 405 #define FATTR4_WORD0_FS_LOCATIONS (1UL << 24) 406 #define FATTR4_WORD0_HIDDEN (1UL << 25) 407 #define FATTR4_WORD0_HOMOGENEOUS (1UL << 26) 408 #define FATTR4_WORD0_MAXFILESIZE (1UL << 27) 409 #define FATTR4_WORD0_MAXLINK (1UL << 28) 410 #define FATTR4_WORD0_MAXNAME (1UL << 29) 411 #define FATTR4_WORD0_MAXREAD (1UL << 30) 412 #define FATTR4_WORD0_MAXWRITE (1UL << 31) 413 #define FATTR4_WORD1_MIMETYPE (1UL << 0) 414 #define FATTR4_WORD1_MODE (1UL << 1) 415 #define FATTR4_WORD1_NO_TRUNC (1UL << 2) 416 #define FATTR4_WORD1_NUMLINKS (1UL << 3) 417 #define FATTR4_WORD1_OWNER (1UL << 4) 418 #define FATTR4_WORD1_OWNER_GROUP (1UL << 5) 419 #define FATTR4_WORD1_QUOTA_HARD (1UL << 6) 420 #define FATTR4_WORD1_QUOTA_SOFT (1UL << 7) 421 #define FATTR4_WORD1_QUOTA_USED (1UL << 8) 422 #define FATTR4_WORD1_RAWDEV (1UL << 9) 423 #define FATTR4_WORD1_SPACE_AVAIL (1UL << 10) 424 #define FATTR4_WORD1_SPACE_FREE (1UL << 11) 425 #define FATTR4_WORD1_SPACE_TOTAL (1UL << 12) 426 #define FATTR4_WORD1_SPACE_USED (1UL << 13) 427 #define FATTR4_WORD1_SYSTEM (1UL << 14) 428 #define FATTR4_WORD1_TIME_ACCESS (1UL << 15) 429 #define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16) 430 #define FATTR4_WORD1_TIME_BACKUP (1UL << 17) 431 #define FATTR4_WORD1_TIME_CREATE (1UL << 18) 432 #define FATTR4_WORD1_TIME_DELTA (1UL << 19) 433 #define FATTR4_WORD1_TIME_METADATA (1UL << 20) 434 #define FATTR4_WORD1_TIME_MODIFY (1UL << 21) 435 #define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22) 436 #define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23) 437 #define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30) 438 #define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0) 439 #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) 440 #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) 441 #define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13) 442 #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) 443 444 /* MDS threshold bitmap bits */ 445 #define THRESHOLD_RD (1UL << 0) 446 #define THRESHOLD_WR (1UL << 1) 447 #define THRESHOLD_RD_IO (1UL << 2) 448 #define THRESHOLD_WR_IO (1UL << 3) 449 450 #define NFSPROC4_NULL 0 451 #define NFSPROC4_COMPOUND 1 452 #define NFS4_VERSION 4 453 #define NFS4_MINOR_VERSION 0 454 455 #define NFS4_DEBUG 1 456 457 /* Index of predefined Linux client operations */ 458 459 enum { 460 NFSPROC4_CLNT_NULL = 0, /* Unused */ 461 NFSPROC4_CLNT_READ, 462 NFSPROC4_CLNT_WRITE, 463 NFSPROC4_CLNT_COMMIT, 464 NFSPROC4_CLNT_OPEN, 465 NFSPROC4_CLNT_OPEN_CONFIRM, 466 NFSPROC4_CLNT_OPEN_NOATTR, 467 NFSPROC4_CLNT_OPEN_DOWNGRADE, 468 NFSPROC4_CLNT_CLOSE, 469 NFSPROC4_CLNT_SETATTR, 470 NFSPROC4_CLNT_FSINFO, 471 NFSPROC4_CLNT_RENEW, 472 NFSPROC4_CLNT_SETCLIENTID, 473 NFSPROC4_CLNT_SETCLIENTID_CONFIRM, 474 NFSPROC4_CLNT_LOCK, 475 NFSPROC4_CLNT_LOCKT, 476 NFSPROC4_CLNT_LOCKU, 477 NFSPROC4_CLNT_ACCESS, 478 NFSPROC4_CLNT_GETATTR, 479 NFSPROC4_CLNT_LOOKUP, 480 NFSPROC4_CLNT_LOOKUP_ROOT, 481 NFSPROC4_CLNT_REMOVE, 482 NFSPROC4_CLNT_RENAME, 483 NFSPROC4_CLNT_LINK, 484 NFSPROC4_CLNT_SYMLINK, 485 NFSPROC4_CLNT_CREATE, 486 NFSPROC4_CLNT_PATHCONF, 487 NFSPROC4_CLNT_STATFS, 488 NFSPROC4_CLNT_READLINK, 489 NFSPROC4_CLNT_READDIR, 490 NFSPROC4_CLNT_SERVER_CAPS, 491 NFSPROC4_CLNT_DELEGRETURN, 492 NFSPROC4_CLNT_GETACL, 493 NFSPROC4_CLNT_SETACL, 494 NFSPROC4_CLNT_FS_LOCATIONS, 495 NFSPROC4_CLNT_RELEASE_LOCKOWNER, 496 NFSPROC4_CLNT_SECINFO, 497 NFSPROC4_CLNT_FSID_PRESENT, 498 499 /* nfs41 */ 500 NFSPROC4_CLNT_EXCHANGE_ID, 501 NFSPROC4_CLNT_CREATE_SESSION, 502 NFSPROC4_CLNT_DESTROY_SESSION, 503 NFSPROC4_CLNT_SEQUENCE, 504 NFSPROC4_CLNT_GET_LEASE_TIME, 505 NFSPROC4_CLNT_RECLAIM_COMPLETE, 506 NFSPROC4_CLNT_LAYOUTGET, 507 NFSPROC4_CLNT_GETDEVICEINFO, 508 NFSPROC4_CLNT_LAYOUTCOMMIT, 509 NFSPROC4_CLNT_LAYOUTRETURN, 510 NFSPROC4_CLNT_SECINFO_NO_NAME, 511 NFSPROC4_CLNT_TEST_STATEID, 512 NFSPROC4_CLNT_FREE_STATEID, 513 NFSPROC4_CLNT_GETDEVICELIST, 514 NFSPROC4_CLNT_BIND_CONN_TO_SESSION, 515 NFSPROC4_CLNT_DESTROY_CLIENTID, 516 517 /* nfs42 */ 518 NFSPROC4_CLNT_SEEK, 519 NFSPROC4_CLNT_ALLOCATE, 520 NFSPROC4_CLNT_DEALLOCATE, 521 NFSPROC4_CLNT_LAYOUTSTATS, 522 NFSPROC4_CLNT_CLONE, 523 NFSPROC4_CLNT_COPY, 524 }; 525 526 /* nfs41 types */ 527 struct nfs4_sessionid { 528 unsigned char data[NFS4_MAX_SESSIONID_LEN]; 529 }; 530 531 /* Create Session Flags */ 532 #define SESSION4_PERSIST 0x001 533 #define SESSION4_BACK_CHAN 0x002 534 #define SESSION4_RDMA 0x004 535 536 #define SESSION4_FLAG_MASK_A 0x007 537 538 enum state_protect_how4 { 539 SP4_NONE = 0, 540 SP4_MACH_CRED = 1, 541 SP4_SSV = 2 542 }; 543 544 enum pnfs_layouttype { 545 LAYOUT_NFSV4_1_FILES = 1, 546 LAYOUT_OSD2_OBJECTS = 2, 547 LAYOUT_BLOCK_VOLUME = 3, 548 LAYOUT_FLEX_FILES = 4, 549 LAYOUT_SCSI = 5, 550 LAYOUT_TYPE_MAX 551 }; 552 553 /* used for both layout return and recall */ 554 enum pnfs_layoutreturn_type { 555 RETURN_FILE = 1, 556 RETURN_FSID = 2, 557 RETURN_ALL = 3 558 }; 559 560 enum pnfs_iomode { 561 IOMODE_READ = 1, 562 IOMODE_RW = 2, 563 IOMODE_ANY = 3, 564 }; 565 566 enum pnfs_notify_deviceid_type4 { 567 NOTIFY_DEVICEID4_CHANGE = 1 << 1, 568 NOTIFY_DEVICEID4_DELETE = 1 << 2, 569 }; 570 571 enum pnfs_block_volume_type { 572 PNFS_BLOCK_VOLUME_SIMPLE = 0, 573 PNFS_BLOCK_VOLUME_SLICE = 1, 574 PNFS_BLOCK_VOLUME_CONCAT = 2, 575 PNFS_BLOCK_VOLUME_STRIPE = 3, 576 PNFS_BLOCK_VOLUME_SCSI = 4, 577 }; 578 579 enum pnfs_block_extent_state { 580 PNFS_BLOCK_READWRITE_DATA = 0, 581 PNFS_BLOCK_READ_DATA = 1, 582 PNFS_BLOCK_INVALID_DATA = 2, 583 PNFS_BLOCK_NONE_DATA = 3, 584 }; 585 586 /* on the wire size of a block layout extent */ 587 #define PNFS_BLOCK_EXTENT_SIZE \ 588 (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE) 589 590 /* on the wire size of a scsi commit range */ 591 #define PNFS_SCSI_RANGE_SIZE \ 592 (4 * sizeof(__be32)) 593 594 enum scsi_code_set { 595 PS_CODE_SET_BINARY = 1, 596 PS_CODE_SET_ASCII = 2, 597 PS_CODE_SET_UTF8 = 3 598 }; 599 600 enum scsi_designator_type { 601 PS_DESIGNATOR_T10 = 1, 602 PS_DESIGNATOR_EUI64 = 2, 603 PS_DESIGNATOR_NAA = 3, 604 PS_DESIGNATOR_NAME = 8 605 }; 606 607 #define NFL4_UFLG_MASK 0x0000003F 608 #define NFL4_UFLG_DENSE 0x00000001 609 #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002 610 #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0 611 612 /* Encoded in the loh_body field of type layouthint4 */ 613 enum filelayout_hint_care4 { 614 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE, 615 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS, 616 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040, 617 NFLH4_CARE_STRIPE_COUNT = 0x00000080 618 }; 619 620 #define NFS4_DEVICEID4_SIZE 16 621 622 struct nfs4_deviceid { 623 char data[NFS4_DEVICEID4_SIZE]; 624 }; 625 626 enum data_content4 { 627 NFS4_CONTENT_DATA = 0, 628 NFS4_CONTENT_HOLE = 1, 629 }; 630 631 enum pnfs_update_layout_reason { 632 PNFS_UPDATE_LAYOUT_UNKNOWN = 0, 633 PNFS_UPDATE_LAYOUT_NO_PNFS, 634 PNFS_UPDATE_LAYOUT_RD_ZEROLEN, 635 PNFS_UPDATE_LAYOUT_MDSTHRESH, 636 PNFS_UPDATE_LAYOUT_NOMEM, 637 PNFS_UPDATE_LAYOUT_BULK_RECALL, 638 PNFS_UPDATE_LAYOUT_IO_TEST_FAIL, 639 PNFS_UPDATE_LAYOUT_FOUND_CACHED, 640 PNFS_UPDATE_LAYOUT_RETURN, 641 PNFS_UPDATE_LAYOUT_RETRY, 642 PNFS_UPDATE_LAYOUT_BLOCKED, 643 PNFS_UPDATE_LAYOUT_INVALID_OPEN, 644 PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET, 645 }; 646 647 #define NFS4_OP_MAP_NUM_LONGS \ 648 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) 649 #define NFS4_OP_MAP_NUM_WORDS \ 650 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) 651 struct nfs4_op_map { 652 union { 653 unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; 654 u32 words[NFS4_OP_MAP_NUM_WORDS]; 655 } u; 656 }; 657 658 #endif 659