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[0]; 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 OP_ILLEGAL = 10044, 154 }; 155 156 /*Defining first and last NFS4 operations implemented. 157 Needs to be updated if more operations are defined in future.*/ 158 159 #define FIRST_NFS4_OP OP_ACCESS 160 #define LAST_NFS40_OP OP_RELEASE_LOCKOWNER 161 #define LAST_NFS41_OP OP_RECLAIM_COMPLETE 162 #define LAST_NFS42_OP OP_CLONE 163 #define LAST_NFS4_OP LAST_NFS42_OP 164 165 enum nfsstat4 { 166 NFS4_OK = 0, 167 NFS4ERR_PERM = 1, 168 NFS4ERR_NOENT = 2, 169 NFS4ERR_IO = 5, 170 NFS4ERR_NXIO = 6, 171 NFS4ERR_ACCESS = 13, 172 NFS4ERR_EXIST = 17, 173 NFS4ERR_XDEV = 18, 174 /* Unused/reserved 19 */ 175 NFS4ERR_NOTDIR = 20, 176 NFS4ERR_ISDIR = 21, 177 NFS4ERR_INVAL = 22, 178 NFS4ERR_FBIG = 27, 179 NFS4ERR_NOSPC = 28, 180 NFS4ERR_ROFS = 30, 181 NFS4ERR_MLINK = 31, 182 NFS4ERR_NAMETOOLONG = 63, 183 NFS4ERR_NOTEMPTY = 66, 184 NFS4ERR_DQUOT = 69, 185 NFS4ERR_STALE = 70, 186 NFS4ERR_BADHANDLE = 10001, 187 NFS4ERR_BAD_COOKIE = 10003, 188 NFS4ERR_NOTSUPP = 10004, 189 NFS4ERR_TOOSMALL = 10005, 190 NFS4ERR_SERVERFAULT = 10006, 191 NFS4ERR_BADTYPE = 10007, 192 NFS4ERR_DELAY = 10008, 193 NFS4ERR_SAME = 10009, 194 NFS4ERR_DENIED = 10010, 195 NFS4ERR_EXPIRED = 10011, 196 NFS4ERR_LOCKED = 10012, 197 NFS4ERR_GRACE = 10013, 198 NFS4ERR_FHEXPIRED = 10014, 199 NFS4ERR_SHARE_DENIED = 10015, 200 NFS4ERR_WRONGSEC = 10016, 201 NFS4ERR_CLID_INUSE = 10017, 202 NFS4ERR_RESOURCE = 10018, 203 NFS4ERR_MOVED = 10019, 204 NFS4ERR_NOFILEHANDLE = 10020, 205 NFS4ERR_MINOR_VERS_MISMATCH = 10021, 206 NFS4ERR_STALE_CLIENTID = 10022, 207 NFS4ERR_STALE_STATEID = 10023, 208 NFS4ERR_OLD_STATEID = 10024, 209 NFS4ERR_BAD_STATEID = 10025, 210 NFS4ERR_BAD_SEQID = 10026, 211 NFS4ERR_NOT_SAME = 10027, 212 NFS4ERR_LOCK_RANGE = 10028, 213 NFS4ERR_SYMLINK = 10029, 214 NFS4ERR_RESTOREFH = 10030, 215 NFS4ERR_LEASE_MOVED = 10031, 216 NFS4ERR_ATTRNOTSUPP = 10032, 217 NFS4ERR_NO_GRACE = 10033, 218 NFS4ERR_RECLAIM_BAD = 10034, 219 NFS4ERR_RECLAIM_CONFLICT = 10035, 220 NFS4ERR_BADXDR = 10036, 221 NFS4ERR_LOCKS_HELD = 10037, 222 NFS4ERR_OPENMODE = 10038, 223 NFS4ERR_BADOWNER = 10039, 224 NFS4ERR_BADCHAR = 10040, 225 NFS4ERR_BADNAME = 10041, 226 NFS4ERR_BAD_RANGE = 10042, 227 NFS4ERR_LOCK_NOTSUPP = 10043, 228 NFS4ERR_OP_ILLEGAL = 10044, 229 NFS4ERR_DEADLOCK = 10045, 230 NFS4ERR_FILE_OPEN = 10046, 231 NFS4ERR_ADMIN_REVOKED = 10047, 232 NFS4ERR_CB_PATH_DOWN = 10048, 233 234 /* nfs41 */ 235 NFS4ERR_BADIOMODE = 10049, 236 NFS4ERR_BADLAYOUT = 10050, 237 NFS4ERR_BAD_SESSION_DIGEST = 10051, 238 NFS4ERR_BADSESSION = 10052, 239 NFS4ERR_BADSLOT = 10053, 240 NFS4ERR_COMPLETE_ALREADY = 10054, 241 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055, 242 NFS4ERR_DELEG_ALREADY_WANTED = 10056, 243 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */ 244 NFS4ERR_LAYOUTTRYLATER = 10058, 245 NFS4ERR_LAYOUTUNAVAILABLE = 10059, 246 NFS4ERR_NOMATCHING_LAYOUT = 10060, 247 NFS4ERR_RECALLCONFLICT = 10061, 248 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062, 249 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */ 250 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */ 251 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */ 252 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */ 253 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */ 254 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */ 255 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */ 256 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */ 257 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */ 258 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */ 259 /* Error 10073 is unused. */ 260 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */ 261 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */ 262 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */ 263 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */ 264 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */ 265 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */ 266 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */ 267 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */ 268 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */ 269 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */ 270 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */ 271 NFS4ERR_REJECT_DELEG = 10085, /* on callback */ 272 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */ 273 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */ 274 275 /* nfs42 */ 276 NFS4ERR_PARTNER_NOTSUPP = 10088, 277 NFS4ERR_PARTNER_NO_AUTH = 10089, 278 NFS4ERR_UNION_NOTSUPP = 10090, 279 NFS4ERR_OFFLOAD_DENIED = 10091, 280 NFS4ERR_WRONG_LFS = 10092, 281 NFS4ERR_BADLABEL = 10093, 282 NFS4ERR_OFFLOAD_NO_REQS = 10094, 283 }; 284 285 static inline bool seqid_mutating_err(u32 err) 286 { 287 /* See RFC 7530, section 9.1.7 */ 288 switch (err) { 289 case NFS4ERR_STALE_CLIENTID: 290 case NFS4ERR_STALE_STATEID: 291 case NFS4ERR_BAD_STATEID: 292 case NFS4ERR_BAD_SEQID: 293 case NFS4ERR_BADXDR: 294 case NFS4ERR_RESOURCE: 295 case NFS4ERR_NOFILEHANDLE: 296 case NFS4ERR_MOVED: 297 return false; 298 }; 299 return true; 300 } 301 302 /* 303 * Note: NF4BAD is not actually part of the protocol; it is just used 304 * internally by nfsd. 305 */ 306 enum nfs_ftype4 { 307 NF4BAD = 0, 308 NF4REG = 1, /* Regular File */ 309 NF4DIR = 2, /* Directory */ 310 NF4BLK = 3, /* Special File - block device */ 311 NF4CHR = 4, /* Special File - character device */ 312 NF4LNK = 5, /* Symbolic Link */ 313 NF4SOCK = 6, /* Special File - socket */ 314 NF4FIFO = 7, /* Special File - fifo */ 315 NF4ATTRDIR = 8, /* Attribute Directory */ 316 NF4NAMEDATTR = 9 /* Named Attribute */ 317 }; 318 319 enum open_claim_type4 { 320 NFS4_OPEN_CLAIM_NULL = 0, 321 NFS4_OPEN_CLAIM_PREVIOUS = 1, 322 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2, 323 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3, 324 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */ 325 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */ 326 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */ 327 }; 328 329 enum opentype4 { 330 NFS4_OPEN_NOCREATE = 0, 331 NFS4_OPEN_CREATE = 1 332 }; 333 334 enum createmode4 { 335 NFS4_CREATE_UNCHECKED = 0, 336 NFS4_CREATE_GUARDED = 1, 337 NFS4_CREATE_EXCLUSIVE = 2, 338 /* 339 * New to NFSv4.1. If session is persistent, 340 * GUARDED4 MUST be used. Otherwise, use 341 * EXCLUSIVE4_1 instead of EXCLUSIVE4. 342 */ 343 NFS4_CREATE_EXCLUSIVE4_1 = 3 344 }; 345 346 enum limit_by4 { 347 NFS4_LIMIT_SIZE = 1, 348 NFS4_LIMIT_BLOCKS = 2 349 }; 350 351 enum open_delegation_type4 { 352 NFS4_OPEN_DELEGATE_NONE = 0, 353 NFS4_OPEN_DELEGATE_READ = 1, 354 NFS4_OPEN_DELEGATE_WRITE = 2, 355 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */ 356 }; 357 358 enum why_no_delegation4 { /* new to v4.1 */ 359 WND4_NOT_WANTED = 0, 360 WND4_CONTENTION = 1, 361 WND4_RESOURCE = 2, 362 WND4_NOT_SUPP_FTYPE = 3, 363 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4, 364 WND4_NOT_SUPP_UPGRADE = 5, 365 WND4_NOT_SUPP_DOWNGRADE = 6, 366 WND4_CANCELLED = 7, 367 WND4_IS_DIR = 8, 368 }; 369 370 enum lock_type4 { 371 NFS4_UNLOCK_LT = 0, 372 NFS4_READ_LT = 1, 373 NFS4_WRITE_LT = 2, 374 NFS4_READW_LT = 3, 375 NFS4_WRITEW_LT = 4 376 }; 377 378 enum change_attr_type4 { 379 NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR = 0, 380 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER = 1, 381 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS = 2, 382 NFS4_CHANGE_TYPE_IS_TIME_METADATA = 3, 383 NFS4_CHANGE_TYPE_IS_UNDEFINED = 4 384 }; 385 386 /* Mandatory Attributes */ 387 #define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0) 388 #define FATTR4_WORD0_TYPE (1UL << 1) 389 #define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2) 390 #define FATTR4_WORD0_CHANGE (1UL << 3) 391 #define FATTR4_WORD0_SIZE (1UL << 4) 392 #define FATTR4_WORD0_LINK_SUPPORT (1UL << 5) 393 #define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6) 394 #define FATTR4_WORD0_NAMED_ATTR (1UL << 7) 395 #define FATTR4_WORD0_FSID (1UL << 8) 396 #define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9) 397 #define FATTR4_WORD0_LEASE_TIME (1UL << 10) 398 #define FATTR4_WORD0_RDATTR_ERROR (1UL << 11) 399 /* Mandatory in NFSv4.1 */ 400 #define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11) 401 402 /* Recommended Attributes */ 403 #define FATTR4_WORD0_ACL (1UL << 12) 404 #define FATTR4_WORD0_ACLSUPPORT (1UL << 13) 405 #define FATTR4_WORD0_ARCHIVE (1UL << 14) 406 #define FATTR4_WORD0_CANSETTIME (1UL << 15) 407 #define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16) 408 #define FATTR4_WORD0_CASE_PRESERVING (1UL << 17) 409 #define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18) 410 #define FATTR4_WORD0_FILEHANDLE (1UL << 19) 411 #define FATTR4_WORD0_FILEID (1UL << 20) 412 #define FATTR4_WORD0_FILES_AVAIL (1UL << 21) 413 #define FATTR4_WORD0_FILES_FREE (1UL << 22) 414 #define FATTR4_WORD0_FILES_TOTAL (1UL << 23) 415 #define FATTR4_WORD0_FS_LOCATIONS (1UL << 24) 416 #define FATTR4_WORD0_HIDDEN (1UL << 25) 417 #define FATTR4_WORD0_HOMOGENEOUS (1UL << 26) 418 #define FATTR4_WORD0_MAXFILESIZE (1UL << 27) 419 #define FATTR4_WORD0_MAXLINK (1UL << 28) 420 #define FATTR4_WORD0_MAXNAME (1UL << 29) 421 #define FATTR4_WORD0_MAXREAD (1UL << 30) 422 #define FATTR4_WORD0_MAXWRITE (1UL << 31) 423 #define FATTR4_WORD1_MIMETYPE (1UL << 0) 424 #define FATTR4_WORD1_MODE (1UL << 1) 425 #define FATTR4_WORD1_NO_TRUNC (1UL << 2) 426 #define FATTR4_WORD1_NUMLINKS (1UL << 3) 427 #define FATTR4_WORD1_OWNER (1UL << 4) 428 #define FATTR4_WORD1_OWNER_GROUP (1UL << 5) 429 #define FATTR4_WORD1_QUOTA_HARD (1UL << 6) 430 #define FATTR4_WORD1_QUOTA_SOFT (1UL << 7) 431 #define FATTR4_WORD1_QUOTA_USED (1UL << 8) 432 #define FATTR4_WORD1_RAWDEV (1UL << 9) 433 #define FATTR4_WORD1_SPACE_AVAIL (1UL << 10) 434 #define FATTR4_WORD1_SPACE_FREE (1UL << 11) 435 #define FATTR4_WORD1_SPACE_TOTAL (1UL << 12) 436 #define FATTR4_WORD1_SPACE_USED (1UL << 13) 437 #define FATTR4_WORD1_SYSTEM (1UL << 14) 438 #define FATTR4_WORD1_TIME_ACCESS (1UL << 15) 439 #define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16) 440 #define FATTR4_WORD1_TIME_BACKUP (1UL << 17) 441 #define FATTR4_WORD1_TIME_CREATE (1UL << 18) 442 #define FATTR4_WORD1_TIME_DELTA (1UL << 19) 443 #define FATTR4_WORD1_TIME_METADATA (1UL << 20) 444 #define FATTR4_WORD1_TIME_MODIFY (1UL << 21) 445 #define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22) 446 #define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23) 447 #define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30) 448 #define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0) 449 #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) 450 #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) 451 #define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13) 452 #define FATTR4_WORD2_CHANGE_ATTR_TYPE (1UL << 15) 453 #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) 454 #define FATTR4_WORD2_MODE_UMASK (1UL << 17) 455 456 /* MDS threshold bitmap bits */ 457 #define THRESHOLD_RD (1UL << 0) 458 #define THRESHOLD_WR (1UL << 1) 459 #define THRESHOLD_RD_IO (1UL << 2) 460 #define THRESHOLD_WR_IO (1UL << 3) 461 462 #define NFSPROC4_NULL 0 463 #define NFSPROC4_COMPOUND 1 464 #define NFS4_VERSION 4 465 #define NFS4_MINOR_VERSION 0 466 467 #define NFS4_DEBUG 1 468 469 /* 470 * Index of predefined Linux client operations 471 * 472 * To ensure that /proc/net/rpc/nfs remains correctly ordered, please 473 * append only to this enum when adding new client operations. 474 */ 475 476 enum { 477 NFSPROC4_CLNT_NULL = 0, /* Unused */ 478 NFSPROC4_CLNT_READ, 479 NFSPROC4_CLNT_WRITE, 480 NFSPROC4_CLNT_COMMIT, 481 NFSPROC4_CLNT_OPEN, 482 NFSPROC4_CLNT_OPEN_CONFIRM, 483 NFSPROC4_CLNT_OPEN_NOATTR, 484 NFSPROC4_CLNT_OPEN_DOWNGRADE, 485 NFSPROC4_CLNT_CLOSE, 486 NFSPROC4_CLNT_SETATTR, 487 NFSPROC4_CLNT_FSINFO, 488 NFSPROC4_CLNT_RENEW, 489 NFSPROC4_CLNT_SETCLIENTID, 490 NFSPROC4_CLNT_SETCLIENTID_CONFIRM, 491 NFSPROC4_CLNT_LOCK, 492 NFSPROC4_CLNT_LOCKT, 493 NFSPROC4_CLNT_LOCKU, 494 NFSPROC4_CLNT_ACCESS, 495 NFSPROC4_CLNT_GETATTR, 496 NFSPROC4_CLNT_LOOKUP, 497 NFSPROC4_CLNT_LOOKUP_ROOT, 498 NFSPROC4_CLNT_REMOVE, 499 NFSPROC4_CLNT_RENAME, 500 NFSPROC4_CLNT_LINK, 501 NFSPROC4_CLNT_SYMLINK, 502 NFSPROC4_CLNT_CREATE, 503 NFSPROC4_CLNT_PATHCONF, 504 NFSPROC4_CLNT_STATFS, 505 NFSPROC4_CLNT_READLINK, 506 NFSPROC4_CLNT_READDIR, 507 NFSPROC4_CLNT_SERVER_CAPS, 508 NFSPROC4_CLNT_DELEGRETURN, 509 NFSPROC4_CLNT_GETACL, 510 NFSPROC4_CLNT_SETACL, 511 NFSPROC4_CLNT_FS_LOCATIONS, 512 NFSPROC4_CLNT_RELEASE_LOCKOWNER, 513 NFSPROC4_CLNT_SECINFO, 514 NFSPROC4_CLNT_FSID_PRESENT, 515 516 NFSPROC4_CLNT_EXCHANGE_ID, 517 NFSPROC4_CLNT_CREATE_SESSION, 518 NFSPROC4_CLNT_DESTROY_SESSION, 519 NFSPROC4_CLNT_SEQUENCE, 520 NFSPROC4_CLNT_GET_LEASE_TIME, 521 NFSPROC4_CLNT_RECLAIM_COMPLETE, 522 NFSPROC4_CLNT_LAYOUTGET, 523 NFSPROC4_CLNT_GETDEVICEINFO, 524 NFSPROC4_CLNT_LAYOUTCOMMIT, 525 NFSPROC4_CLNT_LAYOUTRETURN, 526 NFSPROC4_CLNT_SECINFO_NO_NAME, 527 NFSPROC4_CLNT_TEST_STATEID, 528 NFSPROC4_CLNT_FREE_STATEID, 529 NFSPROC4_CLNT_GETDEVICELIST, 530 NFSPROC4_CLNT_BIND_CONN_TO_SESSION, 531 NFSPROC4_CLNT_DESTROY_CLIENTID, 532 533 NFSPROC4_CLNT_SEEK, 534 NFSPROC4_CLNT_ALLOCATE, 535 NFSPROC4_CLNT_DEALLOCATE, 536 NFSPROC4_CLNT_LAYOUTSTATS, 537 NFSPROC4_CLNT_CLONE, 538 NFSPROC4_CLNT_COPY, 539 NFSPROC4_CLNT_OFFLOAD_CANCEL, 540 541 NFSPROC4_CLNT_LOOKUPP, 542 NFSPROC4_CLNT_LAYOUTERROR, 543 544 NFSPROC4_CLNT_COPY_NOTIFY, 545 }; 546 547 /* nfs41 types */ 548 struct nfs4_sessionid { 549 unsigned char data[NFS4_MAX_SESSIONID_LEN]; 550 }; 551 552 /* Create Session Flags */ 553 #define SESSION4_PERSIST 0x001 554 #define SESSION4_BACK_CHAN 0x002 555 #define SESSION4_RDMA 0x004 556 557 #define SESSION4_FLAG_MASK_A 0x007 558 559 enum state_protect_how4 { 560 SP4_NONE = 0, 561 SP4_MACH_CRED = 1, 562 SP4_SSV = 2 563 }; 564 565 enum pnfs_layouttype { 566 LAYOUT_NFSV4_1_FILES = 1, 567 LAYOUT_OSD2_OBJECTS = 2, 568 LAYOUT_BLOCK_VOLUME = 3, 569 LAYOUT_FLEX_FILES = 4, 570 LAYOUT_SCSI = 5, 571 LAYOUT_TYPE_MAX 572 }; 573 574 /* used for both layout return and recall */ 575 enum pnfs_layoutreturn_type { 576 RETURN_FILE = 1, 577 RETURN_FSID = 2, 578 RETURN_ALL = 3 579 }; 580 581 enum pnfs_iomode { 582 IOMODE_READ = 1, 583 IOMODE_RW = 2, 584 IOMODE_ANY = 3, 585 }; 586 587 enum pnfs_notify_deviceid_type4 { 588 NOTIFY_DEVICEID4_CHANGE = 1 << 1, 589 NOTIFY_DEVICEID4_DELETE = 1 << 2, 590 }; 591 592 enum pnfs_block_volume_type { 593 PNFS_BLOCK_VOLUME_SIMPLE = 0, 594 PNFS_BLOCK_VOLUME_SLICE = 1, 595 PNFS_BLOCK_VOLUME_CONCAT = 2, 596 PNFS_BLOCK_VOLUME_STRIPE = 3, 597 PNFS_BLOCK_VOLUME_SCSI = 4, 598 }; 599 600 enum pnfs_block_extent_state { 601 PNFS_BLOCK_READWRITE_DATA = 0, 602 PNFS_BLOCK_READ_DATA = 1, 603 PNFS_BLOCK_INVALID_DATA = 2, 604 PNFS_BLOCK_NONE_DATA = 3, 605 }; 606 607 /* on the wire size of a block layout extent */ 608 #define PNFS_BLOCK_EXTENT_SIZE \ 609 (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE) 610 611 /* on the wire size of a scsi commit range */ 612 #define PNFS_SCSI_RANGE_SIZE \ 613 (4 * sizeof(__be32)) 614 615 enum scsi_code_set { 616 PS_CODE_SET_BINARY = 1, 617 PS_CODE_SET_ASCII = 2, 618 PS_CODE_SET_UTF8 = 3 619 }; 620 621 enum scsi_designator_type { 622 PS_DESIGNATOR_T10 = 1, 623 PS_DESIGNATOR_EUI64 = 2, 624 PS_DESIGNATOR_NAA = 3, 625 PS_DESIGNATOR_NAME = 8 626 }; 627 628 #define NFL4_UFLG_MASK 0x0000003F 629 #define NFL4_UFLG_DENSE 0x00000001 630 #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002 631 #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0 632 633 /* Encoded in the loh_body field of type layouthint4 */ 634 enum filelayout_hint_care4 { 635 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE, 636 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS, 637 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040, 638 NFLH4_CARE_STRIPE_COUNT = 0x00000080 639 }; 640 641 #define NFS4_DEVICEID4_SIZE 16 642 643 struct nfs4_deviceid { 644 char data[NFS4_DEVICEID4_SIZE]; 645 }; 646 647 enum data_content4 { 648 NFS4_CONTENT_DATA = 0, 649 NFS4_CONTENT_HOLE = 1, 650 }; 651 652 enum pnfs_update_layout_reason { 653 PNFS_UPDATE_LAYOUT_UNKNOWN = 0, 654 PNFS_UPDATE_LAYOUT_NO_PNFS, 655 PNFS_UPDATE_LAYOUT_RD_ZEROLEN, 656 PNFS_UPDATE_LAYOUT_MDSTHRESH, 657 PNFS_UPDATE_LAYOUT_NOMEM, 658 PNFS_UPDATE_LAYOUT_BULK_RECALL, 659 PNFS_UPDATE_LAYOUT_IO_TEST_FAIL, 660 PNFS_UPDATE_LAYOUT_FOUND_CACHED, 661 PNFS_UPDATE_LAYOUT_RETURN, 662 PNFS_UPDATE_LAYOUT_RETRY, 663 PNFS_UPDATE_LAYOUT_BLOCKED, 664 PNFS_UPDATE_LAYOUT_INVALID_OPEN, 665 PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET, 666 PNFS_UPDATE_LAYOUT_EXIT, 667 }; 668 669 #define NFS4_OP_MAP_NUM_LONGS \ 670 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) 671 #define NFS4_OP_MAP_NUM_WORDS \ 672 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) 673 struct nfs4_op_map { 674 union { 675 unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; 676 u32 words[NFS4_OP_MAP_NUM_WORDS]; 677 } u; 678 }; 679 680 struct nfs42_netaddr { 681 char netid[RPCBIND_MAXNETIDLEN]; 682 char addr[RPCBIND_MAXUADDRLEN + 1]; 683 u32 netid_len; 684 u32 addr_len; 685 }; 686 687 enum netloc_type4 { 688 NL4_NAME = 1, 689 NL4_URL = 2, 690 NL4_NETADDR = 3, 691 }; 692 693 struct nl4_server { 694 enum netloc_type4 nl4_type; 695 union { 696 struct { /* NL4_NAME, NL4_URL */ 697 int nl4_str_sz; 698 char nl4_str[NFS4_OPAQUE_LIMIT + 1]; 699 }; 700 struct nfs42_netaddr nl4_addr; /* NL4_NETADDR */ 701 } u; 702 }; 703 #endif 704