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 20 enum nfs4_acl_whotype { 21 NFS4_ACL_WHO_NAMED = 0, 22 NFS4_ACL_WHO_OWNER, 23 NFS4_ACL_WHO_GROUP, 24 NFS4_ACL_WHO_EVERYONE, 25 }; 26 27 struct nfs4_ace { 28 uint32_t type; 29 uint32_t flag; 30 uint32_t access_mask; 31 int whotype; 32 union { 33 kuid_t who_uid; 34 kgid_t who_gid; 35 }; 36 }; 37 38 struct nfs4_acl { 39 uint32_t naces; 40 struct nfs4_ace aces[0]; 41 }; 42 43 #define NFS4_MAXLABELLEN 2048 44 45 struct nfs4_label { 46 uint32_t lfs; 47 uint32_t pi; 48 u32 len; 49 char *label; 50 }; 51 52 typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier; 53 54 struct nfs4_stateid_struct { 55 union { 56 char data[NFS4_STATEID_SIZE]; 57 struct { 58 __be32 seqid; 59 char other[NFS4_STATEID_OTHER_SIZE]; 60 } __attribute__ ((packed)); 61 }; 62 63 enum { 64 NFS4_INVALID_STATEID_TYPE = 0, 65 NFS4_SPECIAL_STATEID_TYPE, 66 NFS4_OPEN_STATEID_TYPE, 67 NFS4_LOCK_STATEID_TYPE, 68 NFS4_DELEGATION_STATEID_TYPE, 69 NFS4_LAYOUT_STATEID_TYPE, 70 NFS4_PNFS_DS_STATEID_TYPE, 71 NFS4_REVOKED_STATEID_TYPE, 72 } type; 73 }; 74 75 typedef struct nfs4_stateid_struct nfs4_stateid; 76 77 enum nfs_opnum4 { 78 OP_ACCESS = 3, 79 OP_CLOSE = 4, 80 OP_COMMIT = 5, 81 OP_CREATE = 6, 82 OP_DELEGPURGE = 7, 83 OP_DELEGRETURN = 8, 84 OP_GETATTR = 9, 85 OP_GETFH = 10, 86 OP_LINK = 11, 87 OP_LOCK = 12, 88 OP_LOCKT = 13, 89 OP_LOCKU = 14, 90 OP_LOOKUP = 15, 91 OP_LOOKUPP = 16, 92 OP_NVERIFY = 17, 93 OP_OPEN = 18, 94 OP_OPENATTR = 19, 95 OP_OPEN_CONFIRM = 20, 96 OP_OPEN_DOWNGRADE = 21, 97 OP_PUTFH = 22, 98 OP_PUTPUBFH = 23, 99 OP_PUTROOTFH = 24, 100 OP_READ = 25, 101 OP_READDIR = 26, 102 OP_READLINK = 27, 103 OP_REMOVE = 28, 104 OP_RENAME = 29, 105 OP_RENEW = 30, 106 OP_RESTOREFH = 31, 107 OP_SAVEFH = 32, 108 OP_SECINFO = 33, 109 OP_SETATTR = 34, 110 OP_SETCLIENTID = 35, 111 OP_SETCLIENTID_CONFIRM = 36, 112 OP_VERIFY = 37, 113 OP_WRITE = 38, 114 OP_RELEASE_LOCKOWNER = 39, 115 116 /* nfs41 */ 117 OP_BACKCHANNEL_CTL = 40, 118 OP_BIND_CONN_TO_SESSION = 41, 119 OP_EXCHANGE_ID = 42, 120 OP_CREATE_SESSION = 43, 121 OP_DESTROY_SESSION = 44, 122 OP_FREE_STATEID = 45, 123 OP_GET_DIR_DELEGATION = 46, 124 OP_GETDEVICEINFO = 47, 125 OP_GETDEVICELIST = 48, 126 OP_LAYOUTCOMMIT = 49, 127 OP_LAYOUTGET = 50, 128 OP_LAYOUTRETURN = 51, 129 OP_SECINFO_NO_NAME = 52, 130 OP_SEQUENCE = 53, 131 OP_SET_SSV = 54, 132 OP_TEST_STATEID = 55, 133 OP_WANT_DELEGATION = 56, 134 OP_DESTROY_CLIENTID = 57, 135 OP_RECLAIM_COMPLETE = 58, 136 137 /* nfs42 */ 138 OP_ALLOCATE = 59, 139 OP_COPY = 60, 140 OP_COPY_NOTIFY = 61, 141 OP_DEALLOCATE = 62, 142 OP_IO_ADVISE = 63, 143 OP_LAYOUTERROR = 64, 144 OP_LAYOUTSTATS = 65, 145 OP_OFFLOAD_CANCEL = 66, 146 OP_OFFLOAD_STATUS = 67, 147 OP_READ_PLUS = 68, 148 OP_SEEK = 69, 149 OP_WRITE_SAME = 70, 150 OP_CLONE = 71, 151 152 OP_ILLEGAL = 10044, 153 }; 154 155 /*Defining first and last NFS4 operations implemented. 156 Needs to be updated if more operations are defined in future.*/ 157 158 #define FIRST_NFS4_OP OP_ACCESS 159 #define LAST_NFS40_OP OP_RELEASE_LOCKOWNER 160 #define LAST_NFS41_OP OP_RECLAIM_COMPLETE 161 #define LAST_NFS42_OP OP_CLONE 162 #define LAST_NFS4_OP LAST_NFS42_OP 163 164 enum nfsstat4 { 165 NFS4_OK = 0, 166 NFS4ERR_PERM = 1, 167 NFS4ERR_NOENT = 2, 168 NFS4ERR_IO = 5, 169 NFS4ERR_NXIO = 6, 170 NFS4ERR_ACCESS = 13, 171 NFS4ERR_EXIST = 17, 172 NFS4ERR_XDEV = 18, 173 /* Unused/reserved 19 */ 174 NFS4ERR_NOTDIR = 20, 175 NFS4ERR_ISDIR = 21, 176 NFS4ERR_INVAL = 22, 177 NFS4ERR_FBIG = 27, 178 NFS4ERR_NOSPC = 28, 179 NFS4ERR_ROFS = 30, 180 NFS4ERR_MLINK = 31, 181 NFS4ERR_NAMETOOLONG = 63, 182 NFS4ERR_NOTEMPTY = 66, 183 NFS4ERR_DQUOT = 69, 184 NFS4ERR_STALE = 70, 185 NFS4ERR_BADHANDLE = 10001, 186 NFS4ERR_BAD_COOKIE = 10003, 187 NFS4ERR_NOTSUPP = 10004, 188 NFS4ERR_TOOSMALL = 10005, 189 NFS4ERR_SERVERFAULT = 10006, 190 NFS4ERR_BADTYPE = 10007, 191 NFS4ERR_DELAY = 10008, 192 NFS4ERR_SAME = 10009, 193 NFS4ERR_DENIED = 10010, 194 NFS4ERR_EXPIRED = 10011, 195 NFS4ERR_LOCKED = 10012, 196 NFS4ERR_GRACE = 10013, 197 NFS4ERR_FHEXPIRED = 10014, 198 NFS4ERR_SHARE_DENIED = 10015, 199 NFS4ERR_WRONGSEC = 10016, 200 NFS4ERR_CLID_INUSE = 10017, 201 NFS4ERR_RESOURCE = 10018, 202 NFS4ERR_MOVED = 10019, 203 NFS4ERR_NOFILEHANDLE = 10020, 204 NFS4ERR_MINOR_VERS_MISMATCH = 10021, 205 NFS4ERR_STALE_CLIENTID = 10022, 206 NFS4ERR_STALE_STATEID = 10023, 207 NFS4ERR_OLD_STATEID = 10024, 208 NFS4ERR_BAD_STATEID = 10025, 209 NFS4ERR_BAD_SEQID = 10026, 210 NFS4ERR_NOT_SAME = 10027, 211 NFS4ERR_LOCK_RANGE = 10028, 212 NFS4ERR_SYMLINK = 10029, 213 NFS4ERR_RESTOREFH = 10030, 214 NFS4ERR_LEASE_MOVED = 10031, 215 NFS4ERR_ATTRNOTSUPP = 10032, 216 NFS4ERR_NO_GRACE = 10033, 217 NFS4ERR_RECLAIM_BAD = 10034, 218 NFS4ERR_RECLAIM_CONFLICT = 10035, 219 NFS4ERR_BADXDR = 10036, 220 NFS4ERR_LOCKS_HELD = 10037, 221 NFS4ERR_OPENMODE = 10038, 222 NFS4ERR_BADOWNER = 10039, 223 NFS4ERR_BADCHAR = 10040, 224 NFS4ERR_BADNAME = 10041, 225 NFS4ERR_BAD_RANGE = 10042, 226 NFS4ERR_LOCK_NOTSUPP = 10043, 227 NFS4ERR_OP_ILLEGAL = 10044, 228 NFS4ERR_DEADLOCK = 10045, 229 NFS4ERR_FILE_OPEN = 10046, 230 NFS4ERR_ADMIN_REVOKED = 10047, 231 NFS4ERR_CB_PATH_DOWN = 10048, 232 233 /* nfs41 */ 234 NFS4ERR_BADIOMODE = 10049, 235 NFS4ERR_BADLAYOUT = 10050, 236 NFS4ERR_BAD_SESSION_DIGEST = 10051, 237 NFS4ERR_BADSESSION = 10052, 238 NFS4ERR_BADSLOT = 10053, 239 NFS4ERR_COMPLETE_ALREADY = 10054, 240 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055, 241 NFS4ERR_DELEG_ALREADY_WANTED = 10056, 242 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */ 243 NFS4ERR_LAYOUTTRYLATER = 10058, 244 NFS4ERR_LAYOUTUNAVAILABLE = 10059, 245 NFS4ERR_NOMATCHING_LAYOUT = 10060, 246 NFS4ERR_RECALLCONFLICT = 10061, 247 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062, 248 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */ 249 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */ 250 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */ 251 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */ 252 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */ 253 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */ 254 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */ 255 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */ 256 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */ 257 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */ 258 /* Error 10073 is unused. */ 259 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */ 260 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */ 261 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */ 262 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */ 263 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */ 264 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */ 265 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */ 266 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */ 267 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */ 268 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */ 269 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */ 270 NFS4ERR_REJECT_DELEG = 10085, /* on callback */ 271 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */ 272 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */ 273 274 /* nfs42 */ 275 NFS4ERR_PARTNER_NOTSUPP = 10088, 276 NFS4ERR_PARTNER_NO_AUTH = 10089, 277 NFS4ERR_UNION_NOTSUPP = 10090, 278 NFS4ERR_OFFLOAD_DENIED = 10091, 279 NFS4ERR_WRONG_LFS = 10092, 280 NFS4ERR_BADLABEL = 10093, 281 NFS4ERR_OFFLOAD_NO_REQS = 10094, 282 }; 283 284 static inline bool seqid_mutating_err(u32 err) 285 { 286 /* See RFC 7530, section 9.1.7 */ 287 switch (err) { 288 case NFS4ERR_STALE_CLIENTID: 289 case NFS4ERR_STALE_STATEID: 290 case NFS4ERR_BAD_STATEID: 291 case NFS4ERR_BAD_SEQID: 292 case NFS4ERR_BADXDR: 293 case NFS4ERR_RESOURCE: 294 case NFS4ERR_NOFILEHANDLE: 295 case NFS4ERR_MOVED: 296 return false; 297 }; 298 return true; 299 } 300 301 /* 302 * Note: NF4BAD is not actually part of the protocol; it is just used 303 * internally by nfsd. 304 */ 305 enum nfs_ftype4 { 306 NF4BAD = 0, 307 NF4REG = 1, /* Regular File */ 308 NF4DIR = 2, /* Directory */ 309 NF4BLK = 3, /* Special File - block device */ 310 NF4CHR = 4, /* Special File - character device */ 311 NF4LNK = 5, /* Symbolic Link */ 312 NF4SOCK = 6, /* Special File - socket */ 313 NF4FIFO = 7, /* Special File - fifo */ 314 NF4ATTRDIR = 8, /* Attribute Directory */ 315 NF4NAMEDATTR = 9 /* Named Attribute */ 316 }; 317 318 enum open_claim_type4 { 319 NFS4_OPEN_CLAIM_NULL = 0, 320 NFS4_OPEN_CLAIM_PREVIOUS = 1, 321 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2, 322 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3, 323 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */ 324 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */ 325 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */ 326 }; 327 328 enum opentype4 { 329 NFS4_OPEN_NOCREATE = 0, 330 NFS4_OPEN_CREATE = 1 331 }; 332 333 enum createmode4 { 334 NFS4_CREATE_UNCHECKED = 0, 335 NFS4_CREATE_GUARDED = 1, 336 NFS4_CREATE_EXCLUSIVE = 2, 337 /* 338 * New to NFSv4.1. If session is persistent, 339 * GUARDED4 MUST be used. Otherwise, use 340 * EXCLUSIVE4_1 instead of EXCLUSIVE4. 341 */ 342 NFS4_CREATE_EXCLUSIVE4_1 = 3 343 }; 344 345 enum limit_by4 { 346 NFS4_LIMIT_SIZE = 1, 347 NFS4_LIMIT_BLOCKS = 2 348 }; 349 350 enum open_delegation_type4 { 351 NFS4_OPEN_DELEGATE_NONE = 0, 352 NFS4_OPEN_DELEGATE_READ = 1, 353 NFS4_OPEN_DELEGATE_WRITE = 2, 354 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */ 355 }; 356 357 enum why_no_delegation4 { /* new to v4.1 */ 358 WND4_NOT_WANTED = 0, 359 WND4_CONTENTION = 1, 360 WND4_RESOURCE = 2, 361 WND4_NOT_SUPP_FTYPE = 3, 362 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4, 363 WND4_NOT_SUPP_UPGRADE = 5, 364 WND4_NOT_SUPP_DOWNGRADE = 6, 365 WND4_CANCELLED = 7, 366 WND4_IS_DIR = 8, 367 }; 368 369 enum lock_type4 { 370 NFS4_UNLOCK_LT = 0, 371 NFS4_READ_LT = 1, 372 NFS4_WRITE_LT = 2, 373 NFS4_READW_LT = 3, 374 NFS4_WRITEW_LT = 4 375 }; 376 377 378 /* Mandatory Attributes */ 379 #define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0) 380 #define FATTR4_WORD0_TYPE (1UL << 1) 381 #define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2) 382 #define FATTR4_WORD0_CHANGE (1UL << 3) 383 #define FATTR4_WORD0_SIZE (1UL << 4) 384 #define FATTR4_WORD0_LINK_SUPPORT (1UL << 5) 385 #define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6) 386 #define FATTR4_WORD0_NAMED_ATTR (1UL << 7) 387 #define FATTR4_WORD0_FSID (1UL << 8) 388 #define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9) 389 #define FATTR4_WORD0_LEASE_TIME (1UL << 10) 390 #define FATTR4_WORD0_RDATTR_ERROR (1UL << 11) 391 /* Mandatory in NFSv4.1 */ 392 #define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11) 393 394 /* Recommended Attributes */ 395 #define FATTR4_WORD0_ACL (1UL << 12) 396 #define FATTR4_WORD0_ACLSUPPORT (1UL << 13) 397 #define FATTR4_WORD0_ARCHIVE (1UL << 14) 398 #define FATTR4_WORD0_CANSETTIME (1UL << 15) 399 #define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16) 400 #define FATTR4_WORD0_CASE_PRESERVING (1UL << 17) 401 #define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18) 402 #define FATTR4_WORD0_FILEHANDLE (1UL << 19) 403 #define FATTR4_WORD0_FILEID (1UL << 20) 404 #define FATTR4_WORD0_FILES_AVAIL (1UL << 21) 405 #define FATTR4_WORD0_FILES_FREE (1UL << 22) 406 #define FATTR4_WORD0_FILES_TOTAL (1UL << 23) 407 #define FATTR4_WORD0_FS_LOCATIONS (1UL << 24) 408 #define FATTR4_WORD0_HIDDEN (1UL << 25) 409 #define FATTR4_WORD0_HOMOGENEOUS (1UL << 26) 410 #define FATTR4_WORD0_MAXFILESIZE (1UL << 27) 411 #define FATTR4_WORD0_MAXLINK (1UL << 28) 412 #define FATTR4_WORD0_MAXNAME (1UL << 29) 413 #define FATTR4_WORD0_MAXREAD (1UL << 30) 414 #define FATTR4_WORD0_MAXWRITE (1UL << 31) 415 #define FATTR4_WORD1_MIMETYPE (1UL << 0) 416 #define FATTR4_WORD1_MODE (1UL << 1) 417 #define FATTR4_WORD1_NO_TRUNC (1UL << 2) 418 #define FATTR4_WORD1_NUMLINKS (1UL << 3) 419 #define FATTR4_WORD1_OWNER (1UL << 4) 420 #define FATTR4_WORD1_OWNER_GROUP (1UL << 5) 421 #define FATTR4_WORD1_QUOTA_HARD (1UL << 6) 422 #define FATTR4_WORD1_QUOTA_SOFT (1UL << 7) 423 #define FATTR4_WORD1_QUOTA_USED (1UL << 8) 424 #define FATTR4_WORD1_RAWDEV (1UL << 9) 425 #define FATTR4_WORD1_SPACE_AVAIL (1UL << 10) 426 #define FATTR4_WORD1_SPACE_FREE (1UL << 11) 427 #define FATTR4_WORD1_SPACE_TOTAL (1UL << 12) 428 #define FATTR4_WORD1_SPACE_USED (1UL << 13) 429 #define FATTR4_WORD1_SYSTEM (1UL << 14) 430 #define FATTR4_WORD1_TIME_ACCESS (1UL << 15) 431 #define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16) 432 #define FATTR4_WORD1_TIME_BACKUP (1UL << 17) 433 #define FATTR4_WORD1_TIME_CREATE (1UL << 18) 434 #define FATTR4_WORD1_TIME_DELTA (1UL << 19) 435 #define FATTR4_WORD1_TIME_METADATA (1UL << 20) 436 #define FATTR4_WORD1_TIME_MODIFY (1UL << 21) 437 #define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22) 438 #define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23) 439 #define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30) 440 #define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0) 441 #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) 442 #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) 443 #define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13) 444 #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) 445 #define FATTR4_WORD2_MODE_UMASK (1UL << 17) 446 447 /* MDS threshold bitmap bits */ 448 #define THRESHOLD_RD (1UL << 0) 449 #define THRESHOLD_WR (1UL << 1) 450 #define THRESHOLD_RD_IO (1UL << 2) 451 #define THRESHOLD_WR_IO (1UL << 3) 452 453 #define NFSPROC4_NULL 0 454 #define NFSPROC4_COMPOUND 1 455 #define NFS4_VERSION 4 456 #define NFS4_MINOR_VERSION 0 457 458 #define NFS4_DEBUG 1 459 460 /* 461 * Index of predefined Linux client operations 462 * 463 * To ensure that /proc/net/rpc/nfs remains correctly ordered, please 464 * append only to this enum when adding new client operations. 465 */ 466 467 enum { 468 NFSPROC4_CLNT_NULL = 0, /* Unused */ 469 NFSPROC4_CLNT_READ, 470 NFSPROC4_CLNT_WRITE, 471 NFSPROC4_CLNT_COMMIT, 472 NFSPROC4_CLNT_OPEN, 473 NFSPROC4_CLNT_OPEN_CONFIRM, 474 NFSPROC4_CLNT_OPEN_NOATTR, 475 NFSPROC4_CLNT_OPEN_DOWNGRADE, 476 NFSPROC4_CLNT_CLOSE, 477 NFSPROC4_CLNT_SETATTR, 478 NFSPROC4_CLNT_FSINFO, 479 NFSPROC4_CLNT_RENEW, 480 NFSPROC4_CLNT_SETCLIENTID, 481 NFSPROC4_CLNT_SETCLIENTID_CONFIRM, 482 NFSPROC4_CLNT_LOCK, 483 NFSPROC4_CLNT_LOCKT, 484 NFSPROC4_CLNT_LOCKU, 485 NFSPROC4_CLNT_ACCESS, 486 NFSPROC4_CLNT_GETATTR, 487 NFSPROC4_CLNT_LOOKUP, 488 NFSPROC4_CLNT_LOOKUP_ROOT, 489 NFSPROC4_CLNT_REMOVE, 490 NFSPROC4_CLNT_RENAME, 491 NFSPROC4_CLNT_LINK, 492 NFSPROC4_CLNT_SYMLINK, 493 NFSPROC4_CLNT_CREATE, 494 NFSPROC4_CLNT_PATHCONF, 495 NFSPROC4_CLNT_STATFS, 496 NFSPROC4_CLNT_READLINK, 497 NFSPROC4_CLNT_READDIR, 498 NFSPROC4_CLNT_SERVER_CAPS, 499 NFSPROC4_CLNT_DELEGRETURN, 500 NFSPROC4_CLNT_GETACL, 501 NFSPROC4_CLNT_SETACL, 502 NFSPROC4_CLNT_FS_LOCATIONS, 503 NFSPROC4_CLNT_RELEASE_LOCKOWNER, 504 NFSPROC4_CLNT_SECINFO, 505 NFSPROC4_CLNT_FSID_PRESENT, 506 507 NFSPROC4_CLNT_EXCHANGE_ID, 508 NFSPROC4_CLNT_CREATE_SESSION, 509 NFSPROC4_CLNT_DESTROY_SESSION, 510 NFSPROC4_CLNT_SEQUENCE, 511 NFSPROC4_CLNT_GET_LEASE_TIME, 512 NFSPROC4_CLNT_RECLAIM_COMPLETE, 513 NFSPROC4_CLNT_LAYOUTGET, 514 NFSPROC4_CLNT_GETDEVICEINFO, 515 NFSPROC4_CLNT_LAYOUTCOMMIT, 516 NFSPROC4_CLNT_LAYOUTRETURN, 517 NFSPROC4_CLNT_SECINFO_NO_NAME, 518 NFSPROC4_CLNT_TEST_STATEID, 519 NFSPROC4_CLNT_FREE_STATEID, 520 NFSPROC4_CLNT_GETDEVICELIST, 521 NFSPROC4_CLNT_BIND_CONN_TO_SESSION, 522 NFSPROC4_CLNT_DESTROY_CLIENTID, 523 524 NFSPROC4_CLNT_SEEK, 525 NFSPROC4_CLNT_ALLOCATE, 526 NFSPROC4_CLNT_DEALLOCATE, 527 NFSPROC4_CLNT_LAYOUTSTATS, 528 NFSPROC4_CLNT_CLONE, 529 NFSPROC4_CLNT_COPY, 530 531 NFSPROC4_CLNT_LOOKUPP, 532 }; 533 534 /* nfs41 types */ 535 struct nfs4_sessionid { 536 unsigned char data[NFS4_MAX_SESSIONID_LEN]; 537 }; 538 539 /* Create Session Flags */ 540 #define SESSION4_PERSIST 0x001 541 #define SESSION4_BACK_CHAN 0x002 542 #define SESSION4_RDMA 0x004 543 544 #define SESSION4_FLAG_MASK_A 0x007 545 546 enum state_protect_how4 { 547 SP4_NONE = 0, 548 SP4_MACH_CRED = 1, 549 SP4_SSV = 2 550 }; 551 552 enum pnfs_layouttype { 553 LAYOUT_NFSV4_1_FILES = 1, 554 LAYOUT_OSD2_OBJECTS = 2, 555 LAYOUT_BLOCK_VOLUME = 3, 556 LAYOUT_FLEX_FILES = 4, 557 LAYOUT_SCSI = 5, 558 LAYOUT_TYPE_MAX 559 }; 560 561 /* used for both layout return and recall */ 562 enum pnfs_layoutreturn_type { 563 RETURN_FILE = 1, 564 RETURN_FSID = 2, 565 RETURN_ALL = 3 566 }; 567 568 enum pnfs_iomode { 569 IOMODE_READ = 1, 570 IOMODE_RW = 2, 571 IOMODE_ANY = 3, 572 }; 573 574 enum pnfs_notify_deviceid_type4 { 575 NOTIFY_DEVICEID4_CHANGE = 1 << 1, 576 NOTIFY_DEVICEID4_DELETE = 1 << 2, 577 }; 578 579 enum pnfs_block_volume_type { 580 PNFS_BLOCK_VOLUME_SIMPLE = 0, 581 PNFS_BLOCK_VOLUME_SLICE = 1, 582 PNFS_BLOCK_VOLUME_CONCAT = 2, 583 PNFS_BLOCK_VOLUME_STRIPE = 3, 584 PNFS_BLOCK_VOLUME_SCSI = 4, 585 }; 586 587 enum pnfs_block_extent_state { 588 PNFS_BLOCK_READWRITE_DATA = 0, 589 PNFS_BLOCK_READ_DATA = 1, 590 PNFS_BLOCK_INVALID_DATA = 2, 591 PNFS_BLOCK_NONE_DATA = 3, 592 }; 593 594 /* on the wire size of a block layout extent */ 595 #define PNFS_BLOCK_EXTENT_SIZE \ 596 (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE) 597 598 /* on the wire size of a scsi commit range */ 599 #define PNFS_SCSI_RANGE_SIZE \ 600 (4 * sizeof(__be32)) 601 602 enum scsi_code_set { 603 PS_CODE_SET_BINARY = 1, 604 PS_CODE_SET_ASCII = 2, 605 PS_CODE_SET_UTF8 = 3 606 }; 607 608 enum scsi_designator_type { 609 PS_DESIGNATOR_T10 = 1, 610 PS_DESIGNATOR_EUI64 = 2, 611 PS_DESIGNATOR_NAA = 3, 612 PS_DESIGNATOR_NAME = 8 613 }; 614 615 #define NFL4_UFLG_MASK 0x0000003F 616 #define NFL4_UFLG_DENSE 0x00000001 617 #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002 618 #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0 619 620 /* Encoded in the loh_body field of type layouthint4 */ 621 enum filelayout_hint_care4 { 622 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE, 623 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS, 624 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040, 625 NFLH4_CARE_STRIPE_COUNT = 0x00000080 626 }; 627 628 #define NFS4_DEVICEID4_SIZE 16 629 630 struct nfs4_deviceid { 631 char data[NFS4_DEVICEID4_SIZE]; 632 }; 633 634 enum data_content4 { 635 NFS4_CONTENT_DATA = 0, 636 NFS4_CONTENT_HOLE = 1, 637 }; 638 639 enum pnfs_update_layout_reason { 640 PNFS_UPDATE_LAYOUT_UNKNOWN = 0, 641 PNFS_UPDATE_LAYOUT_NO_PNFS, 642 PNFS_UPDATE_LAYOUT_RD_ZEROLEN, 643 PNFS_UPDATE_LAYOUT_MDSTHRESH, 644 PNFS_UPDATE_LAYOUT_NOMEM, 645 PNFS_UPDATE_LAYOUT_BULK_RECALL, 646 PNFS_UPDATE_LAYOUT_IO_TEST_FAIL, 647 PNFS_UPDATE_LAYOUT_FOUND_CACHED, 648 PNFS_UPDATE_LAYOUT_RETURN, 649 PNFS_UPDATE_LAYOUT_RETRY, 650 PNFS_UPDATE_LAYOUT_BLOCKED, 651 PNFS_UPDATE_LAYOUT_INVALID_OPEN, 652 PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET, 653 }; 654 655 #define NFS4_OP_MAP_NUM_LONGS \ 656 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) 657 #define NFS4_OP_MAP_NUM_WORDS \ 658 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) 659 struct nfs4_op_map { 660 union { 661 unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; 662 u32 words[NFS4_OP_MAP_NUM_WORDS]; 663 } u; 664 }; 665 666 #endif 667