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[]; 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 /* xattr support (RFC8726) */ 154 OP_GETXATTR = 72, 155 OP_SETXATTR = 73, 156 OP_LISTXATTRS = 74, 157 OP_REMOVEXATTR = 75, 158 159 OP_ILLEGAL = 10044, 160 }; 161 162 /*Defining first and last NFS4 operations implemented. 163 Needs to be updated if more operations are defined in future.*/ 164 165 #define FIRST_NFS4_OP OP_ACCESS 166 #define LAST_NFS40_OP OP_RELEASE_LOCKOWNER 167 #define LAST_NFS41_OP OP_RECLAIM_COMPLETE 168 #define LAST_NFS42_OP OP_REMOVEXATTR 169 #define LAST_NFS4_OP LAST_NFS42_OP 170 171 enum nfsstat4 { 172 NFS4_OK = 0, 173 NFS4ERR_PERM = 1, 174 NFS4ERR_NOENT = 2, 175 NFS4ERR_IO = 5, 176 NFS4ERR_NXIO = 6, 177 NFS4ERR_ACCESS = 13, 178 NFS4ERR_EXIST = 17, 179 NFS4ERR_XDEV = 18, 180 /* Unused/reserved 19 */ 181 NFS4ERR_NOTDIR = 20, 182 NFS4ERR_ISDIR = 21, 183 NFS4ERR_INVAL = 22, 184 NFS4ERR_FBIG = 27, 185 NFS4ERR_NOSPC = 28, 186 NFS4ERR_ROFS = 30, 187 NFS4ERR_MLINK = 31, 188 NFS4ERR_NAMETOOLONG = 63, 189 NFS4ERR_NOTEMPTY = 66, 190 NFS4ERR_DQUOT = 69, 191 NFS4ERR_STALE = 70, 192 NFS4ERR_BADHANDLE = 10001, 193 NFS4ERR_BAD_COOKIE = 10003, 194 NFS4ERR_NOTSUPP = 10004, 195 NFS4ERR_TOOSMALL = 10005, 196 NFS4ERR_SERVERFAULT = 10006, 197 NFS4ERR_BADTYPE = 10007, 198 NFS4ERR_DELAY = 10008, 199 NFS4ERR_SAME = 10009, 200 NFS4ERR_DENIED = 10010, 201 NFS4ERR_EXPIRED = 10011, 202 NFS4ERR_LOCKED = 10012, 203 NFS4ERR_GRACE = 10013, 204 NFS4ERR_FHEXPIRED = 10014, 205 NFS4ERR_SHARE_DENIED = 10015, 206 NFS4ERR_WRONGSEC = 10016, 207 NFS4ERR_CLID_INUSE = 10017, 208 NFS4ERR_RESOURCE = 10018, 209 NFS4ERR_MOVED = 10019, 210 NFS4ERR_NOFILEHANDLE = 10020, 211 NFS4ERR_MINOR_VERS_MISMATCH = 10021, 212 NFS4ERR_STALE_CLIENTID = 10022, 213 NFS4ERR_STALE_STATEID = 10023, 214 NFS4ERR_OLD_STATEID = 10024, 215 NFS4ERR_BAD_STATEID = 10025, 216 NFS4ERR_BAD_SEQID = 10026, 217 NFS4ERR_NOT_SAME = 10027, 218 NFS4ERR_LOCK_RANGE = 10028, 219 NFS4ERR_SYMLINK = 10029, 220 NFS4ERR_RESTOREFH = 10030, 221 NFS4ERR_LEASE_MOVED = 10031, 222 NFS4ERR_ATTRNOTSUPP = 10032, 223 NFS4ERR_NO_GRACE = 10033, 224 NFS4ERR_RECLAIM_BAD = 10034, 225 NFS4ERR_RECLAIM_CONFLICT = 10035, 226 NFS4ERR_BADXDR = 10036, 227 NFS4ERR_LOCKS_HELD = 10037, 228 NFS4ERR_OPENMODE = 10038, 229 NFS4ERR_BADOWNER = 10039, 230 NFS4ERR_BADCHAR = 10040, 231 NFS4ERR_BADNAME = 10041, 232 NFS4ERR_BAD_RANGE = 10042, 233 NFS4ERR_LOCK_NOTSUPP = 10043, 234 NFS4ERR_OP_ILLEGAL = 10044, 235 NFS4ERR_DEADLOCK = 10045, 236 NFS4ERR_FILE_OPEN = 10046, 237 NFS4ERR_ADMIN_REVOKED = 10047, 238 NFS4ERR_CB_PATH_DOWN = 10048, 239 240 /* nfs41 */ 241 NFS4ERR_BADIOMODE = 10049, 242 NFS4ERR_BADLAYOUT = 10050, 243 NFS4ERR_BAD_SESSION_DIGEST = 10051, 244 NFS4ERR_BADSESSION = 10052, 245 NFS4ERR_BADSLOT = 10053, 246 NFS4ERR_COMPLETE_ALREADY = 10054, 247 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055, 248 NFS4ERR_DELEG_ALREADY_WANTED = 10056, 249 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */ 250 NFS4ERR_LAYOUTTRYLATER = 10058, 251 NFS4ERR_LAYOUTUNAVAILABLE = 10059, 252 NFS4ERR_NOMATCHING_LAYOUT = 10060, 253 NFS4ERR_RECALLCONFLICT = 10061, 254 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062, 255 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */ 256 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */ 257 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */ 258 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */ 259 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */ 260 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */ 261 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */ 262 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */ 263 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */ 264 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */ 265 /* Error 10073 is unused. */ 266 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */ 267 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */ 268 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */ 269 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */ 270 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */ 271 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */ 272 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */ 273 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */ 274 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */ 275 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */ 276 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */ 277 NFS4ERR_REJECT_DELEG = 10085, /* on callback */ 278 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */ 279 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */ 280 281 /* nfs42 */ 282 NFS4ERR_PARTNER_NOTSUPP = 10088, 283 NFS4ERR_PARTNER_NO_AUTH = 10089, 284 NFS4ERR_UNION_NOTSUPP = 10090, 285 NFS4ERR_OFFLOAD_DENIED = 10091, 286 NFS4ERR_WRONG_LFS = 10092, 287 NFS4ERR_BADLABEL = 10093, 288 NFS4ERR_OFFLOAD_NO_REQS = 10094, 289 290 /* xattr (RFC8276) */ 291 NFS4ERR_NOXATTR = 10095, 292 NFS4ERR_XATTR2BIG = 10096, 293 }; 294 295 /* error codes for internal client use */ 296 #define NFS4ERR_RESET_TO_MDS 12001 297 #define NFS4ERR_RESET_TO_PNFS 12002 298 seqid_mutating_err(u32 err)299 static inline bool seqid_mutating_err(u32 err) 300 { 301 /* See RFC 7530, section 9.1.7 */ 302 switch (err) { 303 case NFS4ERR_STALE_CLIENTID: 304 case NFS4ERR_STALE_STATEID: 305 case NFS4ERR_BAD_STATEID: 306 case NFS4ERR_BAD_SEQID: 307 case NFS4ERR_BADXDR: 308 case NFS4ERR_RESOURCE: 309 case NFS4ERR_NOFILEHANDLE: 310 case NFS4ERR_MOVED: 311 return false; 312 } 313 return true; 314 } 315 316 /* 317 * Note: NF4BAD is not actually part of the protocol; it is just used 318 * internally by nfsd. 319 */ 320 enum nfs_ftype4 { 321 NF4BAD = 0, 322 NF4REG = 1, /* Regular File */ 323 NF4DIR = 2, /* Directory */ 324 NF4BLK = 3, /* Special File - block device */ 325 NF4CHR = 4, /* Special File - character device */ 326 NF4LNK = 5, /* Symbolic Link */ 327 NF4SOCK = 6, /* Special File - socket */ 328 NF4FIFO = 7, /* Special File - fifo */ 329 NF4ATTRDIR = 8, /* Attribute Directory */ 330 NF4NAMEDATTR = 9 /* Named Attribute */ 331 }; 332 333 enum open_claim_type4 { 334 NFS4_OPEN_CLAIM_NULL = 0, 335 NFS4_OPEN_CLAIM_PREVIOUS = 1, 336 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2, 337 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3, 338 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */ 339 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */ 340 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */ 341 }; 342 343 enum opentype4 { 344 NFS4_OPEN_NOCREATE = 0, 345 NFS4_OPEN_CREATE = 1 346 }; 347 348 enum createmode4 { 349 NFS4_CREATE_UNCHECKED = 0, 350 NFS4_CREATE_GUARDED = 1, 351 NFS4_CREATE_EXCLUSIVE = 2, 352 /* 353 * New to NFSv4.1. If session is persistent, 354 * GUARDED4 MUST be used. Otherwise, use 355 * EXCLUSIVE4_1 instead of EXCLUSIVE4. 356 */ 357 NFS4_CREATE_EXCLUSIVE4_1 = 3 358 }; 359 360 enum limit_by4 { 361 NFS4_LIMIT_SIZE = 1, 362 NFS4_LIMIT_BLOCKS = 2 363 }; 364 365 enum open_delegation_type4 { 366 NFS4_OPEN_DELEGATE_NONE = 0, 367 NFS4_OPEN_DELEGATE_READ = 1, 368 NFS4_OPEN_DELEGATE_WRITE = 2, 369 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */ 370 }; 371 372 enum why_no_delegation4 { /* new to v4.1 */ 373 WND4_NOT_WANTED = 0, 374 WND4_CONTENTION = 1, 375 WND4_RESOURCE = 2, 376 WND4_NOT_SUPP_FTYPE = 3, 377 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4, 378 WND4_NOT_SUPP_UPGRADE = 5, 379 WND4_NOT_SUPP_DOWNGRADE = 6, 380 WND4_CANCELLED = 7, 381 WND4_IS_DIR = 8, 382 }; 383 384 enum lock_type4 { 385 NFS4_UNLOCK_LT = 0, 386 NFS4_READ_LT = 1, 387 NFS4_WRITE_LT = 2, 388 NFS4_READW_LT = 3, 389 NFS4_WRITEW_LT = 4 390 }; 391 392 393 /* Mandatory Attributes */ 394 #define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0) 395 #define FATTR4_WORD0_TYPE (1UL << 1) 396 #define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2) 397 #define FATTR4_WORD0_CHANGE (1UL << 3) 398 #define FATTR4_WORD0_SIZE (1UL << 4) 399 #define FATTR4_WORD0_LINK_SUPPORT (1UL << 5) 400 #define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6) 401 #define FATTR4_WORD0_NAMED_ATTR (1UL << 7) 402 #define FATTR4_WORD0_FSID (1UL << 8) 403 #define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9) 404 #define FATTR4_WORD0_LEASE_TIME (1UL << 10) 405 #define FATTR4_WORD0_RDATTR_ERROR (1UL << 11) 406 /* Mandatory in NFSv4.1 */ 407 #define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11) 408 409 /* Recommended Attributes */ 410 #define FATTR4_WORD0_ACL (1UL << 12) 411 #define FATTR4_WORD0_ACLSUPPORT (1UL << 13) 412 #define FATTR4_WORD0_ARCHIVE (1UL << 14) 413 #define FATTR4_WORD0_CANSETTIME (1UL << 15) 414 #define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16) 415 #define FATTR4_WORD0_CASE_PRESERVING (1UL << 17) 416 #define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18) 417 #define FATTR4_WORD0_FILEHANDLE (1UL << 19) 418 #define FATTR4_WORD0_FILEID (1UL << 20) 419 #define FATTR4_WORD0_FILES_AVAIL (1UL << 21) 420 #define FATTR4_WORD0_FILES_FREE (1UL << 22) 421 #define FATTR4_WORD0_FILES_TOTAL (1UL << 23) 422 #define FATTR4_WORD0_FS_LOCATIONS (1UL << 24) 423 #define FATTR4_WORD0_HIDDEN (1UL << 25) 424 #define FATTR4_WORD0_HOMOGENEOUS (1UL << 26) 425 #define FATTR4_WORD0_MAXFILESIZE (1UL << 27) 426 #define FATTR4_WORD0_MAXLINK (1UL << 28) 427 #define FATTR4_WORD0_MAXNAME (1UL << 29) 428 #define FATTR4_WORD0_MAXREAD (1UL << 30) 429 #define FATTR4_WORD0_MAXWRITE (1UL << 31) 430 #define FATTR4_WORD1_MIMETYPE (1UL << 0) 431 #define FATTR4_WORD1_MODE (1UL << 1) 432 #define FATTR4_WORD1_NO_TRUNC (1UL << 2) 433 #define FATTR4_WORD1_NUMLINKS (1UL << 3) 434 #define FATTR4_WORD1_OWNER (1UL << 4) 435 #define FATTR4_WORD1_OWNER_GROUP (1UL << 5) 436 #define FATTR4_WORD1_QUOTA_HARD (1UL << 6) 437 #define FATTR4_WORD1_QUOTA_SOFT (1UL << 7) 438 #define FATTR4_WORD1_QUOTA_USED (1UL << 8) 439 #define FATTR4_WORD1_RAWDEV (1UL << 9) 440 #define FATTR4_WORD1_SPACE_AVAIL (1UL << 10) 441 #define FATTR4_WORD1_SPACE_FREE (1UL << 11) 442 #define FATTR4_WORD1_SPACE_TOTAL (1UL << 12) 443 #define FATTR4_WORD1_SPACE_USED (1UL << 13) 444 #define FATTR4_WORD1_SYSTEM (1UL << 14) 445 #define FATTR4_WORD1_TIME_ACCESS (1UL << 15) 446 #define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16) 447 #define FATTR4_WORD1_TIME_BACKUP (1UL << 17) 448 #define FATTR4_WORD1_TIME_CREATE (1UL << 18) 449 #define FATTR4_WORD1_TIME_DELTA (1UL << 19) 450 #define FATTR4_WORD1_TIME_METADATA (1UL << 20) 451 #define FATTR4_WORD1_TIME_MODIFY (1UL << 21) 452 #define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22) 453 #define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23) 454 #define FATTR4_WORD1_DACL (1UL << 26) 455 #define FATTR4_WORD1_SACL (1UL << 27) 456 #define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30) 457 #define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0) 458 #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) 459 #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) 460 #define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13) 461 #define FATTR4_WORD2_CHANGE_ATTR_TYPE (1UL << 15) 462 #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) 463 #define FATTR4_WORD2_MODE_UMASK (1UL << 17) 464 #define FATTR4_WORD2_XATTR_SUPPORT (1UL << 18) 465 466 /* MDS threshold bitmap bits */ 467 #define THRESHOLD_RD (1UL << 0) 468 #define THRESHOLD_WR (1UL << 1) 469 #define THRESHOLD_RD_IO (1UL << 2) 470 #define THRESHOLD_WR_IO (1UL << 3) 471 472 #define NFSPROC4_NULL 0 473 #define NFSPROC4_COMPOUND 1 474 #define NFS4_VERSION 4 475 #define NFS4_MINOR_VERSION 0 476 477 #define NFS4_DEBUG 1 478 479 /* 480 * Index of predefined Linux client operations 481 * 482 * To ensure that /proc/net/rpc/nfs remains correctly ordered, please 483 * append only to this enum when adding new client operations. 484 */ 485 486 enum { 487 NFSPROC4_CLNT_NULL = 0, /* Unused */ 488 NFSPROC4_CLNT_READ, 489 NFSPROC4_CLNT_WRITE, 490 NFSPROC4_CLNT_COMMIT, 491 NFSPROC4_CLNT_OPEN, 492 NFSPROC4_CLNT_OPEN_CONFIRM, 493 NFSPROC4_CLNT_OPEN_NOATTR, 494 NFSPROC4_CLNT_OPEN_DOWNGRADE, 495 NFSPROC4_CLNT_CLOSE, 496 NFSPROC4_CLNT_SETATTR, 497 NFSPROC4_CLNT_FSINFO, 498 NFSPROC4_CLNT_RENEW, 499 NFSPROC4_CLNT_SETCLIENTID, 500 NFSPROC4_CLNT_SETCLIENTID_CONFIRM, 501 NFSPROC4_CLNT_LOCK, 502 NFSPROC4_CLNT_LOCKT, 503 NFSPROC4_CLNT_LOCKU, 504 NFSPROC4_CLNT_ACCESS, 505 NFSPROC4_CLNT_GETATTR, 506 NFSPROC4_CLNT_LOOKUP, 507 NFSPROC4_CLNT_LOOKUP_ROOT, 508 NFSPROC4_CLNT_REMOVE, 509 NFSPROC4_CLNT_RENAME, 510 NFSPROC4_CLNT_LINK, 511 NFSPROC4_CLNT_SYMLINK, 512 NFSPROC4_CLNT_CREATE, 513 NFSPROC4_CLNT_PATHCONF, 514 NFSPROC4_CLNT_STATFS, 515 NFSPROC4_CLNT_READLINK, 516 NFSPROC4_CLNT_READDIR, 517 NFSPROC4_CLNT_SERVER_CAPS, 518 NFSPROC4_CLNT_DELEGRETURN, 519 NFSPROC4_CLNT_GETACL, 520 NFSPROC4_CLNT_SETACL, 521 NFSPROC4_CLNT_FS_LOCATIONS, 522 NFSPROC4_CLNT_RELEASE_LOCKOWNER, 523 NFSPROC4_CLNT_SECINFO, 524 NFSPROC4_CLNT_FSID_PRESENT, 525 526 NFSPROC4_CLNT_EXCHANGE_ID, 527 NFSPROC4_CLNT_CREATE_SESSION, 528 NFSPROC4_CLNT_DESTROY_SESSION, 529 NFSPROC4_CLNT_SEQUENCE, 530 NFSPROC4_CLNT_GET_LEASE_TIME, 531 NFSPROC4_CLNT_RECLAIM_COMPLETE, 532 NFSPROC4_CLNT_LAYOUTGET, 533 NFSPROC4_CLNT_GETDEVICEINFO, 534 NFSPROC4_CLNT_LAYOUTCOMMIT, 535 NFSPROC4_CLNT_LAYOUTRETURN, 536 NFSPROC4_CLNT_SECINFO_NO_NAME, 537 NFSPROC4_CLNT_TEST_STATEID, 538 NFSPROC4_CLNT_FREE_STATEID, 539 NFSPROC4_CLNT_GETDEVICELIST, 540 NFSPROC4_CLNT_BIND_CONN_TO_SESSION, 541 NFSPROC4_CLNT_DESTROY_CLIENTID, 542 543 NFSPROC4_CLNT_SEEK, 544 NFSPROC4_CLNT_ALLOCATE, 545 NFSPROC4_CLNT_DEALLOCATE, 546 NFSPROC4_CLNT_LAYOUTSTATS, 547 NFSPROC4_CLNT_CLONE, 548 NFSPROC4_CLNT_COPY, 549 NFSPROC4_CLNT_OFFLOAD_CANCEL, 550 551 NFSPROC4_CLNT_LOOKUPP, 552 NFSPROC4_CLNT_LAYOUTERROR, 553 NFSPROC4_CLNT_COPY_NOTIFY, 554 555 NFSPROC4_CLNT_GETXATTR, 556 NFSPROC4_CLNT_SETXATTR, 557 NFSPROC4_CLNT_LISTXATTRS, 558 NFSPROC4_CLNT_REMOVEXATTR, 559 NFSPROC4_CLNT_READ_PLUS, 560 }; 561 562 /* nfs41 types */ 563 struct nfs4_sessionid { 564 unsigned char data[NFS4_MAX_SESSIONID_LEN]; 565 }; 566 567 /* Create Session Flags */ 568 #define SESSION4_PERSIST 0x001 569 #define SESSION4_BACK_CHAN 0x002 570 #define SESSION4_RDMA 0x004 571 572 #define SESSION4_FLAG_MASK_A 0x007 573 574 enum state_protect_how4 { 575 SP4_NONE = 0, 576 SP4_MACH_CRED = 1, 577 SP4_SSV = 2 578 }; 579 580 enum pnfs_layouttype { 581 LAYOUT_NFSV4_1_FILES = 1, 582 LAYOUT_OSD2_OBJECTS = 2, 583 LAYOUT_BLOCK_VOLUME = 3, 584 LAYOUT_FLEX_FILES = 4, 585 LAYOUT_SCSI = 5, 586 LAYOUT_TYPE_MAX 587 }; 588 589 /* used for both layout return and recall */ 590 enum pnfs_layoutreturn_type { 591 RETURN_FILE = 1, 592 RETURN_FSID = 2, 593 RETURN_ALL = 3 594 }; 595 596 enum pnfs_iomode { 597 IOMODE_READ = 1, 598 IOMODE_RW = 2, 599 IOMODE_ANY = 3, 600 }; 601 602 enum pnfs_notify_deviceid_type4 { 603 NOTIFY_DEVICEID4_CHANGE = 1 << 1, 604 NOTIFY_DEVICEID4_DELETE = 1 << 2, 605 }; 606 607 enum pnfs_block_volume_type { 608 PNFS_BLOCK_VOLUME_SIMPLE = 0, 609 PNFS_BLOCK_VOLUME_SLICE = 1, 610 PNFS_BLOCK_VOLUME_CONCAT = 2, 611 PNFS_BLOCK_VOLUME_STRIPE = 3, 612 PNFS_BLOCK_VOLUME_SCSI = 4, 613 }; 614 615 enum pnfs_block_extent_state { 616 PNFS_BLOCK_READWRITE_DATA = 0, 617 PNFS_BLOCK_READ_DATA = 1, 618 PNFS_BLOCK_INVALID_DATA = 2, 619 PNFS_BLOCK_NONE_DATA = 3, 620 }; 621 622 /* on the wire size of a block layout extent */ 623 #define PNFS_BLOCK_EXTENT_SIZE \ 624 (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE) 625 626 /* on the wire size of a scsi commit range */ 627 #define PNFS_SCSI_RANGE_SIZE \ 628 (4 * sizeof(__be32)) 629 630 enum scsi_code_set { 631 PS_CODE_SET_BINARY = 1, 632 PS_CODE_SET_ASCII = 2, 633 PS_CODE_SET_UTF8 = 3 634 }; 635 636 enum scsi_designator_type { 637 PS_DESIGNATOR_T10 = 1, 638 PS_DESIGNATOR_EUI64 = 2, 639 PS_DESIGNATOR_NAA = 3, 640 PS_DESIGNATOR_NAME = 8 641 }; 642 643 #define NFL4_UFLG_MASK 0x0000003F 644 #define NFL4_UFLG_DENSE 0x00000001 645 #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002 646 #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0 647 648 /* Encoded in the loh_body field of type layouthint4 */ 649 enum filelayout_hint_care4 { 650 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE, 651 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS, 652 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040, 653 NFLH4_CARE_STRIPE_COUNT = 0x00000080 654 }; 655 656 #define NFS4_DEVICEID4_SIZE 16 657 658 struct nfs4_deviceid { 659 char data[NFS4_DEVICEID4_SIZE]; 660 }; 661 662 enum data_content4 { 663 NFS4_CONTENT_DATA = 0, 664 NFS4_CONTENT_HOLE = 1, 665 }; 666 667 enum pnfs_update_layout_reason { 668 PNFS_UPDATE_LAYOUT_UNKNOWN = 0, 669 PNFS_UPDATE_LAYOUT_NO_PNFS, 670 PNFS_UPDATE_LAYOUT_RD_ZEROLEN, 671 PNFS_UPDATE_LAYOUT_MDSTHRESH, 672 PNFS_UPDATE_LAYOUT_NOMEM, 673 PNFS_UPDATE_LAYOUT_BULK_RECALL, 674 PNFS_UPDATE_LAYOUT_IO_TEST_FAIL, 675 PNFS_UPDATE_LAYOUT_FOUND_CACHED, 676 PNFS_UPDATE_LAYOUT_RETURN, 677 PNFS_UPDATE_LAYOUT_RETRY, 678 PNFS_UPDATE_LAYOUT_BLOCKED, 679 PNFS_UPDATE_LAYOUT_INVALID_OPEN, 680 PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET, 681 PNFS_UPDATE_LAYOUT_EXIT, 682 }; 683 684 #define NFS4_OP_MAP_NUM_LONGS \ 685 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) 686 #define NFS4_OP_MAP_NUM_WORDS \ 687 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) 688 struct nfs4_op_map { 689 union { 690 unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; 691 u32 words[NFS4_OP_MAP_NUM_WORDS]; 692 } u; 693 }; 694 695 struct nfs42_netaddr { 696 char netid[RPCBIND_MAXNETIDLEN]; 697 char addr[RPCBIND_MAXUADDRLEN + 1]; 698 u32 netid_len; 699 u32 addr_len; 700 }; 701 702 enum netloc_type4 { 703 NL4_NAME = 1, 704 NL4_URL = 2, 705 NL4_NETADDR = 3, 706 }; 707 708 struct nl4_server { 709 enum netloc_type4 nl4_type; 710 union { 711 struct { /* NL4_NAME, NL4_URL */ 712 int nl4_str_sz; 713 char nl4_str[NFS4_OPAQUE_LIMIT + 1]; 714 }; 715 struct nfs42_netaddr nl4_addr; /* NL4_NETADDR */ 716 } u; 717 }; 718 719 enum nfs4_change_attr_type { 720 NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR = 0, 721 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER = 1, 722 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS = 2, 723 NFS4_CHANGE_TYPE_IS_TIME_METADATA = 3, 724 NFS4_CHANGE_TYPE_IS_UNDEFINED = 4, 725 }; 726 727 /* 728 * Options for setxattr. These match the flags for setxattr(2). 729 */ 730 enum nfs4_setxattr_options { 731 SETXATTR4_EITHER = 0, 732 SETXATTR4_CREATE = 1, 733 SETXATTR4_REPLACE = 2, 734 }; 735 #endif 736
