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 <[email protected]> 11 * Andy Adamson <[email protected]> 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 #include <linux/sunrpc/xdrgen/nfs4_1.h> 21 22 enum nfs4_acl_whotype { 23 NFS4_ACL_WHO_NAMED = 0, 24 NFS4_ACL_WHO_OWNER, 25 NFS4_ACL_WHO_GROUP, 26 NFS4_ACL_WHO_EVERYONE, 27 }; 28 29 struct nfs4_ace { 30 uint32_t type; 31 uint32_t flag; 32 uint32_t access_mask; 33 int whotype; 34 union { 35 kuid_t who_uid; 36 kgid_t who_gid; 37 }; 38 }; 39 40 struct nfs4_acl { 41 uint32_t naces; 42 struct nfs4_ace aces[]; 43 }; 44 45 #define NFS4_MAXLABELLEN 2048 46 47 struct nfs4_label { 48 uint32_t lfs; 49 uint32_t pi; 50 u32 len; 51 char *label; 52 }; 53 54 typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier; 55 56 struct nfs4_stateid_struct { 57 union { 58 char data[NFS4_STATEID_SIZE]; 59 struct { 60 __be32 seqid; 61 char other[NFS4_STATEID_OTHER_SIZE]; 62 } __attribute__ ((packed)); 63 }; 64 65 enum { 66 NFS4_INVALID_STATEID_TYPE = 0, 67 NFS4_SPECIAL_STATEID_TYPE, 68 NFS4_OPEN_STATEID_TYPE, 69 NFS4_LOCK_STATEID_TYPE, 70 NFS4_DELEGATION_STATEID_TYPE, 71 NFS4_LAYOUT_STATEID_TYPE, 72 NFS4_PNFS_DS_STATEID_TYPE, 73 NFS4_REVOKED_STATEID_TYPE, 74 } type; 75 }; 76 77 typedef struct nfs4_stateid_struct nfs4_stateid; 78 79 enum nfs_opnum4 { 80 OP_ACCESS = 3, 81 OP_CLOSE = 4, 82 OP_COMMIT = 5, 83 OP_CREATE = 6, 84 OP_DELEGPURGE = 7, 85 OP_DELEGRETURN = 8, 86 OP_GETATTR = 9, 87 OP_GETFH = 10, 88 OP_LINK = 11, 89 OP_LOCK = 12, 90 OP_LOCKT = 13, 91 OP_LOCKU = 14, 92 OP_LOOKUP = 15, 93 OP_LOOKUPP = 16, 94 OP_NVERIFY = 17, 95 OP_OPEN = 18, 96 OP_OPENATTR = 19, 97 OP_OPEN_CONFIRM = 20, 98 OP_OPEN_DOWNGRADE = 21, 99 OP_PUTFH = 22, 100 OP_PUTPUBFH = 23, 101 OP_PUTROOTFH = 24, 102 OP_READ = 25, 103 OP_READDIR = 26, 104 OP_READLINK = 27, 105 OP_REMOVE = 28, 106 OP_RENAME = 29, 107 OP_RENEW = 30, 108 OP_RESTOREFH = 31, 109 OP_SAVEFH = 32, 110 OP_SECINFO = 33, 111 OP_SETATTR = 34, 112 OP_SETCLIENTID = 35, 113 OP_SETCLIENTID_CONFIRM = 36, 114 OP_VERIFY = 37, 115 OP_WRITE = 38, 116 OP_RELEASE_LOCKOWNER = 39, 117 118 /* nfs41 */ 119 OP_BACKCHANNEL_CTL = 40, 120 OP_BIND_CONN_TO_SESSION = 41, 121 OP_EXCHANGE_ID = 42, 122 OP_CREATE_SESSION = 43, 123 OP_DESTROY_SESSION = 44, 124 OP_FREE_STATEID = 45, 125 OP_GET_DIR_DELEGATION = 46, 126 OP_GETDEVICEINFO = 47, 127 OP_GETDEVICELIST = 48, 128 OP_LAYOUTCOMMIT = 49, 129 OP_LAYOUTGET = 50, 130 OP_LAYOUTRETURN = 51, 131 OP_SECINFO_NO_NAME = 52, 132 OP_SEQUENCE = 53, 133 OP_SET_SSV = 54, 134 OP_TEST_STATEID = 55, 135 OP_WANT_DELEGATION = 56, 136 OP_DESTROY_CLIENTID = 57, 137 OP_RECLAIM_COMPLETE = 58, 138 139 /* nfs42 */ 140 OP_ALLOCATE = 59, 141 OP_COPY = 60, 142 OP_COPY_NOTIFY = 61, 143 OP_DEALLOCATE = 62, 144 OP_IO_ADVISE = 63, 145 OP_LAYOUTERROR = 64, 146 OP_LAYOUTSTATS = 65, 147 OP_OFFLOAD_CANCEL = 66, 148 OP_OFFLOAD_STATUS = 67, 149 OP_READ_PLUS = 68, 150 OP_SEEK = 69, 151 OP_WRITE_SAME = 70, 152 OP_CLONE = 71, 153 154 /* xattr support (RFC8276) */ 155 OP_GETXATTR = 72, 156 OP_SETXATTR = 73, 157 OP_LISTXATTRS = 74, 158 OP_REMOVEXATTR = 75, 159 160 OP_ILLEGAL = 10044, 161 }; 162 163 /*Defining first and last NFS4 operations implemented. 164 Needs to be updated if more operations are defined in future.*/ 165 166 #define FIRST_NFS4_OP OP_ACCESS 167 #define LAST_NFS40_OP OP_RELEASE_LOCKOWNER 168 #define LAST_NFS41_OP OP_RECLAIM_COMPLETE 169 #define LAST_NFS42_OP OP_REMOVEXATTR 170 #define LAST_NFS4_OP LAST_NFS42_OP 171 172 enum nfsstat4 { 173 NFS4_OK = 0, 174 NFS4ERR_PERM = 1, 175 NFS4ERR_NOENT = 2, 176 NFS4ERR_IO = 5, 177 NFS4ERR_NXIO = 6, 178 NFS4ERR_ACCESS = 13, 179 NFS4ERR_EXIST = 17, 180 NFS4ERR_XDEV = 18, 181 /* Unused/reserved 19 */ 182 NFS4ERR_NOTDIR = 20, 183 NFS4ERR_ISDIR = 21, 184 NFS4ERR_INVAL = 22, 185 NFS4ERR_FBIG = 27, 186 NFS4ERR_NOSPC = 28, 187 NFS4ERR_ROFS = 30, 188 NFS4ERR_MLINK = 31, 189 NFS4ERR_NAMETOOLONG = 63, 190 NFS4ERR_NOTEMPTY = 66, 191 NFS4ERR_DQUOT = 69, 192 NFS4ERR_STALE = 70, 193 NFS4ERR_BADHANDLE = 10001, 194 NFS4ERR_BAD_COOKIE = 10003, 195 NFS4ERR_NOTSUPP = 10004, 196 NFS4ERR_TOOSMALL = 10005, 197 NFS4ERR_SERVERFAULT = 10006, 198 NFS4ERR_BADTYPE = 10007, 199 NFS4ERR_DELAY = 10008, 200 NFS4ERR_SAME = 10009, 201 NFS4ERR_DENIED = 10010, 202 NFS4ERR_EXPIRED = 10011, 203 NFS4ERR_LOCKED = 10012, 204 NFS4ERR_GRACE = 10013, 205 NFS4ERR_FHEXPIRED = 10014, 206 NFS4ERR_SHARE_DENIED = 10015, 207 NFS4ERR_WRONGSEC = 10016, 208 NFS4ERR_CLID_INUSE = 10017, 209 NFS4ERR_RESOURCE = 10018, 210 NFS4ERR_MOVED = 10019, 211 NFS4ERR_NOFILEHANDLE = 10020, 212 NFS4ERR_MINOR_VERS_MISMATCH = 10021, 213 NFS4ERR_STALE_CLIENTID = 10022, 214 NFS4ERR_STALE_STATEID = 10023, 215 NFS4ERR_OLD_STATEID = 10024, 216 NFS4ERR_BAD_STATEID = 10025, 217 NFS4ERR_BAD_SEQID = 10026, 218 NFS4ERR_NOT_SAME = 10027, 219 NFS4ERR_LOCK_RANGE = 10028, 220 NFS4ERR_SYMLINK = 10029, 221 NFS4ERR_RESTOREFH = 10030, 222 NFS4ERR_LEASE_MOVED = 10031, 223 NFS4ERR_ATTRNOTSUPP = 10032, 224 NFS4ERR_NO_GRACE = 10033, 225 NFS4ERR_RECLAIM_BAD = 10034, 226 NFS4ERR_RECLAIM_CONFLICT = 10035, 227 NFS4ERR_BADXDR = 10036, 228 NFS4ERR_LOCKS_HELD = 10037, 229 NFS4ERR_OPENMODE = 10038, 230 NFS4ERR_BADOWNER = 10039, 231 NFS4ERR_BADCHAR = 10040, 232 NFS4ERR_BADNAME = 10041, 233 NFS4ERR_BAD_RANGE = 10042, 234 NFS4ERR_LOCK_NOTSUPP = 10043, 235 NFS4ERR_OP_ILLEGAL = 10044, 236 NFS4ERR_DEADLOCK = 10045, 237 NFS4ERR_FILE_OPEN = 10046, 238 NFS4ERR_ADMIN_REVOKED = 10047, 239 NFS4ERR_CB_PATH_DOWN = 10048, 240 241 /* nfs41 */ 242 NFS4ERR_BADIOMODE = 10049, 243 NFS4ERR_BADLAYOUT = 10050, 244 NFS4ERR_BAD_SESSION_DIGEST = 10051, 245 NFS4ERR_BADSESSION = 10052, 246 NFS4ERR_BADSLOT = 10053, 247 NFS4ERR_COMPLETE_ALREADY = 10054, 248 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055, 249 NFS4ERR_DELEG_ALREADY_WANTED = 10056, 250 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */ 251 NFS4ERR_LAYOUTTRYLATER = 10058, 252 NFS4ERR_LAYOUTUNAVAILABLE = 10059, 253 NFS4ERR_NOMATCHING_LAYOUT = 10060, 254 NFS4ERR_RECALLCONFLICT = 10061, 255 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062, 256 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */ 257 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */ 258 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */ 259 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */ 260 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */ 261 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */ 262 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */ 263 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */ 264 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */ 265 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */ 266 /* Error 10073 is unused. */ 267 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */ 268 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */ 269 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */ 270 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */ 271 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */ 272 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */ 273 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */ 274 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */ 275 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */ 276 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */ 277 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */ 278 NFS4ERR_REJECT_DELEG = 10085, /* on callback */ 279 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */ 280 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */ 281 282 /* nfs42 */ 283 NFS4ERR_PARTNER_NOTSUPP = 10088, 284 NFS4ERR_PARTNER_NO_AUTH = 10089, 285 NFS4ERR_UNION_NOTSUPP = 10090, 286 NFS4ERR_OFFLOAD_DENIED = 10091, 287 NFS4ERR_WRONG_LFS = 10092, 288 NFS4ERR_BADLABEL = 10093, 289 NFS4ERR_OFFLOAD_NO_REQS = 10094, 290 291 /* xattr (RFC8276) */ 292 NFS4ERR_NOXATTR = 10095, 293 NFS4ERR_XATTR2BIG = 10096, 294 295 /* can be used for internal errors */ 296 NFS4ERR_FIRST_FREE 297 }; 298 299 /* error codes for internal client use */ 300 #define NFS4ERR_RESET_TO_MDS 12001 301 #define NFS4ERR_RESET_TO_PNFS 12002 302 303 static inline bool seqid_mutating_err(u32 err) 304 { 305 /* See RFC 7530, section 9.1.7 */ 306 switch (err) { 307 case NFS4ERR_STALE_CLIENTID: 308 case NFS4ERR_STALE_STATEID: 309 case NFS4ERR_BAD_STATEID: 310 case NFS4ERR_BAD_SEQID: 311 case NFS4ERR_BADXDR: 312 case NFS4ERR_RESOURCE: 313 case NFS4ERR_NOFILEHANDLE: 314 case NFS4ERR_MOVED: 315 return false; 316 } 317 return true; 318 } 319 320 /* 321 * Note: NF4BAD is not actually part of the protocol; it is just used 322 * internally by nfsd. 323 */ 324 enum nfs_ftype4 { 325 NF4BAD = 0, 326 NF4REG = 1, /* Regular File */ 327 NF4DIR = 2, /* Directory */ 328 NF4BLK = 3, /* Special File - block device */ 329 NF4CHR = 4, /* Special File - character device */ 330 NF4LNK = 5, /* Symbolic Link */ 331 NF4SOCK = 6, /* Special File - socket */ 332 NF4FIFO = 7, /* Special File - fifo */ 333 NF4ATTRDIR = 8, /* Attribute Directory */ 334 NF4NAMEDATTR = 9 /* Named Attribute */ 335 }; 336 337 enum open_claim_type4 { 338 NFS4_OPEN_CLAIM_NULL = 0, 339 NFS4_OPEN_CLAIM_PREVIOUS = 1, 340 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2, 341 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3, 342 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */ 343 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */ 344 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */ 345 }; 346 347 enum opentype4 { 348 NFS4_OPEN_NOCREATE = 0, 349 NFS4_OPEN_CREATE = 1 350 }; 351 352 enum createmode4 { 353 NFS4_CREATE_UNCHECKED = 0, 354 NFS4_CREATE_GUARDED = 1, 355 NFS4_CREATE_EXCLUSIVE = 2, 356 /* 357 * New to NFSv4.1. If session is persistent, 358 * GUARDED4 MUST be used. Otherwise, use 359 * EXCLUSIVE4_1 instead of EXCLUSIVE4. 360 */ 361 NFS4_CREATE_EXCLUSIVE4_1 = 3 362 }; 363 364 enum limit_by4 { 365 NFS4_LIMIT_SIZE = 1, 366 NFS4_LIMIT_BLOCKS = 2 367 }; 368 369 enum nfs4_open_delegation_type4 { 370 NFS4_OPEN_DELEGATE_NONE = 0, 371 NFS4_OPEN_DELEGATE_READ = 1, 372 NFS4_OPEN_DELEGATE_WRITE = 2, 373 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */ 374 NFS4_OPEN_DELEGATE_READ_ATTRS_DELEG = 4, 375 NFS4_OPEN_DELEGATE_WRITE_ATTRS_DELEG = 5, 376 }; 377 378 enum why_no_delegation4 { /* new to v4.1 */ 379 WND4_NOT_WANTED = 0, 380 WND4_CONTENTION = 1, 381 WND4_RESOURCE = 2, 382 WND4_NOT_SUPP_FTYPE = 3, 383 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4, 384 WND4_NOT_SUPP_UPGRADE = 5, 385 WND4_NOT_SUPP_DOWNGRADE = 6, 386 WND4_CANCELLED = 7, 387 WND4_IS_DIR = 8, 388 }; 389 390 enum lock_type4 { 391 NFS4_UNLOCK_LT = 0, 392 NFS4_READ_LT = 1, 393 NFS4_WRITE_LT = 2, 394 NFS4_READW_LT = 3, 395 NFS4_WRITEW_LT = 4 396 }; 397 398 /* 399 * Symbol names and values are from RFC 7531 Section 2. 400 * "XDR Description of NFSv4.0" 401 */ 402 enum { 403 FATTR4_SUPPORTED_ATTRS = 0, 404 FATTR4_TYPE = 1, 405 FATTR4_FH_EXPIRE_TYPE = 2, 406 FATTR4_CHANGE = 3, 407 FATTR4_SIZE = 4, 408 FATTR4_LINK_SUPPORT = 5, 409 FATTR4_SYMLINK_SUPPORT = 6, 410 FATTR4_NAMED_ATTR = 7, 411 FATTR4_FSID = 8, 412 FATTR4_UNIQUE_HANDLES = 9, 413 FATTR4_LEASE_TIME = 10, 414 FATTR4_RDATTR_ERROR = 11, 415 FATTR4_ACL = 12, 416 FATTR4_ACLSUPPORT = 13, 417 FATTR4_ARCHIVE = 14, 418 FATTR4_CANSETTIME = 15, 419 FATTR4_CASE_INSENSITIVE = 16, 420 FATTR4_CASE_PRESERVING = 17, 421 FATTR4_CHOWN_RESTRICTED = 18, 422 FATTR4_FILEHANDLE = 19, 423 FATTR4_FILEID = 20, 424 FATTR4_FILES_AVAIL = 21, 425 FATTR4_FILES_FREE = 22, 426 FATTR4_FILES_TOTAL = 23, 427 FATTR4_FS_LOCATIONS = 24, 428 FATTR4_HIDDEN = 25, 429 FATTR4_HOMOGENEOUS = 26, 430 FATTR4_MAXFILESIZE = 27, 431 FATTR4_MAXLINK = 28, 432 FATTR4_MAXNAME = 29, 433 FATTR4_MAXREAD = 30, 434 FATTR4_MAXWRITE = 31, 435 FATTR4_MIMETYPE = 32, 436 FATTR4_MODE = 33, 437 FATTR4_NO_TRUNC = 34, 438 FATTR4_NUMLINKS = 35, 439 FATTR4_OWNER = 36, 440 FATTR4_OWNER_GROUP = 37, 441 FATTR4_QUOTA_AVAIL_HARD = 38, 442 FATTR4_QUOTA_AVAIL_SOFT = 39, 443 FATTR4_QUOTA_USED = 40, 444 FATTR4_RAWDEV = 41, 445 FATTR4_SPACE_AVAIL = 42, 446 FATTR4_SPACE_FREE = 43, 447 FATTR4_SPACE_TOTAL = 44, 448 FATTR4_SPACE_USED = 45, 449 FATTR4_SYSTEM = 46, 450 FATTR4_TIME_ACCESS = 47, 451 FATTR4_TIME_ACCESS_SET = 48, 452 FATTR4_TIME_BACKUP = 49, 453 FATTR4_TIME_CREATE = 50, 454 FATTR4_TIME_DELTA = 51, 455 FATTR4_TIME_METADATA = 52, 456 FATTR4_TIME_MODIFY = 53, 457 FATTR4_TIME_MODIFY_SET = 54, 458 FATTR4_MOUNTED_ON_FILEID = 55, 459 }; 460 461 /* 462 * Symbol names and values are from RFC 5662 Section 2. 463 * "XDR Description of NFSv4.1" 464 */ 465 enum { 466 FATTR4_DIR_NOTIF_DELAY = 56, 467 FATTR4_DIRENT_NOTIF_DELAY = 57, 468 FATTR4_DACL = 58, 469 FATTR4_SACL = 59, 470 FATTR4_CHANGE_POLICY = 60, 471 FATTR4_FS_STATUS = 61, 472 FATTR4_FS_LAYOUT_TYPES = 62, 473 FATTR4_LAYOUT_HINT = 63, 474 FATTR4_LAYOUT_TYPES = 64, 475 FATTR4_LAYOUT_BLKSIZE = 65, 476 FATTR4_LAYOUT_ALIGNMENT = 66, 477 FATTR4_FS_LOCATIONS_INFO = 67, 478 FATTR4_MDSTHRESHOLD = 68, 479 FATTR4_RETENTION_GET = 69, 480 FATTR4_RETENTION_SET = 70, 481 FATTR4_RETENTEVT_GET = 71, 482 FATTR4_RETENTEVT_SET = 72, 483 FATTR4_RETENTION_HOLD = 73, 484 FATTR4_MODE_SET_MASKED = 74, 485 FATTR4_SUPPATTR_EXCLCREAT = 75, 486 FATTR4_FS_CHARSET_CAP = 76, 487 }; 488 489 /* 490 * Symbol names and values are from RFC 7863 Section 2. 491 * "XDR Description of NFSv4.2" 492 */ 493 enum { 494 FATTR4_CLONE_BLKSIZE = 77, 495 FATTR4_SPACE_FREED = 78, 496 FATTR4_CHANGE_ATTR_TYPE = 79, 497 FATTR4_SEC_LABEL = 80, 498 }; 499 500 /* 501 * Symbol names and values are from RFC 8275 Section 5. 502 * "The mode_umask Attribute" 503 */ 504 enum { 505 FATTR4_MODE_UMASK = 81, 506 }; 507 508 /* 509 * Symbol names and values are from RFC 8276 Section 8.6. 510 * "Numeric Values Assigned to Protocol Extensions" 511 */ 512 enum { 513 FATTR4_XATTR_SUPPORT = 82, 514 }; 515 516 /* 517 * The following internal definitions enable processing the above 518 * attribute bits within 32-bit word boundaries. 519 */ 520 521 /* Mandatory Attributes */ 522 #define FATTR4_WORD0_SUPPORTED_ATTRS BIT(FATTR4_SUPPORTED_ATTRS) 523 #define FATTR4_WORD0_TYPE BIT(FATTR4_TYPE) 524 #define FATTR4_WORD0_FH_EXPIRE_TYPE BIT(FATTR4_FH_EXPIRE_TYPE) 525 #define FATTR4_WORD0_CHANGE BIT(FATTR4_CHANGE) 526 #define FATTR4_WORD0_SIZE BIT(FATTR4_SIZE) 527 #define FATTR4_WORD0_LINK_SUPPORT BIT(FATTR4_LINK_SUPPORT) 528 #define FATTR4_WORD0_SYMLINK_SUPPORT BIT(FATTR4_SYMLINK_SUPPORT) 529 #define FATTR4_WORD0_NAMED_ATTR BIT(FATTR4_NAMED_ATTR) 530 #define FATTR4_WORD0_FSID BIT(FATTR4_FSID) 531 #define FATTR4_WORD0_UNIQUE_HANDLES BIT(FATTR4_UNIQUE_HANDLES) 532 #define FATTR4_WORD0_LEASE_TIME BIT(FATTR4_LEASE_TIME) 533 #define FATTR4_WORD0_RDATTR_ERROR BIT(FATTR4_RDATTR_ERROR) 534 /* Mandatory in NFSv4.1 */ 535 #define FATTR4_WORD2_SUPPATTR_EXCLCREAT BIT(FATTR4_SUPPATTR_EXCLCREAT - 64) 536 537 /* Recommended Attributes */ 538 #define FATTR4_WORD0_ACL BIT(FATTR4_ACL) 539 #define FATTR4_WORD0_ACLSUPPORT BIT(FATTR4_ACLSUPPORT) 540 #define FATTR4_WORD0_ARCHIVE BIT(FATTR4_ARCHIVE) 541 #define FATTR4_WORD0_CANSETTIME BIT(FATTR4_CANSETTIME) 542 #define FATTR4_WORD0_CASE_INSENSITIVE BIT(FATTR4_CASE_INSENSITIVE) 543 #define FATTR4_WORD0_CASE_PRESERVING BIT(FATTR4_CASE_PRESERVING) 544 #define FATTR4_WORD0_CHOWN_RESTRICTED BIT(FATTR4_CHOWN_RESTRICTED) 545 #define FATTR4_WORD0_FILEHANDLE BIT(FATTR4_FILEHANDLE) 546 #define FATTR4_WORD0_FILEID BIT(FATTR4_FILEID) 547 #define FATTR4_WORD0_FILES_AVAIL BIT(FATTR4_FILES_AVAIL) 548 #define FATTR4_WORD0_FILES_FREE BIT(FATTR4_FILES_FREE) 549 #define FATTR4_WORD0_FILES_TOTAL BIT(FATTR4_FILES_TOTAL) 550 #define FATTR4_WORD0_FS_LOCATIONS BIT(FATTR4_FS_LOCATIONS) 551 #define FATTR4_WORD0_HIDDEN BIT(FATTR4_HIDDEN) 552 #define FATTR4_WORD0_HOMOGENEOUS BIT(FATTR4_HOMOGENEOUS) 553 #define FATTR4_WORD0_MAXFILESIZE BIT(FATTR4_MAXFILESIZE) 554 #define FATTR4_WORD0_MAXLINK BIT(FATTR4_MAXLINK) 555 #define FATTR4_WORD0_MAXNAME BIT(FATTR4_MAXNAME) 556 #define FATTR4_WORD0_MAXREAD BIT(FATTR4_MAXREAD) 557 #define FATTR4_WORD0_MAXWRITE BIT(FATTR4_MAXWRITE) 558 559 #define FATTR4_WORD1_MIMETYPE BIT(FATTR4_MIMETYPE - 32) 560 #define FATTR4_WORD1_MODE BIT(FATTR4_MODE - 32) 561 #define FATTR4_WORD1_NO_TRUNC BIT(FATTR4_NO_TRUNC - 32) 562 #define FATTR4_WORD1_NUMLINKS BIT(FATTR4_NUMLINKS - 32) 563 #define FATTR4_WORD1_OWNER BIT(FATTR4_OWNER - 32) 564 #define FATTR4_WORD1_OWNER_GROUP BIT(FATTR4_OWNER_GROUP - 32) 565 #define FATTR4_WORD1_QUOTA_HARD BIT(FATTR4_QUOTA_AVAIL_HARD - 32) 566 #define FATTR4_WORD1_QUOTA_SOFT BIT(FATTR4_QUOTA_AVAIL_SOFT - 32) 567 #define FATTR4_WORD1_QUOTA_USED BIT(FATTR4_QUOTA_USED - 32) 568 #define FATTR4_WORD1_RAWDEV BIT(FATTR4_RAWDEV - 32) 569 #define FATTR4_WORD1_SPACE_AVAIL BIT(FATTR4_SPACE_AVAIL - 32) 570 #define FATTR4_WORD1_SPACE_FREE BIT(FATTR4_SPACE_FREE - 32) 571 #define FATTR4_WORD1_SPACE_TOTAL BIT(FATTR4_SPACE_TOTAL - 32) 572 #define FATTR4_WORD1_SPACE_USED BIT(FATTR4_SPACE_USED - 32) 573 #define FATTR4_WORD1_SYSTEM BIT(FATTR4_SYSTEM - 32) 574 #define FATTR4_WORD1_TIME_ACCESS BIT(FATTR4_TIME_ACCESS - 32) 575 #define FATTR4_WORD1_TIME_ACCESS_SET BIT(FATTR4_TIME_ACCESS_SET - 32) 576 #define FATTR4_WORD1_TIME_BACKUP BIT(FATTR4_TIME_BACKUP - 32) 577 #define FATTR4_WORD1_TIME_CREATE BIT(FATTR4_TIME_CREATE - 32) 578 #define FATTR4_WORD1_TIME_DELTA BIT(FATTR4_TIME_DELTA - 32) 579 #define FATTR4_WORD1_TIME_METADATA BIT(FATTR4_TIME_METADATA - 32) 580 #define FATTR4_WORD1_TIME_MODIFY BIT(FATTR4_TIME_MODIFY - 32) 581 #define FATTR4_WORD1_TIME_MODIFY_SET BIT(FATTR4_TIME_MODIFY_SET - 32) 582 #define FATTR4_WORD1_MOUNTED_ON_FILEID BIT(FATTR4_MOUNTED_ON_FILEID - 32) 583 #define FATTR4_WORD1_DACL BIT(FATTR4_DACL - 32) 584 #define FATTR4_WORD1_SACL BIT(FATTR4_SACL - 32) 585 #define FATTR4_WORD1_FS_LAYOUT_TYPES BIT(FATTR4_FS_LAYOUT_TYPES - 32) 586 587 #define FATTR4_WORD2_LAYOUT_TYPES BIT(FATTR4_LAYOUT_TYPES - 64) 588 #define FATTR4_WORD2_LAYOUT_BLKSIZE BIT(FATTR4_LAYOUT_BLKSIZE - 64) 589 #define FATTR4_WORD2_MDSTHRESHOLD BIT(FATTR4_MDSTHRESHOLD - 64) 590 #define FATTR4_WORD2_CLONE_BLKSIZE BIT(FATTR4_CLONE_BLKSIZE - 64) 591 #define FATTR4_WORD2_CHANGE_ATTR_TYPE BIT(FATTR4_CHANGE_ATTR_TYPE - 64) 592 #define FATTR4_WORD2_SECURITY_LABEL BIT(FATTR4_SEC_LABEL - 64) 593 #define FATTR4_WORD2_MODE_UMASK BIT(FATTR4_MODE_UMASK - 64) 594 #define FATTR4_WORD2_XATTR_SUPPORT BIT(FATTR4_XATTR_SUPPORT - 64) 595 #define FATTR4_WORD2_TIME_DELEG_ACCESS BIT(FATTR4_TIME_DELEG_ACCESS - 64) 596 #define FATTR4_WORD2_TIME_DELEG_MODIFY BIT(FATTR4_TIME_DELEG_MODIFY - 64) 597 #define FATTR4_WORD2_OPEN_ARGUMENTS BIT(FATTR4_OPEN_ARGUMENTS - 64) 598 599 /* MDS threshold bitmap bits */ 600 #define THRESHOLD_RD (1UL << 0) 601 #define THRESHOLD_WR (1UL << 1) 602 #define THRESHOLD_RD_IO (1UL << 2) 603 #define THRESHOLD_WR_IO (1UL << 3) 604 605 #define NFSPROC4_NULL 0 606 #define NFSPROC4_COMPOUND 1 607 #define NFS4_VERSION 4 608 #define NFS4_MINOR_VERSION 0 609 610 #define NFS4_DEBUG 1 611 612 /* 613 * Index of predefined Linux client operations 614 * 615 * To ensure that /proc/net/rpc/nfs remains correctly ordered, please 616 * append only to this enum when adding new client operations. 617 */ 618 619 enum { 620 NFSPROC4_CLNT_NULL = 0, /* Unused */ 621 NFSPROC4_CLNT_READ, 622 NFSPROC4_CLNT_WRITE, 623 NFSPROC4_CLNT_COMMIT, 624 NFSPROC4_CLNT_OPEN, 625 NFSPROC4_CLNT_OPEN_CONFIRM, 626 NFSPROC4_CLNT_OPEN_NOATTR, 627 NFSPROC4_CLNT_OPEN_DOWNGRADE, 628 NFSPROC4_CLNT_CLOSE, 629 NFSPROC4_CLNT_SETATTR, 630 NFSPROC4_CLNT_FSINFO, 631 NFSPROC4_CLNT_RENEW, 632 NFSPROC4_CLNT_SETCLIENTID, 633 NFSPROC4_CLNT_SETCLIENTID_CONFIRM, 634 NFSPROC4_CLNT_LOCK, 635 NFSPROC4_CLNT_LOCKT, 636 NFSPROC4_CLNT_LOCKU, 637 NFSPROC4_CLNT_ACCESS, 638 NFSPROC4_CLNT_GETATTR, 639 NFSPROC4_CLNT_LOOKUP, 640 NFSPROC4_CLNT_LOOKUP_ROOT, 641 NFSPROC4_CLNT_REMOVE, 642 NFSPROC4_CLNT_RENAME, 643 NFSPROC4_CLNT_LINK, 644 NFSPROC4_CLNT_SYMLINK, 645 NFSPROC4_CLNT_CREATE, 646 NFSPROC4_CLNT_PATHCONF, 647 NFSPROC4_CLNT_STATFS, 648 NFSPROC4_CLNT_READLINK, 649 NFSPROC4_CLNT_READDIR, 650 NFSPROC4_CLNT_SERVER_CAPS, 651 NFSPROC4_CLNT_DELEGRETURN, 652 NFSPROC4_CLNT_GETACL, 653 NFSPROC4_CLNT_SETACL, 654 NFSPROC4_CLNT_FS_LOCATIONS, 655 NFSPROC4_CLNT_RELEASE_LOCKOWNER, 656 NFSPROC4_CLNT_SECINFO, 657 NFSPROC4_CLNT_FSID_PRESENT, 658 659 NFSPROC4_CLNT_EXCHANGE_ID, 660 NFSPROC4_CLNT_CREATE_SESSION, 661 NFSPROC4_CLNT_DESTROY_SESSION, 662 NFSPROC4_CLNT_SEQUENCE, 663 NFSPROC4_CLNT_GET_LEASE_TIME, 664 NFSPROC4_CLNT_RECLAIM_COMPLETE, 665 NFSPROC4_CLNT_LAYOUTGET, 666 NFSPROC4_CLNT_GETDEVICEINFO, 667 NFSPROC4_CLNT_LAYOUTCOMMIT, 668 NFSPROC4_CLNT_LAYOUTRETURN, 669 NFSPROC4_CLNT_SECINFO_NO_NAME, 670 NFSPROC4_CLNT_TEST_STATEID, 671 NFSPROC4_CLNT_FREE_STATEID, 672 NFSPROC4_CLNT_GETDEVICELIST, 673 NFSPROC4_CLNT_BIND_CONN_TO_SESSION, 674 NFSPROC4_CLNT_DESTROY_CLIENTID, 675 676 NFSPROC4_CLNT_SEEK, 677 NFSPROC4_CLNT_ALLOCATE, 678 NFSPROC4_CLNT_DEALLOCATE, 679 NFSPROC4_CLNT_LAYOUTSTATS, 680 NFSPROC4_CLNT_CLONE, 681 NFSPROC4_CLNT_COPY, 682 NFSPROC4_CLNT_OFFLOAD_CANCEL, 683 684 NFSPROC4_CLNT_LOOKUPP, 685 NFSPROC4_CLNT_LAYOUTERROR, 686 NFSPROC4_CLNT_COPY_NOTIFY, 687 688 NFSPROC4_CLNT_GETXATTR, 689 NFSPROC4_CLNT_SETXATTR, 690 NFSPROC4_CLNT_LISTXATTRS, 691 NFSPROC4_CLNT_REMOVEXATTR, 692 NFSPROC4_CLNT_READ_PLUS, 693 }; 694 695 /* nfs41 types */ 696 struct nfs4_sessionid { 697 unsigned char data[NFS4_MAX_SESSIONID_LEN]; 698 }; 699 700 /* Create Session Flags */ 701 #define SESSION4_PERSIST 0x001 702 #define SESSION4_BACK_CHAN 0x002 703 #define SESSION4_RDMA 0x004 704 705 #define SESSION4_FLAG_MASK_A 0x007 706 707 enum state_protect_how4 { 708 SP4_NONE = 0, 709 SP4_MACH_CRED = 1, 710 SP4_SSV = 2 711 }; 712 713 /* GET_DIR_DELEGATION non-fatal status codes */ 714 enum gddrnf4_status { 715 GDD4_OK = 0, 716 GDD4_UNAVAIL = 1 717 }; 718 719 enum pnfs_layouttype { 720 LAYOUT_NFSV4_1_FILES = 1, 721 LAYOUT_OSD2_OBJECTS = 2, 722 LAYOUT_BLOCK_VOLUME = 3, 723 LAYOUT_FLEX_FILES = 4, 724 LAYOUT_SCSI = 5, 725 LAYOUT_TYPE_MAX 726 }; 727 728 /* used for both layout return and recall */ 729 enum pnfs_layoutreturn_type { 730 RETURN_FILE = 1, 731 RETURN_FSID = 2, 732 RETURN_ALL = 3 733 }; 734 735 enum pnfs_iomode { 736 IOMODE_READ = 1, 737 IOMODE_RW = 2, 738 IOMODE_ANY = 3, 739 }; 740 741 enum pnfs_notify_deviceid_type4 { 742 NOTIFY_DEVICEID4_CHANGE = 1 << 1, 743 NOTIFY_DEVICEID4_DELETE = 1 << 2, 744 }; 745 746 enum pnfs_block_volume_type { 747 PNFS_BLOCK_VOLUME_SIMPLE = 0, 748 PNFS_BLOCK_VOLUME_SLICE = 1, 749 PNFS_BLOCK_VOLUME_CONCAT = 2, 750 PNFS_BLOCK_VOLUME_STRIPE = 3, 751 PNFS_BLOCK_VOLUME_SCSI = 4, 752 }; 753 754 enum pnfs_block_extent_state { 755 PNFS_BLOCK_READWRITE_DATA = 0, 756 PNFS_BLOCK_READ_DATA = 1, 757 PNFS_BLOCK_INVALID_DATA = 2, 758 PNFS_BLOCK_NONE_DATA = 3, 759 }; 760 761 /* on the wire size of a block layout extent */ 762 #define PNFS_BLOCK_EXTENT_SIZE \ 763 (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE) 764 765 /* on the wire size of a scsi commit range */ 766 #define PNFS_SCSI_RANGE_SIZE \ 767 (4 * sizeof(__be32)) 768 769 enum scsi_code_set { 770 PS_CODE_SET_BINARY = 1, 771 PS_CODE_SET_ASCII = 2, 772 PS_CODE_SET_UTF8 = 3 773 }; 774 775 enum scsi_designator_type { 776 PS_DESIGNATOR_T10 = 1, 777 PS_DESIGNATOR_EUI64 = 2, 778 PS_DESIGNATOR_NAA = 3, 779 PS_DESIGNATOR_NAME = 8 780 }; 781 782 #define NFL4_UFLG_MASK 0x0000003F 783 #define NFL4_UFLG_DENSE 0x00000001 784 #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002 785 #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0 786 787 /* Encoded in the loh_body field of type layouthint4 */ 788 enum filelayout_hint_care4 { 789 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE, 790 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS, 791 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040, 792 NFLH4_CARE_STRIPE_COUNT = 0x00000080 793 }; 794 795 #define NFS4_DEVICEID4_SIZE 16 796 797 struct nfs4_deviceid { 798 char data[NFS4_DEVICEID4_SIZE]; 799 }; 800 801 enum data_content4 { 802 NFS4_CONTENT_DATA = 0, 803 NFS4_CONTENT_HOLE = 1, 804 }; 805 806 enum pnfs_update_layout_reason { 807 PNFS_UPDATE_LAYOUT_UNKNOWN = 0, 808 PNFS_UPDATE_LAYOUT_NO_PNFS, 809 PNFS_UPDATE_LAYOUT_RD_ZEROLEN, 810 PNFS_UPDATE_LAYOUT_MDSTHRESH, 811 PNFS_UPDATE_LAYOUT_NOMEM, 812 PNFS_UPDATE_LAYOUT_BULK_RECALL, 813 PNFS_UPDATE_LAYOUT_IO_TEST_FAIL, 814 PNFS_UPDATE_LAYOUT_FOUND_CACHED, 815 PNFS_UPDATE_LAYOUT_RETURN, 816 PNFS_UPDATE_LAYOUT_RETRY, 817 PNFS_UPDATE_LAYOUT_BLOCKED, 818 PNFS_UPDATE_LAYOUT_INVALID_OPEN, 819 PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET, 820 PNFS_UPDATE_LAYOUT_EXIT, 821 }; 822 823 #define NFS4_OP_MAP_NUM_LONGS \ 824 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) 825 #define NFS4_OP_MAP_NUM_WORDS \ 826 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) 827 struct nfs4_op_map { 828 union { 829 unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; 830 u32 words[NFS4_OP_MAP_NUM_WORDS]; 831 } u; 832 }; 833 834 struct nfs42_netaddr { 835 char netid[RPCBIND_MAXNETIDLEN]; 836 char addr[RPCBIND_MAXUADDRLEN + 1]; 837 u32 netid_len; 838 u32 addr_len; 839 }; 840 841 enum netloc_type4 { 842 NL4_NAME = 1, 843 NL4_URL = 2, 844 NL4_NETADDR = 3, 845 }; 846 847 struct nl4_server { 848 enum netloc_type4 nl4_type; 849 union { 850 struct { /* NL4_NAME, NL4_URL */ 851 int nl4_str_sz; 852 char nl4_str[NFS4_OPAQUE_LIMIT + 1]; 853 }; 854 struct nfs42_netaddr nl4_addr; /* NL4_NETADDR */ 855 } u; 856 }; 857 858 enum nfs4_change_attr_type { 859 NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR = 0, 860 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER = 1, 861 NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS = 2, 862 NFS4_CHANGE_TYPE_IS_TIME_METADATA = 3, 863 NFS4_CHANGE_TYPE_IS_UNDEFINED = 4, 864 }; 865 866 /* 867 * Options for setxattr. These match the flags for setxattr(2). 868 */ 869 enum nfs4_setxattr_options { 870 SETXATTR4_EITHER = 0, 871 SETXATTR4_CREATE = 1, 872 SETXATTR4_REPLACE = 2, 873 }; 874 875 enum { 876 RCA4_TYPE_MASK_RDATA_DLG = 0, 877 RCA4_TYPE_MASK_WDATA_DLG = 1, 878 RCA4_TYPE_MASK_DIR_DLG = 2, 879 RCA4_TYPE_MASK_FILE_LAYOUT = 3, 880 RCA4_TYPE_MASK_BLK_LAYOUT = 4, 881 RCA4_TYPE_MASK_OBJ_LAYOUT_MIN = 8, 882 RCA4_TYPE_MASK_OBJ_LAYOUT_MAX = 9, 883 RCA4_TYPE_MASK_OTHER_LAYOUT_MIN = 12, 884 RCA4_TYPE_MASK_OTHER_LAYOUT_MAX = 15, 885 }; 886 887 enum nfs_cb_opnum4 { 888 OP_CB_GETATTR = 3, 889 OP_CB_RECALL = 4, 890 891 /* Callback operations new to NFSv4.1 */ 892 OP_CB_LAYOUTRECALL = 5, 893 OP_CB_NOTIFY = 6, 894 OP_CB_PUSH_DELEG = 7, 895 OP_CB_RECALL_ANY = 8, 896 OP_CB_RECALLABLE_OBJ_AVAIL = 9, 897 OP_CB_RECALL_SLOT = 10, 898 OP_CB_SEQUENCE = 11, 899 OP_CB_WANTS_CANCELLED = 12, 900 OP_CB_NOTIFY_LOCK = 13, 901 OP_CB_NOTIFY_DEVICEID = 14, 902 903 /* Callback operations new to NFSv4.2 */ 904 OP_CB_OFFLOAD = 15, 905 906 OP_CB_ILLEGAL = 10044, 907 }; 908 909 #endif 910