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 <kmsmith@umich.edu> 10 * Andy Adamson <andros@umich.edu> 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 19enum 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 26struct 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 37struct nfs4_acl { 38 uint32_t naces; 39 struct nfs4_ace aces[0]; 40}; 41 42#define NFS4_MAXLABELLEN 2048 43 44struct nfs4_label { 45 uint32_t lfs; 46 uint32_t pi; 47 u32 len; 48 char *label; 49}; 50 51typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier; 52 53struct nfs_stateid4 { 54 __be32 seqid; 55 char other[NFS4_STATEID_OTHER_SIZE]; 56} __attribute__ ((packed)); 57 58typedef struct nfs_stateid4 nfs4_stateid; 59 60enum nfs_opnum4 { 61 OP_ACCESS = 3, 62 OP_CLOSE = 4, 63 OP_COMMIT = 5, 64 OP_CREATE = 6, 65 OP_DELEGPURGE = 7, 66 OP_DELEGRETURN = 8, 67 OP_GETATTR = 9, 68 OP_GETFH = 10, 69 OP_LINK = 11, 70 OP_LOCK = 12, 71 OP_LOCKT = 13, 72 OP_LOCKU = 14, 73 OP_LOOKUP = 15, 74 OP_LOOKUPP = 16, 75 OP_NVERIFY = 17, 76 OP_OPEN = 18, 77 OP_OPENATTR = 19, 78 OP_OPEN_CONFIRM = 20, 79 OP_OPEN_DOWNGRADE = 21, 80 OP_PUTFH = 22, 81 OP_PUTPUBFH = 23, 82 OP_PUTROOTFH = 24, 83 OP_READ = 25, 84 OP_READDIR = 26, 85 OP_READLINK = 27, 86 OP_REMOVE = 28, 87 OP_RENAME = 29, 88 OP_RENEW = 30, 89 OP_RESTOREFH = 31, 90 OP_SAVEFH = 32, 91 OP_SECINFO = 33, 92 OP_SETATTR = 34, 93 OP_SETCLIENTID = 35, 94 OP_SETCLIENTID_CONFIRM = 36, 95 OP_VERIFY = 37, 96 OP_WRITE = 38, 97 OP_RELEASE_LOCKOWNER = 39, 98 99 /* nfs41 */ 100 OP_BACKCHANNEL_CTL = 40, 101 OP_BIND_CONN_TO_SESSION = 41, 102 OP_EXCHANGE_ID = 42, 103 OP_CREATE_SESSION = 43, 104 OP_DESTROY_SESSION = 44, 105 OP_FREE_STATEID = 45, 106 OP_GET_DIR_DELEGATION = 46, 107 OP_GETDEVICEINFO = 47, 108 OP_GETDEVICELIST = 48, 109 OP_LAYOUTCOMMIT = 49, 110 OP_LAYOUTGET = 50, 111 OP_LAYOUTRETURN = 51, 112 OP_SECINFO_NO_NAME = 52, 113 OP_SEQUENCE = 53, 114 OP_SET_SSV = 54, 115 OP_TEST_STATEID = 55, 116 OP_WANT_DELEGATION = 56, 117 OP_DESTROY_CLIENTID = 57, 118 OP_RECLAIM_COMPLETE = 58, 119 120 /* nfs42 */ 121 OP_ALLOCATE = 59, 122 OP_COPY = 60, 123 OP_COPY_NOTIFY = 61, 124 OP_DEALLOCATE = 62, 125 OP_IO_ADVISE = 63, 126 OP_LAYOUTERROR = 64, 127 OP_LAYOUTSTATS = 65, 128 OP_OFFLOAD_CANCEL = 66, 129 OP_OFFLOAD_STATUS = 67, 130 OP_READ_PLUS = 68, 131 OP_SEEK = 69, 132 OP_WRITE_SAME = 70, 133 134 OP_ILLEGAL = 10044, 135}; 136 137/*Defining first and last NFS4 operations implemented. 138Needs to be updated if more operations are defined in future.*/ 139 140#define FIRST_NFS4_OP OP_ACCESS 141#define LAST_NFS4_OP OP_WRITE_SAME 142#define LAST_NFS40_OP OP_RELEASE_LOCKOWNER 143#define LAST_NFS41_OP OP_RECLAIM_COMPLETE 144#define LAST_NFS42_OP OP_WRITE_SAME 145 146enum nfsstat4 { 147 NFS4_OK = 0, 148 NFS4ERR_PERM = 1, 149 NFS4ERR_NOENT = 2, 150 NFS4ERR_IO = 5, 151 NFS4ERR_NXIO = 6, 152 NFS4ERR_ACCESS = 13, 153 NFS4ERR_EXIST = 17, 154 NFS4ERR_XDEV = 18, 155 /* Unused/reserved 19 */ 156 NFS4ERR_NOTDIR = 20, 157 NFS4ERR_ISDIR = 21, 158 NFS4ERR_INVAL = 22, 159 NFS4ERR_FBIG = 27, 160 NFS4ERR_NOSPC = 28, 161 NFS4ERR_ROFS = 30, 162 NFS4ERR_MLINK = 31, 163 NFS4ERR_NAMETOOLONG = 63, 164 NFS4ERR_NOTEMPTY = 66, 165 NFS4ERR_DQUOT = 69, 166 NFS4ERR_STALE = 70, 167 NFS4ERR_BADHANDLE = 10001, 168 NFS4ERR_BAD_COOKIE = 10003, 169 NFS4ERR_NOTSUPP = 10004, 170 NFS4ERR_TOOSMALL = 10005, 171 NFS4ERR_SERVERFAULT = 10006, 172 NFS4ERR_BADTYPE = 10007, 173 NFS4ERR_DELAY = 10008, 174 NFS4ERR_SAME = 10009, 175 NFS4ERR_DENIED = 10010, 176 NFS4ERR_EXPIRED = 10011, 177 NFS4ERR_LOCKED = 10012, 178 NFS4ERR_GRACE = 10013, 179 NFS4ERR_FHEXPIRED = 10014, 180 NFS4ERR_SHARE_DENIED = 10015, 181 NFS4ERR_WRONGSEC = 10016, 182 NFS4ERR_CLID_INUSE = 10017, 183 NFS4ERR_RESOURCE = 10018, 184 NFS4ERR_MOVED = 10019, 185 NFS4ERR_NOFILEHANDLE = 10020, 186 NFS4ERR_MINOR_VERS_MISMATCH = 10021, 187 NFS4ERR_STALE_CLIENTID = 10022, 188 NFS4ERR_STALE_STATEID = 10023, 189 NFS4ERR_OLD_STATEID = 10024, 190 NFS4ERR_BAD_STATEID = 10025, 191 NFS4ERR_BAD_SEQID = 10026, 192 NFS4ERR_NOT_SAME = 10027, 193 NFS4ERR_LOCK_RANGE = 10028, 194 NFS4ERR_SYMLINK = 10029, 195 NFS4ERR_RESTOREFH = 10030, 196 NFS4ERR_LEASE_MOVED = 10031, 197 NFS4ERR_ATTRNOTSUPP = 10032, 198 NFS4ERR_NO_GRACE = 10033, 199 NFS4ERR_RECLAIM_BAD = 10034, 200 NFS4ERR_RECLAIM_CONFLICT = 10035, 201 NFS4ERR_BADXDR = 10036, 202 NFS4ERR_LOCKS_HELD = 10037, 203 NFS4ERR_OPENMODE = 10038, 204 NFS4ERR_BADOWNER = 10039, 205 NFS4ERR_BADCHAR = 10040, 206 NFS4ERR_BADNAME = 10041, 207 NFS4ERR_BAD_RANGE = 10042, 208 NFS4ERR_LOCK_NOTSUPP = 10043, 209 NFS4ERR_OP_ILLEGAL = 10044, 210 NFS4ERR_DEADLOCK = 10045, 211 NFS4ERR_FILE_OPEN = 10046, 212 NFS4ERR_ADMIN_REVOKED = 10047, 213 NFS4ERR_CB_PATH_DOWN = 10048, 214 215 /* nfs41 */ 216 NFS4ERR_BADIOMODE = 10049, 217 NFS4ERR_BADLAYOUT = 10050, 218 NFS4ERR_BAD_SESSION_DIGEST = 10051, 219 NFS4ERR_BADSESSION = 10052, 220 NFS4ERR_BADSLOT = 10053, 221 NFS4ERR_COMPLETE_ALREADY = 10054, 222 NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055, 223 NFS4ERR_DELEG_ALREADY_WANTED = 10056, 224 NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */ 225 NFS4ERR_LAYOUTTRYLATER = 10058, 226 NFS4ERR_LAYOUTUNAVAILABLE = 10059, 227 NFS4ERR_NOMATCHING_LAYOUT = 10060, 228 NFS4ERR_RECALLCONFLICT = 10061, 229 NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062, 230 NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */ 231 NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */ 232 NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */ 233 NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */ 234 NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */ 235 NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */ 236 NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */ 237 NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */ 238 NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */ 239 NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */ 240 /* Error 10073 is unused. */ 241 NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */ 242 NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */ 243 NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */ 244 NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */ 245 NFS4ERR_DEADSESSION = 10078, /* persistent session dead */ 246 NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */ 247 NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */ 248 NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */ 249 NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */ 250 NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */ 251 NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */ 252 NFS4ERR_REJECT_DELEG = 10085, /* on callback */ 253 NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */ 254 NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */ 255 256 /* nfs42 */ 257 NFS4ERR_PARTNER_NOTSUPP = 10088, 258 NFS4ERR_PARTNER_NO_AUTH = 10089, 259 NFS4ERR_UNION_NOTSUPP = 10090, 260 NFS4ERR_OFFLOAD_DENIED = 10091, 261 NFS4ERR_WRONG_LFS = 10092, 262 NFS4ERR_BADLABEL = 10093, 263 NFS4ERR_OFFLOAD_NO_REQS = 10094, 264}; 265 266static inline bool seqid_mutating_err(u32 err) 267{ 268 /* rfc 3530 section 8.1.5: */ 269 switch (err) { 270 case NFS4ERR_STALE_CLIENTID: 271 case NFS4ERR_STALE_STATEID: 272 case NFS4ERR_BAD_STATEID: 273 case NFS4ERR_BAD_SEQID: 274 case NFS4ERR_BADXDR: 275 case NFS4ERR_RESOURCE: 276 case NFS4ERR_NOFILEHANDLE: 277 return false; 278 }; 279 return true; 280} 281 282/* 283 * Note: NF4BAD is not actually part of the protocol; it is just used 284 * internally by nfsd. 285 */ 286enum nfs_ftype4 { 287 NF4BAD = 0, 288 NF4REG = 1, /* Regular File */ 289 NF4DIR = 2, /* Directory */ 290 NF4BLK = 3, /* Special File - block device */ 291 NF4CHR = 4, /* Special File - character device */ 292 NF4LNK = 5, /* Symbolic Link */ 293 NF4SOCK = 6, /* Special File - socket */ 294 NF4FIFO = 7, /* Special File - fifo */ 295 NF4ATTRDIR = 8, /* Attribute Directory */ 296 NF4NAMEDATTR = 9 /* Named Attribute */ 297}; 298 299enum open_claim_type4 { 300 NFS4_OPEN_CLAIM_NULL = 0, 301 NFS4_OPEN_CLAIM_PREVIOUS = 1, 302 NFS4_OPEN_CLAIM_DELEGATE_CUR = 2, 303 NFS4_OPEN_CLAIM_DELEGATE_PREV = 3, 304 NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */ 305 NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */ 306 NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */ 307}; 308 309enum opentype4 { 310 NFS4_OPEN_NOCREATE = 0, 311 NFS4_OPEN_CREATE = 1 312}; 313 314enum createmode4 { 315 NFS4_CREATE_UNCHECKED = 0, 316 NFS4_CREATE_GUARDED = 1, 317 NFS4_CREATE_EXCLUSIVE = 2, 318 /* 319 * New to NFSv4.1. If session is persistent, 320 * GUARDED4 MUST be used. Otherwise, use 321 * EXCLUSIVE4_1 instead of EXCLUSIVE4. 322 */ 323 NFS4_CREATE_EXCLUSIVE4_1 = 3 324}; 325 326enum limit_by4 { 327 NFS4_LIMIT_SIZE = 1, 328 NFS4_LIMIT_BLOCKS = 2 329}; 330 331enum open_delegation_type4 { 332 NFS4_OPEN_DELEGATE_NONE = 0, 333 NFS4_OPEN_DELEGATE_READ = 1, 334 NFS4_OPEN_DELEGATE_WRITE = 2, 335 NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */ 336}; 337 338enum why_no_delegation4 { /* new to v4.1 */ 339 WND4_NOT_WANTED = 0, 340 WND4_CONTENTION = 1, 341 WND4_RESOURCE = 2, 342 WND4_NOT_SUPP_FTYPE = 3, 343 WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4, 344 WND4_NOT_SUPP_UPGRADE = 5, 345 WND4_NOT_SUPP_DOWNGRADE = 6, 346 WND4_CANCELLED = 7, 347 WND4_IS_DIR = 8, 348}; 349 350enum lock_type4 { 351 NFS4_UNLOCK_LT = 0, 352 NFS4_READ_LT = 1, 353 NFS4_WRITE_LT = 2, 354 NFS4_READW_LT = 3, 355 NFS4_WRITEW_LT = 4 356}; 357 358 359/* Mandatory Attributes */ 360#define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0) 361#define FATTR4_WORD0_TYPE (1UL << 1) 362#define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2) 363#define FATTR4_WORD0_CHANGE (1UL << 3) 364#define FATTR4_WORD0_SIZE (1UL << 4) 365#define FATTR4_WORD0_LINK_SUPPORT (1UL << 5) 366#define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6) 367#define FATTR4_WORD0_NAMED_ATTR (1UL << 7) 368#define FATTR4_WORD0_FSID (1UL << 8) 369#define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9) 370#define FATTR4_WORD0_LEASE_TIME (1UL << 10) 371#define FATTR4_WORD0_RDATTR_ERROR (1UL << 11) 372/* Mandatory in NFSv4.1 */ 373#define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11) 374 375/* Recommended Attributes */ 376#define FATTR4_WORD0_ACL (1UL << 12) 377#define FATTR4_WORD0_ACLSUPPORT (1UL << 13) 378#define FATTR4_WORD0_ARCHIVE (1UL << 14) 379#define FATTR4_WORD0_CANSETTIME (1UL << 15) 380#define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16) 381#define FATTR4_WORD0_CASE_PRESERVING (1UL << 17) 382#define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18) 383#define FATTR4_WORD0_FILEHANDLE (1UL << 19) 384#define FATTR4_WORD0_FILEID (1UL << 20) 385#define FATTR4_WORD0_FILES_AVAIL (1UL << 21) 386#define FATTR4_WORD0_FILES_FREE (1UL << 22) 387#define FATTR4_WORD0_FILES_TOTAL (1UL << 23) 388#define FATTR4_WORD0_FS_LOCATIONS (1UL << 24) 389#define FATTR4_WORD0_HIDDEN (1UL << 25) 390#define FATTR4_WORD0_HOMOGENEOUS (1UL << 26) 391#define FATTR4_WORD0_MAXFILESIZE (1UL << 27) 392#define FATTR4_WORD0_MAXLINK (1UL << 28) 393#define FATTR4_WORD0_MAXNAME (1UL << 29) 394#define FATTR4_WORD0_MAXREAD (1UL << 30) 395#define FATTR4_WORD0_MAXWRITE (1UL << 31) 396#define FATTR4_WORD1_MIMETYPE (1UL << 0) 397#define FATTR4_WORD1_MODE (1UL << 1) 398#define FATTR4_WORD1_NO_TRUNC (1UL << 2) 399#define FATTR4_WORD1_NUMLINKS (1UL << 3) 400#define FATTR4_WORD1_OWNER (1UL << 4) 401#define FATTR4_WORD1_OWNER_GROUP (1UL << 5) 402#define FATTR4_WORD1_QUOTA_HARD (1UL << 6) 403#define FATTR4_WORD1_QUOTA_SOFT (1UL << 7) 404#define FATTR4_WORD1_QUOTA_USED (1UL << 8) 405#define FATTR4_WORD1_RAWDEV (1UL << 9) 406#define FATTR4_WORD1_SPACE_AVAIL (1UL << 10) 407#define FATTR4_WORD1_SPACE_FREE (1UL << 11) 408#define FATTR4_WORD1_SPACE_TOTAL (1UL << 12) 409#define FATTR4_WORD1_SPACE_USED (1UL << 13) 410#define FATTR4_WORD1_SYSTEM (1UL << 14) 411#define FATTR4_WORD1_TIME_ACCESS (1UL << 15) 412#define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16) 413#define FATTR4_WORD1_TIME_BACKUP (1UL << 17) 414#define FATTR4_WORD1_TIME_CREATE (1UL << 18) 415#define FATTR4_WORD1_TIME_DELTA (1UL << 19) 416#define FATTR4_WORD1_TIME_METADATA (1UL << 20) 417#define FATTR4_WORD1_TIME_MODIFY (1UL << 21) 418#define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22) 419#define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23) 420#define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30) 421#define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0) 422#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) 423#define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) 424#define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) 425 426/* MDS threshold bitmap bits */ 427#define THRESHOLD_RD (1UL << 0) 428#define THRESHOLD_WR (1UL << 1) 429#define THRESHOLD_RD_IO (1UL << 2) 430#define THRESHOLD_WR_IO (1UL << 3) 431 432#define NFSPROC4_NULL 0 433#define NFSPROC4_COMPOUND 1 434#define NFS4_VERSION 4 435#define NFS4_MINOR_VERSION 0 436 437#define NFS4_DEBUG 1 438 439/* Index of predefined Linux client operations */ 440 441enum { 442 NFSPROC4_CLNT_NULL = 0, /* Unused */ 443 NFSPROC4_CLNT_READ, 444 NFSPROC4_CLNT_WRITE, 445 NFSPROC4_CLNT_COMMIT, 446 NFSPROC4_CLNT_OPEN, 447 NFSPROC4_CLNT_OPEN_CONFIRM, 448 NFSPROC4_CLNT_OPEN_NOATTR, 449 NFSPROC4_CLNT_OPEN_DOWNGRADE, 450 NFSPROC4_CLNT_CLOSE, 451 NFSPROC4_CLNT_SETATTR, 452 NFSPROC4_CLNT_FSINFO, 453 NFSPROC4_CLNT_RENEW, 454 NFSPROC4_CLNT_SETCLIENTID, 455 NFSPROC4_CLNT_SETCLIENTID_CONFIRM, 456 NFSPROC4_CLNT_LOCK, 457 NFSPROC4_CLNT_LOCKT, 458 NFSPROC4_CLNT_LOCKU, 459 NFSPROC4_CLNT_ACCESS, 460 NFSPROC4_CLNT_GETATTR, 461 NFSPROC4_CLNT_LOOKUP, 462 NFSPROC4_CLNT_LOOKUP_ROOT, 463 NFSPROC4_CLNT_REMOVE, 464 NFSPROC4_CLNT_RENAME, 465 NFSPROC4_CLNT_LINK, 466 NFSPROC4_CLNT_SYMLINK, 467 NFSPROC4_CLNT_CREATE, 468 NFSPROC4_CLNT_PATHCONF, 469 NFSPROC4_CLNT_STATFS, 470 NFSPROC4_CLNT_READLINK, 471 NFSPROC4_CLNT_READDIR, 472 NFSPROC4_CLNT_SERVER_CAPS, 473 NFSPROC4_CLNT_DELEGRETURN, 474 NFSPROC4_CLNT_GETACL, 475 NFSPROC4_CLNT_SETACL, 476 NFSPROC4_CLNT_FS_LOCATIONS, 477 NFSPROC4_CLNT_RELEASE_LOCKOWNER, 478 NFSPROC4_CLNT_SECINFO, 479 NFSPROC4_CLNT_FSID_PRESENT, 480 481 /* nfs41 */ 482 NFSPROC4_CLNT_EXCHANGE_ID, 483 NFSPROC4_CLNT_CREATE_SESSION, 484 NFSPROC4_CLNT_DESTROY_SESSION, 485 NFSPROC4_CLNT_SEQUENCE, 486 NFSPROC4_CLNT_GET_LEASE_TIME, 487 NFSPROC4_CLNT_RECLAIM_COMPLETE, 488 NFSPROC4_CLNT_LAYOUTGET, 489 NFSPROC4_CLNT_GETDEVICEINFO, 490 NFSPROC4_CLNT_LAYOUTCOMMIT, 491 NFSPROC4_CLNT_LAYOUTRETURN, 492 NFSPROC4_CLNT_SECINFO_NO_NAME, 493 NFSPROC4_CLNT_TEST_STATEID, 494 NFSPROC4_CLNT_FREE_STATEID, 495 NFSPROC4_CLNT_GETDEVICELIST, 496 NFSPROC4_CLNT_BIND_CONN_TO_SESSION, 497 NFSPROC4_CLNT_DESTROY_CLIENTID, 498 499 /* nfs42 */ 500 NFSPROC4_CLNT_SEEK, 501 NFSPROC4_CLNT_ALLOCATE, 502 NFSPROC4_CLNT_DEALLOCATE, 503}; 504 505/* nfs41 types */ 506struct nfs4_sessionid { 507 unsigned char data[NFS4_MAX_SESSIONID_LEN]; 508}; 509 510/* Create Session Flags */ 511#define SESSION4_PERSIST 0x001 512#define SESSION4_BACK_CHAN 0x002 513#define SESSION4_RDMA 0x004 514 515#define SESSION4_FLAG_MASK_A 0x007 516 517enum state_protect_how4 { 518 SP4_NONE = 0, 519 SP4_MACH_CRED = 1, 520 SP4_SSV = 2 521}; 522 523enum pnfs_layouttype { 524 LAYOUT_NFSV4_1_FILES = 1, 525 LAYOUT_OSD2_OBJECTS = 2, 526 LAYOUT_BLOCK_VOLUME = 3, 527 LAYOUT_FLEX_FILES = 4, 528 LAYOUT_TYPE_MAX 529}; 530 531/* used for both layout return and recall */ 532enum pnfs_layoutreturn_type { 533 RETURN_FILE = 1, 534 RETURN_FSID = 2, 535 RETURN_ALL = 3 536}; 537 538enum pnfs_iomode { 539 IOMODE_READ = 1, 540 IOMODE_RW = 2, 541 IOMODE_ANY = 3, 542}; 543 544enum pnfs_notify_deviceid_type4 { 545 NOTIFY_DEVICEID4_CHANGE = 1 << 1, 546 NOTIFY_DEVICEID4_DELETE = 1 << 2, 547}; 548 549#define NFL4_UFLG_MASK 0x0000003F 550#define NFL4_UFLG_DENSE 0x00000001 551#define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002 552#define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0 553 554/* Encoded in the loh_body field of type layouthint4 */ 555enum filelayout_hint_care4 { 556 NFLH4_CARE_DENSE = NFL4_UFLG_DENSE, 557 NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS, 558 NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040, 559 NFLH4_CARE_STRIPE_COUNT = 0x00000080 560}; 561 562#define NFS4_DEVICEID4_SIZE 16 563 564struct nfs4_deviceid { 565 char data[NFS4_DEVICEID4_SIZE]; 566}; 567 568enum data_content4 { 569 NFS4_CONTENT_DATA = 0, 570 NFS4_CONTENT_HOLE = 1, 571}; 572 573#endif 574