include/linux/nfs4.h

   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
  13 #ifndef _LINUX_NFS4_H
  14 #define _LINUX_NFS4_H
  15
  16 #include <linux/types.h>
  17 #include <linux/list.h>
  18
  19 #define NFS4_VERIFIER_SIZE      8
  20 #define NFS4_FHSIZE             128
  21 #define NFS4_MAXPATHLEN         PATH_MAX
  22 #define NFS4_MAXNAMLEN          NAME_MAX
  23
  24 #define NFS4_ACCESS_READ        0x0001
  25 #define NFS4_ACCESS_LOOKUP      0x0002
  26 #define NFS4_ACCESS_MODIFY      0x0004
  27 #define NFS4_ACCESS_EXTEND      0x0008
  28 #define NFS4_ACCESS_DELETE      0x0010
  29 #define NFS4_ACCESS_EXECUTE     0x0020
  30
  31 #define NFS4_FH_PERISTENT               0x0000
  32 #define NFS4_FH_NOEXPIRE_WITH_OPEN      0x0001
  33 #define NFS4_FH_VOLATILE_ANY            0x0002
  34 #define NFS4_FH_VOL_MIGRATION           0x0004
  35 #define NFS4_FH_VOL_RENAME              0x0008
  36
  37 #define NFS4_OPEN_RESULT_CONFIRM 0x0002
  38
  39 #define NFS4_SHARE_ACCESS_READ  0x0001
  40 #define NFS4_SHARE_ACCESS_WRITE 0x0002
  41 #define NFS4_SHARE_ACCESS_BOTH  0x0003
  42 #define NFS4_SHARE_DENY_READ    0x0001
  43 #define NFS4_SHARE_DENY_WRITE   0x0002
  44 #define NFS4_SHARE_DENY_BOTH    0x0003
  45
  46 #define NFS4_SET_TO_SERVER_TIME 0
  47 #define NFS4_SET_TO_CLIENT_TIME 1
  48
  49 #define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0
  50 #define NFS4_ACE_ACCESS_DENIED_ACE_TYPE  1
  51 #define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE   2
  52 #define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE   3
  53
  54 #define ACL4_SUPPORT_ALLOW_ACL 0x01
  55 #define ACL4_SUPPORT_DENY_ACL  0x02
  56 #define ACL4_SUPPORT_AUDIT_ACL 0x04
  57 #define ACL4_SUPPORT_ALARM_ACL 0x08
  58
  59 #define NFS4_ACE_FILE_INHERIT_ACE             0x00000001
  60 #define NFS4_ACE_DIRECTORY_INHERIT_ACE        0x00000002
  61 #define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE     0x00000004
  62 #define NFS4_ACE_INHERIT_ONLY_ACE             0x00000008
  63 #define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG   0x00000010
  64 #define NFS4_ACE_FAILED_ACCESS_ACE_FLAG       0x00000020
  65 #define NFS4_ACE_IDENTIFIER_GROUP             0x00000040
  66 #define NFS4_ACE_OWNER                        0x00000080
  67 #define NFS4_ACE_GROUP                        0x00000100
  68 #define NFS4_ACE_EVERYONE                     0x00000200
  69
  70 #define NFS4_ACE_READ_DATA                    0x00000001
  71 #define NFS4_ACE_LIST_DIRECTORY               0x00000001
  72 #define NFS4_ACE_WRITE_DATA                   0x00000002
  73 #define NFS4_ACE_ADD_FILE                     0x00000002
  74 #define NFS4_ACE_APPEND_DATA                  0x00000004
  75 #define NFS4_ACE_ADD_SUBDIRECTORY             0x00000004
  76 #define NFS4_ACE_READ_NAMED_ATTRS             0x00000008
  77 #define NFS4_ACE_WRITE_NAMED_ATTRS            0x00000010
  78 #define NFS4_ACE_EXECUTE                      0x00000020
  79 #define NFS4_ACE_DELETE_CHILD                 0x00000040
  80 #define NFS4_ACE_READ_ATTRIBUTES              0x00000080
  81 #define NFS4_ACE_WRITE_ATTRIBUTES             0x00000100
  82 #define NFS4_ACE_DELETE                       0x00010000
  83 #define NFS4_ACE_READ_ACL                     0x00020000
  84 #define NFS4_ACE_WRITE_ACL                    0x00040000
  85 #define NFS4_ACE_WRITE_OWNER                  0x00080000
  86 #define NFS4_ACE_SYNCHRONIZE                  0x00100000
  87 #define NFS4_ACE_GENERIC_READ                 0x00120081
  88 #define NFS4_ACE_GENERIC_WRITE                0x00160106
  89 #define NFS4_ACE_GENERIC_EXECUTE              0x001200A0
  90 #define NFS4_ACE_MASK_ALL                     0x001F01FF
  91
  92 enum nfs4_acl_whotype {
  93         NFS4_ACL_WHO_NAMED = 0,
  94         NFS4_ACL_WHO_OWNER,
  95         NFS4_ACL_WHO_GROUP,
  96         NFS4_ACL_WHO_EVERYONE,
  97 };
  98
  99 struct nfs4_ace {
 100         uint32_t        type;
 101         uint32_t        flag;
 102         uint32_t        access_mask;
 103         int             whotype;
 104         uid_t           who;
 105         struct list_head l_ace;
 106 };
 107
 108 struct nfs4_acl {
 109         uint32_t        naces;
 110         struct list_head ace_head;
 111 };
 112
 113 typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
 114 typedef struct { char data[16]; } nfs4_stateid;
 115
 116 enum nfs_opnum4 {
 117         OP_ACCESS = 3,
 118         OP_CLOSE = 4,
 119         OP_COMMIT = 5,
 120         OP_CREATE = 6,
 121         OP_DELEGPURGE = 7,
 122         OP_DELEGRETURN = 8,
 123         OP_GETATTR = 9,
 124         OP_GETFH = 10,
 125         OP_LINK = 11,
 126         OP_LOCK = 12,
 127         OP_LOCKT = 13,
 128         OP_LOCKU = 14,
 129         OP_LOOKUP = 15,
 130         OP_LOOKUPP = 16,
 131         OP_NVERIFY = 17,
 132         OP_OPEN = 18,
 133         OP_OPENATTR = 19,
 134         OP_OPEN_CONFIRM = 20,
 135         OP_OPEN_DOWNGRADE = 21,
 136         OP_PUTFH = 22,
 137         OP_PUTPUBFH = 23,
 138         OP_PUTROOTFH = 24,
 139         OP_READ = 25,
 140         OP_READDIR = 26,
 141         OP_READLINK = 27,
 142         OP_REMOVE = 28,
 143         OP_RENAME = 29,
 144         OP_RENEW = 30,
 145         OP_RESTOREFH = 31,
 146         OP_SAVEFH = 32,
 147         OP_SECINFO = 33,
 148         OP_SETATTR = 34,
 149         OP_SETCLIENTID = 35,
 150         OP_SETCLIENTID_CONFIRM = 36,
 151         OP_VERIFY = 37,
 152         OP_WRITE = 38,
 153         OP_RELEASE_LOCKOWNER = 39,
 154         OP_ILLEGAL = 10044,
 155 };
 156
 157 enum nfsstat4 {
 158         NFS4_OK = 0,
 159         NFS4ERR_PERM = 1,
 160         NFS4ERR_NOENT = 2,
 161         NFS4ERR_IO = 5,
 162         NFS4ERR_NXIO = 6,
 163         NFS4ERR_ACCESS = 13,
 164         NFS4ERR_EXIST = 17,
 165         NFS4ERR_XDEV = 18,
 166         /* Unused/reserved 19 */
 167         NFS4ERR_NOTDIR = 20,
 168         NFS4ERR_ISDIR = 21,
 169         NFS4ERR_INVAL = 22,
 170         NFS4ERR_FBIG = 27,
 171         NFS4ERR_NOSPC = 28,
 172         NFS4ERR_ROFS = 30,
 173         NFS4ERR_MLINK = 31,
 174         NFS4ERR_NAMETOOLONG = 63,
 175         NFS4ERR_NOTEMPTY = 66,
 176         NFS4ERR_DQUOT = 69,
 177         NFS4ERR_STALE = 70,
 178         NFS4ERR_BADHANDLE = 10001,
 179         NFS4ERR_BAD_COOKIE = 10003,
 180         NFS4ERR_NOTSUPP = 10004,
 181         NFS4ERR_TOOSMALL = 10005,
 182         NFS4ERR_SERVERFAULT = 10006,
 183         NFS4ERR_BADTYPE = 10007,
 184         NFS4ERR_DELAY = 10008,
 185         NFS4ERR_SAME = 10009,
 186         NFS4ERR_DENIED = 10010,
 187         NFS4ERR_EXPIRED = 10011,
 188         NFS4ERR_LOCKED = 10012,
 189         NFS4ERR_GRACE = 10013,
 190         NFS4ERR_FHEXPIRED = 10014,
 191         NFS4ERR_SHARE_DENIED = 10015,
 192         NFS4ERR_WRONGSEC = 10016,
 193         NFS4ERR_CLID_INUSE = 10017,
 194         NFS4ERR_RESOURCE = 10018,
 195         NFS4ERR_MOVED = 10019,
 196         NFS4ERR_NOFILEHANDLE = 10020,
 197         NFS4ERR_MINOR_VERS_MISMATCH = 10021,
 198         NFS4ERR_STALE_CLIENTID = 10022,
 199         NFS4ERR_STALE_STATEID = 10023,
 200         NFS4ERR_OLD_STATEID = 10024,
 201         NFS4ERR_BAD_STATEID = 10025,
 202         NFS4ERR_BAD_SEQID = 10026,
 203         NFS4ERR_NOT_SAME = 10027,
 204         NFS4ERR_LOCK_RANGE = 10028,
 205         NFS4ERR_SYMLINK = 10029,
 206         NFS4ERR_RESTOREFH = 10030,
 207         NFS4ERR_LEASE_MOVED = 10031,
 208         NFS4ERR_ATTRNOTSUPP = 10032,
 209         NFS4ERR_NO_GRACE = 10033,
 210         NFS4ERR_RECLAIM_BAD = 10034,
 211         NFS4ERR_RECLAIM_CONFLICT = 10035,
 212         NFS4ERR_BADXDR = 10036,
 213         NFS4ERR_LOCKS_HELD = 10037,
 214         NFS4ERR_OPENMODE = 10038,
 215         NFS4ERR_BADOWNER = 10039,
 216         NFS4ERR_BADCHAR = 10040,
 217         NFS4ERR_BADNAME = 10041,
 218         NFS4ERR_BAD_RANGE = 10042,
 219         NFS4ERR_LOCK_NOTSUPP = 10043,
 220         NFS4ERR_OP_ILLEGAL = 10044,
 221         NFS4ERR_DEADLOCK = 10045,
 222         NFS4ERR_FILE_OPEN = 10046,
 223         NFS4ERR_ADMIN_REVOKED = 10047,
 224         NFS4ERR_CB_PATH_DOWN = 10048
 225 };
 226
 227 /*
 228  * Note: NF4BAD is not actually part of the protocol; it is just used
 229  * internally by nfsd.
 230  */
 231 enum nfs_ftype4 {
 232         NF4BAD          = 0,
 233         NF4REG          = 1,    /* Regular File */
 234         NF4DIR          = 2,    /* Directory */
 235         NF4BLK          = 3,    /* Special File - block device */
 236         NF4CHR          = 4,    /* Special File - character device */
 237         NF4LNK          = 5,    /* Symbolic Link */
 238         NF4SOCK         = 6,    /* Special File - socket */
 239         NF4FIFO         = 7,    /* Special File - fifo */
 240         NF4ATTRDIR      = 8,    /* Attribute Directory */
 241         NF4NAMEDATTR    = 9     /* Named Attribute */
 242 };
 243
 244 enum open_claim_type4 {
 245         NFS4_OPEN_CLAIM_NULL = 0,
 246         NFS4_OPEN_CLAIM_PREVIOUS = 1,
 247         NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
 248         NFS4_OPEN_CLAIM_DELEGATE_PREV = 3
 249 };
 250
 251 enum opentype4 {
 252         NFS4_OPEN_NOCREATE = 0,
 253         NFS4_OPEN_CREATE = 1
 254 };
 255
 256 enum createmode4 {
 257         NFS4_CREATE_UNCHECKED = 0,
 258         NFS4_CREATE_GUARDED = 1,
 259         NFS4_CREATE_EXCLUSIVE = 2
 260 };
 261
 262 enum limit_by4 {
 263         NFS4_LIMIT_SIZE = 1,
 264         NFS4_LIMIT_BLOCKS = 2
 265 };
 266
 267 enum open_delegation_type4 {
 268         NFS4_OPEN_DELEGATE_NONE = 0,
 269         NFS4_OPEN_DELEGATE_READ = 1,
 270         NFS4_OPEN_DELEGATE_WRITE = 2
 271 };
 272
 273 enum lock_type4 {
 274         NFS4_UNLOCK_LT = 0,
 275         NFS4_READ_LT = 1,
 276         NFS4_WRITE_LT = 2,
 277         NFS4_READW_LT = 3,
 278         NFS4_WRITEW_LT = 4
 279 };
 280
 281
 282 /* Mandatory Attributes */
 283 #define FATTR4_WORD0_SUPPORTED_ATTRS    (1UL << 0)
 284 #define FATTR4_WORD0_TYPE               (1UL << 1)
 285 #define FATTR4_WORD0_FH_EXPIRE_TYPE     (1UL << 2)
 286 #define FATTR4_WORD0_CHANGE             (1UL << 3)
 287 #define FATTR4_WORD0_SIZE               (1UL << 4)
 288 #define FATTR4_WORD0_LINK_SUPPORT       (1UL << 5)
 289 #define FATTR4_WORD0_SYMLINK_SUPPORT    (1UL << 6)
 290 #define FATTR4_WORD0_NAMED_ATTR         (1UL << 7)
 291 #define FATTR4_WORD0_FSID               (1UL << 8)
 292 #define FATTR4_WORD0_UNIQUE_HANDLES     (1UL << 9)
 293 #define FATTR4_WORD0_LEASE_TIME         (1UL << 10)
 294 #define FATTR4_WORD0_RDATTR_ERROR       (1UL << 11)
 295
 296 /* Recommended Attributes */
 297 #define FATTR4_WORD0_ACL                (1UL << 12)
 298 #define FATTR4_WORD0_ACLSUPPORT         (1UL << 13)
 299 #define FATTR4_WORD0_ARCHIVE            (1UL << 14)
 300 #define FATTR4_WORD0_CANSETTIME         (1UL << 15)
 301 #define FATTR4_WORD0_CASE_INSENSITIVE   (1UL << 16)
 302 #define FATTR4_WORD0_CASE_PRESERVING    (1UL << 17)
 303 #define FATTR4_WORD0_CHOWN_RESTRICTED   (1UL << 18)
 304 #define FATTR4_WORD0_FILEHANDLE         (1UL << 19)
 305 #define FATTR4_WORD0_FILEID             (1UL << 20)
 306 #define FATTR4_WORD0_FILES_AVAIL        (1UL << 21)
 307 #define FATTR4_WORD0_FILES_FREE         (1UL << 22)
 308 #define FATTR4_WORD0_FILES_TOTAL        (1UL << 23)
 309 #define FATTR4_WORD0_FS_LOCATIONS       (1UL << 24)
 310 #define FATTR4_WORD0_HIDDEN             (1UL << 25)
 311 #define FATTR4_WORD0_HOMOGENEOUS        (1UL << 26)
 312 #define FATTR4_WORD0_MAXFILESIZE        (1UL << 27)
 313 #define FATTR4_WORD0_MAXLINK            (1UL << 28)
 314 #define FATTR4_WORD0_MAXNAME            (1UL << 29)
 315 #define FATTR4_WORD0_MAXREAD            (1UL << 30)
 316 #define FATTR4_WORD0_MAXWRITE           (1UL << 31)
 317 #define FATTR4_WORD1_MIMETYPE           (1UL << 0)
 318 #define FATTR4_WORD1_MODE               (1UL << 1)
 319 #define FATTR4_WORD1_NO_TRUNC           (1UL << 2)
 320 #define FATTR4_WORD1_NUMLINKS           (1UL << 3)
 321 #define FATTR4_WORD1_OWNER              (1UL << 4)
 322 #define FATTR4_WORD1_OWNER_GROUP        (1UL << 5)
 323 #define FATTR4_WORD1_QUOTA_HARD         (1UL << 6)
 324 #define FATTR4_WORD1_QUOTA_SOFT         (1UL << 7)
 325 #define FATTR4_WORD1_QUOTA_USED         (1UL << 8)
 326 #define FATTR4_WORD1_RAWDEV             (1UL << 9)
 327 #define FATTR4_WORD1_SPACE_AVAIL        (1UL << 10)
 328 #define FATTR4_WORD1_SPACE_FREE         (1UL << 11)
 329 #define FATTR4_WORD1_SPACE_TOTAL        (1UL << 12)
 330 #define FATTR4_WORD1_SPACE_USED         (1UL << 13)
 331 #define FATTR4_WORD1_SYSTEM             (1UL << 14)
 332 #define FATTR4_WORD1_TIME_ACCESS        (1UL << 15)
 333 #define FATTR4_WORD1_TIME_ACCESS_SET    (1UL << 16)
 334 #define FATTR4_WORD1_TIME_BACKUP        (1UL << 17)
 335 #define FATTR4_WORD1_TIME_CREATE        (1UL << 18)
 336 #define FATTR4_WORD1_TIME_DELTA         (1UL << 19)
 337 #define FATTR4_WORD1_TIME_METADATA      (1UL << 20)
 338 #define FATTR4_WORD1_TIME_MODIFY        (1UL << 21)
 339 #define FATTR4_WORD1_TIME_MODIFY_SET    (1UL << 22)
 340 #define FATTR4_WORD1_MOUNTED_ON_FILEID  (1UL << 23)
 341
 342 #define NFSPROC4_NULL 0
 343 #define NFSPROC4_COMPOUND 1
 344 #define NFS4_MINOR_VERSION 0
 345 #define NFS4_DEBUG 1
 346
 347 #ifdef __KERNEL__
 348
 349 /* Index of predefined Linux client operations */
 350
 351 enum {
 352         NFSPROC4_CLNT_NULL = 0,         /* Unused */
 353         NFSPROC4_CLNT_READ,
 354         NFSPROC4_CLNT_WRITE,
 355         NFSPROC4_CLNT_COMMIT,
 356         NFSPROC4_CLNT_OPEN,
 357         NFSPROC4_CLNT_OPEN_CONFIRM,
 358         NFSPROC4_CLNT_OPEN_NOATTR,
 359         NFSPROC4_CLNT_OPEN_DOWNGRADE,
 360         NFSPROC4_CLNT_CLOSE,
 361         NFSPROC4_CLNT_SETATTR,
 362         NFSPROC4_CLNT_FSINFO,
 363         NFSPROC4_CLNT_RENEW,
 364         NFSPROC4_CLNT_SETCLIENTID,
 365         NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
 366         NFSPROC4_CLNT_LOCK,
 367         NFSPROC4_CLNT_LOCKT,
 368         NFSPROC4_CLNT_LOCKU,
 369         NFSPROC4_CLNT_ACCESS,
 370         NFSPROC4_CLNT_GETATTR,
 371         NFSPROC4_CLNT_LOOKUP,
 372         NFSPROC4_CLNT_LOOKUP_ROOT,
 373         NFSPROC4_CLNT_REMOVE,
 374         NFSPROC4_CLNT_RENAME,
 375         NFSPROC4_CLNT_LINK,
 376         NFSPROC4_CLNT_SYMLINK,
 377         NFSPROC4_CLNT_CREATE,
 378         NFSPROC4_CLNT_PATHCONF,
 379         NFSPROC4_CLNT_STATFS,
 380         NFSPROC4_CLNT_READLINK,
 381         NFSPROC4_CLNT_READDIR,
 382         NFSPROC4_CLNT_SERVER_CAPS,
 383         NFSPROC4_CLNT_DELEGRETURN,
 384 };
 385
 386 #endif
 387 #endif
 388
 389 /*
 390  * Local variables:
 391  *  c-basic-offset: 8
 392  * End:
 393  */