include/uapi/linux/nfs4.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   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
  14 #ifndef _UAPI_LINUX_NFS4_H
  15 #define _UAPI_LINUX_NFS4_H
  16
  17 #include <linux/types.h>
  18
  19 #define NFS4_BITMAP_SIZE        3
  20 #define NFS4_VERIFIER_SIZE      8
  21 #define NFS4_STATEID_SEQID_SIZE 4
  22 #define NFS4_STATEID_OTHER_SIZE 12
  23 #define NFS4_STATEID_SIZE       (NFS4_STATEID_SEQID_SIZE + NFS4_STATEID_OTHER_SIZE)
  24 #define NFS4_FHSIZE             128
  25 #define NFS4_MAXPATHLEN         PATH_MAX
  26 #define NFS4_MAXNAMLEN          NAME_MAX
  27 #define NFS4_OPAQUE_LIMIT       1024
  28 #define NFS4_MAX_SESSIONID_LEN  16
  29
  30 #define NFS4_ACCESS_READ        0x0001
  31 #define NFS4_ACCESS_LOOKUP      0x0002
  32 #define NFS4_ACCESS_MODIFY      0x0004
  33 #define NFS4_ACCESS_EXTEND      0x0008
  34 #define NFS4_ACCESS_DELETE      0x0010
  35 #define NFS4_ACCESS_EXECUTE     0x0020
  36 #define NFS4_ACCESS_XAREAD      0x0040
  37 #define NFS4_ACCESS_XAWRITE     0x0080
  38 #define NFS4_ACCESS_XALIST      0x0100
  39
  40 #define NFS4_FH_PERSISTENT              0x0000
  41 #define NFS4_FH_NOEXPIRE_WITH_OPEN      0x0001
  42 #define NFS4_FH_VOLATILE_ANY            0x0002
  43 #define NFS4_FH_VOL_MIGRATION           0x0004
  44 #define NFS4_FH_VOL_RENAME              0x0008
  45
  46 #define NFS4_OPEN_RESULT_CONFIRM                0x0002
  47 #define NFS4_OPEN_RESULT_LOCKTYPE_POSIX         0x0004
  48 #define NFS4_OPEN_RESULT_PRESERVE_UNLINKED      0x0008
  49 #define NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK        0x0020
  50
  51 #define NFS4_SHARE_ACCESS_MASK  0x000F
  52 #define NFS4_SHARE_ACCESS_READ  0x0001
  53 #define NFS4_SHARE_ACCESS_WRITE 0x0002
  54 #define NFS4_SHARE_ACCESS_BOTH  0x0003
  55 #define NFS4_SHARE_DENY_READ    0x0001
  56 #define NFS4_SHARE_DENY_WRITE   0x0002
  57 #define NFS4_SHARE_DENY_BOTH    0x0003
  58
  59 /* nfs41 */
  60 #define NFS4_SHARE_WANT_MASK            0xFF00
  61 #define NFS4_SHARE_WANT_NO_PREFERENCE   0x0000
  62 #define NFS4_SHARE_WANT_READ_DELEG      0x0100
  63 #define NFS4_SHARE_WANT_WRITE_DELEG     0x0200
  64 #define NFS4_SHARE_WANT_ANY_DELEG       0x0300
  65 #define NFS4_SHARE_WANT_NO_DELEG        0x0400
  66 #define NFS4_SHARE_WANT_CANCEL          0x0500
  67
  68 #define NFS4_SHARE_WHEN_MASK            0xF0000
  69 #define NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL        0x10000
  70 #define NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED          0x20000
  71
  72 #define NFS4_CDFC4_FORE 0x1
  73 #define NFS4_CDFC4_BACK 0x2
  74 #define NFS4_CDFC4_BOTH 0x3
  75 #define NFS4_CDFC4_FORE_OR_BOTH 0x3
  76 #define NFS4_CDFC4_BACK_OR_BOTH 0x7
  77
  78 #define NFS4_CDFS4_FORE 0x1
  79 #define NFS4_CDFS4_BACK 0x2
  80 #define NFS4_CDFS4_BOTH 0x3
  81
  82 #define NFS4_SET_TO_SERVER_TIME 0
  83 #define NFS4_SET_TO_CLIENT_TIME 1
  84
  85 #define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0
  86 #define NFS4_ACE_ACCESS_DENIED_ACE_TYPE  1
  87 #define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE   2
  88 #define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE   3
  89
  90 #define ACL4_SUPPORT_ALLOW_ACL 0x01
  91 #define ACL4_SUPPORT_DENY_ACL  0x02
  92 #define ACL4_SUPPORT_AUDIT_ACL 0x04
  93 #define ACL4_SUPPORT_ALARM_ACL 0x08
  94
  95 #define NFS4_ACL_AUTO_INHERIT 0x00000001
  96 #define NFS4_ACL_PROTECTED    0x00000002
  97 #define NFS4_ACL_DEFAULTED    0x00000004
  98
  99 #define NFS4_ACE_FILE_INHERIT_ACE             0x00000001
 100 #define NFS4_ACE_DIRECTORY_INHERIT_ACE        0x00000002
 101 #define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE     0x00000004
 102 #define NFS4_ACE_INHERIT_ONLY_ACE             0x00000008
 103 #define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG   0x00000010
 104 #define NFS4_ACE_FAILED_ACCESS_ACE_FLAG       0x00000020
 105 #define NFS4_ACE_IDENTIFIER_GROUP             0x00000040
 106 #define NFS4_ACE_INHERITED_ACE                0x00000080
 107
 108 #define NFS4_ACE_READ_DATA                    0x00000001
 109 #define NFS4_ACE_LIST_DIRECTORY               0x00000001
 110 #define NFS4_ACE_WRITE_DATA                   0x00000002
 111 #define NFS4_ACE_ADD_FILE                     0x00000002
 112 #define NFS4_ACE_APPEND_DATA                  0x00000004
 113 #define NFS4_ACE_ADD_SUBDIRECTORY             0x00000004
 114 #define NFS4_ACE_READ_NAMED_ATTRS             0x00000008
 115 #define NFS4_ACE_WRITE_NAMED_ATTRS            0x00000010
 116 #define NFS4_ACE_EXECUTE                      0x00000020
 117 #define NFS4_ACE_DELETE_CHILD                 0x00000040
 118 #define NFS4_ACE_READ_ATTRIBUTES              0x00000080
 119 #define NFS4_ACE_WRITE_ATTRIBUTES             0x00000100
 120 #define NFS4_ACE_WRITE_RETENTION              0x00000200
 121 #define NFS4_ACE_WRITE_RETENTION_HOLD         0x00000400
 122 #define NFS4_ACE_DELETE                       0x00010000
 123 #define NFS4_ACE_READ_ACL                     0x00020000
 124 #define NFS4_ACE_WRITE_ACL                    0x00040000
 125 #define NFS4_ACE_WRITE_OWNER                  0x00080000
 126 #define NFS4_ACE_SYNCHRONIZE                  0x00100000
 127 #define NFS4_ACE_GENERIC_READ                 0x00120081
 128 #define NFS4_ACE_GENERIC_WRITE                0x00160106
 129 #define NFS4_ACE_GENERIC_EXECUTE              0x001200A0
 130 #define NFS4_ACE_MASK_ALL                     0x001F01FF
 131
 132 #define EXCHGID4_FLAG_SUPP_MOVED_REFER          0x00000001
 133 #define EXCHGID4_FLAG_SUPP_MOVED_MIGR           0x00000002
 134 #define EXCHGID4_FLAG_BIND_PRINC_STATEID        0x00000100
 135
 136 #define EXCHGID4_FLAG_USE_NON_PNFS              0x00010000
 137 #define EXCHGID4_FLAG_USE_PNFS_MDS              0x00020000
 138 #define EXCHGID4_FLAG_USE_PNFS_DS               0x00040000
 139 #define EXCHGID4_FLAG_MASK_PNFS                 0x00070000
 140
 141 #define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A       0x40000000
 142 #define EXCHGID4_FLAG_CONFIRMED_R               0x80000000
 143
 144 #define EXCHGID4_FLAG_SUPP_FENCE_OPS            0x00000004
 145 /*
 146  * Since the validity of these bits depends on whether
 147  * they're set in the argument or response, have separate
 148  * invalid flag masks for arg (_A) and resp (_R).
 149  */
 150 #define EXCHGID4_FLAG_MASK_A                    0x40070103
 151 #define EXCHGID4_FLAG_MASK_R                    0x80070103
 152 #define EXCHGID4_2_FLAG_MASK_R                  0x80070107
 153
 154 #define SEQ4_STATUS_CB_PATH_DOWN                0x00000001
 155 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING    0x00000002
 156 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED     0x00000004
 157 #define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED   0x00000008
 158 #define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED  0x00000010
 159 #define SEQ4_STATUS_ADMIN_STATE_REVOKED         0x00000020
 160 #define SEQ4_STATUS_RECALLABLE_STATE_REVOKED    0x00000040
 161 #define SEQ4_STATUS_LEASE_MOVED                 0x00000080
 162 #define SEQ4_STATUS_RESTART_RECLAIM_NEEDED      0x00000100
 163 #define SEQ4_STATUS_CB_PATH_DOWN_SESSION        0x00000200
 164 #define SEQ4_STATUS_BACKCHANNEL_FAULT           0x00000400
 165
 166 #define NFS4_SECINFO_STYLE4_CURRENT_FH  0
 167 #define NFS4_SECINFO_STYLE4_PARENT      1
 168
 169 #define NFS4_MAX_UINT64 (~(__u64)0)
 170
 171 /* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.
 172  * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly.
 173  */
 174 #define NFS4_MAX_OPS   8
 175
 176 /* Our NFS4 client back channel server only wants the cb_sequene and the
 177  * actual operation per compound
 178  */
 179 #define NFS4_MAX_BACK_CHANNEL_OPS 2
 180
 181 #endif /* _UAPI_LINUX_NFS4_H */