| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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| 2 | /* |
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| 3 | * include/linux/nfs4.h |
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| 4 | * |
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| 5 | * NFSv4 protocol definitions. |
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| 6 | * |
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| 7 | * Copyright (c) 2002 The Regents of the University of Michigan. |
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| 8 | * All rights reserved. |
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| 9 | * |
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| 10 | * Kendrick Smith <kmsmith@umich.edu> |
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| 11 | * Andy Adamson <andros@umich.edu> |
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| 12 | */ |
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| 13 | |
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| 14 | #ifndef _UAPI_LINUX_NFS4_H |
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| 15 | #define _UAPI_LINUX_NFS4_H |
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| 16 | |
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| 17 | #include <linux/types.h> |
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| 18 | |
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| 19 | #define NFS4_BITMAP_SIZE 3 |
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| 20 | #define NFS4_VERIFIER_SIZE 8 |
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| 21 | #define NFS4_STATEID_SEQID_SIZE 4 |
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| 22 | #define NFS4_STATEID_OTHER_SIZE 12 |
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| 23 | #define NFS4_STATEID_SIZE (NFS4_STATEID_SEQID_SIZE + NFS4_STATEID_OTHER_SIZE) |
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| 24 | #define NFS4_FHSIZE 128 |
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| 25 | #define NFS4_MAXPATHLEN PATH_MAX |
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| 26 | #define NFS4_MAXNAMLEN NAME_MAX |
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| 27 | #define NFS4_OPAQUE_LIMIT 1024 |
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| 28 | #define NFS4_MAX_SESSIONID_LEN 16 |
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| 29 | |
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| 30 | #define NFS4_ACCESS_READ 0x0001 |
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| 31 | #define NFS4_ACCESS_LOOKUP 0x0002 |
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| 32 | #define NFS4_ACCESS_MODIFY 0x0004 |
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| 33 | #define NFS4_ACCESS_EXTEND 0x0008 |
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| 34 | #define NFS4_ACCESS_DELETE 0x0010 |
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| 35 | #define NFS4_ACCESS_EXECUTE 0x0020 |
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| 36 | #define NFS4_ACCESS_XAREAD 0x0040 |
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| 37 | #define NFS4_ACCESS_XAWRITE 0x0080 |
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| 38 | #define NFS4_ACCESS_XALIST 0x0100 |
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| 39 | |
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| 40 | #define NFS4_FH_PERSISTENT 0x0000 |
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| 41 | #define NFS4_FH_NOEXPIRE_WITH_OPEN 0x0001 |
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| 42 | #define NFS4_FH_VOLATILE_ANY 0x0002 |
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| 43 | #define NFS4_FH_VOL_MIGRATION 0x0004 |
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| 44 | #define NFS4_FH_VOL_RENAME 0x0008 |
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| 45 | |
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| 46 | #define NFS4_OPEN_RESULT_CONFIRM 0x0002 |
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| 47 | #define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004 |
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| 48 | #define NFS4_OPEN_RESULT_PRESERVE_UNLINKED 0x0008 |
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| 49 | #define NFS4_OPEN_RESULT_NO_OPEN_STATEID 0x0010 |
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| 50 | #define NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK 0x0020 |
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| 51 | |
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| 52 | #define NFS4_SHARE_ACCESS_MASK 0x000F |
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| 53 | #define NFS4_SHARE_ACCESS_READ 0x0001 |
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| 54 | #define NFS4_SHARE_ACCESS_WRITE 0x0002 |
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| 55 | #define NFS4_SHARE_ACCESS_BOTH 0x0003 |
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| 56 | #define NFS4_SHARE_DENY_READ 0x0001 |
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| 57 | #define NFS4_SHARE_DENY_WRITE 0x0002 |
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| 58 | #define NFS4_SHARE_DENY_BOTH 0x0003 |
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| 59 | |
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| 60 | /* nfs41 */ |
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| 61 | #define NFS4_SHARE_WANT_TYPE_MASK 0xFF00 |
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| 62 | #define NFS4_SHARE_WANT_NO_PREFERENCE 0x0000 |
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| 63 | #define NFS4_SHARE_WANT_READ_DELEG 0x0100 |
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| 64 | #define NFS4_SHARE_WANT_WRITE_DELEG 0x0200 |
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| 65 | #define NFS4_SHARE_WANT_ANY_DELEG 0x0300 |
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| 66 | #define NFS4_SHARE_WANT_NO_DELEG 0x0400 |
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| 67 | #define NFS4_SHARE_WANT_CANCEL 0x0500 |
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| 68 | |
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| 69 | #define NFS4_SHARE_WHEN_MASK 0xF0000 |
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| 70 | #define NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL 0x10000 |
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| 71 | #define NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED 0x20000 |
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| 72 | |
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| 73 | #define NFS4_SHARE_WANT_MOD_MASK 0xF00000 |
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| 74 | #define NFS4_SHARE_WANT_DELEG_TIMESTAMPS 0x100000 |
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| 75 | #define NFS4_SHARE_WANT_OPEN_XOR_DELEGATION 0x200000 |
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| 76 | |
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| 77 | #define NFS4_SHARE_WANT_MASK (NFS4_SHARE_WANT_TYPE_MASK | NFS4_SHARE_WANT_MOD_MASK) |
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| 78 | |
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| 79 | #define NFS4_CDFC4_FORE 0x1 |
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| 80 | #define NFS4_CDFC4_BACK 0x2 |
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| 81 | #define NFS4_CDFC4_BOTH 0x3 |
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| 82 | #define NFS4_CDFC4_FORE_OR_BOTH 0x3 |
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| 83 | #define NFS4_CDFC4_BACK_OR_BOTH 0x7 |
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| 84 | |
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| 85 | #define NFS4_CDFS4_FORE 0x1 |
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| 86 | #define NFS4_CDFS4_BACK 0x2 |
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| 87 | #define NFS4_CDFS4_BOTH 0x3 |
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| 88 | |
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| 89 | #define NFS4_SET_TO_SERVER_TIME 0 |
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| 90 | #define NFS4_SET_TO_CLIENT_TIME 1 |
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| 91 | |
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| 92 | #define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0 |
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| 93 | #define NFS4_ACE_ACCESS_DENIED_ACE_TYPE 1 |
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| 94 | #define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE 2 |
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| 95 | #define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE 3 |
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| 96 | |
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| 97 | #define ACL4_SUPPORT_ALLOW_ACL 0x01 |
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| 98 | #define ACL4_SUPPORT_DENY_ACL 0x02 |
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| 99 | #define ACL4_SUPPORT_AUDIT_ACL 0x04 |
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| 100 | #define ACL4_SUPPORT_ALARM_ACL 0x08 |
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| 101 | |
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| 102 | #define NFS4_ACL_AUTO_INHERIT 0x00000001 |
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| 103 | #define NFS4_ACL_PROTECTED 0x00000002 |
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| 104 | #define NFS4_ACL_DEFAULTED 0x00000004 |
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| 105 | |
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| 106 | #define NFS4_ACE_FILE_INHERIT_ACE 0x00000001 |
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| 107 | #define NFS4_ACE_DIRECTORY_INHERIT_ACE 0x00000002 |
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| 108 | #define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE 0x00000004 |
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| 109 | #define NFS4_ACE_INHERIT_ONLY_ACE 0x00000008 |
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| 110 | #define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010 |
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| 111 | #define NFS4_ACE_FAILED_ACCESS_ACE_FLAG 0x00000020 |
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| 112 | #define NFS4_ACE_IDENTIFIER_GROUP 0x00000040 |
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| 113 | #define NFS4_ACE_INHERITED_ACE 0x00000080 |
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| 114 | |
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| 115 | #define NFS4_ACE_READ_DATA 0x00000001 |
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| 116 | #define NFS4_ACE_LIST_DIRECTORY 0x00000001 |
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| 117 | #define NFS4_ACE_WRITE_DATA 0x00000002 |
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| 118 | #define NFS4_ACE_ADD_FILE 0x00000002 |
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| 119 | #define NFS4_ACE_APPEND_DATA 0x00000004 |
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| 120 | #define NFS4_ACE_ADD_SUBDIRECTORY 0x00000004 |
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| 121 | #define NFS4_ACE_READ_NAMED_ATTRS 0x00000008 |
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| 122 | #define NFS4_ACE_WRITE_NAMED_ATTRS 0x00000010 |
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| 123 | #define NFS4_ACE_EXECUTE 0x00000020 |
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| 124 | #define NFS4_ACE_DELETE_CHILD 0x00000040 |
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| 125 | #define NFS4_ACE_READ_ATTRIBUTES 0x00000080 |
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| 126 | #define NFS4_ACE_WRITE_ATTRIBUTES 0x00000100 |
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| 127 | #define NFS4_ACE_WRITE_RETENTION 0x00000200 |
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| 128 | #define NFS4_ACE_WRITE_RETENTION_HOLD 0x00000400 |
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| 129 | #define NFS4_ACE_DELETE 0x00010000 |
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| 130 | #define NFS4_ACE_READ_ACL 0x00020000 |
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| 131 | #define NFS4_ACE_WRITE_ACL 0x00040000 |
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| 132 | #define NFS4_ACE_WRITE_OWNER 0x00080000 |
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| 133 | #define NFS4_ACE_SYNCHRONIZE 0x00100000 |
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| 134 | #define NFS4_ACE_GENERIC_READ 0x00120081 |
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| 135 | #define NFS4_ACE_GENERIC_WRITE 0x00160106 |
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| 136 | #define NFS4_ACE_GENERIC_EXECUTE 0x001200A0 |
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| 137 | #define NFS4_ACE_MASK_ALL 0x001F01FF |
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| 138 | |
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| 139 | #define EXCHGID4_FLAG_SUPP_MOVED_REFER 0x00000001 |
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| 140 | #define EXCHGID4_FLAG_SUPP_MOVED_MIGR 0x00000002 |
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| 141 | #define EXCHGID4_FLAG_BIND_PRINC_STATEID 0x00000100 |
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| 142 | |
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| 143 | #define EXCHGID4_FLAG_USE_NON_PNFS 0x00010000 |
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| 144 | #define EXCHGID4_FLAG_USE_PNFS_MDS 0x00020000 |
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| 145 | #define EXCHGID4_FLAG_USE_PNFS_DS 0x00040000 |
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| 146 | #define EXCHGID4_FLAG_MASK_PNFS 0x00070000 |
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| 147 | |
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| 148 | #define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A 0x40000000 |
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| 149 | #define EXCHGID4_FLAG_CONFIRMED_R 0x80000000 |
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| 150 | |
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| 151 | #define EXCHGID4_FLAG_SUPP_FENCE_OPS 0x00000004 |
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| 152 | /* |
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| 153 | * Since the validity of these bits depends on whether |
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| 154 | * they're set in the argument or response, have separate |
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| 155 | * invalid flag masks for arg (_A) and resp (_R). |
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| 156 | */ |
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| 157 | #define EXCHGID4_FLAG_MASK_A 0x40070103 |
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| 158 | #define EXCHGID4_FLAG_MASK_R 0x80070103 |
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| 159 | #define EXCHGID4_2_FLAG_MASK_R 0x80070107 |
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| 160 | |
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| 161 | #define SEQ4_STATUS_CB_PATH_DOWN 0x00000001 |
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| 162 | #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING 0x00000002 |
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| 163 | #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED 0x00000004 |
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| 164 | #define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED 0x00000008 |
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| 165 | #define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED 0x00000010 |
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| 166 | #define SEQ4_STATUS_ADMIN_STATE_REVOKED 0x00000020 |
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| 167 | #define SEQ4_STATUS_RECALLABLE_STATE_REVOKED 0x00000040 |
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| 168 | #define SEQ4_STATUS_LEASE_MOVED 0x00000080 |
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| 169 | #define SEQ4_STATUS_RESTART_RECLAIM_NEEDED 0x00000100 |
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| 170 | #define SEQ4_STATUS_CB_PATH_DOWN_SESSION 0x00000200 |
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| 171 | #define SEQ4_STATUS_BACKCHANNEL_FAULT 0x00000400 |
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| 172 | |
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| 173 | #define NFS4_SECINFO_STYLE4_CURRENT_FH 0 |
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| 174 | #define NFS4_SECINFO_STYLE4_PARENT 1 |
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| 175 | |
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| 176 | #define NFS4_MAX_UINT64 (~(__u64)0) |
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| 177 | |
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| 178 | /* An NFS4 sessions server must support at least NFS4_MAX_OPS operations. |
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| 179 | * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly. |
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| 180 | */ |
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| 181 | #define NFS4_MAX_OPS 8 |
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| 182 | |
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| 183 | /* Our NFS4 client back channel server only wants the cb_sequene and the |
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| 184 | * actual operation per compound |
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| 185 | */ |
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| 186 | #define NFS4_MAX_BACK_CHANNEL_OPS 2 |
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| 187 | |
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| 188 | #endif /* _UAPI_LINUX_NFS4_H */ |
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| 189 | |
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