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