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 */ 182