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