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