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 
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  */
179