Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
nfs4.h
Go to the documentation of this file.
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 <[email protected]>
10  * Andy Adamson <[email protected]>
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_ACE_FILE_INHERIT_ACE 0x00000001
90 #define NFS4_ACE_DIRECTORY_INHERIT_ACE 0x00000002
91 #define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE 0x00000004
92 #define NFS4_ACE_INHERIT_ONLY_ACE 0x00000008
93 #define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010
94 #define NFS4_ACE_FAILED_ACCESS_ACE_FLAG 0x00000020
95 #define NFS4_ACE_IDENTIFIER_GROUP 0x00000040
96 
97 #define NFS4_ACE_READ_DATA 0x00000001
98 #define NFS4_ACE_LIST_DIRECTORY 0x00000001
99 #define NFS4_ACE_WRITE_DATA 0x00000002
100 #define NFS4_ACE_ADD_FILE 0x00000002
101 #define NFS4_ACE_APPEND_DATA 0x00000004
102 #define NFS4_ACE_ADD_SUBDIRECTORY 0x00000004
103 #define NFS4_ACE_READ_NAMED_ATTRS 0x00000008
104 #define NFS4_ACE_WRITE_NAMED_ATTRS 0x00000010
105 #define NFS4_ACE_EXECUTE 0x00000020
106 #define NFS4_ACE_DELETE_CHILD 0x00000040
107 #define NFS4_ACE_READ_ATTRIBUTES 0x00000080
108 #define NFS4_ACE_WRITE_ATTRIBUTES 0x00000100
109 #define NFS4_ACE_DELETE 0x00010000
110 #define NFS4_ACE_READ_ACL 0x00020000
111 #define NFS4_ACE_WRITE_ACL 0x00040000
112 #define NFS4_ACE_WRITE_OWNER 0x00080000
113 #define NFS4_ACE_SYNCHRONIZE 0x00100000
114 #define NFS4_ACE_GENERIC_READ 0x00120081
115 #define NFS4_ACE_GENERIC_WRITE 0x00160106
116 #define NFS4_ACE_GENERIC_EXECUTE 0x001200A0
117 #define NFS4_ACE_MASK_ALL 0x001F01FF
118 
119 #define EXCHGID4_FLAG_SUPP_MOVED_REFER 0x00000001
120 #define EXCHGID4_FLAG_SUPP_MOVED_MIGR 0x00000002
121 #define EXCHGID4_FLAG_BIND_PRINC_STATEID 0x00000100
122 
123 #define EXCHGID4_FLAG_USE_NON_PNFS 0x00010000
124 #define EXCHGID4_FLAG_USE_PNFS_MDS 0x00020000
125 #define EXCHGID4_FLAG_USE_PNFS_DS 0x00040000
126 #define EXCHGID4_FLAG_MASK_PNFS 0x00070000
127 
128 #define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A 0x40000000
129 #define EXCHGID4_FLAG_CONFIRMED_R 0x80000000
130 /*
131  * Since the validity of these bits depends on whether
132  * they're set in the argument or response, have separate
133  * invalid flag masks for arg (_A) and resp (_R).
134  */
135 #define EXCHGID4_FLAG_MASK_A 0x40070103
136 #define EXCHGID4_FLAG_MASK_R 0x80070103
137 
138 #define SEQ4_STATUS_CB_PATH_DOWN 0x00000001
139 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING 0x00000002
140 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED 0x00000004
141 #define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED 0x00000008
142 #define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED 0x00000010
143 #define SEQ4_STATUS_ADMIN_STATE_REVOKED 0x00000020
144 #define SEQ4_STATUS_RECALLABLE_STATE_REVOKED 0x00000040
145 #define SEQ4_STATUS_LEASE_MOVED 0x00000080
146 #define SEQ4_STATUS_RESTART_RECLAIM_NEEDED 0x00000100
147 #define SEQ4_STATUS_CB_PATH_DOWN_SESSION 0x00000200
148 #define SEQ4_STATUS_BACKCHANNEL_FAULT 0x00000400
149 
150 #define NFS4_SECINFO_STYLE4_CURRENT_FH 0
151 #define NFS4_SECINFO_STYLE4_PARENT 1
152 
153 #define NFS4_MAX_UINT64 (~(u64)0)
154 
155 /* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.
156  * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly.
157  */
158 #define NFS4_MAX_OPS 8
159 
160 /* Our NFS4 client back channel server only wants the cb_sequene and the
161  * actual operation per compound
162  */
163 #define NFS4_MAX_BACK_CHANNEL_OPS 2
164 
170 };
171 
172 #endif /* _UAPI_LINUX_NFS4_H */
173 
174 /*
175  * Local variables:
176  * c-basic-offset: 8
177  * End:
178  */