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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 (at) umich.edu>
     10  *  Andy Adamson   <andros (at) umich.edu>
     11  */
     12 
     13 #ifndef _LINUX_NFS4_H
     14 #define _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_SET_TO_SERVER_TIME	0
     73 #define NFS4_SET_TO_CLIENT_TIME	1
     74 
     75 #define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0
     76 #define NFS4_ACE_ACCESS_DENIED_ACE_TYPE  1
     77 #define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE   2
     78 #define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE   3
     79 
     80 #define ACL4_SUPPORT_ALLOW_ACL 0x01
     81 #define ACL4_SUPPORT_DENY_ACL  0x02
     82 #define ACL4_SUPPORT_AUDIT_ACL 0x04
     83 #define ACL4_SUPPORT_ALARM_ACL 0x08
     84 
     85 #define NFS4_ACE_FILE_INHERIT_ACE             0x00000001
     86 #define NFS4_ACE_DIRECTORY_INHERIT_ACE        0x00000002
     87 #define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE     0x00000004
     88 #define NFS4_ACE_INHERIT_ONLY_ACE             0x00000008
     89 #define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG   0x00000010
     90 #define NFS4_ACE_FAILED_ACCESS_ACE_FLAG       0x00000020
     91 #define NFS4_ACE_IDENTIFIER_GROUP             0x00000040
     92 
     93 #define NFS4_ACE_READ_DATA                    0x00000001
     94 #define NFS4_ACE_LIST_DIRECTORY               0x00000001
     95 #define NFS4_ACE_WRITE_DATA                   0x00000002
     96 #define NFS4_ACE_ADD_FILE                     0x00000002
     97 #define NFS4_ACE_APPEND_DATA                  0x00000004
     98 #define NFS4_ACE_ADD_SUBDIRECTORY             0x00000004
     99 #define NFS4_ACE_READ_NAMED_ATTRS             0x00000008
    100 #define NFS4_ACE_WRITE_NAMED_ATTRS            0x00000010
    101 #define NFS4_ACE_EXECUTE                      0x00000020
    102 #define NFS4_ACE_DELETE_CHILD                 0x00000040
    103 #define NFS4_ACE_READ_ATTRIBUTES              0x00000080
    104 #define NFS4_ACE_WRITE_ATTRIBUTES             0x00000100
    105 #define NFS4_ACE_DELETE                       0x00010000
    106 #define NFS4_ACE_READ_ACL                     0x00020000
    107 #define NFS4_ACE_WRITE_ACL                    0x00040000
    108 #define NFS4_ACE_WRITE_OWNER                  0x00080000
    109 #define NFS4_ACE_SYNCHRONIZE                  0x00100000
    110 #define NFS4_ACE_GENERIC_READ                 0x00120081
    111 #define NFS4_ACE_GENERIC_WRITE                0x00160106
    112 #define NFS4_ACE_GENERIC_EXECUTE              0x001200A0
    113 #define NFS4_ACE_MASK_ALL                     0x001F01FF
    114 
    115 #define EXCHGID4_FLAG_SUPP_MOVED_REFER		0x00000001
    116 #define EXCHGID4_FLAG_SUPP_MOVED_MIGR		0x00000002
    117 #define EXCHGID4_FLAG_BIND_PRINC_STATEID	0x00000100
    118 
    119 #define EXCHGID4_FLAG_USE_NON_PNFS		0x00010000
    120 #define EXCHGID4_FLAG_USE_PNFS_MDS		0x00020000
    121 #define EXCHGID4_FLAG_USE_PNFS_DS		0x00040000
    122 #define EXCHGID4_FLAG_MASK_PNFS			0x00070000
    123 
    124 #define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A	0x40000000
    125 #define EXCHGID4_FLAG_CONFIRMED_R		0x80000000
    126 /*
    127  * Since the validity of these bits depends on whether
    128  * they're set in the argument or response, have separate
    129  * invalid flag masks for arg (_A) and resp (_R).
    130  */
    131 #define EXCHGID4_FLAG_MASK_A			0x40070103
    132 #define EXCHGID4_FLAG_MASK_R			0x80070103
    133 
    134 #define SEQ4_STATUS_CB_PATH_DOWN		0x00000001
    135 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING	0x00000002
    136 #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED	0x00000004
    137 #define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED	0x00000008
    138 #define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED	0x00000010
    139 #define SEQ4_STATUS_ADMIN_STATE_REVOKED		0x00000020
    140 #define SEQ4_STATUS_RECALLABLE_STATE_REVOKED	0x00000040
    141 #define SEQ4_STATUS_LEASE_MOVED			0x00000080
    142 #define SEQ4_STATUS_RESTART_RECLAIM_NEEDED	0x00000100
    143 #define SEQ4_STATUS_CB_PATH_DOWN_SESSION	0x00000200
    144 #define SEQ4_STATUS_BACKCHANNEL_FAULT		0x00000400
    145 
    146 #define NFS4_SECINFO_STYLE4_CURRENT_FH	0
    147 #define NFS4_SECINFO_STYLE4_PARENT	1
    148 
    149 #define NFS4_MAX_UINT64	(~(u64)0)
    150 
    151 /* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.
    152  * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly.
    153  */
    154 #define NFS4_MAX_OPS   8
    155 
    156 /* Our NFS4 client back channel server only wants the cb_sequene and the
    157  * actual operation per compound
    158  */
    159 #define NFS4_MAX_BACK_CHANNEL_OPS 2
    160 
    161 enum nfs4_acl_whotype {
    162 	NFS4_ACL_WHO_NAMED = 0,
    163 	NFS4_ACL_WHO_OWNER,
    164 	NFS4_ACL_WHO_GROUP,
    165 	NFS4_ACL_WHO_EVERYONE,
    166 };
    167 
    168 #endif
    169 
    170 /*
    171  * Local variables:
    172  *  c-basic-offset: 8
    173  * End:
    174  */
    175