3 * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
17 #define AFS_MAXCELLNAME 64 /* maximum length of a cell name */
18 #define AFS_MAXVOLNAME 64 /* maximum length of a volume name */
19 #define AFSNAMEMAX 256 /* maximum length of a filename plus NUL */
20 #define AFSPATHMAX 1024 /* maximum length of a pathname plus NUL */
21 #define AFSOPAQUEMAX 1024 /* maximum length of an opaque field */
23 typedef unsigned afs_volid_t
;
24 typedef unsigned afs_vnodeid_t
;
25 typedef unsigned long long afs_dataversion_t
;
28 AFSVL_RWVOL
, /* read/write volume */
29 AFSVL_ROVOL
, /* read-only volume */
30 AFSVL_BACKVOL
, /* backup volume */
31 } __attribute__((packed
)) afs_voltype_t
;
34 AFS_FTYPE_INVALID
= 0,
37 AFS_FTYPE_SYMLINK
= 3,
41 AFS_LOCK_READ
= 0, /* read lock request */
42 AFS_LOCK_WRITE
= 1, /* write lock request */
45 #define AFS_LOCKWAIT (5 * 60) /* time until a lock times out (seconds) */
51 afs_volid_t vid
; /* volume ID */
52 afs_vnodeid_t vnode
; /* file index within volume */
53 unsigned unique
; /* unique ID number (file index version) */
57 * AFS callback notification
60 AFSCM_CB_UNTYPED
= 0, /* no type set on CB break */
61 AFSCM_CB_EXCLUSIVE
= 1, /* CB exclusive to CM [not implemented] */
62 AFSCM_CB_SHARED
= 2, /* CB shared by other CM's */
63 AFSCM_CB_DROPPED
= 3, /* CB promise cancelled by file server */
64 } afs_callback_type_t
;
67 struct afs_fid fid
; /* file identifier */
68 unsigned version
; /* callback version */
69 unsigned expiry
; /* time at which expires */
70 afs_callback_type_t type
; /* type of callback */
73 #define AFSCBMAX 50 /* maximum callbacks transferred per bulk op */
76 * AFS volume information
78 struct afs_volume_info
{
79 afs_volid_t vid
; /* volume ID */
80 afs_voltype_t type
; /* type of this volume */
81 afs_volid_t type_vids
[5]; /* volume ID's for possible types for this vol */
83 /* list of fileservers serving this volume */
84 size_t nservers
; /* number of entries used in servers[] */
86 struct in_addr addr
; /* fileserver address */
91 * AFS security ACE access mask
93 typedef u32 afs_access_t
;
94 #define AFS_ACE_READ 0x00000001U /* - permission to read a file/dir */
95 #define AFS_ACE_WRITE 0x00000002U /* - permission to write/chmod a file */
96 #define AFS_ACE_INSERT 0x00000004U /* - permission to create dirent in a dir */
97 #define AFS_ACE_LOOKUP 0x00000008U /* - permission to lookup a file/dir in a dir */
98 #define AFS_ACE_DELETE 0x00000010U /* - permission to delete a dirent from a dir */
99 #define AFS_ACE_LOCK 0x00000020U /* - permission to lock a file */
100 #define AFS_ACE_ADMINISTER 0x00000040U /* - permission to change ACL */
101 #define AFS_ACE_USER_A 0x01000000U /* - 'A' user-defined permission */
102 #define AFS_ACE_USER_B 0x02000000U /* - 'B' user-defined permission */
103 #define AFS_ACE_USER_C 0x04000000U /* - 'C' user-defined permission */
104 #define AFS_ACE_USER_D 0x08000000U /* - 'D' user-defined permission */
105 #define AFS_ACE_USER_E 0x10000000U /* - 'E' user-defined permission */
106 #define AFS_ACE_USER_F 0x20000000U /* - 'F' user-defined permission */
107 #define AFS_ACE_USER_G 0x40000000U /* - 'G' user-defined permission */
108 #define AFS_ACE_USER_H 0x80000000U /* - 'H' user-defined permission */
111 * AFS file status information
113 struct afs_file_status
{
114 unsigned if_version
; /* interface version */
115 #define AFS_FSTATUS_VERSION 1
117 afs_file_type_t type
; /* file type */
118 unsigned nlink
; /* link count */
119 u64 size
; /* file size */
120 afs_dataversion_t data_version
; /* current data version */
121 u32 author
; /* author ID */
122 u32 owner
; /* owner ID */
123 u32 group
; /* group ID */
124 afs_access_t caller_access
; /* access rights for authenticated caller */
125 afs_access_t anon_access
; /* access rights for unauthenticated caller */
126 umode_t mode
; /* UNIX mode */
127 struct afs_fid parent
; /* parent dir ID for non-dirs only */
128 time_t mtime_client
; /* last time client changed data */
129 time_t mtime_server
; /* last time server changed data */
130 s32 lock_count
; /* file lock count (0=UNLK -1=WRLCK +ve=#RDLCK */
134 * AFS file status change request
136 struct afs_store_status
{
137 u32 mask
; /* which bits of the struct are set */
138 u32 mtime_client
; /* last time client changed data */
139 u32 owner
; /* owner ID */
140 u32 group
; /* group ID */
141 umode_t mode
; /* UNIX mode */
144 #define AFS_SET_MTIME 0x01 /* set the mtime */
145 #define AFS_SET_OWNER 0x02 /* set the owner ID */
146 #define AFS_SET_GROUP 0x04 /* set the group ID (unsupported?) */
147 #define AFS_SET_MODE 0x08 /* set the UNIX mode */
148 #define AFS_SET_SEG_SIZE 0x10 /* set the segment size (unsupported) */
151 * AFS volume synchronisation information
154 time_t creation
; /* volume creation time */
158 * AFS volume status record
160 struct afs_volume_status
{
161 u32 vid
; /* volume ID */
162 u32 parent_id
; /* parent volume ID */
163 u8 online
; /* true if volume currently online and available */
164 u8 in_service
; /* true if volume currently in service */
165 u8 blessed
; /* same as in_service */
166 u8 needs_salvage
; /* true if consistency checking required */
167 u32 type
; /* volume type (afs_voltype_t) */
168 u32 min_quota
; /* minimum space set aside (blocks) */
169 u32 max_quota
; /* maximum space this volume may occupy (blocks) */
170 u32 blocks_in_use
; /* space this volume currently occupies (blocks) */
171 u32 part_blocks_avail
; /* space available in volume's partition */
172 u32 part_max_blocks
; /* size of volume's partition */
175 #define AFS_BLOCK_SIZE 1024