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 */
20 typedef unsigned afs_volid_t;
21 typedef unsigned afs_vnodeid_t;
22 typedef unsigned long long afs_dataversion_t;
25 AFSVL_RWVOL, /* read/write volume */
26 AFSVL_ROVOL, /* read-only volume */
27 AFSVL_BACKVOL, /* backup volume */
28 } __attribute__((packed)) afs_voltype_t;
31 AFS_FTYPE_INVALID = 0,
34 AFS_FTYPE_SYMLINK = 3,
41 afs_volid_t vid; /* volume ID */
42 afs_vnodeid_t vnode; /* file index within volume */
43 unsigned unique; /* unique ID number (file index version) */
47 * AFS callback notification
50 AFSCM_CB_UNTYPED = 0, /* no type set on CB break */
51 AFSCM_CB_EXCLUSIVE = 1, /* CB exclusive to CM [not implemented] */
52 AFSCM_CB_SHARED = 2, /* CB shared by other CM's */
53 AFSCM_CB_DROPPED = 3, /* CB promise cancelled by file server */
54 } afs_callback_type_t;
57 struct afs_fid fid; /* file identifier */
58 unsigned version; /* callback version */
59 unsigned expiry; /* time at which expires */
60 afs_callback_type_t type; /* type of callback */
63 #define AFSCBMAX 50 /* maximum callbacks transferred per bulk op */
66 * AFS volume information
68 struct afs_volume_info {
69 afs_volid_t vid; /* volume ID */
70 afs_voltype_t type; /* type of this volume */
71 afs_volid_t type_vids[5]; /* volume ID's for possible types for this vol */
73 /* list of fileservers serving this volume */
74 size_t nservers; /* number of entries used in servers[] */
76 struct in_addr addr; /* fileserver address */
81 * AFS security ACE access mask
83 typedef u32 afs_access_t;
84 #define AFS_ACE_READ 0x00000001U /* - permission to read a file/dir */
85 #define AFS_ACE_WRITE 0x00000002U /* - permission to write/chmod a file */
86 #define AFS_ACE_INSERT 0x00000004U /* - permission to create dirent in a dir */
87 #define AFS_ACE_LOOKUP 0x00000008U /* - permission to lookup a file/dir in a dir */
88 #define AFS_ACE_DELETE 0x00000010U /* - permission to delete a dirent from a dir */
89 #define AFS_ACE_LOCK 0x00000020U /* - permission to lock a file */
90 #define AFS_ACE_ADMINISTER 0x00000040U /* - permission to change ACL */
91 #define AFS_ACE_USER_A 0x01000000U /* - 'A' user-defined permission */
92 #define AFS_ACE_USER_B 0x02000000U /* - 'B' user-defined permission */
93 #define AFS_ACE_USER_C 0x04000000U /* - 'C' user-defined permission */
94 #define AFS_ACE_USER_D 0x08000000U /* - 'D' user-defined permission */
95 #define AFS_ACE_USER_E 0x10000000U /* - 'E' user-defined permission */
96 #define AFS_ACE_USER_F 0x20000000U /* - 'F' user-defined permission */
97 #define AFS_ACE_USER_G 0x40000000U /* - 'G' user-defined permission */
98 #define AFS_ACE_USER_H 0x80000000U /* - 'H' user-defined permission */
101 * AFS file status information
103 struct afs_file_status {
104 unsigned if_version; /* interface version */
105 #define AFS_FSTATUS_VERSION 1
107 afs_file_type_t type; /* file type */
108 unsigned nlink; /* link count */
109 u64 size; /* file size */
110 afs_dataversion_t data_version; /* current data version */
111 u32 author; /* author ID */
112 u32 owner; /* owner ID */
113 u32 group; /* group ID */
114 afs_access_t caller_access; /* access rights for authenticated caller */
115 afs_access_t anon_access; /* access rights for unauthenticated caller */
116 umode_t mode; /* UNIX mode */
117 struct afs_fid parent; /* parent dir ID for non-dirs only */
118 time_t mtime_client; /* last time client changed data */
119 time_t mtime_server; /* last time server changed data */
123 * AFS file status change request
125 struct afs_store_status {
126 u32 mask; /* which bits of the struct are set */
127 u32 mtime_client; /* last time client changed data */
128 u32 owner; /* owner ID */
129 u32 group; /* group ID */
130 umode_t mode; /* UNIX mode */
133 #define AFS_SET_MTIME 0x01 /* set the mtime */
134 #define AFS_SET_OWNER 0x02 /* set the owner ID */
135 #define AFS_SET_GROUP 0x04 /* set the group ID (unsupported?) */
136 #define AFS_SET_MODE 0x08 /* set the UNIX mode */
137 #define AFS_SET_SEG_SIZE 0x10 /* set the segment size (unsupported) */
140 * AFS volume synchronisation information
143 time_t creation; /* volume creation time */