Linux Kernel  3.7.1
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afs_vl.h
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1 /* AFS Volume Location Service client interface
2  *
3  * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved.
4  * Written by David Howells ([email protected])
5  *
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.
10  */
11 
12 #ifndef AFS_VL_H
13 #define AFS_VL_H
14 
15 #include "afs.h"
16 
17 #define AFS_VL_PORT 7003 /* volume location service port */
18 #define VL_SERVICE 52 /* RxRPC service ID for the Volume Location service */
19 
21  VLGETENTRYBYID = 503, /* AFS Get Cache Entry By ID operation ID */
22  VLGETENTRYBYNAME = 504, /* AFS Get Cache Entry By Name operation ID */
23  VLPROBE = 514, /* AFS Probe Volume Location Service operation ID */
24 };
25 
27  AFSVL_IDEXIST = 363520, /* Volume Id entry exists in vl database */
28  AFSVL_IO = 363521, /* I/O related error */
29  AFSVL_NAMEEXIST = 363522, /* Volume name entry exists in vl database */
30  AFSVL_CREATEFAIL = 363523, /* Internal creation failure */
31  AFSVL_NOENT = 363524, /* No such entry */
32  AFSVL_EMPTY = 363525, /* Vl database is empty */
33  AFSVL_ENTDELETED = 363526, /* Entry is deleted (soft delete) */
34  AFSVL_BADNAME = 363527, /* Volume name is illegal */
35  AFSVL_BADINDEX = 363528, /* Index is out of range */
36  AFSVL_BADVOLTYPE = 363529, /* Bad volume type */
37  AFSVL_BADSERVER = 363530, /* Illegal server number (out of range) */
38  AFSVL_BADPARTITION = 363531, /* Bad partition number */
39  AFSVL_REPSFULL = 363532, /* Run out of space for Replication sites */
40  AFSVL_NOREPSERVER = 363533, /* No such Replication server site exists */
41  AFSVL_DUPREPSERVER = 363534, /* Replication site already exists */
42  AFSVL_RWNOTFOUND = 363535, /* Parent R/W entry not found */
43  AFSVL_BADREFCOUNT = 363536, /* Illegal Reference Count number */
44  AFSVL_SIZEEXCEEDED = 363537, /* Vl size for attributes exceeded */
45  AFSVL_BADENTRY = 363538, /* Bad incoming vl entry */
46  AFSVL_BADVOLIDBUMP = 363539, /* Illegal max volid increment */
47  AFSVL_IDALREADYHASHED = 363540, /* RO/BACK id already hashed */
48  AFSVL_ENTRYLOCKED = 363541, /* Vl entry is already locked */
49  AFSVL_BADVOLOPER = 363542, /* Bad volume operation code */
50  AFSVL_BADRELLOCKTYPE = 363543, /* Bad release lock type */
51  AFSVL_RERELEASE = 363544, /* Status report: last release was aborted */
52  AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server flag */
53  AFSVL_PERM = 363546, /* No permission access */
54  AFSVL_NOMEM = 363547, /* malloc/realloc failed to alloc enough memory */
55 };
56 
57 /*
58  * maps to "struct vldbentry" in vvl-spec.pdf
59  */
60 struct afs_vldbentry {
61  char name[65]; /* name of volume (with NUL char) */
62  afs_voltype_t type; /* volume type */
63  unsigned num_servers; /* num servers that hold instances of this vol */
64  unsigned clone_id; /* cloning ID */
65 
66  unsigned flags;
67 #define AFS_VLF_RWEXISTS 0x1000 /* R/W volume exists */
68 #define AFS_VLF_ROEXISTS 0x2000 /* R/O volume exists */
69 #define AFS_VLF_BACKEXISTS 0x4000 /* backup volume exists */
70 
71  afs_volid_t volume_ids[3]; /* volume IDs */
72 
73  struct {
74  struct in_addr addr; /* server address */
75  unsigned partition; /* partition ID on this server */
76  unsigned flags; /* server specific flags */
77 #define AFS_VLSF_NEWREPSITE 0x0001 /* unused */
78 #define AFS_VLSF_ROVOL 0x0002 /* this server holds a R/O instance of the volume */
79 #define AFS_VLSF_RWVOL 0x0004 /* this server holds a R/W instance of the volume */
80 #define AFS_VLSF_BACKVOL 0x0008 /* this server holds a backup instance of the volume */
81  } servers[8];
82 };
83 
84 #endif /* AFS_VL_H */