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David Howells08e0e7c2007-04-26 15:55:03 -07001/* AFS Volume Location Service client interface
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 *
David Howells08e0e7c2007-04-26 15:55:03 -07003 * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 * Written by David Howells (dhowells@redhat.com)
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
David Howells08e0e7c2007-04-26 15:55:03 -070012#ifndef AFS_VL_H
13#define AFS_VL_H
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
David Howells08e0e7c2007-04-26 15:55:03 -070015#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
20enum AFSVL_Operations {
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};
Linus Torvalds1da177e2005-04-16 15:20:36 -070025
26enum AFSVL_Errors {
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 */
David Howells08e0e7c2007-04-26 15:55:03 -070052 AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server °ag */
Linus Torvalds1da177e2005-04-16 15:20:36 -070053 AFSVL_PERM = 363546, /* No permission access */
54 AFSVL_NOMEM = 363547, /* malloc/realloc failed to alloc enough memory */
55};
56
David Howells08e0e7c2007-04-26 15:55:03 -070057/*
58 * maps to "struct vldbentry" in vvl-spec.pdf
59 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070060struct afs_vldbentry {
David Howells08e0e7c2007-04-26 15:55:03 -070061 char name[65]; /* name of volume (with NUL char) */
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 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];
Linus Torvalds1da177e2005-04-16 15:20:36 -070082};
83
David Howells08e0e7c2007-04-26 15:55:03 -070084#endif /* AFS_VL_H */