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/* vlclient.h: Volume Location Service client interface
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*
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* Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _LINUX_AFS_VLCLIENT_H
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#define _LINUX_AFS_VLCLIENT_H
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#include "types.h"
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enum AFSVL_Errors {
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AFSVL_IDEXIST = 363520, /* Volume Id entry exists in vl database */
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AFSVL_IO = 363521, /* I/O related error */
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AFSVL_NAMEEXIST = 363522, /* Volume name entry exists in vl database */
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AFSVL_CREATEFAIL = 363523, /* Internal creation failure */
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AFSVL_NOENT = 363524, /* No such entry */
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AFSVL_EMPTY = 363525, /* Vl database is empty */
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AFSVL_ENTDELETED = 363526, /* Entry is deleted (soft delete) */
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AFSVL_BADNAME = 363527, /* Volume name is illegal */
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AFSVL_BADINDEX = 363528, /* Index is out of range */
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AFSVL_BADVOLTYPE = 363529, /* Bad volume type */
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AFSVL_BADSERVER = 363530, /* Illegal server number (out of range) */
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AFSVL_BADPARTITION = 363531, /* Bad partition number */
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AFSVL_REPSFULL = 363532, /* Run out of space for Replication sites */
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AFSVL_NOREPSERVER = 363533, /* No such Replication server site exists */
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AFSVL_DUPREPSERVER = 363534, /* Replication site already exists */
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AFSVL_RWNOTFOUND = 363535, /* Parent R/W entry not found */
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AFSVL_BADREFCOUNT = 363536, /* Illegal Reference Count number */
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AFSVL_SIZEEXCEEDED = 363537, /* Vl size for attributes exceeded */
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AFSVL_BADENTRY = 363538, /* Bad incoming vl entry */
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AFSVL_BADVOLIDBUMP = 363539, /* Illegal max volid increment */
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AFSVL_IDALREADYHASHED = 363540, /* RO/BACK id already hashed */
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AFSVL_ENTRYLOCKED = 363541, /* Vl entry is already locked */
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AFSVL_BADVOLOPER = 363542, /* Bad volume operation code */
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AFSVL_BADRELLOCKTYPE = 363543, /* Bad release lock type */
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AFSVL_RERELEASE = 363544, /* Status report: last release was aborted */
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AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server <EFBFBD>ag */
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AFSVL_PERM = 363546, /* No permission access */
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AFSVL_NOMEM = 363547, /* malloc/realloc failed to alloc enough memory */
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};
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/* maps to "struct vldbentry" in vvl-spec.pdf */
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struct afs_vldbentry {
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char name[65]; /* name of volume (including NUL char) */
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afs_voltype_t type; /* volume type */
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unsigned num_servers; /* num servers that hold instances of this vol */
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unsigned clone_id; /* cloning ID */
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unsigned flags;
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#define AFS_VLF_RWEXISTS 0x1000 /* R/W volume exists */
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#define AFS_VLF_ROEXISTS 0x2000 /* R/O volume exists */
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#define AFS_VLF_BACKEXISTS 0x4000 /* backup volume exists */
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afs_volid_t volume_ids[3]; /* volume IDs */
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struct {
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struct in_addr addr; /* server address */
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unsigned partition; /* partition ID on this server */
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unsigned flags; /* server specific flags */
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#define AFS_VLSF_NEWREPSITE 0x0001 /* unused */
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#define AFS_VLSF_ROVOL 0x0002 /* this server holds a R/O instance of the volume */
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#define AFS_VLSF_RWVOL 0x0004 /* this server holds a R/W instance of the volume */
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#define AFS_VLSF_BACKVOL 0x0008 /* this server holds a backup instance of the volume */
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} servers[8];
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};
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/* look up a volume location database entry by name */
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extern int afs_rxvl_get_entry_by_name(struct afs_server *server,
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const char *volname,
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unsigned volnamesz,
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struct afs_cache_vlocation *entry);
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/* look up a volume location database entry by ID */
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extern int afs_rxvl_get_entry_by_id(struct afs_server *server,
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afs_volid_t volid,
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afs_voltype_t voltype,
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struct afs_cache_vlocation *entry);
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extern int afs_rxvl_get_entry_by_id_async(struct afs_async_op *op,
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afs_volid_t volid,
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afs_voltype_t voltype);
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extern int afs_rxvl_get_entry_by_id_async2(struct afs_async_op *op,
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struct afs_cache_vlocation *entry);
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#endif /* _LINUX_AFS_VLCLIENT_H */
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