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Diffstat (limited to 'fs/afs/vlclient.h')
| -rw-r--r-- | fs/afs/vlclient.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/fs/afs/vlclient.h b/fs/afs/vlclient.h new file mode 100644 index 000000000000..e3d601179c46 --- /dev/null +++ b/fs/afs/vlclient.h @@ -0,0 +1,93 @@ +/* vlclient.h: Volume Location Service client interface + * + * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _LINUX_AFS_VLCLIENT_H +#define _LINUX_AFS_VLCLIENT_H + +#include "types.h" + +enum AFSVL_Errors { + AFSVL_IDEXIST = 363520, /* Volume Id entry exists in vl database */ + AFSVL_IO = 363521, /* I/O related error */ + AFSVL_NAMEEXIST = 363522, /* Volume name entry exists in vl database */ + AFSVL_CREATEFAIL = 363523, /* Internal creation failure */ + AFSVL_NOENT = 363524, /* No such entry */ + AFSVL_EMPTY = 363525, /* Vl database is empty */ + AFSVL_ENTDELETED = 363526, /* Entry is deleted (soft delete) */ + AFSVL_BADNAME = 363527, /* Volume name is illegal */ + AFSVL_BADINDEX = 363528, /* Index is out of range */ + AFSVL_BADVOLTYPE = 363529, /* Bad volume type */ + AFSVL_BADSERVER = 363530, /* Illegal server number (out of range) */ + AFSVL_BADPARTITION = 363531, /* Bad partition number */ + AFSVL_REPSFULL = 363532, /* Run out of space for Replication sites */ + AFSVL_NOREPSERVER = 363533, /* No such Replication server site exists */ + AFSVL_DUPREPSERVER = 363534, /* Replication site already exists */ + AFSVL_RWNOTFOUND = 363535, /* Parent R/W entry not found */ + AFSVL_BADREFCOUNT = 363536, /* Illegal Reference Count number */ + AFSVL_SIZEEXCEEDED = 363537, /* Vl size for attributes exceeded */ + AFSVL_BADENTRY = 363538, /* Bad incoming vl entry */ + AFSVL_BADVOLIDBUMP = 363539, /* Illegal max volid increment */ + AFSVL_IDALREADYHASHED = 363540, /* RO/BACK id already hashed */ + AFSVL_ENTRYLOCKED = 363541, /* Vl entry is already locked */ + AFSVL_BADVOLOPER = 363542, /* Bad volume operation code */ + AFSVL_BADRELLOCKTYPE = 363543, /* Bad release lock type */ + AFSVL_RERELEASE = 363544, /* Status report: last release was aborted */ + AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server °ag */ + AFSVL_PERM = 363546, /* No permission access */ + AFSVL_NOMEM = 363547, /* malloc/realloc failed to alloc enough memory */ +}; + +/* maps to "struct vldbentry" in vvl-spec.pdf */ +struct afs_vldbentry { + char name[65]; /* name of volume (including NUL char) */ + afs_voltype_t type; /* volume type */ + unsigned num_servers; /* num servers that hold instances of this vol */ + unsigned clone_id; /* cloning ID */ + + unsigned flags; +#define AFS_VLF_RWEXISTS 0x1000 /* R/W volume exists */ +#define AFS_VLF_ROEXISTS 0x2000 /* R/O volume exists */ +#define AFS_VLF_BACKEXISTS 0x4000 /* backup volume exists */ + + afs_volid_t volume_ids[3]; /* volume IDs */ + + struct { + struct in_addr addr; /* server address */ + unsigned partition; /* partition ID on this server */ + unsigned flags; /* server specific flags */ +#define AFS_VLSF_NEWREPSITE 0x0001 /* unused */ +#define AFS_VLSF_ROVOL 0x0002 /* this server holds a R/O instance of the volume */ +#define AFS_VLSF_RWVOL 0x0004 /* this server holds a R/W instance of the volume */ +#define AFS_VLSF_BACKVOL 0x0008 /* this server holds a backup instance of the volume */ + } servers[8]; + +}; + +/* look up a volume location database entry by name */ +extern int afs_rxvl_get_entry_by_name(struct afs_server *server, + const char *volname, + unsigned volnamesz, + struct afs_cache_vlocation *entry); + +/* look up a volume location database entry by ID */ +extern int afs_rxvl_get_entry_by_id(struct afs_server *server, + afs_volid_t volid, + afs_voltype_t voltype, + struct afs_cache_vlocation *entry); + +extern int afs_rxvl_get_entry_by_id_async(struct afs_async_op *op, + afs_volid_t volid, + afs_voltype_t voltype); + +extern int afs_rxvl_get_entry_by_id_async2(struct afs_async_op *op, + struct afs_cache_vlocation *entry); + +#endif /* _LINUX_AFS_VLCLIENT_H */ |