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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 @@ | |||
| 1 | /* vlclient.h: Volume Location Service client interface | ||
| 2 | * | ||
| 3 | * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. | ||
| 4 | * 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 | |||
| 12 | #ifndef _LINUX_AFS_VLCLIENT_H | ||
| 13 | #define _LINUX_AFS_VLCLIENT_H | ||
| 14 | |||
| 15 | #include "types.h" | ||
| 16 | |||
| 17 | enum AFSVL_Errors { | ||
| 18 | AFSVL_IDEXIST = 363520, /* Volume Id entry exists in vl database */ | ||
| 19 | AFSVL_IO = 363521, /* I/O related error */ | ||
| 20 | AFSVL_NAMEEXIST = 363522, /* Volume name entry exists in vl database */ | ||
| 21 | AFSVL_CREATEFAIL = 363523, /* Internal creation failure */ | ||
| 22 | AFSVL_NOENT = 363524, /* No such entry */ | ||
| 23 | AFSVL_EMPTY = 363525, /* Vl database is empty */ | ||
| 24 | AFSVL_ENTDELETED = 363526, /* Entry is deleted (soft delete) */ | ||
| 25 | AFSVL_BADNAME = 363527, /* Volume name is illegal */ | ||
| 26 | AFSVL_BADINDEX = 363528, /* Index is out of range */ | ||
| 27 | AFSVL_BADVOLTYPE = 363529, /* Bad volume type */ | ||
| 28 | AFSVL_BADSERVER = 363530, /* Illegal server number (out of range) */ | ||
| 29 | AFSVL_BADPARTITION = 363531, /* Bad partition number */ | ||
| 30 | AFSVL_REPSFULL = 363532, /* Run out of space for Replication sites */ | ||
| 31 | AFSVL_NOREPSERVER = 363533, /* No such Replication server site exists */ | ||
| 32 | AFSVL_DUPREPSERVER = 363534, /* Replication site already exists */ | ||
| 33 | AFSVL_RWNOTFOUND = 363535, /* Parent R/W entry not found */ | ||
| 34 | AFSVL_BADREFCOUNT = 363536, /* Illegal Reference Count number */ | ||
| 35 | AFSVL_SIZEEXCEEDED = 363537, /* Vl size for attributes exceeded */ | ||
| 36 | AFSVL_BADENTRY = 363538, /* Bad incoming vl entry */ | ||
| 37 | AFSVL_BADVOLIDBUMP = 363539, /* Illegal max volid increment */ | ||
| 38 | AFSVL_IDALREADYHASHED = 363540, /* RO/BACK id already hashed */ | ||
| 39 | AFSVL_ENTRYLOCKED = 363541, /* Vl entry is already locked */ | ||
| 40 | AFSVL_BADVOLOPER = 363542, /* Bad volume operation code */ | ||
| 41 | AFSVL_BADRELLOCKTYPE = 363543, /* Bad release lock type */ | ||
| 42 | AFSVL_RERELEASE = 363544, /* Status report: last release was aborted */ | ||
| 43 | AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server °ag */ | ||
| 44 | AFSVL_PERM = 363546, /* No permission access */ | ||
| 45 | AFSVL_NOMEM = 363547, /* malloc/realloc failed to alloc enough memory */ | ||
| 46 | }; | ||
| 47 | |||
| 48 | /* maps to "struct vldbentry" in vvl-spec.pdf */ | ||
| 49 | struct afs_vldbentry { | ||
| 50 | char name[65]; /* name of volume (including NUL char) */ | ||
| 51 | afs_voltype_t type; /* volume type */ | ||
| 52 | unsigned num_servers; /* num servers that hold instances of this vol */ | ||
| 53 | unsigned clone_id; /* cloning ID */ | ||
| 54 | |||
| 55 | unsigned flags; | ||
| 56 | #define AFS_VLF_RWEXISTS 0x1000 /* R/W volume exists */ | ||
| 57 | #define AFS_VLF_ROEXISTS 0x2000 /* R/O volume exists */ | ||
| 58 | #define AFS_VLF_BACKEXISTS 0x4000 /* backup volume exists */ | ||
| 59 | |||
| 60 | afs_volid_t volume_ids[3]; /* volume IDs */ | ||
| 61 | |||
| 62 | struct { | ||
| 63 | struct in_addr addr; /* server address */ | ||
| 64 | unsigned partition; /* partition ID on this server */ | ||
| 65 | unsigned flags; /* server specific flags */ | ||
| 66 | #define AFS_VLSF_NEWREPSITE 0x0001 /* unused */ | ||
| 67 | #define AFS_VLSF_ROVOL 0x0002 /* this server holds a R/O instance of the volume */ | ||
| 68 | #define AFS_VLSF_RWVOL 0x0004 /* this server holds a R/W instance of the volume */ | ||
| 69 | #define AFS_VLSF_BACKVOL 0x0008 /* this server holds a backup instance of the volume */ | ||
| 70 | } servers[8]; | ||
| 71 | |||
| 72 | }; | ||
| 73 | |||
| 74 | /* look up a volume location database entry by name */ | ||
| 75 | extern int afs_rxvl_get_entry_by_name(struct afs_server *server, | ||
| 76 | const char *volname, | ||
| 77 | unsigned volnamesz, | ||
| 78 | struct afs_cache_vlocation *entry); | ||
| 79 | |||
| 80 | /* look up a volume location database entry by ID */ | ||
| 81 | extern int afs_rxvl_get_entry_by_id(struct afs_server *server, | ||
| 82 | afs_volid_t volid, | ||
| 83 | afs_voltype_t voltype, | ||
| 84 | struct afs_cache_vlocation *entry); | ||
| 85 | |||
| 86 | extern int afs_rxvl_get_entry_by_id_async(struct afs_async_op *op, | ||
| 87 | afs_volid_t volid, | ||
| 88 | afs_voltype_t voltype); | ||
| 89 | |||
| 90 | extern int afs_rxvl_get_entry_by_id_async2(struct afs_async_op *op, | ||
| 91 | struct afs_cache_vlocation *entry); | ||
| 92 | |||
| 93 | #endif /* _LINUX_AFS_VLCLIENT_H */ | ||