1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* AFS Volume Location Service client interface 3 * 4 * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved. 5 * Written by David Howells (dhowells@redhat.com) 6 */ 7 8 #ifndef AFS_VL_H 9 #define AFS_VL_H 10 11 #include "afs.h" 12 13 #define AFS_VL_PORT 7003 /* volume location service port */ 14 #define VL_SERVICE 52 /* RxRPC service ID for the Volume Location service */ 15 #define YFS_VL_SERVICE 2503 /* Service ID for AuriStor upgraded VL service */ 16 #define YFS_VL_MAXCELLNAME 256 /* Maximum length of a cell name in YFS protocol */ 17 18 enum AFSVL_Operations { 19 VLGETENTRYBYID = 503, /* AFS Get VLDB entry by ID */ 20 VLGETENTRYBYNAME = 504, /* AFS Get VLDB entry by name */ 21 VLPROBE = 514, /* AFS probe VL service */ 22 VLGETENTRYBYIDU = 526, /* AFS Get VLDB entry by ID (UUID-variant) */ 23 VLGETENTRYBYNAMEU = 527, /* AFS Get VLDB entry by name (UUID-variant) */ 24 VLGETADDRSU = 533, /* AFS Get addrs for fileserver */ 25 YVLGETENDPOINTS = 64002, /* YFS Get endpoints for file/volume server */ 26 YVLGETCELLNAME = 64014, /* YFS Get actual cell name */ 27 VLGETCAPABILITIES = 65537, /* AFS Get server capabilities */ 28 }; 29 30 enum AFSVL_Errors { 31 AFSVL_IDEXIST = 363520, /* Volume Id entry exists in vl database */ 32 AFSVL_IO = 363521, /* I/O related error */ 33 AFSVL_NAMEEXIST = 363522, /* Volume name entry exists in vl database */ 34 AFSVL_CREATEFAIL = 363523, /* Internal creation failure */ 35 AFSVL_NOENT = 363524, /* No such entry */ 36 AFSVL_EMPTY = 363525, /* Vl database is empty */ 37 AFSVL_ENTDELETED = 363526, /* Entry is deleted (soft delete) */ 38 AFSVL_BADNAME = 363527, /* Volume name is illegal */ 39 AFSVL_BADINDEX = 363528, /* Index is out of range */ 40 AFSVL_BADVOLTYPE = 363529, /* Bad volume type */ 41 AFSVL_BADSERVER = 363530, /* Illegal server number (out of range) */ 42 AFSVL_BADPARTITION = 363531, /* Bad partition number */ 43 AFSVL_REPSFULL = 363532, /* Run out of space for Replication sites */ 44 AFSVL_NOREPSERVER = 363533, /* No such Replication server site exists */ 45 AFSVL_DUPREPSERVER = 363534, /* Replication site already exists */ 46 AFSVL_RWNOTFOUND = 363535, /* Parent R/W entry not found */ 47 AFSVL_BADREFCOUNT = 363536, /* Illegal Reference Count number */ 48 AFSVL_SIZEEXCEEDED = 363537, /* Vl size for attributes exceeded */ 49 AFSVL_BADENTRY = 363538, /* Bad incoming vl entry */ 50 AFSVL_BADVOLIDBUMP = 363539, /* Illegal max volid increment */ 51 AFSVL_IDALREADYHASHED = 363540, /* RO/BACK id already hashed */ 52 AFSVL_ENTRYLOCKED = 363541, /* Vl entry is already locked */ 53 AFSVL_BADVOLOPER = 363542, /* Bad volume operation code */ 54 AFSVL_BADRELLOCKTYPE = 363543, /* Bad release lock type */ 55 AFSVL_RERELEASE = 363544, /* Status report: last release was aborted */ 56 AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server flag */ 57 AFSVL_PERM = 363546, /* No permission access */ 58 AFSVL_NOMEM = 363547, /* malloc/realloc failed to alloc enough memory */ 59 }; 60 61 enum { 62 YFS_SERVER_INDEX = 0, 63 YFS_SERVER_UUID = 1, 64 YFS_SERVER_ENDPOINT = 2, 65 }; 66 67 enum { 68 YFS_ENDPOINT_IPV4 = 0, 69 YFS_ENDPOINT_IPV6 = 1, 70 }; 71 72 #define YFS_MAXENDPOINTS 16 73 74 /* 75 * maps to "struct vldbentry" in vvl-spec.pdf 76 */ 77 struct afs_vldbentry { 78 char name[65]; /* name of volume (with NUL char) */ 79 afs_voltype_t type; /* volume type */ 80 unsigned num_servers; /* num servers that hold instances of this vol */ 81 unsigned clone_id; /* cloning ID */ 82 83 unsigned flags; 84 #define AFS_VLF_RWEXISTS 0x1000 /* R/W volume exists */ 85 #define AFS_VLF_ROEXISTS 0x2000 /* R/O volume exists */ 86 #define AFS_VLF_BACKEXISTS 0x4000 /* backup volume exists */ 87 88 afs_volid_t volume_ids[3]; /* volume IDs */ 89 90 struct { 91 struct in_addr addr; /* server address */ 92 unsigned partition; /* partition ID on this server */ 93 unsigned flags; /* server specific flags */ 94 #define AFS_VLSF_NEWREPSITE 0x0001 /* Ignore all 'non-new' servers */ 95 #define AFS_VLSF_ROVOL 0x0002 /* this server holds a R/O instance of the volume */ 96 #define AFS_VLSF_RWVOL 0x0004 /* this server holds a R/W instance of the volume */ 97 #define AFS_VLSF_BACKVOL 0x0008 /* this server holds a backup instance of the volume */ 98 #define AFS_VLSF_UUID 0x0010 /* This server is referred to by its UUID */ 99 #define AFS_VLSF_DONTUSE 0x0020 /* This server ref should be ignored */ 100 } servers[8]; 101 }; 102 103 #define AFS_VLDB_MAXNAMELEN 65 104 105 106 struct afs_ListAddrByAttributes__xdr { 107 __be32 Mask; 108 #define AFS_VLADDR_IPADDR 0x1 /* Match by ->ipaddr */ 109 #define AFS_VLADDR_INDEX 0x2 /* Match by ->index */ 110 #define AFS_VLADDR_UUID 0x4 /* Match by ->uuid */ 111 __be32 ipaddr; 112 __be32 index; 113 __be32 spare; 114 struct afs_uuid__xdr uuid; 115 }; 116 117 struct afs_uvldbentry__xdr { 118 __be32 name[AFS_VLDB_MAXNAMELEN]; 119 __be32 nServers; 120 struct afs_uuid__xdr serverNumber[AFS_NMAXNSERVERS]; 121 __be32 serverUnique[AFS_NMAXNSERVERS]; 122 __be32 serverPartition[AFS_NMAXNSERVERS]; 123 __be32 serverFlags[AFS_NMAXNSERVERS]; 124 __be32 volumeId[AFS_MAXTYPES]; 125 __be32 cloneId; 126 __be32 flags; 127 __be32 spares1; 128 __be32 spares2; 129 __be32 spares3; 130 __be32 spares4; 131 __be32 spares5; 132 __be32 spares6; 133 __be32 spares7; 134 __be32 spares8; 135 __be32 spares9; 136 }; 137 138 #endif /* AFS_VL_H */ 139