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 17 enum AFSVL_Operations { 18 VLGETENTRYBYID = 503, /* AFS Get VLDB entry by ID */ 19 VLGETENTRYBYNAME = 504, /* AFS Get VLDB entry by name */ 20 VLPROBE = 514, /* AFS probe VL service */ 21 VLGETENTRYBYIDU = 526, /* AFS Get VLDB entry by ID (UUID-variant) */ 22 VLGETENTRYBYNAMEU = 527, /* AFS Get VLDB entry by name (UUID-variant) */ 23 VLGETADDRSU = 533, /* AFS Get addrs for fileserver */ 24 YVLGETENDPOINTS = 64002, /* YFS Get endpoints for file/volume server */ 25 VLGETCAPABILITIES = 65537, /* AFS Get server capabilities */ 26 }; 27 28 enum AFSVL_Errors { 29 AFSVL_IDEXIST = 363520, /* Volume Id entry exists in vl database */ 30 AFSVL_IO = 363521, /* I/O related error */ 31 AFSVL_NAMEEXIST = 363522, /* Volume name entry exists in vl database */ 32 AFSVL_CREATEFAIL = 363523, /* Internal creation failure */ 33 AFSVL_NOENT = 363524, /* No such entry */ 34 AFSVL_EMPTY = 363525, /* Vl database is empty */ 35 AFSVL_ENTDELETED = 363526, /* Entry is deleted (soft delete) */ 36 AFSVL_BADNAME = 363527, /* Volume name is illegal */ 37 AFSVL_BADINDEX = 363528, /* Index is out of range */ 38 AFSVL_BADVOLTYPE = 363529, /* Bad volume type */ 39 AFSVL_BADSERVER = 363530, /* Illegal server number (out of range) */ 40 AFSVL_BADPARTITION = 363531, /* Bad partition number */ 41 AFSVL_REPSFULL = 363532, /* Run out of space for Replication sites */ 42 AFSVL_NOREPSERVER = 363533, /* No such Replication server site exists */ 43 AFSVL_DUPREPSERVER = 363534, /* Replication site already exists */ 44 AFSVL_RWNOTFOUND = 363535, /* Parent R/W entry not found */ 45 AFSVL_BADREFCOUNT = 363536, /* Illegal Reference Count number */ 46 AFSVL_SIZEEXCEEDED = 363537, /* Vl size for attributes exceeded */ 47 AFSVL_BADENTRY = 363538, /* Bad incoming vl entry */ 48 AFSVL_BADVOLIDBUMP = 363539, /* Illegal max volid increment */ 49 AFSVL_IDALREADYHASHED = 363540, /* RO/BACK id already hashed */ 50 AFSVL_ENTRYLOCKED = 363541, /* Vl entry is already locked */ 51 AFSVL_BADVOLOPER = 363542, /* Bad volume operation code */ 52 AFSVL_BADRELLOCKTYPE = 363543, /* Bad release lock type */ 53 AFSVL_RERELEASE = 363544, /* Status report: last release was aborted */ 54 AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server flag */ 55 AFSVL_PERM = 363546, /* No permission access */ 56 AFSVL_NOMEM = 363547, /* malloc/realloc failed to alloc enough memory */ 57 }; 58 59 enum { 60 YFS_SERVER_INDEX = 0, 61 YFS_SERVER_UUID = 1, 62 YFS_SERVER_ENDPOINT = 2, 63 }; 64 65 enum { 66 YFS_ENDPOINT_IPV4 = 0, 67 YFS_ENDPOINT_IPV6 = 1, 68 }; 69 70 #define YFS_MAXENDPOINTS 16 71 72 /* 73 * maps to "struct vldbentry" in vvl-spec.pdf 74 */ 75 struct afs_vldbentry { 76 char name[65]; /* name of volume (with NUL char) */ 77 afs_voltype_t type; /* volume type */ 78 unsigned num_servers; /* num servers that hold instances of this vol */ 79 unsigned clone_id; /* cloning ID */ 80 81 unsigned flags; 82 #define AFS_VLF_RWEXISTS 0x1000 /* R/W volume exists */ 83 #define AFS_VLF_ROEXISTS 0x2000 /* R/O volume exists */ 84 #define AFS_VLF_BACKEXISTS 0x4000 /* backup volume exists */ 85 86 afs_volid_t volume_ids[3]; /* volume IDs */ 87 88 struct { 89 struct in_addr addr; /* server address */ 90 unsigned partition; /* partition ID on this server */ 91 unsigned flags; /* server specific flags */ 92 #define AFS_VLSF_NEWREPSITE 0x0001 /* Ignore all 'non-new' servers */ 93 #define AFS_VLSF_ROVOL 0x0002 /* this server holds a R/O instance of the volume */ 94 #define AFS_VLSF_RWVOL 0x0004 /* this server holds a R/W instance of the volume */ 95 #define AFS_VLSF_BACKVOL 0x0008 /* this server holds a backup instance of the volume */ 96 #define AFS_VLSF_UUID 0x0010 /* This server is referred to by its UUID */ 97 #define AFS_VLSF_DONTUSE 0x0020 /* This server ref should be ignored */ 98 } servers[8]; 99 }; 100 101 #define AFS_VLDB_MAXNAMELEN 65 102 103 104 struct afs_ListAddrByAttributes__xdr { 105 __be32 Mask; 106 #define AFS_VLADDR_IPADDR 0x1 /* Match by ->ipaddr */ 107 #define AFS_VLADDR_INDEX 0x2 /* Match by ->index */ 108 #define AFS_VLADDR_UUID 0x4 /* Match by ->uuid */ 109 __be32 ipaddr; 110 __be32 index; 111 __be32 spare; 112 struct afs_uuid__xdr uuid; 113 }; 114 115 struct afs_uvldbentry__xdr { 116 __be32 name[AFS_VLDB_MAXNAMELEN]; 117 __be32 nServers; 118 struct afs_uuid__xdr serverNumber[AFS_NMAXNSERVERS]; 119 __be32 serverUnique[AFS_NMAXNSERVERS]; 120 __be32 serverPartition[AFS_NMAXNSERVERS]; 121 __be32 serverFlags[AFS_NMAXNSERVERS]; 122 __be32 volumeId[AFS_MAXTYPES]; 123 __be32 cloneId; 124 __be32 flags; 125 __be32 spares1; 126 __be32 spares2; 127 __be32 spares3; 128 __be32 spares4; 129 __be32 spares5; 130 __be32 spares6; 131 __be32 spares7; 132 __be32 spares8; 133 __be32 spares9; 134 }; 135 136 struct afs_address_list { 137 refcount_t usage; 138 unsigned int version; 139 unsigned int nr_addrs; 140 struct sockaddr_rxrpc addrs[]; 141 }; 142 143 extern void afs_put_address_list(struct afs_address_list *alist); 144 145 #endif /* AFS_VL_H */ 146