138 lines · c
1/* SPDX-License-Identifier: GPL-2.0-or-later */2/* AFS Volume Location Service client interface3 *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_H9#define AFS_VL_H10 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 17enum 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 YVLGETCELLNAME = 64014, /* YFS Get actual cell name */26 VLGETCAPABILITIES = 65537, /* AFS Get server capabilities */27};28 29enum AFSVL_Errors {30 AFSVL_IDEXIST = 363520, /* Volume Id entry exists in vl database */31 AFSVL_IO = 363521, /* I/O related error */32 AFSVL_NAMEEXIST = 363522, /* Volume name entry exists in vl database */33 AFSVL_CREATEFAIL = 363523, /* Internal creation failure */34 AFSVL_NOENT = 363524, /* No such entry */35 AFSVL_EMPTY = 363525, /* Vl database is empty */36 AFSVL_ENTDELETED = 363526, /* Entry is deleted (soft delete) */37 AFSVL_BADNAME = 363527, /* Volume name is illegal */38 AFSVL_BADINDEX = 363528, /* Index is out of range */39 AFSVL_BADVOLTYPE = 363529, /* Bad volume type */40 AFSVL_BADSERVER = 363530, /* Illegal server number (out of range) */41 AFSVL_BADPARTITION = 363531, /* Bad partition number */42 AFSVL_REPSFULL = 363532, /* Run out of space for Replication sites */43 AFSVL_NOREPSERVER = 363533, /* No such Replication server site exists */44 AFSVL_DUPREPSERVER = 363534, /* Replication site already exists */45 AFSVL_RWNOTFOUND = 363535, /* Parent R/W entry not found */46 AFSVL_BADREFCOUNT = 363536, /* Illegal Reference Count number */47 AFSVL_SIZEEXCEEDED = 363537, /* Vl size for attributes exceeded */48 AFSVL_BADENTRY = 363538, /* Bad incoming vl entry */49 AFSVL_BADVOLIDBUMP = 363539, /* Illegal max volid increment */50 AFSVL_IDALREADYHASHED = 363540, /* RO/BACK id already hashed */51 AFSVL_ENTRYLOCKED = 363541, /* Vl entry is already locked */52 AFSVL_BADVOLOPER = 363542, /* Bad volume operation code */53 AFSVL_BADRELLOCKTYPE = 363543, /* Bad release lock type */54 AFSVL_RERELEASE = 363544, /* Status report: last release was aborted */55 AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server flag */56 AFSVL_PERM = 363546, /* No permission access */57 AFSVL_NOMEM = 363547, /* malloc/realloc failed to alloc enough memory */58};59 60enum {61 YFS_SERVER_INDEX = 0,62 YFS_SERVER_UUID = 1,63 YFS_SERVER_ENDPOINT = 2,64};65 66enum {67 YFS_ENDPOINT_IPV4 = 0,68 YFS_ENDPOINT_IPV6 = 1,69};70 71#define YFS_MAXENDPOINTS 1672 73/*74 * maps to "struct vldbentry" in vvl-spec.pdf75 */76struct afs_vldbentry {77 char name[65]; /* name of volume (with NUL char) */78 afs_voltype_t type; /* volume type */79 unsigned num_servers; /* num servers that hold instances of this vol */80 unsigned clone_id; /* cloning ID */81 82 unsigned flags;83#define AFS_VLF_RWEXISTS 0x1000 /* R/W volume exists */84#define AFS_VLF_ROEXISTS 0x2000 /* R/O volume exists */85#define AFS_VLF_BACKEXISTS 0x4000 /* backup volume exists */86 87 afs_volid_t volume_ids[3]; /* volume IDs */88 89 struct {90 struct in_addr addr; /* server address */91 unsigned partition; /* partition ID on this server */92 unsigned flags; /* server specific flags */93#define AFS_VLSF_NEWREPSITE 0x0001 /* Ignore all 'non-new' servers */94#define AFS_VLSF_ROVOL 0x0002 /* this server holds a R/O instance of the volume */95#define AFS_VLSF_RWVOL 0x0004 /* this server holds a R/W instance of the volume */96#define AFS_VLSF_BACKVOL 0x0008 /* this server holds a backup instance of the volume */97#define AFS_VLSF_UUID 0x0010 /* This server is referred to by its UUID */98#define AFS_VLSF_DONTUSE 0x0020 /* This server ref should be ignored */99 } servers[8];100};101 102#define AFS_VLDB_MAXNAMELEN 65103 104 105struct afs_ListAddrByAttributes__xdr {106 __be32 Mask;107#define AFS_VLADDR_IPADDR 0x1 /* Match by ->ipaddr */108#define AFS_VLADDR_INDEX 0x2 /* Match by ->index */109#define AFS_VLADDR_UUID 0x4 /* Match by ->uuid */110 __be32 ipaddr;111 __be32 index;112 __be32 spare;113 struct afs_uuid__xdr uuid;114};115 116struct afs_uvldbentry__xdr {117 __be32 name[AFS_VLDB_MAXNAMELEN];118 __be32 nServers;119 struct afs_uuid__xdr serverNumber[AFS_NMAXNSERVERS];120 __be32 serverUnique[AFS_NMAXNSERVERS];121 __be32 serverPartition[AFS_NMAXNSERVERS];122 __be32 serverFlags[AFS_NMAXNSERVERS];123 __be32 volumeId[AFS_MAXTYPES];124 __be32 cloneId;125 __be32 flags;126 __be32 spares1;127 __be32 spares2;128 __be32 spares3;129 __be32 spares4;130 __be32 spares5;131 __be32 spares6;132 __be32 spares7;133 __be32 spares8;134 __be32 spares9;135};136 137#endif /* AFS_VL_H */138