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c3e9f88826
Implement client support for the YFSVL.GetCellName RPC operation by which YFS permits the canonical cell name to be queried from a VL server. Signed-off-by: David Howells <dhowells@redhat.com>
147 lines
5.1 KiB
C
147 lines
5.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* AFS Volume Location Service client interface
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*
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* Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#ifndef AFS_VL_H
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#define AFS_VL_H
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#include "afs.h"
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#define AFS_VL_PORT 7003 /* volume location service port */
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#define VL_SERVICE 52 /* RxRPC service ID for the Volume Location service */
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#define YFS_VL_SERVICE 2503 /* Service ID for AuriStor upgraded VL service */
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enum AFSVL_Operations {
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VLGETENTRYBYID = 503, /* AFS Get VLDB entry by ID */
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VLGETENTRYBYNAME = 504, /* AFS Get VLDB entry by name */
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VLPROBE = 514, /* AFS probe VL service */
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VLGETENTRYBYIDU = 526, /* AFS Get VLDB entry by ID (UUID-variant) */
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VLGETENTRYBYNAMEU = 527, /* AFS Get VLDB entry by name (UUID-variant) */
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VLGETADDRSU = 533, /* AFS Get addrs for fileserver */
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YVLGETENDPOINTS = 64002, /* YFS Get endpoints for file/volume server */
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YVLGETCELLNAME = 64014, /* YFS Get actual cell name */
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VLGETCAPABILITIES = 65537, /* AFS Get server capabilities */
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};
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enum AFSVL_Errors {
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AFSVL_IDEXIST = 363520, /* Volume Id entry exists in vl database */
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AFSVL_IO = 363521, /* I/O related error */
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AFSVL_NAMEEXIST = 363522, /* Volume name entry exists in vl database */
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AFSVL_CREATEFAIL = 363523, /* Internal creation failure */
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AFSVL_NOENT = 363524, /* No such entry */
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AFSVL_EMPTY = 363525, /* Vl database is empty */
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AFSVL_ENTDELETED = 363526, /* Entry is deleted (soft delete) */
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AFSVL_BADNAME = 363527, /* Volume name is illegal */
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AFSVL_BADINDEX = 363528, /* Index is out of range */
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AFSVL_BADVOLTYPE = 363529, /* Bad volume type */
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AFSVL_BADSERVER = 363530, /* Illegal server number (out of range) */
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AFSVL_BADPARTITION = 363531, /* Bad partition number */
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AFSVL_REPSFULL = 363532, /* Run out of space for Replication sites */
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AFSVL_NOREPSERVER = 363533, /* No such Replication server site exists */
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AFSVL_DUPREPSERVER = 363534, /* Replication site already exists */
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AFSVL_RWNOTFOUND = 363535, /* Parent R/W entry not found */
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AFSVL_BADREFCOUNT = 363536, /* Illegal Reference Count number */
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AFSVL_SIZEEXCEEDED = 363537, /* Vl size for attributes exceeded */
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AFSVL_BADENTRY = 363538, /* Bad incoming vl entry */
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AFSVL_BADVOLIDBUMP = 363539, /* Illegal max volid increment */
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AFSVL_IDALREADYHASHED = 363540, /* RO/BACK id already hashed */
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AFSVL_ENTRYLOCKED = 363541, /* Vl entry is already locked */
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AFSVL_BADVOLOPER = 363542, /* Bad volume operation code */
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AFSVL_BADRELLOCKTYPE = 363543, /* Bad release lock type */
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AFSVL_RERELEASE = 363544, /* Status report: last release was aborted */
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AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server flag */
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AFSVL_PERM = 363546, /* No permission access */
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AFSVL_NOMEM = 363547, /* malloc/realloc failed to alloc enough memory */
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};
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enum {
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YFS_SERVER_INDEX = 0,
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YFS_SERVER_UUID = 1,
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YFS_SERVER_ENDPOINT = 2,
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};
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enum {
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YFS_ENDPOINT_IPV4 = 0,
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YFS_ENDPOINT_IPV6 = 1,
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};
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#define YFS_MAXENDPOINTS 16
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/*
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* maps to "struct vldbentry" in vvl-spec.pdf
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*/
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struct afs_vldbentry {
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char name[65]; /* name of volume (with NUL char) */
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afs_voltype_t type; /* volume type */
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unsigned num_servers; /* num servers that hold instances of this vol */
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unsigned clone_id; /* cloning ID */
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unsigned flags;
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#define AFS_VLF_RWEXISTS 0x1000 /* R/W volume exists */
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#define AFS_VLF_ROEXISTS 0x2000 /* R/O volume exists */
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#define AFS_VLF_BACKEXISTS 0x4000 /* backup volume exists */
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afs_volid_t volume_ids[3]; /* volume IDs */
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struct {
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struct in_addr addr; /* server address */
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unsigned partition; /* partition ID on this server */
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unsigned flags; /* server specific flags */
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#define AFS_VLSF_NEWREPSITE 0x0001 /* Ignore all 'non-new' servers */
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#define AFS_VLSF_ROVOL 0x0002 /* this server holds a R/O instance of the volume */
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#define AFS_VLSF_RWVOL 0x0004 /* this server holds a R/W instance of the volume */
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#define AFS_VLSF_BACKVOL 0x0008 /* this server holds a backup instance of the volume */
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#define AFS_VLSF_UUID 0x0010 /* This server is referred to by its UUID */
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#define AFS_VLSF_DONTUSE 0x0020 /* This server ref should be ignored */
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} servers[8];
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};
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#define AFS_VLDB_MAXNAMELEN 65
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struct afs_ListAddrByAttributes__xdr {
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__be32 Mask;
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#define AFS_VLADDR_IPADDR 0x1 /* Match by ->ipaddr */
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#define AFS_VLADDR_INDEX 0x2 /* Match by ->index */
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#define AFS_VLADDR_UUID 0x4 /* Match by ->uuid */
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__be32 ipaddr;
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__be32 index;
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__be32 spare;
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struct afs_uuid__xdr uuid;
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};
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struct afs_uvldbentry__xdr {
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__be32 name[AFS_VLDB_MAXNAMELEN];
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__be32 nServers;
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struct afs_uuid__xdr serverNumber[AFS_NMAXNSERVERS];
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__be32 serverUnique[AFS_NMAXNSERVERS];
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__be32 serverPartition[AFS_NMAXNSERVERS];
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__be32 serverFlags[AFS_NMAXNSERVERS];
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__be32 volumeId[AFS_MAXTYPES];
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__be32 cloneId;
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__be32 flags;
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__be32 spares1;
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__be32 spares2;
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__be32 spares3;
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__be32 spares4;
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__be32 spares5;
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__be32 spares6;
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__be32 spares7;
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__be32 spares8;
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__be32 spares9;
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};
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struct afs_address_list {
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refcount_t usage;
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unsigned int version;
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unsigned int nr_addrs;
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struct sockaddr_rxrpc addrs[];
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};
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extern void afs_put_address_list(struct afs_address_list *alist);
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#endif /* AFS_VL_H */
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