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