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Diffstat (limited to 'fs/afs/afs_vl.h')
| -rw-r--r-- | fs/afs/afs_vl.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/fs/afs/afs_vl.h b/fs/afs/afs_vl.h new file mode 100644 index 000000000..9c65ffb8a --- /dev/null +++ b/fs/afs/afs_vl.h @@ -0,0 +1,146 @@ +/* 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 (dhowells@redhat.com) + */ + +#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 */ |