mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-28 20:02:17 +00:00
![David Howells](/assets/img/avatar_default.png)
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>
146 lines
5.1 KiB
C
146 lines
5.1 KiB
C
/* 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 */
|