Thomas Gleixner | 2874c5f | 2019-05-27 08:55:01 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
David Howells | 08e0e7c | 2007-04-26 15:55:03 -0700 | [diff] [blame] | 2 | /* AFS Volume Location Service client interface |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * |
David Howells | 08e0e7c | 2007-04-26 15:55:03 -0700 | [diff] [blame] | 4 | * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | * Written by David Howells (dhowells@redhat.com) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | */ |
| 7 | |
David Howells | 08e0e7c | 2007-04-26 15:55:03 -0700 | [diff] [blame] | 8 | #ifndef AFS_VL_H |
| 9 | #define AFS_VL_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | |
David Howells | 08e0e7c | 2007-04-26 15:55:03 -0700 | [diff] [blame] | 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 */ |
David Howells | bf99a53 | 2017-11-02 15:27:51 +0000 | [diff] [blame] | 15 | #define YFS_VL_SERVICE 2503 /* Service ID for AuriStor upgraded VL service */ |
David Howells | 08e0e7c | 2007-04-26 15:55:03 -0700 | [diff] [blame] | 16 | |
| 17 | enum AFSVL_Operations { |
David Howells | 91a9038 | 2017-11-02 15:27:46 +0000 | [diff] [blame] | 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 */ |
David Howells | bf99a53 | 2017-11-02 15:27:51 +0000 | [diff] [blame] | 24 | YVLGETENDPOINTS = 64002, /* YFS Get endpoints for file/volume server */ |
David Howells | c3e9f88 | 2020-04-29 17:26:41 +0100 | [diff] [blame] | 25 | YVLGETCELLNAME = 64014, /* YFS Get actual cell name */ |
David Howells | bf99a53 | 2017-11-02 15:27:51 +0000 | [diff] [blame] | 26 | VLGETCAPABILITIES = 65537, /* AFS Get server capabilities */ |
David Howells | 08e0e7c | 2007-04-26 15:55:03 -0700 | [diff] [blame] | 27 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
| 29 | enum 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 */ |
David Howells | e4b9f00 | 2011-07-18 13:50:00 +0100 | [diff] [blame] | 55 | AFSVL_BADSERVERFLAG = 363545, /* Invalid replication site server flag */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | AFSVL_PERM = 363546, /* No permission access */ |
| 57 | AFSVL_NOMEM = 363547, /* malloc/realloc failed to alloc enough memory */ |
| 58 | }; |
| 59 | |
David Howells | bf99a53 | 2017-11-02 15:27:51 +0000 | [diff] [blame] | 60 | enum { |
| 61 | YFS_SERVER_INDEX = 0, |
| 62 | YFS_SERVER_UUID = 1, |
| 63 | YFS_SERVER_ENDPOINT = 2, |
| 64 | }; |
| 65 | |
| 66 | enum { |
| 67 | YFS_ENDPOINT_IPV4 = 0, |
| 68 | YFS_ENDPOINT_IPV6 = 1, |
| 69 | }; |
| 70 | |
| 71 | #define YFS_MAXENDPOINTS 16 |
| 72 | |
David Howells | 08e0e7c | 2007-04-26 15:55:03 -0700 | [diff] [blame] | 73 | /* |
| 74 | * maps to "struct vldbentry" in vvl-spec.pdf |
| 75 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | struct afs_vldbentry { |
David Howells | 08e0e7c | 2007-04-26 15:55:03 -0700 | [diff] [blame] | 77 | char name[65]; /* name of volume (with NUL char) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
David Howells | 91a9038 | 2017-11-02 15:27:46 +0000 | [diff] [blame] | 93 | #define AFS_VLSF_NEWREPSITE 0x0001 /* Ignore all 'non-new' servers */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
David Howells | 91a9038 | 2017-11-02 15:27:46 +0000 | [diff] [blame] | 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 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | } servers[8]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | }; |
| 101 | |
David Howells | 91a9038 | 2017-11-02 15:27:46 +0000 | [diff] [blame] | 102 | #define AFS_VLDB_MAXNAMELEN 65 |
| 103 | |
David Howells | d2ddc77 | 2017-11-02 15:27:50 +0000 | [diff] [blame] | 104 | |
| 105 | struct 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 | |
| 116 | struct 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 | struct afs_address_list { |
| 138 | refcount_t usage; |
| 139 | unsigned int version; |
| 140 | unsigned int nr_addrs; |
| 141 | struct sockaddr_rxrpc addrs[]; |
| 142 | }; |
| 143 | |
| 144 | extern void afs_put_address_list(struct afs_address_list *alist); |
| 145 | |
David Howells | 08e0e7c | 2007-04-26 15:55:03 -0700 | [diff] [blame] | 146 | #endif /* AFS_VL_H */ |