1 /* YFS protocol bits 2 * 3 * Copyright (C) 2018 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public Licence 8 * as published by the Free Software Foundation; either version 9 * 2 of the Licence, or (at your option) any later version. 10 */ 11 12 #define YFS_FS_SERVICE 2500 13 #define YFS_CM_SERVICE 2501 14 15 #define YFSCBMAX 1024 16 17 enum YFS_CM_Operations { 18 YFSCBProbe = 206, /* probe client */ 19 YFSCBGetLock = 207, /* get contents of CM lock table */ 20 YFSCBXStatsVersion = 209, /* get version of extended statistics */ 21 YFSCBGetXStats = 210, /* get contents of extended statistics data */ 22 YFSCBInitCallBackState3 = 213, /* initialise callback state, version 3 */ 23 YFSCBProbeUuid = 214, /* check the client hasn't rebooted */ 24 YFSCBGetServerPrefs = 215, 25 YFSCBGetCellServDV = 216, 26 YFSCBGetLocalCell = 217, 27 YFSCBGetCacheConfig = 218, 28 YFSCBGetCellByNum = 65537, 29 YFSCBTellMeAboutYourself = 65538, /* get client capabilities */ 30 YFSCBCallBack = 64204, 31 }; 32 33 enum YFS_FS_Operations { 34 YFSFETCHACL = 64131, /* YFS Fetch file ACL */ 35 YFSFETCHSTATUS = 64132, /* YFS Fetch file status */ 36 YFSSTOREACL = 64134, /* YFS Store file ACL */ 37 YFSSTORESTATUS = 64135, /* YFS Store file status */ 38 YFSREMOVEFILE = 64136, /* YFS Remove a file */ 39 YFSCREATEFILE = 64137, /* YFS Create a file */ 40 YFSRENAME = 64138, /* YFS Rename or move a file or directory */ 41 YFSSYMLINK = 64139, /* YFS Create a symbolic link */ 42 YFSLINK = 64140, /* YFS Create a hard link */ 43 YFSMAKEDIR = 64141, /* YFS Create a directory */ 44 YFSREMOVEDIR = 64142, /* YFS Remove a directory */ 45 YFSGETVOLUMESTATUS = 64149, /* YFS Get volume status information */ 46 YFSSETVOLUMESTATUS = 64150, /* YFS Set volume status information */ 47 YFSSETLOCK = 64156, /* YFS Request a file lock */ 48 YFSEXTENDLOCK = 64157, /* YFS Extend a file lock */ 49 YFSRELEASELOCK = 64158, /* YFS Release a file lock */ 50 YFSLOOKUP = 64161, /* YFS lookup file in directory */ 51 YFSFLUSHCPS = 64165, 52 YFSFETCHOPAQUEACL = 64168, 53 YFSWHOAMI = 64170, 54 YFSREMOVEACL = 64171, 55 YFSREMOVEFILE2 = 64173, 56 YFSSTOREOPAQUEACL2 = 64174, 57 YFSINLINEBULKSTATUS = 64536, /* YFS Fetch multiple file statuses with errors */ 58 YFSFETCHDATA64 = 64537, /* YFS Fetch file data */ 59 YFSSTOREDATA64 = 64538, /* YFS Store file data */ 60 YFSUPDATESYMLINK = 64540, 61 }; 62 63 struct yfs_xdr_u64 { 64 __be32 msw; 65 __be32 lsw; 66 } __packed; 67 68 static inline u64 xdr_to_u64(const struct yfs_xdr_u64 x) 69 { 70 return ((u64)ntohl(x.msw) << 32) | ntohl(x.lsw); 71 } 72 73 static inline struct yfs_xdr_u64 u64_to_xdr(const u64 x) 74 { 75 return (struct yfs_xdr_u64){ .msw = htonl(x >> 32), .lsw = htonl(x) }; 76 } 77 78 struct yfs_xdr_vnode { 79 struct yfs_xdr_u64 lo; 80 __be32 hi; 81 __be32 unique; 82 } __packed; 83 84 struct yfs_xdr_YFSFid { 85 struct yfs_xdr_u64 volume; 86 struct yfs_xdr_vnode vnode; 87 } __packed; 88 89 90 struct yfs_xdr_YFSFetchStatus { 91 __be32 type; 92 __be32 nlink; 93 struct yfs_xdr_u64 size; 94 struct yfs_xdr_u64 data_version; 95 struct yfs_xdr_u64 author; 96 struct yfs_xdr_u64 owner; 97 struct yfs_xdr_u64 group; 98 __be32 mode; 99 __be32 caller_access; 100 __be32 anon_access; 101 struct yfs_xdr_vnode parent; 102 __be32 data_access_protocol; 103 struct yfs_xdr_u64 mtime_client; 104 struct yfs_xdr_u64 mtime_server; 105 __be32 lock_count; 106 __be32 abort_code; 107 } __packed; 108 109 struct yfs_xdr_YFSCallBack { 110 __be32 version; 111 struct yfs_xdr_u64 expiration_time; 112 __be32 type; 113 } __packed; 114 115 struct yfs_xdr_YFSStoreStatus { 116 __be32 mask; 117 __be32 mode; 118 struct yfs_xdr_u64 mtime_client; 119 struct yfs_xdr_u64 owner; 120 struct yfs_xdr_u64 group; 121 } __packed; 122 123 struct yfs_xdr_RPCFlags { 124 __be32 rpc_flags; 125 } __packed; 126 127 struct yfs_xdr_YFSVolSync { 128 struct yfs_xdr_u64 vol_creation_date; 129 struct yfs_xdr_u64 vol_update_date; 130 struct yfs_xdr_u64 max_quota; 131 struct yfs_xdr_u64 blocks_in_use; 132 struct yfs_xdr_u64 blocks_avail; 133 } __packed; 134 135 enum yfs_volume_type { 136 yfs_volume_type_ro = 0, 137 yfs_volume_type_rw = 1, 138 }; 139 140 #define yfs_FVSOnline 0x1 141 #define yfs_FVSInservice 0x2 142 #define yfs_FVSBlessed 0x4 143 #define yfs_FVSNeedsSalvage 0x8 144 145 struct yfs_xdr_YFSFetchVolumeStatus { 146 struct yfs_xdr_u64 vid; 147 struct yfs_xdr_u64 parent_id; 148 __be32 flags; 149 __be32 type; 150 struct yfs_xdr_u64 max_quota; 151 struct yfs_xdr_u64 blocks_in_use; 152 struct yfs_xdr_u64 part_blocks_avail; 153 struct yfs_xdr_u64 part_max_blocks; 154 struct yfs_xdr_u64 vol_copy_date; 155 struct yfs_xdr_u64 vol_backup_date; 156 } __packed; 157 158 struct yfs_xdr_YFSStoreVolumeStatus { 159 __be32 mask; 160 struct yfs_xdr_u64 min_quota; 161 struct yfs_xdr_u64 max_quota; 162 struct yfs_xdr_u64 file_quota; 163 } __packed; 164 165 enum yfs_lock_type { 166 yfs_LockNone = -1, 167 yfs_LockRead = 0, 168 yfs_LockWrite = 1, 169 yfs_LockExtend = 2, 170 yfs_LockRelease = 3, 171 yfs_LockMandatoryRead = 0x100, 172 yfs_LockMandatoryWrite = 0x101, 173 yfs_LockMandatoryExtend = 0x102, 174 }; 175