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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 | /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * * Copyright (C) 2001, 2002 Cluster File Systems, Inc. * Copyright (C) 2001 Tacit Networks, Inc. * * This file is part of InterMezzo, http://www.inter-mezzo.org. * * InterMezzo is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public * License as published by the Free Software Foundation. * * InterMezzo is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with InterMezzo; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef __INTERMEZZO_IDL_H__ #define __INTERMEZZO_IDL_H__ #include <linux/ioctl.h> #include <linux/types.h> /* this file contains all data structures used in InterMezzo's interfaces: * - upcalls * - ioctl's * - KML records * - RCVD records * - rpc's */ /* UPCALL */ #define INTERMEZZO_MINOR 248 #define IZO_UPC_VERSION 0x00010002 #define IZO_UPC_PERMIT 1 #define IZO_UPC_CONNECT 2 #define IZO_UPC_GO_FETCH_KML 3 #define IZO_UPC_OPEN 4 #define IZO_UPC_REVOKE_PERMIT 5 #define IZO_UPC_KML 6 #define IZO_UPC_BACKFETCH 7 #define IZO_UPC_KML_TRUNC 8 #define IZO_UPC_SET_KMLSIZE 9 #define IZO_UPC_BRANCH_UNDO 10 #define IZO_UPC_BRANCH_REDO 11 #define IZO_UPC_GET_FILEID 12 #define IZO_UPC_CLIENT_MAKE_BRANCH 13 #define IZO_UPC_SERVER_MAKE_BRANCH 14 #define IZO_UPC_REPSTATUS 15 #define IZO_UPC_LARGEST_OPCODE 15 struct izo_upcall_hdr { __u32 u_len; __u32 u_version; __u32 u_opc; __u32 u_uniq; __u32 u_pid; __u32 u_uid; __u32 u_pathlen; __u32 u_fsetlen; __u64 u_offset; __u64 u_length; __u32 u_first_recno; __u32 u_last_recno; __u32 u_async; __u32 u_reclen; __u8 u_uuid[16]; }; /* This structure _must_ sit at the beginning of the buffer */ struct izo_upcall_resp { __u32 opcode; __u32 unique; __u32 result; }; /* IOCTL */ #define IZO_IOCTL_VERSION 0x00010003 /* maximum size supported for ioc_pbuf1 */ #define KML_MAX_BUF (64*1024) struct izo_ioctl_hdr { __u32 ioc_len; __u32 ioc_version; }; struct izo_ioctl_data { __u32 ioc_len; __u32 ioc_version; __u32 ioc_izodev; __u32 ioc_kmlrecno; __u64 ioc_kmlsize; __u32 ioc_flags; __s32 ioc_inofd; __u64 ioc_ino; __u64 ioc_generation; __u32 ioc_mark_what; __u32 ioc_and_flag; __u32 ioc_or_flag; __u32 ioc_dev; __u32 ioc_offset; __u32 ioc_slot; __u64 ioc_uid; __u8 ioc_uuid[16]; __u32 ioc_inllen1; /* path */ char *ioc_inlbuf1; __u32 ioc_inllen2; /* fileset */ char *ioc_inlbuf2; __u32 ioc_plen1; /* buffers in user space (KML) */ char *ioc_pbuf1; __u32 ioc_plen2; /* buffers in user space (KML) */ char *ioc_pbuf2; char ioc_bulk[0]; }; #define IZO_IOC_DEVICE _IOW ('p',0x50, void *) #define IZO_IOC_REINTKML _IOW ('p',0x51, void *) #define IZO_IOC_GET_RCVD _IOW ('p',0x52, void *) #define IZO_IOC_SET_IOCTL_UID _IOW ('p',0x53, void *) #define IZO_IOC_GET_KML_SIZE _IOW ('p',0x54, void *) #define IZO_IOC_PURGE_FILE_DATA _IOW ('p',0x55, void *) #define IZO_IOC_CONNECT _IOW ('p',0x56, void *) #define IZO_IOC_GO_FETCH_KML _IOW ('p',0x57, void *) #define IZO_IOC_MARK _IOW ('p',0x58, void *) #define IZO_IOC_CLEAR_FSET _IOW ('p',0x59, void *) #define IZO_IOC_CLEAR_ALL_FSETS _IOW ('p',0x60, void *) #define IZO_IOC_SET_FSET _IOW ('p',0x61, void *) #define IZO_IOC_REVOKE_PERMIT _IOW ('p',0x62, void *) #define IZO_IOC_SET_KMLSIZE _IOW ('p',0x63, void *) #define IZO_IOC_CLIENT_MAKE_BRANCH _IOW ('p',0x64, void *) #define IZO_IOC_SERVER_MAKE_BRANCH _IOW ('p',0x65, void *) #define IZO_IOC_BRANCH_UNDO _IOW ('p',0x66, void *) #define IZO_IOC_BRANCH_REDO _IOW ('p',0x67, void *) #define IZO_IOC_SET_PID _IOW ('p',0x68, void *) #define IZO_IOC_SET_CHANNEL _IOW ('p',0x69, void *) #define IZO_IOC_GET_CHANNEL _IOW ('p',0x70, void *) #define IZO_IOC_GET_FILEID _IOW ('p',0x71, void *) #define IZO_IOC_ADJUST_LML _IOW ('p',0x72, void *) #define IZO_IOC_SET_FILEID _IOW ('p',0x73, void *) #define IZO_IOC_REPSTATUS _IOW ('p',0x74, void *) /* marking flags for fsets */ #define FSET_CLIENT_RO 0x00000001 #define FSET_LENTO_RO 0x00000002 #define FSET_HASPERMIT 0x00000004 /* we have a permit to WB */ #define FSET_INSYNC 0x00000008 /* this fileset is in sync */ #define FSET_PERMIT_WAITING 0x00000010 /* Lento is waiting for permit */ #define FSET_STEAL_PERMIT 0x00000020 /* take permit if Lento is dead */ #define FSET_JCLOSE_ON_WRITE 0x00000040 /* Journal closes on writes */ #define FSET_DATA_ON_DEMAND 0x00000080 /* update data on file_open() */ #define FSET_PERMIT_EXCLUSIVE 0x00000100 /* only one permitholder allowed */ #define FSET_HAS_BRANCHES 0x00000200 /* this fileset contains branches */ #define FSET_IS_BRANCH 0x00000400 /* this fileset is a branch */ #define FSET_FLAT_BRANCH 0x00000800 /* this fileset is ROOT with branches */ /* what to mark indicator (ioctl parameter) */ #define MARK_DENTRY 101 #define MARK_FSET 102 #define MARK_CACHE 103 #define MARK_GETFL 104 /* KML */ #define KML_MAJOR_VERSION 0x00010000 #define KML_MINOR_VERSION 0x00000002 #define KML_OPCODE_NOOP 0 #define KML_OPCODE_CREATE 1 #define KML_OPCODE_MKDIR 2 #define KML_OPCODE_UNLINK 3 #define KML_OPCODE_RMDIR 4 #define KML_OPCODE_CLOSE 5 #define KML_OPCODE_SYMLINK 6 #define KML_OPCODE_RENAME 7 #define KML_OPCODE_SETATTR 8 #define KML_OPCODE_LINK 9 #define KML_OPCODE_OPEN 10 #define KML_OPCODE_MKNOD 11 #define KML_OPCODE_WRITE 12 #define KML_OPCODE_RELEASE 13 #define KML_OPCODE_TRUNC 14 #define KML_OPCODE_SETEXTATTR 15 #define KML_OPCODE_DELEXTATTR 16 #define KML_OPCODE_KML_TRUNC 17 #define KML_OPCODE_GET_FILEID 18 #define KML_OPCODE_NUM 19 /* new stuff */ struct presto_version { __u32 pv_mtime_sec; __u32 pv_mtime_nsec; __u32 pv_ctime_sec; __u32 pv_ctime_nsec; __u64 pv_size; }; struct kml_prefix_hdr { __u32 len; __u32 version; __u32 pid; __u32 auid; __u32 fsuid; __u32 fsgid; __u32 opcode; __u32 ngroups; }; struct kml_prefix { struct kml_prefix_hdr *hdr; __u32 *groups; }; struct kml_suffix { __u32 prevrec; __u32 recno; __u32 time; __u32 len; }; struct kml_rec { char *buf; struct kml_prefix prefix; __u64 offset; char *path; int pathlen; char *name; int namelen; char *target; int targetlen; struct presto_version *old_objectv; struct presto_version *new_objectv; struct presto_version *old_parentv; struct presto_version *new_parentv; struct presto_version *old_targetv; struct presto_version *new_targetv; __u32 valid; __u32 mode; __u32 uid; __u32 gid; __u64 size; __u32 mtime_sec; __u32 mtime_nsec; __u32 ctime_sec; __u32 ctime_nsec; __u32 flags; __u32 ino; __u32 rdev; __u32 major; __u32 minor; __u32 generation; __u32 old_mode; __u32 old_rdev; __u64 old_uid; __u64 old_gid; char *old_target; int old_targetlen; struct kml_suffix *suffix; }; /* RCVD */ /* izo_rcvd_rec fills the .intermezzo/fset/last_rcvd file and provides data about * our view of reintegration offsets for a given peer. * * The only exception is the last_rcvd record which has a UUID consisting of all * zeroes; this record's lr_local_offset field is the logical byte offset of our * KML, which is updated when KML truncation takes place. All other fields are * reserved. */ /* XXX - document how clean shutdowns are recorded */ struct izo_rcvd_rec { __u8 lr_uuid[16]; /* which peer? */ __u64 lr_remote_recno; /* last confirmed remote recno */ __u64 lr_remote_offset; /* last confirmed remote offset */ __u64 lr_local_recno; /* last locally reinted recno */ __u64 lr_local_offset; /* last locally reinted offset */ __u64 lr_last_ctime; /* the largest ctime that has reintegrated */ }; /* Cache purge database * * Each DB entry is this structure followed by the path name, no trailing NUL. */ struct izo_purge_entry { __u64 p_atime; __u32 p_pathlen; }; /* RPC */ #endif |