1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef CEPH_RADOS_H 3 #define CEPH_RADOS_H 4 5 /* 6 * Data types for the Ceph distributed object storage layer RADOS 7 * (Reliable Autonomic Distributed Object Store). 8 */ 9 10 #include <linux/ceph/msgr.h> 11 12 /* 13 * fs id 14 */ 15 struct ceph_fsid { 16 unsigned char fsid[16]; 17 }; 18 19 static inline int ceph_fsid_compare(const struct ceph_fsid *a, 20 const struct ceph_fsid *b) 21 { 22 return memcmp(a, b, sizeof(*a)); 23 } 24 25 /* 26 * ino, object, etc. 27 */ 28 typedef __le64 ceph_snapid_t; 29 #define CEPH_SNAPDIR ((__u64)(-1)) /* reserved for hidden .snap dir */ 30 #define CEPH_NOSNAP ((__u64)(-2)) /* "head", "live" revision */ 31 #define CEPH_MAXSNAP ((__u64)(-3)) /* largest valid snapid */ 32 33 struct ceph_timespec { 34 __le32 tv_sec; 35 __le32 tv_nsec; 36 } __attribute__ ((packed)); 37 38 39 /* 40 * object layout - how objects are mapped into PGs 41 */ 42 #define CEPH_OBJECT_LAYOUT_HASH 1 43 #define CEPH_OBJECT_LAYOUT_LINEAR 2 44 #define CEPH_OBJECT_LAYOUT_HASHINO 3 45 46 /* 47 * pg layout -- how PGs are mapped onto (sets of) OSDs 48 */ 49 #define CEPH_PG_LAYOUT_CRUSH 0 50 #define CEPH_PG_LAYOUT_HASH 1 51 #define CEPH_PG_LAYOUT_LINEAR 2 52 #define CEPH_PG_LAYOUT_HYBRID 3 53 54 #define CEPH_PG_MAX_SIZE 32 /* max # osds in a single pg */ 55 56 /* 57 * placement group. 58 * we encode this into one __le64. 59 */ 60 struct ceph_pg_v1 { 61 __le16 preferred; /* preferred primary osd */ 62 __le16 ps; /* placement seed */ 63 __le32 pool; /* object pool */ 64 } __attribute__ ((packed)); 65 66 /* 67 * pg_pool is a set of pgs storing a pool of objects 68 * 69 * pg_num -- base number of pseudorandomly placed pgs 70 * 71 * pgp_num -- effective number when calculating pg placement. this 72 * is used for pg_num increases. new pgs result in data being "split" 73 * into new pgs. for this to proceed smoothly, new pgs are intiially 74 * colocated with their parents; that is, pgp_num doesn't increase 75 * until the new pgs have successfully split. only _then_ are the new 76 * pgs placed independently. 77 * 78 * lpg_num -- localized pg count (per device). replicas are randomly 79 * selected. 80 * 81 * lpgp_num -- as above. 82 */ 83 #define CEPH_NOPOOL ((__u64) (-1)) /* pool id not defined */ 84 85 #define CEPH_POOL_TYPE_REP 1 86 #define CEPH_POOL_TYPE_RAID4 2 /* never implemented */ 87 #define CEPH_POOL_TYPE_EC 3 88 89 /* 90 * stable_mod func is used to control number of placement groups. 91 * similar to straight-up modulo, but produces a stable mapping as b 92 * increases over time. b is the number of bins, and bmask is the 93 * containing power of 2 minus 1. 94 * 95 * b <= bmask and bmask=(2**n)-1 96 * e.g., b=12 -> bmask=15, b=123 -> bmask=127 97 */ 98 static inline int ceph_stable_mod(int x, int b, int bmask) 99 { 100 if ((x & bmask) < b) 101 return x & bmask; 102 else 103 return x & (bmask >> 1); 104 } 105 106 /* 107 * object layout - how a given object should be stored. 108 */ 109 struct ceph_object_layout { 110 struct ceph_pg_v1 ol_pgid; /* raw pg, with _full_ ps precision. */ 111 __le32 ol_stripe_unit; /* for per-object parity, if any */ 112 } __attribute__ ((packed)); 113 114 /* 115 * compound epoch+version, used by storage layer to serialize mutations 116 */ 117 struct ceph_eversion { 118 __le64 version; 119 __le32 epoch; 120 } __attribute__ ((packed)); 121 122 /* 123 * osd map bits 124 */ 125 126 /* status bits */ 127 #define CEPH_OSD_EXISTS (1<<0) 128 #define CEPH_OSD_UP (1<<1) 129 #define CEPH_OSD_AUTOOUT (1<<2) /* osd was automatically marked out */ 130 #define CEPH_OSD_NEW (1<<3) /* osd is new, never marked in */ 131 132 extern const char *ceph_osd_state_name(int s); 133 134 /* osd weights. fixed point value: 0x10000 == 1.0 ("in"), 0 == "out" */ 135 #define CEPH_OSD_IN 0x10000 136 #define CEPH_OSD_OUT 0 137 138 /* osd primary-affinity. fixed point value: 0x10000 == baseline */ 139 #define CEPH_OSD_MAX_PRIMARY_AFFINITY 0x10000 140 #define CEPH_OSD_DEFAULT_PRIMARY_AFFINITY 0x10000 141 142 143 /* 144 * osd map flag bits 145 */ 146 #define CEPH_OSDMAP_NEARFULL (1<<0) /* sync writes (near ENOSPC) */ 147 #define CEPH_OSDMAP_FULL (1<<1) /* no data writes (ENOSPC) */ 148 #define CEPH_OSDMAP_PAUSERD (1<<2) /* pause all reads */ 149 #define CEPH_OSDMAP_PAUSEWR (1<<3) /* pause all writes */ 150 #define CEPH_OSDMAP_PAUSEREC (1<<4) /* pause recovery */ 151 #define CEPH_OSDMAP_NOUP (1<<5) /* block osd boot */ 152 #define CEPH_OSDMAP_NODOWN (1<<6) /* block osd mark-down/failure */ 153 #define CEPH_OSDMAP_NOOUT (1<<7) /* block osd auto mark-out */ 154 #define CEPH_OSDMAP_NOIN (1<<8) /* block osd auto mark-in */ 155 #define CEPH_OSDMAP_NOBACKFILL (1<<9) /* block osd backfill */ 156 #define CEPH_OSDMAP_NORECOVER (1<<10) /* block osd recovery and backfill */ 157 #define CEPH_OSDMAP_NOSCRUB (1<<11) /* block periodic scrub */ 158 #define CEPH_OSDMAP_NODEEP_SCRUB (1<<12) /* block periodic deep-scrub */ 159 #define CEPH_OSDMAP_NOTIERAGENT (1<<13) /* disable tiering agent */ 160 #define CEPH_OSDMAP_NOREBALANCE (1<<14) /* block osd backfill unless pg is degraded */ 161 #define CEPH_OSDMAP_SORTBITWISE (1<<15) /* use bitwise hobject_t sort */ 162 #define CEPH_OSDMAP_REQUIRE_JEWEL (1<<16) /* require jewel for booting osds */ 163 #define CEPH_OSDMAP_REQUIRE_KRAKEN (1<<17) /* require kraken for booting osds */ 164 #define CEPH_OSDMAP_REQUIRE_LUMINOUS (1<<18) /* require l for booting osds */ 165 #define CEPH_OSDMAP_RECOVERY_DELETES (1<<19) /* deletes performed during recovery instead of peering */ 166 167 /* 168 * The error code to return when an OSD can't handle a write 169 * because it is too large. 170 */ 171 #define OSD_WRITETOOBIG EMSGSIZE 172 173 /* 174 * osd ops 175 * 176 * WARNING: do not use these op codes directly. Use the helpers 177 * defined below instead. In certain cases, op code behavior was 178 * redefined, resulting in special-cases in the helpers. 179 */ 180 #define CEPH_OSD_OP_MODE 0xf000 181 #define CEPH_OSD_OP_MODE_RD 0x1000 182 #define CEPH_OSD_OP_MODE_WR 0x2000 183 #define CEPH_OSD_OP_MODE_RMW 0x3000 184 #define CEPH_OSD_OP_MODE_SUB 0x4000 185 #define CEPH_OSD_OP_MODE_CACHE 0x8000 186 187 #define CEPH_OSD_OP_TYPE 0x0f00 188 #define CEPH_OSD_OP_TYPE_LOCK 0x0100 189 #define CEPH_OSD_OP_TYPE_DATA 0x0200 190 #define CEPH_OSD_OP_TYPE_ATTR 0x0300 191 #define CEPH_OSD_OP_TYPE_EXEC 0x0400 192 #define CEPH_OSD_OP_TYPE_PG 0x0500 193 #define CEPH_OSD_OP_TYPE_MULTI 0x0600 /* multiobject */ 194 195 #define __CEPH_OSD_OP1(mode, nr) \ 196 (CEPH_OSD_OP_MODE_##mode | (nr)) 197 198 #define __CEPH_OSD_OP(mode, type, nr) \ 199 (CEPH_OSD_OP_MODE_##mode | CEPH_OSD_OP_TYPE_##type | (nr)) 200 201 #define __CEPH_FORALL_OSD_OPS(f) \ 202 /** data **/ \ 203 /* read */ \ 204 f(READ, __CEPH_OSD_OP(RD, DATA, 1), "read") \ 205 f(STAT, __CEPH_OSD_OP(RD, DATA, 2), "stat") \ 206 f(MAPEXT, __CEPH_OSD_OP(RD, DATA, 3), "mapext") \ 207 \ 208 /* fancy read */ \ 209 f(MASKTRUNC, __CEPH_OSD_OP(RD, DATA, 4), "masktrunc") \ 210 f(SPARSE_READ, __CEPH_OSD_OP(RD, DATA, 5), "sparse-read") \ 211 \ 212 f(NOTIFY, __CEPH_OSD_OP(RD, DATA, 6), "notify") \ 213 f(NOTIFY_ACK, __CEPH_OSD_OP(RD, DATA, 7), "notify-ack") \ 214 \ 215 /* versioning */ \ 216 f(ASSERT_VER, __CEPH_OSD_OP(RD, DATA, 8), "assert-version") \ 217 \ 218 f(LIST_WATCHERS, __CEPH_OSD_OP(RD, DATA, 9), "list-watchers") \ 219 \ 220 f(LIST_SNAPS, __CEPH_OSD_OP(RD, DATA, 10), "list-snaps") \ 221 \ 222 /* sync */ \ 223 f(SYNC_READ, __CEPH_OSD_OP(RD, DATA, 11), "sync_read") \ 224 \ 225 /* write */ \ 226 f(WRITE, __CEPH_OSD_OP(WR, DATA, 1), "write") \ 227 f(WRITEFULL, __CEPH_OSD_OP(WR, DATA, 2), "writefull") \ 228 f(TRUNCATE, __CEPH_OSD_OP(WR, DATA, 3), "truncate") \ 229 f(ZERO, __CEPH_OSD_OP(WR, DATA, 4), "zero") \ 230 f(DELETE, __CEPH_OSD_OP(WR, DATA, 5), "delete") \ 231 \ 232 /* fancy write */ \ 233 f(APPEND, __CEPH_OSD_OP(WR, DATA, 6), "append") \ 234 f(SETTRUNC, __CEPH_OSD_OP(WR, DATA, 8), "settrunc") \ 235 f(TRIMTRUNC, __CEPH_OSD_OP(WR, DATA, 9), "trimtrunc") \ 236 \ 237 f(TMAPUP, __CEPH_OSD_OP(RMW, DATA, 10), "tmapup") \ 238 f(TMAPPUT, __CEPH_OSD_OP(WR, DATA, 11), "tmapput") \ 239 f(TMAPGET, __CEPH_OSD_OP(RD, DATA, 12), "tmapget") \ 240 \ 241 f(CREATE, __CEPH_OSD_OP(WR, DATA, 13), "create") \ 242 f(ROLLBACK, __CEPH_OSD_OP(WR, DATA, 14), "rollback") \ 243 \ 244 f(WATCH, __CEPH_OSD_OP(WR, DATA, 15), "watch") \ 245 \ 246 /* omap */ \ 247 f(OMAPGETKEYS, __CEPH_OSD_OP(RD, DATA, 17), "omap-get-keys") \ 248 f(OMAPGETVALS, __CEPH_OSD_OP(RD, DATA, 18), "omap-get-vals") \ 249 f(OMAPGETHEADER, __CEPH_OSD_OP(RD, DATA, 19), "omap-get-header") \ 250 f(OMAPGETVALSBYKEYS, __CEPH_OSD_OP(RD, DATA, 20), "omap-get-vals-by-keys") \ 251 f(OMAPSETVALS, __CEPH_OSD_OP(WR, DATA, 21), "omap-set-vals") \ 252 f(OMAPSETHEADER, __CEPH_OSD_OP(WR, DATA, 22), "omap-set-header") \ 253 f(OMAPCLEAR, __CEPH_OSD_OP(WR, DATA, 23), "omap-clear") \ 254 f(OMAPRMKEYS, __CEPH_OSD_OP(WR, DATA, 24), "omap-rm-keys") \ 255 f(OMAP_CMP, __CEPH_OSD_OP(RD, DATA, 25), "omap-cmp") \ 256 \ 257 /* tiering */ \ 258 f(COPY_FROM, __CEPH_OSD_OP(WR, DATA, 26), "copy-from") \ 259 f(COPY_FROM2, __CEPH_OSD_OP(WR, DATA, 45), "copy-from2") \ 260 f(COPY_GET_CLASSIC, __CEPH_OSD_OP(RD, DATA, 27), "copy-get-classic") \ 261 f(UNDIRTY, __CEPH_OSD_OP(WR, DATA, 28), "undirty") \ 262 f(ISDIRTY, __CEPH_OSD_OP(RD, DATA, 29), "isdirty") \ 263 f(COPY_GET, __CEPH_OSD_OP(RD, DATA, 30), "copy-get") \ 264 f(CACHE_FLUSH, __CEPH_OSD_OP(CACHE, DATA, 31), "cache-flush") \ 265 f(CACHE_EVICT, __CEPH_OSD_OP(CACHE, DATA, 32), "cache-evict") \ 266 f(CACHE_TRY_FLUSH, __CEPH_OSD_OP(CACHE, DATA, 33), "cache-try-flush") \ 267 \ 268 /* convert tmap to omap */ \ 269 f(TMAP2OMAP, __CEPH_OSD_OP(RMW, DATA, 34), "tmap2omap") \ 270 \ 271 /* hints */ \ 272 f(SETALLOCHINT, __CEPH_OSD_OP(WR, DATA, 35), "set-alloc-hint") \ 273 \ 274 /** multi **/ \ 275 f(CLONERANGE, __CEPH_OSD_OP(WR, MULTI, 1), "clonerange") \ 276 f(ASSERT_SRC_VERSION, __CEPH_OSD_OP(RD, MULTI, 2), "assert-src-version") \ 277 f(SRC_CMPXATTR, __CEPH_OSD_OP(RD, MULTI, 3), "src-cmpxattr") \ 278 \ 279 /** attrs **/ \ 280 /* read */ \ 281 f(GETXATTR, __CEPH_OSD_OP(RD, ATTR, 1), "getxattr") \ 282 f(GETXATTRS, __CEPH_OSD_OP(RD, ATTR, 2), "getxattrs") \ 283 f(CMPXATTR, __CEPH_OSD_OP(RD, ATTR, 3), "cmpxattr") \ 284 \ 285 /* write */ \ 286 f(SETXATTR, __CEPH_OSD_OP(WR, ATTR, 1), "setxattr") \ 287 f(SETXATTRS, __CEPH_OSD_OP(WR, ATTR, 2), "setxattrs") \ 288 f(RESETXATTRS, __CEPH_OSD_OP(WR, ATTR, 3), "resetxattrs") \ 289 f(RMXATTR, __CEPH_OSD_OP(WR, ATTR, 4), "rmxattr") \ 290 \ 291 /** subop **/ \ 292 f(PULL, __CEPH_OSD_OP1(SUB, 1), "pull") \ 293 f(PUSH, __CEPH_OSD_OP1(SUB, 2), "push") \ 294 f(BALANCEREADS, __CEPH_OSD_OP1(SUB, 3), "balance-reads") \ 295 f(UNBALANCEREADS, __CEPH_OSD_OP1(SUB, 4), "unbalance-reads") \ 296 f(SCRUB, __CEPH_OSD_OP1(SUB, 5), "scrub") \ 297 f(SCRUB_RESERVE, __CEPH_OSD_OP1(SUB, 6), "scrub-reserve") \ 298 f(SCRUB_UNRESERVE, __CEPH_OSD_OP1(SUB, 7), "scrub-unreserve") \ 299 f(SCRUB_STOP, __CEPH_OSD_OP1(SUB, 8), "scrub-stop") \ 300 f(SCRUB_MAP, __CEPH_OSD_OP1(SUB, 9), "scrub-map") \ 301 \ 302 /** lock **/ \ 303 f(WRLOCK, __CEPH_OSD_OP(WR, LOCK, 1), "wrlock") \ 304 f(WRUNLOCK, __CEPH_OSD_OP(WR, LOCK, 2), "wrunlock") \ 305 f(RDLOCK, __CEPH_OSD_OP(WR, LOCK, 3), "rdlock") \ 306 f(RDUNLOCK, __CEPH_OSD_OP(WR, LOCK, 4), "rdunlock") \ 307 f(UPLOCK, __CEPH_OSD_OP(WR, LOCK, 5), "uplock") \ 308 f(DNLOCK, __CEPH_OSD_OP(WR, LOCK, 6), "dnlock") \ 309 \ 310 /** exec **/ \ 311 /* note: the RD bit here is wrong; see special-case below in helper */ \ 312 f(CALL, __CEPH_OSD_OP(RD, EXEC, 1), "call") \ 313 \ 314 /** pg **/ \ 315 f(PGLS, __CEPH_OSD_OP(RD, PG, 1), "pgls") \ 316 f(PGLS_FILTER, __CEPH_OSD_OP(RD, PG, 2), "pgls-filter") \ 317 f(PG_HITSET_LS, __CEPH_OSD_OP(RD, PG, 3), "pg-hitset-ls") \ 318 f(PG_HITSET_GET, __CEPH_OSD_OP(RD, PG, 4), "pg-hitset-get") 319 320 enum { 321 #define GENERATE_ENUM_ENTRY(op, opcode, str) CEPH_OSD_OP_##op = (opcode), 322 __CEPH_FORALL_OSD_OPS(GENERATE_ENUM_ENTRY) 323 #undef GENERATE_ENUM_ENTRY 324 }; 325 326 static inline int ceph_osd_op_type_lock(int op) 327 { 328 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_LOCK; 329 } 330 static inline int ceph_osd_op_type_data(int op) 331 { 332 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_DATA; 333 } 334 static inline int ceph_osd_op_type_attr(int op) 335 { 336 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_ATTR; 337 } 338 static inline int ceph_osd_op_type_exec(int op) 339 { 340 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_EXEC; 341 } 342 static inline int ceph_osd_op_type_pg(int op) 343 { 344 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_PG; 345 } 346 static inline int ceph_osd_op_type_multi(int op) 347 { 348 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_MULTI; 349 } 350 351 static inline int ceph_osd_op_mode_subop(int op) 352 { 353 return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_SUB; 354 } 355 static inline int ceph_osd_op_mode_read(int op) 356 { 357 return (op & CEPH_OSD_OP_MODE_RD) && 358 op != CEPH_OSD_OP_CALL; 359 } 360 static inline int ceph_osd_op_mode_modify(int op) 361 { 362 return op & CEPH_OSD_OP_MODE_WR; 363 } 364 365 /* 366 * note that the following tmap stuff is also defined in the ceph librados.h 367 * any modification here needs to be updated there 368 */ 369 #define CEPH_OSD_TMAP_HDR 'h' 370 #define CEPH_OSD_TMAP_SET 's' 371 #define CEPH_OSD_TMAP_CREATE 'c' /* create key */ 372 #define CEPH_OSD_TMAP_RM 'r' 373 #define CEPH_OSD_TMAP_RMSLOPPY 'R' 374 375 extern const char *ceph_osd_op_name(int op); 376 377 /* 378 * osd op flags 379 * 380 * An op may be READ, WRITE, or READ|WRITE. 381 */ 382 enum { 383 CEPH_OSD_FLAG_ACK = 0x0001, /* want (or is) "ack" ack */ 384 CEPH_OSD_FLAG_ONNVRAM = 0x0002, /* want (or is) "onnvram" ack */ 385 CEPH_OSD_FLAG_ONDISK = 0x0004, /* want (or is) "ondisk" ack */ 386 CEPH_OSD_FLAG_RETRY = 0x0008, /* resend attempt */ 387 CEPH_OSD_FLAG_READ = 0x0010, /* op may read */ 388 CEPH_OSD_FLAG_WRITE = 0x0020, /* op may write */ 389 CEPH_OSD_FLAG_ORDERSNAP = 0x0040, /* EOLDSNAP if snapc is out of order */ 390 CEPH_OSD_FLAG_PEERSTAT_OLD = 0x0080, /* DEPRECATED msg includes osd_peer_stat */ 391 CEPH_OSD_FLAG_BALANCE_READS = 0x0100, 392 CEPH_OSD_FLAG_PARALLELEXEC = 0x0200, /* execute op in parallel */ 393 CEPH_OSD_FLAG_PGOP = 0x0400, /* pg op, no object */ 394 CEPH_OSD_FLAG_EXEC = 0x0800, /* op may exec */ 395 CEPH_OSD_FLAG_EXEC_PUBLIC = 0x1000, /* DEPRECATED op may exec (public) */ 396 CEPH_OSD_FLAG_LOCALIZE_READS = 0x2000, /* read from nearby replica, if any */ 397 CEPH_OSD_FLAG_RWORDERED = 0x4000, /* order wrt concurrent reads */ 398 CEPH_OSD_FLAG_IGNORE_CACHE = 0x8000, /* ignore cache logic */ 399 CEPH_OSD_FLAG_SKIPRWLOCKS = 0x10000, /* skip rw locks */ 400 CEPH_OSD_FLAG_IGNORE_OVERLAY = 0x20000, /* ignore pool overlay */ 401 CEPH_OSD_FLAG_FLUSH = 0x40000, /* this is part of flush */ 402 CEPH_OSD_FLAG_MAP_SNAP_CLONE = 0x80000, /* map snap direct to clone id */ 403 CEPH_OSD_FLAG_ENFORCE_SNAPC = 0x100000, /* use snapc provided even if 404 pool uses pool snaps */ 405 CEPH_OSD_FLAG_REDIRECTED = 0x200000, /* op has been redirected */ 406 CEPH_OSD_FLAG_KNOWN_REDIR = 0x400000, /* redirect bit is authoritative */ 407 CEPH_OSD_FLAG_FULL_TRY = 0x800000, /* try op despite full flag */ 408 CEPH_OSD_FLAG_FULL_FORCE = 0x1000000, /* force op despite full flag */ 409 }; 410 411 enum { 412 CEPH_OSD_OP_FLAG_EXCL = 1, /* EXCL object create */ 413 CEPH_OSD_OP_FLAG_FAILOK = 2, /* continue despite failure */ 414 CEPH_OSD_OP_FLAG_FADVISE_RANDOM = 0x4, /* the op is random */ 415 CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL = 0x8, /* the op is sequential */ 416 CEPH_OSD_OP_FLAG_FADVISE_WILLNEED = 0x10,/* data will be accessed in 417 the near future */ 418 CEPH_OSD_OP_FLAG_FADVISE_DONTNEED = 0x20,/* data will not be accessed 419 in the near future */ 420 CEPH_OSD_OP_FLAG_FADVISE_NOCACHE = 0x40,/* data will be accessed only 421 once by this client */ 422 }; 423 424 #define EOLDSNAPC ERESTART /* ORDERSNAP flag set; writer has old snapc*/ 425 #define EBLACKLISTED ESHUTDOWN /* blacklisted */ 426 427 /* xattr comparison */ 428 enum { 429 CEPH_OSD_CMPXATTR_OP_NOP = 0, 430 CEPH_OSD_CMPXATTR_OP_EQ = 1, 431 CEPH_OSD_CMPXATTR_OP_NE = 2, 432 CEPH_OSD_CMPXATTR_OP_GT = 3, 433 CEPH_OSD_CMPXATTR_OP_GTE = 4, 434 CEPH_OSD_CMPXATTR_OP_LT = 5, 435 CEPH_OSD_CMPXATTR_OP_LTE = 6 436 }; 437 438 enum { 439 CEPH_OSD_CMPXATTR_MODE_STRING = 1, 440 CEPH_OSD_CMPXATTR_MODE_U64 = 2 441 }; 442 443 enum { 444 CEPH_OSD_COPY_FROM_FLAG_FLUSH = 1, /* part of a flush operation */ 445 CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY = 2, /* ignore pool overlay */ 446 CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE = 4, /* ignore osd cache logic */ 447 CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE = 8, /* map snap direct to 448 * cloneid */ 449 CEPH_OSD_COPY_FROM_FLAG_RWORDERED = 16, /* order with write */ 450 CEPH_OSD_COPY_FROM_FLAG_TRUNCATE_SEQ = 32, /* send truncate_{seq,size} */ 451 }; 452 453 enum { 454 CEPH_OSD_WATCH_OP_UNWATCH = 0, 455 CEPH_OSD_WATCH_OP_LEGACY_WATCH = 1, 456 /* note: use only ODD ids to prevent pre-giant code from 457 interpreting the op as UNWATCH */ 458 CEPH_OSD_WATCH_OP_WATCH = 3, 459 CEPH_OSD_WATCH_OP_RECONNECT = 5, 460 CEPH_OSD_WATCH_OP_PING = 7, 461 }; 462 463 const char *ceph_osd_watch_op_name(int o); 464 465 enum { 466 CEPH_OSD_BACKOFF_OP_BLOCK = 1, 467 CEPH_OSD_BACKOFF_OP_ACK_BLOCK = 2, 468 CEPH_OSD_BACKOFF_OP_UNBLOCK = 3, 469 }; 470 471 /* 472 * an individual object operation. each may be accompanied by some data 473 * payload 474 */ 475 struct ceph_osd_op { 476 __le16 op; /* CEPH_OSD_OP_* */ 477 __le32 flags; /* CEPH_OSD_OP_FLAG_* */ 478 union { 479 struct { 480 __le64 offset, length; 481 __le64 truncate_size; 482 __le32 truncate_seq; 483 } __attribute__ ((packed)) extent; 484 struct { 485 __le32 name_len; 486 __le32 value_len; 487 __u8 cmp_op; /* CEPH_OSD_CMPXATTR_OP_* */ 488 __u8 cmp_mode; /* CEPH_OSD_CMPXATTR_MODE_* */ 489 } __attribute__ ((packed)) xattr; 490 struct { 491 __u8 class_len; 492 __u8 method_len; 493 __u8 argc; 494 __le32 indata_len; 495 } __attribute__ ((packed)) cls; 496 struct { 497 __le64 cookie, count; 498 } __attribute__ ((packed)) pgls; 499 struct { 500 __le64 snapid; 501 } __attribute__ ((packed)) snap; 502 struct { 503 __le64 cookie; 504 __le64 ver; /* no longer used */ 505 __u8 op; /* CEPH_OSD_WATCH_OP_* */ 506 __le32 gen; /* registration generation */ 507 } __attribute__ ((packed)) watch; 508 struct { 509 __le64 cookie; 510 } __attribute__ ((packed)) notify; 511 struct { 512 __le64 offset, length; 513 __le64 src_offset; 514 } __attribute__ ((packed)) clonerange; 515 struct { 516 __le64 expected_object_size; 517 __le64 expected_write_size; 518 } __attribute__ ((packed)) alloc_hint; 519 struct { 520 __le64 snapid; 521 __le64 src_version; 522 __u8 flags; /* CEPH_OSD_COPY_FROM_FLAG_* */ 523 /* 524 * CEPH_OSD_OP_FLAG_FADVISE_*: fadvise flags 525 * for src object, flags for dest object are in 526 * ceph_osd_op::flags. 527 */ 528 __le32 src_fadvise_flags; 529 } __attribute__ ((packed)) copy_from; 530 }; 531 __le32 payload_len; 532 } __attribute__ ((packed)); 533 534 535 #endif 536