1
2#ifndef CEPH_RADOS_H
3#define CEPH_RADOS_H
4
5
6
7
8
9
10#include <linux/ceph/msgr.h>
11
12
13
14
15struct ceph_fsid {
16 unsigned char fsid[16];
17};
18
19static 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
27
28typedef __le64 ceph_snapid_t;
29#define CEPH_SNAPDIR ((__u64)(-1))
30#define CEPH_NOSNAP ((__u64)(-2))
31#define CEPH_MAXSNAP ((__u64)(-3))
32
33struct ceph_timespec {
34 __le32 tv_sec;
35 __le32 tv_nsec;
36} __attribute__ ((packed));
37
38
39
40
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
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
55
56
57
58
59
60struct ceph_pg_v1 {
61 __le16 preferred;
62 __le16 ps;
63 __le32 pool;
64} __attribute__ ((packed));
65
66
67
68
69
70
71
72
73
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75
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77
78
79
80
81
82
83#define CEPH_NOPOOL ((__u64) (-1))
84
85#define CEPH_POOL_TYPE_REP 1
86#define CEPH_POOL_TYPE_RAID4 2
87#define CEPH_POOL_TYPE_EC 3
88
89
90
91
92
93
94
95
96
97
98static 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
108
109struct ceph_object_layout {
110 struct ceph_pg_v1 ol_pgid;
111 __le32 ol_stripe_unit;
112} __attribute__ ((packed));
113
114
115
116
117struct ceph_eversion {
118 __le64 version;
119 __le32 epoch;
120} __attribute__ ((packed));
121
122
123
124
125
126
127#define CEPH_OSD_EXISTS (1<<0)
128#define CEPH_OSD_UP (1<<1)
129#define CEPH_OSD_AUTOOUT (1<<2)
130#define CEPH_OSD_NEW (1<<3)
131
132extern const char *ceph_osd_state_name(int s);
133
134
135#define CEPH_OSD_IN 0x10000
136#define CEPH_OSD_OUT 0
137
138
139#define CEPH_OSD_MAX_PRIMARY_AFFINITY 0x10000
140#define CEPH_OSD_DEFAULT_PRIMARY_AFFINITY 0x10000
141
142
143
144
145
146#define CEPH_OSDMAP_NEARFULL (1<<0)
147
148#define CEPH_OSDMAP_FULL (1<<1)
149
150#define CEPH_OSDMAP_PAUSERD (1<<2)
151#define CEPH_OSDMAP_PAUSEWR (1<<3)
152#define CEPH_OSDMAP_PAUSEREC (1<<4)
153#define CEPH_OSDMAP_NOUP (1<<5)
154#define CEPH_OSDMAP_NODOWN (1<<6)
155#define CEPH_OSDMAP_NOOUT (1<<7)
156#define CEPH_OSDMAP_NOIN (1<<8)
157#define CEPH_OSDMAP_NOBACKFILL (1<<9)
158#define CEPH_OSDMAP_NORECOVER (1<<10)
159#define CEPH_OSDMAP_NOSCRUB (1<<11)
160#define CEPH_OSDMAP_NODEEP_SCRUB (1<<12)
161#define CEPH_OSDMAP_NOTIERAGENT (1<<13)
162#define CEPH_OSDMAP_NOREBALANCE (1<<14)
163#define CEPH_OSDMAP_SORTBITWISE (1<<15)
164#define CEPH_OSDMAP_REQUIRE_JEWEL (1<<16)
165#define CEPH_OSDMAP_REQUIRE_KRAKEN (1<<17)
166#define CEPH_OSDMAP_REQUIRE_LUMINOUS (1<<18)
167#define CEPH_OSDMAP_RECOVERY_DELETES (1<<19)
168
169
170
171
172
173#define OSD_WRITETOOBIG EMSGSIZE
174
175
176
177
178
179
180
181
182#define CEPH_OSD_OP_MODE 0xf000
183#define CEPH_OSD_OP_MODE_RD 0x1000
184#define CEPH_OSD_OP_MODE_WR 0x2000
185#define CEPH_OSD_OP_MODE_RMW 0x3000
186#define CEPH_OSD_OP_MODE_SUB 0x4000
187#define CEPH_OSD_OP_MODE_CACHE 0x8000
188
189#define CEPH_OSD_OP_TYPE 0x0f00
190#define CEPH_OSD_OP_TYPE_LOCK 0x0100
191#define CEPH_OSD_OP_TYPE_DATA 0x0200
192#define CEPH_OSD_OP_TYPE_ATTR 0x0300
193#define CEPH_OSD_OP_TYPE_EXEC 0x0400
194#define CEPH_OSD_OP_TYPE_PG 0x0500
195#define CEPH_OSD_OP_TYPE_MULTI 0x0600
196
197#define __CEPH_OSD_OP1(mode, nr) \
198 (CEPH_OSD_OP_MODE_##mode | (nr))
199
200#define __CEPH_OSD_OP(mode, type, nr) \
201 (CEPH_OSD_OP_MODE_##mode | CEPH_OSD_OP_TYPE_##type | (nr))
202
203#define __CEPH_FORALL_OSD_OPS(f) \
204 \
205 \
206 f(READ, __CEPH_OSD_OP(RD, DATA, 1), "read") \
207 f(STAT, __CEPH_OSD_OP(RD, DATA, 2), "stat") \
208 f(MAPEXT, __CEPH_OSD_OP(RD, DATA, 3), "mapext") \
209 \
210 \
211 f(MASKTRUNC, __CEPH_OSD_OP(RD, DATA, 4), "masktrunc") \
212 f(SPARSE_READ, __CEPH_OSD_OP(RD, DATA, 5), "sparse-read") \
213 \
214 f(NOTIFY, __CEPH_OSD_OP(RD, DATA, 6), "notify") \
215 f(NOTIFY_ACK, __CEPH_OSD_OP(RD, DATA, 7), "notify-ack") \
216 \
217 \
218 f(ASSERT_VER, __CEPH_OSD_OP(RD, DATA, 8), "assert-version") \
219 \
220 f(LIST_WATCHERS, __CEPH_OSD_OP(RD, DATA, 9), "list-watchers") \
221 \
222 f(LIST_SNAPS, __CEPH_OSD_OP(RD, DATA, 10), "list-snaps") \
223 \
224 \
225 f(SYNC_READ, __CEPH_OSD_OP(RD, DATA, 11), "sync_read") \
226 \
227 \
228 f(WRITE, __CEPH_OSD_OP(WR, DATA, 1), "write") \
229 f(WRITEFULL, __CEPH_OSD_OP(WR, DATA, 2), "writefull") \
230 f(TRUNCATE, __CEPH_OSD_OP(WR, DATA, 3), "truncate") \
231 f(ZERO, __CEPH_OSD_OP(WR, DATA, 4), "zero") \
232 f(DELETE, __CEPH_OSD_OP(WR, DATA, 5), "delete") \
233 \
234 \
235 f(APPEND, __CEPH_OSD_OP(WR, DATA, 6), "append") \
236 f(SETTRUNC, __CEPH_OSD_OP(WR, DATA, 8), "settrunc") \
237 f(TRIMTRUNC, __CEPH_OSD_OP(WR, DATA, 9), "trimtrunc") \
238 \
239 f(TMAPUP, __CEPH_OSD_OP(RMW, DATA, 10), "tmapup") \
240 f(TMAPPUT, __CEPH_OSD_OP(WR, DATA, 11), "tmapput") \
241 f(TMAPGET, __CEPH_OSD_OP(RD, DATA, 12), "tmapget") \
242 \
243 f(CREATE, __CEPH_OSD_OP(WR, DATA, 13), "create") \
244 f(ROLLBACK, __CEPH_OSD_OP(WR, DATA, 14), "rollback") \
245 \
246 f(WATCH, __CEPH_OSD_OP(WR, DATA, 15), "watch") \
247 \
248 \
249 f(OMAPGETKEYS, __CEPH_OSD_OP(RD, DATA, 17), "omap-get-keys") \
250 f(OMAPGETVALS, __CEPH_OSD_OP(RD, DATA, 18), "omap-get-vals") \
251 f(OMAPGETHEADER, __CEPH_OSD_OP(RD, DATA, 19), "omap-get-header") \
252 f(OMAPGETVALSBYKEYS, __CEPH_OSD_OP(RD, DATA, 20), "omap-get-vals-by-keys") \
253 f(OMAPSETVALS, __CEPH_OSD_OP(WR, DATA, 21), "omap-set-vals") \
254 f(OMAPSETHEADER, __CEPH_OSD_OP(WR, DATA, 22), "omap-set-header") \
255 f(OMAPCLEAR, __CEPH_OSD_OP(WR, DATA, 23), "omap-clear") \
256 f(OMAPRMKEYS, __CEPH_OSD_OP(WR, DATA, 24), "omap-rm-keys") \
257 f(OMAP_CMP, __CEPH_OSD_OP(RD, DATA, 25), "omap-cmp") \
258 \
259 \
260 f(COPY_FROM, __CEPH_OSD_OP(WR, DATA, 26), "copy-from") \
261 f(COPY_FROM2, __CEPH_OSD_OP(WR, DATA, 45), "copy-from2") \
262 f(COPY_GET_CLASSIC, __CEPH_OSD_OP(RD, DATA, 27), "copy-get-classic") \
263 f(UNDIRTY, __CEPH_OSD_OP(WR, DATA, 28), "undirty") \
264 f(ISDIRTY, __CEPH_OSD_OP(RD, DATA, 29), "isdirty") \
265 f(COPY_GET, __CEPH_OSD_OP(RD, DATA, 30), "copy-get") \
266 f(CACHE_FLUSH, __CEPH_OSD_OP(CACHE, DATA, 31), "cache-flush") \
267 f(CACHE_EVICT, __CEPH_OSD_OP(CACHE, DATA, 32), "cache-evict") \
268 f(CACHE_TRY_FLUSH, __CEPH_OSD_OP(CACHE, DATA, 33), "cache-try-flush") \
269 \
270 \
271 f(TMAP2OMAP, __CEPH_OSD_OP(RMW, DATA, 34), "tmap2omap") \
272 \
273 \
274 f(SETALLOCHINT, __CEPH_OSD_OP(WR, DATA, 35), "set-alloc-hint") \
275 \
276 \
277 f(CLONERANGE, __CEPH_OSD_OP(WR, MULTI, 1), "clonerange") \
278 f(ASSERT_SRC_VERSION, __CEPH_OSD_OP(RD, MULTI, 2), "assert-src-version") \
279 f(SRC_CMPXATTR, __CEPH_OSD_OP(RD, MULTI, 3), "src-cmpxattr") \
280 \
281 \
282 \
283 f(GETXATTR, __CEPH_OSD_OP(RD, ATTR, 1), "getxattr") \
284 f(GETXATTRS, __CEPH_OSD_OP(RD, ATTR, 2), "getxattrs") \
285 f(CMPXATTR, __CEPH_OSD_OP(RD, ATTR, 3), "cmpxattr") \
286 \
287 \
288 f(SETXATTR, __CEPH_OSD_OP(WR, ATTR, 1), "setxattr") \
289 f(SETXATTRS, __CEPH_OSD_OP(WR, ATTR, 2), "setxattrs") \
290 f(RESETXATTRS, __CEPH_OSD_OP(WR, ATTR, 3), "resetxattrs") \
291 f(RMXATTR, __CEPH_OSD_OP(WR, ATTR, 4), "rmxattr") \
292 \
293 \
294 f(PULL, __CEPH_OSD_OP1(SUB, 1), "pull") \
295 f(PUSH, __CEPH_OSD_OP1(SUB, 2), "push") \
296 f(BALANCEREADS, __CEPH_OSD_OP1(SUB, 3), "balance-reads") \
297 f(UNBALANCEREADS, __CEPH_OSD_OP1(SUB, 4), "unbalance-reads") \
298 f(SCRUB, __CEPH_OSD_OP1(SUB, 5), "scrub") \
299 f(SCRUB_RESERVE, __CEPH_OSD_OP1(SUB, 6), "scrub-reserve") \
300 f(SCRUB_UNRESERVE, __CEPH_OSD_OP1(SUB, 7), "scrub-unreserve") \
301 f(SCRUB_STOP, __CEPH_OSD_OP1(SUB, 8), "scrub-stop") \
302 f(SCRUB_MAP, __CEPH_OSD_OP1(SUB, 9), "scrub-map") \
303 \
304 \
305 f(WRLOCK, __CEPH_OSD_OP(WR, LOCK, 1), "wrlock") \
306 f(WRUNLOCK, __CEPH_OSD_OP(WR, LOCK, 2), "wrunlock") \
307 f(RDLOCK, __CEPH_OSD_OP(WR, LOCK, 3), "rdlock") \
308 f(RDUNLOCK, __CEPH_OSD_OP(WR, LOCK, 4), "rdunlock") \
309 f(UPLOCK, __CEPH_OSD_OP(WR, LOCK, 5), "uplock") \
310 f(DNLOCK, __CEPH_OSD_OP(WR, LOCK, 6), "dnlock") \
311 \
312 \
313 \
314 f(CALL, __CEPH_OSD_OP(RD, EXEC, 1), "call") \
315 \
316 \
317 f(PGLS, __CEPH_OSD_OP(RD, PG, 1), "pgls") \
318 f(PGLS_FILTER, __CEPH_OSD_OP(RD, PG, 2), "pgls-filter") \
319 f(PG_HITSET_LS, __CEPH_OSD_OP(RD, PG, 3), "pg-hitset-ls") \
320 f(PG_HITSET_GET, __CEPH_OSD_OP(RD, PG, 4), "pg-hitset-get")
321
322enum {
323#define GENERATE_ENUM_ENTRY(op, opcode, str) CEPH_OSD_OP_##op = (opcode),
324__CEPH_FORALL_OSD_OPS(GENERATE_ENUM_ENTRY)
325#undef GENERATE_ENUM_ENTRY
326};
327
328static inline int ceph_osd_op_type_lock(int op)
329{
330 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_LOCK;
331}
332static inline int ceph_osd_op_type_data(int op)
333{
334 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_DATA;
335}
336static inline int ceph_osd_op_type_attr(int op)
337{
338 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_ATTR;
339}
340static inline int ceph_osd_op_type_exec(int op)
341{
342 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_EXEC;
343}
344static inline int ceph_osd_op_type_pg(int op)
345{
346 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_PG;
347}
348static inline int ceph_osd_op_type_multi(int op)
349{
350 return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_MULTI;
351}
352
353static inline int ceph_osd_op_mode_subop(int op)
354{
355 return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_SUB;
356}
357static inline int ceph_osd_op_mode_read(int op)
358{
359 return (op & CEPH_OSD_OP_MODE_RD) &&
360 op != CEPH_OSD_OP_CALL;
361}
362static inline int ceph_osd_op_mode_modify(int op)
363{
364 return op & CEPH_OSD_OP_MODE_WR;
365}
366
367
368
369
370
371#define CEPH_OSD_TMAP_HDR 'h'
372#define CEPH_OSD_TMAP_SET 's'
373#define CEPH_OSD_TMAP_CREATE 'c'
374#define CEPH_OSD_TMAP_RM 'r'
375#define CEPH_OSD_TMAP_RMSLOPPY 'R'
376
377extern const char *ceph_osd_op_name(int op);
378
379
380
381
382
383
384enum {
385 CEPH_OSD_FLAG_ACK = 0x0001,
386 CEPH_OSD_FLAG_ONNVRAM = 0x0002,
387 CEPH_OSD_FLAG_ONDISK = 0x0004,
388 CEPH_OSD_FLAG_RETRY = 0x0008,
389 CEPH_OSD_FLAG_READ = 0x0010,
390 CEPH_OSD_FLAG_WRITE = 0x0020,
391 CEPH_OSD_FLAG_ORDERSNAP = 0x0040,
392 CEPH_OSD_FLAG_PEERSTAT_OLD = 0x0080,
393 CEPH_OSD_FLAG_BALANCE_READS = 0x0100,
394 CEPH_OSD_FLAG_PARALLELEXEC = 0x0200,
395 CEPH_OSD_FLAG_PGOP = 0x0400,
396 CEPH_OSD_FLAG_EXEC = 0x0800,
397 CEPH_OSD_FLAG_EXEC_PUBLIC = 0x1000,
398 CEPH_OSD_FLAG_LOCALIZE_READS = 0x2000,
399 CEPH_OSD_FLAG_RWORDERED = 0x4000,
400 CEPH_OSD_FLAG_IGNORE_CACHE = 0x8000,
401 CEPH_OSD_FLAG_SKIPRWLOCKS = 0x10000,
402 CEPH_OSD_FLAG_IGNORE_OVERLAY = 0x20000,
403 CEPH_OSD_FLAG_FLUSH = 0x40000,
404 CEPH_OSD_FLAG_MAP_SNAP_CLONE = 0x80000,
405 CEPH_OSD_FLAG_ENFORCE_SNAPC = 0x100000,
406
407 CEPH_OSD_FLAG_REDIRECTED = 0x200000,
408 CEPH_OSD_FLAG_KNOWN_REDIR = 0x400000,
409 CEPH_OSD_FLAG_FULL_TRY = 0x800000,
410 CEPH_OSD_FLAG_FULL_FORCE = 0x1000000,
411};
412
413enum {
414 CEPH_OSD_OP_FLAG_EXCL = 1,
415 CEPH_OSD_OP_FLAG_FAILOK = 2,
416 CEPH_OSD_OP_FLAG_FADVISE_RANDOM = 0x4,
417 CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL = 0x8,
418 CEPH_OSD_OP_FLAG_FADVISE_WILLNEED = 0x10,
419
420 CEPH_OSD_OP_FLAG_FADVISE_DONTNEED = 0x20,
421
422 CEPH_OSD_OP_FLAG_FADVISE_NOCACHE = 0x40,
423
424};
425
426#define EOLDSNAPC ERESTART
427#define EBLOCKLISTED ESHUTDOWN
428
429
430enum {
431 CEPH_OSD_CMPXATTR_OP_NOP = 0,
432 CEPH_OSD_CMPXATTR_OP_EQ = 1,
433 CEPH_OSD_CMPXATTR_OP_NE = 2,
434 CEPH_OSD_CMPXATTR_OP_GT = 3,
435 CEPH_OSD_CMPXATTR_OP_GTE = 4,
436 CEPH_OSD_CMPXATTR_OP_LT = 5,
437 CEPH_OSD_CMPXATTR_OP_LTE = 6
438};
439
440enum {
441 CEPH_OSD_CMPXATTR_MODE_STRING = 1,
442 CEPH_OSD_CMPXATTR_MODE_U64 = 2
443};
444
445enum {
446 CEPH_OSD_COPY_FROM_FLAG_FLUSH = 1,
447 CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY = 2,
448 CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE = 4,
449 CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE = 8,
450
451 CEPH_OSD_COPY_FROM_FLAG_RWORDERED = 16,
452 CEPH_OSD_COPY_FROM_FLAG_TRUNCATE_SEQ = 32,
453};
454
455enum {
456 CEPH_OSD_WATCH_OP_UNWATCH = 0,
457 CEPH_OSD_WATCH_OP_LEGACY_WATCH = 1,
458
459
460 CEPH_OSD_WATCH_OP_WATCH = 3,
461 CEPH_OSD_WATCH_OP_RECONNECT = 5,
462 CEPH_OSD_WATCH_OP_PING = 7,
463};
464
465const char *ceph_osd_watch_op_name(int o);
466
467enum {
468 CEPH_OSD_ALLOC_HINT_FLAG_SEQUENTIAL_WRITE = 1,
469 CEPH_OSD_ALLOC_HINT_FLAG_RANDOM_WRITE = 2,
470 CEPH_OSD_ALLOC_HINT_FLAG_SEQUENTIAL_READ = 4,
471 CEPH_OSD_ALLOC_HINT_FLAG_RANDOM_READ = 8,
472 CEPH_OSD_ALLOC_HINT_FLAG_APPEND_ONLY = 16,
473 CEPH_OSD_ALLOC_HINT_FLAG_IMMUTABLE = 32,
474 CEPH_OSD_ALLOC_HINT_FLAG_SHORTLIVED = 64,
475 CEPH_OSD_ALLOC_HINT_FLAG_LONGLIVED = 128,
476 CEPH_OSD_ALLOC_HINT_FLAG_COMPRESSIBLE = 256,
477 CEPH_OSD_ALLOC_HINT_FLAG_INCOMPRESSIBLE = 512,
478};
479
480enum {
481 CEPH_OSD_BACKOFF_OP_BLOCK = 1,
482 CEPH_OSD_BACKOFF_OP_ACK_BLOCK = 2,
483 CEPH_OSD_BACKOFF_OP_UNBLOCK = 3,
484};
485
486
487
488
489
490struct ceph_osd_op {
491 __le16 op;
492 __le32 flags;
493 union {
494 struct {
495 __le64 offset, length;
496 __le64 truncate_size;
497 __le32 truncate_seq;
498 } __attribute__ ((packed)) extent;
499 struct {
500 __le32 name_len;
501 __le32 value_len;
502 __u8 cmp_op;
503 __u8 cmp_mode;
504 } __attribute__ ((packed)) xattr;
505 struct {
506 __u8 class_len;
507 __u8 method_len;
508 __u8 argc;
509 __le32 indata_len;
510 } __attribute__ ((packed)) cls;
511 struct {
512 __le64 cookie, count;
513 } __attribute__ ((packed)) pgls;
514 struct {
515 __le64 snapid;
516 } __attribute__ ((packed)) snap;
517 struct {
518 __le64 cookie;
519 __le64 ver;
520 __u8 op;
521 __le32 gen;
522 } __attribute__ ((packed)) watch;
523 struct {
524 __le64 cookie;
525 } __attribute__ ((packed)) notify;
526 struct {
527 __le64 offset, length;
528 __le64 src_offset;
529 } __attribute__ ((packed)) clonerange;
530 struct {
531 __le64 expected_object_size;
532 __le64 expected_write_size;
533 __le32 flags;
534 } __attribute__ ((packed)) alloc_hint;
535 struct {
536 __le64 snapid;
537 __le64 src_version;
538 __u8 flags;
539
540
541
542
543
544 __le32 src_fadvise_flags;
545 } __attribute__ ((packed)) copy_from;
546 };
547 __le32 payload_len;
548} __attribute__ ((packed));
549
550
551#endif
552