]>
Commit | Line | Data |
---|---|---|
5cd068c2 SW |
1 | #ifndef CEPH_RADOS_H |
2 | #define CEPH_RADOS_H | |
0dee3c28 SW |
3 | |
4 | /* | |
5 | * Data types for the Ceph distributed object storage layer RADOS | |
6 | * (Reliable Autonomic Distributed Object Store). | |
7 | */ | |
8 | ||
a1ce3928 | 9 | #include <linux/ceph/msgr.h> |
0dee3c28 SW |
10 | |
11 | /* | |
12 | * fs id | |
13 | */ | |
14 | struct ceph_fsid { | |
15 | unsigned char fsid[16]; | |
16 | }; | |
17 | ||
18 | static inline int ceph_fsid_compare(const struct ceph_fsid *a, | |
19 | const struct ceph_fsid *b) | |
20 | { | |
21 | return memcmp(a, b, sizeof(*a)); | |
22 | } | |
23 | ||
24 | /* | |
25 | * ino, object, etc. | |
26 | */ | |
27 | typedef __le64 ceph_snapid_t; | |
28 | #define CEPH_SNAPDIR ((__u64)(-1)) /* reserved for hidden .snap dir */ | |
29 | #define CEPH_NOSNAP ((__u64)(-2)) /* "head", "live" revision */ | |
30 | #define CEPH_MAXSNAP ((__u64)(-3)) /* largest valid snapid */ | |
31 | ||
32 | struct ceph_timespec { | |
33 | __le32 tv_sec; | |
34 | __le32 tv_nsec; | |
35 | } __attribute__ ((packed)); | |
36 | ||
37 | ||
38 | /* | |
39 | * object layout - how objects are mapped into PGs | |
40 | */ | |
41 | #define CEPH_OBJECT_LAYOUT_HASH 1 | |
42 | #define CEPH_OBJECT_LAYOUT_LINEAR 2 | |
43 | #define CEPH_OBJECT_LAYOUT_HASHINO 3 | |
44 | ||
45 | /* | |
46 | * pg layout -- how PGs are mapped onto (sets of) OSDs | |
47 | */ | |
48 | #define CEPH_PG_LAYOUT_CRUSH 0 | |
49 | #define CEPH_PG_LAYOUT_HASH 1 | |
50 | #define CEPH_PG_LAYOUT_LINEAR 2 | |
51 | #define CEPH_PG_LAYOUT_HYBRID 3 | |
52 | ||
d85b7056 | 53 | #define CEPH_PG_MAX_SIZE 16 /* max # osds in a single pg */ |
0dee3c28 SW |
54 | |
55 | /* | |
56 | * placement group. | |
57 | * we encode this into one __le64. | |
58 | */ | |
12979354 | 59 | struct ceph_pg_v1 { |
51042122 SW |
60 | __le16 preferred; /* preferred primary osd */ |
61 | __le16 ps; /* placement seed */ | |
62 | __le32 pool; /* object pool */ | |
0dee3c28 SW |
63 | } __attribute__ ((packed)); |
64 | ||
65 | /* | |
66 | * pg_pool is a set of pgs storing a pool of objects | |
67 | * | |
68 | * pg_num -- base number of pseudorandomly placed pgs | |
69 | * | |
70 | * pgp_num -- effective number when calculating pg placement. this | |
71 | * is used for pg_num increases. new pgs result in data being "split" | |
72 | * into new pgs. for this to proceed smoothly, new pgs are intiially | |
73 | * colocated with their parents; that is, pgp_num doesn't increase | |
74 | * until the new pgs have successfully split. only _then_ are the new | |
75 | * pgs placed independently. | |
76 | * | |
77 | * lpg_num -- localized pg count (per device). replicas are randomly | |
78 | * selected. | |
79 | * | |
80 | * lpgp_num -- as above. | |
81 | */ | |
86b00e0d AE |
82 | #define CEPH_NOPOOL ((__u64) (-1)) /* pool id not defined */ |
83 | ||
2abebdbc ID |
84 | #define CEPH_POOL_TYPE_REP 1 |
85 | #define CEPH_POOL_TYPE_RAID4 2 /* never implemented */ | |
86 | #define CEPH_POOL_TYPE_EC 3 | |
0dee3c28 SW |
87 | |
88 | /* | |
89 | * stable_mod func is used to control number of placement groups. | |
90 | * similar to straight-up modulo, but produces a stable mapping as b | |
91 | * increases over time. b is the number of bins, and bmask is the | |
92 | * containing power of 2 minus 1. | |
93 | * | |
94 | * b <= bmask and bmask=(2**n)-1 | |
95 | * e.g., b=12 -> bmask=15, b=123 -> bmask=127 | |
96 | */ | |
97 | static inline int ceph_stable_mod(int x, int b, int bmask) | |
98 | { | |
99 | if ((x & bmask) < b) | |
100 | return x & bmask; | |
101 | else | |
102 | return x & (bmask >> 1); | |
103 | } | |
104 | ||
105 | /* | |
106 | * object layout - how a given object should be stored. | |
107 | */ | |
108 | struct ceph_object_layout { | |
12979354 | 109 | struct ceph_pg_v1 ol_pgid; /* raw pg, with _full_ ps precision. */ |
0dee3c28 SW |
110 | __le32 ol_stripe_unit; /* for per-object parity, if any */ |
111 | } __attribute__ ((packed)); | |
112 | ||
113 | /* | |
114 | * compound epoch+version, used by storage layer to serialize mutations | |
115 | */ | |
116 | struct ceph_eversion { | |
0dee3c28 | 117 | __le64 version; |
985c1673 | 118 | __le32 epoch; |
0dee3c28 SW |
119 | } __attribute__ ((packed)); |
120 | ||
121 | /* | |
122 | * osd map bits | |
123 | */ | |
124 | ||
125 | /* status bits */ | |
0315a777 AE |
126 | #define CEPH_OSD_EXISTS (1<<0) |
127 | #define CEPH_OSD_UP (1<<1) | |
128 | #define CEPH_OSD_AUTOOUT (1<<2) /* osd was automatically marked out */ | |
129 | #define CEPH_OSD_NEW (1<<3) /* osd is new, never marked in */ | |
0dee3c28 | 130 | |
4b568b1a AE |
131 | extern const char *ceph_osd_state_name(int s); |
132 | ||
0dee3c28 SW |
133 | /* osd weights. fixed point value: 0x10000 == 1.0 ("in"), 0 == "out" */ |
134 | #define CEPH_OSD_IN 0x10000 | |
135 | #define CEPH_OSD_OUT 0 | |
136 | ||
2cfa34f2 ID |
137 | /* osd primary-affinity. fixed point value: 0x10000 == baseline */ |
138 | #define CEPH_OSD_MAX_PRIMARY_AFFINITY 0x10000 | |
139 | #define CEPH_OSD_DEFAULT_PRIMARY_AFFINITY 0x10000 | |
140 | ||
0dee3c28 SW |
141 | |
142 | /* | |
143 | * osd map flag bits | |
144 | */ | |
145 | #define CEPH_OSDMAP_NEARFULL (1<<0) /* sync writes (near ENOSPC) */ | |
146 | #define CEPH_OSDMAP_FULL (1<<1) /* no data writes (ENOSPC) */ | |
147 | #define CEPH_OSDMAP_PAUSERD (1<<2) /* pause all reads */ | |
148 | #define CEPH_OSDMAP_PAUSEWR (1<<3) /* pause all writes */ | |
149 | #define CEPH_OSDMAP_PAUSEREC (1<<4) /* pause recovery */ | |
0315a777 AE |
150 | #define CEPH_OSDMAP_NOUP (1<<5) /* block osd boot */ |
151 | #define CEPH_OSDMAP_NODOWN (1<<6) /* block osd mark-down/failure */ | |
152 | #define CEPH_OSDMAP_NOOUT (1<<7) /* block osd auto mark-out */ | |
153 | #define CEPH_OSDMAP_NOIN (1<<8) /* block osd auto mark-in */ | |
154 | #define CEPH_OSDMAP_NOBACKFILL (1<<9) /* block osd backfill */ | |
155 | #define CEPH_OSDMAP_NORECOVER (1<<10) /* block osd recovery and backfill */ | |
63244fa1 ID |
156 | #define CEPH_OSDMAP_NOSCRUB (1<<11) /* block periodic scrub */ |
157 | #define CEPH_OSDMAP_NODEEP_SCRUB (1<<12) /* block periodic deep-scrub */ | |
158 | #define CEPH_OSDMAP_NOTIERAGENT (1<<13) /* disable tiering agent */ | |
159 | #define CEPH_OSDMAP_NOREBALANCE (1<<14) /* block osd backfill unless pg is degraded */ | |
160 | #define CEPH_OSDMAP_SORTBITWISE (1<<15) /* use bitwise hobject_t sort */ | |
0315a777 AE |
161 | |
162 | /* | |
163 | * The error code to return when an OSD can't handle a write | |
164 | * because it is too large. | |
165 | */ | |
166 | #define OSD_WRITETOOBIG EMSGSIZE | |
0dee3c28 SW |
167 | |
168 | /* | |
169 | * osd ops | |
0315a777 AE |
170 | * |
171 | * WARNING: do not use these op codes directly. Use the helpers | |
172 | * defined below instead. In certain cases, op code behavior was | |
173 | * redefined, resulting in special-cases in the helpers. | |
0dee3c28 SW |
174 | */ |
175 | #define CEPH_OSD_OP_MODE 0xf000 | |
176 | #define CEPH_OSD_OP_MODE_RD 0x1000 | |
177 | #define CEPH_OSD_OP_MODE_WR 0x2000 | |
178 | #define CEPH_OSD_OP_MODE_RMW 0x3000 | |
179 | #define CEPH_OSD_OP_MODE_SUB 0x4000 | |
70b5bfa3 | 180 | #define CEPH_OSD_OP_MODE_CACHE 0x8000 |
0dee3c28 SW |
181 | |
182 | #define CEPH_OSD_OP_TYPE 0x0f00 | |
183 | #define CEPH_OSD_OP_TYPE_LOCK 0x0100 | |
184 | #define CEPH_OSD_OP_TYPE_DATA 0x0200 | |
185 | #define CEPH_OSD_OP_TYPE_ATTR 0x0300 | |
186 | #define CEPH_OSD_OP_TYPE_EXEC 0x0400 | |
187 | #define CEPH_OSD_OP_TYPE_PG 0x0500 | |
0315a777 | 188 | #define CEPH_OSD_OP_TYPE_MULTI 0x0600 /* multiobject */ |
0dee3c28 | 189 | |
70b5bfa3 ID |
190 | #define __CEPH_OSD_OP1(mode, nr) \ |
191 | (CEPH_OSD_OP_MODE_##mode | (nr)) | |
192 | ||
193 | #define __CEPH_OSD_OP(mode, type, nr) \ | |
194 | (CEPH_OSD_OP_MODE_##mode | CEPH_OSD_OP_TYPE_##type | (nr)) | |
195 | ||
196 | #define __CEPH_FORALL_OSD_OPS(f) \ | |
197 | /** data **/ \ | |
198 | /* read */ \ | |
199 | f(READ, __CEPH_OSD_OP(RD, DATA, 1), "read") \ | |
200 | f(STAT, __CEPH_OSD_OP(RD, DATA, 2), "stat") \ | |
201 | f(MAPEXT, __CEPH_OSD_OP(RD, DATA, 3), "mapext") \ | |
202 | \ | |
203 | /* fancy read */ \ | |
204 | f(MASKTRUNC, __CEPH_OSD_OP(RD, DATA, 4), "masktrunc") \ | |
205 | f(SPARSE_READ, __CEPH_OSD_OP(RD, DATA, 5), "sparse-read") \ | |
206 | \ | |
207 | f(NOTIFY, __CEPH_OSD_OP(RD, DATA, 6), "notify") \ | |
208 | f(NOTIFY_ACK, __CEPH_OSD_OP(RD, DATA, 7), "notify-ack") \ | |
209 | \ | |
210 | /* versioning */ \ | |
211 | f(ASSERT_VER, __CEPH_OSD_OP(RD, DATA, 8), "assert-version") \ | |
212 | \ | |
213 | f(LIST_WATCHERS, __CEPH_OSD_OP(RD, DATA, 9), "list-watchers") \ | |
214 | \ | |
215 | f(LIST_SNAPS, __CEPH_OSD_OP(RD, DATA, 10), "list-snaps") \ | |
216 | \ | |
217 | /* sync */ \ | |
218 | f(SYNC_READ, __CEPH_OSD_OP(RD, DATA, 11), "sync_read") \ | |
219 | \ | |
220 | /* write */ \ | |
221 | f(WRITE, __CEPH_OSD_OP(WR, DATA, 1), "write") \ | |
222 | f(WRITEFULL, __CEPH_OSD_OP(WR, DATA, 2), "writefull") \ | |
223 | f(TRUNCATE, __CEPH_OSD_OP(WR, DATA, 3), "truncate") \ | |
224 | f(ZERO, __CEPH_OSD_OP(WR, DATA, 4), "zero") \ | |
225 | f(DELETE, __CEPH_OSD_OP(WR, DATA, 5), "delete") \ | |
226 | \ | |
227 | /* fancy write */ \ | |
228 | f(APPEND, __CEPH_OSD_OP(WR, DATA, 6), "append") \ | |
229 | f(STARTSYNC, __CEPH_OSD_OP(WR, DATA, 7), "startsync") \ | |
230 | f(SETTRUNC, __CEPH_OSD_OP(WR, DATA, 8), "settrunc") \ | |
231 | f(TRIMTRUNC, __CEPH_OSD_OP(WR, DATA, 9), "trimtrunc") \ | |
232 | \ | |
233 | f(TMAPUP, __CEPH_OSD_OP(RMW, DATA, 10), "tmapup") \ | |
234 | f(TMAPPUT, __CEPH_OSD_OP(WR, DATA, 11), "tmapput") \ | |
235 | f(TMAPGET, __CEPH_OSD_OP(RD, DATA, 12), "tmapget") \ | |
236 | \ | |
237 | f(CREATE, __CEPH_OSD_OP(WR, DATA, 13), "create") \ | |
238 | f(ROLLBACK, __CEPH_OSD_OP(WR, DATA, 14), "rollback") \ | |
239 | \ | |
240 | f(WATCH, __CEPH_OSD_OP(WR, DATA, 15), "watch") \ | |
241 | \ | |
242 | /* omap */ \ | |
243 | f(OMAPGETKEYS, __CEPH_OSD_OP(RD, DATA, 17), "omap-get-keys") \ | |
244 | f(OMAPGETVALS, __CEPH_OSD_OP(RD, DATA, 18), "omap-get-vals") \ | |
245 | f(OMAPGETHEADER, __CEPH_OSD_OP(RD, DATA, 19), "omap-get-header") \ | |
246 | f(OMAPGETVALSBYKEYS, __CEPH_OSD_OP(RD, DATA, 20), "omap-get-vals-by-keys") \ | |
247 | f(OMAPSETVALS, __CEPH_OSD_OP(WR, DATA, 21), "omap-set-vals") \ | |
248 | f(OMAPSETHEADER, __CEPH_OSD_OP(WR, DATA, 22), "omap-set-header") \ | |
249 | f(OMAPCLEAR, __CEPH_OSD_OP(WR, DATA, 23), "omap-clear") \ | |
250 | f(OMAPRMKEYS, __CEPH_OSD_OP(WR, DATA, 24), "omap-rm-keys") \ | |
251 | f(OMAP_CMP, __CEPH_OSD_OP(RD, DATA, 25), "omap-cmp") \ | |
252 | \ | |
253 | /* tiering */ \ | |
254 | f(COPY_FROM, __CEPH_OSD_OP(WR, DATA, 26), "copy-from") \ | |
255 | f(COPY_GET_CLASSIC, __CEPH_OSD_OP(RD, DATA, 27), "copy-get-classic") \ | |
256 | f(UNDIRTY, __CEPH_OSD_OP(WR, DATA, 28), "undirty") \ | |
257 | f(ISDIRTY, __CEPH_OSD_OP(RD, DATA, 29), "isdirty") \ | |
258 | f(COPY_GET, __CEPH_OSD_OP(RD, DATA, 30), "copy-get") \ | |
259 | f(CACHE_FLUSH, __CEPH_OSD_OP(CACHE, DATA, 31), "cache-flush") \ | |
260 | f(CACHE_EVICT, __CEPH_OSD_OP(CACHE, DATA, 32), "cache-evict") \ | |
261 | f(CACHE_TRY_FLUSH, __CEPH_OSD_OP(CACHE, DATA, 33), "cache-try-flush") \ | |
262 | \ | |
263 | /* convert tmap to omap */ \ | |
264 | f(TMAP2OMAP, __CEPH_OSD_OP(RMW, DATA, 34), "tmap2omap") \ | |
265 | \ | |
266 | /* hints */ \ | |
267 | f(SETALLOCHINT, __CEPH_OSD_OP(WR, DATA, 35), "set-alloc-hint") \ | |
268 | \ | |
269 | /** multi **/ \ | |
270 | f(CLONERANGE, __CEPH_OSD_OP(WR, MULTI, 1), "clonerange") \ | |
271 | f(ASSERT_SRC_VERSION, __CEPH_OSD_OP(RD, MULTI, 2), "assert-src-version") \ | |
272 | f(SRC_CMPXATTR, __CEPH_OSD_OP(RD, MULTI, 3), "src-cmpxattr") \ | |
273 | \ | |
274 | /** attrs **/ \ | |
275 | /* read */ \ | |
276 | f(GETXATTR, __CEPH_OSD_OP(RD, ATTR, 1), "getxattr") \ | |
277 | f(GETXATTRS, __CEPH_OSD_OP(RD, ATTR, 2), "getxattrs") \ | |
278 | f(CMPXATTR, __CEPH_OSD_OP(RD, ATTR, 3), "cmpxattr") \ | |
279 | \ | |
280 | /* write */ \ | |
281 | f(SETXATTR, __CEPH_OSD_OP(WR, ATTR, 1), "setxattr") \ | |
282 | f(SETXATTRS, __CEPH_OSD_OP(WR, ATTR, 2), "setxattrs") \ | |
283 | f(RESETXATTRS, __CEPH_OSD_OP(WR, ATTR, 3), "resetxattrs") \ | |
284 | f(RMXATTR, __CEPH_OSD_OP(WR, ATTR, 4), "rmxattr") \ | |
285 | \ | |
286 | /** subop **/ \ | |
287 | f(PULL, __CEPH_OSD_OP1(SUB, 1), "pull") \ | |
288 | f(PUSH, __CEPH_OSD_OP1(SUB, 2), "push") \ | |
289 | f(BALANCEREADS, __CEPH_OSD_OP1(SUB, 3), "balance-reads") \ | |
290 | f(UNBALANCEREADS, __CEPH_OSD_OP1(SUB, 4), "unbalance-reads") \ | |
291 | f(SCRUB, __CEPH_OSD_OP1(SUB, 5), "scrub") \ | |
292 | f(SCRUB_RESERVE, __CEPH_OSD_OP1(SUB, 6), "scrub-reserve") \ | |
293 | f(SCRUB_UNRESERVE, __CEPH_OSD_OP1(SUB, 7), "scrub-unreserve") \ | |
294 | f(SCRUB_STOP, __CEPH_OSD_OP1(SUB, 8), "scrub-stop") \ | |
295 | f(SCRUB_MAP, __CEPH_OSD_OP1(SUB, 9), "scrub-map") \ | |
296 | \ | |
297 | /** lock **/ \ | |
298 | f(WRLOCK, __CEPH_OSD_OP(WR, LOCK, 1), "wrlock") \ | |
299 | f(WRUNLOCK, __CEPH_OSD_OP(WR, LOCK, 2), "wrunlock") \ | |
300 | f(RDLOCK, __CEPH_OSD_OP(WR, LOCK, 3), "rdlock") \ | |
301 | f(RDUNLOCK, __CEPH_OSD_OP(WR, LOCK, 4), "rdunlock") \ | |
302 | f(UPLOCK, __CEPH_OSD_OP(WR, LOCK, 5), "uplock") \ | |
303 | f(DNLOCK, __CEPH_OSD_OP(WR, LOCK, 6), "dnlock") \ | |
304 | \ | |
305 | /** exec **/ \ | |
306 | /* note: the RD bit here is wrong; see special-case below in helper */ \ | |
307 | f(CALL, __CEPH_OSD_OP(RD, EXEC, 1), "call") \ | |
308 | \ | |
309 | /** pg **/ \ | |
310 | f(PGLS, __CEPH_OSD_OP(RD, PG, 1), "pgls") \ | |
311 | f(PGLS_FILTER, __CEPH_OSD_OP(RD, PG, 2), "pgls-filter") \ | |
312 | f(PG_HITSET_LS, __CEPH_OSD_OP(RD, PG, 3), "pg-hitset-ls") \ | |
313 | f(PG_HITSET_GET, __CEPH_OSD_OP(RD, PG, 4), "pg-hitset-get") | |
483fac71 | 314 | |
70b5bfa3 ID |
315 | enum { |
316 | #define GENERATE_ENUM_ENTRY(op, opcode, str) CEPH_OSD_OP_##op = (opcode), | |
317 | __CEPH_FORALL_OSD_OPS(GENERATE_ENUM_ENTRY) | |
318 | #undef GENERATE_ENUM_ENTRY | |
0dee3c28 SW |
319 | }; |
320 | ||
321 | static inline int ceph_osd_op_type_lock(int op) | |
322 | { | |
323 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_LOCK; | |
324 | } | |
325 | static inline int ceph_osd_op_type_data(int op) | |
326 | { | |
327 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_DATA; | |
328 | } | |
329 | static inline int ceph_osd_op_type_attr(int op) | |
330 | { | |
331 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_ATTR; | |
332 | } | |
333 | static inline int ceph_osd_op_type_exec(int op) | |
334 | { | |
335 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_EXEC; | |
336 | } | |
337 | static inline int ceph_osd_op_type_pg(int op) | |
338 | { | |
339 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_PG; | |
340 | } | |
0315a777 AE |
341 | static inline int ceph_osd_op_type_multi(int op) |
342 | { | |
343 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_MULTI; | |
344 | } | |
0dee3c28 SW |
345 | |
346 | static inline int ceph_osd_op_mode_subop(int op) | |
347 | { | |
348 | return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_SUB; | |
349 | } | |
350 | static inline int ceph_osd_op_mode_read(int op) | |
351 | { | |
0315a777 AE |
352 | return (op & CEPH_OSD_OP_MODE_RD) && |
353 | op != CEPH_OSD_OP_CALL; | |
0dee3c28 SW |
354 | } |
355 | static inline int ceph_osd_op_mode_modify(int op) | |
356 | { | |
0315a777 | 357 | return op & CEPH_OSD_OP_MODE_WR; |
0dee3c28 SW |
358 | } |
359 | ||
f0b18d9f SW |
360 | /* |
361 | * note that the following tmap stuff is also defined in the ceph librados.h | |
362 | * any modification here needs to be updated there | |
363 | */ | |
0dee3c28 SW |
364 | #define CEPH_OSD_TMAP_HDR 'h' |
365 | #define CEPH_OSD_TMAP_SET 's' | |
0315a777 | 366 | #define CEPH_OSD_TMAP_CREATE 'c' /* create key */ |
0dee3c28 | 367 | #define CEPH_OSD_TMAP_RM 'r' |
0315a777 | 368 | #define CEPH_OSD_TMAP_RMSLOPPY 'R' |
0dee3c28 SW |
369 | |
370 | extern const char *ceph_osd_op_name(int op); | |
371 | ||
0dee3c28 SW |
372 | /* |
373 | * osd op flags | |
374 | * | |
375 | * An op may be READ, WRITE, or READ|WRITE. | |
376 | */ | |
377 | enum { | |
0315a777 AE |
378 | CEPH_OSD_FLAG_ACK = 0x0001, /* want (or is) "ack" ack */ |
379 | CEPH_OSD_FLAG_ONNVRAM = 0x0002, /* want (or is) "onnvram" ack */ | |
380 | CEPH_OSD_FLAG_ONDISK = 0x0004, /* want (or is) "ondisk" ack */ | |
381 | CEPH_OSD_FLAG_RETRY = 0x0008, /* resend attempt */ | |
382 | CEPH_OSD_FLAG_READ = 0x0010, /* op may read */ | |
383 | CEPH_OSD_FLAG_WRITE = 0x0020, /* op may write */ | |
384 | CEPH_OSD_FLAG_ORDERSNAP = 0x0040, /* EOLDSNAP if snapc is out of order */ | |
385 | CEPH_OSD_FLAG_PEERSTAT_OLD = 0x0080, /* DEPRECATED msg includes osd_peer_stat */ | |
386 | CEPH_OSD_FLAG_BALANCE_READS = 0x0100, | |
387 | CEPH_OSD_FLAG_PARALLELEXEC = 0x0200, /* execute op in parallel */ | |
388 | CEPH_OSD_FLAG_PGOP = 0x0400, /* pg op, no object */ | |
389 | CEPH_OSD_FLAG_EXEC = 0x0800, /* op may exec */ | |
390 | CEPH_OSD_FLAG_EXEC_PUBLIC = 0x1000, /* DEPRECATED op may exec (public) */ | |
391 | CEPH_OSD_FLAG_LOCALIZE_READS = 0x2000, /* read from nearby replica, if any */ | |
392 | CEPH_OSD_FLAG_RWORDERED = 0x4000, /* order wrt concurrent reads */ | |
1b3f2ab5 ID |
393 | CEPH_OSD_FLAG_IGNORE_CACHE = 0x8000, /* ignore cache logic */ |
394 | CEPH_OSD_FLAG_SKIPRWLOCKS = 0x10000, /* skip rw locks */ | |
395 | CEPH_OSD_FLAG_IGNORE_OVERLAY = 0x20000, /* ignore pool overlay */ | |
396 | CEPH_OSD_FLAG_FLUSH = 0x40000, /* this is part of flush */ | |
bb873b53 ID |
397 | CEPH_OSD_FLAG_MAP_SNAP_CLONE = 0x80000, /* map snap direct to clone id */ |
398 | CEPH_OSD_FLAG_ENFORCE_SNAPC = 0x100000, /* use snapc provided even if | |
399 | pool uses pool snaps */ | |
400 | CEPH_OSD_FLAG_REDIRECTED = 0x200000, /* op has been redirected */ | |
401 | CEPH_OSD_FLAG_KNOWN_REDIR = 0x400000, /* redirect bit is authoritative */ | |
402 | CEPH_OSD_FLAG_FULL_TRY = 0x800000, /* try op despite full flag */ | |
403 | CEPH_OSD_FLAG_FULL_FORCE = 0x1000000, /* force op despite full flag */ | |
0dee3c28 SW |
404 | }; |
405 | ||
406 | enum { | |
407 | CEPH_OSD_OP_FLAG_EXCL = 1, /* EXCL object create */ | |
0315a777 | 408 | CEPH_OSD_OP_FLAG_FAILOK = 2, /* continue despite failure */ |
0dee3c28 SW |
409 | }; |
410 | ||
411 | #define EOLDSNAPC ERESTART /* ORDERSNAP flag set; writer has old snapc*/ | |
412 | #define EBLACKLISTED ESHUTDOWN /* blacklisted */ | |
413 | ||
ca9d93a2 SW |
414 | /* xattr comparison */ |
415 | enum { | |
416 | CEPH_OSD_CMPXATTR_OP_NOP = 0, | |
417 | CEPH_OSD_CMPXATTR_OP_EQ = 1, | |
418 | CEPH_OSD_CMPXATTR_OP_NE = 2, | |
419 | CEPH_OSD_CMPXATTR_OP_GT = 3, | |
420 | CEPH_OSD_CMPXATTR_OP_GTE = 4, | |
421 | CEPH_OSD_CMPXATTR_OP_LT = 5, | |
422 | CEPH_OSD_CMPXATTR_OP_LTE = 6 | |
423 | }; | |
424 | ||
425 | enum { | |
426 | CEPH_OSD_CMPXATTR_MODE_STRING = 1, | |
427 | CEPH_OSD_CMPXATTR_MODE_U64 = 2 | |
428 | }; | |
429 | ||
922dab61 ID |
430 | enum { |
431 | CEPH_OSD_WATCH_OP_UNWATCH = 0, | |
432 | CEPH_OSD_WATCH_OP_LEGACY_WATCH = 1, | |
433 | /* note: use only ODD ids to prevent pre-giant code from | |
434 | interpreting the op as UNWATCH */ | |
435 | CEPH_OSD_WATCH_OP_WATCH = 3, | |
436 | CEPH_OSD_WATCH_OP_RECONNECT = 5, | |
437 | CEPH_OSD_WATCH_OP_PING = 7, | |
438 | }; | |
439 | ||
440 | const char *ceph_osd_watch_op_name(int o); | |
483fac71 | 441 | |
0dee3c28 SW |
442 | /* |
443 | * an individual object operation. each may be accompanied by some data | |
444 | * payload | |
445 | */ | |
446 | struct ceph_osd_op { | |
447 | __le16 op; /* CEPH_OSD_OP_* */ | |
7b25bf5f | 448 | __le32 flags; /* CEPH_OSD_OP_FLAG_* */ |
0dee3c28 SW |
449 | union { |
450 | struct { | |
451 | __le64 offset, length; | |
0c948992 YS |
452 | __le64 truncate_size; |
453 | __le32 truncate_seq; | |
0dee3c28 SW |
454 | } __attribute__ ((packed)) extent; |
455 | struct { | |
456 | __le32 name_len; | |
457 | __le32 value_len; | |
ca9d93a2 SW |
458 | __u8 cmp_op; /* CEPH_OSD_CMPXATTR_OP_* */ |
459 | __u8 cmp_mode; /* CEPH_OSD_CMPXATTR_MODE_* */ | |
0dee3c28 | 460 | } __attribute__ ((packed)) xattr; |
0dee3c28 SW |
461 | struct { |
462 | __u8 class_len; | |
463 | __u8 method_len; | |
464 | __u8 argc; | |
465 | __le32 indata_len; | |
466 | } __attribute__ ((packed)) cls; | |
467 | struct { | |
468 | __le64 cookie, count; | |
469 | } __attribute__ ((packed)) pgls; | |
f0b18d9f SW |
470 | struct { |
471 | __le64 snapid; | |
472 | } __attribute__ ((packed)) snap; | |
483fac71 YS |
473 | struct { |
474 | __le64 cookie; | |
922dab61 ID |
475 | __le64 ver; /* no longer used */ |
476 | __u8 op; /* CEPH_OSD_WATCH_OP_* */ | |
477 | __le32 gen; /* registration generation */ | |
483fac71 | 478 | } __attribute__ ((packed)) watch; |
19079203 ID |
479 | struct { |
480 | __le64 cookie; | |
481 | } __attribute__ ((packed)) notify; | |
0315a777 AE |
482 | struct { |
483 | __le64 offset, length; | |
484 | __le64 src_offset; | |
485 | } __attribute__ ((packed)) clonerange; | |
c647b8a8 ID |
486 | struct { |
487 | __le64 expected_object_size; | |
488 | __le64 expected_write_size; | |
489 | } __attribute__ ((packed)) alloc_hint; | |
0315a777 | 490 | }; |
0dee3c28 SW |
491 | __le32 payload_len; |
492 | } __attribute__ ((packed)); | |
493 | ||
0dee3c28 SW |
494 | |
495 | #endif |