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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 | ||
0dee3c28 SW |
84 | #define CEPH_PG_TYPE_REP 1 |
85 | #define CEPH_PG_TYPE_RAID4 2 | |
0dee3c28 SW |
86 | |
87 | /* | |
88 | * stable_mod func is used to control number of placement groups. | |
89 | * similar to straight-up modulo, but produces a stable mapping as b | |
90 | * increases over time. b is the number of bins, and bmask is the | |
91 | * containing power of 2 minus 1. | |
92 | * | |
93 | * b <= bmask and bmask=(2**n)-1 | |
94 | * e.g., b=12 -> bmask=15, b=123 -> bmask=127 | |
95 | */ | |
96 | static inline int ceph_stable_mod(int x, int b, int bmask) | |
97 | { | |
98 | if ((x & bmask) < b) | |
99 | return x & bmask; | |
100 | else | |
101 | return x & (bmask >> 1); | |
102 | } | |
103 | ||
104 | /* | |
105 | * object layout - how a given object should be stored. | |
106 | */ | |
107 | struct ceph_object_layout { | |
12979354 | 108 | struct ceph_pg_v1 ol_pgid; /* raw pg, with _full_ ps precision. */ |
0dee3c28 SW |
109 | __le32 ol_stripe_unit; /* for per-object parity, if any */ |
110 | } __attribute__ ((packed)); | |
111 | ||
112 | /* | |
113 | * compound epoch+version, used by storage layer to serialize mutations | |
114 | */ | |
115 | struct ceph_eversion { | |
116 | __le32 epoch; | |
117 | __le64 version; | |
118 | } __attribute__ ((packed)); | |
119 | ||
120 | /* | |
121 | * osd map bits | |
122 | */ | |
123 | ||
124 | /* status bits */ | |
0315a777 AE |
125 | #define CEPH_OSD_EXISTS (1<<0) |
126 | #define CEPH_OSD_UP (1<<1) | |
127 | #define CEPH_OSD_AUTOOUT (1<<2) /* osd was automatically marked out */ | |
128 | #define CEPH_OSD_NEW (1<<3) /* osd is new, never marked in */ | |
0dee3c28 | 129 | |
4b568b1a AE |
130 | extern const char *ceph_osd_state_name(int s); |
131 | ||
0dee3c28 SW |
132 | /* osd weights. fixed point value: 0x10000 == 1.0 ("in"), 0 == "out" */ |
133 | #define CEPH_OSD_IN 0x10000 | |
134 | #define CEPH_OSD_OUT 0 | |
135 | ||
136 | ||
137 | /* | |
138 | * osd map flag bits | |
139 | */ | |
140 | #define CEPH_OSDMAP_NEARFULL (1<<0) /* sync writes (near ENOSPC) */ | |
141 | #define CEPH_OSDMAP_FULL (1<<1) /* no data writes (ENOSPC) */ | |
142 | #define CEPH_OSDMAP_PAUSERD (1<<2) /* pause all reads */ | |
143 | #define CEPH_OSDMAP_PAUSEWR (1<<3) /* pause all writes */ | |
144 | #define CEPH_OSDMAP_PAUSEREC (1<<4) /* pause recovery */ | |
0315a777 AE |
145 | #define CEPH_OSDMAP_NOUP (1<<5) /* block osd boot */ |
146 | #define CEPH_OSDMAP_NODOWN (1<<6) /* block osd mark-down/failure */ | |
147 | #define CEPH_OSDMAP_NOOUT (1<<7) /* block osd auto mark-out */ | |
148 | #define CEPH_OSDMAP_NOIN (1<<8) /* block osd auto mark-in */ | |
149 | #define CEPH_OSDMAP_NOBACKFILL (1<<9) /* block osd backfill */ | |
150 | #define CEPH_OSDMAP_NORECOVER (1<<10) /* block osd recovery and backfill */ | |
151 | ||
152 | /* | |
153 | * The error code to return when an OSD can't handle a write | |
154 | * because it is too large. | |
155 | */ | |
156 | #define OSD_WRITETOOBIG EMSGSIZE | |
0dee3c28 SW |
157 | |
158 | /* | |
159 | * osd ops | |
0315a777 AE |
160 | * |
161 | * WARNING: do not use these op codes directly. Use the helpers | |
162 | * defined below instead. In certain cases, op code behavior was | |
163 | * redefined, resulting in special-cases in the helpers. | |
0dee3c28 SW |
164 | */ |
165 | #define CEPH_OSD_OP_MODE 0xf000 | |
166 | #define CEPH_OSD_OP_MODE_RD 0x1000 | |
167 | #define CEPH_OSD_OP_MODE_WR 0x2000 | |
168 | #define CEPH_OSD_OP_MODE_RMW 0x3000 | |
169 | #define CEPH_OSD_OP_MODE_SUB 0x4000 | |
0dee3c28 SW |
170 | |
171 | #define CEPH_OSD_OP_TYPE 0x0f00 | |
172 | #define CEPH_OSD_OP_TYPE_LOCK 0x0100 | |
173 | #define CEPH_OSD_OP_TYPE_DATA 0x0200 | |
174 | #define CEPH_OSD_OP_TYPE_ATTR 0x0300 | |
175 | #define CEPH_OSD_OP_TYPE_EXEC 0x0400 | |
176 | #define CEPH_OSD_OP_TYPE_PG 0x0500 | |
0315a777 | 177 | #define CEPH_OSD_OP_TYPE_MULTI 0x0600 /* multiobject */ |
0dee3c28 SW |
178 | |
179 | enum { | |
180 | /** data **/ | |
181 | /* read */ | |
182 | CEPH_OSD_OP_READ = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 1, | |
183 | CEPH_OSD_OP_STAT = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 2, | |
483fac71 | 184 | CEPH_OSD_OP_MAPEXT = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 3, |
0dee3c28 SW |
185 | |
186 | /* fancy read */ | |
483fac71 YS |
187 | CEPH_OSD_OP_MASKTRUNC = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 4, |
188 | CEPH_OSD_OP_SPARSE_READ = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 5, | |
189 | ||
190 | CEPH_OSD_OP_NOTIFY = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 6, | |
191 | CEPH_OSD_OP_NOTIFY_ACK = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 7, | |
192 | ||
193 | /* versioning */ | |
194 | CEPH_OSD_OP_ASSERT_VER = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 8, | |
0dee3c28 SW |
195 | |
196 | /* write */ | |
197 | CEPH_OSD_OP_WRITE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 1, | |
198 | CEPH_OSD_OP_WRITEFULL = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 2, | |
199 | CEPH_OSD_OP_TRUNCATE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 3, | |
200 | CEPH_OSD_OP_ZERO = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 4, | |
201 | CEPH_OSD_OP_DELETE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 5, | |
202 | ||
203 | /* fancy write */ | |
204 | CEPH_OSD_OP_APPEND = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 6, | |
205 | CEPH_OSD_OP_STARTSYNC = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 7, | |
206 | CEPH_OSD_OP_SETTRUNC = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 8, | |
207 | CEPH_OSD_OP_TRIMTRUNC = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 9, | |
208 | ||
209 | CEPH_OSD_OP_TMAPUP = CEPH_OSD_OP_MODE_RMW | CEPH_OSD_OP_TYPE_DATA | 10, | |
210 | CEPH_OSD_OP_TMAPPUT = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 11, | |
211 | CEPH_OSD_OP_TMAPGET = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 12, | |
212 | ||
213 | CEPH_OSD_OP_CREATE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 13, | |
f0b18d9f | 214 | CEPH_OSD_OP_ROLLBACK= CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 14, |
0dee3c28 | 215 | |
483fac71 YS |
216 | CEPH_OSD_OP_WATCH = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 15, |
217 | ||
0315a777 AE |
218 | /* omap */ |
219 | CEPH_OSD_OP_OMAPGETKEYS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 17, | |
220 | CEPH_OSD_OP_OMAPGETVALS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 18, | |
221 | CEPH_OSD_OP_OMAPGETHEADER = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 19, | |
222 | CEPH_OSD_OP_OMAPGETVALSBYKEYS = | |
223 | CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 20, | |
224 | CEPH_OSD_OP_OMAPSETVALS = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 21, | |
225 | CEPH_OSD_OP_OMAPSETHEADER = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 22, | |
226 | CEPH_OSD_OP_OMAPCLEAR = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 23, | |
227 | CEPH_OSD_OP_OMAPRMKEYS = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 24, | |
228 | CEPH_OSD_OP_OMAP_CMP = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 25, | |
229 | ||
c647b8a8 ID |
230 | /* hints */ |
231 | CEPH_OSD_OP_SETALLOCHINT = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 35, | |
232 | ||
0315a777 AE |
233 | /** multi **/ |
234 | CEPH_OSD_OP_CLONERANGE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_MULTI | 1, | |
235 | CEPH_OSD_OP_ASSERT_SRC_VERSION = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_MULTI | 2, | |
236 | CEPH_OSD_OP_SRC_CMPXATTR = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_MULTI | 3, | |
237 | ||
0dee3c28 SW |
238 | /** attrs **/ |
239 | /* read */ | |
240 | CEPH_OSD_OP_GETXATTR = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 1, | |
241 | CEPH_OSD_OP_GETXATTRS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 2, | |
ca9d93a2 | 242 | CEPH_OSD_OP_CMPXATTR = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 3, |
0dee3c28 SW |
243 | |
244 | /* write */ | |
245 | CEPH_OSD_OP_SETXATTR = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 1, | |
246 | CEPH_OSD_OP_SETXATTRS = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 2, | |
247 | CEPH_OSD_OP_RESETXATTRS = CEPH_OSD_OP_MODE_WR|CEPH_OSD_OP_TYPE_ATTR | 3, | |
248 | CEPH_OSD_OP_RMXATTR = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 4, | |
249 | ||
250 | /** subop **/ | |
483fac71 YS |
251 | CEPH_OSD_OP_PULL = CEPH_OSD_OP_MODE_SUB | 1, |
252 | CEPH_OSD_OP_PUSH = CEPH_OSD_OP_MODE_SUB | 2, | |
253 | CEPH_OSD_OP_BALANCEREADS = CEPH_OSD_OP_MODE_SUB | 3, | |
254 | CEPH_OSD_OP_UNBALANCEREADS = CEPH_OSD_OP_MODE_SUB | 4, | |
255 | CEPH_OSD_OP_SCRUB = CEPH_OSD_OP_MODE_SUB | 5, | |
256 | CEPH_OSD_OP_SCRUB_RESERVE = CEPH_OSD_OP_MODE_SUB | 6, | |
257 | CEPH_OSD_OP_SCRUB_UNRESERVE = CEPH_OSD_OP_MODE_SUB | 7, | |
258 | CEPH_OSD_OP_SCRUB_STOP = CEPH_OSD_OP_MODE_SUB | 8, | |
0315a777 | 259 | CEPH_OSD_OP_SCRUB_MAP = CEPH_OSD_OP_MODE_SUB | 9, |
0dee3c28 SW |
260 | |
261 | /** lock **/ | |
262 | CEPH_OSD_OP_WRLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 1, | |
263 | CEPH_OSD_OP_WRUNLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 2, | |
264 | CEPH_OSD_OP_RDLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 3, | |
265 | CEPH_OSD_OP_RDUNLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 4, | |
266 | CEPH_OSD_OP_UPLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 5, | |
267 | CEPH_OSD_OP_DNLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 6, | |
268 | ||
269 | /** exec **/ | |
0315a777 | 270 | /* note: the RD bit here is wrong; see special-case below in helper */ |
0dee3c28 SW |
271 | CEPH_OSD_OP_CALL = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_EXEC | 1, |
272 | ||
273 | /** pg **/ | |
274 | CEPH_OSD_OP_PGLS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_PG | 1, | |
0315a777 | 275 | CEPH_OSD_OP_PGLS_FILTER = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_PG | 2, |
0dee3c28 SW |
276 | }; |
277 | ||
278 | static inline int ceph_osd_op_type_lock(int op) | |
279 | { | |
280 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_LOCK; | |
281 | } | |
282 | static inline int ceph_osd_op_type_data(int op) | |
283 | { | |
284 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_DATA; | |
285 | } | |
286 | static inline int ceph_osd_op_type_attr(int op) | |
287 | { | |
288 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_ATTR; | |
289 | } | |
290 | static inline int ceph_osd_op_type_exec(int op) | |
291 | { | |
292 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_EXEC; | |
293 | } | |
294 | static inline int ceph_osd_op_type_pg(int op) | |
295 | { | |
296 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_PG; | |
297 | } | |
0315a777 AE |
298 | static inline int ceph_osd_op_type_multi(int op) |
299 | { | |
300 | return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_MULTI; | |
301 | } | |
0dee3c28 SW |
302 | |
303 | static inline int ceph_osd_op_mode_subop(int op) | |
304 | { | |
305 | return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_SUB; | |
306 | } | |
307 | static inline int ceph_osd_op_mode_read(int op) | |
308 | { | |
0315a777 AE |
309 | return (op & CEPH_OSD_OP_MODE_RD) && |
310 | op != CEPH_OSD_OP_CALL; | |
0dee3c28 SW |
311 | } |
312 | static inline int ceph_osd_op_mode_modify(int op) | |
313 | { | |
0315a777 | 314 | return op & CEPH_OSD_OP_MODE_WR; |
0dee3c28 SW |
315 | } |
316 | ||
f0b18d9f SW |
317 | /* |
318 | * note that the following tmap stuff is also defined in the ceph librados.h | |
319 | * any modification here needs to be updated there | |
320 | */ | |
0dee3c28 SW |
321 | #define CEPH_OSD_TMAP_HDR 'h' |
322 | #define CEPH_OSD_TMAP_SET 's' | |
0315a777 | 323 | #define CEPH_OSD_TMAP_CREATE 'c' /* create key */ |
0dee3c28 | 324 | #define CEPH_OSD_TMAP_RM 'r' |
0315a777 | 325 | #define CEPH_OSD_TMAP_RMSLOPPY 'R' |
0dee3c28 SW |
326 | |
327 | extern const char *ceph_osd_op_name(int op); | |
328 | ||
0dee3c28 SW |
329 | /* |
330 | * osd op flags | |
331 | * | |
332 | * An op may be READ, WRITE, or READ|WRITE. | |
333 | */ | |
334 | enum { | |
0315a777 AE |
335 | CEPH_OSD_FLAG_ACK = 0x0001, /* want (or is) "ack" ack */ |
336 | CEPH_OSD_FLAG_ONNVRAM = 0x0002, /* want (or is) "onnvram" ack */ | |
337 | CEPH_OSD_FLAG_ONDISK = 0x0004, /* want (or is) "ondisk" ack */ | |
338 | CEPH_OSD_FLAG_RETRY = 0x0008, /* resend attempt */ | |
339 | CEPH_OSD_FLAG_READ = 0x0010, /* op may read */ | |
340 | CEPH_OSD_FLAG_WRITE = 0x0020, /* op may write */ | |
341 | CEPH_OSD_FLAG_ORDERSNAP = 0x0040, /* EOLDSNAP if snapc is out of order */ | |
342 | CEPH_OSD_FLAG_PEERSTAT_OLD = 0x0080, /* DEPRECATED msg includes osd_peer_stat */ | |
343 | CEPH_OSD_FLAG_BALANCE_READS = 0x0100, | |
344 | CEPH_OSD_FLAG_PARALLELEXEC = 0x0200, /* execute op in parallel */ | |
345 | CEPH_OSD_FLAG_PGOP = 0x0400, /* pg op, no object */ | |
346 | CEPH_OSD_FLAG_EXEC = 0x0800, /* op may exec */ | |
347 | CEPH_OSD_FLAG_EXEC_PUBLIC = 0x1000, /* DEPRECATED op may exec (public) */ | |
348 | CEPH_OSD_FLAG_LOCALIZE_READS = 0x2000, /* read from nearby replica, if any */ | |
349 | CEPH_OSD_FLAG_RWORDERED = 0x4000, /* order wrt concurrent reads */ | |
1b3f2ab5 ID |
350 | CEPH_OSD_FLAG_IGNORE_CACHE = 0x8000, /* ignore cache logic */ |
351 | CEPH_OSD_FLAG_SKIPRWLOCKS = 0x10000, /* skip rw locks */ | |
352 | CEPH_OSD_FLAG_IGNORE_OVERLAY = 0x20000, /* ignore pool overlay */ | |
353 | CEPH_OSD_FLAG_FLUSH = 0x40000, /* this is part of flush */ | |
0dee3c28 SW |
354 | }; |
355 | ||
356 | enum { | |
357 | CEPH_OSD_OP_FLAG_EXCL = 1, /* EXCL object create */ | |
0315a777 | 358 | CEPH_OSD_OP_FLAG_FAILOK = 2, /* continue despite failure */ |
0dee3c28 SW |
359 | }; |
360 | ||
361 | #define EOLDSNAPC ERESTART /* ORDERSNAP flag set; writer has old snapc*/ | |
362 | #define EBLACKLISTED ESHUTDOWN /* blacklisted */ | |
363 | ||
ca9d93a2 SW |
364 | /* xattr comparison */ |
365 | enum { | |
366 | CEPH_OSD_CMPXATTR_OP_NOP = 0, | |
367 | CEPH_OSD_CMPXATTR_OP_EQ = 1, | |
368 | CEPH_OSD_CMPXATTR_OP_NE = 2, | |
369 | CEPH_OSD_CMPXATTR_OP_GT = 3, | |
370 | CEPH_OSD_CMPXATTR_OP_GTE = 4, | |
371 | CEPH_OSD_CMPXATTR_OP_LT = 5, | |
372 | CEPH_OSD_CMPXATTR_OP_LTE = 6 | |
373 | }; | |
374 | ||
375 | enum { | |
376 | CEPH_OSD_CMPXATTR_MODE_STRING = 1, | |
377 | CEPH_OSD_CMPXATTR_MODE_U64 = 2 | |
378 | }; | |
379 | ||
483fac71 YS |
380 | #define RADOS_NOTIFY_VER 1 |
381 | ||
0dee3c28 SW |
382 | /* |
383 | * an individual object operation. each may be accompanied by some data | |
384 | * payload | |
385 | */ | |
386 | struct ceph_osd_op { | |
387 | __le16 op; /* CEPH_OSD_OP_* */ | |
7b25bf5f | 388 | __le32 flags; /* CEPH_OSD_OP_FLAG_* */ |
0dee3c28 SW |
389 | union { |
390 | struct { | |
391 | __le64 offset, length; | |
0c948992 YS |
392 | __le64 truncate_size; |
393 | __le32 truncate_seq; | |
0dee3c28 SW |
394 | } __attribute__ ((packed)) extent; |
395 | struct { | |
396 | __le32 name_len; | |
397 | __le32 value_len; | |
ca9d93a2 SW |
398 | __u8 cmp_op; /* CEPH_OSD_CMPXATTR_OP_* */ |
399 | __u8 cmp_mode; /* CEPH_OSD_CMPXATTR_MODE_* */ | |
0dee3c28 | 400 | } __attribute__ ((packed)) xattr; |
0dee3c28 SW |
401 | struct { |
402 | __u8 class_len; | |
403 | __u8 method_len; | |
404 | __u8 argc; | |
405 | __le32 indata_len; | |
406 | } __attribute__ ((packed)) cls; | |
407 | struct { | |
408 | __le64 cookie, count; | |
409 | } __attribute__ ((packed)) pgls; | |
f0b18d9f SW |
410 | struct { |
411 | __le64 snapid; | |
412 | } __attribute__ ((packed)) snap; | |
483fac71 YS |
413 | struct { |
414 | __le64 cookie; | |
415 | __le64 ver; | |
416 | __u8 flag; /* 0 = unwatch, 1 = watch */ | |
417 | } __attribute__ ((packed)) watch; | |
0315a777 AE |
418 | struct { |
419 | __le64 offset, length; | |
420 | __le64 src_offset; | |
421 | } __attribute__ ((packed)) clonerange; | |
c647b8a8 ID |
422 | struct { |
423 | __le64 expected_object_size; | |
424 | __le64 expected_write_size; | |
425 | } __attribute__ ((packed)) alloc_hint; | |
0315a777 | 426 | }; |
0dee3c28 SW |
427 | __le32 payload_len; |
428 | } __attribute__ ((packed)); | |
429 | ||
0dee3c28 SW |
430 | |
431 | #endif |