1 /* SPDX-License-Identifier: GPL-2.0 */
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 */
40  * object layout - how objects are mapped into PGs
47  * pg layout -- how PGs are mapped onto (sets of) OSDs
69  *  pg_num -- base number of pseudorandomly placed pgs
71  *  pgp_num -- effective number when calculating pg placement.  this
78  *  lpg_num -- localized pg count (per device).  replicas are randomly
81  *  lpgp_num -- as above.
83 #define CEPH_NOPOOL  ((__u64) (-1))  /* pool id not defined */
91  * similar to straight-up modulo, but produces a stable mapping as b
95  * b <= bmask and bmask=(2**n)-1
96  * e.g., b=12 -> bmask=15, b=123 -> bmask=127
107  * object layout - how a given object should be stored.
111 	__le32 ol_stripe_unit;    /* for per-object parity, if any */
138 /* osd primary-affinity.  fixed point value: 0x10000 == baseline */
153 #define CEPH_OSDMAP_NOUP     (1<<5)  /* block osd boot */
154 #define CEPH_OSDMAP_NODOWN   (1<<6)  /* block osd mark-down/failure */
155 #define CEPH_OSDMAP_NOOUT    (1<<7)  /* block osd auto mark-out */
156 #define CEPH_OSDMAP_NOIN     (1<<8)  /* block osd auto mark-in */
157 #define CEPH_OSDMAP_NOBACKFILL (1<<9) /* block osd backfill */
158 #define CEPH_OSDMAP_NORECOVER (1<<10) /* block osd recovery and backfill */
159 #define CEPH_OSDMAP_NOSCRUB  (1<<11) /* block periodic scrub */
160 #define CEPH_OSDMAP_NODEEP_SCRUB (1<<12) /* block periodic deep-scrub */
162 #define CEPH_OSDMAP_NOREBALANCE (1<<14) /* block osd backfill unless pg is degraded */
178  * WARNING: do not use these op codes directly.  Use the helpers
179  * defined below instead.  In certain cases, op code behavior was
180  * redefined, resulting in special-cases in the helpers.
212 	f(SPARSE_READ,	__CEPH_OSD_OP(RD, DATA, 5),	"sparse-read")	    \
215 	f(NOTIFY_ACK,	__CEPH_OSD_OP(RD, DATA, 7),	"notify-ack")	    \
218 	f(ASSERT_VER,	__CEPH_OSD_OP(RD, DATA, 8),	"assert-version")   \
220 	f(LIST_WATCHERS, __CEPH_OSD_OP(RD, DATA, 9),	"list-watchers")    \
222 	f(LIST_SNAPS,	__CEPH_OSD_OP(RD, DATA, 10),	"list-snaps")	    \
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")	    \
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") \
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") \
274 	f(SETALLOCHINT,	__CEPH_OSD_OP(WR, DATA, 35),	"set-alloc-hint")   \
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")	    \
296 	f(BALANCEREADS,	__CEPH_OSD_OP1(SUB, 3),		"balance-reads")    \
297 	f(UNBALANCEREADS, __CEPH_OSD_OP1(SUB, 4),	"unbalance-reads")  \
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")	    \
313 	/* note: the RD bit here is wrong; see special-case below in helper */ \
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")
323 #define GENERATE_ENUM_ENTRY(op, opcode, str)	CEPH_OSD_OP_##op = (opcode),  argument
328 static inline int ceph_osd_op_type_lock(int op)  in ceph_osd_op_type_lock()  argument
330 	return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_LOCK;  in ceph_osd_op_type_lock()
332 static inline int ceph_osd_op_type_data(int op)  in ceph_osd_op_type_data()  argument
334 	return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_DATA;  in ceph_osd_op_type_data()
336 static inline int ceph_osd_op_type_attr(int op)  in ceph_osd_op_type_attr()  argument
338 	return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_ATTR;  in ceph_osd_op_type_attr()
340 static inline int ceph_osd_op_type_exec(int op)  in ceph_osd_op_type_exec()  argument
342 	return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_EXEC;  in ceph_osd_op_type_exec()
344 static inline int ceph_osd_op_type_pg(int op)  in ceph_osd_op_type_pg()  argument
346 	return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_PG;  in ceph_osd_op_type_pg()
348 static inline int ceph_osd_op_type_multi(int op)  in ceph_osd_op_type_multi()  argument
350 	return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_MULTI;  in ceph_osd_op_type_multi()
353 static inline int ceph_osd_op_mode_subop(int op)  in ceph_osd_op_mode_subop()  argument
355 	return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_SUB;  in ceph_osd_op_mode_subop()
357 static inline int ceph_osd_op_mode_read(int op)  in ceph_osd_op_mode_read()  argument
359 	return (op & CEPH_OSD_OP_MODE_RD) &&  in ceph_osd_op_mode_read()
360 		op != CEPH_OSD_OP_CALL;  in ceph_osd_op_mode_read()
362 static inline int ceph_osd_op_mode_modify(int op)  in ceph_osd_op_mode_modify()  argument
364 	return op & CEPH_OSD_OP_MODE_WR;  in ceph_osd_op_mode_modify()
377 extern const char *ceph_osd_op_name(int op);
380  * osd op flags
382  * An op may be READ, WRITE, or READ|WRITE.
389 	CEPH_OSD_FLAG_READ =           0x0010,  /* op may read */
390 	CEPH_OSD_FLAG_WRITE =          0x0020,  /* op may write */
394 	CEPH_OSD_FLAG_PARALLELEXEC =   0x0200,  /* execute op in parallel */
395 	CEPH_OSD_FLAG_PGOP =           0x0400,  /* pg op, no object */
396 	CEPH_OSD_FLAG_EXEC =           0x0800,  /* op may exec */
397 	CEPH_OSD_FLAG_EXEC_PUBLIC =    0x1000,  /* DEPRECATED op may exec (public) */
400 	CEPH_OSD_FLAG_IGNORE_CACHE =   0x8000,  /* ignore cache logic */
407 	CEPH_OSD_FLAG_REDIRECTED   = 0x200000,  /* op has been redirected */
409 	CEPH_OSD_FLAG_FULL_TRY =    0x800000,  /* try op despite full flag */
410 	CEPH_OSD_FLAG_FULL_FORCE = 0x1000000,  /* force op despite full flag */
416 	CEPH_OSD_OP_FLAG_FADVISE_RANDOM	    = 0x4, /* the op is random */
417 	CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL = 0x8, /* the op is sequential */
448 	CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE = 4,   /* ignore osd cache logic */
452 	CEPH_OSD_COPY_FROM_FLAG_TRUNCATE_SEQ = 32,  /* send truncate_{seq,size} */
458 	/* note: use only ODD ids to prevent pre-giant code from
459 	   interpreting the op as UNWATCH */
491 	__le16 op;           /* CEPH_OSD_OP_* */  member
520 			__u8 op;	/* CEPH_OSD_WATCH_OP_* */  member