Sage Weil | 5cd068c | 2010-07-07 08:38:17 -0700 | [diff] [blame] | 1 | #ifndef CEPH_RADOS_H |
| 2 | #define CEPH_RADOS_H |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 3 | |
| 4 | /* |
| 5 | * Data types for the Ceph distributed object storage layer RADOS |
| 6 | * (Reliable Autonomic Distributed Object Store). |
| 7 | */ |
| 8 | |
David Howells | a1ce392 | 2012-10-02 18:01:25 +0100 | [diff] [blame] | 9 | #include <linux/ceph/msgr.h> |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 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 | |
Sage Weil | d85b705 | 2010-05-10 10:24:48 -0700 | [diff] [blame] | 53 | #define CEPH_PG_MAX_SIZE 16 /* max # osds in a single pg */ |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 54 | |
| 55 | /* |
| 56 | * placement group. |
| 57 | * we encode this into one __le64. |
| 58 | */ |
Sage Weil | 12979354 | 2013-01-08 09:15:10 -0800 | [diff] [blame] | 59 | struct ceph_pg_v1 { |
Sage Weil | 5104212 | 2009-11-04 11:39:12 -0800 | [diff] [blame] | 60 | __le16 preferred; /* preferred primary osd */ |
| 61 | __le16 ps; /* placement seed */ |
| 62 | __le32 pool; /* object pool */ |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 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 | */ |
Alex Elder | 86b00e0 | 2012-10-25 23:34:42 -0500 | [diff] [blame] | 82 | #define CEPH_NOPOOL ((__u64) (-1)) /* pool id not defined */ |
| 83 | |
Ilya Dryomov | 2abebdb | 2014-03-24 17:12:47 +0200 | [diff] [blame] | 84 | #define CEPH_POOL_TYPE_REP 1 |
| 85 | #define CEPH_POOL_TYPE_RAID4 2 /* never implemented */ |
| 86 | #define CEPH_POOL_TYPE_EC 3 |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 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 { |
Sage Weil | 12979354 | 2013-01-08 09:15:10 -0800 | [diff] [blame] | 109 | struct ceph_pg_v1 ol_pgid; /* raw pg, with _full_ ps precision. */ |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 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 { |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 117 | __le64 version; |
Ilya Dryomov | 985c167 | 2016-04-28 16:07:22 +0200 | [diff] [blame] | 118 | __le32 epoch; |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 119 | } __attribute__ ((packed)); |
| 120 | |
| 121 | /* |
| 122 | * osd map bits |
| 123 | */ |
| 124 | |
| 125 | /* status bits */ |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 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 */ |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 130 | |
Alex Elder | 4b568b1 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 131 | extern const char *ceph_osd_state_name(int s); |
| 132 | |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 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 | |
Ilya Dryomov | 2cfa34f | 2014-03-21 19:05:30 +0200 | [diff] [blame] | 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 | |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 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 */ |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 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 */ |
Ilya Dryomov | 63244fa | 2016-04-28 16:07:23 +0200 | [diff] [blame] | 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 */ |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 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 |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 167 | |
| 168 | /* |
| 169 | * osd ops |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 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. |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 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 |
Ilya Dryomov | 70b5bfa | 2014-10-02 17:22:29 +0400 | [diff] [blame] | 180 | #define CEPH_OSD_OP_MODE_CACHE 0x8000 |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 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 |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 188 | #define CEPH_OSD_OP_TYPE_MULTI 0x0600 /* multiobject */ |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 189 | |
Ilya Dryomov | 70b5bfa | 2014-10-02 17:22:29 +0400 | [diff] [blame] | 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") |
| 314 | |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 315 | enum { |
Ilya Dryomov | 70b5bfa | 2014-10-02 17:22:29 +0400 | [diff] [blame] | 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 |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 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 | } |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 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 | } |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 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 | { |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 352 | return (op & CEPH_OSD_OP_MODE_RD) && |
| 353 | op != CEPH_OSD_OP_CALL; |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 354 | } |
| 355 | static inline int ceph_osd_op_mode_modify(int op) |
| 356 | { |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 357 | return op & CEPH_OSD_OP_MODE_WR; |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 358 | } |
| 359 | |
Sage Weil | f0b18d9 | 2010-07-07 08:39:03 -0700 | [diff] [blame] | 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 | */ |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 364 | #define CEPH_OSD_TMAP_HDR 'h' |
| 365 | #define CEPH_OSD_TMAP_SET 's' |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 366 | #define CEPH_OSD_TMAP_CREATE 'c' /* create key */ |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 367 | #define CEPH_OSD_TMAP_RM 'r' |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 368 | #define CEPH_OSD_TMAP_RMSLOPPY 'R' |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 369 | |
| 370 | extern const char *ceph_osd_op_name(int op); |
| 371 | |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 372 | /* |
| 373 | * osd op flags |
| 374 | * |
| 375 | * An op may be READ, WRITE, or READ|WRITE. |
| 376 | */ |
| 377 | enum { |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 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 */ |
Ilya Dryomov | 1b3f2ab | 2014-01-27 17:40:19 +0200 | [diff] [blame] | 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 */ |
Ilya Dryomov | bb873b5 | 2016-05-26 00:29:52 +0200 | [diff] [blame^] | 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 */ |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 404 | }; |
| 405 | |
| 406 | enum { |
| 407 | CEPH_OSD_OP_FLAG_EXCL = 1, /* EXCL object create */ |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 408 | CEPH_OSD_OP_FLAG_FAILOK = 2, /* continue despite failure */ |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 409 | }; |
| 410 | |
| 411 | #define EOLDSNAPC ERESTART /* ORDERSNAP flag set; writer has old snapc*/ |
| 412 | #define EBLACKLISTED ESHUTDOWN /* blacklisted */ |
| 413 | |
Sage Weil | ca9d93a | 2010-05-12 14:48:20 -0700 | [diff] [blame] | 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 | |
Yehuda Sadeh | 483fac7 | 2011-01-20 16:36:06 -0800 | [diff] [blame] | 430 | #define RADOS_NOTIFY_VER 1 |
| 431 | |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 432 | /* |
| 433 | * an individual object operation. each may be accompanied by some data |
| 434 | * payload |
| 435 | */ |
| 436 | struct ceph_osd_op { |
| 437 | __le16 op; /* CEPH_OSD_OP_* */ |
Ilya Dryomov | 7b25bf5 | 2014-02-25 16:22:26 +0200 | [diff] [blame] | 438 | __le32 flags; /* CEPH_OSD_OP_FLAG_* */ |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 439 | union { |
| 440 | struct { |
| 441 | __le64 offset, length; |
Yehuda Sadeh | 0c94899 | 2010-02-01 16:10:45 -0800 | [diff] [blame] | 442 | __le64 truncate_size; |
| 443 | __le32 truncate_seq; |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 444 | } __attribute__ ((packed)) extent; |
| 445 | struct { |
| 446 | __le32 name_len; |
| 447 | __le32 value_len; |
Sage Weil | ca9d93a | 2010-05-12 14:48:20 -0700 | [diff] [blame] | 448 | __u8 cmp_op; /* CEPH_OSD_CMPXATTR_OP_* */ |
| 449 | __u8 cmp_mode; /* CEPH_OSD_CMPXATTR_MODE_* */ |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 450 | } __attribute__ ((packed)) xattr; |
| 451 | struct { |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 452 | __u8 class_len; |
| 453 | __u8 method_len; |
| 454 | __u8 argc; |
| 455 | __le32 indata_len; |
| 456 | } __attribute__ ((packed)) cls; |
| 457 | struct { |
| 458 | __le64 cookie, count; |
| 459 | } __attribute__ ((packed)) pgls; |
Sage Weil | f0b18d9 | 2010-07-07 08:39:03 -0700 | [diff] [blame] | 460 | struct { |
| 461 | __le64 snapid; |
| 462 | } __attribute__ ((packed)) snap; |
Yehuda Sadeh | 483fac7 | 2011-01-20 16:36:06 -0800 | [diff] [blame] | 463 | struct { |
| 464 | __le64 cookie; |
| 465 | __le64 ver; |
| 466 | __u8 flag; /* 0 = unwatch, 1 = watch */ |
| 467 | } __attribute__ ((packed)) watch; |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 468 | struct { |
| 469 | __le64 offset, length; |
| 470 | __le64 src_offset; |
| 471 | } __attribute__ ((packed)) clonerange; |
Ilya Dryomov | c647b8a | 2014-02-25 16:22:27 +0200 | [diff] [blame] | 472 | struct { |
| 473 | __le64 expected_object_size; |
| 474 | __le64 expected_write_size; |
| 475 | } __attribute__ ((packed)) alloc_hint; |
Alex Elder | 0315a77 | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 476 | }; |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 477 | __le32 payload_len; |
| 478 | } __attribute__ ((packed)); |
| 479 | |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 480 | |
Sage Weil | 0dee3c2 | 2009-10-06 11:31:06 -0700 | [diff] [blame] | 481 | #endif |