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Diffstat (limited to 'src/include/ceph_features.h')
| -rw-r--r-- | src/include/ceph_features.h | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/src/include/ceph_features.h b/src/include/ceph_features.h new file mode 100644 index 000000000..39a32027c --- /dev/null +++ b/src/include/ceph_features.h @@ -0,0 +1,279 @@ +#ifndef __CEPH_FEATURES +#define __CEPH_FEATURES + +#include "sys/types.h" + +/* + * Each time we reclaim bits for reuse we need to specify another + * bitmask that, if all bits are set, indicates we have the new + * incarnation of that feature. Base case is 1 (first use) + */ +#define CEPH_FEATURE_INCARNATION_1 (0ull) +#define CEPH_FEATURE_INCARNATION_2 (1ull<<57) // SERVER_JEWEL +#define CEPH_FEATURE_INCARNATION_3 ((1ull<<57)|(1ull<<28)) // SERVER_MIMIC + +#define DEFINE_CEPH_FEATURE(bit, incarnation, name) \ + const static uint64_t CEPH_FEATURE_##name = (1ULL<<bit); \ + const static uint64_t CEPH_FEATUREMASK_##name = \ + (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); + +// this bit is ignored but still advertised by release *when* +#define DEFINE_CEPH_FEATURE_DEPRECATED(bit, incarnation, name, when) \ + const static uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<<bit); \ + const static uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \ + (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); + +// this bit is ignored by release *unused* and not advertised by +// release *unadvertised* +#define DEFINE_CEPH_FEATURE_RETIRED(bit, inc, name, unused, unadvertised) + + +// test for a feature. this test is safer than a typical mask against +// the bit because it ensures that we have the bit AND the marker for the +// bit's incarnation. this must be used in any case where the features +// bits may include an old meaning of the bit. +#define HAVE_FEATURE(x, name) \ + (((x) & (CEPH_FEATUREMASK_##name)) == (CEPH_FEATUREMASK_##name)) + + +/* + * Notes on deprecation: + * + * For feature bits used *only* on the server-side: + * + * - In the first phase we indicate that a feature is DEPRECATED as of + * a particular release. This is the first major release X (say, + * mimic) that does not depend on its peers advertising the feature. + * That is, it safely assumes its peers all have the feature. We + * indicate this with the DEPRECATED macro. For example, + * + * DEFINE_CEPH_FEATURE_DEPRECATED( 2, 1, MON_METADATA, MIMIC) + * + * because 13.2.z (mimic) did not care if its peers advertised this + * feature bit. + * + * - In the second phase we stop advertising the the bit and call it + * RETIRED. This can normally be done 2 major releases + * following the one in which we marked the feature DEPRECATED. In + * the above example, for 15.0.z (octopus) we can say: + * + * DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MON_METADATA, MIMIC, OCTOPUS) + * + * - The bit can be reused in the next release that will never talk to + * a pre-octopus daemon (13 mimic or 14 nautlius) that advertises the + * bit: in this case, the 16.y.z (P-release). + * + * This ensures that no two versions who have different meanings for + * the bit ever speak to each other. + */ + +/* + * Notes on the kernel client: + * + * - "X" means that the feature bit has been advertised and supported + * since kernel X + * + * - "X req" means that the feature bit has been advertised and required + * since kernel X + * + * The remaining feature bits are not and have never been used by the + * kernel client. + */ + +DEFINE_CEPH_FEATURE( 0, 1, UID) +DEFINE_CEPH_FEATURE( 1, 1, NOSRCADDR) // 2.6.35 req +DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK, JEWEL, LUMINOUS) +DEFINE_CEPH_FEATURE( 2, 3, SERVER_NAUTILUS) +DEFINE_CEPH_FEATURE( 3, 1, FLOCK) // 2.6.36 +DEFINE_CEPH_FEATURE( 4, 1, SUBSCRIBE2) // 4.6 req +DEFINE_CEPH_FEATURE( 5, 1, MONNAMES) +DEFINE_CEPH_FEATURE( 6, 1, RECONNECT_SEQ) // 3.10 req +DEFINE_CEPH_FEATURE( 7, 1, DIRLAYOUTHASH) // 2.6.38 +DEFINE_CEPH_FEATURE( 8, 1, OBJECTLOCATOR) +DEFINE_CEPH_FEATURE( 9, 1, PGID64) // 3.9 req +DEFINE_CEPH_FEATURE(10, 1, INCSUBOSDMAP) +DEFINE_CEPH_FEATURE(11, 1, PGPOOL3) // 3.9 req +DEFINE_CEPH_FEATURE(12, 1, OSDREPLYMUX) +DEFINE_CEPH_FEATURE(13, 1, OSDENC) // 3.9 req +DEFINE_CEPH_FEATURE_RETIRED(14, 1, OMAP, HAMMER, JEWEL) +DEFINE_CEPH_FEATURE(14, 2, SERVER_KRAKEN) +DEFINE_CEPH_FEATURE(15, 1, MONENC) +DEFINE_CEPH_FEATURE_RETIRED(16, 1, QUERY_T, JEWEL, LUMINOUS) +DEFINE_CEPH_FEATURE(16, 3, SERVER_OCTOPUS) +DEFINE_CEPH_FEATURE(16, 3, OSD_REPOP_MLCOD) +DEFINE_CEPH_FEATURE_RETIRED(17, 1, INDEP_PG_MAP, JEWEL, LUMINOUS) +DEFINE_CEPH_FEATURE(17, 3, OS_PERF_STAT_NS) +DEFINE_CEPH_FEATURE(18, 1, CRUSH_TUNABLES) // 3.6 +DEFINE_CEPH_FEATURE_RETIRED(19, 1, CHUNKY_SCRUB, JEWEL, LUMINOUS) +DEFINE_CEPH_FEATURE(19, 2, OSD_PGLOG_HARDLIMIT) +DEFINE_CEPH_FEATURE_RETIRED(20, 1, MON_NULLROUTE, JEWEL, LUMINOUS) +DEFINE_CEPH_FEATURE(20, 3, SERVER_PACIFIC) +DEFINE_CEPH_FEATURE_RETIRED(21, 1, MON_GV, HAMMER, JEWEL) +DEFINE_CEPH_FEATURE(21, 2, SERVER_LUMINOUS) // 4.13 +DEFINE_CEPH_FEATURE(21, 2, RESEND_ON_SPLIT) // overlap +DEFINE_CEPH_FEATURE(21, 2, RADOS_BACKOFF) // overlap +DEFINE_CEPH_FEATURE(21, 2, OSDMAP_PG_UPMAP) // overlap +DEFINE_CEPH_FEATURE(21, 2, CRUSH_CHOOSE_ARGS) // overlap +DEFINE_CEPH_FEATURE_RETIRED(22, 1, BACKFILL_RESERVATION, JEWEL, LUMINOUS) +DEFINE_CEPH_FEATURE(22, 2, OSD_FIXED_COLLECTION_LIST) +DEFINE_CEPH_FEATURE(23, 1, MSG_AUTH) // 3.19 req (unless nocephx_require_signatures) +DEFINE_CEPH_FEATURE_RETIRED(24, 1, RECOVERY_RESERVATION, JEWEL, LUMINOUS) +DEFINE_CEPH_FEATURE(24, 2, RECOVERY_RESERVATION_2) +DEFINE_CEPH_FEATURE(25, 1, CRUSH_TUNABLES2) // 3.9 +DEFINE_CEPH_FEATURE(26, 1, CREATEPOOLID) +DEFINE_CEPH_FEATURE(27, 1, REPLY_CREATE_INODE) // 3.9 +DEFINE_CEPH_FEATURE_RETIRED(28, 1, OSD_HBMSGS, HAMMER, JEWEL) +DEFINE_CEPH_FEATURE(28, 2, SERVER_MIMIC) +DEFINE_CEPH_FEATURE(29, 1, MDSENC) // 4.7 +DEFINE_CEPH_FEATURE(30, 1, OSDHASHPSPOOL) // 3.9 +DEFINE_CEPH_FEATURE_DEPRECATED(31, 1, MON_SINGLE_PAXOS, NAUTILUS) +DEFINE_CEPH_FEATURE_RETIRED(32, 1, OSD_SNAPMAPPER, JEWEL, LUMINOUS) +DEFINE_CEPH_FEATURE(32, 3, STRETCH_MODE) +DEFINE_CEPH_FEATURE_RETIRED(33, 1, MON_SCRUB, JEWEL, LUMINOUS) +// available +DEFINE_CEPH_FEATURE_RETIRED(34, 1, OSD_PACKED_RECOVERY, JEWEL, LUMINOUS) +DEFINE_CEPH_FEATURE(34, 3, RANGE_BLOCKLIST) +DEFINE_CEPH_FEATURE(35, 1, OSD_CACHEPOOL) // 3.14 +DEFINE_CEPH_FEATURE(36, 1, CRUSH_V2) // 3.14 +DEFINE_CEPH_FEATURE(37, 1, EXPORT_PEER) // 3.14 +DEFINE_CEPH_FEATURE_RETIRED(38, 1, OSD_ERASURE_CODES, MIMIC, OCTOPUS) +// available +DEFINE_CEPH_FEATURE(39, 1, OSDMAP_ENC) // 3.15 +DEFINE_CEPH_FEATURE(40, 1, MDS_INLINE_DATA) // 3.19 +DEFINE_CEPH_FEATURE(41, 1, CRUSH_TUNABLES3) // 3.15 +DEFINE_CEPH_FEATURE(41, 1, OSD_PRIMARY_AFFINITY) // overlap +DEFINE_CEPH_FEATURE(42, 1, MSGR_KEEPALIVE2) // 4.3 (for consistency) +DEFINE_CEPH_FEATURE(43, 1, OSD_POOLRESEND) // 4.13 +DEFINE_CEPH_FEATURE_RETIRED(44, 1, ERASURE_CODE_PLUGINS_V2, MIMIC, OCTOPUS) +// available +DEFINE_CEPH_FEATURE_RETIRED(45, 1, OSD_SET_ALLOC_HINT, JEWEL, LUMINOUS) +// available +DEFINE_CEPH_FEATURE(46, 1, OSD_FADVISE_FLAGS) +DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_REPOP, JEWEL, LUMINOUS) // overlap +DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_OBJECT_DIGEST, JEWEL, LUMINOUS) // overlap +DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_TRANSACTION_MAY_LAYOUT, JEWEL, LUMINOUS) // overlap +DEFINE_CEPH_FEATURE(47, 1, MDS_QUOTA) // 4.17 +DEFINE_CEPH_FEATURE(48, 1, CRUSH_V4) // 4.1 +DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_MIN_SIZE_RECOVERY, JEWEL, LUMINOUS) +DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_PROXY_FEATURES, JEWEL, LUMINOUS) // overlap +// available +DEFINE_CEPH_FEATURE_RETIRED(50, 1, MON_METADATA, MIMIC, OCTOPUS) +// available +DEFINE_CEPH_FEATURE_RETIRED(51, 1, OSD_BITWISE_HOBJ_SORT, MIMIC, OCTOPUS) +// available +DEFINE_CEPH_FEATURE_RETIRED(52, 1, OSD_PROXY_WRITE_FEATURES, MIMIC, OCTOPUS) +// available +DEFINE_CEPH_FEATURE_RETIRED(53, 1, ERASURE_CODE_PLUGINS_V3, MIMIC, OCTOPUS) +// available +DEFINE_CEPH_FEATURE_RETIRED(54, 1, OSD_HITSET_GMT, MIMIC, OCTOPUS) +// available +DEFINE_CEPH_FEATURE_RETIRED(55, 1, HAMMER_0_94_4, MIMIC, OCTOPUS) +// available +DEFINE_CEPH_FEATURE(56, 1, NEW_OSDOP_ENCODING) // 4.13 (for pg_pool_t >= v25) +DEFINE_CEPH_FEATURE(57, 1, MON_STATEFUL_SUB) // 4.13 +DEFINE_CEPH_FEATURE_RETIRED(57, 1, MON_ROUTE_OSDMAP, MIMIC, OCTOPUS) // overlap +DEFINE_CEPH_FEATURE(57, 1, SERVER_JEWEL) // overlap +DEFINE_CEPH_FEATURE(58, 1, CRUSH_TUNABLES5) // 4.5 +DEFINE_CEPH_FEATURE(58, 1, NEW_OSDOPREPLY_ENCODING) // overlap +DEFINE_CEPH_FEATURE(58, 1, FS_FILE_LAYOUT_V2) // overlap +DEFINE_CEPH_FEATURE(59, 1, FS_BTIME) +DEFINE_CEPH_FEATURE(59, 1, FS_CHANGE_ATTR) // overlap +DEFINE_CEPH_FEATURE(59, 1, MSG_ADDR2) // overlap +DEFINE_CEPH_FEATURE(60, 1, OSD_RECOVERY_DELETES) // *do not share this bit* +DEFINE_CEPH_FEATURE(61, 1, CEPHX_V2) // 4.19, *do not share this bit* + +DEFINE_CEPH_FEATURE(62, 1, RESERVED) // do not use; used as a sentinel +DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN, LUMINOUS) // client-facing + + +/* + * Features supported. Should be everything above. + */ +#define CEPH_FEATURES_ALL \ + (CEPH_FEATURE_UID | \ + CEPH_FEATURE_NOSRCADDR | \ + CEPH_FEATURE_FLOCK | \ + CEPH_FEATURE_SUBSCRIBE2 | \ + CEPH_FEATURE_MONNAMES | \ + CEPH_FEATURE_RECONNECT_SEQ | \ + CEPH_FEATURE_DIRLAYOUTHASH | \ + CEPH_FEATURE_OBJECTLOCATOR | \ + CEPH_FEATURE_PGID64 | \ + CEPH_FEATURE_INCSUBOSDMAP | \ + CEPH_FEATURE_PGPOOL3 | \ + CEPH_FEATURE_OSDREPLYMUX | \ + CEPH_FEATURE_OSDENC | \ + CEPH_FEATURE_MONENC | \ + CEPH_FEATURE_CRUSH_TUNABLES | \ + CEPH_FEATURE_MSG_AUTH | \ + CEPH_FEATURE_CRUSH_TUNABLES2 | \ + CEPH_FEATURE_CREATEPOOLID | \ + CEPH_FEATURE_REPLY_CREATE_INODE | \ + CEPH_FEATURE_MDSENC | \ + CEPH_FEATURE_OSDHASHPSPOOL | \ + CEPH_FEATURE_NEW_OSDOP_ENCODING | \ + CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING | \ + DEPRECATED_CEPH_FEATURE_MON_SINGLE_PAXOS | \ + CEPH_FEATURE_OSD_CACHEPOOL | \ + CEPH_FEATURE_CRUSH_V2 | \ + CEPH_FEATURE_EXPORT_PEER | \ + CEPH_FEATURE_OSDMAP_ENC | \ + CEPH_FEATURE_MDS_INLINE_DATA | \ + CEPH_FEATURE_CRUSH_TUNABLES3 | \ + CEPH_FEATURE_OSD_PRIMARY_AFFINITY | \ + CEPH_FEATURE_MSGR_KEEPALIVE2 | \ + CEPH_FEATURE_OSD_POOLRESEND | \ + CEPH_FEATURE_OSD_FADVISE_FLAGS | \ + CEPH_FEATURE_MDS_QUOTA | \ + CEPH_FEATURE_CRUSH_V4 | \ + CEPH_FEATURE_MON_STATEFUL_SUB | \ + CEPH_FEATURE_CRUSH_TUNABLES5 | \ + CEPH_FEATURE_SERVER_JEWEL | \ + CEPH_FEATURE_FS_FILE_LAYOUT_V2 | \ + CEPH_FEATURE_SERVER_KRAKEN | \ + CEPH_FEATURE_FS_BTIME | \ + CEPH_FEATURE_FS_CHANGE_ATTR | \ + CEPH_FEATURE_MSG_ADDR2 | \ + CEPH_FEATURE_SERVER_LUMINOUS | \ + CEPH_FEATURE_RESEND_ON_SPLIT | \ + CEPH_FEATURE_RADOS_BACKOFF | \ + CEPH_FEATURE_OSD_RECOVERY_DELETES | \ + CEPH_FEATURE_SERVER_MIMIC | \ + CEPH_FEATURE_RECOVERY_RESERVATION_2 | \ + CEPH_FEATURE_SERVER_NAUTILUS | \ + CEPH_FEATURE_CEPHX_V2 | \ + CEPH_FEATURE_OSD_PGLOG_HARDLIMIT | \ + CEPH_FEATUREMASK_SERVER_OCTOPUS | \ + CEPH_FEATUREMASK_STRETCH_MODE | \ + CEPH_FEATUREMASK_OSD_REPOP_MLCOD | \ + CEPH_FEATUREMASK_SERVER_PACIFIC | \ + CEPH_FEATURE_OSD_FIXED_COLLECTION_LIST | \ + CEPH_FEATURE_RANGE_BLOCKLIST | \ + 0ULL) + +#define CEPH_FEATURES_SUPPORTED_DEFAULT CEPH_FEATURES_ALL + +/* + * crush related features + */ +#define CEPH_FEATURES_CRUSH \ + (CEPH_FEATURE_CRUSH_TUNABLES | \ + CEPH_FEATURE_CRUSH_TUNABLES2 | \ + CEPH_FEATURE_CRUSH_TUNABLES3 | \ + CEPH_FEATURE_CRUSH_TUNABLES5 | \ + CEPH_FEATURE_CRUSH_V2 | \ + CEPH_FEATURE_CRUSH_V4 | \ + CEPH_FEATUREMASK_CRUSH_CHOOSE_ARGS) + +/* + * make sure we don't try to use the reserved features + */ +#define CEPH_STATIC_ASSERT(x) (void)(sizeof(int[((x)==0) ? -1 : 0])) + +static inline void ____build_time_check_for_reserved_bits(void) { + CEPH_STATIC_ASSERT((CEPH_FEATURES_ALL & + (CEPH_FEATURE_RESERVED | + DEPRECATED_CEPH_FEATURE_RESERVED_BROKEN)) == 0); +} + +#endif |