1 #ifndef __CEPH_FEATURES 2 #define __CEPH_FEATURES 3 4 /* 5 * Each time we reclaim bits for reuse we need to specify another bit 6 * that, if present, indicates we have the new incarnation of that 7 * feature. Base case is 1 (first use). 8 */ 9 #define CEPH_FEATURE_INCARNATION_1 (0ull) 10 #define CEPH_FEATURE_INCARNATION_2 (1ull<<57) // CEPH_FEATURE_SERVER_JEWEL 11 12 #define DEFINE_CEPH_FEATURE(bit, incarnation, name) \ 13 const static uint64_t CEPH_FEATURE_##name = (1ULL<<bit); \ 14 const static uint64_t CEPH_FEATUREMASK_##name = \ 15 (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); 16 17 /* this bit is ignored but still advertised by release *when* */ 18 #define DEFINE_CEPH_FEATURE_DEPRECATED(bit, incarnation, name, when) \ 19 const static uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<<bit); \ 20 const static uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \ 21 (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); 22 23 /* 24 * this bit is ignored by release *unused* and not advertised by 25 * release *unadvertised* 26 */ 27 #define DEFINE_CEPH_FEATURE_RETIRED(bit, inc, name, unused, unadvertised) 28 29 30 /* 31 * test for a feature. this test is safer than a typical mask against 32 * the bit because it ensures that we have the bit AND the marker for the 33 * bit's incarnation. this must be used in any case where the features 34 * bits may include an old meaning of the bit. 35 */ 36 #define CEPH_HAVE_FEATURE(x, name) \ 37 (((x) & (CEPH_FEATUREMASK_##name)) == (CEPH_FEATUREMASK_##name)) 38 39 40 /* 41 * Notes on deprecation: 42 * 43 * A *major* release is a release through which all upgrades must pass 44 * (e.g., jewel). For example, no pre-jewel server will ever talk to 45 * a post-jewel server (mon, osd, etc). 46 * 47 * For feature bits used *only* on the server-side: 48 * 49 * - In the first phase we indicate that a feature is DEPRECATED as of 50 * a particular release. This is the first major release X (say, 51 * jewel) that does not depend on its peers advertising the feature. 52 * That is, it safely assumes its peers all have the feature. We 53 * indicate this with the DEPRECATED macro. For example, 54 * 55 * DEFINE_CEPH_FEATURE_DEPRECATED( 2, 1, MONCLOCKCHECK, JEWEL) 56 * 57 * because 10.2.z (jewel) did not care if its peers advertised this 58 * feature bit. 59 * 60 * - In the second phase we stop advertising the the bit and call it 61 * RETIRED. This can normally be done in the *next* major release 62 * following the one in which we marked the feature DEPRECATED. In 63 * the above example, for 12.0.z (luminous) we can say: 64 * 65 * DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK, JEWEL, LUMINOUS) 66 * 67 * - The bit can be reused in the first post-luminous release, 13.0.z 68 * (m). 69 * 70 * This ensures that no two versions who have different meanings for 71 * the bit ever speak to each other. 72 */ 73 74 DEFINE_CEPH_FEATURE( 0, 1, UID) 75 DEFINE_CEPH_FEATURE( 1, 1, NOSRCADDR) 76 DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK, JEWEL, LUMINOUS) 77 78 DEFINE_CEPH_FEATURE( 3, 1, FLOCK) 79 DEFINE_CEPH_FEATURE( 4, 1, SUBSCRIBE2) 80 DEFINE_CEPH_FEATURE( 5, 1, MONNAMES) 81 DEFINE_CEPH_FEATURE( 6, 1, RECONNECT_SEQ) 82 DEFINE_CEPH_FEATURE( 7, 1, DIRLAYOUTHASH) 83 DEFINE_CEPH_FEATURE( 8, 1, OBJECTLOCATOR) 84 DEFINE_CEPH_FEATURE( 9, 1, PGID64) 85 DEFINE_CEPH_FEATURE(10, 1, INCSUBOSDMAP) 86 DEFINE_CEPH_FEATURE(11, 1, PGPOOL3) 87 DEFINE_CEPH_FEATURE(12, 1, OSDREPLYMUX) 88 DEFINE_CEPH_FEATURE(13, 1, OSDENC) 89 DEFINE_CEPH_FEATURE_RETIRED(14, 1, OMAP, HAMMER, JEWEL) 90 DEFINE_CEPH_FEATURE(14, 2, SERVER_KRAKEN) 91 DEFINE_CEPH_FEATURE(15, 1, MONENC) 92 DEFINE_CEPH_FEATURE_RETIRED(16, 1, QUERY_T, JEWEL, LUMINOUS) 93 94 DEFINE_CEPH_FEATURE_RETIRED(17, 1, INDEP_PG_MAP, JEWEL, LUMINOUS) 95 96 DEFINE_CEPH_FEATURE(18, 1, CRUSH_TUNABLES) 97 DEFINE_CEPH_FEATURE_RETIRED(19, 1, CHUNKY_SCRUB, JEWEL, LUMINOUS) 98 99 DEFINE_CEPH_FEATURE_RETIRED(20, 1, MON_NULLROUTE, JEWEL, LUMINOUS) 100 101 DEFINE_CEPH_FEATURE_RETIRED(21, 1, MON_GV, HAMMER, JEWEL) 102 DEFINE_CEPH_FEATURE(21, 2, SERVER_LUMINOUS) 103 DEFINE_CEPH_FEATURE(21, 2, RESEND_ON_SPLIT) // overlap 104 DEFINE_CEPH_FEATURE(21, 2, RADOS_BACKOFF) // overlap 105 DEFINE_CEPH_FEATURE(21, 2, OSDMAP_PG_UPMAP) // overlap 106 DEFINE_CEPH_FEATURE(21, 2, CRUSH_CHOOSE_ARGS) // overlap 107 DEFINE_CEPH_FEATURE_RETIRED(22, 1, BACKFILL_RESERVATION, JEWEL, LUMINOUS) 108 109 DEFINE_CEPH_FEATURE(23, 1, MSG_AUTH) 110 DEFINE_CEPH_FEATURE_RETIRED(24, 1, RECOVERY_RESERVATION, JEWEL, LUNINOUS) 111 112 DEFINE_CEPH_FEATURE(25, 1, CRUSH_TUNABLES2) 113 DEFINE_CEPH_FEATURE(26, 1, CREATEPOOLID) 114 DEFINE_CEPH_FEATURE(27, 1, REPLY_CREATE_INODE) 115 DEFINE_CEPH_FEATURE_RETIRED(28, 1, OSD_HBMSGS, HAMMER, JEWEL) 116 DEFINE_CEPH_FEATURE(28, 2, SERVER_M) 117 DEFINE_CEPH_FEATURE(29, 1, MDSENC) 118 DEFINE_CEPH_FEATURE(30, 1, OSDHASHPSPOOL) 119 DEFINE_CEPH_FEATURE(31, 1, MON_SINGLE_PAXOS) // deprecate me 120 DEFINE_CEPH_FEATURE_RETIRED(32, 1, OSD_SNAPMAPPER, JEWEL, LUMINOUS) 121 122 DEFINE_CEPH_FEATURE_RETIRED(33, 1, MON_SCRUB, JEWEL, LUMINOUS) 123 124 DEFINE_CEPH_FEATURE_RETIRED(34, 1, OSD_PACKED_RECOVERY, JEWEL, LUMINOUS) 125 126 DEFINE_CEPH_FEATURE(35, 1, OSD_CACHEPOOL) 127 DEFINE_CEPH_FEATURE(36, 1, CRUSH_V2) 128 DEFINE_CEPH_FEATURE(37, 1, EXPORT_PEER) 129 DEFINE_CEPH_FEATURE(38, 1, OSD_ERASURE_CODES) 130 DEFINE_CEPH_FEATURE(38, 1, OSD_OSD_TMAP2OMAP) // overlap 131 DEFINE_CEPH_FEATURE(39, 1, OSDMAP_ENC) 132 DEFINE_CEPH_FEATURE(40, 1, MDS_INLINE_DATA) 133 DEFINE_CEPH_FEATURE(41, 1, CRUSH_TUNABLES3) 134 DEFINE_CEPH_FEATURE(41, 1, OSD_PRIMARY_AFFINITY) // overlap 135 DEFINE_CEPH_FEATURE(42, 1, MSGR_KEEPALIVE2) 136 DEFINE_CEPH_FEATURE(43, 1, OSD_POOLRESEND) 137 DEFINE_CEPH_FEATURE(44, 1, ERASURE_CODE_PLUGINS_V2) 138 DEFINE_CEPH_FEATURE_RETIRED(45, 1, OSD_SET_ALLOC_HINT, JEWEL, LUMINOUS) 139 140 DEFINE_CEPH_FEATURE(46, 1, OSD_FADVISE_FLAGS) 141 DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_REPOP, JEWEL, LUMINOUS) // overlap 142 DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_OBJECT_DIGEST, JEWEL, LUMINOUS) // overlap 143 DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_TRANSACTION_MAY_LAYOUT, JEWEL, LUMINOUS) // overlap 144 145 DEFINE_CEPH_FEATURE(47, 1, MDS_QUOTA) 146 DEFINE_CEPH_FEATURE(48, 1, CRUSH_V4) 147 DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_MIN_SIZE_RECOVERY, JEWEL, LUMINOUS) 148 DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_PROXY_FEATURES, JEWEL, LUMINOUS) // overlap 149 150 DEFINE_CEPH_FEATURE(50, 1, MON_METADATA) 151 DEFINE_CEPH_FEATURE(51, 1, OSD_BITWISE_HOBJ_SORT) 152 DEFINE_CEPH_FEATURE(52, 1, OSD_PROXY_WRITE_FEATURES) 153 DEFINE_CEPH_FEATURE(53, 1, ERASURE_CODE_PLUGINS_V3) 154 DEFINE_CEPH_FEATURE(54, 1, OSD_HITSET_GMT) 155 DEFINE_CEPH_FEATURE(55, 1, HAMMER_0_94_4) 156 DEFINE_CEPH_FEATURE(56, 1, NEW_OSDOP_ENCODING) 157 DEFINE_CEPH_FEATURE(57, 1, MON_STATEFUL_SUB) 158 DEFINE_CEPH_FEATURE(57, 1, MON_ROUTE_OSDMAP) // overlap 159 DEFINE_CEPH_FEATURE(57, 1, OSDSUBOP_NO_SNAPCONTEXT) // overlap 160 DEFINE_CEPH_FEATURE(57, 1, SERVER_JEWEL) // overlap 161 DEFINE_CEPH_FEATURE(58, 1, CRUSH_TUNABLES5) 162 DEFINE_CEPH_FEATURE(58, 1, NEW_OSDOPREPLY_ENCODING) // overlap 163 DEFINE_CEPH_FEATURE(58, 1, FS_FILE_LAYOUT_V2) // overlap 164 DEFINE_CEPH_FEATURE(59, 1, FS_BTIME) 165 DEFINE_CEPH_FEATURE(59, 1, FS_CHANGE_ATTR) // overlap 166 DEFINE_CEPH_FEATURE(59, 1, MSG_ADDR2) // overlap 167 DEFINE_CEPH_FEATURE(60, 1, BLKIN_TRACING) // *do not share this bit* 168 169 DEFINE_CEPH_FEATURE(61, 1, RESERVED2) // unused, but slow down! 170 DEFINE_CEPH_FEATURE(62, 1, RESERVED) // do not use; used as a sentinal 171 DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN, LUMINOUS) // client-facing 172 173 174 /* 175 * Features supported. 176 */ 177 #define CEPH_FEATURES_SUPPORTED_DEFAULT \ 178 (CEPH_FEATURE_NOSRCADDR | \ 179 CEPH_FEATURE_FLOCK | \ 180 CEPH_FEATURE_SUBSCRIBE2 | \ 181 CEPH_FEATURE_RECONNECT_SEQ | \ 182 CEPH_FEATURE_DIRLAYOUTHASH | \ 183 CEPH_FEATURE_PGID64 | \ 184 CEPH_FEATURE_PGPOOL3 | \ 185 CEPH_FEATURE_OSDENC | \ 186 CEPH_FEATURE_CRUSH_TUNABLES | \ 187 CEPH_FEATURE_SERVER_LUMINOUS | \ 188 CEPH_FEATURE_RESEND_ON_SPLIT | \ 189 CEPH_FEATURE_RADOS_BACKOFF | \ 190 CEPH_FEATURE_OSDMAP_PG_UPMAP | \ 191 CEPH_FEATURE_CRUSH_CHOOSE_ARGS | \ 192 CEPH_FEATURE_MSG_AUTH | \ 193 CEPH_FEATURE_CRUSH_TUNABLES2 | \ 194 CEPH_FEATURE_REPLY_CREATE_INODE | \ 195 CEPH_FEATURE_MDSENC | \ 196 CEPH_FEATURE_OSDHASHPSPOOL | \ 197 CEPH_FEATURE_OSD_CACHEPOOL | \ 198 CEPH_FEATURE_CRUSH_V2 | \ 199 CEPH_FEATURE_EXPORT_PEER | \ 200 CEPH_FEATURE_OSDMAP_ENC | \ 201 CEPH_FEATURE_MDS_INLINE_DATA | \ 202 CEPH_FEATURE_CRUSH_TUNABLES3 | \ 203 CEPH_FEATURE_OSD_PRIMARY_AFFINITY | \ 204 CEPH_FEATURE_MSGR_KEEPALIVE2 | \ 205 CEPH_FEATURE_OSD_POOLRESEND | \ 206 CEPH_FEATURE_CRUSH_V4 | \ 207 CEPH_FEATURE_NEW_OSDOP_ENCODING | \ 208 CEPH_FEATURE_SERVER_JEWEL | \ 209 CEPH_FEATURE_MON_STATEFUL_SUB | \ 210 CEPH_FEATURE_CRUSH_TUNABLES5 | \ 211 CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING) 212 213 #define CEPH_FEATURES_REQUIRED_DEFAULT \ 214 (CEPH_FEATURE_NOSRCADDR | \ 215 CEPH_FEATURE_SUBSCRIBE2 | \ 216 CEPH_FEATURE_RECONNECT_SEQ | \ 217 CEPH_FEATURE_PGID64 | \ 218 CEPH_FEATURE_PGPOOL3 | \ 219 CEPH_FEATURE_OSDENC) 220 221 #endif 222