1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __CEPH_FEATURES 3#define __CEPH_FEATURES 4 5/* 6 * Each time we reclaim bits for reuse we need to specify another bit 7 * that, if present, indicates we have the new incarnation of that 8 * feature. Base case is 1 (first use). 9 */ 10#define CEPH_FEATURE_INCARNATION_1 (0ull) 11#define CEPH_FEATURE_INCARNATION_2 (1ull<<57) // SERVER_JEWEL 12#define CEPH_FEATURE_INCARNATION_3 ((1ull<<57)|(1ull<<28)) // SERVER_MIMIC 13 14#define DEFINE_CEPH_FEATURE(bit, incarnation, name) \ 15 static const uint64_t __maybe_unused CEPH_FEATURE_##name = (1ULL<<bit); \ 16 static const uint64_t __maybe_unused CEPH_FEATUREMASK_##name = \ 17 (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); 18 19/* this bit is ignored but still advertised by release *when* */ 20#define DEFINE_CEPH_FEATURE_DEPRECATED(bit, incarnation, name, when) \ 21 static const uint64_t __maybe_unused DEPRECATED_CEPH_FEATURE_##name = (1ULL<<bit); \ 22 static const uint64_t __maybe_unused DEPRECATED_CEPH_FEATUREMASK_##name = \ 23 (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); 24 25/* 26 * this bit is ignored by release *unused* and not advertised by 27 * release *unadvertised* 28 */ 29#define DEFINE_CEPH_FEATURE_RETIRED(bit, inc, name, unused, unadvertised) 30 31 32/* 33 * test for a feature. this test is safer than a typical mask against 34 * the bit because it ensures that we have the bit AND the marker for the 35 * bit's incarnation. this must be used in any case where the features 36 * bits may include an old meaning of the bit. 37 */ 38#define CEPH_HAVE_FEATURE(x, name) \ 39 (((x) & (CEPH_FEATUREMASK_##name)) == (CEPH_FEATUREMASK_##name)) 40 41 42/* 43 * Notes on deprecation: 44 * 45 * A *major* release is a release through which all upgrades must pass 46 * (e.g., jewel). For example, no pre-jewel server will ever talk to 47 * a post-jewel server (mon, osd, etc). 48 * 49 * For feature bits used *only* on the server-side: 50 * 51 * - In the first phase we indicate that a feature is DEPRECATED as of 52 * a particular release. This is the first major release X (say, 53 * jewel) that does not depend on its peers advertising the feature. 54 * That is, it safely assumes its peers all have the feature. We 55 * indicate this with the DEPRECATED macro. For example, 56 * 57 * DEFINE_CEPH_FEATURE_DEPRECATED( 2, 1, MONCLOCKCHECK, JEWEL) 58 * 59 * because 10.2.z (jewel) did not care if its peers advertised this 60 * feature bit. 61 * 62 * - In the second phase we stop advertising the bit and call it 63 * RETIRED. This can normally be done in the *next* major release 64 * following the one in which we marked the feature DEPRECATED. In 65 * the above example, for 12.0.z (luminous) we can say: 66 * 67 * DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK, JEWEL, LUMINOUS) 68 * 69 * - The bit can be reused in the first post-luminous release, 13.0.z 70 * (m). 71 * 72 * This ensures that no two versions who have different meanings for 73 * the bit ever speak to each other. 74 */ 75 76DEFINE_CEPH_FEATURE( 0, 1, UID) 77DEFINE_CEPH_FEATURE( 1, 1, NOSRCADDR) 78DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK, JEWEL, LUMINOUS) 79DEFINE_CEPH_FEATURE( 2, 3, SERVER_NAUTILUS) 80DEFINE_CEPH_FEATURE( 3, 1, FLOCK) 81DEFINE_CEPH_FEATURE( 4, 1, SUBSCRIBE2) 82DEFINE_CEPH_FEATURE( 5, 1, MONNAMES) 83DEFINE_CEPH_FEATURE( 6, 1, RECONNECT_SEQ) 84DEFINE_CEPH_FEATURE( 7, 1, DIRLAYOUTHASH) 85DEFINE_CEPH_FEATURE( 8, 1, OBJECTLOCATOR) 86DEFINE_CEPH_FEATURE( 9, 1, PGID64) 87DEFINE_CEPH_FEATURE(10, 1, INCSUBOSDMAP) 88DEFINE_CEPH_FEATURE(11, 1, PGPOOL3) 89DEFINE_CEPH_FEATURE(12, 1, OSDREPLYMUX) 90DEFINE_CEPH_FEATURE(13, 1, OSDENC) 91DEFINE_CEPH_FEATURE_RETIRED(14, 1, OMAP, HAMMER, JEWEL) 92DEFINE_CEPH_FEATURE(14, 2, SERVER_KRAKEN) 93DEFINE_CEPH_FEATURE(15, 1, MONENC) 94DEFINE_CEPH_FEATURE_RETIRED(16, 1, QUERY_T, JEWEL, LUMINOUS) 95 96DEFINE_CEPH_FEATURE_RETIRED(17, 1, INDEP_PG_MAP, JEWEL, LUMINOUS) 97 98DEFINE_CEPH_FEATURE(18, 1, CRUSH_TUNABLES) 99DEFINE_CEPH_FEATURE_RETIRED(19, 1, CHUNKY_SCRUB, JEWEL, LUMINOUS) 100 101DEFINE_CEPH_FEATURE_RETIRED(20, 1, MON_NULLROUTE, JEWEL, LUMINOUS) 102 103DEFINE_CEPH_FEATURE_RETIRED(21, 1, MON_GV, HAMMER, JEWEL) 104DEFINE_CEPH_FEATURE(21, 2, SERVER_LUMINOUS) 105DEFINE_CEPH_FEATURE(21, 2, RESEND_ON_SPLIT) // overlap 106DEFINE_CEPH_FEATURE(21, 2, RADOS_BACKOFF) // overlap 107DEFINE_CEPH_FEATURE(21, 2, OSDMAP_PG_UPMAP) // overlap 108DEFINE_CEPH_FEATURE(21, 2, CRUSH_CHOOSE_ARGS) // overlap 109DEFINE_CEPH_FEATURE_RETIRED(22, 1, BACKFILL_RESERVATION, JEWEL, LUMINOUS) 110 111DEFINE_CEPH_FEATURE(23, 1, MSG_AUTH) 112DEFINE_CEPH_FEATURE_RETIRED(24, 1, RECOVERY_RESERVATION, JEWEL, LUNINOUS) 113 114DEFINE_CEPH_FEATURE(25, 1, CRUSH_TUNABLES2) 115DEFINE_CEPH_FEATURE(26, 1, CREATEPOOLID) 116DEFINE_CEPH_FEATURE(27, 1, REPLY_CREATE_INODE) 117DEFINE_CEPH_FEATURE_RETIRED(28, 1, OSD_HBMSGS, HAMMER, JEWEL) 118DEFINE_CEPH_FEATURE(28, 2, SERVER_MIMIC) 119DEFINE_CEPH_FEATURE(29, 1, MDSENC) 120DEFINE_CEPH_FEATURE(30, 1, OSDHASHPSPOOL) 121DEFINE_CEPH_FEATURE(31, 1, MON_SINGLE_PAXOS) // deprecate me 122DEFINE_CEPH_FEATURE_RETIRED(32, 1, OSD_SNAPMAPPER, JEWEL, LUMINOUS) 123 124DEFINE_CEPH_FEATURE_RETIRED(33, 1, MON_SCRUB, JEWEL, LUMINOUS) 125 126DEFINE_CEPH_FEATURE_RETIRED(34, 1, OSD_PACKED_RECOVERY, JEWEL, LUMINOUS) 127 128DEFINE_CEPH_FEATURE(35, 1, OSD_CACHEPOOL) 129DEFINE_CEPH_FEATURE(36, 1, CRUSH_V2) 130DEFINE_CEPH_FEATURE(37, 1, EXPORT_PEER) 131DEFINE_CEPH_FEATURE(38, 1, OSD_ERASURE_CODES) 132DEFINE_CEPH_FEATURE(38, 1, OSD_OSD_TMAP2OMAP) // overlap 133DEFINE_CEPH_FEATURE(39, 1, OSDMAP_ENC) 134DEFINE_CEPH_FEATURE(40, 1, MDS_INLINE_DATA) 135DEFINE_CEPH_FEATURE(41, 1, CRUSH_TUNABLES3) 136DEFINE_CEPH_FEATURE(41, 1, OSD_PRIMARY_AFFINITY) // overlap 137DEFINE_CEPH_FEATURE(42, 1, MSGR_KEEPALIVE2) 138DEFINE_CEPH_FEATURE(43, 1, OSD_POOLRESEND) 139DEFINE_CEPH_FEATURE(44, 1, ERASURE_CODE_PLUGINS_V2) 140DEFINE_CEPH_FEATURE_RETIRED(45, 1, OSD_SET_ALLOC_HINT, JEWEL, LUMINOUS) 141 142DEFINE_CEPH_FEATURE(46, 1, OSD_FADVISE_FLAGS) 143DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_REPOP, JEWEL, LUMINOUS) // overlap 144DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_OBJECT_DIGEST, JEWEL, LUMINOUS) // overlap 145DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_TRANSACTION_MAY_LAYOUT, JEWEL, LUMINOUS) // overlap 146 147DEFINE_CEPH_FEATURE(47, 1, MDS_QUOTA) 148DEFINE_CEPH_FEATURE(48, 1, CRUSH_V4) 149DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_MIN_SIZE_RECOVERY, JEWEL, LUMINOUS) 150DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_PROXY_FEATURES, JEWEL, LUMINOUS) // overlap 151 152DEFINE_CEPH_FEATURE(50, 1, MON_METADATA) 153DEFINE_CEPH_FEATURE(51, 1, OSD_BITWISE_HOBJ_SORT) 154DEFINE_CEPH_FEATURE(52, 1, OSD_PROXY_WRITE_FEATURES) 155DEFINE_CEPH_FEATURE(53, 1, ERASURE_CODE_PLUGINS_V3) 156DEFINE_CEPH_FEATURE(54, 1, OSD_HITSET_GMT) 157DEFINE_CEPH_FEATURE(55, 1, HAMMER_0_94_4) 158DEFINE_CEPH_FEATURE(56, 1, NEW_OSDOP_ENCODING) 159DEFINE_CEPH_FEATURE(57, 1, MON_STATEFUL_SUB) 160DEFINE_CEPH_FEATURE(57, 1, MON_ROUTE_OSDMAP) // overlap 161DEFINE_CEPH_FEATURE(57, 1, OSDSUBOP_NO_SNAPCONTEXT) // overlap 162DEFINE_CEPH_FEATURE(57, 1, SERVER_JEWEL) // overlap 163DEFINE_CEPH_FEATURE(58, 1, CRUSH_TUNABLES5) 164DEFINE_CEPH_FEATURE(58, 1, NEW_OSDOPREPLY_ENCODING) // overlap 165DEFINE_CEPH_FEATURE(58, 1, FS_FILE_LAYOUT_V2) // overlap 166DEFINE_CEPH_FEATURE(59, 1, FS_BTIME) 167DEFINE_CEPH_FEATURE(59, 1, FS_CHANGE_ATTR) // overlap 168DEFINE_CEPH_FEATURE(59, 1, MSG_ADDR2) // overlap 169DEFINE_CEPH_FEATURE(60, 1, OSD_RECOVERY_DELETES) // *do not share this bit* 170DEFINE_CEPH_FEATURE(61, 1, CEPHX_V2) // *do not share this bit* 171 172DEFINE_CEPH_FEATURE(62, 1, RESERVED) // do not use; used as a sentinal 173DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN, LUMINOUS) // client-facing 174 175 176/* 177 * Features supported. 178 */ 179#define CEPH_FEATURES_SUPPORTED_DEFAULT \ 180 (CEPH_FEATURE_NOSRCADDR | \ 181 CEPH_FEATURE_SERVER_NAUTILUS | \ 182 CEPH_FEATURE_FLOCK | \ 183 CEPH_FEATURE_SUBSCRIBE2 | \ 184 CEPH_FEATURE_MONNAMES | \ 185 CEPH_FEATURE_RECONNECT_SEQ | \ 186 CEPH_FEATURE_DIRLAYOUTHASH | \ 187 CEPH_FEATURE_PGID64 | \ 188 CEPH_FEATURE_PGPOOL3 | \ 189 CEPH_FEATURE_OSDENC | \ 190 CEPH_FEATURE_MONENC | \ 191 CEPH_FEATURE_CRUSH_TUNABLES | \ 192 CEPH_FEATURE_SERVER_LUMINOUS | \ 193 CEPH_FEATURE_RESEND_ON_SPLIT | \ 194 CEPH_FEATURE_RADOS_BACKOFF | \ 195 CEPH_FEATURE_OSDMAP_PG_UPMAP | \ 196 CEPH_FEATURE_CRUSH_CHOOSE_ARGS | \ 197 CEPH_FEATURE_MSG_AUTH | \ 198 CEPH_FEATURE_CRUSH_TUNABLES2 | \ 199 CEPH_FEATURE_REPLY_CREATE_INODE | \ 200 CEPH_FEATURE_SERVER_MIMIC | \ 201 CEPH_FEATURE_MDSENC | \ 202 CEPH_FEATURE_OSDHASHPSPOOL | \ 203 CEPH_FEATURE_OSD_CACHEPOOL | \ 204 CEPH_FEATURE_CRUSH_V2 | \ 205 CEPH_FEATURE_EXPORT_PEER | \ 206 CEPH_FEATURE_OSDMAP_ENC | \ 207 CEPH_FEATURE_MDS_INLINE_DATA | \ 208 CEPH_FEATURE_CRUSH_TUNABLES3 | \ 209 CEPH_FEATURE_OSD_PRIMARY_AFFINITY | \ 210 CEPH_FEATURE_MSGR_KEEPALIVE2 | \ 211 CEPH_FEATURE_OSD_POOLRESEND | \ 212 CEPH_FEATURE_MDS_QUOTA | \ 213 CEPH_FEATURE_CRUSH_V4 | \ 214 CEPH_FEATURE_NEW_OSDOP_ENCODING | \ 215 CEPH_FEATURE_SERVER_JEWEL | \ 216 CEPH_FEATURE_MON_STATEFUL_SUB | \ 217 CEPH_FEATURE_CRUSH_TUNABLES5 | \ 218 CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING | \ 219 CEPH_FEATURE_MSG_ADDR2 | \ 220 CEPH_FEATURE_CEPHX_V2) 221 222#define CEPH_FEATURES_REQUIRED_DEFAULT 0 223 224#endif 225