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7c673cae FG |
1 | #ifndef __CEPH_FEATURES |
2 | #define __CEPH_FEATURES | |
3 | ||
4 | #include "sys/types.h" | |
5 | ||
6 | /* | |
11fdf7f2 TL |
7 | * Each time we reclaim bits for reuse we need to specify another |
8 | * bitmask that, if all bits are set, indicates we have the new | |
9 | * incarnation of that feature. Base case is 1 (first use) | |
7c673cae FG |
10 | */ |
11 | #define CEPH_FEATURE_INCARNATION_1 (0ull) | |
11fdf7f2 TL |
12 | #define CEPH_FEATURE_INCARNATION_2 (1ull<<57) // SERVER_JEWEL |
13 | #define CEPH_FEATURE_INCARNATION_3 ((1ull<<57)|(1ull<<28)) // SERVER_MIMIC | |
7c673cae FG |
14 | |
15 | #define DEFINE_CEPH_FEATURE(bit, incarnation, name) \ | |
16 | const static uint64_t CEPH_FEATURE_##name = (1ULL<<bit); \ | |
17 | const static uint64_t CEPH_FEATUREMASK_##name = \ | |
18 | (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); | |
19 | ||
20 | // this bit is ignored but still advertised by release *when* | |
21 | #define DEFINE_CEPH_FEATURE_DEPRECATED(bit, incarnation, name, when) \ | |
22 | const static uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<<bit); \ | |
23 | const static uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \ | |
24 | (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation); | |
25 | ||
26 | // this bit is ignored by release *unused* and not advertised by | |
27 | // release *unadvertised* | |
28 | #define DEFINE_CEPH_FEATURE_RETIRED(bit, inc, name, unused, unadvertised) | |
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 | #define HAVE_FEATURE(x, name) \ | |
36 | (((x) & (CEPH_FEATUREMASK_##name)) == (CEPH_FEATUREMASK_##name)) | |
37 | ||
38 | ||
39 | /* | |
40 | * Notes on deprecation: | |
41 | * | |
7c673cae FG |
42 | * For feature bits used *only* on the server-side: |
43 | * | |
44 | * - In the first phase we indicate that a feature is DEPRECATED as of | |
45 | * a particular release. This is the first major release X (say, | |
9f95a23c | 46 | * mimic) that does not depend on its peers advertising the feature. |
7c673cae FG |
47 | * That is, it safely assumes its peers all have the feature. We |
48 | * indicate this with the DEPRECATED macro. For example, | |
49 | * | |
9f95a23c | 50 | * DEFINE_CEPH_FEATURE_DEPRECATED( 2, 1, MON_METADATA, MIMIC) |
7c673cae | 51 | * |
9f95a23c | 52 | * because 13.2.z (mimic) did not care if its peers advertised this |
7c673cae FG |
53 | * feature bit. |
54 | * | |
55 | * - In the second phase we stop advertising the the bit and call it | |
9f95a23c | 56 | * RETIRED. This can normally be done 2 major releases |
7c673cae | 57 | * following the one in which we marked the feature DEPRECATED. In |
9f95a23c | 58 | * the above example, for 15.0.z (octopus) we can say: |
7c673cae | 59 | * |
9f95a23c | 60 | * DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MON_METADATA, MIMIC, OCTOPUS) |
7c673cae | 61 | * |
9f95a23c TL |
62 | * - The bit can be reused in the next release that will never talk to |
63 | * a pre-octopus daemon (13 mimic or 14 nautlius) that advertises the | |
64 | * bit: in this case, the 16.y.z (P-release). | |
7c673cae FG |
65 | * |
66 | * This ensures that no two versions who have different meanings for | |
67 | * the bit ever speak to each other. | |
68 | */ | |
69 | ||
11fdf7f2 TL |
70 | /* |
71 | * Notes on the kernel client: | |
72 | * | |
73 | * - "X" means that the feature bit has been advertised and supported | |
74 | * since kernel X | |
75 | * | |
76 | * - "X req" means that the feature bit has been advertised and required | |
77 | * since kernel X | |
78 | * | |
79 | * The remaining feature bits are not and have never been used by the | |
80 | * kernel client. | |
81 | */ | |
82 | ||
7c673cae | 83 | DEFINE_CEPH_FEATURE( 0, 1, UID) |
11fdf7f2 | 84 | DEFINE_CEPH_FEATURE( 1, 1, NOSRCADDR) // 2.6.35 req |
7c673cae | 85 | DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK, JEWEL, LUMINOUS) |
11fdf7f2 TL |
86 | DEFINE_CEPH_FEATURE( 2, 3, SERVER_NAUTILUS) |
87 | DEFINE_CEPH_FEATURE( 3, 1, FLOCK) // 2.6.36 | |
88 | DEFINE_CEPH_FEATURE( 4, 1, SUBSCRIBE2) // 4.6 req | |
7c673cae | 89 | DEFINE_CEPH_FEATURE( 5, 1, MONNAMES) |
11fdf7f2 TL |
90 | DEFINE_CEPH_FEATURE( 6, 1, RECONNECT_SEQ) // 3.10 req |
91 | DEFINE_CEPH_FEATURE( 7, 1, DIRLAYOUTHASH) // 2.6.38 | |
7c673cae | 92 | DEFINE_CEPH_FEATURE( 8, 1, OBJECTLOCATOR) |
11fdf7f2 | 93 | DEFINE_CEPH_FEATURE( 9, 1, PGID64) // 3.9 req |
7c673cae | 94 | DEFINE_CEPH_FEATURE(10, 1, INCSUBOSDMAP) |
11fdf7f2 | 95 | DEFINE_CEPH_FEATURE(11, 1, PGPOOL3) // 3.9 req |
7c673cae | 96 | DEFINE_CEPH_FEATURE(12, 1, OSDREPLYMUX) |
11fdf7f2 | 97 | DEFINE_CEPH_FEATURE(13, 1, OSDENC) // 3.9 req |
7c673cae FG |
98 | DEFINE_CEPH_FEATURE_RETIRED(14, 1, OMAP, HAMMER, JEWEL) |
99 | DEFINE_CEPH_FEATURE(14, 2, SERVER_KRAKEN) | |
100 | DEFINE_CEPH_FEATURE(15, 1, MONENC) | |
101 | DEFINE_CEPH_FEATURE_RETIRED(16, 1, QUERY_T, JEWEL, LUMINOUS) | |
9f95a23c TL |
102 | DEFINE_CEPH_FEATURE(16, 3, SERVER_OCTOPUS) |
103 | DEFINE_CEPH_FEATURE(16, 3, OSD_REPOP_MLCOD) | |
7c673cae | 104 | DEFINE_CEPH_FEATURE_RETIRED(17, 1, INDEP_PG_MAP, JEWEL, LUMINOUS) |
11fdf7f2 TL |
105 | DEFINE_CEPH_FEATURE(17, 3, OS_PERF_STAT_NS) |
106 | DEFINE_CEPH_FEATURE(18, 1, CRUSH_TUNABLES) // 3.6 | |
7c673cae | 107 | DEFINE_CEPH_FEATURE_RETIRED(19, 1, CHUNKY_SCRUB, JEWEL, LUMINOUS) |
f64942e4 | 108 | DEFINE_CEPH_FEATURE(19, 2, OSD_PGLOG_HARDLIMIT) |
7c673cae | 109 | DEFINE_CEPH_FEATURE_RETIRED(20, 1, MON_NULLROUTE, JEWEL, LUMINOUS) |
f67539c2 | 110 | DEFINE_CEPH_FEATURE(20, 3, SERVER_PACIFIC) |
7c673cae | 111 | DEFINE_CEPH_FEATURE_RETIRED(21, 1, MON_GV, HAMMER, JEWEL) |
11fdf7f2 | 112 | DEFINE_CEPH_FEATURE(21, 2, SERVER_LUMINOUS) // 4.13 |
7c673cae FG |
113 | DEFINE_CEPH_FEATURE(21, 2, RESEND_ON_SPLIT) // overlap |
114 | DEFINE_CEPH_FEATURE(21, 2, RADOS_BACKOFF) // overlap | |
115 | DEFINE_CEPH_FEATURE(21, 2, OSDMAP_PG_UPMAP) // overlap | |
31f18b77 | 116 | DEFINE_CEPH_FEATURE(21, 2, CRUSH_CHOOSE_ARGS) // overlap |
7c673cae | 117 | DEFINE_CEPH_FEATURE_RETIRED(22, 1, BACKFILL_RESERVATION, JEWEL, LUMINOUS) |
f91f0fd5 | 118 | DEFINE_CEPH_FEATURE(22, 2, OSD_FIXED_COLLECTION_LIST) |
11fdf7f2 | 119 | DEFINE_CEPH_FEATURE(23, 1, MSG_AUTH) // 3.19 req (unless nocephx_require_signatures) |
9f95a23c | 120 | DEFINE_CEPH_FEATURE_RETIRED(24, 1, RECOVERY_RESERVATION, JEWEL, LUMINOUS) |
11fdf7f2 TL |
121 | DEFINE_CEPH_FEATURE(24, 2, RECOVERY_RESERVATION_2) |
122 | DEFINE_CEPH_FEATURE(25, 1, CRUSH_TUNABLES2) // 3.9 | |
7c673cae | 123 | DEFINE_CEPH_FEATURE(26, 1, CREATEPOOLID) |
11fdf7f2 | 124 | DEFINE_CEPH_FEATURE(27, 1, REPLY_CREATE_INODE) // 3.9 |
7c673cae | 125 | DEFINE_CEPH_FEATURE_RETIRED(28, 1, OSD_HBMSGS, HAMMER, JEWEL) |
11fdf7f2 TL |
126 | DEFINE_CEPH_FEATURE(28, 2, SERVER_MIMIC) |
127 | DEFINE_CEPH_FEATURE(29, 1, MDSENC) // 4.7 | |
128 | DEFINE_CEPH_FEATURE(30, 1, OSDHASHPSPOOL) // 3.9 | |
20effc67 | 129 | DEFINE_CEPH_FEATURE_RETIRED(31, 1, MON_SINGLE_PAXOS, NAUTILUS, PACIFIC) |
1e59de90 | 130 | DEFINE_CEPH_FEATURE(31, 3, SERVER_REEF) |
7c673cae | 131 | DEFINE_CEPH_FEATURE_RETIRED(32, 1, OSD_SNAPMAPPER, JEWEL, LUMINOUS) |
f67539c2 | 132 | DEFINE_CEPH_FEATURE(32, 3, STRETCH_MODE) |
7c673cae | 133 | DEFINE_CEPH_FEATURE_RETIRED(33, 1, MON_SCRUB, JEWEL, LUMINOUS) |
20effc67 | 134 | DEFINE_CEPH_FEATURE(33, 3, SERVER_QUINCY) |
7c673cae | 135 | DEFINE_CEPH_FEATURE_RETIRED(34, 1, OSD_PACKED_RECOVERY, JEWEL, LUMINOUS) |
33c7a0ef | 136 | DEFINE_CEPH_FEATURE(34, 3, RANGE_BLOCKLIST) |
11fdf7f2 TL |
137 | DEFINE_CEPH_FEATURE(35, 1, OSD_CACHEPOOL) // 3.14 |
138 | DEFINE_CEPH_FEATURE(36, 1, CRUSH_V2) // 3.14 | |
139 | DEFINE_CEPH_FEATURE(37, 1, EXPORT_PEER) // 3.14 | |
9f95a23c | 140 | DEFINE_CEPH_FEATURE_RETIRED(38, 1, OSD_ERASURE_CODES, MIMIC, OCTOPUS) |
f67539c2 | 141 | // available |
11fdf7f2 TL |
142 | DEFINE_CEPH_FEATURE(39, 1, OSDMAP_ENC) // 3.15 |
143 | DEFINE_CEPH_FEATURE(40, 1, MDS_INLINE_DATA) // 3.19 | |
144 | DEFINE_CEPH_FEATURE(41, 1, CRUSH_TUNABLES3) // 3.15 | |
7c673cae | 145 | DEFINE_CEPH_FEATURE(41, 1, OSD_PRIMARY_AFFINITY) // overlap |
11fdf7f2 TL |
146 | DEFINE_CEPH_FEATURE(42, 1, MSGR_KEEPALIVE2) // 4.3 (for consistency) |
147 | DEFINE_CEPH_FEATURE(43, 1, OSD_POOLRESEND) // 4.13 | |
9f95a23c | 148 | DEFINE_CEPH_FEATURE_RETIRED(44, 1, ERASURE_CODE_PLUGINS_V2, MIMIC, OCTOPUS) |
f67539c2 | 149 | // available |
7c673cae | 150 | DEFINE_CEPH_FEATURE_RETIRED(45, 1, OSD_SET_ALLOC_HINT, JEWEL, LUMINOUS) |
f67539c2 | 151 | // available |
7c673cae FG |
152 | DEFINE_CEPH_FEATURE(46, 1, OSD_FADVISE_FLAGS) |
153 | DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_REPOP, JEWEL, LUMINOUS) // overlap | |
154 | DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_OBJECT_DIGEST, JEWEL, LUMINOUS) // overlap | |
155 | DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_TRANSACTION_MAY_LAYOUT, JEWEL, LUMINOUS) // overlap | |
11fdf7f2 TL |
156 | DEFINE_CEPH_FEATURE(47, 1, MDS_QUOTA) // 4.17 |
157 | DEFINE_CEPH_FEATURE(48, 1, CRUSH_V4) // 4.1 | |
7c673cae FG |
158 | DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_MIN_SIZE_RECOVERY, JEWEL, LUMINOUS) |
159 | DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_PROXY_FEATURES, JEWEL, LUMINOUS) // overlap | |
f67539c2 | 160 | // available |
9f95a23c | 161 | DEFINE_CEPH_FEATURE_RETIRED(50, 1, MON_METADATA, MIMIC, OCTOPUS) |
f67539c2 | 162 | // available |
9f95a23c | 163 | DEFINE_CEPH_FEATURE_RETIRED(51, 1, OSD_BITWISE_HOBJ_SORT, MIMIC, OCTOPUS) |
f67539c2 | 164 | // available |
9f95a23c | 165 | DEFINE_CEPH_FEATURE_RETIRED(52, 1, OSD_PROXY_WRITE_FEATURES, MIMIC, OCTOPUS) |
f67539c2 | 166 | // available |
9f95a23c | 167 | DEFINE_CEPH_FEATURE_RETIRED(53, 1, ERASURE_CODE_PLUGINS_V3, MIMIC, OCTOPUS) |
f67539c2 | 168 | // available |
9f95a23c | 169 | DEFINE_CEPH_FEATURE_RETIRED(54, 1, OSD_HITSET_GMT, MIMIC, OCTOPUS) |
f67539c2 | 170 | // available |
9f95a23c | 171 | DEFINE_CEPH_FEATURE_RETIRED(55, 1, HAMMER_0_94_4, MIMIC, OCTOPUS) |
f67539c2 | 172 | // available |
11fdf7f2 TL |
173 | DEFINE_CEPH_FEATURE(56, 1, NEW_OSDOP_ENCODING) // 4.13 (for pg_pool_t >= v25) |
174 | DEFINE_CEPH_FEATURE(57, 1, MON_STATEFUL_SUB) // 4.13 | |
9f95a23c | 175 | DEFINE_CEPH_FEATURE_RETIRED(57, 1, MON_ROUTE_OSDMAP, MIMIC, OCTOPUS) // overlap |
7c673cae | 176 | DEFINE_CEPH_FEATURE(57, 1, SERVER_JEWEL) // overlap |
11fdf7f2 | 177 | DEFINE_CEPH_FEATURE(58, 1, CRUSH_TUNABLES5) // 4.5 |
7c673cae FG |
178 | DEFINE_CEPH_FEATURE(58, 1, NEW_OSDOPREPLY_ENCODING) // overlap |
179 | DEFINE_CEPH_FEATURE(58, 1, FS_FILE_LAYOUT_V2) // overlap | |
180 | DEFINE_CEPH_FEATURE(59, 1, FS_BTIME) | |
181 | DEFINE_CEPH_FEATURE(59, 1, FS_CHANGE_ATTR) // overlap | |
182 | DEFINE_CEPH_FEATURE(59, 1, MSG_ADDR2) // overlap | |
c07f9fc5 | 183 | DEFINE_CEPH_FEATURE(60, 1, OSD_RECOVERY_DELETES) // *do not share this bit* |
11fdf7f2 | 184 | DEFINE_CEPH_FEATURE(61, 1, CEPHX_V2) // 4.19, *do not share this bit* |
7c673cae | 185 | |
11fdf7f2 | 186 | DEFINE_CEPH_FEATURE(62, 1, RESERVED) // do not use; used as a sentinel |
1e59de90 TL |
187 | DEFINE_CEPH_FEATURE_RETIRED(63, 1, RESERVED_BROKEN, LUMINOUS, QUINCY) // client-facing |
188 | // available | |
7c673cae FG |
189 | |
190 | ||
7c673cae FG |
191 | /* |
192 | * Features supported. Should be everything above. | |
193 | */ | |
194 | #define CEPH_FEATURES_ALL \ | |
195 | (CEPH_FEATURE_UID | \ | |
196 | CEPH_FEATURE_NOSRCADDR | \ | |
197 | CEPH_FEATURE_FLOCK | \ | |
198 | CEPH_FEATURE_SUBSCRIBE2 | \ | |
199 | CEPH_FEATURE_MONNAMES | \ | |
200 | CEPH_FEATURE_RECONNECT_SEQ | \ | |
201 | CEPH_FEATURE_DIRLAYOUTHASH | \ | |
202 | CEPH_FEATURE_OBJECTLOCATOR | \ | |
203 | CEPH_FEATURE_PGID64 | \ | |
204 | CEPH_FEATURE_INCSUBOSDMAP | \ | |
205 | CEPH_FEATURE_PGPOOL3 | \ | |
206 | CEPH_FEATURE_OSDREPLYMUX | \ | |
207 | CEPH_FEATURE_OSDENC | \ | |
208 | CEPH_FEATURE_MONENC | \ | |
209 | CEPH_FEATURE_CRUSH_TUNABLES | \ | |
210 | CEPH_FEATURE_MSG_AUTH | \ | |
211 | CEPH_FEATURE_CRUSH_TUNABLES2 | \ | |
212 | CEPH_FEATURE_CREATEPOOLID | \ | |
213 | CEPH_FEATURE_REPLY_CREATE_INODE | \ | |
214 | CEPH_FEATURE_MDSENC | \ | |
215 | CEPH_FEATURE_OSDHASHPSPOOL | \ | |
216 | CEPH_FEATURE_NEW_OSDOP_ENCODING | \ | |
217 | CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING | \ | |
7c673cae FG |
218 | CEPH_FEATURE_OSD_CACHEPOOL | \ |
219 | CEPH_FEATURE_CRUSH_V2 | \ | |
220 | CEPH_FEATURE_EXPORT_PEER | \ | |
7c673cae FG |
221 | CEPH_FEATURE_OSDMAP_ENC | \ |
222 | CEPH_FEATURE_MDS_INLINE_DATA | \ | |
223 | CEPH_FEATURE_CRUSH_TUNABLES3 | \ | |
224 | CEPH_FEATURE_OSD_PRIMARY_AFFINITY | \ | |
225 | CEPH_FEATURE_MSGR_KEEPALIVE2 | \ | |
226 | CEPH_FEATURE_OSD_POOLRESEND | \ | |
7c673cae FG |
227 | CEPH_FEATURE_OSD_FADVISE_FLAGS | \ |
228 | CEPH_FEATURE_MDS_QUOTA | \ | |
229 | CEPH_FEATURE_CRUSH_V4 | \ | |
7c673cae | 230 | CEPH_FEATURE_MON_STATEFUL_SUB | \ |
7c673cae FG |
231 | CEPH_FEATURE_CRUSH_TUNABLES5 | \ |
232 | CEPH_FEATURE_SERVER_JEWEL | \ | |
233 | CEPH_FEATURE_FS_FILE_LAYOUT_V2 | \ | |
234 | CEPH_FEATURE_SERVER_KRAKEN | \ | |
235 | CEPH_FEATURE_FS_BTIME | \ | |
236 | CEPH_FEATURE_FS_CHANGE_ATTR | \ | |
237 | CEPH_FEATURE_MSG_ADDR2 | \ | |
238 | CEPH_FEATURE_SERVER_LUMINOUS | \ | |
239 | CEPH_FEATURE_RESEND_ON_SPLIT | \ | |
240 | CEPH_FEATURE_RADOS_BACKOFF | \ | |
11fdf7f2 TL |
241 | CEPH_FEATURE_OSD_RECOVERY_DELETES | \ |
242 | CEPH_FEATURE_SERVER_MIMIC | \ | |
243 | CEPH_FEATURE_RECOVERY_RESERVATION_2 | \ | |
244 | CEPH_FEATURE_SERVER_NAUTILUS | \ | |
28e407b8 | 245 | CEPH_FEATURE_CEPHX_V2 | \ |
f64942e4 | 246 | CEPH_FEATURE_OSD_PGLOG_HARDLIMIT | \ |
9f95a23c | 247 | CEPH_FEATUREMASK_SERVER_OCTOPUS | \ |
f67539c2 | 248 | CEPH_FEATUREMASK_STRETCH_MODE | \ |
9f95a23c | 249 | CEPH_FEATUREMASK_OSD_REPOP_MLCOD | \ |
f67539c2 | 250 | CEPH_FEATUREMASK_SERVER_PACIFIC | \ |
f91f0fd5 | 251 | CEPH_FEATURE_OSD_FIXED_COLLECTION_LIST | \ |
20effc67 | 252 | CEPH_FEATUREMASK_SERVER_QUINCY | \ |
33c7a0ef | 253 | CEPH_FEATURE_RANGE_BLOCKLIST | \ |
1e59de90 | 254 | CEPH_FEATUREMASK_SERVER_REEF | \ |
7c673cae FG |
255 | 0ULL) |
256 | ||
257 | #define CEPH_FEATURES_SUPPORTED_DEFAULT CEPH_FEATURES_ALL | |
258 | ||
259 | /* | |
260 | * crush related features | |
261 | */ | |
262 | #define CEPH_FEATURES_CRUSH \ | |
263 | (CEPH_FEATURE_CRUSH_TUNABLES | \ | |
264 | CEPH_FEATURE_CRUSH_TUNABLES2 | \ | |
265 | CEPH_FEATURE_CRUSH_TUNABLES3 | \ | |
266 | CEPH_FEATURE_CRUSH_TUNABLES5 | \ | |
267 | CEPH_FEATURE_CRUSH_V2 | \ | |
268 | CEPH_FEATURE_CRUSH_V4 | \ | |
c07f9fc5 | 269 | CEPH_FEATUREMASK_CRUSH_CHOOSE_ARGS) |
7c673cae FG |
270 | |
271 | /* | |
272 | * make sure we don't try to use the reserved features | |
273 | */ | |
274 | #define CEPH_STATIC_ASSERT(x) (void)(sizeof(int[((x)==0) ? -1 : 0])) | |
275 | ||
276 | static inline void ____build_time_check_for_reserved_bits(void) { | |
1e59de90 | 277 | CEPH_STATIC_ASSERT((CEPH_FEATURES_ALL & CEPH_FEATURE_RESERVED) == 0); |
7c673cae FG |
278 | } |
279 | ||
280 | #endif |