1 #ifndef __CEPH_FEATURES
2 #define __CEPH_FEATURES
7 * Each time we reclaim bits for reuse we need to specify another bit
8 * that, if present, indicates we have the new incarnation of that
9 * feature. Base case is 1 (first use)
11 #define CEPH_FEATURE_INCARNATION_1 (0ull)
12 #define CEPH_FEATURE_INCARNATION_2 (1ull<<57) // CEPH_FEATURE_SERVER_JEWEL
14 #define DEFINE_CEPH_FEATURE(bit, incarnation, name) \
15 const static uint64_t CEPH_FEATURE_##name = (1ULL<<bit); \
16 const static uint64_t CEPH_FEATUREMASK_##name = \
17 (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation);
19 // this bit is ignored but still advertised by release *when*
20 #define DEFINE_CEPH_FEATURE_DEPRECATED(bit, incarnation, name, when) \
21 const static uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<<bit); \
22 const static uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \
23 (1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation);
25 // this bit is ignored by release *unused* and not advertised by
26 // release *unadvertised*
27 #define DEFINE_CEPH_FEATURE_RETIRED(bit, inc, name, unused, unadvertised)
30 // test for a feature. this test is safer than a typical mask against
31 // the bit because it ensures that we have the bit AND the marker for the
32 // bit's incarnation. this must be used in any case where the features
33 // bits may include an old meaning of the bit.
34 #define HAVE_FEATURE(x, name) \
35 (((x) & (CEPH_FEATUREMASK_##name)) == (CEPH_FEATUREMASK_##name))
39 * Notes on deprecation:
41 * A *major* release is a release through which all upgrades must pass
42 * (e.g., jewel). For example, no pre-jewel server will ever talk to
43 * a post-jewel server (mon, osd, etc).
45 * For feature bits used *only* on the server-side:
47 * - In the first phase we indicate that a feature is DEPRECATED as of
48 * a particular release. This is the first major release X (say,
49 * jewel) that does not depend on its peers advertising the feature.
50 * That is, it safely assumes its peers all have the feature. We
51 * indicate this with the DEPRECATED macro. For example,
53 * DEFINE_CEPH_FEATURE_DEPRECATED( 2, 1, MONCLOCKCHECK, JEWEL)
55 * because 10.2.z (jewel) did not care if its peers advertised this
58 * - In the second phase we stop advertising the the bit and call it
59 * RETIRED. This can normally be done in the *next* major release
60 * following the one in which we marked the feature DEPRECATED. In
61 * the above example, for 12.0.z (luminous) we can say:
63 * DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK, JEWEL, LUMINOUS)
65 * - The bit can be reused in the first post-luminous release, 13.0.z
68 * This ensures that no two versions who have different meanings for
69 * the bit ever speak to each other.
72 DEFINE_CEPH_FEATURE( 0, 1, UID
)
73 DEFINE_CEPH_FEATURE( 1, 1, NOSRCADDR
)
74 DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK
, JEWEL
, LUMINOUS
)
76 DEFINE_CEPH_FEATURE( 3, 1, FLOCK
)
77 DEFINE_CEPH_FEATURE( 4, 1, SUBSCRIBE2
)
78 DEFINE_CEPH_FEATURE( 5, 1, MONNAMES
)
79 DEFINE_CEPH_FEATURE( 6, 1, RECONNECT_SEQ
)
80 DEFINE_CEPH_FEATURE( 7, 1, DIRLAYOUTHASH
)
81 DEFINE_CEPH_FEATURE( 8, 1, OBJECTLOCATOR
)
82 DEFINE_CEPH_FEATURE( 9, 1, PGID64
)
83 DEFINE_CEPH_FEATURE(10, 1, INCSUBOSDMAP
)
84 DEFINE_CEPH_FEATURE(11, 1, PGPOOL3
)
85 DEFINE_CEPH_FEATURE(12, 1, OSDREPLYMUX
)
86 DEFINE_CEPH_FEATURE(13, 1, OSDENC
)
87 DEFINE_CEPH_FEATURE_RETIRED(14, 1, OMAP
, HAMMER
, JEWEL
)
88 DEFINE_CEPH_FEATURE(14, 2, SERVER_KRAKEN
)
89 DEFINE_CEPH_FEATURE(15, 1, MONENC
)
90 DEFINE_CEPH_FEATURE_RETIRED(16, 1, QUERY_T
, JEWEL
, LUMINOUS
)
92 DEFINE_CEPH_FEATURE_RETIRED(17, 1, INDEP_PG_MAP
, JEWEL
, LUMINOUS
)
94 DEFINE_CEPH_FEATURE(18, 1, CRUSH_TUNABLES
)
95 DEFINE_CEPH_FEATURE_RETIRED(19, 1, CHUNKY_SCRUB
, JEWEL
, LUMINOUS
)
97 DEFINE_CEPH_FEATURE_RETIRED(20, 1, MON_NULLROUTE
, JEWEL
, LUMINOUS
)
99 DEFINE_CEPH_FEATURE_RETIRED(21, 1, MON_GV
, HAMMER
, JEWEL
)
100 DEFINE_CEPH_FEATURE(21, 2, SERVER_LUMINOUS
)
101 DEFINE_CEPH_FEATURE(21, 2, RESEND_ON_SPLIT
) // overlap
102 DEFINE_CEPH_FEATURE(21, 2, RADOS_BACKOFF
) // overlap
103 DEFINE_CEPH_FEATURE(21, 2, OSDMAP_PG_UPMAP
) // overlap
104 DEFINE_CEPH_FEATURE(21, 2, CRUSH_CHOOSE_ARGS
) // overlap
105 DEFINE_CEPH_FEATURE_RETIRED(22, 1, BACKFILL_RESERVATION
, JEWEL
, LUMINOUS
)
107 DEFINE_CEPH_FEATURE(23, 1, MSG_AUTH
)
108 DEFINE_CEPH_FEATURE_RETIRED(24, 1, RECOVERY_RESERVATION
, JEWEL
, LUNINOUS
)
110 DEFINE_CEPH_FEATURE(25, 1, CRUSH_TUNABLES2
)
111 DEFINE_CEPH_FEATURE(26, 1, CREATEPOOLID
)
112 DEFINE_CEPH_FEATURE(27, 1, REPLY_CREATE_INODE
)
113 DEFINE_CEPH_FEATURE_RETIRED(28, 1, OSD_HBMSGS
, HAMMER
, JEWEL
)
114 DEFINE_CEPH_FEATURE(28, 2, SERVER_M
)
115 DEFINE_CEPH_FEATURE(29, 1, MDSENC
)
116 DEFINE_CEPH_FEATURE(30, 1, OSDHASHPSPOOL
)
117 DEFINE_CEPH_FEATURE(31, 1, MON_SINGLE_PAXOS
) // deprecate me
118 DEFINE_CEPH_FEATURE_RETIRED(32, 1, OSD_SNAPMAPPER
, JEWEL
, LUMINOUS
)
120 DEFINE_CEPH_FEATURE_RETIRED(33, 1, MON_SCRUB
, JEWEL
, LUMINOUS
)
122 DEFINE_CEPH_FEATURE_RETIRED(34, 1, OSD_PACKED_RECOVERY
, JEWEL
, LUMINOUS
)
124 DEFINE_CEPH_FEATURE(35, 1, OSD_CACHEPOOL
)
125 DEFINE_CEPH_FEATURE(36, 1, CRUSH_V2
)
126 DEFINE_CEPH_FEATURE(37, 1, EXPORT_PEER
)
127 DEFINE_CEPH_FEATURE(38, 1, OSD_ERASURE_CODES
)
128 DEFINE_CEPH_FEATURE(38, 1, OSD_OSD_TMAP2OMAP
) // overlap
129 DEFINE_CEPH_FEATURE(39, 1, OSDMAP_ENC
)
130 DEFINE_CEPH_FEATURE(40, 1, MDS_INLINE_DATA
)
131 DEFINE_CEPH_FEATURE(41, 1, CRUSH_TUNABLES3
)
132 DEFINE_CEPH_FEATURE(41, 1, OSD_PRIMARY_AFFINITY
) // overlap
133 DEFINE_CEPH_FEATURE(42, 1, MSGR_KEEPALIVE2
)
134 DEFINE_CEPH_FEATURE(43, 1, OSD_POOLRESEND
)
135 DEFINE_CEPH_FEATURE(44, 1, ERASURE_CODE_PLUGINS_V2
)
136 DEFINE_CEPH_FEATURE_RETIRED(45, 1, OSD_SET_ALLOC_HINT
, JEWEL
, LUMINOUS
)
138 DEFINE_CEPH_FEATURE(46, 1, OSD_FADVISE_FLAGS
)
139 DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_REPOP
, JEWEL
, LUMINOUS
) // overlap
140 DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_OBJECT_DIGEST
, JEWEL
, LUMINOUS
) // overlap
141 DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_TRANSACTION_MAY_LAYOUT
, JEWEL
, LUMINOUS
) // overlap
143 DEFINE_CEPH_FEATURE(47, 1, MDS_QUOTA
)
144 DEFINE_CEPH_FEATURE(48, 1, CRUSH_V4
)
145 DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_MIN_SIZE_RECOVERY
, JEWEL
, LUMINOUS
)
146 DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_PROXY_FEATURES
, JEWEL
, LUMINOUS
) // overlap
148 DEFINE_CEPH_FEATURE(50, 1, MON_METADATA
)
149 DEFINE_CEPH_FEATURE(51, 1, OSD_BITWISE_HOBJ_SORT
)
150 DEFINE_CEPH_FEATURE(52, 1, OSD_PROXY_WRITE_FEATURES
)
151 DEFINE_CEPH_FEATURE(53, 1, ERASURE_CODE_PLUGINS_V3
)
152 DEFINE_CEPH_FEATURE(54, 1, OSD_HITSET_GMT
)
153 DEFINE_CEPH_FEATURE(55, 1, HAMMER_0_94_4
)
154 DEFINE_CEPH_FEATURE(56, 1, NEW_OSDOP_ENCODING
)
155 DEFINE_CEPH_FEATURE(57, 1, MON_STATEFUL_SUB
)
156 DEFINE_CEPH_FEATURE(57, 1, MON_ROUTE_OSDMAP
) // overlap
157 DEFINE_CEPH_FEATURE(57, 1, OSDSUBOP_NO_SNAPCONTEXT
) // overlap
158 DEFINE_CEPH_FEATURE(57, 1, SERVER_JEWEL
) // overlap
159 DEFINE_CEPH_FEATURE(58, 1, CRUSH_TUNABLES5
)
160 DEFINE_CEPH_FEATURE(58, 1, NEW_OSDOPREPLY_ENCODING
) // overlap
161 DEFINE_CEPH_FEATURE(58, 1, FS_FILE_LAYOUT_V2
) // overlap
162 DEFINE_CEPH_FEATURE(59, 1, FS_BTIME
)
163 DEFINE_CEPH_FEATURE(59, 1, FS_CHANGE_ATTR
) // overlap
164 DEFINE_CEPH_FEATURE(59, 1, MSG_ADDR2
) // overlap
165 DEFINE_CEPH_FEATURE(60, 1, BLKIN_TRACING
) // *do not share this bit*
167 DEFINE_CEPH_FEATURE(61, 1, RESERVED2
) // unused, but slow down!
168 DEFINE_CEPH_FEATURE(62, 1, RESERVED
) // do not use; used as a sentinal
169 DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN
, LUMINOUS
) // client-facing
173 * conditionally include blkin in CEPH_FEATURES_ALL/SUPPORTED_DEFAULT
176 #define CEPH_FEATURES_BLKIN CEPH_FEATURE_BLKIN_TRACING
178 #define CEPH_FEATURES_BLKIN 0
182 * Features supported. Should be everything above.
184 #define CEPH_FEATURES_ALL \
185 (CEPH_FEATURE_UID | \
186 CEPH_FEATURE_NOSRCADDR | \
187 CEPH_FEATURE_FLOCK | \
188 CEPH_FEATURE_SUBSCRIBE2 | \
189 CEPH_FEATURE_MONNAMES | \
190 CEPH_FEATURE_RECONNECT_SEQ | \
191 CEPH_FEATURE_DIRLAYOUTHASH | \
192 CEPH_FEATURE_OBJECTLOCATOR | \
193 CEPH_FEATURE_PGID64 | \
194 CEPH_FEATURE_INCSUBOSDMAP | \
195 CEPH_FEATURE_PGPOOL3 | \
196 CEPH_FEATURE_OSDREPLYMUX | \
197 CEPH_FEATURE_OSDENC | \
198 CEPH_FEATURE_MONENC | \
199 CEPH_FEATURE_CRUSH_TUNABLES | \
200 CEPH_FEATURE_MSG_AUTH | \
201 CEPH_FEATURE_CRUSH_TUNABLES2 | \
202 CEPH_FEATURE_CREATEPOOLID | \
203 CEPH_FEATURE_REPLY_CREATE_INODE | \
204 CEPH_FEATURE_MDSENC | \
205 CEPH_FEATURE_OSDHASHPSPOOL | \
206 CEPH_FEATURE_NEW_OSDOP_ENCODING | \
207 CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING | \
208 CEPH_FEATURE_MON_SINGLE_PAXOS | \
209 CEPH_FEATURE_OSD_CACHEPOOL | \
210 CEPH_FEATURE_CRUSH_V2 | \
211 CEPH_FEATURE_EXPORT_PEER | \
212 CEPH_FEATURE_OSD_ERASURE_CODES | \
213 CEPH_FEATURE_OSDMAP_ENC | \
214 CEPH_FEATURE_MDS_INLINE_DATA | \
215 CEPH_FEATURE_CRUSH_TUNABLES3 | \
216 CEPH_FEATURE_OSD_PRIMARY_AFFINITY | \
217 CEPH_FEATURE_MSGR_KEEPALIVE2 | \
218 CEPH_FEATURE_OSD_POOLRESEND | \
219 CEPH_FEATURE_ERASURE_CODE_PLUGINS_V2 | \
220 CEPH_FEATURE_OSD_FADVISE_FLAGS | \
221 CEPH_FEATURE_MDS_QUOTA | \
222 CEPH_FEATURE_CRUSH_V4 | \
223 CEPH_FEATURE_MON_METADATA | \
224 CEPH_FEATURE_OSD_BITWISE_HOBJ_SORT | \
225 CEPH_FEATURE_ERASURE_CODE_PLUGINS_V3 | \
226 CEPH_FEATURE_OSD_PROXY_WRITE_FEATURES | \
227 CEPH_FEATURE_OSD_HITSET_GMT | \
228 CEPH_FEATURE_HAMMER_0_94_4 | \
229 CEPH_FEATURE_MON_STATEFUL_SUB | \
230 CEPH_FEATURE_MON_ROUTE_OSDMAP | \
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 | \
241 CEPH_FEATURES_BLKIN | \
244 #define CEPH_FEATURES_SUPPORTED_DEFAULT CEPH_FEATURES_ALL
247 * crush related features
249 #define CEPH_FEATURES_CRUSH \
250 (CEPH_FEATURE_CRUSH_TUNABLES | \
251 CEPH_FEATURE_CRUSH_TUNABLES2 | \
252 CEPH_FEATURE_CRUSH_TUNABLES3 | \
253 CEPH_FEATURE_CRUSH_TUNABLES5 | \
254 CEPH_FEATURE_CRUSH_V2 | \
255 CEPH_FEATURE_CRUSH_V4 | \
256 CEPH_FEATURE_CRUSH_CHOOSE_ARGS)
259 * make sure we don't try to use the reserved features
261 #define CEPH_STATIC_ASSERT(x) (void)(sizeof(int[((x)==0) ? -1 : 0]))
263 static inline void ____build_time_check_for_reserved_bits(void) {
264 CEPH_STATIC_ASSERT((CEPH_FEATURES_ALL
&
265 (CEPH_FEATURE_RESERVED
|
266 CEPH_FEATURE_RESERVED2
|
267 DEPRECATED_CEPH_FEATURE_RESERVED_BROKEN
)) == 0);