]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | #ifndef __CEPH_FEATURES |
2 | #define __CEPH_FEATURES | |
3 | ||
4 | #include "sys/types.h" | |
5 | ||
6 | /* | |
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) | |
10 | */ | |
11 | #define CEPH_FEATURE_INCARNATION_1 (0ull) | |
12 | #define CEPH_FEATURE_INCARNATION_2 (1ull<<57) // CEPH_FEATURE_SERVER_JEWEL | |
13 | ||
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); | |
18 | ||
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); | |
24 | ||
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) | |
28 | ||
29 | ||
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)) | |
36 | ||
37 | ||
38 | /* | |
39 | * Notes on deprecation: | |
40 | * | |
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). | |
44 | * | |
45 | * For feature bits used *only* on the server-side: | |
46 | * | |
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, | |
52 | * | |
53 | * DEFINE_CEPH_FEATURE_DEPRECATED( 2, 1, MONCLOCKCHECK, JEWEL) | |
54 | * | |
55 | * because 10.2.z (jewel) did not care if its peers advertised this | |
56 | * feature bit. | |
57 | * | |
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: | |
62 | * | |
63 | * DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK, JEWEL, LUMINOUS) | |
64 | * | |
65 | * - The bit can be reused in the first post-luminous release, 13.0.z | |
66 | * (m). | |
67 | * | |
68 | * This ensures that no two versions who have different meanings for | |
69 | * the bit ever speak to each other. | |
70 | */ | |
71 | ||
72 | DEFINE_CEPH_FEATURE( 0, 1, UID) | |
73 | DEFINE_CEPH_FEATURE( 1, 1, NOSRCADDR) | |
74 | DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK, JEWEL, LUMINOUS) | |
75 | ||
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) | |
91 | ||
92 | DEFINE_CEPH_FEATURE_RETIRED(17, 1, INDEP_PG_MAP, JEWEL, LUMINOUS) | |
93 | ||
94 | DEFINE_CEPH_FEATURE(18, 1, CRUSH_TUNABLES) | |
95 | DEFINE_CEPH_FEATURE_RETIRED(19, 1, CHUNKY_SCRUB, JEWEL, LUMINOUS) | |
96 | ||
97 | DEFINE_CEPH_FEATURE_RETIRED(20, 1, MON_NULLROUTE, JEWEL, LUMINOUS) | |
98 | ||
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 | |
31f18b77 | 104 | DEFINE_CEPH_FEATURE(21, 2, CRUSH_CHOOSE_ARGS) // overlap |
7c673cae FG |
105 | DEFINE_CEPH_FEATURE_RETIRED(22, 1, BACKFILL_RESERVATION, JEWEL, LUMINOUS) |
106 | ||
107 | DEFINE_CEPH_FEATURE(23, 1, MSG_AUTH) | |
108 | DEFINE_CEPH_FEATURE_RETIRED(24, 1, RECOVERY_RESERVATION, JEWEL, LUNINOUS) | |
109 | ||
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) | |
119 | ||
120 | DEFINE_CEPH_FEATURE_RETIRED(33, 1, MON_SCRUB, JEWEL, LUMINOUS) | |
121 | ||
122 | DEFINE_CEPH_FEATURE_RETIRED(34, 1, OSD_PACKED_RECOVERY, JEWEL, LUMINOUS) | |
123 | ||
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) | |
137 | ||
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 | |
142 | ||
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 | |
147 | ||
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* | |
166 | ||
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 | |
170 | ||
171 | ||
172 | /* | |
173 | * conditionally include blkin in CEPH_FEATURES_ALL/SUPPORTED_DEFAULT | |
174 | */ | |
175 | #ifdef WITH_BLKIN | |
176 | #define CEPH_FEATURES_BLKIN CEPH_FEATURE_BLKIN_TRACING | |
177 | #else | |
178 | #define CEPH_FEATURES_BLKIN 0 | |
179 | #endif | |
180 | ||
181 | /* | |
182 | * Features supported. Should be everything above. | |
183 | */ | |
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 | \ | |
242 | 0ULL) | |
243 | ||
244 | #define CEPH_FEATURES_SUPPORTED_DEFAULT CEPH_FEATURES_ALL | |
245 | ||
246 | /* | |
247 | * crush related features | |
248 | */ | |
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 | \ | |
31f18b77 | 256 | CEPH_FEATURE_CRUSH_CHOOSE_ARGS) |
7c673cae FG |
257 | |
258 | /* | |
259 | * make sure we don't try to use the reserved features | |
260 | */ | |
261 | #define CEPH_STATIC_ASSERT(x) (void)(sizeof(int[((x)==0) ? -1 : 0])) | |
262 | ||
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); | |
268 | } | |
269 | ||
270 | #endif |