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1fe60e51 SW |
1 | #ifndef __CEPH_FEATURES |
2 | #define __CEPH_FEATURES | |
3 | ||
4 | /* | |
f179d3ba ID |
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). | |
1fe60e51 | 8 | */ |
f179d3ba ID |
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 | ||
2b3e0c90 | 173 | |
1fe60e51 SW |
174 | /* |
175 | * Features supported. | |
176 | */ | |
2b3e0c90 | 177 | #define CEPH_FEATURES_SUPPORTED_DEFAULT \ |
4f6a7e5e | 178 | (CEPH_FEATURE_NOSRCADDR | \ |
74da4a0f | 179 | CEPH_FEATURE_FLOCK | \ |
82dcabad | 180 | CEPH_FEATURE_SUBSCRIBE2 | \ |
3a23083b | 181 | CEPH_FEATURE_RECONNECT_SEQ | \ |
74da4a0f | 182 | CEPH_FEATURE_DIRLAYOUTHASH | \ |
4f6a7e5e SW |
183 | CEPH_FEATURE_PGID64 | \ |
184 | CEPH_FEATURE_PGPOOL3 | \ | |
185 | CEPH_FEATURE_OSDENC | \ | |
186 | CEPH_FEATURE_CRUSH_TUNABLES | \ | |
33d07337 | 187 | CEPH_FEATURE_MSG_AUTH | \ |
4f6a7e5e | 188 | CEPH_FEATURE_CRUSH_TUNABLES2 | \ |
83ca14fd | 189 | CEPH_FEATURE_REPLY_CREATE_INODE | \ |
74da4a0f | 190 | CEPH_FEATURE_MDSENC | \ |
cdff4991 | 191 | CEPH_FEATURE_OSDHASHPSPOOL | \ |
80e163a5 | 192 | CEPH_FEATURE_OSD_CACHEPOOL | \ |
80213a84 | 193 | CEPH_FEATURE_CRUSH_V2 | \ |
07bd7de4 | 194 | CEPH_FEATURE_EXPORT_PEER | \ |
ddf3a21a | 195 | CEPH_FEATURE_OSDMAP_ENC | \ |
74da4a0f | 196 | CEPH_FEATURE_MDS_INLINE_DATA | \ |
18cb95af | 197 | CEPH_FEATURE_CRUSH_TUNABLES3 | \ |
7c1c4747 | 198 | CEPH_FEATURE_OSD_PRIMARY_AFFINITY | \ |
335c2585 | 199 | CEPH_FEATURE_MSGR_KEEPALIVE2 | \ |
97db9a88 | 200 | CEPH_FEATURE_CRUSH_V4 | \ |
b0b31a8f ID |
201 | CEPH_FEATURE_CRUSH_TUNABLES5 | \ |
202 | CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING) | |
1fe60e51 SW |
203 | |
204 | #define CEPH_FEATURES_REQUIRED_DEFAULT \ | |
4f6a7e5e | 205 | (CEPH_FEATURE_NOSRCADDR | \ |
82dcabad | 206 | CEPH_FEATURE_SUBSCRIBE2 | \ |
3a23083b | 207 | CEPH_FEATURE_RECONNECT_SEQ | \ |
4f6a7e5e SW |
208 | CEPH_FEATURE_PGID64 | \ |
209 | CEPH_FEATURE_PGPOOL3 | \ | |
210 | CEPH_FEATURE_OSDENC) | |
2b3e0c90 | 211 | |
1fe60e51 | 212 | #endif |