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 | |
76 | DEFINE_CEPH_FEATURE( 0, 1, UID) |
77 | DEFINE_CEPH_FEATURE( 1, 1, NOSRCADDR) |
78 | DEFINE_CEPH_FEATURE_RETIRED( 2, 1, MONCLOCKCHECK, JEWEL, LUMINOUS) |
79 | DEFINE_CEPH_FEATURE( 2, 3, SERVER_NAUTILUS) |
80 | DEFINE_CEPH_FEATURE( 3, 1, FLOCK) |
81 | DEFINE_CEPH_FEATURE( 4, 1, SUBSCRIBE2) |
82 | DEFINE_CEPH_FEATURE( 5, 1, MONNAMES) |
83 | DEFINE_CEPH_FEATURE( 6, 1, RECONNECT_SEQ) |
84 | DEFINE_CEPH_FEATURE( 7, 1, DIRLAYOUTHASH) |
85 | DEFINE_CEPH_FEATURE( 8, 1, OBJECTLOCATOR) |
86 | DEFINE_CEPH_FEATURE( 9, 1, PGID64) |
87 | DEFINE_CEPH_FEATURE(10, 1, INCSUBOSDMAP) |
88 | DEFINE_CEPH_FEATURE(11, 1, PGPOOL3) |
89 | DEFINE_CEPH_FEATURE(12, 1, OSDREPLYMUX) |
90 | DEFINE_CEPH_FEATURE(13, 1, OSDENC) |
91 | DEFINE_CEPH_FEATURE_RETIRED(14, 1, OMAP, HAMMER, JEWEL) |
92 | DEFINE_CEPH_FEATURE(14, 2, SERVER_KRAKEN) |
93 | DEFINE_CEPH_FEATURE(15, 1, MONENC) |
94 | DEFINE_CEPH_FEATURE_RETIRED(16, 1, QUERY_T, JEWEL, LUMINOUS) |
95 | |
96 | DEFINE_CEPH_FEATURE_RETIRED(17, 1, INDEP_PG_MAP, JEWEL, LUMINOUS) |
97 | |
98 | DEFINE_CEPH_FEATURE(18, 1, CRUSH_TUNABLES) |
99 | DEFINE_CEPH_FEATURE_RETIRED(19, 1, CHUNKY_SCRUB, JEWEL, LUMINOUS) |
100 | |
101 | DEFINE_CEPH_FEATURE_RETIRED(20, 1, MON_NULLROUTE, JEWEL, LUMINOUS) |
102 | |
103 | DEFINE_CEPH_FEATURE_RETIRED(21, 1, MON_GV, HAMMER, JEWEL) |
104 | DEFINE_CEPH_FEATURE(21, 2, SERVER_LUMINOUS) |
105 | DEFINE_CEPH_FEATURE(21, 2, RESEND_ON_SPLIT) // overlap |
106 | DEFINE_CEPH_FEATURE(21, 2, RADOS_BACKOFF) // overlap |
107 | DEFINE_CEPH_FEATURE(21, 2, OSDMAP_PG_UPMAP) // overlap |
108 | DEFINE_CEPH_FEATURE(21, 2, CRUSH_CHOOSE_ARGS) // overlap |
109 | DEFINE_CEPH_FEATURE_RETIRED(22, 1, BACKFILL_RESERVATION, JEWEL, LUMINOUS) |
110 | |
111 | DEFINE_CEPH_FEATURE(23, 1, MSG_AUTH) |
112 | DEFINE_CEPH_FEATURE_RETIRED(24, 1, RECOVERY_RESERVATION, JEWEL, LUNINOUS) |
113 | |
114 | DEFINE_CEPH_FEATURE(25, 1, CRUSH_TUNABLES2) |
115 | DEFINE_CEPH_FEATURE(26, 1, CREATEPOOLID) |
116 | DEFINE_CEPH_FEATURE(27, 1, REPLY_CREATE_INODE) |
117 | DEFINE_CEPH_FEATURE_RETIRED(28, 1, OSD_HBMSGS, HAMMER, JEWEL) |
118 | DEFINE_CEPH_FEATURE(28, 2, SERVER_MIMIC) |
119 | DEFINE_CEPH_FEATURE(29, 1, MDSENC) |
120 | DEFINE_CEPH_FEATURE(30, 1, OSDHASHPSPOOL) |
121 | DEFINE_CEPH_FEATURE(31, 1, MON_SINGLE_PAXOS) // deprecate me |
122 | DEFINE_CEPH_FEATURE_RETIRED(32, 1, OSD_SNAPMAPPER, JEWEL, LUMINOUS) |
123 | |
124 | DEFINE_CEPH_FEATURE_RETIRED(33, 1, MON_SCRUB, JEWEL, LUMINOUS) |
125 | |
126 | DEFINE_CEPH_FEATURE_RETIRED(34, 1, OSD_PACKED_RECOVERY, JEWEL, LUMINOUS) |
127 | |
128 | DEFINE_CEPH_FEATURE(35, 1, OSD_CACHEPOOL) |
129 | DEFINE_CEPH_FEATURE(36, 1, CRUSH_V2) |
130 | DEFINE_CEPH_FEATURE(37, 1, EXPORT_PEER) |
131 | DEFINE_CEPH_FEATURE(38, 1, OSD_ERASURE_CODES) |
132 | DEFINE_CEPH_FEATURE(38, 1, OSD_OSD_TMAP2OMAP) // overlap |
133 | DEFINE_CEPH_FEATURE(39, 1, OSDMAP_ENC) |
134 | DEFINE_CEPH_FEATURE(40, 1, MDS_INLINE_DATA) |
135 | DEFINE_CEPH_FEATURE(41, 1, CRUSH_TUNABLES3) |
136 | DEFINE_CEPH_FEATURE(41, 1, OSD_PRIMARY_AFFINITY) // overlap |
137 | DEFINE_CEPH_FEATURE(42, 1, MSGR_KEEPALIVE2) |
138 | DEFINE_CEPH_FEATURE(43, 1, OSD_POOLRESEND) |
139 | DEFINE_CEPH_FEATURE(44, 1, ERASURE_CODE_PLUGINS_V2) |
140 | DEFINE_CEPH_FEATURE_RETIRED(45, 1, OSD_SET_ALLOC_HINT, JEWEL, LUMINOUS) |
141 | |
142 | DEFINE_CEPH_FEATURE(46, 1, OSD_FADVISE_FLAGS) |
143 | DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_REPOP, JEWEL, LUMINOUS) // overlap |
144 | DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_OBJECT_DIGEST, JEWEL, LUMINOUS) // overlap |
145 | DEFINE_CEPH_FEATURE_RETIRED(46, 1, OSD_TRANSACTION_MAY_LAYOUT, JEWEL, LUMINOUS) // overlap |
146 | |
147 | DEFINE_CEPH_FEATURE(47, 1, MDS_QUOTA) |
148 | DEFINE_CEPH_FEATURE(48, 1, CRUSH_V4) |
149 | DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_MIN_SIZE_RECOVERY, JEWEL, LUMINOUS) |
150 | DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_PROXY_FEATURES, JEWEL, LUMINOUS) // overlap |
151 | |
152 | DEFINE_CEPH_FEATURE(50, 1, MON_METADATA) |
153 | DEFINE_CEPH_FEATURE(51, 1, OSD_BITWISE_HOBJ_SORT) |
154 | DEFINE_CEPH_FEATURE(52, 1, OSD_PROXY_WRITE_FEATURES) |
155 | DEFINE_CEPH_FEATURE(53, 1, ERASURE_CODE_PLUGINS_V3) |
156 | DEFINE_CEPH_FEATURE(54, 1, OSD_HITSET_GMT) |
157 | DEFINE_CEPH_FEATURE(55, 1, HAMMER_0_94_4) |
158 | DEFINE_CEPH_FEATURE(56, 1, NEW_OSDOP_ENCODING) |
159 | DEFINE_CEPH_FEATURE(57, 1, MON_STATEFUL_SUB) |
160 | DEFINE_CEPH_FEATURE(57, 1, MON_ROUTE_OSDMAP) // overlap |
161 | DEFINE_CEPH_FEATURE(57, 1, OSDSUBOP_NO_SNAPCONTEXT) // overlap |
162 | DEFINE_CEPH_FEATURE(57, 1, SERVER_JEWEL) // overlap |
163 | DEFINE_CEPH_FEATURE(58, 1, CRUSH_TUNABLES5) |
164 | DEFINE_CEPH_FEATURE(58, 1, NEW_OSDOPREPLY_ENCODING) // overlap |
165 | DEFINE_CEPH_FEATURE(58, 1, FS_FILE_LAYOUT_V2) // overlap |
166 | DEFINE_CEPH_FEATURE(59, 1, FS_BTIME) |
167 | DEFINE_CEPH_FEATURE(59, 1, FS_CHANGE_ATTR) // overlap |
168 | DEFINE_CEPH_FEATURE(59, 1, MSG_ADDR2) // overlap |
169 | DEFINE_CEPH_FEATURE(60, 1, OSD_RECOVERY_DELETES) // *do not share this bit* |
170 | DEFINE_CEPH_FEATURE(61, 1, CEPHX_V2) // *do not share this bit* |
171 | |
172 | DEFINE_CEPH_FEATURE(62, 1, RESERVED) // do not use; used as a sentinal |
173 | DEFINE_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 | |