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b411b363 PR |
1 | /* |
2 | drbd.h | |
3 | ||
4 | This file is part of DRBD by Philipp Reisner and Lars Ellenberg. | |
5 | ||
6 | Copyright (C) 2003-2008, LINBIT Information Technologies GmbH. | |
7 | Copyright (C) 2003-2008, Philipp Reisner <philipp.reisner@linbit.com>. | |
8 | Copyright (C) 2003-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. | |
9 | ||
10 | drbd is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2, or (at your option) | |
13 | any later version. | |
14 | ||
15 | drbd is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with drbd; see the file COPYING. If not, write to | |
22 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | ||
24 | */ | |
25 | ||
26 | #include <linux/drbd.h> | |
27 | ||
28 | static const char *drbd_conn_s_names[] = { | |
29 | [C_STANDALONE] = "StandAlone", | |
30 | [C_DISCONNECTING] = "Disconnecting", | |
31 | [C_UNCONNECTED] = "Unconnected", | |
32 | [C_TIMEOUT] = "Timeout", | |
33 | [C_BROKEN_PIPE] = "BrokenPipe", | |
34 | [C_NETWORK_FAILURE] = "NetworkFailure", | |
35 | [C_PROTOCOL_ERROR] = "ProtocolError", | |
36 | [C_WF_CONNECTION] = "WFConnection", | |
37 | [C_WF_REPORT_PARAMS] = "WFReportParams", | |
38 | [C_TEAR_DOWN] = "TearDown", | |
39 | [C_CONNECTED] = "Connected", | |
40 | [C_STARTING_SYNC_S] = "StartingSyncS", | |
41 | [C_STARTING_SYNC_T] = "StartingSyncT", | |
42 | [C_WF_BITMAP_S] = "WFBitMapS", | |
43 | [C_WF_BITMAP_T] = "WFBitMapT", | |
44 | [C_WF_SYNC_UUID] = "WFSyncUUID", | |
45 | [C_SYNC_SOURCE] = "SyncSource", | |
46 | [C_SYNC_TARGET] = "SyncTarget", | |
47 | [C_PAUSED_SYNC_S] = "PausedSyncS", | |
48 | [C_PAUSED_SYNC_T] = "PausedSyncT", | |
49 | [C_VERIFY_S] = "VerifyS", | |
50 | [C_VERIFY_T] = "VerifyT", | |
67531718 PR |
51 | [C_AHEAD] = "Ahead", |
52 | [C_BEHIND] = "Behind", | |
b411b363 PR |
53 | }; |
54 | ||
55 | static const char *drbd_role_s_names[] = { | |
56 | [R_PRIMARY] = "Primary", | |
57 | [R_SECONDARY] = "Secondary", | |
58 | [R_UNKNOWN] = "Unknown" | |
59 | }; | |
60 | ||
61 | static const char *drbd_disk_s_names[] = { | |
62 | [D_DISKLESS] = "Diskless", | |
63 | [D_ATTACHING] = "Attaching", | |
64 | [D_FAILED] = "Failed", | |
65 | [D_NEGOTIATING] = "Negotiating", | |
66 | [D_INCONSISTENT] = "Inconsistent", | |
67 | [D_OUTDATED] = "Outdated", | |
68 | [D_UNKNOWN] = "DUnknown", | |
69 | [D_CONSISTENT] = "Consistent", | |
70 | [D_UP_TO_DATE] = "UpToDate", | |
71 | }; | |
72 | ||
73 | static const char *drbd_state_sw_errors[] = { | |
74 | [-SS_TWO_PRIMARIES] = "Multiple primaries not allowed by config", | |
8d4ce82b | 75 | [-SS_NO_UP_TO_DATE_DISK] = "Need access to UpToDate data", |
b411b363 PR |
76 | [-SS_NO_LOCAL_DISK] = "Can not resync without local disk", |
77 | [-SS_NO_REMOTE_DISK] = "Can not resync without remote disk", | |
78 | [-SS_CONNECTED_OUTDATES] = "Refusing to be Outdated while Connected", | |
79 | [-SS_PRIMARY_NOP] = "Refusing to be Primary while peer is not outdated", | |
80 | [-SS_RESYNC_RUNNING] = "Can not start OV/resync since it is already active", | |
81 | [-SS_ALREADY_STANDALONE] = "Can not disconnect a StandAlone device", | |
82 | [-SS_CW_FAILED_BY_PEER] = "State change was refused by peer node", | |
83 | [-SS_IS_DISKLESS] = "Device is diskless, the requested operation requires a disk", | |
84 | [-SS_DEVICE_IN_USE] = "Device is held open by someone", | |
85 | [-SS_NO_NET_CONFIG] = "Have no net/connection configuration", | |
86 | [-SS_NO_VERIFY_ALG] = "Need a verify algorithm to start online verify", | |
87 | [-SS_NEED_CONNECTION] = "Need a connection to start verify or resync", | |
88 | [-SS_NOT_SUPPORTED] = "Peer does not support protocol", | |
89 | [-SS_LOWER_THAN_OUTDATED] = "Disk state is lower than outdated", | |
90 | [-SS_IN_TRANSIENT_STATE] = "In transient state, retry after next state change", | |
91 | [-SS_CONCURRENT_ST_CHG] = "Concurrent state changes detected and aborted", | |
92 | }; | |
93 | ||
94 | const char *drbd_conn_str(enum drbd_conns s) | |
95 | { | |
96 | /* enums are unsigned... */ | |
67531718 | 97 | return s > C_BEHIND ? "TOO_LARGE" : drbd_conn_s_names[s]; |
b411b363 PR |
98 | } |
99 | ||
100 | const char *drbd_role_str(enum drbd_role s) | |
101 | { | |
102 | return s > R_SECONDARY ? "TOO_LARGE" : drbd_role_s_names[s]; | |
103 | } | |
104 | ||
105 | const char *drbd_disk_str(enum drbd_disk_state s) | |
106 | { | |
107 | return s > D_UP_TO_DATE ? "TOO_LARGE" : drbd_disk_s_names[s]; | |
108 | } | |
109 | ||
c8b32563 | 110 | const char *drbd_set_st_err_str(enum drbd_state_rv err) |
b411b363 PR |
111 | { |
112 | return err <= SS_AFTER_LAST_ERROR ? "TOO_SMALL" : | |
113 | err > SS_TWO_PRIMARIES ? "TOO_LARGE" | |
114 | : drbd_state_sw_errors[-err]; | |
115 | } |