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93c68cc4 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
b411b363 PR |
2 | /* |
3 | drbd.h | |
4 | ||
5 | This file is part of DRBD by Philipp Reisner and Lars Ellenberg. | |
6 | ||
7 | Copyright (C) 2003-2008, LINBIT Information Technologies GmbH. | |
8 | Copyright (C) 2003-2008, Philipp Reisner <philipp.reisner@linbit.com>. | |
9 | Copyright (C) 2003-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. | |
10 | ||
b411b363 PR |
11 | |
12 | */ | |
13 | ||
14 | #include <linux/drbd.h> | |
d9f65229 | 15 | #include "drbd_strings.h" |
b411b363 | 16 | |
7e5fec31 | 17 | static const char * const drbd_conn_s_names[] = { |
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18 | [C_STANDALONE] = "StandAlone", |
19 | [C_DISCONNECTING] = "Disconnecting", | |
20 | [C_UNCONNECTED] = "Unconnected", | |
21 | [C_TIMEOUT] = "Timeout", | |
22 | [C_BROKEN_PIPE] = "BrokenPipe", | |
23 | [C_NETWORK_FAILURE] = "NetworkFailure", | |
24 | [C_PROTOCOL_ERROR] = "ProtocolError", | |
25 | [C_WF_CONNECTION] = "WFConnection", | |
26 | [C_WF_REPORT_PARAMS] = "WFReportParams", | |
27 | [C_TEAR_DOWN] = "TearDown", | |
28 | [C_CONNECTED] = "Connected", | |
29 | [C_STARTING_SYNC_S] = "StartingSyncS", | |
30 | [C_STARTING_SYNC_T] = "StartingSyncT", | |
31 | [C_WF_BITMAP_S] = "WFBitMapS", | |
32 | [C_WF_BITMAP_T] = "WFBitMapT", | |
33 | [C_WF_SYNC_UUID] = "WFSyncUUID", | |
34 | [C_SYNC_SOURCE] = "SyncSource", | |
35 | [C_SYNC_TARGET] = "SyncTarget", | |
36 | [C_PAUSED_SYNC_S] = "PausedSyncS", | |
37 | [C_PAUSED_SYNC_T] = "PausedSyncT", | |
38 | [C_VERIFY_S] = "VerifyS", | |
39 | [C_VERIFY_T] = "VerifyT", | |
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40 | [C_AHEAD] = "Ahead", |
41 | [C_BEHIND] = "Behind", | |
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42 | }; |
43 | ||
7e5fec31 | 44 | static const char * const drbd_role_s_names[] = { |
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45 | [R_PRIMARY] = "Primary", |
46 | [R_SECONDARY] = "Secondary", | |
47 | [R_UNKNOWN] = "Unknown" | |
48 | }; | |
49 | ||
7e5fec31 | 50 | static const char * const drbd_disk_s_names[] = { |
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51 | [D_DISKLESS] = "Diskless", |
52 | [D_ATTACHING] = "Attaching", | |
53 | [D_FAILED] = "Failed", | |
54 | [D_NEGOTIATING] = "Negotiating", | |
55 | [D_INCONSISTENT] = "Inconsistent", | |
56 | [D_OUTDATED] = "Outdated", | |
57 | [D_UNKNOWN] = "DUnknown", | |
58 | [D_CONSISTENT] = "Consistent", | |
59 | [D_UP_TO_DATE] = "UpToDate", | |
60 | }; | |
61 | ||
7e5fec31 | 62 | static const char * const drbd_state_sw_errors[] = { |
b411b363 | 63 | [-SS_TWO_PRIMARIES] = "Multiple primaries not allowed by config", |
8d4ce82b | 64 | [-SS_NO_UP_TO_DATE_DISK] = "Need access to UpToDate data", |
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65 | [-SS_NO_LOCAL_DISK] = "Can not resync without local disk", |
66 | [-SS_NO_REMOTE_DISK] = "Can not resync without remote disk", | |
67 | [-SS_CONNECTED_OUTDATES] = "Refusing to be Outdated while Connected", | |
68 | [-SS_PRIMARY_NOP] = "Refusing to be Primary while peer is not outdated", | |
69 | [-SS_RESYNC_RUNNING] = "Can not start OV/resync since it is already active", | |
70 | [-SS_ALREADY_STANDALONE] = "Can not disconnect a StandAlone device", | |
71 | [-SS_CW_FAILED_BY_PEER] = "State change was refused by peer node", | |
72 | [-SS_IS_DISKLESS] = "Device is diskless, the requested operation requires a disk", | |
73 | [-SS_DEVICE_IN_USE] = "Device is held open by someone", | |
74 | [-SS_NO_NET_CONFIG] = "Have no net/connection configuration", | |
75 | [-SS_NO_VERIFY_ALG] = "Need a verify algorithm to start online verify", | |
76 | [-SS_NEED_CONNECTION] = "Need a connection to start verify or resync", | |
77 | [-SS_NOT_SUPPORTED] = "Peer does not support protocol", | |
78 | [-SS_LOWER_THAN_OUTDATED] = "Disk state is lower than outdated", | |
79 | [-SS_IN_TRANSIENT_STATE] = "In transient state, retry after next state change", | |
80 | [-SS_CONCURRENT_ST_CHG] = "Concurrent state changes detected and aborted", | |
2bd5ed5d | 81 | [-SS_OUTDATE_WO_CONN] = "Need a connection for a graceful disconnect/outdate peer", |
047e95e2 | 82 | [-SS_O_VOL_PEER_PRI] = "Other vol primary on peer not allowed by config", |
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83 | }; |
84 | ||
85 | const char *drbd_conn_str(enum drbd_conns s) | |
86 | { | |
87 | /* enums are unsigned... */ | |
67531718 | 88 | return s > C_BEHIND ? "TOO_LARGE" : drbd_conn_s_names[s]; |
b411b363 PR |
89 | } |
90 | ||
91 | const char *drbd_role_str(enum drbd_role s) | |
92 | { | |
93 | return s > R_SECONDARY ? "TOO_LARGE" : drbd_role_s_names[s]; | |
94 | } | |
95 | ||
96 | const char *drbd_disk_str(enum drbd_disk_state s) | |
97 | { | |
98 | return s > D_UP_TO_DATE ? "TOO_LARGE" : drbd_disk_s_names[s]; | |
99 | } | |
100 | ||
c8b32563 | 101 | const char *drbd_set_st_err_str(enum drbd_state_rv err) |
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102 | { |
103 | return err <= SS_AFTER_LAST_ERROR ? "TOO_SMALL" : | |
104 | err > SS_TWO_PRIMARIES ? "TOO_LARGE" | |
105 | : drbd_state_sw_errors[-err]; | |
106 | } |