1 | // SPDX-License-Identifier: GPL-2.0-only |
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 | |
11 | |
12 | */ |
13 | |
14 | #include <linux/drbd.h> |
15 | #include "drbd_strings.h" |
16 | |
17 | static const char * const drbd_conn_s_names[] = { |
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" , |
40 | [C_AHEAD] = "Ahead" , |
41 | [C_BEHIND] = "Behind" , |
42 | }; |
43 | |
44 | static const char * const drbd_role_s_names[] = { |
45 | [R_PRIMARY] = "Primary" , |
46 | [R_SECONDARY] = "Secondary" , |
47 | [R_UNKNOWN] = "Unknown" |
48 | }; |
49 | |
50 | static const char * const drbd_disk_s_names[] = { |
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56 | [D_OUTDATED] = "Outdated" , |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 | |
62 | static const char * const drbd_state_sw_errors[] = { |
63 | [-SS_TWO_PRIMARIES] = "Multiple primaries not allowed by config" , |
64 | [-SS_NO_UP_TO_DATE_DISK] = "Need access to UpToDate data" , |
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67 | [-SS_CONNECTED_OUTDATES] = "Refusing to be Outdated while Connected" , |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" , |
81 | [-SS_OUTDATE_WO_CONN] = "Need a connection for a graceful disconnect/outdate peer" , |
82 | [-SS_O_VOL_PEER_PRI] = "Other vol primary on peer not allowed by config" , |
83 | }; |
84 | |
85 | const char *drbd_conn_str(enum drbd_conns s) |
86 | { |
87 | /* enums are unsigned... */ |
88 | return s > C_BEHIND ? "TOO_LARGE" : drbd_conn_s_names[s]; |
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 | |
101 | const char *drbd_set_st_err_str(enum drbd_state_rv err) |
102 | { |
103 | return err <= SS_AFTER_LAST_ERROR ? "TOO_SMALL" : |
104 | err > SS_TWO_PRIMARIES ? "TOO_LARGE" |
105 | : drbd_state_sw_errors[-err]; |
106 | } |
107 | |