1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun drbd.h
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun This file is part of DRBD by Philipp Reisner and Lars Ellenberg.
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun Copyright (C) 2003-2008, LINBIT Information Technologies GmbH.
8*4882a593Smuzhiyun Copyright (C) 2003-2008, Philipp Reisner <philipp.reisner@linbit.com>.
9*4882a593Smuzhiyun Copyright (C) 2003-2008, Lars Ellenberg <lars.ellenberg@linbit.com>.
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun */
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include <linux/drbd.h>
15*4882a593Smuzhiyun #include "drbd_strings.h"
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun static const char * const drbd_conn_s_names[] = {
18*4882a593Smuzhiyun [C_STANDALONE] = "StandAlone",
19*4882a593Smuzhiyun [C_DISCONNECTING] = "Disconnecting",
20*4882a593Smuzhiyun [C_UNCONNECTED] = "Unconnected",
21*4882a593Smuzhiyun [C_TIMEOUT] = "Timeout",
22*4882a593Smuzhiyun [C_BROKEN_PIPE] = "BrokenPipe",
23*4882a593Smuzhiyun [C_NETWORK_FAILURE] = "NetworkFailure",
24*4882a593Smuzhiyun [C_PROTOCOL_ERROR] = "ProtocolError",
25*4882a593Smuzhiyun [C_WF_CONNECTION] = "WFConnection",
26*4882a593Smuzhiyun [C_WF_REPORT_PARAMS] = "WFReportParams",
27*4882a593Smuzhiyun [C_TEAR_DOWN] = "TearDown",
28*4882a593Smuzhiyun [C_CONNECTED] = "Connected",
29*4882a593Smuzhiyun [C_STARTING_SYNC_S] = "StartingSyncS",
30*4882a593Smuzhiyun [C_STARTING_SYNC_T] = "StartingSyncT",
31*4882a593Smuzhiyun [C_WF_BITMAP_S] = "WFBitMapS",
32*4882a593Smuzhiyun [C_WF_BITMAP_T] = "WFBitMapT",
33*4882a593Smuzhiyun [C_WF_SYNC_UUID] = "WFSyncUUID",
34*4882a593Smuzhiyun [C_SYNC_SOURCE] = "SyncSource",
35*4882a593Smuzhiyun [C_SYNC_TARGET] = "SyncTarget",
36*4882a593Smuzhiyun [C_PAUSED_SYNC_S] = "PausedSyncS",
37*4882a593Smuzhiyun [C_PAUSED_SYNC_T] = "PausedSyncT",
38*4882a593Smuzhiyun [C_VERIFY_S] = "VerifyS",
39*4882a593Smuzhiyun [C_VERIFY_T] = "VerifyT",
40*4882a593Smuzhiyun [C_AHEAD] = "Ahead",
41*4882a593Smuzhiyun [C_BEHIND] = "Behind",
42*4882a593Smuzhiyun };
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun static const char * const drbd_role_s_names[] = {
45*4882a593Smuzhiyun [R_PRIMARY] = "Primary",
46*4882a593Smuzhiyun [R_SECONDARY] = "Secondary",
47*4882a593Smuzhiyun [R_UNKNOWN] = "Unknown"
48*4882a593Smuzhiyun };
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun static const char * const drbd_disk_s_names[] = {
51*4882a593Smuzhiyun [D_DISKLESS] = "Diskless",
52*4882a593Smuzhiyun [D_ATTACHING] = "Attaching",
53*4882a593Smuzhiyun [D_FAILED] = "Failed",
54*4882a593Smuzhiyun [D_NEGOTIATING] = "Negotiating",
55*4882a593Smuzhiyun [D_INCONSISTENT] = "Inconsistent",
56*4882a593Smuzhiyun [D_OUTDATED] = "Outdated",
57*4882a593Smuzhiyun [D_UNKNOWN] = "DUnknown",
58*4882a593Smuzhiyun [D_CONSISTENT] = "Consistent",
59*4882a593Smuzhiyun [D_UP_TO_DATE] = "UpToDate",
60*4882a593Smuzhiyun };
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun static const char * const drbd_state_sw_errors[] = {
63*4882a593Smuzhiyun [-SS_TWO_PRIMARIES] = "Multiple primaries not allowed by config",
64*4882a593Smuzhiyun [-SS_NO_UP_TO_DATE_DISK] = "Need access to UpToDate data",
65*4882a593Smuzhiyun [-SS_NO_LOCAL_DISK] = "Can not resync without local disk",
66*4882a593Smuzhiyun [-SS_NO_REMOTE_DISK] = "Can not resync without remote disk",
67*4882a593Smuzhiyun [-SS_CONNECTED_OUTDATES] = "Refusing to be Outdated while Connected",
68*4882a593Smuzhiyun [-SS_PRIMARY_NOP] = "Refusing to be Primary while peer is not outdated",
69*4882a593Smuzhiyun [-SS_RESYNC_RUNNING] = "Can not start OV/resync since it is already active",
70*4882a593Smuzhiyun [-SS_ALREADY_STANDALONE] = "Can not disconnect a StandAlone device",
71*4882a593Smuzhiyun [-SS_CW_FAILED_BY_PEER] = "State change was refused by peer node",
72*4882a593Smuzhiyun [-SS_IS_DISKLESS] = "Device is diskless, the requested operation requires a disk",
73*4882a593Smuzhiyun [-SS_DEVICE_IN_USE] = "Device is held open by someone",
74*4882a593Smuzhiyun [-SS_NO_NET_CONFIG] = "Have no net/connection configuration",
75*4882a593Smuzhiyun [-SS_NO_VERIFY_ALG] = "Need a verify algorithm to start online verify",
76*4882a593Smuzhiyun [-SS_NEED_CONNECTION] = "Need a connection to start verify or resync",
77*4882a593Smuzhiyun [-SS_NOT_SUPPORTED] = "Peer does not support protocol",
78*4882a593Smuzhiyun [-SS_LOWER_THAN_OUTDATED] = "Disk state is lower than outdated",
79*4882a593Smuzhiyun [-SS_IN_TRANSIENT_STATE] = "In transient state, retry after next state change",
80*4882a593Smuzhiyun [-SS_CONCURRENT_ST_CHG] = "Concurrent state changes detected and aborted",
81*4882a593Smuzhiyun [-SS_OUTDATE_WO_CONN] = "Need a connection for a graceful disconnect/outdate peer",
82*4882a593Smuzhiyun [-SS_O_VOL_PEER_PRI] = "Other vol primary on peer not allowed by config",
83*4882a593Smuzhiyun };
84*4882a593Smuzhiyun
drbd_conn_str(enum drbd_conns s)85*4882a593Smuzhiyun const char *drbd_conn_str(enum drbd_conns s)
86*4882a593Smuzhiyun {
87*4882a593Smuzhiyun /* enums are unsigned... */
88*4882a593Smuzhiyun return s > C_BEHIND ? "TOO_LARGE" : drbd_conn_s_names[s];
89*4882a593Smuzhiyun }
90*4882a593Smuzhiyun
drbd_role_str(enum drbd_role s)91*4882a593Smuzhiyun const char *drbd_role_str(enum drbd_role s)
92*4882a593Smuzhiyun {
93*4882a593Smuzhiyun return s > R_SECONDARY ? "TOO_LARGE" : drbd_role_s_names[s];
94*4882a593Smuzhiyun }
95*4882a593Smuzhiyun
drbd_disk_str(enum drbd_disk_state s)96*4882a593Smuzhiyun const char *drbd_disk_str(enum drbd_disk_state s)
97*4882a593Smuzhiyun {
98*4882a593Smuzhiyun return s > D_UP_TO_DATE ? "TOO_LARGE" : drbd_disk_s_names[s];
99*4882a593Smuzhiyun }
100*4882a593Smuzhiyun
drbd_set_st_err_str(enum drbd_state_rv err)101*4882a593Smuzhiyun const char *drbd_set_st_err_str(enum drbd_state_rv err)
102*4882a593Smuzhiyun {
103*4882a593Smuzhiyun return err <= SS_AFTER_LAST_ERROR ? "TOO_SMALL" :
104*4882a593Smuzhiyun err > SS_TWO_PRIMARIES ? "TOO_LARGE"
105*4882a593Smuzhiyun : drbd_state_sw_errors[-err];
106*4882a593Smuzhiyun }
107