drbd_strings.c

  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
 17static 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
 44static const char * const drbd_role_s_names[] = {
 45	[R_PRIMARY]   = "Primary",
 46	[R_SECONDARY] = "Secondary",
 47	[R_UNKNOWN]   = "Unknown"
 48};
 49
 50static 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 56	[D_OUTDATED]     = "Outdated",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
 62static 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 67	[-SS_CONNECTED_OUTDATES] = "Refusing to be Outdated while Connected",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
 85const 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
 91const char *drbd_role_str(enum drbd_role s)
 92{
 93	return s > R_SECONDARY   ? "TOO_LARGE" : drbd_role_s_names[s];
 94}
 95
 96const 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
101const 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}