1 // SPDX-License-Identifier: GPL-2.0-or-later 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53 [D_FAILED] = "Failed", 54 [D_NEGOTIATING] = "Negotiating", 55 [D_INCONSISTENT] = "Inconsistent", 56 [D_OUTDATED] = "Outdated", 57 [D_UNKNOWN] = "DUnknown", 58 [D_CONSISTENT] = "Consistent", 59 [D_UP_TO_DATE] = "UpToDate", 60 }; 61 62 static const char * const drbd_state_sw_errors[] =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disk", 66 [-SS_NO_REMOTE_DISK] = "Can not resync without remote disk", 67 [-SS_CONNECTED_OUTDATES] = "Refusing to be Outdated while Connected", 68 [-SS_PRIMARY_NOP] = "Refusing to be Primary while peer is not outdated", 69 [-SS_RESYNC_RUNNING] = "Can not start OV/resync since it is already active", 70 [-SS_ALREADY_STANDALONE] = "Can not disconnect a StandAlone device", 71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