1 /* 2 drbd.h 3 4 This file is part of DRBD by Philipp Reisner and Lars Ellenberg. 5 6 Copyright (C) 2003-2008, LINBIT Information Technologies GmbH. 7 Copyright (C) 2003-2008, Philipp Reisner <philipp.reisner@linbit.com>. 8 Copyright (C) 2003-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. 9 10 drbd is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2, or (at your option) 13 any later version. 14 15 drbd is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with drbd; see the file COPYING. If not, write to 22 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 23 24 */ 25 26 #include <linux/drbd.h> 27 28 static const char *drbd_conn_s_names[] = { 29 [C_STANDALONE] = "StandAlone", 30 [C_DISCONNECTING] = "Disconnecting", 31 [C_UNCONNECTED] = "Unconnected", 32 [C_TIMEOUT] = "Timeout", 33 [C_BROKEN_PIPE] = "BrokenPipe", 34 [C_NETWORK_FAILURE] = "NetworkFailure", 35 [C_PROTOCOL_ERROR] = "ProtocolError", 36 [C_WF_CONNECTION] = "WFConnection", 37 [C_WF_REPORT_PARAMS] = "WFReportParams", 38 [C_TEAR_DOWN] = "TearDown", 39 [C_CONNECTED] = "Connected", 40 [C_STARTING_SYNC_S] = "StartingSyncS", 41 [C_STARTING_SYNC_T] = "StartingSyncT", 42 [C_WF_BITMAP_S] = "WFBitMapS", 43 [C_WF_BITMAP_T] = "WFBitMapT", 44 [C_WF_SYNC_UUID] = "WFSyncUUID", 45 [C_SYNC_SOURCE] = "SyncSource", 46 [C_SYNC_TARGET] = "SyncTarget", 47 [C_PAUSED_SYNC_S] = "PausedSyncS", 48 [C_PAUSED_SYNC_T] = "PausedSyncT", 49 [C_VERIFY_S] = "VerifyS", 50 [C_VERIFY_T] = "VerifyT", 51 [C_AHEAD] = "Ahead", 52 [C_BEHIND] = "Behind", 53 }; 54 55 static const char *drbd_role_s_names[] = { 56 [R_PRIMARY] = "Primary", 57 [R_SECONDARY] = "Secondary", 58 [R_UNKNOWN] = "Unknown" 59 }; 60 61 static const char *drbd_disk_s_names[] = { 62 [D_DISKLESS] = "Diskless", 63 [D_ATTACHING] = "Attaching", 64 [D_FAILED] = "Failed", 65 [D_NEGOTIATING] = "Negotiating", 66 [D_INCONSISTENT] = "Inconsistent", 67 [D_OUTDATED] = "Outdated", 68 [D_UNKNOWN] = "DUnknown", 69 [D_CONSISTENT] = "Consistent", 70 [D_UP_TO_DATE] = "UpToDate", 71 }; 72 73 static const char *drbd_state_sw_errors[] = { 74 [-SS_TWO_PRIMARIES] = "Multiple primaries not allowed by config", 75 [-SS_NO_UP_TO_DATE_DISK] = "Need access to UpToDate data", 76 [-SS_NO_LOCAL_DISK] = "Can not resync without local disk", 77 [-SS_NO_REMOTE_DISK] = "Can not resync without remote disk", 78 [-SS_CONNECTED_OUTDATES] = "Refusing to be Outdated while Connected", 79 [-SS_PRIMARY_NOP] = "Refusing to be Primary while peer is not outdated", 80 [-SS_RESYNC_RUNNING] = "Can not start OV/resync since it is already active", 81 [-SS_ALREADY_STANDALONE] = "Can not disconnect a StandAlone device", 82 [-SS_CW_FAILED_BY_PEER] = "State change was refused by peer node", 83 [-SS_IS_DISKLESS] = "Device is diskless, the requested operation requires a disk", 84 [-SS_DEVICE_IN_USE] = "Device is held open by someone", 85 [-SS_NO_NET_CONFIG] = "Have no net/connection configuration", 86 [-SS_NO_VERIFY_ALG] = "Need a verify algorithm to start online verify", 87 [-SS_NEED_CONNECTION] = "Need a connection to start verify or resync", 88 [-SS_NOT_SUPPORTED] = "Peer does not support protocol", 89 [-SS_LOWER_THAN_OUTDATED] = "Disk state is lower than outdated", 90 [-SS_IN_TRANSIENT_STATE] = "In transient state, retry after next state change", 91 [-SS_CONCURRENT_ST_CHG] = "Concurrent state changes detected and aborted", 92 [-SS_O_VOL_PEER_PRI] = "Other vol primary on peer not allowed by config", 93 }; 94 95 const char *drbd_conn_str(enum drbd_conns s) 96 { 97 /* enums are unsigned... */ 98 return s > C_BEHIND ? "TOO_LARGE" : drbd_conn_s_names[s]; 99 } 100 101 const char *drbd_role_str(enum drbd_role s) 102 { 103 return s > R_SECONDARY ? "TOO_LARGE" : drbd_role_s_names[s]; 104 } 105 106 const char *drbd_disk_str(enum drbd_disk_state s) 107 { 108 return s > D_UP_TO_DATE ? "TOO_LARGE" : drbd_disk_s_names[s]; 109 } 110 111 const char *drbd_set_st_err_str(enum drbd_state_rv err) 112 { 113 return err <= SS_AFTER_LAST_ERROR ? "TOO_SMALL" : 114 err > SS_TWO_PRIMARIES ? "TOO_LARGE" 115 : drbd_state_sw_errors[-err]; 116 } 117