summaryrefslogtreecommitdiffstats
path: root/drivers/block/drbd/drbd_strings.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/block/drbd/drbd_strings.c')
-rw-r--r--drivers/block/drbd/drbd_strings.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_strings.c b/drivers/block/drbd/drbd_strings.c
new file mode 100644
index 0000000000..0a06f744b0
--- /dev/null
+++ b/drivers/block/drbd/drbd_strings.c
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ drbd.h
+
+ This file is part of DRBD by Philipp Reisner and Lars Ellenberg.
+
+ Copyright (C) 2003-2008, LINBIT Information Technologies GmbH.
+ Copyright (C) 2003-2008, Philipp Reisner <philipp.reisner@linbit.com>.
+ Copyright (C) 2003-2008, Lars Ellenberg <lars.ellenberg@linbit.com>.
+
+
+*/
+
+#include <linux/drbd.h>
+#include "drbd_strings.h"
+
+static const char * const drbd_conn_s_names[] = {
+ [C_STANDALONE] = "StandAlone",
+ [C_DISCONNECTING] = "Disconnecting",
+ [C_UNCONNECTED] = "Unconnected",
+ [C_TIMEOUT] = "Timeout",
+ [C_BROKEN_PIPE] = "BrokenPipe",
+ [C_NETWORK_FAILURE] = "NetworkFailure",
+ [C_PROTOCOL_ERROR] = "ProtocolError",
+ [C_WF_CONNECTION] = "WFConnection",
+ [C_WF_REPORT_PARAMS] = "WFReportParams",
+ [C_TEAR_DOWN] = "TearDown",
+ [C_CONNECTED] = "Connected",
+ [C_STARTING_SYNC_S] = "StartingSyncS",
+ [C_STARTING_SYNC_T] = "StartingSyncT",
+ [C_WF_BITMAP_S] = "WFBitMapS",
+ [C_WF_BITMAP_T] = "WFBitMapT",
+ [C_WF_SYNC_UUID] = "WFSyncUUID",
+ [C_SYNC_SOURCE] = "SyncSource",
+ [C_SYNC_TARGET] = "SyncTarget",
+ [C_PAUSED_SYNC_S] = "PausedSyncS",
+ [C_PAUSED_SYNC_T] = "PausedSyncT",
+ [C_VERIFY_S] = "VerifyS",
+ [C_VERIFY_T] = "VerifyT",
+ [C_AHEAD] = "Ahead",
+ [C_BEHIND] = "Behind",
+};
+
+static const char * const drbd_role_s_names[] = {
+ [R_PRIMARY] = "Primary",
+ [R_SECONDARY] = "Secondary",
+ [R_UNKNOWN] = "Unknown"
+};
+
+static const char * const drbd_disk_s_names[] = {
+ [D_DISKLESS] = "Diskless",
+ [D_ATTACHING] = "Attaching",
+ [D_FAILED] = "Failed",
+ [D_NEGOTIATING] = "Negotiating",
+ [D_INCONSISTENT] = "Inconsistent",
+ [D_OUTDATED] = "Outdated",
+ [D_UNKNOWN] = "DUnknown",
+ [D_CONSISTENT] = "Consistent",
+ [D_UP_TO_DATE] = "UpToDate",
+};
+
+static const char * const drbd_state_sw_errors[] = {
+ [-SS_TWO_PRIMARIES] = "Multiple primaries not allowed by config",
+ [-SS_NO_UP_TO_DATE_DISK] = "Need access to UpToDate data",
+ [-SS_NO_LOCAL_DISK] = "Can not resync without local disk",
+ [-SS_NO_REMOTE_DISK] = "Can not resync without remote disk",
+ [-SS_CONNECTED_OUTDATES] = "Refusing to be Outdated while Connected",
+ [-SS_PRIMARY_NOP] = "Refusing to be Primary while peer is not outdated",
+ [-SS_RESYNC_RUNNING] = "Can not start OV/resync since it is already active",
+ [-SS_ALREADY_STANDALONE] = "Can not disconnect a StandAlone device",
+ [-SS_CW_FAILED_BY_PEER] = "State change was refused by peer node",
+ [-SS_IS_DISKLESS] = "Device is diskless, the requested operation requires a disk",
+ [-SS_DEVICE_IN_USE] = "Device is held open by someone",
+ [-SS_NO_NET_CONFIG] = "Have no net/connection configuration",
+ [-SS_NO_VERIFY_ALG] = "Need a verify algorithm to start online verify",
+ [-SS_NEED_CONNECTION] = "Need a connection to start verify or resync",
+ [-SS_NOT_SUPPORTED] = "Peer does not support protocol",
+ [-SS_LOWER_THAN_OUTDATED] = "Disk state is lower than outdated",
+ [-SS_IN_TRANSIENT_STATE] = "In transient state, retry after next state change",
+ [-SS_CONCURRENT_ST_CHG] = "Concurrent state changes detected and aborted",
+ [-SS_OUTDATE_WO_CONN] = "Need a connection for a graceful disconnect/outdate peer",
+ [-SS_O_VOL_PEER_PRI] = "Other vol primary on peer not allowed by config",
+};
+
+const char *drbd_conn_str(enum drbd_conns s)
+{
+ /* enums are unsigned... */
+ return s > C_BEHIND ? "TOO_LARGE" : drbd_conn_s_names[s];
+}
+
+const char *drbd_role_str(enum drbd_role s)
+{
+ return s > R_SECONDARY ? "TOO_LARGE" : drbd_role_s_names[s];
+}
+
+const char *drbd_disk_str(enum drbd_disk_state s)
+{
+ return s > D_UP_TO_DATE ? "TOO_LARGE" : drbd_disk_s_names[s];
+}
+
+const char *drbd_set_st_err_str(enum drbd_state_rv err)
+{
+ return err <= SS_AFTER_LAST_ERROR ? "TOO_SMALL" :
+ err > SS_TWO_PRIMARIES ? "TOO_LARGE"
+ : drbd_state_sw_errors[-err];
+}