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+/*
+ * mdadm - manage Linux "md" devices aka RAID arrays.
+ *
+ * Copyright (C) 2011 Neil Brown <neilb@suse.de>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Neil Brown
+ * Email: <neilb@suse.de>
+ */
+
+#include "mdadm.h"
+
+/* name/number mappings */
+
+mapping_t r5layout[] = {
+ { "left-asymmetric", ALGORITHM_LEFT_ASYMMETRIC},
+ { "right-asymmetric", ALGORITHM_RIGHT_ASYMMETRIC},
+ { "left-symmetric", ALGORITHM_LEFT_SYMMETRIC},
+ { "right-symmetric", ALGORITHM_RIGHT_SYMMETRIC},
+
+ { "default", ALGORITHM_LEFT_SYMMETRIC},
+ { "la", ALGORITHM_LEFT_ASYMMETRIC},
+ { "ra", ALGORITHM_RIGHT_ASYMMETRIC},
+ { "ls", ALGORITHM_LEFT_SYMMETRIC},
+ { "rs", ALGORITHM_RIGHT_SYMMETRIC},
+
+ { "parity-first", ALGORITHM_PARITY_0},
+ { "parity-last", ALGORITHM_PARITY_N},
+ { "ddf-zero-restart", ALGORITHM_RIGHT_ASYMMETRIC},
+ { "ddf-N-restart", ALGORITHM_LEFT_ASYMMETRIC},
+ { "ddf-N-continue", ALGORITHM_LEFT_SYMMETRIC},
+
+ { NULL, UnSet }
+};
+mapping_t r6layout[] = {
+ { "left-asymmetric", ALGORITHM_LEFT_ASYMMETRIC},
+ { "right-asymmetric", ALGORITHM_RIGHT_ASYMMETRIC},
+ { "left-symmetric", ALGORITHM_LEFT_SYMMETRIC},
+ { "right-symmetric", ALGORITHM_RIGHT_SYMMETRIC},
+
+ { "default", ALGORITHM_LEFT_SYMMETRIC},
+ { "la", ALGORITHM_LEFT_ASYMMETRIC},
+ { "ra", ALGORITHM_RIGHT_ASYMMETRIC},
+ { "ls", ALGORITHM_LEFT_SYMMETRIC},
+ { "rs", ALGORITHM_RIGHT_SYMMETRIC},
+
+ { "parity-first", ALGORITHM_PARITY_0},
+ { "parity-last", ALGORITHM_PARITY_N},
+ { "ddf-zero-restart", ALGORITHM_ROTATING_ZERO_RESTART},
+ { "ddf-N-restart", ALGORITHM_ROTATING_N_RESTART},
+ { "ddf-N-continue", ALGORITHM_ROTATING_N_CONTINUE},
+
+ { "left-asymmetric-6", ALGORITHM_LEFT_ASYMMETRIC_6},
+ { "right-asymmetric-6", ALGORITHM_RIGHT_ASYMMETRIC_6},
+ { "left-symmetric-6", ALGORITHM_LEFT_SYMMETRIC_6},
+ { "right-symmetric-6", ALGORITHM_RIGHT_SYMMETRIC_6},
+ { "parity-first-6", ALGORITHM_PARITY_0_6},
+
+ { NULL, UnSet }
+};
+
+/* raid0 layout is only needed because of a bug in 3.14 which changed
+ * the effective layout of raid0 arrays with varying device sizes.
+ */
+mapping_t r0layout[] = {
+ { "original", RAID0_ORIG_LAYOUT},
+ { "alternate", RAID0_ALT_MULTIZONE_LAYOUT},
+ { "1", 1}, /* aka ORIG */
+ { "2", 2}, /* aka ALT */
+ { "dangerous", 0},
+ { NULL, UnSet},
+};
+
+mapping_t pers[] = {
+ { "linear", LEVEL_LINEAR},
+ { "raid0", 0},
+ { "0", 0},
+ { "stripe", 0},
+ { "raid1", 1},
+ { "1", 1},
+ { "mirror", 1},
+ { "raid4", 4},
+ { "4", 4},
+ { "raid5", 5},
+ { "5", 5},
+ { "multipath", LEVEL_MULTIPATH},
+ { "mp", LEVEL_MULTIPATH},
+ { "raid6", 6},
+ { "6", 6},
+ { "raid10", 10},
+ { "10", 10},
+ { "faulty", LEVEL_FAULTY},
+ { "container", LEVEL_CONTAINER},
+ { NULL, UnSet }
+};
+
+mapping_t modes[] = {
+ { "assemble", ASSEMBLE},
+ { "build", BUILD},
+ { "create", CREATE},
+ { "manage", MANAGE},
+ { "misc", MISC},
+ { "monitor", MONITOR},
+ { "grow", GROW},
+ { "incremental", INCREMENTAL},
+ { "auto-detect", AUTODETECT},
+ { NULL, UnSet }
+};
+
+mapping_t faultylayout[] = {
+ { "write-transient", WriteTransient },
+ { "wt", WriteTransient },
+ { "read-transient", ReadTransient },
+ { "rt", ReadTransient },
+ { "write-persistent", WritePersistent },
+ { "wp", WritePersistent },
+ { "read-persistent", ReadPersistent },
+ { "rp", ReadPersistent },
+ { "write-all", WriteAll },
+ { "wa", WriteAll },
+ { "read-fixable", ReadFixable },
+ { "rf", ReadFixable },
+
+ { "clear", ClearErrors},
+ { "flush", ClearFaults},
+ { "none", ClearErrors},
+ { "default", ClearErrors},
+ { NULL, UnSet }
+};
+
+mapping_t consistency_policies[] = {
+ { "unknown", CONSISTENCY_POLICY_UNKNOWN},
+ { "none", CONSISTENCY_POLICY_NONE},
+ { "resync", CONSISTENCY_POLICY_RESYNC},
+ { "bitmap", CONSISTENCY_POLICY_BITMAP},
+ { "journal", CONSISTENCY_POLICY_JOURNAL},
+ { "ppl", CONSISTENCY_POLICY_PPL},
+ { NULL, CONSISTENCY_POLICY_UNKNOWN }
+};
+
+mapping_t sysfs_array_states[] = {
+ { "active-idle", ARRAY_ACTIVE_IDLE },
+ { "active", ARRAY_ACTIVE },
+ { "clear", ARRAY_CLEAR },
+ { "inactive", ARRAY_INACTIVE },
+ { "suspended", ARRAY_SUSPENDED },
+ { "readonly", ARRAY_READONLY },
+ { "read-auto", ARRAY_READ_AUTO },
+ { "clean", ARRAY_CLEAN },
+ { "write-pending", ARRAY_WRITE_PENDING },
+ { "broken", ARRAY_BROKEN },
+ { NULL, ARRAY_UNKNOWN_STATE }
+};
+
+char *map_num(mapping_t *map, int num)
+{
+ while (map->name) {
+ if (map->num == num)
+ return map->name;
+ map++;
+ }
+ return NULL;
+}
+
+int map_name(mapping_t *map, char *name)
+{
+ while (map->name && strcmp(map->name, name) != 0)
+ map++;
+
+ return map->num;
+}