4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2015, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/include/lustre_param.h
34 * User-settable parameter keys
36 * Author: Nathan Rutman <nathan@clusterfs.com>
39 #ifndef _LUSTRE_PARAM_H
40 #define _LUSTRE_PARAM_H
42 /** \defgroup param param
47 /* For interoperability */
48 struct cfg_interop_param {
54 int class_find_param(char *buf, char *key, char **valp);
55 int class_parse_nid(char *buf, lnet_nid_t *nid, char **endh);
56 int class_parse_nid_quiet(char *buf, lnet_nid_t *nid, char **endh);
58 /****************** User-settable parameter keys *********************/
60 tunefs.lustre --param="failover.node=192.168.0.13@tcp0" /dev/sda
61 lctl conf_param testfs-OST0000 failover.node=3@elan,192.168.0.3@tcp0
62 ... testfs-MDT0000.lov.stripesize=4M
63 ... testfs-OST0000.ost.client_cache_seconds=15
64 ... testfs.sys.timeout=<secs>
65 ... testfs.llite.max_read_ahead_mb=16
68 /* System global or special params not handled in obd's proc
69 * See mgs_write_log_sys()
71 #define PARAM_TIMEOUT "timeout=" /* global */
72 #define PARAM_LDLM_TIMEOUT "ldlm_timeout=" /* global */
73 #define PARAM_AT_MIN "at_min=" /* global */
74 #define PARAM_AT_MAX "at_max=" /* global */
75 #define PARAM_AT_EXTRA "at_extra=" /* global */
76 #define PARAM_AT_EARLY_MARGIN "at_early_margin=" /* global */
77 #define PARAM_AT_HISTORY "at_history=" /* global */
78 #define PARAM_JOBID_VAR "jobid_var=" /* global */
79 #define PARAM_MGSNODE "mgsnode=" /* only at mounttime */
80 #define PARAM_FAILNODE "failover.node=" /* add failover nid */
81 #define PARAM_FAILMODE "failover.mode=" /* initial mount only */
82 #define PARAM_ACTIVE "active=" /* activate/deactivate */
83 #define PARAM_NETWORK "network=" /* bind on nid */
84 #define PARAM_ID_UPCALL "identity_upcall=" /* identity upcall */
86 /* Prefixes for parameters handled by obd's proc methods (XXX_process_config) */
87 #define PARAM_OST "ost."
88 #define PARAM_OSD "osd."
89 #define PARAM_OSC "osc."
90 #define PARAM_MDT "mdt."
91 #define PARAM_MDD "mdd."
92 #define PARAM_MDC "mdc."
93 #define PARAM_LLITE "llite."
94 #define PARAM_LOV "lov."
95 #define PARAM_LOD "lod."
96 #define PARAM_OSP "osp."
97 #define PARAM_SYS "sys." /* global */
98 #define PARAM_SRPC "srpc."
99 #define PARAM_SRPC_FLVR "srpc.flavor."
100 #define PARAM_SRPC_UDESC "srpc.udesc.cli2mdt"
101 #define PARAM_SEC "security."
102 #define PARAM_QUOTA "quota." /* global */
106 #endif /* _LUSTRE_PARAM_H */