1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
32 * Copyright (C) 2006 Myricom, Inc.
35 * This file is part of Lustre, http://www.lustre.org/
36 * Lustre is a trademark of Sun Microsystems, Inc.
38 * lnet/klnds/mxlnd/mxlnd.c
40 * Author: Eric Barton <eric@bartonsoftware.com>
41 * Author: Scott Atchley <atchley at myri.com>
46 static int n_waitd = MXLND_N_SCHED;
47 CFS_MODULE_PARM(n_waitd, "i", int, 0444,
48 "# of completion daemons");
50 static int max_peers = MXLND_MAX_PEERS;
51 CFS_MODULE_PARM(max_peers, "i", int, 0444,
52 "maximum number of peers that may connect");
54 static int cksum = MXLND_CKSUM;
55 CFS_MODULE_PARM(cksum, "i", int, 0644,
56 "set non-zero to enable message (not data payload) checksums");
58 static int ntx = MXLND_NTX;
59 CFS_MODULE_PARM(ntx, "i", int, 0444,
60 "# of total tx message descriptors");
62 static int credits = MXLND_MSG_QUEUE_DEPTH;
63 CFS_MODULE_PARM(credits, "i", int, 0444,
64 "# concurrent sends");
66 static int board = MXLND_MX_BOARD;
67 CFS_MODULE_PARM(board, "i", int, 0444,
68 "index value of the Myrinet board (NIC)");
70 static int ep_id = MXLND_MX_EP_ID;
71 CFS_MODULE_PARM(ep_id, "i", int, 0444, "MX endpoint ID");
73 static int polling = MXLND_POLLING;
74 CFS_MODULE_PARM(polling, "i", int, 0444,
75 "Use 0 to block (wait). A value > 0 will poll that many times before blocking");
77 static char *hosts = NULL;
78 CFS_MODULE_PARM(hosts, "s", charp, 0444,
79 "IP-to-hostname resolution file");
81 kmx_tunables_t kmxlnd_tunables = {
82 .kmx_n_waitd = &n_waitd,
83 .kmx_max_peers = &max_peers,
86 .kmx_credits = &credits,
89 .kmx_polling = &polling,