-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2004 Cluster File Systems, Inc.
- * Author: Eric Barton <eric@bartonsoftware.com>
- * Copyright (C) 2006 Myricom, Inc.
- * Author: Scott Atchley <atchley at myri.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * This file is part of Lustre, http://www.lustre.org.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (C) 2006 Myricom, Inc.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*
- * Lustre 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.
+ * lnet/klnds/mxlnd/mxlnd.c
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Author: Eric Barton <eric@bartonsoftware.com>
+ * Author: Scott Atchley <atchley at myri.com>
*/
#include "mxlnd.h"
CFS_MODULE_PARM(n_waitd, "i", int, 0444,
"# of completion daemons");
+/* this was used to allocate global rxs which are no londer used */
static int max_peers = MXLND_MAX_PEERS;
CFS_MODULE_PARM(max_peers, "i", int, 0444,
- "maximum number of peers that may connect");
+ "Unused - was maximum number of peers that may connect");
static int cksum = MXLND_CKSUM;
CFS_MODULE_PARM(cksum, "i", int, 0644,
CFS_MODULE_PARM(ntx, "i", int, 0444,
"# of total tx message descriptors");
-static int credits = MXLND_MSG_QUEUE_DEPTH;
+/* this duplicates ntx */
+static int credits = MXLND_NTX;
CFS_MODULE_PARM(credits, "i", int, 0444,
- "# concurrent sends");
+ "Unused - was # concurrent sends to all peers");
+
+static int peercredits = MXLND_MSG_QUEUE_DEPTH;
+CFS_MODULE_PARM(peercredits, "i", int, 0444,
+ "# concurrent sends to one peer");
static int board = MXLND_MX_BOARD;
CFS_MODULE_PARM(board, "i", int, 0444,
static int ep_id = MXLND_MX_EP_ID;
CFS_MODULE_PARM(ep_id, "i", int, 0444, "MX endpoint ID");
+static char *ipif_name = "myri0";
+CFS_MODULE_PARM(ipif_name, "s", charp, 0444,
+ "IPoMX interface name");
+
static int polling = MXLND_POLLING;
CFS_MODULE_PARM(polling, "i", int, 0444,
"Use 0 to block (wait). A value > 0 will poll that many times before blocking");
static char *hosts = NULL;
CFS_MODULE_PARM(hosts, "s", charp, 0444,
- "IP-to-hostname resolution file");
+ "Unused - was IP-to-hostname resolution file");
kmx_tunables_t kmxlnd_tunables = {
.kmx_n_waitd = &n_waitd,
.kmx_cksum = &cksum,
.kmx_ntx = &ntx,
.kmx_credits = &credits,
+ .kmx_peercredits = &peercredits,
.kmx_board = &board,
.kmx_ep_id = &ep_id,
- .kmx_polling = &polling,
- .kmx_hosts = &hosts
+ .kmx_default_ipif = &ipif_name,
+ .kmx_polling = &polling
+};
+
+#if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM
+
+static char ipif_basename_space[32];
+
+static struct ctl_table kmxlnd_ctl_table[] = {
+ {
+ INIT_CTL_NAME
+ .procname = "n_waitd",
+ .data = &n_waitd,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "max_peers",
+ .data = &max_peers,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "cksum",
+ .data = &cksum,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "ntx",
+ .data = &ntx,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "credits",
+ .data = &credits,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "peercredits",
+ .data = &peercredits,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "board",
+ .data = &board,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "ep_id",
+ .data = &ep_id,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ .procname = "ipif_name",
+ .data = ipif_basename_space,
+ .maxlen = sizeof(ipif_basename_space),
+ .mode = 0444,
+ .proc_handler = &proc_dostring
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "polling",
+ .data = &polling,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ { 0 }
};
+
+static struct ctl_table kmxlnd_top_ctl_table[] = {
+ {
+ INIT_CTL_NAME
+ .procname = "mxlnd",
+ .data = NULL,
+ .maxlen = 0,
+ .mode = 0555,
+ .child = kmxlnd_ctl_table
+ },
+ { 0 }
+};
+
+void
+kmxlnd_initstrtunable(char *space, char *str, int size)
+{
+ strncpy(space, str, size);
+ space[size-1] = 0;
+}
+
+void
+kmxlnd_sysctl_init (void)
+{
+ kmxlnd_initstrtunable(ipif_basename_space, ipif_name,
+ sizeof(ipif_basename_space));
+
+ kmxlnd_tunables.kib_sysctl =
+ register_sysctl_table(kmxlnd_top_ctl_table);
+
+ if (kmxlnd_tunables.kib_sysctl == NULL)
+ CWARN("Can't setup /proc tunables\n");
+}
+
+void
+kmxlnd_sysctl_fini (void)
+{
+ if (kmxlnd_tunables.kib_sysctl != NULL)
+ unregister_sysctl_table(kmxlnd_tunables.kib_sysctl);
+}
+
+#else
+
+void
+kmxlnd_sysctl_init (void)
+{
+}
+
+void
+kmxlnd_sysctl_fini (void)
+{
+}
+
+#endif
+
+int
+kmxlnd_tunables_init (void)
+{
+ kmxlnd_sysctl_init();
+ return 0;
+}
+
+void
+kmxlnd_tunables_fini (void)
+{
+ kmxlnd_sysctl_fini();
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff