+++ /dev/null
-/*
- * GPL HEADER START
- *
- * 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
- *
- * 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.
- *
- * 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.
- *
- * lnet/klnds/mxlnd/mxlnd.c
- *
- * Author: Eric Barton <eric@bartonsoftware.com>
- * Author: Scott Atchley <atchley at myri.com>
- */
-
-#include "mxlnd.h"
-
-static int n_waitd = MXLND_N_SCHED;
-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,
- "Unused - was maximum number of peers that may connect");
-
-static int cksum = MXLND_CKSUM;
-CFS_MODULE_PARM(cksum, "i", int, 0644,
- "set non-zero to enable message (not data payload) checksums");
-
-static int ntx = MXLND_NTX;
-CFS_MODULE_PARM(ntx, "i", int, 0444,
- "# of total tx message descriptors");
-
-/* this duplicates ntx */
-static int credits = MXLND_NTX;
-CFS_MODULE_PARM(credits, "i", int, 0444,
- "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,
- "index value of the Myrinet board (NIC)");
-
-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,
- "Unused - was IP-to-hostname resolution file");
-
-kmx_tunables_t kmxlnd_tunables = {
- .kmx_n_waitd = &n_waitd,
- .kmx_max_peers = &max_peers,
- .kmx_cksum = &cksum,
- .kmx_ntx = &ntx,
- .kmx_credits = &credits,
- .kmx_peercredits = &peercredits,
- .kmx_board = &board,
- .kmx_ep_id = &ep_id,
- .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