/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2006 Cluster File Systems, Inc.
- * Author: Eric Barton <eric@bartonsoftware.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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.
+ * 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.
*
- * 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.
+ * 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
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lnet/klnds/o2iblnd/o2iblnd_modparams.c
+ *
+ * Author: Eric Barton <eric@bartonsoftware.com>
*/
#include "o2iblnd.h"
CFS_MODULE_PARM(peer_credits, "i", int, 0444,
"# concurrent sends to 1 peer");
+static int peer_credits_hiw = 0;
+CFS_MODULE_PARM(peer_credits_hiw, "i", int, 0444,
+ "when eagerly to return credits");
+
+static int peer_buffer_credits = 0;
+CFS_MODULE_PARM(peer_buffer_credits, "i", int, 0444,
+ "# per-peer router buffer credits");
+
+static int peer_timeout = 180;
+CFS_MODULE_PARM(peer_timeout, "i", int, 0444,
+ "Seconds without aliveness news to declare peer dead (<=0 to disable)");
+
static char *ipif_name = "ib0";
CFS_MODULE_PARM(ipif_name, "s", charp, 0444,
"IPoIB interface name");
CFS_MODULE_PARM(ib_mtu, "i", int, 0444,
"IB MTU 256/512/1024/2048/4096");
-#if IBLND_MAP_ON_DEMAND
-static int concurrent_sends = IBLND_RX_MSGS;
-#else
-static int concurrent_sends = IBLND_MSG_QUEUE_SIZE;
-#endif
+static int concurrent_sends = 0;
CFS_MODULE_PARM(concurrent_sends, "i", int, 0444,
"send work-queue sizing");
-#if IBLND_MAP_ON_DEMAND
+static int map_on_demand = 0;
+CFS_MODULE_PARM(map_on_demand, "i", int, 0444,
+ "map on demand");
+
static int fmr_pool_size = 512;
CFS_MODULE_PARM(fmr_pool_size, "i", int, 0444,
- "size of the fmr pool (>= ntx)");
+ "size of the fmr pool (>= ntx / 4)");
static int fmr_flush_trigger = 384;
CFS_MODULE_PARM(fmr_flush_trigger, "i", int, 0444,
static int fmr_cache = 1;
CFS_MODULE_PARM(fmr_cache, "i", int, 0444,
"non-zero to enable FMR caching");
-#endif
+
+static int pmr_pool_size = 512;
+CFS_MODULE_PARM(pmr_pool_size, "i", int, 0444,
+ "size of the MR cache pmr pool");
kib_tunables_t kiblnd_tunables = {
.kib_service = &service,
.kib_keepalive = &keepalive,
.kib_ntx = &ntx,
.kib_credits = &credits,
- .kib_peercredits = &peer_credits,
+ .kib_peertxcredits = &peer_credits,
+ .kib_peercredits_hiw = &peer_credits_hiw,
+ .kib_peerrtrcredits = &peer_buffer_credits,
+ .kib_peertimeout = &peer_timeout,
.kib_default_ipif = &ipif_name,
.kib_retry_count = &retry_count,
.kib_rnr_retry_count = &rnr_retry_count,
.kib_concurrent_sends = &concurrent_sends,
.kib_ib_mtu = &ib_mtu,
-#if IBLND_MAP_ON_DEMAND
+ .kib_map_on_demand = &map_on_demand,
.kib_fmr_pool_size = &fmr_pool_size,
.kib_fmr_flush_trigger = &fmr_flush_trigger,
.kib_fmr_cache = &fmr_cache,
-#endif
+ .kib_pmr_pool_size = &pmr_pool_size,
};
-#if CONFIG_SYSCTL && !CFS_SYSFS_MODULE_PARM
+#if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM
static char ipif_basename_space[32];
+#ifndef HAVE_SYSCTL_UNNUMBERED
+
+enum {
+ O2IBLND_SERVICE = 1,
+ O2IBLND_CKSUM,
+ O2IBLND_TIMEOUT,
+ O2IBLND_NTX,
+ O2IBLND_CREDITS,
+ O2IBLND_PEER_TXCREDITS,
+ O2IBLND_PEER_CREDITS_HIW,
+ O2IBLND_PEER_RTRCREDITS,
+ O2IBLND_PEER_TIMEOUT,
+ O2IBLND_IPIF_BASENAME,
+ O2IBLND_RETRY_COUNT,
+ O2IBLND_RNR_RETRY_COUNT,
+ O2IBLND_KEEPALIVE,
+ O2IBLND_CONCURRENT_SENDS,
+ O2IBLND_IB_MTU,
+ O2IBLND_MAP_ON_DEMAND,
+ O2IBLND_FMR_POOL_SIZE,
+ O2IBLND_FMR_FLUSH_TRIGGER,
+ O2IBLND_FMR_CACHE,
+ O2IBLND_PMR_POOL_SIZE
+};
+#else
+
+#define O2IBLND_SERVICE CTL_UNNUMBERED
+#define O2IBLND_CKSUM CTL_UNNUMBERED
+#define O2IBLND_TIMEOUT CTL_UNNUMBERED
+#define O2IBLND_NTX CTL_UNNUMBERED
+#define O2IBLND_CREDITS CTL_UNNUMBERED
+#define O2IBLND_PEER_TXCREDITS CTL_UNNUMBERED
+#define O2IBLND_PEER_CREDITS_HIW CTL_UNNUMBERED
+#define O2IBLND_PEER_RTRCREDITS CTL_UNNUMBERED
+#define O2IBLND_PEER_TIMEOUT CTL_UNNUMBERED
+#define O2IBLND_IPIF_BASENAME CTL_UNNUMBERED
+#define O2IBLND_RETRY_COUNT CTL_UNNUMBERED
+#define O2IBLND_RNR_RETRY_COUNT CTL_UNNUMBERED
+#define O2IBLND_KEEPALIVE CTL_UNNUMBERED
+#define O2IBLND_CONCURRENT_SENDS CTL_UNNUMBERED
+#define O2IBLND_IB_MTU CTL_UNNUMBERED
+#define O2IBLND_MAP_ON_DEMAND CTL_UNNUMBERED
+#define O2IBLND_FMR_POOL_SIZE CTL_UNNUMBERED
+#define O2IBLND_FMR_FLUSH_TRIGGER CTL_UNNUMBERED
+#define O2IBLND_FMR_CACHE CTL_UNNUMBERED
+#define O2IBLND_PMR_POOL_SIZE CTL_UNNUMBERED
+
+#endif
+
static cfs_sysctl_table_t kiblnd_ctl_table[] = {
{
- .ctl_name = 1,
+ .ctl_name = O2IBLND_SERVICE,
.procname = "service",
.data = &service,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 2,
+ .ctl_name = O2IBLND_CKSUM,
.procname = "cksum",
.data = &cksum,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 3,
+ .ctl_name = O2IBLND_TIMEOUT,
.procname = "timeout",
.data = &timeout,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 4,
+ .ctl_name = O2IBLND_NTX,
.procname = "ntx",
.data = &ntx,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 5,
+ .ctl_name = O2IBLND_CREDITS,
.procname = "credits",
.data = &credits,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 6,
+ .ctl_name = O2IBLND_PEER_TXCREDITS,
.procname = "peer_credits",
.data = &peer_credits,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 7,
+ .ctl_name = O2IBLND_PEER_CREDITS_HIW,
+ .procname = "peer_credits_hiw",
+ .data = &peer_credits_hiw,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ .ctl_name = O2IBLND_PEER_RTRCREDITS,
+ .procname = "peer_buffer_credits",
+ .data = &peer_buffer_credits,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ .ctl_name = O2IBLND_PEER_TIMEOUT,
+ .procname = "peer_timeout",
+ .data = &peer_timeout,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ .ctl_name = O2IBLND_IPIF_BASENAME,
.procname = "ipif_name",
.data = ipif_basename_space,
.maxlen = sizeof(ipif_basename_space),
.proc_handler = &proc_dostring
},
{
- .ctl_name = 8,
+ .ctl_name = O2IBLND_RETRY_COUNT,
.procname = "retry_count",
.data = &retry_count,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 9,
+ .ctl_name = O2IBLND_RNR_RETRY_COUNT,
.procname = "rnr_retry_count",
.data = &rnr_retry_count,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 10,
+ .ctl_name = O2IBLND_KEEPALIVE,
.procname = "keepalive",
.data = &keepalive,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 11,
+ .ctl_name = O2IBLND_CONCURRENT_SENDS,
.procname = "concurrent_sends",
.data = &concurrent_sends,
.maxlen = sizeof(int),
- .mode = 0644,
+ .mode = 0444,
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 12,
+ .ctl_name = O2IBLND_IB_MTU,
.procname = "ib_mtu",
.data = &ib_mtu,
.maxlen = sizeof(int),
.mode = 0444,
.proc_handler = &proc_dointvec
},
-#if IBLND_MAP_ON_DEMAND
{
- .ctl_name = 13,
+ .ctl_name = O2IBLND_MAP_ON_DEMAND,
+ .procname = "map_on_demand",
+ .data = &map_on_demand,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+
+ {
+ .ctl_name = O2IBLND_FMR_POOL_SIZE,
.procname = "fmr_pool_size",
.data = &fmr_pool_size,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 14,
+ .ctl_name = O2IBLND_FMR_FLUSH_TRIGGER,
.procname = "fmr_flush_trigger",
.data = &fmr_flush_trigger,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 15,
+ .ctl_name = O2IBLND_FMR_CACHE,
.procname = "fmr_cache",
.data = &fmr_cache,
.maxlen = sizeof(int),
.mode = 0444,
.proc_handler = &proc_dointvec
},
-#endif
+ {
+ .ctl_name = O2IBLND_PMR_POOL_SIZE,
+ .procname = "pmr_pool_size",
+ .data = &pmr_pool_size,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
{0}
};
static cfs_sysctl_table_t kiblnd_top_ctl_table[] = {
{
- .ctl_name = 203,
+ .ctl_name = CTL_O2IBLND,
.procname = "o2iblnd",
.data = NULL,
.maxlen = 0,
int
kiblnd_tunables_init (void)
{
- kiblnd_sysctl_init();
+ if (kiblnd_translate_mtu(*kiblnd_tunables.kib_ib_mtu) < 0) {
+ CERROR("Invalid ib_mtu %d, expected 256/512/1024/2048/4096\n",
+ *kiblnd_tunables.kib_ib_mtu);
+ return -EINVAL;
+ }
+
+ if (*kiblnd_tunables.kib_peertxcredits < IBLND_CREDITS_DEFAULT)
+ *kiblnd_tunables.kib_peertxcredits = IBLND_CREDITS_DEFAULT;
+
+ if (*kiblnd_tunables.kib_peertxcredits > IBLND_CREDITS_MAX)
+ *kiblnd_tunables.kib_peertxcredits = IBLND_CREDITS_MAX;
+
+ if (*kiblnd_tunables.kib_peertxcredits > *kiblnd_tunables.kib_credits)
+ *kiblnd_tunables.kib_peertxcredits = *kiblnd_tunables.kib_credits;
+
+ if (*kiblnd_tunables.kib_peercredits_hiw < *kiblnd_tunables.kib_peertxcredits / 2)
+ *kiblnd_tunables.kib_peercredits_hiw = *kiblnd_tunables.kib_peertxcredits / 2;
+
+ if (*kiblnd_tunables.kib_peercredits_hiw >= *kiblnd_tunables.kib_peertxcredits)
+ *kiblnd_tunables.kib_peercredits_hiw = *kiblnd_tunables.kib_peertxcredits - 1;
+
+ if (*kiblnd_tunables.kib_map_on_demand < 0 ||
+ *kiblnd_tunables.kib_map_on_demand > IBLND_MAX_RDMA_FRAGS)
+ *kiblnd_tunables.kib_map_on_demand = 0; /* disable map-on-demand */
- if (*kiblnd_tunables.kib_concurrent_sends > IBLND_RX_MSGS)
- *kiblnd_tunables.kib_concurrent_sends = IBLND_RX_MSGS;
- if (*kiblnd_tunables.kib_concurrent_sends < IBLND_MSG_QUEUE_SIZE)
- *kiblnd_tunables.kib_concurrent_sends = IBLND_MSG_QUEUE_SIZE;
+ if (*kiblnd_tunables.kib_map_on_demand == 1)
+ *kiblnd_tunables.kib_map_on_demand = 2; /* don't make sense to create map if only one fragment */
+ if (*kiblnd_tunables.kib_concurrent_sends == 0) {
+ if (*kiblnd_tunables.kib_map_on_demand > 0 &&
+ *kiblnd_tunables.kib_map_on_demand <= IBLND_MAX_RDMA_FRAGS / 8)
+ *kiblnd_tunables.kib_concurrent_sends = (*kiblnd_tunables.kib_peertxcredits) * 2;
+ else
+ *kiblnd_tunables.kib_concurrent_sends = (*kiblnd_tunables.kib_peertxcredits);
+ }
+
+ if (*kiblnd_tunables.kib_concurrent_sends > *kiblnd_tunables.kib_peertxcredits * 2)
+ *kiblnd_tunables.kib_concurrent_sends = *kiblnd_tunables.kib_peertxcredits * 2;
+
+ if (*kiblnd_tunables.kib_concurrent_sends < *kiblnd_tunables.kib_peertxcredits / 2)
+ *kiblnd_tunables.kib_concurrent_sends = *kiblnd_tunables.kib_peertxcredits / 2;
+
+ if (*kiblnd_tunables.kib_concurrent_sends < *kiblnd_tunables.kib_peertxcredits) {
+ CWARN("Concurrent sends %d is lower than message queue size: %d, "
+ "performance may drop slightly.\n",
+ *kiblnd_tunables.kib_concurrent_sends, *kiblnd_tunables.kib_peertxcredits);
+ }
+
+ kiblnd_sysctl_init();
return 0;
}
{
kiblnd_sysctl_fini();
}
-
-
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff