/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * * 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. */ /* * This file is part of Lustre, http://www.lustre.org/ * Lustre is a trademark of Sun Microsystems, Inc. * * lnet/klnds/iiblnd/iiblnd_modparams.c * * Author: Eric Barton */ #include "iiblnd.h" static char *ipif_basename = "ib"; CFS_MODULE_PARM(ipif_basename, "s", charp, 0444, "IPoIB interface base name"); static char *service_name = "iiblnd"; CFS_MODULE_PARM(service_name, "s", charp, 0444, "IB service name"); static int service_number = 0x11b9a2; CFS_MODULE_PARM(service_number, "i", int, 0444, "IB service number"); static int min_reconnect_interval = 1; CFS_MODULE_PARM(min_reconnect_interval, "i", int, 0644, "minimum connection retry interval (seconds)"); static int max_reconnect_interval = 60; CFS_MODULE_PARM(max_reconnect_interval, "i", int, 0644, "maximum connection retry interval (seconds)"); static int concurrent_peers = 1152; CFS_MODULE_PARM(concurrent_peers, "i", int, 0444, "maximum number of peers that may connect"); static int cksum = 0; CFS_MODULE_PARM(cksum, "i", int, 0644, "set non-zero to enable message (not RDMA) checksums"); static int timeout = 50; CFS_MODULE_PARM(timeout, "i", int, 0644, "timeout (seconds)"); static int ntx = 256; CFS_MODULE_PARM(ntx, "i", int, 0444, "# of message descriptors"); static int credits = 128; CFS_MODULE_PARM(credits, "i", int, 0444, "# concurrent sends"); static int peer_credits = 8; CFS_MODULE_PARM(peer_credits, "i", int, 0444, "# concurrent sends to 1 peer"); static int sd_retries = 8; CFS_MODULE_PARM(sd_retries, "i", int, 0444, "# times to retry SD queries"); static int keepalive = 100; CFS_MODULE_PARM(keepalive, "i", int, 0644, "Idle time in seconds before sending a keepalive"); static int concurrent_sends = IBNAL_RX_MSGS; CFS_MODULE_PARM(concurrent_sends, "i", int, 0644, "Send work queue sizing"); kib_tunables_t kibnal_tunables = { .kib_ipif_basename = &ipif_basename, .kib_service_name = &service_name, .kib_service_number = &service_number, .kib_min_reconnect_interval = &min_reconnect_interval, .kib_max_reconnect_interval = &max_reconnect_interval, .kib_concurrent_peers = &concurrent_peers, .kib_cksum = &cksum, .kib_timeout = &timeout, .kib_keepalive = &keepalive, .kib_ntx = &ntx, .kib_credits = &credits, .kib_peercredits = &peer_credits, .kib_sd_retries = &sd_retries, .kib_concurrent_sends = &concurrent_sends, }; #if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM /* NB max_size specified for proc_dostring entries only needs to be big enough * not to truncate the printout; it only needs to be the actual size of the * string buffer if we allow writes (and we don't) */ #ifdef HAVE_SYSCTL_UNNUMBERED enum { IIBLND_IPIF_BASENAME = 1, IIBLND_SERVICE_NAME, IIBLND_SERVICE_NUMBER, IIBLND_RECONNECT_MIN, IIBLND_RECONNECT_MAX, IIBLND_CONCURRENT_PEERS, IIBLND_CKSUM, IIBLND_TIMEOUT, IIBLND_NTX, IIBLND_CREDITS, IIBLND_PEER_CREDITS, IIBLND_SD_RETRIES, IIBLND_KEEPALIVE, IIBLND_CONCURRENT_SENDS }; #else #define IIBLND_IPIF_BASENAME CTL_UNNUMBERED #define IIBLND_SERVICE_NAME CTL_UNNUMBERED #define IIBLND_SERVICE_NUMBER CTL_UNNUMBERED #define IIBLND_RECONNECT_MIN CTL_UNNUMBERED #define IIBLND_RECONNECT_MAX CTL_UNNUMBERED #define IIBLND_CONCURRENT_PEERS CTL_UNNUMBERED #define IIBLND_CKSUM CTL_UNNUMBERED #define IIBLND_TIMEOUT CTL_UNNUMBERED #define IIBLND_NTX CTL_UNNUMBERED #define IIBLND_CREDITS CTL_UNNUMBERED #define IIBLND_PEER_CREDITS CTL_UNNUMBERED #define IIBLND_SD_RETRIES CTL_UNNUMBERED #define IIBLND_KEEPALIVE CTL_UNNUMBERED #define IIBLND_CONCURRENT_SENDS CTL_UNNUMBERED #endif static cfs_sysctl_table_t kibnal_ctl_table[] = { { .ctl_name = IBBLND_IPIF_BASENAME, .procname = "ipif_basename", .data = &ipif_basename, .maxlen = 1024, .mode = 0444, .proc_handler = &proc_dostring }, { .ctl_name = IIBLND_SERVICE_NAME, .procname = "service_name", .data = &service_name, .maxlen = 1024, .mode = 0444, .proc_handler = &proc_dostring }, { .ctl_name = IIBLND_SERVICE_NUMBER, .procname = "service_number", .data = &service_number, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, { .ctl_name = IIBLND_RECONNECT_MIN, .procname = "min_reconnect_interval", .data = &min_reconnect_interval, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec }, { .ctl_name = IIBLND_RECONNECT_MAX, .procname = "max_reconnect_interval", .data = &max_reconnect_interval, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec }, { .ctl_name = IIBLND_CONCURRENT_PEERS, .procname = "concurrent_peers", .data = &concurrent_peers, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, { .ctl_name = IIBLND_CKSUM, .procname = "cksum", .data = &cksum, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec }, { .ctl_name = IIBLND_TIMEOUT, .procname = "timeout", .data = &timeout, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec }, { .ctl_name = IIBLND_NTX, .procname = "ntx", .data = &ntx, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, { .ctl_name = IIBLND_CREDITS, .procname = "credits", .data = &credits, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, { .ctl_name = IIBLND_PEER_CREDITS, .procname = "peer_credits", .data = &peer_credits, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, { .ctl_name = IIBLND_SD_RETRIES, .procname = "sd_retries", .data = &sd_retries, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, { .ctl_name = IIBLND_KEEPALIVE, .procname = "keepalive", .data = &keepalive, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec }, { .ctl_name = IIBLND_CONCURRENT_SENDS, .procname = "concurrent_sends", .data = &concurrent_sends, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, {0} }; static cfs_sysctl_table_t kibnal_top_ctl_table[] = { { .ctl_name = CTL_IIBLND, .procname = "iibnal", .data = NULL, .maxlen = 0, .mode = 0555, .child = kibnal_ctl_table }, {0} }; int kibnal_tunables_init () { kibnal_tunables.kib_sysctl = cfs_register_sysctl_table(kibnal_top_ctl_table, 0); if (kibnal_tunables.kib_sysctl == NULL) CWARN("Can't setup /proc tunables\n"); if (*kibnal_tunables.kib_concurrent_sends > IBNAL_RX_MSGS) *kibnal_tunables.kib_concurrent_sends = IBNAL_RX_MSGS; if (*kibnal_tunables.kib_concurrent_sends < IBNAL_MSG_QUEUE_SIZE) *kibnal_tunables.kib_concurrent_sends = IBNAL_MSG_QUEUE_SIZE; return 0; } void kibnal_tunables_fini () { if (kibnal_tunables.kib_sysctl != NULL) cfs_unregister_sysctl_table(kibnal_tunables.kib_sysctl); } #else int kibnal_tunables_init () { return 0; } void kibnal_tunables_fini () { } #endif