X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lnet%2Fklnds%2Fo2iblnd%2Fo2iblnd_modparams.c;h=2e36334f1375106091c8eb15e5deb1e463d97f69;hp=6af4e85c51be884f8c8273301e02431893e1c45d;hb=07bd49670282fcd75f1a937b621aa3c11db88407;hpb=6268df8208e0b89a2c189998183659643ee04b36 diff --git a/lnet/klnds/o2iblnd/o2iblnd_modparams.c b/lnet/klnds/o2iblnd/o2iblnd_modparams.c index 6af4e85..2e36334 100644 --- a/lnet/klnds/o2iblnd/o2iblnd_modparams.c +++ b/lnet/klnds/o2iblnd/o2iblnd_modparams.c @@ -1,6 +1,4 @@ -/* -*- 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. @@ -26,8 +24,10 @@ * GPL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. + * + * Copyright (c) 2012, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -52,11 +52,19 @@ static int timeout = 50; CFS_MODULE_PARM(timeout, "i", int, 0644, "timeout (seconds)"); -static int ntx = 256; +/* Number of threads in each scheduler pool which is percpt, + * we will estimate reasonable value based on CPUs if it's set to zero. */ +static int nscheds; +CFS_MODULE_PARM(nscheds, "i", int, 0444, + "number of threads in each scheduler pool"); + +/* NB: this value is shared by all CPTs, it can grow at runtime */ +static int ntx = 512; CFS_MODULE_PARM(ntx, "i", int, 0444, - "# of message descriptors"); + "# of message descriptors allocated for each pool"); -static int credits = 64; +/* NB: this value is shared by all CPTs */ +static int credits = 256; CFS_MODULE_PARM(credits, "i", int, 0444, "# concurrent sends"); @@ -64,6 +72,18 @@ static int peer_credits = 8; 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"); @@ -84,227 +104,264 @@ static int ib_mtu = 0; 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"); + +/* NB: this value is shared by all CPTs, it can grow at runtime */ static int fmr_pool_size = 512; CFS_MODULE_PARM(fmr_pool_size, "i", int, 0444, - "size of the fmr pool (>= ntx)"); + "size of fmr pool on each CPT (>= ntx / 4)"); +/* NB: this value is shared by all CPTs, it can grow at runtime */ static int fmr_flush_trigger = 384; CFS_MODULE_PARM(fmr_flush_trigger, "i", int, 0444, - "# dirty FMRs that triggers pool flush"); + "# dirty FMRs that triggers pool flush"); static int fmr_cache = 1; CFS_MODULE_PARM(fmr_cache, "i", int, 0444, - "non-zero to enable FMR caching"); -#endif + "non-zero to enable FMR caching"); + +/* NB: this value is shared by all CPTs, it can grow at runtime */ +static int pmr_pool_size = 512; +CFS_MODULE_PARM(pmr_pool_size, "i", int, 0444, + "size of MR cache pmr pool on each CPT"); + +/* + * 0: disable failover + * 1: enable failover if necessary + * 2: force to failover (for debug) + */ +static int dev_failover = 0; +CFS_MODULE_PARM(dev_failover, "i", int, 0444, + "HCA failover for bonding (0 off, 1 on, other values reserved)"); + + +static int require_privileged_port = 0; +CFS_MODULE_PARM(require_privileged_port, "i", int, 0644, + "require privileged port when accepting connection"); + +static int use_privileged_port = 1; +CFS_MODULE_PARM(use_privileged_port, "i", int, 0644, + "use privileged port when initiating connection"); kib_tunables_t kiblnd_tunables = { + .kib_dev_failover = &dev_failover, .kib_service = &service, .kib_cksum = &cksum, .kib_timeout = &timeout, .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, + .kib_require_priv_port = &require_privileged_port, + .kib_use_priv_port = &use_privileged_port, + .kib_nscheds = &nscheds }; #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_CREDITS, - O2IBLND_IPIF_BASENAME, - O2IBLND_RETRY_COUNT, - O2IBLND_RNR_RETRY_COUNT, - O2IBLND_KEEPALIVE, - O2IBLND_CONCURRENT_SENDS, - O2IBLND_IB_MTU, - O2IBLND_FMR_POOL_SIZE, - O2IBLND_FMR_FLUSH_TRIGGER, - O2IBLND_FMR_CACHE +static struct ctl_table kiblnd_ctl_table[] = { + { + INIT_CTL_NAME + .procname = "service", + .data = &service, + .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 = "timeout", + .data = &timeout, + .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 = "peer_credits", + .data = &peer_credits, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "peer_credits_hiw", + .data = &peer_credits_hiw, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "peer_buffer_credits", + .data = &peer_buffer_credits, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "peer_timeout", + .data = &peer_timeout, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "ipif_name", + .data = ipif_basename_space, + .maxlen = sizeof(ipif_basename_space), + .mode = 0444, + .proc_handler = &proc_dostring + }, + { + INIT_CTL_NAME + .procname = "retry_count", + .data = &retry_count, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "rnr_retry_count", + .data = &rnr_retry_count, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "keepalive", + .data = &keepalive, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "concurrent_sends", + .data = &concurrent_sends, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "ib_mtu", + .data = &ib_mtu, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "map_on_demand", + .data = &map_on_demand, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "fmr_pool_size", + .data = &fmr_pool_size, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "fmr_flush_trigger", + .data = &fmr_flush_trigger, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "fmr_cache", + .data = &fmr_cache, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "pmr_pool_size", + .data = &pmr_pool_size, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "dev_failover", + .data = &dev_failover, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec + }, + { 0 } }; -#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_CREDITS 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_FMR_POOL_SIZE CTL_UNNUMBERED -#define O2IBLND_FMR_FLUSH_TRIGGER CTL_UNNUMBERED -#define O2IBLND_FMR_CACHE CTL_UNNUMBERED - -#endif - -static cfs_sysctl_table_t kiblnd_ctl_table[] = { - { - .ctl_name = O2IBLND_SERVICE, - .procname = "service", - .data = &service, - .maxlen = sizeof(int), - .mode = 0444, - .proc_handler = &proc_dointvec - }, - { - .ctl_name = O2IBLND_CKSUM, - .procname = "cksum", - .data = &cksum, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec - }, - { - .ctl_name = O2IBLND_TIMEOUT, - .procname = "timeout", - .data = &timeout, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec - }, - { - .ctl_name = O2IBLND_NTX, - .procname = "ntx", - .data = &ntx, - .maxlen = sizeof(int), - .mode = 0444, - .proc_handler = &proc_dointvec - }, - { - .ctl_name = O2IBLND_CREDITS, - .procname = "credits", - .data = &credits, - .maxlen = sizeof(int), - .mode = 0444, - .proc_handler = &proc_dointvec - }, - { - .ctl_name = O2IBLND_PEER_CREDITS, - .procname = "peer_credits", - .data = &peer_credits, - .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), - .mode = 0444, - .proc_handler = &proc_dostring - }, - { - .ctl_name = O2IBLND_RETRY_COUNT, - .procname = "retry_count", - .data = &retry_count, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec - }, - { - .ctl_name = O2IBLND_RNR_RETRY_COUNT, - .procname = "rnr_retry_count", - .data = &rnr_retry_count, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec - }, - { - .ctl_name = O2IBLND_KEEPALIVE, - .procname = "keepalive", - .data = &keepalive, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec - }, - { - .ctl_name = O2IBLND_CONCURRENT_SENDS, - .procname = "concurrent_sends", - .data = &concurrent_sends, - .maxlen = sizeof(int), - .mode = 0444, - .proc_handler = &proc_dointvec - }, - { - .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 = O2IBLND_FMR_POOL_SIZE, - .procname = "fmr_pool_size", - .data = &fmr_pool_size, - .maxlen = sizeof(int), - .mode = 0444, - .proc_handler = &proc_dointvec - }, - { - .ctl_name = O2IBLND_FMR_FLUSH_TRIGGER, - .procname = "fmr_flush_trigger", - .data = &fmr_flush_trigger, - .maxlen = sizeof(int), - .mode = 0444, - .proc_handler = &proc_dointvec - }, - { - .ctl_name = O2IBLND_FMR_CACHE, - .procname = "fmr_cache", - .data = &fmr_cache, - .maxlen = sizeof(int), - .mode = 0444, - .proc_handler = &proc_dointvec - }, -#endif - {0} -}; - -static cfs_sysctl_table_t kiblnd_top_ctl_table[] = { - { - .ctl_name = CTL_O2IBLND, - .procname = "o2iblnd", - .data = NULL, - .maxlen = 0, - .mode = 0555, - .child = kiblnd_ctl_table - }, - {0} +static struct ctl_table kiblnd_top_ctl_table[] = { + { + INIT_CTL_NAME + .procname = "o2iblnd", + .data = NULL, + .maxlen = 0, + .mode = 0555, + .child = kiblnd_ctl_table + }, + { 0 } }; void @@ -317,21 +374,21 @@ kiblnd_initstrtunable(char *space, char *str, int size) void kiblnd_sysctl_init (void) { - kiblnd_initstrtunable(ipif_basename_space, ipif_name, - sizeof(ipif_basename_space)); + kiblnd_initstrtunable(ipif_basename_space, ipif_name, + sizeof(ipif_basename_space)); - kiblnd_tunables.kib_sysctl = - cfs_register_sysctl_table(kiblnd_top_ctl_table, 0); + kiblnd_tunables.kib_sysctl = + register_sysctl_table(kiblnd_top_ctl_table); - if (kiblnd_tunables.kib_sysctl == NULL) - CWARN("Can't setup /proc tunables\n"); + if (kiblnd_tunables.kib_sysctl == NULL) + CWARN("Can't setup /proc tunables\n"); } void kiblnd_sysctl_fini (void) { - if (kiblnd_tunables.kib_sysctl != NULL) - cfs_unregister_sysctl_table(kiblnd_tunables.kib_sysctl); + if (kiblnd_tunables.kib_sysctl != NULL) + unregister_sysctl_table(kiblnd_tunables.kib_sysctl); } #else @@ -351,33 +408,52 @@ kiblnd_sysctl_fini (void) int kiblnd_tunables_init (void) { - if (*kiblnd_tunables.kib_credits > *kiblnd_tunables.kib_ntx) { - CERROR("Can't set credits(%d) > ntx(%d)\n", - *kiblnd_tunables.kib_credits, - *kiblnd_tunables.kib_ntx); - return -EINVAL; - } - - if (*kiblnd_tunables.kib_ib_mtu != 0 && - *kiblnd_tunables.kib_ib_mtu != 256 && - *kiblnd_tunables.kib_ib_mtu != 512 && - *kiblnd_tunables.kib_ib_mtu != 1024 && - *kiblnd_tunables.kib_ib_mtu != 2048 && - *kiblnd_tunables.kib_ib_mtu != 4096) { + 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_concurrent_sends > IBLND_RX_MSGS) - *kiblnd_tunables.kib_concurrent_sends = IBLND_RX_MSGS; - if (*kiblnd_tunables.kib_concurrent_sends < IBLND_MSG_QUEUE_SIZE / 2) - *kiblnd_tunables.kib_concurrent_sends = IBLND_MSG_QUEUE_SIZE / 2; + 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_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 < IBLND_MSG_QUEUE_SIZE) { + 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, IBLND_MSG_QUEUE_SIZE); + *kiblnd_tunables.kib_concurrent_sends, *kiblnd_tunables.kib_peertxcredits); } kiblnd_sysctl_init();