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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2011 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006 Sandia National Laboratories. All rights
* reserved.
* Copyright (c) 2008-2019 Cisco Systems, Inc. All rights reserved
* Copyright (c) 2012-2016 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2015 Intel, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include <errno.h>
#include <string.h>
#include "opal/mca/base/mca_base_var.h"
#include "opal/util/argv.h"
#include "opal/constants.h"
#include "opal/mca/btl/base/base.h"
#include "opal/mca/btl/btl.h"
#include "btl_usnic.h"
#include "btl_usnic_endpoint.h"
#include "btl_usnic_frag.h"
#include "btl_usnic_module.h"
/*
* Local flags
*/
enum {
REGINT_NEG_ONE_OK = 0x01,
REGINT_GE_ZERO = 0x02,
REGINT_GE_ONE = 0x04,
REGINT_NONZERO = 0x08,
REGINT_MAX = 0x88
};
enum {
REGSTR_EMPTY_OK = 0x01,
REGSTR_MAX = 0x88
};
/*
* utility routine for string parameter registration
*/
static int reg_string(const char *param_name, const char *help_string, const char *default_value,
char **storage, int flags, int level)
{
*storage = (char *) default_value;
mca_base_component_var_register(&mca_btl_usnic_component.super.btl_version, param_name,
help_string, MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0, level,
MCA_BASE_VAR_SCOPE_READONLY, storage);
if (0 == (flags & REGSTR_EMPTY_OK) && (NULL == *storage || 0 == strlen(*storage))) {
opal_output(0, "Bad parameter value for parameter \"%s\"", param_name);
return OPAL_ERR_BAD_PARAM;
}
return OPAL_SUCCESS;
}
/*
* utility routine for integer parameter registration
*/
static int reg_int(const char *param_name, const char *help_string, int default_value, int *storage,
int flags, int level)
{
*storage = default_value;
mca_base_component_var_register(&mca_btl_usnic_component.super.btl_version, param_name,
help_string, MCA_BASE_VAR_TYPE_INT, NULL, 0, 0, level,
MCA_BASE_VAR_SCOPE_READONLY, storage);
if (0 != (flags & REGINT_NEG_ONE_OK) && -1 == *storage) {
return OPAL_SUCCESS;
}
if ((0 != (flags & REGINT_GE_ZERO) && *storage < 0)
|| (0 != (flags & REGINT_GE_ONE) && *storage < 1)
|| (0 != (flags & REGINT_NONZERO) && 0 == *storage)) {
opal_output(0, "Bad parameter value for parameter \"%s\"", param_name);
return OPAL_ERR_BAD_PARAM;
}
return OPAL_SUCCESS;
}
/*
* utility routine for integer parameter registration
*/
static int reg_bool(const char *param_name, const char *help_string, bool default_value,
bool *storage, int level)
{
*storage = default_value;
mca_base_component_var_register(&mca_btl_usnic_component.super.btl_version, param_name,
help_string, MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0, level,
MCA_BASE_VAR_SCOPE_READONLY, storage);
return OPAL_SUCCESS;
}
int opal_btl_usnic_component_register(void)
{
int tmp, ret = 0;
static int max_modules;
static int stats_relative;
static int want_numa_device_assignment;
static int sd_num;
static int rd_num;
static int prio_sd_num;
static int prio_rd_num;
static int cq_num;
static int av_eq_num;
static int udp_port_base;
static int max_tiny_msg_size;
static int eager_limit;
static int rndv_eager_limit;
static int pack_lazy_threshold;
static int max_short_packets;
#define CHECK(expr) \
do { \
tmp = (expr); \
if (OPAL_SUCCESS != tmp) \
ret = tmp; \
} while (0)
CHECK(reg_int("max_btls",
"Maximum number of usNICs to use (default: 0 = as many as are available)", 0,
&max_modules, REGINT_GE_ZERO, OPAL_INFO_LVL_2));
mca_btl_usnic_component.max_modules = (size_t) max_modules;
CHECK(reg_string("if_include",
"Comma-delimited list of usNIC devices/networks to be used (e.g. "
"\"eth3,usnic_0,10.10.0.0/16\"; empty value means to use all available "
"usNICs). Mutually exclusive with btl_usnic_if_exclude.",
NULL, &mca_btl_usnic_component.if_include, REGSTR_EMPTY_OK, OPAL_INFO_LVL_1));
CHECK(reg_string(
"if_exclude",
"Comma-delimited list of usNIC devices/networks to be excluded (empty value means to not "
"exclude any usNICs). Mutually exclusive with btl_usnic_if_include.",
NULL, &mca_btl_usnic_component.if_exclude, REGSTR_EMPTY_OK, OPAL_INFO_LVL_1));
CHECK(reg_int("stats",
"A non-negative integer specifying the frequency at which each usnic BTL will "
"output statistics (default: 0 seconds, meaning that statistics are disabled)",
0, &mca_btl_usnic_component.stats_frequency, 0, OPAL_INFO_LVL_4));
mca_btl_usnic_component.stats_enabled = (bool) (mca_btl_usnic_component.stats_frequency > 0);
CHECK(reg_int("stats_relative",
"If stats are enabled, output relative stats between the timestamps (vs. "
"cumulative stats since the beginning of the job) (default: 0 -- i.e., absolute)",
0, &stats_relative, 0, OPAL_INFO_LVL_4));
mca_btl_usnic_component.stats_relative = (bool) stats_relative;
CHECK(reg_string("mpool_hints", "Hints to use when selecting mpool", NULL,
&mca_btl_usnic_component.usnic_mpool_hints, REGSTR_EMPTY_OK, OPAL_INFO_LVL_5));
CHECK(reg_string("rcache", "Name of the registration cache to be used", "grdma",
&mca_btl_usnic_component.usnic_rcache_name, 0, OPAL_INFO_LVL_5));
want_numa_device_assignment = 1;
CHECK(reg_int(
"want_numa_device_assignment",
"If 1, use only Cisco VIC ports there are a minimum NUMA distance from the MPI process for "
"short messages. If 0, use all available Cisco VIC ports for short messages. This "
"parameter is meaningless (and ignored) unless MPI processes are bound to processor cores. "
"Defaults to 1 if NUMA support is included in Open MPI; -1 otherwise.",
want_numa_device_assignment, &want_numa_device_assignment, 0, OPAL_INFO_LVL_5));
mca_btl_usnic_component.want_numa_device_assignment = (1 == want_numa_device_assignment)
? true
: false;
CHECK(reg_int("sd_num",
"Maximum send descriptors to post (-1 = pre-set defaults; depends on number and "
"type of devices available)",
-1, &sd_num, REGINT_NEG_ONE_OK, OPAL_INFO_LVL_5));
mca_btl_usnic_component.sd_num = (int32_t) sd_num;
CHECK(reg_int("rd_num",
"Number of pre-posted receive buffers (-1 = pre-set defaults; depends on number "
"and type of devices available)",
-1, &rd_num, REGINT_NEG_ONE_OK, OPAL_INFO_LVL_5));
mca_btl_usnic_component.rd_num = (int32_t) rd_num;
CHECK(reg_int("prio_sd_num",
"Maximum priority send descriptors to post (-1 = pre-set defaults; depends on "
"number and type of devices available)",
-1, &prio_sd_num, REGINT_NEG_ONE_OK, OPAL_INFO_LVL_5));
mca_btl_usnic_component.prio_sd_num = (int32_t) prio_sd_num;
CHECK(reg_int("prio_rd_num",
"Number of pre-posted priority receive buffers (-1 = pre-set defaults; depends "
"on number and type of devices available)",
-1, &prio_rd_num, REGINT_NEG_ONE_OK, OPAL_INFO_LVL_5));
mca_btl_usnic_component.prio_rd_num = (int32_t) prio_rd_num;
CHECK(reg_int("cq_num",
"Number of completion queue entries (-1 = pre-set defaults; depends on number "
"and type of devices available; will error if (sd_num+rd_num)>cq_num)",
-1, &cq_num, REGINT_NEG_ONE_OK, OPAL_INFO_LVL_5));
mca_btl_usnic_component.cq_num = (int32_t) cq_num;
CHECK(reg_int("av_eq_num", "Number of event queue entries for peer address resolution", 1024,
&av_eq_num, REGINT_GE_ONE, OPAL_INFO_LVL_5));
mca_btl_usnic_component.av_eq_num = (int32_t) av_eq_num;
CHECK(reg_int("base_udp_port",
"Base UDP port to use for usNIC communications. If 0, system will pick the port "
"number. If non-zero, it will be added to each process' local rank to obtain "
"the final port number (default: 0)",
0, &udp_port_base, REGINT_GE_ZERO, OPAL_INFO_LVL_5));
mca_btl_usnic_component.udp_port_base = (int) udp_port_base;
CHECK(reg_int("retrans_timeout", "Number of microseconds before retransmitting a frame", 5000,
&mca_btl_usnic_component.retrans_timeout, REGINT_GE_ONE, OPAL_INFO_LVL_5));
CHECK(reg_int(
"max_resends_per_iteration",
"Maximum number of frames to resend in a single iteration through usNIC component progress",
16, &mca_btl_usnic_component.max_resends_per_iteration, REGINT_GE_ONE, OPAL_INFO_LVL_5));
CHECK(reg_int("ack_iteration_delay",
"Minimum number of times through usNIC \"progress\" function before checking to "
"see if standalone ACKs need to be sent",
4, &mca_btl_usnic_component.ack_iteration_delay, REGINT_GE_ZERO,
OPAL_INFO_LVL_5));
CHECK(reg_int("priority_limit",
"Max size of \"priority\" messages (0 = use pre-set defaults; depends on number "
"and type of devices available)",
0, &max_tiny_msg_size, REGINT_GE_ZERO, OPAL_INFO_LVL_5));
opal_btl_usnic_module_template.max_tiny_msg_size = (size_t) max_tiny_msg_size;
CHECK(reg_int("eager_limit",
"Eager send limit (0 = use pre-set defaults; depends on number and type of "
"devices available)",
0, &eager_limit, REGINT_GE_ZERO, OPAL_INFO_LVL_5));
opal_btl_usnic_module_template.super.btl_eager_limit = eager_limit;
CHECK(reg_int("rndv_eager_limit",
"Eager rendezvous limit (0 = use pre-set defaults; depends on number and type of "
"devices available)",
0, &rndv_eager_limit, REGINT_GE_ZERO, OPAL_INFO_LVL_5));
opal_btl_usnic_module_template.super.btl_rndv_eager_limit = rndv_eager_limit;
CHECK(reg_int("pack_lazy_threshold",
"Convertor packing on-the-fly threshold (-1 = always pack eagerly, 0 = always "
"pack lazily, otherwise will pack on the fly if fragment size is > limit)",
USNIC_DFLT_PACK_LAZY_THRESHOLD, &pack_lazy_threshold, REGINT_NEG_ONE_OK,
OPAL_INFO_LVL_5));
mca_btl_usnic_component.pack_lazy_threshold = pack_lazy_threshold;
CHECK(reg_int("max_short_packets",
"Number of abnormally-short packets received before outputting a warning (0 = "
"never show the warning)",
25, &max_short_packets, REGINT_GE_ZERO, OPAL_INFO_LVL_5));
mca_btl_usnic_component.max_short_packets = max_short_packets;
/* Default to bandwidth auto-detection */
opal_btl_usnic_module_template.super.btl_bandwidth = 0;
opal_btl_usnic_module_template.super.btl_latency = 2;
/* Show "cannot find route" warnings? */
mca_btl_usnic_component.show_route_failures = true;
CHECK(reg_bool("show_route_failures",
"Whether to show a warning when route failures between MPI process peers are "
"detected (default = 1, enabled; 0 = disabled)",
mca_btl_usnic_component.show_route_failures,
&mca_btl_usnic_component.show_route_failures, OPAL_INFO_LVL_3));
/* Connectivity verification */
mca_btl_usnic_component.connectivity_enabled = true;
CHECK(reg_bool("connectivity_check",
"Whether to enable the usNIC connectivity check upon first send (default = 1, "
"enabled; 0 = disabled)",
mca_btl_usnic_component.connectivity_enabled,
&mca_btl_usnic_component.connectivity_enabled, OPAL_INFO_LVL_3));
mca_btl_usnic_component.connectivity_ack_timeout = 250;
CHECK(reg_int(
"connectivity_ack_timeout",
"Timeout, in milliseconds, while waiting for an ACK while verification connectivity "
"between usNIC interfaces. If 0, the connectivity check is disabled (must be >=0).",
mca_btl_usnic_component.connectivity_ack_timeout,
&mca_btl_usnic_component.connectivity_ack_timeout, REGINT_GE_ZERO, OPAL_INFO_LVL_3));
mca_btl_usnic_component.connectivity_num_retries = 40;
CHECK(reg_int("connectivity_error_num_retries",
"Number of times to retry usNIC connectivity verification before aborting the "
"MPI job (must be >0).",
mca_btl_usnic_component.connectivity_num_retries,
&mca_btl_usnic_component.connectivity_num_retries, REGINT_GE_ONE,
OPAL_INFO_LVL_3));
mca_btl_usnic_component.connectivity_map_prefix = NULL;
CHECK(reg_string(
"connectivity_map",
"Write a per-process file containing the usNIC connectivity map. If this parameter is "
"specified, it is the filename prefix emitted by each MPI process. The full filename "
"emitted by each process is of the form: <prefix>-<hostname>.<pid>.<jobid>.<MCW rank>.txt.",
mca_btl_usnic_component.connectivity_map_prefix,
&mca_btl_usnic_component.connectivity_map_prefix, REGSTR_EMPTY_OK, OPAL_INFO_LVL_3));
return ret;
}
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