/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 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) 2006-2010 QLogic Corporation. All rights reserved.
* Copyright (c) 2012 Los Alamos National Security, LLC.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "opal/mca/event/event.h"
#include "opal/util/output.h"
#include "opal/util/show_help.h"
#include "ompi/proc/proc.h"
#include "mtl_psm.h"
#include "mtl_psm_types.h"
#include "mtl_psm_request.h"
#include "psm.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
static int ompi_mtl_psm_component_open(void);
static int ompi_mtl_psm_component_close(void);
static int ompi_mtl_psm_component_register(void);
static mca_mtl_base_module_t* ompi_mtl_psm_component_init( bool enable_progress_threads,
bool enable_mpi_threads );
mca_mtl_psm_component_t mca_mtl_psm_component = {
{
/* First, the mca_base_component_t struct containing meta
* information about the component itself */
{
MCA_MTL_BASE_VERSION_2_0_0,
"psm", /* MCA component name */
OMPI_MAJOR_VERSION, /* MCA component major version */
OMPI_MINOR_VERSION, /* MCA component minor version */
OMPI_RELEASE_VERSION, /* MCA component release version */
ompi_mtl_psm_component_open, /* component open */
ompi_mtl_psm_component_close, /* component close */
NULL,
ompi_mtl_psm_component_register
},
{
/* The component is not checkpoint ready */
MCA_BASE_METADATA_PARAM_NONE
},
ompi_mtl_psm_component_init /* component init */
}
};
#if PSM_VERNO >= 0x010d
static mca_base_var_enum_value_t path_query_values[] = {
{PSM_PATH_RES_NONE, "none"},
{PSM_PATH_RES_OPP, "opp"},
{0, NULL}
};
#endif
static int
ompi_mtl_psm_component_register(void)
{
#if PSM_VERNO >= 0x010d
mca_base_var_enum_t *new_enum;
#endif
int ret;
ompi_mtl_psm.connect_timeout = 180;
(void) mca_base_component_var_register(&mca_mtl_psm_component.super.mtl_version,
"connect_timeout",
"PSM connection timeout value in seconds",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_mtl_psm.connect_timeout);
ompi_mtl_psm.debug_level = 1;
(void) mca_base_component_var_register(&mca_mtl_psm_component.super.mtl_version,
"debug", "PSM debug level",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_mtl_psm.debug_level);
ompi_mtl_psm.ib_unit = -1;
(void) mca_base_component_var_register(&mca_mtl_psm_component.super.mtl_version,
"ib_unit", "Truescale unit to use",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_mtl_psm.ib_unit);
ompi_mtl_psm.ib_port = 0;
(void) mca_base_component_var_register(&mca_mtl_psm_component.super.mtl_version,
"ib_port", "Truescale port on unit to use",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_mtl_psm.ib_port);
ompi_mtl_psm.ib_service_level = 0;
(void) mca_base_component_var_register(&mca_mtl_psm_component.super.mtl_version,
"ib_service_level", "Infiniband service level"
"(0 <= SL <= 15)", MCA_BASE_VAR_TYPE_INT,
NULL, 0, 0, OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_mtl_psm.ib_service_level);
ompi_mtl_psm.ib_pkey = 0x7fffUL;
(void) mca_base_component_var_register(&mca_mtl_psm_component.super.mtl_version,
"ib_pkey", "Infiniband partition key",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_mtl_psm.ib_pkey);
#if PSM_VERNO >= 0x010d
ompi_mtl_psm.ib_service_id = 0x1000117500000000ull;
(void) mca_base_component_var_register(&mca_mtl_psm_component.super.mtl_version,
"ib_service_id",
"Infiniband service ID to use for application (default is 0)",
MCA_BASE_VAR_TYPE_UNSIGNED_LONG_LONG, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_mtl_psm.ib_service_id);
ompi_mtl_psm.path_res_type = PSM_PATH_RES_NONE;
mca_base_var_enum_create("mtl_psm_path_query", path_query_values, &new_enum);
ret = mca_base_component_var_register(&mca_mtl_psm_component.super.mtl_version,
"path_query",
"Path record query mechanisms",
MCA_BASE_VAR_TYPE_INT, new_enum, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&ompi_mtl_psm.path_res_type);
OBJ_RELEASE(new_enum);
#endif
return OMPI_SUCCESS;
}
static int
ompi_mtl_psm_component_open(void)
{
struct stat st;
if (ompi_mtl_psm.ib_service_level < 0) {
ompi_mtl_psm.ib_service_level = 0;
} else if (ompi_mtl_psm.ib_service_level > 15) {
ompi_mtl_psm.ib_service_level = 15;
}
/* Component available only if Truescale hardware is present */
if (0 == stat("/dev/ipath", &st)) {
return OMPI_SUCCESS;
}
else {
return OPAL_ERR_NOT_AVAILABLE;
}
}
static int
ompi_mtl_psm_component_close(void)
{
return OMPI_SUCCESS;
}
static int
get_num_local_procs(int *out_nlp)
{
/* num_local_peers does not include us in
* its calculation, so adjust for that */
*out_nlp = (int)(1 + ompi_process_info.num_local_peers);
return OMPI_SUCCESS;
}
static int
get_local_rank(int *out_rank)
{
ompi_node_rank_t my_node_rank;
*out_rank = 0;
if (OMPI_NODE_RANK_INVALID == (my_node_rank =
ompi_process_info.my_node_rank)) {
return OMPI_ERROR;
}
*out_rank = (int)my_node_rank;
return OMPI_SUCCESS;
}
static mca_mtl_base_module_t *
ompi_mtl_psm_component_init(bool enable_progress_threads,
bool enable_mpi_threads)
{
psm_error_t err;
int verno_major = PSM_VERNO_MAJOR;
int verno_minor = PSM_VERNO_MINOR;
int local_rank = -1, num_local_procs = 0;
/* Compute the total number of processes on this host and our local rank
* on that node. We need to provide PSM with these values so it can
* allocate hardware contexts appropriately across processes.
*/
if (OMPI_SUCCESS != get_num_local_procs(&num_local_procs)) {
opal_output(0, "Cannot determine number of local processes. "
"Cannot continue.\n");
return NULL;
}
if (OMPI_SUCCESS != get_local_rank(&local_rank)) {
opal_output(0, "Cannot determine local rank. Cannot continue.\n");
return NULL;
}
err = psm_error_register_handler(NULL /* no ep */,
PSM_ERRHANDLER_NOP);
if (err) {
opal_output(0, "Error in psm_error_register_handler (error %s)\n",
psm_error_get_string(err));
return NULL;
}
#if PSM_VERNO >= 0x010c
/* Set infinipath debug level */
err = psm_setopt(PSM_COMPONENT_CORE, 0, PSM_CORE_OPT_DEBUG,
(const void*) &ompi_mtl_psm.debug_level,
sizeof(unsigned));
if (err) {
/* Non fatal error. Can continue */
opal_show_help("help-mtl-psm.txt",
"psm init", false,
psm_error_get_string(err));
}
#endif
/* Only allow for shm and ipath devices in 2.0 and earlier releases
* (unless the user overrides the setting).
*/
if (PSM_VERNO >= 0x0104) {
setenv("PSM_DEVICES", "self,shm,ipath", 0);
}
else {
setenv("PSM_DEVICES", "shm,ipath", 0);
}
err = psm_init(&verno_major, &verno_minor);
if (err) {
opal_show_help("help-mtl-psm.txt",
"psm init", true,
psm_error_get_string(err));
return NULL;
}
/* Complete PSM initialization */
ompi_mtl_psm_module_init(local_rank, num_local_procs);
ompi_mtl_psm.super.mtl_request_size =
sizeof(mca_mtl_psm_request_t) -
sizeof(struct mca_mtl_request_t);
return &ompi_mtl_psm.super;
}