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/*
* Copyright (C) Mellanox Technologies Ltd. 2001-2011. ALL RIGHTS RESERVED.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "pml_ucx.h"
#include "opal/memoryhooks/memory.h"
#include "opal/mca/memory/base/base.h"
#include <ucm/api/ucm.h>
static int mca_pml_ucx_component_register(void);
static int mca_pml_ucx_component_open(void);
static int mca_pml_ucx_component_close(void);
static mca_pml_base_module_t*
mca_pml_ucx_component_init(int* priority, bool enable_progress_threads,
bool enable_mpi_threads);
static int mca_pml_ucx_component_fini(void);
mca_pml_base_component_2_0_0_t mca_pml_ucx_component = {
/* First, the mca_base_component_t struct containing meta
* information about the component itself */
{
MCA_PML_BASE_VERSION_2_0_0,
"ucx", /* MCA component name */
OMPI_MAJOR_VERSION, /* MCA component major version */
OMPI_MINOR_VERSION, /* MCA component minor version */
OMPI_RELEASE_VERSION, /* MCA component release version */
mca_pml_ucx_component_open, /* component open */
mca_pml_ucx_component_close, /* component close */
NULL,
mca_pml_ucx_component_register,
},
{
/* This component is not checkpoint ready */
MCA_BASE_METADATA_PARAM_NONE
},
mca_pml_ucx_component_init, /* component init */
mca_pml_ucx_component_fini /* component finalize */
};
static int mca_pml_ucx_component_register(void)
{
ompi_pml_ucx.verbose = 0;
(void) mca_base_component_var_register(&mca_pml_ucx_component.pmlm_version, "verbose",
"Verbose level of the UCX component",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_LOCAL,
&ompi_pml_ucx.verbose);
ompi_pml_ucx.priority = 51;
(void) mca_base_component_var_register(&mca_pml_ucx_component.pmlm_version, "priority",
"Priority of the UCX component",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_3,
MCA_BASE_VAR_SCOPE_LOCAL,
&ompi_pml_ucx.priority);
ompi_pml_ucx.num_disconnect = 1;
(void) mca_base_component_var_register(&mca_pml_ucx_component.pmlm_version, "num_disconnect",
"How may disconnects go in parallel",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_3,
MCA_BASE_VAR_SCOPE_LOCAL,
&ompi_pml_ucx.num_disconnect);
ompi_pml_ucx.opal_mem_hooks = 0;
(void) mca_base_component_var_register(&mca_pml_ucx_component.pmlm_version, "opal_mem_hooks",
"Use OPAL memory hooks, instead of UCX internal memory hooks",
MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
OPAL_INFO_LVL_3,
MCA_BASE_VAR_SCOPE_LOCAL,
&ompi_pml_ucx.opal_mem_hooks);
return 0;
}
static void mca_pml_ucx_mem_release_cb(void *buf, size_t length,
void *cbdata, bool from_alloc)
{
ucm_vm_munmap(buf, length);
}
static int mca_pml_ucx_component_open(void)
{
ompi_pml_ucx.output = opal_output_open(NULL);
opal_output_set_verbosity(ompi_pml_ucx.output, ompi_pml_ucx.verbose);
/* Set memory hooks */
if (ompi_pml_ucx.opal_mem_hooks &&
(OPAL_MEMORY_FREE_SUPPORT | OPAL_MEMORY_MUNMAP_SUPPORT) ==
((OPAL_MEMORY_FREE_SUPPORT | OPAL_MEMORY_MUNMAP_SUPPORT) &
opal_mem_hooks_support_level()))
{
PML_UCX_VERBOSE(1, "%s", "using OPAL memory hooks as external events");
ucm_set_external_event(UCM_EVENT_VM_UNMAPPED);
opal_mem_hooks_register_release(mca_pml_ucx_mem_release_cb, NULL);
}
return mca_pml_ucx_open();
}
static int mca_pml_ucx_component_close(void)
{
int rc;
rc = mca_pml_ucx_close();
if (rc != 0) {
return rc;
}
opal_mem_hooks_unregister_release(mca_pml_ucx_mem_release_cb);
opal_output_close(ompi_pml_ucx.output);
return 0;
}
static mca_pml_base_module_t*
mca_pml_ucx_component_init(int* priority, bool enable_progress_threads,
bool enable_mpi_threads)
{
int ret;
if ( (ret = mca_pml_ucx_init()) != 0) {
return NULL;
}
*priority = ompi_pml_ucx.priority;
return &ompi_pml_ucx.super;
}
static int mca_pml_ucx_component_fini(void)
{
return mca_pml_ucx_cleanup();
}
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