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/*
* Copyright (c) 2013-2016 Intel, Inc. All rights reserved
* Copyright (c) 2020 Amazon.com, Inc. or its affiliates. All Rights
* reserved.
*
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef OMPI_MTL_OFI_ENDPOINT_H
#define OMPI_MTL_OFI_ENDPOINT_H
#include "ompi/mca/pml/pml.h"
BEGIN_C_DECLS
OBJ_CLASS_DECLARATION(mca_mtl_ofi_endpoint_t);
/**
* An abstraction that represents a connection to a endpoint process.
* An instance of mca_mtl_ofi_endpoint_t is associated with each process
* and MTL pair at startup. However, connections to the endpoint
* are established dynamically on an as-needed basis:
*/
struct mca_mtl_ofi_endpoint_t {
opal_list_item_t super;
/** MTL instance that created this connection */
struct mca_mtl_ofi_module_t *mtl_ofi_module;
/** The peer's fi_addr */
fi_addr_t peer_fiaddr;
};
typedef struct mca_mtl_ofi_endpoint_t mca_mtl_ofi_endpoint_t;
static inline mca_mtl_ofi_endpoint_t *
ompi_mtl_ofi_get_endpoint(struct mca_mtl_base_module_t* mtl,
ompi_proc_t *ompi_proc)
{
if (OPAL_UNLIKELY(NULL == ompi_proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_MTL])) {
if (OPAL_UNLIKELY(OMPI_SUCCESS != MCA_PML_CALL(add_procs(&ompi_proc, 1)))) {
/* Fatal error. exit() out */
opal_output(0, "%s:%d: *** The Open MPI OFI MTL is aborting the MPI job (via exit(3)).\n",
__FILE__, __LINE__);
fflush(stderr);
exit(1);
}
}
return ompi_proc->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_MTL];
}
END_C_DECLS
#endif
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