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/*
* Copyright (c) 2004-2005 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) 2013-2014 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef MCA_BTL_USNIC_PROC_H
#define MCA_BTL_USNIC_PROC_H
#include "opal/class/opal_object.h"
#include "btl_usnic.h"
#include "btl_usnic_endpoint.h"
BEGIN_C_DECLS
/**
* Represents the state of a remote process and the set of addresses
* that it exports. An array of these are cached on the usnic
* component (not the usnic module).
*
* Also cache an instance of mca_btl_base_endpoint_t for each BTL
* module that attempts to open a connection to the process.
*/
typedef struct opal_btl_usnic_proc_t {
/** allow proc to be placed on a list */
opal_list_item_t super;
/** pointer to corresponding opal_proc_t */
opal_proc_t *proc_opal;
/** Addresses received via modex for this remote proc */
opal_btl_usnic_modex_t *proc_modex;
/** Number of entries in the proc_modex array */
size_t proc_modex_count;
/** Whether the modex entry is "claimed" by a module or not */
bool *proc_modex_claimed;
/** Array of endpoints that have been created to access this proc */
struct mca_btl_base_endpoint_t **proc_endpoints;
/** Number of entries in the proc_endpoints array */
size_t proc_endpoint_count;
/**
* A table giving the chosen pairing between modules and endpoint
* addresses. It has size mca_btl_usnic_component.num_modules.
* j=proc_ep_match_table[i] means that
* mca_btl_usnic_component.usnic_active_modules[i] should be paired with
* proc_modex[j]. If there is no pairing for proc_modex[i] then
* proc_ep_match_table[i] will be set to -1
*
* If matchings have not yet been computed for this proc, the pointer will
* be NULL.
*/
int *proc_ep_match_table;
/**
* true iff proc_ep_match_table != NULL and it contains at least one entry
* that is not equal to -1.
*/
bool proc_match_exists;
} opal_btl_usnic_proc_t;
OBJ_CLASS_DECLARATION(opal_btl_usnic_proc_t);
opal_btl_usnic_proc_t *opal_btl_usnic_proc_lookup_ompi(opal_proc_t *opal_proc);
struct opal_btl_usnic_module_t;
opal_btl_usnic_endpoint_t *
opal_btl_usnic_proc_lookup_endpoint(struct opal_btl_usnic_module_t *receiver,
uint64_t sender_hashed_rte_name);
int opal_btl_usnic_proc_match(opal_proc_t *opal_proc, struct opal_btl_usnic_module_t *module,
opal_btl_usnic_proc_t **proc);
int opal_btl_usnic_create_endpoint(struct opal_btl_usnic_module_t *module,
opal_btl_usnic_proc_t *proc,
opal_btl_usnic_endpoint_t **endpoint_o);
END_C_DECLS
#endif
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