339 строки
10 KiB
C
339 строки
10 KiB
C
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/*
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2009 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2011 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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/**
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* @file
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*/
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#ifndef MCA_BTL_TCP_H
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#define MCA_BTL_TCP_H
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#include "ompi_config.h"
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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/* Open MPI includes */
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#include "opal/mca/event/event.h"
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#include "ompi/class/ompi_free_list.h"
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#include "ompi/mca/btl/btl.h"
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#include "ompi/mca/btl/base/base.h"
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#include "ompi/mca/mpool/mpool.h"
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#include "ompi/mca/btl/btl.h"
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#include "opal/class/opal_hash_table.h"
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#define MCA_BTL_TCP_STATISTICS 0
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BEGIN_C_DECLS
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/**
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* TCP BTL component.
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*/
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struct mca_btl_tcp2_component_t {
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mca_btl_base_component_2_0_0_t super; /**< base BTL component */
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uint32_t tcp_addr_count; /**< total number of addresses */
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uint32_t tcp_num_btls; /**< number of hcas available to the TCP component */
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uint32_t tcp_num_links; /**< number of logical links per physical device */
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struct mca_btl_tcp2_module_t **tcp_btls; /**< array of available BTL modules */
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struct mca_btl_tcp2_proc_t* tcp_local; /**< local proc struct */
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int tcp_free_list_num; /**< initial size of free lists */
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int tcp_free_list_max; /**< maximum size of free lists */
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int tcp_free_list_inc; /**< number of elements to alloc when growing free lists */
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int tcp_endpoint_cache; /**< amount of cache on each endpoint */
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opal_hash_table_t tcp_procs; /**< hash table of tcp proc structures */
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opal_list_t tcp_events; /**< list of pending tcp events */
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opal_mutex_t tcp_lock; /**< lock for accessing module state */
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opal_event_t tcp_recv_event; /**< recv event for IPv4 listen socket */
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int tcp_listen_sd; /**< IPv4 listen socket for incoming connection requests */
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unsigned short tcp_listen_port; /**< IPv4 listen port */
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int32_t tcp_port_min; /**< IPv4 minimum port */
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int32_t tcp_port_range; /**< IPv4 port range */
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#if OPAL_WANT_IPV6
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opal_event_t tcp6_recv_event; /**< recv event for IPv6 listen socket */
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int tcp6_listen_sd; /**< IPv6 listen socket for incoming connection requests */
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unsigned short tcp6_listen_port; /**< IPv6 listen port */
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int32_t tcp6_port_min; /**< IPv4 minimum port */
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int32_t tcp6_port_range; /**< IPv4 port range */
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#endif
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/* Port range restriction */
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char* tcp_if_include; /**< comma seperated list of interface to include */
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char* tcp_if_exclude; /**< comma seperated list of interface to exclude */
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int tcp_sndbuf; /**< socket sndbuf size */
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int tcp_rcvbuf; /**< socket rcvbuf size */
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int tcp_disable_family; /**< disabled AF_family */
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/* free list of fragment descriptors */
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ompi_free_list_t tcp_frag_eager;
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ompi_free_list_t tcp_frag_max;
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ompi_free_list_t tcp_frag_user;
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/* Do we want to use TCP_NODELAY? */
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int tcp_use_nodelay;
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};
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typedef struct mca_btl_tcp2_component_t mca_btl_tcp2_component_t;
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OMPI_MODULE_DECLSPEC extern mca_btl_tcp2_component_t mca_btl_tcp2_component;
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/**
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* BTL Module Interface
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*/
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struct mca_btl_tcp2_module_t {
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mca_btl_base_module_t super; /**< base BTL interface */
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uint16_t tcp_ifkindex; /** <BTL kernel interface index */
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#if 0
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int tcp_ifindex; /**< PTL interface index */
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#endif
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struct sockaddr_storage tcp_ifaddr; /**< PTL interface address */
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uint32_t tcp_ifmask; /**< PTL interface netmask */
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opal_list_t tcp_endpoints;
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#if MCA_BTL_TCP_STATISTICS
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size_t tcp_bytes_sent;
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size_t tcp_bytes_recv;
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size_t tcp_send_handler;
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#endif
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};
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typedef struct mca_btl_tcp2_module_t mca_btl_tcp2_module_t;
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extern mca_btl_tcp2_module_t mca_btl_tcp2_module;
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#if defined(__WINDOWS__)
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#define CLOSE_THE_SOCKET(socket) closesocket(socket)
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#else
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#define CLOSE_THE_SOCKET(socket) close(socket)
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#endif /* defined(__WINDOWS__) */
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/**
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* Register TCP component parameters with the MCA framework
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*/
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extern int mca_btl_tcp2_component_open(void);
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/**
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* Any final cleanup before being unloaded.
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*/
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extern int mca_btl_tcp2_component_close(void);
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/**
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* TCP component initialization.
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*
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* @param num_btl_modules (OUT) Number of BTLs returned in BTL array.
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* @param allow_multi_user_threads (OUT) Flag indicating wether BTL supports user threads (TRUE)
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* @param have_hidden_threads (OUT) Flag indicating wether BTL uses threads (TRUE)
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*/
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extern mca_btl_base_module_t** mca_btl_tcp2_component_init(
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int *num_btl_modules,
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bool allow_multi_user_threads,
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bool have_hidden_threads
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);
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/**
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* TCP component control.
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*/
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int mca_btl_tcp2_component_control(
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int param,
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void* value,
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size_t size
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);
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/**
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* TCP component progress.
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*/
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extern int mca_btl_tcp2_component_progress(void);
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/**
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* Cleanup any resources held by the BTL.
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*
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* @param btl BTL instance.
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* @return OMPI_SUCCESS or error status on failure.
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*/
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extern int mca_btl_tcp2_finalize(
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struct mca_btl_base_module_t* btl
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);
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/**
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* PML->BTL notification of change in the process list.
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*
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* @param btl (IN)
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* @param nprocs (IN) Number of processes
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* @param procs (IN) Set of processes
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* @param peers (OUT) Set of (optional) peer addressing info.
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* @param peers (IN/OUT) Set of processes that are reachable via this BTL.
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* @return OMPI_SUCCESS or error status on failure.
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*
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*/
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extern int mca_btl_tcp2_add_procs(
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struct mca_btl_base_module_t* btl,
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size_t nprocs,
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struct ompi_proc_t **procs,
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struct mca_btl_base_endpoint_t** peers,
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opal_bitmap_t* reachable
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);
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/**
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* PML->BTL notification of change in the process list.
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*
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* @param btl (IN) BTL instance
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* @param nproc (IN) Number of processes.
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* @param procs (IN) Set of processes.
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* @param peers (IN) Set of peer data structures.
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* @return Status indicating if cleanup was successful
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*
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*/
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extern int mca_btl_tcp2_del_procs(
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struct mca_btl_base_module_t* btl,
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size_t nprocs,
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struct ompi_proc_t **procs,
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struct mca_btl_base_endpoint_t** peers
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);
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/**
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* Initiate an asynchronous send.
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*
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* @param btl (IN) BTL module
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* @param endpoint (IN) BTL addressing information
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* @param descriptor (IN) Description of the data to be transfered
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* @param tag (IN) The tag value used to notify the peer.
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*/
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extern int mca_btl_tcp2_send(
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struct mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* btl_peer,
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struct mca_btl_base_descriptor_t* descriptor,
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mca_btl_base_tag_t tag
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);
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/**
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* Initiate an asynchronous put.
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*
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* @param btl (IN) BTL module
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* @param endpoint (IN) BTL addressing information
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* @param descriptor (IN) Description of the data to be transferred
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*/
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extern int mca_btl_tcp2_put(
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struct mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* btl_peer,
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struct mca_btl_base_descriptor_t* decriptor
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);
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/**
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* Initiate an asynchronous get.
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*
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* @param btl (IN) BTL module
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* @param endpoint (IN) BTL addressing information
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* @param descriptor (IN) Description of the data to be transferred
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*/
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extern int mca_btl_tcp2_get(
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struct mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* btl_peer,
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struct mca_btl_base_descriptor_t* decriptor
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);
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/**
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* Allocate a descriptor with a segment of the requested size.
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* Note that the BTL layer may choose to return a smaller size
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* if it cannot support the request.
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*
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* @param btl (IN) BTL module
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* @param size (IN) Request segment size.
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*/
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extern mca_btl_base_descriptor_t* mca_btl_tcp2_alloc(
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struct mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* endpoint,
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uint8_t order,
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size_t size,
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uint32_t flags);
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/**
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* Return a segment allocated by this BTL.
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*
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* @param btl (IN) BTL module
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* @param descriptor (IN) Allocated descriptor.
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*/
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extern int mca_btl_tcp2_free(
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struct mca_btl_base_module_t* btl,
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mca_btl_base_descriptor_t* des);
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/**
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* Prepare a descriptor for send/rdma using the supplied
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* convertor. If the convertor references data that is contigous,
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* the descriptor may simply point to the user buffer. Otherwise,
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* this routine is responsible for allocating buffer space and
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* packing if required.
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*
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* @param btl (IN) BTL module
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* @param endpoint (IN) BTL peer addressing
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* @param convertor (IN) Data type convertor
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* @param reserve (IN) Additional bytes requested by upper layer to precede user data
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* @param size (IN/OUT) Number of bytes to prepare (IN), number of bytes actually prepared (OUT)
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*/
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mca_btl_base_descriptor_t* mca_btl_tcp2_prepare_src(
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struct mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* peer,
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struct mca_mpool_base_registration_t*,
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struct opal_convertor_t* convertor,
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uint8_t order,
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size_t reserve,
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size_t* size,
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uint32_t flags
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);
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extern mca_btl_base_descriptor_t* mca_btl_tcp2_prepare_dst(
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struct mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* peer,
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struct mca_mpool_base_registration_t*,
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struct opal_convertor_t* convertor,
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uint8_t order,
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size_t reserve,
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size_t* size,
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uint32_t flags);
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/**
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* Fault Tolerance Event Notification Function
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* @param state Checkpoint Stae
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* @return OMPI_SUCCESS or failure status
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*/
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int mca_btl_tcp2_ft_event(int state);
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END_C_DECLS
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#endif
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