/* * Copyright (c) 2004-2005 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. * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ */ /** * @file */ #ifndef MCA_BTL_TCP_H #define MCA_BTL_TCP_H /* Standard system includes */ #include "ompi_config.h" #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif /* Open MPI includes */ #include "opal/event/event.h" #include "opal/util/output.h" #include "ompi/class/ompi_bitmap.h" #include "ompi/class/ompi_free_list.h" #include "ompi/mca/pml/pml.h" #include "ompi/mca/btl/btl.h" #include "ompi/mca/btl/base/base.h" #include "ompi/mca/mpool/mpool.h" #include "ompi/mca/btl/btl.h" #include "opal/class/opal_hash_table.h" #define MCA_BTL_TCP_STATISTICS 0 #if defined(c_plusplus) || defined(__cplusplus) extern "C" { #endif /** * Infiniband (TCP) BTL component. */ struct mca_btl_tcp_component_t { mca_btl_base_component_1_0_0_t super; /**< base BTL component */ uint32_t tcp_num_btls; /**< number of hcas available to the TCP component */ struct mca_btl_tcp_module_t **tcp_btls; /**< array of available BTL modules */ struct mca_btl_tcp_proc_t* tcp_local; /**< local proc struct */ int tcp_free_list_num; /**< initial size of free lists */ int tcp_free_list_max; /**< maximum size of free lists */ int tcp_free_list_inc; /**< number of elements to alloc when growing free lists */ opal_hash_table_t tcp_procs; /**< hash table of tcp proc structures */ opal_list_t tcp_events; /**< list of pending tcp events */ opal_mutex_t tcp_lock; /**< lock for accessing module state */ opal_event_t tcp_recv_event; /**< recv event for listen socket */ int tcp_listen_sd; /**< listen socket for incoming connection requests */ unsigned short tcp_listen_port; /**< listen port */ char* tcp_if_include; /**< comma seperated list of interface to include */ char* tcp_if_exclude; /**< comma seperated list of interface to exclude */ int tcp_sndbuf; /**< socket sndbuf size */ int tcp_rcvbuf; /**< socket rcvbuf size */ /* free list of fragment descriptors */ ompi_free_list_t tcp_frag_eager; ompi_free_list_t tcp_frag_max; ompi_free_list_t tcp_frag_user; }; typedef struct mca_btl_tcp_component_t mca_btl_tcp_component_t; extern mca_btl_tcp_component_t mca_btl_tcp_component; /** * BTL Module Interface */ struct mca_btl_tcp_module_t { mca_btl_base_module_t super; /**< base BTL interface */ mca_btl_base_recv_reg_t tcp_reg[256]; int tcp_ifindex; /**< PTL interface index */ struct sockaddr_in tcp_ifaddr; /**< PTL interface address */ struct sockaddr_in tcp_ifmask; /**< PTL interface netmask */ opal_list_t tcp_endpoints; #if MCA_BTL_TCP_STATISTICS size_t tcp_bytes_sent; size_t tcp_bytes_recv; size_t tcp_send_handler; #endif }; typedef struct mca_btl_tcp_module_t mca_btl_tcp_module_t; extern mca_btl_tcp_module_t mca_btl_tcp_module; /** * Register TCP component parameters with the MCA framework */ extern int mca_btl_tcp_component_open(void); /** * Any final cleanup before being unloaded. */ extern int mca_btl_tcp_component_close(void); /** * TCP component initialization. * * @param num_btl_modules (OUT) Number of BTLs returned in BTL array. * @param allow_multi_user_threads (OUT) Flag indicating wether BTL supports user threads (TRUE) * @param have_hidden_threads (OUT) Flag indicating wether BTL uses threads (TRUE) */ extern mca_btl_base_module_t** mca_btl_tcp_component_init( int *num_btl_modules, bool allow_multi_user_threads, bool have_hidden_threads ); /** * TCP component control. */ int mca_btl_tcp_component_control( int param, void* value, size_t size ); /** * TCP component progress. */ extern int mca_btl_tcp_component_progress(void); /** * Cleanup any resources held by the BTL. * * @param btl BTL instance. * @return OMPI_SUCCESS or error status on failure. */ extern int mca_btl_tcp_finalize( struct mca_btl_base_module_t* btl ); /** * PML->BTL notification of change in the process list. * * @param btl (IN) * @param nprocs (IN) Number of processes * @param procs (IN) Set of processes * @param peers (OUT) Set of (optional) peer addressing info. * @param peers (IN/OUT) Set of processes that are reachable via this BTL. * @return OMPI_SUCCESS or error status on failure. * */ extern int mca_btl_tcp_add_procs( struct mca_btl_base_module_t* btl, size_t nprocs, struct ompi_proc_t **procs, struct mca_btl_base_endpoint_t** peers, ompi_bitmap_t* reachable ); /** * PML->BTL notification of change in the process list. * * @param btl (IN) BTL instance * @param nproc (IN) Number of processes. * @param procs (IN) Set of processes. * @param peers (IN) Set of peer data structures. * @return Status indicating if cleanup was successful * */ extern int mca_btl_tcp_del_procs( struct mca_btl_base_module_t* btl, size_t nprocs, struct ompi_proc_t **procs, struct mca_btl_base_endpoint_t** peers ); /** * Initiate an asynchronous send. * * @param btl (IN) BTL module * @param endpoint (IN) BTL addressing information * @param descriptor (IN) Description of the data to be transfered * @param tag (IN) The tag value used to notify the peer. */ extern int mca_btl_tcp_send( struct mca_btl_base_module_t* btl, struct mca_btl_base_endpoint_t* btl_peer, struct mca_btl_base_descriptor_t* descriptor, mca_btl_base_tag_t tag ); /** * Initiate an asynchronous put. * * @param btl (IN) BTL module * @param endpoint (IN) BTL addressing information * @param descriptor (IN) Description of the data to be transferred */ extern int mca_btl_tcp_put( struct mca_btl_base_module_t* btl, struct mca_btl_base_endpoint_t* btl_peer, struct mca_btl_base_descriptor_t* decriptor ); /** * Initiate an asynchronous get. * * @param btl (IN) BTL module * @param endpoint (IN) BTL addressing information * @param descriptor (IN) Description of the data to be transferred */ extern int mca_btl_tcp_get( struct mca_btl_base_module_t* btl, struct mca_btl_base_endpoint_t* btl_peer, struct mca_btl_base_descriptor_t* decriptor ); /** * Register a callback function that is called on receipt * of a fragment. * * @param btl (IN) BTL module * @return Status indicating if registration was successful * */ extern int mca_btl_tcp_register( struct mca_btl_base_module_t* btl, mca_btl_base_tag_t tag, mca_btl_base_module_recv_cb_fn_t cbfunc, void* cbdata); /** * Allocate a descriptor with a segment of the requested size. * Note that the BTL layer may choose to return a smaller size * if it cannot support the request. * * @param btl (IN) BTL module * @param size (IN) Request segment size. */ extern mca_btl_base_descriptor_t* mca_btl_tcp_alloc( struct mca_btl_base_module_t* btl, size_t size); /** * Return a segment allocated by this BTL. * * @param btl (IN) BTL module * @param descriptor (IN) Allocated descriptor. */ extern int mca_btl_tcp_free( struct mca_btl_base_module_t* btl, mca_btl_base_descriptor_t* des); /** * Prepare a descriptor for send/rdma using the supplied * convertor. If the convertor references data that is contigous, * the descriptor may simply point to the user buffer. Otherwise, * this routine is responsible for allocating buffer space and * packing if required. * * @param btl (IN) BTL module * @param endpoint (IN) BTL peer addressing * @param convertor (IN) Data type convertor * @param reserve (IN) Additional bytes requested by upper layer to precede user data * @param size (IN/OUT) Number of bytes to prepare (IN), number of bytes actually prepared (OUT) */ mca_btl_base_descriptor_t* mca_btl_tcp_prepare_src( struct mca_btl_base_module_t* btl, struct mca_btl_base_endpoint_t* peer, struct mca_mpool_base_registration_t*, struct ompi_convertor_t* convertor, size_t reserve, size_t* size ); extern mca_btl_base_descriptor_t* mca_btl_tcp_prepare_dst( struct mca_btl_base_module_t* btl, struct mca_btl_base_endpoint_t* peer, struct mca_mpool_base_registration_t*, struct ompi_convertor_t* convertor, size_t reserve, size_t* size); #if defined(c_plusplus) || defined(__cplusplus) } #endif #endif