/* * Copyright (c) 2004-2005 The Trustees of Indiana University. * All rights reserved. * Copyright (c) 2004-2005 The Trustees of the University of Tennessee. * 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 * * $HEADER$ */ #include "ompi_config.h" #include "gm_config.h" #include "include/constants.h" #include "event/event.h" #include "util/if.h" #include "util/argv.h" #include "util/output.h" #include "mca/pml/pml.h" #include "mca/btl/btl.h" #include "mca/base/mca_base_param.h" #include "mca/base/mca_base_module_exchange.h" #include "mca/errmgr/errmgr.h" #include "mca/mpool/base/base.h" #include "mca/mpool/gm/mpool_gm.h" #include "btl_gm.h" #include "btl_gm_frag.h" #include "btl_gm_endpoint.h" #include "mca/btl/base/base.h" #include "datatype/convertor.h" #include "btl_gm_endpoint.h" mca_btl_gm_component_t mca_btl_gm_component = { { /* First, the mca_base_component_t struct containing meta information about the component itself */ { /* Indicate that we are a pml v1.0.0 component (which also implies a specific MCA version) */ MCA_BTL_BASE_VERSION_1_0_0, "ib", /* MCA component name */ 1, /* MCA component major version */ 0, /* MCA component minor version */ 0, /* MCA component release version */ mca_btl_gm_component_open, /* component open */ mca_btl_gm_component_close /* component close */ }, /* Next the MCA v1.0.0 component meta data */ { /* Whether the component is checkpointable or not */ false }, mca_btl_gm_component_init, mca_btl_gm_component_progress, } }; /* * utility routines for parameter registration */ static inline char* mca_btl_gm_param_register_string( const char* param_name, const char* default_value) { char *param_value; int id = mca_base_param_register_string("btl","ib",param_name,NULL,default_value); mca_base_param_lookup_string(id, ¶m_value); return param_value; } static inline int mca_btl_gm_param_register_int( const char* param_name, int default_value) { int id = mca_base_param_register_int("btl","ib",param_name,NULL,default_value); int param_value = default_value; mca_base_param_lookup_int(id,¶m_value); return param_value; } /* * Called by MCA framework to open the component, registers * component parameters. */ int mca_btl_gm_component_open(void) { /* initialize state */ mca_btl_gm_component.gm_num_btls=0; mca_btl_gm_component.gm_btls=NULL; mca_btl_gm_component.gm_port_name=NULL; /* initialize objects */ OBJ_CONSTRUCT(&mca_btl_gm_component.gm_procs, ompi_list_t); OBJ_CONSTRUCT(&mca_btl_gm_component.gm_lock, ompi_mutex_t); /* register GM component parameters */ mca_btl_gm_component.gm_free_list_num = mca_btl_gm_param_register_int ("free_list_num", 8); mca_btl_gm_component.gm_free_list_max = mca_btl_gm_param_register_int ("free_list_max", 1024); mca_btl_gm_component.gm_free_list_inc = mca_btl_gm_param_register_int ("free_list_inc", 32); mca_btl_gm_component.gm_mpool_name = mca_btl_gm_param_register_string("mpool", "gm"); mca_btl_gm_component.gm_max_ports = mca_btl_gm_param_register_int("max_ports", 16); mca_btl_gm_component.gm_max_boards = mca_btl_gm_param_register_int("max_boards", 4); mca_btl_gm_component.gm_max_btls = mca_btl_gm_param_register_int("max_modules", 4); mca_btl_gm_component.gm_num_high_priority = mca_btl_gm_param_register_int("num_high_priority", 8); /* register gm module parameters */ mca_btl_gm_module.super.btl_exclusivity = mca_btl_gm_param_register_int ("exclusivity", 0); mca_btl_gm_module.super.btl_eager_limit = mca_btl_gm_param_register_int ("eager_limit", 64*1024) - sizeof(mca_btl_base_header_t); mca_btl_gm_module.super.btl_min_send_size = mca_btl_gm_param_register_int ("min_send_size", 64*1024) - sizeof(mca_btl_base_header_t); mca_btl_gm_module.super.btl_max_send_size = mca_btl_gm_param_register_int ("max_send_size", 128*1024) - sizeof(mca_btl_base_header_t); mca_btl_gm_module.super.btl_min_rdma_size = mca_btl_gm_param_register_int("min_rdma_size", 1024*1024); mca_btl_gm_module.super.btl_max_rdma_size = mca_btl_gm_param_register_int("max_rdma_size", 1024*1024); #if OMPI_MCA_BTL_GM_HAVE_RDMA_PUT mca_btl_gm_module.super.btl_flags = mca_btl_gm_param_register_int("flags", MCA_BTL_FLAGS_RDMA); #else mca_btl_gm_module.super.btl_flags = mca_btl_gm_param_register_int("flags", MCA_BTL_FLAGS_SEND); #endif return OMPI_SUCCESS; } /* * component cleanup - sanity checking of queue lengths */ int mca_btl_gm_component_close(void) { return OMPI_SUCCESS; } /** * Initialize module instance */ static int mca_btl_gm_module_init (mca_btl_gm_module_t * btl) { mca_mpool_base_resources_t resources; size_t num_high_priority; size_t i; int rc; /* initialize objects */ OBJ_CONSTRUCT(&btl->gm_frag_eager, ompi_free_list_t); OBJ_CONSTRUCT(&btl->gm_frag_max, ompi_free_list_t); OBJ_CONSTRUCT(&btl->gm_frag_user, ompi_free_list_t); OBJ_CONSTRUCT(&btl->gm_pending, ompi_list_t); OBJ_CONSTRUCT(&btl->gm_lock, ompi_mutex_t); /* query nic tokens */ btl->gm_num_send_tokens = gm_num_send_tokens (btl->gm_port); btl->gm_max_send_tokens = btl->gm_num_send_tokens; btl->gm_num_recv_tokens = gm_num_receive_tokens (btl->gm_port); btl->gm_max_recv_tokens = btl->gm_num_recv_tokens; /* dont allow high priority to exceed 1/2 of available send tokens */ num_high_priority = mca_btl_gm_component.gm_num_high_priority; if(num_high_priority > (btl->gm_num_send_tokens >> 1)) { num_high_priority = btl->gm_num_send_tokens >> 1; } /* initialize memory pool */ resources.gm_port = btl->gm_port; btl->gm_mpool = mca_mpool_base_module_create( mca_btl_gm_component.gm_mpool_name, &btl->super, &resources); if(NULL == btl->gm_mpool) { ompi_output (0, "[%s:%d] unable to initialize mpool", __FILE__, __LINE__); return OMPI_ERROR; } /* initialize free lists */ ompi_free_list_init( &btl->gm_frag_eager, sizeof (mca_btl_gm_frag_eager_t), OBJ_CLASS (mca_btl_gm_frag_eager_t), mca_btl_gm_component.gm_free_list_num, mca_btl_gm_component.gm_free_list_max, mca_btl_gm_component.gm_free_list_inc, btl->gm_mpool ); ompi_free_list_init( &btl->gm_frag_max, sizeof (mca_btl_gm_frag_max_t), OBJ_CLASS (mca_btl_gm_frag_max_t), mca_btl_gm_component.gm_free_list_num, mca_btl_gm_component.gm_free_list_max, mca_btl_gm_component.gm_free_list_inc, btl->gm_mpool ); ompi_free_list_init( &btl->gm_frag_user, sizeof (mca_btl_gm_frag_user_t), OBJ_CLASS (mca_btl_gm_frag_user_t), mca_btl_gm_component.gm_free_list_num, mca_btl_gm_component.gm_free_list_max, mca_btl_gm_component.gm_free_list_inc, btl->gm_mpool ); /* post receive buffers */ for(i=0; igm_port, frag->hdr, frag->size, GM_HIGH_PRIORITY); } for(i=mca_btl_gm_component.gm_num_high_priority; igm_max_recv_tokens; i++) { mca_btl_gm_frag_t* frag; MCA_BTL_GM_FRAG_ALLOC_MAX(btl, frag, rc); if(NULL == frag) { return rc; } gm_provide_receive_buffer(btl->gm_port, frag->hdr, frag->size, GM_LOW_PRIORITY); } /* enable rdma */ if( GM_SUCCESS != gm_allow_remote_memory_access (btl->gm_port) ) { ompi_output (0, "[%s:%d] unable to allow remote memory access", __FILE__, __LINE__); return OMPI_ERROR; } return OMPI_SUCCESS; } /* * Scan all ports on the boards. As it's difficult to find the total number of boards * so we use a predefined maximum. */ static int mca_btl_gm_discover( void ) { uint32_t board_no; uint32_t port_no; uint32_t local_id; struct gm_port* gm_port; #if GM_API_VERSION > 0x200 uint32_t global_id; #else char global_id[GM_MAX_HOST_NAME_LEN]; #endif /* GM_API_VERSION > 0x200 */ int rc; for( board_no = 0; board_no < mca_btl_gm_component.gm_max_boards; board_no++ ) { mca_btl_gm_module_t *btl; /* open the first available gm port for this board */ for( port_no = 2; port_no < mca_btl_gm_component.gm_max_ports; port_no++ ) { if (3 == port_no) { continue; /* port 0,1,3 reserved */ } else if (GM_SUCCESS == gm_open(&gm_port, board_no, port_no, mca_btl_gm_component.gm_port_name, GM_API_VERSION) ) { break; } } if( port_no == mca_btl_gm_component.gm_max_ports ) { continue; } /* Get node local Id */ if( GM_SUCCESS != gm_get_node_id( gm_port, &local_id) ) { ompi_output (0, " failure to get local_id \n"); continue; } /* Gather an unique id for the node */ #if GM_API_VERSION > 0x200 if (GM_SUCCESS != gm_node_id_to_global_id( gm_port, local_id, &global_id) ) { ompi_output (0, "[%s:%d] Unable to get my GM global unique id", __FILE__, __LINE__); continue; } #else if( GM_SUCCESS != gm_get_host_name( gm_port, global_id ) ) { ompi_output( 0, "[%s:%d] Unable to get the GM host name\n", __FILE__, __LINE__); continue; } #endif /* GM_API_VERSION > 0x200 */ /* create the btl module */ btl = (mca_btl_gm_module_t *)malloc( sizeof(mca_btl_gm_module_t) ); if (NULL == btl) { ompi_output( 0, "[%s:%d] out of resources", __FILE__, __LINE__); return OMPI_ERR_OUT_OF_RESOURCE; } /* copy the basic informations into the new BTL */ memcpy (btl, &mca_btl_gm_module, sizeof(mca_btl_gm_module_t)); /* setup local address */ btl->gm_port = gm_port; btl->gm_addr.port_id = port_no; btl->gm_addr.local_id = local_id; #if GM_API_VERSION > 0x200 btl->gm_addr.global_id = global_id; #else strncpy( btl->gm_addr.global_id, global_id, GM_MAX_HOST_NAME_LEN ); #endif /* GM_API_VERSION > 0x200 */ if((rc = mca_btl_gm_module_init(btl)) != OMPI_SUCCESS) { ompi_output(0, "[%s:%d] unable to initialze gm port", __FILE__, __LINE__); return rc; } /* everything is OK let's mark it as usable and go to the next one */ mca_btl_gm_component.gm_btls[mca_btl_gm_component.gm_num_btls++] = btl; if(mca_btl_gm_component.gm_num_btls >= mca_btl_gm_component.gm_max_btls ) { break; } } return OMPI_SUCCESS; } /* * Register GM component addressing information. The MCA framework * will make this available to all peers. */ static int mca_btl_gm_modex_send(void) { int rc; size_t i; size_t size; mca_btl_gm_addr_t *addrs; size = mca_btl_gm_component.gm_num_btls * sizeof (mca_btl_gm_addr_t); addrs = (mca_btl_gm_addr_t *)malloc (size); if (NULL == addrs) { return OMPI_ERR_OUT_OF_RESOURCE; } for (i = 0; i < mca_btl_gm_component.gm_num_btls; i++) { mca_btl_gm_module_t *btl = mca_btl_gm_component.gm_btls[i]; addrs[i] = btl->gm_addr; } rc = mca_base_modex_send (&mca_btl_gm_component.super.btl_version, addrs, size); free (addrs); return rc; } /* * Initialize the GM component, * check how many boards are available and open ports on them. */ mca_btl_base_module_t ** mca_btl_gm_component_init (int *num_btl_modules, bool enable_progress_threads, bool enable_mpi_threads) { mca_btl_base_module_t **btls; *num_btl_modules = 0; /* s try to initialize GM */ if( GM_SUCCESS != gm_init() ) { ompi_output( 0, "[%s:%d] error in initializing the gm library\n", __FILE__, __LINE__ ); return NULL; } /* First discover all available boards. For each board we create a unique BTL */ mca_btl_gm_component.gm_btls = malloc( mca_btl_gm_component.gm_max_btls * sizeof (mca_btl_gm_module_t *)); if (NULL == mca_btl_gm_component.gm_btls) { ompi_output( 0, "[%s:%d] out of resources.", __FILE__, __LINE__ ); return NULL; } /* initialize gm */ if (OMPI_SUCCESS != mca_btl_gm_discover()) { return NULL; } if (mca_btl_gm_component.gm_num_btls == 0) { return NULL; } /* publish GM parameters with the MCA framework */ if (OMPI_SUCCESS != mca_btl_gm_modex_send()) { return NULL; } /* return array of BTLs */ btls = (mca_btl_base_module_t**) malloc ( mca_btl_gm_component.gm_num_btls * sizeof(mca_btl_base_module_t *)); if (NULL == btls) { return NULL; } memcpy(btls, mca_btl_gm_component.gm_btls, mca_btl_gm_component.gm_num_btls * sizeof(mca_btl_gm_module_t *)); *num_btl_modules = mca_btl_gm_component.gm_num_btls; return btls; } /* * GM component progress. */ int mca_btl_gm_component_progress() { int count = 0; size_t i; for( i = 0; i < mca_btl_gm_component.gm_num_btls; ) { mca_btl_gm_module_t* btl = mca_btl_gm_component.gm_btls[i]; gm_recv_event_t* event = gm_receive(btl->gm_port); unsigned char* buffer = (unsigned char*)gm_ntohp(event->recv.buffer); mca_btl_gm_frag_t* frag = (mca_btl_gm_frag_t*)(buffer - sizeof(mca_btl_gm_frag_t)); mca_btl_base_header_t* hdr; uint32_t priority = GM_HIGH_PRIORITY; /* If there are no receive events just skip the function call */ switch(gm_ntohc(event->recv.type)) { case GM_FAST_RECV_EVENT: case GM_FAST_PEER_RECV_EVENT: priority = GM_LOW_PRIORITY; case GM_FAST_HIGH_RECV_EVENT: case GM_FAST_HIGH_PEER_RECV_EVENT: { mca_btl_base_recv_reg_t* reg; hdr = (mca_btl_base_header_t *)gm_ntohp(event->recv.message); reg = &btl->gm_reg[hdr->tag]; reg->cbfunc(&btl->super, hdr->tag, &frag->base, reg->cbdata); gm_provide_receive_buffer(btl->gm_port, buffer, frag->size, priority); count++; break; } case GM_RECV_EVENT: case GM_PEER_RECV_EVENT: priority = GM_LOW_PRIORITY; case GM_HIGH_RECV_EVENT: case GM_HIGH_PEER_RECV_EVENT: { mca_btl_base_recv_reg_t* reg; hdr = (mca_btl_base_header_t*)buffer; reg = &btl->gm_reg[hdr->tag]; reg->cbfunc(&btl->super, hdr->tag, &frag->base, reg->cbdata); gm_provide_receive_buffer(btl->gm_port, buffer, frag->size, priority); count++; break; } case GM_NO_RECV_EVENT: i++; break; default: gm_unknown(btl->gm_port, event); break; } } return count; }