4d92c9989e
This commit does two things. It removes checks for C99 required headers (stdlib.h, string.h, signal.h, etc). Additionally it removes definitions for required C99 types (intptr_t, int64_t, int32_t, etc). Signed-off-by: Nathan Hjelm <hjelmn@me.com>
270 строки
11 KiB
C
270 строки
11 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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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) 2006-2007 Voltaire. All rights reserved.
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* Copyright (c) 2009-2010 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2010-2015 Los Alamos National Security, LLC. All rights
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* 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_VADER_H
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#define MCA_BTL_VADER_H
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#include "opal_config.h"
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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# include <stdint.h>
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#ifdef HAVE_SCHED_H
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# include <sched.h>
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#endif /* HAVE_SCHED_H */
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#include "opal/mca/shmem/base/base.h"
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#include "opal/class/opal_free_list.h"
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#include "opal/sys/atomic.h"
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#include "opal/mca/btl/btl.h"
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#include "opal/mca/mpool/mpool.h"
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#include "opal/mca/mpool/base/base.h"
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#include "opal/mca/btl/base/base.h"
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#include "opal/mca/rcache/rcache.h"
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#include "opal/mca/rcache/base/base.h"
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#include "opal/mca/btl/base/btl_base_error.h"
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#include "opal/util/proc.h"
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#include "btl_vader_endpoint.h"
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#include "opal/mca/pmix/pmix.h"
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#include "btl_vader_xpmem.h"
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#include "btl_vader_knem.h"
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BEGIN_C_DECLS
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#define min(a,b) ((a) < (b) ? (a) : (b))
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/*
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* Shared Memory resource managment
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*/
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struct vader_fifo_t;
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/*
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* Modex data
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*/
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union vader_modex_t {
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#if OPAL_BTL_VADER_HAVE_XPMEM
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struct vader_modex_xpmem_t {
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xpmem_segid_t seg_id;
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void *segment_base;
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} xpmem;
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#endif
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opal_shmem_ds_t seg_ds;
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};
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/**
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* Single copy mechanisms
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*/
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enum {
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MCA_BTL_VADER_XPMEM = 0,
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MCA_BTL_VADER_CMA = 1,
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MCA_BTL_VADER_KNEM = 2,
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MCA_BTL_VADER_NONE = 3,
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};
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/**
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* Shared Memory (VADER) BTL module.
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*/
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struct mca_btl_vader_component_t {
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mca_btl_base_component_3_0_0_t super; /**< base BTL component */
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int vader_free_list_num; /**< initial size of free lists */
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int vader_free_list_max; /**< maximum size of free lists */
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int vader_free_list_inc; /**< number of elements to alloc when growing free lists */
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#if OPAL_BTL_VADER_HAVE_XPMEM
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xpmem_segid_t my_seg_id; /**< this rank's xpmem segment id */
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#endif
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opal_shmem_ds_t seg_ds; /**< this rank's shared memory segment (when not using xpmem) */
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opal_mutex_t lock; /**< lock to protect concurrent updates to this structure's members */
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char *my_segment; /**< this rank's base pointer */
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size_t segment_size; /**< size of my_segment */
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size_t segment_offset; /**< start of unused portion of my_segment */
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int32_t num_smp_procs; /**< current number of smp procs on this host */
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opal_free_list_t vader_frags_eager; /**< free list of vader send frags */
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opal_free_list_t vader_frags_max_send; /**< free list of vader max send frags (large fragments) */
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opal_free_list_t vader_frags_user; /**< free list of small inline frags */
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unsigned int fbox_threshold; /**< number of sends required before we setup a send fast box for a peer */
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unsigned int fbox_max; /**< maximum number of send fast boxes to allocate */
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unsigned int fbox_size; /**< size of each peer fast box allocation */
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unsigned int fbox_count; /**< number of send fast boxes allocated */
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int single_copy_mechanism; /**< single copy mechanism to use */
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int memcpy_limit; /**< Limit where we switch from memmove to memcpy */
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int log_attach_align; /**< Log of the alignment for xpmem segments */
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unsigned int max_inline_send; /**< Limit for copy-in-copy-out fragments */
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mca_btl_base_endpoint_t *endpoints; /**< array of local endpoints (one for each local peer including myself) */
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mca_btl_base_endpoint_t **fbox_in_endpoints; /**< array of fast box in endpoints */
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unsigned int num_fbox_in_endpoints; /**< number of fast boxes to poll */
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struct vader_fifo_t *my_fifo; /**< pointer to the local fifo */
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opal_list_t pending_endpoints; /**< list of endpoints with pending fragments */
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opal_list_t pending_fragments; /**< fragments pending remote completion */
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/* knem stuff */
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#if OPAL_BTL_VADER_HAVE_KNEM
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unsigned int knem_dma_min; /**< minimum size to enable DMA for knem transfers (0 disables) */
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#endif
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};
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typedef struct mca_btl_vader_component_t mca_btl_vader_component_t;
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OPAL_MODULE_DECLSPEC extern mca_btl_vader_component_t mca_btl_vader_component;
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/**
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* VADER BTL Interface
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*/
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struct mca_btl_vader_t {
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mca_btl_base_module_t super; /**< base BTL interface */
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bool btl_inited; /**< flag indicating if btl has been inited */
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mca_btl_base_module_error_cb_fn_t error_cb;
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#if OPAL_BTL_VADER_HAVE_KNEM
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int knem_fd;
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#endif
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};
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typedef struct mca_btl_vader_t mca_btl_vader_t;
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OPAL_MODULE_DECLSPEC extern mca_btl_vader_t mca_btl_vader;
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/* number of peers on the node (not including self) */
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#define MCA_BTL_VADER_NUM_LOCAL_PEERS opal_process_info.num_local_peers
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/* local rank in the group */
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#define MCA_BTL_VADER_LOCAL_RANK opal_process_info.my_local_rank
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/* memcpy is faster at larger sizes but is undefined if the
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pointers are aliased (TODO -- readd alias check) */
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static inline void vader_memmove (void *dst, void *src, size_t size)
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{
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if (size >= (size_t) mca_btl_vader_component.memcpy_limit) {
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memcpy (dst, src, size);
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} else {
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memmove (dst, src, size);
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}
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}
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/**
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* Initiate a send to the peer.
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*
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* @param btl (IN) BTL module
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* @param peer (IN) BTL peer addressing
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*/
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int mca_btl_vader_send(struct mca_btl_base_module_t *btl,
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struct mca_btl_base_endpoint_t *endpoint,
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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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* Initiate an inline send to the peer.
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*
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* @param btl (IN) BTL module
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* @param peer (IN) BTL peer addressing
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*/
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int mca_btl_vader_sendi (struct mca_btl_base_module_t *btl,
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struct mca_btl_base_endpoint_t *endpoint,
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struct opal_convertor_t *convertor,
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void *header, size_t header_size,
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size_t payload_size, uint8_t order,
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uint32_t flags, mca_btl_base_tag_t tag,
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mca_btl_base_descriptor_t **descriptor);
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/**
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* Initiate an synchronous 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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#if OPAL_BTL_VADER_HAVE_XPMEM
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int mca_btl_vader_put_xpmem (mca_btl_base_module_t *btl, mca_btl_base_endpoint_t *endpoint, void *local_address,
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uint64_t remote_address, mca_btl_base_registration_handle_t *local_handle,
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mca_btl_base_registration_handle_t *remote_handle, size_t size, int flags,
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int order, mca_btl_base_rdma_completion_fn_t cbfunc, void *cbcontext, void *cbdata);
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#endif
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#if OPAL_BTL_VADER_HAVE_CMA
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int mca_btl_vader_put_cma (mca_btl_base_module_t *btl, mca_btl_base_endpoint_t *endpoint, void *local_address,
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uint64_t remote_address, mca_btl_base_registration_handle_t *local_handle,
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mca_btl_base_registration_handle_t *remote_handle, size_t size, int flags,
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int order, mca_btl_base_rdma_completion_fn_t cbfunc, void *cbcontext, void *cbdata);
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#endif
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#if OPAL_BTL_VADER_HAVE_KNEM
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int mca_btl_vader_put_knem (mca_btl_base_module_t *btl, mca_btl_base_endpoint_t *endpoint, void *local_address,
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uint64_t remote_address, mca_btl_base_registration_handle_t *local_handle,
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mca_btl_base_registration_handle_t *remote_handle, size_t size, int flags,
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int order, mca_btl_base_rdma_completion_fn_t cbfunc, void *cbcontext, void *cbdata);
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#endif
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/**
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* Initiate an synchronous 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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#if OPAL_BTL_VADER_HAVE_XPMEM
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int mca_btl_vader_get_xpmem (mca_btl_base_module_t *btl, mca_btl_base_endpoint_t *endpoint, void *local_address,
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uint64_t remote_address, mca_btl_base_registration_handle_t *local_handle,
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mca_btl_base_registration_handle_t *remote_handle, size_t size, int flags,
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int order, mca_btl_base_rdma_completion_fn_t cbfunc, void *cbcontext, void *cbdata);
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#endif
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#if OPAL_BTL_VADER_HAVE_CMA
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int mca_btl_vader_get_cma (mca_btl_base_module_t *btl, mca_btl_base_endpoint_t *endpoint, void *local_address,
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uint64_t remote_address, mca_btl_base_registration_handle_t *local_handle,
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mca_btl_base_registration_handle_t *remote_handle, size_t size, int flags,
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int order, mca_btl_base_rdma_completion_fn_t cbfunc, void *cbcontext, void *cbdata);
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#endif
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#if OPAL_BTL_VADER_HAVE_KNEM
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int mca_btl_vader_get_knem (mca_btl_base_module_t *btl, mca_btl_base_endpoint_t *endpoint, void *local_address,
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uint64_t remote_address, mca_btl_base_registration_handle_t *local_handle,
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mca_btl_base_registration_handle_t *remote_handle, size_t size, int flags,
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int order, mca_btl_base_rdma_completion_fn_t cbfunc, void *cbcontext, void *cbdata);
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#endif
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/**
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* Allocate a segment.
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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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mca_btl_base_descriptor_t* mca_btl_vader_alloc (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, size_t size, uint32_t flags);
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END_C_DECLS
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#endif
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