1bcc88cfb1
Create additional endpoint that is capable of true one sided RDMA transfers. MXM atomics component now uses this endpoint
179 строки
5.2 KiB
C
179 строки
5.2 KiB
C
/*
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* Copyright (c) 2013 Mellanox Technologies, Inc.
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* 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_SPML_UD_MXM_H
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#define MCA_SPML_UD_MXM_H
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#include "oshmem_config.h"
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#include "oshmem/request/request.h"
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#include "oshmem/mca/spml/spml.h"
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#include "oshmem/util/oshmem_util.h"
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#include "oshmem/mca/spml/base/spml_base_putreq.h"
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#include "oshmem/proc/proc.h"
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#include "oshmem/mca/spml/base/spml_base_request.h"
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#include "oshmem/mca/spml/base/spml_base_getreq.h"
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#include "ompi/mca/bml/base/base.h"
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#include "opal/class/ompi_free_list.h"
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#include "opal/class/opal_list.h"
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#include "orte/runtime/orte_globals.h"
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#include <mxm/api/mxm_api.h>
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#ifndef MXM_VERSION
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#define MXM_VERSION(major, minor) (((major)<<MXM_MAJOR_BIT)|((minor)<<MXM_MINOR_BIT))
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#endif
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#if MXM_API < MXM_VERSION(2,0)
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#include <mxm/api/mxm_addr.h>
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#include <mxm/api/mxm_stats.h>
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#endif
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#define MXM_SHMEM_MQ_ID 0x7119
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/* start request explicit ack once our buffer pool is less than watermark */
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#define SPML_IKRIT_PUT_LOW_WATER 16
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/* request explicit ack (SYNC) per every X put requests per connection */
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#define SPML_IKRIT_PACKETS_PER_SYNC 64
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BEGIN_C_DECLS
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/**
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* UD MXM SPML module
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*/
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struct mxm_peer {
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opal_list_item_t super;
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mxm_conn_h mxm_conn;
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mxm_conn_h mxm_hw_rdma_conn;
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int pe;
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int32_t n_active_puts;
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int need_fence;
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};
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typedef struct mxm_peer mxm_peer_t;
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OBJ_CLASS_DECLARATION(mxm_peer_t);
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struct mca_spml_ikrit_t {
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mca_spml_base_module_t super;
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mxm_context_opts_t *mxm_ctx_opts;
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mxm_ep_opts_t *mxm_ep_opts;
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mxm_ep_opts_t *mxm_ep_hw_rdma_opts;
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mxm_h mxm_context;
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mxm_ep_h mxm_ep;
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mxm_ep_h mxm_hw_rdma_ep;
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mxm_mq_h mxm_mq;
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mxm_peer_t **mxm_peers;
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int32_t n_active_puts;
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int32_t n_active_gets;
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int32_t n_mxm_fences;
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int priority; /* component priority */
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int free_list_num; /* initial size of free list */
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int free_list_max; /* maximum size of free list */
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int free_list_inc; /* number of elements to grow free list */
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int bulk_connect; /* use bulk connect */
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int bulk_disconnect; /* use bulk disconnect */
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bool enabled;
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opal_list_t active_peers;
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int n_relays; /* number of procs/node serving as relays */
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char *mxm_tls;
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int ud_only; /* only ud transport is used. In this case
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it is possible to speedup mkey exchange
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and not to register memheap */
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int hw_rdma_channel; /* true if we provide separate channel that
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has true one sided capability */
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int np;
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#if MXM_API >= MXM_VERSION(2,0)
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int unsync_conn_max;
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#endif
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};
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typedef struct mca_spml_ikrit_t mca_spml_ikrit_t;
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#define MXM_MAX_ADDR_LEN 512
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#if MXM_API >= MXM_VERSION(2,0)
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#define MXM_PTL_SHM 0
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#define MXM_PTL_RDMA 1
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#define MXM_PTL_LAST 2
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#endif
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typedef struct spml_ikrit_mxm_ep_conn_info_t {
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union {
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struct sockaddr_storage ptl_addr[MXM_PTL_LAST];
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char ep_addr[MXM_MAX_ADDR_LEN];
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} addr;
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} spml_ikrit_mxm_ep_conn_info_t;
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extern mca_spml_ikrit_t mca_spml_ikrit;
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extern int mca_spml_ikrit_enable(bool enable);
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extern int mca_spml_ikrit_get(void* dst_addr,
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size_t size,
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void* src_addr,
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int src);
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/* extension. used 4 fence implementation b4 fence was added to mxm */
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extern int mca_spml_ikrit_get_async(void *src_addr,
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size_t size,
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void *dst_addr,
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int src);
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extern int mca_spml_ikrit_put(void* dst_addr,
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size_t size,
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void* src_addr,
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int dst);
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extern int mca_spml_ikrit_put_nb(void* dst_addr,
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size_t size,
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void* src_addr,
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int dst,
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void **handle);
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extern int mca_spml_ikrit_recv(void* buf, size_t size, int src);
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extern int mca_spml_ikrit_send(void* buf,
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size_t size,
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int dst,
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mca_spml_base_put_mode_t mode);
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extern sshmem_mkey_t *mca_spml_ikrit_register(void* addr,
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size_t size,
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uint64_t shmid,
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int *count);
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extern int mca_spml_ikrit_deregister(sshmem_mkey_t *mkeys);
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extern int mca_spml_ikrit_oob_get_mkeys(int pe,
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uint32_t seg,
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sshmem_mkey_t *mkeys);
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extern int mca_spml_ikrit_add_procs(oshmem_proc_t** procs, size_t nprocs);
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extern int mca_spml_ikrit_del_procs(oshmem_proc_t** procs, size_t nprocs);
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extern int mca_spml_ikrit_fence(void);
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extern int spml_ikrit_progress(void);
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static inline oshmem_proc_t *mca_spml_ikrit_proc_find(int dst)
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{
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orte_process_name_t name;
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name.jobid = ORTE_PROC_MY_NAME->jobid;
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name.vpid = dst;
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return oshmem_proc_find(&name);
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}
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END_C_DECLS
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#endif
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