mirror of https://gitee.com/openkylin/openmpi.git
118 lines
3.7 KiB
C
118 lines
3.7 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2012 Sandia National Laboratories. All rights reserved.
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* Copyright (c) 2014-2018 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2019 Triad 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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#ifndef OMPI_OSC_RDMA_REQUEST_H
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#define OMPI_OSC_RDMA_REQUEST_H
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#include "osc_rdma.h"
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enum ompi_osc_rdma_request_type_t {
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OMPI_OSC_RDMA_TYPE_GET,
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OMPI_OSC_RDMA_TYPE_PUT,
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OMPI_OSC_RDMA_TYPE_RDMA,
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OMPI_OSC_RDMA_TYPE_ACC,
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OMPI_OSC_RDMA_TYPE_GET_ACC,
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OMPI_OSC_RDMA_TYPE_CSWAP,
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};
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typedef enum ompi_osc_rdma_request_type_t ompi_osc_rdma_request_type_t;
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struct ompi_osc_rdma_request_t;
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typedef void (*ompi_osc_rdma_request_cleanup_fn_t) (struct ompi_osc_rdma_request_t *);
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struct ompi_osc_rdma_request_t {
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ompi_request_t super;
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ompi_osc_rdma_peer_t *peer;
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ompi_osc_rdma_request_cleanup_fn_t cleanup;
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ompi_osc_rdma_request_type_t type;
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void *to_free;
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void *origin_addr;
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ompi_osc_rdma_module_t *module;
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volatile int32_t outstanding_requests;
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bool internal;
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ptrdiff_t offset;
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size_t len;
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void *ctx;
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void *frag;
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uint64_t target_address;
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struct ompi_osc_rdma_request_t *parent_request;
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/** synchronization object */
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struct ompi_osc_rdma_sync_t *sync;
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void *buffer;
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};
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typedef struct ompi_osc_rdma_request_t ompi_osc_rdma_request_t;
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OBJ_CLASS_DECLARATION(ompi_osc_rdma_request_t);
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/* REQUEST_ALLOC is only called from "top-level" functions (rdma_rput,
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rdma_rget, etc.), so it's ok to spin here... */
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#define OMPI_OSC_RDMA_REQUEST_ALLOC(rmodule, rpeer, req) \
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do { \
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(req) = OBJ_NEW(ompi_osc_rdma_request_t); \
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OMPI_REQUEST_INIT(&(req)->super, false); \
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(req)->super.req_mpi_object.win = (rmodule)->win; \
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(req)->super.req_state = OMPI_REQUEST_ACTIVE; \
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(req)->module = rmodule; \
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(req)->peer = (rpeer); \
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} while (0)
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#define OMPI_OSC_RDMA_REQUEST_RETURN(req) \
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do { \
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OMPI_REQUEST_FINI(&(req)->super); \
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free ((req)->buffer); \
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free (req); \
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} while (0)
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static inline void ompi_osc_rdma_request_complete (ompi_osc_rdma_request_t *request, int mpi_error);
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static inline void ompi_osc_rdma_request_deref (ompi_osc_rdma_request_t *request)
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{
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if (1 == OPAL_THREAD_FETCH_ADD32 (&request->outstanding_requests, -1)) {
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ompi_osc_rdma_request_complete (request, OMPI_SUCCESS);
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}
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}
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static inline void ompi_osc_rdma_request_complete (ompi_osc_rdma_request_t *request, int mpi_error)
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{
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ompi_osc_rdma_request_t *parent_request = request->parent_request;
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if (request->cleanup) {
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request->cleanup (request);
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}
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free (request->to_free);
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if (parent_request) {
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ompi_osc_rdma_request_deref (parent_request);
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}
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if (!request->internal) {
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request->super.req_status.MPI_ERROR = mpi_error;
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/* mark the request complete at the mpi level */
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ompi_request_complete (&request->super, true);
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} else {
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OMPI_OSC_RDMA_REQUEST_RETURN (request);
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}
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}
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#endif /* OMPI_OSC_RDMA_REQUEST_H */
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