77 строки
2.6 KiB
C
77 строки
2.6 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2014-2018 Los Alamos National Security, LLC. All rights
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* reserved.
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* $COPYRIGHT$
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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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#if !defined(BTL_UCT_RDMA_H)
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#define BTL_UCT_RDMA_H
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#include "btl_uct.h"
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#include "btl_uct_endpoint.h"
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#include "btl_uct_frag.h"
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/**
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* @brief allocate a callback structure
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*/
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mca_btl_uct_uct_completion_t *mca_btl_uct_uct_completion_alloc (mca_btl_uct_module_t *btl, mca_btl_base_endpoint_t *endpoint,
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void *local_address, mca_btl_base_registration_handle_t *local_handle,
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mca_btl_uct_device_context_t *dev_context, mca_btl_base_rdma_completion_fn_t cbfunc,
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void *cbcontext, void *cbdata);
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/**
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* @brief release a callback structure
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*/
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void mca_btl_uct_uct_completion_release (mca_btl_uct_uct_completion_t *comp);
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void mca_btl_uct_uct_completion (uct_completion_t *uct_comp, ucs_status_t status);
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/**
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* @brief unpack the registration key and ensure the endpoint is connected
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*
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* @param[in] module uct btl module
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* @param[in] context device context to use
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* @param[in] endpoint btl endpoint
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* @param[in] remote_handle buffer containing remote handle data
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* @param[inout] rkey uct registration key bundle
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* @param[out] ep_handle uct endpoint handle
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*/
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static inline int mca_btl_uct_get_rkey (mca_btl_uct_module_t *module,
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mca_btl_uct_device_context_t *context,
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mca_btl_base_endpoint_t *endpoint,
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mca_btl_base_registration_handle_t *remote_handle,
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uct_rkey_bundle_t *rkey,
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uct_ep_h *ep_handle)
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{
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ucs_status_t ucs_status;
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int rc;
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rc = mca_btl_uct_endpoint_check_rdma (module, endpoint, context, ep_handle);
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if (OPAL_SUCCESS != rc) {
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return rc;
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}
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#if UCT_API >= UCT_VERSION(1, 7)
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ucs_status = uct_rkey_unpack (module->uct_component, (void *) remote_handle, rkey);
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#else
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ucs_status = uct_rkey_unpack ((void *) remote_handle, rkey);
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#endif
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return (UCS_OK == ucs_status) ? OPAL_SUCCESS : OPAL_ERROR;
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}
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static inline void mca_btl_uct_rkey_release (mca_btl_uct_module_t *uct_btl, uct_rkey_bundle_t *rkey)
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{
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#if UCT_API >= UCT_VERSION(1, 7)
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uct_rkey_release (uct_btl->uct_component, rkey);
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#else
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(void) uct_btl;
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uct_rkey_release (rkey);
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#endif
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}
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#endif /* !defined(BTL_UCT_RDMA_H) */
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