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openmpi/opal/mca/btl/uct/btl_uct_rdma.h

63 строки
2.3 KiB
C
Исходник Обычный вид История

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