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/* -*- 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);
/**
* @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;
}
# if UCT_API >= UCT_VERSION(1, 7)
ucs_status = uct_rkey_unpack(module->uct_component, (void *) remote_handle, rkey);
# else
ucs_status = uct_rkey_unpack((void *) remote_handle, rkey);
# endif
return (UCS_OK == ucs_status) ? OPAL_SUCCESS : OPAL_ERROR;
}
static inline void mca_btl_uct_rkey_release(mca_btl_uct_module_t *uct_btl, uct_rkey_bundle_t *rkey)
{
# if UCT_API >= UCT_VERSION(1, 7)
uct_rkey_release(uct_btl->uct_component, rkey);
# else
(void) uct_btl;
uct_rkey_release(rkey);
# endif
}
#endif /* !defined(BTL_UCT_RDMA_H) */
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