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openmpi/ompi/mca/btl/ugni/btl_ugni_smsg.h
2012-03-15 20:13:32 +00:00

64 строки
2.0 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2011-2012 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2011 UT-Battelle, LLC. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#if !defined(MCA_BTL_UGNI_SMSG_H)
#define MCA_BTL_UGNI_SMSG_H
#include "btl_ugni.h"
#include "btl_ugni_endpoint.h"
typedef enum {
MCA_BTL_UGNI_TAG_SEND,
MCA_BTL_UGNI_TAG_DISCONNECT,
MCA_BTL_UGNI_TAG_PUT_INIT,
MCA_BTL_UGNI_TAG_GET_INIT,
MCA_BTL_UGNI_TAG_RDMA_COMPLETE
} mca_btl_ugni_smsg_tag_t;
static inline int ompi_mca_btl_ugni_smsg_send (mca_btl_ugni_base_frag_t *frag,
const bool ignore_local_comp,
void *hdr, size_t hdr_len,
void *payload, size_t payload_len,
mca_btl_ugni_smsg_tag_t tag) {
gni_return_t grc;
int rc;
if (!ignore_local_comp) {
rc = opal_hash_table_set_value_uint32 (&frag->endpoint->btl->pending_smsg_frags,
frag->msg_id, (void *) frag);
if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
return rc;
}
}
grc = GNI_SmsgSendWTag (frag->endpoint->common->ep_handle, hdr, hdr_len, payload, payload_len,
ignore_local_comp ? (uint32_t)-1 : frag->msg_id, tag);
if (OPAL_UNLIKELY(GNI_RC_SUCCESS != grc)) {
BTL_VERBOSE(("GNI_SmsgSendWTag failed with rc = %d", rc));
opal_hash_table_remove_value_uint32 (&frag->endpoint->btl->pending_smsg_frags,
frag->msg_id);
if (OPAL_LIKELY(GNI_RC_NOT_DONE == grc)) {
BTL_VERBOSE(("out of credits"));
return OMPI_ERR_OUT_OF_RESOURCE;
}
return OMPI_ERROR;
}
return OMPI_SUCCESS;
}
#endif /* MCA_BTL_UGNI_SMSG_H */