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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2016 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2006 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2017 Intel, Inc. All rights reserved
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef PML_CM_REQUEST_H
#define PML_CM_REQUEST_H
#include "ompi/mca/pml/base/pml_base_sendreq.h"
#include "ompi/mca/pml/base/pml_base_bsend.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/mca/mtl/mtl.h"
/**
* Type of request.
*/
typedef enum {
MCA_PML_CM_REQUEST_SEND_HEAVY,
MCA_PML_CM_REQUEST_SEND_THIN,
MCA_PML_CM_REQUEST_RECV_HEAVY,
MCA_PML_CM_REQUEST_RECV_THIN,
MCA_PML_CM_REQUEST_NULL
} mca_pml_cm_request_type_t;
/**
* Base type for PML CM P2P requests
*/
struct mca_pml_cm_request_t {
/* START: These fields have to match the definition of the mca_pml_base_request_t */
ompi_request_t req_ompi; /**< base request */
volatile int32_t req_pml_complete; /**< flag indicating if the pt-2-pt layer is done with this request */
volatile int32_t req_free_called; /**< flag indicating if the user has freed this request */
mca_pml_cm_request_type_t req_pml_type;
struct ompi_communicator_t *req_comm; /**< communicator pointer */
struct ompi_datatype_t *req_datatype; /**< pointer to data type */
opal_convertor_t req_convertor; /**< convertor that describes the memory layout */
/* END: These fields have to match the definition of the mca_pml_base_request_t */
};
typedef struct mca_pml_cm_request_t mca_pml_cm_request_t;
OBJ_CLASS_DECLARATION(mca_pml_cm_request_t);
/*
* Avoid accelerator convertor inits only for contiguous memory and if indicated by
* the MTL. For non-contiguous memory, do not skip accelerator convertor init phases.
*/
#define MCA_PML_CM_SWITCH_ACCELERATOR_CONVERTOR_OFF(flags, datatype, count) \
{ \
if (opal_datatype_is_contiguous_memory_layout(&datatype->super, count) \
&& (ompi_mtl->mtl_flags & MCA_MTL_BASE_FLAG_ACCELERATOR_INIT_DISABLE)) { \
flags |= CONVERTOR_SKIP_ACCELERATOR_INIT; \
} \
}
#endif
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