/*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2005 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) 2004-2005 The Regents of the University of California.
 *                         All rights reserved.
 * Copyright (c) 2008      UT-Battelle, LLC. All rights reserved.
 * Copyright (c) 2014      Bull SAS.  All rights reserved.
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 */

#include "opal_config.h"

#include "btl_portals4.h"
#include "btl_portals4_frag.h"

static void mca_btl_portals4_frag_common_send_constructor(mca_btl_portals4_frag_t *frag)
{
    frag->base.des_flags = 0;
    frag->base.des_segments = &frag->segments[0].base;
    frag->base.des_segment_count = 2;

    frag->segments[0].base.seg_addr.pval = frag + 1;
    frag->segments[0].base.seg_len = frag->size;
    frag->segments[0].key = 0;

    frag->me_h = PTL_INVALID_HANDLE;
}

static void mca_btl_portals4_frag_eager_constructor(mca_btl_portals4_frag_t *frag)
{
    frag->size = mca_btl_portals4_module.super.btl_eager_limit;
    mca_btl_portals4_frag_common_send_constructor(frag);
    frag->type = BTL_PORTALS4_FRAG_TYPE_EAGER;
}

static void mca_btl_portals4_frag_eager_destructor(mca_btl_portals4_frag_t *frag)
{
    if (PTL_INVALID_HANDLE != frag->me_h) {
        PtlMEUnlink(frag->me_h);
        frag->me_h = PTL_INVALID_HANDLE;
    }
}

static void mca_btl_portals4_frag_max_constructor(mca_btl_portals4_frag_t *frag)
{
    frag->size = mca_btl_portals4_module.super.btl_max_send_size;
    mca_btl_portals4_frag_common_send_constructor(frag);
    frag->type = BTL_PORTALS4_FRAG_TYPE_MAX;
}

static void mca_btl_portals4_frag_user_constructor(mca_btl_portals4_frag_t *frag)
{
    frag->base.des_flags = 0;
    frag->size = 0;
    frag->type = BTL_PORTALS4_FRAG_TYPE_USER;
}

OBJ_CLASS_INSTANCE(mca_btl_portals4_frag_t, mca_btl_base_descriptor_t, NULL, NULL);

OBJ_CLASS_INSTANCE(mca_btl_portals4_frag_eager_t, mca_btl_base_descriptor_t,
                   mca_btl_portals4_frag_eager_constructor, mca_btl_portals4_frag_eager_destructor);

OBJ_CLASS_INSTANCE(mca_btl_portals4_frag_max_t, mca_btl_base_descriptor_t,
                   mca_btl_portals4_frag_max_constructor, NULL);

OBJ_CLASS_INSTANCE(mca_btl_portals4_frag_user_t, mca_btl_base_descriptor_t,
                   mca_btl_portals4_frag_user_constructor, NULL);