/*
 * Copyright (c) 2019      The University of Tennessee and The University
 *                         of Tennessee Research Foundation.  All rights
 *                         reserved.
 * Copyright (c) 2019      Arm Ltd.  All rights reserved.
 * Copyright (c) 2024      NVIDIA Corporation.  All rights reserved.
 *
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 */

#ifndef MCA_OP_AARCH64_EXPORT_H
#define MCA_OP_AARCH64_EXPORT_H

#include "ompi_config.h"

#include "ompi/mca/mca.h"
#include "opal/class/opal_object.h"

#include "ompi/mca/op/op.h"

BEGIN_C_DECLS

/**
 * Derive a struct from the base op component struct, allowing us to
 * cache some component-specific information on our well-known
 * component struct.
 */
typedef struct {
    /** The base op component struct */
    ompi_op_base_component_1_0_0_t super;

    /* What follows is aarch64-component-specific cached information.  We
       tend to use this scheme (caching information on the aarch64
       component itself) instead of lots of individual global
       variables for the component.  */

    /** A simple boolean indicating that the hardware is available. */
    uint32_t hardware_available;

    /** A simple boolean indicating whether double precision is
        supported. */
    bool double_supported;
} ompi_op_aarch64_component_t;

/**
 * Globally exported variable.  Note that it is a *aarch64* component
 * (defined above), which has the ompi_op_base_component_t as its
 * first member.  Hence, the MCA/op framework will find the data that
 * it expects in the first memory locations, but then the component
 * itself can cache additional information after that that can be used
 * by both the component and modules.
 */
OMPI_DECLSPEC extern ompi_op_aarch64_component_t
    mca_op_aarch64_component;

END_C_DECLS

#endif /* MCA_OP_AARCH64_EXPORT_H */