xref: /gem5/src/gpu-compute/ndrange.hh

/*
 * Copyright (c) 2012-2015 Advanced Micro Devices, Inc.
 * All rights reserved.
 *
 * For use for simulation and test purposes only
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * Author: Steve Reinhardt
 */

#ifndef __NDRANGE_HH__
#define __NDRANGE_HH__

#include "base/types.hh"
#include "gpu-compute/qstruct.hh"

struct NDRange
{
    // copy of the queue entry provided at dispatch
    HsaQueueEntry q;

    // The current workgroup id (3 dimensions)
    int wgId[3];
    // The number of workgroups in each dimension
    int numWg[3];
    // The total number of workgroups
    int numWgTotal;

    // The number of completed work groups
    int numWgCompleted;
    // The global workgroup ID
    uint32_t globalWgId;

    // flag indicating whether all work groups have been launched
    bool wg_disp_rem;
    // kernel complete
    bool execDone;
    bool userDoorBellSet;
    volatile bool *addrToNotify;
    volatile uint32_t *numDispLeft;
    int dispatchId;
    int curCid; // Current context id
};

#endif // __NDRANGE_HH__