rocm-systems/tests/kfdtest/src/IndirectBuffer.cpp

/*
 * Copyright (C) 2014-2018 Advanced Micro Devices, Inc. All Rights Reserved.
 *
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 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 */

#include "IndirectBuffer.hpp"
#include "GoogleTestExtension.hpp"
#include "pm4_pkt_struct_common.h"
#include "PM4Packet.hpp"


IndirectBuffer::IndirectBuffer(PACKETTYPE type,  unsigned int sizeInDWords, unsigned int NodeId)
    :m_NumOfPackets(0), m_MaxSize(sizeInDWords), m_ActualSize(0), m_PacketTypeAllowed(type) {
    m_IndirectBuf = new HsaMemoryBuffer(sizeInDWords*sizeof(unsigned int), NodeId, true/*zero*/,
                                        false/*local*/, true/*exec*/);
}

IndirectBuffer::~IndirectBuffer(void) {
    delete m_IndirectBuf;
}

uint32_t *IndirectBuffer::AddPacket(const BasePacket &packet) {
    EXPECT_EQ(packet.PacketType(), m_PacketTypeAllowed) << "Cannot add a packet since packet type doesn't match queue";

    unsigned int writePtr = m_ActualSize;

    EXPECT_GE(m_MaxSize, packet.SizeInDWords() + writePtr) << "Cannot add a packet, not enough room";

    memcpy(m_IndirectBuf->As<unsigned int*>() + writePtr , packet.GetPacket(),  packet.SizeInBytes());
    m_ActualSize += packet.SizeInDWords();
    m_NumOfPackets++;

    return m_IndirectBuf->As<HSAuint32 *>() + writePtr;
}