Felix Kuehling
07b8c30ce8
This can be used for allocating space in the IB for write-back data in a NOP-packet with a payload. Change-Id: I6202b89a455a65326366a15291789004dfdcc0b9 Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
61 строка
2.4 KiB
C++
61 строка
2.4 KiB
C++
/*
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* Copyright (C) 2014-2018 Advanced Micro Devices, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __INDIRECT_BUFFER__H__
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#define __INDIRECT_BUFFER__H__
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#include "BasePacket.hpp"
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#include "KFDTestUtil.hpp"
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/** @class IndirectBuffer
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* When working with an indirect buffer, create IndirectBuffer, fill it with all the packets you want,
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* create an indirect packet to point to it, and submit the packet to queue
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*/
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class IndirectBuffer {
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public:
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// @param[size] Queue max size in DWords
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// @param[type] Packet type allowed in queue
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IndirectBuffer(PACKETTYPE type, unsigned int sizeInDWords, unsigned int NodeId);
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~IndirectBuffer(void);
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// @brief Add packet to queue, all validations are done with gtest ASSERT and EXPECT
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uint32_t *AddPacket(const BasePacket &packet);
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// @returns Actual size of the indirect queue in DWords, equivalent to write pointer
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unsigned int SizeInDWord() { return m_ActualSize; }
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// @returns Indirect queue address
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unsigned int *Addr() { return m_IndirectBuf->As<unsigned int*>(); }
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protected:
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// Number of packets in the queue
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unsigned int m_NumOfPackets;
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// Max size of queue in DWords
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unsigned int m_MaxSize;
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// Current size of queue in DWords
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unsigned int m_ActualSize;
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HsaMemoryBuffer *m_IndirectBuf;
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// What packets are supported in this queue
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PACKETTYPE m_PacketTypeAllowed;
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};
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#endif // __INDIRECT_BUFFER__H__
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