Evgeny
443b15bc97
Change-Id: I24c358bfebacb5678fb3d31f2f94ae867a1c9ac9
[ROCm/rocprofiler commit: b481bfe5de]
72 satır
2.8 KiB
C++
72 satır
2.8 KiB
C++
/******************************************************************************
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Copyright (c) 2018 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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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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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 THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*******************************************************************************/
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#ifndef _SRC_CORE_HSA_QUEUE_H
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#define _SRC_CORE_HSA_QUEUE_H
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#include <atomic>
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#include "core/queue.h"
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#include "core/types.h"
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namespace rocprofiler {
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class HsaQueue : public Queue {
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public:
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HsaQueue(const util::AgentInfo* agent_info, hsa_queue_t* queue) : queue_(queue) {}
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void Submit(const packet_t* packet) {
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// Compute the write index of queue and copy Aql packet into it
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const uint64_t que_idx = hsa_queue_load_write_index_relaxed(queue_);
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// Increment the write index
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hsa_queue_store_write_index_relaxed(queue_, que_idx + 1);
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const uint32_t mask = queue_->size - 1;
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// Copy packet to the queue
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const packet_word_t* src = reinterpret_cast<const packet_word_t*>(packet);
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packet_t* slot = reinterpret_cast<packet_t*>(queue_->base_address) + (que_idx & mask);
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packet_word_t* dst = reinterpret_cast<packet_word_t*>(slot);
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const uint32_t nwords = sizeof(packet_t) / sizeof(packet_word_t);
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for (unsigned i = 1; i < nwords; ++i) {
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dst[i] = src[i];
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}
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// To maintain global order to ensure the prior copy of the packet contents is made visible
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// before the header is updated.
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// With in-order CP it will wait until the first packet in the blob will be valid
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std::atomic<packet_word_t>* header_atomic_ptr =
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reinterpret_cast<std::atomic<packet_word_t>*>(&dst[0]);
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header_atomic_ptr->store(src[0], std::memory_order_release);
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// Doorbell signaling
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hsa_signal_store_relaxed(queue_->doorbell_signal, que_idx);
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}
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private:
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hsa_queue_t* queue_;
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};
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} // namespace rocprofiler
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#endif // _SRC_CORE_HSA_QUEUE_H
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