Sean Keely
7cd6e366ed
Use async. signal handler to satisfy dependencies for SDMA blits. Change-Id: Ifa8d3ee6810509f400a568ca2387ac6ab3ab7c36
123 satır
5.0 KiB
C++
123 satır
5.0 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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//
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// The University of Illinois/NCSA
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// Open Source License (NCSA)
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//
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// Copyright (c) 2014-2015, Advanced Micro Devices, Inc. All rights reserved.
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//
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// Developed by:
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//
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// AMD Research and AMD HSA Software Development
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//
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// Advanced Micro Devices, Inc.
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//
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// www.amd.com
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//
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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
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// deal with 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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// - Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimers.
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// - Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimers in
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// the documentation and/or other materials provided with the distribution.
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// - Neither the names of Advanced Micro Devices, Inc,
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// nor the names of its contributors may be used to endorse or promote
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// products derived from this Software without specific prior written
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// permission.
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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 CONTRIBUTORS 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 OTHER
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// DEALINGS WITH THE SOFTWARE.
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//
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////////////////////////////////////////////////////////////////////////////////
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#ifndef HSA_RUNTIME_CORE_INC_BLIT_H_
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#define HSA_RUNTIME_CORE_INC_BLIT_H_
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#include <stdint.h>
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#include "core/inc/agent.h"
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namespace core {
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class Blit {
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public:
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explicit Blit() {}
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virtual ~Blit() {}
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/// @brief Initialize a blit object.
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///
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/// @param agent Pointer to the agent that will execute the blit commands.
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///
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/// @return hsa_status_t
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virtual hsa_status_t Initialize(const core::Agent& agent) = 0;
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/// @brief Marks the blit object as invalid and uncouples its link with
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/// the underlying compute device's control block. Use of blit object
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/// once it has been release is illegal and any behavior is indeterminate
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///
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/// @note: The call will block until all commands have executed.
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///
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/// @param agent Agent passed to Initialize.
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///
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/// @return hsa_status_t
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virtual hsa_status_t Destroy(const core::Agent& agent) = 0;
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/// @brief Submit a linear copy command to the the underlying compute device's
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/// control block. The call is blocking until the command execution is
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/// finished.
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///
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/// @param dst Memory address of the copy destination.
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/// @param src Memory address of the copy source.
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/// @param size Size of the data to be copied.
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virtual hsa_status_t SubmitLinearCopyCommand(void* dst, const void* src,
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size_t size) = 0;
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/// @brief Submit a linear copy command to the the underlying compute device's
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/// control block. The call is non blocking. The memory transfer will start
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/// after all dependent signals are satisfied. After the transfer is
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/// completed, the out signal will be decremented.
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///
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/// @param dst Memory address of the copy destination.
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/// @param src Memory address of the copy source.
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/// @param size Size of the data to be copied.
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/// @param dep_signals Arrays of dependent signal.
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/// @param out_signal Output signal.
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virtual hsa_status_t SubmitLinearCopyCommand(
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void* dst, const void* src, size_t size,
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std::vector<core::Signal*>& dep_signals, core::Signal& out_signal) = 0;
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/// @brief Submit a linear fill command to the the underlying compute device's
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/// control block. The call is blocking until the command execution is
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/// finished.
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///
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/// @param ptr Memory address of the fill destination.
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/// @param value Value to be set.
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/// @param num Number of uint32_t element to be set to the value.
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virtual hsa_status_t SubmitLinearFillCommand(void* ptr, uint32_t value,
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size_t num) = 0;
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/// @brief Enable profiling of the asynchronous copy command. The timestamp
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/// of each copy request will be stored in the completion signal structure.
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///
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/// @param enable True to enable profiling. False to disable profiling.
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///
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/// @return HSA_STATUS_SUCCESS if the request to enable/disable profiling is
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/// successful.
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virtual hsa_status_t EnableProfiling(bool enable) = 0;
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/// @brief Blit operations use SDMA.
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virtual bool isSDMA() const { return false; }
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};
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} // namespace core
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#endif // header guard
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