compute-runtime/runtime/command_stream/preemption.h

57 lines
2.5 KiB
C++

/*
* Copyright (c) 2018, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include "runtime/command_stream/linear_stream.h"
#include "runtime/helpers/hw_helper.h"
namespace OCLRT {
class Kernel;
class Device;
class GraphicsAllocation;
struct MultiDispatchInfo;
class PreemptionHelper {
public:
static PreemptionMode taskPreemptionMode(Device &device, Kernel *kernel);
static PreemptionMode taskPreemptionMode(Device &device, const MultiDispatchInfo &multiDispatchInfo);
static bool allowThreadGroupPreemption(Kernel *kernel, const WorkaroundTable *waTable);
static bool allowMidThreadPreemption(Kernel *kernel, Device &device);
static void adjustDefaultPreemptionMode(RuntimeCapabilityTable &deviceCapabilities, bool allowMidThread, bool allowThreadGroup, bool allowMidBatch);
template <typename GfxFamily>
static void programCmdStream(LinearStream *cmdStream, PreemptionMode &preemptionMode, GraphicsAllocation *preemptionCsr, GraphicsAllocation *sipKernel);
template <typename GfxFamily>
static size_t getRequiredCmdStreamSize(PreemptionMode preemptionMode);
template <typename GfxFamily>
static size_t getPreemptionWaCsSize(const Device &device);
template <typename GfxFamily>
static void applyPreemptionWaCmdsBegin(LinearStream *pCommandStream, const Device &device);
template <typename GfxFamily>
static void applyPreemptionWaCmdsEnd(LinearStream *pCommandStream, const Device &device);
};
} // namespace OCLRT