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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/built_ins/sip.h"
#include "shared/source/command_stream/preemption.h"
#include "shared/source/device/device.h"
#include "shared/source/helpers/hw_helper.h"
#include "shared/source/memory_manager/graphics_allocation.h"
#include "opencl/source/command_queue/gpgpu_walker.h"
namespace NEO {
template <typename GfxFamily>
void PreemptionHelper::programCsrBaseAddress(LinearStream &preambleCmdStream, Device &device, const GraphicsAllocation *preemptionCsr) {
using GPGPU_CSR_BASE_ADDRESS = typename GfxFamily::GPGPU_CSR_BASE_ADDRESS;
bool isMidThreadPreemption = device.getPreemptionMode() == PreemptionMode::MidThread;
if (isMidThreadPreemption) {
UNRECOVERABLE_IF(nullptr == preemptionCsr);
auto csr = reinterpret_cast<GPGPU_CSR_BASE_ADDRESS *>(preambleCmdStream.getSpace(sizeof(GPGPU_CSR_BASE_ADDRESS)));
GPGPU_CSR_BASE_ADDRESS cmd = GfxFamily::cmdInitGpgpuCsrBaseAddress;
cmd.setGpgpuCsrBaseAddress(preemptionCsr->getGpuAddressToPatch());
*csr = cmd;
}
}
template <typename GfxFamily>
void PreemptionHelper::programStateSip(LinearStream &preambleCmdStream, Device &device) {
using STATE_SIP = typename GfxFamily::STATE_SIP;
bool debuggerActive = device.isDebuggerActive();
bool isMidThreadPreemption = device.getPreemptionMode() == PreemptionMode::MidThread;
if (isMidThreadPreemption || debuggerActive) {
auto sipAllocation = SipKernel::getSipKernelAllocation(device);
auto sip = reinterpret_cast<STATE_SIP *>(preambleCmdStream.getSpace(sizeof(STATE_SIP)));
STATE_SIP cmd = GfxFamily::cmdInitStateSip;
cmd.setSystemInstructionPointer(sipAllocation->getGpuAddressToPatch());
*sip = cmd;
}
}
template <typename GfxFamily>
void PreemptionHelper::programCmdStream(LinearStream &cmdStream, PreemptionMode newPreemptionMode,
PreemptionMode oldPreemptionMode, GraphicsAllocation *preemptionCsr) {
if (oldPreemptionMode == newPreemptionMode) {
return;
}
uint32_t regVal = 0;
if (newPreemptionMode == PreemptionMode::MidThread) {
regVal = PreemptionConfig<GfxFamily>::midThreadVal | PreemptionConfig<GfxFamily>::mask;
} else if (newPreemptionMode == PreemptionMode::ThreadGroup) {
regVal = PreemptionConfig<GfxFamily>::threadGroupVal | PreemptionConfig<GfxFamily>::mask;
} else {
regVal = PreemptionConfig<GfxFamily>::cmdLevelVal | PreemptionConfig<GfxFamily>::mask;
}
LriHelper<GfxFamily>::program(&cmdStream, PreemptionConfig<GfxFamily>::mmioAddress, regVal, true);
}
template <typename GfxFamily>
size_t PreemptionHelper::getRequiredCmdStreamSize(PreemptionMode newPreemptionMode, PreemptionMode oldPreemptionMode) {
if (newPreemptionMode == oldPreemptionMode) {
return 0;
}
return sizeof(typename GfxFamily::MI_LOAD_REGISTER_IMM);
}
template <typename GfxFamily>
size_t PreemptionHelper::getRequiredPreambleSize(const Device &device) {
if (device.getPreemptionMode() == PreemptionMode::MidThread) {
return sizeof(typename GfxFamily::GPGPU_CSR_BASE_ADDRESS);
}
return 0;
}
template <typename GfxFamily>
size_t PreemptionHelper::getRequiredStateSipCmdSize(const Device &device) {
size_t size = 0;
bool isMidThreadPreemption = device.getPreemptionMode() == PreemptionMode::MidThread;
if (isMidThreadPreemption || device.isDebuggerActive()) {
size += sizeof(typename GfxFamily::STATE_SIP);
}
return size;
}
template <typename GfxFamily>
size_t PreemptionHelper::getPreemptionWaCsSize(const Device &device) {
return 0u;
}
template <typename GfxFamily>
void PreemptionHelper::applyPreemptionWaCmdsBegin(LinearStream *pCommandStream, const Device &device) {
}
template <typename GfxFamily>
void PreemptionHelper::applyPreemptionWaCmdsEnd(LinearStream *pCommandStream, const Device &device) {
}
template <typename GfxFamily>
void PreemptionHelper::programInterfaceDescriptorDataPreemption(INTERFACE_DESCRIPTOR_DATA<GfxFamily> *idd, PreemptionMode preemptionMode) {
using INTERFACE_DESCRIPTOR_DATA = typename GfxFamily::INTERFACE_DESCRIPTOR_DATA;
if (preemptionMode == PreemptionMode::MidThread) {
idd->setThreadPreemptionDisable(INTERFACE_DESCRIPTOR_DATA::THREAD_PREEMPTION_DISABLE_DISABLE);
} else {
idd->setThreadPreemptionDisable(INTERFACE_DESCRIPTOR_DATA::THREAD_PREEMPTION_DISABLE_ENABLE);
}
}
template <typename GfxFamily>
constexpr uint32_t PreemptionConfig<GfxFamily>::mmioAddress = 0x2580;
template <typename GfxFamily>
constexpr uint32_t PreemptionConfig<GfxFamily>::mask = ((1 << 1) | (1 << 2)) << 16;
template <typename GfxFamily>
constexpr uint32_t PreemptionConfig<GfxFamily>::threadGroupVal = (1 << 1);
template <typename GfxFamily>
constexpr uint32_t PreemptionConfig<GfxFamily>::cmdLevelVal = (1 << 2);
template <typename GfxFamily>
constexpr uint32_t PreemptionConfig<GfxFamily>::midThreadVal = 0;
} // namespace NEO
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