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/*
* Copyright (C) 2021-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/command_stream/command_stream_receiver.h"
#include "shared/source/os_interface/windows/gdi_interface.h"
#include "shared/source/os_interface/windows/os_context_win.h"
#include "shared/source/os_interface/windows/wddm/wddm.h"
#include "shared/source/os_interface/windows/wddm/wddm_residency_logger.h"
#include "shared/source/os_interface/windows/wddm_allocation.h"
#include "shared/source/os_interface/windows/wddm_residency_controller.h"
namespace NEO {
VOID *Wddm::registerTrimCallback(PFND3DKMT_TRIMNOTIFICATIONCALLBACK callback) {
if (!hwDeviceId || !this->rootDeviceEnvironment.executionEnvironment.osEnvironment || !getGdi()) {
return nullptr;
}
if (debugManager.flags.DoNotRegisterTrimCallback.get()) {
return nullptr;
}
D3DKMT_REGISTERTRIMNOTIFICATION registerTrimNotification;
registerTrimNotification.Callback = reinterpret_cast<decltype(registerTrimNotification.Callback)>(callback);
registerTrimNotification.AdapterLuid = hwDeviceId->getAdapterLuid();
registerTrimNotification.Context = &residencyController;
registerTrimNotification.hDevice = device;
NTSTATUS status = getGdi()->registerTrimNotification(®isterTrimNotification);
if (status == STATUS_SUCCESS) {
return registerTrimNotification.Handle;
}
return nullptr;
}
void Wddm::unregisterTrimCallback(PFND3DKMT_TRIMNOTIFICATIONCALLBACK callback, VOID *trimCallbackHandle) {
if (!hwDeviceId || !this->rootDeviceEnvironment.executionEnvironment.osEnvironment || !getGdi()) {
return;
}
DEBUG_BREAK_IF(callback == nullptr);
if (trimCallbackHandle == nullptr || isShutdownInProgress()) {
return;
}
D3DKMT_UNREGISTERTRIMNOTIFICATION unregisterTrimNotification;
unregisterTrimNotification.Callback = callback;
unregisterTrimNotification.Handle = trimCallbackHandle;
[[maybe_unused]] NTSTATUS status = getGdi()->unregisterTrimNotification(&unregisterTrimNotification);
DEBUG_BREAK_IF(status != STATUS_SUCCESS);
}
void APIENTRY WddmResidencyController::trimCallback(_Inout_ D3DKMT_TRIMNOTIFICATION *trimNotification) {
auto residencyController = static_cast<WddmResidencyController *>(trimNotification->Context);
DEBUG_BREAK_IF(residencyController == nullptr);
auto lock = residencyController->acquireTrimCallbackLock();
if (residencyController->wddm.isShutdownInProgress()) {
return;
}
residencyController->trimResidency(trimNotification->Flags, trimNotification->NumBytesToTrim);
}
void WddmResidencyController::trimResidency(const D3DDDI_TRIMRESIDENCYSET_FLAGS &flags, uint64_t bytes) {
std::chrono::high_resolution_clock::time_point callbackStart;
perfLogResidencyTrimCallbackBegin(wddm.getResidencyLogger(), callbackStart);
if (flags.PeriodicTrim) {
uint64_t sizeToTrim = 0;
auto lock = this->acquireLock();
WddmAllocation *wddmAllocation = nullptr;
std::vector<D3DKMT_HANDLE> handlesToEvict;
std::vector<WddmAllocation *> allocationsToRemove;
allocationsToRemove.reserve(evictionAllocations.size());
handlesToEvict.reserve(evictionAllocations.size());
this->wddm.forEachContextWithinWddm<true>([&](const EngineControl &engine) {
for (auto allocationIter = evictionAllocations.begin(); allocationIter != evictionAllocations.end(); ++allocationIter) {
auto &osContext = static_cast<NEO::OsContextWin &>(*engine.osContext);
uint32_t osContextId = osContext.getContextId();
wddmAllocation = reinterpret_cast<WddmAllocation *>(*allocationIter);
DBG_LOG(ResidencyDebugEnable, "Residency:", __FUNCTION__, "lastPeriodicTrimFenceValue = ", osContext.getLastTrimFenceValue());
if (osContext.wasAllocationUsedSinceLastTrim(wddmAllocation->getResidencyData().getFenceValueForContextId(osContextId))) {
continue;
}
if (wddmAllocation->isAlwaysResident(osContextId)) {
continue;
}
if (wddmAllocation->fragmentsStorage.fragmentCount == 0) {
if (!wddmAllocation->getResidencyData().resident[osContextId]) {
continue;
}
for (auto i = 0u; i < wddmAllocation->getNumGmms(); i++) {
handlesToEvict.push_back(wddmAllocation->getHandles()[i]);
}
} else {
for (uint32_t allocationId = 0; allocationId < wddmAllocation->fragmentsStorage.fragmentCount; allocationId++) {
AllocationStorageData &fragmentStorageData = wddmAllocation->fragmentsStorage.fragmentStorageData[allocationId];
if (!osContext.wasAllocationUsedSinceLastTrim(fragmentStorageData.residency->getFenceValueForContextId(osContextId))) {
auto osHandle = static_cast<OsHandleWin *>(wddmAllocation->fragmentsStorage.fragmentStorageData[allocationId].osHandleStorage);
DBG_LOG(ResidencyDebugEnable, "Residency:", __FUNCTION__, "Evict fragment: handle =", osHandle->handle, "lastFence =",
wddmAllocation->fragmentsStorage.fragmentStorageData[allocationId].residency->getFenceValueForContextId(osContextId));
handlesToEvict.push_back(static_cast<OsHandleWin *>(fragmentStorageData.osHandleStorage)->handle);
fragmentStorageData.residency->resident[osContextId] = false;
}
}
}
DBG_LOG(ResidencyDebugEnable, "Residency:", __FUNCTION__, "Evict allocation, gpu address = ", std::hex, wddmAllocation->getGpuAddress(), "lastFence =", wddmAllocation->getResidencyData().getFenceValueForContextId(osContextId));
wddmAllocation->getResidencyData().resident[osContextId] = false;
if (std::none_of(wddmAllocation->getResidencyData().resident.begin(), wddmAllocation->getResidencyData().resident.end(), [](bool resident) { return resident; })) {
allocationsToRemove.push_back(wddmAllocation);
}
}
this->wddm.evict(handlesToEvict.data(), static_cast<uint32_t>(handlesToEvict.size()), sizeToTrim, false);
handlesToEvict.clear();
});
std::erase_if(evictionAllocations, [&allocationsToRemove](GraphicsAllocation *graphicsAllocation) {
return std::find_if(allocationsToRemove.begin(), allocationsToRemove.end(), [&graphicsAllocation](WddmAllocation *graphicsAllocationToRemove) {
return graphicsAllocationToRemove == graphicsAllocation;
}) != allocationsToRemove.end();
});
}
if (flags.TrimToBudget) {
StackVec<std::unique_lock<CommandStreamReceiver::MutexType>, 5> csrLocks;
this->wddm.forEachContextWithinWddm<true>([&](const EngineControl &engine) {
csrLocks.push_back(engine.commandStreamReceiver->obtainUniqueOwnership());
});
auto lock = this->acquireLock();
trimResidencyToBudget(bytes);
}
if (flags.PeriodicTrim || flags.RestartPeriodicTrim) {
this->wddm.forEachContextWithinWddm<true>([&](const EngineControl &engine) {
auto osContext = static_cast<NEO::OsContextWin *>(engine.osContext);
osContext->updateLastTrimFenceValue();
DBG_LOG(ResidencyDebugEnable, "Residency:", __FUNCTION__, "updated lastPeriodicTrimFenceValue =", osContext->getLastTrimFenceValue());
});
}
perfLogResidencyTrimCallbackEnd(wddm.getResidencyLogger(), flags.Value, this, callbackStart);
}
bool WddmResidencyController::trimResidencyToBudget(uint64_t bytes) {
uint64_t sizeToTrim = 0;
uint64_t numberOfBytesToTrim = bytes;
WddmAllocation *wddmAllocation = nullptr;
perfLogResidencyTrimToBudget(wddm.getResidencyLogger(), bytes, this);
auto allocationIter = evictionAllocations.begin();
std::vector<D3DKMT_HANDLE> handlesToEvict;
handlesToEvict.reserve(evictionAllocations.size());
std::vector<WddmAllocation *> allocationsToRemove;
allocationsToRemove.reserve(evictionAllocations.size());
this->wddm.forEachContextWithinWddm<true>([&](const EngineControl &engine) {
auto csr = engine.commandStreamReceiver;
csr->drainPagingFenceQueue();
auto &osContext = static_cast<NEO::OsContextWin &>(csr->getOsContext());
uint32_t osContextId = osContext.getContextId();
while (numberOfBytesToTrim > 0 && allocationIter != evictionAllocations.end()) {
wddmAllocation = reinterpret_cast<WddmAllocation *>(*allocationIter);
uint64_t lastFence = wddmAllocation->getResidencyData().getFenceValueForContextId(osContextId);
auto &monitoredFence = osContext.getMonitoredFence();
if (lastFence > monitoredFence.lastSubmittedFence) {
++allocationIter;
continue;
}
if (wddmAllocation->isAlwaysResident(osContextId)) {
++allocationIter;
continue;
}
uint64_t sizeEvicted = 0;
if (lastFence > *monitoredFence.cpuAddress) {
this->wddm.waitFromCpu(lastFence, osContext.getMonitoredFence(), false);
}
if (wddmAllocation->fragmentsStorage.fragmentCount == 0) {
for (auto i = 0u; i < wddmAllocation->getNumGmms(); i++) {
handlesToEvict.push_back(wddmAllocation->getHandles()[i]);
}
sizeEvicted = wddmAllocation->getAlignedSize();
} else {
auto &fragmentStorageData = wddmAllocation->fragmentsStorage.fragmentStorageData;
for (uint32_t allocationId = 0; allocationId < wddmAllocation->fragmentsStorage.fragmentCount; allocationId++) {
if (fragmentStorageData[allocationId].residency->getFenceValueForContextId(osContextId) <= monitoredFence.lastSubmittedFence) {
handlesToEvict.push_back(static_cast<OsHandleWin *>(fragmentStorageData[allocationId].osHandleStorage)->handle);
fragmentStorageData[allocationId].residency->resident[osContextId] = false;
sizeEvicted += fragmentStorageData[allocationId].fragmentSize;
}
}
}
DBG_LOG(ResidencyDebugEnable, "Residency:", __FUNCTION__, "Evict allocation, gpu address = ", std::hex, wddmAllocation->getGpuAddress(), "lastFence =", wddmAllocation->getResidencyData().getFenceValueForContextId(osContextId));
if (sizeEvicted >= numberOfBytesToTrim) {
numberOfBytesToTrim = 0;
} else {
numberOfBytesToTrim -= sizeEvicted;
}
wddmAllocation->getResidencyData().resident[osContextId] = false;
if (std::none_of(wddmAllocation->getResidencyData().resident.begin(), wddmAllocation->getResidencyData().resident.end(), [](bool resident) { return resident; })) {
allocationsToRemove.push_back(wddmAllocation);
}
++allocationIter;
}
this->wddm.evict(handlesToEvict.data(), static_cast<uint32_t>(handlesToEvict.size()), sizeToTrim, true);
handlesToEvict.clear();
});
std::erase_if(evictionAllocations, [&allocationsToRemove](GraphicsAllocation *graphicsAllocation) {
return std::find_if(allocationsToRemove.begin(), allocationsToRemove.end(), [&graphicsAllocation](WddmAllocation *graphicsAllocationToRemove) {
return graphicsAllocationToRemove == graphicsAllocation;
}) != allocationsToRemove.end();
});
return numberOfBytesToTrim == 0;
}
} // namespace NEO
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