compute-runtime/shared/source/os_interface/linux/ioctl_helper_upstream.cpp

318 lines
10 KiB
C++

/*
* Copyright (C) 2021-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/helpers/common_types.h"
#include "shared/source/helpers/constants.h"
#include "shared/source/os_interface/linux/cache_info.h"
#include "shared/source/os_interface/linux/drm_wrappers.h"
#include "shared/source/os_interface/linux/i915.h"
#include "shared/source/os_interface/linux/ioctl_helper.h"
namespace NEO {
bool IoctlHelperUpstream::initialize() {
detectExtSetPatSupport();
initializeGetGpuTimeFunction();
return true;
}
bool IoctlHelperUpstream::isSetPairAvailable() {
return false;
}
bool IoctlHelperUpstream::isChunkingAvailable() {
return false;
}
bool IoctlHelperUpstream::isVmBindAvailable() {
return false;
}
int IoctlHelperUpstream::createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, uint64_t patIndex, std::optional<uint32_t> vmId, int32_t pairHandle, bool isChunked, uint32_t numOfChunks, std::optional<uint32_t> memPolicyMode, std::optional<std::vector<unsigned long>> memPolicyNodemask, std::optional<bool> isCoherent) {
bool isPatIndexValid = (patIndex != CommonConstants::unsupportedPatIndex) && (patIndex <= std::numeric_limits<uint32_t>::max());
bool useSetPat = this->isSetPatSupported && isPatIndexValid;
uint32_t regionsSize = static_cast<uint32_t>(memClassInstances.size());
std::vector<drm_i915_gem_memory_class_instance> regions(regionsSize);
for (uint32_t i = 0; i < regionsSize; i++) {
regions[i].memory_class = memClassInstances[i].memoryClass;
regions[i].memory_instance = memClassInstances[i].memoryInstance;
}
drm_i915_gem_create_ext_memory_regions memRegions{};
memRegions.num_regions = regionsSize;
memRegions.regions = reinterpret_cast<uintptr_t>(regions.data());
memRegions.base.name = I915_GEM_CREATE_EXT_MEMORY_REGIONS;
drm_i915_gem_create_ext_set_pat setPat{};
setPat.pat_index = static_cast<uint32_t>(patIndex);
setPat.base.name = I915_GEM_CREATE_EXT_SET_PAT;
drm_i915_gem_create_ext createExt{};
createExt.size = allocSize;
createExt.extensions = reinterpret_cast<uintptr_t>(&memRegions);
if (useSetPat) {
memRegions.base.next_extension = reinterpret_cast<uintptr_t>(&setPat);
}
if (debugManager.flags.PrintBOCreateDestroyResult.get()) {
printDebugString(debugManager.flags.PrintBOCreateDestroyResult.get(), stdout, "Performing GEM_CREATE_EXT with { size: %lu",
allocSize);
for (uint32_t i = 0; i < regionsSize; i++) {
auto region = regions[i];
printDebugString(debugManager.flags.PrintBOCreateDestroyResult.get(), stdout, ", memory class: %d, memory instance: %d",
region.memory_class, region.memory_instance);
}
if (useSetPat) {
printDebugString(debugManager.flags.PrintBOCreateDestroyResult.get(), stdout, ", pat index: %lu", patIndex);
}
printDebugString(debugManager.flags.PrintBOCreateDestroyResult.get(), stdout, "%s", " }\n");
}
auto ret = ioctl(DrmIoctl::gemCreateExt, &createExt);
handle = createExt.handle;
printDebugString(debugManager.flags.PrintBOCreateDestroyResult.get(), stdout, "GEM_CREATE_EXT with EXT_MEMORY_REGIONS%s has returned: %d BO-%u with size: %lu\n",
(useSetPat) ? " with EXT_SET_PAT" : "",
ret, createExt.handle, createExt.size);
return ret;
}
void IoctlHelperUpstream::detectExtSetPatSupport() {
drm_i915_gem_create_ext_set_pat setPat{};
setPat.pat_index = 0;
setPat.base.name = I915_GEM_CREATE_EXT_SET_PAT;
drm_i915_gem_create_ext createExt{};
createExt.size = 1;
createExt.extensions = reinterpret_cast<uintptr_t>(&setPat);
auto isSetPatDisabled = debugManager.flags.DisableGemCreateExtSetPat.get();
if (!isSetPatDisabled) {
int returnValue = ioctl(DrmIoctl::gemCreateExt, &createExt);
this->isSetPatSupported = (returnValue == 0);
if (returnValue == 0) {
GemClose close{};
close.handle = createExt.handle;
returnValue = ioctl(DrmIoctl::gemClose, &close);
UNRECOVERABLE_IF(returnValue);
}
}
printDebugString(debugManager.flags.PrintBOCreateDestroyResult.get(), stdout, "EXT_SET_PAT support is: %s\n",
this->isSetPatSupported ? "enabled" : "disabled");
}
CacheRegion IoctlHelperUpstream::closAlloc(CacheLevel cacheLevel) {
return CacheRegion::none;
}
uint16_t IoctlHelperUpstream::closAllocWays(CacheRegion closIndex, uint16_t cacheLevel, uint16_t numWays) {
return 0;
}
CacheRegion IoctlHelperUpstream::closFree(CacheRegion closIndex) {
return CacheRegion::none;
}
int IoctlHelperUpstream::waitUserFence(uint32_t ctxId, uint64_t address, uint64_t value, uint32_t dataWidth, int64_t timeout, uint16_t flags,
bool userInterrupt, uint32_t externalInterruptId, GraphicsAllocation *allocForInterruptWait) {
return 0;
}
uint32_t IoctlHelperUpstream::getAtomicAdvise(bool isNonAtomic) {
return 0;
}
uint32_t IoctlHelperUpstream::getAtomicAccess(AtomicAccessMode mode) {
return 0;
}
uint32_t IoctlHelperUpstream::getPreferredLocationAdvise() {
return 0;
}
std::optional<MemoryClassInstance> IoctlHelperUpstream::getPreferredLocationRegion(PreferredLocation memoryLocation, uint32_t memoryInstance) {
return std::nullopt;
}
bool IoctlHelperUpstream::setVmBoAdvise(int32_t handle, uint32_t attribute, void *region) {
return true;
}
bool IoctlHelperUpstream::setVmBoAdviseForChunking(int32_t handle, uint64_t start, uint64_t length, uint32_t attribute, void *region) {
return true;
}
bool IoctlHelperUpstream::setVmPrefetch(uint64_t start, uint64_t length, uint32_t region, uint32_t vmId) {
return true;
}
uint32_t IoctlHelperUpstream::getDirectSubmissionFlag() {
return 0u;
}
std::unique_ptr<uint8_t[]> IoctlHelperUpstream::prepareVmBindExt(const StackVec<uint32_t, 2> &bindExtHandles, uint64_t cookie) {
return {};
}
uint64_t IoctlHelperUpstream::getFlagsForVmBind(bool bindCapture, bool bindImmediate, bool bindMakeResident, bool bindLockedMemory, bool readOnlyResource) {
return 0u;
}
int IoctlHelperUpstream::queryDistances(std::vector<QueryItem> &queryItems, std::vector<DistanceInfo> &distanceInfos) {
for (auto &query : queryItems) {
query.length = -EINVAL;
}
return 0;
}
uint16_t IoctlHelperUpstream::getWaitUserFenceSoftFlag() {
return 0;
}
int IoctlHelperUpstream::execBuffer(ExecBuffer *execBuffer, uint64_t completionGpuAddress, TaskCountType counterValue) {
return ioctl(DrmIoctl::gemExecbuffer2, execBuffer);
}
bool IoctlHelperUpstream::completionFenceExtensionSupported(const bool isVmBindAvailable) {
return false;
}
bool IoctlHelperUpstream::isPageFaultSupported() {
return false;
};
bool IoctlHelperUpstream::isEuStallSupported() {
return false;
}
uint32_t IoctlHelperUpstream::getEuStallFdParameter() {
return 0u;
}
bool IoctlHelperUpstream::perfOpenEuStallStream(uint32_t euStallFdParameter, uint32_t &samplingPeriodNs, uint64_t engineInstance, uint64_t notifyNReports, uint64_t gpuTimeStampfrequency, int32_t *stream) {
return false;
}
bool IoctlHelperUpstream::perfDisableEuStallStream(int32_t *stream) {
return false;
}
std::unique_ptr<uint8_t[]> IoctlHelperUpstream::createVmControlExtRegion(const std::optional<MemoryClassInstance> &regionInstanceClass) {
return {};
}
uint32_t IoctlHelperUpstream::getFlagsForVmCreate(bool disableScratch, bool enablePageFault, bool useVmBind) {
return 0u;
}
uint32_t IoctlHelperUpstream::createContextWithAccessCounters(GemContextCreateExt &gcc) {
return EINVAL;
}
uint32_t IoctlHelperUpstream::createCooperativeContext(GemContextCreateExt &gcc) {
return EINVAL;
}
void IoctlHelperUpstream::fillVmBindExtSetPat(VmBindExtSetPatT &vmBindExtSetPat, uint64_t patIndex, uint64_t nextExtension) {}
void IoctlHelperUpstream::fillVmBindExtUserFence(VmBindExtUserFenceT &vmBindExtUserFence, uint64_t fenceAddress, uint64_t fenceValue, uint64_t nextExtension) {}
void IoctlHelperUpstream::setVmBindUserFence(VmBindParams &vmBind, VmBindExtUserFenceT vmBindUserFence){};
std::optional<uint32_t> IoctlHelperUpstream::getVmAdviseAtomicAttribute() {
return 0;
}
int IoctlHelperUpstream::vmBind(const VmBindParams &vmBindParams) {
return 0;
}
int IoctlHelperUpstream::vmUnbind(const VmBindParams &vmBindParams) {
return 0;
}
int IoctlHelperUpstream::getResetStats(ResetStats &resetStats, uint32_t *status, ResetStatsFault *resetStatsFault) {
return ioctl(DrmIoctl::getResetStats, &resetStats);
}
UuidRegisterResult IoctlHelperUpstream::registerUuid(const std::string &uuid, uint32_t uuidClass, uint64_t ptr, uint64_t size) {
return {0, 0};
}
UuidRegisterResult IoctlHelperUpstream::registerStringClassUuid(const std::string &uuid, uint64_t ptr, uint64_t size) {
return {0, 0};
}
int IoctlHelperUpstream::unregisterUuid(uint32_t handle) {
return 0;
}
bool IoctlHelperUpstream::isContextDebugSupported() {
return false;
}
int IoctlHelperUpstream::setContextDebugFlag(uint32_t drmContextId) {
return 0;
}
bool IoctlHelperUpstream::isDebugAttachAvailable() {
return false;
}
unsigned int IoctlHelperUpstream::getIoctlRequestValue(DrmIoctl ioctlRequest) const {
switch (ioctlRequest) {
case DrmIoctl::gemCreateExt:
return DRM_IOCTL_I915_GEM_CREATE_EXT;
default:
return IoctlHelperI915::getIoctlRequestValue(ioctlRequest);
}
}
int IoctlHelperUpstream::getDrmParamValue(DrmParam drmParam) const {
switch (drmParam) {
case DrmParam::engineClassCompute:
return 4;
case DrmParam::queryHwconfigTable:
return DRM_I915_QUERY_HWCONFIG_BLOB;
case DrmParam::queryComputeSlices:
return 0;
default:
return IoctlHelperI915::getDrmParamValueBase(drmParam);
}
}
std::string IoctlHelperUpstream::getIoctlString(DrmIoctl ioctlRequest) const {
switch (ioctlRequest) {
case DrmIoctl::gemCreateExt:
return "DRM_IOCTL_I915_GEM_CREATE_EXT";
default:
return IoctlHelperI915::getIoctlString(ioctlRequest);
}
}
bool IoctlHelperUpstream::getFabricLatency(uint32_t fabricId, uint32_t &latency, uint32_t &bandwidth) {
return false;
}
bool IoctlHelperUpstream::isWaitBeforeBindRequired(bool bind) const {
bool userFenceOnUnbind = false;
if (debugManager.flags.EnableUserFenceUponUnbind.get() != -1) {
userFenceOnUnbind = !!debugManager.flags.EnableUserFenceUponUnbind.get();
}
return userFenceOnUnbind;
}
} // namespace NEO