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Implement UUID using pcie bdf

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This patch implements the fallback method for Device UUID
using the BDF of the device for all product families.


Related-To: LOCI-2827

Signed-off-by: Joshua Santosh Ranjan <joshua.santosh.ranjan@intel.com>
This commit is contained in:
Joshua Santosh Ranjan
2021-12-20 12:58:34 +00:00
committed by Compute-Runtime-Automation
parent 40ea30be0b
commit 7fc9b2c3dc
6 changed files with 228 additions and 7 deletions
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27
shared/source/device/device.cpp
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2018-2021 Intel Corporation
* Copyright (C) 2018-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
@@ -271,6 +271,11 @@ bool Device::createDeviceImpl() {
if (!isEngineInstanced()) {
auto hardwareInfo = getRootDeviceEnvironment().getMutableHardwareInfo();
uuid.isValid = HwInfoConfig::get(hardwareInfo->platform.eProductFamily)->getUuid(this, uuid.id);
if (!uuid.isValid && getRootDeviceEnvironment().osInterface != nullptr) {
PhysicalDevicePciBusInfo pciBusInfo = getRootDeviceEnvironment().osInterface->getDriverModel()->getPciBusInfo();
uuid.isValid = generateUuidFromPciBusInfo(pciBusInfo, uuid.id);
}
}
return true;
@@ -646,8 +651,28 @@ OSTime *Device::getOSTime() const { return getRootDeviceEnvironment().osTime.get
bool Device::getUuid(std::array<uint8_t, HwInfoConfig::uuidSize> &uuid) {
if (this->uuid.isValid) {
uuid = this->uuid.id;
if (!isSubDevice() && deviceBitfield.count() == 1) {
// In case of no sub devices created (bits set in affinity mask == 1), return the UUID of enabled sub-device.
uint32_t subDeviceIndex = Math::log2(static_cast<uint32_t>(deviceBitfield.to_ulong()));
uuid[HwInfoConfig::uuidSize - 1] = subDeviceIndex + 1;
}
}
return this->uuid.isValid;
}
bool Device::generateUuidFromPciBusInfo(const PhysicalDevicePciBusInfo &pciBusInfo, std::array<uint8_t, HwInfoConfig::uuidSize> &uuid) {
if (pciBusInfo.pciDomain != PhysicalDevicePciBusInfo::InvalidValue) {
uuid.fill(0);
memcpy_s(&uuid[0], 2, &pciBusInfo.pciDomain, 2);
memcpy_s(&uuid[2], 1, &pciBusInfo.pciBus, 1);
memcpy_s(&uuid[3], 1, &pciBusInfo.pciDevice, 1);
memcpy_s(&uuid[4], 1, &pciBusInfo.pciFunction, 1);
uuid[HwInfoConfig::uuidSize - 1] = isSubDevice() ? static_cast<SubDevice *>(this)->getSubDeviceIndex() + 1 : 0;
return true;
}
return false;
}
} // namespace NEO

4
shared/source/device/device.h
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2018-2021 Intel Corporation
* Copyright (C) 2018-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
@@ -24,6 +24,7 @@ namespace NEO {
class OSTime;
class SourceLevelDebugger;
class SubDevice;
struct PhysicalDevicePciBusInfo;
struct SelectorCopyEngine : NonCopyableOrMovableClass {
std::atomic<bool> isMainUsed = false;
@@ -200,6 +201,7 @@ class Device : public ReferenceTrackedObject<Device> {
bool isValid = false;
std::array<uint8_t, HwInfoConfig::uuidSize> id;
} uuid;
bool generateUuidFromPciBusInfo(const PhysicalDevicePciBusInfo &pciBusInfo, std::array<uint8_t, HwInfoConfig::uuidSize> &uuid);
};
inline EngineControl &Device::getDefaultEngine() {