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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/os_interface/windows/driver_info_windows.h"
#include "shared/source/os_interface/windows/debug_registry_reader.h"
#include "shared/source/os_interface/windows/os_interface.h"
#include "shared/source/os_interface/windows/sys_calls.h"
#include "shared/source/os_interface/windows/wddm/wddm.h"
std::string getCurrentLibraryPath() {
std::string returnValue;
WCHAR pathW[MAX_PATH];
char path[MAX_PATH];
HMODULE handle = NULL;
auto status = NEO::SysCalls::getModuleHandle(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS |
GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
reinterpret_cast<LPCWSTR>(&getCurrentLibraryPath), &handle);
if (status != 0) {
status = NEO::SysCalls::getModuleFileName(handle, pathW, sizeof(pathW));
if (status != 0) {
std::wcstombs(path, pathW, MAX_PATH);
returnValue.append(path);
}
}
return returnValue;
}
namespace NEO {
DriverInfo *DriverInfo::create(const HardwareInfo *hwInfo, OSInterface *osInterface) {
if (osInterface) {
auto wddm = osInterface->get()->getWddm();
DEBUG_BREAK_IF(wddm == nullptr);
std::string path(wddm->getDeviceRegistryPath());
return new DriverInfoWindows(std::move(path));
}
return nullptr;
};
DriverInfoWindows::DriverInfoWindows(std::string &&fullPath) : path(DriverInfoWindows::trimRegistryKey(fullPath)),
registryReader(createRegistryReaderFunc(path)) {}
std::string DriverInfoWindows::trimRegistryKey(std::string path) {
std::string prefix("\\REGISTRY\\MACHINE\\");
auto pos = prefix.find(prefix);
if (pos != std::string::npos)
path.erase(pos, prefix.length());
return path;
}
std::string DriverInfoWindows::getDeviceName(std::string defaultName) {
return registryReader.get()->getSetting("HardwareInformation.AdapterString", defaultName);
}
std::string DriverInfoWindows::getVersion(std::string defaultVersion) {
return registryReader.get()->getSetting("DriverVersion", defaultVersion);
};
bool DriverInfoWindows::isCompatibleDriverStore() const {
auto currentLibraryPath = getCurrentLibraryPath();
auto openclDriverName = registryReader.get()->getSetting("OpenCLDriverName", std::string{});
if (openclDriverName.empty()) {
return false;
}
auto driverStorePath = registryReader.get()->getSetting("DriverStorePathForComputeRuntime", currentLibraryPath);
return currentLibraryPath.find(driverStorePath.c_str()) == 0u;
}
decltype(DriverInfoWindows::createRegistryReaderFunc) DriverInfoWindows::createRegistryReaderFunc = [](const std::string ®istryPath) -> std::unique_ptr<SettingsReader> {
return std::make_unique<RegistryReader>(false, registryPath);
};
bool DriverInfoWindows::getMediaSharingSupport() {
return registryReader.get()->getSetting(is64bit ? "UserModeDriverName" : "UserModeDriverNameWOW", std::string("")) != "<>";
}
} // namespace NEO
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