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feature: Return insufficient permissions when driver device cannot be loaded

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Return ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS when user doesn't have
permissions to access the GPU driver device file.

Related-To: NEO-8682
Signed-off-by: Kindracki, Jakub Tomasz <jakub.tomasz.kindracki@intel.com>
This commit is contained in:
Kindracki, Jakub Tomasz
2025-07-28 14:51:46 +00:00
committed by Compute-Runtime-Automation
parent 05cf05e10e
commit a73d5724e3
9 changed files with 421 additions and 24 deletions
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46
level_zero/core/source/driver/driver.cpp
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@@ -75,31 +75,37 @@ void DriverImp::initialize(ze_result_t *result) {
executionEnvironment->incRefInternal();
auto neoDevices = NEO::DeviceFactory::createDevices(*executionEnvironment);
bool isDevicePermissionError = executionEnvironment->isDevicePermissionError();
executionEnvironment->decRefInternal();
if (!neoDevices.empty()) {
auto deviceGroups = NEO::Device::groupDevices(std::move(neoDevices));
for (auto &devices : deviceGroups) {
auto driverHandle = DriverHandle::create(std::move(devices), envVariables, result);
if (driverHandle) {
globalDriverHandles->push_back(driverHandle);
}
if (neoDevices.empty()) {
if (isDevicePermissionError) {
*result = ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS;
}
return;
}
if (globalDriverHandles->size() > 0) {
*result = ZE_RESULT_SUCCESS;
auto deviceGroups = NEO::Device::groupDevices(std::move(neoDevices));
for (auto &devices : deviceGroups) {
auto driverHandle = DriverHandle::create(std::move(devices), envVariables, result);
if (driverHandle) {
globalDriverHandles->push_back(driverHandle);
}
}
if (envVariables.metrics) {
*result = MetricDeviceContext::enableMetricApi();
}
if (*result != ZE_RESULT_SUCCESS) {
for (auto &driverHandle : *globalDriverHandles) {
delete static_cast<BaseDriver *>(driverHandle);
}
globalDriverHandles->clear();
} else if (envVariables.pin) {
std::unique_lock<std::mutex> mtx{this->gtpinInitMtx};
this->gtPinInitializationNeeded = true;
if (globalDriverHandles->size() > 0) {
*result = ZE_RESULT_SUCCESS;
if (envVariables.metrics) {
*result = MetricDeviceContext::enableMetricApi();
}
if (*result != ZE_RESULT_SUCCESS) {
for (auto &driverHandle : *globalDriverHandles) {
delete static_cast<BaseDriver *>(driverHandle);
}
globalDriverHandles->clear();
} else if (envVariables.pin) {
std::unique_lock<std::mutex> mtx{this->gtpinInitMtx};
this->gtPinInitializationNeeded = true;
}
}
}