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feature: Support for Level Zero Device Cache Line Size Extension

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Related-To: NEO-1324

Signed-off-by: Neil R. Spruit <neil.r.spruit@intel.com>
This commit is contained in:
Neil R. Spruit
2025-06-18 19:50:48 +00:00
committed by Compute-Runtime-Automation
parent e57e5cde9d
commit dd63a48dfe
5 changed files with 34 additions and 0 deletions
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4
level_zero/core/source/device/device_imp.cpp
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@@ -1303,6 +1303,10 @@ ze_result_t DeviceImp::getCacheProperties(uint32_t *pCount, ze_device_cache_prop
constexpr size_t cacheLevel{3U};
auto cacheReservationProperties = reinterpret_cast<ze_cache_reservation_ext_desc_t *>(extendedProperties);
cacheReservationProperties->maxCacheReservationSize = cacheReservation->getMaxCacheReservationSize(cacheLevel);
} else if (extendedProperties->stype == ZE_STRUCTURE_TYPE_DEVICE_CACHELINE_SIZE_EXT) {
auto cacheLineSizeProperties = reinterpret_cast<ze_device_cache_line_size_ext_t *>(extendedProperties);
auto &productHelper = neoDevice->getRootDeviceEnvironment().getHelper<NEO::ProductHelper>();
cacheLineSizeProperties->cacheLineSize = productHelper.getCacheLineSize();
} else {
return ZE_RESULT_ERROR_UNSUPPORTED_ENUMERATION;
}

1
level_zero/core/source/driver/driver_handle_imp_helper.cpp
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@@ -38,6 +38,7 @@ const std::vector<std::pair<std::string, uint32_t>> DriverHandleImp::extensionsS
{ZE_IMMEDIATE_COMMAND_LIST_APPEND_EXP_NAME, ZE_IMMEDIATE_COMMAND_LIST_APPEND_EXP_VERSION_1_0},
{ZE_GET_KERNEL_BINARY_EXP_NAME, ZE_KERNEL_GET_BINARY_EXP_VERSION_1_0},
{ZE_EXTERNAL_SEMAPHORES_EXTENSION_NAME, ZE_EXTERNAL_SEMAPHORE_EXT_VERSION_1_0},
{ZE_CACHELINE_SIZE_EXT_NAME, ZE_DEVICE_CACHE_LINE_SIZE_EXT_VERSION_1_0},
// Driver experimental extensions
{ZE_INTEL_DEVICE_MODULE_DP_PROPERTIES_EXP_NAME, ZE_INTEL_DEVICE_MODULE_DP_PROPERTIES_EXP_VERSION_CURRENT},

14
level_zero/core/test/unit_tests/sources/device/device_drm_or_wddm/test_device_exensions.cpp
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@@ -147,6 +147,20 @@ TEST_F(DeviceExtensionTest, whenGetExternalMemoryPropertiesWithoutOsInterfaceIsC
EXPECT_FALSE(externalMemoryProperties.memoryAllocationImportTypes & ZE_EXTERNAL_MEMORY_TYPE_FLAG_DMA_BUF);
}
TEST_F(DeviceExtensionTest, givenDeviceCacheLineSizeExtensionThenGetCachePropertiesReturnsDeviceCachLineSizeGreaterThanZero) {
ze_device_cache_line_size_ext_t cacheLineSizeExtDesc = {};
cacheLineSizeExtDesc.stype = ZE_STRUCTURE_TYPE_DEVICE_CACHELINE_SIZE_EXT;
ze_device_cache_properties_t deviceCacheProperties = {};
deviceCacheProperties.pNext = &cacheLineSizeExtDesc;
uint32_t count = 1;
ze_result_t res = device->getCacheProperties(&count, &deviceCacheProperties);
EXPECT_EQ(ZE_RESULT_SUCCESS, res);
EXPECT_NE(0u, cacheLineSizeExtDesc.cacheLineSize);
}
class MockCacheReservation : public CacheReservation {
public:
~MockCacheReservation() override = default;

14
level_zero/core/test/unit_tests/sources/device/device_wddm/test_device_exensions.cpp
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@@ -66,5 +66,19 @@ TEST_F(DeviceExtensionTest, whenGetExternalMemoryPropertiesIsCalledThenSuccessIs
EXPECT_TRUE(externalMemoryProperties.memoryAllocationImportTypes & ZE_EXTERNAL_MEMORY_TYPE_FLAG_D3D12_RESOURCE);
EXPECT_FALSE(externalMemoryProperties.memoryAllocationImportTypes & ZE_EXTERNAL_MEMORY_TYPE_FLAG_DMA_BUF);
}
TEST_F(DeviceExtensionTest, givenDeviceCacheLineSizeExtensionThenGetCachePropertiesReturnsDeviceCachLineSizeGreaterThanZeroOnWddm) {
ze_device_cache_line_size_ext_t cacheLineSizeExtDesc = {};
cacheLineSizeExtDesc.stype = ZE_STRUCTURE_TYPE_DEVICE_CACHELINE_SIZE_EXT;
ze_device_cache_properties_t deviceCacheProperties = {};
deviceCacheProperties.pNext = &cacheLineSizeExtDesc;
uint32_t count = 1;
ze_result_t res = device->getCacheProperties(&count, &deviceCacheProperties);
EXPECT_EQ(ZE_RESULT_SUCCESS, res);
EXPECT_NE(0u, cacheLineSizeExtDesc.cacheLineSize);
}
} // namespace ult
} // namespace L0

1
level_zero/core/test/unit_tests/sources/driver/test_driver.cpp
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@@ -1702,6 +1702,7 @@ TEST_F(DriverExtensionsTest, givenDriverHandleWhenAskingForExtensionsThenReturnC
verifyExtensionDefinition(ZE_IMMEDIATE_COMMAND_LIST_APPEND_EXP_NAME, ZE_IMMEDIATE_COMMAND_LIST_APPEND_EXP_VERSION_1_0);
verifyExtensionDefinition(ZE_GET_KERNEL_BINARY_EXP_NAME, ZE_KERNEL_GET_BINARY_EXP_VERSION_1_0);
verifyExtensionDefinition(ZE_EXTERNAL_SEMAPHORES_EXTENSION_NAME, ZE_EXTERNAL_SEMAPHORE_EXT_VERSION_1_0);
verifyExtensionDefinition(ZE_CACHELINE_SIZE_EXT_NAME, ZE_DEVICE_CACHE_LINE_SIZE_EXT_VERSION_1_0);
// Driver experimental extensions
verifyExtensionDefinition(ZE_INTEL_DEVICE_MODULE_DP_PROPERTIES_EXP_NAME, ZE_INTEL_DEVICE_MODULE_DP_PROPERTIES_EXP_VERSION_CURRENT);