feature: add getMaxLocalSubRegionSize() to product helper

Related-To: NEO-13954

Signed-off-by: Mateusz Hoppe <mateusz.hoppe@intel.com>

Author: HoppeMateusz

shared/source/gen12lp/os_agnostic_product_helper_gen12lp.inl

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2024 Intel Corporation
+ * Copyright (C) 2021-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -31,4 +31,8 @@ template <>
 uint32_t ProductHelperHw<gfxProduct>::getMaxLocalRegionSize(const HardwareInfo &hwInfo) const {
     return 0;
 }
+template <>
+uint32_t ProductHelperHw<gfxProduct>::getMaxLocalSubRegionSize(const HardwareInfo &hwInfo) const {
+    return 0;
+}
 } // namespace NEO

shared/source/os_interface/product_helper.h

@@ -243,6 +243,7 @@ class ProductHelper {
     virtual bool deferMOCSToPatIndex() const = 0;
     virtual const std::vector<uint32_t> getSupportedLocalDispatchSizes(const HardwareInfo &hwInfo) const = 0;
     virtual uint32_t getMaxLocalRegionSize(const HardwareInfo &hwInfo) const = 0;
+    virtual uint32_t getMaxLocalSubRegionSize(const HardwareInfo &hwInfo) const = 0;
     virtual bool localDispatchSizeQuerySupported() const = 0;
     virtual bool supportReadOnlyAllocations() const = 0;
     virtual bool isDeviceToHostCopySignalingFenceRequired() const = 0;

shared/source/os_interface/product_helper_hw.h

@@ -185,6 +185,7 @@ class ProductHelperHw : public ProductHelper {
     bool supportReadOnlyAllocations() const override;
     const std::vector<uint32_t> getSupportedLocalDispatchSizes(const HardwareInfo &hwInfo) const override;
     uint32_t getMaxLocalRegionSize(const HardwareInfo &hwInfo) const override;
+    uint32_t getMaxLocalSubRegionSize(const HardwareInfo &hwInfo) const override;
     bool localDispatchSizeQuerySupported() const override;
     bool isDeviceToHostCopySignalingFenceRequired() const override;
     size_t getMaxFillPaternSizeForCopyEngine() const override;

shared/source/os_interface/product_helper_xe2_and_later.inl

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2024 Intel Corporation
+ * Copyright (C) 2024-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -25,6 +25,11 @@ uint32_t ProductHelperHw<gfxProduct>::getMaxLocalRegionSize(const HardwareInfo &
     return 0;
 }
 
+template <PRODUCT_FAMILY gfxProduct>
+uint32_t ProductHelperHw<gfxProduct>::getMaxLocalSubRegionSize(const HardwareInfo &hwInfo) const {
+    return 0;
+}
+
 template <PRODUCT_FAMILY gfxProduct>
 uint64_t ProductHelperHw<gfxProduct>::getHostMemCapabilitiesValue() const {
     return (UnifiedSharedMemoryFlags::access | UnifiedSharedMemoryFlags::atomicAccess);

shared/source/os_interface/product_helper_xe_hpg_and_xe_hpc.inl

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2024 Intel Corporation
+ * Copyright (C) 2021-2025 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -18,6 +18,10 @@ template <PRODUCT_FAMILY gfxProduct>
 uint32_t ProductHelperHw<gfxProduct>::getMaxLocalRegionSize(const HardwareInfo &hwInfo) const {
     return 0;
 }
+template <PRODUCT_FAMILY gfxProduct>
+uint32_t ProductHelperHw<gfxProduct>::getMaxLocalSubRegionSize(const HardwareInfo &hwInfo) const {
+    return 0;
+}
 
 template <PRODUCT_FAMILY gfxProduct>
 uint64_t ProductHelperHw<gfxProduct>::getHostMemCapabilitiesValue() const {

shared/test/common/mocks/mock_product_helper.cpp

@@ -30,6 +30,11 @@ uint32_t ProductHelperHw<IGFX_UNKNOWN>::getMaxLocalRegionSize(const HardwareInfo
     return 0;
 }
 
+template <>
+uint32_t ProductHelperHw<IGFX_UNKNOWN>::getMaxLocalSubRegionSize(const HardwareInfo &hwInfo) const {
+    return 0;
+}
+
 template <>
 uint32_t ProductHelperHw<IGFX_UNKNOWN>::getMaxThreadsForWorkgroupInDSSOrSS(const HardwareInfo &hwInfo, uint32_t maxNumEUsPerSubSlice, uint32_t maxNumEUsPerDualSubSlice) const {
     return 0;

shared/test/common/test_macros/header/common_matchers.h

@@ -49,6 +49,7 @@ using IsXe2HpgCoreOrXe3Core = IsAnyGfxCores<IGFX_XE2_HPG_CORE, IGFX_XE3_CORE>;
 
 using IsXe3Core = IsGfxCore<IGFX_XE3_CORE>;
 using IsAtLeastXe3Core = IsAtLeastGfxCore<IGFX_XE3_CORE>;
+using IsAtMostXe3Core = IsAtMostGfxCore<IGFX_XE3_CORE>;
 
 using IsTGLLP = IsProduct<IGFX_TIGERLAKE_LP>;
 using IsDG1 = IsProduct<IGFX_DG1>;

shared/test/unit_test/os_interface/product_helper_tests.cpp

@@ -1122,3 +1122,8 @@ HWTEST_F(ProductHelperTest, whenAdjustScratchSizeThenSizeIsNotChanged) {
 HWTEST_F(ProductHelperTest, givenProductHelperWhenCheckingIs2MBLocalMemAlignmentEnabledThenCorrectValueIsReturned) {
     EXPECT_FALSE(productHelper->is2MBLocalMemAlignmentEnabled());
 }
+
+HWTEST2_F(ProductHelperTest, WhenCheckAssignEngineRoundRobinSupportedThenReturnFalse, IsAtMostXe3Core) {
+    auto hwInfo = *defaultHwInfo;
+    EXPECT_EQ(0u, productHelper->getMaxLocalSubRegionSize(hwInfo));
+}