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| 1 | +/* |
| 2 | + * Copyright (C) 2025 Intel Corporation |
| 3 | + * SPDX-License-Identifier: MIT |
| 4 | + */ |
| 5 | + |
| 6 | + |
| 7 | +#include "gtest/gtest.h" |
| 8 | +#include "source/loader/ze_loader_internal.h" |
| 9 | +#include "ze_api.h" |
| 10 | +#include <vector> |
| 11 | +#include <string> |
| 12 | + |
| 13 | +class InitDriverUnitTest : public ::testing::Test { |
| 14 | +protected: |
| 15 | + void SetUp() override { |
| 16 | + if (!loader::context) { |
| 17 | + loader::context = new loader::context_t(); |
| 18 | + loader::context->debugTraceEnabled = false; |
| 19 | + } |
| 20 | + } |
| 21 | +}; |
| 22 | +// Helper to create a mock null driver with a given name and type |
| 23 | +loader::driver_t createNullDriver(const std::string& name, loader::zel_driver_type_t type) { |
| 24 | + loader::driver_t driver; |
| 25 | +#ifdef _WIN32 |
| 26 | + driver.name = name + ".dll"; |
| 27 | +#else |
| 28 | + driver.name = "lib" + name + ".so.1"; |
| 29 | +#endif |
| 30 | + driver.driverType = type; |
| 31 | + driver.handle = nullptr; // Simulate null driver |
| 32 | + driver.initStatus = ZE_RESULT_SUCCESS; |
| 33 | + driver.driverInuse = false; |
| 34 | + driver.ddiInitialized = false; |
| 35 | + return driver; |
| 36 | +} |
| 37 | + |
| 38 | + |
| 39 | +TEST_F(InitDriverUnitTest, InitWithSingleGPUDriver) { |
| 40 | + loader::driver_t gpuDriver = createNullDriver("ze_fake_gpu", loader::ZEL_DRIVER_TYPE_DISCRETE_GPU); |
| 41 | + ze_result_t result = loader::context->init_driver(gpuDriver, ZE_INIT_FLAG_GPU_ONLY, nullptr, nullptr, nullptr, false); |
| 42 | + EXPECT_EQ(result, ZE_RESULT_SUCCESS); |
| 43 | + EXPECT_TRUE(gpuDriver.ddiInitialized); |
| 44 | +} |
| 45 | + |
| 46 | +TEST_F(InitDriverUnitTest, InitWithSingleNPUDriver) { |
| 47 | + loader::driver_t npuDriver = createNullDriver("ze_fake_npu", loader::ZEL_DRIVER_TYPE_NPU); |
| 48 | + ze_init_driver_type_desc_t desc = {}; |
| 49 | + desc.flags = ZE_INIT_DRIVER_TYPE_FLAG_NPU; |
| 50 | + ze_result_t result = loader::context->init_driver(npuDriver, 0, &desc, nullptr, nullptr, false); |
| 51 | + EXPECT_EQ(result, ZE_RESULT_SUCCESS); |
| 52 | + EXPECT_TRUE(npuDriver.ddiInitialized); |
| 53 | +} |
| 54 | + |
| 55 | +TEST_F(InitDriverUnitTest, InitWithSingleVPUDriver) { |
| 56 | + loader::driver_t vpuDriver = createNullDriver("ze_fake_vpu", loader::ZEL_DRIVER_TYPE_NPU); |
| 57 | + ze_result_t result = loader::context->init_driver(vpuDriver, ZE_INIT_FLAG_VPU_ONLY, nullptr, nullptr, nullptr, false); |
| 58 | + EXPECT_EQ(result, ZE_RESULT_SUCCESS); |
| 59 | + EXPECT_TRUE(vpuDriver.ddiInitialized); |
| 60 | +} |
| 61 | + |
| 62 | +TEST_F(InitDriverUnitTest, zeInitWithMultipleDrivers) { |
| 63 | + std::vector<loader::driver_t> drivers = { |
| 64 | + createNullDriver("ze_fake_gpu", loader::ZEL_DRIVER_TYPE_DISCRETE_GPU), |
| 65 | + createNullDriver("ze_fake_npu", loader::ZEL_DRIVER_TYPE_NPU), |
| 66 | + createNullDriver("ze_fake_vpu", loader::ZEL_DRIVER_TYPE_NPU) |
| 67 | + }; |
| 68 | + for (auto& driver : drivers) { |
| 69 | + ze_result_t result = loader::context->init_driver(driver, 0, nullptr, nullptr, nullptr, false); |
| 70 | + EXPECT_EQ(result, ZE_RESULT_SUCCESS); |
| 71 | + EXPECT_TRUE(driver.ddiInitialized); |
| 72 | + } |
| 73 | +} |
| 74 | + |
| 75 | +TEST_F(InitDriverUnitTest, zeInitDriversWithMultipleDrivers) { |
| 76 | + std::vector<loader::driver_t> drivers = { |
| 77 | + createNullDriver("ze_fake_gpu", loader::ZEL_DRIVER_TYPE_DISCRETE_GPU), |
| 78 | + createNullDriver("ze_fake_npu", loader::ZEL_DRIVER_TYPE_NPU), |
| 79 | + createNullDriver("ze_fake_vpu", loader::ZEL_DRIVER_TYPE_NPU) |
| 80 | + }; |
| 81 | + ze_init_driver_type_desc_t desc = {}; |
| 82 | + desc.flags = UINT32_MAX; // Request all driver types |
| 83 | + for (auto& driver : drivers) { |
| 84 | + ze_result_t result = loader::context->init_driver(driver, 0, &desc, nullptr, nullptr, false); |
| 85 | + EXPECT_EQ(result, ZE_RESULT_SUCCESS); |
| 86 | + EXPECT_TRUE(driver.ddiInitialized); |
| 87 | + } |
| 88 | +} |
| 89 | + |
| 90 | +TEST_F(InitDriverUnitTest, zeInitDriversWithMultipleDriversNPURequested) { |
| 91 | + std::vector<loader::driver_t> drivers = { |
| 92 | + createNullDriver("ze_fake_gpu", loader::ZEL_DRIVER_TYPE_DISCRETE_GPU), |
| 93 | + createNullDriver("ze_fake_npu", loader::ZEL_DRIVER_TYPE_NPU), |
| 94 | + createNullDriver("ze_fake_vpu", loader::ZEL_DRIVER_TYPE_NPU) |
| 95 | + }; |
| 96 | + ze_init_driver_type_desc_t desc = {}; |
| 97 | + desc.flags = ZE_INIT_DRIVER_TYPE_FLAG_NPU; // Request NPU driver types |
| 98 | + for (auto& driver : drivers) { |
| 99 | + if (driver.driverType == loader::ZEL_DRIVER_TYPE_NPU) { |
| 100 | + ze_result_t result = loader::context->init_driver(driver, 0, &desc, nullptr, nullptr, false); |
| 101 | + EXPECT_EQ(result, ZE_RESULT_SUCCESS); |
| 102 | + EXPECT_TRUE(driver.ddiInitialized); |
| 103 | + } else { |
| 104 | + ze_result_t result = loader::context->init_driver(driver, 0, &desc, nullptr, nullptr, false); |
| 105 | + EXPECT_NE(result, ZE_RESULT_SUCCESS); |
| 106 | + EXPECT_FALSE(driver.ddiInitialized); |
| 107 | + } |
| 108 | + } |
| 109 | +} |
| 110 | + |
| 111 | +TEST_F(InitDriverUnitTest, zeInitDriversWithMultipleDriversGPURequested) { |
| 112 | + std::vector<loader::driver_t> drivers = { |
| 113 | + createNullDriver("ze_fake_gpu", loader::ZEL_DRIVER_TYPE_DISCRETE_GPU), |
| 114 | + createNullDriver("ze_fake_npu", loader::ZEL_DRIVER_TYPE_NPU), |
| 115 | + createNullDriver("ze_fake_vpu", loader::ZEL_DRIVER_TYPE_NPU) |
| 116 | + }; |
| 117 | + ze_init_driver_type_desc_t desc = {}; |
| 118 | + desc.flags = ZE_INIT_DRIVER_TYPE_FLAG_GPU; // Request GPU driver types |
| 119 | + for (auto& driver : drivers) { |
| 120 | + if (driver.driverType == loader::ZEL_DRIVER_TYPE_DISCRETE_GPU) { |
| 121 | + ze_result_t result = loader::context->init_driver(driver, 0, &desc, nullptr, nullptr, false); |
| 122 | + EXPECT_EQ(result, ZE_RESULT_SUCCESS); |
| 123 | + EXPECT_TRUE(driver.ddiInitialized); |
| 124 | + } else { |
| 125 | + ze_result_t result = loader::context->init_driver(driver, 0, &desc, nullptr, nullptr, false); |
| 126 | + EXPECT_NE(result, ZE_RESULT_SUCCESS); |
| 127 | + EXPECT_FALSE(driver.ddiInitialized); |
| 128 | + } |
| 129 | + } |
| 130 | +} |
| 131 | + |
| 132 | +TEST_F(InitDriverUnitTest, InitWithUnsupportedNullDriverType) { |
| 133 | + loader::driver_t otherDriver = createNullDriver("ze_fake_other", loader::ZEL_DRIVER_TYPE_OTHER); |
| 134 | + ze_result_t result = loader::context->init_driver(otherDriver, 0, nullptr, nullptr, nullptr, false); |
| 135 | + EXPECT_NE(result, ZE_RESULT_SUCCESS); |
| 136 | + EXPECT_FALSE(otherDriver.ddiInitialized); |
| 137 | +} |
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