84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/*
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* Copyright (C) 2017-2019 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#include "runtime/os_interface/linux/drm_null_device.h"
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#include "test.h"
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#include "unit_tests/helpers/debug_manager_state_restore.h"
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#include "unit_tests/linux/drm_wrap.h"
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#include "unit_tests/linux/mock_os_layer.h"
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#include <memory>
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using namespace NEO;
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class DrmNullDeviceTestsFixture {
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public:
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void SetUp() {
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// Create nullDevice drm
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DebugManager.flags.EnableNullHardware.set(true);
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DrmWrap::createDrm(0);
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// Obtain nullDevice drm
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drmNullDevice = DrmWrap::get(0);
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ASSERT_NE(drmNullDevice, nullptr);
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}
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void TearDown() {
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// Close drm
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DrmWrap::closeDevice(0);
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}
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Drm *drmNullDevice;
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protected:
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DebugManagerStateRestore dbgRestorer;
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};
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typedef Test<DrmNullDeviceTestsFixture> DrmNullDeviceTests;
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TEST_F(DrmNullDeviceTests, GIVENdrmNullDeviceWHENcallGetDeviceIdTHENreturnProperDeviceId) {
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int deviceIdQueried = 0;
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int ret = drmNullDevice->getDeviceID(deviceIdQueried);
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EXPECT_EQ(0, ret);
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EXPECT_EQ(deviceId, deviceIdQueried);
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}
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TEST_F(DrmNullDeviceTests, GIVENdrmNullDeviceWHENcallIoctlTHENalwaysSuccess) {
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EXPECT_EQ(drmNullDevice->ioctl(0, nullptr), 0);
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}
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TEST_F(DrmNullDeviceTests, GIVENdrmNullDeviceWHENregReadOtherThenTimestampReadTHENalwaysSuccess) {
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struct drm_i915_reg_read arg;
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arg.offset = 0;
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ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), 0);
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}
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TEST_F(DrmNullDeviceTests, GIVENdrmNullDeviceWHENgetGpuTimestamp32bOr64bTHENerror) {
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struct drm_i915_reg_read arg;
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arg.offset = TIMESTAMP_LOW_REG;
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ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), -1);
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arg.offset = TIMESTAMP_HIGH_REG;
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ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), -1);
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}
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TEST_F(DrmNullDeviceTests, GIVENdrmNullDeviceWHENgetGpuTimestamp36bTHENproperValues) {
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struct drm_i915_reg_read arg;
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arg.offset = TIMESTAMP_LOW_REG | 1;
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ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), 0);
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EXPECT_EQ(arg.val, 1000ULL);
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ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), 0);
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EXPECT_EQ(arg.val, 2000ULL);
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ASSERT_EQ(drmNullDevice->ioctl(DRM_IOCTL_I915_REG_READ, &arg), 0);
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EXPECT_EQ(arg.val, 3000ULL);
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}
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