Kent Russell
52536ba23b
ASSERT failures result in immediate termination of the test. EXPECT
returns a failure but continues execution. Reserve ASSERT for required
functionality (node initialization, queue creation, etc) where the rest
of the test cannot run if that call fails. Use EXPECT everywhere else
Change-Id: I1c11326fc3ae22b50fa83b07b3b49af1e1f4e69e
[ROCm/ROCR-Runtime commit: fe33461622]
353 строки
12 KiB
C++
353 строки
12 KiB
C++
/*
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* Copyright (C) 2014-2018 Advanced Micro Devices, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "KFDExceptionTest.hpp"
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#include "PM4Queue.hpp"
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#include "PM4Packet.hpp"
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#include "SDMAPacket.hpp"
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#include "SDMAQueue.hpp"
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#include "Dispatch.hpp"
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void KFDExceptionTest::SetUp() {
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ROUTINE_START
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KFDBaseComponentTest::SetUp();
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m_pIsaGen = IsaGenerator::Create(m_FamilyId);
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ROUTINE_END
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}
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void KFDExceptionTest::TearDown() {
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ROUTINE_START
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if (m_pIsaGen)
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delete m_pIsaGen;
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m_pIsaGen = NULL;
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KFDBaseComponentTest::TearDown();
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ROUTINE_END
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}
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/* Test for memory exception. The function expects a Memory Fault to be
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* triggered by the GPU when it tries to copy dword from pSrc to pDst.
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* Should be called from a Child Process since the Memory Fault causes
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* all the queues to be halted.
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*/
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void KFDExceptionTest::TestMemoryException(int defaultGPUNode, HSAuint64 pSrc,
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HSAuint64 pDst, unsigned int dimX,
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unsigned int dimY, unsigned int dimZ) {
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PM4Queue queue;
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HsaEvent *vmFaultEvent;
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HsaMemoryBuffer isaBuffer(PAGE_SIZE, defaultGPUNode, true/*zero*/, false/*local*/, true/*exec*/);
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HSAuint64 faultAddress, page_mask = ~((HSAuint64)PAGE_SIZE - 1);
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Dispatch dispatch(isaBuffer, false);
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HsaEventDescriptor eventDesc;
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eventDesc.EventType = HSA_EVENTTYPE_MEMORY;
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eventDesc.NodeId = defaultGPUNode;
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eventDesc.SyncVar.SyncVar.UserData = NULL;
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eventDesc.SyncVar.SyncVarSize = 0;
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m_pIsaGen->GetCopyDwordIsa(isaBuffer);
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m_ChildStatus = queue.Create(defaultGPUNode);
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if (m_ChildStatus != HSAKMT_STATUS_SUCCESS) {
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WARN() << "Queue create failed" << std::endl;
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return;
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}
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m_ChildStatus = hsaKmtCreateEvent(&eventDesc, true, false, &vmFaultEvent);
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if (m_ChildStatus != HSAKMT_STATUS_SUCCESS) {
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WARN() << "Event create failed" << std::endl;
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goto queuefail;
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}
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dispatch.SetDim(dimX, dimY, dimZ);
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dispatch.SetArgs(reinterpret_cast<void *>(pSrc), reinterpret_cast<void *>(pDst));
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dispatch.Submit(queue);
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m_ChildStatus = hsaKmtWaitOnEvent(vmFaultEvent, g_TestTimeOut);
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if (m_ChildStatus != HSAKMT_STATUS_SUCCESS) {
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WARN() << "Wait failed. No Exception triggered" << std::endl;
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goto eventfail;
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}
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if (vmFaultEvent->EventData.EventType != HSA_EVENTTYPE_MEMORY) {
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WARN() << "Unexpected Event Received " << vmFaultEvent->EventData.EventType
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<< std::endl;
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m_ChildStatus = HSAKMT_STATUS_ERROR;
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goto eventfail;
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}
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faultAddress = vmFaultEvent->EventData.EventData.MemoryAccessFault.VirtualAddress;
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if (faultAddress != (pSrc & page_mask) &&
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faultAddress != (pDst & page_mask) ) {
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WARN() << "Unexpected Fault Address " << faultAddress
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<< " expected " << (pSrc & page_mask) << " or "
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<< (pDst & page_mask) << std::endl;
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m_ChildStatus = HSAKMT_STATUS_ERROR;
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}
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eventfail:
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hsaKmtDestroyEvent(vmFaultEvent);
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queuefail:
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queue.Destroy();
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}
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/* Test Bad Address access in a child process */
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TEST_F(KFDExceptionTest, InvalidBadAddress) {
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TEST_REQUIRE_ENV_CAPABILITIES(ENVCAPS_64BITLINUX);
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TEST_START(TESTPROFILE_RUNALL);
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int defaultGPUNode = m_NodeInfo.HsaDefaultGPUNode();
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ASSERT_GE(defaultGPUNode, 0) << "failed to get default GPU Node";
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if (m_FamilyId == FAMILY_RV) {
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LOG() << "Skipping test: IOMMU issues on Raven." << std::endl;
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return;
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}
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m_ChildPid = fork();
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if (m_ChildPid == 0) {
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m_ChildStatus = hsaKmtOpenKFD();
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if (m_ChildStatus != HSAKMT_STATUS_SUCCESS) {
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WARN() << "KFD open failed in child process" << std::endl;
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return;
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}
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HsaMemoryBuffer srcBuffer(PAGE_SIZE, defaultGPUNode, false);
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srcBuffer.Fill(0xAA55AA55);
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TestMemoryException(defaultGPUNode, srcBuffer.As<HSAuint64>(),
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0x12345678ULL);
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} else {
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int childStatus;
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waitpid(m_ChildPid, &childStatus, 0);
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if (is_dgpu()) {
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EXPECT_EQ(WIFEXITED(childStatus), true);
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EXPECT_EQ(WEXITSTATUS(childStatus), HSAKMT_STATUS_SUCCESS);
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} else {
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EXPECT_EQ(WIFSIGNALED(childStatus), true);
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EXPECT_EQ(WTERMSIG(childStatus), SIGSEGV);
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}
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}
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TEST_END
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}
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/* TODO: Check why this test doesn't behave as expected.
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* Expected behaviour: Since pDst is not mapped in GPU VM, an attempt
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* to write to pDst should trigger a Memory Fault.
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* However, If pDst > 40bits (MC Size) GPU does not create Memory Fault.
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* An EOP interrupt is generated however as expected no data is copied
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* into pDst.
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*/
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TEST_F(KFDExceptionTest, InvalidPPRWriteProtection) {
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TEST_REQUIRE_ENV_CAPABILITIES(ENVCAPS_64BITLINUX);
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TEST_START(TESTPROFILE_RUNALL);
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int defaultGPUNode = m_NodeInfo.HsaDefaultGPUNode();
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ASSERT_GE(defaultGPUNode, 0) << "failed to get default GPU Node";
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if (is_dgpu()) {
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LOG() << "Skipping test: Test requires APU." << std::endl;
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return;
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}
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if (m_FamilyId == FAMILY_RV) {
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LOG() << "Skipping test: IOMMU issues on Raven." << std::endl;
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return;
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}
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m_ChildPid = fork();
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if (m_ChildPid == 0) {
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m_ChildStatus = hsaKmtOpenKFD();
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if (m_ChildStatus != HSAKMT_STATUS_SUCCESS) {
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WARN() << "KFD open failed in child process" << std::endl;
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return;
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}
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HsaMemoryBuffer srcBuffer(PAGE_SIZE, defaultGPUNode, false);
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void* pDst = VirtualAllocMemory(NULL, PAGE_SIZE, MEM_READ);
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LOG() << "PPR dst address is " << pDst << std::endl;
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srcBuffer.Fill(0xAA55AA55);
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TestMemoryException(defaultGPUNode, srcBuffer.As<HSAuint64>(),
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(HSAuint64)pDst);
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/* Wait for enough time here to ensure this process got killed by kernel
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* due to PPR exception.
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*/
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sleep(5);
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} else {
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int childStatus;
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waitpid(m_ChildPid, &childStatus, 0);
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EXPECT_EQ(WIFSIGNALED(childStatus), true);
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EXPECT_EQ(WTERMSIG(childStatus), SIGSEGV);
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}
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TEST_END
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}
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/* TODO: Same as previous test InvalidPPRWriteProtection */
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TEST_F(KFDExceptionTest, InvalidPPRReadProtection) {
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TEST_REQUIRE_ENV_CAPABILITIES(ENVCAPS_64BITLINUX);
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TEST_START(TESTPROFILE_RUNALL);
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int defaultGPUNode = m_NodeInfo.HsaDefaultGPUNode();
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ASSERT_GE(defaultGPUNode, 0) << "failed to get default GPU Node";
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if (is_dgpu()) {
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LOG() << "Skipping test: Test requires APU." << std::endl;
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return;
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}
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if (m_FamilyId == FAMILY_RV) {
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LOG() << "Skipping test: IOMMU issues on Raven." << std::endl;
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return;
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}
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m_ChildPid = fork();
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if (m_ChildPid == 0) {
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m_ChildStatus = hsaKmtOpenKFD();
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if (m_ChildStatus != HSAKMT_STATUS_SUCCESS) {
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WARN() << "KFD open failed in child process" << std::endl;
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return;
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}
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HsaMemoryBuffer dstBuffer(PAGE_SIZE, defaultGPUNode, false);
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void* pSrc = VirtualAllocMemory(NULL, PAGE_SIZE, MEM_NONE);
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LOG() << "PPR src address is " << pSrc << std::endl;
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dstBuffer.Fill(0xAA55AA55);
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TestMemoryException(defaultGPUNode, (HSAuint64)pSrc,
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dstBuffer.As<HSAuint64>());
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/* Wait for enough time here to ensure this process got killed by kernel
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* due to PPR exception.
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*/
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sleep(5);
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} else {
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int childStatus;
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waitpid(m_ChildPid, &childStatus, 0);
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EXPECT_EQ(WIFSIGNALED(childStatus), true);
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EXPECT_EQ(WTERMSIG(childStatus), SIGSEGV);
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}
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TEST_END
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}
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/* Allocate Read Only buffer. Test Memory Exception failure by
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* attempting to write to that buffer in the child process.
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*/
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TEST_F(KFDExceptionTest, InvalidWriteAddress) {
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TEST_REQUIRE_ENV_CAPABILITIES(ENVCAPS_64BITLINUX);
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TEST_START(TESTPROFILE_RUNALL)
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int defaultGPUNode = m_NodeInfo.HsaDefaultGPUNode();
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ASSERT_GE(defaultGPUNode, 0) << "failed to get default GPU Node";
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if (m_FamilyId == FAMILY_RV) {
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LOG() << "Skipping test: IOMMU issues on Raven." << std::endl;
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return;
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}
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m_ChildPid = fork();
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if (m_ChildPid == 0) {
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m_ChildStatus = hsaKmtOpenKFD();
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if (m_ChildStatus != HSAKMT_STATUS_SUCCESS) {
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WARN() << "KFD open failed in child process" << std::endl;
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return;
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}
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HsaMemoryBuffer readOnlyBuffer(PAGE_SIZE, defaultGPUNode, false /*zero*/,
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false /*isLocal*/, true /*isExec*/,
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false /*isScratch*/, true /*isReadOnly*/);
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HsaMemoryBuffer srcSysBuffer(PAGE_SIZE, defaultGPUNode, false);
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srcSysBuffer.Fill(0xAA55AA55);
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TestMemoryException(defaultGPUNode, srcSysBuffer.As<HSAuint64>(),
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readOnlyBuffer.As<HSAuint64>());
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} else {
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int childStatus;
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waitpid(m_ChildPid, &childStatus, 0);
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if (is_dgpu()) {
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EXPECT_EQ(WIFEXITED(childStatus), true);
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EXPECT_EQ(WEXITSTATUS(childStatus), HSAKMT_STATUS_SUCCESS);
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} else {
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EXPECT_EQ(WIFSIGNALED(childStatus), true);
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EXPECT_EQ(WTERMSIG(childStatus), SIGSEGV);
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}
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}
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TEST_END
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}
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/* Test VM fault storm handling by copying to/from invalid pointers
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* with lots of work items at the same time
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*/
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TEST_F(KFDExceptionTest, FaultStorm) {
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TEST_REQUIRE_ENV_CAPABILITIES(ENVCAPS_64BITLINUX);
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TEST_START(TESTPROFILE_RUNALL)
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int defaultGPUNode = m_NodeInfo.HsaDefaultGPUNode();
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ASSERT_GE(defaultGPUNode, 0) << "failed to get default GPU Node";
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if (m_FamilyId == FAMILY_RV) {
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LOG() << "Skipping test: IOMMU issues on Raven." << std::endl;
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return;
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}
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HSAKMT_STATUS status;
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m_ChildPid = fork();
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if (m_ChildPid == 0) {
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m_ChildStatus = hsaKmtOpenKFD();
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if (m_ChildStatus != HSAKMT_STATUS_SUCCESS) {
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WARN() << "KFD open failed in child process" << std::endl;
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return;
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}
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TestMemoryException(defaultGPUNode, 0x12345678, 0x76543210, 1024, 1024, 1);
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} else {
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int childStatus;
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waitpid(m_ChildPid, &childStatus, 0);
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if (is_dgpu()) {
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EXPECT_EQ(WIFEXITED(childStatus), true);
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EXPECT_EQ(WEXITSTATUS(childStatus), HSAKMT_STATUS_SUCCESS);
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} else {
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EXPECT_EQ(WIFSIGNALED(childStatus), true);
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EXPECT_EQ(WTERMSIG(childStatus), SIGSEGV);
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}
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}
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TEST_END
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}
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