Prepare for integration into rocr

Change-Id: I6102b9910dbb9d09e09bb262a03c5c0ad4ce66f4


[ROCm/ROCR-Runtime commit: 11fd5c2562]

projects/rocr-runtime/libhsakmt/tests/kfdtest/src/RDMATest.cpp

@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2016-2018 Advanced Micro Devices, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "RDMATest.hpp"
+#include "PM4Queue.hpp"
+#include "PM4Packet.hpp"
+#include "SDMAPacket.hpp"
+#include "SDMAQueue.hpp"
+#include "Dispatch.hpp"
+#include "RDMAUtil.hpp"
+
+void RDMATest::SetUp() {
+    ROUTINE_START
+
+    KFDBaseComponentTest::SetUp();
+
+    ROUTINE_END
+}
+
+void RDMATest::TearDown() {
+    ROUTINE_START
+
+    KFDBaseComponentTest::TearDown();
+
+    ROUTINE_END
+}
+
+TEST_F(RDMATest, GPUDirect) {
+    TEST_REQUIRE_ENV_CAPABILITIES(ENVCAPS_64BITLINUX);
+    TEST_START(TESTPROFILE_RUNALL);
+    HSAuint64 AlternateVAGPU;
+
+    PM4Queue queue;
+    unsigned int BufferSize = PAGE_SIZE;
+    int ret;
+
+    int defaultGPUNode = m_NodeInfo.HsaDefaultGPUNode();
+    ASSERT_GE(defaultGPUNode, 0) << "failed to get default GPU Node";
+
+    HsaMemoryBuffer isaBuffer(PAGE_SIZE, defaultGPUNode);
+    HsaMemoryBuffer srcSysBuffer(BufferSize, defaultGPUNode, false);
+    HsaMemoryBuffer srcLocalBuffer(BufferSize, defaultGPUNode, false, true);
+
+    ASSERT_SUCCESS(hsaKmtMapMemoryToGPU(srcSysBuffer.As<void*>(),
+                                        srcSysBuffer.Size(),
+                                        &AlternateVAGPU));
+    ASSERT_SUCCESS(hsaKmtMapMemoryToGPU(srcLocalBuffer.As<void*>(),
+                                        srcLocalBuffer.Size(),
+                                        &AlternateVAGPU));
+
+    /* Fill up srcSysBuffer */
+    srcSysBuffer.Fill(0xfe);
+
+    /* Put 'copy dword' command to ISA buffer */
+    ASSERT_SUCCESS(m_pAsm->RunAssembleBuf(CopyDwordIsa, isaBuffer.As<char*>()));
+
+
+    ASSERT_SUCCESS(queue.Create(defaultGPUNode));
+    Dispatch dispatch(isaBuffer);
+
+    /* Submit the command to GPU so GPU will copy from system memory
+     * (srcSysBuffer) to local memory(srcLocalBuffer)
+     */
+    dispatch.SetArgs(srcSysBuffer.As<void*>(), srcLocalBuffer.As<void*>());
+    dispatch.Submit(queue);
+    dispatch.Sync(g_TestTimeOut);  // GPU executed the command
+
+    EXPECT_SUCCESS(queue.Destroy());
+
+    LocalMemoryAccess Rdma;
+
+    Rdma.Open();
+    ASSERT_GE(Rdma.fd, 0) << "Failed to open RDMA";
+
+    /* GetPages asks the test driver to convert GPU virtual memory to DMA/
+     * Physical memory and save it in the list. rdma_mmap maps the memory to
+     * user space memory.
+     */
+    ret = Rdma.GetPages((uint64_t)srcLocalBuffer.As<void*>(), PAGE_SIZE);
+    ASSERT_EQ(ret, 0) << "Failed to get pages";
+
+    void *gpuAddr = Rdma.MMap((uint64_t)srcLocalBuffer.As<void*>(), PAGE_SIZE);
+    ASSERT_GE((uint64_t)gpuAddr, 0) << "Failed to map RDMA address.";
+
+    /* Read the memory to confirm that application can read the local memory
+     * correctly from the mapped address.
+     */
+    EXPECT_EQ(memcmp(gpuAddr, srcSysBuffer.As<void*>(), 4), 0);
+
+    Rdma.UnMap(gpuAddr, PAGE_SIZE);
+    Rdma.Close();
+
+    TEST_END
+}