Reorganize project folders (#6)

library/src/utility/device_memory.cpp

@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
+
+#include "ck/host_utility/hip_check_error.hpp"
+
+#include "ck/library/utility/device_memory.hpp"
+
+DeviceMem::DeviceMem(std::size_t mem_size) : mMemSize(mem_size)
+{
+    hip_check_error(hipMalloc(static_cast<void**>(&mpDeviceBuf), mMemSize));
+}
+
+void DeviceMem::Realloc(std::size_t mem_size)
+{
+    if(mpDeviceBuf)
+    {
+        hip_check_error(hipFree(mpDeviceBuf));
+    }
+    mMemSize = mem_size;
+    hip_check_error(hipMalloc(static_cast<void**>(&mpDeviceBuf), mMemSize));
+}
+
+void* DeviceMem::GetDeviceBuffer() const { return mpDeviceBuf; }
+
+std::size_t DeviceMem::GetBufferSize() const { return mMemSize; }
+
+void DeviceMem::ToDevice(const void* p) const
+{
+    if(mpDeviceBuf)
+    {
+        hip_check_error(
+            hipMemcpy(mpDeviceBuf, const_cast<void*>(p), mMemSize, hipMemcpyHostToDevice));
+    }
+    else
+    {
+        throw std::runtime_error("ToDevice with an empty pointer");
+    }
+}
+
+void DeviceMem::ToDevice(const void* p, const std::size_t cpySize) const
+{
+    hip_check_error(hipMemcpy(mpDeviceBuf, const_cast<void*>(p), cpySize, hipMemcpyHostToDevice));
+}
+
+void DeviceMem::FromDevice(void* p) const
+{
+    if(mpDeviceBuf)
+    {
+        hip_check_error(hipMemcpy(p, mpDeviceBuf, mMemSize, hipMemcpyDeviceToHost));
+    }
+    else
+    {
+        throw std::runtime_error("FromDevice with an empty pointer");
+    }
+}
+
+void DeviceMem::FromDevice(void* p, const std::size_t cpySize) const
+{
+    hip_check_error(hipMemcpy(p, mpDeviceBuf, cpySize, hipMemcpyDeviceToHost));
+}
+
+void DeviceMem::SetZero() const
+{
+    if(mpDeviceBuf)
+    {
+        hip_check_error(hipMemset(mpDeviceBuf, 0, mMemSize));
+    }
+}
+
+DeviceMem::~DeviceMem()
+{
+    if(mpDeviceBuf)
+    {
+        hip_check_error(hipFree(mpDeviceBuf));
+    }
+}