foreman
37faef47ba
SWDEV-145570 - Initial hip api checkin Affected files ... ... //depot/stg/opencl/drivers/opencl/api/hip/hip_memory.cpp#2 edit
123 regels
3.7 KiB
C++
123 regels
3.7 KiB
C++
/*
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Copyright (c) 2015 - present Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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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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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 THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include <hip/hip_runtime.h>
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#include "hip_internal.hpp"
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hipError_t hipMalloc(void** ptr, size_t sizeBytes)
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{
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HIP_INIT_API(ptr, sizeBytes);
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amd::Context* context = as_amd(g_currentCtx);
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if (sizeBytes == 0) {
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*ptr = nullptr;
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return hipSuccess;
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}
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else if (!is_valid(context) || !ptr) {
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return hipErrorInvalidValue;
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}
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auto deviceHandle = as_amd(g_deviceArray[0]);
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if ((deviceHandle->info().maxMemAllocSize_ < size)) {
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return hipErrorOutOfMemory;
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}
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amd::Memory* mem = new (*context) amd::Buffer(*context, 0, sizeBytes);
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if (!mem) {
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return hipErrorOutOfMemory;
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}
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if (!mem->create(nullptr)) {
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return hipErrorMemoryAllocation;
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}
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*ptr = reinterpret_cast<void*>(as_cl(mem));
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return hipSuccess;
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}
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hipError_t hipFree(void* ptr)
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{
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if (!is_valid(reinterpret_cast<cl_mem>(ptr))) {
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return hipErrorInvalidValue;
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}
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as_amd(reinterpret_cast<cl_mem>(ptr))->release();
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return hipSuccess;
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}
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hipError_t hipMemcpy(void* dst, const void* src, size_t sizeBytes, hipMemcpyKind kind)
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{
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HIP_INIT_API(dst, src, sizeBytes, kind);
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amd::Context* context = as_amd(g_currentCtx);
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amd::Device* device = context->devices()[0];
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// FIXME : Do we create a queue here or create at init and just reuse
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amd::HostQueue* queue = new amd::HostQueue(*context, *device, 0,
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amd::CommandQueue::RealTimeDisabled,
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amd::CommandQueue::Priority::Normal);
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if (!queue) {
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return hipErrorOutOfMemory;
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}
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amd::Buffer* srcBuffer = as_amd(reinterpret_cast<cl_mem>(const_cast<void*>(src)))->asBuffer();
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amd::Buffer* dstBuffer = as_amd(reinterpret_cast<cl_mem>(const_cast<void*>(dst)))->asBuffer();
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amd::Command* command;
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amd::Command::EventWaitList waitList;
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switch (kind) {
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case hipMemcpyDeviceToHost:
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command = new amd::ReadMemoryCommand(*queue, CL_COMMAND_READ_BUFFER, waitList,
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srcBuffer, 0, sizeBytes, dst);
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break;
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case hipMemcpyHostToDevice:
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command = new amd::WriteMemoryCommand(*queue, CL_COMMAND_WRITE_BUFFER, waitList,
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dstBuffer, 0, sizeBytes, src);
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break;
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default:
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assert(!"Shouldn't reach here");
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break;
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}
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if (!command) {
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return hipErrorOutOfMemory;
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}
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// Make sure we have memory for the command execution
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if (CL_SUCCESS != command->validateMemory()) {
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delete command;
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return hipErrorMemoryAllocation;
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}
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command->enqueue();
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command->awaitCompletion();
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command->release();
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queue->release();
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return hipSuccess;
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}
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