90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
//===--- amdgpu/impl/atmi_interop_hsa.cpp ------------------------- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "atmi_interop_hsa.h"
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#include "internal.h"
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#include "machine.h"
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// TODO: need to get rid of this as well
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extern ATLMachine g_atl_machine;
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hsa_status_t atmi_interop_hsa_get_symbol_info(
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const std::map<std::string, atl_symbol_info_t> &SymbolInfoTable,
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int DeviceId, const char *symbol, void **var_addr, unsigned int *var_size) {
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/*
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// Typical usage:
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void *var_addr;
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size_t var_size;
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atmi_interop_hsa_get_symbol_addr(gpu_place, "symbol_name", &var_addr,
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&var_size);
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atmi_memcpy(signal, host_add, var_addr, var_size);
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*/
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if (!symbol || !var_addr || !var_size)
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return HSA_STATUS_ERROR;
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// get the symbol info
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std::string symbolStr = std::string(symbol);
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auto It = SymbolInfoTable.find(symbolStr);
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if (It != SymbolInfoTable.end()) {
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atl_symbol_info_t info = It->second;
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*var_addr = reinterpret_cast<void *>(info.addr);
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*var_size = info.size;
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return HSA_STATUS_SUCCESS;
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} else {
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*var_addr = NULL;
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*var_size = 0;
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return HSA_STATUS_ERROR;
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}
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}
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hsa_status_t atmi_interop_hsa_get_kernel_info(
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const std::map<std::string, atl_kernel_info_t> &KernelInfoTable,
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int DeviceId, const char *kernel_name,
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hsa_executable_symbol_info_t kernel_info, uint32_t *value) {
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/*
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// Typical usage:
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uint32_t value;
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atmi_interop_hsa_get_kernel_addr(gpu_place, "kernel_name",
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HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_KERNARG_SEGMENT_SIZE,
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&val);
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*/
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if (!kernel_name || !value)
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return HSA_STATUS_ERROR;
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hsa_status_t status = HSA_STATUS_SUCCESS;
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// get the kernel info
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std::string kernelStr = std::string(kernel_name);
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auto It = KernelInfoTable.find(kernelStr);
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if (It != KernelInfoTable.end()) {
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atl_kernel_info_t info = It->second;
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switch (kernel_info) {
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case HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_GROUP_SEGMENT_SIZE:
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*value = info.group_segment_size;
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break;
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case HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_PRIVATE_SEGMENT_SIZE:
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*value = info.private_segment_size;
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break;
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case HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_KERNARG_SEGMENT_SIZE:
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// return the size for non-implicit args
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*value = info.kernel_segment_size - sizeof(atmi_implicit_args_t);
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break;
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default:
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*value = 0;
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status = HSA_STATUS_ERROR;
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break;
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}
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} else {
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*value = 0;
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status = HSA_STATUS_ERROR;
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}
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return status;
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}
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