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