71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
//===--- amdgpu/impl/data.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_runtime.h"
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#include "hsa_api.h"
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#include "internal.h"
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#include "machine.h"
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#include "rt.h"
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#include <cassert>
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#include <stdio.h>
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#include <string.h>
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#include <vector>
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using core::TaskImpl;
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extern ATLMachine g_atl_machine;
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namespace core {
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namespace {
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ATLProcessor &get_processor_by_mem_place(int DeviceId,
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atmi_devtype_t DeviceType) {
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switch (DeviceType) {
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case ATMI_DEVTYPE_CPU:
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return g_atl_machine.processors<ATLCPUProcessor>()[DeviceId];
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case ATMI_DEVTYPE_GPU:
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return g_atl_machine.processors<ATLGPUProcessor>()[DeviceId];
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}
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}
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hsa_amd_memory_pool_t get_memory_pool_by_mem_place(int DeviceId,
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atmi_devtype_t DeviceType) {
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ATLProcessor &proc = get_processor_by_mem_place(DeviceId, DeviceType);
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return get_memory_pool(proc, 0 /*Memory Type (always zero) */);
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}
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} // namespace
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hsa_status_t Runtime::DeviceMalloc(void **ptr, size_t size, int DeviceId) {
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return Runtime::Malloc(ptr, size, DeviceId, ATMI_DEVTYPE_GPU);
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}
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hsa_status_t Runtime::HostMalloc(void **ptr, size_t size) {
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hsa_status_t Err = Runtime::Malloc(ptr, size, 0, ATMI_DEVTYPE_CPU);
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if (Err == HSA_STATUS_SUCCESS) {
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Err = core::allow_access_to_all_gpu_agents(*ptr);
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}
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return Err;
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}
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hsa_status_t Runtime::Malloc(void **ptr, size_t size, int DeviceId,
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atmi_devtype_t DeviceType) {
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hsa_amd_memory_pool_t pool =
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get_memory_pool_by_mem_place(DeviceId, DeviceType);
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hsa_status_t err = hsa_amd_memory_pool_allocate(pool, size, 0, ptr);
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DEBUG_PRINT("Malloced [%s %d] %p\n",
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DeviceType == ATMI_DEVTYPE_CPU ? "CPU" : "GPU", DeviceId, *ptr);
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return (err == HSA_STATUS_SUCCESS) ? HSA_STATUS_SUCCESS : HSA_STATUS_ERROR;
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}
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hsa_status_t Runtime::Memfree(void *ptr) {
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hsa_status_t err = hsa_amd_memory_pool_free(ptr);
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DEBUG_PRINT("Freed %p\n", ptr);
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return (err == HSA_STATUS_SUCCESS) ? HSA_STATUS_SUCCESS : HSA_STATUS_ERROR;
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}
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} // namespace core
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