Alex Voicu
105 satır
3.7 KiB
C++
105 satır
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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#pragma once
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#include <hsa/amd_hsa_kernel_code.h>
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#include <hsa/hsa.h>
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#include <hsa/hsa_ext_amd.h>
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#include <hsa/hsa_ven_amd_loader.h>
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#include <cstddef>
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#include <istream>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <utility>
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#include <vector>
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struct ihipModuleSymbol_t;
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using hipFunction_t = ihipModuleSymbol_t*;
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namespace std {
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template <>
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struct hash<hsa_agent_t> {
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size_t operator()(hsa_agent_t x) const { return hash<decltype(x.handle)>{}(x.handle); }
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};
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} // namespace std
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inline constexpr bool operator==(hsa_agent_t x, hsa_agent_t y) { return x.handle == y.handle; }
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namespace hip_impl {
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class Kernel_descriptor {
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std::uint64_t kernel_object_{};
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amd_kernel_code_t const* kernel_header_{nullptr};
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std::string name_{};
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public:
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Kernel_descriptor() = default;
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Kernel_descriptor(std::uint64_t kernel_object, const std::string& name)
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: kernel_object_{kernel_object}, name_{name}
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{
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bool supported{false};
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std::uint16_t min_v{UINT16_MAX};
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auto r = hsa_system_major_extension_supported(
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HSA_EXTENSION_AMD_LOADER, 1, &min_v, &supported);
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if (r != HSA_STATUS_SUCCESS || !supported) return;
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hsa_ven_amd_loader_1_01_pfn_t tbl{};
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r = hsa_system_get_major_extension_table(
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HSA_EXTENSION_AMD_LOADER,
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1,
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sizeof(tbl),
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reinterpret_cast<void*>(&tbl));
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if (r != HSA_STATUS_SUCCESS) return;
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if (!tbl.hsa_ven_amd_loader_query_host_address) return;
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r = tbl.hsa_ven_amd_loader_query_host_address(
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reinterpret_cast<void*>(kernel_object_),
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reinterpret_cast<const void**>(&kernel_header_));
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if (r != HSA_STATUS_SUCCESS) return;
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}
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Kernel_descriptor(const Kernel_descriptor&) = default;
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Kernel_descriptor(Kernel_descriptor&&) = default;
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~Kernel_descriptor() = default;
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Kernel_descriptor& operator=(const Kernel_descriptor&) = default;
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Kernel_descriptor& operator=(Kernel_descriptor&&) = default;
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operator hipFunction_t() const { // TODO: this is awful and only meant for illustration.
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return reinterpret_cast<hipFunction_t>(const_cast<Kernel_descriptor*>(this));
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}
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};
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const std::unordered_map<hsa_agent_t, std::vector<hsa_executable_t>>& executables();
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const std::unordered_map<std::uintptr_t, std::vector<std::pair<hsa_agent_t, Kernel_descriptor>>>&
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functions();
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const std::unordered_map<std::uintptr_t, std::string>& function_names();
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std::unordered_map<std::string, void*>& globals();
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hsa_executable_t load_executable(const std::string& file, hsa_executable_t executable,
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hsa_agent_t agent);
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} // Namespace hip_impl.
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