73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/* XMRig
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* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
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* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef XMRIG_PCITOPOLOGY_H
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#define XMRIG_PCITOPOLOGY_H
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#include <cstdio>
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#include "base/tools/String.h"
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namespace xmrig {
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class PciTopology
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{
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public:
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PciTopology() = default;
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PciTopology(uint32_t bus, uint32_t device, uint32_t function) : m_valid(true), m_bus(bus), m_device(device), m_function(function) {}
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inline bool isEqual(const PciTopology &other) const { return m_valid == other.m_valid && toUint32() == other.toUint32(); }
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inline bool isValid() const { return m_valid; }
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inline uint8_t bus() const { return m_bus; }
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inline uint8_t device() const { return m_device; }
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inline uint8_t function() const { return m_function; }
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inline bool operator!=(const PciTopology &other) const { return !isEqual(other); }
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inline bool operator<(const PciTopology &other) const { return toUint32() < other.toUint32(); }
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inline bool operator==(const PciTopology &other) const { return isEqual(other); }
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String toString() const
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{
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if (!isValid()) {
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return "n/a";
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}
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char *buf = new char[8]();
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snprintf(buf, 8, "%02hhx:%02hhx.%01hhx", bus(), device(), function());
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return buf;
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}
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private:
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inline uint32_t toUint32() const { return m_bus << 16 | m_device << 8 | m_function; }
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bool m_valid = false;
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uint8_t m_bus = 0;
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uint8_t m_device = 0;
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uint8_t m_function = 0;
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};
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} // namespace xmrig
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#endif /* XMRIG_PCITOPOLOGY_H */
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