mirror of
https://github.com/intel/compute-runtime.git
synced 2025-12-30 09:58:55 +08:00
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*
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* Copyright (C) 2020-2021 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include <string>
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const std::string vendorIntel("Intel(R) Corporation");
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const std::string unknown("unknown");
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const std::string intelPciId("0x8086");
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constexpr uint32_t MbpsToBytesPerSecond = 125000;
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constexpr double milliVoltsFactor = 1000.0;
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namespace PciLinkSpeeds {
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constexpr double Pci2_5GigatransfersPerSecond = 2.5;
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constexpr double Pci5_0GigatransfersPerSecond = 5.0;
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constexpr double Pci8_0GigatransfersPerSecond = 8.0;
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constexpr double Pci16_0GigatransfersPerSecond = 16.0;
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constexpr double Pci32_0GigatransfersPerSecond = 32.0;
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} // namespace PciLinkSpeeds
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enum PciGenerations {
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PciGen1 = 1,
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PciGen2,
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PciGen3,
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PciGen4,
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PciGen5,
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};
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constexpr uint8_t maxPciBars = 6;
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// Linux kernel would report 255 link width, as an indication of unknown.
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constexpr uint32_t unknownPcieLinkWidth = 255u;
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constexpr uint32_t microSecondsToNanoSeconds = 1000u;
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constexpr uint64_t convertJouleToMicroJoule = 1000000u;
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constexpr uint64_t minTimeoutModeHeartbeat = 5000u;
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constexpr uint64_t minTimeoutInMicroSeconds = 1000u;
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constexpr uint16_t milliSecsToMicroSecs = 1000;
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constexpr uint32_t milliFactor = 1000u;
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constexpr uint32_t microFacor = milliFactor * milliFactor;
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constexpr int32_t memoryBusWidth = 128; // bus width in bits
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constexpr int32_t numMemoryChannels = 8; |