73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/*
|
|
* Copyright (C) 2023 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
*/
|
|
|
|
#pragma once
|
|
#include <chrono>
|
|
#include <string>
|
|
const std::string vendorIntel("Intel(R) Corporation");
|
|
const std::string unknown("unknown");
|
|
const std::string intelPciId("0x8086");
|
|
const std::string guid64BitMemoryCounters("0xb15a0ede");
|
|
constexpr uint32_t mbpsToBytesPerSecond = 125000;
|
|
constexpr double milliVoltsFactor = 1000.0;
|
|
constexpr uint32_t maxRasErrorCategoryCount = 7;
|
|
|
|
constexpr double maxPerformanceFactor = 100;
|
|
constexpr double halfOfMaxPerformanceFactor = 50;
|
|
constexpr double minPerformanceFactor = 0;
|
|
|
|
namespace L0 {
|
|
namespace Sysman {
|
|
struct SteadyClock {
|
|
typedef std::chrono::duration<uint64_t, std::milli> duration;
|
|
typedef duration::rep rep;
|
|
typedef duration::period period;
|
|
typedef std::chrono::time_point<SteadyClock> time_point;
|
|
static time_point now() noexcept {
|
|
static auto epoch = std::chrono::steady_clock::now();
|
|
return time_point(std::chrono::duration_cast<duration>(std::chrono::steady_clock::now() - epoch));
|
|
}
|
|
};
|
|
|
|
} // namespace Sysman
|
|
} // namespace L0
|
|
|
|
namespace PciLinkSpeeds {
|
|
constexpr double pci2Dot5GigaTransfersPerSecond = 2.5;
|
|
constexpr double pci5GigaTransfersPerSecond = 5.0;
|
|
constexpr double pci8GigaTransfersPerSecond = 8.0;
|
|
constexpr double pci16GigaTransfersPerSecond = 16.0;
|
|
constexpr double pci32GigaTransfersPerSecond = 32.0;
|
|
|
|
} // namespace PciLinkSpeeds
|
|
enum PciGenerations {
|
|
PciGen1 = 1,
|
|
PciGen2,
|
|
PciGen3,
|
|
PciGen4,
|
|
PciGen5,
|
|
};
|
|
|
|
constexpr uint8_t maxPciBars = 6;
|
|
// Linux kernel would report 255 link width, as an indication of unknown.
|
|
constexpr uint32_t unknownPcieLinkWidth = 255u;
|
|
|
|
constexpr uint32_t microSecondsToNanoSeconds = 1000u;
|
|
|
|
constexpr uint64_t convertJouleToMicroJoule = 1000000u;
|
|
constexpr uint64_t minTimeoutModeHeartbeat = 5000u;
|
|
constexpr uint64_t minTimeoutInMicroSeconds = 1000u;
|
|
constexpr uint16_t milliSecsToMicroSecs = 1000;
|
|
constexpr uint32_t milliFactor = 1000u;
|
|
constexpr uint32_t microFacor = milliFactor * milliFactor;
|
|
constexpr uint64_t gigaUnitTransferToUnitTransfer = 1000 * 1000 * 1000;
|
|
|
|
constexpr int32_t memoryBusWidth = 128; // bus width in bytes
|
|
constexpr int32_t numMemoryChannels = 8;
|
|
constexpr uint32_t unknownMemoryType = UINT32_MAX;
|
|
#define BITS(x, at, width) (((x) >> (at)) & ((1 << (width)) - 1))
|