709 lines
25 KiB
C#
709 lines
25 KiB
C#
// ported from: https://gitlab.com/leogx9r/ryzen_smu
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// and: https://github.com/irusanov/SMUDebugTool
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Threading;
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// ReSharper disable InconsistentNaming
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namespace LibreHardwareMonitor.Hardware
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{
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internal class RyzenSMU
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{
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private const byte SMU_PCI_ADDR_REG = 0xC4;
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private const byte SMU_PCI_DATA_REG = 0xC8;
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private const uint SMU_REQ_MAX_ARGS = 6;
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private const uint SMU_RETRIES_MAX = 8096;
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private readonly CpuCodeName _cpuCodeName;
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private readonly Mutex _mutex = new();
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private readonly bool _supportedCPU;
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private readonly Dictionary<uint, Dictionary<uint, SmuSensorType>> _supportedPmTableVersions = new()
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{
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{
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// Zen Raven Ridge APU.
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0x001E0004, new Dictionary<uint, SmuSensorType>
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{
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{ 7, new SmuSensorType { Name = "TDC", Type = SensorType.Current, Scale = 1 } },
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{ 11, new SmuSensorType { Name = "EDC", Type = SensorType.Current, Scale = 1 } },
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//{ 61, new SmuSensorType { Name = "Core", Type = SensorType.Voltage } },
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//{ 62, new SmuSensorType { Name = "Core", Type = SensorType.Current, Scale = 1} },
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//{ 63, new SmuSensorType { Name = "Core", Type = SensorType.Power, Scale = 1 } },
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//{ 65, new SmuSensorType { Name = "SoC", Type = SensorType.Voltage } },
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{ 66, new SmuSensorType { Name = "SoC", Type = SensorType.Current, Scale = 1 } },
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{ 67, new SmuSensorType { Name = "SoC", Type = SensorType.Power, Scale = 1 } },
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//{ 96, new SmuSensorType { Name = "Core #1", Type = SensorType.Power } },
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//{ 97, new SmuSensorType { Name = "Core #2", Type = SensorType.Power } },
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//{ 98, new SmuSensorType { Name = "Core #3", Type = SensorType.Power } },
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//{ 99, new SmuSensorType { Name = "Core #4", Type = SensorType.Power } },
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{ 108, new SmuSensorType { Name = "Core #1", Type = SensorType.Temperature, Scale = 1 } },
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{ 109, new SmuSensorType { Name = "Core #2", Type = SensorType.Temperature, Scale = 1 } },
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{ 110, new SmuSensorType { Name = "Core #3", Type = SensorType.Temperature, Scale = 1 } },
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{ 111, new SmuSensorType { Name = "Core #4", Type = SensorType.Temperature, Scale = 1 } },
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{ 150, new SmuSensorType { Name = "GFX", Type = SensorType.Voltage, Scale = 1 } },
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{ 151, new SmuSensorType { Name = "GFX", Type = SensorType.Temperature, Scale = 1 } },
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{ 154, new SmuSensorType { Name = "GFX", Type = SensorType.Clock, Scale = 1 } },
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{ 156, new SmuSensorType { Name = "GFX", Type = SensorType.Load, Scale = 1 } },
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{ 166, new SmuSensorType { Name = "Fabric", Type = SensorType.Clock, Scale = 1 } },
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{ 177, new SmuSensorType { Name = "Uncore", Type = SensorType.Clock, Scale = 1 } },
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{ 178, new SmuSensorType { Name = "Memory", Type = SensorType.Clock, Scale = 1 } },
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{ 342, new SmuSensorType { Name = "Displays", Type = SensorType.Factor, Scale = 1 } }
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}
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},
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{
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// Zen 2.
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0x00240903, new Dictionary<uint, SmuSensorType>
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{
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{ 15, new SmuSensorType { Name = "TDC", Type = SensorType.Current, Scale = 1 } },
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{ 21, new SmuSensorType { Name = "EDC", Type = SensorType.Current, Scale = 1 } },
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{ 48, new SmuSensorType { Name = "Fabric", Type = SensorType.Clock, Scale = 1 } },
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{ 50, new SmuSensorType { Name = "Uncore", Type = SensorType.Clock, Scale = 1 } },
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{ 51, new SmuSensorType { Name = "Memory", Type = SensorType.Clock, Scale = 1 } },
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{ 115, new SmuSensorType { Name = "SoC", Type = SensorType.Temperature, Scale = 1 } }
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//{ 66, new SmuSensorType { Name = "Bus Speed", Type = SensorType.Clock, Scale = 1 } },
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//{ 188, new SmuSensorType { Name = "Core #1", Type = SensorType.Clock, Scale = 1000 } },
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//{ 189, new SmuSensorType { Name = "Core #2", Type = SensorType.Clock, Scale = 1000 } },
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//{ 190, new SmuSensorType { Name = "Core #3", Type = SensorType.Clock, Scale = 1000 } },
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//{ 191, new SmuSensorType { Name = "Core #4", Type = SensorType.Clock, Scale = 1000 } },
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//{ 192, new SmuSensorType { Name = "Core #5", Type = SensorType.Clock, Scale = 1000 } },
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//{ 193, new SmuSensorType { Name = "Core #6", Type = SensorType.Clock, Scale = 1000 } },
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}
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},
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{
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// Zen 3.
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0x00380805, new Dictionary<uint, SmuSensorType>
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{
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{ 3, new SmuSensorType { Name = "TDC", Type = SensorType.Current, Scale = 1 } },
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// TODO: requires some post-processing
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// see: https://gitlab.com/leogx9r/ryzen_smu/-/blob/master/userspace/monitor_cpu.c#L577
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// { 9, new SmuSensorType { Name = "EDC", Type = SensorType.Current, Scale = 1 } },
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{ 48, new SmuSensorType { Name = "Fabric", Type = SensorType.Clock, Scale = 1 } },
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{ 50, new SmuSensorType { Name = "Uncore", Type = SensorType.Clock, Scale = 1 } },
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{ 51, new SmuSensorType { Name = "Memory", Type = SensorType.Clock, Scale = 1 } },
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{ 127, new SmuSensorType { Name = "SoC", Type = SensorType.Temperature, Scale = 1 } },
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{ 268, new SmuSensorType { Name = "Core #1 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 269, new SmuSensorType { Name = "Core #2 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 270, new SmuSensorType { Name = "Core #3 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 271, new SmuSensorType { Name = "Core #4 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 272, new SmuSensorType { Name = "Core #5 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 273, new SmuSensorType { Name = "Core #6 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 274, new SmuSensorType { Name = "Core #7 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 275, new SmuSensorType { Name = "Core #8 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 276, new SmuSensorType { Name = "Core #9 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 277, new SmuSensorType { Name = "Core #10 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 278, new SmuSensorType { Name = "Core #11 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 279, new SmuSensorType { Name = "Core #12 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 280, new SmuSensorType { Name = "Core #13 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 281, new SmuSensorType { Name = "Core #14 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 282, new SmuSensorType { Name = "Core #15 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
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{ 283, new SmuSensorType { Name = "Core #16 (Effective)", Type = SensorType.Clock, Scale = 1000 } }
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}
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}
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};
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private uint _argsAddr;
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private uint _cmdAddr;
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private uint _dramBaseAddr;
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private uint _pmTableSize;
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private uint _pmTableSizeAlt;
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private uint _pmTableVersion;
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private uint _rspAddr;
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public RyzenSMU(uint family, uint model, uint packageType)
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{
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_cpuCodeName = GetCpuCodeName(family, model, packageType);
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_supportedCPU = Environment.Is64BitOperatingSystem == Environment.Is64BitProcess && SetAddresses(_cpuCodeName);
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if (_supportedCPU)
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{
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InpOut.Open();
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SetupPmTableAddrAndSize();
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}
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}
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private static CpuCodeName GetCpuCodeName(uint family, uint model, uint packageType)
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{
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if (family == 0x17)
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{
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return model switch
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{
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0x01 => packageType == 7 ? CpuCodeName.Threadripper : CpuCodeName.SummitRidge,
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0x08 => packageType == 7 ? CpuCodeName.Colfax : CpuCodeName.PinnacleRidge,
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0x11 => CpuCodeName.RavenRidge,
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0x18 => packageType == 2 ? CpuCodeName.RavenRidge2 : CpuCodeName.Picasso,
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0x20 => CpuCodeName.Dali,
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0x31 => CpuCodeName.CastlePeak,
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0x60 => CpuCodeName.Renoir,
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0x71 => CpuCodeName.Matisse,
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0x90 => CpuCodeName.Vangogh,
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_ => CpuCodeName.Undefined
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};
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}
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if (family == 0x19)
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{
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return model switch
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{
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0x00 => CpuCodeName.Milan,
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0x20 or 0x21 => CpuCodeName.Vermeer,
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0x40 => CpuCodeName.Rembrandt,
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0x50 => CpuCodeName.Cezanne,
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_ => CpuCodeName.Undefined
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};
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}
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return CpuCodeName.Undefined;
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}
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public string GetReport()
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{
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StringBuilder r = new();
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r.AppendLine("Ryzen SMU");
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r.AppendLine();
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r.AppendLine($" PM table version: 0x{_pmTableVersion:X8}");
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r.AppendLine($" PM table supported: {_supportedCPU}");
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r.AppendLine($" PM table layout defined: {IsPmTableLayoutDefined()}");
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if (_supportedCPU)
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{
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r.AppendLine($" PM table size: 0x{_pmTableSize:X3}");
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r.AppendLine($" PM table start address: 0x{_dramBaseAddr:X8}");
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r.AppendLine();
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r.AppendLine(" PM table dump:");
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r.AppendLine(" Idx Offset Value");
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r.AppendLine(" ------------------------");
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float[] pm_values = GetPmTable();
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for (int i = 0; i < pm_values.Length; i++)
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{
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r.AppendLine($" {i,4} 0x{i * 4:X3} {pm_values[i]}");
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}
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}
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return r.ToString();
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}
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private bool SetAddresses(CpuCodeName codeName)
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{
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switch (codeName)
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{
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case CpuCodeName.CastlePeak:
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case CpuCodeName.Matisse:
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case CpuCodeName.Vermeer:
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_cmdAddr = 0x3B10524;
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_rspAddr = 0x3B10570;
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_argsAddr = 0x3B10A40;
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return true;
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case CpuCodeName.Colfax:
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case CpuCodeName.SummitRidge:
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case CpuCodeName.Threadripper:
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case CpuCodeName.PinnacleRidge:
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_cmdAddr = 0x3B1051C;
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_rspAddr = 0x3B10568;
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_argsAddr = 0x3B10590;
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return true;
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case CpuCodeName.Renoir:
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case CpuCodeName.Picasso:
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case CpuCodeName.RavenRidge:
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case CpuCodeName.RavenRidge2:
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case CpuCodeName.Dali:
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_cmdAddr = 0x3B10A20;
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_rspAddr = 0x3B10A80;
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_argsAddr = 0x3B10A88;
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return true;
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default:
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return false;
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}
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}
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public uint GetSmuVersion()
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{
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uint[] args = { 1 };
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if (SendCommand(0x02, ref args))
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return args[0];
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return 0;
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}
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public Dictionary<uint, SmuSensorType> GetPmTableStructure()
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{
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if (!IsPmTableLayoutDefined())
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return new Dictionary<uint, SmuSensorType>();
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return _supportedPmTableVersions[_pmTableVersion];
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}
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public bool IsPmTableLayoutDefined()
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{
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return _supportedPmTableVersions.ContainsKey(_pmTableVersion);
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}
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public float[] GetPmTable()
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{
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if (!_supportedCPU || !TransferTableToDram())
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return new float[] { 0 };
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float[] table = ReadDramToArray();
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// Fix for Zen+ empty values on first call.
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if (table.Length == 0 || table[0] == 0)
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{
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Thread.Sleep(10);
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TransferTableToDram();
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table = ReadDramToArray();
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}
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return table;
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}
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private float[] ReadDramToArray()
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{
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float[] table = new float[_pmTableSize / 4];
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byte[] bytes = InpOut.ReadMemory(new IntPtr(_dramBaseAddr), _pmTableSize);
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if (bytes != null)
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Buffer.BlockCopy(bytes, 0, table, 0, bytes.Length);
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return table;
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}
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private bool SetupPmTableAddrAndSize()
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{
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if (_pmTableSize == 0)
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SetupPmTableSize();
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if (_dramBaseAddr == 0)
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SetupDramBaseAddr();
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return _dramBaseAddr != 0 && _pmTableSize != 0;
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}
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private void SetupPmTableSize()
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{
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if (!GetPmTableVersion(ref _pmTableVersion))
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return;
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switch (_cpuCodeName)
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{
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case CpuCodeName.Matisse:
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switch (_pmTableVersion)
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{
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case 0x240902:
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_pmTableSize = 0x514;
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break;
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case 0x240903:
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_pmTableSize = 0x518;
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break;
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case 0x240802:
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_pmTableSize = 0x7E0;
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break;
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case 0x240803:
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_pmTableSize = 0x7E4;
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break;
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default:
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return;
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}
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break;
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case CpuCodeName.Vermeer:
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switch (_pmTableVersion)
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{
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case 0x2D0903:
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_pmTableSize = 0x594;
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break;
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case 0x380904:
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_pmTableSize = 0x5A4;
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break;
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case 0x380905:
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_pmTableSize = 0x5D0;
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break;
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case 0x2D0803:
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_pmTableSize = 0x894;
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break;
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case 0x380804:
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_pmTableSize = 0x8A4;
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break;
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case 0x380805:
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_pmTableSize = 0x8F0;
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break;
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default:
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return;
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}
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break;
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case CpuCodeName.Renoir:
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switch (_pmTableVersion)
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{
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case 0x370000:
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_pmTableSize = 0x794;
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break;
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case 0x370001:
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_pmTableSize = 0x884;
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break;
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case 0x370002:
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case 0x370003:
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_pmTableSize = 0x88C;
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break;
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case 0x370004:
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_pmTableSize = 0x8AC;
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break;
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case 0x370005:
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_pmTableSize = 0x8C8;
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break;
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default:
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return;
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}
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break;
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case CpuCodeName.Cezanne:
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switch (_pmTableVersion)
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{
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case 0x400005:
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_pmTableSize = 0x944;
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break;
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default:
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return;
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}
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break;
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case CpuCodeName.Picasso:
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case CpuCodeName.RavenRidge:
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case CpuCodeName.RavenRidge2:
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_pmTableSizeAlt = 0xA4;
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_pmTableSize = 0x608 + _pmTableSizeAlt;
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break;
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default:
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return;
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}
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}
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private bool GetPmTableVersion(ref uint version)
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{
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uint[] args = { 0 };
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uint fn;
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switch (_cpuCodeName)
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{
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case CpuCodeName.RavenRidge:
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case CpuCodeName.Picasso:
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fn = 0x0c;
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break;
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case CpuCodeName.Matisse:
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case CpuCodeName.Vermeer:
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fn = 0x08;
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break;
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case CpuCodeName.Renoir:
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fn = 0x06;
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break;
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default:
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return false;
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}
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bool ret = SendCommand(fn, ref args);
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version = args[0];
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return ret;
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}
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private void SetupAddrClass1(uint[] fn)
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{
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uint[] args = { 1, 1 };
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bool command = SendCommand(fn[0], ref args);
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if (!command)
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return;
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_dramBaseAddr = args[0] | (args[1] << 32);
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}
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private void SetupAddrClass2(uint[] fn)
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{
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uint[] args = { 0, 0, 0, 0, 0, 0 };
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bool command = SendCommand(fn[0], ref args);
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if (!command)
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return;
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args = new uint[] { 0 };
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command = SendCommand(fn[1], ref args);
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if (!command)
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return;
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_dramBaseAddr = args[0];
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}
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private void SetupAddrClass3(uint[] fn)
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{
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uint[] parts = { 0, 0 };
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// == Part 1 ==
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uint[] args = { 3 };
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bool command = SendCommand(fn[0], ref args);
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if (!command)
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return;
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args = new uint[] { 3 };
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command = SendCommand(fn[2], ref args);
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if (!command)
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return;
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// 1st Base.
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parts[0] = args[0];
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// == Part 1 End ==
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// == Part 2 ==
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args = new uint[] { 3 };
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command = SendCommand(fn[1], ref args);
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if (!command)
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return;
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args = new uint[] { 5 };
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command = SendCommand(fn[0], ref args);
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if (!command)
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return;
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args = new uint[] { 5 };
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command = SendCommand(fn[2], ref args);
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if (!command)
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return;
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// 2nd base.
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parts[1] = args[0];
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// == Part 2 End ==
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_dramBaseAddr = parts[0] & 0xFFFFFFFF;
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}
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private void SetupDramBaseAddr()
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{
|
|
uint[] fn = { 0, 0, 0 };
|
|
|
|
switch (_cpuCodeName)
|
|
{
|
|
case CpuCodeName.Vermeer:
|
|
case CpuCodeName.Matisse:
|
|
case CpuCodeName.CastlePeak:
|
|
fn[0] = 0x06;
|
|
SetupAddrClass1(fn);
|
|
return;
|
|
|
|
case CpuCodeName.Renoir:
|
|
fn[0] = 0x66;
|
|
SetupAddrClass1(fn);
|
|
return;
|
|
|
|
case CpuCodeName.Colfax:
|
|
case CpuCodeName.PinnacleRidge:
|
|
fn[0] = 0x0b;
|
|
fn[1] = 0x0c;
|
|
SetupAddrClass2(fn);
|
|
return;
|
|
|
|
case CpuCodeName.Dali:
|
|
case CpuCodeName.Picasso:
|
|
case CpuCodeName.RavenRidge:
|
|
case CpuCodeName.RavenRidge2:
|
|
fn[0] = 0x0a;
|
|
fn[1] = 0x3d;
|
|
fn[2] = 0x0b;
|
|
SetupAddrClass3(fn);
|
|
return;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
|
|
public bool TransferTableToDram()
|
|
{
|
|
uint[] args = { 0 };
|
|
uint fn;
|
|
|
|
switch (_cpuCodeName)
|
|
{
|
|
case CpuCodeName.Matisse:
|
|
case CpuCodeName.Vermeer:
|
|
fn = 0x05;
|
|
break;
|
|
|
|
case CpuCodeName.Renoir:
|
|
args[0] = 3;
|
|
fn = 0x65;
|
|
break;
|
|
|
|
case CpuCodeName.Picasso:
|
|
case CpuCodeName.RavenRidge:
|
|
case CpuCodeName.RavenRidge2:
|
|
args[0] = 3;
|
|
fn = 0x3d;
|
|
break;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
return SendCommand(fn, ref args);
|
|
}
|
|
|
|
private bool SendCommand(uint msg, ref uint[] args)
|
|
{
|
|
uint[] cmdArgs = new uint[SMU_REQ_MAX_ARGS];
|
|
int argsLength = Math.Min(args.Length, cmdArgs.Length);
|
|
|
|
for (int i = 0; i < argsLength; ++i)
|
|
cmdArgs[i] = args[i];
|
|
|
|
uint tmp = 0;
|
|
if (_mutex.WaitOne(5000))
|
|
{
|
|
// Step 1: Wait until the RSP register is non-zero.
|
|
|
|
tmp = 0;
|
|
uint retries = SMU_RETRIES_MAX;
|
|
do
|
|
{
|
|
if (!ReadReg(_rspAddr, ref tmp))
|
|
{
|
|
_mutex.ReleaseMutex();
|
|
return false;
|
|
}
|
|
}
|
|
while (tmp == 0 && 0 != retries--);
|
|
|
|
// Step 1.b: A command is still being processed meaning a new command cannot be issued.
|
|
|
|
if (retries == 0 && tmp == 0)
|
|
{
|
|
_mutex.ReleaseMutex();
|
|
return false;
|
|
}
|
|
|
|
// Step 2: Write zero (0) to the RSP register
|
|
WriteReg(_rspAddr, 0);
|
|
|
|
// Step 3: Write the argument(s) into the argument register(s)
|
|
for (int i = 0; i < cmdArgs.Length; ++i)
|
|
WriteReg(_argsAddr + (uint)(i * 4), cmdArgs[i]);
|
|
|
|
// Step 4: Write the message Id into the Message ID register
|
|
WriteReg(_cmdAddr, msg);
|
|
|
|
// Step 5: Wait until the Response register is non-zero.
|
|
tmp = 0;
|
|
retries = SMU_RETRIES_MAX;
|
|
do
|
|
{
|
|
if (!ReadReg(_rspAddr, ref tmp))
|
|
{
|
|
_mutex.ReleaseMutex();
|
|
return false;
|
|
}
|
|
}
|
|
while (tmp == 0 && retries-- != 0);
|
|
|
|
if (retries == 0 && tmp != (uint)Status.OK)
|
|
{
|
|
_mutex.ReleaseMutex();
|
|
return false;
|
|
}
|
|
|
|
// Step 6: If the Response register contains OK, then SMU has finished processing the message.
|
|
|
|
args = new uint[SMU_REQ_MAX_ARGS];
|
|
for (byte i = 0; i < SMU_REQ_MAX_ARGS; i++)
|
|
{
|
|
if (!ReadReg(_argsAddr + (uint)(i * 4), ref args[i]))
|
|
{
|
|
_mutex.ReleaseMutex();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
ReadReg(_rspAddr, ref tmp);
|
|
_mutex.ReleaseMutex();
|
|
}
|
|
|
|
return tmp == (uint)Status.OK;
|
|
}
|
|
|
|
private static void WriteReg(uint addr, uint data)
|
|
{
|
|
if (Ring0.WaitPciBusMutex(10))
|
|
{
|
|
if (Ring0.WritePciConfig(0x00, SMU_PCI_ADDR_REG, addr))
|
|
{
|
|
Ring0.WritePciConfig(0x00, SMU_PCI_DATA_REG, data);
|
|
}
|
|
|
|
Ring0.ReleasePciBusMutex();
|
|
}
|
|
}
|
|
|
|
private static bool ReadReg(uint addr, ref uint data)
|
|
{
|
|
bool read = false;
|
|
|
|
if (Ring0.WaitPciBusMutex(10))
|
|
{
|
|
if (Ring0.WritePciConfig(0x00, SMU_PCI_ADDR_REG, addr))
|
|
{
|
|
read = Ring0.ReadPciConfig(0x00, SMU_PCI_DATA_REG, out data);
|
|
}
|
|
|
|
Ring0.ReleasePciBusMutex();
|
|
}
|
|
|
|
return read;
|
|
}
|
|
|
|
public struct SmuSensorType
|
|
{
|
|
public string Name;
|
|
public SensorType Type;
|
|
public float Scale;
|
|
}
|
|
|
|
private enum Status : uint
|
|
{
|
|
OK = 0x01,
|
|
Failed = 0xFF,
|
|
UnknownCmd = 0xFE,
|
|
CmdRejectedPrereq = 0xFD,
|
|
CmdRejectedBusy = 0xFC
|
|
}
|
|
|
|
private enum CpuCodeName
|
|
{
|
|
Undefined,
|
|
Colfax,
|
|
Renoir,
|
|
Picasso,
|
|
Matisse,
|
|
Threadripper,
|
|
CastlePeak,
|
|
RavenRidge,
|
|
RavenRidge2,
|
|
SummitRidge,
|
|
PinnacleRidge,
|
|
Rembrandt,
|
|
Vermeer,
|
|
Vangogh,
|
|
Cezanne,
|
|
Milan,
|
|
Dali
|
|
}
|
|
}
|
|
}
|