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ReLibreHardwareMonitor/LibreHardwareMonitorLib/Hardware/RyzenSMU.cs
T
Rémi Mercier 4b3ed8bb46 Update PawnIO modules to 2.2 (#2174) 
* Update PawnIO modules to 2.2

https://github.com/namazso/PawnIO.Modules/releases/tag/0.2.2

* Update RyzenSMU.cs

From RyzenSMU module
2026-01-20 17:19:50 +01:00

440 lines
19 KiB
C#
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// ported from: https://gitlab.com/leogx9r/ryzen_smu
// and: https://github.com/irusanov/SMUDebugTool
using System;
using System.Collections.Generic;
using System.Text;
using LibreHardwareMonitor.PawnIo;
// ReSharper disable InconsistentNaming
namespace LibreHardwareMonitor.Hardware;
internal class RyzenSMU
{
private readonly CpuCodeName _cpuCodeName;
private readonly bool _supportedCPU;
private readonly Exception _unsupportedCPUException;
private readonly Dictionary<uint, Dictionary<uint, SmuSensorType>> _supportedPmTableVersions = new()
{
{
// Zen Raven Ridge APU.
0x001E0004, new Dictionary<uint, SmuSensorType>
{
{ 7, new SmuSensorType { Name = "TDC", Type = SensorType.Current, Scale = 1 } },
{ 11, new SmuSensorType { Name = "EDC", Type = SensorType.Current, Scale = 1 } },
//{ 61, new SmuSensorType { Name = "Core", Type = SensorType.Voltage } },
//{ 62, new SmuSensorType { Name = "Core", Type = SensorType.Current, Scale = 1} },
//{ 63, new SmuSensorType { Name = "Core", Type = SensorType.Power, Scale = 1 } },
//{ 65, new SmuSensorType { Name = "SoC", Type = SensorType.Voltage } },
{ 66, new SmuSensorType { Name = "SoC", Type = SensorType.Current, Scale = 1 } },
{ 67, new SmuSensorType { Name = "SoC", Type = SensorType.Power, Scale = 1 } },
//{ 96, new SmuSensorType { Name = "Core #1", Type = SensorType.Power } },
//{ 97, new SmuSensorType { Name = "Core #2", Type = SensorType.Power } },
//{ 98, new SmuSensorType { Name = "Core #3", Type = SensorType.Power } },
//{ 99, new SmuSensorType { Name = "Core #4", Type = SensorType.Power } },
{ 108, new SmuSensorType { Name = "Core #1", Type = SensorType.Temperature, Scale = 1 } },
{ 109, new SmuSensorType { Name = "Core #2", Type = SensorType.Temperature, Scale = 1 } },
{ 110, new SmuSensorType { Name = "Core #3", Type = SensorType.Temperature, Scale = 1 } },
{ 111, new SmuSensorType { Name = "Core #4", Type = SensorType.Temperature, Scale = 1 } },
{ 150, new SmuSensorType { Name = "GFX", Type = SensorType.Voltage, Scale = 1 } },
{ 151, new SmuSensorType { Name = "GFX", Type = SensorType.Temperature, Scale = 1 } },
{ 154, new SmuSensorType { Name = "GFX", Type = SensorType.Clock, Scale = 1 } },
{ 156, new SmuSensorType { Name = "GFX", Type = SensorType.Load, Scale = 1 } },
{ 166, new SmuSensorType { Name = "Fabric", Type = SensorType.Clock, Scale = 1 } },
{ 177, new SmuSensorType { Name = "Uncore", Type = SensorType.Clock, Scale = 1 } },
{ 178, new SmuSensorType { Name = "Memory", Type = SensorType.Clock, Scale = 1 } },
{ 342, new SmuSensorType { Name = "Displays", Type = SensorType.Factor, Scale = 1 } }
}
},
{
// Zen 2.
0x00240903, new Dictionary<uint, SmuSensorType>
{
{ 15, new SmuSensorType { Name = "TDC", Type = SensorType.Current, Scale = 1 } },
{ 21, new SmuSensorType { Name = "EDC", Type = SensorType.Current, Scale = 1 } },
{ 48, new SmuSensorType { Name = "Fabric", Type = SensorType.Clock, Scale = 1 } },
{ 50, new SmuSensorType { Name = "Uncore", Type = SensorType.Clock, Scale = 1 } },
{ 51, new SmuSensorType { Name = "Memory", Type = SensorType.Clock, Scale = 1 } },
{ 115, new SmuSensorType { Name = "SoC", Type = SensorType.Temperature, Scale = 1 } }
//{ 66, new SmuSensorType { Name = "Bus Speed", Type = SensorType.Clock, Scale = 1 } },
//{ 188, new SmuSensorType { Name = "Core #1", Type = SensorType.Clock, Scale = 1000 } },
//{ 189, new SmuSensorType { Name = "Core #2", Type = SensorType.Clock, Scale = 1000 } },
//{ 190, new SmuSensorType { Name = "Core #3", Type = SensorType.Clock, Scale = 1000 } },
//{ 191, new SmuSensorType { Name = "Core #4", Type = SensorType.Clock, Scale = 1000 } },
//{ 192, new SmuSensorType { Name = "Core #5", Type = SensorType.Clock, Scale = 1000 } },
//{ 193, new SmuSensorType { Name = "Core #6", Type = SensorType.Clock, Scale = 1000 } },
}
},
{
// Zen 3.
0x00380805, new Dictionary<uint, SmuSensorType>
{
{ 3, new SmuSensorType { Name = "TDC", Type = SensorType.Current, Scale = 1 } },
// TODO: requires some post-processing
// see: https://gitlab.com/leogx9r/ryzen_smu/-/blob/master/userspace/monitor_cpu.c#L577
// { 9, new SmuSensorType { Name = "EDC", Type = SensorType.Current, Scale = 1 } },
{ 48, new SmuSensorType { Name = "Fabric", Type = SensorType.Clock, Scale = 1 } },
{ 50, new SmuSensorType { Name = "Uncore", Type = SensorType.Clock, Scale = 1 } },
{ 51, new SmuSensorType { Name = "Memory", Type = SensorType.Clock, Scale = 1 } },
{ 127, new SmuSensorType { Name = "SoC", Type = SensorType.Temperature, Scale = 1 } },
//Core effective clock is now calculated in Amd17Cpu/Core
//{ 268, new SmuSensorType { Name = "Core #1 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 269, new SmuSensorType { Name = "Core #2 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 270, new SmuSensorType { Name = "Core #3 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 271, new SmuSensorType { Name = "Core #4 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 272, new SmuSensorType { Name = "Core #5 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 273, new SmuSensorType { Name = "Core #6 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 274, new SmuSensorType { Name = "Core #7 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 275, new SmuSensorType { Name = "Core #8 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 276, new SmuSensorType { Name = "Core #9 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 277, new SmuSensorType { Name = "Core #10 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 278, new SmuSensorType { Name = "Core #11 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 279, new SmuSensorType { Name = "Core #12 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 280, new SmuSensorType { Name = "Core #13 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 281, new SmuSensorType { Name = "Core #14 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 282, new SmuSensorType { Name = "Core #15 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 283, new SmuSensorType { Name = "Core #16 (Effective)", Type = SensorType.Clock, Scale = 1000 } }
}
},
{
// Zen 4.
0x00540004, new Dictionary<uint, SmuSensorType>
{
{ 3, new SmuSensorType { Name = "CPU PPT", Type = SensorType.Power, Scale = 1 } },
{ 11, new SmuSensorType { Name = "Package", Type = SensorType.Temperature, Scale = 1 } },
{ 20, new SmuSensorType { Name = "Core Power", Type = SensorType.Power, Scale = 1 } },
{ 21, new SmuSensorType { Name = "SOC Power", Type = SensorType.Power, Scale = 1 } },
{ 22, new SmuSensorType { Name = "Misc Power", Type = SensorType.Power, Scale = 1 } },
{ 26, new SmuSensorType { Name = "Total Power", Type = SensorType.Power, Scale = 1 } },
{ 47, new SmuSensorType { Name = "VDDCR", Type = SensorType.Voltage, Scale = 1 } },
{ 48, new SmuSensorType { Name = "TDC", Type = SensorType.Current, Scale = 1 } },
{ 49, new SmuSensorType { Name = "EDC", Type = SensorType.Current, Scale = 1 } },
{ 52, new SmuSensorType { Name = "VDDCR SoC", Type = SensorType.Voltage, Scale = 1 } },
{ 57, new SmuSensorType { Name = "VDD Misc", Type = SensorType.Voltage, Scale = 1 } },
{ 70, new SmuSensorType { Name = "Fabric", Type = SensorType.Clock, Scale = 1 } },
{ 74, new SmuSensorType { Name = "Uncore", Type = SensorType.Clock, Scale = 1 } },
{ 78, new SmuSensorType { Name = "Memory", Type = SensorType.Clock, Scale = 1 } },
{ 211, new SmuSensorType { Name = "IOD Hotspot", Type = SensorType.Temperature, Scale = 1 } },
{ 539, new SmuSensorType { Name = "L3 (CCD1)", Type = SensorType.Temperature, Scale = 1 } },
{ 540, new SmuSensorType { Name = "L3 (CCD2)", Type = SensorType.Temperature, Scale = 1 } },
{ 268, new SmuSensorType { Name = "LDO VDD", Type = SensorType.Voltage, Scale = 1 } },
// This is not working, some cores can be deactivated with the core disabled map.
// When Core 2 is disabled and Core 3 is enabled, the name of Core 3 == "Core 2".
//{ 357, new SmuSensorType { Name = "Core #1 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 358, new SmuSensorType { Name = "Core #2 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 359, new SmuSensorType { Name = "Core #3 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 360, new SmuSensorType { Name = "Core #4 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 361, new SmuSensorType { Name = "Core #5 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 362, new SmuSensorType { Name = "Core #6 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 363, new SmuSensorType { Name = "Core #7 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 364, new SmuSensorType { Name = "Core #8 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 365, new SmuSensorType { Name = "Core #9 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 366, new SmuSensorType { Name = "Core #10 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 367, new SmuSensorType { Name = "Core #11 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 368, new SmuSensorType { Name = "Core #12 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 369, new SmuSensorType { Name = "Core #13 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 370, new SmuSensorType { Name = "Core #14 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 371, new SmuSensorType { Name = "Core #15 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 372, new SmuSensorType { Name = "Core #16 (Effective)", Type = SensorType.Clock, Scale = 1000 } }
}
}
};
private uint _pmTableSize;
private uint _pmTableSizeAlt;
private uint _pmTableVersion;
private uint _dramBaseAddr;
private readonly RyzenSmu _ryzenSmu;
public RyzenSMU()
{
try
{
_ryzenSmu = new RyzenSmu();
_cpuCodeName = (CpuCodeName)_ryzenSmu.GetCodeName();
_ryzenSmu.ResolvePmTable(out _pmTableVersion, out _dramBaseAddr);
SetupPmTableSize();
_supportedCPU = true;
}
catch (Exception e)
{
_supportedCPU = false;
_unsupportedCPUException = e;
}
}
public void Close() => _ryzenSmu.Close();
public string GetReport()
{
StringBuilder r = new();
r.AppendLine("Ryzen SMU");
r.AppendLine();
r.AppendLine($" PM table version: 0x{_pmTableVersion:X8}");
r.AppendLine($" PM table supported: {_supportedCPU}");
r.AppendLine($" PM table layout defined: {IsPmTableLayoutDefined()}");
if (_supportedCPU)
{
r.AppendLine($" PM table size: 0x{_pmTableSize:X3}");
r.AppendLine($" PM table start address: 0x{_dramBaseAddr:X8}");
r.AppendLine();
r.AppendLine(" PM table dump:");
try
{
float[] pm_values = UpdateAndReadDram();
r.AppendLine(" Idx Offset Value");
r.AppendLine(" ------------------------");
for (int i = 0; i < pm_values.Length; i++)
{
r.AppendLine($" {i,4} 0x{i * 4:X3} {pm_values[i]}");
}
}
catch (Exception e)
{
r.AppendLine($" Exception: {e.Message}");
}
}
else
{
r.AppendLine($" Initialization exception: {_unsupportedCPUException.Message}");
}
return r.ToString();
}
public Dictionary<uint, SmuSensorType> GetPmTableStructure()
{
if (!IsPmTableLayoutDefined())
return new Dictionary<uint, SmuSensorType>();
return _supportedPmTableVersions[_pmTableVersion];
}
public bool IsPmTableLayoutDefined()
{
return _supportedPmTableVersions.ContainsKey(_pmTableVersion);
}
public float[] GetPmTable()
{
if (!_supportedCPU)
return [0];
float[] table = null;
for (int tries_left = 2; tries_left != 0; --tries_left)
{
table = null;
try
{
table = UpdateAndReadDram();
}
catch
{
// ignored
}
if (table is { Length: > 0 } && table[0] != 0)
{
return table;
}
}
return table is { Length: > 0 } ? table : [0];
}
private float[] UpdateAndReadDram()
{
float[] table = new float[_pmTableSize / 4];
_ryzenSmu.UpdatePmTable();
long[] read = _ryzenSmu.ReadPmTable((int)((_pmTableSize + 7) / 8));
Buffer.BlockCopy(read, 0, table, 0, (int)_pmTableSize);
return table;
}
private void SetupPmTableSize()
{
switch (_cpuCodeName)
{
case CpuCodeName.Matisse:
switch (_pmTableVersion)
{
case 0x240902:
_pmTableSize = 0x514;
break;
case 0x240903:
_pmTableSize = 0x518;
break;
case 0x240802:
_pmTableSize = 0x7E0;
break;
case 0x240803:
_pmTableSize = 0x7E4;
break;
default:
return;
}
break;
case CpuCodeName.Vermeer:
switch (_pmTableVersion)
{
case 0x2D0903:
_pmTableSize = 0x594;
break;
case 0x380904:
_pmTableSize = 0x5A4;
break;
case 0x380905:
_pmTableSize = 0x5D0;
break;
case 0x2D0803:
_pmTableSize = 0x894;
break;
case 0x380804:
_pmTableSize = 0x8A4;
break;
case 0x380805:
_pmTableSize = 0x8F0;
break;
default:
return;
}
break;
case CpuCodeName.Renoir:
switch (_pmTableVersion)
{
case 0x370000:
_pmTableSize = 0x794;
break;
case 0x370001:
_pmTableSize = 0x884;
break;
case 0x370002:
case 0x370003:
_pmTableSize = 0x88C;
break;
case 0x370004:
_pmTableSize = 0x8AC;
break;
case 0x370005:
_pmTableSize = 0x8C8;
break;
default:
return;
}
break;
case CpuCodeName.Cezanne:
switch (_pmTableVersion)
{
case 0x400005:
_pmTableSize = 0x944;
break;
default:
return;
}
break;
case CpuCodeName.Picasso:
case CpuCodeName.RavenRidge:
case CpuCodeName.RavenRidge2:
_pmTableSizeAlt = 0xA4;
_pmTableSize = 0x608 + _pmTableSizeAlt;
break;
case CpuCodeName.Raphael:
case CpuCodeName.GraniteRidge:
switch (_pmTableVersion)
{
case 0x00540004:
_pmTableSize = 0x948;
break;
case 0x00540104:
_pmTableSize = 0x950;
break;
default:
return;
}
break;
default:
return;
}
}
public struct SmuSensorType
{
public string Name;
public SensorType Type;
public float Scale;
}
private enum CpuCodeName
{
Undefined = -1,
Colfax,
Renoir,
Picasso,
Matisse,
Threadripper,
CastlePeak,
RavenRidge,
RavenRidge2,
SummitRidge,
PinnacleRidge,
Rembrandt,
Vermeer,
Vangogh,
Cezanne,
Milan,
Dali,
Raphael,
GraniteRidge,
Naples,
FireFlight,
Rome,
Chagall,
Lucienne,
Phoenix,
Phoenix2,
Mendocino,
Genoa,
StormPeak,
DragonRange,
Mero,
HawkPoint,
StrixPoint,
StrixHalo,
KrackanPoint,
KrackanPoint2,
Turin,
TurinD,
Bergamo,
ShimadaPeak,
}
}
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