Reviewed-by: Ray Ni <ray...@intel.com> > -----Original Message----- > From: Wang, William2 <william2.w...@intel.com> > Sent: Friday, February 17, 2023 4:24 PM > To: devel@edk2.groups.io > Cc: Wang, William2 <william2.w...@intel.com>; Kinney, Michael D > <michael.d.kin...@intel.com>; Gao, Liming <gaolim...@byosoft.com.cn>; > Ni, Ray <ray...@intel.com>; Kuo, Donald <donald....@intel.com>; Kumar, > Chandana C <chandana.c.ku...@intel.com> > Subject: [PATCH v6] Update CPUID Leaf 06H to follow latest SDM. > > From: William2 Wang <william2.w...@intel.com> > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4262 > > Update CPUID Leaf 06H to follow latest SDM. > > Cc: Michael D Kinney <michael.d.kin...@intel.com> > Cc: Liming Gao <gaolim...@byosoft.com.cn> > Cc: Ray Ni <ray...@intel.com> > Cc: Donald Kuo <donald....@intel.com> > Cc: Chandana C Kumar <chandana.c.ku...@intel.com> > --- > MdePkg/Include/Register/Intel/Cpuid.h | 65 ++++++++++++++++++-- > 1 file changed, 59 insertions(+), 6 deletions(-) > > diff --git a/MdePkg/Include/Register/Intel/Cpuid.h > b/MdePkg/Include/Register/Intel/Cpuid.h > index 350bf60252..a8d25671bd 100644 > --- a/MdePkg/Include/Register/Intel/Cpuid.h > +++ b/MdePkg/Include/Register/Intel/Cpuid.h > @@ -1195,12 +1195,24 @@ typedef union { > /// [Bit 18] Fast access mode for the IA32_HWP_REQUEST MSR is > supported if set. > > /// > > UINT32 FastAccessMode : 1; > > - UINT32 Reserved4 : 1; > > + /// > > + /// [Bit 19] IA32_HW_FEEDBACK_PTR MSR, IA32_HW_FEEDBACK_CONFIG > MSR, > > + /// IA32_PACKAGE_THERM_STATUS MSR bit 26, and > IA32_PACKAGE_THERM_INTERRUPT MSR bit 25 are supported if set. > > + UINT32 HW_FEEDBACK : 1; > > /// > > /// [Bit 20] Ignoring Idle Logical Processor HWP request is supported if > set. > > /// > > UINT32 IgnoringIdleLogicalProcessorHWPRequest : 1; > > - UINT32 Reserved5 : 11; > > + UINT32 Reserved6 : 2; > > + /// > > + /// [Bit 23] Intel Thread Director supported if set. > IA32_HW_FEEDBACK_CHAR and > > + /// IA32_HW_FEEDBACK_THREAD_CONFIG MSRs are supported if set. > > + UINT32 ThreadDirector : 1; > > + /// > > + /// [Bit 24] IA32_THERM_INTERRUPT MSR bit 25 is supported if set. > > + /// > > + UINT32 IA32_THERM_INTERRUPT : 1; > > + UINT32 Reserved7 : 7; > > } Bits; > > /// > > /// All bit fields as a 32-bit value > > @@ -1244,15 +1256,21 @@ typedef union { > /// processor performance (since last reset of the counters), as a > percentage > > /// of the expected processor performance when running at the TSC > frequency. > > /// > > - UINT32 HardwareCoordinationFeedback : 1; > > - UINT32 Reserved1 : 2; > > + UINT32 HardwareCoordinationFeedback : 1; > > + UINT32 Reserved1 : 2; > > /// > > /// [Bit 3] If this bit is set, then the processor supports performance- > energy > > /// bias preference and the architectural MSR called > IA32_ENERGY_PERF_BIAS > > /// (1B0H). > > /// > > - UINT32 PerformanceEnergyBias : 1; > > - UINT32 Reserved2 : 28; > > + UINT32 PerformanceEnergyBias : 1; > > + UINT32 Reserved3 : 4; > > + /// > > + /// {Bit 15:8] Number of Intel Thread Director classes supported by the > processor. Information for that > > + /// many classes is written into the Intel Thread Director Table by the > hardware. > > + /// > > + UINT32 NumberOfThreadDirectorClasses : 8; > > + UINT32 Reserved4 : 16; > > } Bits; > > /// > > /// All bit fields as a 32-bit value > > @@ -1260,6 +1278,41 @@ typedef union { > UINT32 Uint32; > > } CPUID_THERMAL_POWER_MANAGEMENT_ECX; > > > > +/** > > + CPUID Thermal and Power Management Information returned in EDX for > CPUID leaf > > + #CPUID_THERMAL_POWER_MANAGEMENT. > > +**/ > > +typedef union { > > + /// > > + /// Individual bit fields > > + /// > > + struct { > > + /// > > + /// {Bits 7:0] Bitmap of supported hardware feedback interface > capabilities. > > + /// 0 = When set to 1, indicates support for performance capability > reporting. > > + /// 1 = When set to 1, indicates support for energy efficiency > capability > reporting. > > + /// 2-7 = Reserved > > + /// > > + UINT32 InterfaceCapability : 8; > > + /// > > + /// {Bits 11:8] Enumerates the size of the hardware feedback interface > structure in number of 4 KB pages; > > + /// add one to the return value to get the result. > > + /// > > + UINT32 InterfaceStructureSize4K : 4; > > + UINT32 Reserved : 4; > > + /// > > + /// {Bits 31:16] : Index (starting at 0) of this logical processor's row > in the > hardware feedback interface structure. > > + /// Note that on some parts the index may be same for multiple logical > processors. On some parts the > > + /// indices may not be contiguous, i.e., there may be unused rows in the > hardware feedback interface structure. > > + /// > > + UINT32 LogicalProcessorRowIndex : 16; > > + } Bits; > > + /// > > + /// All bit fields as a 32-bit value > > + /// > > + UINT32 Uint32; > > +} CPUID_THERMAL_POWER_MANAGEMENT_EDX; > > + > > /** > > CPUID Structured Extended Feature Flags Enumeration > > > > -- > 2.34.1.windows.1
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