sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

UefiCpuPkg CpuCommonFeaturesLib: Enable Ppin feature.

Browse Source 
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
This commit is contained in:
Eric Dong
2017-07-14 10:22:04 +08:00
parent f1a68ab2cc
commit ee1d736a0a
4 changed files with 181 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h
View File

@ -854,4 +854,59 @@ FeatureControlGetConfigData (
IN UINTN NumberOfProcessors
);
/**
Detects if Protected Processor Inventory Number feature supported on current
processor.
@param[in] ProcessorNumber The index of the CPU executing this function.
@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
structure for the CPU executing this function.
@param[in] ConfigData A pointer to the configuration buffer returned
by CPU_FEATURE_GET_CONFIG_DATA. NULL if
CPU_FEATURE_GET_CONFIG_DATA was not provided in
RegisterCpuFeature().
@retval TRUE Enhanced Intel SpeedStep feature is supported.
@retval FALSE Enhanced Intel SpeedStep feature is not supported.
@note This service could be called by BSP/APs.
**/
BOOLEAN
EFIAPI
PpinSupport (
IN UINTN ProcessorNumber,
IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
IN VOID *ConfigData OPTIONAL
);
/**
Initializes Protected Processor Inventory Number feature to specific state.
@param[in] ProcessorNumber The index of the CPU executing this function.
@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
structure for the CPU executing this function.
@param[in] ConfigData A pointer to the configuration buffer returned
by CPU_FEATURE_GET_CONFIG_DATA. NULL if
CPU_FEATURE_GET_CONFIG_DATA was not provided in
RegisterCpuFeature().
@param[in] State If TRUE, then the Protected Processor Inventory
Number feature must be enabled.
If FALSE, then the Protected Processor Inventory
Number feature must be disabled.
@retval RETURN_SUCCESS Protected Processor Inventory Number feature is
initialized.
@retval RETURN_DEVICE_ERROR Device can't change state because it has been
locked.
**/
RETURN_STATUS
EFIAPI
PpinInitialize (
IN UINTN ProcessorNumber,
IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
IN VOID *ConfigData, OPTIONAL
IN BOOLEAN State
);
#endif