UefiCpuPkg CpuCommonFeaturesLib: Enable LMCE feature.

[mirror_edk2.git] / UefiCpuPkg / Library / CpuCommonFeaturesLib / CpuCommonFeatures.h

diff --git a/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h b/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h
index c5bc62b2072891f24525affb669972feee124683..b8269b00f3f3f4c724eb205e5d9258a3d1a5401e 100644 (file)
--- a/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h
+++ b/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h
@@ -909,4 +909,56 @@ PpinInitialize (
   IN BOOLEAN                           State\r
   );\r
 \r
+/**\r
+  Detects if Local machine check exception feature supported on current \r
+  processor.\r
+\r
+  @param[in]  ProcessorNumber  The index of the CPU executing this function.\r
+  @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
+                               structure for the CPU executing this function.\r
+  @param[in]  ConfigData       A pointer to the configuration buffer returned\r
+                               by CPU_FEATURE_GET_CONFIG_DATA.  NULL if\r
+                               CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
+                               RegisterCpuFeature().\r
+\r
+  @retval TRUE     Local machine check exception feature is supported.\r
+  @retval FALSE    Local machine check exception feature is not supported.\r
+\r
+  @note This service could be called by BSP/APs.\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+LmceSupport (\r
+  IN UINTN                             ProcessorNumber,\r
+  IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,\r
+  IN VOID                              *ConfigData  OPTIONAL\r
+  );\r
+\r
+/**\r
+  Initializes Local machine check exception feature to specific state.\r
+\r
+  @param[in]  ProcessorNumber  The index of the CPU executing this function.\r
+  @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
+                               structure for the CPU executing this function.\r
+  @param[in]  ConfigData       A pointer to the configuration buffer returned\r
+                               by CPU_FEATURE_GET_CONFIG_DATA.  NULL if\r
+                               CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
+                               RegisterCpuFeature().\r
+  @param[in]  State            If TRUE, then the Local machine check exception\r
+                               feature must be enabled.\r
+                               If FALSE, then the Local machine check exception\r
+                               feature must be disabled.\r
+\r
+  @retval RETURN_SUCCESS       Local machine check exception feature is initialized.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+LmceInitialize (\r
+  IN UINTN                             ProcessorNumber,\r
+  IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,\r
+  IN VOID                              *ConfigData,  OPTIONAL\r
+  IN BOOLEAN                           State\r
+  );\r
+\r
 #endif\r