UefiCpuPkg/MpInitLib: Implementation of MpInitLibEnableDisableAP()

[mirror_edk2.git] / UefiCpuPkg / Library / MpInitLib / MpLib.h

diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h
index bfc7fb72e0124cdee4279d658b661b3d982874c5..f8b172f414e48e9f30773878e8b71099c3f8dff8 100644 (file)
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.h
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h
@@ -364,6 +364,27 @@ SwitchBSPWorker (
   IN BOOLEAN                   EnableOldBSP\r
   );\r
 \r
+/**\r
+  Worker function to let the caller enable or disable an AP from this point onward.\r
+  This service may only be called from the BSP.\r
+\r
+  @param[in] ProcessorNumber   The handle number of AP.\r
+  @param[in] EnableAP          Specifies the new state for the processor for\r
+                               enabled, FALSE for disabled.\r
+  @param[in] HealthFlag        If not NULL, a pointer to a value that specifies\r
+                               the new health status of the AP.\r
+\r
+  @retval EFI_SUCCESS          The specified AP was enabled or disabled successfully.\r
+  @retval others               Failed to Enable/Disable AP.\r
+\r
+**/\r
+EFI_STATUS\r
+EnableDisableApWorker (\r
+  IN  UINTN                     ProcessorNumber,\r
+  IN  BOOLEAN                   EnableAP,\r
+  IN  UINT32                    *HealthFlag OPTIONAL\r
+  );\r
+\r
 /**\r
   Get pointer to CPU MP Data structure from GUIDed HOB.\r
 \r