UefiCpuPkg/MpInitLibUp: Add MpInitLibStartupAllCPUs API.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1973

Add new MpInitLibStartupAllCPUs API uses to start all processors
at the same time.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Chandana Kumar <chandana.c.kumar@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>

diff --git a/UefiCpuPkg/Library/MpInitLibUp/MpInitLibUp.c b/UefiCpuPkg/Library/MpInitLibUp/MpInitLibUp.c
index 36c2bb53266a5a29f5e44facda5eb5b3d09703b3..b4024ee1aedaad26e55d70055779ded3022bfa82 100644 (file)
--- a/UefiCpuPkg/Library/MpInitLibUp/MpInitLibUp.c
+++ b/UefiCpuPkg/Library/MpInitLibUp/MpInitLibUp.c
@@ -405,3 +405,38 @@ MpInitLibWhoAmI (
   *ProcessorNumber = 0;\r
   return EFI_SUCCESS;\r
 }\r
+\r
+/**\r
+  This service executes a caller provided function on all enabled CPUs.\r
+\r
+  @param[in]  Procedure               A pointer to the function to be run on\r
+                                      enabled APs of the system. See type\r
+                                      EFI_AP_PROCEDURE.\r
+  @param[in]  TimeoutInMicroseconds   Indicates the time limit in microseconds for\r
+                                      APs to return from Procedure, either for\r
+                                      blocking or non-blocking mode. Zero means\r
+                                      infinity. TimeoutInMicroseconds is ignored\r
+                                      for BSP.\r
+  @param[in]  ProcedureArgument       The parameter passed into Procedure for\r
+                                      all APs.\r
+\r
+  @retval EFI_SUCCESS             CPU have finished the procedure.\r
+  @retval EFI_INVALID_PARAMETER   Procedure is NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+MpInitLibStartupAllCPUs (\r
+  IN  EFI_AP_PROCEDURE          Procedure,\r
+  IN  UINTN                     TimeoutInMicroseconds,\r
+  IN  VOID                      *ProcedureArgument      OPTIONAL\r
+  )\r
+{\r
+  if (Procedure == NULL) {\r
+    return EFI_INVALID_PARAMETER;\r
+  }\r
+\r
+  Procedure (ProcedureArgument);\r
+\r
+  return EFI_SUCCESS;\r
+}\r