UefiCpuPkg/CpuMpPei: Add parameter BistInformationSize

Add one OPTIONAL parameter BistInformationSize for GetBistInfoFromPpi().

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@Intel.com>

1 files changed, 10 insertions, 3 deletions

diff --git a/UefiCpuPkg/CpuMpPei/CpuBist.c b/UefiCpuPkg/CpuMpPei/CpuBist.c
index 641eb10ca5..dae7d78f04 100644
--- a/UefiCpuPkg/CpuMpPei/CpuBist.c
+++ b/UefiCpuPkg/CpuMpPei/CpuBist.c
@@ -84,6 +84,7 @@ SecPlatformInformation2 (
   @param  PpiDescriptor       Return a pointer to instance of the

                               EFI_PEI_PPI_DESCRIPTOR

   @param  BistInformationData Pointer to BIST information data

+  @param  BistInformationSize Return the size in bytes of BIST information

 

   @retval EFI_SUCCESS         Retrieve of the BIST data successfully

   @retval EFI_NOT_FOUND       No sec platform information(2) ppi export

@@ -95,7 +96,8 @@ GetBistInfoFromPpi (
   IN CONST EFI_PEI_SERVICES     **PeiServices,

   IN CONST EFI_GUID             *Guid,

      OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,

-     OUT VOID                   **BistInformationData

+     OUT VOID                   **BistInformationData,

+     OUT UINT64                 *BistInformationSize OPTIONAL

   )

 {

   EFI_STATUS                            Status;

@@ -140,6 +142,9 @@ GetBistInfoFromPpi (
                                                );

         if (Status == EFI_SUCCESS) {

           *BistInformationData = SecPlatformInformation2;

+          if (BistInformationSize != NULL) {

+            *BistInformationSize = InformationSize;

+          }

           return EFI_SUCCESS;

         }

       }

@@ -191,7 +196,8 @@ CollectBistDataFromPpi (
              PeiServices,

              &gEfiSecPlatformInformation2PpiGuid,

              &SecInformationDescriptor,

-             (VOID *) &SecPlatformInformation2

+             (VOID *) &SecPlatformInformation2,

+             NULL

              );

   if (Status == EFI_SUCCESS) {

     //

@@ -207,7 +213,8 @@ CollectBistDataFromPpi (
                PeiServices,

                &gEfiSecPlatformInformationPpiGuid,

                &SecInformationDescriptor,

-               (VOID *) &SecPlatformInformation

+               (VOID *) &SecPlatformInformation,

+               NULL

                );

     if (Status == EFI_SUCCESS) {

       NumberOfData = 1;