CryptoPkg/Library/BaseCryptLib/Hash/CryptDispatchApDxe.c

   1 /** @file
   2   Dispatch Block to Aps in Dxe phase for parallelhash algorithm.
   3
   4 Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
   5 SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include "CryptParallelHash.h"
  10 #include <Library/UefiBootServicesTableLib.h>
  11 #include <Protocol/MpService.h>
  12
  13 /**
  14   Dispatch the block task to each AP in PEI phase.
  15
  16 **/
  17 VOID
  18 EFIAPI
  19 DispatchBlockToAp (
  20   VOID
  21   )
  22 {
  23   EFI_STATUS                Status;
  24   EFI_MP_SERVICES_PROTOCOL  *MpServices;
  25
  26   Status = gBS->LocateProtocol (
  27                   &gEfiMpServiceProtocolGuid,
  28                   NULL,
  29                   (VOID **)&MpServices
  30                   );
  31   if (EFI_ERROR (Status)) {
  32     //
  33     // Failed to locate MpServices Protocol, do parallel hash by one core.
  34     //
  35     DEBUG ((DEBUG_ERROR, "[DispatchBlockToApDxe] Failed to locate MpServices Protocol. Status = %r\n", Status));
  36     return;
  37   }
  38
  39   Status = MpServices->StartupAllAPs (
  40                          MpServices,
  41                          ParallelHashApExecute,
  42                          FALSE,
  43                          NULL,
  44                          0,
  45                          NULL,
  46                          NULL
  47                          );
  48   return;
  49 }