CryptoPkg/openssl: disable codestyle checks for generated files

[mirror_edk2.git] / UefiCpuPkg / Library / MpInitLib / MpLibTdx.c

/** @file\r
  CPU MP Initialize Library common functions for Td guest.\r
\r
  Copyright (c) 2020 - 2022, Intel Corporation. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "MpLib.h"\r
#include "MpIntelTdx.h"\r
\r
/**\r
  Gets detailed MP-related information on the requested processor at the\r
  instant this call is made. This service may only be called from the BSP.\r
\r
  In current stage only the BSP is workable. So ProcessorNumber should be 0.\r
\r
  @param[in]  ProcessorNumber       The handle number of processor.\r
  @param[out] ProcessorInfoBuffer   A pointer to the buffer where information for\r
                                    the requested processor is deposited.\r
  @param[out]  HealthData            Return processor health data.\r
\r
  @retval EFI_SUCCESS             Processor information was returned.\r
  @retval EFI_DEVICE_ERROR        The calling processor is an AP.\r
  @retval EFI_INVALID_PARAMETER   ProcessorInfoBuffer is NULL or ProcessorNumber is not 0.\r
  @retval EFI_NOT_FOUND           The processor with the handle specified by\r
                                  ProcessorNumber does not exist in the platform.\r
  @retval EFI_NOT_READY           MP Initialize Library is not initialized.\r
\r
**/\r
EFI_STATUS\r
TdxMpInitLibGetProcessorInfo (\r
  IN  UINTN                      ProcessorNumber,\r
  OUT EFI_PROCESSOR_INFORMATION  *ProcessorInfoBuffer,\r
  OUT EFI_HEALTH_FLAGS           *HealthData  OPTIONAL\r
  )\r
{\r
  UINTN  OriginalProcessorNumber;\r
\r
  //\r
  // Lower 24 bits contains the actual processor number.\r
  //\r
  OriginalProcessorNumber = ProcessorNumber;\r
  ProcessorNumber        &= BIT24 - 1;\r
\r
  if ((ProcessorInfoBuffer == NULL) || (ProcessorNumber != 0)) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  ProcessorInfoBuffer->ProcessorId = 0;\r
  ProcessorInfoBuffer->StatusFlag  = PROCESSOR_AS_BSP_BIT | PROCESSOR_ENABLED_BIT;\r
  ZeroMem (&ProcessorInfoBuffer->Location, sizeof (EFI_CPU_PHYSICAL_LOCATION));\r
\r
  if ((OriginalProcessorNumber & CPU_V2_EXTENDED_TOPOLOGY) != 0) {\r
    ZeroMem (&ProcessorInfoBuffer->ExtendedInformation.Location2, sizeof (EFI_CPU_PHYSICAL_LOCATION2));\r
  }\r
\r
  if (HealthData != NULL) {\r
    HealthData->Uint32 = 0;\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Retrieves the number of logical processor in the platform and the number of\r
  those logical processors that are enabled on this boot. This service may only\r
  be called from the BSP.\r
\r
  @param[out] NumberOfProcessors          Pointer to the total number of logical\r
                                          processors in the system, including the BSP\r
                                          and disabled APs.\r
  @param[out] NumberOfEnabledProcessors   Pointer to the number of enabled logical\r
                                          processors that exist in system, including\r
                                          the BSP.\r
\r
  @retval EFI_SUCCESS             The number of logical processors and enabled\r
                                  logical processors was retrieved.\r
  @retval EFI_DEVICE_ERROR        The calling processor is an AP.\r
  @retval EFI_INVALID_PARAMETER   NumberOfProcessors is NULL and NumberOfEnabledProcessors\r
                                  is NULL.\r
  @retval EFI_NOT_READY           MP Initialize Library is not initialized.\r
\r
**/\r
EFI_STATUS\r
TdxMpInitLibGetNumberOfProcessors (\r
  OUT UINTN *NumberOfProcessors, OPTIONAL\r
  OUT UINTN *NumberOfEnabledProcessors OPTIONAL\r
  )\r
{\r
  ASSERT (NumberOfProcessors != NULL || NumberOfEnabledProcessors != NULL);\r
  //\r
  // In current stage only the BSP is workable. So NumberOfProcessors\r
  // & NumberOfEnableddProcessors are both 1.\r
  //\r
  if (NumberOfProcessors != NULL) {\r
    *NumberOfProcessors = 1;\r
  }\r
\r
  if (NumberOfEnabledProcessors != NULL) {\r
    *NumberOfEnabledProcessors = 1;\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r