uefi/linaro-edk2/IntelFspPkg/Include/Library/FspCommonLib.h

/** @file

  Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>
  This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php.

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#ifndef _FSP_COMMON_LIB_H_
#define _FSP_COMMON_LIB_H_

#include <FspGlobalData.h>
#include <FspMeasurePointId.h>

/**
  This function sets the FSP global data pointer.

  @param[in] FspData       Fsp global data pointer.

**/
VOID
EFIAPI
SetFspGlobalDataPointer (
  IN FSP_GLOBAL_DATA   *FspData
  );

/**
  This function gets the FSP global data pointer.

**/
FSP_GLOBAL_DATA *
EFIAPI
GetFspGlobalDataPointer (
  VOID
  );

/**
  This function gets back the FSP API paramter passed by the bootlaoder.

  @retval ApiParameter FSP API paramter passed by the bootlaoder.
**/
UINT32
EFIAPI
GetFspApiParameter (
  VOID
  );

/**
  This function sets the FSP API paramter in the stack.

   @param[in] Value       New parameter value.

**/
VOID
EFIAPI
SetFspApiParameter (
  IN UINT32      Value
  );

/**
  This function sets the FSP continuation function parameters in the stack.

  @param[in] Value             New parameter value to set.
  @param[in] Index             Parameter index.
**/
VOID
EFIAPI
SetFspContinuationFuncParameter (
  IN UINT32      Value,
  IN UINT32      Index
  );

/**
  This function changes the Bootloader return address in stack.

  @param[in] ReturnAddress       Address to return.

**/
VOID
EFIAPI
SetFspApiReturnAddress (
  IN UINT32  ReturnAddress
  );

/**
  This function set the API status code returned to the bootloader.

  @param[in] ReturnStatus       Status code to return.

**/
VOID
EFIAPI
SetFspApiReturnStatus (
  IN UINT32  ReturnStatus
  );

/**
  This function sets the context switching stack to a new stack frame.

  @param[in] NewStackTop       New core stack to be set.

**/
VOID
EFIAPI
SetFspCoreStackPointer (
  IN VOID   *NewStackTop
  );

/**
  This function sets the platform specific data pointer.

  @param[in] PlatformData       Fsp platform specific data pointer.

**/
VOID
EFIAPI
SetFspPlatformDataPointer (
  IN VOID   *PlatformData
  );

/**
  This function gets the platform specific data pointer.

   @param[in] PlatformData       Fsp platform specific data pointer.

**/
VOID *
EFIAPI
GetFspPlatformDataPointer (
  VOID
  );

/**
  This function sets the UPD data pointer.

  @param[in] UpdDataRgnPtr   UPD data pointer.
**/
VOID
EFIAPI
SetFspUpdDataPointer (
  IN VOID    *UpdDataRgnPtr
  );

/**
  This function gets the UPD data pointer.

  @return UpdDataRgnPtr   UPD data pointer.
**/
VOID *
EFIAPI
GetFspUpdDataPointer (
  VOID
  );

/**
  Set FSP measurement point timestamp.

  @param[in] Id       Measurement point ID.

  @return performance timestamp.
**/
UINT64
EFIAPI
SetFspMeasurePoint (
  IN UINT8  Id
  );

/**
  This function gets the FSP info header pointer.

  @retval FspInfoHeader   FSP info header pointer
**/
FSP_INFO_HEADER *
EFIAPI
GetFspInfoHeader (
  VOID
  );

/**
  This function gets FSP API calling mode.

  @retval API calling mode
**/
UINT8
EFIAPI
GetFspApiCallingMode (
  VOID
  );

/**
  This function sets FSP API calling mode.

  @param[in] Mode     API calling mode
**/
VOID
EFIAPI
SetFspApiCallingMode (
  UINT8  Mode
  );

#endif