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[mirror_edk2.git] / MdePkg / Include / Peim / PeiCis.h

/** @file
  Framework PEI master include file. This file should match the PEI CIS spec.

  Copyright (c) 2006, Intel Corporation                                                         
  All rights reserved. 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.             

  Module Name:  PeiCis.h

  @par Revision Reference:
  Version 0.91.

**/

#ifndef __PEIM_CIS_H__
#define __PEIM_CIS_H__

#include <Common/MultiPhase.h>
#include <Common/BootMode.h>
#include <Common/Hob.h>
#include <Common/FirmwareVolumeImageFormat.h>
#include <Common/FirmwareVolumeHeader.h>
#include <Common/FirmwareFileSystem.h>
#include <Common/Dependency.h>

#define TIANO_ERROR(a)              (MAX_2_BITS | (a))

#if (EFI_SPECIFICATION_VERSION < 0x00020000)
//
// Tiano added a couple of return types. These are owned by UEFI specification
//  and Tiano can not use them. Thus for UEFI 2.0/R9 support we moved the values
//  to a UEFI OEM extension range to conform to UEFI specification.
//
#define EFI_NOT_AVAILABLE_YET   EFIERR (28)
#define EFI_UNLOAD_IMAGE        EFIERR (29)
#else
#define EFI_NOT_AVAILABLE_YET   TIANO_ERROR (0)
#define EFI_UNLOAD_IMAGE        TIANO_ERROR (1)
#endif

//
// Declare forward referenced data structures
//
typedef struct _EFI_PEI_SERVICES          EFI_PEI_SERVICES;
typedef struct _EFI_PEI_NOTIFY_DESCRIPTOR EFI_PEI_NOTIFY_DESCRIPTOR;


#include <Ppi/CpuIo.h>
#include <Ppi/PciCfg.h>

//
// PEI Specification Revision information
//
#define PEI_SPECIFICATION_MAJOR_REVISION  0
#define PEI_SPECIFICATION_MINOR_REVISION  91

/**
  The PEI Dispatcher will invoke each PEIM one time.  During this pass, the PEI 
  Dispatcher will pass control to the PEIM at the AddressOfEntryPoint in the PE Header. 

  @param  FfsHeader Pointer to the FFS file header. 
  
  @param  PeiServices Describes the list of possible PEI Services.

  @return Status code

**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEIM_ENTRY_POINT)(
  IN EFI_FFS_FILE_HEADER       *FfsHeader,
  IN EFI_PEI_SERVICES          **PeiServices
  );

/**
  Entry point of the notification callback function itself within the PEIM.

  @param  PeiServices Indirect reference to the PEI Services Table.
  
  @param  NotifyDescriptor Address of the notification descriptor data structure.
  
  @param  Ppi Address of the PPI that was installed.

  @return Status code
  
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEIM_NOTIFY_ENTRY_POINT) (
  IN EFI_PEI_SERVICES           **PeiServices,
  IN EFI_PEI_NOTIFY_DESCRIPTOR  *NotifyDescriptor,
  IN VOID                       *Ppi
  );

//
// PEI Ppi Services List Descriptors
//
#define EFI_PEI_PPI_DESCRIPTOR_PIC              0x00000001
#define EFI_PEI_PPI_DESCRIPTOR_PPI              0x00000010
#define EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK  0x00000020
#define EFI_PEI_PPI_DESCRIPTOR_NOTIFY_DISPATCH  0x00000040
#define EFI_PEI_PPI_DESCRIPTOR_NOTIFY_TYPES     0x00000060
#define EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST   0x80000000

typedef struct {
  UINTN     Flags;
  EFI_GUID  *Guid;
  VOID      *Ppi;
} EFI_PEI_PPI_DESCRIPTOR;

struct _EFI_PEI_NOTIFY_DESCRIPTOR {
  UINTN                       Flags;
  EFI_GUID                    *Guid;
  EFI_PEIM_NOTIFY_ENTRY_POINT Notify;
};

/**
  This service is the first one provided by the PEI Foundation.  This function 
  installs an interface in the PEI PPI database by GUID.  The purpose of the 
  service is to publish an interface that other parties can use to call 
  additional PEIMs.

  @param  PeiServices An indirect pointer to the EFI_PEI_SERVICES table 
  published by the PEI Foundation. 
  
  @param  PpiList A pointer to the list of interfaces that the caller shall install.

  @retval EFI_SUCCESS The interface was successfully installed.
  
  @retval EFI_INVALID_PARAMETER The PpiList pointer is NULL or Any of the PEI PPI descriptors in the list do not have the EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field. 
  
  @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_INSTALL_PPI) (
  IN EFI_PEI_SERVICES            **PeiServices,
  IN EFI_PEI_PPI_DESCRIPTOR      *PpiList
  );

/**
  This function reinstalls an interface in the PEI PPI database by GUID. 
  The purpose of the service is to publish an interface that other parties 
  can use to replace a same-named interface in the protocol database 
  with a different interface. 

  @param  PeiServices An indirect pointer to the EFI_PEI_SERVICES table 
  published by the PEI Foundation. 
  
  @param  OldPpi A pointer to the former PPI in the database. 
  
  @param  NewPpi A pointer to the new interfaces that the caller shall install.

  @retval EFI_SUCCESS The interface was successfully installed.
  
  @retval EFI_INVALID_PARAMETER The PpiList pointer is NULL or Any of the PEI PPI descriptors in the list do not have the EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field. 
  
  @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.
  
  @retval EFI_NOT_FOUND The PPI for which the reinstallation was requested has not been installed.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_REINSTALL_PPI) (
  IN EFI_PEI_SERVICES                **PeiServices,
  IN EFI_PEI_PPI_DESCRIPTOR          *OldPpi,
  IN EFI_PEI_PPI_DESCRIPTOR          *NewPpi
  );

/**
  This function locates an interface in the PEI PPI database by GUID. 

  @param  PeiServices An indirect pointer to the EFI_PEI_SERVICES published by the PEI Foundation.
  
  @param  Guid A pointer to the GUID whose corresponding interface needs to be found.
  
  @param  Instance The N-th instance of the interface that is required.
  
  @param  PpiDescriptor A pointer to instance of the EFI_PEI_PPI_DESCRIPTOR.
  
  @param  Ppi A pointer to the instance of the interface.  

  @retval EFI_SUCCESS The interface was successfully returned.
  
  @retval EFI_NOT_FOUND The PPI descriptor is not found in the database.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_LOCATE_PPI) (
  IN EFI_PEI_SERVICES            **PeiServices,
  IN EFI_GUID                    *Guid,
  IN UINTN                       Instance,
  IN OUT EFI_PEI_PPI_DESCRIPTOR  **PpiDescriptor,
  IN OUT VOID                    **Ppi
  );

/**
  This function installs a notification service to be called back when a 
  given interface is installed or reinstalled.  The purpose of the service 
  is to publish an interface that other parties can use to call additional PPIs 
  that may materialize later.

  @param  PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation
  
  @param  NotifyList A pointer to the list of notification interfaces that the caller shall install.

  @retval EFI_SUCCESS The interface was successfully installed.
  
  @retval EFI_INVALID_PARAMETER The PpiList pointer is NULL or Any of the PEI PPI descriptors in the list do not have the EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field. 
  
  @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_NOTIFY_PPI) (
  IN EFI_PEI_SERVICES                **PeiServices,
  IN EFI_PEI_NOTIFY_DESCRIPTOR       *NotifyList
  );

/**
  This function returns the present value of the boot mode.

  @param  PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. 
  
  @param  BootMode A pointer to contain the value of the boot mode.

  @retval EFI_SUCCESS The boot mode was returned successfully.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_GET_BOOT_MODE) (
  IN EFI_PEI_SERVICES            **PeiServices,
  OUT EFI_BOOT_MODE              *BootMode
  );

/**
  This function sets the value of the boot mode.

  @param  PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation
  
  @param  BootMode The value of the boot mode to set.

  @retval EFI_SUCCESS The boot mode was returned successfully.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_SET_BOOT_MODE) (
  IN EFI_PEI_SERVICES            **PeiServices,
  IN EFI_BOOT_MODE               BootMode
  );

/**
  This function returns the pointer to the list of Hand-Off Blocks (HOBs) in memory. 

  @param  PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation
  
  @param  HobList A pointer to the list of HOBs that the PEI Foundation will initialize

  @retval EFI_SUCCESS The list was successfully returned.
  
  @retval EFI_NOT_AVAILABLE_YET The HOB list is not yet published.

**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_GET_HOB_LIST) (
  IN EFI_PEI_SERVICES            **PeiServices,
  IN OUT VOID                    **HobList
  );

/**