MdePkg/Include/Ppi/RecoveryModule.h File Reference


Data Structures

struct  _EFI_PEI_RECOVERY_MODULE_PPI

Defines

#define EFI_PEI_RECOVERY_MODULE_PPI_GUID

Typedefs

typedef struct
_EFI_PEI_RECOVERY_MODULE_PPI 
EFI_PEI_RECOVERY_MODULE_PPI
typedef EFI_STATUS(EFIAPIEFI_PEI_LOAD_RECOVERY_CAPSULE )(IN EFI_PEI_SERVICES **PeiServices, IN EFI_PEI_RECOVERY_MODULE_PPI *This)

Variables

EFI_GUID gEfiPeiRecoveryModulePpiGuid

Detailed Description

This file declares Recovery Module PPI. This PPI is used to find and load the recovery files.

A module that produces this PPI has many roles and is responsible for the following:

  1. Calling the driver recovery PPI EFI_PEI_DEVICE_RECOVERY_MODULE_PPI. GetNumberRecoveryCapsules() to determine if one or more DXE recovery entities exist.
  2. If no capsules exist, then performing appropriate error handling.
  3. Allocating a buffer of MaxRecoveryCapsuleSize as determined by EFI_PEI_DEVICE_RECOVERY_MODULE_PPI.GetRecoveryCapsuleInfo() or larger.
  4. Determining the policy in which DXE recovery capsules are loaded.
  5. Calling the driver recovery PPI EFI_PEI_DEVICE_RECOVERY_MODULE_PPI. LoadRecoveryCapsule() for capsule number x.
  6. If the load failed, performing appropriate error handling.
  7. Performing security checks for a loaded DXE recovery capsule.
  8. If the security checks failed, then logging the failure in a data HOB.
  9. If the security checks failed, then determining the next EFI_PEI_DEVICE_RECOVERY_MODULE_PPI.LoadRecoveryCapsule()capsule number; otherwise, go to step 11.
  10. If more DXE recovery capsules exist, then go to step 5; otherwise, perform error handling.
  11. Decomposing the capsule loaded by EFI_PEI_DEVICE_RECOVERY_MODULE_PPI. LoadRecoveryCapsule() into its components. It is assumed that the path parameters are redundant for recovery and Setup parameters are either redundant or canned.
  12. Invalidating all HOB entries for updateable firmware volume entries. This invalidation prevents possible errant drivers from being executed.
  13. Updating the HOB table with the recovery DXE firmware volume information generated from the capsule decomposition.
  14. Returning to the PEI Dispatcher.

Copyright (c) 2007 - 2011, 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.

Revision Reference:
This PPI is defined in UEFI Platform Initialization Specification 1.2 Errata B Volume 1: Pre-EFI Initalization Core Interface

Define Documentation

#define EFI_PEI_RECOVERY_MODULE_PPI_GUID

Value:

{ \
    0xFB6D9542, 0x612D, 0x4f45, {0x87, 0x2F, 0x5C, 0xFF, 0x52, 0xE9, 0x3D, 0xCF } \
  }


Typedef Documentation

Loads a DXE capsule from some media into memory and updates the HOB table with the DXE firmware volume information.

Parameters:
PeiServices General-purpose services that are available to every PEIM.
This Indicates the EFI_PEI_RECOVERY_MODULE_PPI instance.
Return values:
EFI_SUCCESS The capsule was loaded correctly.
EFI_DEVICE_ERROR A device error occurred.
EFI_NOT_FOUND A recovery DXE capsule cannot be found.


Variable Documentation


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