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139 lines
6.2 KiB
C
139 lines
6.2 KiB
C
/** @file
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This file declares the Device Recovery Module PPI.
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The interface of this PPI does the following:
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- Reports the number of recovery DXE capsules that exist on the associated device(s)
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- Finds the requested firmware binary capsule
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- Loads that capsule into memory
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A device can be either a group of devices, such as a block device, or an individual device.
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The module determines the internal search order, with capsule number 1 as the highest load
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priority and number N as the lowest priority.
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Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This PPI is defined in UEFI Platform Initialization Specification 1.2 Volume 1:
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Pre-EFI Initalization Core Interface
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**/
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#ifndef _PEI_DEVICE_RECOVERY_MODULE_PPI_H_
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#define _PEI_DEVICE_RECOVERY_MODULE_PPI_H_
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#define EFI_PEI_DEVICE_RECOVERY_MODULE_PPI_GUID \
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{ \
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0x0DE2CE25, 0x446A, 0x45a7, {0xBF, 0xC9, 0x37, 0xDA, 0x26, 0x34, 0x4B, 0x37 } \
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}
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typedef struct _EFI_PEI_DEVICE_RECOVERY_MODULE_PPI EFI_PEI_DEVICE_RECOVERY_MODULE_PPI;
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/**
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Returns the number of DXE capsules residing on the device.
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This function searches for DXE capsules from the associated device and returns
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the number and maximum size in bytes of the capsules discovered. Entry 1 is
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assumed to be the highest load priority and entry N is assumed to be the lowest
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priority.
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@param[in] PeiServices General-purpose services that are available
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to every PEIM
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@param[in] This Indicates the EFI_PEI_DEVICE_RECOVERY_MODULE_PPI
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instance.
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@param[out] NumberRecoveryCapsules Pointer to a caller-allocated UINTN. On
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output, *NumberRecoveryCapsules contains
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the number of recovery capsule images
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available for retrieval from this PEIM
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instance.
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@retval EFI_SUCCESS One or more capsules were discovered.
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@retval EFI_DEVICE_ERROR A device error occurred.
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@retval EFI_NOT_FOUND A recovery DXE capsule cannot be found.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_PEI_DEVICE_GET_NUMBER_RECOVERY_CAPSULE)(
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_DEVICE_RECOVERY_MODULE_PPI *This,
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OUT UINTN *NumberRecoveryCapsules
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);
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/**
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Returns the size and type of the requested recovery capsule.
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This function gets the size and type of the capsule specified by CapsuleInstance.
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@param[in] PeiServices General-purpose services that are available to every PEIM
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@param[in] This Indicates the EFI_PEI_DEVICE_RECOVERY_MODULE_PPI
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instance.
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@param[in] CapsuleInstance Specifies for which capsule instance to retrieve
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the information. This parameter must be between
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one and the value returned by GetNumberRecoveryCapsules()
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in NumberRecoveryCapsules.
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@param[out] Size A pointer to a caller-allocated UINTN in which
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the size of the requested recovery module is
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returned.
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@param[out] CapsuleType A pointer to a caller-allocated EFI_GUID in which
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the type of the requested recovery capsule is
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returned. The semantic meaning of the value
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returned is defined by the implementation.
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@retval EFI_SUCCESS One or more capsules were discovered.
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@retval EFI_DEVICE_ERROR A device error occurred.
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@retval EFI_NOT_FOUND A recovery DXE capsule cannot be found.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_PEI_DEVICE_GET_RECOVERY_CAPSULE_INFO)(
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_DEVICE_RECOVERY_MODULE_PPI *This,
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IN UINTN CapsuleInstance,
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OUT UINTN *Size,
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OUT EFI_GUID *CapsuleType
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);
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/**
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Loads a DXE capsule from some media into memory.
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This function, by whatever mechanism, retrieves a DXE capsule from some device
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and loads it into memory. Note that the published interface is device neutral.
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@param[in] PeiServices General-purpose services that are available
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to every PEIM
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@param[in] This Indicates the EFI_PEI_DEVICE_RECOVERY_MODULE_PPI
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instance.
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@param[in] CapsuleInstance Specifies which capsule instance to retrieve.
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@param[out] Buffer Specifies a caller-allocated buffer in which
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the requested recovery capsule will be returned.
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@retval EFI_SUCCESS The capsule was loaded correctly.
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@retval EFI_DEVICE_ERROR A device error occurred.
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@retval EFI_NOT_FOUND A requested recovery DXE capsule cannot be found.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_PEI_DEVICE_LOAD_RECOVERY_CAPSULE)(
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_DEVICE_RECOVERY_MODULE_PPI *This,
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IN UINTN CapsuleInstance,
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OUT VOID *Buffer
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);
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///
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/// Presents a standard interface to EFI_PEI_DEVICE_RECOVERY_MODULE_PPI,
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/// regardless of the underlying device(s).
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///
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struct _EFI_PEI_DEVICE_RECOVERY_MODULE_PPI {
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EFI_PEI_DEVICE_GET_NUMBER_RECOVERY_CAPSULE GetNumberRecoveryCapsules; ///< Returns the number of DXE capsules residing on the device.
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EFI_PEI_DEVICE_GET_RECOVERY_CAPSULE_INFO GetRecoveryCapsuleInfo; ///< Returns the size and type of the requested recovery capsule.
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EFI_PEI_DEVICE_LOAD_RECOVERY_CAPSULE LoadRecoveryCapsule; ///< Loads a DXE capsule from some media into memory.
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};
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extern EFI_GUID gEfiPeiDeviceRecoveryModulePpiGuid;
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#endif /* _PEI_DEVICE_RECOVERY_MODULE_PPI_H_ */
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