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100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
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/** @file
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Native Platform Configuration Database (PCD) INFO PPI
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The PPI that provides additional information about items that reside in the PCD database.
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Different with the EFI_GET_PCD_INFO_PPI defined in PI 1.2.1 specification,
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the native PCD INFO PPI provide interfaces for dynamic and dynamic-ex type PCD.
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The interfaces for dynamic type PCD do not require the token space guid as parameter,
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but interfaces for dynamic-ex type PCD require token space guid as parameter.
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Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __PCD_INFO_PPI_H__
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#define __PCD_INFO_PPI_H__
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extern EFI_GUID gGetPcdInfoPpiGuid;
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#define GET_PCD_INFO_PPI_GUID \
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{ 0x4d8b155b, 0xc059, 0x4c8f, { 0x89, 0x26, 0x6, 0xfd, 0x43, 0x31, 0xdb, 0x8a } }
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///
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/// The forward declaration for GET_PCD_INFO_PPI.
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///
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typedef struct _GET_PCD_INFO_PPI GET_PCD_INFO_PPI;
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/**
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Retrieve additional information associated with a PCD token in the default token space.
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This includes information such as the type of value the TokenNumber is associated with as well as possible
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human readable name that is associated with the token.
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@param[in] TokenNumber The PCD token number.
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@param[out] PcdInfo The returned information associated with the requested TokenNumber.
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@retval EFI_SUCCESS The PCD information was returned successfully
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@retval EFI_NOT_FOUND The PCD service could not find the requested token number.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *GET_PCD_INFO_PPI_GET_INFO) (
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IN UINTN TokenNumber,
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OUT EFI_PCD_INFO *PcdInfo
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);
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/**
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Retrieve additional information associated with a PCD token.
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This includes information such as the type of value the TokenNumber is associated with as well as possible
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human readable name that is associated with the token.
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@param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.
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@param[in] TokenNumber The PCD token number.
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@param[out] PcdInfo The returned information associated with the requested TokenNumber.
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@retval EFI_SUCCESS The PCD information was returned successfully
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@retval EFI_NOT_FOUND The PCD service could not find the requested token number.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *GET_PCD_INFO_PPI_GET_INFO_EX) (
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IN CONST EFI_GUID *Guid,
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IN UINTN TokenNumber,
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OUT EFI_PCD_INFO *PcdInfo
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);
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/**
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Retrieve the currently set SKU Id.
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@return The currently set SKU Id. If the platform has not set at a SKU Id, then the
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default SKU Id value of 0 is returned. If the platform has set a SKU Id, then the currently set SKU
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Id is returned.
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**/
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typedef
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UINTN
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(EFIAPI *GET_PCD_INFO_PPI_GET_SKU) (
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VOID
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);
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///
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/// This is the PCD service to use when querying for some additional data that can be contained in the
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/// PCD database.
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///
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struct _GET_PCD_INFO_PPI {
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///
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/// Retrieve additional information associated with a PCD.
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///
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GET_PCD_INFO_PPI_GET_INFO GetInfo;
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GET_PCD_INFO_PPI_GET_INFO_EX GetInfoEx;
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///
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/// Retrieve the currently set SKU Id.
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///
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GET_PCD_INFO_PPI_GET_SKU GetSku;
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};
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#endif
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