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103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
/** @file
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Native Platform Configuration Database (PCD) INFO PROTOCOL.
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The protocol that provides additional information about items that reside in the PCD database.
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Different with the EFI_GET_PCD_INFO_PROTOCOL defined in PI 1.2.1 specification,
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the native PCD INFO PROTOCOL 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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@par Revision Reference:
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This Protocol was introduced in PI Specification 1.2.
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**/
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#ifndef __PCD_INFO_H__
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#define __PCD_INFO_H__
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extern EFI_GUID gGetPcdInfoProtocolGuid;
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#define GET_PCD_INFO_PROTOCOL_GUID \
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{ 0x5be40f57, 0xfa68, 0x4610, { 0xbb, 0xbf, 0xe9, 0xc5, 0xfc, 0xda, 0xd3, 0x65 } }
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///
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/// The forward declaration for GET_PCD_INFO_PROTOCOL.
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///
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typedef struct _GET_PCD_INFO_PROTOCOL GET_PCD_INFO_PROTOCOL;
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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] 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_PROTOCOL_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_PROTOCOL_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_PROTOCOL_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_PROTOCOL {
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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_PROTOCOL_GET_INFO GetInfo;
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GET_PCD_INFO_PROTOCOL_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_PROTOCOL_GET_SKU GetSku;
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};
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#endif
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