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84 lines
2.7 KiB
84 lines
2.7 KiB
4 years ago
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/** @file
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Platform Configuration Database (PCD) Info Protocol defined in PI 1.2.1 Vol3.
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The protocol that provides additional information about items that reside in the PCD database.
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Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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@par Revision Reference:
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PI Version 1.2.1 Vol 3.
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**/
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#ifndef __PI_PCD_INFO_H__
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#define __PI_PCD_INFO_H__
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extern EFI_GUID gEfiGetPcdInfoProtocolGuid;
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#define EFI_GET_PCD_INFO_PROTOCOL_GUID \
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{ 0xfd0f4478, 0xefd, 0x461d, { 0xba, 0x2d, 0xe5, 0x8c, 0x45, 0xfd, 0x5f, 0x5e } }
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///
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/// The forward declaration for EFI_GET_PCD_INFO_PROTOCOL.
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///
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typedef struct _EFI_GET_PCD_INFO_PROTOCOL EFI_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] 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 *EFI_GET_PCD_INFO_PROTOCOL_GET_INFO) (
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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 *EFI_GET_PCD_INFO_PROTOCOL_GET_SKU) (
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VOID
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);
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///
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/// Callers to this protocol must be at a TPL_APPLICATION task priority level.
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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 _EFI_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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EFI_GET_PCD_INFO_PROTOCOL_GET_INFO GetInfo;
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///
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/// Retrieve the currently set SKU Id.
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///
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EFI_GET_PCD_INFO_PROTOCOL_GET_SKU GetSku;
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};
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#endif
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