/** @file
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This file defines the PCH Info Protocol.
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Copyright (c) 2017, 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 _PCH_INFO_H_
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#define _PCH_INFO_H_
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//
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// Extern the GUID for protocol users.
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//
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extern EFI_GUID gPchInfoProtocolGuid;
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//
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// Forward reference for ANSI C compatibility
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//
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typedef struct _PCH_INFO_PROTOCOL PCH_INFO_PROTOCOL;
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/**
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Protocol revision number
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Any backwards compatible changes to this protocol will result in an update in the revision number
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Major changes will require publication of a new protocol
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Revision 1: Original version
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Revision 2: Add PcieControllerCfg6 for KBL PCH-H
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**/
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#define PCH_INFO_PROTOCOL_REVISION 2
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/**
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This protocol is used to provide the information of PCH controller.
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**/
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struct _PCH_INFO_PROTOCOL {
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/**
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This member specifies the revision of the PCH Info protocol. This field is used
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to indicate backwards compatible changes to the protocol. Platform code that
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consumes this protocol must read the correct revision value to correctly interpret
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the content of the protocol fields.
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**/
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UINT8 Revision;
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UINT8 PcieControllerCfg1;
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UINT8 PcieControllerCfg2;
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UINT8 PcieControllerCfg3;
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UINT8 PcieControllerCfg4;
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UINT8 PcieControllerCfg5;
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UINT8 PcieControllerCfg6;
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};
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#endif
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