audk/Vlv2DeviceRefCodePkg/ValleyView2Soc/SouthCluster/Include/Protocol/PchInfo.h

67 lines
1.7 KiB
C

/**
**/
/**
Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
@file
PchInfo.h
@brief
This file defines the PCH Info Protocol.
**/
#ifndef _PCH_INFO_H_
#define _PCH_INFO_H_
#define EFI_PCH_INFO_PROTOCOL_GUID \
{ \
0xd31f0400, 0x7d16, 0x4316, 0xbf, 0x88, 0x60, 0x65, 0x88, 0x3b, 0x40, 0x2b \
}
extern EFI_GUID gEfiPchInfoProtocolGuid;
///
/// Forward reference for ANSI C compatibility
///
typedef struct _EFI_PCH_INFO_PROTOCOL EFI_PCH_INFO_PROTOCOL;
///
/// Protocol revision number
/// Any backwards compatible changes to this protocol will result in an update in the revision number
/// Major changes will require publication of a new protocol
///
/// Revision 1: Original version
///
#define PCH_INFO_PROTOCOL_REVISION_1 1
#define PCH_INFO_PROTOCOL_REVISION_2 2
///
/// RCVersion[7:0] is the release number.
/// For example:
/// VlvFramework 0.6.0-01 should be 00 06 00 01 (0x00060001)
/// VlvFramework 0.6.2 should be 00 06 02 00 (0x00060200)
///
#define PCH_RC_VERSION 0x01000000
///
/// Protocol definition
///
struct _EFI_PCH_INFO_PROTOCOL {
UINT8 Revision;
UINT8 BusNumber;
UINT32 RCVersion;
};
#endif