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/** @file
Header file for PCH RESET Common Library.
@copyright
Copyright (c) 2011 - 2012 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
This file contains an 'Intel Peripheral Driver' and uniquely
identified as "Intel Reference Module" and is
licensed for Intel CPUs and chipsets under the terms of your
license agreement with Intel or your vendor. This file may
be modified by the user, subject to additional terms of the
license agreement
**/
#ifndef _RESET_COMMON_H_
#define _RESET_COMMON_H_
//
// External include files do NOT need to be explicitly specified in real EDKII
// environment
//
#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000)
#include "PchAccess.h"
#include "PchPlatformLib.h"
#endif
///
/// Private data structure definitions for the driver
///
#define PCH_RESET_SIGNATURE EFI_SIGNATURE_32 ('I', 'E', 'R', 'S')
typedef struct {
UINT32 Signature;
EFI_HANDLE Handle;
PCH_RESET_PROTOCOL PchResetProtocol;
UINTN PchRootComplexBar;
} PCH_RESET_INSTANCE;
#define PCH_RESET_INSTANCE_FROM_THIS(a) \
CR ( \
a, \
PCH_RESET_INSTANCE, \
PchResetProtocol, \
PCH_RESET_SIGNATURE \
)
//
// Function prototypes used by the Pch Reset protocol.
//
/**
Initialize an Pch Reset protocol instance.
The function will assert in debug if PCH RCBA has not been initialized
@param[in] PchResetInstance Pointer to PchResetInstance to initialize
@retval EFI_SUCCESS The protocol instance was properly initialized
@exception EFI_UNSUPPORTED The PCH is not supported by this module
**/
EFI_STATUS
PchResetProtocolConstructor (
PCH_RESET_INSTANCE *PchResetInstance
);
/**
Execute Pch Reset from the host controller.
@param[in] This Pointer to the PCH_RESET_PROTOCOL instance.
@param[in] PchResetType Pch Reset Types which includes ColdReset, WarmReset, ShutdownReset,
PowerCycleReset, GlobalReset, GlobalResetWithEc
@retval EFI_SUCCESS Successfully completed.
@retval EFI_INVALID_PARAMETER If ResetType is invalid.
**/
EFI_STATUS
EFIAPI
PchReset (
IN PCH_RESET_PROTOCOL *This,
IN PCH_RESET_TYPE PchResetType
);
#endif
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