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/** @file
Header file for SMM Control Driver.
@copyright
Copyright (c) 1999 - 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 _SMM_CONTROL_DRIVER_H_
#define _SMM_CONTROL_DRIVER_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 "EdkIIGlueDxe.h"
#include "Pci22.h"
//
// Driver private data
//
#include EFI_PROTOCOL_DEFINITION (SmmControl)
#include "PchAccess.h"
#include "PchPlatformLib.h"
#endif
#define SMM_CONTROL_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32 ('i', '4', 's', 'c')
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
EFI_SMM_CONTROL_PROTOCOL SmmControl;
} SMM_CONTROL_PRIVATE_DATA;
#define SMM_CONTROL_PRIVATE_DATA_FROM_THIS(a) CR (a, SMM_CONTROL_PRIVATE_DATA, SmmControl, SMM_CONTROL_DEV_SIGNATURE)
//
// Prototypes
//
/**
This is the constructor for the SMM Control protocol
@param[in] ImageHandle Handle for the image of this driver
@param[in] SystemTable Pointer to the EFI System Table
@retval EFI_STATUS Results of the installation of the SMM Control Protocol
**/
EFI_STATUS
EFIAPI
SmmControlDriverEntryInit (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
/**
Trigger the software SMI
@param[in] Data The value to be set on the software SMI data port
@retval EFI_SUCCESS Function completes successfully
**/
EFI_STATUS
EFIAPI
SmmTrigger (
UINT8 Data
);
/**
Clear the SMI status
@param[in] None
@retval EFI_SUCCESS The function completes successfully
@retval EFI_DEVICE_ERROR Something error occurred
**/
EFI_STATUS
EFIAPI
SmmClear (
VOID
);
/**
This routine generates an SMI
@param[in] This The EFI SMM Control protocol instance
@param[in, out] ArgumentBuffer The buffer of argument
@param[in, out] ArgumentBufferSize The size of the argument buffer
@param[in] Periodic Periodic or not
@param[in] ActivationInterval Interval of periodic SMI
@retval EFI Status Describing the result of the operation
@retval EFI_INVALID_PARAMETER Some parameter value passed is not supported
**/
EFI_STATUS
EFIAPI
Activate (
IN EFI_SMM_CONTROL_PROTOCOL * This,
IN OUT INT8 *ArgumentBuffer OPTIONAL,
IN OUT UINTN *ArgumentBufferSize OPTIONAL,
IN BOOLEAN Periodic OPTIONAL,
IN UINTN ActivationInterval OPTIONAL
);
/**
This routine clears an SMI
@param[in] This The EFI SMM Control protocol instance
@param[in] Periodic Periodic or not
@retval EFI Status Describing the result of the operation
@retval EFI_INVALID_PARAMETER Some parameter value passed is not supported
**/
EFI_STATUS
EFIAPI
Deactivate (
IN EFI_SMM_CONTROL_PROTOCOL *This,
IN BOOLEAN Periodic OPTIONAL
);
/**
This routine gets SMM control register information
@param[in] This The SMM Control protocol instance
@param[in, out] SmiRegister Output parameter: the SMI control register information is returned
@retval EFI_INVALID_PARAMETER Parameter SmiRegister is NULL
@retval EFI_SUCCESS Function completes successfully
**/
EFI_STATUS
EFIAPI
GetRegisterInfo (
IN EFI_SMM_CONTROL_PROTOCOL *This,
IN OUT EFI_SMM_CONTROL_REGISTER *SmiRegister
);
/**
Disable all pending SMIs
@param[in] None
@retval None
**/
VOID
EFIAPI
DisablePendingSmis (
VOID
);
#endif
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