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Add into MdePkg definitions for the SMM Standby Button Dispatch2 Protocol as defined in PI 1.1 Specification Volume 4 System Management Mode Core Interface.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9232 6f19259b-4bc3-4df7-8a09-765794883524
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/** @file
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SMM Standby Button Dispatch2 Protocol as defined in PI 1.1 Specification
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Volume 4 System Management Mode Core Interface.
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This protocol provides the parent dispatch service for the standby button SMI source generator.
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Copyright (c) 2009, Intel Corporation
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All rights reserved. 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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This protocol is from PI Version 1.1.
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**/
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#ifndef _SMM_STANDBY_BUTTON_DISPATCH2_H_
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#define _SMM_STANDBY_BUTTON_DISPATCH2_H_
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#include <Pi/PiSmmCis.h>
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#define EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL_GUID \
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{ \
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0x7300c4a1, 0x43f2, 0x4017, {0xa5, 0x1b, 0xc8, 0x1a, 0x7f, 0x40, 0x58, 0x5b } \
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}
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///
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/// Standby Button phases
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///
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typedef enum {
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EfiStandbyButtonEntry,
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EfiStandbyButtonExit,
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EfiStandbyButtonMax
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} EFI_STANDBY_BUTTON_PHASE;
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///
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/// The dispatch function's context.
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///
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typedef struct {
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///
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/// Describes whether the child handler should be invoked upon the entry to the button
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/// activation or upon exit.
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///
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EFI_STANDBY_BUTTON_PHASE Phase;
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} EFI_SMM_STANDBY_BUTTON_REGISTER_CONTEXT;
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typedef struct _EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL;
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/**
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Provides the parent dispatch service for a standby button event.
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This service registers a function (DispatchFunction) which will be called when an SMI is
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generated because the standby button was pressed or released, as specified by
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RegisterContext. On return, DispatchHandle contains a unique handle which may be used
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later to unregister the function using UnRegister().
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The DispatchFunction will be called with Context set to the same value as was passed into
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this function in RegisterContext and with CommBuffer and CommBufferSize set to NULL.
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@param[in] This Pointer to the EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL instance.
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@param[in] DispatchFunction Function to register for handler when the standby button is pressed or released.
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@param[in] RegisterContext Pointer to the dispatch function’s context. The caller fills in this context
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before calling the register function to indicate to the register function the
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standby button SMI source for which the dispatch function should be invoked.
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@param[out] DispatchHandle Handle generated by the dispatcher to track the function instance.
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@retval EFI_SUCCESS The dispatch function has been successfully
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registered and the SMI source has been enabled.
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@retval EFI_DEVICE_ERROR The driver was unable to enable the SMI source.
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@retval EFI_INVALID_PARAMETER RegisterContext is invalid. The standby button input value
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is not within valid range.
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@retval EFI_OUT_OF_RESOURCES There is not enough memory (system or SMM) to manage this child.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_STANDBY_BUTTON_REGISTER)(
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IN CONST EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL *This,
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IN EFI_SMM_HANDLER_ENTRY_POINT2 DispatchFunction,
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IN EFI_SMM_STANDBY_BUTTON_REGISTER_CONTEXT *RegisterContext,
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OUT EFI_HANDLE *DispatchHandle
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);
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/**
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Unregisters a child SMI source dispatch function with a parent SMM driver.
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This service removes the handler associated with DispatchHandle so that it will no longer be
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called when the standby button is pressed or released.
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@param[in] This Pointer to the EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL instance.
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@param[in] DispatchHandle Handle of the service to remove.
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@retval EFI_SUCCESS The service has been successfully removed.
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@retval EFI_INVALID_PARAMETER The DispatchHandle was not valid.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_STANDBY_BUTTON_UNREGISTER)(
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IN CONST EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL *This,
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IN EFI_HANDLE DispatchHandle
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);
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///
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/// Interface structure for the SMM Standby Button Dispatch2 Protocol.
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///
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/// This protocol provides the parent dispatch service for the standby
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/// button SMI source generator.
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///
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struct _EFI_SMM_STANDBY_BUTTON_DISPATCH2_PROTOCOL {
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EFI_SMM_STANDBY_BUTTON_REGISTER Register;
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EFI_SMM_STANDBY_BUTTON_UNREGISTER UnRegister;
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};
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extern EFI_GUID gEfiSmmStandbyButtonDispatch2ProtocolGuid;
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#endif
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@ -650,6 +650,9 @@
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## Include/Protocol/SmmGpiDispatch2.h
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gEfiSmmGpiDispatch2ProtocolGuid = { 0x25566b03, 0xb577, 0x4cbf, {0x95, 0x8c, 0xed, 0x66, 0x3e, 0xa2, 0x43, 0x80 }}
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## Include/Protocol/SmmStandbyButtonDispatch2.h
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gEfiSmmStandbyButtonDispatch2ProtocolGuid = { 0x7300c4a1, 0x43f2, 0x4017, {0xa5, 0x1b, 0xc8, 0x1a, 0x7f, 0x40, 0x58, 0x5b }}
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#
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# Protocols defined in UEFI2.1/UEFI2.0/EFI1.1
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#
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