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9344f09215
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
114 lines
4.4 KiB
C
114 lines
4.4 KiB
C
/** @file
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MM Standby Button Dispatch Protocol as defined in PI 1.5 Specification
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Volume 4 Management Mode Core Interface.
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This protocol provides the parent dispatch service for the standby button MMI source generator.
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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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@par Revision Reference:
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This protocol is from PI Version 1.5.
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**/
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#ifndef _MM_STANDBY_BUTTON_DISPATCH_H_
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#define _MM_STANDBY_BUTTON_DISPATCH_H_
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#include <Pi/PiMmCis.h>
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#define EFI_MM_STANDBY_BUTTON_DISPATCH_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_MM_STANDBY_BUTTON_REGISTER_CONTEXT;
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typedef struct _EFI_MM_STANDBY_BUTTON_DISPATCH_PROTOCOL EFI_MM_STANDBY_BUTTON_DISPATCH_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 MMI 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_MM_STANDBY_BUTTON_DISPATCH_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 MMI 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 MMI source has been enabled.
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@retval EFI_DEVICE_ERROR The driver was unable to enable the MMI 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 MM) 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_MM_STANDBY_BUTTON_REGISTER)(
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IN CONST EFI_MM_STANDBY_BUTTON_DISPATCH_PROTOCOL *This,
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IN EFI_MM_HANDLER_ENTRY_POINT DispatchFunction,
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IN EFI_MM_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 MMI source dispatch function with a parent MM 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_MM_STANDBY_BUTTON_DISPATCH_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_MM_STANDBY_BUTTON_UNREGISTER)(
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IN CONST EFI_MM_STANDBY_BUTTON_DISPATCH_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 MM Standby Button Dispatch Protocol.
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///
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/// This protocol provides the parent dispatch service for the standby
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/// button MMI source generator.
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///
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struct _EFI_MM_STANDBY_BUTTON_DISPATCH_PROTOCOL {
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EFI_MM_STANDBY_BUTTON_REGISTER Register;
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EFI_MM_STANDBY_BUTTON_UNREGISTER UnRegister;
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};
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extern EFI_GUID gEfiMmStandbyButtonDispatchProtocolGuid;
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#endif
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