REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1460 Refer to Uefi spec 2.8, the ResetData is valid while ResetStatus is EFI_SUCCESS regardless of the ResetType is EfiResetPlatformSpecific or not. Cc: Jian J Wang <jian.j.wang@intel.com> Cc: Hao Wu <hao.a.wu@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Star Zeng <star.zeng@intel.com> Cc: Liming Gao <liming.gao@intel.com> Cc: Sean Brogan <sean.brogan@microsoft.com> Cc: Michael Turner <Michael.Turner@microsoft.com> Cc: Bret Barkelew <Bret.Barkelew@microsoft.com> Signed-off-by: Zhichao Gao <zhichao.gao@intel.com> Reviewed-by: Hao Wu <hao.a.wu@intel.com>
		
			
				
	
	
		
			122 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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  Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
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  SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _RESET_SYSTEM2_H_
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#define _RESET_SYSTEM2_H_
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#include <Uefi.h>
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#include <PiPei.h>
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#include <Ppi/Reset2.h>
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#include <Ppi/PlatformSpecificResetFilter.h>
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#include <Ppi/PlatformSpecificResetNotification.h>
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#include <Ppi/PlatformSpecificResetHandler.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/HobLib.h>
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#include <Library/ResetSystemLib.h>
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#include <Library/ReportStatusCodeLib.h>
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//
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// The maximum recursion depth to ResetSystem() by reset notification handlers
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//
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#define MAX_RESET_NOTIFY_DEPTH 10
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//
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// Data to put in GUIDed HOB
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//
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typedef struct {
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  UINT32                          Signature;
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  UINT32                          Count;
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  EFI_RESET_SYSTEM                ResetFilters[0]; // ResetFilters[PcdGet32 (PcdMaximumResetNotifies)]
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} RESET_FILTER_LIST;
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#define RESET_FILTER_LIST_SIGNATURE    SIGNATURE_32('r', 's', 't', 'l')
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typedef struct {
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  EDKII_PLATFORM_SPECIFIC_RESET_FILTER_PPI ResetFilter;
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  EFI_GUID                                 *Guid;
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} RESET_FILTER_INSTANCE;
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/**
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  Resets the entire platform.
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  @param[in] ResetType          The type of reset to perform.
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  @param[in] ResetStatus        The status code for the reset.
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  @param[in] DataSize           The size, in bytes, of ResetData.
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  @param[in] ResetData          For a ResetType of EfiResetCold, EfiResetWarm, or
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                                EfiResetShutdown the data buffer starts with a Null-terminated
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                                string, optionally followed by additional binary data.
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                                The string is a description that the caller may use to further
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                                indicate the reason for the system reset.
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                                For a ResetType of EfiResetPlatformSpecific the data buffer
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                                also starts with a Null-terminated string that is followed
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                                by an EFI_GUID that describes the specific type of reset to perform.
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**/
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VOID
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EFIAPI
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ResetSystem2 (
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  IN EFI_RESET_TYPE   ResetType,
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  IN EFI_STATUS       ResetStatus,
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  IN UINTN            DataSize,
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  IN VOID             *ResetData OPTIONAL
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  );
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/**
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  Register a notification function to be called when ResetSystem() is called.
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  The RegisterResetNotify() function registers a notification function that is called when
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  ResetSystem()is called and prior to completing the reset of the platform.
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  The registered functions must not perform a platform reset themselves. These
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  notifications are intended only for the notification of components which may need some
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  special-purpose maintenance prior to the platform resetting.
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  @param[in]  This              A pointer to the EDKII_PLATFORM_SPECIFIC_RESET_FILTER_PPI instance.
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  @param[in]  ResetFunction     Points to the function to be called when a ResetSystem() is executed.
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  @retval EFI_SUCCESS           The reset notification function was successfully registered.
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  @retval EFI_INVALID_PARAMETER ResetFunction is NULL.
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  @retval EFI_OUT_OF_RESOURCES  There are not enough resources available to register the reset notification function.
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  @retval EFI_ALREADY_STARTED   The reset notification function specified by ResetFunction has already been registered.
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**/
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EFI_STATUS
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EFIAPI
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RegisterResetNotify (
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  IN EDKII_PLATFORM_SPECIFIC_RESET_FILTER_PPI *This,
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  IN EFI_RESET_SYSTEM                         ResetFunction
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  );
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/**
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  Unregister a notification function.
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  The UnregisterResetNotify() function removes the previously registered
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  notification using RegisterResetNotify().
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  @param[in]  This              A pointer to the EFI_RESET_NOTIFICATION_PROTOCOL instance.
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  @param[in]  ResetFunction     The pointer to the ResetFunction being unregistered.
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  @retval EFI_SUCCESS           The reset notification function was unregistered.
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  @retval EFI_INVALID_PARAMETER ResetFunction is NULL.
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  @retval EFI_INVALID_PARAMETER The reset notification function specified by ResetFunction was not previously
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                                registered using RegisterResetNotify().
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**/
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EFI_STATUS
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EFIAPI
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UnregisterResetNotify (
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  IN EFI_RESET_NOTIFICATION_PROTOCOL *This,
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  IN EFI_RESET_SYSTEM                ResetFunction
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  );
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#endif
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