127 lines
4.1 KiB
C
127 lines
4.1 KiB
C
/** @file
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;******************************************************************************
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;* Copyright (c) 2012 - 2016, Insyde Software Corp. All Rights Reserved.
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;*
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;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
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;* transmit, broadcast, present, recite, release, license or otherwise exploit
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;* any part of this publication in any form, by any means, without the prior
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;* written permission of Insyde Software Corporation.
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;*
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;******************************************************************************
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*/
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#ifndef _L05_SPECIFIC_VARIABLE_SERVICE_SMM_H_
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#define _L05_SPECIFIC_VARIABLE_SERVICE_SMM_H_
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#include <OemSwSmi.h>
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#include <FlashRegionLayout.h>
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#include <Library/BaseLib.h>
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#include <Library/SmmServicesTableLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/BaseLib/BaseLibInternals.h>
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#include <Library/PcdLib.h>
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#include <Library/FdSupportLib.h>
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#include <Library/FlashRegionLib.h>
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#include <Protocol/SmmCpu.h>
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#include <Protocol/SmmSwDispatch2.h>
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#include <Protocol/L05Variable.h>
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#if (FixedPcdGet32 (PcdFlashFvL05Variable1Size) == 0 || FixedPcdGet32 (PcdFlashFvL05Variable2Size) == 0)
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#error "The size of VARIABLE_SUBREGION_1 and 2 must not be 0."
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#endif
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#if (FixedPcdGet32 (PcdFlashFvL05Variable1Size) != FixedPcdGet32 (PcdFlashFvL05Variable2Size))
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#error "VARIABLE_SUBREGION_1 and 2 must be the same size. Please check your flash map."
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#endif
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#if (FixedPcdGet32 (PcdFlashFvL05Variable1Size) % EFI_PAGE_SIZE != 0)
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#error "FLASH_REGION_LENOVO_VARIABLE_REGION_SUBREGION_1_SIZE must be multiple of 4K. Please check your flash map."
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#endif
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#define EFI_L05_VARIABLE_FUNCTION (UINT16)(0x5300 + (UINT8)EFI_L05_VARIABLE_CALLBACK)
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#define EFI_L05_VARIABLE_EAX_MASK 0xFFFF00FF
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#define EFI_L05_VARIABLE_NO_ERROR 0x0000CE00
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#define LVAR_FUNCTION_NUMBER_WRONG 0x0000B100
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#define LVAR_BUFFER_TOO_SMALL 0x0000B200
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#define LVAR_NOT_FOUND 0x0000B300
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#define LVAR_REGIONE_LOCKED 0x0000B400
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#define LVAR_OTHER_ERROR 0x0000B600
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#define LVAR_VARIABLE_LOCKED 0x0000B700
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#define LVAR_PASSWORD_WRONG 0x0000B800
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//
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// According to Lenovo's requirements,
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// BIOS needs to reserve 8*4K memory buffer for LVAR tool and memory type should be EfiReservedMemoryType
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//
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#define LVAR_RESERVED_MEMORY_SIZE 0x00008000
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//
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// Function
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//
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EFI_STATUS
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L05SmmGetVariable (
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IN EFI_L05_VARIABLE_PROTOCOL *This,
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IN EFI_GUID *VariableGuidName,
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IN OUT UINT32 *DataSize,
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OUT VOID *Data
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);
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EFI_STATUS
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L05SmmSetVariable (
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IN EFI_L05_VARIABLE_PROTOCOL *This,
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IN EFI_GUID *VariableGuidName,
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IN UINT32 DataSize,
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IN VOID *Data
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);
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EFI_STATUS
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L05SmmLockVariable (
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IN EFI_L05_VARIABLE_PROTOCOL *This,
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IN EFI_GUID *VariableGuidName
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);
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EFI_STATUS
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L05SmmUnlockVariable (
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IN EFI_L05_VARIABLE_PROTOCOL *This,
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IN EFI_GUID *VariableGuidName,
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IN CHAR16 *Password
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);
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EFI_STATUS
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L05SmmVariableEntry (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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EFI_STATUS
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EFIAPI
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L05SmmVariableCallback (
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IN EFI_HANDLE DispatchHandle,
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IN CONST VOID *DispatchContext,
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IN OUT VOID *CommBuffer,
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IN OUT UINTN *CommBufferSize
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);
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EFI_STATUS
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SmmGetCpuSaveState (
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);
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EFI_STATUS
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ReadDwordRegister (
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IN EFI_SMM_SAVE_STATE_REGISTER RegisterNum,
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IN UINTN Width,
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IN UINT8 CpuNum,
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OUT VOID *RegisterData
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);
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EFI_STATUS
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WriteDwordRegister (
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IN EFI_SMM_SAVE_STATE_REGISTER RegisterNum,
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IN UINTN Width,
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IN UINT8 CpuNum,
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OUT VOID *RegisterData
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);
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#endif
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