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172 lines
8.2 KiB
C
172 lines
8.2 KiB
C
/** @file
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Internal header file for S3 Boot Script Saver state driver.
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Copyright (c) 2006 - 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 _INTERNAL_S3_SAVE_STATE_H_
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#define _INTERNAL_S3_SAVE_STATE_H_
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#include <PiDxe.h>
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#include <Protocol/S3SaveState.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/S3BootScriptLib.h>
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#include <Library/SmbusLib.h>
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#include <Library/PcdLib.h>
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#include <IndustryStandard/SmBus.h>
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#include <Guid/EventGroup.h>
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/**
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Callback function executed when the EndOfDxe event group is signaled.
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@param[in] Event Event whose notification function is being invoked.
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@param[in] Context The pointer to the notification function's context, which
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is implementation-dependent.
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**/
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VOID
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EFIAPI
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AcpiS3ContextSaveOnEndOfDxe (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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/**
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Adds a record into S3 boot script table.
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This function is used to store a boot script record into a given boot
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script table. If the table specified by TableName is nonexistent in the
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system, a new table will automatically be created and then the script record
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will be added into the new table. This function is responsible for allocating
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necessary memory for the script.
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This function has a variable parameter list. The exact parameter list depends on
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the OpCode that is passed into the function. If an unsupported OpCode or illegal
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parameter list is passed in, this function returns EFI_INVALID_PARAMETER.
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If there are not enough resources available for storing more scripts, this function returns
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EFI_OUT_OF_RESOURCES.
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@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
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@param OpCode The operation code (opcode) number.
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@param ... Argument list that is specific to each opcode.
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@retval EFI_SUCCESS The operation succeeded. A record was added into the
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specified script table.
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@retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script is not supported.
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If the opcode is unknow or not supported because of the PCD
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Feature Flags.
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@retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.
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**/
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EFI_STATUS
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EFIAPI
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BootScriptWrite (
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IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
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IN UINTN OpCode,
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...
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);
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/**
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Insert a record into a specified Framework boot script table.
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This function is used to store an OpCode to be replayed as part of the S3 resume boot path. It is
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assumed this protocol has platform specific mechanism to store the OpCode set and replay them
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during the S3 resume.
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The opcode is inserted before or after the specified position in the boot script table. If Position is
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NULL then that position is after the last opcode in the table (BeforeOrAfter is FALSE) or before
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the first opcode in the table (BeforeOrAfter is TRUE). The position which is pointed to by
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Position upon return can be used for subsequent insertions.
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@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
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@param BeforeOrAfter Specifies whether the opcode is stored before (TRUE) or after (FALSE) the position
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in the boot script table specified by Position. If Position is NULL or points to
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NULL then the new opcode is inserted at the beginning of the table (if TRUE) or end
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of the table (if FALSE).
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@param Position On entry, specifies the position in the boot script table where the opcode will be
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inserted, either before or after, depending on BeforeOrAfter. On exit, specifies
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the position of the inserted opcode in the boot script table.
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@param OpCode The operation code (opcode) number.
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@param ... Argument list that is specific to each opcode.
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@retval EFI_SUCCESS The operation succeeded. A record was added into the
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specified script table.
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@retval EFI_INVALID_PARAMETER The Opcode is an invalid opcode value or the Position is not a valid position in the boot script table..
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@retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.
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**/
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EFI_STATUS
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EFIAPI
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BootScriptInsert (
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IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
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IN BOOLEAN BeforeOrAfter,
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IN OUT EFI_S3_BOOT_SCRIPT_POSITION *Position OPTIONAL,
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IN UINTN OpCode,
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...
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);
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/**
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Find a label within the boot script table and, if not present, optionally create it.
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If the label Label is already exists in the boot script table, then no new label is created, the
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position of the Label is returned in *Position and EFI_SUCCESS is returned.
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If the label Label does not already exist and CreateIfNotFound is TRUE, then it will be
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created before or after the specified position and EFI_SUCCESS is returned.
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If the label Label does not already exist and CreateIfNotFound is FALSE, then
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EFI_NOT_FOUND is returned.
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@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
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@param BeforeOrAfter Specifies whether the label is stored before (TRUE) or after (FALSE) the position in
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the boot script table specified by Position. If Position is NULL or points to
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NULL then the new label is inserted at the beginning of the table (if TRUE) or end of
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the table (if FALSE).
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@param CreateIfNotFound Specifies whether the label will be created if the label does not exists (TRUE) or not
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(FALSE).
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@param Position On entry, specifies the position in the boot script table where the label will be inserted,
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either before or after, depending on BeforeOrAfter. On exit, specifies the position
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of the inserted label in the boot script table.
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@param Label Points to the label which will be inserted in the boot script table.
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@retval EFI_SUCCESS The label already exists or was inserted.
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@retval EFI_INVALID_PARAMETER The Opcode is an invalid opcode value or the Position is not a valid position in the boot script table..
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**/
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EFI_STATUS
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EFIAPI
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BootScriptLabel (
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IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
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IN BOOLEAN BeforeOrAfter,
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IN BOOLEAN CreateIfNotFound,
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IN OUT EFI_S3_BOOT_SCRIPT_POSITION *Position OPTIONAL,
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IN CONST CHAR8 *Label
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);
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/**
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Compare two positions in the boot script table and return their relative position.
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This function compares two positions in the boot script table and returns their relative positions. If
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Position1 is before Position2, then -1 is returned. If Position1 is equal to Position2,
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then 0 is returned. If Position1 is after Position2, then 1 is returned.
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@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
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@param Position1 The positions in the boot script table to compare
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@param Position2 The positions in the boot script table to compare
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@param RelativePosition On return, points to the result of the comparison
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@retval EFI_SUCCESS The operation succeeded.
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@retval EFI_INVALID_PARAMETER The Position1 or Position2 is not a valid position in the boot script table.
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**/
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EFI_STATUS
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EFIAPI
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BootScriptCompare (
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IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
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IN EFI_S3_BOOT_SCRIPT_POSITION Position1,
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IN EFI_S3_BOOT_SCRIPT_POSITION Position2,
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OUT UINTN *RelativePosition
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);
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#endif //_INTERNAL_S3_SAVE_STATE_H_
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