Reclaim.c File Reference

#include "Variable.h"

Go to the source code of this file.

Functions
EFI_STATUS	GetLbaAndOffsetByAddress (IN EFI_PHYSICAL_ADDRESS Address, OUT EFI_LBA *Lba, OUT UINTN *Offset)
EFI_STATUS	FtwVariableSpace (IN EFI_PHYSICAL_ADDRESS VariableBase, IN VARIABLE_STORE_HEADER *VariableBuffer)

Detailed Description

Handles non-volatile variable store garbage collection, using FTW (Fault Tolerant Write) protocol.

Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Reclaim.c.

Function Documentation

FtwVariableSpace()

EFI_STATUS FtwVariableSpace	(	IN EFI_PHYSICAL_ADDRESS	VariableBase,
		IN VARIABLE_STORE_HEADER *	VariableBuffer
	)

Writes a buffer to variable storage space, in the working block.

This function writes a buffer to variable storage space into a firmware volume block device. The destination is specified by parameter VariableBase. Fault Tolerant Write protocol is used for writing.

Parameters

VariableBase	Base address of variable to write
VariableBuffer	Point to the variable data buffer.

Return values

EFI_SUCCESS	The function completed successfully.
EFI_NOT_FOUND	Fail to locate Fault Tolerant Write protocol.
EFI_ABORTED	The function could not complete successfully.

Definition at line 104 of file Reclaim.c.

GetLbaAndOffsetByAddress()

EFI_STATUS GetLbaAndOffsetByAddress	(	IN EFI_PHYSICAL_ADDRESS	Address,
		OUT EFI_LBA *	Lba,
		OUT UINTN *	Offset
	)

Gets LBA of block and offset by given address.

This function gets the Logical Block Address (LBA) of a firmware volume block containing the given address, and the offset of the address on the block.

Parameters

Address	Address which should be contained by returned FVB handle.
Lba	Pointer to LBA for output.
Offset	Pointer to offset for output.

Return values

EFI_SUCCESS	LBA and offset successfully returned.
EFI_NOT_FOUND	Fail to find FVB handle by address.
EFI_ABORTED	Fail to find valid LBA and offset.

Definition at line 30 of file Reclaim.c.