mirror of
https://git.proxmox.com/git/mirror_edk2
synced 2025-11-03 22:54:50 +00:00
9d510e61fc
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: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
197 lines
7.6 KiB
C
197 lines
7.6 KiB
C
/** @file
|
|
|
|
The internal header file includes the common header files, defines
|
|
internal structure and functions used by FTW module.
|
|
|
|
Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved. <BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef __SMM_FTW_DXE_H__
|
|
#define __SMM_FTW_DXE_H__
|
|
|
|
#include <PiDxe.h>
|
|
|
|
#include <Protocol/SmmCommunication.h>
|
|
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/UefiDriverEntryPoint.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/UefiLib.h>
|
|
#include <Library/BaseLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
|
|
#include <Guid/EventGroup.h>
|
|
|
|
#include "FaultTolerantWriteSmmCommon.h"
|
|
|
|
/**
|
|
Get the size of the largest block that can be updated in a fault-tolerant manner.
|
|
|
|
@param[in] This Indicates a pointer to the calling context.
|
|
@param[out] BlockSize A pointer to a caller-allocated UINTN that is
|
|
updated to indicate the size of the largest block
|
|
that can be updated.
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
@retval EFI_ABORTED The function could not complete successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FtwGetMaxBlockSize (
|
|
IN EFI_FAULT_TOLERANT_WRITE_PROTOCOL *This,
|
|
OUT UINTN *BlockSize
|
|
);
|
|
|
|
|
|
/**
|
|
Allocates space for the protocol to maintain information about writes.
|
|
Since writes must be completed in a fault-tolerant manner and multiple
|
|
writes require more resources to be successful, this function
|
|
enables the protocol to ensure that enough space exists to track
|
|
information about upcoming writes.
|
|
|
|
@param[in] This A pointer to the calling context.
|
|
@param[in] CallerId The GUID identifying the write.
|
|
@param[in] PrivateDataSize The size of the caller's private data that must be
|
|
recorded for each write.
|
|
@param[in] NumberOfWrites The number of fault tolerant block writes that will
|
|
need to occur.
|
|
|
|
@retval EFI_SUCCESS The function completed successfully
|
|
@retval EFI_ABORTED The function could not complete successfully.
|
|
@retval EFI_ACCESS_DENIED Not all allocated writes have been completed. All
|
|
writes must be completed or aborted before another
|
|
fault tolerant write can occur.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FtwAllocate (
|
|
IN EFI_FAULT_TOLERANT_WRITE_PROTOCOL *This,
|
|
IN EFI_GUID *CallerId,
|
|
IN UINTN PrivateDataSize,
|
|
IN UINTN NumberOfWrites
|
|
);
|
|
|
|
|
|
/**
|
|
Starts a target block update. This records information about the write
|
|
in fault tolerant storage, and will complete the write in a recoverable
|
|
manner, ensuring at all times that either the original contents or
|
|
the modified contents are available.
|
|
|
|
@param[in] This The calling context.
|
|
@param[in] Lba The logical block address of the target block.
|
|
@param[in] Offset The offset within the target block to place the
|
|
data.
|
|
@param[in] Length The number of bytes to write to the target block.
|
|
@param[in] PrivateData A pointer to private data that the caller requires
|
|
to complete any pending writes in the event of a
|
|
fault.
|
|
@param[in] FvBlockHandle The handle of FVB protocol that provides services
|
|
for reading, writing, and erasing the target block.
|
|
@param[in] Buffer The data to write.
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
@retval EFI_ABORTED The function could not complete successfully.
|
|
@retval EFI_BAD_BUFFER_SIZE The write would span a block boundary, which is not
|
|
a valid action.
|
|
@retval EFI_ACCESS_DENIED No writes have been allocated.
|
|
@retval EFI_NOT_READY The last write has not been completed. Restart()
|
|
must be called to complete it.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FtwWrite (
|
|
IN EFI_FAULT_TOLERANT_WRITE_PROTOCOL *This,
|
|
IN EFI_LBA Lba,
|
|
IN UINTN Offset,
|
|
IN UINTN Length,
|
|
IN VOID *PrivateData,
|
|
IN EFI_HANDLE FvBlockHandle,
|
|
IN VOID *Buffer
|
|
);
|
|
|
|
|
|
/**
|
|
Restarts a previously interrupted write. The caller must provide the
|
|
block protocol needed to complete the interrupted write.
|
|
|
|
@param[in] This The calling context.
|
|
@param[in] FvBlockHandle The handle of FVB protocol that provides services.
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
@retval EFI_ABORTED The function could not complete successfully.
|
|
@retval EFI_ACCESS_DENIED No pending writes exist.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FtwRestart (
|
|
IN EFI_FAULT_TOLERANT_WRITE_PROTOCOL *This,
|
|
IN EFI_HANDLE FvBlockHandle
|
|
);
|
|
|
|
|
|
/**
|
|
Aborts all previously allocated writes.
|
|
|
|
@param This The calling context.
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
@retval EFI_ABORTED The function could not complete successfully.
|
|
@retval EFI_NOT_FOUND No allocated writes exist.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FtwAbort (
|
|
IN EFI_FAULT_TOLERANT_WRITE_PROTOCOL *This
|
|
);
|
|
|
|
|
|
/**
|
|
Starts a target block update. This function records information about the write
|
|
in fault-tolerant storage and completes the write in a recoverable
|
|
manner, ensuring at all times that either the original contents or
|
|
the modified contents are available.
|
|
|
|
@param[in] This Indicates a pointer to the calling context.
|
|
@param[out] CallerId The GUID identifying the last write.
|
|
@param[out] Lba The logical block address of the last write.
|
|
@param[out] Offset The offset within the block of the last write.
|
|
@param[out] Length The length of the last write.
|
|
@param[in, out] PrivateDataSize On input, the size of the PrivateData buffer. On
|
|
output, the size of the private data stored for
|
|
this write.
|
|
@param[out] PrivateData A pointer to a buffer. The function will copy
|
|
PrivateDataSize bytes from the private data stored
|
|
for this write.
|
|
@param[out] Complete A Boolean value with TRUE indicating that the write
|
|
was completed.
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
@retval EFI_ABORTED The function could not complete successfully.
|
|
@retval EFI_NOT_FOUND No allocated writes exist.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FtwGetLastWrite (
|
|
IN EFI_FAULT_TOLERANT_WRITE_PROTOCOL *This,
|
|
OUT EFI_GUID *CallerId,
|
|
OUT EFI_LBA *Lba,
|
|
OUT UINTN *Offset,
|
|
OUT UINTN *Length,
|
|
IN OUT UINTN *PrivateDataSize,
|
|
OUT VOID *PrivateData,
|
|
OUT BOOLEAN *Complete
|
|
);
|
|
|
|
#endif
|