mirror of https://github.com/acidanthera/audk.git
FatPkg/EnhancedFatDxe: Make the comments align with EDKIIcoding style
Cc: Ruiyu Ni <ruiyu.ni@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Dandan Bi <dandan.bi@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
This commit is contained in:
Dandan Bi
Ruiyu Ni
parent
6b7e4498e8
commit
cae7420b4b
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@ -1,4 +1,4 @@
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/*++
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/** @file
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Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available
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This program and the accompanying materials are licensed and made available
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@ -10,13 +10,7 @@ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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**/
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ComponentName.c
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Abstract:
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--*/
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#include "Fat.h"
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#include "Fat.h"
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@ -1,4 +1,5 @@
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/*++
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/** @file
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Global data in the FAT Filesystem driver.
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Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available
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This program and the accompanying materials are licensed and made available
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@ -9,18 +10,7 @@ http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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Module Name:
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Data.c
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Abstract:
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Global data in the FAT Filesystem driver
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Revision History
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--*/
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#include "Fat.h"
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#include "Fat.h"
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@ -1,4 +1,5 @@
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/*++
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/** @file
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Debug functions for fat driver
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Copyright (c) 2005, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2005, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available
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This program and the accompanying materials are licensed and made available
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@ -9,40 +10,21 @@ http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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Module Name:
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debug.c
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Abstract:
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Debug functions for fat driver
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Revision History
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--*/
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#include "Fat.h"
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#include "Fat.h"
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/**
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Dump all the FAT Entry of the FAT table in the volume.
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@param Volume - The volume whose FAT info will be dumped
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**/
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VOID
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VOID
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FatDumpFatTable (
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FatDumpFatTable (
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IN FAT_VOLUME *Volume
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IN FAT_VOLUME *Volume
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)
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)
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/*++
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Routine Description:
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Dump all the FAT Entry of the FAT table in the volume
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Arguments:
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Volume - The volume whose FAT info will be dumped
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Returns:
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None
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--*/
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{
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{
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UINTN EntryValue;
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UINTN EntryValue;
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UINTN MaxIndex;
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UINTN MaxIndex;
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@ -1,4 +1,5 @@
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/*++
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/** @file
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Function that deletes a file.
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Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available
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This program and the accompanying materials are licensed and made available
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@ -10,41 +11,25 @@ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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**/
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delete.c
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Abstract:
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Function that deletes a file
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Revision History
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--*/
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#include "Fat.h"
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#include "Fat.h"
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/**
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Deletes the file & Closes the file handle.
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@param FHand - Handle to the file to delete.
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@retval EFI_SUCCESS - Delete the file successfully.
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@retval EFI_WARN_DELETE_FAILURE - Fail to delete the file.
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**/
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EFI_STATUS
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EFI_STATUS
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EFIAPI
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EFIAPI
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FatDelete (
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FatDelete (
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IN EFI_FILE_PROTOCOL *FHand
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IN EFI_FILE_PROTOCOL *FHand
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)
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)
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/*++
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Routine Description:
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Deletes the file & Closes the file handle.
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Arguments:
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FHand - Handle to the file to delete.
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Returns:
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EFI_SUCCESS - Delete the file successfully.
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EFI_WARN_DELETE_FAILURE - Fail to delete the file.
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--*/
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{
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{
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FAT_IFILE *IFile;
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FAT_IFILE *IFile;
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FAT_OFILE *OFile;
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FAT_OFILE *OFile;
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@ -1,4 +1,5 @@
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/*++
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/** @file
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Functions for directory cache operation.
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Copyright (c) 2005, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2005, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available
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This program and the accompanying materials are licensed and made available
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@ -10,40 +11,22 @@ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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**/
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DirectoryCache.c
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Abstract:
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Functions for directory cache operation
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Revision History
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--*/
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#include "Fat.h"
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#include "Fat.h"
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/**
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Free the directory structure and release the memory.
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@param ODir - The directory to be freed.
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**/
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STATIC
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STATIC
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VOID
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VOID
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FatFreeODir (
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FatFreeODir (
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IN FAT_ODIR *ODir
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IN FAT_ODIR *ODir
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)
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)
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/*++
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Routine Description:
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Free the directory structure and release the memory.
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Arguments:
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ODir - The directory to be freed.
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Returns:
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None.
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--*/
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{
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{
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FAT_DIRENT *DirEnt;
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FAT_DIRENT *DirEnt;
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@ -63,26 +46,18 @@ Returns:
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FreePool (ODir);
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FreePool (ODir);
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}
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}
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/**
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Allocate the directory structure.
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@param OFile - The corresponding OFile.
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**/
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STATIC
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STATIC
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FAT_ODIR *
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FAT_ODIR *
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FatAllocateODir (
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FatAllocateODir (
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IN FAT_OFILE *OFile
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IN FAT_OFILE *OFile
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)
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)
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/*++
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Routine Description:
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Allocate the directory structure.
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Arguments:
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OFile - The corresponding OFile.
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Returns:
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None.
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--*/
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{
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{
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FAT_ODIR *ODir;
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FAT_ODIR *ODir;
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return ODir;
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return ODir;
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}
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}
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VOID
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/**
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FatDiscardODir (
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IN FAT_OFILE *OFile
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)
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/*++
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Routine Description:
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Discard the directory structure when an OFile will be freed.
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Discard the directory structure when an OFile will be freed.
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Volume will cache this directory if the OFile does not represent a deleted file.
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Volume will cache this directory if the OFile does not represent a deleted file.
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Arguments:
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@param OFile - The OFile whose directory structure is to be discarded.
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OFile - The OFile whose directory structure is to be discarded.
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**/
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VOID
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Returns:
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FatDiscardODir (
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IN FAT_OFILE *OFile
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None.
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)
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--*/
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{
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{
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FAT_ODIR *ODir;
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FAT_ODIR *ODir;
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FAT_VOLUME *Volume;
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FAT_VOLUME *Volume;
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@ -154,27 +121,20 @@ Returns:
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}
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}
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}
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}
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VOID
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/**
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FatRequestODir (
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IN FAT_OFILE *OFile
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)
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/*++
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Routine Description:
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Request the directory structure when an OFile is newly generated.
|
Request the directory structure when an OFile is newly generated.
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If the directory structure is cached by volume, then just return this directory;
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If the directory structure is cached by volume, then just return this directory;
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Otherwise, allocate a new one for OFile.
|
Otherwise, allocate a new one for OFile.
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|
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Arguments:
|
@param OFile - The OFile which requests directory structure.
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|
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OFile - The OFile which requests directory structure.
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**/
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|
VOID
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Returns:
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FatRequestODir (
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||||||
|
IN FAT_OFILE *OFile
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||||||
None.
|
)
|
||||||
|
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--*/
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{
|
{
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UINTN DirCacheTag;
|
UINTN DirCacheTag;
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FAT_VOLUME *Volume;
|
FAT_VOLUME *Volume;
|
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@ -208,25 +168,17 @@ Returns:
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OFile->ODir = ODir;
|
OFile->ODir = ODir;
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}
|
}
|
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|
/**
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||||||
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|
Clean up all the cached directory structures when the volume is going to be abandoned.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatCleanupODirCache (
|
FatCleanupODirCache (
|
||||||
IN FAT_VOLUME *Volume
|
IN FAT_VOLUME *Volume
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Clean up all the cached directory structures when the volume is going to be abandoned.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_ODIR *ODir;
|
FAT_ODIR *ODir;
|
||||||
while (Volume->DirCacheCount > 0) {
|
while (Volume->DirCacheCount > 0) {
|
||||||
|
|
|
||||||
File diff suppressed because it is too large
Load Diff
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Cache implementation for EFI FAT File system driver.
|
||||||
|
|
||||||
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -9,33 +10,11 @@ http://opensource.org/licenses/bsd-license.php
|
||||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
**/
|
||||||
Module Name:
|
|
||||||
|
|
||||||
DiskCache.c
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Cache implementation for EFI FAT File system driver
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
|
|
||||||
STATIC
|
/**
|
||||||
VOID
|
|
||||||
FatFlushDataCacheRange (
|
|
||||||
IN FAT_VOLUME *Volume,
|
|
||||||
IN IO_MODE IoMode,
|
|
||||||
IN UINTN StartPageNo,
|
|
||||||
IN UINTN EndPageNo,
|
|
||||||
OUT UINT8 *Buffer
|
|
||||||
)
|
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
This function is used by the Data Cache.
|
This function is used by the Data Cache.
|
||||||
|
|
||||||
|
|
@ -46,20 +25,23 @@ Routine Description:
|
||||||
is dirty, it means that the relative info directly readed from media is older than
|
is dirty, it means that the relative info directly readed from media is older than
|
||||||
than the info in the cache; So need to update the relative info in the Buffer.
|
than the info in the cache; So need to update the relative info in the Buffer.
|
||||||
|
|
||||||
Arguments:
|
@param Volume - FAT file system volume.
|
||||||
|
@param IoMode - This function is called by read command or write command
|
||||||
Volume - FAT file system volume.
|
@param StartPageNo - First PageNo to be checked in the cache.
|
||||||
IoMode - This function is called by read command or write command
|
@param EndPageNo - Last PageNo to be checked in the cache.
|
||||||
StartPageNo - First PageNo to be checked in the cache.
|
@param Buffer - The user buffer need to update. Only when doing the read command
|
||||||
EndPageNo - Last PageNo to be checked in the cache.
|
|
||||||
Buffer - The user buffer need to update. Only when doing the read command
|
|
||||||
and there is dirty cache in the cache range, this parameter will be used.
|
and there is dirty cache in the cache range, this parameter will be used.
|
||||||
|
|
||||||
Returns:
|
**/
|
||||||
|
STATIC
|
||||||
None.
|
VOID
|
||||||
|
FatFlushDataCacheRange (
|
||||||
--*/
|
IN FAT_VOLUME *Volume,
|
||||||
|
IN IO_MODE IoMode,
|
||||||
|
IN UINTN StartPageNo,
|
||||||
|
IN UINTN EndPageNo,
|
||||||
|
OUT UINT8 *Buffer
|
||||||
|
)
|
||||||
{
|
{
|
||||||
UINTN PageNo;
|
UINTN PageNo;
|
||||||
UINTN GroupNo;
|
UINTN GroupNo;
|
||||||
|
|
@ -103,6 +85,20 @@ Returns:
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Exchange the cache page with the image on the disk
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param DataType - Indicate the cache type.
|
||||||
|
@param IoMode - Indicate whether to load this page from disk or store this page to disk.
|
||||||
|
@param CacheTag - The Cache Tag for the current cache page.
|
||||||
|
@param Task point to task instance.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Cache page exchanged successfully.
|
||||||
|
@return Others - An error occurred when exchanging cache page.
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatExchangeCachePage (
|
FatExchangeCachePage (
|
||||||
|
|
@ -112,25 +108,6 @@ FatExchangeCachePage (
|
||||||
IN CACHE_TAG *CacheTag,
|
IN CACHE_TAG *CacheTag,
|
||||||
IN FAT_TASK *Task
|
IN FAT_TASK *Task
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Exchange the cache page with the image on the disk
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
DataType - Indicate the cache type.
|
|
||||||
IoMode - Indicate whether to load this page from disk or store this page to disk.
|
|
||||||
CacheTag - The Cache Tag for the current cache page.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Cache page exchanged successfully.
|
|
||||||
Others - An error occurred when exchanging cache page.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
UINTN GroupNo;
|
UINTN GroupNo;
|
||||||
|
|
@ -181,6 +158,19 @@ Returns:
|
||||||
return EFI_SUCCESS;
|
return EFI_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get one cache page by specified PageNo.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param CacheDataType - The cache type: CACHE_FAT or CACHE_DATA.
|
||||||
|
@param PageNo - PageNo to match with the cache.
|
||||||
|
@param CacheTag - The Cache Tag for the current cache page.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the cache page successfully.
|
||||||
|
@return other - An error occurred when accessing data.
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatGetCachePage (
|
FatGetCachePage (
|
||||||
|
|
@ -189,25 +179,6 @@ FatGetCachePage (
|
||||||
IN UINTN PageNo,
|
IN UINTN PageNo,
|
||||||
IN CACHE_TAG *CacheTag
|
IN CACHE_TAG *CacheTag
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get one cache page by specified PageNo.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
CacheDataType - The cache type: CACHE_FAT or CACHE_DATA.
|
|
||||||
PageNo - PageNo to match with the cache.
|
|
||||||
CacheTag - The Cache Tag for the current cache page.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the cache page successfully.
|
|
||||||
other - An error occurred when accessing data.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
UINTN OldPageNo;
|
UINTN OldPageNo;
|
||||||
|
|
@ -238,6 +209,23 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Read Length bytes from the position of Offset into Buffer, or
|
||||||
|
write Length bytes from Buffer into the position of Offset.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param CacheDataType - The type of cache: CACHE_DATA or CACHE_FAT.
|
||||||
|
@param IoMode - Indicate the type of disk access.
|
||||||
|
@param PageNo - The number of unaligned cache page.
|
||||||
|
@param Offset - The starting byte of cache page.
|
||||||
|
@param Length - The number of bytes that is read or written
|
||||||
|
@param Buffer - Buffer containing cache data.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - The data was accessed correctly.
|
||||||
|
@return Others - An error occurred when accessing unaligned cache page.
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatAccessUnalignedCachePage (
|
FatAccessUnalignedCachePage (
|
||||||
|
|
@ -249,28 +237,6 @@ FatAccessUnalignedCachePage (
|
||||||
IN UINTN Length,
|
IN UINTN Length,
|
||||||
IN OUT VOID *Buffer
|
IN OUT VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Read Length bytes from the position of Offset into Buffer, or
|
|
||||||
write Length bytes from Buffer into the position of Offset.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
CacheDataType - The type of cache: CACHE_DATA or CACHE_FAT.
|
|
||||||
IoMode - Indicate the type of disk access.
|
|
||||||
PageNo - The number of unaligned cache page.
|
|
||||||
Offset - The starting byte of cache page.
|
|
||||||
Length - The number of bytes that is read or written
|
|
||||||
Buffer - Buffer containing cache data.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - The data was accessed correctly.
|
|
||||||
Others - An error occurred when accessing unaligned cache page.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
VOID *Source;
|
VOID *Source;
|
||||||
|
|
@ -299,18 +265,7 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
EFI_STATUS
|
/**
|
||||||
FatAccessCache (
|
|
||||||
IN FAT_VOLUME *Volume,
|
|
||||||
IN CACHE_DATA_TYPE CacheDataType,
|
|
||||||
IN IO_MODE IoMode,
|
|
||||||
IN UINT64 Offset,
|
|
||||||
IN UINTN BufferSize,
|
|
||||||
IN OUT UINT8 *Buffer,
|
|
||||||
IN FAT_TASK *Task
|
|
||||||
)
|
|
||||||
/*++
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Read BufferSize bytes from the position of Offset into Buffer,
|
Read BufferSize bytes from the position of Offset into Buffer,
|
||||||
or write BufferSize bytes from Buffer into the position of Offset.
|
or write BufferSize bytes from Buffer into the position of Offset.
|
||||||
|
|
@ -326,22 +281,29 @@ Routine Description:
|
||||||
The UnderRun data and OverRun data will be accessed by the Data cache,
|
The UnderRun data and OverRun data will be accessed by the Data cache,
|
||||||
but the Aligned data will be accessed with disk directly.
|
but the Aligned data will be accessed with disk directly.
|
||||||
|
|
||||||
Arguments:
|
@param Volume - FAT file system volume.
|
||||||
|
@param CacheDataType - The type of cache: CACHE_DATA or CACHE_FAT.
|
||||||
|
@param IoMode - Indicate the type of disk access.
|
||||||
|
@param Offset - The starting byte offset to read from.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing cache data.
|
||||||
|
@param Task point to task instance.
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
@retval EFI_SUCCESS - The data was accessed correctly.
|
||||||
CacheDataType - The type of cache: CACHE_DATA or CACHE_FAT.
|
@retval EFI_MEDIA_CHANGED - The MediaId does not match the current device.
|
||||||
IoMode - Indicate the type of disk access.
|
@return Others - An error occurred when accessing cache.
|
||||||
Offset - The starting byte offset to read from.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing cache data.
|
|
||||||
|
|
||||||
Returns:
|
**/
|
||||||
|
EFI_STATUS
|
||||||
EFI_SUCCESS - The data was accessed correctly.
|
FatAccessCache (
|
||||||
EFI_MEDIA_CHANGED - The MediaId does not match the current device.
|
IN FAT_VOLUME *Volume,
|
||||||
Others - An error occurred when accessing cache.
|
IN CACHE_DATA_TYPE CacheDataType,
|
||||||
|
IN IO_MODE IoMode,
|
||||||
--*/
|
IN UINT64 Offset,
|
||||||
|
IN UINTN BufferSize,
|
||||||
|
IN OUT UINT8 *Buffer,
|
||||||
|
IN FAT_TASK *Task
|
||||||
|
)
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
UINTN PageSize;
|
UINTN PageSize;
|
||||||
|
|
@ -421,27 +383,22 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Flush all the dirty cache back, include the FAT cache and the Data cache.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param Task point to task instance.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Flush all the dirty cache back successfully
|
||||||
|
@return other - An error occurred when writing the data into the disk
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatVolumeFlushCache (
|
FatVolumeFlushCache (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN FAT_TASK *Task
|
IN FAT_TASK *Task
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Flush all the dirty cache back, include the FAT cache and the Data cache.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Flush all the dirty cache back successfully
|
|
||||||
other - An error occurred when writing the data into the disk
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
CACHE_DATA_TYPE CacheDataType;
|
CACHE_DATA_TYPE CacheDataType;
|
||||||
|
|
@ -480,26 +437,20 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Initialize the disk cache according to Volume's FatType.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - The disk cache is successfully initialized.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Not enough memory to allocate disk cache.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatInitializeDiskCache (
|
FatInitializeDiskCache (
|
||||||
IN FAT_VOLUME *Volume
|
IN FAT_VOLUME *Volume
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Initialize the disk cache according to Volume's FatType.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - The disk cache is successfully initialized.
|
|
||||||
EFI_OUT_OF_RESOURCES - Not enough memory to allocate disk cache.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
DISK_CACHE *DiskCache;
|
DISK_CACHE *DiskCache;
|
||||||
UINTN FatCacheGroupCount;
|
UINTN FatCacheGroupCount;
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Fat File System driver routines that support EFI driver model.
|
||||||
|
|
||||||
Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -9,16 +10,7 @@ http://opensource.org/licenses/bsd-license.php
|
||||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
**/
|
||||||
Module Name:
|
|
||||||
|
|
||||||
Fat.c
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Fat File System driver routines that support EFI driver model
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
|
|
||||||
|
|
@ -72,29 +64,23 @@ EFI_DRIVER_BINDING_PROTOCOL gFatDriverBinding = {
|
||||||
NULL
|
NULL
|
||||||
};
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Register Driver Binding protocol for this driver.
|
||||||
|
|
||||||
|
@param ImageHandle - Handle for the image of this driver.
|
||||||
|
@param SystemTable - Pointer to the EFI System Table.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Driver loaded.
|
||||||
|
@return other - Driver not loaded.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatEntryPoint (
|
FatEntryPoint (
|
||||||
IN EFI_HANDLE ImageHandle,
|
IN EFI_HANDLE ImageHandle,
|
||||||
IN EFI_SYSTEM_TABLE *SystemTable
|
IN EFI_SYSTEM_TABLE *SystemTable
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Register Driver Binding protocol for this driver.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
ImageHandle - Handle for the image of this driver.
|
|
||||||
SystemTable - Pointer to the EFI System Table.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Driver loaded.
|
|
||||||
other - Driver not loaded.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
|
|
||||||
|
|
@ -114,27 +100,21 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Unload function for this image. Uninstall DriverBinding protocol.
|
||||||
|
|
||||||
|
@param ImageHandle - Handle for the image of this driver.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Driver unloaded successfully.
|
||||||
|
@return other - Driver can not unloaded.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatUnload (
|
FatUnload (
|
||||||
IN EFI_HANDLE ImageHandle
|
IN EFI_HANDLE ImageHandle
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Unload function for this image. Uninstall DriverBinding protocol.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
ImageHandle - Handle for the image of this driver.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Driver unloaded successfully.
|
|
||||||
other - Driver can not unloaded.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
EFI_HANDLE *DeviceHandleBuffer;
|
EFI_HANDLE *DeviceHandleBuffer;
|
||||||
|
|
@ -224,6 +204,20 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Test to see if this driver can add a file system to ControllerHandle.
|
||||||
|
ControllerHandle must support both Disk IO and Block IO protocols.
|
||||||
|
|
||||||
|
@param This - Protocol instance pointer.
|
||||||
|
@param ControllerHandle - Handle of device to test.
|
||||||
|
@param RemainingDevicePath - Not used.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - This driver supports this device.
|
||||||
|
@retval EFI_ALREADY_STARTED - This driver is already running on this device.
|
||||||
|
@return other - This driver does not support this device.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatDriverBindingSupported (
|
FatDriverBindingSupported (
|
||||||
|
|
@ -231,26 +225,6 @@ FatDriverBindingSupported (
|
||||||
IN EFI_HANDLE ControllerHandle,
|
IN EFI_HANDLE ControllerHandle,
|
||||||
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Test to see if this driver can add a file system to ControllerHandle.
|
|
||||||
ControllerHandle must support both Disk IO and Block IO protocols.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
This - Protocol instance pointer.
|
|
||||||
ControllerHandle - Handle of device to test.
|
|
||||||
RemainingDevicePath - Not used.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - This driver supports this device.
|
|
||||||
EFI_ALREADY_STARTED - This driver is already running on this device.
|
|
||||||
other - This driver does not support this device.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
EFI_DISK_IO_PROTOCOL *DiskIo;
|
EFI_DISK_IO_PROTOCOL *DiskIo;
|
||||||
|
|
@ -295,6 +269,22 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Start this driver on ControllerHandle by opening a Block IO and Disk IO
|
||||||
|
protocol, reading Device Path. Add a Simple File System protocol to
|
||||||
|
ControllerHandle if the media contains a valid file system.
|
||||||
|
|
||||||
|
@param This - Protocol instance pointer.
|
||||||
|
@param ControllerHandle - Handle of device to bind driver to.
|
||||||
|
@param RemainingDevicePath - Not used.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - This driver is added to DeviceHandle.
|
||||||
|
@retval EFI_ALREADY_STARTED - This driver is already running on DeviceHandle.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Can not allocate the memory.
|
||||||
|
@return other - This driver does not support this device.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatDriverBindingStart (
|
FatDriverBindingStart (
|
||||||
|
|
@ -302,28 +292,6 @@ FatDriverBindingStart (
|
||||||
IN EFI_HANDLE ControllerHandle,
|
IN EFI_HANDLE ControllerHandle,
|
||||||
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Start this driver on ControllerHandle by opening a Block IO and Disk IO
|
|
||||||
protocol, reading Device Path. Add a Simple File System protocol to
|
|
||||||
ControllerHandle if the media contains a valid file system.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
This - Protocol instance pointer.
|
|
||||||
ControllerHandle - Handle of device to bind driver to.
|
|
||||||
RemainingDevicePath - Not used.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - This driver is added to DeviceHandle.
|
|
||||||
EFI_ALREADY_STARTED - This driver is already running on DeviceHandle.
|
|
||||||
EFI_OUT_OF_RESOURCES - Can not allocate the memory.
|
|
||||||
other - This driver does not support this device.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
EFI_BLOCK_IO_PROTOCOL *BlockIo;
|
EFI_BLOCK_IO_PROTOCOL *BlockIo;
|
||||||
|
|
@ -430,6 +398,19 @@ Exit:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Stop this driver on ControllerHandle.
|
||||||
|
|
||||||
|
@param This - Protocol instance pointer.
|
||||||
|
@param ControllerHandle - Handle of device to stop driver on.
|
||||||
|
@param NumberOfChildren - Not used.
|
||||||
|
@param ChildHandleBuffer - Not used.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - This driver is removed DeviceHandle.
|
||||||
|
@return other - This driver was not removed from this device.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatDriverBindingStop (
|
FatDriverBindingStop (
|
||||||
|
|
@ -438,22 +419,6 @@ FatDriverBindingStop (
|
||||||
IN UINTN NumberOfChildren,
|
IN UINTN NumberOfChildren,
|
||||||
IN EFI_HANDLE *ChildHandleBuffer
|
IN EFI_HANDLE *ChildHandleBuffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
Stop this driver on ControllerHandle.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
This - Protocol instance pointer.
|
|
||||||
ControllerHandle - Handle of device to stop driver on.
|
|
||||||
NumberOfChildren - Not used.
|
|
||||||
ChildHandleBuffer - Not used.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
EFI_SUCCESS - This driver is removed DeviceHandle.
|
|
||||||
other - This driver was not removed from this device.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileSystem;
|
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileSystem;
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Main header file for EFI FAT file system driver.
|
||||||
|
|
||||||
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -9,18 +10,7 @@ http://opensource.org/licenses/bsd-license.php
|
||||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
**/
|
||||||
Module Name:
|
|
||||||
|
|
||||||
Fat.h
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Main header file for EFI FAT file system driver
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#ifndef _FAT_H_
|
#ifndef _FAT_H_
|
||||||
#define _FAT_H_
|
#define _FAT_H_
|
||||||
|
|
@ -396,6 +386,26 @@ struct _FAT_VOLUME {
|
||||||
//
|
//
|
||||||
// Function Prototypes
|
// Function Prototypes
|
||||||
//
|
//
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Implements Open() of Simple File System Protocol.
|
||||||
|
|
||||||
|
@param FHand - File handle of the file serves as a starting reference point.
|
||||||
|
@param NewHandle - Handle of the file that is newly opened.
|
||||||
|
@param FileName - File name relative to FHand.
|
||||||
|
@param OpenMode - Open mode.
|
||||||
|
@param Attributes - Attributes to set if the file is created.
|
||||||
|
|
||||||
|
|
||||||
|
@retval EFI_INVALID_PARAMETER - The FileName is NULL or the file string is empty.
|
||||||
|
The OpenMode is not supported.
|
||||||
|
The Attributes is not the valid attributes.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Can not allocate the memory for file string.
|
||||||
|
@retval EFI_SUCCESS - Open the file successfully.
|
||||||
|
@return Others - The status of open file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatOpen (
|
FatOpen (
|
||||||
|
|
@ -405,31 +415,27 @@ FatOpen (
|
||||||
IN UINT64 OpenMode,
|
IN UINT64 OpenMode,
|
||||||
IN UINT64 Attributes
|
IN UINT64 Attributes
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Implements Open() of Simple File System Protocol.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - File handle of the file serves as a starting reference point.
|
|
||||||
NewHandle - Handle of the file that is newly opened.
|
|
||||||
FileName - File name relative to FHand.
|
|
||||||
OpenMode - Open mode.
|
|
||||||
Attributes - Attributes to set if the file is created.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_INVALID_PARAMETER - The FileName is NULL or the file string is empty.
|
|
||||||
The OpenMode is not supported.
|
|
||||||
The Attributes is not the valid attributes.
|
|
||||||
EFI_OUT_OF_RESOURCES - Can not allocate the memory for file string.
|
|
||||||
EFI_SUCCESS - Open the file successfully.
|
|
||||||
Others - The status of open file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Implements OpenEx() of Simple File System Protocol.
|
||||||
|
|
||||||
|
@param FHand - File handle of the file serves as a starting reference point.
|
||||||
|
@param NewHandle - Handle of the file that is newly opened.
|
||||||
|
@param FileName - File name relative to FHand.
|
||||||
|
@param OpenMode - Open mode.
|
||||||
|
@param Attributes - Attributes to set if the file is created.
|
||||||
|
@param Token - A pointer to the token associated with the transaction.
|
||||||
|
|
||||||
|
@retval EFI_INVALID_PARAMETER - The FileName is NULL or the file string is empty.
|
||||||
|
The OpenMode is not supported.
|
||||||
|
The Attributes is not the valid attributes.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Can not allocate the memory for file string.
|
||||||
|
@retval EFI_SUCCESS - Open the file successfully.
|
||||||
|
@return Others - The status of open file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatOpenEx (
|
FatOpenEx (
|
||||||
|
|
@ -440,58 +446,41 @@ FatOpenEx (
|
||||||
IN UINT64 Attributes,
|
IN UINT64 Attributes,
|
||||||
IN OUT EFI_FILE_IO_TOKEN *Token
|
IN OUT EFI_FILE_IO_TOKEN *Token
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Implements OpenEx() of Simple File System Protocol.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - File handle of the file serves as a starting reference point.
|
|
||||||
NewHandle - Handle of the file that is newly opened.
|
|
||||||
FileName - File name relative to FHand.
|
|
||||||
OpenMode - Open mode.
|
|
||||||
Attributes - Attributes to set if the file is created.
|
|
||||||
Token - A pointer to the token associated with the transaction.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_INVALID_PARAMETER - The FileName is NULL or the file string is empty.
|
|
||||||
The OpenMode is not supported.
|
|
||||||
The Attributes is not the valid attributes.
|
|
||||||
EFI_OUT_OF_RESOURCES - Can not allocate the memory for file string.
|
|
||||||
EFI_SUCCESS - Open the file successfully.
|
|
||||||
Others - The status of open file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the file's position of the file
|
||||||
|
|
||||||
|
@param FHand - The handle of file.
|
||||||
|
@param Position - The file's position of the file.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
@retval EFI_UNSUPPORTED - The open file is not a file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatGetPosition (
|
FatGetPosition (
|
||||||
IN EFI_FILE_PROTOCOL *FHand,
|
IN EFI_FILE_PROTOCOL *FHand,
|
||||||
OUT UINT64 *Position
|
OUT UINT64 *Position
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the file's position of the file
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of file.
|
|
||||||
Position - The file's position of the file.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
EFI_UNSUPPORTED - The open file is not a file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the some types info of the file into Buffer
|
||||||
|
|
||||||
|
@param FHand - The handle of file.
|
||||||
|
@param Type - The type of the info.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing volume info.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatGetInfo (
|
FatGetInfo (
|
||||||
|
|
@ -500,27 +489,21 @@ FatGetInfo (
|
||||||
IN OUT UINTN *BufferSize,
|
IN OUT UINTN *BufferSize,
|
||||||
OUT VOID *Buffer
|
OUT VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the some types info of the file into Buffer
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of file.
|
|
||||||
Type - The type of the info.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing volume info.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the some types info of the file into Buffer.
|
||||||
|
|
||||||
|
@param FHand - The handle of file.
|
||||||
|
@param Type - The type of the info.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing volume info.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatSetInfo (
|
FatSetInfo (
|
||||||
|
|
@ -529,151 +512,116 @@ FatSetInfo (
|
||||||
IN UINTN BufferSize,
|
IN UINTN BufferSize,
|
||||||
IN VOID *Buffer
|
IN VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the some types info of the file into Buffer
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of file.
|
|
||||||
Type - The type of the info.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing volume info.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Flushes all data associated with the file handle.
|
||||||
|
|
||||||
|
@param FHand - Handle to file to flush
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Flushed the file successfully
|
||||||
|
@retval EFI_WRITE_PROTECTED - The volume is read only
|
||||||
|
@retval EFI_ACCESS_DENIED - The volume is not read only
|
||||||
|
but the file is read only
|
||||||
|
@return Others - Flushing of the file is failed
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatFlush (
|
FatFlush (
|
||||||
IN EFI_FILE_PROTOCOL *FHand
|
IN EFI_FILE_PROTOCOL *FHand
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Flushes all data associated with the file handle
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - Handle to file to flush
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Flushed the file successfully
|
|
||||||
EFI_WRITE_PROTECTED - The volume is read only
|
|
||||||
EFI_ACCESS_DENIED - The volume is not read only
|
|
||||||
but the file is read only
|
|
||||||
Others - Flushing of the file is failed
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Flushes all data associated with the file handle.
|
||||||
|
|
||||||
|
@param FHand - Handle to file to flush.
|
||||||
|
@param Token - A pointer to the token associated with the transaction.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Flushed the file successfully.
|
||||||
|
@retval EFI_WRITE_PROTECTED - The volume is read only.
|
||||||
|
@retval EFI_ACCESS_DENIED - The file is read only.
|
||||||
|
@return Others - Flushing of the file failed.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatFlushEx (
|
FatFlushEx (
|
||||||
IN EFI_FILE_PROTOCOL *FHand,
|
IN EFI_FILE_PROTOCOL *FHand,
|
||||||
IN EFI_FILE_IO_TOKEN *Token
|
IN EFI_FILE_IO_TOKEN *Token
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Flushes all data associated with the file handle.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - Handle to file to flush.
|
|
||||||
Token - A pointer to the token associated with the transaction.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Flushed the file successfully.
|
|
||||||
EFI_WRITE_PROTECTED - The volume is read only.
|
|
||||||
EFI_ACCESS_DENIED - The file is read only.
|
|
||||||
Others - Flushing of the file failed.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Flushes & Closes the file handle.
|
||||||
|
|
||||||
|
@param FHand - Handle to the file to delete.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Closed the file successfully.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatClose (
|
FatClose (
|
||||||
IN EFI_FILE_PROTOCOL *FHand
|
IN EFI_FILE_PROTOCOL *FHand
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Flushes & Closes the file handle.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - Handle to the file to delete.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Closed the file successfully.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Deletes the file & Closes the file handle.
|
||||||
|
|
||||||
|
@param FHand - Handle to the file to delete.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Delete the file successfully.
|
||||||
|
@retval EFI_WARN_DELETE_FAILURE - Fail to delete the file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatDelete (
|
FatDelete (
|
||||||
IN EFI_FILE_PROTOCOL *FHand
|
IN EFI_FILE_PROTOCOL *FHand
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Deletes the file & Closes the file handle.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - Handle to the file to delete.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Delete the file successfully.
|
|
||||||
EFI_WARN_DELETE_FAILURE - Fail to delete the file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the file's position of the file.
|
||||||
|
|
||||||
|
@param FHand - The handle of file
|
||||||
|
@param Position - The file's position of the file
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the info successfully
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file
|
||||||
|
@retval EFI_UNSUPPORTED - Set a directory with a not-zero position
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatSetPosition (
|
FatSetPosition (
|
||||||
IN EFI_FILE_PROTOCOL *FHand,
|
IN EFI_FILE_PROTOCOL *FHand,
|
||||||
IN UINT64 Position
|
IN UINT64 Position
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the file's position of the file
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of file
|
|
||||||
Position - The file's position of the file
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the info successfully
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file
|
|
||||||
EFI_UNSUPPORTED - Set a directory with a not-zero position
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the file info.
|
||||||
|
|
||||||
|
@param FHand - The handle of the file.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing read data.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the file info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
||||||
|
@return other - An error occurred when operation the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatRead (
|
FatRead (
|
||||||
|
|
@ -681,55 +629,46 @@ FatRead (
|
||||||
IN OUT UINTN *BufferSize,
|
IN OUT UINTN *BufferSize,
|
||||||
OUT VOID *Buffer
|
OUT VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
;
|
||||||
|
|
||||||
Routine Description:
|
/**
|
||||||
|
|
||||||
Get the file info.
|
Get the file info.
|
||||||
|
|
||||||
Arguments:
|
@param FHand - The handle of the file.
|
||||||
|
@param Token - A pointer to the token associated with the transaction.
|
||||||
|
|
||||||
FHand - The handle of the file.
|
@retval EFI_SUCCESS - Get the file info successfully.
|
||||||
BufferSize - Size of Buffer.
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
Buffer - Buffer containing read data.
|
@retval EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
||||||
|
@return other - An error occurred when operation the disk.
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the file info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatReadEx (
|
FatReadEx (
|
||||||
IN EFI_FILE_PROTOCOL *FHand,
|
IN EFI_FILE_PROTOCOL *FHand,
|
||||||
IN OUT EFI_FILE_IO_TOKEN *Token
|
IN OUT EFI_FILE_IO_TOKEN *Token
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the file info.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of the file.
|
|
||||||
Token - A pointer to the token associated with the transaction.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the file info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the file info.
|
||||||
|
|
||||||
|
@param FHand - The handle of the file.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing write data.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the file info successfully.
|
||||||
|
@retval EFI_WRITE_PROTECTED - The disk is write protected.
|
||||||
|
@retval EFI_ACCESS_DENIED - The file is read-only.
|
||||||
|
@retval EFI_DEVICE_ERROR - The OFile is not valid.
|
||||||
|
@retval EFI_UNSUPPORTED - The open file is not a file.
|
||||||
|
- The writing file size is larger than 4GB.
|
||||||
|
@return other - An error occurred when operation the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatWrite (
|
FatWrite (
|
||||||
|
|
@ -737,56 +676,27 @@ FatWrite (
|
||||||
IN OUT UINTN *BufferSize,
|
IN OUT UINTN *BufferSize,
|
||||||
IN VOID *Buffer
|
IN VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the file info.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of the file.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing write data.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the file info successfully.
|
|
||||||
EFI_WRITE_PROTECTED - The disk is write protected.
|
|
||||||
EFI_ACCESS_DENIED - The file is read-only.
|
|
||||||
EFI_DEVICE_ERROR - The OFile is not valid.
|
|
||||||
EFI_UNSUPPORTED - The open file is not a file.
|
|
||||||
- The writing file size is larger than 4GB.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the file info.
|
||||||
|
|
||||||
|
@param FHand - The handle of the file.
|
||||||
|
@param Token - A pointer to the token associated with the transaction.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the file info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
||||||
|
@return other - An error occurred when operation the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatWriteEx (
|
FatWriteEx (
|
||||||
IN EFI_FILE_PROTOCOL *FHand,
|
IN EFI_FILE_PROTOCOL *FHand,
|
||||||
IN OUT EFI_FILE_IO_TOKEN *Token
|
IN OUT EFI_FILE_IO_TOKEN *Token
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the file info.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of the file.
|
|
||||||
Token - A pointer to the token associated with the transaction.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the file info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
;
|
;
|
||||||
|
|
||||||
//
|
//
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Definitions for on-disk FAT structures.
|
||||||
|
|
||||||
Copyright (c) 2005, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -10,17 +11,7 @@ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
|
||||||
Module Name:
|
**/
|
||||||
|
|
||||||
FatFileSystem.h
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Definitions for on-disk FAT structures
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#ifndef _FATFILESYSTEM_H_
|
#ifndef _FATFILESYSTEM_H_
|
||||||
#define _FATFILESYSTEM_H_
|
#define _FATFILESYSTEM_H_
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Functions for manipulating file names.
|
||||||
|
|
||||||
Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -9,45 +10,28 @@ http://opensource.org/licenses/bsd-license.php
|
||||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
**/
|
||||||
Module Name:
|
|
||||||
|
|
||||||
FileName.c
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Functions for manipulating file names
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
|
|
||||||
BOOLEAN
|
/**
|
||||||
FatCheckIs8Dot3Name (
|
|
||||||
IN CHAR16 *FileName,
|
|
||||||
OUT CHAR8 *File8Dot3Name
|
|
||||||
)
|
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
This function checks whether the input FileName is a valid 8.3 short name.
|
This function checks whether the input FileName is a valid 8.3 short name.
|
||||||
If the input FileName is a valid 8.3, the output is the 8.3 short name;
|
If the input FileName is a valid 8.3, the output is the 8.3 short name;
|
||||||
otherwise, the output is the base tag of 8.3 short name.
|
otherwise, the output is the base tag of 8.3 short name.
|
||||||
|
|
||||||
Arguments:
|
@param FileName - The input unicode filename.
|
||||||
|
@param File8Dot3Name - The output ascii 8.3 short name or base tag of 8.3 short name.
|
||||||
|
|
||||||
FileName - The input unicode filename.
|
@retval TRUE - The input unicode filename is a valid 8.3 short name.
|
||||||
File8Dot3Name - The output ascii 8.3 short name or base tag of 8.3 short name.
|
@retval FALSE - The input unicode filename is not a valid 8.3 short name.
|
||||||
|
|
||||||
Returns:
|
**/
|
||||||
|
BOOLEAN
|
||||||
TRUE - The input unicode filename is a valid 8.3 short name.
|
FatCheckIs8Dot3Name (
|
||||||
FALSE - The input unicode filename is not a valid 8.3 short name.
|
IN CHAR16 *FileName,
|
||||||
|
OUT CHAR8 *File8Dot3Name
|
||||||
--*/
|
)
|
||||||
{
|
{
|
||||||
BOOLEAN PossibleShortName;
|
BOOLEAN PossibleShortName;
|
||||||
CHAR16 *TempName;
|
CHAR16 *TempName;
|
||||||
|
|
@ -118,28 +102,22 @@ Returns:
|
||||||
return PossibleShortName;
|
return PossibleShortName;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Trim the trailing blanks of fat name.
|
||||||
|
|
||||||
|
@param Name - The Char8 string needs to be trimed.
|
||||||
|
@param Len - The length of the fat name.
|
||||||
|
|
||||||
|
The real length of the fat name after the trailing blanks are trimmed.
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
UINTN
|
UINTN
|
||||||
FatTrimAsciiTrailingBlanks (
|
FatTrimAsciiTrailingBlanks (
|
||||||
IN CHAR8 *Name,
|
IN CHAR8 *Name,
|
||||||
IN UINTN Len
|
IN UINTN Len
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Trim the trailing blanks of fat name.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Name - The Char8 string needs to be trimed.
|
|
||||||
Len - The length of the fat name.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
The real length of the fat name after the trailing blanks are trimmed.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
while (Len > 0 && Name[Len - 1] == ' ') {
|
while (Len > 0 && Name[Len - 1] == ' ') {
|
||||||
Len--;
|
Len--;
|
||||||
|
|
@ -148,6 +126,17 @@ Returns:
|
||||||
return Len;
|
return Len;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Convert the ascii fat name to the unicode string and strip trailing spaces,
|
||||||
|
and if necessary, convert the unicode string to lower case.
|
||||||
|
|
||||||
|
@param FatName - The Char8 string needs to be converted.
|
||||||
|
@param Len - The length of the fat name.
|
||||||
|
@param LowerCase - Indicate whether to convert the string to lower case.
|
||||||
|
@param Str - The result of the convertion.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatNameToStr (
|
FatNameToStr (
|
||||||
IN CHAR8 *FatName,
|
IN CHAR8 *FatName,
|
||||||
|
|
@ -155,25 +144,6 @@ FatNameToStr (
|
||||||
IN UINTN LowerCase,
|
IN UINTN LowerCase,
|
||||||
OUT CHAR16 *Str
|
OUT CHAR16 *Str
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Convert the ascii fat name to the unicode string and strip trailing spaces,
|
|
||||||
and if necessary, convert the unicode string to lower case.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FatName - The Char8 string needs to be converted.
|
|
||||||
Len - The length of the fat name.
|
|
||||||
LowerCase - Indicate whether to convert the string to lower case.
|
|
||||||
Str - The result of the convertion.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
//
|
//
|
||||||
// First, trim the trailing blanks
|
// First, trim the trailing blanks
|
||||||
|
|
@ -192,27 +162,19 @@ Returns:
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
This function generates 8Dot3 name from user specified name for a newly created file.
|
||||||
|
|
||||||
|
@param Parent - The parent directory.
|
||||||
|
@param DirEnt - The directory entry whose 8Dot3Name needs to be generated.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatCreate8Dot3Name (
|
FatCreate8Dot3Name (
|
||||||
IN FAT_OFILE *Parent,
|
IN FAT_OFILE *Parent,
|
||||||
IN FAT_DIRENT *DirEnt
|
IN FAT_DIRENT *DirEnt
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
This function generates 8Dot3 name from user specified name for a newly created file.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Parent - The parent directory.
|
|
||||||
DirEnt - The directory entry whose 8Dot3Name needs to be generated.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
CHAR8 *ShortName;
|
CHAR8 *ShortName;
|
||||||
CHAR8 *ShortNameChar;
|
CHAR8 *ShortNameChar;
|
||||||
|
|
@ -275,29 +237,23 @@ Returns:
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Check the string is lower case or upper case
|
||||||
|
and it is used by fatname to dir entry count
|
||||||
|
|
||||||
|
@param Str - The string which needs to be checked.
|
||||||
|
@param InCaseFlag - The input case flag which is returned when the string is lower case.
|
||||||
|
|
||||||
|
@retval OutCaseFlag - The output case flag.
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
UINT8
|
UINT8
|
||||||
FatCheckNameCase (
|
FatCheckNameCase (
|
||||||
IN CHAR16 *Str,
|
IN CHAR16 *Str,
|
||||||
IN UINT8 InCaseFlag
|
IN UINT8 InCaseFlag
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Check the string is lower case or upper case
|
|
||||||
and it is used by fatname to dir entry count
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Str - The string which needs to be checked.
|
|
||||||
InCaseFlag - The input case flag which is returned when the string is lower case.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
OutCaseFlag - The output case flag.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
CHAR16 Buffer[FAT_MAIN_NAME_LEN + 1 + FAT_EXTEND_NAME_LEN + 1];
|
CHAR16 Buffer[FAT_MAIN_NAME_LEN + 1 + FAT_EXTEND_NAME_LEN + 1];
|
||||||
UINT8 OutCaseFlag;
|
UINT8 OutCaseFlag;
|
||||||
|
|
@ -328,25 +284,17 @@ Returns:
|
||||||
return OutCaseFlag;
|
return OutCaseFlag;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the caseflag value for the directory entry.
|
||||||
|
|
||||||
|
@param DirEnt - The logical directory entry whose caseflag value is to be set.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatSetCaseFlag (
|
FatSetCaseFlag (
|
||||||
IN FAT_DIRENT *DirEnt
|
IN FAT_DIRENT *DirEnt
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the caseflag value for the directory entry.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
DirEnt - The logical directory entry whose caseflag value is to be set.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
CHAR16 LfnBuffer[FAT_MAIN_NAME_LEN + 1 + FAT_EXTEND_NAME_LEN + 1];
|
CHAR16 LfnBuffer[FAT_MAIN_NAME_LEN + 1 + FAT_EXTEND_NAME_LEN + 1];
|
||||||
CHAR16 *TempCharPtr;
|
CHAR16 *TempCharPtr;
|
||||||
|
|
@ -389,28 +337,21 @@ Returns:
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Convert the 8.3 ASCII fat name to cased Unicode string according to case flag.
|
||||||
|
|
||||||
|
@param DirEnt - The corresponding directory entry.
|
||||||
|
@param FileString - The output Unicode file name.
|
||||||
|
@param FileStringMax The max length of FileString.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatGetFileNameViaCaseFlag (
|
FatGetFileNameViaCaseFlag (
|
||||||
IN FAT_DIRENT *DirEnt,
|
IN FAT_DIRENT *DirEnt,
|
||||||
IN OUT CHAR16 *FileString,
|
IN OUT CHAR16 *FileString,
|
||||||
IN UINTN FileStringMax
|
IN UINTN FileStringMax
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Convert the 8.3 ASCII fat name to cased Unicode string according to case flag.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
DirEnt - The corresponding directory entry.
|
|
||||||
FileString - The output Unicode file name.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINT8 CaseFlag;
|
UINT8 CaseFlag;
|
||||||
CHAR8 *File8Dot3Name;
|
CHAR8 *File8Dot3Name;
|
||||||
|
|
@ -429,25 +370,19 @@ Returns:
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the Check sum for a short name.
|
||||||
|
|
||||||
|
@param ShortNameString - The short name for a file.
|
||||||
|
|
||||||
|
@retval Sum - UINT8 checksum.
|
||||||
|
|
||||||
|
**/
|
||||||
UINT8
|
UINT8
|
||||||
FatCheckSum (
|
FatCheckSum (
|
||||||
IN CHAR8 *ShortNameString
|
IN CHAR8 *ShortNameString
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the Check sum for a short name.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
ShortNameString - The short name for a file.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
Sum - UINT8 checksum.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN ShortNameLen;
|
UINTN ShortNameLen;
|
||||||
UINT8 Sum;
|
UINT8 Sum;
|
||||||
|
|
@ -459,29 +394,23 @@ Returns:
|
||||||
return Sum;
|
return Sum;
|
||||||
}
|
}
|
||||||
|
|
||||||
CHAR16 *
|
/**
|
||||||
FatGetNextNameComponent (
|
|
||||||
IN CHAR16 *Path,
|
|
||||||
OUT CHAR16 *Name
|
|
||||||
)
|
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Takes Path as input, returns the next name component
|
Takes Path as input, returns the next name component
|
||||||
in Name, and returns the position after Name (e.g., the
|
in Name, and returns the position after Name (e.g., the
|
||||||
start of the next name component)
|
start of the next name component)
|
||||||
|
|
||||||
Arguments:
|
@param Path - The path of one file.
|
||||||
|
@param Name - The next name component in Path.
|
||||||
Path - The path of one file.
|
|
||||||
Name - The next name component in Path.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
The position after Name in the Path
|
The position after Name in the Path
|
||||||
|
|
||||||
--*/
|
**/
|
||||||
|
CHAR16 *
|
||||||
|
FatGetNextNameComponent (
|
||||||
|
IN CHAR16 *Path,
|
||||||
|
OUT CHAR16 *Name
|
||||||
|
)
|
||||||
{
|
{
|
||||||
while (*Path != 0 && *Path != PATH_NAME_SEPARATOR) {
|
while (*Path != 0 && *Path != PATH_NAME_SEPARATOR) {
|
||||||
*Name++ = *Path++;
|
*Name++ = *Path++;
|
||||||
|
|
@ -497,31 +426,24 @@ Returns:
|
||||||
return Path;
|
return Path;
|
||||||
}
|
}
|
||||||
|
|
||||||
BOOLEAN
|
/**
|
||||||
FatFileNameIsValid (
|
|
||||||
IN CHAR16 *InputFileName,
|
|
||||||
OUT CHAR16 *OutputFileName
|
|
||||||
)
|
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Check whether the IFileName is valid long file name. If the IFileName is a valid
|
Check whether the IFileName is valid long file name. If the IFileName is a valid
|
||||||
long file name, then we trim the possible leading blanks and leading/trailing dots.
|
long file name, then we trim the possible leading blanks and leading/trailing dots.
|
||||||
the trimmed filename is stored in OutputFileName
|
the trimmed filename is stored in OutputFileName
|
||||||
|
|
||||||
Arguments:
|
@param InputFileName - The input file name.
|
||||||
|
@param OutputFileName - The output file name.
|
||||||
|
|
||||||
InputFileName - The input file name.
|
@retval TRUE - The InputFileName is a valid long file name.
|
||||||
OutputFileName - The output file name.
|
@retval FALSE - The InputFileName is not a valid long file name.
|
||||||
|
|
||||||
|
**/
|
||||||
Returns:
|
BOOLEAN
|
||||||
|
FatFileNameIsValid (
|
||||||
TRUE - The InputFileName is a valid long file name.
|
IN CHAR16 *InputFileName,
|
||||||
FALSE - The InputFileName is not a valid long file name.
|
OUT CHAR16 *OutputFileName
|
||||||
|
)
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
CHAR16 *TempNamePointer;
|
CHAR16 *TempNamePointer;
|
||||||
CHAR16 TempChar;
|
CHAR16 TempChar;
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Routines dealing with disk spaces and FAT table entries.
|
||||||
|
|
||||||
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -10,43 +11,28 @@ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
|
||||||
Module Name:
|
|
||||||
|
|
||||||
FileSpace.c
|
**/
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Routines dealing with disk spaces and FAT table entries
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the FAT entry of the volume, which is identified with the Index.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param Index - The index of the FAT entry of the volume.
|
||||||
|
|
||||||
|
@return The buffer of the FAT entry
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
VOID *
|
VOID *
|
||||||
FatLoadFatEntry (
|
FatLoadFatEntry (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN UINTN Index
|
IN UINTN Index
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the FAT entry of the volume, which is identified with the Index.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
Index - The index of the FAT entry of the volume.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
The buffer of the FAT entry
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN Pos;
|
UINTN Pos;
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
|
|
@ -89,28 +75,22 @@ Returns:
|
||||||
return &Volume->FatEntryBuffer;
|
return &Volume->FatEntryBuffer;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the FAT entry value of the volume, which is identified with the Index.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param Index - The index of the FAT entry of the volume.
|
||||||
|
|
||||||
|
@return The value of the FAT entry.
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
UINTN
|
UINTN
|
||||||
FatGetFatEntry (
|
FatGetFatEntry (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN UINTN Index
|
IN UINTN Index
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the FAT entry value of the volume, which is identified with the Index.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
Index - The index of the FAT entry of the volume.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
The value of the FAT entry.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
VOID *Pos;
|
VOID *Pos;
|
||||||
UINT8 *En12;
|
UINT8 *En12;
|
||||||
|
|
@ -147,6 +127,19 @@ Returns:
|
||||||
return Accum;
|
return Accum;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the FAT entry value of the volume, which is identified with the Index.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param Index - The index of the FAT entry of the volume.
|
||||||
|
@param Value - The new value of the FAT entry.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the new FAT entry value sucessfully.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - The FAT type of the volume is error.
|
||||||
|
@return other - An error occurred when operation the FAT entries.
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatSetFatEntry (
|
FatSetFatEntry (
|
||||||
|
|
@ -154,25 +147,6 @@ FatSetFatEntry (
|
||||||
IN UINTN Index,
|
IN UINTN Index,
|
||||||
IN UINTN Value
|
IN UINTN Value
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the FAT entry value of the volume, which is identified with the Index.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
Index - The index of the FAT entry of the volume.
|
|
||||||
Value - The new value of the FAT entry.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the new FAT entry value sucessfully.
|
|
||||||
EFI_VOLUME_CORRUPTED - The FAT type of the volume is error.
|
|
||||||
other - An error occurred when operation the FAT entries.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
VOID *Pos;
|
VOID *Pos;
|
||||||
UINT8 *En12;
|
UINT8 *En12;
|
||||||
|
|
@ -253,29 +227,23 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Free the cluster clain.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param Cluster - The first cluster of cluster chain.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - The cluster chain is freed successfully.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - There are errors in the file's clusters.
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatFreeClusters (
|
FatFreeClusters (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN UINTN Cluster
|
IN UINTN Cluster
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Free the cluster clain.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
Cluster - The first cluster of cluster chain.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - The cluster chain is freed successfully.
|
|
||||||
EFI_VOLUME_CORRUPTED - There are errors in the file's clusters.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN LastCluster;
|
UINTN LastCluster;
|
||||||
|
|
||||||
|
|
@ -294,26 +262,20 @@ Returns:
|
||||||
return EFI_SUCCESS;
|
return EFI_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Allocate a free cluster and return the cluster index.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
|
||||||
|
@return The index of the free cluster
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
UINTN
|
UINTN
|
||||||
FatAllocateCluster (
|
FatAllocateCluster (
|
||||||
IN FAT_VOLUME *Volume
|
IN FAT_VOLUME *Volume
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Allocate a free cluster and return the cluster index.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
The index of the free cluster
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN Cluster;
|
UINTN Cluster;
|
||||||
|
|
||||||
|
|
@ -354,28 +316,22 @@ Returns:
|
||||||
return Cluster;
|
return Cluster;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Count the number of clusters given a size.
|
||||||
|
|
||||||
|
@param Volume - The file system volume.
|
||||||
|
@param Size - The size in bytes.
|
||||||
|
|
||||||
|
@return The number of the clusters.
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
UINTN
|
UINTN
|
||||||
FatSizeToClusters (
|
FatSizeToClusters (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN UINTN Size
|
IN UINTN Size
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Count the number of clusters given a size
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - The file system volume.
|
|
||||||
Size - The size in bytes.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
The number of the clusters.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN Clusters;
|
UINTN Clusters;
|
||||||
|
|
||||||
|
|
@ -387,26 +343,20 @@ Returns:
|
||||||
return Clusters;
|
return Clusters;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Shrink the end of the open file base on the file size.
|
||||||
|
|
||||||
|
@param OFile - The open file.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Shrinked sucessfully.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - There are errors in the file's clusters.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatShrinkEof (
|
FatShrinkEof (
|
||||||
IN FAT_OFILE *OFile
|
IN FAT_OFILE *OFile
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Shrink the end of the open file base on the file size.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
OFile - The open file.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Shrinked sucessfully.
|
|
||||||
EFI_VOLUME_CORRUPTED - There are errors in the file's clusters.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_VOLUME *Volume;
|
FAT_VOLUME *Volume;
|
||||||
UINTN NewSize;
|
UINTN NewSize;
|
||||||
|
|
@ -465,30 +415,24 @@ Returns:
|
||||||
return FatFreeClusters (Volume, Cluster);
|
return FatFreeClusters (Volume, Cluster);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Grow the end of the open file base on the NewSizeInBytes.
|
||||||
|
|
||||||
|
@param OFile - The open file.
|
||||||
|
@param NewSizeInBytes - The new size in bytes of the open file.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - The file is grown sucessfully.
|
||||||
|
@retval EFI_UNSUPPORTED - The file size is larger than 4GB.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - There are errors in the files' clusters.
|
||||||
|
@retval EFI_VOLUME_FULL - The volume is full and can not grow the file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatGrowEof (
|
FatGrowEof (
|
||||||
IN FAT_OFILE *OFile,
|
IN FAT_OFILE *OFile,
|
||||||
IN UINT64 NewSizeInBytes
|
IN UINT64 NewSizeInBytes
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Grow the end of the open file base on the NewSizeInBytes.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
OFile - The open file.
|
|
||||||
NewSizeInBytes - The new size in bytes of the open file.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - The file is grown sucessfully.
|
|
||||||
EFI_UNSUPPORTED - The file size is larger than 4GB.
|
|
||||||
EFI_VOLUME_CORRUPTED - There are errors in the files' clusters.
|
|
||||||
EFI_VOLUME_FULL - The volume is full and can not grow the file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_VOLUME *Volume;
|
FAT_VOLUME *Volume;
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
|
|
@ -591,31 +535,25 @@ Done:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Seek OFile to requested position, and calculate the number of
|
||||||
|
consecutive clusters from the position in the file
|
||||||
|
|
||||||
|
@param OFile - The open file.
|
||||||
|
@param Position - The file's position which will be accessed.
|
||||||
|
@param PosLimit - The maximum length current reading/writing may access
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the info successfully.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - Cluster chain corrupt.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatOFilePosition (
|
FatOFilePosition (
|
||||||
IN FAT_OFILE *OFile,
|
IN FAT_OFILE *OFile,
|
||||||
IN UINTN Position,
|
IN UINTN Position,
|
||||||
IN UINTN PosLimit
|
IN UINTN PosLimit
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Seek OFile to requested position, and calculate the number of
|
|
||||||
consecutive clusters from the position in the file
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
OFile - The open file.
|
|
||||||
Position - The file's position which will be accessed.
|
|
||||||
PosLimit - The maximum length current reading/writing may access
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the info successfully.
|
|
||||||
EFI_VOLUME_CORRUPTED - Cluster chain corrupt.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_VOLUME *Volume;
|
FAT_VOLUME *Volume;
|
||||||
UINTN ClusterSize;
|
UINTN ClusterSize;
|
||||||
|
|
@ -691,28 +629,22 @@ Returns:
|
||||||
return EFI_SUCCESS;
|
return EFI_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the size of directory of the open file.
|
||||||
|
|
||||||
|
@param Volume - The File System Volume.
|
||||||
|
@param Cluster - The Starting cluster.
|
||||||
|
|
||||||
|
@return The physical size of the file starting at the input cluster, if there is error in the
|
||||||
|
cluster chain, the return value is 0.
|
||||||
|
|
||||||
|
**/
|
||||||
UINTN
|
UINTN
|
||||||
FatPhysicalDirSize (
|
FatPhysicalDirSize (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN UINTN Cluster
|
IN UINTN Cluster
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the size of directory of the open file
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - The File System Volume.
|
|
||||||
Cluster - The Starting cluster.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
The physical size of the file starting at the input cluster, if there is error in the
|
|
||||||
cluster chain, the return value is 0.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN Size;
|
UINTN Size;
|
||||||
ASSERT_VOLUME_LOCKED (Volume);
|
ASSERT_VOLUME_LOCKED (Volume);
|
||||||
|
|
@ -742,27 +674,21 @@ Returns:
|
||||||
return Size;
|
return Size;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the physical size of a file on the disk.
|
||||||
|
|
||||||
|
@param Volume - The file system volume.
|
||||||
|
@param RealSize - The real size of a file.
|
||||||
|
|
||||||
|
@return The physical size of a file on the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
UINT64
|
UINT64
|
||||||
FatPhysicalFileSize (
|
FatPhysicalFileSize (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN UINTN RealSize
|
IN UINTN RealSize
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the physical size of a file on the disk.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - The file system volume.
|
|
||||||
RealSize - The real size of a file.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
The physical size of a file on the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN ClusterSizeMask;
|
UINTN ClusterSizeMask;
|
||||||
UINT64 PhysicalSize;
|
UINT64 PhysicalSize;
|
||||||
|
|
@ -771,25 +697,17 @@ Returns:
|
||||||
return PhysicalSize;
|
return PhysicalSize;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Update the free cluster info of FatInfoSector of the volume.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatComputeFreeInfo (
|
FatComputeFreeInfo (
|
||||||
IN FAT_VOLUME *Volume
|
IN FAT_VOLUME *Volume
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Update the free cluster info of FatInfoSector of the volume.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN Index;
|
UINTN Index;
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Routines that check references and flush OFiles
|
||||||
|
|
||||||
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -10,45 +11,29 @@ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
|
||||||
Module Name:
|
**/
|
||||||
|
|
||||||
flush.c
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Routines that check references and flush OFiles
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Flushes all data associated with the file handle.
|
||||||
|
|
||||||
|
@param FHand - Handle to file to flush.
|
||||||
|
@param Token - A pointer to the token associated with the transaction.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Flushed the file successfully.
|
||||||
|
@retval EFI_WRITE_PROTECTED - The volume is read only.
|
||||||
|
@retval EFI_ACCESS_DENIED - The file is read only.
|
||||||
|
@return Others - Flushing of the file failed.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatFlushEx (
|
FatFlushEx (
|
||||||
IN EFI_FILE_PROTOCOL *FHand,
|
IN EFI_FILE_PROTOCOL *FHand,
|
||||||
IN EFI_FILE_IO_TOKEN *Token
|
IN EFI_FILE_IO_TOKEN *Token
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Flushes all data associated with the file handle.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - Handle to file to flush.
|
|
||||||
Token - A pointer to the token associated with the transaction.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Flushed the file successfully.
|
|
||||||
EFI_WRITE_PROTECTED - The volume is read only.
|
|
||||||
EFI_ACCESS_DENIED - The file is read only.
|
|
||||||
Others - Flushing of the file failed.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_IFILE *IFile;
|
FAT_IFILE *IFile;
|
||||||
FAT_OFILE *OFile;
|
FAT_OFILE *OFile;
|
||||||
|
|
@ -113,53 +98,41 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Flushes all data associated with the file handle.
|
||||||
|
|
||||||
|
@param FHand - Handle to file to flush.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Flushed the file successfully.
|
||||||
|
@retval EFI_WRITE_PROTECTED - The volume is read only.
|
||||||
|
@retval EFI_ACCESS_DENIED - The file is read only.
|
||||||
|
@return Others - Flushing of the file failed.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatFlush (
|
FatFlush (
|
||||||
IN EFI_FILE_PROTOCOL *FHand
|
IN EFI_FILE_PROTOCOL *FHand
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Flushes all data associated with the file handle.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - Handle to file to flush.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Flushed the file successfully.
|
|
||||||
EFI_WRITE_PROTECTED - The volume is read only.
|
|
||||||
EFI_ACCESS_DENIED - The file is read only.
|
|
||||||
Others - Flushing of the file failed.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
return FatFlushEx (FHand, NULL);
|
return FatFlushEx (FHand, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Flushes & Closes the file handle.
|
||||||
|
|
||||||
|
@param FHand - Handle to the file to delete.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Closed the file successfully.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatClose (
|
FatClose (
|
||||||
IN EFI_FILE_PROTOCOL *FHand
|
IN EFI_FILE_PROTOCOL *FHand
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Flushes & Closes the file handle.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - Handle to the file to delete.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Closed the file successfully.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_IFILE *IFile;
|
FAT_IFILE *IFile;
|
||||||
FAT_OFILE *OFile;
|
FAT_OFILE *OFile;
|
||||||
|
|
@ -191,25 +164,19 @@ Returns:
|
||||||
return EFI_SUCCESS;
|
return EFI_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Close the open file instance.
|
||||||
|
|
||||||
|
@param IFile - Open file instance.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Closed the file successfully.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatIFileClose (
|
FatIFileClose (
|
||||||
FAT_IFILE *IFile
|
FAT_IFILE *IFile
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Close the open file instance.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
IFile - Open file instance.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Closed the file successfully.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_OFILE *OFile;
|
FAT_OFILE *OFile;
|
||||||
FAT_VOLUME *Volume;
|
FAT_VOLUME *Volume;
|
||||||
|
|
@ -239,27 +206,21 @@ Returns:
|
||||||
return EFI_SUCCESS;
|
return EFI_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
EFI_STATUS
|
/**
|
||||||
FatOFileFlush (
|
|
||||||
IN FAT_OFILE *OFile
|
|
||||||
)
|
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Flush the data associated with an open file.
|
Flush the data associated with an open file.
|
||||||
In this implementation, only last Mod/Access time is updated.
|
In this implementation, only last Mod/Access time is updated.
|
||||||
|
|
||||||
Arguments:
|
@param OFile - The open file.
|
||||||
|
|
||||||
OFile - The open file.
|
@retval EFI_SUCCESS - The OFile is flushed successfully.
|
||||||
|
@return Others - An error occurred when flushing this OFile.
|
||||||
|
|
||||||
Returns:
|
**/
|
||||||
|
EFI_STATUS
|
||||||
EFI_SUCCESS - The OFile is flushed successfully.
|
FatOFileFlush (
|
||||||
Others - An error occurred when flushing this OFile.
|
IN FAT_OFILE *OFile
|
||||||
|
)
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
FAT_OFILE *Parent;
|
FAT_OFILE *Parent;
|
||||||
|
|
@ -318,28 +279,22 @@ Returns:
|
||||||
return EFI_SUCCESS;
|
return EFI_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
BOOLEAN
|
/**
|
||||||
FatCheckOFileRef (
|
|
||||||
IN FAT_OFILE *OFile
|
|
||||||
)
|
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Check the references of the OFile.
|
Check the references of the OFile.
|
||||||
If the OFile (that is checked) is no longer
|
If the OFile (that is checked) is no longer
|
||||||
referenced, then it is freed.
|
referenced, then it is freed.
|
||||||
|
|
||||||
Arguments:
|
@param OFile - The OFile to be checked.
|
||||||
|
|
||||||
OFile - The OFile to be checked.
|
@retval TRUE - The OFile is not referenced and freed.
|
||||||
|
@retval FALSE - The OFile is kept.
|
||||||
|
|
||||||
Returns:
|
**/
|
||||||
|
BOOLEAN
|
||||||
TRUE - The OFile is not referenced and freed.
|
FatCheckOFileRef (
|
||||||
FALSE - The OFile is kept.
|
IN FAT_OFILE *OFile
|
||||||
|
)
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
//
|
//
|
||||||
// If the OFile is on the check ref list, remove it
|
// If the OFile is on the check ref list, remove it
|
||||||
|
|
@ -366,29 +321,21 @@ Returns:
|
||||||
return TRUE;
|
return TRUE;
|
||||||
}
|
}
|
||||||
|
|
||||||
STATIC
|
/**
|
||||||
VOID
|
|
||||||
FatCheckVolumeRef (
|
|
||||||
IN FAT_VOLUME *Volume
|
|
||||||
)
|
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Check the references of all open files on the volume.
|
Check the references of all open files on the volume.
|
||||||
Any open file (that is checked) that is no longer
|
Any open file (that is checked) that is no longer
|
||||||
referenced, is freed - and it's parent open file
|
referenced, is freed - and it's parent open file
|
||||||
is then referenced checked.
|
is then referenced checked.
|
||||||
|
|
||||||
Arguments:
|
@param Volume - The volume to check the pending open file list.
|
||||||
|
|
||||||
Volume - The volume to check the pending open file list.
|
**/
|
||||||
|
STATIC
|
||||||
Returns:
|
VOID
|
||||||
|
FatCheckVolumeRef (
|
||||||
None
|
IN FAT_VOLUME *Volume
|
||||||
|
)
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_OFILE *OFile;
|
FAT_OFILE *OFile;
|
||||||
FAT_OFILE *Parent;
|
FAT_OFILE *Parent;
|
||||||
|
|
@ -414,6 +361,22 @@ Returns:
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set error status for a specific OFile, reference checking the volume.
|
||||||
|
If volume is already marked as invalid, and all resources are freed
|
||||||
|
after reference checking, the file system protocol is uninstalled and
|
||||||
|
the volume structure is freed.
|
||||||
|
|
||||||
|
@param Volume - the Volume that is to be reference checked and unlocked.
|
||||||
|
@param OFile - the OFile whose permanent error code is to be set.
|
||||||
|
@param EfiStatus - error code to be set.
|
||||||
|
@param Task point to task instance.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Clean up the volume successfully.
|
||||||
|
@return Others - Cleaning up of the volume is failed.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatCleanupVolume (
|
FatCleanupVolume (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
|
|
@ -421,27 +384,6 @@ FatCleanupVolume (
|
||||||
IN EFI_STATUS EfiStatus,
|
IN EFI_STATUS EfiStatus,
|
||||||
IN FAT_TASK *Task
|
IN FAT_TASK *Task
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set error status for a specific OFile, reference checking the volume.
|
|
||||||
If volume is already marked as invalid, and all resources are freed
|
|
||||||
after reference checking, the file system protocol is uninstalled and
|
|
||||||
the volume structure is freed.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - the Volume that is to be reference checked and unlocked.
|
|
||||||
OFile - the OFile whose permanent error code is to be set.
|
|
||||||
EfiStatus - error code to be set.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Clean up the volume successfully.
|
|
||||||
Others - Cleaning up of the volume is failed.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
//
|
//
|
||||||
|
|
@ -499,27 +441,19 @@ Returns:
|
||||||
return EfiStatus;
|
return EfiStatus;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the OFile and its child OFile with the error Status
|
||||||
|
|
||||||
|
@param OFile - The OFile whose permanent error code is to be set.
|
||||||
|
@param Status - Error code to be set.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatSetVolumeError (
|
FatSetVolumeError (
|
||||||
IN FAT_OFILE *OFile,
|
IN FAT_OFILE *OFile,
|
||||||
IN EFI_STATUS Status
|
IN EFI_STATUS Status
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the OFile and its child OFile with the error Status
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
OFile - The OFile whose permanent error code is to be set.
|
|
||||||
Status - Error code to be set.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
LIST_ENTRY *Link;
|
LIST_ENTRY *Link;
|
||||||
FAT_OFILE *ChildOFile;
|
FAT_OFILE *ChildOFile;
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Hash table operations.
|
||||||
|
|
||||||
Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -9,41 +10,24 @@ http://opensource.org/licenses/bsd-license.php
|
||||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
**/
|
||||||
Module Name:
|
|
||||||
|
|
||||||
Hash.c
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Hash table operations
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get hash value for long name.
|
||||||
|
|
||||||
|
@param LongNameString - The long name string to be hashed.
|
||||||
|
|
||||||
|
@return HashValue.
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
UINT32
|
UINT32
|
||||||
FatHashLongName (
|
FatHashLongName (
|
||||||
IN CHAR16 *LongNameString
|
IN CHAR16 *LongNameString
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get hash value for long name.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
LongNameString - The long name string to be hashed.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
HashValue.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINT32 HashValue;
|
UINT32 HashValue;
|
||||||
CHAR16 UpCasedLongFileName[EFI_PATH_STRING_LENGTH];
|
CHAR16 UpCasedLongFileName[EFI_PATH_STRING_LENGTH];
|
||||||
|
|
@ -58,53 +42,41 @@ Returns:
|
||||||
return (HashValue & HASH_TABLE_MASK);
|
return (HashValue & HASH_TABLE_MASK);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get hash value for short name.
|
||||||
|
|
||||||
|
@param ShortNameString - The short name string to be hashed.
|
||||||
|
|
||||||
|
@return HashValue
|
||||||
|
|
||||||
|
**/
|
||||||
STATIC
|
STATIC
|
||||||
UINT32
|
UINT32
|
||||||
FatHashShortName (
|
FatHashShortName (
|
||||||
IN CHAR8 *ShortNameString
|
IN CHAR8 *ShortNameString
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get hash value for short name.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
ShortNameString - The short name string to be hashed.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
HashValue
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINT32 HashValue;
|
UINT32 HashValue;
|
||||||
gBS->CalculateCrc32 (ShortNameString, FAT_NAME_LEN, &HashValue);
|
gBS->CalculateCrc32 (ShortNameString, FAT_NAME_LEN, &HashValue);
|
||||||
return (HashValue & HASH_TABLE_MASK);
|
return (HashValue & HASH_TABLE_MASK);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Search the long name hash table for the directory entry.
|
||||||
|
|
||||||
|
@param ODir - The directory to be searched.
|
||||||
|
@param LongNameString - The long name string to search.
|
||||||
|
|
||||||
|
@return The previous long name hash node of the directory entry.
|
||||||
|
|
||||||
|
**/
|
||||||
FAT_DIRENT **
|
FAT_DIRENT **
|
||||||
FatLongNameHashSearch (
|
FatLongNameHashSearch (
|
||||||
IN FAT_ODIR *ODir,
|
IN FAT_ODIR *ODir,
|
||||||
IN CHAR16 *LongNameString
|
IN CHAR16 *LongNameString
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Search the long name hash table for the directory entry.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
ODir - The directory to be searched.
|
|
||||||
LongNameString - The long name string to search.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
The previous long name hash node of the directory entry.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_DIRENT **PreviousHashNode;
|
FAT_DIRENT **PreviousHashNode;
|
||||||
for (PreviousHashNode = &ODir->LongNameHashTable[FatHashLongName (LongNameString)];
|
for (PreviousHashNode = &ODir->LongNameHashTable[FatHashLongName (LongNameString)];
|
||||||
|
|
@ -119,27 +91,21 @@ Returns:
|
||||||
return PreviousHashNode;
|
return PreviousHashNode;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Search the short name hash table for the directory entry.
|
||||||
|
|
||||||
|
@param ODir - The directory to be searched.
|
||||||
|
@param ShortNameString - The short name string to search.
|
||||||
|
|
||||||
|
@return The previous short name hash node of the directory entry.
|
||||||
|
|
||||||
|
**/
|
||||||
FAT_DIRENT **
|
FAT_DIRENT **
|
||||||
FatShortNameHashSearch (
|
FatShortNameHashSearch (
|
||||||
IN FAT_ODIR *ODir,
|
IN FAT_ODIR *ODir,
|
||||||
IN CHAR8 *ShortNameString
|
IN CHAR8 *ShortNameString
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Search the short name hash table for the directory entry.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
ODir - The directory to be searched.
|
|
||||||
ShortNameString - The short name string to search.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
The previous short name hash node of the directory entry.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_DIRENT **PreviousHashNode;
|
FAT_DIRENT **PreviousHashNode;
|
||||||
for (PreviousHashNode = &ODir->ShortNameHashTable[FatHashShortName (ShortNameString)];
|
for (PreviousHashNode = &ODir->ShortNameHashTable[FatHashShortName (ShortNameString)];
|
||||||
|
|
@ -154,27 +120,19 @@ Returns:
|
||||||
return PreviousHashNode;
|
return PreviousHashNode;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Insert directory entry to hash table.
|
||||||
|
|
||||||
|
@param ODir - The parent directory.
|
||||||
|
@param DirEnt - The directory entry node.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatInsertToHashTable (
|
FatInsertToHashTable (
|
||||||
IN FAT_ODIR *ODir,
|
IN FAT_ODIR *ODir,
|
||||||
IN FAT_DIRENT *DirEnt
|
IN FAT_DIRENT *DirEnt
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Insert directory entry to hash table.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
ODir - The parent directory.
|
|
||||||
DirEnt - The directory entry node.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_DIRENT **HashTable;
|
FAT_DIRENT **HashTable;
|
||||||
UINT32 HashTableIndex;
|
UINT32 HashTableIndex;
|
||||||
|
|
@ -195,27 +153,19 @@ Returns:
|
||||||
HashTable[HashTableIndex] = DirEnt;
|
HashTable[HashTableIndex] = DirEnt;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Delete directory entry from hash table.
|
||||||
|
|
||||||
|
@param ODir - The parent directory.
|
||||||
|
@param DirEnt - The directory entry node.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatDeleteFromHashTable (
|
FatDeleteFromHashTable (
|
||||||
IN FAT_ODIR *ODir,
|
IN FAT_ODIR *ODir,
|
||||||
IN FAT_DIRENT *DirEnt
|
IN FAT_DIRENT *DirEnt
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Delete directory entry from hash table.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
ODir - The parent directory.
|
|
||||||
DirEnt - The directory entry node.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
*FatShortNameHashSearch (ODir, DirEnt->Entry.FileName) = DirEnt->ShortNameForwardLink;
|
*FatShortNameHashSearch (ODir, DirEnt->Entry.FileName) = DirEnt->ShortNameForwardLink;
|
||||||
*FatLongNameHashSearch (ODir, DirEnt->FileString) = DirEnt->LongNameForwardLink;
|
*FatLongNameHashSearch (ODir, DirEnt->FileString) = DirEnt->LongNameForwardLink;
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Routines dealing with setting/getting file/volume info
|
||||||
|
|
||||||
Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -10,17 +11,8 @@ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
|
||||||
Module Name:
|
|
||||||
|
|
||||||
Info.c
|
**/
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Routines dealing with setting/getting file/volume info
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
|
|
||||||
|
|
@ -47,58 +39,46 @@ FatSetOrGetInfo (
|
||||||
IN OUT VOID *Buffer
|
IN OUT VOID *Buffer
|
||||||
);
|
);
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the open file's info into Buffer.
|
||||||
|
|
||||||
|
@param OFile - The open file.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing file info.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the file info successfully.
|
||||||
|
@retval EFI_BUFFER_TOO_SMALL - The buffer is too small.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatGetFileInfo (
|
FatGetFileInfo (
|
||||||
IN FAT_OFILE *OFile,
|
IN FAT_OFILE *OFile,
|
||||||
IN OUT UINTN *BufferSize,
|
IN OUT UINTN *BufferSize,
|
||||||
OUT VOID *Buffer
|
OUT VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the open file's info into Buffer.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
OFile - The open file.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing file info.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the file info successfully.
|
|
||||||
EFI_BUFFER_TOO_SMALL - The buffer is too small.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
return FatGetDirEntInfo (OFile->Volume, OFile->DirEnt, BufferSize, Buffer);
|
return FatGetDirEntInfo (OFile->Volume, OFile->DirEnt, BufferSize, Buffer);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the volume's info into Buffer.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing volume info.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the volume info successfully.
|
||||||
|
@retval EFI_BUFFER_TOO_SMALL - The buffer is too small.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatGetVolumeInfo (
|
FatGetVolumeInfo (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN OUT UINTN *BufferSize,
|
IN OUT UINTN *BufferSize,
|
||||||
OUT VOID *Buffer
|
OUT VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the volume's info into Buffer.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing volume info.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the volume info successfully.
|
|
||||||
EFI_BUFFER_TOO_SMALL - The buffer is too small.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN Size;
|
UINTN Size;
|
||||||
UINTN NameSize;
|
UINTN NameSize;
|
||||||
|
|
@ -141,30 +121,24 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the volume's label info into Buffer.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing volume's label info.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the volume's label info successfully.
|
||||||
|
@retval EFI_BUFFER_TOO_SMALL - The buffer is too small.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatGetVolumeLabelInfo (
|
FatGetVolumeLabelInfo (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN OUT UINTN *BufferSize,
|
IN OUT UINTN *BufferSize,
|
||||||
OUT VOID *Buffer
|
OUT VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the volume's label info into Buffer.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing volume's label info.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the volume's label info successfully.
|
|
||||||
EFI_BUFFER_TOO_SMALL - The buffer is too small.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN Size;
|
UINTN Size;
|
||||||
UINTN NameSize;
|
UINTN NameSize;
|
||||||
|
|
@ -187,32 +161,26 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the volume's info.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing the new volume info.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the volume info successfully.
|
||||||
|
@retval EFI_BAD_BUFFER_SIZE - The buffer size is error.
|
||||||
|
@retval EFI_WRITE_PROTECTED - The volume is read only.
|
||||||
|
@return other - An error occurred when operation the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatSetVolumeInfo (
|
FatSetVolumeInfo (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN UINTN BufferSize,
|
IN UINTN BufferSize,
|
||||||
IN VOID *Buffer
|
IN VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the volume's info.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing the new volume info.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the volume info successfully.
|
|
||||||
EFI_BAD_BUFFER_SIZE - The buffer size is error.
|
|
||||||
EFI_WRITE_PROTECTED - The volume is read only.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_FILE_SYSTEM_INFO *Info;
|
EFI_FILE_SYSTEM_INFO *Info;
|
||||||
|
|
||||||
|
|
@ -225,32 +193,26 @@ Returns:
|
||||||
return FatSetVolumeEntry (Volume, Info->VolumeLabel);
|
return FatSetVolumeEntry (Volume, Info->VolumeLabel);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the volume's label info.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing the new volume label info.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the volume label info successfully.
|
||||||
|
@retval EFI_WRITE_PROTECTED - The disk is write protected.
|
||||||
|
@retval EFI_BAD_BUFFER_SIZE - The buffer size is error.
|
||||||
|
@return other - An error occurred when operation the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatSetVolumeLabelInfo (
|
FatSetVolumeLabelInfo (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN UINTN BufferSize,
|
IN UINTN BufferSize,
|
||||||
IN VOID *Buffer
|
IN VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the volume's label info
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing the new volume label info.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the volume label info successfully.
|
|
||||||
EFI_WRITE_PROTECTED - The disk is write protected.
|
|
||||||
EFI_BAD_BUFFER_SIZE - The buffer size is error.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_FILE_SYSTEM_VOLUME_LABEL *Info;
|
EFI_FILE_SYSTEM_VOLUME_LABEL *Info;
|
||||||
|
|
||||||
|
|
@ -263,6 +225,30 @@ Returns:
|
||||||
return FatSetVolumeEntry (Volume, Info->VolumeLabel);
|
return FatSetVolumeEntry (Volume, Info->VolumeLabel);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the file info.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param IFile - The instance of the open file.
|
||||||
|
@param OFile - The open file.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing the new file info.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the file info successfully.
|
||||||
|
@retval EFI_ACCESS_DENIED - It is the root directory
|
||||||
|
or the directory attribute bit can not change
|
||||||
|
or try to change a directory size
|
||||||
|
or something else.
|
||||||
|
@retval EFI_UNSUPPORTED - The new file size is larger than 4GB.
|
||||||
|
@retval EFI_WRITE_PROTECTED - The disk is write protected.
|
||||||
|
@retval EFI_BAD_BUFFER_SIZE - The buffer size is error.
|
||||||
|
@retval EFI_INVALID_PARAMETER - The time info or attributes info is error.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Can not allocate new memory.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - The volume is corrupted.
|
||||||
|
@return other - An error occurred when operation the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatSetFileInfo (
|
FatSetFileInfo (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
|
|
@ -271,36 +257,6 @@ FatSetFileInfo (
|
||||||
IN UINTN BufferSize,
|
IN UINTN BufferSize,
|
||||||
IN VOID *Buffer
|
IN VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the file info.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
IFile - The instance of the open file.
|
|
||||||
OFile - The open file.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing the new file info.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the file info successfully.
|
|
||||||
EFI_ACCESS_DENIED - It is the root directory
|
|
||||||
or the directory attribute bit can not change
|
|
||||||
or try to change a directory size
|
|
||||||
or something else.
|
|
||||||
EFI_UNSUPPORTED - The new file size is larger than 4GB.
|
|
||||||
EFI_WRITE_PROTECTED - The disk is write protected.
|
|
||||||
EFI_BAD_BUFFER_SIZE - The buffer size is error.
|
|
||||||
EFI_INVALID_PARAMETER - The time info or attributes info is error.
|
|
||||||
EFI_OUT_OF_RESOURCES - Can not allocate new memory.
|
|
||||||
EFI_VOLUME_CORRUPTED - The volume is corrupted.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
EFI_FILE_INFO *NewInfo;
|
EFI_FILE_INFO *NewInfo;
|
||||||
|
|
@ -472,6 +428,20 @@ Returns:
|
||||||
return FatOFileFlush (OFile);
|
return FatOFileFlush (OFile);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set or Get the some types info of the file into Buffer.
|
||||||
|
|
||||||
|
@param IsSet - TRUE:The access is set, else is get
|
||||||
|
@param FHand - The handle of file
|
||||||
|
@param Type - The type of the info
|
||||||
|
@param BufferSize - Size of Buffer
|
||||||
|
@param Buffer - Buffer containing volume info
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the info successfully
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatSetOrGetInfo (
|
FatSetOrGetInfo (
|
||||||
IN BOOLEAN IsSet,
|
IN BOOLEAN IsSet,
|
||||||
|
|
@ -480,26 +450,6 @@ FatSetOrGetInfo (
|
||||||
IN OUT UINTN *BufferSize,
|
IN OUT UINTN *BufferSize,
|
||||||
IN OUT VOID *Buffer
|
IN OUT VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set or Get the some types info of the file into Buffer
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
IsSet - TRUE:The access is set, else is get
|
|
||||||
FHand - The handle of file
|
|
||||||
Type - The type of the info
|
|
||||||
BufferSize - Size of Buffer
|
|
||||||
Buffer - Buffer containing volume info
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the info successfully
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_IFILE *IFile;
|
FAT_IFILE *IFile;
|
||||||
FAT_OFILE *OFile;
|
FAT_OFILE *OFile;
|
||||||
|
|
@ -560,6 +510,19 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the some types info of the file into Buffer.
|
||||||
|
|
||||||
|
@param FHand - The handle of file.
|
||||||
|
@param Type - The type of the info.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing volume info.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatGetInfo (
|
FatGetInfo (
|
||||||
|
|
@ -568,29 +531,23 @@ FatGetInfo (
|
||||||
IN OUT UINTN *BufferSize,
|
IN OUT UINTN *BufferSize,
|
||||||
OUT VOID *Buffer
|
OUT VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the some types info of the file into Buffer.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of file.
|
|
||||||
Type - The type of the info.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing volume info.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
return FatSetOrGetInfo (FALSE, FHand, Type, BufferSize, Buffer);
|
return FatSetOrGetInfo (FALSE, FHand, Type, BufferSize, Buffer);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the some types info of the file into Buffer.
|
||||||
|
|
||||||
|
@param FHand - The handle of file.
|
||||||
|
@param Type - The type of the info.
|
||||||
|
@param BufferSize - Size of Buffer
|
||||||
|
@param Buffer - Buffer containing volume info.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatSetInfo (
|
FatSetInfo (
|
||||||
|
|
@ -599,25 +556,6 @@ FatSetInfo (
|
||||||
IN UINTN BufferSize,
|
IN UINTN BufferSize,
|
||||||
IN VOID *Buffer
|
IN VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the some types info of the file into Buffer.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of file.
|
|
||||||
Type - The type of the info.
|
|
||||||
BufferSize - Size of Buffer
|
|
||||||
Buffer - Buffer containing volume info.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
return FatSetOrGetInfo (TRUE, FHand, Type, &BufferSize, Buffer);
|
return FatSetOrGetInfo (TRUE, FHand, Type, &BufferSize, Buffer);
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Initialization routines.
|
||||||
|
|
||||||
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -9,19 +10,25 @@ http://opensource.org/licenses/bsd-license.php
|
||||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
**/
|
||||||
Module Name:
|
|
||||||
|
|
||||||
Init.c
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Initialization routines
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Allocates volume structure, detects FAT file system, installs protocol,
|
||||||
|
and initialize cache.
|
||||||
|
|
||||||
|
@param Handle - The handle of parent device.
|
||||||
|
@param DiskIo - The DiskIo of parent device.
|
||||||
|
@param DiskIo2 - The DiskIo2 of parent device.
|
||||||
|
@param BlockIo - The BlockIo of parent devicel
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Allocate a new volume successfully.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Can not allocate the memory.
|
||||||
|
@return Others - Allocating a new volume failed.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatAllocateVolume (
|
FatAllocateVolume (
|
||||||
IN EFI_HANDLE Handle,
|
IN EFI_HANDLE Handle,
|
||||||
|
|
@ -29,26 +36,6 @@ FatAllocateVolume (
|
||||||
IN EFI_DISK_IO2_PROTOCOL *DiskIo2,
|
IN EFI_DISK_IO2_PROTOCOL *DiskIo2,
|
||||||
IN EFI_BLOCK_IO_PROTOCOL *BlockIo
|
IN EFI_BLOCK_IO_PROTOCOL *BlockIo
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Allocates volume structure, detects FAT file system, installs protocol,
|
|
||||||
and initialize cache.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Handle - The handle of parent device.
|
|
||||||
DiskIo - The DiskIo of parent device.
|
|
||||||
BlockIo - The BlockIo of parent devicel
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Allocate a new volume successfully.
|
|
||||||
EFI_OUT_OF_RESOURCES - Can not allocate the memory.
|
|
||||||
Others - Allocating a new volume failed.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
FAT_VOLUME *Volume;
|
FAT_VOLUME *Volume;
|
||||||
|
|
@ -120,26 +107,20 @@ Done:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Called by FatDriverBindingStop(), Abandon the volume.
|
||||||
|
|
||||||
|
@param Volume - The volume to be abandoned.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Abandoned the volume successfully.
|
||||||
|
@return Others - Can not uninstall the protocol interfaces.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatAbandonVolume (
|
FatAbandonVolume (
|
||||||
IN FAT_VOLUME *Volume
|
IN FAT_VOLUME *Volume
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Called by FatDriverBindingStop(), Abandon the volume.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - The volume to be abandoned.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Abandoned the volume successfully.
|
|
||||||
Others - Can not uninstall the protocol interfaces.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
BOOLEAN LockedByMe;
|
BOOLEAN LockedByMe;
|
||||||
|
|
@ -202,27 +183,21 @@ Returns:
|
||||||
return EFI_SUCCESS;
|
return EFI_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Detects FAT file system on Disk and set relevant fields of Volume.
|
||||||
|
|
||||||
|
@param Volume - The volume structure.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - The Fat File System is detected successfully
|
||||||
|
@retval EFI_UNSUPPORTED - The volume is not FAT file system.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - The volume is corrupted.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatOpenDevice (
|
FatOpenDevice (
|
||||||
IN OUT FAT_VOLUME *Volume
|
IN OUT FAT_VOLUME *Volume
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Detects FAT file system on Disk and set relevant fields of Volume
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - The volume structure.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - The Fat File System is detected successfully
|
|
||||||
EFI_UNSUPPORTED - The volume is not FAT file system.
|
|
||||||
EFI_VOLUME_CORRUPTED - The volume is corrupted.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
UINT32 BlockSize;
|
UINT32 BlockSize;
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Miscellaneous functions.
|
||||||
|
|
||||||
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -10,40 +11,26 @@ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
|
||||||
Module Name:
|
**/
|
||||||
|
|
||||||
Misc.c
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Miscellaneous functions
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
UINT8 mMonthDays[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
|
UINT8 mMonthDays[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Create the task
|
||||||
|
|
||||||
|
@param IFile - The instance of the open file.
|
||||||
|
@param Token - A pointer to the token associated with the transaction.
|
||||||
|
|
||||||
|
@return FAT_TASK * - Return the task instance.
|
||||||
|
|
||||||
|
**/
|
||||||
FAT_TASK *
|
FAT_TASK *
|
||||||
FatCreateTask (
|
FatCreateTask (
|
||||||
FAT_IFILE *IFile,
|
FAT_IFILE *IFile,
|
||||||
EFI_FILE_IO_TOKEN *Token
|
EFI_FILE_IO_TOKEN *Token
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Create the task
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
IFile - The instance of the open file.
|
|
||||||
Token - A pointer to the token associated with the transaction.
|
|
||||||
|
|
||||||
Return:
|
|
||||||
FAT_TASK * - Return the task instance.
|
|
||||||
**/
|
|
||||||
{
|
{
|
||||||
FAT_TASK *Task;
|
FAT_TASK *Task;
|
||||||
|
|
||||||
|
|
@ -58,20 +45,17 @@ Return:
|
||||||
return Task;
|
return Task;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Destroy the task.
|
||||||
|
|
||||||
|
@param Task - The task to be destroyed.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatDestroyTask (
|
FatDestroyTask (
|
||||||
FAT_TASK *Task
|
FAT_TASK *Task
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Destroy the task
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Task - The task to be destroyed.
|
|
||||||
**/
|
|
||||||
{
|
{
|
||||||
LIST_ENTRY *Link;
|
LIST_ENTRY *Link;
|
||||||
FAT_SUBTASK *Subtask;
|
FAT_SUBTASK *Subtask;
|
||||||
|
|
@ -84,20 +68,17 @@ Arguments:
|
||||||
FreePool (Task);
|
FreePool (Task);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Wait all non-blocking requests complete.
|
||||||
|
|
||||||
|
@param IFile - The instance of the open file.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatWaitNonblockingTask (
|
FatWaitNonblockingTask (
|
||||||
FAT_IFILE *IFile
|
FAT_IFILE *IFile
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Wait all non-blocking requests complete.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
IFile - The instance of the open file.
|
|
||||||
**/
|
|
||||||
{
|
{
|
||||||
BOOLEAN TaskQueueEmpty;
|
BOOLEAN TaskQueueEmpty;
|
||||||
|
|
||||||
|
|
@ -108,25 +89,19 @@ Arguments:
|
||||||
} while (!TaskQueueEmpty);
|
} while (!TaskQueueEmpty);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Remove the subtask from subtask list.
|
||||||
|
|
||||||
|
@param Subtask - The subtask to be removed.
|
||||||
|
|
||||||
|
@return LIST_ENTRY * - The next node in the list.
|
||||||
|
|
||||||
|
**/
|
||||||
LIST_ENTRY *
|
LIST_ENTRY *
|
||||||
FatDestroySubtask (
|
FatDestroySubtask (
|
||||||
FAT_SUBTASK *Subtask
|
FAT_SUBTASK *Subtask
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Remove the subtask from subtask list.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Subtask - The subtask to be removed.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
LIST_ENTRY * - The next node in the list.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
LIST_ENTRY *Link;
|
LIST_ENTRY *Link;
|
||||||
|
|
||||||
|
|
@ -138,28 +113,22 @@ Returns:
|
||||||
return Link;
|
return Link;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Execute the task.
|
||||||
|
|
||||||
|
@param IFile - The instance of the open file.
|
||||||
|
@param Task - The task to be executed.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - The task was executed sucessfully.
|
||||||
|
@return other - An error occurred when executing the task.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatQueueTask (
|
FatQueueTask (
|
||||||
IN FAT_IFILE *IFile,
|
IN FAT_IFILE *IFile,
|
||||||
IN FAT_TASK *Task
|
IN FAT_TASK *Task
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Execute the task
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
IFile - The instance of the open file.
|
|
||||||
Task - The task to be executed.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - The task was executed sucessfully.
|
|
||||||
other - An error occurred when executing the task.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
LIST_ENTRY *Link;
|
LIST_ENTRY *Link;
|
||||||
|
|
@ -239,30 +208,24 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the volume as dirty or not.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param IoMode - The access mode.
|
||||||
|
@param DirtyValue - Set the volume as dirty or not.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the new FAT entry value sucessfully.
|
||||||
|
@return other - An error occurred when operation the FAT entries.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatAccessVolumeDirty (
|
FatAccessVolumeDirty (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
IN IO_MODE IoMode,
|
IN IO_MODE IoMode,
|
||||||
IN VOID *DirtyValue
|
IN VOID *DirtyValue
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the volume as dirty or not
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
IoMode - The access mode.
|
|
||||||
DirtyValue - Set the volume as dirty or not.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the new FAT entry value sucessfully.
|
|
||||||
other - An error occurred when operation the FAT entries.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN WriteCount;
|
UINTN WriteCount;
|
||||||
|
|
||||||
|
|
@ -271,7 +234,7 @@ Returns:
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
Invoke a notification event
|
Invoke a notification event.
|
||||||
|
|
||||||
@param Event Event whose notification function is being invoked.
|
@param Event Event whose notification function is being invoked.
|
||||||
@param Context The pointer to the notification function's context,
|
@param Context The pointer to the notification function's context,
|
||||||
|
|
@ -284,22 +247,6 @@ FatOnAccessComplete (
|
||||||
IN EFI_EVENT Event,
|
IN EFI_EVENT Event,
|
||||||
IN VOID *Context
|
IN VOID *Context
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Invoke a notification event
|
|
||||||
case #1. some subtasks are not completed when the FatOpenEx checks the Task->Subtasks
|
|
||||||
- sets Task->SubtaskCollected so callback to signal the event and free the task.
|
|
||||||
case #2. all subtasks are completed when the FatOpenEx checks the Task->Subtasks
|
|
||||||
- FatOpenEx signal the event and free the task.
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Event - Event whose notification function is being invoked.
|
|
||||||
Context - The pointer to the notification function's context,
|
|
||||||
which is implementation-dependent.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
FAT_SUBTASK *Subtask;
|
FAT_SUBTASK *Subtask;
|
||||||
|
|
@ -342,6 +289,22 @@ Arguments:
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
General disk access function.
|
||||||
|
|
||||||
|
@param Volume - FAT file system volume.
|
||||||
|
@param IoMode - The access mode (disk read/write or cache access).
|
||||||
|
@param Offset - The starting byte offset to read from.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing read data.
|
||||||
|
@param Task point to task instance.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - The operation is performed successfully.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - The accesss is
|
||||||
|
@return Others - The status of read/write the disk
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatDiskIo (
|
FatDiskIo (
|
||||||
IN FAT_VOLUME *Volume,
|
IN FAT_VOLUME *Volume,
|
||||||
|
|
@ -351,27 +314,6 @@ FatDiskIo (
|
||||||
IN OUT VOID *Buffer,
|
IN OUT VOID *Buffer,
|
||||||
IN FAT_TASK *Task
|
IN FAT_TASK *Task
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
General disk access function
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - FAT file system volume.
|
|
||||||
IoMode - The access mode (disk read/write or cache access).
|
|
||||||
Offset - The starting byte offset to read from.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing read data.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - The operation is performed successfully.
|
|
||||||
EFI_VOLUME_CORRUPTED - The accesss is
|
|
||||||
Others - The status of read/write the disk
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
EFI_DISK_IO_PROTOCOL *DiskIo;
|
EFI_DISK_IO_PROTOCOL *DiskIo;
|
||||||
|
|
@ -438,97 +380,61 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Lock the volume.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatAcquireLock (
|
FatAcquireLock (
|
||||||
VOID
|
VOID
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Lock the volume.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EfiAcquireLock (&FatFsLock);
|
EfiAcquireLock (&FatFsLock);
|
||||||
}
|
}
|
||||||
|
|
||||||
EFI_STATUS
|
/**
|
||||||
FatAcquireLockOrFail (
|
|
||||||
VOID
|
|
||||||
)
|
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Lock the volume.
|
Lock the volume.
|
||||||
If the lock is already in the acquired state, then EFI_ACCESS_DENIED is returned.
|
If the lock is already in the acquired state, then EFI_ACCESS_DENIED is returned.
|
||||||
Otherwise, EFI_SUCCESS is returned.
|
Otherwise, EFI_SUCCESS is returned.
|
||||||
|
|
||||||
Arguments:
|
@retval EFI_SUCCESS - The volume is locked.
|
||||||
|
@retval EFI_ACCESS_DENIED - The volume could not be locked because it is already locked.
|
||||||
|
|
||||||
None.
|
**/
|
||||||
|
EFI_STATUS
|
||||||
Returns:
|
FatAcquireLockOrFail (
|
||||||
|
VOID
|
||||||
EFI_SUCCESS - The volume is locked.
|
)
|
||||||
EFI_ACCESS_DENIED - The volume could not be locked because it is already locked.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
return EfiAcquireLockOrFail (&FatFsLock);
|
return EfiAcquireLockOrFail (&FatFsLock);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Unlock the volume.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatReleaseLock (
|
FatReleaseLock (
|
||||||
VOID
|
VOID
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Unlock the volume.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Null.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EfiReleaseLock (&FatFsLock);
|
EfiReleaseLock (&FatFsLock);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Free directory entry.
|
||||||
|
|
||||||
|
@param DirEnt - The directory entry to be freed.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatFreeDirEnt (
|
FatFreeDirEnt (
|
||||||
IN FAT_DIRENT *DirEnt
|
IN FAT_DIRENT *DirEnt
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Free directory entry.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
DirEnt - The directory entry to be freed.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
if (DirEnt->FileString != NULL) {
|
if (DirEnt->FileString != NULL) {
|
||||||
FreePool (DirEnt->FileString);
|
FreePool (DirEnt->FileString);
|
||||||
|
|
@ -537,25 +443,17 @@ Returns:
|
||||||
FreePool (DirEnt);
|
FreePool (DirEnt);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Free volume structure (including the contents of directory cache and disk cache).
|
||||||
|
|
||||||
|
@param Volume - The volume structure to be freed.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatFreeVolume (
|
FatFreeVolume (
|
||||||
IN FAT_VOLUME *Volume
|
IN FAT_VOLUME *Volume
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Free volume structure (including the contents of directory cache and disk cache).
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Volume - The volume structure to be freed.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
//
|
//
|
||||||
// Free disk cache
|
// Free disk cache
|
||||||
|
|
@ -570,27 +468,19 @@ Returns:
|
||||||
FreePool (Volume);
|
FreePool (Volume);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Translate EFI time to FAT time.
|
||||||
|
|
||||||
|
@param ETime - The time of EFI_TIME.
|
||||||
|
@param FTime - The time of FAT_DATE_TIME.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatEfiTimeToFatTime (
|
FatEfiTimeToFatTime (
|
||||||
IN EFI_TIME *ETime,
|
IN EFI_TIME *ETime,
|
||||||
OUT FAT_DATE_TIME *FTime
|
OUT FAT_DATE_TIME *FTime
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Translate EFI time to FAT time.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
ETime - The time of EFI_TIME.
|
|
||||||
FTime - The time of FAT_DATE_TIME.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
//
|
//
|
||||||
// ignores timezone info in source ETime
|
// ignores timezone info in source ETime
|
||||||
|
|
@ -610,27 +500,19 @@ Returns:
|
||||||
FTime->Time.DoubleSecond = (UINT16) (ETime->Second / 2);
|
FTime->Time.DoubleSecond = (UINT16) (ETime->Second / 2);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Translate Fat time to EFI time.
|
||||||
|
|
||||||
|
@param FTime - The time of FAT_DATE_TIME.
|
||||||
|
@param ETime - The time of EFI_TIME..
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatFatTimeToEfiTime (
|
FatFatTimeToEfiTime (
|
||||||
IN FAT_DATE_TIME *FTime,
|
IN FAT_DATE_TIME *FTime,
|
||||||
OUT EFI_TIME *ETime
|
OUT EFI_TIME *ETime
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Translate Fat time to EFI time.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FTime - The time of FAT_DATE_TIME.
|
|
||||||
ETime - The time of EFI_TIME.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
ETime->Year = (UINT16) (FTime->Date.Year + 1980);
|
ETime->Year = (UINT16) (FTime->Date.Year + 1980);
|
||||||
ETime->Month = (UINT8) FTime->Date.Month;
|
ETime->Month = (UINT8) FTime->Date.Month;
|
||||||
|
|
@ -643,25 +525,17 @@ Returns:
|
||||||
ETime->Daylight = 0;
|
ETime->Daylight = 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get Current FAT time.
|
||||||
|
|
||||||
|
@param FatNow - Current FAT time.
|
||||||
|
|
||||||
|
**/
|
||||||
VOID
|
VOID
|
||||||
FatGetCurrentFatTime (
|
FatGetCurrentFatTime (
|
||||||
OUT FAT_DATE_TIME *FatNow
|
OUT FAT_DATE_TIME *FatNow
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get Current FAT time.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FatNow - Current FAT time.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
None.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
EFI_TIME Now;
|
EFI_TIME Now;
|
||||||
|
|
@ -678,26 +552,20 @@ Returns:
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Check whether a time is valid.
|
||||||
|
|
||||||
|
@param Time - The time of EFI_TIME.
|
||||||
|
|
||||||
|
@retval TRUE - The time is valid.
|
||||||
|
@retval FALSE - The time is not valid.
|
||||||
|
|
||||||
|
**/
|
||||||
BOOLEAN
|
BOOLEAN
|
||||||
FatIsValidTime (
|
FatIsValidTime (
|
||||||
IN EFI_TIME *Time
|
IN EFI_TIME *Time
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Check whether a time is valid.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
Time - The time of EFI_TIME.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
TRUE - The time is valid.
|
|
||||||
FALSE - The time is not valid.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
UINTN Day;
|
UINTN Day;
|
||||||
BOOLEAN ValidTime;
|
BOOLEAN ValidTime;
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Routines dealing with file open.
|
||||||
|
|
||||||
Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -9,44 +10,27 @@ http://opensource.org/licenses/bsd-license.php
|
||||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
**/
|
||||||
Module Name:
|
|
||||||
|
|
||||||
open.c
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Routines dealing with file open
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Create an Open instance for the existing OFile.
|
||||||
|
The IFile of the newly opened file is passed out.
|
||||||
|
|
||||||
|
@param OFile - The file that serves as a starting reference point.
|
||||||
|
@param PtrIFile - The newly generated IFile instance.
|
||||||
|
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Can not allocate the memory for the IFile
|
||||||
|
@retval EFI_SUCCESS - Create the new IFile for the OFile successfully
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatAllocateIFile (
|
FatAllocateIFile (
|
||||||
IN FAT_OFILE *OFile,
|
IN FAT_OFILE *OFile,
|
||||||
OUT FAT_IFILE **PtrIFile
|
OUT FAT_IFILE **PtrIFile
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Create an Open instance for the existing OFile.
|
|
||||||
The IFile of the newly opened file is passed out.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
OFile - The file that serves as a starting reference point.
|
|
||||||
PtrIFile - The newly generated IFile instance.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_OUT_OF_RESOURCES - Can not allocate the memory for the IFile
|
|
||||||
EFI_SUCCESS - Create the new IFile for the OFile successfully
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_IFILE *IFile;
|
FAT_IFILE *IFile;
|
||||||
|
|
||||||
|
|
@ -81,6 +65,28 @@ Returns:
|
||||||
return EFI_SUCCESS;
|
return EFI_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Open a file for a file name relative to an existing OFile.
|
||||||
|
The IFile of the newly opened file is passed out.
|
||||||
|
|
||||||
|
@param OFile - The file that serves as a starting reference point.
|
||||||
|
@param NewIFile - The newly generated IFile instance.
|
||||||
|
@param FileName - The file name relative to the OFile.
|
||||||
|
@param OpenMode - Open mode.
|
||||||
|
@param Attributes - Attributes to set if the file is created.
|
||||||
|
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Open the file successfully.
|
||||||
|
@retval EFI_INVALID_PARAMETER - The open mode is conflict with the attributes
|
||||||
|
or the file name is not valid.
|
||||||
|
@retval EFI_NOT_FOUND - Conficts between dir intention and attribute.
|
||||||
|
@retval EFI_WRITE_PROTECTED - Can't open for write if the volume is read only.
|
||||||
|
@retval EFI_ACCESS_DENIED - If the file's attribute is read only, and the
|
||||||
|
open is for read-write fail it.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Can not allocate the memory.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatOFileOpen (
|
FatOFileOpen (
|
||||||
IN FAT_OFILE *OFile,
|
IN FAT_OFILE *OFile,
|
||||||
|
|
@ -89,33 +95,6 @@ FatOFileOpen (
|
||||||
IN UINT64 OpenMode,
|
IN UINT64 OpenMode,
|
||||||
IN UINT8 Attributes
|
IN UINT8 Attributes
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Open a file for a file name relative to an existing OFile.
|
|
||||||
The IFile of the newly opened file is passed out.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
OFile - The file that serves as a starting reference point.
|
|
||||||
NewIFile - The newly generated IFile instance.
|
|
||||||
FileName - The file name relative to the OFile.
|
|
||||||
OpenMode - Open mode.
|
|
||||||
Attributes - Attributes to set if the file is created.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Open the file successfully.
|
|
||||||
EFI_INVALID_PARAMETER - The open mode is conflict with the attributes
|
|
||||||
or the file name is not valid.
|
|
||||||
EFI_NOT_FOUND - Conficts between dir intention and attribute.
|
|
||||||
EFI_WRITE_PROTECTED - Can't open for write if the volume is read only.
|
|
||||||
EFI_ACCESS_DENIED - If the file's attribute is read only, and the
|
|
||||||
open is for read-write fail it.
|
|
||||||
EFI_OUT_OF_RESOURCES - Can not allocate the memory.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_VOLUME *Volume;
|
FAT_VOLUME *Volume;
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
|
|
@ -199,6 +178,25 @@ Returns:
|
||||||
return FatOFileFlush (OFile);
|
return FatOFileFlush (OFile);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Implements OpenEx() of Simple File System Protocol.
|
||||||
|
|
||||||
|
@param FHand - File handle of the file serves as a starting reference point.
|
||||||
|
@param NewHandle - Handle of the file that is newly opened.
|
||||||
|
@param FileName - File name relative to FHand.
|
||||||
|
@param OpenMode - Open mode.
|
||||||
|
@param Attributes - Attributes to set if the file is created.
|
||||||
|
@param Token - A pointer to the token associated with the transaction.:
|
||||||
|
|
||||||
|
@retval EFI_INVALID_PARAMETER - The FileName is NULL or the file string is empty.
|
||||||
|
The OpenMode is not supported.
|
||||||
|
The Attributes is not the valid attributes.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Can not allocate the memory for file string.
|
||||||
|
@retval EFI_SUCCESS - Open the file successfully.
|
||||||
|
@return Others - The status of open file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatOpenEx (
|
FatOpenEx (
|
||||||
|
|
@ -209,30 +207,6 @@ FatOpenEx (
|
||||||
IN UINT64 Attributes,
|
IN UINT64 Attributes,
|
||||||
IN OUT EFI_FILE_IO_TOKEN *Token
|
IN OUT EFI_FILE_IO_TOKEN *Token
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Implements OpenEx() of Simple File System Protocol.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - File handle of the file serves as a starting reference point.
|
|
||||||
NewHandle - Handle of the file that is newly opened.
|
|
||||||
FileName - File name relative to FHand.
|
|
||||||
OpenMode - Open mode.
|
|
||||||
Attributes - Attributes to set if the file is created.
|
|
||||||
Token - A pointer to the token associated with the transaction.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_INVALID_PARAMETER - The FileName is NULL or the file string is empty.
|
|
||||||
The OpenMode is not supported.
|
|
||||||
The Attributes is not the valid attributes.
|
|
||||||
EFI_OUT_OF_RESOURCES - Can not allocate the memory for file string.
|
|
||||||
EFI_SUCCESS - Open the file successfully.
|
|
||||||
Others - The status of open file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_IFILE *IFile;
|
FAT_IFILE *IFile;
|
||||||
FAT_IFILE *NewIFile;
|
FAT_IFILE *NewIFile;
|
||||||
|
|
@ -319,6 +293,25 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Implements Open() of Simple File System Protocol.
|
||||||
|
|
||||||
|
|
||||||
|
@param FHand - File handle of the file serves as a starting reference point.
|
||||||
|
@param NewHandle - Handle of the file that is newly opened.
|
||||||
|
@param FileName - File name relative to FHand.
|
||||||
|
@param OpenMode - Open mode.
|
||||||
|
@param Attributes - Attributes to set if the file is created.
|
||||||
|
|
||||||
|
@retval EFI_INVALID_PARAMETER - The FileName is NULL or the file string is empty.
|
||||||
|
The OpenMode is not supported.
|
||||||
|
The Attributes is not the valid attributes.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Can not allocate the memory for file string.
|
||||||
|
@retval EFI_SUCCESS - Open the file successfully.
|
||||||
|
@return Others - The status of open file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatOpen (
|
FatOpen (
|
||||||
|
|
@ -328,29 +321,6 @@ FatOpen (
|
||||||
IN UINT64 OpenMode,
|
IN UINT64 OpenMode,
|
||||||
IN UINT64 Attributes
|
IN UINT64 Attributes
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Implements Open() of Simple File System Protocol.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - File handle of the file serves as a starting reference point.
|
|
||||||
NewHandle - Handle of the file that is newly opened.
|
|
||||||
FileName - File name relative to FHand.
|
|
||||||
OpenMode - Open mode.
|
|
||||||
Attributes - Attributes to set if the file is created.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_INVALID_PARAMETER - The FileName is NULL or the file string is empty.
|
|
||||||
The OpenMode is not supported.
|
|
||||||
The Attributes is not the valid attributes.
|
|
||||||
EFI_OUT_OF_RESOURCES - Can not allocate the memory for file string.
|
|
||||||
EFI_SUCCESS - Open the file successfully.
|
|
||||||
Others - The status of open file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
return FatOpenEx (FHand, NewHandle, FileName, OpenMode, Attributes, NULL);
|
return FatOpenEx (FHand, NewHandle, FileName, OpenMode, Attributes, NULL);
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
OpenVolume() function of Simple File System Protocol.
|
||||||
|
|
||||||
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -9,45 +10,28 @@ http://opensource.org/licenses/bsd-license.php
|
||||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
**/
|
||||||
Module Name:
|
|
||||||
|
|
||||||
OpenVolume.c
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
OpenVolume() function of Simple File System Protocol
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Implements Simple File System Protocol interface function OpenVolume().
|
||||||
|
|
||||||
|
@param This - Calling context.
|
||||||
|
@param File - the Root Directory of the volume.
|
||||||
|
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Can not allocate the memory.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - The FAT type is error.
|
||||||
|
@retval EFI_SUCCESS - Open the volume successfully.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatOpenVolume (
|
FatOpenVolume (
|
||||||
IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,
|
IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,
|
||||||
OUT EFI_FILE_PROTOCOL **File
|
OUT EFI_FILE_PROTOCOL **File
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Implements Simple File System Protocol interface function OpenVolume().
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
This - Calling context.
|
|
||||||
File - the Root Directory of the volume.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_OUT_OF_RESOURCES - Can not allocate the memory.
|
|
||||||
EFI_VOLUME_CORRUPTED - The FAT type is error.
|
|
||||||
EFI_SUCCESS - Open the volume successfully.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
FAT_VOLUME *Volume;
|
FAT_VOLUME *Volume;
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,5 @@
|
||||||
/*++
|
/** @file
|
||||||
|
Functions that perform file read/write.
|
||||||
|
|
||||||
Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>
|
Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>
|
||||||
This program and the accompanying materials are licensed and made available
|
This program and the accompanying materials are licensed and made available
|
||||||
|
|
@ -10,44 +11,29 @@ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||||
|
|
||||||
|
|
||||||
Module Name:
|
**/
|
||||||
|
|
||||||
ReadWrite.c
|
|
||||||
|
|
||||||
Abstract:
|
|
||||||
|
|
||||||
Functions that perform file read/write
|
|
||||||
|
|
||||||
Revision History
|
|
||||||
|
|
||||||
--*/
|
|
||||||
|
|
||||||
#include "Fat.h"
|
#include "Fat.h"
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the file's position of the file.
|
||||||
|
|
||||||
|
|
||||||
|
@param FHand - The handle of file.
|
||||||
|
@param Position - The file's position of the file.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
@retval EFI_UNSUPPORTED - The open file is not a file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatGetPosition (
|
FatGetPosition (
|
||||||
IN EFI_FILE_PROTOCOL *FHand,
|
IN EFI_FILE_PROTOCOL *FHand,
|
||||||
OUT UINT64 *Position
|
OUT UINT64 *Position
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the file's position of the file.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of file.
|
|
||||||
Position - The file's position of the file.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
EFI_UNSUPPORTED - The open file is not a file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_IFILE *IFile;
|
FAT_IFILE *IFile;
|
||||||
FAT_OFILE *OFile;
|
FAT_OFILE *OFile;
|
||||||
|
|
@ -67,30 +53,24 @@ Returns:
|
||||||
return EFI_SUCCESS;
|
return EFI_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Set the file's position of the file.
|
||||||
|
|
||||||
|
@param FHand - The handle of file.
|
||||||
|
@param Position - The file's position of the file.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
@retval EFI_UNSUPPORTED - Set a directory with a not-zero position.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatSetPosition (
|
FatSetPosition (
|
||||||
IN EFI_FILE_PROTOCOL *FHand,
|
IN EFI_FILE_PROTOCOL *FHand,
|
||||||
IN UINT64 Position
|
IN UINT64 Position
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Set the file's position of the file.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of file.
|
|
||||||
Position - The file's position of the file.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
EFI_UNSUPPORTED - Set a directory with a not-zero position.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_IFILE *IFile;
|
FAT_IFILE *IFile;
|
||||||
FAT_OFILE *OFile;
|
FAT_OFILE *OFile;
|
||||||
|
|
@ -130,30 +110,24 @@ Returns:
|
||||||
return EFI_SUCCESS;
|
return EFI_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the file info from the open file of the IFile into Buffer.
|
||||||
|
|
||||||
|
@param IFile - The instance of the open file.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing read data.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the file info successfully.
|
||||||
|
@retval other - An error occurred when operation the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatIFileReadDir (
|
FatIFileReadDir (
|
||||||
IN FAT_IFILE *IFile,
|
IN FAT_IFILE *IFile,
|
||||||
IN OUT UINTN *BufferSize,
|
IN OUT UINTN *BufferSize,
|
||||||
OUT VOID *Buffer
|
OUT VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the file info from the open file of the IFile into Buffer.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
IFile - The instance of the open file.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing read data.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the file info successfully.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
FAT_OFILE *OFile;
|
FAT_OFILE *OFile;
|
||||||
|
|
@ -205,6 +179,24 @@ Done:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the file info from the open file of the IFile into Buffer.
|
||||||
|
|
||||||
|
@param FHand - The file handle to access.
|
||||||
|
@param IoMode - Indicate whether the access mode is reading or writing.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing read data.
|
||||||
|
@param Token - A pointer to the token associated with the transaction.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the file info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
||||||
|
@retval EFI_WRITE_PROTECTED - The disk is write protect.
|
||||||
|
@retval EFI_ACCESS_DENIED - The file is read-only.
|
||||||
|
@return other - An error occurred when operating on the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatIFileAccess (
|
FatIFileAccess (
|
||||||
IN EFI_FILE_PROTOCOL *FHand,
|
IN EFI_FILE_PROTOCOL *FHand,
|
||||||
|
|
@ -213,30 +205,6 @@ FatIFileAccess (
|
||||||
IN OUT VOID *Buffer,
|
IN OUT VOID *Buffer,
|
||||||
IN EFI_FILE_IO_TOKEN *Token
|
IN EFI_FILE_IO_TOKEN *Token
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the file info from the open file of the IFile into Buffer.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The file handle to access.
|
|
||||||
IoMode - Indicate whether the access mode is reading or writing.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing read data.
|
|
||||||
Token - A pointer to the token associated with the transaction.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the file info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
|
||||||
EFI_WRITE_PROTECTED - The disk is write protect.
|
|
||||||
EFI_ACCESS_DENIED - The file is read-only.
|
|
||||||
other - An error occurred when operating on the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
FAT_IFILE *IFile;
|
FAT_IFILE *IFile;
|
||||||
|
|
@ -373,6 +341,21 @@ Done:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the file info.
|
||||||
|
|
||||||
|
@param FHand - The handle of the file.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing read data.
|
||||||
|
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the file info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
||||||
|
@return other - An error occurred when operation the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatRead (
|
FatRead (
|
||||||
|
|
@ -380,59 +363,50 @@ FatRead (
|
||||||
IN OUT UINTN *BufferSize,
|
IN OUT UINTN *BufferSize,
|
||||||
OUT VOID *Buffer
|
OUT VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the file info.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of the file.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing read data.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the file info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
return FatIFileAccess (FHand, ReadData, BufferSize, Buffer, NULL);
|
return FatIFileAccess (FHand, ReadData, BufferSize, Buffer, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the file info.
|
||||||
|
|
||||||
|
@param FHand - The handle of the file.
|
||||||
|
@param Token - A pointer to the token associated with the transaction.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the file info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
||||||
|
@return other - An error occurred when operation the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatReadEx (
|
FatReadEx (
|
||||||
IN EFI_FILE_PROTOCOL *FHand,
|
IN EFI_FILE_PROTOCOL *FHand,
|
||||||
IN OUT EFI_FILE_IO_TOKEN *Token
|
IN OUT EFI_FILE_IO_TOKEN *Token
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the file info.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of the file.
|
|
||||||
Token - A pointer to the token associated with the transaction.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the file info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
return FatIFileAccess (FHand, ReadData, &Token->BufferSize, Token->Buffer, Token);
|
return FatIFileAccess (FHand, ReadData, &Token->BufferSize, Token->Buffer, Token);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Write the content of buffer into files.
|
||||||
|
|
||||||
|
@param FHand - The handle of the file.
|
||||||
|
@param BufferSize - Size of Buffer.
|
||||||
|
@param Buffer - Buffer containing write data.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Set the file info successfully.
|
||||||
|
@retval EFI_WRITE_PROTECTED - The disk is write protect.
|
||||||
|
@retval EFI_ACCESS_DENIED - The file is read-only.
|
||||||
|
@retval EFI_DEVICE_ERROR - The OFile is not valid.
|
||||||
|
@retval EFI_UNSUPPORTED - The open file is not a file.
|
||||||
|
- The writing file size is larger than 4GB.
|
||||||
|
@return other - An error occurred when operation the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatWrite (
|
FatWrite (
|
||||||
|
|
@ -440,62 +414,49 @@ FatWrite (
|
||||||
IN OUT UINTN *BufferSize,
|
IN OUT UINTN *BufferSize,
|
||||||
IN VOID *Buffer
|
IN VOID *Buffer
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Write the content of buffer into files.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of the file.
|
|
||||||
BufferSize - Size of Buffer.
|
|
||||||
Buffer - Buffer containing write data.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Set the file info successfully.
|
|
||||||
EFI_WRITE_PROTECTED - The disk is write protect.
|
|
||||||
EFI_ACCESS_DENIED - The file is read-only.
|
|
||||||
EFI_DEVICE_ERROR - The OFile is not valid.
|
|
||||||
EFI_UNSUPPORTED - The open file is not a file.
|
|
||||||
- The writing file size is larger than 4GB.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
return FatIFileAccess (FHand, WriteData, BufferSize, Buffer, NULL);
|
return FatIFileAccess (FHand, WriteData, BufferSize, Buffer, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Get the file info.
|
||||||
|
|
||||||
|
@param FHand - The handle of the file.
|
||||||
|
@param Token - A pointer to the token associated with the transaction.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Get the file info successfully.
|
||||||
|
@retval EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
||||||
|
@retval EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
||||||
|
@return other - An error occurred when operation the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
FatWriteEx (
|
FatWriteEx (
|
||||||
IN EFI_FILE_PROTOCOL *FHand,
|
IN EFI_FILE_PROTOCOL *FHand,
|
||||||
IN OUT EFI_FILE_IO_TOKEN *Token
|
IN OUT EFI_FILE_IO_TOKEN *Token
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Get the file info.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
FHand - The handle of the file.
|
|
||||||
Token - A pointer to the token associated with the transaction.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Get the file info successfully.
|
|
||||||
EFI_DEVICE_ERROR - Can not find the OFile for the file.
|
|
||||||
EFI_VOLUME_CORRUPTED - The file type of open file is error.
|
|
||||||
other - An error occurred when operation the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
return FatIFileAccess (FHand, WriteData, &Token->BufferSize, Token->Buffer, Token);
|
return FatIFileAccess (FHand, WriteData, &Token->BufferSize, Token->Buffer, Token);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
This function reads data from a file or writes data to a file.
|
||||||
|
It uses OFile->PosRem to determine how much data can be accessed in one time.
|
||||||
|
|
||||||
|
@param OFile - The open file.
|
||||||
|
@param IoMode - Indicate whether the access mode is reading or writing.
|
||||||
|
@param Position - The position where data will be accessed.
|
||||||
|
@param DataBufferSize - Size of Buffer.
|
||||||
|
@param UserBuffer - Buffer containing data.
|
||||||
|
@param Task point to task instance.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Access the data successfully.
|
||||||
|
@return other - An error occurred when operating on the disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatAccessOFile (
|
FatAccessOFile (
|
||||||
IN FAT_OFILE *OFile,
|
IN FAT_OFILE *OFile,
|
||||||
|
|
@ -505,27 +466,6 @@ FatAccessOFile (
|
||||||
IN OUT UINT8 *UserBuffer,
|
IN OUT UINT8 *UserBuffer,
|
||||||
IN FAT_TASK *Task
|
IN FAT_TASK *Task
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
This function reads data from a file or writes data to a file.
|
|
||||||
It uses OFile->PosRem to determine how much data can be accessed in one time.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
OFile - The open file.
|
|
||||||
IoMode - Indicate whether the access mode is reading or writing.
|
|
||||||
Position - The position where data will be accessed.
|
|
||||||
DataBufferSize - Size of Buffer.
|
|
||||||
UserBuffer - Buffer containing data.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Access the data successfully.
|
|
||||||
other - An error occurred when operating on the disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
FAT_VOLUME *Volume;
|
FAT_VOLUME *Volume;
|
||||||
UINTN Len;
|
UINTN Len;
|
||||||
|
|
@ -579,28 +519,22 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Expand OFile by appending zero bytes at the end of OFile.
|
||||||
|
|
||||||
|
@param OFile - The open file.
|
||||||
|
@param ExpandedSize - The number of zero bytes appended at the end of the file.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - The file is expanded successfully.
|
||||||
|
@return other - An error occurred when expanding file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatExpandOFile (
|
FatExpandOFile (
|
||||||
IN FAT_OFILE *OFile,
|
IN FAT_OFILE *OFile,
|
||||||
IN UINT64 ExpandedSize
|
IN UINT64 ExpandedSize
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Expand OFile by appending zero bytes at the end of OFile.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
OFile - The open file.
|
|
||||||
ExpandedSize - The number of zero bytes appended at the end of the file.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - The file is expanded successfully.
|
|
||||||
other - An error occurred when expanding file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
UINTN WritePos;
|
UINTN WritePos;
|
||||||
|
|
@ -614,29 +548,23 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Write zero pool from the WritePos to the end of OFile.
|
||||||
|
|
||||||
|
@param OFile - The open file to write zero pool.
|
||||||
|
@param WritePos - The number of zero bytes written.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - Write the zero pool successfully.
|
||||||
|
@retval EFI_OUT_OF_RESOURCES - Not enough memory to perform the operation.
|
||||||
|
@return other - An error occurred when writing disk.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatWriteZeroPool (
|
FatWriteZeroPool (
|
||||||
IN FAT_OFILE *OFile,
|
IN FAT_OFILE *OFile,
|
||||||
IN UINTN WritePos
|
IN UINTN WritePos
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Write zero pool from the WritePos to the end of OFile.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
OFile - The open file to write zero pool.
|
|
||||||
WritePos - The number of zero bytes written.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - Write the zero pool successfully.
|
|
||||||
EFI_OUT_OF_RESOURCES - Not enough memory to perform the operation.
|
|
||||||
other - An error occurred when writing disk.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
EFI_STATUS Status;
|
EFI_STATUS Status;
|
||||||
VOID *ZeroBuffer;
|
VOID *ZeroBuffer;
|
||||||
|
|
@ -676,28 +604,22 @@ Returns:
|
||||||
return Status;
|
return Status;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
|
||||||
|
Truncate the OFile to smaller file size.
|
||||||
|
|
||||||
|
@param OFile - The open file.
|
||||||
|
@param TruncatedSize - The new file size.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS - The file is truncated successfully.
|
||||||
|
@return other - An error occurred when truncating file.
|
||||||
|
|
||||||
|
**/
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
FatTruncateOFile (
|
FatTruncateOFile (
|
||||||
IN FAT_OFILE *OFile,
|
IN FAT_OFILE *OFile,
|
||||||
IN UINTN TruncatedSize
|
IN UINTN TruncatedSize
|
||||||
)
|
)
|
||||||
/*++
|
|
||||||
|
|
||||||
Routine Description:
|
|
||||||
|
|
||||||
Truncate the OFile to smaller file size.
|
|
||||||
|
|
||||||
Arguments:
|
|
||||||
|
|
||||||
OFile - The open file.
|
|
||||||
TruncatedSize - The new file size.
|
|
||||||
|
|
||||||
Returns:
|
|
||||||
|
|
||||||
EFI_SUCCESS - The file is truncated successfully.
|
|
||||||
other - An error occurred when truncating file.
|
|
||||||
|
|
||||||
--*/
|
|
||||||
{
|
{
|
||||||
OFile->FileSize = TruncatedSize;
|
OFile->FileSize = TruncatedSize;
|
||||||
return FatShrinkEof (OFile);
|
return FatShrinkEof (OFile);
|
||||||
|
|
|
||||||
|
|
@ -189,9 +189,8 @@ FatStriCmp (
|
||||||
/**
|
/**
|
||||||
Uppercase a string.
|
Uppercase a string.
|
||||||
|
|
||||||
@param Str The string which will be upper-cased.
|
@param String The string which will be upper-cased.
|
||||||
|
|
||||||
@return None.
|
|
||||||
|
|
||||||
**/
|
**/
|
||||||
VOID
|
VOID
|
||||||
|
|
@ -209,9 +208,8 @@ FatStrUpr (
|
||||||
/**
|
/**
|
||||||
Lowercase a string
|
Lowercase a string
|
||||||
|
|
||||||
@param Str The string which will be lower-cased.
|
@param String The string which will be lower-cased.
|
||||||
|
|
||||||
@return None
|
|
||||||
|
|
||||||
**/
|
**/
|
||||||
VOID
|
VOID
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue