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Change Fat driver to support asynchronous File IO introduced in UEFI spec 2.3.1.D.

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Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

(based on FatPkg commit 063f6e8a9c263bafd52e1226399fc64d6d721dca)

[jordan.l.justen@intel.com: Use script to relicense to 2-clause BSD]
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Acked-by: Mark Doran <mark.doran@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Ruiyu Ni
2013-10-30 03:13:16 +00:00
committed by Jordan Justen
parent 04a4fdb99f
commit 149d633529
15 changed files with 914 additions and 151 deletions
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188
FatPkg/EnhancedFatDxe/Fat.h
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@@ -1,6 +1,6 @@
/*++
Copyright (c) 2005 - 2010, 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
under the terms and conditions of the BSD License which accompanies this
distribution. The full text of the license may be found at
@@ -32,6 +32,7 @@ Revision History
#include <Guid/FileSystemVolumeLabelInfo.h>
#include <Protocol/BlockIo.h>
#include <Protocol/DiskIo.h>
#include <Protocol/DiskIo2.h>
#include <Protocol/SimpleFileSystem.h>
#include <Protocol/UnicodeCollation.h>
@@ -55,6 +56,8 @@ Revision History
#define FAT_ODIR_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'd')
#define FAT_DIRENT_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'e')
#define FAT_OFILE_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'o')
#define FAT_TASK_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'T')
#define FAT_SUBTASK_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'S')
#define ASSERT_VOLUME_LOCKED(a) ASSERT_LOCKED (&FatFsLock)
@@ -213,9 +216,29 @@ typedef struct {
UINT64 Position;
BOOLEAN ReadOnly;
struct _FAT_OFILE *OFile;
LIST_ENTRY Link;
LIST_ENTRY Tasks; // List of all FAT_TASKs
LIST_ENTRY Link; // Link to other IFiles
} FAT_IFILE;
typedef struct {
UINTN Signature;
EFI_FILE_IO_TOKEN *FileIoToken;
FAT_IFILE *IFile;
LIST_ENTRY Subtasks; // List of all FAT_SUBTASKs
LIST_ENTRY Link; // Link to other FAT_TASKs
} FAT_TASK;
typedef struct {
UINTN Signature;
EFI_DISK_IO2_TOKEN DiskIo2Token;
FAT_TASK *Task;
BOOLEAN Write;
UINT64 Offset;
VOID *Buffer;
UINTN BufferSize;
LIST_ENTRY Link;
} FAT_SUBTASK;
//
// FAT_OFILE - Each opened file
//
@@ -296,6 +319,7 @@ typedef struct _FAT_VOLUME {
//
EFI_BLOCK_IO_PROTOCOL *BlockIo;
EFI_DISK_IO_PROTOCOL *DiskIo;
EFI_DISK_IO2_PROTOCOL *DiskIo2;
UINT32 MediaId;
BOOLEAN ReadOnly;
@@ -400,6 +424,41 @@ Returns:
--*/
;
EFI_STATUS
FatOpenEx (
IN EFI_FILE_PROTOCOL *FHand,
OUT EFI_FILE_PROTOCOL **NewHandle,
IN CHAR16 *FileName,
IN UINT64 OpenMode,
IN UINT64 Attributes,
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.
--*/
;
EFI_STATUS
EFIAPI
FatGetPosition (
@@ -510,6 +569,33 @@ Returns:
--*/
;
EFI_STATUS
EFIAPI
FatFlushEx (
IN EFI_FILE_PROTOCOL *FHand,
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.
--*/
;
EFI_STATUS
EFIAPI
FatClose (
@@ -610,6 +696,33 @@ Returns:
--*/
;
EFI_STATUS
EFIAPI
FatReadEx (
IN EFI_FILE_PROTOCOL *FHand,
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.
--*/
;
EFI_STATUS
EFIAPI
FatWrite (
@@ -642,6 +755,33 @@ Returns:
--*/
;
EFI_STATUS
EFIAPI
FatWriteEx (
IN EFI_FILE_PROTOCOL *FHand,
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.
--*/
;
//
// DiskCache.c
//
@@ -657,12 +797,14 @@ FatAccessCache (
IN IO_MODE IoMode,
IN UINT64 Offset,
IN UINTN BufferSize,
IN OUT UINT8 *Buffer
IN OUT UINT8 *Buffer,
IN FAT_TASK *Task
);
EFI_STATUS
FatVolumeFlushCache (
IN FAT_VOLUME *Volume
IN FAT_VOLUME *Volume,
IN FAT_TASK *Task
);
//
@@ -693,7 +835,8 @@ EFI_STATUS
FatCleanupVolume (
IN FAT_VOLUME *Volume,
IN FAT_OFILE *OFile,
IN EFI_STATUS EfiStatus
IN EFI_STATUS EfiStatus,
IN FAT_TASK *Task
);
//
@@ -741,6 +884,7 @@ EFI_STATUS
FatAllocateVolume (
IN EFI_HANDLE Handle,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_DISK_IO2_PROTOCOL *DiskIo2,
IN EFI_BLOCK_IO_PROTOCOL *BlockIo
);
@@ -757,6 +901,33 @@ FatAbandonVolume (
//
// Misc.c
//
FAT_TASK *
FatCreateTask (
FAT_IFILE *IFile,
EFI_FILE_IO_TOKEN *Token
);
VOID
FatDestroyTask (
FAT_TASK *Task
);
VOID
FatWaitNonblockingTask (
FAT_IFILE *IFile
);
LIST_ENTRY *
FatDestroySubtask (
FAT_SUBTASK *Subtask
);
EFI_STATUS
FatQueueTask (
IN FAT_IFILE *IFile,
IN FAT_TASK *Task
);
EFI_STATUS
FatAccessVolumeDirty (
IN FAT_VOLUME *Volume,
@@ -770,7 +941,8 @@ FatDiskIo (
IN IO_MODE IoMode,
IN UINT64 Offset,
IN UINTN BufferSize,
IN OUT VOID *Buffer
IN OUT VOID *Buffer,
IN FAT_TASK *Task
);
VOID
@@ -895,7 +1067,8 @@ FatAccessOFile (
IN IO_MODE IoMode,
IN UINTN Position,
IN UINTN *DataBufferSize,
IN UINT8 *UserBuffer
IN UINT8 *UserBuffer,
IN FAT_TASK *Task
);
EFI_STATUS
@@ -1113,6 +1286,7 @@ extern EFI_DRIVER_BINDING_PROTOCOL gFatDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gFatComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gFatComponentName2;
extern EFI_LOCK FatFsLock;
extern EFI_LOCK FatTaskLock;
extern EFI_FILE_PROTOCOL FatFileInterface;
#endif