/*++\r
\r
-Copyright (c) 2005 - 2007, Intel Corporation\r
-All rights reserved. This program and the accompanying materials are licensed and made available\r
+Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials are licensed and made available\r
under the terms and conditions of the BSD License which accompanies this\r
distribution. The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
#include <Guid/FileSystemVolumeLabelInfo.h>\r
#include <Protocol/BlockIo.h>\r
#include <Protocol/DiskIo.h>\r
+#include <Protocol/DiskIo2.h>\r
#include <Protocol/SimpleFileSystem.h>\r
#include <Protocol/UnicodeCollation.h>\r
\r
#define FAT_ODIR_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'd')\r
#define FAT_DIRENT_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'e')\r
#define FAT_OFILE_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'o')\r
+#define FAT_TASK_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'T')\r
+#define FAT_SUBTASK_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'S')\r
\r
#define ASSERT_VOLUME_LOCKED(a) ASSERT_LOCKED (&FatFsLock)\r
\r
// The fat types we support\r
//\r
typedef enum {\r
- FAT12,\r
- FAT16,\r
- FAT32,\r
+ Fat12,\r
+ Fat16,\r
+ Fat32,\r
FatUndefined\r
} FAT_VOLUME_TYPE;\r
\r
typedef enum {\r
- CACHE_FAT,\r
- CACHE_DATA,\r
- CACHE_MAX_TYPE\r
+ CacheFat,\r
+ CacheData,\r
+ CacheMaxType\r
} CACHE_DATA_TYPE;\r
\r
//\r
// Used in FatDiskIo\r
//\r
typedef enum {\r
- READ_DISK = 0, // raw disk read\r
- WRITE_DISK = 1, // raw disk write\r
- READ_FAT = 2, // read fat cache\r
- WRITE_FAT = 3, // write fat cache\r
- READ_DATA = 6, // read data cache\r
- WRITE_DATA = 7 // write data cache\r
+ ReadDisk = 0, // raw disk read\r
+ WriteDisk = 1, // raw disk write\r
+ ReadFat = 2, // read fat cache\r
+ WriteFat = 3, // write fat cache\r
+ ReadData = 6, // read data cache\r
+ WriteData = 7 // write data cache\r
} IO_MODE;\r
\r
#define CACHE_ENABLED(a) ((a) >= 2)\r
//\r
// The directory entry for opened directory\r
//\r
-typedef struct _FAT_DIRENT {\r
+\r
+typedef struct _FAT_DIRENT FAT_DIRENT;\r
+typedef struct _FAT_ODIR FAT_ODIR;\r
+typedef struct _FAT_OFILE FAT_OFILE;\r
+typedef struct _FAT_VOLUME FAT_VOLUME;\r
+\r
+struct _FAT_DIRENT {\r
UINTN Signature;\r
UINT16 EntryPos; // The position of this directory entry in the parent directory file\r
UINT8 EntryCount; // The count of the directory entry in the parent directory file\r
BOOLEAN Invalid; // Indicate whether this directory entry is valid\r
CHAR16 *FileString; // The unicode long file name for this directory entry\r
- struct _FAT_OFILE *OFile; // The OFile of the corresponding directory entry\r
- struct _FAT_DIRENT *ShortNameForwardLink; // Hash successor link for short filename\r
- struct _FAT_DIRENT *LongNameForwardLink; // Hash successor link for long filename\r
+ FAT_OFILE *OFile; // The OFile of the corresponding directory entry\r
+ FAT_DIRENT *ShortNameForwardLink; // Hash successor link for short filename\r
+ FAT_DIRENT *LongNameForwardLink; // Hash successor link for long filename\r
LIST_ENTRY Link; // Connection of every directory entry\r
FAT_DIRECTORY_ENTRY Entry; // The physical directory entry stored in disk\r
-} FAT_DIRENT;\r
+};\r
\r
-typedef struct _FAT_ODIR {\r
+struct _FAT_ODIR {\r
UINTN Signature;\r
UINT32 CurrentEndPos; // Current end position of the directory\r
UINT32 CurrentPos; // Current position of the directory\r
UINTN DirCacheTag; // The identification of the directory when in directory cache\r
FAT_DIRENT *LongNameHashTable[HASH_TABLE_SIZE];\r
FAT_DIRENT *ShortNameHashTable[HASH_TABLE_SIZE];\r
-} FAT_ODIR;\r
+};\r
\r
typedef struct {\r
UINTN Signature;\r
- EFI_FILE Handle;\r
+ EFI_FILE_PROTOCOL Handle;\r
UINT64 Position;\r
BOOLEAN ReadOnly;\r
- struct _FAT_OFILE *OFile;\r
- LIST_ENTRY Link;\r
+ FAT_OFILE *OFile;\r
+ LIST_ENTRY Tasks; // List of all FAT_TASKs\r
+ LIST_ENTRY Link; // Link to other IFiles\r
} FAT_IFILE;\r
\r
+typedef struct {\r
+ UINTN Signature;\r
+ EFI_FILE_IO_TOKEN *FileIoToken;\r
+ FAT_IFILE *IFile;\r
+ LIST_ENTRY Subtasks; // List of all FAT_SUBTASKs\r
+ LIST_ENTRY Link; // Link to other FAT_TASKs\r
+} FAT_TASK;\r
+\r
+typedef struct {\r
+ UINTN Signature;\r
+ EFI_DISK_IO2_TOKEN DiskIo2Token;\r
+ FAT_TASK *Task;\r
+ BOOLEAN Write;\r
+ UINT64 Offset;\r
+ VOID *Buffer;\r
+ UINTN BufferSize;\r
+ LIST_ENTRY Link;\r
+} FAT_SUBTASK;\r
+\r
//\r
// FAT_OFILE - Each opened file\r
//\r
-typedef struct _FAT_OFILE {\r
+struct _FAT_OFILE {\r
UINTN Signature;\r
- struct _FAT_VOLUME *Volume;\r
+ FAT_VOLUME *Volume;\r
//\r
// A permanant error code to return to all accesses to\r
// this opened file\r
//\r
// The opened parent, full path length and currently opened child files\r
//\r
- struct _FAT_OFILE *Parent;\r
+ FAT_OFILE *Parent;\r
UINTN FullPathLen;\r
LIST_ENTRY ChildHead;\r
LIST_ENTRY ChildLink;\r
// Link in Volume's reference list\r
//\r
LIST_ENTRY CheckLink;\r
-} FAT_OFILE;\r
+};\r
\r
-typedef struct _FAT_VOLUME {\r
+struct _FAT_VOLUME {\r
UINTN Signature;\r
\r
EFI_HANDLE Handle;\r
//\r
EFI_BLOCK_IO_PROTOCOL *BlockIo;\r
EFI_DISK_IO_PROTOCOL *DiskIo;\r
+ EFI_DISK_IO2_PROTOCOL *DiskIo2;\r
UINT32 MediaId;\r
BOOLEAN ReadOnly;\r
\r
// File Name of root OFile, it is empty string\r
//\r
CHAR16 RootFileString[1];\r
- struct _FAT_OFILE *Root;\r
+ FAT_OFILE *Root;\r
\r
//\r
// New OFiles are added to this list so they\r
// Disk Cache for this volume\r
//\r
VOID *CacheBuffer;\r
- DISK_CACHE DiskCache[CACHE_MAX_TYPE];\r
-} FAT_VOLUME;\r
+ DISK_CACHE DiskCache[CacheMaxType];\r
+};\r
\r
//\r
// Function Prototypes\r
EFI_STATUS\r
EFIAPI\r
FatOpen (\r
- IN EFI_FILE *FHand,\r
- OUT EFI_FILE **NewHandle,\r
+ IN EFI_FILE_PROTOCOL *FHand,\r
+ OUT EFI_FILE_PROTOCOL **NewHandle,\r
IN CHAR16 *FileName,\r
IN UINT64 OpenMode,\r
IN UINT64 Attributes\r
--*/\r
;\r
\r
+EFI_STATUS\r
+EFIAPI\r
+FatOpenEx (\r
+ IN EFI_FILE_PROTOCOL *FHand,\r
+ OUT EFI_FILE_PROTOCOL **NewHandle,\r
+ IN CHAR16 *FileName,\r
+ IN UINT64 OpenMode,\r
+ IN UINT64 Attributes,\r
+ IN OUT EFI_FILE_IO_TOKEN *Token\r
+ )\r
+/*++\r
+Routine Description:\r
+\r
+ Implements OpenEx() of Simple File System Protocol.\r
+\r
+Arguments:\r
+\r
+ FHand - File handle of the file serves as a starting reference point.\r
+ NewHandle - Handle of the file that is newly opened.\r
+ FileName - File name relative to FHand.\r
+ OpenMode - Open mode.\r
+ Attributes - Attributes to set if the file is created.\r
+ Token - A pointer to the token associated with the transaction.\r
+\r
+Returns:\r
+\r
+ EFI_INVALID_PARAMETER - The FileName is NULL or the file string is empty.\r
+ The OpenMode is not supported.\r
+ The Attributes is not the valid attributes.\r
+ EFI_OUT_OF_RESOURCES - Can not allocate the memory for file string.\r
+ EFI_SUCCESS - Open the file successfully.\r
+ Others - The status of open file.\r
+\r
+--*/\r
+;\r
+\r
EFI_STATUS\r
EFIAPI\r
FatGetPosition (\r
- IN EFI_FILE *FHand,\r
+ IN EFI_FILE_PROTOCOL *FHand,\r
OUT UINT64 *Position\r
)\r
/*++\r
EFI_STATUS\r
EFIAPI\r
FatGetInfo (\r
- IN EFI_FILE *FHand,\r
- IN EFI_GUID *Type,\r
- IN OUT UINTN *BufferSize,\r
- OUT VOID *Buffer\r
+ IN EFI_FILE_PROTOCOL *FHand,\r
+ IN EFI_GUID *Type,\r
+ IN OUT UINTN *BufferSize,\r
+ OUT VOID *Buffer\r
)\r
/*++\r
\r
EFI_STATUS\r
EFIAPI\r
FatSetInfo (\r
- IN EFI_FILE *FHand,\r
+ IN EFI_FILE_PROTOCOL *FHand,\r
IN EFI_GUID *Type,\r
IN UINTN BufferSize,\r
IN VOID *Buffer\r
EFI_STATUS\r
EFIAPI\r
FatFlush (\r
- IN EFI_FILE *FHand\r
+ IN EFI_FILE_PROTOCOL *FHand\r
)\r
/*++\r
\r
--*/\r
;\r
\r
+EFI_STATUS\r
+EFIAPI\r
+FatFlushEx (\r
+ IN EFI_FILE_PROTOCOL *FHand,\r
+ IN EFI_FILE_IO_TOKEN *Token\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Flushes all data associated with the file handle.\r
+\r
+Arguments:\r
+\r
+ FHand - Handle to file to flush.\r
+ Token - A pointer to the token associated with the transaction.\r
+\r
+Returns:\r
+\r
+ EFI_SUCCESS - Flushed the file successfully.\r
+ EFI_WRITE_PROTECTED - The volume is read only.\r
+ EFI_ACCESS_DENIED - The file is read only.\r
+ Others - Flushing of the file failed.\r
+\r
+--*/\r
+;\r
+\r
EFI_STATUS\r
EFIAPI\r
FatClose (\r
- IN EFI_FILE *FHand\r
+ IN EFI_FILE_PROTOCOL *FHand\r
)\r
/*++\r
\r
EFI_STATUS\r
EFIAPI\r
FatDelete (\r
- IN EFI_FILE *FHand\r
+ IN EFI_FILE_PROTOCOL *FHand\r
)\r
/*++\r
\r
EFI_STATUS\r
EFIAPI\r
FatSetPosition (\r
- IN EFI_FILE *FHand,\r
+ IN EFI_FILE_PROTOCOL *FHand,\r
IN UINT64 Position\r
)\r
/*++\r
EFI_STATUS\r
EFIAPI\r
FatRead (\r
- IN EFI_FILE *FHand,\r
- IN OUT UINTN *BufferSize,\r
- OUT VOID *Buffer\r
+ IN EFI_FILE_PROTOCOL *FHand,\r
+ IN OUT UINTN *BufferSize,\r
+ OUT VOID *Buffer\r
)\r
/*++\r
\r
--*/\r
;\r
\r
+EFI_STATUS\r
+EFIAPI\r
+FatReadEx (\r
+ IN EFI_FILE_PROTOCOL *FHand,\r
+ IN OUT EFI_FILE_IO_TOKEN *Token\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Get the file info.\r
+\r
+Arguments:\r
+\r
+ FHand - The handle of the file.\r
+ Token - A pointer to the token associated with the transaction.\r
+\r
+Returns:\r
+\r
+ EFI_SUCCESS - Get the file info successfully.\r
+ EFI_DEVICE_ERROR - Can not find the OFile for the file.\r
+ EFI_VOLUME_CORRUPTED - The file type of open file is error.\r
+ other - An error occurred when operation the disk.\r
+\r
+--*/\r
+;\r
+\r
EFI_STATUS\r
EFIAPI\r
FatWrite (\r
- IN EFI_FILE *FHand,\r
- IN OUT UINTN *BufferSize,\r
- IN VOID *Buffer\r
+ IN EFI_FILE_PROTOCOL *FHand,\r
+ IN OUT UINTN *BufferSize,\r
+ IN VOID *Buffer\r
)\r
/*++\r
\r
--*/\r
;\r
\r
+EFI_STATUS\r
+EFIAPI\r
+FatWriteEx (\r
+ IN EFI_FILE_PROTOCOL *FHand,\r
+ IN OUT EFI_FILE_IO_TOKEN *Token\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Get the file info.\r
+\r
+Arguments:\r
+\r
+ FHand - The handle of the file.\r
+ Token - A pointer to the token associated with the transaction.\r
+\r
+Returns:\r
+\r
+ EFI_SUCCESS - Get the file info successfully.\r
+ EFI_DEVICE_ERROR - Can not find the OFile for the file.\r
+ EFI_VOLUME_CORRUPTED - The file type of open file is error.\r
+ other - An error occurred when operation the disk.\r
+\r
+--*/\r
+;\r
+\r
//\r
// DiskCache.c\r
//\r
IN IO_MODE IoMode,\r
IN UINT64 Offset,\r
IN UINTN BufferSize,\r
- IN OUT UINT8 *Buffer\r
+ IN OUT UINT8 *Buffer,\r
+ IN FAT_TASK *Task\r
);\r
\r
EFI_STATUS\r
FatVolumeFlushCache (\r
- IN FAT_VOLUME *Volume\r
+ IN FAT_VOLUME *Volume,\r
+ IN FAT_TASK *Task\r
);\r
\r
//\r
FatCleanupVolume (\r
IN FAT_VOLUME *Volume,\r
IN FAT_OFILE *OFile,\r
- IN EFI_STATUS EfiStatus\r
+ IN EFI_STATUS EfiStatus,\r
+ IN FAT_TASK *Task\r
);\r
\r
//\r
FatAllocateVolume (\r
IN EFI_HANDLE Handle,\r
IN EFI_DISK_IO_PROTOCOL *DiskIo,\r
+ IN EFI_DISK_IO2_PROTOCOL *DiskIo2,\r
IN EFI_BLOCK_IO_PROTOCOL *BlockIo\r
);\r
\r
//\r
// Misc.c\r
//\r
+FAT_TASK *\r
+FatCreateTask (\r
+ FAT_IFILE *IFile,\r
+ EFI_FILE_IO_TOKEN *Token\r
+ );\r
+\r
+VOID\r
+FatDestroyTask (\r
+ FAT_TASK *Task\r
+ );\r
+\r
+VOID\r
+FatWaitNonblockingTask (\r
+ FAT_IFILE *IFile\r
+ );\r
+\r
+LIST_ENTRY *\r
+FatDestroySubtask (\r
+ FAT_SUBTASK *Subtask\r
+ );\r
+\r
+EFI_STATUS\r
+FatQueueTask (\r
+ IN FAT_IFILE *IFile,\r
+ IN FAT_TASK *Task\r
+ );\r
+\r
EFI_STATUS\r
FatAccessVolumeDirty (\r
IN FAT_VOLUME *Volume,\r
IN IO_MODE IoMode,\r
IN UINT64 Offset,\r
IN UINTN BufferSize,\r
- IN OUT VOID *Buffer\r
+ IN OUT VOID *Buffer,\r
+ IN FAT_TASK *Task\r
);\r
\r
VOID\r
VOID\r
);\r
\r
-BOOLEAN\r
-FatIsLocked (\r
+EFI_STATUS\r
+FatAcquireLockOrFail (\r
VOID\r
);\r
\r
EFIAPI\r
FatOpenVolume (\r
IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,\r
- OUT EFI_FILE **File\r
+ OUT EFI_FILE_PROTOCOL **File\r
);\r
\r
//\r
IN IO_MODE IoMode,\r
IN UINTN Position,\r
IN UINTN *DataBufferSize,\r
- IN UINT8 *UserBuffer\r
+ IN UINT8 *UserBuffer,\r
+ IN FAT_TASK *Task\r
);\r
\r
EFI_STATUS\r
\r
EFI_STATUS\r
FatGetNextDirEnt (\r
- IN FAT_OFILE *OFILE,\r
+ IN FAT_OFILE *OFile,\r
OUT FAT_DIRENT **PtrDirEnt\r
);\r
\r
\r
VOID\r
FatGetFileNameViaCaseFlag (\r
- IN FAT_DIRENT *DirEnt,\r
- OUT CHAR16 *FileString\r
+ IN FAT_DIRENT *DirEnt,\r
+ IN OUT CHAR16 *FileString,\r
+ IN UINTN FileStringMax\r
);\r
\r
UINT8\r
extern EFI_COMPONENT_NAME_PROTOCOL gFatComponentName;\r
extern EFI_COMPONENT_NAME2_PROTOCOL gFatComponentName2;\r
extern EFI_LOCK FatFsLock;\r
-extern EFI_FILE FatFileInterface;\r
+extern EFI_LOCK FatTaskLock;\r
+extern EFI_FILE_PROTOCOL FatFileInterface;\r
\r
#endif\r
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