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CloverBootloader/MdeModulePkg/Universal/FvSimpleFileSystemDxe/FvSimpleFileSystemInternal.h
Sergey Isakov 7c0aa811ec initial commit Clover sources 5061 and modules from EDK2 latest with legacy codes from UDK2018 
Signed-off-by: Sergey Isakov <isakov-sl@bk.ru>
2019-09-03 12:58:42 +03:00

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/** @file
The internal header file of FvSimpleFileSystem driver.
Copyright (c) 2014, ARM Limited. All rights reserved.
Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __FVFS_INTERNAL_H__
#define __FVFS_INTERNAL_H__
#include <Uefi.h>
#include <PiDxe.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PrintLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Protocol/DriverBinding.h>
#include <Protocol/FirmwareVolume2.h>
#include <Protocol/SimpleFileSystem.h>
#include <Protocol/UnicodeCollation.h>
#include <Guid/FileSystemInfo.h>
#include <Guid/FileInfo.h>
#include <Guid/FileSystemVolumeLabelInfo.h>
typedef struct _FV_FILESYSTEM_FILE FV_FILESYSTEM_FILE;
typedef struct _FV_FILESYSTEM_FILE_INFO FV_FILESYSTEM_FILE_INFO;
typedef struct _FV_FILESYSTEM_INSTANCE FV_FILESYSTEM_INSTANCE;
//
// Struct representing an instance of the "filesystem". There will be one of
// these structs per FV.
//
struct _FV_FILESYSTEM_INSTANCE {
UINT32 Signature;
LIST_ENTRY FileInfoHead;
LIST_ENTRY FileHead;
EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;
EFI_FIRMWARE_VOLUME2_PROTOCOL *FvProtocol;
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL SimpleFs;
FV_FILESYSTEM_FILE *Root;
CHAR16 *VolumeLabel;
};
//
// Struct representing a opening file. Each opening operation on file will
// create such an instance except for the "root directory", which will only
// be created once for each FV.
//
struct _FV_FILESYSTEM_FILE {
UINT32 Signature;
LIST_ENTRY Link;
FV_FILESYSTEM_FILE_INFO *DirReadNext;
FV_FILESYSTEM_INSTANCE *Instance;
EFI_FILE_PROTOCOL FileProtocol;
FV_FILESYSTEM_FILE_INFO *FvFileInfo;
UINT64 Position;
};
//
// Struct representing the info of a file.
//
struct _FV_FILESYSTEM_FILE_INFO {
UINT32 Signature;
LIST_ENTRY Link;
EFI_GUID NameGuid;
EFI_FV_FILETYPE Type;
EFI_FILE_INFO FileInfo;
};
#define FVFS_FILE_SIGNATURE SIGNATURE_32 ('f', 'v', 'f', 'i')
#define FVFS_FILE_INFO_SIGNATURE SIGNATURE_32 ('f', 'v', 'i', 'n')
#define FVFS_INSTANCE_SIGNATURE SIGNATURE_32 ('f', 'v', 'f', 's')
#define FVFS_INSTANCE_FROM_SIMPLE_FS_THIS(This) CR ( \
This, \
FV_FILESYSTEM_INSTANCE, \
SimpleFs, \
FVFS_INSTANCE_SIGNATURE \
)
#define FVFS_FILE_FROM_FILE_THIS(This) CR ( \
This, \
FV_FILESYSTEM_FILE, \
FileProtocol, \
FVFS_FILE_SIGNATURE \
)
#define FVFS_FILE_INFO_FROM_LINK(This) CR ( \
This, \
FV_FILESYSTEM_FILE_INFO, \
Link, \
FVFS_FILE_INFO_SIGNATURE \
)
#define FVFS_FILE_FROM_LINK(FileLink) CR (FileLink, FV_FILESYSTEM_FILE, Link, FVFS_FILE_SIGNATURE)
#define FVFS_GET_FIRST_FILE(Instance) FVFS_FILE_FROM_LINK (GetFirstNode (&Instance->FileHead))
#define FVFS_GET_FIRST_FILE_INFO(Instance) FVFS_FILE_INFO_FROM_LINK (GetFirstNode (&Instance->FileInfoHead))
#define FV_FILETYPE_IS_EXECUTABLE(Type) ((Type) == EFI_FV_FILETYPE_PEIM || \
(Type) == EFI_FV_FILETYPE_DRIVER || \
(Type) == EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER || \
(Type) == EFI_FV_FILETYPE_APPLICATION)
/**
Open the root directory on a volume.
@param This A pointer to the volume to open the root directory.
@param RootFile A pointer to the location to return the opened file handle for the
root directory.
@retval EFI_SUCCESS The device was opened.
@retval EFI_UNSUPPORTED This volume does not support the requested file system type.
@retval EFI_NO_MEDIA The device has no medium.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
@retval EFI_ACCESS_DENIED The service denied access to the file.
@retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.
@retval EFI_MEDIA_CHANGED The device has a different medium in it or the medium is no
longer supported. Any existing file handles for this volume are
no longer valid. To access the files on the new medium, the
volume must be reopened with OpenVolume().
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemOpenVolume (
IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,
OUT EFI_FILE_PROTOCOL **RootFile
);
/**
Test to see if this driver supports ControllerHandle.
@param DriverBinding Protocol instance pointer.
@param ControllerHandle Handle of device to test
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS This driver supports this device
@retval EFI_ALREADY_STARTED This driver is already running on this device
@retval other This driver does not support this device
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemDriverSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
/**
Start this driver on ControllerHandle by opening a FV protocol and
installing a SimpleFileSystem protocol on ControllerHandle.
@param DriverBinding Protocol instance pointer.
@param ControllerHandle Handle of device to bind driver to
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS This driver is added to ControllerHandle
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
@retval other This driver does not support this device
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
/**
Stop this driver on ControllerHandle by removing SimpleFileSystem protocol and closing
the FV protocol on ControllerHandle.
@param DriverBinding Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
children is zero stop the entire bus driver.
@param ChildHandleBuffer List of Child Handles to Stop.
@retval EFI_SUCCESS This driver is removed ControllerHandle
@retval other This driver was not removed from this device
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemDriverStop (
IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
);
/**
Opens a new file relative to the source file's location.
@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
handle to the source location. This would typically be an open
handle to a directory.
@param NewHandle A pointer to the location to return the opened handle for the new
file.
@param FileName The Null-terminated string of the name of the file to be opened.
The file name may contain the following path modifiers: "\", ".",
and "..".
@param OpenMode The mode to open the file. The only valid combinations that the
file may be opened with are: Read, Read/Write, or Create/Read/Write.
@param Attributes Only valid for EFI_FILE_MODE_CREATE, in which case these are the
attribute bits for the newly created file.
@retval EFI_SUCCESS The file was opened.
@retval EFI_NOT_FOUND The specified file could not be found on the device.
@retval EFI_NO_MEDIA The device has no medium.
@retval EFI_MEDIA_CHANGED The device has a different medium in it or the medium is no
longer supported.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
@retval EFI_WRITE_PROTECTED An attempt was made to create a file, or open a file for write
when the media is write-protected.
@retval EFI_ACCESS_DENIED The service denied access to the file.
@retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the file.
@retval EFI_VOLUME_FULL The volume is full.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemOpen (
IN EFI_FILE_PROTOCOL *This,
OUT EFI_FILE_PROTOCOL **NewHandle,
IN CHAR16 *FileName,
IN UINT64 OpenMode,
IN UINT64 Attributes
);
/**
Closes a specified file handle.
@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
handle to close.
@retval EFI_SUCCESS The file was closed.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemClose (
IN EFI_FILE_PROTOCOL *This
);
/**
Reads data from a file.
@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
handle to read data from.
@param BufferSize On input, the size of the Buffer. On output, the amount of data
returned in Buffer. In both cases, the size is measured in bytes.
@param Buffer The buffer into which the data is read.
@retval EFI_SUCCESS Data was read.
@retval EFI_NO_MEDIA The device has no medium.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_DEVICE_ERROR An attempt was made to read from a deleted file.
@retval EFI_DEVICE_ERROR On entry, the current file position is beyond the end of the file.
@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
@retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory
entry. BufferSize has been updated with the size
needed to complete the request.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemRead (
IN EFI_FILE_PROTOCOL *This,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer
);
/**
Writes data to a file.
@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
handle to write data to.
@param BufferSize On input, the size of the Buffer. On output, the amount of data
actually written. In both cases, the size is measured in bytes.
@param Buffer The buffer of data to write.
@retval EFI_SUCCESS Data was written.
@retval EFI_UNSUPPORTED Writes to open directory files are not supported.
@retval EFI_NO_MEDIA The device has no medium.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_DEVICE_ERROR An attempt was made to write to a deleted file.
@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
@retval EFI_WRITE_PROTECTED The file or medium is write-protected.
@retval EFI_ACCESS_DENIED The file was opened read only.
@retval EFI_VOLUME_FULL The volume is full.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemWrite (
IN EFI_FILE_PROTOCOL *This,
IN OUT UINTN *BufferSize,
IN VOID *Buffer
);
/**
Returns a file's current position.
@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
handle to get the current position on.
@param Position The address to return the file's current position value.
@retval EFI_SUCCESS The position was returned.
@retval EFI_UNSUPPORTED The request is not valid on open directories.
@retval EFI_DEVICE_ERROR An attempt was made to get the position from a deleted file.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemGetPosition (
IN EFI_FILE_PROTOCOL *This,
OUT UINT64 *Position
);
/**
Sets a file's current position.
@param This A pointer to the EFI_FILE_PROTOCOL instance that is the
file handle to set the requested position on.
@param Position The byte position from the start of the file to set.
@retval EFI_SUCCESS The position was set.
@retval EFI_UNSUPPORTED The seek request for nonzero is not valid on open
directories.
@retval EFI_DEVICE_ERROR An attempt was made to set the position of a deleted file.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemSetPosition (
IN EFI_FILE_PROTOCOL *This,
IN UINT64 Position
);
/**
Flushes all modified data associated with a file to a device.
@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
handle to flush.
@retval EFI_SUCCESS The data was flushed.
@retval EFI_NO_MEDIA The device has no medium.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
@retval EFI_WRITE_PROTECTED The file or medium is write-protected.
@retval EFI_ACCESS_DENIED The file was opened read-only.
@retval EFI_VOLUME_FULL The volume is full.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemFlush (
IN EFI_FILE_PROTOCOL *This
);
/**
Close and delete the file handle.
@param This A pointer to the EFI_FILE_PROTOCOL instance that is the
handle to the file to delete.
@retval EFI_SUCCESS The file was closed and deleted, and the handle was closed.
@retval EFI_WARN_DELETE_FAILURE The handle was closed, but the file was not deleted.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemDelete (
IN EFI_FILE_PROTOCOL *This
);
/**
Returns information about a file.
@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
handle the requested information is for.
@param InformationType The type identifier for the information being requested.
@param BufferSize On input, the size of Buffer. On output, the amount of data
returned in Buffer. In both cases, the size is measured in bytes.
@param Buffer A pointer to the data buffer to return. The buffer's type is
indicated by InformationType.
@retval EFI_SUCCESS The information was returned.
@retval EFI_UNSUPPORTED The InformationType is not known.
@retval EFI_NO_MEDIA The device has no medium.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
@retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory entry.
BufferSize has been updated with the size needed to complete
the request.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemGetInfo (
IN EFI_FILE_PROTOCOL *This,
IN EFI_GUID *InformationType,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer
);
/**
Sets information about a file.
@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
handle the information is for.
@param InformationType The type identifier for the information being set.
@param BufferSize The size, in bytes, of Buffer.
@param Buffer A pointer to the data buffer to write. The buffer's type is
indicated by InformationType.
@retval EFI_SUCCESS The information was set.
@retval EFI_UNSUPPORTED The InformationType is not known.
@retval EFI_NO_MEDIA The device has no medium.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
@retval EFI_WRITE_PROTECTED InformationType is EFI_FILE_INFO_ID and the media is
read-only.
@retval EFI_WRITE_PROTECTED InformationType is EFI_FILE_PROTOCOL_SYSTEM_INFO_ID
and the media is read only.
@retval EFI_WRITE_PROTECTED InformationType is EFI_FILE_SYSTEM_VOLUME_LABEL_ID
and the media is read-only.
@retval EFI_ACCESS_DENIED An attempt is made to change the name of a file to a
file that is already present.
@retval EFI_ACCESS_DENIED An attempt is being made to change the EFI_FILE_DIRECTORY
Attribute.
@retval EFI_ACCESS_DENIED An attempt is being made to change the size of a directory.
@retval EFI_ACCESS_DENIED InformationType is EFI_FILE_INFO_ID and the file was opened
read-only and an attempt is being made to modify a field
other than Attribute.
@retval EFI_VOLUME_FULL The volume is full.
@retval EFI_BAD_BUFFER_SIZE BufferSize is smaller than the size of the type indicated
by InformationType.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemSetInfo (
IN EFI_FILE_PROTOCOL *This,
IN EFI_GUID *InformationType,
IN UINTN BufferSize,
IN VOID *Buffer
);
/**
Get the size of the buffer that will be returned by FvFsReadFile.
@param FvProtocol A pointer to the EFI_FIRMWARE_VOLUME2_PROTOCOL instance.
@param FvFileInfo A pointer to the FV_FILESYSTEM_FILE_INFO instance that is a struct
representing a file's info.
@retval EFI_SUCCESS The file size was gotten correctly.
@retval Others The file size wasn't gotten correctly.
**/
EFI_STATUS
FvFsGetFileSize (
IN EFI_FIRMWARE_VOLUME2_PROTOCOL *FvProtocol,
IN OUT FV_FILESYSTEM_FILE_INFO *FvFileInfo
);
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
FvSimpleFileSystemComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
extern EFI_UNICODE_COLLATION_PROTOCOL *mUnicodeCollation;
extern EFI_FILE_PROTOCOL mFileSystemTemplate;
extern EFI_COMPONENT_NAME_PROTOCOL gFvSimpleFileSystemComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gFvSimpleFileSystemComponentName2;
#endif
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