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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SimpleFileSystem.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SimpleFileSystem.h | 562 |
1 files changed, 562 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SimpleFileSystem.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SimpleFileSystem.h new file mode 100644 index 0000000000..cf39e83c2c --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SimpleFileSystem.h @@ -0,0 +1,562 @@ +/** @file + SimpleFileSystem protocol as defined in the UEFI 2.0 specification. + + The SimpleFileSystem protocol is the programmatic access to the FAT (12,16,32) + file system specified in UEFI 2.0. It can also be used to abstract a file + system other than FAT. + + UEFI 2.0 can boot from any valid EFI image contained in a SimpleFileSystem. + +Copyright (c) 2006 - 2014, 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 that accompanies this distribution. +The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php. + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef __SIMPLE_FILE_SYSTEM_H__ +#define __SIMPLE_FILE_SYSTEM_H__ + +#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \ + { \ + 0x964e5b22, 0x6459, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \ + } + +typedef struct _EFI_SIMPLE_FILE_SYSTEM_PROTOCOL EFI_SIMPLE_FILE_SYSTEM_PROTOCOL; + +typedef struct _EFI_FILE_PROTOCOL EFI_FILE_PROTOCOL; +typedef struct _EFI_FILE_PROTOCOL *EFI_FILE_HANDLE; + +/// +/// Protocol GUID name defined in EFI1.1. +/// +#define SIMPLE_FILE_SYSTEM_PROTOCOL EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID + +/// +/// Protocol name defined in EFI1.1. +/// +typedef EFI_SIMPLE_FILE_SYSTEM_PROTOCOL EFI_FILE_IO_INTERFACE; +typedef EFI_FILE_PROTOCOL EFI_FILE; + +/** + Open the root directory on a volume. + + @param This A pointer to the volume to open the root directory. + @param Root 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(). + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_OPEN_VOLUME)( + IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This, + OUT EFI_FILE_PROTOCOL **Root + ); + +#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000 + +/// +/// Revision defined in EFI1.1 +/// +#define EFI_FILE_IO_INTERFACE_REVISION EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION + +struct _EFI_SIMPLE_FILE_SYSTEM_PROTOCOL { + /// + /// The version of the EFI_SIMPLE_FILE_SYSTEM_PROTOCOL. The version + /// specified by this specification is 0x00010000. All future revisions + /// must be backwards compatible. + /// + UINT64 Revision; + EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_OPEN_VOLUME OpenVolume; +}; + +/** + 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_OPEN)( + IN EFI_FILE_PROTOCOL *This, + OUT EFI_FILE_PROTOCOL **NewHandle, + IN CHAR16 *FileName, + IN UINT64 OpenMode, + IN UINT64 Attributes + ); + +// +// Open modes +// +#define EFI_FILE_MODE_READ 0x0000000000000001ULL +#define EFI_FILE_MODE_WRITE 0x0000000000000002ULL +#define EFI_FILE_MODE_CREATE 0x8000000000000000ULL + +// +// File attributes +// +#define EFI_FILE_READ_ONLY 0x0000000000000001ULL +#define EFI_FILE_HIDDEN 0x0000000000000002ULL +#define EFI_FILE_SYSTEM 0x0000000000000004ULL +#define EFI_FILE_RESERVED 0x0000000000000008ULL +#define EFI_FILE_DIRECTORY 0x0000000000000010ULL +#define EFI_FILE_ARCHIVE 0x0000000000000020ULL +#define EFI_FILE_VALID_ATTR 0x0000000000000037ULL + +/** + 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_CLOSE)( + 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_DELETE)( + 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_READ)( + 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_WRITE)( + IN EFI_FILE_PROTOCOL *This, + IN OUT UINTN *BufferSize, + IN VOID *Buffer + ); + +/** + 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_SET_POSITION)( + IN EFI_FILE_PROTOCOL *This, + IN UINT64 Position + ); + +/** + 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_GET_POSITION)( + IN EFI_FILE_PROTOCOL *This, + OUT UINT64 *Position + ); + +/** + 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. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_GET_INFO)( + IN EFI_FILE_PROTOCOL *This, + IN EFI_GUID *InformationType, + IN OUT UINTN *BufferSize, + OUT VOID *Buffer + ); + +/** + Sets information about a file. + + @param File 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_SET_INFO)( + IN EFI_FILE_PROTOCOL *This, + IN EFI_GUID *InformationType, + IN UINTN BufferSize, + IN VOID *Buffer + ); + +/** + 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_FLUSH)( + IN EFI_FILE_PROTOCOL *This + ); + +typedef struct { + // + // If Event is NULL, then blocking I/O is performed. + // If Event is not NULL and non-blocking I/O is supported, then non-blocking I/O is performed, + // and Event will be signaled when the read request is completed. + // The caller must be prepared to handle the case where the callback associated with Event + // occurs before the original asynchronous I/O request call returns. + // + EFI_EVENT Event; + + // + // Defines whether or not the signaled event encountered an error. + // + EFI_STATUS Status; + + // + // For OpenEx(): Not Used, ignored. + // For ReadEx(): 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. + // For WriteEx(): On input, the size of the Buffer. On output, the amount of data actually written. + // In both cases, the size is measured in bytes. + // For FlushEx(): Not used, ignored. + // + UINTN BufferSize; + + // + // For OpenEx(): Not Used, ignored. + // For ReadEx(): The buffer into which the data is read. + // For WriteEx(): The buffer of data to write. + // For FlushEx(): Not Used, ignored. + // + VOID *Buffer; +} EFI_FILE_IO_TOKEN; + +/** + Opens a new file relative to the source directory's location. + + @param This A pointer to the EFI_FILE_PROTOCOL instance that is the file + handle to the source location. + @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. + @param Token A pointer to the token associated with the transaction. + + @retval EFI_SUCCESS If Event is NULL (blocking I/O): The data was read successfully. + If Event is not NULL (asynchronous I/O): The request was successfully + queued for processing. + @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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_OPEN_EX)( + IN EFI_FILE_PROTOCOL *This, + OUT EFI_FILE_PROTOCOL **NewHandle, + IN CHAR16 *FileName, + IN UINT64 OpenMode, + IN UINT64 Attributes, + IN OUT EFI_FILE_IO_TOKEN *Token + ); + + +/** + 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 Token A pointer to the token associated with the transaction. + + @retval EFI_SUCCESS If Event is NULL (blocking I/O): The data was read successfully. + If Event is not NULL (asynchronous I/O): The request was successfully + queued for processing. + @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_OUT_OF_RESOURCES Unable to queue the request due to lack of resources. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_READ_EX) ( + IN EFI_FILE_PROTOCOL *This, + IN OUT EFI_FILE_IO_TOKEN *Token +); + + +/** + 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 Token A pointer to the token associated with the transaction. + + @retval EFI_SUCCESS If Event is NULL (blocking I/O): The data was read successfully. + If Event is not NULL (asynchronous I/O): The request was successfully + queued for processing. + @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. + @retval EFI_OUT_OF_RESOURCES Unable to queue the request due to lack of resources. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_WRITE_EX) ( + IN EFI_FILE_PROTOCOL *This, + IN OUT EFI_FILE_IO_TOKEN *Token +); + +/** + 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. + @param Token A pointer to the token associated with the transaction. + + @retval EFI_SUCCESS If Event is NULL (blocking I/O): The data was read successfully. + If Event is not NULL (asynchronous I/O): The request was successfully + queued for processing. + @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. + @retval EFI_OUT_OF_RESOURCES Unable to queue the request due to lack of resources. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_FILE_FLUSH_EX) ( + IN EFI_FILE_PROTOCOL *This, + IN OUT EFI_FILE_IO_TOKEN *Token + ); + +#define EFI_FILE_PROTOCOL_REVISION 0x00010000 +#define EFI_FILE_PROTOCOL_REVISION2 0x00020000 +#define EFI_FILE_PROTOCOL_LATEST_REVISION EFI_FILE_PROTOCOL_REVISION2 + +// +// Revision defined in EFI1.1. +// +#define EFI_FILE_REVISION EFI_FILE_PROTOCOL_REVISION + +/// +/// The EFI_FILE_PROTOCOL provides file IO access to supported file systems. +/// An EFI_FILE_PROTOCOL provides access to a file's or directory's contents, +/// and is also a reference to a location in the directory tree of the file system +/// in which the file resides. With any given file handle, other files may be opened +/// relative to this file's location, yielding new file handles. +/// +struct _EFI_FILE_PROTOCOL { + /// + /// The version of the EFI_FILE_PROTOCOL interface. The version specified + /// by this specification is EFI_FILE_PROTOCOL_LATEST_REVISION. + /// Future versions are required to be backward compatible to version 1.0. + /// + UINT64 Revision; + EFI_FILE_OPEN Open; + EFI_FILE_CLOSE Close; + EFI_FILE_DELETE Delete; + EFI_FILE_READ Read; + EFI_FILE_WRITE Write; + EFI_FILE_GET_POSITION GetPosition; + EFI_FILE_SET_POSITION SetPosition; + EFI_FILE_GET_INFO GetInfo; + EFI_FILE_SET_INFO SetInfo; + EFI_FILE_FLUSH Flush; + EFI_FILE_OPEN_EX OpenEx; + EFI_FILE_READ_EX ReadEx; + EFI_FILE_WRITE_EX WriteEx; + EFI_FILE_FLUSH_EX FlushEx; +}; + + +extern EFI_GUID gEfiSimpleFileSystemProtocolGuid; + +#endif |