diff options
Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/TapeIo.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/TapeIo.h | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/TapeIo.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/TapeIo.h new file mode 100644 index 0000000000..74c7b3f658 --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/TapeIo.h @@ -0,0 +1,237 @@ +/** @file + EFI_TAPE_IO_PROTOCOL as defined in the UEFI 2.0. + Provide services to control and access a tape device. + +Copyright (c) 2006 - 2010, 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 __EFI_TAPE_IO_PROTOCOL_H__ +#define __EFI_TAPE_IO_PROTOCOL_H__ + +#define EFI_TAPE_IO_PROTOCOL_GUID \ + { \ + 0x1e93e633, 0xd65a, 0x459e, {0xab, 0x84, 0x93, 0xd9, 0xec, 0x26, 0x6d, 0x18 } \ + } + +typedef struct _EFI_TAPE_IO_PROTOCOL EFI_TAPE_IO_PROTOCOL; + +typedef struct _EFI_TAPE_HEADER { + UINT64 Signature; + UINT32 Revision; + UINT32 BootDescSize; + UINT32 BootDescCRC; + EFI_GUID TapeGUID; + EFI_GUID TapeType; + EFI_GUID TapeUnique; + UINT32 BLLocation; + UINT32 BLBlocksize; + UINT32 BLFilesize; + CHAR8 OSVersion[40]; + CHAR8 AppVersion[40]; + CHAR8 CreationDate[10]; + CHAR8 CreationTime[10]; + CHAR8 SystemName[256]; // UTF-8 + CHAR8 TapeTitle[120]; // UTF-8 + CHAR8 pad[468]; // pad to 1024 +} EFI_TAPE_HEADER; + +/** + Reads from the tape. + + @param This A pointer to the EFI_TAPE_IO_PROTOCOL instance. + @param BufferSize The size of the buffer in bytes pointed to by Buffer. + @param Buffer The pointer to the buffer for data to be read into. + + @retval EFI_SUCCESS Data was successfully transferred from the media. + @retval EFI_END_OF_FILE A filemark was encountered which limited the data + transferred by the read operation or the head is positioned + just after a filemark. + @retval EFI_NO_MEDIA No media is loaded in the device. + @retval EFI_NOT_READY The transfer failed since the device was not ready (e.g. not + online). The transfer may be retried at a later time. + @retval EFI_UNSUPPORTED The device does not support this type of transfer. + @retval EFI_TIMEOUT The transfer failed to complete within the timeout specified. + @retval EFI_MEDIA_CHANGED The media in the device was changed since the last access. + The transfer was aborted since the current position of the + media may be incorrect. + @retval EFI_INVALID_PARAMETER A NULL Buffer was specified with a non-zero + BufferSize, or the device is operating in fixed block + size mode and the BufferSize was not a multiple of + device's fixed block size + @retval EFI_DEVICE_ERROR A device error occurred while attempting to transfer data + from the media. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TAPE_READ)( + IN EFI_TAPE_IO_PROTOCOL *This, + IN OUT UINTN *BufferSize, + OUT VOID *Buffer + ); + +/** + Writes to the tape. + + @param This A pointer to the EFI_TAPE_IO_PROTOCOL instance. + @param BufferSize Size of the buffer in bytes pointed to by Buffer. + @param Buffer The pointer to the buffer for data to be written from. + + @retval EFI_SUCCESS Data was successfully transferred to the media. + @retval EFI_END_OF_MEDIA The logical end of media has been reached. Data may have + been successfully transferred to the media. + @retval EFI_NO_MEDIA No media is loaded in the device. + @retval EFI_NOT_READY The transfer failed since the device was not ready (e.g. not + online). The transfer may be retried at a later time. + @retval EFI_UNSUPPORTED The device does not support this type of transfer. + @retval EFI_TIMEOUT The transfer failed to complete within the timeout specified. + @retval EFI_MEDIA_CHANGED The media in the device was changed since the last access. + The transfer was aborted since the current position of the + media may be incorrect. + @retval EFI_WRITE_PROTECTED The media in the device is write-protected. The transfer + was aborted since a write cannot be completed. + @retval EFI_INVALID_PARAMETER A NULL Buffer was specified with a non-zero + BufferSize, or the device is operating in fixed block + size mode and the BufferSize was not a multiple of + device's fixed block size + @retval EFI_DEVICE_ERROR A device error occurred while attempting to transfer data + from the media. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TAPE_WRITE)( + IN EFI_TAPE_IO_PROTOCOL *This, + IN UINTN *BufferSize, + IN VOID *Buffer + ); + + +/** + Rewinds the tape. + + @param This A pointer to the EFI_TAPE_IO_PROTOCOL instance. + + @retval EFI_SUCCESS The media was successfully repositioned. + @retval EFI_NO_MEDIA No media is loaded in the device. + @retval EFI_NOT_READY Repositioning the media failed since the device was not + ready (e.g. not online). The transfer may be retried at a later time. + @retval EFI_UNSUPPORTED The device does not support this type of media repositioning. + @retval EFI_TIMEOUT Repositioning of the media did not complete within the timeout specified. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to reposition the media. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TAPE_REWIND)( + IN EFI_TAPE_IO_PROTOCOL *This + ); + + +/** + Positions the tape. + + @param This A pointer to the EFI_TAPE_IO_PROTOCOL instance. + @param Direction Direction and number of data blocks or filemarks to space over on media. + @param Type Type of mark to space over on media. + The following Type marks are mandatory: + BLOCK type : 0 + FILEMARK type : 1 + + @retval EFI_SUCCESS The media was successfully repositioned. + @retval EFI_END_OF_MEDIA Beginning or end of media was reached before the + indicated number of data blocks or filemarks were found. + @retval EFI_NO_MEDIA No media is loaded in the device. + @retval EFI_NOT_READY The reposition failed since the device was not ready (e.g. not + online). The reposition may be retried at a later time. + @retval EFI_UNSUPPORTED The device does not support this type of repositioning. + @retval EFI_TIMEOUT The repositioning failed to complete within the timeout specified. + @retval EFI_MEDIA_CHANGED The media in the device was changed since the last access. + Repositioning the media was aborted since the current + position of the media may be incorrect. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to reposition the media. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TAPE_SPACE)( + IN EFI_TAPE_IO_PROTOCOL *This, + IN INTN Direction, + IN UINTN Type + ); + + +/** + Writes filemarks to the media. + + @param This A pointer to the EFI_TAPE_IO_PROTOCOL instance. + @param Count Number of filemarks to write to the media. + + @retval EFI_SUCCESS Data was successfully transferred from the media. + @retval EFI_NO_MEDIA No media is loaded in the device. + @retval EFI_NOT_READY The transfer failed since the device was not ready (e.g. not + online). The transfer may be retried at a later time. + @retval EFI_UNSUPPORTED The device does not support this type of repositioning. + @retval EFI_TIMEOUT The transfer failed to complete within the timeout specified. + @retval EFI_MEDIA_CHANGED The media in the device was changed since the last access. + The transfer was aborted since the current position of the + media may be incorrect. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to transfer data from the media. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TAPE_WRITEFM)( + IN EFI_TAPE_IO_PROTOCOL *This, + IN UINTN Count + ); + + +/** + Resets the tape device. + + @param This A pointer to the EFI_TAPE_IO_PROTOCOL instance. + @param ExtendedVerification Indicates whether the parent bus should also be reset. + + @retval EFI_SUCCESS The bus and/or device were successfully reset. + @retval EFI_NO_MEDIA No media is loaded in the device. + @retval EFI_NOT_READY The reset failed since the device and/or bus was not ready. + The reset may be retried at a later time. + @retval EFI_UNSUPPORTED The device does not support this type of reset. + @retval EFI_TIMEOUT The reset did not complete within the timeout allowed. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the bus and/or device. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_TAPE_RESET)( + IN EFI_TAPE_IO_PROTOCOL *This, + IN BOOLEAN ExtendedVerification + ); + +/// +/// The EFI_TAPE_IO_PROTOCOL provides basic sequential operations for tape devices. +/// These include read, write, rewind, space, write filemarks and reset functions. +/// Per this specification, a boot application uses the services of this protocol +/// to load the bootloader image from tape. +/// +struct _EFI_TAPE_IO_PROTOCOL { + EFI_TAPE_READ TapeRead; + EFI_TAPE_WRITE TapeWrite; + EFI_TAPE_REWIND TapeRewind; + EFI_TAPE_SPACE TapeSpace; + EFI_TAPE_WRITEFM TapeWriteFM; + EFI_TAPE_RESET TapeReset; +}; + +extern EFI_GUID gEfiTapeIoProtocolGuid; + +#endif |