| 21b50a27 |
1 | /** @file\r |
| 2 | EFI_TAPE_IO_PROTOCOL as defined in the UEFI 2.0.\r |
| 3 | Provide services to control and access a tape device.\r |
| 4 | \r |
| 5 | Copyright (c) 2006, Intel Corporation \r |
| 6 | All rights reserved. This program and the accompanying materials \r |
| 7 | are licensed and made available under the terms and conditions of the BSD License \r |
| 8 | which accompanies this distribution. The full text of the license may be found at \r |
| 9 | http://opensource.org/licenses/bsd-license.php \r |
| 10 | \r |
| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 13 | \r |
| 14 | Module Name: TapeIo.h\r |
| 15 | \r |
| 16 | **/\r |
| 17 | \r |
| 18 | #ifndef __EFI_TAPE_IO_PROTOCOL_H__\r |
| 19 | #define __EFI_TAPE_IO_PROTOCOL_H__\r |
| 20 | \r |
| 21 | #define EFI_TAPE_IO_PROTOCOL_GUID \\r |
| 22 | { \\r |
| 23 | 0x1e93e633, 0xd65a, 0x459e, {0xab, 0x84, 0x93, 0xd9, 0xec, 0x26, 0x6d, 0x18 } \\r |
| 24 | }\r |
| 25 | \r |
| 26 | typedef struct _EFI_TAPE_IO_PROTOCOL EFI_TAPE_IO_PROTOCOL;\r |
| 27 | \r |
| 28 | typedef struct {\r |
| 29 | UINT64 Signature;\r |
| 30 | UINT32 Revision;\r |
| 31 | UINT32 BootDescSize;\r |
| 32 | UINT32 BootDescCRC;\r |
| 33 | EFI_GUID TapeGUID;\r |
| 34 | EFI_GUID TapeType;\r |
| 35 | EFI_GUID TapeUnique;\r |
| 36 | UINT32 BLLocation;\r |
| 37 | UINT32 BLBlocksize;\r |
| 38 | UINT32 BLFilesize;\r |
| 39 | CHAR8 OSVersion[40];\r |
| 40 | CHAR8 AppVersion[40];\r |
| 41 | CHAR8 CreationDate[10];\r |
| 42 | CHAR8 CreationTime[10];\r |
| 43 | CHAR8 SystemName[256]; // UTF-8\r |
| 44 | CHAR8 TapeTitle[120]; // UTF-8\r |
| 45 | CHAR8 pad[468]; // pad to 1024\r |
| 46 | } TAPE_HEADER;\r |
| 47 | \r |
| 48 | /**\r |
| 49 | Reads from the tape.\r |
| 50 | \r |
| 51 | @param This A pointer to the EFI_TAPE_IO_PROTOCOL instance.\r |
| 52 | @param BufferSize Size of the buffer in bytes pointed to by Buffer.\r |
| 53 | @param Buffer Pointer to the buffer for data to be read into.\r |
| 54 | \r |
| 55 | @retval EFI_SUCCESS Data was successfully transferred from the media.\r |
| 56 | @retval EFI_END_OF_FILE A filemark was encountered which limited the data\r |
| 57 | transferred by the read operation or the head is positioned\r |
| 58 | just after a filemark.\r |
| 59 | @retval EFI_NO_MEDIA No media is loaded in the device.\r |
| 60 | @retval EFI_NOT_READY The transfer failed since the device was not ready (e.g. not\r |
| 61 | online). The transfer may be retried at a later time.\r |
| 62 | @retval EFI_UNSUPPORTED The device does not support this type of transfer.\r |
| 63 | @retval EFI_TIMEOUT The transfer failed to complete within the timeout specified.\r |
| 64 | @retval EFI_MEDIA_CHANGED The media in the device was changed since the last access.\r |
| 65 | The transfer was aborted since the current position of the\r |
| 66 | media may be incorrect.\r |
| 67 | @retval EFI_INVALID_PARAMETER A NULL Buffer was specified with a non-zero\r |
| 68 | BufferSize or the device is operating in fixed block\r |
| 69 | size mode and the BufferSize was not a multiple of\r |
| 70 |
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