| Dan Williams | 8c2f7e8 | 2015-06-25 04:20:04 -0400 | [diff] [blame^] | 1 | /* |
| 2 | * Block Translation Table library |
| 3 | * Copyright (c) 2014-2015, Intel Corporation. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms and conditions of the GNU General Public License, |
| 7 | * version 2, as published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | */ |
| 14 | |
| 15 | #ifndef _LINUX_BTT_H |
| 16 | #define _LINUX_BTT_H |
| 17 | |
| 18 | #include <linux/types.h> |
| 19 | |
| 20 | #define BTT_SIG_LEN 16 |
| 21 | #define BTT_SIG "BTT_ARENA_INFO\0" |
| 22 | |
| 23 | struct btt_sb { |
| 24 | u8 signature[BTT_SIG_LEN]; |
| 25 | u8 uuid[16]; |
| 26 | u8 parent_uuid[16]; |
| 27 | __le32 flags; |
| 28 | __le16 version_major; |
| 29 | __le16 version_minor; |
| 30 | __le32 external_lbasize; |
| 31 | __le32 external_nlba; |
| 32 | __le32 internal_lbasize; |
| 33 | __le32 internal_nlba; |
| 34 | __le32 nfree; |
| 35 | __le32 infosize; |
| 36 | __le64 nextoff; |
| 37 | __le64 dataoff; |
| 38 | __le64 mapoff; |
| 39 | __le64 logoff; |
| 40 | __le64 info2off; |
| 41 | u8 padding[3968]; |
| 42 | __le64 checksum; |
| 43 | }; |
| 44 | |
| 45 | #endif |