OpenCloudOS-Kernel/drivers/nvdimm/btt.h

46 lines
1.0 KiB
C

/*
* Block Translation Table library
* Copyright (c) 2014-2015, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef _LINUX_BTT_H
#define _LINUX_BTT_H
#include <linux/types.h>
#define BTT_SIG_LEN 16
#define BTT_SIG "BTT_ARENA_INFO\0"
struct btt_sb {
u8 signature[BTT_SIG_LEN];
u8 uuid[16];
u8 parent_uuid[16];
__le32 flags;
__le16 version_major;
__le16 version_minor;
__le32 external_lbasize;
__le32 external_nlba;
__le32 internal_lbasize;
__le32 internal_nlba;
__le32 nfree;
__le32 infosize;
__le64 nextoff;
__le64 dataoff;
__le64 mapoff;
__le64 logoff;
__le64 info2off;
u8 padding[3968];
__le64 checksum;
};
#endif