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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/include/mtd/nftl-user.h
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/*

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 * Copyright © 1999-2010 David Woodhouse <[email protected]>

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 *

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License as published by

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 * the Free Software Foundation; either version 2 of the License, or

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 * (at your option) any later version.

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 *

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 * This program is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 * GNU General Public License for more details.

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 *

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 * You should have received a copy of the GNU General Public License

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 * along with this program; if not, write to the Free Software

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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

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 *

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 */

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#ifndef __MTD_NFTL_USER_H__

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#define __MTD_NFTL_USER_H__

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#include <linux/types.h>

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/* Block Control Information */

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struct nftl_bci {

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	unsigned char ECCSig[6];

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	__u8 Status;

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	__u8 Status1;

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}__attribute__((packed));

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/* Unit Control Information */

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struct nftl_uci0 {

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	__u16 VirtUnitNum;

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	__u16 ReplUnitNum;

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	__u16 SpareVirtUnitNum;

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	__u16 SpareReplUnitNum;

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} __attribute__((packed));

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struct nftl_uci1 {

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	__u32 WearInfo;

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	__u16 EraseMark;

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	__u16 EraseMark1;

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} __attribute__((packed));

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struct nftl_uci2 {

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        __u16 FoldMark;

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        __u16 FoldMark1;

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	__u32 unused;

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} __attribute__((packed));

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union nftl_uci {

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	struct nftl_uci0 a;

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	struct nftl_uci1 b;

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	struct nftl_uci2 c;

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};

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struct nftl_oob {

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	struct nftl_bci b;

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	union nftl_uci u;

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};

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/* NFTL Media Header */

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struct NFTLMediaHeader {

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	char DataOrgID[6];

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	__u16 NumEraseUnits;

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	__u16 FirstPhysicalEUN;

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	__u32 FormattedSize;

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	unsigned char UnitSizeFactor;

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} __attribute__((packed));

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#define MAX_ERASE_ZONES (8192 - 512)

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#define ERASE_MARK 0x3c69

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#define SECTOR_FREE 0xff

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#define SECTOR_USED 0x55

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#define SECTOR_IGNORE 0x11

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#define SECTOR_DELETED 0x00

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#define FOLD_MARK_IN_PROGRESS 0x5555

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#define ZONE_GOOD 0xff

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#define ZONE_BAD_ORIGINAL 0

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#define ZONE_BAD_MARKED 7

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#endif /* __MTD_NFTL_USER_H__ */

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