Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/uapi/mtd/nftl-user.h
29278 views
1
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */

2
/*

3
 * Copyright © 1999-2010 David Woodhouse <[email protected]>

4
 *

5
 * This program is free software; you can redistribute it and/or modify

6
 * it under the terms of the GNU General Public License as published by

7
 * the Free Software Foundation; either version 2 of the License, or

8
 * (at your option) any later version.

9
 *

10
 * This program is distributed in the hope that it will be useful,

11
 * but WITHOUT ANY WARRANTY; without even the implied warranty of

12
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

13
 * GNU General Public License for more details.

14
 *

15
 * You should have received a copy of the GNU General Public License

16
 * along with this program; if not, write to the Free Software

17
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

18
 *

19
 */

20


21
#ifndef __MTD_NFTL_USER_H__

22
#define __MTD_NFTL_USER_H__

23


24
#include <linux/types.h>

25


26
/* Block Control Information */

27


28
struct nftl_bci {

29
	unsigned char ECCSig[6];

30
	__u8 Status;

31
	__u8 Status1;

32
}__attribute__((packed));

33


34
/* Unit Control Information */

35


36
struct nftl_uci0 {

37
	__u16 VirtUnitNum;

38
	__u16 ReplUnitNum;

39
	__u16 SpareVirtUnitNum;

40
	__u16 SpareReplUnitNum;

41
} __attribute__((packed));

42


43
struct nftl_uci1 {

44
	__u32 WearInfo;

45
	__u16 EraseMark;

46
	__u16 EraseMark1;

47
} __attribute__((packed));

48


49
struct nftl_uci2 {

50
        __u16 FoldMark;

51
        __u16 FoldMark1;

52
	__u32 unused;

53
} __attribute__((packed));

54


55
union nftl_uci {

56
	struct nftl_uci0 a;

57
	struct nftl_uci1 b;

58
	struct nftl_uci2 c;

59
};

60


61
struct nftl_oob {

62
	struct nftl_bci b;

63
	union nftl_uci u;

64
};

65


66
/* NFTL Media Header */

67


68
struct NFTLMediaHeader {

69
	char DataOrgID[6];

70
	__u16 NumEraseUnits;

71
	__u16 FirstPhysicalEUN;

72
	__u32 FormattedSize;

73
	unsigned char UnitSizeFactor;

74
} __attribute__((packed));

75


76
#define MAX_ERASE_ZONES (8192 - 512)

77


78
#define ERASE_MARK 0x3c69

79
#define SECTOR_FREE 0xff

80
#define SECTOR_USED 0x55

81
#define SECTOR_IGNORE 0x11

82
#define SECTOR_DELETED 0x00

83


84
#define FOLD_MARK_IN_PROGRESS 0x5555

85


86
#define ZONE_GOOD 0xff

87
#define ZONE_BAD_ORIGINAL 0

88
#define ZONE_BAD_MARKED 7

89


90


91
#endif /* __MTD_NFTL_USER_H__ */

92


93