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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/uapi/mtd/inftl-user.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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/*

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 * Parts of INFTL headers shared with userspace

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 *

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 */

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#ifndef __MTD_INFTL_USER_H__

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#define __MTD_INFTL_USER_H__

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#include <linux/types.h>

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#define	OSAK_VERSION	0x5120

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#define	PERCENTUSED	98

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#define	SECTORSIZE	512

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/* Block Control Information */

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struct inftl_bci {

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	__u8 ECCsig[6];

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	__u8 Status;

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	__u8 Status1;

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} __attribute__((packed));

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struct inftl_unithead1 {

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	__u16 virtualUnitNo;

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	__u16 prevUnitNo;

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	__u8 ANAC;

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	__u8 NACs;

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	__u8 parityPerField;

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	__u8 discarded;

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} __attribute__((packed));

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struct inftl_unithead2 {

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	__u8 parityPerField;

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	__u8 ANAC;

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	__u16 prevUnitNo;

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	__u16 virtualUnitNo;

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	__u8 NACs;

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	__u8 discarded;

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} __attribute__((packed));

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struct inftl_unittail {

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	__u8 Reserved[4];

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	__u16 EraseMark;

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	__u16 EraseMark1;

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} __attribute__((packed));

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union inftl_uci {

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	struct inftl_unithead1 a;

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	struct inftl_unithead2 b;

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	struct inftl_unittail c;

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};

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struct inftl_oob {

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	struct inftl_bci b;

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	union inftl_uci u;

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};

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/* INFTL Media Header */

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struct INFTLPartition {

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	__u32 virtualUnits;

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	__u32 firstUnit;

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	__u32 lastUnit;

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	__u32 flags;

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	__u32 spareUnits;

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	__u32 Reserved0;

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	__u32 Reserved1;

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} __attribute__((packed));

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struct INFTLMediaHeader {

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	char bootRecordID[8];

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	__u32 NoOfBootImageBlocks;

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	__u32 NoOfBinaryPartitions;

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	__u32 NoOfBDTLPartitions;

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	__u32 BlockMultiplierBits;

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	__u32 FormatFlags;

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	__u32 OsakVersion;

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	__u32 PercentUsed;

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	struct INFTLPartition Partitions[4];

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} __attribute__((packed));

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/* Partition flag types */

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#define	INFTL_BINARY	0x20000000

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#define	INFTL_BDTL	0x40000000

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#define	INFTL_LAST	0x80000000

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#endif /* __MTD_INFTL_USER_H__ */

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