Eric Lee / smarc-fsl-linux-kernel

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include/mtd/inftl-user.h 1.54 KB
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1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  /*
e4f0648fb   Thomas Gleixner   [MTD] user-abi: C... 
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   * Parts of INFTL headers shared with userspace
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   *
   */
  
  #ifndef __MTD_INFTL_USER_H__
  #define __MTD_INFTL_USER_H__
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  #include <linux/types.h>
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  #define	OSAK_VERSION	0x5120
  #define	PERCENTUSED	98
  
  #define	SECTORSIZE	512
  
  /* Block Control Information */
  
  struct inftl_bci {
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  	__u8 ECCsig[6];
  	__u8 Status;
  	__u8 Status1;
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  } __attribute__((packed));
  
  struct inftl_unithead1 {
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  	__u16 virtualUnitNo;
  	__u16 prevUnitNo;
  	__u8 ANAC;
  	__u8 NACs;
  	__u8 parityPerField;
  	__u8 discarded;
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  } __attribute__((packed));
  
  struct inftl_unithead2 {
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  	__u8 parityPerField;
  	__u8 ANAC;
  	__u16 prevUnitNo;
  	__u16 virtualUnitNo;
  	__u8 NACs;
  	__u8 discarded;
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  } __attribute__((packed));
  
  struct inftl_unittail {
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  	__u8 Reserved[4];
  	__u16 EraseMark;
  	__u16 EraseMark1;
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  } __attribute__((packed));
  
  union inftl_uci {
  	struct inftl_unithead1 a;
  	struct inftl_unithead2 b;
  	struct inftl_unittail c;
  };
  
  struct inftl_oob {
  	struct inftl_bci b;
  	union inftl_uci u;
  };
  
  
  /* INFTL Media Header */
  
  struct INFTLPartition {
  	__u32 virtualUnits;
  	__u32 firstUnit;
  	__u32 lastUnit;
  	__u32 flags;
  	__u32 spareUnits;
  	__u32 Reserved0;
  	__u32 Reserved1;
  } __attribute__((packed));
  
  struct INFTLMediaHeader {
  	char bootRecordID[8];
  	__u32 NoOfBootImageBlocks;
  	__u32 NoOfBinaryPartitions;
  	__u32 NoOfBDTLPartitions;
  	__u32 BlockMultiplierBits;
  	__u32 FormatFlags;
  	__u32 OsakVersion;
  	__u32 PercentUsed;
  	struct INFTLPartition Partitions[4];
  } __attribute__((packed));
  
  /* Partition flag types */
  #define	INFTL_BINARY	0x20000000
  #define	INFTL_BDTL	0x40000000
  #define	INFTL_LAST	0x80000000
  
  #endif /* __MTD_INFTL_USER_H__ */