--- /dev/null
+/*
+ * JFFS2 -- Journalling Flash File System, Version 2.
+ *
+ * Copyright (C) 2001-2003 Red Hat, Inc.
+ *
+ * Created by David Woodhouse <dwmw2@infradead.org>
+ *
+ * For licensing information, see the file 'LICENCE' in the
+ * jffs2 directory.
+ *
+ * $Id: jffs2.h,v 1.38 2005/09/26 11:37:23 havasi Exp $
+ *
+ */
+
+#ifndef __LINUX_JFFS2_H__
+#define __LINUX_JFFS2_H__
+
+/* You must include something which defines the C99 uintXX_t types.
+ We don't do it from here because this file is used in too many
+ different environments. */
+
+#define JFFS2_SUPER_MAGIC 0x72b6
+
+/* Values we may expect to find in the 'magic' field */
+#define JFFS2_OLD_MAGIC_BITMASK 0x1984
+#define JFFS2_MAGIC_BITMASK 0x1985
+#define KSAMTIB_CIGAM_2SFFJ 0x8519 /* For detecting wrong-endian fs */
+#define JFFS2_EMPTY_BITMASK 0xffff
+#define JFFS2_DIRTY_BITMASK 0x0000
+
+/* Summary node MAGIC marker */
+#define JFFS2_SUM_MAGIC 0x02851885
+
+/* We only allow a single char for length, and 0xFF is empty flash so
+ we don't want it confused with a real length. Hence max 254.
+*/
+#define JFFS2_MAX_NAME_LEN 254
+
+/* How small can we sensibly write nodes? */
+#define JFFS2_MIN_DATA_LEN 128
+
+#define JFFS2_COMPR_NONE 0x00
+#define JFFS2_COMPR_ZERO 0x01
+#define JFFS2_COMPR_RTIME 0x02
+#define JFFS2_COMPR_RUBINMIPS 0x03
+#define JFFS2_COMPR_COPY 0x04
+#define JFFS2_COMPR_DYNRUBIN 0x05
+#define JFFS2_COMPR_ZLIB 0x06
+/* Compatibility flags. */
+#define JFFS2_COMPAT_MASK 0xc000 /* What do to if an unknown nodetype is found */
+#define JFFS2_NODE_ACCURATE 0x2000
+/* INCOMPAT: Fail to mount the filesystem */
+#define JFFS2_FEATURE_INCOMPAT 0xc000
+/* ROCOMPAT: Mount read-only */
+#define JFFS2_FEATURE_ROCOMPAT 0x8000
+/* RWCOMPAT_COPY: Mount read/write, and copy the node when it's GC'd */
+#define JFFS2_FEATURE_RWCOMPAT_COPY 0x4000
+/* RWCOMPAT_DELETE: Mount read/write, and delete the node when it's GC'd */
+#define JFFS2_FEATURE_RWCOMPAT_DELETE 0x0000
+
+#define JFFS2_NODETYPE_DIRENT (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 1)
+#define JFFS2_NODETYPE_INODE (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 2)
+#define JFFS2_NODETYPE_CLEANMARKER (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 3)
+#define JFFS2_NODETYPE_PADDING (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 4)
+
+#define JFFS2_NODETYPE_SUMMARY (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 6)
+
+// Maybe later...
+//#define JFFS2_NODETYPE_CHECKPOINT (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 3)
+//#define JFFS2_NODETYPE_OPTIONS (JFFS2_FEATURE_RWCOMPAT_COPY | JFFS2_NODE_ACCURATE | 4)
+
+
+#define JFFS2_INO_FLAG_PREREAD 1 /* Do read_inode() for this one at
+ mount time, don't wait for it to
+ happen later */
+#define JFFS2_INO_FLAG_USERCOMPR 2 /* User has requested a specific
+ compression type */
+
+
+/* These can go once we've made sure we've caught all uses without
+ byteswapping */
+
+typedef struct {
+ uint32_t v32;
+} __attribute__((packed)) jint32_t;
+
+typedef struct {
+ uint32_t m;
+} __attribute__((packed)) jmode_t;
+
+typedef struct {
+ uint16_t v16;
+} __attribute__((packed)) jint16_t;
+
+struct jffs2_unknown_node
+{
+ /* All start like this */
+ jint16_t magic;
+ jint16_t nodetype;
+ jint32_t totlen; /* So we can skip over nodes we don't grok */
+ jint32_t hdr_crc;
+} __attribute__((packed));
+
+struct jffs2_raw_dirent
+{
+ jint16_t magic;
+ jint16_t nodetype; /* == JFFS2_NODETYPE_DIRENT */
+ jint32_t totlen;
+ jint32_t hdr_crc;
+ jint32_t pino;
+ jint32_t version;
+ jint32_t ino; /* == zero for unlink */
+ jint32_t mctime;
+ uint8_t nsize;
+ uint8_t type;
+ uint8_t unused[2];
+ jint32_t node_crc;
+ jint32_t name_crc;
+ uint8_t name[0];
+} __attribute__((packed));
+
+/* The JFFS2 raw inode structure: Used for storage on physical media. */
+/* The uid, gid, atime, mtime and ctime members could be longer, but
+ are left like this for space efficiency. If and when people decide
+ they really need them extended, it's simple enough to add support for
+ a new type of raw node.
+*/
+struct jffs2_raw_inode
+{
+ jint16_t magic; /* A constant magic number. */
+ jint16_t nodetype; /* == JFFS2_NODETYPE_INODE */
+ jint32_t totlen; /* Total length of this node (inc data, etc.) */
+ jint32_t hdr_crc;
+ jint32_t ino; /* Inode number. */
+ jint32_t version; /* Version number. */
+ jmode_t mode; /* The file's type or mode. */
+ jint16_t uid; /* The file's owner. */
+ jint16_t gid; /* The file's group. */
+ jint32_t isize; /* Total resultant size of this inode (used for truncations) */
+ jint32_t atime; /* Last access time. */
+ jint32_t mtime; /* Last modification time. */
+ jint32_t ctime; /* Change time. */
+ jint32_t offset; /* Where to begin to write. */
+ jint32_t csize; /* (Compressed) data size */
+ jint32_t dsize; /* Size of the node's data. (after decompression) */
+ uint8_t compr; /* Compression algorithm used */
+ uint8_t usercompr; /* Compression algorithm requested by the user */
+ jint16_t flags; /* See JFFS2_INO_FLAG_* */
+ jint32_t data_crc; /* CRC for the (compressed) data. */
+ jint32_t node_crc; /* CRC for the raw inode (excluding data) */
+ uint8_t data[0];
+} __attribute__((packed));
+
+struct jffs2_raw_summary
+{
+ jint16_t magic;
+ jint16_t nodetype; /* = JFFS2_NODETYPE_SUMMARY */
+ jint32_t totlen;
+ jint32_t hdr_crc;
+ jint32_t sum_num; /* number of sum entries*/
+ jint32_t cln_mkr; /* clean marker size, 0 = no cleanmarker */
+ jint32_t padded; /* sum of the size of padding nodes */
+ jint32_t sum_crc; /* summary information crc */
+ jint32_t node_crc; /* node crc */
+ jint32_t sum[0]; /* inode summary info */
+} __attribute__((packed));
+
+union jffs2_node_union
+{
+ struct jffs2_raw_inode i;
+ struct jffs2_raw_dirent d;
+ struct jffs2_raw_summary s;
+ struct jffs2_unknown_node u;
+};
+
+#endif /* __LINUX_JFFS2_H__ */
--- /dev/null
+/*
+ * $Id: ftl.h,v 1.7 2005/11/07 11:14:54 gleixner Exp $
+ *
+ * Derived from (and probably identical to):
+ * ftl.h 1.7 1999/10/25 20:23:17
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License
+ * at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * The initial developer of the original code is David A. Hinds
+ * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
+ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU General Public License version 2 (the "GPL"), in
+ * which case the provisions of the GPL are applicable instead of the
+ * above. If you wish to allow the use of your version of this file
+ * only under the terms of the GPL and not to allow others to use
+ * your version of this file under the MPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice and
+ * other provisions required by the GPL. If you do not delete the
+ * provisions above, a recipient may use your version of this file
+ * under either the MPL or the GPL.
+ */
+
+#ifndef __MTD_FTL_USER_H__
+#define __MTD_FTL_USER_H__
+
+typedef struct erase_unit_header_t {
+ u_int8_t LinkTargetTuple[5];
+ u_int8_t DataOrgTuple[10];
+ u_int8_t NumTransferUnits;
+ u_int32_t EraseCount;
+ u_int16_t LogicalEUN;
+ u_int8_t BlockSize;
+ u_int8_t EraseUnitSize;
+ u_int16_t FirstPhysicalEUN;
+ u_int16_t NumEraseUnits;
+ u_int32_t FormattedSize;
+ u_int32_t FirstVMAddress;
+ u_int16_t NumVMPages;
+ u_int8_t Flags;
+ u_int8_t Code;
+ u_int32_t SerialNumber;
+ u_int32_t AltEUHOffset;
+ u_int32_t BAMOffset;
+ u_int8_t Reserved[12];
+ u_int8_t EndTuple[2];
+} erase_unit_header_t;
+
+/* Flags in erase_unit_header_t */
+#define HIDDEN_AREA 0x01
+#define REVERSE_POLARITY 0x02
+#define DOUBLE_BAI 0x04
+
+/* Definitions for block allocation information */
+
+#define BLOCK_FREE(b) ((b) == 0xffffffff)
+#define BLOCK_DELETED(b) (((b) == 0) || ((b) == 0xfffffffe))
+
+#define BLOCK_TYPE(b) ((b) & 0x7f)
+#define BLOCK_ADDRESS(b) ((b) & ~0x7f)
+#define BLOCK_NUMBER(b) ((b) >> 9)
+#define BLOCK_CONTROL 0x30
+#define BLOCK_DATA 0x40
+#define BLOCK_REPLACEMENT 0x60
+#define BLOCK_BAD 0x70
+
+#endif /* __MTD_FTL_USER_H__ */
--- /dev/null
+/*
+ * $Id: inftl-user.h,v 1.2 2005/11/07 11:14:56 gleixner Exp $
+ *
+ * Parts of INFTL headers shared with userspace
+ *
+ */
+
+#ifndef __MTD_INFTL_USER_H__
+#define __MTD_INFTL_USER_H__
+
+#define OSAK_VERSION 0x5120
+#define PERCENTUSED 98
+
+#define SECTORSIZE 512
+
+/* Block Control Information */
+
+struct inftl_bci {
+ uint8_t ECCsig[6];
+ uint8_t Status;
+ uint8_t Status1;
+} __attribute__((packed));
+
+struct inftl_unithead1 {
+ uint16_t virtualUnitNo;
+ uint16_t prevUnitNo;
+ uint8_t ANAC;
+ uint8_t NACs;
+ uint8_t parityPerField;
+ uint8_t discarded;
+} __attribute__((packed));
+
+struct inftl_unithead2 {
+ uint8_t parityPerField;
+ uint8_t ANAC;
+ uint16_t prevUnitNo;
+ uint16_t virtualUnitNo;
+ uint8_t NACs;
+ uint8_t discarded;
+} __attribute__((packed));
+
+struct inftl_unittail {
+ uint8_t Reserved[4];
+ uint16_t EraseMark;
+ uint16_t EraseMark1;
+} __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__ */
+
+
--- /dev/null
+/*
+ * $Id: jffs2-user.h,v 1.1 2004/05/05 11:57:54 dwmw2 Exp $
+ *
+ * JFFS2 definitions for use in user space only
+ */
+
+#ifndef __JFFS2_USER_H__
+#define __JFFS2_USER_H__
+
+/* This file is blessed for inclusion by userspace */
+#include <linux/jffs2.h>
+#include <endian.h>
+#include <byteswap.h>
+
+#undef cpu_to_je16
+#undef cpu_to_je32
+#undef cpu_to_jemode
+#undef je16_to_cpu
+#undef je32_to_cpu
+#undef jemode_to_cpu
+
+extern int target_endian;
+
+#define t16(x) ({ uint16_t __b = (x); (target_endian==__BYTE_ORDER)?__b:bswap_16(__b); })
+#define t32(x) ({ uint32_t __b = (x); (target_endian==__BYTE_ORDER)?__b:bswap_32(__b); })
+
+#define cpu_to_je16(x) ((jint16_t){t16(x)})
+#define cpu_to_je32(x) ((jint32_t){t32(x)})
+#define cpu_to_jemode(x) ((jmode_t){t32(x)})
+
+#define je16_to_cpu(x) (t16((x).v16))
+#define je32_to_cpu(x) (t32((x).v32))
+#define jemode_to_cpu(x) (t32((x).m))
+
+#endif /* __JFFS2_USER_H__ */
--- /dev/null
+/*
+ * $Id: mtd-abi.h,v 1.13 2005/11/07 11:14:56 gleixner Exp $
+ *
+ * Portions of MTD ABI definition which are shared by kernel and user space
+ */
+
+#ifndef __MTD_ABI_H__
+#define __MTD_ABI_H__
+
+#ifndef __KERNEL__ /* Urgh. The whole point of splitting this out into
+ separate files was to avoid #ifdef __KERNEL__ */
+#define __user
+#endif
+
+struct erase_info_user {
+ uint32_t start;
+ uint32_t length;
+};
+
+struct mtd_oob_buf {
+ uint32_t start;
+ uint32_t length;
+ unsigned char __user *ptr;
+};
+
+#define MTD_ABSENT 0
+#define MTD_RAM 1
+#define MTD_ROM 2
+#define MTD_NORFLASH 3
+#define MTD_NANDFLASH 4
+#define MTD_PEROM 5
+#define MTD_DATAFLASH 6
+#define MTD_OTHER 14
+#define MTD_UNKNOWN 15
+
+#define MTD_CLEAR_BITS 1 // Bits can be cleared (flash)
+#define MTD_SET_BITS 2 // Bits can be set
+#define MTD_ERASEABLE 4 // Has an erase function
+#define MTD_WRITEB_WRITEABLE 8 // Direct IO is possible
+#define MTD_VOLATILE 16 // Set for RAMs
+#define MTD_XIP 32 // eXecute-In-Place possible
+#define MTD_OOB 64 // Out-of-band data (NAND flash)
+#define MTD_ECC 128 // Device capable of automatic ECC
+#define MTD_NO_VIRTBLOCKS 256 // Virtual blocks not allowed
+#define MTD_PROGRAM_REGIONS 512 // Configurable Programming Regions
+
+// Some common devices / combinations of capabilities
+#define MTD_CAP_ROM 0
+#define MTD_CAP_RAM (MTD_CLEAR_BITS|MTD_SET_BITS|MTD_WRITEB_WRITEABLE)
+#define MTD_CAP_NORFLASH (MTD_CLEAR_BITS|MTD_ERASEABLE)
+#define MTD_CAP_NANDFLASH (MTD_CLEAR_BITS|MTD_ERASEABLE|MTD_OOB)
+#define MTD_WRITEABLE (MTD_CLEAR_BITS|MTD_SET_BITS)
+
+
+// Types of automatic ECC/Checksum available
+#define MTD_ECC_NONE 0 // No automatic ECC available
+#define MTD_ECC_RS_DiskOnChip 1 // Automatic ECC on DiskOnChip
+#define MTD_ECC_SW 2 // SW ECC for Toshiba & Samsung devices
+
+/* ECC byte placement */
+#define MTD_NANDECC_OFF 0 // Switch off ECC (Not recommended)
+#define MTD_NANDECC_PLACE 1 // Use the given placement in the structure (YAFFS1 legacy mode)
+#define MTD_NANDECC_AUTOPLACE 2 // Use the default placement scheme
+#define MTD_NANDECC_PLACEONLY 3 // Use the given placement in the structure (Do not store ecc result on read)
+#define MTD_NANDECC_AUTOPL_USR 4 // Use the given autoplacement scheme rather than using the default
+
+/* OTP mode selection */
+#define MTD_OTP_OFF 0
+#define MTD_OTP_FACTORY 1
+#define MTD_OTP_USER 2
+
+struct mtd_info_user {
+ uint8_t type;
+ uint32_t flags;
+ uint32_t size; // Total size of the MTD
+ uint32_t erasesize;
+ uint32_t oobblock; // Size of OOB blocks (e.g. 512)
+ uint32_t oobsize; // Amount of OOB data per block (e.g. 16)
+ uint32_t ecctype;
+ uint32_t eccsize;
+};
+
+struct region_info_user {
+ uint32_t offset; /* At which this region starts,
+ * from the beginning of the MTD */
+ uint32_t erasesize; /* For this region */
+ uint32_t numblocks; /* Number of blocks in this region */
+ uint32_t regionindex;
+};
+
+struct otp_info {
+ uint32_t start;
+ uint32_t length;
+ uint32_t locked;
+};
+
+#define MEMGETINFO _IOR('M', 1, struct mtd_info_user)
+#define MEMERASE _IOW('M', 2, struct erase_info_user)
+#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf)
+#define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf)
+#define MEMLOCK _IOW('M', 5, struct erase_info_user)
+#define MEMUNLOCK _IOW('M', 6, struct erase_info_user)
+#define MEMGETREGIONCOUNT _IOR('M', 7, int)
+#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user)
+#define MEMSETOOBSEL _IOW('M', 9, struct nand_oobinfo)
+#define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo)
+#define MEMGETBADBLOCK _IOW('M', 11, loff_t)
+#define MEMSETBADBLOCK _IOW('M', 12, loff_t)
+#define OTPSELECT _IOR('M', 13, int)
+#define OTPGETREGIONCOUNT _IOW('M', 14, int)
+#define OTPGETREGIONINFO _IOW('M', 15, struct otp_info)
+#define OTPLOCK _IOR('M', 16, struct otp_info)
+
+struct nand_oobinfo {
+ uint32_t useecc;
+ uint32_t eccbytes;
+ uint32_t oobfree[8][2];
+ uint32_t eccpos[32];
+};
+
+#endif /* __MTD_ABI_H__ */
--- /dev/null
+/*
+ * $Id: mtd-user.h,v 1.2 2004/05/05 14:44:57 dwmw2 Exp $
+ *
+ * MTD ABI header for use by user space only.
+ */
+
+#ifndef __MTD_USER_H__
+#define __MTD_USER_H__
+
+#include <stdint.h>
+
+/* This file is blessed for inclusion by userspace */
+#include <mtd/mtd-abi.h>
+
+typedef struct mtd_info_user mtd_info_t;
+typedef struct erase_info_user erase_info_t;
+typedef struct region_info_user region_info_t;
+typedef struct nand_oobinfo nand_oobinfo_t;
+
+#endif /* __MTD_USER_H__ */
--- /dev/null
+/*
+ * $Id: nftl-user.h,v 1.2 2005/11/07 11:14:56 gleixner Exp $
+ *
+ * Parts of NFTL headers shared with userspace
+ *
+ */
+
+#ifndef __MTD_NFTL_USER_H__
+#define __MTD_NFTL_USER_H__
+
+/* Block Control Information */
+
+struct nftl_bci {
+ unsigned char ECCSig[6];
+ uint8_t Status;
+ uint8_t Status1;
+}__attribute__((packed));
+
+/* Unit Control Information */
+
+struct nftl_uci0 {
+ uint16_t VirtUnitNum;
+ uint16_t ReplUnitNum;
+ uint16_t SpareVirtUnitNum;
+ uint16_t SpareReplUnitNum;
+} __attribute__((packed));
+
+struct nftl_uci1 {
+ uint32_t WearInfo;
+ uint16_t EraseMark;
+ uint16_t EraseMark1;
+} __attribute__((packed));
+
+struct nftl_uci2 {
+ uint16_t FoldMark;
+ uint16_t FoldMark1;
+ uint32_t unused;
+} __attribute__((packed));
+
+union nftl_uci {
+ struct nftl_uci0 a;
+ struct nftl_uci1 b;
+ struct nftl_uci2 c;
+};
+
+struct nftl_oob {
+ struct nftl_bci b;
+ union nftl_uci u;
+};
+
+/* NFTL Media Header */
+
+struct NFTLMediaHeader {
+ char DataOrgID[6];
+ uint16_t NumEraseUnits;
+ uint16_t FirstPhysicalEUN;
+ uint32_t FormattedSize;
+ unsigned char UnitSizeFactor;
+} __attribute__((packed));
+
+#define MAX_ERASE_ZONES (8192 - 512)
+
+#define ERASE_MARK 0x3c69
+#define SECTOR_FREE 0xff
+#define SECTOR_USED 0x55
+#define SECTOR_IGNORE 0x11
+#define SECTOR_DELETED 0x00
+
+#define FOLD_MARK_IN_PROGRESS 0x5555
+
+#define ZONE_GOOD 0xff
+#define ZONE_BAD_ORIGINAL 0
+#define ZONE_BAD_MARKED 7
+
+
+#endif /* __MTD_NFTL_USER_H__ */
projects / mtd-utils.git / commitdiff