diff options
Diffstat (limited to 'libs/blkid/src/probe.h')
| -rw-r--r-- | libs/blkid/src/probe.h | 711 |
1 files changed, 0 insertions, 711 deletions
diff --git a/libs/blkid/src/probe.h b/libs/blkid/src/probe.h deleted file mode 100644 index bee5a518e..000000000 --- a/libs/blkid/src/probe.h +++ /dev/null @@ -1,711 +0,0 @@ -/* - * probe.h - constants and on-disk structures for extracting device data - * - * Copyright (C) 1999 by Andries Brouwer - * Copyright (C) 1999, 2000, 2003 by Theodore Ts'o - * Copyright (C) 2001 by Andreas Dilger - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#ifndef _BLKID_PROBE_H -#define _BLKID_PROBE_H - -#include <blkid/blkid_types.h> - -struct blkid_magic; - -#define SB_BUFFER_SIZE 0x11000 - -struct blkid_probe { - int fd; - blkid_cache cache; - blkid_dev dev; - unsigned char *sbbuf; - size_t sb_valid; - unsigned char *buf; - size_t buf_max; -}; - -typedef int (*blkid_probe_t)(struct blkid_probe *probe, - struct blkid_magic *id, unsigned char *buf); - -struct blkid_magic { - const char *bim_type; /* type name for this magic */ - long bim_kboff; /* kilobyte offset of superblock */ - unsigned bim_sboff; /* byte offset within superblock */ - unsigned bim_len; /* length of magic */ - const char *bim_magic; /* magic string */ - blkid_probe_t bim_probe; /* probe function */ -}; - -/* - * Structures for each of the content types we want to extract information - * from. We do not necessarily need the magic field here, because we have - * already identified the content type before we get this far. It may still - * be useful if there are probe functions which handle multiple content types. - */ -struct ext2_super_block { - __u32 s_inodes_count; - __u32 s_blocks_count; - __u32 s_r_blocks_count; - __u32 s_free_blocks_count; - __u32 s_free_inodes_count; - __u32 s_first_data_block; - __u32 s_log_block_size; - __u32 s_dummy3[7]; - unsigned char s_magic[2]; - __u16 s_state; - __u32 s_dummy5[8]; - __u32 s_feature_compat; - __u32 s_feature_incompat; - __u32 s_feature_ro_compat; - unsigned char s_uuid[16]; - char s_volume_name[16]; - char s_last_mounted[64]; - __u32 s_algorithm_usage_bitmap; - __u8 s_prealloc_blocks; - __u8 s_prealloc_dir_blocks; - __u16 s_reserved_gdt_blocks; - __u8 s_journal_uuid[16]; - __u32 s_journal_inum; - __u32 s_journal_dev; - __u32 s_last_orphan; - __u32 s_hash_seed[4]; - __u8 s_def_hash_version; - __u8 s_jnl_backup_type; - __u16 s_reserved_word_pad; - __u32 s_default_mount_opts; - __u32 s_first_meta_bg; - __u32 s_mkfs_time; - __u32 s_jnl_blocks[17]; - __u32 s_blocks_count_hi; - __u32 s_r_blocks_count_hi; - __u32 s_free_blocks_hi; - __u16 s_min_extra_isize; - __u16 s_want_extra_isize; - __u32 s_flags; - __u16 s_raid_stride; - __u16 s_mmp_interval; - __u64 s_mmp_block; - __u32 s_raid_stripe_width; - __u32 s_reserved[163]; -}; - -/* for s_flags */ -#define EXT2_FLAGS_TEST_FILESYS 0x0004 - -/* for s_feature_compat */ -#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004 - -/* for s_feature_ro_compat */ -#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 -#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 -#define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 -#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE 0x0008 -#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010 -#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020 -#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040 - -/* for s_feature_incompat */ -#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002 -#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 -#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 -#define EXT2_FEATURE_INCOMPAT_META_BG 0x0010 -#define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */ -#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 -#define EXT4_FEATURE_INCOMPAT_MMP 0x0100 -#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200 - -#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ - EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ - EXT2_FEATURE_RO_COMPAT_BTREE_DIR) -#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \ - EXT2_FEATURE_INCOMPAT_META_BG) -#define EXT2_FEATURE_INCOMPAT_UNSUPPORTED ~EXT2_FEATURE_INCOMPAT_SUPP -#define EXT2_FEATURE_RO_COMPAT_UNSUPPORTED ~EXT2_FEATURE_RO_COMPAT_SUPP - -#define EXT3_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ - EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ - EXT2_FEATURE_RO_COMPAT_BTREE_DIR) -#define EXT3_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \ - EXT3_FEATURE_INCOMPAT_RECOVER| \ - EXT2_FEATURE_INCOMPAT_META_BG) -#define EXT3_FEATURE_INCOMPAT_UNSUPPORTED ~EXT3_FEATURE_INCOMPAT_SUPP -#define EXT3_FEATURE_RO_COMPAT_UNSUPPORTED ~EXT3_FEATURE_RO_COMPAT_SUPP - - -struct xfs_super_block { - unsigned char xs_magic[4]; - __u32 xs_blocksize; - __u64 xs_dblocks; - __u64 xs_rblocks; - __u32 xs_dummy1[2]; - unsigned char xs_uuid[16]; - __u32 xs_dummy2[15]; - char xs_fname[12]; - __u32 xs_dummy3[2]; - __u64 xs_icount; - __u64 xs_ifree; - __u64 xs_fdblocks; -}; - -struct reiserfs_super_block { - __u32 rs_blocks_count; - __u32 rs_free_blocks; - __u32 rs_root_block; - __u32 rs_journal_block; - __u32 rs_journal_dev; - __u32 rs_orig_journal_size; - __u32 rs_dummy2[5]; - __u16 rs_blocksize; - __u16 rs_dummy3[3]; - unsigned char rs_magic[12]; - __u32 rs_dummy4[5]; - unsigned char rs_uuid[16]; - char rs_label[16]; -}; - -struct reiser4_super_block { - unsigned char rs4_magic[16]; - __u16 rs4_dummy[2]; - unsigned char rs4_uuid[16]; - unsigned char rs4_label[16]; - __u64 rs4_dummy2; -}; - -struct jfs_super_block { - unsigned char js_magic[4]; - __u32 js_version; - __u64 js_size; - __u32 js_bsize; /* 4: aggregate block size in bytes */ - __u16 js_l2bsize; /* 2: log2 of s_bsize */ - __u16 js_l2bfactor; /* 2: log2(s_bsize/hardware block size) */ - __u32 js_pbsize; /* 4: hardware/LVM block size in bytes */ - __u16 js_l2pbsize; /* 2: log2 of s_pbsize */ - __u16 js_pad; /* 2: padding necessary for alignment */ - __u32 js_dummy2[26]; - unsigned char js_uuid[16]; - unsigned char js_label[16]; - unsigned char js_loguuid[16]; -}; - -struct romfs_super_block { - unsigned char ros_magic[8]; - __u32 ros_dummy1[2]; - unsigned char ros_volume[16]; -}; - -struct cramfs_super_block { - __u8 magic[4]; - __u32 size; - __u32 flags; - __u32 future; - __u8 signature[16]; - struct cramfs_info { - __u32 crc; - __u32 edition; - __u32 blocks; - __u32 files; - } info; - __u8 name[16]; -}; - -struct swap_id_block { -/* unsigned char sws_boot[1024]; */ - __u32 sws_version; - __u32 sws_lastpage; - __u32 sws_nrbad; - unsigned char sws_uuid[16]; - char sws_volume[16]; - unsigned char sws_pad[117]; - __u32 sws_badpg; -}; - -/* Yucky misaligned values */ -struct vfat_super_block { -/* 00*/ unsigned char vs_ignored[3]; -/* 03*/ unsigned char vs_sysid[8]; -/* 0b*/ unsigned char vs_sector_size[2]; -/* 0d*/ __u8 vs_cluster_size; -/* 0e*/ __u16 vs_reserved; -/* 10*/ __u8 vs_fats; -/* 11*/ unsigned char vs_dir_entries[2]; -/* 13*/ unsigned char vs_sectors[2]; -/* 15*/ unsigned char vs_media; -/* 16*/ __u16 vs_fat_length; -/* 18*/ __u16 vs_secs_track; -/* 1a*/ __u16 vs_heads; -/* 1c*/ __u32 vs_hidden; -/* 20*/ __u32 vs_total_sect; -/* 24*/ __u32 vs_fat32_length; -/* 28*/ __u16 vs_flags; -/* 2a*/ __u8 vs_version[2]; -/* 2c*/ __u32 vs_root_cluster; -/* 30*/ __u16 vs_insfo_sector; -/* 32*/ __u16 vs_backup_boot; -/* 34*/ __u16 vs_reserved2[6]; -/* 40*/ unsigned char vs_unknown[3]; -/* 43*/ unsigned char vs_serno[4]; -/* 47*/ unsigned char vs_label[11]; -/* 52*/ unsigned char vs_magic[8]; -/* 5a*/ unsigned char vs_dummy2[164]; -/*1fe*/ unsigned char vs_pmagic[2]; -}; - -/* Yucky misaligned values */ -struct msdos_super_block { -/* 00*/ unsigned char ms_ignored[3]; -/* 03*/ unsigned char ms_sysid[8]; -/* 0b*/ unsigned char ms_sector_size[2]; -/* 0d*/ __u8 ms_cluster_size; -/* 0e*/ __u16 ms_reserved; -/* 10*/ __u8 ms_fats; -/* 11*/ unsigned char ms_dir_entries[2]; -/* 13*/ unsigned char ms_sectors[2]; -/* 15*/ unsigned char ms_media; -/* 16*/ __u16 ms_fat_length; -/* 18*/ __u16 ms_secs_track; -/* 1a*/ __u16 ms_heads; -/* 1c*/ __u32 ms_hidden; -/* 20*/ __u32 ms_total_sect; -/* 24*/ unsigned char ms_unknown[3]; -/* 27*/ unsigned char ms_serno[4]; -/* 2b*/ unsigned char ms_label[11]; -/* 36*/ unsigned char ms_magic[8]; -/* 3d*/ unsigned char ms_dummy2[192]; -/*1fe*/ unsigned char ms_pmagic[2]; -}; - -struct vfat_dir_entry { - __u8 name[11]; - __u8 attr; - __u16 time_creat; - __u16 date_creat; - __u16 time_acc; - __u16 date_acc; - __u16 cluster_high; - __u16 time_write; - __u16 date_write; - __u16 cluster_low; - __u32 size; -}; - -/* maximum number of clusters */ -#define FAT12_MAX 0xFF4 -#define FAT16_MAX 0xFFF4 -#define FAT32_MAX 0x0FFFFFF6 - -struct minix_super_block { - __u16 ms_ninodes; - __u16 ms_nzones; - __u16 ms_imap_blocks; - __u16 ms_zmap_blocks; - __u16 ms_firstdatazone; - __u16 ms_log_zone_size; - __u32 ms_max_size; - unsigned char ms_magic[2]; - __u16 ms_state; - __u32 ms_zones; -}; - -struct mdp_superblock_s { - __u32 md_magic; - __u32 major_version; - __u32 minor_version; - __u32 patch_version; - __u32 gvalid_words; - __u32 set_uuid0; - __u32 ctime; - __u32 level; - __u32 size; - __u32 nr_disks; - __u32 raid_disks; - __u32 md_minor; - __u32 not_persistent; - __u32 set_uuid1; - __u32 set_uuid2; - __u32 set_uuid3; -}; - -struct hfs_super_block { - char h_magic[2]; - char h_dummy[18]; - __u32 h_blksize; -}; - -struct ocfs_volume_header { - unsigned char minor_version[4]; - unsigned char major_version[4]; - unsigned char signature[128]; - char mount[128]; - unsigned char mount_len[2]; -}; - -struct ocfs_volume_label { - unsigned char disk_lock[48]; - char label[64]; - unsigned char label_len[2]; - unsigned char vol_id[16]; - unsigned char vol_id_len[2]; -}; - -#define ocfsmajor(o) ((__u32)o.major_version[0] \ - + (((__u32) o.major_version[1]) << 8) \ - + (((__u32) o.major_version[2]) << 16) \ - + (((__u32) o.major_version[3]) << 24)) -#define ocfslabellen(o) ((__u32)o.label_len[0] + (((__u32) o.label_len[1]) << 8)) -#define ocfsmountlen(o) ((__u32)o.mount_len[0] + (((__u32) o.mount_len[1])<<8)) - -#define OCFS_MAGIC "OracleCFS" - -struct ocfs2_super_block { - unsigned char signature[8]; - unsigned char s_dummy1[184]; - unsigned char s_dummy2[80]; - char s_label[64]; - unsigned char s_uuid[16]; -}; - -#define OCFS2_MIN_BLOCKSIZE 512 -#define OCFS2_MAX_BLOCKSIZE 4096 - -#define OCFS2_SUPER_BLOCK_BLKNO 2 - -#define OCFS2_SUPER_BLOCK_SIGNATURE "OCFSV2" - -struct oracle_asm_disk_label { - char dummy[32]; - char dl_tag[8]; - char dl_id[24]; -}; - -#define ORACLE_ASM_DISK_LABEL_MARKED "ORCLDISK" -#define ORACLE_ASM_DISK_LABEL_OFFSET 32 - -struct iso_volume_descriptor { - unsigned char vd_type; - unsigned char vd_id[5]; - unsigned char vd_version; - unsigned char flags; - unsigned char system_id[32]; - unsigned char volume_id[32]; - unsigned char unused[8]; - unsigned char space_size[8]; - unsigned char escape_sequences[8]; -}; - -/* Common gfs/gfs2 constants: */ -#define GFS_MAGIC 0x01161970 -#define GFS_DEFAULT_BSIZE 4096 -#define GFS_SUPERBLOCK_OFFSET (0x10 * GFS_DEFAULT_BSIZE) -#define GFS_METATYPE_SB 1 -#define GFS_FORMAT_SB 100 -#define GFS_LOCKNAME_LEN 64 - -/* gfs1 constants: */ -#define GFS_FORMAT_FS 1309 -#define GFS_FORMAT_MULTI 1401 -/* gfs2 constants: */ -#define GFS2_FORMAT_FS 1801 -#define GFS2_FORMAT_MULTI 1900 - -struct gfs2_meta_header { - __u32 mh_magic; - __u32 mh_type; - __u64 __pad0; /* Was generation number in gfs1 */ - __u32 mh_format; - __u32 __pad1; /* Was incarnation number in gfs1 */ -}; - -struct gfs2_inum { - __u64 no_formal_ino; - __u64 no_addr; -}; - -struct gfs2_sb { - struct gfs2_meta_header sb_header; - - __u32 sb_fs_format; - __u32 sb_multihost_format; - __u32 __pad0; /* Was superblock flags in gfs1 */ - - __u32 sb_bsize; - __u32 sb_bsize_shift; - __u32 __pad1; /* Was journal segment size in gfs1 */ - - struct gfs2_inum sb_master_dir; /* Was jindex dinode in gfs1 */ - struct gfs2_inum __pad2; /* Was rindex dinode in gfs1 */ - struct gfs2_inum sb_root_dir; - - char sb_lockproto[GFS_LOCKNAME_LEN]; - char sb_locktable[GFS_LOCKNAME_LEN]; - /* In gfs1, quota and license dinodes followed */ -}; - -struct ntfs_super_block { - __u8 jump[3]; - __u8 oem_id[8]; - __u8 bios_parameter_block[25]; - __u16 unused[2]; - __u64 number_of_sectors; - __u64 mft_cluster_location; - __u64 mft_mirror_cluster_location; - __s8 cluster_per_mft_record; - __u8 reserved1[3]; - __s8 cluster_per_index_record; - __u8 reserved2[3]; - __u64 volume_serial; - __u16 checksum; -}; - -struct master_file_table_record { - __u32 magic; - __u16 usa_ofs; - __u16 usa_count; - __u64 lsn; - __u16 sequence_number; - __u16 link_count; - __u16 attrs_offset; - __u16 flags; - __u32 bytes_in_use; - __u32 bytes_allocated; -} __attribute__((__packed__)); - -struct file_attribute { - __u32 type; - __u32 len; - __u8 non_resident; - __u8 name_len; - __u16 name_offset; - __u16 flags; - __u16 instance; - __u32 value_len; - __u16 value_offset; -} __attribute__((__packed__)); - -#define MFT_RECORD_VOLUME 3 -#define MFT_RECORD_ATTR_VOLUME_NAME 0x60 -#define MFT_RECORD_ATTR_VOLUME_INFO 0x70 -#define MFT_RECORD_ATTR_OBJECT_ID 0x40 -#define MFT_RECORD_ATTR_END 0xffffffffu - -/* HFS / HFS+ */ -struct hfs_finder_info { - __u32 boot_folder; - __u32 start_app; - __u32 open_folder; - __u32 os9_folder; - __u32 reserved; - __u32 osx_folder; - __u8 id[8]; -} __attribute__((packed)); - -struct hfs_mdb { - __u8 signature[2]; - __u32 cr_date; - __u32 ls_Mod; - __u16 atrb; - __u16 nm_fls; - __u16 vbm_st; - __u16 alloc_ptr; - __u16 nm_al_blks; - __u32 al_blk_size; - __u32 clp_size; - __u16 al_bl_st; - __u32 nxt_cnid; - __u16 free_bks; - __u8 label_len; - __u8 label[27]; - __u32 vol_bkup; - __u16 vol_seq_num; - __u32 wr_cnt; - __u32 xt_clump_size; - __u32 ct_clump_size; - __u16 num_root_dirs; - __u32 file_count; - __u32 dir_count; - struct hfs_finder_info finder_info; - __u8 embed_sig[2]; - __u16 embed_startblock; - __u16 embed_blockcount; -} __attribute__((packed)); - - -#define HFS_NODE_LEAF 0xff -#define HFSPLUS_POR_CNID 1 - -struct hfsplus_bnode_descriptor { - __u32 next; - __u32 prev; - __u8 type; - __u8 height; - __u16 num_recs; - __u16 reserved; -} __attribute__((packed)); - -struct hfsplus_bheader_record { - __u16 depth; - __u32 root; - __u32 leaf_count; - __u32 leaf_head; - __u32 leaf_tail; - __u16 node_size; -} __attribute__((packed)); - -struct hfsplus_catalog_key { - __u16 key_len; - __u32 parent_id; - __u16 unicode_len; - __u8 unicode[255 * 2]; -} __attribute__((packed)); - -struct hfsplus_extent { - __u32 start_block; - __u32 block_count; -} __attribute__((packed)); - -#define HFSPLUS_EXTENT_COUNT 8 -struct hfsplus_fork { - __u64 total_size; - __u32 clump_size; - __u32 total_blocks; - struct hfsplus_extent extents[HFSPLUS_EXTENT_COUNT]; -} __attribute__((packed)); - -struct hfsplus_vol_header { - __u8 signature[2]; - __u16 version; - __u32 attributes; - __u32 last_mount_vers; - __u32 reserved; - __u32 create_date; - __u32 modify_date; - __u32 backup_date; - __u32 checked_date; - __u32 file_count; - __u32 folder_count; - __u32 blocksize; - __u32 total_blocks; - __u32 free_blocks; - __u32 next_alloc; - __u32 rsrc_clump_sz; - __u32 data_clump_sz; - __u32 next_cnid; - __u32 write_count; - __u64 encodings_bmp; - struct hfs_finder_info finder_info; - struct hfsplus_fork alloc_file; - struct hfsplus_fork ext_file; - struct hfsplus_fork cat_file; - struct hfsplus_fork attr_file; - struct hfsplus_fork start_file; -} __attribute__((packed)); - - -/* this is lvm's label_header & pv_header combined. */ - -#define LVM2_ID_LEN 32 - -struct lvm2_pv_label_header { - /* label_header */ - __u8 id[8]; /* LABELONE */ - __u64 sector_xl; /* Sector number of this label */ - __u32 crc_xl; /* From next field to end of sector */ - __u32 offset_xl; /* Offset from start of struct to contents */ - __u8 type[8]; /* LVM2 001 */ - /* pv_header */ - __u8 pv_uuid[LVM2_ID_LEN]; -} __attribute__ ((packed)); - -/* - * Byte swap functions - */ -#ifdef __GNUC__ -#define _INLINE_ static __inline__ -#else /* For Watcom C */ -#define _INLINE_ static inline -#endif - -static __u16 blkid_swab16(__u16 val); -static __u32 blkid_swab32(__u32 val); -static __u64 blkid_swab64(__u64 val); - -#if ((defined __GNUC__) && \ - (defined(__i386__) || defined(__i486__) || defined(__i586__))) - -#define _BLKID_HAVE_ASM_BITOPS_ - -_INLINE_ __u32 blkid_swab32(__u32 val) -{ -#ifdef EXT2FS_REQUIRE_486 - __asm__("bswap %0" : "=r" (val) : "0" (val)); -#else - __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */ - "rorl $16,%0\n\t" /* swap words */ - "xchgb %b0,%h0" /* swap higher bytes */ - :"=q" (val) - : "0" (val)); -#endif - return val; -} - -_INLINE_ __u16 blkid_swab16(__u16 val) -{ - __asm__("xchgb %b0,%h0" /* swap bytes */ \ - : "=q" (val) \ - : "0" (val)); \ - return val; -} - -_INLINE_ __u64 blkid_swab64(__u64 val) -{ - return (blkid_swab32(val >> 32) | - (((__u64) blkid_swab32(val & 0xFFFFFFFFUL)) << 32)); -} -#endif - -#if !defined(_BLKID_HAVE_ASM_BITOPS_) - -_INLINE_ __u16 blkid_swab16(__u16 val) -{ - return (val >> 8) | (val << 8); -} - -_INLINE_ __u32 blkid_swab32(__u32 val) -{ - return ((val>>24) | ((val>>8)&0xFF00) | - ((val<<8)&0xFF0000) | (val<<24)); -} - -_INLINE_ __u64 blkid_swab64(__u64 val) -{ - return (blkid_swab32(val >> 32) | - (((__u64) blkid_swab32(val & 0xFFFFFFFFUL)) << 32)); -} -#endif - - - -#ifdef WORDS_BIGENDIAN -#define blkid_le16(x) blkid_swab16(x) -#define blkid_le32(x) blkid_swab32(x) -#define blkid_le64(x) blkid_swab64(x) -#define blkid_be16(x) (x) -#define blkid_be32(x) (x) -#define blkid_be64(x) (x) -#else -#define blkid_le16(x) (x) -#define blkid_le32(x) (x) -#define blkid_le64(x) (x) -#define blkid_be16(x) blkid_swab16(x) -#define blkid_be32(x) blkid_swab32(x) -#define blkid_be64(x) blkid_swab64(x) -#endif - -#undef _INLINE_ - -#endif /* _BLKID_PROBE_H */ |