repair/globals.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6
   7 #ifndef _XFS_REPAIR_GLOBAL_H
   8 #define _XFS_REPAIR_GLOBAL_H
   9
  10 #ifndef EXTERN
  11 #define EXTERN extern
  12 #endif
  13
  14 /* useful macros */
  15
  16 #define rounddown(x, y) (((x)/(y))*(y))
  17
  18 /* error flags */
  19
  20 #define XR_OK                   0       /* good */
  21 #define XR_BAD_MAGIC            1       /* bad magic number */
  22 #define XR_BAD_BLOCKSIZE        2       /* bad block size */
  23 #define XR_BAD_BLOCKLOG         3       /* bad sb_blocklog field */
  24 #define XR_BAD_VERSION          4       /* bad version number */
  25 #define XR_BAD_INPROGRESS       5       /* in progress set */
  26 #define XR_BAD_FS_SIZE_DATA     6       /* ag sizes, number, fs size mismatch */
  27 #define XR_BAD_INO_SIZE_DATA    7       /* bad inode size or perblock fields */
  28 #define XR_BAD_SECT_SIZE_DATA   8       /* bad sector size info */
  29 #define XR_AGF_GEO_MISMATCH     9       /* agf info conflicts with sb */
  30 #define XR_AGI_GEO_MISMATCH     10      /* agf info conflicts with sb */
  31 #define XR_SB_GEO_MISMATCH      11      /* sb geo conflicts with fs sb geo */
  32 #define XR_EOF                  12      /* seeked beyond EOF */
  33 #define XR_BAD_RT_GEO_DATA      13      /* realtime geometry inconsistent */
  34 #define XR_BAD_INO_MAX_PCT      14      /* max % of inodes > 100% */
  35 #define XR_BAD_INO_ALIGN        15      /* bad inode alignment value */
  36 #define XR_INSUFF_SEC_SB        16      /* not enough matching secondary sbs */
  37 #define XR_BAD_SB_UNIT          17      /* bad stripe unit */
  38 #define XR_BAD_SB_WIDTH         18      /* bad stripe width */
  39 #define XR_BAD_SVN              19      /* bad shared version number */
  40 #define XR_BAD_CRC              20      /* Bad CRC */
  41 #define XR_BAD_DIR_SIZE_DATA    21      /* Bad directory geometry */
  42 #define XR_BAD_LOG_GEOMETRY     22      /* Bad log geometry */
  43 #define XR_BAD_ERR_CODE         23      /* Bad error code */
  44
  45 /* XFS filesystem (il)legal values */
  46
  47 #define XR_LOG2BSIZE_MIN        9       /* min/max fs blocksize (log2) */
  48 #define XR_LOG2BSIZE_MAX        16      /* 2^XR_* == blocksize */
  49
  50 #define NUM_AGH_SECTS           4       /* # of components in an ag header */
  51
  52 /* global variables for xfs_repair */
  53
  54 /* arguments and argument flag variables */
  55
  56 EXTERN char     *fs_name;               /* name of filesystem */
  57 EXTERN int      verbose;                /* verbose flag, mostly for debugging */
  58
  59
  60 /* for reading stuff in manually (bypassing libsim) */
  61
  62 EXTERN char     *iobuf;                 /* large buffer */
  63 EXTERN int      iobuf_size;
  64 EXTERN char     *smallbuf;              /* small (1-4 page) buffer */
  65 EXTERN int      smallbuf_size;
  66 EXTERN int      sbbuf_size;
  67
  68 /* direct I/O info */
  69
  70 EXTERN int      minio_align;            /* min I/O size and alignment */
  71 EXTERN int      mem_align;              /* memory alignment */
  72 EXTERN int      max_iosize;             /* max I/O size */
  73
  74 /* file descriptors */
  75
  76 EXTERN int      fs_fd;                  /* filesystem fd */
  77
  78 /* command-line flags */
  79
  80 EXTERN int      verbose;
  81 EXTERN int      no_modify;
  82 EXTERN int      dangerously;            /* live dangerously ... fix ro mount */
  83 EXTERN int      isa_file;
  84 EXTERN int      zap_log;
  85 EXTERN int      dumpcore;               /* abort, not exit on fatal errs */
  86 EXTERN int      force_geo;              /* can set geo on low confidence info */
  87 EXTERN int      assume_xfs;             /* assume we have an xfs fs */
  88 EXTERN char     *log_name;              /* Name of log device */
  89 EXTERN int      log_spec;               /* Log dev specified as option */
  90 EXTERN char     *rt_name;               /* Name of realtime device */
  91 EXTERN int      rt_spec;                /* Realtime dev specified as option */
  92 EXTERN int      convert_lazy_count;     /* Convert lazy-count mode on/off */
  93 EXTERN int      lazy_count;             /* What to set if to if converting */
  94
  95 /* misc status variables */
  96
  97 EXTERN int              primary_sb_modified;
  98 EXTERN int              bad_ino_btree;
  99 EXTERN int              copied_sunit;
 100 EXTERN int              fs_is_dirty;
 101
 102 /* for hunting down the root inode */
 103
 104 EXTERN int              need_root_inode;
 105 EXTERN int              need_root_dotdot;
 106
 107 EXTERN int              need_rbmino;
 108 EXTERN int              need_rsumino;
 109
 110 EXTERN int              lost_quotas;
 111 EXTERN int              have_uquotino;
 112 EXTERN int              have_gquotino;
 113 EXTERN int              have_pquotino;
 114 EXTERN int              lost_uquotino;
 115 EXTERN int              lost_gquotino;
 116 EXTERN int              lost_pquotino;
 117
 118 EXTERN xfs_agino_t      first_prealloc_ino;
 119 EXTERN xfs_agino_t      last_prealloc_ino;
 120 EXTERN xfs_agblock_t    bnobt_root;
 121 EXTERN xfs_agblock_t    bcntbt_root;
 122 EXTERN xfs_agblock_t    inobt_root;
 123
 124 /* configuration vars -- fs geometry dependent */
 125
 126 EXTERN int              inodes_per_block;
 127 EXTERN int              inodes_per_cluster;
 128 EXTERN unsigned int     glob_agcount;
 129 EXTERN int              chunks_pblock;  /* # of 64-ino chunks per allocation */
 130 EXTERN int              max_symlink_blocks;
 131 EXTERN int64_t          fs_max_file_offset;
 132
 133 /* realtime info */
 134
 135 EXTERN xfs_rtword_t     *btmcompute;
 136 EXTERN xfs_suminfo_t    *sumcompute;
 137
 138 /* inode tree records have full or partial backptr fields ? */
 139
 140 EXTERN int              full_ino_ex_data;/*
 141                                           * if 1, use ino_ex_data_t component
 142                                           * of ino_un union, if 0, use
 143                                           * parent_list_t component.  see
 144                                           * incore.h for more details
 145                                           */
 146
 147 #define ORPHANAGE       "lost+found"
 148
 149 /* superblock counters */
 150
 151 EXTERN uint64_t sb_icount;      /* allocated (made) inodes */
 152 EXTERN uint64_t sb_ifree;       /* free inodes */
 153 EXTERN uint64_t sb_fdblocks;    /* free data blocks */
 154 EXTERN uint64_t sb_frextents;   /* free realtime extents */
 155
 156 /* superblock geometry info */
 157
 158 EXTERN xfs_extlen_t     sb_inoalignmt;
 159 EXTERN uint32_t sb_unit;
 160 EXTERN uint32_t sb_width;
 161
 162 struct aglock {
 163         pthread_mutex_t lock __attribute__((__aligned__(64)));
 164 };
 165 EXTERN struct aglock    *ag_locks;
 166
 167 EXTERN int              report_interval;
 168 EXTERN uint64_t         *prog_rpt_done;
 169
 170 EXTERN int              ag_stride;
 171 EXTERN int              thread_count;
 172
 173 #endif /* _XFS_REPAIR_GLOBAL_H */