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