db/type.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6
   7 struct field;
   8
   9 #define szof(x,y)       sizeof(((x *)0)->y)
  10 #define szcount(x,y)    (szof(x,y) / szof(x,y[0]))
  11
  12 typedef enum typnm
  13 {
  14         TYP_AGF, TYP_AGFL, TYP_AGI, TYP_ATTR, TYP_BMAPBTA,
  15         TYP_BMAPBTD, TYP_BNOBT, TYP_CNTBT, TYP_RMAPBT, TYP_REFCBT, TYP_DATA,
  16         TYP_DIR2, TYP_DQBLK, TYP_INOBT, TYP_INODATA, TYP_INODE,
  17         TYP_LOG, TYP_RTBITMAP, TYP_RTSUMMARY, TYP_SB, TYP_SYMLINK,
  18         TYP_TEXT, TYP_FINOBT, TYP_NONE
  19 } typnm_t;
  20
  21 #define DB_FUZZ  2
  22 #define DB_WRITE 1
  23 #define DB_READ  0
  24
  25 typedef void (*opfunc_t)(const struct field *fld, int argc, char **argv);
  26 typedef void (*pfunc_t)(int action, const struct field *fld, int argc, char **argv);
  27
  28 typedef struct typ
  29 {
  30         typnm_t                 typnm;
  31         char                    *name;
  32         pfunc_t                 pfunc;
  33         const struct field      *fields;
  34         const struct xfs_buf_ops *bops;
  35         unsigned long           crc_off;
  36 #define TYP_F_NO_CRC_OFF        (-1UL)
  37 #define TYP_F_CRC_FUNC          (-2UL)
  38         void                    (*set_crc)(struct xfs_buf *);
  39 } typ_t;
  40 extern const typ_t      *typtab, *cur_typ;
  41
  42 extern void     type_init(void);
  43 extern void     type_set_tab_crc(void);
  44 extern void     type_set_tab_spcrc(void);
  45 extern void     handle_block(int action, const struct field *fields, int argc,
  46                              char **argv);
  47 extern void     handle_string(int action, const struct field *fields, int argc,
  48                               char **argv);
  49 extern void     handle_struct(int action, const struct field *fields, int argc,
  50                               char **argv);
  51 extern void     handle_text(int action, const struct field *fields, int argc,
  52                             char **argv);