Add version 2 of the iolog format
[fio.git] / parse.h
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1#ifndef FIO_PARSE_H
2#define FIO_PARSE_H
3
4/*
5 * Option types
6 */
7enum fio_opt_type {
8 FIO_OPT_STR = 0,
9 FIO_OPT_STR_VAL,
75e6f36f 10 FIO_OPT_STR_VAL_INT,
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11 FIO_OPT_STR_VAL_TIME,
12 FIO_OPT_STR_STORE,
13 FIO_OPT_RANGE,
14 FIO_OPT_INT,
13335ddb 15 FIO_OPT_BOOL,
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16 FIO_OPT_STR_SET,
17};
18
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19/*
20 * Match a possible value string with the integer option.
21 */
22struct value_pair {
23 const char *ival; /* string option */
24 unsigned int oval; /* output value */
7837213b 25 const char *help; /* help text for sub option */
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26};
27
28#define PARSE_MAX_VP 16
29
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30/*
31 * Option define
32 */
33struct fio_option {
ee738499 34 const char *name; /* option name */
03b74b3e 35 const char *alias; /* possible old allowed name */
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36 enum fio_opt_type type; /* option type */
37 unsigned int off1; /* potential parameters */
e1f36503 38 unsigned int off2;
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39 unsigned int off3;
40 unsigned int off4;
ee738499 41 unsigned int maxval; /* max and min value */
63f29372 42 int minval;
76a43db4 43 int neg; /* negate value stored */
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44 void *cb; /* callback */
45 const char *help; /* help text for option */
46 const char *def; /* default setting */
b1ec1da6 47 const struct value_pair posval[PARSE_MAX_VP];/* possible values */
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48};
49
50typedef int (str_cb_fn)(void *, char *);
51
52extern int parse_option(const char *, struct fio_option *, void *);
b4692828 53extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *);
fd28ca49 54extern int show_cmd_help(struct fio_option *, const char *);
ee738499 55extern void fill_default_options(void *, struct fio_option *);
13335ddb 56extern void options_init(struct fio_option *);
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57
58extern void strip_blank_front(char **);
59extern void strip_blank_end(char *);
60
61/*
62 * Handlers for the options
63 */
b4692828 64typedef int (fio_opt_str_fn)(void *, const char *);
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65typedef int (fio_opt_str_val_fn)(void *, long long *);
66typedef int (fio_opt_int_fn)(void *, int *);
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67typedef int (fio_opt_str_set_fn)(void *);
68
69#define td_var(start, offset) ((void *) start + (offset))
70
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71#ifndef min
72#define min(a, b) ((a) < (b) ? (a) : (b))
73#endif
74#ifndef max
75#define max(a, b) ((a) > (b) ? (a) : (b))
76#endif
77
e1f36503 78#endif